diff options
99 files changed, 9331 insertions, 36391 deletions
diff --git a/trunk/ChangeLog.cross b/trunk/ChangeLog.cross new file mode 100644 index 0000000..827b764 --- /dev/null +++ b/trunk/ChangeLog.cross @@ -0,0 +1,563 @@ +2011-12-08 Mark Hatle <mark.hatle@windriver.com> + * rtld/rtld.c: Fix an issue where missing objects would trigger + an assert in dl-version.c + * rtld/rtld.h: Add _dl_new_object prototype + * rtld/rtld.c: Add support for $ORIGIN, $PLATFORM and $LIB. + Note: $PLATFORM = "" + +2011-11-01 Mark Hatle <mark.hatle@windriver.com> + * Add experimental support for the new x86_64 x32 ABI + * See https://sites.google.com/site/x32abi/home for the ABI + document. All work based on version 0.6 -- August 13, 2011 + +2011-10-26 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r196 + * Resolve merge conflicts with src/main.c + * Disable automatic detection of AMD Bulldozer for layout page size + Unclear why the default size is 32768 on AMD Bulldozer, assume + this is a performance issue. I suggest if you are targeting + that platform, you manually pass: + --layout-page-size=32768 + +2011-09-13 Mark Hatle <mark.hatle@windriver.com> + * Fix printf problem causing prelink-rtld issues on x86 (32-bit) + and arm + +2011-08-30 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r195 + * Update testsuite to work with explicit intermedite objects + +2011-08-26 Mark Hatle <mark.hatle@windriver.com> + * Rename ld-libs.c to rtld.c + * Sync to eglibc 2.13 ld.so code + * mips specific items from ports + * sync elf_machine_type_class macros for supports archs + * Add a special check for invalid GNU_HASH entries + +2011-08-18 Mark Hatle <mark.hatle@windriver.com> + * Resync src/elf.h to glibc 2.13 + * Move prelink-rtld specific components to src/rtld + +2011-06-24 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r190 + +2011-05-16 Akos PASZTORY <akos.pasztory@gmail.com> + + * wrap-file.c (wrap_setxattr, wrap_getxattr, wrap_listxattr): New. + (wrap_glob): Likewise new. + * dso.c (copy_xattrs): use wrap_*xattr + * gather.c (read_config, gather_config, blacklist_from_config): + use wrap_glob + +2011-05-16 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r189 (no conflicts) + +2011-04-04 Mark Hatle <mark.hatle@windriver.com> + Integrate patch from: + + 2011-03-24 Joseph Myers <joseph@codesourcery.com> + + * src/dso.c (allow_bad_textrel, dso_has_bad_textrel): New. + (check_dso): Check for text relocations. + * src/gather.c (gather_exec): Check for text relocations. + * src/main.c (options): Add --allow-textrel. + (parse_opt): Handle --allow-textrel. + * src/prelink.h (dso_has_bad_textrel, allow_bad_textrel): Declare. + +2011-04-01 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r188 (no conflicts) + +2011-01-12 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r187 + * Resolve merge conflict + +2010-07-23 Mark Hatle <mark.hatle@windriver.com> + * src/ld-libs.c: Handle MIPS64 TLS PLT relocs + +2010-07-22 Mark Hatle <mark.hatle@windriver.com> + * src/dso.c: Add DSO_READONLY conditionals + * src/dso-readonly.c: remove + * src/Makefile.am: switch RTLD dep to dso.c, pass DSO_READONLY + * configure.in: Add AM_PROG_CC_C_O + +2010-07-22 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r185 + * Resync dso-readonly.c from dso.c + +2010-06-18 Mark Hatle <mark.hatle@windriver.com> + + * Sync src/dso-readonly.c and ... + * Integrate patch from + + 2010-05-06 Andrew Stubbs <ams@codesourcery.com> + + * src/dso.c (adjust_dso): Support MIPS debug sections. + * src/prelink.h (SHT_MIPS_DWARF): New define. + +2009-06-15 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r184 + * Resync dso-readonly.c from dso.c + * Cleanup ChangeLog.cross + +2009-06-15 Mark Hatle <mark.hatle@windriver.com> + + * Integrate prelinker/cross-prelinking patches + + 2009-09-01 Maciej W. Rozycki <macro@codesourcery.com> + + Issue #5273 + * src/arch-mips.c (mips_prelink_reloc): Resolve + R_MIPS_TLS_DTPMOD32 and R_MIPS_TLS_DTPMOD64 relocations in + executables. + + 2009-04-27 Maciej W. Rozycki <macro@codesourcery.com> + + Issue #5165 + * src/ld-libs.c (load_ld_so_conf): Fix a buffer overrun. Don't + record empty paths. + + 2009-04-23 Maciej W. Rozycki <macro@codesourcery.com> + + Issue #5165 + * src/ld-lookup.c (rtld_elf_hash): Handle an initial NULL + character correctly. Reformat for consistency with + rtld_elf_gnu_hash() + + 2009-04-23 Maciej W. Rozycki <macro@codesourcery.com> + + Issue #5165 + * src/ld-do-lookup.h (FCT): Remove the hash argument and + calculate the value within the function. Call + do_lookup_get_first() and do_lookup_get_next() to iterate over + symbols. + * src/prelink.h (dynamic_info_is_set): Convert macro to a + function. Return 1 for success rather than the bit set. + * src/ld-libs.h (ldlibs_link_map): Add l_gnu_hash, l_maskword64, + l_nmaskwords, l_shift and l_maskwords members. + * src/ld-libs.c (create_ldlibs_link_map): Handle the GNU hash. + * src/ld-lookup.c (rtld_elf_gnu_hash): New function. + (rtld_elf_any_hash): Likewise. + (rtld_elf_hash): Move above "ld-do-lookup.h" inclusions. + (do_lookup_get_first, do_lookup_get_next): New functions. + (rtld_lookup_symbol): Remove hash calculation. + (rtld_lookup_symbol_versioned): Likewise. + + 2009-04-23 Maciej W. Rozycki <macro@codesourcery.com> + + Issue #5165 + * src/execle_open.c (execve_open): Add missing pid + initialisation. + +2010-06-15 Mark Hatle <mark.hatle@windriver.com> + * Merge to upstream r174 + * src/arch-mips.c, src/conflict.c, src/cxx.c, src/main.c, src/verify.c: + fix items missed in the merge + * Resync dso-readonly.c from dso.c + +2010-06-14 Mark Hatle <mark.hatle@windriver.com> + + * Integrate prelinker/cross-prelinking patches + + 2009-08-06 Joseph Myers <joseph@codesourcery.com> + + * src/dwarf2.c (dwarf2_write_le64, dwarf2_write_be64): Shift by 56 + not 58 for MSB. + + 2009-03-19 Joseph Myers <joseph@codesourcery.com> + + Issue #4626 + * src/cache.c, src/dso-readonly.c, src/dso.c, src/execstack.c, + src/gather.c, src/layout.c, src/mapfile.c, src/verify.c: fsync + file descriptors before closing them. + + 2008-09-23 Joseph Myers <joseph@codesourcery.com> + + * src/arch-arm.c (arm_prelink_conflict_rela): Correct + R_ARM_TLS_TPOFF32 handling. + + 2008-09-18 Joseph Myers <joseph@codesourcery.com> + + * src/ld-libs.c (reloc_type_class, determine_tlsoffsets): Handle + SPARC. + * src/arch-sparc64.c (sparc64_prelink_rela, + sparc64_prelink_conflict_rela, sparc64_undo_prelink_rela, + sparc64_reloc_class): Handle TLS relocations. + (PL_ARCH(sparc64)): Update mmap_base and mmap_end for + TASK_UNMAPPED_BASE change to 0xfffff80100000000. + + 2008-10-02 Maciej W. Rozycki <macro@codesourcery.com> + + * src/arch-mips.c (mips_prelink_reloc): Do not complain about + TLS_DTPMOD32 or TLS_DTPMOD64 relocations found in executables. + + 2008-09-03 Maciej W. Rozycki <macro@codesourcery.com> + + * src/prelink.h (Elf64_Byte): New definition. + (R_MIPS_TLS_DTPMOD64): New macro. + (R_MIPS_TLS_DTPREL64): Likewise. + (R_MIPS_TLS_TPREL64): Likewise. + (RSS_UNDEF): Likewise. + (PL_ARCH): Use plarch_##F as the name of the struct in all + variants. + * src/reloc-info.c: New file. + * src/reloc-info.h: Likewise. + * src/arch-mips.c (mips_buf_read_addr): New function. + (mips_buf_write_addr): Likewise. + (mips_arch_adjust): Replace calls to buf_read_une32() and + buf_write_ne32() with ones to mips_buf_read_addr() and + mips_buf_write_addr() respectively. + (mips_read_addend): Rename to... + (mips_read_32bit_addend): ... this. + (mips_write_addend): Rename to... + (mips_write_32bit_addend): ... this. + (mips_read_64bit_addend): New function. + (mips_write_64bit_addend): Likewise. + (mips_adjust_reloc): Handle 64-bit REL relocations. Use + reloc_r_sym() and reloc_r_type() in place of GELF_R_SYM() and + GELF_R_TYPE() respectively. + (mips_prelink_64bit_reloc): New function. + (mips_prelink_reloc): Handle 64-bit REL and GLOB_DAT relocations. + Handle TLS_DTPMOD64, TLS_DTPREL64 and TLS_TPREL64 relocations. + Use reloc_r_sym() and reloc_r_type(). + (mips_prelink_rel): Handle 64-bit REL relocations. Use + reloc_r_sym(), reloc_r_type() and reloc_r_info_ext() (replacing + GELF_R_INFO()). + (mips_prelink_conflict_reloc): Handle 64-bit REL relocations. + Handle TLS_DTPMOD64, TLS_DTPREL64 and TLS_TPREL64 relocations. + Use reloc_r_sym(), reloc_r_type() and reloc_r_info_ext(). + (mips_arch_prelink_conflict): Use mips_buf_read_addr(). Use + reloc_r_info_ext(). + (mips_apply_conflict_rela): Handle 64-bit REL relocations. Use + reloc_r_type(). Use mips_buf_read_addr() and + mips_buf_write_addr(). + (mips_apply_reloc): Handle 64-bit REL relocations. Use + reloc_r_sym() and reloc_r_type(). + (mips_rel_to_rela): Handle 64-bit REL relocations. Handle + TLS_DTPMOD64, TLS_DTPREL64 and TLS_TPREL64 relocations. Use + reloc_r_sym() and reloc_r_type(). + (mips_rela_to_rel): Handle 64-bit REL and GLOB_DAT relocations. + Handle TLS_DTPMOD64, TLS_DTPREL64 and TLS_TPREL64 relocations. + Use reloc_r_sym() and reloc_r_type(). + (mips_need_rel_to_rela): Use data obtained with gelfx_getshdr() to + determine the size of a relocation entry. Use gelfx_getrel() to + retrieve them. Handle 64-bit REL relocations. Handle + TLS_DTPMOD64, TLS_DTPREL64 and TLS_TPREL64 relocations. Use + reloc_r_sym() and reloc_r_type() instead of ELF32_R_SYM() and + ELF32_R_TYPE() respectively. + (mips_reloc_class): Handle TLS_DTPMOD64, TLS_DTPREL64 and + TLS_TPREL64 relocations. + (mips_arch_prelink): Use mips_buf_read_addr() and + mips_buf_write_addr(). + (mips_arch_undo_prelink): Likewise. + (mips_undo_prelink_rel): Handle 64-bit GLOB_DAT relocations. Use + reloc_r_sym(), reloc_r_type() and reloc_r_info_ext(). + (mips64): New PL_ARCH. + * src/prelink.c (prelink_prepare): Handle SHT_MIPS_OPTIONS. + * src/conflict.c (conflict_rela_cmp_dso): New variable. + (conflict_rela_cmp): Use conflict_rela_cmp_dso and reloc_r_sym(). + (get_relocated_mem): Use reloc_r_type(). + (prelink_add_copy_rel): Use reloc_r_sym() and reloc_r_type(). + (prelink_build_conflicts): Use reloc_r_sym(), reloc_r_type() and + reloc_r_info(). Pass dso to conflict_rela_cmp() through + conflict_rela_cmp_dso. + (prelink_find_copy_rela): Use reloc_r_type(). + * src/cxx.c (remove_redundant_cxx_conflicts): Use reloc_r_sym(), + reloc_r_type() and reloc_r_info(). + * src/ld-libs.c (do_rel_section): Use reloc_r_sym() and + reloc_r_type(). + * src/Makefile.am (common_SOURCES): Add reloc-info.c and + reloc-info.h. + (prelink_rtld_SOURCES): Likewise. + * src/Makefile.in: Regenerate. + * configure.in: Check for the Elf64_Byte type. Require autoconf + 2.50. + * configure: Regenerate. + + 2008-09-03 Maciej W. Rozycki <macro@codesourcery.com> + + * src/arch-mips.c (mips_undo_prelink_rel): Fix formatting. + + 2008-09-03 Maciej W. Rozycki <macro@codesourcery.com> + + * src/arch-mips.c (mips_init_local_got_iterator): Use ELF_T_ADDR + to determine the width of GOT entries. + (mips_init_global_got_iterator): Likewise. + + 2008-09-03 Maciej W. Rozycki <macro@codesourcery.com> + + * src/data.c (buf_read_une##nn): Fix the width of the data + transfer used. + + 2008-03-06 Daniel Jacobowitz <dan@codesourcery.com> + + * src/ld-do-lookup.h: Check for STO_MIPS_PLT on MIPS. + * src/ld-libs.c (reloc_type_class): Handle copy and PLT relocs. + * src/prelink.h (R_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPREL32) + (R_MIPS_TLS_TPREL32, R_MIPS_GLOB_DAT): Remove duplicate definitions. + (R_MIPS_COPY, R_MIPS_JUMP_SLOT, STO_MIPS_PLT, DT_MIPS_PLTGOT) + (DT_MIPS_PLTNO, DT_MIPS_RWPLT): Define. + (DSO): Add info_DT_MIPS_PLTGOT. + * src/arch-mips.c (mips_prelink_reloc): Handle R_MIPS_JUMP_SLOT and + R_MIPS_COPY. + (mips_prelink_conflict_reloc): Handle R_MIPS_COPY. + (mips_apply_conflict_rela): Handle R_MIPS_JUMP_SLOT. + (mips_apply_reloc): Handle R_MIPS_JUMP_SLOT and R_MIPS_COPY. + (mips_rel_to_rela, mips_rela_to_rel): Handle R_MIPS_COPY. + (mips_need_rel_to_rela): Handle R_MIPS_COPY and R_MIPS_JUMP_SLOT. + Correct error message. + (mips_reloc_class): Handle R_MIPS_COPY and R_MIPS_JUMP_SLOT. Use + RTYPE_CLASS_VALID by default. + (mips_arch_prelink): Save .plt in gotplt[1]. + (mips_arch_undo_prelink): Clear gotplt[1]. + (mips_undo_prelink_rel): Undo R_MIPS_JUMP_SLOT relocations. + (PL_ARCH): Set R_COPY and R_JMP_SLOT. + * src/dso.c (read_dynamic): Save DT_MIPS_PLTGOT. + * src/dso-readonly.c (read_dynamic): ditto + + 2007-07-09 Daniel Jacobowitz <dan@codesourcery.com> + + Issue #1816 + * src/wrap-file.c (chroot_canon): Delete. + (sysroot_file_name): Use canon_filename. + (unsysroot_file_name): Make global. + (wrap_canonicalize_file_name): Delete. + * src/ld-libs.c (load_dsos): Use prelink_canonicalize. + * src/canonicalize.c (canon_filename): Make global. Add chroot, + allow_last_link, allow_missing arguments. Handle links inside + a chroot. Handle canonicalizing the current directory. Remove + debugging output. + (prelink_canonicalize): Update. Use unsysroot_file_name. + * src/prelink.h (wrap_canonicalize_file_name): Delete prototype. + + 2007-03-02 Sandra Loosemore <sandra@codesourcery.com> + + * doc/prelink.8: Copy edit. Add entry for --root option. Update + list of unsupported systems. + + 2007-02-16 Daniel Jacobowitz <dan@codesourcery.com> + + * src/prelink.h (sysroot_file_name): Declare. + * src/ld-libs.c (load_dsos): Take host_paths argument. Do not attempt + to canonicalize host filenames within the sysroot. Always set + canon_filename. + (process_one_dso): Update call to load_dsos. Do not redo call to + wrap_canonicalize_file_name. + + 2006-11-30 Mark Shinwell <shinwell@codesourcery.com> + + * configure.in: Recognize --with-pkgversion and ---with-bugurl. + * src/Makefile.am: Pass package version and bug URL through + AM_CFLAGS, together with the new EXECSTACK_PROG. + * src/main.c: Use PKGVERSION and REPORT_BUGS_TO. + * src/execstack.c: Likewise. Also use EXECSTACK_PROG. + + Mark Hatle <mark.hatle@windriver.com> + * src/ld-libs.c: Use PRELINK_RTLD_PROG, PKGVERSION and REPORT_BUGS_TO + * src/execstack.c: Use EXECSTACK_PROG in (argp_doc) + + 2006-11-30 Mark Shinwell <shinwell@codesourcery.com> + + * wrap-file.c (wrap_stat_body): New. + (wrap_lstat64, wrap_stat64): Use wrap_stat_body. + + 2006-11-28 Mark Shinwell <shinwell@codesourcery.com> + + * src/layout.c (layout_libs): Add assertion to check for buffer + overflow. + * src/ld-libs.c (find_lib_in_path): Add "machine" argument. + Skip libraries whose ELF machine type field does not match + that argument. + (find_lib_by_soname): Add "machine" argument. Pass it to + find_lib_in_path. + (load_dsos): Determine machine type of input DSO. Pass it + to find_lib_by_soname. + + 2006-11-28 Mark Shinwell <shinwell@codesourcery.com> + + * src/gather.c (maybe_pie): New. + (gather_func): Use it. + + 2006-11-28 Mark Shinwell <shinwell@codesourcery.com> + + * src/canonicalize.c: Add prelink.h include directive. + Use wrap_readlink and wrap_lstat64. + * src/prelink.h: Declare wrap_readlink. + * src/wrap-file.c (wrap_readlink): New. + + 2006-10-13 Daniel Jacobowitz <dan@codesourcery.com> + + * src/execle_open.c (execve_open): Add an error message if execve + fails. + + 2006-10-03 Richard Sandiford <richard@codesourcery.com> + + * configure.in (AC_CANONICAL_HOST): Remove in favour of... + (AC_CANONICAL_SYSTEM): ...this new directive. + (AC_ARG_PROGRAM): New directive. + * src/Makefile.am (AM_CFLAGS): Define PRELINK_PROG, PRELINK_RTLD_PROG + and EXEEXT. + (execstack_LDADD): Add -liberty. + * src/execstack.c (program_path, prelink_path): New variables. + (execstack_make_rdwr): Initialize prelink_path if it has not + been set yet. Use make_relative_prefix, PRELINK_PROG and EXEEXT + to get the full pathname of the prelink executable. Pass this path + to execl() as the name of executable file. + (main): Initialize program_path. + * src/main.c (argp_program_version, argp_doc): Use PRELINK_PROG as + the program name. + (main): Handle empty --rtld= arguments first. Always use + make_relative_prefix to work out the path of the defalt rtld + executable. Also use PRELINK_RTLD and EXEEXT for this purpose. + +2010-06-14 Mark Hatle <mark.hatle@windriver.com> + * configure.in: Add option to disable selinux + * src/Makefile.am: Stop static linking + +2007-08-08 Mark Hatle <mark.hatle@windriver.com> + + * src/arch-mips.c: add /lib32/ld.so.1 as an alternative 32-bit linker + * src/ld-libs.c: add a check for MIPS n32, and adjust ld_dirs as + necessary + +2007-10-11 Richard Sandiford <richard@codesourcery.com> + + * src/space.c (find_readonly_space): If a new PT_LOAD header is needed, + first try removing a PT_NULL header. + +2006-12-04 Mark Hatle <mark.hatle@windriver.com> + + * Merge code from: + + Richard Sandiford <richard@codesourcery.com> + * src/ld-libs.c (reloc_type_class): Handle EM_MIPS. + (do_mips_global_relocs): New function. + (handle_relocs_in_entry): Call it. + (determine_tlsoffsets): Handle EM_MIPS. + + Richard Sandiford <richard@codesourcery.com> + + * src/ld-libs.c (do_reloc): New function, split out from + do_rel_section. Take the symbol and relocation type as arguments. + (do_rel_section): Call it. + (handle_relocs_in_entry): New function. + (handle_relocs): Call it. + +2006-12-04 Mark Hatle <mark.hatle@windriver.com> + + * src/elf.h: Update to the latest version of elf.h for MIPS prelink + +2006-12-01 Mark Hatle <mark.hatle@windriver.com> + + * merge to 20061201 (r151) + * src/arch-arm.c: remove read_une32, write_ne32, buf_write_ne32, + buf_read_une32 + * src/dso-readonly.c: sync to changes in src/dso.c + +2006-08-18 Mark Hatle <mark.hatle@windriver.com> + + * arch-arm.c: remove prelink_conflict_rela + * arch-arm.c: Add big-endian arm support, based on arch-sh.c + +2006-08-17 Mark Hatle <mark.hatle@windriver.com> + + * data.c, dso.c, prelink.h: when using elfutils/libelf, we need + to byte swap only if the type is ELF_T_BYTE. + * dso-readonly.c: add get_data prototype change for byteswapping + * ld-libs.c: add get_data prototype change for byteswapping + +2006-08-10 Mark Hatle <mark.hatle@windriver.com> + + * testsuite/Makefile.in: Allow testsuite to run using cross prelink. + Disable the run-time tests, but keep all basic + prelink testing. + * testsuite/ccx1.sh, testsuite/cycle1.sh, testsuite/cycle2.sh + testsuite/deps1.sh, testsuite/deps2.sh, testuite/functions.sh + testuite/layout1.sh, testuite/layout2.sh, testsuite/movelibs.sh + testsuite/quick1.sh, testsuite/quick2.sh, testsuite/quick3.sh + testsuite/reloc1.sh, testsuite/reloc2.sh, testsuite/reloc3.sh + testsuite/reloc4.sh, testsuite/reloc5.sh, testsuite/reloc6.sh + testsuite/reloc7.sh, testsuite/reloc8.sh, testsuite/reloc9.sh + testsuite/reloc10.sh, testsuite/reloc11.sh, testsuite/shuffle1.sh + testsuite/shuffle2.c, testsuite/shuffle2.sh, testsuite/shuffle3.sh + testsuite/shuffle4.sh, testsuite/shuffle5.sh, testsuite/shuffle6.sh + testsuite/shuffle7.sh, testsuite/shuffle8.sh, testsuite/tls1.sh + testsuite/tls2.sh, testsuite/tls3.sh, testsuite/tls4.sh + testsuite/tls5.sh, testsuite/tls6.sh, testsuite/tls7.sh + testsuite/undo1.sh: ditto + +2006-08-09 Mark Hatle <mark.hatle@windriver.com> + + * execstack.c: add WR versioning + * ld-libs.c: add argp option processing and WR versioning + * main.c: add WR versioning + +2006-08-09 Mark Hatle <mark.hatle@windriver.com> + + * ld-libs.c: Add --root argument to prelink-rtld + +2006-08-09 Mark Hatle <mark.hatle@windriver.com> + + * cross-prelink code merged and upreved + original code from: + MontaVista Software, Inc. + CodeSourcery, LLC. + * Makefile.am: add prelink-rtld, libiberty + * dso-readonly.c: new file based on dso.c + * gather.c: use cross-rtld + * get.c: use cross-rtld + * ld-do-lookup.h: Add ld-do-lookup.h from glibc + * ld-libs.c: add cross-rtld functionality + * ld-libs.h: ditto + * ld-lookup.c: ditto + * ld-lookup64.c: ditto + * main.c: Add rtld option + * prelink.h: add extern rtld variable + +2006-08-09 CodeSourcery, LLC. + + * main.c: if we modified /sbin/init, re-run init + +2006-08-08 CodeSourcery, LLC. + + * arch-arm.c: add ARM EABI support, dynamic_linker_alt + * src/dso.c: STT_ARM_TFUNC support + * src/get.c: ld-linux.so.3 to the list of ldso names + +2006-08-08 CodeSourcery, LLC. + + * gather.c: add new dynamic_linker_alt + * prelink.h: ditto + +2006-08-08 MontaVista Software, Inc. + + * main.c: Add relative sysroot support + +2006-08-08 Montavista Software, Inc. + + * Makefile.am: Add function wrapper support for sysroots + * main.c: add --root option + * cache.c, doit.c, dso.c, execstack.c, gather.c, get.c, + prelink.h, undoall.c, verify.c: Add functional wrappers for sysroot + * wrap-file.c: add function wrapper definitions + +2006-07-28 Alexandre Oliva <aoliva@redhat.com> + + * src/cache.c: Avoid SEGFAULT when sorting cache entries (#197451) + +2006-07-21 MontaVista Software, Inc. + + * prelink.c: add PRELINK_TIMESTAMP support + +2006-07-21 MontaVista Software, Inc. + + * dso.c: Don't adjust reloc for debug info + +2006-06-30 Mark Hatle <mark.hatle@windriver.com> + + * src/elf.h: Make available the elf.h file from glibc 2.3.6 + +2006-06-10 MontaVista Software, Inc. + + * arch-sh.c: Fix R_SH_RELATIVE endian swap problem, + change max page size + diff --git a/trunk/Makefile.in b/trunk/Makefile.in deleted file mode 100644 index 22ab2b4..0000000 --- a/trunk/Makefile.in +++ /dev/null @@ -1,456 +0,0 @@ -# Makefile.in generated by automake 1.6.3 from Makefile.am. -# @configure_input@ - -# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 -# Free Software Foundation, Inc. -# This Makefile.in is free software; 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- -int main (void) -{ - Elf *elf; - int fd; - Elf64_Ehdr *ehdr; - Elf64_Addr val; - Elf_Scn *scn; - - fd = open ("conflibelftest", O_RDWR | O_CREAT | O_EXCL, 0600); - if (fd == -1) exit (1); - unlink ("conflibelftest"); - if (write (fd, sparc64_elf, sizeof(sparc64_elf)) != sizeof(sparc64_elf)) - exit (1); - if (lseek (fd, 0, SEEK_SET) != 0) exit (1); - elf_version (EV_CURRENT); - elf = elf_begin (fd, ELF_C_RDWR, NULL); if (elf == NULL) exit (2); - if ((ehdr = elf64_getehdr (elf)) == NULL) exit (3); - scn = NULL; - while ((scn = elf_nextscn (elf, scn)) != NULL) - { - char *name = NULL; - Elf64_Shdr *shdr; - Elf_Data *src, *dst; - - if ((shdr = elf64_getshdr (scn)) - && (name = elf_strptr (elf, ehdr->e_shstrndx, shdr->sh_name)) - && !strcmp (name, "foo")) - { - src = elf_rawdata (scn, NULL); - if (shdr->sh_size != 8 || src->d_off || src->d_size != 8) exit (4); - if (src == NULL || elf_rawdata (scn, src) != NULL) exit (5); - if ((dst = elf_newdata (scn)) == NULL) exit (6); - dst->d_buf = &val; - dst->d_size = 8; - dst->d_off = 0; - dst->d_type = ELF_T_SXWORD; - src->d_type = ELF_T_SXWORD; - if (elf64_xlatetom (dst, src, ELFDATA2MSB) == NULL) exit (7); - if (val != 0x7fff0000000) - exit (42); - elf_end (elf); - exit (0); - } - } - exit (8); -} - ],,[AC_MSG_ERROR([libelf does not properly convert Elf64_Sxword quantities. -If you are using libelf-0.7.0, please use patches/libelf-0.7.0.patch.])], -[AC_MSG_WARN([Could not test whether libelf properly converts Elf64_Sxword quantities. -If you are using libelf-0.7.0 and your libelf is buggy, please use -patches/libelf-0.7.0.patch.])]) - ]) - diff --git a/trunk/config.h.in b/trunk/config.h.in index a6c7dcc..04b1e4a 100644 --- a/trunk/config.h.in +++ b/trunk/config.h.in @@ -3,6 +3,9 @@ /* Define to 1 if you have the <dlfcn.h> header file. */ #undef HAVE_DLFCN_H +/* Define to 1 if the system has the type `Elf64_Byte'. */ +#undef HAVE_ELF64_BYTE + /* Define if FTW_ACTIONRETVAL is supported. */ #undef HAVE_FTW_ACTIONRETVAL @@ -42,6 +45,13 @@ /* Define to 1 if you have the <unistd.h> header file. */ #undef HAVE_UNISTD_H +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#undef LT_OBJDIR + +/* Define to 1 if your C compiler doesn't accept -c and -o together. */ +#undef NO_MINUS_C_MINUS_O + /* Name of package */ #undef PACKAGE diff --git a/trunk/configure b/trunk/configure deleted file mode 100755 index 9f2a746..0000000 --- a/trunk/configure +++ /dev/null @@ -1,20851 +0,0 @@ -#! /bin/sh -# Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.57. -# -# Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002 -# Free Software Foundation, Inc. -# This configure script is free software; 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then fi dnl SELinux checks +AC_ARG_ENABLE(selinux, + AS_HELP_STRING([--disable-selinux], + [Disable selinux support in the prelinker]), + [ enable_selinux="$enableval" ], + [ enable_selinux="yes" ]) + +if test "x$enable_selinux" != "no"; then + ac_cv_lib_selinux_is_selinux_enabled=disabled +fi + AC_CHECK_LIB(selinux,is_selinux_enabled) AC_CHECK_HEADERS(selinux/selinux.h) @@ -82,8 +94,38 @@ fi AC_LIBELF_SXWORD +dnl Elf64_Byte is specific to the 64-bit MIPS psABI and may not be defined. +AC_CHECK_TYPES([Elf64_Byte], [], [], [#include <libelf.h>]) + +# Package version. +AC_ARG_WITH(pkgversion, + AS_HELP_STRING([--with-pkgversion=PKG], + [Add PKG to the version string]), + [case "$withval" in + yes) AC_MSG_ERROR([package version not specified]) ;; + no) PKGVERSION= ;; + *) PKGVERSION=" ($withval)" ;; + esac], + PKGVERSION= +) +AC_SUBST(PKGVERSION) + +# The location to which bugs should be reported. +AC_ARG_WITH(bugurl, + AS_HELP_STRING([--with-bugurl=URL], + [Direct users to URL to report a bug]), + [case "$withval" in + yes) AC_MSG_ERROR([bug URL not specified]) ;; + no) REPORT_BUGS_TO="" ;; + *) REPORT_BUGS_TO="<URL:$withval>" ;; + esac], + REPORT_BUGS_TO="<jakub@redhat.com>" +) +AC_SUBST(REPORT_BUGS_TO) + AC_OUTPUT([Makefile src/Makefile + src/rtld/Makefile gelfx/Makefile gelfx32/Makefile gelf/Makefile diff --git a/trunk/doc/Makefile.in b/trunk/doc/Makefile.in deleted file mode 100644 index 678002b..0000000 --- a/trunk/doc/Makefile.in +++ /dev/null @@ -1,323 +0,0 @@ -# Makefile.in generated by automake 1.6.3 from Makefile.am. -# @configure_input@ - -# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 -# Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ -SHELL = @SHELL@ - -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -VPATH = @srcdir@ -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -bindir = @bindir@ -sbindir = @sbindir@ -libexecdir = @libexecdir@ -datadir = @datadir@ -sysconfdir = @sysconfdir@ -sharedstatedir = @sharedstatedir@ -localstatedir = @localstatedir@ -libdir = @libdir@ -infodir = @infodir@ -mandir = @mandir@ -includedir = @includedir@ -oldincludedir = /usr/include -pkgdatadir = $(datadir)/@PACKAGE@ -pkglibdir = $(libdir)/@PACKAGE@ -pkgincludedir = $(includedir)/@PACKAGE@ -top_builddir = .. - -ACLOCAL = @ACLOCAL@ -AUTOCONF = @AUTOCONF@ -AUTOMAKE = @AUTOMAKE@ -AUTOHEADER = @AUTOHEADER@ - -am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ -install_sh_DATA = $(install_sh) -c -m 644 -install_sh_PROGRAM = $(install_sh) -c -install_sh_SCRIPT = $(install_sh) -c -INSTALL_SCRIPT = @INSTALL_SCRIPT@ -INSTALL_HEADER = $(INSTALL_DATA) -transform = @program_transform_name@ -NORMAL_INSTALL = : -PRE_INSTALL = : -POST_INSTALL = : -NORMAL_UNINSTALL = : -PRE_UNINSTALL = : -POST_UNINSTALL = : -host_alias = @host_alias@ -host_triplet = @host@ - -EXEEXT = @EXEEXT@ -OBJEXT = @OBJEXT@ -PATH_SEPARATOR = @PATH_SEPARATOR@ -AMTAR = @AMTAR@ -AR = @AR@ -AS = @AS@ -AWK = @AWK@ -CC = @CC@ -CPP = @CPP@ -CXX = @CXX@ -CXXCPP = @CXXCPP@ -DEPDIR = @DEPDIR@ -DLLTOOL = @DLLTOOL@ -ECHO = @ECHO@ -EGREP = @EGREP@ -F77 = @F77@ -GCJ = @GCJ@ -GCJFLAGS = @GCJFLAGS@ -GELFINCLUDE = @GELFINCLUDE@ -INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ -LIBGELF = @LIBGELF@ -LIBTOOL = @LIBTOOL@ -LN_S = @LN_S@ -OBJDUMP = @OBJDUMP@ -PACKAGE = @PACKAGE@ -RANLIB = @RANLIB@ -RC = @RC@ -STRIP = @STRIP@ -VERSION = @VERSION@ -am__include = @am__include@ -am__quote = @am__quote@ -install_sh = @install_sh@ - -AUTOMAKE_OPTIONS = 1.4 gnu - -man_MANS = prelink.8 execstack.8 -EXTRA_DIST = prelink.8 execstack.8 prelink.conf -PDFLATEXINPUTS = TEXINPUTS_pdflatex=.:$(srcdir):`kpsewhich --progname=pdflatex --show-path=cnf.pdflatex` -LATEXINPUTS = TEXINPUTS_latex=.:$(srcdir):`kpsewhich --progname=latex --show-path=cnf.latex` - -noinst_DATA = prelink.pdf -pics = gap bss basemove newseg dso1 dso2 dso3 - -SUFFIXES = .fig .eps .pdf - -CLEANFILES = $(pics:=.eps) $(pics:=.pdf) prelink.aux prelink.dvi \ - prelink.log prelink.mtc prelink.mtc1 prelink.pdf prelink.ps \ - prelink.glo prelink.idx prelink.out prelink.tpt prelink.ilg \ - prelink.gls prelink.toc - -subdir = doc -mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs -CONFIG_HEADER = $(top_builddir)/config.h -CONFIG_CLEAN_FILES = -DIST_SOURCES = - -NROFF = nroff -MANS = $(man_MANS) -DATA = $(noinst_DATA) - -DIST_COMMON = Makefile.am Makefile.in -all: all-am - -.SUFFIXES: -.SUFFIXES: .fig .eps .pdf -$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) - cd $(top_srcdir) && \ - $(AUTOMAKE) --gnu doc/Makefile -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe) - -mostlyclean-libtool: - -rm -f *.lo - -clean-libtool: - -rm -rf .libs _libs - -distclean-libtool: - -rm -f libtool -uninstall-info-am: - -man8dir = $(mandir)/man8 -install-man8: $(man8_MANS) $(man_MANS) - @$(NORMAL_INSTALL) - $(mkinstalldirs) $(DESTDIR)$(man8dir) - @list='$(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS)'; 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then $(PDFLATEXINPUTS) pdflatex $<; fi - thumbpdf $@ && $(PDFLATEXINPUTS) pdflatex $< - mv $@ prelinkin.pdf - pdfopt prelinkin.pdf $@ - rm prelinkin.pdf - -prelink.ps: prelink.dvi - dvips $< -o $@ - -prelink.dvi: prelink.tex $(pics:=.eps) - $(LATEXINPUTS) latex $< - if grep -q Rerun prelink.log; then $(LATEXINPUTS) latex $<; fi - -.fig.eps: - fig2dev -L eps $^ $@ - -.fig.pdf: - fig2dev -L pdf $^ $@ -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/trunk/doc/prelink.8 b/trunk/doc/prelink.8 index e5a0062..f6b9c7c 100644 --- a/trunk/doc/prelink.8 +++ b/trunk/doc/prelink.8 @@ -147,6 +147,13 @@ walking directory hierarchies. When processing command line directory arguments, limit directory tree walk to a single file system. .TP +.B \-\-root=PATHNAME +In a cross-compilation environment, this specifies the path to the root of +the target's file system. All other pathnames processed by +.B prelink +are relative to this root, including the name of the configuration file +as well as its contents and pathnames supplied on the command line. +.TP .B \-u \-\-undo Revert binaries and libraries to their original content before they were prelinked. @@ -304,6 +311,6 @@ are ignored). .SH BUGS .LP .B prelink -Some architectures, including IA-64 and HPPA, are not yet supported. +Some architectures, including HPPA, are not yet supported. .SH AUTHORS Jakub Jelinek <jakub@redhat.com>. diff --git a/trunk/gelf/Makefile.in b/trunk/gelf/Makefile.in deleted file mode 100644 index 05f9925..0000000 --- a/trunk/gelf/Makefile.in +++ /dev/null @@ -1,345 +0,0 @@ -# Makefile.in generated by automake 1.6.3 from Makefile.am. -# @configure_input@ - -# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 -# Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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-# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/trunk/src/arch-arm.c b/trunk/src/arch-arm.c index 17c7507..2516763 100644 --- a/trunk/src/arch-arm.c +++ b/trunk/src/arch-arm.c @@ -28,6 +28,12 @@ #include "prelink.h" +#ifndef R_ARM_TLS_DTPMOD32 +#define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ +#define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ +#define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ +#endif + static int arm_adjust_dyn (DSO *dso, int n, GElf_Dyn *dyn, GElf_Addr start, GElf_Addr adjust) @@ -833,6 +839,7 @@ PL_ARCH(arm) = { .R_RELATIVE = R_ARM_RELATIVE, .rtype_class_valid = RTYPE_CLASS_VALID, .dynamic_linker = "/lib/ld-linux.so.3", + .dynamic_linker_alt = "/lib/ld-linux.so.2", .adjust_dyn = arm_adjust_dyn, .adjust_rel = arm_adjust_rel, .adjust_rela = arm_adjust_rela, diff --git a/trunk/src/arch-mips.c b/trunk/src/arch-mips.c index 0c6fddc..25fdacc 100644 --- a/trunk/src/arch-mips.c +++ b/trunk/src/arch-mips.c @@ -1,5 +1,6 @@ -/* Copyright (C) 2006 CodeSourcery +/* Copyright (C) 2006, 2008 CodeSourcery. Written by Richard Sandiford <richard@codesourcery.com>, 2006 + Updated by Maciej W. Rozycki <macro@codesourcery.com>, 2008. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -90,6 +91,7 @@ #include "prelink.h" #include "layout.h" +#include "reloc-info.h" /* The thread pointer points 0x7000 past the first static TLS block. */ #define TLS_TP_OFFSET 0x7000 @@ -124,6 +126,28 @@ struct mips_local_got_iterator { struct data_iterator got_iterator; }; +/* Read native-endian address-type data. */ + +static uint64_t +mips_buf_read_addr (DSO *dso, unsigned char *data) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64) + return buf_read_une64 (dso, data); + else + return buf_read_une32 (dso, data); +} + +/* Write native-endian address-type data. */ + +static void +mips_buf_write_addr (DSO *dso, unsigned char *data, uint64_t val) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64) + buf_write_ne64 (dso, data, val); + else + buf_write_ne32 (dso, data, val); +} + /* Set up LGI to iterate over DSO's local GOT. The caller should use mips_get_local_got_entry to read the first entry. */ @@ -131,7 +155,7 @@ static inline void mips_init_local_got_iterator (struct mips_local_got_iterator *lgi, DSO *dso) { lgi->dso = dso; - lgi->entry_size = gelf_fsize (dso->elf, ELF_T_WORD, 1, EV_CURRENT); + lgi->entry_size = gelf_fsize (dso->elf, ELF_T_ADDR, 1, EV_CURRENT); lgi->got_index = RESERVED_GOTNO - 1; lgi->failed = 0; init_data_iterator (&lgi->got_iterator, dso, @@ -199,7 +223,7 @@ mips_init_global_got_iterator (struct mips_global_got_iterator *ggi, DSO *dso) GElf_Word sym_size; ggi->dso = dso; - ggi->entry_size = gelf_fsize (dso->elf, ELF_T_WORD, 1, EV_CURRENT); + ggi->entry_size = gelf_fsize (dso->elf, ELF_T_ADDR, 1, EV_CURRENT); ggi->got_addr = (dso->info[DT_PLTGOT] + (dso->info_DT_MIPS_LOCAL_GOTNO - 1) * ggi->entry_size); ggi->sym_index = dso->info_DT_MIPS_GOTSYM - 1; @@ -252,8 +276,8 @@ mips_arch_adjust (DSO *dso, GElf_Addr start, GElf_Addr adjust) mips_init_local_got_iterator (&lgi, dso); while (mips_get_local_got_entry (&lgi)) { - value = buf_read_une32 (dso, lgi.got_entry); - buf_write_ne32 (dso, lgi.got_entry, value + adjust); + value = mips_buf_read_addr (dso, lgi.got_entry); + mips_buf_write_addr (dso, lgi.got_entry, value + adjust); } /* Adjust every global GOT entry. Referring to the table above: @@ -269,13 +293,13 @@ mips_arch_adjust (DSO *dso, GElf_Addr start, GElf_Addr adjust) mips_init_global_got_iterator (&ggi, dso); while (mips_get_global_got_entry (&ggi)) { - value = buf_read_une32 (dso, ggi.got_entry); + value = mips_buf_read_addr (dso, ggi.got_entry); if (ggi.sym.st_shndx != SHN_COMMON && value >= start && (value == ggi.sym.st_value ? adjust_symbol_p (dso, &ggi.sym) : ggi.sym.st_shndx != SHN_UNDEF)) - buf_write_ne32 (dso, ggi.got_entry, value + adjust); + mips_buf_write_addr (dso, ggi.got_entry, value + adjust); } return lgi.failed || ggi.failed; @@ -325,16 +349,16 @@ mips_adjust_dyn (DSO *dso, int n, GElf_Dyn *dyn, GElf_Addr start, address R_OFFSET. */ static inline uint32_t -mips_read_addend (DSO *dso, GElf_Addr r_offset, GElf_Rela *rela) +mips_read_32bit_addend (DSO *dso, GElf_Addr r_offset, GElf_Rela *rela) { return rela ? rela->r_addend : read_une32 (dso, r_offset); } -/* Like mips_read_addend, but change the addend to VALUE. */ +/* Like mips_read_32bit_addend, but change the addend to VALUE. */ static inline void -mips_write_addend (DSO *dso, GElf_Addr r_offset, GElf_Rela *rela, - uint32_t value) +mips_write_32bit_addend (DSO *dso, GElf_Addr r_offset, GElf_Rela *rela, + uint32_t value) { if (rela) rela->r_addend = (int32_t) value; @@ -342,6 +366,26 @@ mips_write_addend (DSO *dso, GElf_Addr r_offset, GElf_Rela *rela, write_ne32 (dso, r_offset, value); } +/* Like mips_read_32bit_addend, but 64-bit. */ + +static inline uint64_t +mips_read_64bit_addend (DSO *dso, GElf_Addr r_offset, GElf_Rela *rela) +{ + return rela ? rela->r_addend : read_une64 (dso, r_offset); +} + +/* Like mips_read_64bit_addend, but change the addend to VALUE. */ + +static inline void +mips_write_64bit_addend (DSO *dso, GElf_Addr r_offset, GElf_Rela *rela, + uint64_t value) +{ + if (rela) + rela->r_addend = value; + else + write_ne64 (dso, r_offset, value); +} + /* There is a relocation of type R_INFO against address R_OFFSET in DSO. Adjust it so that virtual addresses >= START are increased by ADJUST If the relocation is in a RELA section, RELA points to the relocation, @@ -354,9 +398,9 @@ mips_adjust_reloc (DSO *dso, GElf_Addr r_offset, GElf_Xword r_info, GElf_Addr value; GElf_Word r_sym; - if (GELF_R_TYPE (r_info) == R_MIPS_REL32) + if (reloc_r_type (dso, r_info) == R_MIPS_REL32) { - r_sym = GELF_R_SYM (r_info); + r_sym = reloc_r_sym (dso, r_info); if (r_sym < dso->info_DT_MIPS_GOTSYM) { /* glibc's dynamic linker adds the symbol's st_value and the @@ -388,8 +432,18 @@ mips_adjust_reloc (DSO *dso, GElf_Addr r_offset, GElf_Xword r_info, " relocs against local symbols", dso->filename); return 1; } - value = mips_read_addend (dso, r_offset, rela); - mips_write_addend (dso, r_offset, rela, value + adjust); + if (reloc_r_type2 (dso, r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, r_info) == RSS_UNDEF); + value = mips_read_64bit_addend (dso, r_offset, rela); + mips_write_64bit_addend (dso, r_offset, rela, value + adjust); + } + else + { + value = mips_read_32bit_addend (dso, r_offset, rela); + mips_write_32bit_addend (dso, r_offset, rela, value + adjust); + } } } return 0; @@ -418,6 +472,13 @@ mips_prelink_32bit_reloc (DSO *dso, GElf_Rela *rela, GElf_Addr value) write_ne32 (dso, rela->r_offset, value + rela->r_addend); } +static void +mips_prelink_64bit_reloc (DSO *dso, GElf_Rela *rela, GElf_Addr value) +{ + assert (rela != NULL); + write_ne64 (dso, rela->r_offset, value + rela->r_addend); +} + /* There is a relocation of type R_INFO against address R_OFFSET in DSO. Prelink the relocation field, using INFO to look up symbol values. If the relocation is in a RELA section, RELA points to the relocation, @@ -433,8 +494,8 @@ mips_prelink_reloc (struct prelink_info *info, GElf_Addr r_offset, int r_type; dso = info->dso; - r_sym = GELF_R_SYM (r_info); - r_type = GELF_R_TYPE (r_info); + r_sym = reloc_r_sym (dso, r_info); + r_type = reloc_r_type (dso, r_info); switch (r_type) { case R_MIPS_NONE: @@ -443,47 +504,87 @@ mips_prelink_reloc (struct prelink_info *info, GElf_Addr r_offset, case R_MIPS_REL32: /* An in-place R_MIPS_REL32 relocation against symbol 0 needs no adjustment. */ - if (rela != NULL || GELF_R_SYM (r_info) != 0) + if (rela != NULL || r_sym != 0) { value = info->resolve (info, r_sym, r_type); - mips_prelink_32bit_reloc (dso, rela, value); + if (reloc_r_type2 (dso, r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, r_info) == RSS_UNDEF); + mips_prelink_64bit_reloc (dso, rela, value); + } + else + mips_prelink_32bit_reloc (dso, rela, value); } break; case R_MIPS_GLOB_DAT: + if (reloc_r_type2 (dso, r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, r_info) == RSS_UNDEF); + write_ne64 (dso, r_offset, info->resolve (info, r_sym, r_type)); + } + else + write_ne32 (dso, r_offset, info->resolve (info, r_sym, r_type)); + break; + + case R_MIPS_JUMP_SLOT: write_ne32 (dso, r_offset, info->resolve (info, r_sym, r_type)); break; case R_MIPS_TLS_DTPMOD32: + case R_MIPS_TLS_DTPMOD64: + /* Relocations in a shared library will be resolved using a conflict. + We need not change the relocation field here. */ if (dso->ehdr.e_type == ET_EXEC) { - error (0, 0, "%s: R_MIPS_TLS_DTPMOD32 reloc in executable?", - dso->filename); - return 1; + struct prelink_tls *tls = info->symbols[r_sym].u.tls; + + if (tls == NULL) + break; + value = tls->modid; + if (r_type == R_MIPS_TLS_DTPMOD32) + mips_prelink_32bit_reloc (dso, rela, value); + else + mips_prelink_64bit_reloc (dso, rela, value); } - /* These relocations will be resolved using a conflict. We need - not change the field value here. */ break; case R_MIPS_TLS_DTPREL32: + case R_MIPS_TLS_DTPREL64: value = info->resolve (info, r_sym, r_type); - mips_prelink_32bit_reloc (dso, rela, value - TLS_DTV_OFFSET); + if (r_type == R_MIPS_TLS_DTPREL32) + mips_prelink_32bit_reloc (dso, rela, value - TLS_DTV_OFFSET); + else + mips_prelink_64bit_reloc (dso, rela, value - TLS_DTV_OFFSET); break; case R_MIPS_TLS_TPREL32: + case R_MIPS_TLS_TPREL64: /* Relocations in a shared library will be resolved using a conflict. We need not change the relocation field here. */ if (dso->ehdr.e_type == ET_EXEC) { value = info->resolve (info, r_sym, r_type); value += info->resolvetls->offset - TLS_TP_OFFSET; - mips_prelink_32bit_reloc (dso, rela, value); + if (r_type == R_MIPS_TLS_TPREL32) + mips_prelink_32bit_reloc (dso, rela, value); + else + mips_prelink_64bit_reloc (dso, rela, value); } break; + case R_MIPS_COPY: + if (dso->ehdr.e_type == ET_EXEC) + /* COPY relocs are handled specially in generic code. */ + return 0; + error (0, 0, "%s: R_MIPS_COPY reloc in shared library?", dso->filename); + return 1; + default: error (0, 0, "%s: Unknown MIPS relocation type %d", - dso->filename, (int) GELF_R_TYPE (r_info)); + dso->filename, (int) reloc_r_type (dso, r_info)); return 1; } return 0; @@ -492,20 +593,41 @@ mips_prelink_reloc (struct prelink_info *info, GElf_Addr r_offset, static int mips_prelink_rel (struct prelink_info *info, GElf_Rel *rel, GElf_Addr reladdr) { + GElf_Xword r_info; + GElf_Word r_sym; + int r_type; DSO *dso; /* Convert R_MIPS_REL32 relocations against global symbols into R_MIPS_GLOB_DAT if the addend is zero. */ dso = info->dso; - if (GELF_R_TYPE (rel->r_info) == R_MIPS_REL32 - && GELF_R_SYM (rel->r_info) >= dso->info_DT_MIPS_GOTSYM - && read_une32 (dso, rel->r_offset) == 0) + r_sym = reloc_r_sym (dso, rel->r_info); + r_type = reloc_r_type (dso, rel->r_info); + if (r_type == R_MIPS_REL32 && r_sym >= dso->info_DT_MIPS_GOTSYM) { - rel->r_info = GELF_R_INFO (GELF_R_SYM (rel->r_info), R_MIPS_GLOB_DAT); - write_ne32 (dso, rel->r_offset, - info->resolve (info, GELF_R_SYM (rel->r_info), - GELF_R_TYPE (rel->r_info))); - return 2; + r_type = R_MIPS_GLOB_DAT; + r_info = reloc_r_info_ext (dso, r_sym, reloc_r_ssym (dso, rel->r_info), + r_type, + reloc_r_type2 (dso, rel->r_info), + reloc_r_type3 (dso, rel->r_info)); + if (reloc_r_type2 (dso, rel->r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, rel->r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, rel->r_info) == RSS_UNDEF); + if (read_une64 (dso, rel->r_offset) == 0) + { + rel->r_info = r_info; + write_ne64 (dso, rel->r_offset, + info->resolve (info, r_sym, r_type)); + return 2; + } + } + else if (read_une32 (dso, rel->r_offset) == 0) + { + rel->r_info = r_info; + write_ne32 (dso, rel->r_offset, info->resolve (info, r_sym, r_type)); + return 2; + } } return mips_prelink_reloc (info, rel->r_offset, rel->r_info, NULL); } @@ -552,18 +674,23 @@ mips_prelink_conflict_reloc (DSO *dso, struct prelink_info *info, struct prelink_conflict *conflict; struct prelink_tls *tls = NULL; GElf_Rela *entry; + GElf_Word r_sym; + int r_type; if (info->dso == dso) return 0; - conflict = prelink_conflict (info, GELF_R_SYM (r_info), - GELF_R_TYPE (r_info)); + r_sym = reloc_r_sym (dso, r_info); + r_type = reloc_r_type (dso, r_info); + conflict = prelink_conflict (info, r_sym, r_type); if (conflict == NULL) { - switch (GELF_R_TYPE (r_info)) + switch (r_type) { case R_MIPS_TLS_DTPMOD32: + case R_MIPS_TLS_DTPMOD64: case R_MIPS_TLS_TPREL32: + case R_MIPS_TLS_TPREL64: tls = info->curtls; if (tls == NULL) return 0; @@ -584,10 +711,11 @@ mips_prelink_conflict_reloc (DSO *dso, struct prelink_info *info, } else { - /* DTPREL32 relocations just involve the symbol value; no other - TLS information is needed. Ignore conflicts created from a - lookup of type RTYPE_CLASS_TLS if no real conflict exists. */ - if (GELF_R_TYPE (r_info) == R_MIPS_TLS_DTPREL32 + /* DTPREL32/DTPREL64 relocations just involve the symbol value; + no other TLS information is needed. Ignore conflicts created + from a lookup of type RTYPE_CLASS_TLS if no real conflict + exists. */ + if ((r_type == R_MIPS_TLS_DTPREL32 || r_type == R_MIPS_TLS_DTPREL64) && conflict->lookup.tls == conflict->conflict.tls && conflict->lookupval == conflict->conflictval) return 0; @@ -596,44 +724,67 @@ mips_prelink_conflict_reloc (DSO *dso, struct prelink_info *info, } /* VALUE now contains the final symbol value. Change it to the value we want to store at R_OFFSET. */ - switch (GELF_R_TYPE (r_info)) + switch (r_type) { case R_MIPS_REL32: - value += mips_read_addend (dso, r_offset, rela); + if (reloc_r_type2 (dso, r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, r_info) == RSS_UNDEF); + value += mips_read_64bit_addend (dso, r_offset, rela); + } + else + value += mips_read_32bit_addend (dso, r_offset, rela); break; case R_MIPS_GLOB_DAT: break; + case R_MIPS_COPY: + error (0, 0, "R_MIPS_COPY should not be present in shared libraries"); + return 1; + case R_MIPS_TLS_DTPMOD32: + case R_MIPS_TLS_DTPMOD64: if (conflict != NULL && mips_get_tls (dso, conflict, &tls) == 1) return 1; value = tls->modid; break; case R_MIPS_TLS_DTPREL32: - value += mips_read_addend (dso, r_offset, rela) - TLS_DTV_OFFSET; + value += mips_read_32bit_addend (dso, r_offset, rela) - TLS_DTV_OFFSET; + break; + case R_MIPS_TLS_DTPREL64: + value += mips_read_64bit_addend (dso, r_offset, rela) - TLS_DTV_OFFSET; break; case R_MIPS_TLS_TPREL32: + case R_MIPS_TLS_TPREL64: if (conflict != NULL && mips_get_tls (dso, conflict, &tls) == 1) return 1; - value += (mips_read_addend (dso, r_offset, rela) - + tls->offset - TLS_TP_OFFSET); + if (r_type == R_MIPS_TLS_TPREL32) + value += mips_read_32bit_addend (dso, r_offset, rela); + else + value += mips_read_64bit_addend (dso, r_offset, rela); + value += tls->offset - TLS_TP_OFFSET; break; default: error (0, 0, "%s: Unknown MIPS relocation type %d", dso->filename, - (int) GELF_R_TYPE (r_info)); + r_type); return 1; } /* Create and initialize a conflict entry. */ entry = prelink_conflict_add_rela (info); if (entry == NULL) return 1; - entry->r_addend = (int32_t) value; entry->r_offset = r_offset; - entry->r_info = GELF_R_INFO (0, R_MIPS_REL32); + entry->r_info = reloc_r_info_ext (dso, 0, RSS_UNDEF, + R_MIPS_REL32, R_MIPS_64, R_MIPS_NONE); + if (reloc_r_type2 (dso, entry->r_info) == R_MIPS_64) + entry->r_addend = value; + else + entry->r_addend = (int32_t) value; return 0; } @@ -678,14 +829,19 @@ mips_arch_prelink_conflict (DSO *dso, struct prelink_info *info) value = ggi.sym.st_value; else continue; - if (buf_read_une32 (dso, ggi.got_entry) != value) + if (mips_buf_read_addr (dso, ggi.got_entry) != value) { entry = prelink_conflict_add_rela (info); if (entry == NULL) return 1; - entry->r_addend = (int32_t) value; entry->r_offset = ggi.got_addr; - entry->r_info = GELF_R_INFO (0, R_MIPS_REL32); + entry->r_info = reloc_r_info_ext (dso, 0, RSS_UNDEF, + R_MIPS_REL32, R_MIPS_64, + R_MIPS_NONE); + if (reloc_r_type2 (dso, entry->r_info) == R_MIPS_64) + entry->r_addend = value; + else + entry->r_addend = (int32_t) value; } } @@ -696,9 +852,23 @@ static int mips_apply_conflict_rela (struct prelink_info *info, GElf_Rela *rela, char *buf, GElf_Addr dest_addr) { - switch (GELF_R_TYPE (rela->r_info)) + DSO *dso; + + dso = info->dso; + switch (reloc_r_type (dso, rela->r_info)) { case R_MIPS_REL32: + if (reloc_r_type2 (dso, rela->r_info) == R_MIPS_64) + { + assert (reloc_r_ssym (dso, rela->r_info) == RSS_UNDEF); + assert (reloc_r_type3 (dso, rela->r_info) == R_MIPS_NONE); + buf_write_ne64 (info->dso, buf, rela->r_addend); + } + else + buf_write_ne32 (info->dso, buf, rela->r_addend); + break; + + case R_MIPS_JUMP_SLOT: buf_write_ne32 (info->dso, buf, rela->r_addend); break; @@ -720,26 +890,42 @@ mips_apply_adjustment (DSO *dso, GElf_Rela *rela, char *buf, if (rela) adjustment += rela->r_addend; else - adjustment += buf_read_une32 (dso, buf); - buf_write_ne32 (dso, buf, adjustment); + adjustment += mips_buf_read_addr (dso, buf); + mips_buf_write_addr (dso, buf, adjustment); } static int mips_apply_reloc (struct prelink_info *info, GElf_Xword r_info, GElf_Rela *rela, char *buf) { + GElf_Addr value; + GElf_Word r_sym; + int r_type; DSO *dso; dso = info->dso; - switch (GELF_R_TYPE (r_info)) + r_sym = reloc_r_sym (dso, r_info); + r_type = reloc_r_type (dso, r_info); + value = info->resolve (info, r_sym, r_type); + switch (r_type) { case R_MIPS_NONE: break; + case R_MIPS_JUMP_SLOT: + buf_write_ne32 (info->dso, buf, value); + break; + + case R_MIPS_COPY: + abort (); + case R_MIPS_REL32: - mips_apply_adjustment (dso, rela, buf, - info->resolve (info, GELF_R_SYM (r_info), - GELF_R_TYPE (r_info))); + if (reloc_r_type2 (dso, r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, r_info) == RSS_UNDEF); + } + mips_apply_adjustment (dso, rela, buf, value); break; default: @@ -763,27 +949,50 @@ mips_apply_rela (struct prelink_info *info, GElf_Rela *rela, char *buf) static int mips_rel_to_rela (DSO *dso, GElf_Rel *rel, GElf_Rela *rela) { + GElf_Word r_sym; + int r_type; + + r_sym = reloc_r_sym (dso, rel->r_info); + r_type = reloc_r_type (dso, rel->r_info); rela->r_offset = rel->r_offset; rela->r_info = rel->r_info; - switch (GELF_R_TYPE (rel->r_info)) + switch (r_type) { case R_MIPS_REL32: + /* This relocation has an in-place addend. */ + if (reloc_r_type2 (dso, rel->r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, rel->r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, rel->r_info) == RSS_UNDEF); + rela->r_addend = read_une64 (dso, rel->r_offset); + } + else + rela->r_addend = (int32_t) read_une32 (dso, rel->r_offset); + break; + case R_MIPS_TLS_DTPREL32: case R_MIPS_TLS_TPREL32: /* These relocations have an in-place addend. */ rela->r_addend = (int32_t) read_une32 (dso, rel->r_offset); break; + case R_MIPS_TLS_DTPREL64: + case R_MIPS_TLS_TPREL64: + /* These relocations have an in-place addend. */ + rela->r_addend = read_une64 (dso, rel->r_offset); + break; case R_MIPS_NONE: + case R_MIPS_COPY: case R_MIPS_GLOB_DAT: case R_MIPS_TLS_DTPMOD32: + case R_MIPS_TLS_DTPMOD64: /* These relocations have no addend. */ rela->r_addend = 0; break; default: error (0, 0, "%s: Unknown MIPS relocation type %d", dso->filename, - (int) GELF_R_TYPE (rel->r_info)); + r_type); return 1; } return 0; @@ -792,29 +1001,60 @@ mips_rel_to_rela (DSO *dso, GElf_Rel *rel, GElf_Rela *rela) static int mips_rela_to_rel (DSO *dso, GElf_Rela *rela, GElf_Rel *rel) { + GElf_Sxword r_addend; + GElf_Word r_sym; + int r_type; + + r_sym = reloc_r_sym (dso, rela->r_info); + r_type = reloc_r_type (dso, rela->r_info); + r_addend = rela->r_addend; rel->r_offset = rela->r_offset; rel->r_info = rela->r_info; - switch (GELF_R_TYPE (rela->r_info)) + switch (r_type) { case R_MIPS_NONE: + case R_MIPS_COPY: break; + case R_MIPS_GLOB_DAT: + /* This relocation has no addend. */ + r_addend = 0; + /* FALLTHROUGH */ case R_MIPS_REL32: + /* This relocation has an in-place addend. */ + if (reloc_r_type2 (dso, rel->r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, rel->r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, rel->r_info) == RSS_UNDEF); + write_ne64 (dso, rela->r_offset, rela->r_addend); + } + else + write_ne32 (dso, rela->r_offset, rela->r_addend); + break; + + case R_MIPS_TLS_DTPMOD32: + /* This relocation has no addend. */ + r_addend = 0; + /* FALLTHROUGH */ case R_MIPS_TLS_DTPREL32: case R_MIPS_TLS_TPREL32: /* These relocations have an in-place addend. */ write_ne32 (dso, rela->r_offset, rela->r_addend); break; - - case R_MIPS_GLOB_DAT: - case R_MIPS_TLS_DTPMOD32: - /* These relocations have no addend. */ - write_ne32 (dso, rela->r_offset, 0); + case R_MIPS_TLS_DTPMOD64: + /* This relocation has no addend. */ + r_addend = 0; + /* FALLTHROUGH */ + case R_MIPS_TLS_DTPREL64: + case R_MIPS_TLS_TPREL64: + /* These relocations have an in-place addend. */ + write_ne64 (dso, rela->r_offset, rela->r_addend); + break; break; default: error (0, 0, "%s: Unknown MIPS relocation type %d", dso->filename, - (int) GELF_R_TYPE (rela->r_info)); + r_type); return 1; } return 0; @@ -825,64 +1065,91 @@ mips_need_rel_to_rela (DSO *dso, int first, int last) { Elf_Data *data; Elf_Scn *scn; - Elf32_Rel *rel, *relend; + GElf_Shdr shdr; + GElf_Rel rel; + GElf_Word r_sym; + int r_type; + int count; + int i; int n; for (n = first; n <= last; n++) { data = NULL; scn = dso->scn[n]; + gelfx_getshdr (dso->elf, scn, &shdr); while ((data = elf_getdata (scn, data)) != NULL) { - rel = (Elf32_Rel *) data->d_buf; - relend = rel + data->d_size / sizeof (Elf32_Rel); - for (; rel < relend; rel++) - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_MIPS_NONE: - break; - - case R_MIPS_REL32: - /* The SVR4 definition was designed to allow exactly the - sort of prelinking we want to do here, in combination - with Quickstart. Unfortunately, glibc's definition - makes it impossible for relocations against anything - other than the null symbol. We get around this for - zero addends by using a R_MIPS_GLOB_DAT relocation - instead, where R_MIPS_GLOB_DAT is a GNU extension - added specifically for this purpose. */ - if (ELF32_R_SYM (rel->r_info) != 0 - && (ELF32_R_SYM (rel->r_info) < dso->info_DT_MIPS_GOTSYM - || read_une32 (dso, rel->r_offset) != 0)) + count = data->d_size / shdr.sh_entsize; + for (i = 0; i < count; i++) + { + gelfx_getrel (dso->elf, data, i, &rel); + r_type = reloc_r_type (dso, rel.r_info); + r_sym = reloc_r_sym (dso, rel.r_info); + switch (r_type) + { + case R_MIPS_NONE: + case R_MIPS_COPY: + case R_MIPS_JUMP_SLOT: + break; + + case R_MIPS_REL32: + /* The SVR4 definition was designed to allow exactly the + sort of prelinking we want to do here, in combination + with Quickstart. Unfortunately, glibc's definition + makes it impossible for relocations against anything + other than the null symbol. We get around this for + zero addends by using a R_MIPS_GLOB_DAT relocation + instead, where R_MIPS_GLOB_DAT is a GNU extension + added specifically for this purpose. */ + if (r_sym != 0) + { + if (r_sym < dso->info_DT_MIPS_GOTSYM) + return 1; + if (reloc_r_type2 (dso, rel.r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, rel.r_info) + == R_MIPS_NONE); + assert (reloc_r_ssym (dso, rel.r_info) + == RSS_UNDEF); + if (read_une64 (dso, rel.r_offset) != 0) + return 1; + } + else if (read_une32 (dso, rel.r_offset) != 0) + return 1; + } + break; + + case R_MIPS_GLOB_DAT: + /* This relocation has no addend. */ + break; + + case R_MIPS_TLS_DTPMOD32: + case R_MIPS_TLS_DTPMOD64: + /* The relocation will be resolved using a conflict. */ + break; + + case R_MIPS_TLS_DTPREL32: + case R_MIPS_TLS_DTPREL64: + /* We can prelink these fields, and the addend is relative + to the symbol value. A RELA entry is needed. */ return 1; - break; - - case R_MIPS_GLOB_DAT: - /* This relocation has no addend. */ - break; - - case R_MIPS_TLS_DTPMOD32: - /* The relocation will be resolved using a conflict. */ - break; - - case R_MIPS_TLS_DTPREL32: - /* We can prelink these fields, and the addend is relative - to the symbol value. A RELA entry is needed. */ - return 1; - - case R_MIPS_TLS_TPREL32: - /* Relocations in shared libraries will be resolved by a - conflict. Relocations in executables will not, and the - addend is relative to the symbol value. */ - if (dso->ehdr.e_type == ET_EXEC) + + case R_MIPS_TLS_TPREL32: + case R_MIPS_TLS_TPREL64: + /* Relocations in shared libraries will be resolved by a + conflict. Relocations in executables will not, and the + addend is relative to the symbol value. */ + if (dso->ehdr.e_type == ET_EXEC) + return 1; + break; + + default: + error (0, 0, "%s: Unknown MIPS relocation type %d", + dso->filename, r_type); return 1; - break; - - default: - error (0, 0, "%s: Unknown MIPS relocation type %d", - dso->filename, (int) GELF_R_TYPE (rel->r_info)); - return 1; - } + } + } } } return 0; @@ -899,14 +1166,19 @@ mips_reloc_class (int reloc_type) { switch (reloc_type) { + case R_MIPS_COPY: + return RTYPE_CLASS_COPY; + case R_MIPS_JUMP_SLOT: + return RTYPE_CLASS_PLT; case R_MIPS_TLS_DTPMOD32: + case R_MIPS_TLS_DTPMOD64: case R_MIPS_TLS_DTPREL32: + case R_MIPS_TLS_DTPREL64: case R_MIPS_TLS_TPREL32: + case R_MIPS_TLS_TPREL64: return RTYPE_CLASS_TLS; default: - /* MIPS lazy resolution stubs are local to the containing object, - so SHN_UNDEF symbols never participate in symbol lookup. */ - return RTYPE_CLASS_PLT; + return RTYPE_CLASS_VALID; } } @@ -916,8 +1188,33 @@ mips_arch_prelink (struct prelink_info *info) struct mips_global_got_iterator ggi; DSO *dso; GElf_Addr value; + int i; dso = info->dso; + + if (dso->info_DT_MIPS_PLTGOT) + { + /* Write address of .plt into gotplt[1]. This is in each + normal gotplt entry unless prelinking. */ + int sec = addr_to_sec (dso, dso->info_DT_MIPS_PLTGOT); + Elf32_Addr data; + + if (sec == -1) + return 1; + + for (i = 1; i < dso->ehdr.e_shnum; i++) + if (dso->shdr[i].sh_type == SHT_PROGBITS + && ! strcmp (strptr (dso, dso->ehdr.e_shstrndx, + dso->shdr[i].sh_name), + ".plt")) + break; + + if (i == dso->ehdr.e_shnum) + return 0; + data = dso->shdr[i].sh_addr; + write_ne32 (dso, dso->info_DT_MIPS_PLTGOT + 4, data); + } + if (dso->info[DT_PLTGOT] == 0) return 0; @@ -929,7 +1226,7 @@ mips_arch_prelink (struct prelink_info *info) value = info->resolve (info, ggi.sym_index, R_MIPS_REL32); if (ggi.sym.st_shndx == SHN_UNDEF || ggi.sym.st_shndx == SHN_COMMON) - buf_write_ne32 (dso, ggi.got_entry, value); + mips_buf_write_addr (dso, ggi.got_entry, value); else { /* Type E and F in the table above. We cannot install Quickstart @@ -947,7 +1244,7 @@ mips_arch_prelink (struct prelink_info *info) code will cope correctly with malformed type F entries in shared libraries, so we only complain about executables here. */ if (dso->ehdr.e_type == ET_EXEC - && value != buf_read_une32 (dso, ggi.got_entry)) + && value != mips_buf_read_addr (dso, ggi.got_entry)) { error (0, 0, "%s: The global GOT entries for defined symbols" " do not match their st_values\n", dso->filename); @@ -962,6 +1259,30 @@ static int mips_arch_undo_prelink (DSO *dso) { struct mips_global_got_iterator ggi; + int i; + + if (dso->info_DT_MIPS_PLTGOT) + { + /* Clear gotplt[1] if it contains the address of .plt. */ + int sec = addr_to_sec (dso, dso->info_DT_MIPS_PLTGOT); + Elf32_Addr data; + + if (sec == -1) + return 1; + + for (i = 1; i < dso->ehdr.e_shnum; i++) + if (dso->shdr[i].sh_type == SHT_PROGBITS + && ! strcmp (strptr (dso, dso->ehdr.e_shstrndx, + dso->shdr[i].sh_name), + ".plt")) + break; + + if (i == dso->ehdr.e_shnum) + return 0; + data = read_une32 (dso, dso->info_DT_MIPS_PLTGOT + 4); + if (data == dso->shdr[i].sh_addr) + write_ne32 (dso, dso->info_DT_MIPS_PLTGOT + 4, 0); + } if (dso->info[DT_PLTGOT] == 0) return 0; @@ -970,28 +1291,67 @@ mips_arch_undo_prelink (DSO *dso) while (mips_get_global_got_entry (&ggi)) if (ggi.sym.st_shndx == SHN_UNDEF) /* Types A-C in the table above. */ - buf_write_ne32 (dso, ggi.got_entry, ggi.sym.st_value); + mips_buf_write_addr (dso, ggi.got_entry, ggi.sym.st_value); else if (ggi.sym.st_shndx == SHN_COMMON) /* Type D in the table above. */ - buf_write_ne32 (dso, ggi.got_entry, 0); + mips_buf_write_addr (dso, ggi.got_entry, 0); return ggi.failed; } static int mips_undo_prelink_rel (DSO *dso, GElf_Rel *rel, GElf_Addr reladdr) { + int sec; + const char *name; + GElf_Word r_sym; + int r_type; + /* Convert R_MIPS_GLOB_DAT relocations back into R_MIPS_REL32 relocations. Ideally we'd have some mechanism for recording these changes in the undo section, but in the absence of that, it's better to assume that the original relocation was R_MIPS_REL32; R_MIPS_GLOB_DAT was added specifically for the prelinker and shouldn't be used in non-prelinked binaries. */ - if (GELF_R_TYPE (rel->r_info) == R_MIPS_GLOB_DAT) + r_sym = reloc_r_sym (dso, rel->r_info); + r_type = reloc_r_type (dso, rel->r_info); + if (r_type == R_MIPS_GLOB_DAT) { - write_ne32 (dso, rel->r_offset, 0); - rel->r_info = GELF_R_INFO (GELF_R_SYM (rel->r_info), R_MIPS_REL32); + if (reloc_r_type2 (dso, rel->r_info) == R_MIPS_64) + { + assert (reloc_r_type3 (dso, rel->r_info) == R_MIPS_NONE); + assert (reloc_r_ssym (dso, rel->r_info) == RSS_UNDEF); + write_ne64 (dso, rel->r_offset, 0); + } + else + write_ne32 (dso, rel->r_offset, 0); + rel->r_info = reloc_r_info_ext (dso, + r_sym, reloc_r_ssym (dso, rel->r_info), + R_MIPS_REL32, + reloc_r_type2 (dso, rel->r_info), + reloc_r_type3 (dso, rel->r_info)); return 2; } + else if (r_type == R_MIPS_JUMP_SLOT) + { + sec = addr_to_sec (dso, rel->r_offset); + name = strptr (dso, dso->ehdr.e_shstrndx, dso->shdr[sec].sh_name); + if (sec == -1 || strcmp (name, ".got.plt")) + { + error (0, 0, + "%s: R_MIPS_JUMP_SLOT not pointing into .got.plt section", + dso->filename); + return 1; + } + else + { + Elf32_Addr data = read_une32 (dso, dso->shdr[sec].sh_addr + 4); + + assert (rel->r_offset >= dso->shdr[sec].sh_addr + 8); + assert (((rel->r_offset - dso->shdr[sec].sh_addr) & 3) == 0); + write_ne32 (dso, rel->r_offset, data); + } + } + return 0; } @@ -1001,10 +1361,9 @@ PL_ARCH(mips) = { .machine = EM_MIPS, .max_reloc_size = 4, .dynamic_linker = "/lib/ld.so.1", - /* MIPS does not use COPY relocs or jump slots. Pick a value outside - the ELF32_R_TYPE range. */ - .R_COPY = ~0U, - .R_JMP_SLOT = ~0U, + .dynamic_linker_alt = "/lib32/ld.so.1", + .R_COPY = R_MIPS_COPY, + .R_JMP_SLOT = R_MIPS_JUMP_SLOT, /* R_MIPS_REL32 relocations against symbol 0 do act as relative relocs, but those against other symbols don't. */ .R_RELATIVE = ~0U, @@ -1039,3 +1398,46 @@ PL_ARCH(mips) = { .max_page_size = 0x10000, .page_size = 0x1000 }; + +PL_ARCH(mips64) = { + .name = "MIPS64", + .class = ELFCLASS64, + .machine = EM_MIPS, + .max_reloc_size = 8, + .dynamic_linker = "/lib/ld.so.1", + .dynamic_linker_alt = "/lib64/ld.so.1", + .R_COPY = R_MIPS_COPY, + .R_JMP_SLOT = R_MIPS_JUMP_SLOT, + /* R_MIPS_REL32 relocations against symbol 0 do act as relative relocs, + but those against other symbols don't. */ + .R_RELATIVE = ~0U, + .arch_adjust = mips_arch_adjust, + .adjust_dyn = mips_adjust_dyn, + .adjust_rel = mips_adjust_rel, + .adjust_rela = mips_adjust_rela, + .prelink_rel = mips_prelink_rel, + .prelink_rela = mips_prelink_rela, + .prelink_conflict_rel = mips_prelink_conflict_rel, + .prelink_conflict_rela = mips_prelink_conflict_rela, + .arch_prelink_conflict = mips_arch_prelink_conflict, + .apply_conflict_rela = mips_apply_conflict_rela, + .apply_rel = mips_apply_rel, + .apply_rela = mips_apply_rela, + .rel_to_rela = mips_rel_to_rela, + .rela_to_rel = mips_rela_to_rel, + .need_rel_to_rela = mips_need_rel_to_rela, + .reloc_size = mips_reloc_size, + .reloc_class = mips_reloc_class, + .arch_prelink = mips_arch_prelink, + .arch_undo_prelink = mips_arch_undo_prelink, + .undo_prelink_rel = mips_undo_prelink_rel, + /* Although TASK_UNMAPPED_BASE is 0x5555556000, we leave some + area so that mmap of /etc/ld.so.cache and ld.so's malloc + does not take some library's VA slot. + Also, if this guard area isn't too small, typically + even dlopened libraries will get the slots they desire. */ + .mmap_base = 0x5800000000LL, + .mmap_end = 0x9800000000LL, + .max_page_size = 0x10000, + .page_size = 0x1000 +}; diff --git a/trunk/src/arch-sh.c b/trunk/src/arch-sh.c index f5b0636..1b11312 100644 --- a/trunk/src/arch-sh.c +++ b/trunk/src/arch-sh.c @@ -355,7 +355,7 @@ sh_undo_prelink_rela (DSO *dso, GElf_Rela *rela, GElf_Addr relaaddr) break; case R_SH_RELATIVE: if (rela->r_addend) - write_le32 (dso, rela->r_offset, 0); + write_ne32 (dso, rela->r_offset, 0); break; case R_SH_JMP_SLOT: sec = addr_to_sec (dso, rela->r_offset); @@ -448,6 +448,6 @@ PL_ARCH(sh) = { even dlopened libraries will get the slots they desire. */ .mmap_base = 0x30000000, .mmap_end = 0x40000000, - .max_page_size = 0x2000, + .max_page_size = 0x10000, .page_size = 0x1000 }; diff --git a/trunk/src/cache.c b/trunk/src/cache.c index b677e22..4c6bffd 100644 --- a/trunk/src/cache.c +++ b/trunk/src/cache.c @@ -113,7 +113,7 @@ prelink_find_entry (const char *filename, const struct stat64 *stp, if (! stp) { canon_filename = prelink_canonicalize (filename, &st); - if (canon_filename == NULL && stat64 (filename, &st) < 0) + if (canon_filename == NULL && wrap_stat64 (filename, &st) < 0) { error (0, errno, "Could not stat %s", filename); if (insert) @@ -364,7 +364,7 @@ prelink_load_cache (void) size_t cache_size; uint32_t string_start, *dep; - fd = open (prelink_cache, O_RDONLY); + fd = wrap_open (prelink_cache, O_RDONLY); if (fd < 0) return 0; /* The cache does not exist yet. */ @@ -672,7 +672,7 @@ prelink_save_cache (int do_warn) char prelink_cache_tmp [prelink_cache_len + sizeof (".XXXXXX")]; memcpy (mempcpy (prelink_cache_tmp, prelink_cache, prelink_cache_len), ".XXXXXX", sizeof (".XXXXXX")); - fd = mkstemp (prelink_cache_tmp); + fd = wrap_mkstemp (prelink_cache_tmp); if (fd < 0) { error (0, errno, "Could not write prelink cache"); @@ -682,11 +682,12 @@ prelink_save_cache (int do_warn) if (write (fd, &cache, sizeof (cache)) != sizeof (cache) || write (fd, data, len) != len || fchmod (fd, 0644) + || fsync (fd) || close (fd) - || rename (prelink_cache_tmp, prelink_cache)) + || wrap_rename (prelink_cache_tmp, prelink_cache)) { error (0, errno, "Could not write prelink cache"); - unlink (prelink_cache_tmp); + wrap_unlink (prelink_cache_tmp); return 1; } return 0; diff --git a/trunk/src/canonicalize.c b/trunk/src/canonicalize.c index 79df44e..717e991 100644 --- a/trunk/src/canonicalize.c +++ b/trunk/src/canonicalize.c @@ -28,6 +28,7 @@ #include <stddef.h> #include "hashtab.h" +#include "prelink.h" htab_t prelink_dirname_htab; @@ -72,14 +73,17 @@ dirname_eq (const void *p, const void *q) separators ('/') or symlinks. All path components must exist. The result is malloc'd. */ -static char * -canon_filename (const char *name, int nested, struct stat64 *stp) +char * +canon_filename (const char *name, int nested, struct stat64 *stp, + const char *chroot, int allow_last_link, + int allow_missing) { - char *rpath, *dest, *extra_buf = NULL; + char *rpath, *dest, *extra_buf = NULL, *rpath_root; const char *start, *end, *rpath_limit; long int path_max; int num_links = 0; int stp_initialized = 0; + int chroot_len; if (name == NULL) { @@ -92,6 +96,9 @@ canon_filename (const char *name, int nested, struct stat64 *stp) errno = ENOENT; return NULL; } + chroot_len = strlen (chroot); + if (chroot_len > 0 && chroot[chroot_len - 1] == '/') + chroot_len--; #ifdef PATH_MAX path_max = PATH_MAX; @@ -101,7 +108,7 @@ canon_filename (const char *name, int nested, struct stat64 *stp) path_max = 1024; #endif - rpath = malloc (path_max); + rpath = malloc (path_max + chroot_len + 1); if (rpath == NULL) return NULL; rpath_limit = rpath + path_max; @@ -113,12 +120,32 @@ canon_filename (const char *name, int nested, struct stat64 *stp) rpath[0] = '\0'; goto error; } - dest = strchr (rpath, '\0'); + if (chroot_len > 0) + { + struct stat64 st; + char *cwd = canon_filename (rpath, 1, &st, chroot, 0, 0); + if (cwd == NULL) + goto error; + if (memcmp (cwd, chroot, chroot_len) != 0) + goto error; + strcpy (rpath, cwd); + free (cwd); + rpath_root = rpath + chroot_len; + } + else + rpath_root = rpath; + + dest = strchr (rpath_root, '\0'); } else { - rpath[0] = '/'; - dest = rpath + 1; + if (chroot_len > 0) + rpath_root = (char *) mempcpy (rpath, chroot, chroot_len); + else + rpath_root = rpath; + + rpath_root[0] = '/'; + dest = rpath_root + 1; if (!nested) { @@ -151,7 +178,8 @@ canon_filename (const char *name, int nested, struct stat64 *stp) ep->dirname_len = e.dirname_len; memcpy (dirname, name, ep->dirname_len); dirname[ep->dirname_len] = '\0'; - ep->canon_dirname = canon_filename (ep->dirname, 1, &st); + ep->canon_dirname = canon_filename (ep->dirname, 1, &st, + chroot, 0, 0); if (ep->canon_dirname == NULL || !S_ISDIR (st.st_mode)) free (ep); else @@ -168,10 +196,11 @@ canon_filename (const char *name, int nested, struct stat64 *stp) if (rpath + ep->canon_dirname_len + 1 >= rpath_limit) { - size_t new_size; + size_t new_size, root_size; char *new_rpath; new_size = rpath_limit - rpath; + root_size = rpath_root - rpath; if (ep->canon_dirname_len + 1 > path_max) new_size += ep->canon_dirname_len + 1; else @@ -181,6 +210,7 @@ canon_filename (const char *name, int nested, struct stat64 *stp) goto error; rpath = new_rpath; rpath_limit = rpath + new_size; + rpath_root = rpath + root_size; } dest = mempcpy (rpath, ep->canon_dirname, ep->canon_dirname_len); *dest = '\0'; @@ -208,7 +238,7 @@ canon_filename (const char *name, int nested, struct stat64 *stp) else if (end - start == 2 && start[0] == '.' && start[1] == '.') { /* Back up to previous component, ignore if at root already. */ - if (dest > rpath + 1) + if (dest > rpath_root + 1) while ((--dest)[-1] != '/'); stp_initialized = 0; } @@ -222,6 +252,7 @@ canon_filename (const char *name, int nested, struct stat64 *stp) if (dest + (end - start) >= rpath_limit) { ptrdiff_t dest_offset = dest - rpath; + size_t root_size = rpath_root - rpath; char *new_rpath; new_size = rpath_limit - rpath; @@ -234,6 +265,7 @@ canon_filename (const char *name, int nested, struct stat64 *stp) goto error; rpath = new_rpath; rpath_limit = rpath + new_size; + rpath_root = rpath + root_size; dest = rpath + dest_offset; } @@ -241,8 +273,15 @@ canon_filename (const char *name, int nested, struct stat64 *stp) dest = mempcpy (dest, start, end - start); *dest = '\0'; + if (allow_last_link && *end == '\0') + break; + if (lstat64 (rpath, stp) < 0) - goto error; + { + if (allow_missing && *end == '\0') + break; + goto error; + } stp_initialized = 1; @@ -259,7 +298,11 @@ canon_filename (const char *name, int nested, struct stat64 *stp) n = readlink (rpath, buf, path_max); if (n < 0) - goto error; + { + if (allow_missing && *end == '\0') + break; + goto error; + } buf[n] = '\0'; if (!extra_buf) @@ -277,10 +320,10 @@ canon_filename (const char *name, int nested, struct stat64 *stp) name = end = memcpy (extra_buf, buf, n); if (buf[0] == '/') - dest = rpath + 1; /* It's an absolute symlink */ + dest = rpath_root + 1; /* It's an absolute symlink */ else /* Back up to previous component, ignore if at root already: */ - if (dest > rpath + 1) + if (dest > rpath_root + 1) while ((--dest)[-1] != '/'); } else if (!S_ISDIR (stp->st_mode) && *end != '\0') @@ -294,7 +337,8 @@ canon_filename (const char *name, int nested, struct stat64 *stp) --dest; *dest = '\0'; - if (!stp_initialized && lstat64 (rpath, stp) < 0) + if (!stp_initialized && !allow_missing && !allow_last_link + && lstat64 (rpath, stp) < 0) goto error; if (dest + 1 - rpath <= (rpath_limit - rpath) / 2) @@ -311,9 +355,20 @@ error: return NULL; } +char *unsysroot_file_name (const char *name); + char * prelink_canonicalize (const char *name, struct stat64 *stp) { struct stat64 st; - return canon_filename (name, 0, stp ? stp : &st); + char *canon, *final; + + canon = canon_filename (name, 0, stp ? stp : &st, + sysroot ? sysroot : "", 0, 0); + if (canon == NULL) + return NULL; + final = unsysroot_file_name (canon); + if (final != canon) + free (canon); + return final; } diff --git a/trunk/src/conflict.c b/trunk/src/conflict.c index 9c936ce..a1fb1ec 100644 --- a/trunk/src/conflict.c +++ b/trunk/src/conflict.c @@ -1,5 +1,7 @@ /* Copyright (C) 2001, 2002, 2003, 2004, 2007, 2009 Red Hat, Inc. + Copyright (C) 2008 CodeSourcery. Written by Jakub Jelinek <jakub@redhat.com>, 2001. + Updated by Maciej W. Rozycki <macro@codesourcery.com>, 2008. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -25,6 +27,7 @@ #include <unistd.h> #include "prelink.h" #include "reloc.h" +#include "reloc-info.h" struct prelink_conflict * prelink_conflict (struct prelink_info *info, GElf_Word r_sym, @@ -143,7 +146,7 @@ prelink_add_copy_rel (DSO *dso, int n, GElf_Rel *rel, struct copy_relocs *cr) Elf_Scn *scn = dso->scn[symsec]; GElf_Sym sym; size_t entsize = dso->shdr[symsec].sh_entsize; - off_t off = GELF_R_SYM (rel->r_info) * entsize; + off_t off = reloc_r_sym (dso, rel->r_info) * entsize; while ((data = elf_getdata (scn, data)) != NULL) { @@ -199,7 +202,7 @@ prelink_find_copy_rel (DSO *dso, int n, struct copy_relocs *cr) if (sec == -1) continue; - if (GELF_R_TYPE (rel.r_info) == dso->arch->R_COPY + if (reloc_r_type (dso, rel.r_info) == dso->arch->R_COPY && prelink_add_copy_rel (dso, n, &rel, cr)) return 1; } @@ -228,7 +231,7 @@ prelink_find_copy_rela (DSO *dso, int n, struct copy_relocs *cr) if (sec == -1) continue; - if (GELF_R_TYPE (u.rela.r_info) == dso->arch->R_COPY) + if (reloc_r_type (dso, u.rela.r_info) == dso->arch->R_COPY) { if (u.rela.r_addend != 0) { @@ -257,15 +260,18 @@ rela_cmp (const void *A, const void *B) return 0; } +static DSO *conflict_rela_cmp_dso; + static int conflict_rela_cmp (const void *A, const void *B) { + DSO *dso = conflict_rela_cmp_dso; GElf_Rela *a = (GElf_Rela *)A; GElf_Rela *b = (GElf_Rela *)B; - if (GELF_R_SYM (a->r_info) < GELF_R_SYM (b->r_info)) + if (reloc_r_sym (dso, a->r_info) < reloc_r_sym (dso, b->r_info)) return -1; - if (GELF_R_SYM (a->r_info) > GELF_R_SYM (b->r_info)) + if (reloc_r_sym (dso, a->r_info) > reloc_r_sym (dso, b->r_info)) return 1; if (a->r_offset < b->r_offset) return -1; @@ -330,7 +336,7 @@ get_relocated_mem (struct prelink_info *info, DSO *dso, GElf_Addr addr, <= addr) continue; - reloc_type = GELF_R_TYPE (info->conflict_rela[j].r_info); + reloc_type = reloc_r_type (dso, info->conflict_rela[j].r_info); reloc_size = dso->arch->reloc_size (reloc_type); if (info->conflict_rela[j].r_offset + reloc_size <= addr) continue; @@ -414,7 +420,7 @@ get_relocated_mem (struct prelink_info *info, DSO *dso, GElf_Addr addr, if (u.rel.r_offset + dso->arch->max_reloc_size <= addr) continue; - reloc_type = GELF_R_TYPE (u.rel.r_info); + reloc_type = reloc_r_type (dso, u.rel.r_info); reloc_size = dso->arch->reloc_size (reloc_type); if (u.rel.r_offset + reloc_size <= addr) continue; @@ -605,7 +611,8 @@ prelink_build_conflicts (struct prelink_info *info) /* Record library's position in search scope into R_SYM field. */ for (j = first_conflict; j < info->conflict_rela_size; ++j) info->conflict_rela[j].r_info - = GELF_R_INFO (i, GELF_R_TYPE (info->conflict_rela[j].r_info)); + = reloc_r_info (dso, i, + reloc_r_type (dso, info->conflict_rela[j].r_info)); if (dynamic_info_is_set (dso, DT_TEXTREL) && info->conflict_rela_size > first_conflict) @@ -737,11 +744,11 @@ prelink_build_conflicts (struct prelink_info *info) int j, reloc_class; reloc_class - = dso->arch->reloc_class (GELF_R_TYPE (cr.rela[i].r_info)); + = dso->arch->reloc_class (reloc_r_type (dso, cr.rela[i].r_info)); assert (reloc_class != RTYPE_CLASS_TLS); - for (s = & info->symbols[GELF_R_SYM (cr.rela[i].r_info)]; s; + for (s = & info->symbols[reloc_r_sym (dso, cr.rela[i].r_info)]; s; s = s->next) if (s->reloc_class == reloc_class) break; @@ -790,13 +797,15 @@ prelink_build_conflicts (struct prelink_info *info) if (info->conflict_rela_size) { + conflict_rela_cmp_dso = dso; qsort (info->conflict_rela, info->conflict_rela_size, sizeof (GElf_Rela), conflict_rela_cmp); /* Now make sure all conflict RELA's are against absolute 0 symbol. */ for (i = 0; i < info->conflict_rela_size; ++i) info->conflict_rela[i].r_info - = GELF_R_INFO (0, GELF_R_TYPE (info->conflict_rela[i].r_info)); + = reloc_r_info (dso, 0, + reloc_r_type (dso, info->conflict_rela[i].r_info)); if (enable_cxx_optimizations && remove_redundant_cxx_conflicts (info)) goto error_out; diff --git a/trunk/src/cxx.c b/trunk/src/cxx.c index 9a20b3c..4391ebe 100644 --- a/trunk/src/cxx.c +++ b/trunk/src/cxx.c @@ -26,6 +26,7 @@ #include <unistd.h> #include <sys/wait.h> #include "prelink.h" +#include "reloc-info.h" static struct { @@ -338,10 +339,10 @@ remove_redundant_cxx_conflicts (struct prelink_info *info) { size_t cidx; - reloc_type = GELF_R_TYPE (info->conflict_rela[i].r_info); + reloc_type = reloc_r_type (info->dso, info->conflict_rela[i].r_info); reloc_size = info->dso->arch->reloc_size (reloc_type); - if (GELF_R_SYM (info->conflict_rela[i].r_info) != 0) + if (reloc_r_sym (info->dso, info->conflict_rela[i].r_info) != 0) continue; if (state @@ -471,7 +472,8 @@ remove_noref: (int) (info->conflict_rela[i].r_offset - fcs1.sym.st_value)); info->conflict_rela[i].r_info = - GELF_R_INFO (1, GELF_R_TYPE (info->conflict_rela[i].r_info)); + reloc_r_info (info->dso, 1, + reloc_r_type (info->dso, info->conflict_rela[i].r_info)); ++removed; continue; @@ -608,7 +610,7 @@ pltref_remove: - fcs1.sym.st_value)); info->conflict_rela[i].r_info = - GELF_R_INFO (1, GELF_R_TYPE (info->conflict_rela[i].r_info)); + reloc_r_info (info->dso, 1, reloc_r_type (info->dso, info->conflict_rela[i].r_info)); ++removed; goto pltref_check_done; } @@ -622,7 +624,7 @@ pltref_check_done: if (removed) { for (i = 0, j = 0; i < info->conflict_rela_size; ++i) - if (GELF_R_SYM (info->conflict_rela[i].r_info) == 0) + if (reloc_r_sym (info->dso, info->conflict_rela[i].r_info) == 0) { if (i != j) info->conflict_rela[j] = info->conflict_rela[i]; diff --git a/trunk/src/data.c b/trunk/src/data.c index 742d6b3..751f96f 100644 --- a/trunk/src/data.c +++ b/trunk/src/data.c @@ -22,12 +22,16 @@ uint##nn##_t \ read_u##le##nn (DSO *dso, GElf_Addr addr) \ { \ - unsigned char *data = get_data (dso, addr, NULL); \ + Elf_Type type; \ + unsigned char *data = get_data (dso, addr, NULL, &type); \ \ if (data == NULL) \ return 0; \ \ - return buf_read_u##le##nn (data); \ + if (type == ELF_T_BYTE) \ + return buf_read_u##le##nn (data); \ + else \ + return *(uint##nn##_t *)data; \ } #define WRITE(le,nn) \ @@ -35,12 +39,16 @@ int \ write_##le##nn (DSO *dso, GElf_Addr addr, uint##nn##_t val) \ { \ int sec; \ - unsigned char *data = get_data (dso, addr, &sec); \ + Elf_Type type; \ + unsigned char *data = get_data (dso, addr, &sec, &type); \ \ if (data == NULL) \ return -1; \ \ - buf_write_##le##nn (data, val); \ + if (type == ELF_T_BYTE) \ + buf_write_##le##nn (data, val); \ + else \ + *(uint##nn##_t *)data = val; \ elf_flagscn (dso->scn[sec], ELF_C_SET, ELF_F_DIRTY); \ return 0; \ } @@ -50,9 +58,9 @@ uint##nn##_t \ buf_read_une##nn (DSO *dso, unsigned char *buf) \ { \ if (dso->ehdr.e_ident[EI_DATA] == ELFDATA2LSB) \ - return buf_read_ule32 (buf); \ + return buf_read_ule##nn (buf); \ else \ - return buf_read_ube32 (buf); \ + return buf_read_ube##nn (buf); \ } #define READUNE(nn) \ @@ -93,7 +101,7 @@ buf_write_ne##nn (DSO *dso, unsigned char *buf, \ WRITENE(nn) BUFWRITENE(nn) unsigned char * -get_data (DSO *dso, GElf_Addr addr, int *secp) +get_data (DSO *dso, GElf_Addr addr, int *secp, Elf_Type *typep) { int sec = addr_to_sec (dso, addr); Elf_Data *data = NULL; @@ -107,8 +115,10 @@ get_data (DSO *dso, GElf_Addr addr, int *secp) addr -= dso->shdr[sec].sh_addr; while ((data = elf_getdata (dso->scn[sec], data)) != NULL) if (data->d_off <= addr && data->d_off + data->d_size > addr) + { + if (typep) *typep = data->d_type; return (unsigned char *) data->d_buf + (addr - data->d_off); - + } return NULL; } diff --git a/trunk/src/doit.c b/trunk/src/doit.c index a289dd7..c94fc53 100644 --- a/trunk/src/doit.c +++ b/trunk/src/doit.c @@ -145,7 +145,7 @@ prelink_ent (struct prelink_entry *ent) { size_t len; - if (lstat64 (hardlink->canon_filename, &st) < 0) + if (wrap_lstat64 (hardlink->canon_filename, &st) < 0) { error (0, 0, "Could not stat %s (former hardlink to %s)", hardlink->canon_filename, ent->canon_filename); @@ -188,19 +188,19 @@ prelink_ent (struct prelink_entry *ent) memcpy (mempcpy (move, hardlink->canon_filename, len), ".#prelink#", sizeof (".#prelink#")); - if (rename (hardlink->canon_filename, move) < 0) + if (wrap_rename (hardlink->canon_filename, move) < 0) { error (0, errno, "Could not hardlink %s to %s", hardlink->canon_filename, ent->canon_filename); continue; } - if (link (ent->canon_filename, hardlink->canon_filename) < 0) + if (wrap_link (ent->canon_filename, hardlink->canon_filename) < 0) { error (0, errno, "Could not hardlink %s to %s", hardlink->canon_filename, ent->canon_filename); - if (rename (move, hardlink->canon_filename) < 0) + if (wrap_rename (move, hardlink->canon_filename) < 0) { error (0, errno, "Could not rename %s back to %s", move, hardlink->canon_filename); @@ -208,7 +208,7 @@ prelink_ent (struct prelink_entry *ent) continue; } - if (unlink (move) < 0) + if (wrap_unlink (move) < 0) { error (0, errno, "Could not unlink %s", move); continue; @@ -216,7 +216,7 @@ prelink_ent (struct prelink_entry *ent) } free (move); - if (! dry_run && stat64 (ent->canon_filename, &st) >= 0) + if (! dry_run && wrap_stat64 (ent->canon_filename, &st) >= 0) { ent->dev = st.st_dev; ent->ino = st.st_ino; diff --git a/trunk/src/dso.c b/trunk/src/dso.c index 86e9534..2325427 100644 --- a/trunk/src/dso.c +++ b/trunk/src/dso.c @@ -117,6 +117,8 @@ read_dynamic (DSO *dso) dso->info_DT_MIPS_GOTSYM = dyn.d_un.d_val; else if (dyn.d_tag == DT_MIPS_SYMTABNO) dso->info_DT_MIPS_SYMTABNO = dyn.d_un.d_val; + else if (dyn.d_tag == DT_MIPS_PLTGOT) + dso->info_DT_MIPS_PLTGOT = dyn.d_un.d_val; } } if (ndx < maxndx) @@ -223,6 +225,15 @@ check_dso (DSO *dso) || (dso->shdr[i].sh_type != SHT_NOBITS && dso->shdr[i].sh_size != 0)) last = i; } + +#ifndef DSO_READONLY + if (dso_has_bad_textrel (dso)) + { + error (0, 0, "%s has text relocations", dso->filename); + return 1; + } +#endif + return 0; } @@ -231,7 +242,7 @@ open_dso (const char *name) { int fd; - fd = open (name, O_RDONLY); + fd = wrap_open (name, O_RDONLY); if (fd == -1) { error (0, errno, "cannot open \"%s\"", name); @@ -273,8 +284,10 @@ fdopen_dso (int fd, const char *name) GElf_Addr last_off; int i, j, k, last, *sections, *invsections; DSO *dso = NULL; +#ifndef DSO_READONLY struct PLArch *plarch; extern struct PLArch __start_pl_arch[], __stop_pl_arch[]; +#endif /* DSO_READONLY */ elf = elf_begin (fd, ELF_C_READ, NULL); if (elf == NULL) @@ -402,6 +415,7 @@ fdopen_dso (int fd, const char *name) invsections[sections[i]] = i; } +#ifndef DSO_READONLY if (j) { dso->move = init_section_move (dso); @@ -410,6 +424,7 @@ fdopen_dso (int fd, const char *name) memcpy (dso->move->old_to_new, invsections, dso->ehdr.e_shnum * sizeof (int)); memcpy (dso->move->new_to_old, sections, dso->ehdr.e_shnum * sizeof (int)); } +#endif /* DSO_READONLY */ last_off = 0; for (i = 1; i < ehdr.e_shnum; ++i) @@ -468,6 +483,7 @@ fdopen_dso (int fd, const char *name) } dso->ehdr.e_shstrndx = invsections[dso->ehdr.e_shstrndx]; +#ifndef DSO_READONLY for (plarch = __start_pl_arch; plarch < __stop_pl_arch; plarch++) if (plarch->class == ehdr.e_ident[EI_CLASS] && (plarch->machine == ehdr.e_machine @@ -483,6 +499,9 @@ fdopen_dso (int fd, const char *name) } dso->arch = plarch; +#else + dso->arch = NULL; +#endif /* DSO_READONLY */ dso->base = ~(GElf_Addr) 0; dso->align = 0; @@ -517,11 +536,12 @@ fdopen_dso (int fd, const char *name) const char *soname; soname = get_data (dso, dso->info[DT_STRTAB] + dso->info[DT_SONAME], - NULL); + NULL, NULL); if (soname && soname[0] != '\0') dso->soname = (const char *) strdup (soname); } +#ifndef DSO_READONLY if (dso->arch->machine == EM_ALPHA || dso->arch->machine == EM_MIPS) for (i = 1; i < ehdr.e_shnum; ++i) @@ -538,6 +558,7 @@ fdopen_dso (int fd, const char *name) break; } } +#endif /* DSO_READONLY */ return dso; @@ -553,10 +574,14 @@ error_out: if (elf) elf_end (elf); if (fd != -1) - close (fd); + { + fsync (fd); + close (fd); + } return NULL; } +#ifndef DSO_READONLY static int adjust_symtab_section_indices (DSO *dso, int n, int old_shnum, int *old_to_new) { @@ -767,15 +792,15 @@ reopen_dso (DSO *dso, struct section_move *move, const char *temp_base) temp_base = dso->filename; sprintf (filename, "%s.#prelink#.XXXXXX", temp_base); - fd = mkstemp (filename); + fd = wrap_mkstemp (filename); if (fd == -1) { strcpy (filename, "/tmp/#prelink#.XXXXXX"); - fd = mkstemp (filename); + fd = wrap_mkstemp (filename); if (fd == -1) { strcpy (filename, "/dev/shm/#prelink#.XXXXXX"); - fd = mkstemp (filename); + fd = wrap_mkstemp (filename); } if (fd == -1) { @@ -1017,7 +1042,8 @@ error_out: elf_end (elf); if (fd != -1) { - unlink (filename); + wrap_unlink (filename); + fsync (fd); close (fd); } return 1; @@ -1032,7 +1058,9 @@ adjust_symbol_p (DSO *dso, GElf_Sym *sym) { if (sym->st_shndx == SHN_ABS && sym->st_value != 0 - && GELF_ST_TYPE (sym->st_info) <= STT_FUNC) + && (GELF_ST_TYPE (sym->st_info) <= STT_FUNC + || (dso->ehdr.e_machine == EM_ARM + && GELF_ST_TYPE (sym->st_info) == STT_ARM_TFUNC))) /* This is problematic. How do we find out if we should relocate this? Assume we should. */ return 1; @@ -1080,6 +1108,7 @@ adjust_symtab (DSO *dso, int n, GElf_Addr start, GElf_Addr adjust) elf_flagscn (scn, ELF_C_SET, ELF_F_DIRTY); return 0; } +#endif /* DSO_READONLY */ int dso_is_rdwr (DSO *dso) @@ -1087,6 +1116,7 @@ dso_is_rdwr (DSO *dso) return dso->elfro != NULL; } +#ifndef DSO_READONLY GElf_Addr adjust_old_to_new (DSO *dso, GElf_Addr addr) { @@ -1189,6 +1219,7 @@ adjust_dynamic (DSO *dso, int n, GElf_Addr start, GElf_Addr adjust) read_dynamic (dso); return 0; } +#endif /* DSO_READONLY */ int addr_to_sec (DSO *dso, GElf_Addr addr) @@ -1210,6 +1241,7 @@ addr_to_sec (DSO *dso, GElf_Addr addr) return -1; } +#ifndef DSO_READONLY static int adjust_rel (DSO *dso, int n, GElf_Addr start, GElf_Addr adjust) { @@ -1383,6 +1415,7 @@ adjust_dso (DSO *dso, GElf_Addr start, GElf_Addr adjust) switch (dso->shdr[i].sh_type) { case SHT_PROGBITS: + case SHT_MIPS_DWARF: name = strptr (dso, dso->ehdr.e_shstrndx, dso->shdr[i].sh_name); if (strcmp (name, ".stab") == 0 && adjust_stabs (dso, i, start, adjust)) @@ -1406,12 +1439,15 @@ adjust_dso (DSO *dso, GElf_Addr start, GElf_Addr adjust) return 1; break; case SHT_REL: - if (adjust_rel (dso, i, start, adjust)) - return 1; + /* Don't adjust reloc sections for debug info. */ + if (dso->shdr[i].sh_flags & SHF_ALLOC) + if (adjust_rel (dso, i, start, adjust)) + return 1; break; case SHT_RELA: - if (adjust_rela (dso, i, start, adjust)) - return 1; + if (dso->shdr[i].sh_flags & SHF_ALLOC) + if (adjust_rela (dso, i, start, adjust)) + return 1; break; } if ((dso->arch->machine == EM_ALPHA @@ -1610,6 +1646,7 @@ relocate_dso (DSO *dso, GElf_Addr base) return adjust_dso (dso, 0, base - dso->base); } +#endif /* DSO_READONLY */ static int close_dso_1 (DSO *dso) @@ -1632,10 +1669,12 @@ close_dso_1 (DSO *dso) } elf_end (dso->elf); + fsync (dso->fd); close (dso->fd); if (dso->elfro) { elf_end (dso->elfro); + fsync (dso->fdro); close (dso->fdro); } if (dso->filename != dso->soname) @@ -1655,11 +1694,12 @@ close_dso (DSO *dso) int rdwr = dso_is_rdwr (dso); if (rdwr && dso->temp_filename != NULL) - unlink (dso->temp_filename); + wrap_unlink (dso->temp_filename); close_dso_1 (dso); return 0; } +#ifndef DSO_READONLY int prepare_write_dso (DSO *dso) { @@ -1699,7 +1739,7 @@ write_dso (DSO *dso) static int copy_xattrs (const char *temp_name, const char *name, int ignore_errors) { - ssize_t sz = listxattr (name, NULL, 0), valsz = 0; + ssize_t sz = wrap_listxattr (name, NULL, 0), valsz = 0; char *list = NULL, *end, *p, *val = NULL, *newval; if (sz < 0) @@ -1711,7 +1751,7 @@ copy_xattrs (const char *temp_name, const char *name, int ignore_errors) list = malloc (sz + 1); if (list == NULL) goto read_err; - sz = listxattr (name, list, sz); + sz = wrap_listxattr (name, list, sz); if (sz < 0) goto read_err; end = list + sz; @@ -1721,12 +1761,12 @@ copy_xattrs (const char *temp_name, const char *name, int ignore_errors) continue; else { - sz = getxattr (name, p, val, valsz); + sz = wrap_getxattr (name, p, val, valsz); if (sz < 0) { if (errno != ERANGE) goto read_err; - sz = getxattr (name, p, NULL, 0); + sz = wrap_getxattr (name, p, NULL, 0); if (sz < 0) goto read_err; } @@ -1739,11 +1779,11 @@ copy_xattrs (const char *temp_name, const char *name, int ignore_errors) if (newval == NULL) goto read_err; val = newval; - sz = getxattr (name, p, val, valsz); + sz = wrap_getxattr (name, p, val, valsz); if (sz < 0) goto read_err; } - if (setxattr (temp_name, p, val, sz, 0) < 0) + if (wrap_setxattr (temp_name, p, val, sz, 0) < 0) { if (errno == ENOSYS || errno == ENOTSUP) continue; @@ -1754,7 +1794,7 @@ copy_xattrs (const char *temp_name, const char *name, int ignore_errors) newval = malloc (sz); if (newval == NULL - || (newsz = getxattr (temp_name, p, newval, sz)) != sz + || (newsz = wrap_getxattr (temp_name, p, newval, sz)) != sz || memcmp (val, newval, sz) != 0) { error (0, err, "Could not set extended attributes for %s", @@ -1811,7 +1851,7 @@ set_security_context (const char *temp_name, const char *name, } freecon (scontext); } -#endif +#endif /* USE_SELINUX */ return copy_xattrs (temp_name, name, ignore_errors); } @@ -1826,7 +1866,7 @@ copy_fd_to_file (int fdin, const char *name, struct stat64 *st) if (strcmp (name, "-") == 0) fdout = 1; else - fdout = open (name, O_WRONLY | O_CREAT, 0600); + fdout = wrap_open (name, O_WRONLY | O_CREAT, 0600); if (fdout != -1 && fstat64 (fdin, &stt) >= 0 && send_file (fdout, fdin, &off, stt.st_size) == stt.st_size) @@ -1838,7 +1878,7 @@ copy_fd_to_file (int fdin, const char *name, struct stat64 *st) set_security_context (name, name, 1); u.actime = time (NULL); u.modtime = st->st_mtime; - utime (name, &u); + wrap_utime (name, &u); close (fdout); } return 0; @@ -1902,33 +1942,33 @@ update_dso (DSO *dso, const char *orig_name) close_dso_1 (dso); u.actime = time (NULL); u.modtime = st.st_mtime; - utime (name2, &u); + wrap_utime (name2, &u); if (set_security_context (name2, orig_name ? orig_name : name1, orig_name != NULL)) { if (fdin != -1) close (fdin); - unlink (name2); + wrap_unlink (name2); return 1; } if ((orig_name != NULL && strcmp (name1, "-") == 0) - || rename (name2, name1)) + || wrap_rename (name2, name1)) { if (fdin != -1) { int err = copy_fd_to_file (fdin, name1, &st); close (fdin); - unlink (name2); + wrap_unlink (name2); if (err == 0) return 0; error (0, err, "Could not rename nor copy temporary to %s", name1); return 1; } - unlink (name2); + wrap_unlink (name2); error (0, errno, "Could not rename temporary to %s", name1); return 1; } @@ -1940,3 +1980,29 @@ update_dso (DSO *dso, const char *orig_name) return 0; } + +int allow_bad_textrel; + +int +dso_has_bad_textrel (DSO *dso) +{ + if (allow_bad_textrel) + return 0; + + switch (dso->arch->machine) + { + case EM_IA_64: + case EM_PPC: + case EM_PPC64: + case EM_X86_64: + case EM_ALPHA: + case EM_S390: + case EM_MIPS: + case EM_ARM: + return dynamic_info_is_set (dso, DT_TEXTREL); + + default: + return 0; + } +} +#endif /* DSO_READONLY */ diff --git a/trunk/src/elf.h b/trunk/src/elf.h new file mode 100644 index 0000000..a9558a3 --- /dev/null +++ b/trunk/src/elf.h @@ -0,0 +1,2799 @@ +/* This file defines standard ELF types, structures, and macros. + Copyright (C) 1995-2003,2004,2005,2006,2007,2008,2009,2010 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _ELF_H +#define _ELF_H 1 + +#include <features.h> + +__BEGIN_DECLS + +/* Standard ELF types. */ + +#include <stdint.h> + +/* Type for a 16-bit quantity. */ +typedef uint16_t Elf32_Half; +typedef uint16_t Elf64_Half; + +/* Types for signed and unsigned 32-bit quantities. */ +typedef uint32_t Elf32_Word; +typedef int32_t Elf32_Sword; +typedef uint32_t Elf64_Word; +typedef int32_t Elf64_Sword; + +/* Types for signed and unsigned 64-bit quantities. */ +typedef uint64_t Elf32_Xword; +typedef int64_t Elf32_Sxword; +typedef uint64_t Elf64_Xword; +typedef int64_t Elf64_Sxword; + +/* Type of addresses. */ +typedef uint32_t Elf32_Addr; +typedef uint64_t Elf64_Addr; + +/* Type of file offsets. */ +typedef uint32_t Elf32_Off; +typedef uint64_t Elf64_Off; + +/* Type for section indices, which are 16-bit quantities. */ +typedef uint16_t Elf32_Section; +typedef uint16_t Elf64_Section; + +/* Type for version symbol information. */ +typedef Elf32_Half Elf32_Versym; +typedef Elf64_Half Elf64_Versym; + + +/* The ELF file header. This appears at the start of every ELF file. */ + +#define EI_NIDENT (16) + +typedef struct +{ + unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ + Elf32_Half e_type; /* Object file type */ + Elf32_Half e_machine; /* Architecture */ + Elf32_Word e_version; /* Object file version */ + Elf32_Addr e_entry; /* Entry point virtual address */ + Elf32_Off e_phoff; /* Program header table file offset */ + Elf32_Off e_shoff; /* Section header table file offset */ + Elf32_Word e_flags; /* Processor-specific flags */ + Elf32_Half e_ehsize; /* ELF header size in bytes */ + Elf32_Half e_phentsize; /* Program header table entry size */ + Elf32_Half e_phnum; /* Program header table entry count */ + Elf32_Half e_shentsize; /* Section header table entry size */ + Elf32_Half e_shnum; /* Section header table entry count */ + Elf32_Half e_shstrndx; /* Section header string table index */ +} Elf32_Ehdr; + +typedef struct +{ + unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ + Elf64_Half e_type; /* Object file type */ + Elf64_Half e_machine; /* Architecture */ + Elf64_Word e_version; /* Object file version */ + Elf64_Addr e_entry; /* Entry point virtual address */ + Elf64_Off e_phoff; /* Program header table file offset */ + Elf64_Off e_shoff; /* Section header table file offset */ + Elf64_Word e_flags; /* Processor-specific flags */ + Elf64_Half e_ehsize; /* ELF header size in bytes */ + Elf64_Half e_phentsize; /* Program header table entry size */ + Elf64_Half e_phnum; /* Program header table entry count */ + Elf64_Half e_shentsize; /* Section header table entry size */ + Elf64_Half e_shnum; /* Section header table entry count */ + Elf64_Half e_shstrndx; /* Section header string table index */ +} Elf64_Ehdr; + +/* Fields in the e_ident array. The EI_* macros are indices into the + array. The macros under each EI_* macro are the values the byte + may have. */ + +#define EI_MAG0 0 /* File identification byte 0 index */ +#define ELFMAG0 0x7f /* Magic number byte 0 */ + +#define EI_MAG1 1 /* File identification byte 1 index */ +#define ELFMAG1 'E' /* Magic number byte 1 */ + +#define EI_MAG2 2 /* File identification byte 2 index */ +#define ELFMAG2 'L' /* Magic number byte 2 */ + +#define EI_MAG3 3 /* File identification byte 3 index */ +#define ELFMAG3 'F' /* Magic number byte 3 */ + +/* Conglomeration of the identification bytes, for easy testing as a word. */ +#define ELFMAG "\177ELF" +#define SELFMAG 4 + +#define EI_CLASS 4 /* File class byte index */ +#define ELFCLASSNONE 0 /* Invalid class */ +#define ELFCLASS32 1 /* 32-bit objects */ +#define ELFCLASS64 2 /* 64-bit objects */ +#define ELFCLASSNUM 3 + +#define EI_DATA 5 /* Data encoding byte index */ +#define ELFDATANONE 0 /* Invalid data encoding */ +#define ELFDATA2LSB 1 /* 2's complement, little endian */ +#define ELFDATA2MSB 2 /* 2's complement, big endian */ +#define ELFDATANUM 3 + +#define EI_VERSION 6 /* File version byte index */ + /* Value must be EV_CURRENT */ + +#define EI_OSABI 7 /* OS ABI identification */ +#define ELFOSABI_NONE 0 /* UNIX System V ABI */ +#define ELFOSABI_SYSV 0 /* Alias. */ +#define ELFOSABI_HPUX 1 /* HP-UX */ +#define ELFOSABI_NETBSD 2 /* NetBSD. */ +#define ELFOSABI_LINUX 3 /* Linux. */ +#define ELFOSABI_SOLARIS 6 /* Sun Solaris. */ +#define ELFOSABI_AIX 7 /* IBM AIX. */ +#define ELFOSABI_IRIX 8 /* SGI Irix. */ +#define ELFOSABI_FREEBSD 9 /* FreeBSD. */ +#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */ +#define ELFOSABI_MODESTO 11 /* Novell Modesto. */ +#define ELFOSABI_OPENBSD 12 /* OpenBSD. */ +#define ELFOSABI_ARM_AEABI 64 /* ARM EABI */ +#define ELFOSABI_ARM 97 /* ARM */ +#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ + +#define EI_ABIVERSION 8 /* ABI version */ + +#define EI_PAD 9 /* Byte index of padding bytes */ + +/* Legal values for e_type (object file type). */ + +#define ET_NONE 0 /* No file type */ +#define ET_REL 1 /* Relocatable file */ +#define ET_EXEC 2 /* Executable file */ +#define ET_DYN 3 /* Shared object file */ +#define ET_CORE 4 /* Core file */ +#define ET_NUM 5 /* Number of defined types */ +#define ET_LOOS 0xfe00 /* OS-specific range start */ +#define ET_HIOS 0xfeff /* OS-specific range end */ +#define ET_LOPROC 0xff00 /* Processor-specific range start */ +#define ET_HIPROC 0xffff /* Processor-specific range end */ + +/* Legal values for e_machine (architecture). */ + +#define EM_NONE 0 /* No machine */ +#define EM_M32 1 /* AT&T WE 32100 */ +#define EM_SPARC 2 /* SUN SPARC */ +#define EM_386 3 /* Intel 80386 */ +#define EM_68K 4 /* Motorola m68k family */ +#define EM_88K 5 /* Motorola m88k family */ +#define EM_860 7 /* Intel 80860 */ +#define EM_MIPS 8 /* MIPS R3000 big-endian */ +#define EM_S370 9 /* IBM System/370 */ +#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ + +#define EM_PARISC 15 /* HPPA */ +#define EM_VPP500 17 /* Fujitsu VPP500 */ +#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ +#define EM_960 19 /* Intel 80960 */ +#define EM_PPC 20 /* PowerPC */ +#define EM_PPC64 21 /* PowerPC 64-bit */ +#define EM_S390 22 /* IBM S390 */ + +#define EM_V800 36 /* NEC V800 series */ +#define EM_FR20 37 /* Fujitsu FR20 */ +#define EM_RH32 38 /* TRW RH-32 */ +#define EM_RCE 39 /* Motorola RCE */ +#define EM_ARM 40 /* ARM */ +#define EM_FAKE_ALPHA 41 /* Digital Alpha */ +#define EM_SH 42 /* Hitachi SH */ +#define EM_SPARCV9 43 /* SPARC v9 64-bit */ +#define EM_TRICORE 44 /* Siemens Tricore */ +#define EM_ARC 45 /* Argonaut RISC Core */ +#define EM_H8_300 46 /* Hitachi H8/300 */ +#define EM_H8_300H 47 /* Hitachi H8/300H */ +#define EM_H8S 48 /* Hitachi H8S */ +#define EM_H8_500 49 /* Hitachi H8/500 */ +#define EM_IA_64 50 /* Intel Merced */ +#define EM_MIPS_X 51 /* Stanford MIPS-X */ +#define EM_COLDFIRE 52 /* Motorola Coldfire */ +#define EM_68HC12 53 /* Motorola M68HC12 */ +#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/ +#define EM_PCP 55 /* Siemens PCP */ +#define EM_NCPU 56 /* Sony nCPU embeeded RISC */ +#define EM_NDR1 57 /* Denso NDR1 microprocessor */ +#define EM_STARCORE 58 /* Motorola Start*Core processor */ +#define EM_ME16 59 /* Toyota ME16 processor */ +#define EM_ST100 60 /* STMicroelectronic ST100 processor */ +#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/ +#define EM_X86_64 62 /* AMD x86-64 architecture */ +#define EM_PDSP 63 /* Sony DSP Processor */ + +#define EM_FX66 66 /* Siemens FX66 microcontroller */ +#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ +#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ +#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */ +#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */ +#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */ +#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */ +#define EM_SVX 73 /* Silicon Graphics SVx */ +#define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */ +#define EM_VAX 75 /* Digital VAX */ +#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ +#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded processor */ +#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */ +#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */ +#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ +#define EM_HUANY 81 /* Harvard University machine-independent object files */ +#define EM_PRISM 82 /* SiTera Prism */ +#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ +#define EM_FR30 84 /* Fujitsu FR30 */ +#define EM_D10V 85 /* Mitsubishi D10V */ +#define EM_D30V 86 /* Mitsubishi D30V */ +#define EM_V850 87 /* NEC v850 */ +#define EM_M32R 88 /* Mitsubishi M32R */ +#define EM_MN10300 89 /* Matsushita MN10300 */ +#define EM_MN10200 90 /* Matsushita MN10200 */ +#define EM_PJ 91 /* picoJava */ +#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ +#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ +#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ +#define EM_NUM 95 + +/* If it is necessary to assign new unofficial EM_* values, please + pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the + chances of collision with official or non-GNU unofficial values. */ + +#define EM_ALPHA 0x9026 + +/* Legal values for e_version (version). */ + +#define EV_NONE 0 /* Invalid ELF version */ +#define EV_CURRENT 1 /* Current version */ +#define EV_NUM 2 + +/* Section header. */ + +typedef struct +{ + Elf32_Word sh_name; /* Section name (string tbl index) */ + Elf32_Word sh_type; /* Section type */ + Elf32_Word sh_flags; /* Section flags */ + Elf32_Addr sh_addr; /* Section virtual addr at execution */ + Elf32_Off sh_offset; /* Section file offset */ + Elf32_Word sh_size; /* Section size in bytes */ + Elf32_Word sh_link; /* Link to another section */ + Elf32_Word sh_info; /* Additional section information */ + Elf32_Word sh_addralign; /* Section alignment */ + Elf32_Word sh_entsize; /* Entry size if section holds table */ +} Elf32_Shdr; + +typedef struct +{ + Elf64_Word sh_name; /* Section name (string tbl index) */ + Elf64_Word sh_type; /* Section type */ + Elf64_Xword sh_flags; /* Section flags */ + Elf64_Addr sh_addr; /* Section virtual addr at execution */ + Elf64_Off sh_offset; /* Section file offset */ + Elf64_Xword sh_size; /* Section size in bytes */ + Elf64_Word sh_link; /* Link to another section */ + Elf64_Word sh_info; /* Additional section information */ + Elf64_Xword sh_addralign; /* Section alignment */ + Elf64_Xword sh_entsize; /* Entry size if section holds table */ +} Elf64_Shdr; + +/* Special section indices. */ + +#define SHN_UNDEF 0 /* Undefined section */ +#define SHN_LORESERVE 0xff00 /* Start of reserved indices */ +#define SHN_LOPROC 0xff00 /* Start of processor-specific */ +#define SHN_BEFORE 0xff00 /* Order section before all others + (Solaris). */ +#define SHN_AFTER 0xff01 /* Order section after all others + (Solaris). */ +#define SHN_HIPROC 0xff1f /* End of processor-specific */ +#define SHN_LOOS 0xff20 /* Start of OS-specific */ +#define SHN_HIOS 0xff3f /* End of OS-specific */ +#define SHN_ABS 0xfff1 /* Associated symbol is absolute */ +#define SHN_COMMON 0xfff2 /* Associated symbol is common */ +#define SHN_XINDEX 0xffff /* Index is in extra table. */ +#define SHN_HIRESERVE 0xffff /* End of reserved indices */ + +/* Legal values for sh_type (section type). */ + +#define SHT_NULL 0 /* Section header table entry unused */ +#define SHT_PROGBITS 1 /* Program data */ +#define SHT_SYMTAB 2 /* Symbol table */ +#define SHT_STRTAB 3 /* String table */ +#define SHT_RELA 4 /* Relocation entries with addends */ +#define SHT_HASH 5 /* Symbol hash table */ +#define SHT_DYNAMIC 6 /* Dynamic linking information */ +#define SHT_NOTE 7 /* Notes */ +#define SHT_NOBITS 8 /* Program space with no data (bss) */ +#define SHT_REL 9 /* Relocation entries, no addends */ +#define SHT_SHLIB 10 /* Reserved */ +#define SHT_DYNSYM 11 /* Dynamic linker symbol table */ +#define SHT_INIT_ARRAY 14 /* Array of constructors */ +#define SHT_FINI_ARRAY 15 /* Array of destructors */ +#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */ +#define SHT_GROUP 17 /* Section group */ +#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */ +#define SHT_NUM 19 /* Number of defined types. */ +#define SHT_LOOS 0x60000000 /* Start OS-specific. */ +#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */ +#define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */ +#define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */ +#define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */ +#define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */ +#define SHT_SUNW_move 0x6ffffffa +#define SHT_SUNW_COMDAT 0x6ffffffb +#define SHT_SUNW_syminfo 0x6ffffffc +#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */ +#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */ +#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */ +#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */ +#define SHT_HIOS 0x6fffffff /* End OS-specific type */ +#define SHT_LOPROC 0x70000000 /* Start of processor-specific */ +#define SHT_HIPROC 0x7fffffff /* End of processor-specific */ +#define SHT_LOUSER 0x80000000 /* Start of application-specific */ +#define SHT_HIUSER 0x8fffffff /* End of application-specific */ + +/* Legal values for sh_flags (section flags). */ + +#define SHF_WRITE (1 << 0) /* Writable */ +#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ +#define SHF_EXECINSTR (1 << 2) /* Executable */ +#define SHF_MERGE (1 << 4) /* Might be merged */ +#define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */ +#define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */ +#define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */ +#define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling + required */ +#define SHF_GROUP (1 << 9) /* Section is member of a group. */ +#define SHF_TLS (1 << 10) /* Section hold thread-local data. */ +#define SHF_MASKOS 0x0ff00000 /* OS-specific. */ +#define SHF_MASKPROC 0xf0000000 /* Processor-specific */ +#define SHF_ORDERED (1 << 30) /* Special ordering requirement + (Solaris). */ +#define SHF_EXCLUDE (1 << 31) /* Section is excluded unless + referenced or allocated (Solaris).*/ + +/* Section group handling. */ +#define GRP_COMDAT 0x1 /* Mark group as COMDAT. */ + +/* Symbol table entry. */ + +typedef struct +{ + Elf32_Word st_name; /* Symbol name (string tbl index) */ + Elf32_Addr st_value; /* Symbol value */ + Elf32_Word st_size; /* Symbol size */ + unsigned char st_info; /* Symbol type and binding */ + unsigned char st_other; /* Symbol visibility */ + Elf32_Section st_shndx; /* Section index */ +} Elf32_Sym; + +typedef struct +{ + Elf64_Word st_name; /* Symbol name (string tbl index) */ + unsigned char st_info; /* Symbol type and binding */ + unsigned char st_other; /* Symbol visibility */ + Elf64_Section st_shndx; /* Section index */ + Elf64_Addr st_value; /* Symbol value */ + Elf64_Xword st_size; /* Symbol size */ +} Elf64_Sym; + +/* The syminfo section if available contains additional information about + every dynamic symbol. */ + +typedef struct +{ + Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ + Elf32_Half si_flags; /* Per symbol flags */ +} Elf32_Syminfo; + +typedef struct +{ + Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ + Elf64_Half si_flags; /* Per symbol flags */ +} Elf64_Syminfo; + +/* Possible values for si_boundto. */ +#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ +#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ +#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ + +/* Possible bitmasks for si_flags. */ +#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ +#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ +#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ +#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy + loaded */ +/* Syminfo version values. */ +#define SYMINFO_NONE 0 +#define SYMINFO_CURRENT 1 +#define SYMINFO_NUM 2 + + +/* How to extract and insert information held in the st_info field. */ + +#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) +#define ELF32_ST_TYPE(val) ((val) & 0xf) +#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) + +/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */ +#define ELF64_ST_BIND(val) ELF32_ST_BIND (val) +#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) +#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) + +/* Legal values for ST_BIND subfield of st_info (symbol binding). */ + +#define STB_LOCAL 0 /* Local symbol */ +#define STB_GLOBAL 1 /* Global symbol */ +#define STB_WEAK 2 /* Weak symbol */ +#define STB_NUM 3 /* Number of defined types. */ +#define STB_LOOS 10 /* Start of OS-specific */ +#define STB_GNU_UNIQUE 10 /* Unique symbol. */ +#define STB_HIOS 12 /* End of OS-specific */ +#define STB_LOPROC 13 /* Start of processor-specific */ +#define STB_HIPROC 15 /* End of processor-specific */ + +/* Legal values for ST_TYPE subfield of st_info (symbol type). */ + +#define STT_NOTYPE 0 /* Symbol type is unspecified */ +#define STT_OBJECT 1 /* Symbol is a data object */ +#define STT_FUNC 2 /* Symbol is a code object */ +#define STT_SECTION 3 /* Symbol associated with a section */ +#define STT_FILE 4 /* Symbol's name is file name */ +#define STT_COMMON 5 /* Symbol is a common data object */ +#define STT_TLS 6 /* Symbol is thread-local data object*/ +#define STT_NUM 7 /* Number of defined types. */ +#define STT_LOOS 10 /* Start of OS-specific */ +#define STT_GNU_IFUNC 10 /* Symbol is indirect code object */ +#define STT_HIOS 12 /* End of OS-specific */ +#define STT_LOPROC 13 /* Start of processor-specific */ +#define STT_HIPROC 15 /* End of processor-specific */ + + +/* Symbol table indices are found in the hash buckets and chain table + of a symbol hash table section. This special index value indicates + the end of a chain, meaning no further symbols are found in that bucket. */ + +#define STN_UNDEF 0 /* End of a chain. */ + + +/* How to extract and insert information held in the st_other field. */ + +#define ELF32_ST_VISIBILITY(o) ((o) & 0x03) + +/* For ELF64 the definitions are the same. */ +#define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) + +/* Symbol visibility specification encoded in the st_other field. */ +#define STV_DEFAULT 0 /* Default symbol visibility rules */ +#define STV_INTERNAL 1 /* Processor specific hidden class */ +#define STV_HIDDEN 2 /* Sym unavailable in other modules */ +#define STV_PROTECTED 3 /* Not preemptible, not exported */ + + +/* Relocation table entry without addend (in section of type SHT_REL). */ + +typedef struct +{ + Elf32_Addr r_offset; /* Address */ + Elf32_Word r_info; /* Relocation type and symbol index */ +} Elf32_Rel; + +/* I have seen two different definitions of the Elf64_Rel and + Elf64_Rela structures, so we'll leave them out until Novell (or + whoever) gets their act together. */ +/* The following, at least, is used on Sparc v9, MIPS, and Alpha. */ + +typedef struct +{ + Elf64_Addr r_offset; /* Address */ + Elf64_Xword r_info; /* Relocation type and symbol index */ +} Elf64_Rel; + +/* Relocation table entry with addend (in section of type SHT_RELA). */ + +typedef struct +{ + Elf32_Addr r_offset; /* Address */ + Elf32_Word r_info; /* Relocation type and symbol index */ + Elf32_Sword r_addend; /* Addend */ +} Elf32_Rela; + +typedef struct +{ + Elf64_Addr r_offset; /* Address */ + Elf64_Xword r_info; /* Relocation type and symbol index */ + Elf64_Sxword r_addend; /* Addend */ +} Elf64_Rela; + +/* How to extract and insert information held in the r_info field. */ + +#define ELF32_R_SYM(val) ((val) >> 8) +#define ELF32_R_TYPE(val) ((val) & 0xff) +#define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) + +#define ELF64_R_SYM(i) ((i) >> 32) +#define ELF64_R_TYPE(i) ((i) & 0xffffffff) +#define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type)) + +/* Program segment header. */ + +typedef struct +{ + Elf32_Word p_type; /* Segment type */ + Elf32_Off p_offset; /* Segment file offset */ + Elf32_Addr p_vaddr; /* Segment virtual address */ + Elf32_Addr p_paddr; /* Segment physical address */ + Elf32_Word p_filesz; /* Segment size in file */ + Elf32_Word p_memsz; /* Segment size in memory */ + Elf32_Word p_flags; /* Segment flags */ + Elf32_Word p_align; /* Segment alignment */ +} Elf32_Phdr; + +typedef struct +{ + Elf64_Word p_type; /* Segment type */ + Elf64_Word p_flags; /* Segment flags */ + Elf64_Off p_offset; /* Segment file offset */ + Elf64_Addr p_vaddr; /* Segment virtual address */ + Elf64_Addr p_paddr; /* Segment physical address */ + Elf64_Xword p_filesz; /* Segment size in file */ + Elf64_Xword p_memsz; /* Segment size in memory */ + Elf64_Xword p_align; /* Segment alignment */ +} Elf64_Phdr; + +/* Special value for e_phnum. This indicates that the real number of + program headers is too large to fit into e_phnum. Instead the real + value is in the field sh_info of section 0. */ + +#define PN_XNUM 0xffff + +/* Legal values for p_type (segment type). */ + +#define PT_NULL 0 /* Program header table entry unused */ +#define PT_LOAD 1 /* Loadable program segment */ +#define PT_DYNAMIC 2 /* Dynamic linking information */ +#define PT_INTERP 3 /* Program interpreter */ +#define PT_NOTE 4 /* Auxiliary information */ +#define PT_SHLIB 5 /* Reserved */ +#define PT_PHDR 6 /* Entry for header table itself */ +#define PT_TLS 7 /* Thread-local storage segment */ +#define PT_NUM 8 /* Number of defined types */ +#define PT_LOOS 0x60000000 /* Start of OS-specific */ +#define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */ +#define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */ +#define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */ +#define PT_LOSUNW 0x6ffffffa +#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ +#define PT_SUNWSTACK 0x6ffffffb /* Stack segment */ +#define PT_HISUNW 0x6fffffff +#define PT_HIOS 0x6fffffff /* End of OS-specific */ +#define PT_LOPROC 0x70000000 /* Start of processor-specific */ +#define PT_HIPROC 0x7fffffff /* End of processor-specific */ + +/* Legal values for p_flags (segment flags). */ + +#define PF_X (1 << 0) /* Segment is executable */ +#define PF_W (1 << 1) /* Segment is writable */ +#define PF_R (1 << 2) /* Segment is readable */ +#define PF_MASKOS 0x0ff00000 /* OS-specific */ +#define PF_MASKPROC 0xf0000000 /* Processor-specific */ + +/* Legal values for note segment descriptor types for core files. */ + +#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ +#define NT_FPREGSET 2 /* Contains copy of fpregset struct */ +#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ +#define NT_PRXREG 4 /* Contains copy of prxregset struct */ +#define NT_TASKSTRUCT 4 /* Contains copy of task structure */ +#define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ +#define NT_AUXV 6 /* Contains copy of auxv array */ +#define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ +#define NT_ASRS 8 /* Contains copy of asrset struct */ +#define NT_PSTATUS 10 /* Contains copy of pstatus struct */ +#define NT_PSINFO 13 /* Contains copy of psinfo struct */ +#define NT_PRCRED 14 /* Contains copy of prcred struct */ +#define NT_UTSNAME 15 /* Contains copy of utsname struct */ +#define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ +#define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ +#define NT_PRFPXREG 20 /* Contains copy of fprxregset struct */ +#define NT_PRXFPREG 0x46e62b7f /* Contains copy of user_fxsr_struct */ +#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ +#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */ +#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ +#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ +#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ +#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */ + +/* Legal values for the note segment descriptor types for object files. */ + +#define NT_VERSION 1 /* Contains a version string. */ + + +/* Dynamic section entry. */ + +typedef struct +{ + Elf32_Sword d_tag; /* Dynamic entry type */ + union + { + Elf32_Word d_val; /* Integer value */ + Elf32_Addr d_ptr; /* Address value */ + } d_un; +} Elf32_Dyn; + +typedef struct +{ + Elf64_Sxword d_tag; /* Dynamic entry type */ + union + { + Elf64_Xword d_val; /* Integer value */ + Elf64_Addr d_ptr; /* Address value */ + } d_un; +} Elf64_Dyn; + +/* Legal values for d_tag (dynamic entry type). */ + +#define DT_NULL 0 /* Marks end of dynamic section */ +#define DT_NEEDED 1 /* Name of needed library */ +#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */ +#define DT_PLTGOT 3 /* Processor defined value */ +#define DT_HASH 4 /* Address of symbol hash table */ +#define DT_STRTAB 5 /* Address of string table */ +#define DT_SYMTAB 6 /* Address of symbol table */ +#define DT_RELA 7 /* Address of Rela relocs */ +#define DT_RELASZ 8 /* Total size of Rela relocs */ +#define DT_RELAENT 9 /* Size of one Rela reloc */ +#define DT_STRSZ 10 /* Size of string table */ +#define DT_SYMENT 11 /* Size of one symbol table entry */ +#define DT_INIT 12 /* Address of init function */ +#define DT_FINI 13 /* Address of termination function */ +#define DT_SONAME 14 /* Name of shared object */ +#define DT_RPATH 15 /* Library search path (deprecated) */ +#define DT_SYMBOLIC 16 /* Start symbol search here */ +#define DT_REL 17 /* Address of Rel relocs */ +#define DT_RELSZ 18 /* Total size of Rel relocs */ +#define DT_RELENT 19 /* Size of one Rel reloc */ +#define DT_PLTREL 20 /* Type of reloc in PLT */ +#define DT_DEBUG 21 /* For debugging; unspecified */ +#define DT_TEXTREL 22 /* Reloc might modify .text */ +#define DT_JMPREL 23 /* Address of PLT relocs */ +#define DT_BIND_NOW 24 /* Process relocations of object */ +#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ +#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ +#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ +#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ +#define DT_RUNPATH 29 /* Library search path */ +#define DT_FLAGS 30 /* Flags for the object being loaded */ +#define DT_ENCODING 32 /* Start of encoded range */ +#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/ +#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */ +#define DT_NUM 34 /* Number used */ +#define DT_LOOS 0x6000000d /* Start of OS-specific */ +#define DT_HIOS 0x6ffff000 /* End of OS-specific */ +#define DT_LOPROC 0x70000000 /* Start of processor-specific */ +#define DT_HIPROC 0x7fffffff /* End of processor-specific */ +#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ + +/* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the + Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's + approach. */ +#define DT_VALRNGLO 0x6ffffd00 +#define DT_GNU_PRELINKED 0x6ffffdf5 /* Prelinking timestamp */ +#define DT_GNU_CONFLICTSZ 0x6ffffdf6 /* Size of conflict section */ +#define DT_GNU_LIBLISTSZ 0x6ffffdf7 /* Size of library list */ +#define DT_CHECKSUM 0x6ffffdf8 +#define DT_PLTPADSZ 0x6ffffdf9 +#define DT_MOVEENT 0x6ffffdfa +#define DT_MOVESZ 0x6ffffdfb +#define DT_FEATURE_1 0x6ffffdfc /* Feature selection (DTF_*). */ +#define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting + the following DT_* entry. */ +#define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */ +#define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */ +#define DT_VALRNGHI 0x6ffffdff +#define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag)) /* Reverse order! */ +#define DT_VALNUM 12 + +/* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the + Dyn.d_un.d_ptr field of the Elf*_Dyn structure. + + If any adjustment is made to the ELF object after it has been + built these entries will need to be adjusted. */ +#define DT_ADDRRNGLO 0x6ffffe00 +#define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table. */ +#define DT_TLSDESC_PLT 0x6ffffef6 +#define DT_TLSDESC_GOT 0x6ffffef7 +#define DT_GNU_CONFLICT 0x6ffffef8 /* Start of conflict section */ +#define DT_GNU_LIBLIST 0x6ffffef9 /* Library list */ +#define DT_CONFIG 0x6ffffefa /* Configuration information. */ +#define DT_DEPAUDIT 0x6ffffefb /* Dependency auditing. */ +#define DT_AUDIT 0x6ffffefc /* Object auditing. */ +#define DT_PLTPAD 0x6ffffefd /* PLT padding. */ +#define DT_MOVETAB 0x6ffffefe /* Move table. */ +#define DT_SYMINFO 0x6ffffeff /* Syminfo table. */ +#define DT_ADDRRNGHI 0x6ffffeff +#define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag)) /* Reverse order! */ +#define DT_ADDRNUM 11 + +/* The versioning entry types. The next are defined as part of the + GNU extension. */ +#define DT_VERSYM 0x6ffffff0 + +#define DT_RELACOUNT 0x6ffffff9 +#define DT_RELCOUNT 0x6ffffffa + +/* These were chosen by Sun. */ +#define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */ +#define DT_VERDEF 0x6ffffffc /* Address of version definition + table */ +#define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */ +#define DT_VERNEED 0x6ffffffe /* Address of table with needed + versions */ +#define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */ +#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ +#define DT_VERSIONTAGNUM 16 + +/* Sun added these machine-independent extensions in the "processor-specific" + range. Be compatible. */ +#define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */ +#define DT_FILTER 0x7fffffff /* Shared object to get values from */ +#define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) +#define DT_EXTRANUM 3 + +/* Values of `d_un.d_val' in the DT_FLAGS entry. */ +#define DF_ORIGIN 0x00000001 /* Object may use DF_ORIGIN */ +#define DF_SYMBOLIC 0x00000002 /* Symbol resolutions starts here */ +#define DF_TEXTREL 0x00000004 /* Object contains text relocations */ +#define DF_BIND_NOW 0x00000008 /* No lazy binding for this object */ +#define DF_STATIC_TLS 0x00000010 /* Module uses the static TLS model */ + +/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 + entry in the dynamic section. */ +#define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */ +#define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */ +#define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */ +#define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/ +#define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/ +#define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/ +#define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */ +#define DF_1_ORIGIN 0x00000080 /* $ORIGIN must be handled. */ +#define DF_1_DIRECT 0x00000100 /* Direct binding enabled. */ +#define DF_1_TRANS 0x00000200 +#define DF_1_INTERPOSE 0x00000400 /* Object is used to interpose. */ +#define DF_1_NODEFLIB 0x00000800 /* Ignore default lib search path. */ +#define DF_1_NODUMP 0x00001000 /* Object can't be dldump'ed. */ +#define DF_1_CONFALT 0x00002000 /* Configuration alternative created.*/ +#define DF_1_ENDFILTEE 0x00004000 /* Filtee terminates filters search. */ +#define DF_1_DISPRELDNE 0x00008000 /* Disp reloc applied at build time. */ +#define DF_1_DISPRELPND 0x00010000 /* Disp reloc applied at run-time. */ + +/* Flags for the feature selection in DT_FEATURE_1. */ +#define DTF_1_PARINIT 0x00000001 +#define DTF_1_CONFEXP 0x00000002 + +/* Flags in the DT_POSFLAG_1 entry effecting only the next DT_* entry. */ +#define DF_P1_LAZYLOAD 0x00000001 /* Lazyload following object. */ +#define DF_P1_GROUPPERM 0x00000002 /* Symbols from next object are not + generally available. */ + +/* Version definition sections. */ + +typedef struct +{ + Elf32_Half vd_version; /* Version revision */ + Elf32_Half vd_flags; /* Version information */ + Elf32_Half vd_ndx; /* Version Index */ + Elf32_Half vd_cnt; /* Number of associated aux entries */ + Elf32_Word vd_hash; /* Version name hash value */ + Elf32_Word vd_aux; /* Offset in bytes to verdaux array */ + Elf32_Word vd_next; /* Offset in bytes to next verdef + entry */ +} Elf32_Verdef; + +typedef struct +{ + Elf64_Half vd_version; /* Version revision */ + Elf64_Half vd_flags; /* Version information */ + Elf64_Half vd_ndx; /* Version Index */ + Elf64_Half vd_cnt; /* Number of associated aux entries */ + Elf64_Word vd_hash; /* Version name hash value */ + Elf64_Word vd_aux; /* Offset in bytes to verdaux array */ + Elf64_Word vd_next; /* Offset in bytes to next verdef + entry */ +} Elf64_Verdef; + + +/* Legal values for vd_version (version revision). */ +#define VER_DEF_NONE 0 /* No version */ +#define VER_DEF_CURRENT 1 /* Current version */ +#define VER_DEF_NUM 2 /* Given version number */ + +/* Legal values for vd_flags (version information flags). */ +#define VER_FLG_BASE 0x1 /* Version definition of file itself */ +#define VER_FLG_WEAK 0x2 /* Weak version identifier */ + +/* Versym symbol index values. */ +#define VER_NDX_LOCAL 0 /* Symbol is local. */ +#define VER_NDX_GLOBAL 1 /* Symbol is global. */ +#define VER_NDX_LORESERVE 0xff00 /* Beginning of reserved entries. */ +#define VER_NDX_ELIMINATE 0xff01 /* Symbol is to be eliminated. */ + +/* Auxialiary version information. */ + +typedef struct +{ + Elf32_Word vda_name; /* Version or dependency names */ + Elf32_Word vda_next; /* Offset in bytes to next verdaux + entry */ +} Elf32_Verdaux; + +typedef struct +{ + Elf64_Word vda_name; /* Version or dependency names */ + Elf64_Word vda_next; /* Offset in bytes to next verdaux + entry */ +} Elf64_Verdaux; + + +/* Version dependency section. */ + +typedef struct +{ + Elf32_Half vn_version; /* Version of structure */ + Elf32_Half vn_cnt; /* Number of associated aux entries */ + Elf32_Word vn_file; /* Offset of filename for this + dependency */ + Elf32_Word vn_aux; /* Offset in bytes to vernaux array */ + Elf32_Word vn_next; /* Offset in bytes to next verneed + entry */ +} Elf32_Verneed; + +typedef struct +{ + Elf64_Half vn_version; /* Version of structure */ + Elf64_Half vn_cnt; /* Number of associated aux entries */ + Elf64_Word vn_file; /* Offset of filename for this + dependency */ + Elf64_Word vn_aux; /* Offset in bytes to vernaux array */ + Elf64_Word vn_next; /* Offset in bytes to next verneed + entry */ +} Elf64_Verneed; + + +/* Legal values for vn_version (version revision). */ +#define VER_NEED_NONE 0 /* No version */ +#define VER_NEED_CURRENT 1 /* Current version */ +#define VER_NEED_NUM 2 /* Given version number */ + +/* Auxiliary needed version information. */ + +typedef struct +{ + Elf32_Word vna_hash; /* Hash value of dependency name */ + Elf32_Half vna_flags; /* Dependency specific information */ + Elf32_Half vna_other; /* Unused */ + Elf32_Word vna_name; /* Dependency name string offset */ + Elf32_Word vna_next; /* Offset in bytes to next vernaux + entry */ +} Elf32_Vernaux; + +typedef struct +{ + Elf64_Word vna_hash; /* Hash value of dependency name */ + Elf64_Half vna_flags; /* Dependency specific information */ + Elf64_Half vna_other; /* Unused */ + Elf64_Word vna_name; /* Dependency name string offset */ + Elf64_Word vna_next; /* Offset in bytes to next vernaux + entry */ +} Elf64_Vernaux; + + +/* Legal values for vna_flags. */ +#define VER_FLG_WEAK 0x2 /* Weak version identifier */ + + +/* Auxiliary vector. */ + +/* This vector is normally only used by the program interpreter. The + usual definition in an ABI supplement uses the name auxv_t. The + vector is not usually defined in a standard <elf.h> file, but it + can't hurt. We rename it to avoid conflicts. The sizes of these + types are an arrangement between the exec server and the program + interpreter, so we don't fully specify them here. */ + +typedef struct +{ + uint32_t a_type; /* Entry type */ + union + { + uint32_t a_val; /* Integer value */ + /* We use to have pointer elements added here. We cannot do that, + though, since it does not work when using 32-bit definitions + on 64-bit platforms and vice versa. */ + } a_un; +} Elf32_auxv_t; + +typedef struct +{ + uint64_t a_type; /* Entry type */ + union + { + uint64_t a_val; /* Integer value */ + /* We use to have pointer elements added here. We cannot do that, + though, since it does not work when using 32-bit definitions + on 64-bit platforms and vice versa. */ + } a_un; +} Elf64_auxv_t; + +/* Legal values for a_type (entry type). */ + +#define AT_NULL 0 /* End of vector */ +#define AT_IGNORE 1 /* Entry should be ignored */ +#define AT_EXECFD 2 /* File descriptor of program */ +#define AT_PHDR 3 /* Program headers for program */ +#define AT_PHENT 4 /* Size of program header entry */ +#define AT_PHNUM 5 /* Number of program headers */ +#define AT_PAGESZ 6 /* System page size */ +#define AT_BASE 7 /* Base address of interpreter */ +#define AT_FLAGS 8 /* Flags */ +#define AT_ENTRY 9 /* Entry point of program */ +#define AT_NOTELF 10 /* Program is not ELF */ +#define AT_UID 11 /* Real uid */ +#define AT_EUID 12 /* Effective uid */ +#define AT_GID 13 /* Real gid */ +#define AT_EGID 14 /* Effective gid */ +#define AT_CLKTCK 17 /* Frequency of times() */ + +/* Some more special a_type values describing the hardware. */ +#define AT_PLATFORM 15 /* String identifying platform. */ +#define AT_HWCAP 16 /* Machine dependent hints about + processor capabilities. */ + +/* This entry gives some information about the FPU initialization + performed by the kernel. */ +#define AT_FPUCW 18 /* Used FPU control word. */ + +/* Cache block sizes. */ +#define AT_DCACHEBSIZE 19 /* Data cache block size. */ +#define AT_ICACHEBSIZE 20 /* Instruction cache block size. */ +#define AT_UCACHEBSIZE 21 /* Unified cache block size. */ + +/* A special ignored value for PPC, used by the kernel to control the + interpretation of the AUXV. Must be > 16. */ +#define AT_IGNOREPPC 22 /* Entry should be ignored. */ + +#define AT_SECURE 23 /* Boolean, was exec setuid-like? */ + +#define AT_BASE_PLATFORM 24 /* String identifying real platforms.*/ + +#define AT_RANDOM 25 /* Address of 16 random bytes. */ + +#define AT_EXECFN 31 /* Filename of executable. */ + +/* Pointer to the global system page used for system calls and other + nice things. */ +#define AT_SYSINFO 32 +#define AT_SYSINFO_EHDR 33 + +/* Shapes of the caches. Bits 0-3 contains associativity; bits 4-7 contains + log2 of line size; mask those to get cache size. */ +#define AT_L1I_CACHESHAPE 34 +#define AT_L1D_CACHESHAPE 35 +#define AT_L2_CACHESHAPE 36 +#define AT_L3_CACHESHAPE 37 + +/* Note section contents. Each entry in the note section begins with + a header of a fixed form. */ + +typedef struct +{ + Elf32_Word n_namesz; /* Length of the note's name. */ + Elf32_Word n_descsz; /* Length of the note's descriptor. */ + Elf32_Word n_type; /* Type of the note. */ +} Elf32_Nhdr; + +typedef struct +{ + Elf64_Word n_namesz; /* Length of the note's name. */ + Elf64_Word n_descsz; /* Length of the note's descriptor. */ + Elf64_Word n_type; /* Type of the note. */ +} Elf64_Nhdr; + +/* Known names of notes. */ + +/* Solaris entries in the note section have this name. */ +#define ELF_NOTE_SOLARIS "SUNW Solaris" + +/* Note entries for GNU systems have this name. */ +#define ELF_NOTE_GNU "GNU" + + +/* Defined types of notes for Solaris. */ + +/* Value of descriptor (one word) is desired pagesize for the binary. */ +#define ELF_NOTE_PAGESIZE_HINT 1 + + +/* Defined note types for GNU systems. */ + +/* ABI information. The descriptor consists of words: + word 0: OS descriptor + word 1: major version of the ABI + word 2: minor version of the ABI + word 3: subminor version of the ABI +*/ +#define NT_GNU_ABI_TAG 1 +#define ELF_NOTE_ABI NT_GNU_ABI_TAG /* Old name. */ + +/* Known OSes. These values can appear in word 0 of an + NT_GNU_ABI_TAG note section entry. */ +#define ELF_NOTE_OS_LINUX 0 +#define ELF_NOTE_OS_GNU 1 +#define ELF_NOTE_OS_SOLARIS2 2 +#define ELF_NOTE_OS_FREEBSD 3 + +/* Synthetic hwcap information. The descriptor begins with two words: + word 0: number of entries + word 1: bitmask of enabled entries + Then follow variable-length entries, one byte followed by a + '\0'-terminated hwcap name string. The byte gives the bit + number to test if enabled, (1U << bit) & bitmask. */ +#define NT_GNU_HWCAP 2 + +/* Build ID bits as generated by ld --build-id. + The descriptor consists of any nonzero number of bytes. */ +#define NT_GNU_BUILD_ID 3 + +/* Version note generated by GNU gold containing a version string. */ +#define NT_GNU_GOLD_VERSION 4 + + +/* Move records. */ +typedef struct +{ + Elf32_Xword m_value; /* Symbol value. */ + Elf32_Word m_info; /* Size and index. */ + Elf32_Word m_poffset; /* Symbol offset. */ + Elf32_Half m_repeat; /* Repeat count. */ + Elf32_Half m_stride; /* Stride info. */ +} Elf32_Move; + +typedef struct +{ + Elf64_Xword m_value; /* Symbol value. */ + Elf64_Xword m_info; /* Size and index. */ + Elf64_Xword m_poffset; /* Symbol offset. */ + Elf64_Half m_repeat; /* Repeat count. */ + Elf64_Half m_stride; /* Stride info. */ +} Elf64_Move; + +/* Macro to construct move records. */ +#define ELF32_M_SYM(info) ((info) >> 8) +#define ELF32_M_SIZE(info) ((unsigned char) (info)) +#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char) (size)) + +#define ELF64_M_SYM(info) ELF32_M_SYM (info) +#define ELF64_M_SIZE(info) ELF32_M_SIZE (info) +#define ELF64_M_INFO(sym, size) ELF32_M_INFO (sym, size) + + +/* Motorola 68k specific definitions. */ + +/* Values for Elf32_Ehdr.e_flags. */ +#define EF_CPU32 0x00810000 + +/* m68k relocs. */ + +#define R_68K_NONE 0 /* No reloc */ +#define R_68K_32 1 /* Direct 32 bit */ +#define R_68K_16 2 /* Direct 16 bit */ +#define R_68K_8 3 /* Direct 8 bit */ +#define R_68K_PC32 4 /* PC relative 32 bit */ +#define R_68K_PC16 5 /* PC relative 16 bit */ +#define R_68K_PC8 6 /* PC relative 8 bit */ +#define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */ +#define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */ +#define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */ +#define R_68K_GOT32O 10 /* 32 bit GOT offset */ +#define R_68K_GOT16O 11 /* 16 bit GOT offset */ +#define R_68K_GOT8O 12 /* 8 bit GOT offset */ +#define R_68K_PLT32 13 /* 32 bit PC relative PLT address */ +#define R_68K_PLT16 14 /* 16 bit PC relative PLT address */ +#define R_68K_PLT8 15 /* 8 bit PC relative PLT address */ +#define R_68K_PLT32O 16 /* 32 bit PLT offset */ +#define R_68K_PLT16O 17 /* 16 bit PLT offset */ +#define R_68K_PLT8O 18 /* 8 bit PLT offset */ +#define R_68K_COPY 19 /* Copy symbol at runtime */ +#define R_68K_GLOB_DAT 20 /* Create GOT entry */ +#define R_68K_JMP_SLOT 21 /* Create PLT entry */ +#define R_68K_RELATIVE 22 /* Adjust by program base */ +#define R_68K_TLS_GD32 25 /* 32 bit GOT offset for GD */ +#define R_68K_TLS_GD16 26 /* 16 bit GOT offset for GD */ +#define R_68K_TLS_GD8 27 /* 8 bit GOT offset for GD */ +#define R_68K_TLS_LDM32 28 /* 32 bit GOT offset for LDM */ +#define R_68K_TLS_LDM16 29 /* 16 bit GOT offset for LDM */ +#define R_68K_TLS_LDM8 30 /* 8 bit GOT offset for LDM */ +#define R_68K_TLS_LDO32 31 /* 32 bit module-relative offset */ +#define R_68K_TLS_LDO16 32 /* 16 bit module-relative offset */ +#define R_68K_TLS_LDO8 33 /* 8 bit module-relative offset */ +#define R_68K_TLS_IE32 34 /* 32 bit GOT offset for IE */ +#define R_68K_TLS_IE16 35 /* 16 bit GOT offset for IE */ +#define R_68K_TLS_IE8 36 /* 8 bit GOT offset for IE */ +#define R_68K_TLS_LE32 37 /* 32 bit offset relative to + static TLS block */ +#define R_68K_TLS_LE16 38 /* 16 bit offset relative to + static TLS block */ +#define R_68K_TLS_LE8 39 /* 8 bit offset relative to + static TLS block */ +#define R_68K_TLS_DTPMOD32 40 /* 32 bit module number */ +#define R_68K_TLS_DTPREL32 41 /* 32 bit module-relative offset */ +#define R_68K_TLS_TPREL32 42 /* 32 bit TP-relative offset */ +/* Keep this the last entry. */ +#define R_68K_NUM 43 + +/* Intel 80386 specific definitions. */ + +/* i386 relocs. */ + +#define R_386_NONE 0 /* No reloc */ +#define R_386_32 1 /* Direct 32 bit */ +#define R_386_PC32 2 /* PC relative 32 bit */ +#define R_386_GOT32 3 /* 32 bit GOT entry */ +#define R_386_PLT32 4 /* 32 bit PLT address */ +#define R_386_COPY 5 /* Copy symbol at runtime */ +#define R_386_GLOB_DAT 6 /* Create GOT entry */ +#define R_386_JMP_SLOT 7 /* Create PLT entry */ +#define R_386_RELATIVE 8 /* Adjust by program base */ +#define R_386_GOTOFF 9 /* 32 bit offset to GOT */ +#define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */ +#define R_386_32PLT 11 +#define R_386_TLS_TPOFF 14 /* Offset in static TLS block */ +#define R_386_TLS_IE 15 /* Address of GOT entry for static TLS + block offset */ +#define R_386_TLS_GOTIE 16 /* GOT entry for static TLS block + offset */ +#define R_386_TLS_LE 17 /* Offset relative to static TLS + block */ +#define R_386_TLS_GD 18 /* Direct 32 bit for GNU version of + general dynamic thread local data */ +#define R_386_TLS_LDM 19 /* Direct 32 bit for GNU version of + local dynamic thread local data + in LE code */ +#define R_386_16 20 +#define R_386_PC16 21 +#define R_386_8 22 +#define R_386_PC8 23 +#define R_386_TLS_GD_32 24 /* Direct 32 bit for general dynamic + thread local data */ +#define R_386_TLS_GD_PUSH 25 /* Tag for pushl in GD TLS code */ +#define R_386_TLS_GD_CALL 26 /* Relocation for call to + __tls_get_addr() */ +#define R_386_TLS_GD_POP 27 /* Tag for popl in GD TLS code */ +#define R_386_TLS_LDM_32 28 /* Direct 32 bit for local dynamic + thread local data in LE code */ +#define R_386_TLS_LDM_PUSH 29 /* Tag for pushl in LDM TLS code */ +#define R_386_TLS_LDM_CALL 30 /* Relocation for call to + __tls_get_addr() in LDM code */ +#define R_386_TLS_LDM_POP 31 /* Tag for popl in LDM TLS code */ +#define R_386_TLS_LDO_32 32 /* Offset relative to TLS block */ +#define R_386_TLS_IE_32 33 /* GOT entry for negated static TLS + block offset */ +#define R_386_TLS_LE_32 34 /* Negated offset relative to static + TLS block */ +#define R_386_TLS_DTPMOD32 35 /* ID of module containing symbol */ +#define R_386_TLS_DTPOFF32 36 /* Offset in TLS block */ +#define R_386_TLS_TPOFF32 37 /* Negated offset in static TLS block */ +/* 38? */ +#define R_386_TLS_GOTDESC 39 /* GOT offset for TLS descriptor. */ +#define R_386_TLS_DESC_CALL 40 /* Marker of call through TLS + descriptor for + relaxation. */ +#define R_386_TLS_DESC 41 /* TLS descriptor containing + pointer to code and to + argument, returning the TLS + offset for the symbol. */ +#define R_386_IRELATIVE 42 /* Adjust indirectly by program base */ +/* Keep this the last entry. */ +#define R_386_NUM 43 + +/* SUN SPARC specific definitions. */ + +/* Legal values for ST_TYPE subfield of st_info (symbol type). */ + +#define STT_SPARC_REGISTER 13 /* Global register reserved to app. */ + +/* Values for Elf64_Ehdr.e_flags. */ + +#define EF_SPARCV9_MM 3 +#define EF_SPARCV9_TSO 0 +#define EF_SPARCV9_PSO 1 +#define EF_SPARCV9_RMO 2 +#define EF_SPARC_LEDATA 0x800000 /* little endian data */ +#define EF_SPARC_EXT_MASK 0xFFFF00 +#define EF_SPARC_32PLUS 0x000100 /* generic V8+ features */ +#define EF_SPARC_SUN_US1 0x000200 /* Sun UltraSPARC1 extensions */ +#define EF_SPARC_HAL_R1 0x000400 /* HAL R1 extensions */ +#define EF_SPARC_SUN_US3 0x000800 /* Sun UltraSPARCIII extensions */ + +/* SPARC relocs. */ + +#define R_SPARC_NONE 0 /* No reloc */ +#define R_SPARC_8 1 /* Direct 8 bit */ +#define R_SPARC_16 2 /* Direct 16 bit */ +#define R_SPARC_32 3 /* Direct 32 bit */ +#define R_SPARC_DISP8 4 /* PC relative 8 bit */ +#define R_SPARC_DISP16 5 /* PC relative 16 bit */ +#define R_SPARC_DISP32 6 /* PC relative 32 bit */ +#define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */ +#define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */ +#define R_SPARC_HI22 9 /* High 22 bit */ +#define R_SPARC_22 10 /* Direct 22 bit */ +#define R_SPARC_13 11 /* Direct 13 bit */ +#define R_SPARC_LO10 12 /* Truncated 10 bit */ +#define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */ +#define R_SPARC_GOT13 14 /* 13 bit GOT entry */ +#define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */ +#define R_SPARC_PC10 16 /* PC relative 10 bit truncated */ +#define R_SPARC_PC22 17 /* PC relative 22 bit shifted */ +#define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */ +#define R_SPARC_COPY 19 /* Copy symbol at runtime */ +#define R_SPARC_GLOB_DAT 20 /* Create GOT entry */ +#define R_SPARC_JMP_SLOT 21 /* Create PLT entry */ +#define R_SPARC_RELATIVE 22 /* Adjust by program base */ +#define R_SPARC_UA32 23 /* Direct 32 bit unaligned */ + +/* Additional Sparc64 relocs. */ + +#define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */ +#define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */ +#define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */ +#define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */ +#define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */ +#define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */ +#define R_SPARC_10 30 /* Direct 10 bit */ +#define R_SPARC_11 31 /* Direct 11 bit */ +#define R_SPARC_64 32 /* Direct 64 bit */ +#define R_SPARC_OLO10 33 /* 10bit with secondary 13bit addend */ +#define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */ +#define R_SPARC_HM10 35 /* High middle 10 bits of ... */ +#define R_SPARC_LM22 36 /* Low middle 22 bits of ... */ +#define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */ +#define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */ +#define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */ +#define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */ +#define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */ +#define R_SPARC_GLOB_JMP 42 /* was part of v9 ABI but was removed */ +#define R_SPARC_7 43 /* Direct 7 bit */ +#define R_SPARC_5 44 /* Direct 5 bit */ +#define R_SPARC_6 45 /* Direct 6 bit */ +#define R_SPARC_DISP64 46 /* PC relative 64 bit */ +#define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */ +#define R_SPARC_HIX22 48 /* High 22 bit complemented */ +#define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */ +#define R_SPARC_H44 50 /* Direct high 12 of 44 bit */ +#define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */ +#define R_SPARC_L44 52 /* Direct low 10 of 44 bit */ +#define R_SPARC_REGISTER 53 /* Global register usage */ +#define R_SPARC_UA64 54 /* Direct 64 bit unaligned */ +#define R_SPARC_UA16 55 /* Direct 16 bit unaligned */ +#define R_SPARC_TLS_GD_HI22 56 +#define R_SPARC_TLS_GD_LO10 57 +#define R_SPARC_TLS_GD_ADD 58 +#define R_SPARC_TLS_GD_CALL 59 +#define R_SPARC_TLS_LDM_HI22 60 +#define R_SPARC_TLS_LDM_LO10 61 +#define R_SPARC_TLS_LDM_ADD 62 +#define R_SPARC_TLS_LDM_CALL 63 +#define R_SPARC_TLS_LDO_HIX22 64 +#define R_SPARC_TLS_LDO_LOX10 65 +#define R_SPARC_TLS_LDO_ADD 66 +#define R_SPARC_TLS_IE_HI22 67 +#define R_SPARC_TLS_IE_LO10 68 +#define R_SPARC_TLS_IE_LD 69 +#define R_SPARC_TLS_IE_LDX 70 +#define R_SPARC_TLS_IE_ADD 71 +#define R_SPARC_TLS_LE_HIX22 72 +#define R_SPARC_TLS_LE_LOX10 73 +#define R_SPARC_TLS_DTPMOD32 74 +#define R_SPARC_TLS_DTPMOD64 75 +#define R_SPARC_TLS_DTPOFF32 76 +#define R_SPARC_TLS_DTPOFF64 77 +#define R_SPARC_TLS_TPOFF32 78 +#define R_SPARC_TLS_TPOFF64 79 +#define R_SPARC_GOTDATA_HIX22 80 +#define R_SPARC_GOTDATA_LOX10 81 +#define R_SPARC_GOTDATA_OP_HIX22 82 +#define R_SPARC_GOTDATA_OP_LOX10 83 +#define R_SPARC_GOTDATA_OP 84 +#define R_SPARC_H34 85 +#define R_SPARC_SIZE32 86 +#define R_SPARC_SIZE64 87 +#define R_SPARC_JMP_IREL 248 +#define R_SPARC_IRELATIVE 249 +#define R_SPARC_GNU_VTINHERIT 250 +#define R_SPARC_GNU_VTENTRY 251 +#define R_SPARC_REV32 252 +/* Keep this the last entry. */ +#define R_SPARC_NUM 253 + +/* For Sparc64, legal values for d_tag of Elf64_Dyn. */ + +#define DT_SPARC_REGISTER 0x70000001 +#define DT_SPARC_NUM 2 + +/* Bits present in AT_HWCAP on SPARC. */ + +#define HWCAP_SPARC_FLUSH 1 /* The CPU supports flush insn. */ +#define HWCAP_SPARC_STBAR 2 +#define HWCAP_SPARC_SWAP 4 +#define HWCAP_SPARC_MULDIV 8 +#define HWCAP_SPARC_V9 16 /* The CPU is v9, so v8plus is ok. */ +#define HWCAP_SPARC_ULTRA3 32 +#define HWCAP_SPARC_BLKINIT 64 /* Sun4v with block-init/load-twin. */ +#define HWCAP_SPARC_N2 128 + +/* MIPS R3000 specific definitions. */ + +/* Legal values for e_flags field of Elf32_Ehdr. */ + +#define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */ +#define EF_MIPS_PIC 2 /* Contains PIC code */ +#define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */ +#define EF_MIPS_XGOT 8 +#define EF_MIPS_64BIT_WHIRL 16 +#define EF_MIPS_ABI2 32 +#define EF_MIPS_ABI_ON32 64 +#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ + +/* Legal values for MIPS architecture level. */ + +#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ +#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ +#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ +#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ +#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ +#define EF_MIPS_ARCH_32 0x60000000 /* MIPS32 code. */ +#define EF_MIPS_ARCH_64 0x70000000 /* MIPS64 code. */ + +/* The following are non-official names and should not be used. */ + +#define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ +#define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ +#define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ +#define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ +#define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ +#define E_MIPS_ARCH_32 0x60000000 /* MIPS32 code. */ +#define E_MIPS_ARCH_64 0x70000000 /* MIPS64 code. */ + +/* Special section indices. */ + +#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */ +#define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ +#define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ +#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ +#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ + +/* Legal values for sh_type field of Elf32_Shdr. */ + +#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */ +#define SHT_MIPS_MSYM 0x70000001 +#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */ +#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */ +#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ +#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information*/ +#define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */ +#define SHT_MIPS_PACKAGE 0x70000007 +#define SHT_MIPS_PACKSYM 0x70000008 +#define SHT_MIPS_RELD 0x70000009 +#define SHT_MIPS_IFACE 0x7000000b +#define SHT_MIPS_CONTENT 0x7000000c +#define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */ +#define SHT_MIPS_SHDR 0x70000010 +#define SHT_MIPS_FDESC 0x70000011 +#define SHT_MIPS_EXTSYM 0x70000012 +#define SHT_MIPS_DENSE 0x70000013 +#define SHT_MIPS_PDESC 0x70000014 +#define SHT_MIPS_LOCSYM 0x70000015 +#define SHT_MIPS_AUXSYM 0x70000016 +#define SHT_MIPS_OPTSYM 0x70000017 +#define SHT_MIPS_LOCSTR 0x70000018 +#define SHT_MIPS_LINE 0x70000019 +#define SHT_MIPS_RFDESC 0x7000001a +#define SHT_MIPS_DELTASYM 0x7000001b +#define SHT_MIPS_DELTAINST 0x7000001c +#define SHT_MIPS_DELTACLASS 0x7000001d +#define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */ +#define SHT_MIPS_DELTADECL 0x7000001f +#define SHT_MIPS_SYMBOL_LIB 0x70000020 +#define SHT_MIPS_EVENTS 0x70000021 /* Event section. */ +#define SHT_MIPS_TRANSLATE 0x70000022 +#define SHT_MIPS_PIXIE 0x70000023 +#define SHT_MIPS_XLATE 0x70000024 +#define SHT_MIPS_XLATE_DEBUG 0x70000025 +#define SHT_MIPS_WHIRL 0x70000026 +#define SHT_MIPS_EH_REGION 0x70000027 +#define SHT_MIPS_XLATE_OLD 0x70000028 +#define SHT_MIPS_PDR_EXCEPTION 0x70000029 + +/* Legal values for sh_flags field of Elf32_Shdr. */ + +#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */ +#define SHF_MIPS_MERGE 0x20000000 +#define SHF_MIPS_ADDR 0x40000000 +#define SHF_MIPS_STRINGS 0x80000000 +#define SHF_MIPS_NOSTRIP 0x08000000 +#define SHF_MIPS_LOCAL 0x04000000 +#define SHF_MIPS_NAMES 0x02000000 +#define SHF_MIPS_NODUPE 0x01000000 + + +/* Symbol tables. */ + +/* MIPS specific values for `st_other'. */ +#define STO_MIPS_DEFAULT 0x0 +#define STO_MIPS_INTERNAL 0x1 +#define STO_MIPS_HIDDEN 0x2 +#define STO_MIPS_PROTECTED 0x3 +#define STO_MIPS_PLT 0x8 +#define STO_MIPS_SC_ALIGN_UNUSED 0xff + +/* MIPS specific values for `st_info'. */ +#define STB_MIPS_SPLIT_COMMON 13 + +/* Entries found in sections of type SHT_MIPS_GPTAB. */ + +typedef union +{ + struct + { + Elf32_Word gt_current_g_value; /* -G value used for compilation */ + Elf32_Word gt_unused; /* Not used */ + } gt_header; /* First entry in section */ + struct + { + Elf32_Word gt_g_value; /* If this value were used for -G */ + Elf32_Word gt_bytes; /* This many bytes would be used */ + } gt_entry; /* Subsequent entries in section */ +} Elf32_gptab; + +/* Entry found in sections of type SHT_MIPS_REGINFO. */ + +typedef struct +{ + Elf32_Word ri_gprmask; /* General registers used */ + Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */ + Elf32_Sword ri_gp_value; /* $gp register value */ +} Elf32_RegInfo; + +/* Entries found in sections of type SHT_MIPS_OPTIONS. */ + +typedef struct +{ + unsigned char kind; /* Determines interpretation of the + variable part of descriptor. */ + unsigned char size; /* Size of descriptor, including header. */ + Elf32_Section section; /* Section header index of section affected, + 0 for global options. */ + Elf32_Word info; /* Kind-specific information. */ +} Elf_Options; + +/* Values for `kind' field in Elf_Options. */ + +#define ODK_NULL 0 /* Undefined. */ +#define ODK_REGINFO 1 /* Register usage information. */ +#define ODK_EXCEPTIONS 2 /* Exception processing options. */ +#define ODK_PAD 3 /* Section padding options. */ +#define ODK_HWPATCH 4 /* Hardware workarounds performed */ +#define ODK_FILL 5 /* record the fill value used by the linker. */ +#define ODK_TAGS 6 /* reserve space for desktop tools to write. */ +#define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */ +#define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */ + +/* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */ + +#define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */ +#define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */ +#define OEX_PAGE0 0x10000 /* page zero must be mapped. */ +#define OEX_SMM 0x20000 /* Force sequential memory mode? */ +#define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */ +#define OEX_PRECISEFP OEX_FPDBUG +#define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */ + +#define OEX_FPU_INVAL 0x10 +#define OEX_FPU_DIV0 0x08 +#define OEX_FPU_OFLO 0x04 +#define OEX_FPU_UFLO 0x02 +#define OEX_FPU_INEX 0x01 + +/* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */ + +#define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */ +#define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */ +#define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */ +#define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */ + +#define OPAD_PREFIX 0x1 +#define OPAD_POSTFIX 0x2 +#define OPAD_SYMBOL 0x4 + +/* Entry found in `.options' section. */ + +typedef struct +{ + Elf32_Word hwp_flags1; /* Extra flags. */ + Elf32_Word hwp_flags2; /* Extra flags. */ +} Elf_Options_Hw; + +/* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */ + +#define OHWA0_R4KEOP_CHECKED 0x00000001 +#define OHWA1_R4KEOP_CLEAN 0x00000002 + +/* MIPS relocs. */ + +#define R_MIPS_NONE 0 /* No reloc */ +#define R_MIPS_16 1 /* Direct 16 bit */ +#define R_MIPS_32 2 /* Direct 32 bit */ +#define R_MIPS_REL32 3 /* PC relative 32 bit */ +#define R_MIPS_26 4 /* Direct 26 bit shifted */ +#define R_MIPS_HI16 5 /* High 16 bit */ +#define R_MIPS_LO16 6 /* Low 16 bit */ +#define R_MIPS_GPREL16 7 /* GP relative 16 bit */ +#define R_MIPS_LITERAL 8 /* 16 bit literal entry */ +#define R_MIPS_GOT16 9 /* 16 bit GOT entry */ +#define R_MIPS_PC16 10 /* PC relative 16 bit */ +#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ +#define R_MIPS_GPREL32 12 /* GP relative 32 bit */ + +#define R_MIPS_SHIFT5 16 +#define R_MIPS_SHIFT6 17 +#define R_MIPS_64 18 +#define R_MIPS_GOT_DISP 19 +#define R_MIPS_GOT_PAGE 20 +#define R_MIPS_GOT_OFST 21 +#define R_MIPS_GOT_HI16 22 +#define R_MIPS_GOT_LO16 23 +#define R_MIPS_SUB 24 +#define R_MIPS_INSERT_A 25 +#define R_MIPS_INSERT_B 26 +#define R_MIPS_DELETE 27 +#define R_MIPS_HIGHER 28 +#define R_MIPS_HIGHEST 29 +#define R_MIPS_CALL_HI16 30 +#define R_MIPS_CALL_LO16 31 +#define R_MIPS_SCN_DISP 32 +#define R_MIPS_REL16 33 +#define R_MIPS_ADD_IMMEDIATE 34 +#define R_MIPS_PJUMP 35 +#define R_MIPS_RELGOT 36 +#define R_MIPS_JALR 37 +#define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */ +#define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */ +#define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */ +#define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */ +#define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */ +#define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */ +#define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */ +#define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */ +#define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */ +#define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */ +#define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */ +#define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */ +#define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */ +#define R_MIPS_GLOB_DAT 51 +#define R_MIPS_COPY 126 +#define R_MIPS_JUMP_SLOT 127 +/* Keep this the last entry. */ +#define R_MIPS_NUM 128 + +/* Legal values for p_type field of Elf32_Phdr. */ + +#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ +#define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */ +#define PT_MIPS_OPTIONS 0x70000002 + +/* Special program header types. */ + +#define PF_MIPS_LOCAL 0x10000000 + +/* Legal values for d_tag field of Elf32_Dyn. */ + +#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */ +#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ +#define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */ +#define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ +#define DT_MIPS_FLAGS 0x70000005 /* Flags */ +#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */ +#define DT_MIPS_MSYM 0x70000007 +#define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */ +#define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */ +#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */ +#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */ +#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */ +#define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */ +#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ +#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */ +#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ +#define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */ +#define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */ +#define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in + DT_MIPS_DELTA_CLASS. */ +#define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */ +#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in + DT_MIPS_DELTA_INSTANCE. */ +#define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */ +#define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in + DT_MIPS_DELTA_RELOC. */ +#define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta + relocations refer to. */ +#define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in + DT_MIPS_DELTA_SYM. */ +#define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the + class declaration. */ +#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in + DT_MIPS_DELTA_CLASSSYM. */ +#define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */ +#define DT_MIPS_PIXIE_INIT 0x70000023 +#define DT_MIPS_SYMBOL_LIB 0x70000024 +#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 +#define DT_MIPS_LOCAL_GOTIDX 0x70000026 +#define DT_MIPS_HIDDEN_GOTIDX 0x70000027 +#define DT_MIPS_PROTECTED_GOTIDX 0x70000028 +#define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */ +#define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */ +#define DT_MIPS_DYNSTR_ALIGN 0x7000002b +#define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */ +#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve + function stored in GOT. */ +#define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added + by rld on dlopen() calls. */ +#define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */ +#define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */ +#define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */ +/* The address of .got.plt in an executable using the new non-PIC ABI. */ +#define DT_MIPS_PLTGOT 0x70000032 +/* The base of the PLT in an executable using the new non-PIC ABI if that + PLT is writable. For a non-writable PLT, this is omitted or has a zero + value. */ +#define DT_MIPS_RWPLT 0x70000034 +#define DT_MIPS_NUM 0x35 + +/* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */ + +#define RHF_NONE 0 /* No flags */ +#define RHF_QUICKSTART (1 << 0) /* Use quickstart */ +#define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */ +#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */ +#define RHF_NO_MOVE (1 << 3) +#define RHF_SGI_ONLY (1 << 4) +#define RHF_GUARANTEE_INIT (1 << 5) +#define RHF_DELTA_C_PLUS_PLUS (1 << 6) +#define RHF_GUARANTEE_START_INIT (1 << 7) +#define RHF_PIXIE (1 << 8) +#define RHF_DEFAULT_DELAY_LOAD (1 << 9) +#define RHF_REQUICKSTART (1 << 10) +#define RHF_REQUICKSTARTED (1 << 11) +#define RHF_CORD (1 << 12) +#define RHF_NO_UNRES_UNDEF (1 << 13) +#define RHF_RLD_ORDER_SAFE (1 << 14) + +/* Entries found in sections of type SHT_MIPS_LIBLIST. */ + +typedef struct +{ + Elf32_Word l_name; /* Name (string table index) */ + Elf32_Word l_time_stamp; /* Timestamp */ + Elf32_Word l_checksum; /* Checksum */ + Elf32_Word l_version; /* Interface version */ + Elf32_Word l_flags; /* Flags */ +} Elf32_Lib; + +typedef struct +{ + Elf64_Word l_name; /* Name (string table index) */ + Elf64_Word l_time_stamp; /* Timestamp */ + Elf64_Word l_checksum; /* Checksum */ + Elf64_Word l_version; /* Interface version */ + Elf64_Word l_flags; /* Flags */ +} Elf64_Lib; + + +/* Legal values for l_flags. */ + +#define LL_NONE 0 +#define LL_EXACT_MATCH (1 << 0) /* Require exact match */ +#define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */ +#define LL_REQUIRE_MINOR (1 << 2) +#define LL_EXPORTS (1 << 3) +#define LL_DELAY_LOAD (1 << 4) +#define LL_DELTA (1 << 5) + +/* Entries found in sections of type SHT_MIPS_CONFLICT. */ + +typedef Elf32_Addr Elf32_Conflict; + + +/* HPPA specific definitions. */ + +/* Legal values for e_flags field of Elf32_Ehdr. */ + +#define EF_PARISC_TRAPNIL 0x00010000 /* Trap nil pointer dereference. */ +#define EF_PARISC_EXT 0x00020000 /* Program uses arch. extensions. */ +#define EF_PARISC_LSB 0x00040000 /* Program expects little endian. */ +#define EF_PARISC_WIDE 0x00080000 /* Program expects wide mode. */ +#define EF_PARISC_NO_KABP 0x00100000 /* No kernel assisted branch + prediction. */ +#define EF_PARISC_LAZYSWAP 0x00400000 /* Allow lazy swapping. */ +#define EF_PARISC_ARCH 0x0000ffff /* Architecture version. */ + +/* Defined values for `e_flags & EF_PARISC_ARCH' are: */ + +#define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */ +#define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */ +#define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */ + +/* Additional section indeces. */ + +#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared + symbols in ANSI C. */ +#define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */ + +/* Legal values for sh_type field of Elf32_Shdr. */ + +#define SHT_PARISC_EXT 0x70000000 /* Contains product specific ext. */ +#define SHT_PARISC_UNWIND 0x70000001 /* Unwind information. */ +#define SHT_PARISC_DOC 0x70000002 /* Debug info for optimized code. */ + +/* Legal values for sh_flags field of Elf32_Shdr. */ + +#define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */ +#define SHF_PARISC_HUGE 0x40000000 /* Section far from gp. */ +#define SHF_PARISC_SBP 0x80000000 /* Static branch prediction code. */ + +/* Legal values for ST_TYPE subfield of st_info (symbol type). */ + +#define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */ + +#define STT_HP_OPAQUE (STT_LOOS + 0x1) +#define STT_HP_STUB (STT_LOOS + 0x2) + +/* HPPA relocs. */ + +#define R_PARISC_NONE 0 /* No reloc. */ +#define R_PARISC_DIR32 1 /* Direct 32-bit reference. */ +#define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */ +#define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */ +#define R_PARISC_DIR17F 4 /* 17 bits of eff. address. */ +#define R_PARISC_DIR14R 6 /* Right 14 bits of eff. address. */ +#define R_PARISC_PCREL32 9 /* 32-bit rel. address. */ +#define R_PARISC_PCREL21L 10 /* Left 21 bits of rel. address. */ +#define R_PARISC_PCREL17R 11 /* Right 17 bits of rel. address. */ +#define R_PARISC_PCREL17F 12 /* 17 bits of rel. address. */ +#define R_PARISC_PCREL14R 14 /* Right 14 bits of rel. address. */ +#define R_PARISC_DPREL21L 18 /* Left 21 bits of rel. address. */ +#define R_PARISC_DPREL14R 22 /* Right 14 bits of rel. address. */ +#define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */ +#define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */ +#define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */ +#define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */ +#define R_PARISC_SECREL32 41 /* 32 bits section rel. address. */ +#define R_PARISC_SEGBASE 48 /* No relocation, set segment base. */ +#define R_PARISC_SEGREL32 49 /* 32 bits segment rel. address. */ +#define R_PARISC_PLTOFF21L 50 /* PLT rel. address, left 21 bits. */ +#define R_PARISC_PLTOFF14R 54 /* PLT rel. address, right 14 bits. */ +#define R_PARISC_LTOFF_FPTR32 57 /* 32 bits LT-rel. function pointer. */ +#define R_PARISC_LTOFF_FPTR21L 58 /* LT-rel. fct ptr, left 21 bits. */ +#define R_PARISC_LTOFF_FPTR14R 62 /* LT-rel. fct ptr, right 14 bits. */ +#define R_PARISC_FPTR64 64 /* 64 bits function address. */ +#define R_PARISC_PLABEL32 65 /* 32 bits function address. */ +#define R_PARISC_PLABEL21L 66 /* Left 21 bits of fdesc address. */ +#define R_PARISC_PLABEL14R 70 /* Right 14 bits of fdesc address. */ +#define R_PARISC_PCREL64 72 /* 64 bits PC-rel. address. */ +#define R_PARISC_PCREL22F 74 /* 22 bits PC-rel. address. */ +#define R_PARISC_PCREL14WR 75 /* PC-rel. address, right 14 bits. */ +#define R_PARISC_PCREL14DR 76 /* PC rel. address, right 14 bits. */ +#define R_PARISC_PCREL16F 77 /* 16 bits PC-rel. address. */ +#define R_PARISC_PCREL16WF 78 /* 16 bits PC-rel. address. */ +#define R_PARISC_PCREL16DF 79 /* 16 bits PC-rel. address. */ +#define R_PARISC_DIR64 80 /* 64 bits of eff. address. */ +#define R_PARISC_DIR14WR 83 /* 14 bits of eff. address. */ +#define R_PARISC_DIR14DR 84 /* 14 bits of eff. address. */ +#define R_PARISC_DIR16F 85 /* 16 bits of eff. address. */ +#define R_PARISC_DIR16WF 86 /* 16 bits of eff. address. */ +#define R_PARISC_DIR16DF 87 /* 16 bits of eff. address. */ +#define R_PARISC_GPREL64 88 /* 64 bits of GP-rel. address. */ +#define R_PARISC_GPREL14WR 91 /* GP-rel. address, right 14 bits. */ +#define R_PARISC_GPREL14DR 92 /* GP-rel. address, right 14 bits. */ +#define R_PARISC_GPREL16F 93 /* 16 bits GP-rel. address. */ +#define R_PARISC_GPREL16WF 94 /* 16 bits GP-rel. address. */ +#define R_PARISC_GPREL16DF 95 /* 16 bits GP-rel. address. */ +#define R_PARISC_LTOFF64 96 /* 64 bits LT-rel. address. */ +#define R_PARISC_LTOFF14WR 99 /* LT-rel. address, right 14 bits. */ +#define R_PARISC_LTOFF14DR 100 /* LT-rel. address, right 14 bits. */ +#define R_PARISC_LTOFF16F 101 /* 16 bits LT-rel. address. */ +#define R_PARISC_LTOFF16WF 102 /* 16 bits LT-rel. address. */ +#define R_PARISC_LTOFF16DF 103 /* 16 bits LT-rel. address. */ +#define R_PARISC_SECREL64 104 /* 64 bits section rel. address. */ +#define R_PARISC_SEGREL64 112 /* 64 bits segment rel. address. */ +#define R_PARISC_PLTOFF14WR 115 /* PLT-rel. address, right 14 bits. */ +#define R_PARISC_PLTOFF14DR 116 /* PLT-rel. address, right 14 bits. */ +#define R_PARISC_PLTOFF16F 117 /* 16 bits LT-rel. address. */ +#define R_PARISC_PLTOFF16WF 118 /* 16 bits PLT-rel. address. */ +#define R_PARISC_PLTOFF16DF 119 /* 16 bits PLT-rel. address. */ +#define R_PARISC_LTOFF_FPTR64 120 /* 64 bits LT-rel. function ptr. */ +#define R_PARISC_LTOFF_FPTR14WR 123 /* LT-rel. fct. ptr., right 14 bits. */ +#define R_PARISC_LTOFF_FPTR14DR 124 /* LT-rel. fct. ptr., right 14 bits. */ +#define R_PARISC_LTOFF_FPTR16F 125 /* 16 bits LT-rel. function ptr. */ +#define R_PARISC_LTOFF_FPTR16WF 126 /* 16 bits LT-rel. function ptr. */ +#define R_PARISC_LTOFF_FPTR16DF 127 /* 16 bits LT-rel. function ptr. */ +#define R_PARISC_LORESERVE 128 +#define R_PARISC_COPY 128 /* Copy relocation. */ +#define R_PARISC_IPLT 129 /* Dynamic reloc, imported PLT */ +#define R_PARISC_EPLT 130 /* Dynamic reloc, exported PLT */ +#define R_PARISC_TPREL32 153 /* 32 bits TP-rel. address. */ +#define R_PARISC_TPREL21L 154 /* TP-rel. address, left 21 bits. */ +#define R_PARISC_TPREL14R 158 /* TP-rel. address, right 14 bits. */ +#define R_PARISC_LTOFF_TP21L 162 /* LT-TP-rel. address, left 21 bits. */ +#define R_PARISC_LTOFF_TP14R 166 /* LT-TP-rel. address, right 14 bits.*/ +#define R_PARISC_LTOFF_TP14F 167 /* 14 bits LT-TP-rel. address. */ +#define R_PARISC_TPREL64 216 /* 64 bits TP-rel. address. */ +#define R_PARISC_TPREL14WR 219 /* TP-rel. address, right 14 bits. */ +#define R_PARISC_TPREL14DR 220 /* TP-rel. address, right 14 bits. */ +#define R_PARISC_TPREL16F 221 /* 16 bits TP-rel. address. */ +#define R_PARISC_TPREL16WF 222 /* 16 bits TP-rel. address. */ +#define R_PARISC_TPREL16DF 223 /* 16 bits TP-rel. address. */ +#define R_PARISC_LTOFF_TP64 224 /* 64 bits LT-TP-rel. address. */ +#define R_PARISC_LTOFF_TP14WR 227 /* LT-TP-rel. address, right 14 bits.*/ +#define R_PARISC_LTOFF_TP14DR 228 /* LT-TP-rel. address, right 14 bits.*/ +#define R_PARISC_LTOFF_TP16F 229 /* 16 bits LT-TP-rel. address. */ +#define R_PARISC_LTOFF_TP16WF 230 /* 16 bits LT-TP-rel. address. */ +#define R_PARISC_LTOFF_TP16DF 231 /* 16 bits LT-TP-rel. address. */ +#define R_PARISC_GNU_VTENTRY 232 +#define R_PARISC_GNU_VTINHERIT 233 +#define R_PARISC_TLS_GD21L 234 /* GD 21-bit left. */ +#define R_PARISC_TLS_GD14R 235 /* GD 14-bit right. */ +#define R_PARISC_TLS_GDCALL 236 /* GD call to __t_g_a. */ +#define R_PARISC_TLS_LDM21L 237 /* LD module 21-bit left. */ +#define R_PARISC_TLS_LDM14R 238 /* LD module 14-bit right. */ +#define R_PARISC_TLS_LDMCALL 239 /* LD module call to __t_g_a. */ +#define R_PARISC_TLS_LDO21L 240 /* LD offset 21-bit left. */ +#define R_PARISC_TLS_LDO14R 241 /* LD offset 14-bit right. */ +#define R_PARISC_TLS_DTPMOD32 242 /* DTP module 32-bit. */ +#define R_PARISC_TLS_DTPMOD64 243 /* DTP module 64-bit. */ +#define R_PARISC_TLS_DTPOFF32 244 /* DTP offset 32-bit. */ +#define R_PARISC_TLS_DTPOFF64 245 /* DTP offset 32-bit. */ +#define R_PARISC_TLS_LE21L R_PARISC_TPREL21L +#define R_PARISC_TLS_LE14R R_PARISC_TPREL14R +#define R_PARISC_TLS_IE21L R_PARISC_LTOFF_TP21L +#define R_PARISC_TLS_IE14R R_PARISC_LTOFF_TP14R +#define R_PARISC_TLS_TPREL32 R_PARISC_TPREL32 +#define R_PARISC_TLS_TPREL64 R_PARISC_TPREL64 +#define R_PARISC_HIRESERVE 255 + +/* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */ + +#define PT_HP_TLS (PT_LOOS + 0x0) +#define PT_HP_CORE_NONE (PT_LOOS + 0x1) +#define PT_HP_CORE_VERSION (PT_LOOS + 0x2) +#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3) +#define PT_HP_CORE_COMM (PT_LOOS + 0x4) +#define PT_HP_CORE_PROC (PT_LOOS + 0x5) +#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6) +#define PT_HP_CORE_STACK (PT_LOOS + 0x7) +#define PT_HP_CORE_SHM (PT_LOOS + 0x8) +#define PT_HP_CORE_MMF (PT_LOOS + 0x9) +#define PT_HP_PARALLEL (PT_LOOS + 0x10) +#define PT_HP_FASTBIND (PT_LOOS + 0x11) +#define PT_HP_OPT_ANNOT (PT_LOOS + 0x12) +#define PT_HP_HSL_ANNOT (PT_LOOS + 0x13) +#define PT_HP_STACK (PT_LOOS + 0x14) + +#define PT_PARISC_ARCHEXT 0x70000000 +#define PT_PARISC_UNWIND 0x70000001 + +/* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr. */ + +#define PF_PARISC_SBP 0x08000000 + +#define PF_HP_PAGE_SIZE 0x00100000 +#define PF_HP_FAR_SHARED 0x00200000 +#define PF_HP_NEAR_SHARED 0x00400000 +#define PF_HP_CODE 0x01000000 +#define PF_HP_MODIFY 0x02000000 +#define PF_HP_LAZYSWAP 0x04000000 +#define PF_HP_SBP 0x08000000 + + +/* Alpha specific definitions. */ + +/* Legal values for e_flags field of Elf64_Ehdr. */ + +#define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */ +#define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */ + +/* Legal values for sh_type field of Elf64_Shdr. */ + +/* These two are primerily concerned with ECOFF debugging info. */ +#define SHT_ALPHA_DEBUG 0x70000001 +#define SHT_ALPHA_REGINFO 0x70000002 + +/* Legal values for sh_flags field of Elf64_Shdr. */ + +#define SHF_ALPHA_GPREL 0x10000000 + +/* Legal values for st_other field of Elf64_Sym. */ +#define STO_ALPHA_NOPV 0x80 /* No PV required. */ +#define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */ + +/* Alpha relocs. */ + +#define R_ALPHA_NONE 0 /* No reloc */ +#define R_ALPHA_REFLONG 1 /* Direct 32 bit */ +#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ +#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ +#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ +#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ +#define R_ALPHA_GPDISP 6 /* Add displacement to GP */ +#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ +#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ +#define R_ALPHA_SREL16 9 /* PC relative 16 bit */ +#define R_ALPHA_SREL32 10 /* PC relative 32 bit */ +#define R_ALPHA_SREL64 11 /* PC relative 64 bit */ +#define R_ALPHA_GPRELHIGH 17 /* GP relative 32 bit, high 16 bits */ +#define R_ALPHA_GPRELLOW 18 /* GP relative 32 bit, low 16 bits */ +#define R_ALPHA_GPREL16 19 /* GP relative 16 bit */ +#define R_ALPHA_COPY 24 /* Copy symbol at runtime */ +#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ +#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ +#define R_ALPHA_RELATIVE 27 /* Adjust by program base */ +#define R_ALPHA_TLS_GD_HI 28 +#define R_ALPHA_TLSGD 29 +#define R_ALPHA_TLS_LDM 30 +#define R_ALPHA_DTPMOD64 31 +#define R_ALPHA_GOTDTPREL 32 +#define R_ALPHA_DTPREL64 33 +#define R_ALPHA_DTPRELHI 34 +#define R_ALPHA_DTPRELLO 35 +#define R_ALPHA_DTPREL16 36 +#define R_ALPHA_GOTTPREL 37 +#define R_ALPHA_TPREL64 38 +#define R_ALPHA_TPRELHI 39 +#define R_ALPHA_TPRELLO 40 +#define R_ALPHA_TPREL16 41 +/* Keep this the last entry. */ +#define R_ALPHA_NUM 46 + +/* Magic values of the LITUSE relocation addend. */ +#define LITUSE_ALPHA_ADDR 0 +#define LITUSE_ALPHA_BASE 1 +#define LITUSE_ALPHA_BYTOFF 2 +#define LITUSE_ALPHA_JSR 3 +#define LITUSE_ALPHA_TLS_GD 4 +#define LITUSE_ALPHA_TLS_LDM 5 + +/* Legal values for d_tag of Elf64_Dyn. */ +#define DT_ALPHA_PLTRO (DT_LOPROC + 0) +#define DT_ALPHA_NUM 1 + +/* PowerPC specific declarations */ + +/* Values for Elf32/64_Ehdr.e_flags. */ +#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */ + +/* Cygnus local bits below */ +#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/ +#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib + flag */ + +/* PowerPC relocations defined by the ABIs */ +#define R_PPC_NONE 0 +#define R_PPC_ADDR32 1 /* 32bit absolute address */ +#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ +#define R_PPC_ADDR16 3 /* 16bit absolute address */ +#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ +#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ +#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ +#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ +#define R_PPC_ADDR14_BRTAKEN 8 +#define R_PPC_ADDR14_BRNTAKEN 9 +#define R_PPC_REL24 10 /* PC relative 26 bit */ +#define R_PPC_REL14 11 /* PC relative 16 bit */ +#define R_PPC_REL14_BRTAKEN 12 +#define R_PPC_REL14_BRNTAKEN 13 +#define R_PPC_GOT16 14 +#define R_PPC_GOT16_LO 15 +#define R_PPC_GOT16_HI 16 +#define R_PPC_GOT16_HA 17 +#define R_PPC_PLTREL24 18 +#define R_PPC_COPY 19 +#define R_PPC_GLOB_DAT 20 +#define R_PPC_JMP_SLOT 21 +#define R_PPC_RELATIVE 22 +#define R_PPC_LOCAL24PC 23 +#define R_PPC_UADDR32 24 +#define R_PPC_UADDR16 25 +#define R_PPC_REL32 26 +#define R_PPC_PLT32 27 +#define R_PPC_PLTREL32 28 +#define R_PPC_PLT16_LO 29 +#define R_PPC_PLT16_HI 30 +#define R_PPC_PLT16_HA 31 +#define R_PPC_SDAREL16 32 +#define R_PPC_SECTOFF 33 +#define R_PPC_SECTOFF_LO 34 +#define R_PPC_SECTOFF_HI 35 +#define R_PPC_SECTOFF_HA 36 + +/* PowerPC relocations defined for the TLS access ABI. */ +#define R_PPC_TLS 67 /* none (sym+add)@tls */ +#define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */ +#define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */ +#define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ +#define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ +#define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ +#define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */ +#define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */ +#define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ +#define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ +#define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ +#define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */ +#define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ +#define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ +#define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ +#define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ +#define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ +#define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ +#define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ +#define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ +#define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */ +#define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */ +#define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ +#define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ +#define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */ +#define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */ +#define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ +#define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ + +/* The remaining relocs are from the Embedded ELF ABI, and are not + in the SVR4 ELF ABI. */ +#define R_PPC_EMB_NADDR32 101 +#define R_PPC_EMB_NADDR16 102 +#define R_PPC_EMB_NADDR16_LO 103 +#define R_PPC_EMB_NADDR16_HI 104 +#define R_PPC_EMB_NADDR16_HA 105 +#define R_PPC_EMB_SDAI16 106 +#define R_PPC_EMB_SDA2I16 107 +#define R_PPC_EMB_SDA2REL 108 +#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */ +#define R_PPC_EMB_MRKREF 110 +#define R_PPC_EMB_RELSEC16 111 +#define R_PPC_EMB_RELST_LO 112 +#define R_PPC_EMB_RELST_HI 113 +#define R_PPC_EMB_RELST_HA 114 +#define R_PPC_EMB_BIT_FLD 115 +#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */ + +/* Diab tool relocations. */ +#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */ +#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */ +#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */ +#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */ +#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */ +#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */ + +/* GNU extension to support local ifunc. */ +#define R_PPC_IRELATIVE 248 + +/* GNU relocs used in PIC code sequences. */ +#define R_PPC_REL16 249 /* half16 (sym+add-.) */ +#define R_PPC_REL16_LO 250 /* half16 (sym+add-.)@l */ +#define R_PPC_REL16_HI 251 /* half16 (sym+add-.)@h */ +#define R_PPC_REL16_HA 252 /* half16 (sym+add-.)@ha */ + +/* This is a phony reloc to handle any old fashioned TOC16 references + that may still be in object files. */ +#define R_PPC_TOC16 255 + +/* PowerPC specific values for the Dyn d_tag field. */ +#define DT_PPC_GOT (DT_LOPROC + 0) +#define DT_PPC_NUM 1 + +/* PowerPC64 relocations defined by the ABIs */ +#define R_PPC64_NONE R_PPC_NONE +#define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address */ +#define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned */ +#define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address */ +#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of address */ +#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of address. */ +#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */ +#define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned */ +#define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN +#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN +#define R_PPC64_REL24 R_PPC_REL24 /* PC-rel. 26 bit, word aligned */ +#define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit */ +#define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN +#define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN +#define R_PPC64_GOT16 R_PPC_GOT16 +#define R_PPC64_GOT16_LO R_PPC_GOT16_LO +#define R_PPC64_GOT16_HI R_PPC_GOT16_HI +#define R_PPC64_GOT16_HA R_PPC_GOT16_HA + +#define R_PPC64_COPY R_PPC_COPY +#define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT +#define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT +#define R_PPC64_RELATIVE R_PPC_RELATIVE + +#define R_PPC64_UADDR32 R_PPC_UADDR32 +#define R_PPC64_UADDR16 R_PPC_UADDR16 +#define R_PPC64_REL32 R_PPC_REL32 +#define R_PPC64_PLT32 R_PPC_PLT32 +#define R_PPC64_PLTREL32 R_PPC_PLTREL32 +#define R_PPC64_PLT16_LO R_PPC_PLT16_LO +#define R_PPC64_PLT16_HI R_PPC_PLT16_HI +#define R_PPC64_PLT16_HA R_PPC_PLT16_HA + +#define R_PPC64_SECTOFF R_PPC_SECTOFF +#define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO +#define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI +#define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA +#define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2 */ +#define R_PPC64_ADDR64 38 /* doubleword64 S + A */ +#define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A) */ +#define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A) */ +#define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A) */ +#define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A) */ +#define R_PPC64_UADDR64 43 /* doubleword64 S + A */ +#define R_PPC64_REL64 44 /* doubleword64 S + A - P */ +#define R_PPC64_PLT64 45 /* doubleword64 L + A */ +#define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P */ +#define R_PPC64_TOC16 47 /* half16* S + A - .TOC */ +#define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.) */ +#define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.) */ +#define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.) */ +#define R_PPC64_TOC 51 /* doubleword64 .TOC */ +#define R_PPC64_PLTGOT16 52 /* half16* M + A */ +#define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A) */ +#define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A) */ +#define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A) */ + +#define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2 */ +#define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2 */ +#define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2 */ +#define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2 */ +#define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2 */ +#define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2 */ +#define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2 */ +#define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2 */ +#define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2 */ +#define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2 */ +#define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2 */ + +/* PowerPC64 relocations defined for the TLS access ABI. */ +#define R_PPC64_TLS 67 /* none (sym+add)@tls */ +#define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */ +#define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */ +#define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ +#define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ +#define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ +#define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */ +#define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */ +#define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ +#define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ +#define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ +#define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */ +#define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ +#define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ +#define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ +#define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ +#define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ +#define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ +#define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ +#define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ +#define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */ +#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */ +#define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ +#define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ +#define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */ +#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */ +#define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */ +#define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */ +#define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */ +#define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */ +#define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */ +#define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */ +#define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */ +#define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */ +#define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */ +#define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */ +#define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */ +#define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */ +#define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */ +#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */ + +/* GNU extension to support local ifunc. */ +#define R_PPC64_JMP_IREL 247 +#define R_PPC64_IRELATIVE 248 +#define R_PPC64_REL16 249 /* half16 (sym+add-.) */ +#define R_PPC64_REL16_LO 250 /* half16 (sym+add-.)@l */ +#define R_PPC64_REL16_HI 251 /* half16 (sym+add-.)@h */ +#define R_PPC64_REL16_HA 252 /* half16 (sym+add-.)@ha */ + +/* PowerPC64 specific values for the Dyn d_tag field. */ +#define DT_PPC64_GLINK (DT_LOPROC + 0) +#define DT_PPC64_OPD (DT_LOPROC + 1) +#define DT_PPC64_OPDSZ (DT_LOPROC + 2) +#define DT_PPC64_NUM 3 + + +/* ARM specific declarations */ + +/* Processor specific flags for the ELF header e_flags field. */ +#define EF_ARM_RELEXEC 0x01 +#define EF_ARM_HASENTRY 0x02 +#define EF_ARM_INTERWORK 0x04 +#define EF_ARM_APCS_26 0x08 +#define EF_ARM_APCS_FLOAT 0x10 +#define EF_ARM_PIC 0x20 +#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use */ +#define EF_ARM_NEW_ABI 0x80 +#define EF_ARM_OLD_ABI 0x100 +#define EF_ARM_SOFT_FLOAT 0x200 +#define EF_ARM_VFP_FLOAT 0x400 +#define EF_ARM_MAVERICK_FLOAT 0x800 + + +/* Other constants defined in the ARM ELF spec. version B-01. */ +/* NB. These conflict with values defined above. */ +#define EF_ARM_SYMSARESORTED 0x04 +#define EF_ARM_DYNSYMSUSESEGIDX 0x08 +#define EF_ARM_MAPSYMSFIRST 0x10 +#define EF_ARM_EABIMASK 0XFF000000 + +/* Constants defined in AAELF. */ +#define EF_ARM_BE8 0x00800000 +#define EF_ARM_LE8 0x00400000 + +#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) +#define EF_ARM_EABI_UNKNOWN 0x00000000 +#define EF_ARM_EABI_VER1 0x01000000 +#define EF_ARM_EABI_VER2 0x02000000 +#define EF_ARM_EABI_VER3 0x03000000 +#define EF_ARM_EABI_VER4 0x04000000 +#define EF_ARM_EABI_VER5 0x05000000 + +/* Additional symbol types for Thumb. */ +#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ +#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ + +/* ARM-specific values for sh_flags */ +#define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */ +#define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined + in the input to a link step. */ + +/* ARM-specific program header flags */ +#define PF_ARM_SB 0x10000000 /* Segment contains the location + addressed by the static base. */ +#define PF_ARM_PI 0x20000000 /* Position-independent segment. */ +#define PF_ARM_ABS 0x40000000 /* Absolute segment. */ + +/* Processor specific values for the Phdr p_type field. */ +#define PT_ARM_EXIDX (PT_LOPROC + 1) /* ARM unwind segment. */ + +/* Processor specific values for the Shdr sh_type field. */ +#define SHT_ARM_EXIDX (SHT_LOPROC + 1) /* ARM unwind section. */ +#define SHT_ARM_PREEMPTMAP (SHT_LOPROC + 2) /* Preemption details. */ +#define SHT_ARM_ATTRIBUTES (SHT_LOPROC + 3) /* ARM attributes section. */ + + +/* ARM relocs. */ + +#define R_ARM_NONE 0 /* No reloc */ +#define R_ARM_PC24 1 /* PC relative 26 bit branch */ +#define R_ARM_ABS32 2 /* Direct 32 bit */ +#define R_ARM_REL32 3 /* PC relative 32 bit */ +#define R_ARM_PC13 4 +#define R_ARM_ABS16 5 /* Direct 16 bit */ +#define R_ARM_ABS12 6 /* Direct 12 bit */ +#define R_ARM_THM_ABS5 7 +#define R_ARM_ABS8 8 /* Direct 8 bit */ +#define R_ARM_SBREL32 9 +#define R_ARM_THM_PC22 10 +#define R_ARM_THM_PC8 11 +#define R_ARM_AMP_VCALL9 12 +#define R_ARM_SWI24 13 +#define R_ARM_THM_SWI8 14 +#define R_ARM_XPC25 15 +#define R_ARM_THM_XPC22 16 +#define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ +#define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ +#define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ +#define R_ARM_COPY 20 /* Copy symbol at runtime */ +#define R_ARM_GLOB_DAT 21 /* Create GOT entry */ +#define R_ARM_JUMP_SLOT 22 /* Create PLT entry */ +#define R_ARM_RELATIVE 23 /* Adjust by program base */ +#define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */ +#define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */ +#define R_ARM_GOT32 26 /* 32 bit GOT entry */ +#define R_ARM_PLT32 27 /* 32 bit PLT address */ +#define R_ARM_ALU_PCREL_7_0 32 +#define R_ARM_ALU_PCREL_15_8 33 +#define R_ARM_ALU_PCREL_23_15 34 +#define R_ARM_LDR_SBREL_11_0 35 +#define R_ARM_ALU_SBREL_19_12 36 +#define R_ARM_ALU_SBREL_27_20 37 +#define R_ARM_GNU_VTENTRY 100 +#define R_ARM_GNU_VTINHERIT 101 +#define R_ARM_THM_PC11 102 /* thumb unconditional branch */ +#define R_ARM_THM_PC9 103 /* thumb conditional branch */ +#define R_ARM_TLS_GD32 104 /* PC-rel 32 bit for global dynamic + thread local data */ +#define R_ARM_TLS_LDM32 105 /* PC-rel 32 bit for local dynamic + thread local data */ +#define R_ARM_TLS_LDO32 106 /* 32 bit offset relative to TLS + block */ +#define R_ARM_TLS_IE32 107 /* PC-rel 32 bit for GOT entry of + static TLS block offset */ +#define R_ARM_TLS_LE32 108 /* 32 bit offset relative to static + TLS block */ +#define R_ARM_RXPC25 249 +#define R_ARM_RSBREL32 250 +#define R_ARM_THM_RPC22 251 +#define R_ARM_RREL32 252 +#define R_ARM_RABS22 253 +#define R_ARM_RPC24 254 +#define R_ARM_RBASE 255 +/* Keep this the last entry. */ +#define R_ARM_NUM 256 + +/* IA-64 specific declarations. */ + +/* Processor specific flags for the Ehdr e_flags field. */ +#define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */ +#define EF_IA_64_ABI64 0x00000010 /* 64-bit ABI */ +#define EF_IA_64_ARCH 0xff000000 /* arch. version mask */ + +/* Processor specific values for the Phdr p_type field. */ +#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* arch extension bits */ +#define PT_IA_64_UNWIND (PT_LOPROC + 1) /* ia64 unwind bits */ +#define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12) +#define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13) +#define PT_IA_64_HP_STACK (PT_LOOS + 0x14) + +/* Processor specific flags for the Phdr p_flags field. */ +#define PF_IA_64_NORECOV 0x80000000 /* spec insns w/o recovery */ + +/* Processor specific values for the Shdr sh_type field. */ +#define SHT_IA_64_EXT (SHT_LOPROC + 0) /* extension bits */ +#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* unwind bits */ + +/* Processor specific flags for the Shdr sh_flags field. */ +#define SHF_IA_64_SHORT 0x10000000 /* section near gp */ +#define SHF_IA_64_NORECOV 0x20000000 /* spec insns w/o recovery */ + +/* Processor specific values for the Dyn d_tag field. */ +#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) +#define DT_IA_64_NUM 1 + +/* IA-64 relocations. */ +#define R_IA64_NONE 0x00 /* none */ +#define R_IA64_IMM14 0x21 /* symbol + addend, add imm14 */ +#define R_IA64_IMM22 0x22 /* symbol + addend, add imm22 */ +#define R_IA64_IMM64 0x23 /* symbol + addend, mov imm64 */ +#define R_IA64_DIR32MSB 0x24 /* symbol + addend, data4 MSB */ +#define R_IA64_DIR32LSB 0x25 /* symbol + addend, data4 LSB */ +#define R_IA64_DIR64MSB 0x26 /* symbol + addend, data8 MSB */ +#define R_IA64_DIR64LSB 0x27 /* symbol + addend, data8 LSB */ +#define R_IA64_GPREL22 0x2a /* @gprel(sym + add), add imm22 */ +#define R_IA64_GPREL64I 0x2b /* @gprel(sym + add), mov imm64 */ +#define R_IA64_GPREL32MSB 0x2c /* @gprel(sym + add), data4 MSB */ +#define R_IA64_GPREL32LSB 0x2d /* @gprel(sym + add), data4 LSB */ +#define R_IA64_GPREL64MSB 0x2e /* @gprel(sym + add), data8 MSB */ +#define R_IA64_GPREL64LSB 0x2f /* @gprel(sym + add), data8 LSB */ +#define R_IA64_LTOFF22 0x32 /* @ltoff(sym + add), add imm22 */ +#define R_IA64_LTOFF64I 0x33 /* @ltoff(sym + add), mov imm64 */ +#define R_IA64_PLTOFF22 0x3a /* @pltoff(sym + add), add imm22 */ +#define R_IA64_PLTOFF64I 0x3b /* @pltoff(sym + add), mov imm64 */ +#define R_IA64_PLTOFF64MSB 0x3e /* @pltoff(sym + add), data8 MSB */ +#define R_IA64_PLTOFF64LSB 0x3f /* @pltoff(sym + add), data8 LSB */ +#define R_IA64_FPTR64I 0x43 /* @fptr(sym + add), mov imm64 */ +#define R_IA64_FPTR32MSB 0x44 /* @fptr(sym + add), data4 MSB */ +#define R_IA64_FPTR32LSB 0x45 /* @fptr(sym + add), data4 LSB */ +#define R_IA64_FPTR64MSB 0x46 /* @fptr(sym + add), data8 MSB */ +#define R_IA64_FPTR64LSB 0x47 /* @fptr(sym + add), data8 LSB */ +#define R_IA64_PCREL60B 0x48 /* @pcrel(sym + add), brl */ +#define R_IA64_PCREL21B 0x49 /* @pcrel(sym + add), ptb, call */ +#define R_IA64_PCREL21M 0x4a /* @pcrel(sym + add), chk.s */ +#define R_IA64_PCREL21F 0x4b /* @pcrel(sym + add), fchkf */ +#define R_IA64_PCREL32MSB 0x4c /* @pcrel(sym + add), data4 MSB */ +#define R_IA64_PCREL32LSB 0x4d /* @pcrel(sym + add), data4 LSB */ +#define R_IA64_PCREL64MSB 0x4e /* @pcrel(sym + add), data8 MSB */ +#define R_IA64_PCREL64LSB 0x4f /* @pcrel(sym + add), data8 LSB */ +#define R_IA64_LTOFF_FPTR22 0x52 /* @ltoff(@fptr(s+a)), imm22 */ +#define R_IA64_LTOFF_FPTR64I 0x53 /* @ltoff(@fptr(s+a)), imm64 */ +#define R_IA64_LTOFF_FPTR32MSB 0x54 /* @ltoff(@fptr(s+a)), data4 MSB */ +#define R_IA64_LTOFF_FPTR32LSB 0x55 /* @ltoff(@fptr(s+a)), data4 LSB */ +#define R_IA64_LTOFF_FPTR64MSB 0x56 /* @ltoff(@fptr(s+a)), data8 MSB */ +#define R_IA64_LTOFF_FPTR64LSB 0x57 /* @ltoff(@fptr(s+a)), data8 LSB */ +#define R_IA64_SEGREL32MSB 0x5c /* @segrel(sym + add), data4 MSB */ +#define R_IA64_SEGREL32LSB 0x5d /* @segrel(sym + add), data4 LSB */ +#define R_IA64_SEGREL64MSB 0x5e /* @segrel(sym + add), data8 MSB */ +#define R_IA64_SEGREL64LSB 0x5f /* @segrel(sym + add), data8 LSB */ +#define R_IA64_SECREL32MSB 0x64 /* @secrel(sym + add), data4 MSB */ +#define R_IA64_SECREL32LSB 0x65 /* @secrel(sym + add), data4 LSB */ +#define R_IA64_SECREL64MSB 0x66 /* @secrel(sym + add), data8 MSB */ +#define R_IA64_SECREL64LSB 0x67 /* @secrel(sym + add), data8 LSB */ +#define R_IA64_REL32MSB 0x6c /* data 4 + REL */ +#define R_IA64_REL32LSB 0x6d /* data 4 + REL */ +#define R_IA64_REL64MSB 0x6e /* data 8 + REL */ +#define R_IA64_REL64LSB 0x6f /* data 8 + REL */ +#define R_IA64_LTV32MSB 0x74 /* symbol + addend, data4 MSB */ +#define R_IA64_LTV32LSB 0x75 /* symbol + addend, data4 LSB */ +#define R_IA64_LTV64MSB 0x76 /* symbol + addend, data8 MSB */ +#define R_IA64_LTV64LSB 0x77 /* symbol + addend, data8 LSB */ +#define R_IA64_PCREL21BI 0x79 /* @pcrel(sym + add), 21bit inst */ +#define R_IA64_PCREL22 0x7a /* @pcrel(sym + add), 22bit inst */ +#define R_IA64_PCREL64I 0x7b /* @pcrel(sym + add), 64bit inst */ +#define R_IA64_IPLTMSB 0x80 /* dynamic reloc, imported PLT, MSB */ +#define R_IA64_IPLTLSB 0x81 /* dynamic reloc, imported PLT, LSB */ +#define R_IA64_COPY 0x84 /* copy relocation */ +#define R_IA64_SUB 0x85 /* Addend and symbol difference */ +#define R_IA64_LTOFF22X 0x86 /* LTOFF22, relaxable. */ +#define R_IA64_LDXMOV 0x87 /* Use of LTOFF22X. */ +#define R_IA64_TPREL14 0x91 /* @tprel(sym + add), imm14 */ +#define R_IA64_TPREL22 0x92 /* @tprel(sym + add), imm22 */ +#define R_IA64_TPREL64I 0x93 /* @tprel(sym + add), imm64 */ +#define R_IA64_TPREL64MSB 0x96 /* @tprel(sym + add), data8 MSB */ +#define R_IA64_TPREL64LSB 0x97 /* @tprel(sym + add), data8 LSB */ +#define R_IA64_LTOFF_TPREL22 0x9a /* @ltoff(@tprel(s+a)), imm2 */ +#define R_IA64_DTPMOD64MSB 0xa6 /* @dtpmod(sym + add), data8 MSB */ +#define R_IA64_DTPMOD64LSB 0xa7 /* @dtpmod(sym + add), data8 LSB */ +#define R_IA64_LTOFF_DTPMOD22 0xaa /* @ltoff(@dtpmod(sym + add)), imm22 */ +#define R_IA64_DTPREL14 0xb1 /* @dtprel(sym + add), imm14 */ +#define R_IA64_DTPREL22 0xb2 /* @dtprel(sym + add), imm22 */ +#define R_IA64_DTPREL64I 0xb3 /* @dtprel(sym + add), imm64 */ +#define R_IA64_DTPREL32MSB 0xb4 /* @dtprel(sym + add), data4 MSB */ +#define R_IA64_DTPREL32LSB 0xb5 /* @dtprel(sym + add), data4 LSB */ +#define R_IA64_DTPREL64MSB 0xb6 /* @dtprel(sym + add), data8 MSB */ +#define R_IA64_DTPREL64LSB 0xb7 /* @dtprel(sym + add), data8 LSB */ +#define R_IA64_LTOFF_DTPREL22 0xba /* @ltoff(@dtprel(s+a)), imm22 */ + +/* SH specific declarations */ + +/* Processor specific flags for the ELF header e_flags field. */ +#define EF_SH_MACH_MASK 0x1f +#define EF_SH_UNKNOWN 0x0 +#define EF_SH1 0x1 +#define EF_SH2 0x2 +#define EF_SH3 0x3 +#define EF_SH_DSP 0x4 +#define EF_SH3_DSP 0x5 +#define EF_SH4AL_DSP 0x6 +#define EF_SH3E 0x8 +#define EF_SH4 0x9 +#define EF_SH2E 0xb +#define EF_SH4A 0xc +#define EF_SH2A 0xd +#define EF_SH4_NOFPU 0x10 +#define EF_SH4A_NOFPU 0x11 +#define EF_SH4_NOMMU_NOFPU 0x12 +#define EF_SH2A_NOFPU 0x13 +#define EF_SH3_NOMMU 0x14 +#define EF_SH2A_SH4_NOFPU 0x15 +#define EF_SH2A_SH3_NOFPU 0x16 +#define EF_SH2A_SH4 0x17 +#define EF_SH2A_SH3E 0x18 + +/* SH relocs. */ +#define R_SH_NONE 0 +#define R_SH_DIR32 1 +#define R_SH_REL32 2 +#define R_SH_DIR8WPN 3 +#define R_SH_IND12W 4 +#define R_SH_DIR8WPL 5 +#define R_SH_DIR8WPZ 6 +#define R_SH_DIR8BP 7 +#define R_SH_DIR8W 8 +#define R_SH_DIR8L 9 +#define R_SH_SWITCH16 25 +#define R_SH_SWITCH32 26 +#define R_SH_USES 27 +#define R_SH_COUNT 28 +#define R_SH_ALIGN 29 +#define R_SH_CODE 30 +#define R_SH_DATA 31 +#define R_SH_LABEL 32 +#define R_SH_SWITCH8 33 +#define R_SH_GNU_VTINHERIT 34 +#define R_SH_GNU_VTENTRY 35 +#define R_SH_TLS_GD_32 144 +#define R_SH_TLS_LD_32 145 +#define R_SH_TLS_LDO_32 146 +#define R_SH_TLS_IE_32 147 +#define R_SH_TLS_LE_32 148 +#define R_SH_TLS_DTPMOD32 149 +#define R_SH_TLS_DTPOFF32 150 +#define R_SH_TLS_TPOFF32 151 +#define R_SH_GOT32 160 +#define R_SH_PLT32 161 +#define R_SH_COPY 162 +#define R_SH_GLOB_DAT 163 +#define R_SH_JMP_SLOT 164 +#define R_SH_RELATIVE 165 +#define R_SH_GOTOFF 166 +#define R_SH_GOTPC 167 +/* Keep this the last entry. */ +#define R_SH_NUM 256 + +/* S/390 specific definitions. */ + +/* Valid values for the e_flags field. */ + +#define EF_S390_HIGH_GPRS 0x00000001 /* High GPRs kernel facility needed. */ + +/* Additional s390 relocs */ + +#define R_390_NONE 0 /* No reloc. */ +#define R_390_8 1 /* Direct 8 bit. */ +#define R_390_12 2 /* Direct 12 bit. */ +#define R_390_16 3 /* Direct 16 bit. */ +#define R_390_32 4 /* Direct 32 bit. */ +#define R_390_PC32 5 /* PC relative 32 bit. */ +#define R_390_GOT12 6 /* 12 bit GOT offset. */ +#define R_390_GOT32 7 /* 32 bit GOT offset. */ +#define R_390_PLT32 8 /* 32 bit PC relative PLT address. */ +#define R_390_COPY 9 /* Copy symbol at runtime. */ +#define R_390_GLOB_DAT 10 /* Create GOT entry. */ +#define R_390_JMP_SLOT 11 /* Create PLT entry. */ +#define R_390_RELATIVE 12 /* Adjust by program base. */ +#define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */ +#define R_390_GOTPC 14 /* 32 bit PC relative offset to GOT. */ +#define R_390_GOT16 15 /* 16 bit GOT offset. */ +#define R_390_PC16 16 /* PC relative 16 bit. */ +#define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */ +#define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */ +#define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */ +#define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */ +#define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */ +#define R_390_64 22 /* Direct 64 bit. */ +#define R_390_PC64 23 /* PC relative 64 bit. */ +#define R_390_GOT64 24 /* 64 bit GOT offset. */ +#define R_390_PLT64 25 /* 64 bit PC relative PLT address. */ +#define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */ +#define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */ +#define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */ +#define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */ +#define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */ +#define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */ +#define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */ +#define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */ +#define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */ +#define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */ +#define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */ +#define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */ +#define R_390_TLS_GDCALL 38 /* Tag for function call in general + dynamic TLS code. */ +#define R_390_TLS_LDCALL 39 /* Tag for function call in local + dynamic TLS code. */ +#define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic + thread local data. */ +#define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic + thread local data. */ +#define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS + block offset. */ +#define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS + block offset. */ +#define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS + block offset. */ +#define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic + thread local data in LE code. */ +#define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic + thread local data in LE code. */ +#define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for + negated static TLS block offset. */ +#define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for + negated static TLS block offset. */ +#define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for + negated static TLS block offset. */ +#define R_390_TLS_LE32 50 /* 32 bit negated offset relative to + static TLS block. */ +#define R_390_TLS_LE64 51 /* 64 bit negated offset relative to + static TLS block. */ +#define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS + block. */ +#define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS + block. */ +#define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */ +#define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */ +#define R_390_TLS_TPOFF 56 /* Negated offset in static TLS + block. */ +#define R_390_20 57 /* Direct 20 bit. */ +#define R_390_GOT20 58 /* 20 bit GOT offset. */ +#define R_390_GOTPLT20 59 /* 20 bit offset to jump slot. */ +#define R_390_TLS_GOTIE20 60 /* 20 bit GOT offset for static TLS + block offset. */ +/* Keep this the last entry. */ +#define R_390_NUM 61 + + +/* CRIS relocations. */ +#define R_CRIS_NONE 0 +#define R_CRIS_8 1 +#define R_CRIS_16 2 +#define R_CRIS_32 3 +#define R_CRIS_8_PCREL 4 +#define R_CRIS_16_PCREL 5 +#define R_CRIS_32_PCREL 6 +#define R_CRIS_GNU_VTINHERIT 7 +#define R_CRIS_GNU_VTENTRY 8 +#define R_CRIS_COPY 9 +#define R_CRIS_GLOB_DAT 10 +#define R_CRIS_JUMP_SLOT 11 +#define R_CRIS_RELATIVE 12 +#define R_CRIS_16_GOT 13 +#define R_CRIS_32_GOT 14 +#define R_CRIS_16_GOTPLT 15 +#define R_CRIS_32_GOTPLT 16 +#define R_CRIS_32_GOTREL 17 +#define R_CRIS_32_PLT_GOTREL 18 +#define R_CRIS_32_PLT_PCREL 19 + +#define R_CRIS_NUM 20 + + +/* AMD x86-64 relocations. */ +#define R_X86_64_NONE 0 /* No reloc */ +#define R_X86_64_64 1 /* Direct 64 bit */ +#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ +#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ +#define R_X86_64_PLT32 4 /* 32 bit PLT address */ +#define R_X86_64_COPY 5 /* Copy symbol at runtime */ +#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ +#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ +#define R_X86_64_RELATIVE 8 /* Adjust by program base */ +#define R_X86_64_GOTPCREL 9 /* 32 bit signed PC relative + offset to GOT */ +#define R_X86_64_32 10 /* Direct 32 bit zero extended */ +#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ +#define R_X86_64_16 12 /* Direct 16 bit zero extended */ +#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ +#define R_X86_64_8 14 /* Direct 8 bit sign extended */ +#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ +#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ +#define R_X86_64_DTPOFF64 17 /* Offset in module's TLS block */ +#define R_X86_64_TPOFF64 18 /* Offset in initial TLS block */ +#define R_X86_64_TLSGD 19 /* 32 bit signed PC relative offset + to two GOT entries for GD symbol */ +#define R_X86_64_TLSLD 20 /* 32 bit signed PC relative offset + to two GOT entries for LD symbol */ +#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ +#define R_X86_64_GOTTPOFF 22 /* 32 bit signed PC relative offset + to GOT entry for IE symbol */ +#define R_X86_64_TPOFF32 23 /* Offset in initial TLS block */ +#define R_X86_64_PC64 24 /* PC relative 64 bit */ +#define R_X86_64_GOTOFF64 25 /* 64 bit offset to GOT */ +#define R_X86_64_GOTPC32 26 /* 32 bit signed pc relative + offset to GOT */ +#define R_X86_64_GOT64 27 /* 64-bit GOT entry offset */ +#define R_X86_64_GOTPCREL64 28 /* 64-bit PC relative offset + to GOT entry */ +#define R_X86_64_GOTPC64 29 /* 64-bit PC relative offset to GOT */ +#define R_X86_64_GOTPLT64 30 /* like GOT64, says PLT entry needed */ +#define R_X86_64_PLTOFF64 31 /* 64-bit GOT relative offset + to PLT entry */ +#define R_X86_64_SIZE32 32 /* Size of symbol plus 32-bit addend */ +#define R_X86_64_SIZE64 33 /* Size of symbol plus 64-bit addend */ +#define R_X86_64_GOTPC32_TLSDESC 34 /* GOT offset for TLS descriptor. */ +#define R_X86_64_TLSDESC_CALL 35 /* Marker for call through TLS + descriptor. */ +#define R_X86_64_TLSDESC 36 /* TLS descriptor. */ +#define R_X86_64_IRELATIVE 37 /* Adjust indirectly by program base */ + +#define R_X86_64_NUM 38 + + +/* AM33 relocations. */ +#define R_MN10300_NONE 0 /* No reloc. */ +#define R_MN10300_32 1 /* Direct 32 bit. */ +#define R_MN10300_16 2 /* Direct 16 bit. */ +#define R_MN10300_8 3 /* Direct 8 bit. */ +#define R_MN10300_PCREL32 4 /* PC-relative 32-bit. */ +#define R_MN10300_PCREL16 5 /* PC-relative 16-bit signed. */ +#define R_MN10300_PCREL8 6 /* PC-relative 8-bit signed. */ +#define R_MN10300_GNU_VTINHERIT 7 /* Ancient C++ vtable garbage... */ +#define R_MN10300_GNU_VTENTRY 8 /* ... collection annotation. */ +#define R_MN10300_24 9 /* Direct 24 bit. */ +#define R_MN10300_GOTPC32 10 /* 32-bit PCrel offset to GOT. */ +#define R_MN10300_GOTPC16 11 /* 16-bit PCrel offset to GOT. */ +#define R_MN10300_GOTOFF32 12 /* 32-bit offset from GOT. */ +#define R_MN10300_GOTOFF24 13 /* 24-bit offset from GOT. */ +#define R_MN10300_GOTOFF16 14 /* 16-bit offset from GOT. */ +#define R_MN10300_PLT32 15 /* 32-bit PCrel to PLT entry. */ +#define R_MN10300_PLT16 16 /* 16-bit PCrel to PLT entry. */ +#define R_MN10300_GOT32 17 /* 32-bit offset to GOT entry. */ +#define R_MN10300_GOT24 18 /* 24-bit offset to GOT entry. */ +#define R_MN10300_GOT16 19 /* 16-bit offset to GOT entry. */ +#define R_MN10300_COPY 20 /* Copy symbol at runtime. */ +#define R_MN10300_GLOB_DAT 21 /* Create GOT entry. */ +#define R_MN10300_JMP_SLOT 22 /* Create PLT entry. */ +#define R_MN10300_RELATIVE 23 /* Adjust by program base. */ + +#define R_MN10300_NUM 24 + + +/* M32R relocs. */ +#define R_M32R_NONE 0 /* No reloc. */ +#define R_M32R_16 1 /* Direct 16 bit. */ +#define R_M32R_32 2 /* Direct 32 bit. */ +#define R_M32R_24 3 /* Direct 24 bit. */ +#define R_M32R_10_PCREL 4 /* PC relative 10 bit shifted. */ +#define R_M32R_18_PCREL 5 /* PC relative 18 bit shifted. */ +#define R_M32R_26_PCREL 6 /* PC relative 26 bit shifted. */ +#define R_M32R_HI16_ULO 7 /* High 16 bit with unsigned low. */ +#define R_M32R_HI16_SLO 8 /* High 16 bit with signed low. */ +#define R_M32R_LO16 9 /* Low 16 bit. */ +#define R_M32R_SDA16 10 /* 16 bit offset in SDA. */ +#define R_M32R_GNU_VTINHERIT 11 +#define R_M32R_GNU_VTENTRY 12 +/* M32R relocs use SHT_RELA. */ +#define R_M32R_16_RELA 33 /* Direct 16 bit. */ +#define R_M32R_32_RELA 34 /* Direct 32 bit. */ +#define R_M32R_24_RELA 35 /* Direct 24 bit. */ +#define R_M32R_10_PCREL_RELA 36 /* PC relative 10 bit shifted. */ +#define R_M32R_18_PCREL_RELA 37 /* PC relative 18 bit shifted. */ +#define R_M32R_26_PCREL_RELA 38 /* PC relative 26 bit shifted. */ +#define R_M32R_HI16_ULO_RELA 39 /* High 16 bit with unsigned low */ +#define R_M32R_HI16_SLO_RELA 40 /* High 16 bit with signed low */ +#define R_M32R_LO16_RELA 41 /* Low 16 bit */ +#define R_M32R_SDA16_RELA 42 /* 16 bit offset in SDA */ +#define R_M32R_RELA_GNU_VTINHERIT 43 +#define R_M32R_RELA_GNU_VTENTRY 44 +#define R_M32R_REL32 45 /* PC relative 32 bit. */ + +#define R_M32R_GOT24 48 /* 24 bit GOT entry */ +#define R_M32R_26_PLTREL 49 /* 26 bit PC relative to PLT shifted */ +#define R_M32R_COPY 50 /* Copy symbol at runtime */ +#define R_M32R_GLOB_DAT 51 /* Create GOT entry */ +#define R_M32R_JMP_SLOT 52 /* Create PLT entry */ +#define R_M32R_RELATIVE 53 /* Adjust by program base */ +#define R_M32R_GOTOFF 54 /* 24 bit offset to GOT */ +#define R_M32R_GOTPC24 55 /* 24 bit PC relative offset to GOT */ +#define R_M32R_GOT16_HI_ULO 56 /* High 16 bit GOT entry with unsigned + low */ +#define R_M32R_GOT16_HI_SLO 57 /* High 16 bit GOT entry with signed + low */ +#define R_M32R_GOT16_LO 58 /* Low 16 bit GOT entry */ +#define R_M32R_GOTPC_HI_ULO 59 /* High 16 bit PC relative offset to + GOT with unsigned low */ +#define R_M32R_GOTPC_HI_SLO 60 /* High 16 bit PC relative offset to + GOT with signed low */ +#define R_M32R_GOTPC_LO 61 /* Low 16 bit PC relative offset to + GOT */ +#define R_M32R_GOTOFF_HI_ULO 62 /* High 16 bit offset to GOT + with unsigned low */ +#define R_M32R_GOTOFF_HI_SLO 63 /* High 16 bit offset to GOT + with signed low */ +#define R_M32R_GOTOFF_LO 64 /* Low 16 bit offset to GOT */ +#define R_M32R_NUM 256 /* Keep this the last entry. */ + + +__END_DECLS + +#endif /* elf.h */ diff --git a/trunk/src/execle_open.c b/trunk/src/execle_open.c index 52872aa..2ee5cbc 100644 --- a/trunk/src/execle_open.c +++ b/trunk/src/execle_open.c @@ -50,7 +50,7 @@ execve_open (const char *path, char *const argv[], char *const envp[]) return NULL; } - switch (vfork ()) + switch (pid = vfork ()) { case -1: error (0, errno, "Could not run %s", path); @@ -64,6 +64,7 @@ execve_open (const char *path, char *const argv[], char *const envp[]) } dup2 (1, 2); execve (path, argv, envp); + error (0, errno, "Could not run %s", path); _exit (127); } diff --git a/trunk/src/execstack.c b/trunk/src/execstack.c index 2f503ba..dda6bc7 100644 --- a/trunk/src/execstack.c +++ b/trunk/src/execstack.c @@ -32,11 +32,11 @@ int set; int execflag; -const char *argp_program_version = "execstack 1.0"; +const char *argp_program_version = EXECSTACK_PROG PKGVERSION " 1.0"; -const char *argp_program_bug_address = "<jakub@redhat.com>"; +const char *argp_program_bug_address = REPORT_BUGS_TO; -static char argp_doc[] = "execstack -- program to query or set executable stack flag"; +static char argp_doc[] = EXECSTACK_PROG " -- program to query or set executable stack flag"; static struct argp_option options[] = { {"set-execstack", 's', 0, 0, "Set executable stack flag bit" }, @@ -47,6 +47,13 @@ static struct argp_option options[] = { { 0 } }; +/* The cached value of argv[0]. */ +const char *program_path; + +/* The full pathname of the prelink tool, or NULL if it hasn't been + computed yet. */ +const char *prelink_path; + static error_t parse_opt (int key, char *arg, struct argp_state *state) { @@ -90,6 +97,8 @@ execstack_make_rdwr (DSO *dso, int flag) DSO *ndso = NULL; char *p = NULL; char filename[strlen (dso->filename) + sizeof ".#execstack#.XXXXXX"]; + extern char *make_relative_prefix (const char *, const char *, const char *); + char *dirname; for (i = 0; i < dso->ehdr.e_shnum; ++i) { @@ -107,7 +116,7 @@ execstack_make_rdwr (DSO *dso, int flag) header we've created. */ sprintf (filename, "%s.#execstack#.XXXXXX", dso->filename); - fd = mkstemp (filename); + fd = wrap_mkstemp (filename); if (fd == -1) { error (0, 0, "%s: Cannot create temporary file", @@ -123,13 +132,18 @@ execstack_make_rdwr (DSO *dso, int flag) goto error_out; } + if (prelink_path == NULL) + { + dirname = make_relative_prefix (program_path, BINDIR, SBINDIR); + asprintf (&prelink_path, "%s/%s", dirname, PRELINK_PROG EXEEXT); + free (dirname); + } + pid = vfork (); if (pid == 0) { close (fd); - execlp ("prelink", "prelink", "-u", "-o", filename, - dso->filename, NULL); - execl (SBINDIR "/prelink", "prelink", "-u", "-o", filename, + execl (prelink_path, prelink_path, "-u", "-o", filename, dso->filename, NULL); _exit (-1); } @@ -183,7 +197,8 @@ execstack_make_rdwr (DSO *dso, int flag) ndso->filename = p; p = NULL; - unlink (filename); + wrap_unlink (filename); + fsync (fd); close (fd); fd = -1; close_dso (dso); @@ -195,7 +210,8 @@ error_out: close_dso (ndso); if (fd != -1) { - unlink (filename); + wrap_unlink (filename); + fsync (fd); close (fd); } close_dso (dso); @@ -400,6 +416,8 @@ main (int argc, char *argv[]) { int remaining, failures = 0; + program_path = argv[0]; + setlocale (LC_ALL, ""); argp_parse (&argp, argc, argv, 0, &remaining, 0); diff --git a/trunk/src/gather.c b/trunk/src/gather.c index af4cfa5..c3d3128 100644 --- a/trunk/src/gather.c +++ b/trunk/src/gather.c @@ -61,8 +61,8 @@ gather_deps (DSO *dso, struct prelink_entry *ent) { int i, j, seen = 0; FILE *f = NULL; - const char *argv[5]; - const char *envp[4]; + const char *argv[6]; + const char *envp[5]; char *line = NULL, *p, *q = NULL; const char **depends = NULL; size_t ndepends = 0, ndepends_alloced = 0; @@ -143,11 +143,6 @@ gather_deps (DSO *dso, struct prelink_entry *ent) i = 0; argv[i++] = dl; - if (ld_library_path) - { - argv[i++] = "--library-path"; - argv[i++] = ld_library_path; - } if (strchr (ent->filename, '/') != NULL) ent_filename = ent->filename; else @@ -158,13 +153,55 @@ gather_deps (DSO *dso, struct prelink_entry *ent) memcpy (tp + 2, ent->filename, flen + 1); ent_filename = tp; } - argv[i++] = ent_filename; - argv[i] = NULL; - envp[0] = "LD_TRACE_LOADED_OBJECTS=1"; - envp[1] = "LD_TRACE_PRELINKING=1"; - envp[2] = "LD_WARN="; - envp[3] = NULL; - f = execve_open (dl, (char * const *)argv, (char * const *)envp); + + if (prelink_rtld == NULL) + { + i = 0; + argv[i++] = dl; + if (ld_library_path) + { + argv[i++] = "--library-path"; + argv[i++] = ld_library_path; + } + argv[i++] = ent_filename; + argv[i] = NULL; + envp[0] = "LD_TRACE_LOADED_OBJECTS=1"; + envp[1] = "LD_TRACE_PRELINKING=1"; + envp[2] = "LD_WARN="; + envp[3] = NULL; + f = execve_open (dl, (char * const *)argv, (char * const *)envp); + } + else + { + char *path; + i = 0; + argv[i++] = prelink_rtld; + if (ld_library_path) + { + argv[i++] = "--library-path"; + argv[i++] = ld_library_path; + } + argv[i++] = "--target-paths"; + argv[i++] = ent_filename; + argv[i] = NULL; + envp[0] = "RTLD_TRACE_PRELINKING=1"; + envp[1] = "RTLD_WARN="; + path = alloca (sizeof "PATH=" + strlen (getenv ("PATH"))); + sprintf (path, "PATH=%s", getenv ("PATH")); + envp[2] = path; + + if (sysroot) + { + envp[3] = alloca (sizeof "PRELINK_SYSROOT=" + strlen (sysroot)); + sprintf ((char *) envp[3], "PRELINK_SYSROOT=%s", sysroot); + envp[4] = NULL; + } + else + envp[3] = NULL; + + f = execve_open (prelink_rtld, (char * const *)argv, (char * const *)envp); + } + if (f == NULL) goto error_out; @@ -183,8 +220,8 @@ gather_deps (DSO *dso, struct prelink_entry *ent) q = strstr (p, " ("); if (q == NULL && strcmp (p, " => not found") == 0) { - error (0, 0, "%s: Could not find one of the dependencies", - ent->filename); + error (0, 0, "%s: Could not find one of the dependencies: %s", + ent->filename, line); goto error_out; } } @@ -551,13 +588,21 @@ make_unprelinkable: } dl = dynamic_linker ?: dso->arch->dynamic_linker; - if (strcmp (dl, data->d_buf) != 0) + if (strcmp (dl, data->d_buf) != 0 + && (dynamic_linker != NULL || dso->arch->dynamic_linker_alt == NULL + || strcmp (dso->arch->dynamic_linker_alt, data->d_buf) != 0)) { error (0, 0, "%s: Using %s, not %s as dynamic linker", dso->filename, (char *) data->d_buf, dl); goto error_out; } + if (dso_has_bad_textrel (dso)) + { + error (0, 0, "%s has text relocations", dso->filename); + goto make_unprelinkable; + } + ent = prelink_find_entry (dso->filename, st, 1); if (ent == NULL) goto error_out; @@ -634,6 +679,77 @@ add_dir_to_dirlist (const char *name, dev_t dev, int flags) return 0; } +/* Determine if a buffer holding an ELF header and program header + table may be that of a position-independent executable. */ +static int +maybe_pie (unsigned char *e_ident, int big_endian, int sixty_four) +{ + uint16_t num_phdrs; + uint16_t phdr; + size_t p_type_offset; + size_t phnum_offset; + unsigned char *phdr_table; + unsigned char *this_phdr; + + if (sixty_four) + { + uint64_t phdr_offset; + + p_type_offset = offsetof (Elf64_Phdr, p_type); + phnum_offset = offsetof (Elf64_Ehdr, e_phnum); + if (big_endian) + phdr_offset = buf_read_ube64 (&e_ident [offsetof (Elf64_Ehdr, + e_phoff)]); + else + phdr_offset = buf_read_ule64 (&e_ident [offsetof (Elf64_Ehdr, + e_phoff)]); + phdr_table = e_ident + phdr_offset; + } + else + { + uint32_t phdr_offset; + + p_type_offset = offsetof (Elf32_Phdr, p_type); + phnum_offset = offsetof (Elf32_Ehdr, e_phnum); + if (big_endian) + phdr_offset = buf_read_ube32 (&e_ident [offsetof (Elf32_Ehdr, + e_phoff)]); + else + phdr_offset = buf_read_ule32 (&e_ident [offsetof (Elf32_Ehdr, + e_phoff)]); + phdr_table = e_ident + phdr_offset; + } + + this_phdr = phdr_table; + + if (big_endian) + num_phdrs = buf_read_ube16 (&e_ident [phnum_offset]); + else + num_phdrs = buf_read_ule16 (&e_ident [phnum_offset]); + + for (phdr = 0; phdr < num_phdrs; phdr++) + { + unsigned char *p_type_start = this_phdr + p_type_offset; + uint32_t p_type; + + if (big_endian) + p_type = buf_read_ube32 (p_type_start); + else + p_type = buf_read_ule32 (p_type_start); + + if (p_type == PT_PHDR) + return 1; + + /* Any PT_PHDR entry must come before any PT_LOAD entry. */ + if (p_type == PT_LOAD) + return 0; + + this_phdr += sixty_four ? sizeof (Elf64_Phdr) : sizeof (Elf32_Phdr); + } + + return 0; +} + static int gather_func (const char *name, const struct stat64 *st, int type, struct FTW *ftwp) @@ -693,13 +809,14 @@ gather_func (const char *name, const struct stat64 *st, int type, if (st->st_size < sizeof (e_ident)) return FTW_CONTINUE; - fd = open (name, O_RDONLY); + fd = wrap_open (name, O_RDONLY); if (fd == -1) return FTW_CONTINUE; if (read (fd, e_ident, sizeof (e_ident)) != sizeof (e_ident)) { close_it: + fsync (fd); close (fd); return FTW_CONTINUE; } @@ -718,6 +835,7 @@ make_unprelinkable: ent->type = ET_UNPRELINKABLE; } } + fsync (fd); close (fd); return FTW_CONTINUE; } @@ -733,66 +851,25 @@ make_unprelinkable: goto make_unprelinkable; else if (e_ident [EI_CLASS] == ELFCLASS32) { - if (e_ident [offsetof (Elf32_Ehdr, e_phoff)] - == sizeof (Elf32_Ehdr) - && memcmp (e_ident + offsetof (Elf32_Ehdr, e_phoff) + 1, - "\0\0\0", 3) == 0) + if (maybe_pie (e_ident, 0, 0)) { - Elf32_Half phnum, i; - unsigned char *p; - phnum = e_ident [offsetof (Elf32_Ehdr, e_phnum)] - + (e_ident [offsetof (Elf32_Ehdr, e_phnum) + 1] - << 8); - p = e_ident + sizeof (Elf32_Ehdr) - + offsetof (Elf32_Phdr, p_type); - for (i = 0; i < phnum; i++, p += sizeof (Elf32_Phdr)) - { - if (p[0] == PT_PHDR - && memcmp (p + 1, "\0\0\0", 3) == 0) - { maybe_pie: - dso = fdopen_dso (fd, name); - if (dso == NULL) - goto close_it; - if (dynamic_info_is_set (dso, DT_DEBUG)) - { - close_dso (dso); - goto make_unprelinkable; - } - close_dso (dso); - goto close_it; - } - if (p[3] < (PT_LOPROC >> 24) - || p[3] > (PT_HIPROC >> 24)) - break; + dso = fdopen_dso (fd, name); + if (dso == NULL) + goto close_it; + if (dynamic_info_is_set (dso, DT_DEBUG)) + { + close_dso (dso); + goto make_unprelinkable; } + close_dso (dso); } goto close_it; } else if (e_ident [EI_CLASS] == ELFCLASS64) { - if (e_ident [offsetof (Elf64_Ehdr, e_phoff)] - == sizeof (Elf64_Ehdr) - && memcmp (e_ident + offsetof (Elf64_Ehdr, e_phoff) + 1, - "\0\0\0\0\0\0\0", 7) == 0) - { - Elf64_Half phnum, i; - unsigned char *p; - phnum = e_ident [offsetof (Elf64_Ehdr, e_phnum)] - + (e_ident [offsetof (Elf64_Ehdr, e_phnum) + 1] - << 8); - p = e_ident + sizeof (Elf64_Ehdr) - + offsetof (Elf64_Phdr, p_type); - for (i = 0; i < phnum; i++, p += sizeof (Elf64_Phdr)) - { - if (p[0] == PT_PHDR - && memcmp (p + 1, "\0\0\0", 3) == 0) - goto maybe_pie; - if (p[3] < (PT_LOPROC >> 24) - || p[3] > (PT_HIPROC >> 24)) - break; - } - } + if (maybe_pie (e_ident, 0, 1)) + goto maybe_pie; goto close_it; } else @@ -808,52 +885,14 @@ maybe_pie: goto make_unprelinkable; else if (e_ident [EI_CLASS] == ELFCLASS32) { - if (e_ident [offsetof (Elf32_Ehdr, e_phoff) + 3] - == sizeof (Elf32_Ehdr) - && memcmp (e_ident + offsetof (Elf32_Ehdr, e_phoff), - "\0\0\0", 3) == 0) - { - Elf32_Half phnum, i; - unsigned char *p; - phnum = (e_ident [offsetof (Elf32_Ehdr, e_phnum)] << 8) - + e_ident [offsetof (Elf32_Ehdr, e_phnum) + 1]; - p = e_ident + sizeof (Elf32_Ehdr) - + offsetof (Elf32_Phdr, p_type); - for (i = 0; i < phnum; i++, p += sizeof (Elf32_Phdr)) - { - if (p[3] == PT_PHDR - && memcmp (p, "\0\0\0", 3) == 0) - goto maybe_pie; - if (p[0] < (PT_LOPROC >> 24) - || p[0] > (PT_HIPROC >> 24)) - break; - } - } + if (maybe_pie (e_ident, 1, 0)) + goto maybe_pie; goto close_it; } else if (e_ident [EI_CLASS] == ELFCLASS64) { - if (e_ident [offsetof (Elf64_Ehdr, e_phoff) + 7] - == sizeof (Elf64_Ehdr) - && memcmp (e_ident + offsetof (Elf64_Ehdr, e_phoff), - "\0\0\0\0\0\0\0", 7) == 0) - { - Elf64_Half phnum, i; - unsigned char *p; - phnum = (e_ident [offsetof (Elf64_Ehdr, e_phnum)] << 8) - + e_ident [offsetof (Elf64_Ehdr, e_phnum) + 1]; - p = e_ident + sizeof (Elf64_Ehdr) - + offsetof (Elf64_Phdr, p_type); - for (i = 0; i < phnum; i++, p += sizeof (Elf64_Phdr)) - { - if (p[3] == PT_PHDR - && memcmp (p, "\0\0\0", 3) == 0) - goto maybe_pie; - if (p[0] < (PT_LOPROC >> 24) - || p[0] > (PT_HIPROC >> 24)) - break; - } - } + if (maybe_pie (e_ident, 1, 1)) + goto maybe_pie; goto close_it; } else @@ -928,7 +967,7 @@ gather_binlib (const char *name, const struct stat64 *st) return 0; } - fd = open (name, O_RDONLY); + fd = wrap_open (name, O_RDONLY); if (fd == -1) { error (0, errno, "Could not open %s", name); @@ -938,6 +977,7 @@ gather_binlib (const char *name, const struct stat64 *st) if (read (fd, e_ident, sizeof (e_ident)) != sizeof (e_ident)) { error (0, errno, "Could not read ELF header from %s", name); + fsync (fd); close (fd); return 1; } @@ -947,6 +987,7 @@ gather_binlib (const char *name, const struct stat64 *st) if (memcmp (e_ident, ELFMAG, SELFMAG) != 0) { error (0, 0, "%s is not an ELF object", name); + fsync (fd); close (fd); return 1; } @@ -971,6 +1012,7 @@ gather_binlib (const char *name, const struct stat64 *st) { unsupported_type: error (0, 0, "%s is neither ELF executable nor ELF shared library", name); + fsync (fd); close (fd); return 1; } @@ -1016,7 +1058,7 @@ gather_object (const char *name, int deref, int onefs) { struct stat64 st; - if (stat64 (name, &st) < 0) + if (wrap_stat64 (name, &st) < 0) { if (implicit) return 0; @@ -1039,7 +1081,7 @@ gather_object (const char *name, int deref, int onefs) if (!all && implicit && ! deref) return 0; ++implicit; - ret = nftw64 (name, gather_func, 20, flags | FTW_ACTIONRETVAL); + ret = wrap_nftw64 (name, gather_func, 20, flags | FTW_ACTIONRETVAL); --implicit; if (ret < 0) error (0, errno, "Failed searching %s", name); @@ -1095,7 +1137,7 @@ read_config (const char *config) glob_t g; p += 2 + strspn (p + 2, " \t"); - if (!glob (p, GLOB_BRACE, NULL, &g)) + if (!wrap_glob (p, GLOB_BRACE, NULL, &g)) { size_t n; @@ -1177,7 +1219,7 @@ gather_config (void) { glob_t g; - if (!glob (p, GLOB_BRACE, NULL, &g)) + if (!wrap_glob (p, GLOB_BRACE, NULL, &g)) { size_t n; @@ -1302,7 +1344,7 @@ add_to_blacklist (const char *name, int deref, int onefs) size_t len; struct stat64 st; - if (stat64 (name, &st) < 0) + if (wrap_stat64 (name, &st) < 0) { if (implicit) return 0; @@ -1421,7 +1463,7 @@ blacklist_from_config (void) { glob_t g; - if (!glob (p, GLOB_BRACE | GLOB_PERIOD, NULL, &g)) + if (!wrap_glob (p, GLOB_BRACE | GLOB_PERIOD, NULL, &g)) { size_t n; diff --git a/trunk/src/get.c b/trunk/src/get.c index fe32deb..001bb1e 100644 --- a/trunk/src/get.c +++ b/trunk/src/get.c @@ -30,6 +30,7 @@ int is_ldso_soname (const char *soname) { if (! strcmp (soname, "ld-linux.so.2") + || ! strcmp (soname, "ld-linux.so.3") || ! strcmp (soname, "ld.so.1") || ! strcmp (soname, "ld-linux-ia64.so.2") || ! strcmp (soname, "ld-linux-x86-64.so.2") @@ -165,7 +166,7 @@ prelink_record_relocations (struct prelink_info *info, FILE *f, { struct stat64 st; - if (stat64 (filename, &st) < 0) + if (wrap_stat64 (filename, &st) < 0) { error (0, errno, "%s: Could not stat %s", info->ent->filename, filename); @@ -638,7 +639,7 @@ prelink_get_relocations (struct prelink_info *info) { FILE *f; DSO *dso = info->dso; - const char *argv[5]; + const char *argv[6]; const char *envp[4]; int i, ret, status; char *p; @@ -667,13 +668,6 @@ prelink_get_relocations (struct prelink_info *info) / info->symtab_entsize; info->symbols = calloc (sizeof (struct prelink_symbol), info->symbol_count); - i = 0; - argv[i++] = dl; - if (ld_library_path) - { - argv[i++] = "--library-path"; - argv[i++] = ld_library_path; - } if (strchr (info->ent->filename, '/') != NULL) ent_filename = info->ent->filename; else @@ -684,17 +678,56 @@ prelink_get_relocations (struct prelink_info *info) memcpy (p + 2, info->ent->filename, flen + 1); ent_filename = p; } - argv[i++] = ent_filename; - argv[i] = NULL; - envp[0] = "LD_TRACE_LOADED_OBJECTS=1"; - envp[1] = "LD_BIND_NOW=1"; - p = alloca (sizeof "LD_TRACE_PRELINKING=" + strlen (info->ent->filename)); - strcpy (stpcpy (p, "LD_TRACE_PRELINKING="), info->ent->filename); - envp[2] = p; - envp[3] = NULL; - - ret = 2; - f = execve_open (dl, (char * const *)argv, (char * const *)envp); + if (prelink_rtld == NULL) + { + i = 0; + argv[i++] = dl; + if (ld_library_path) + { + argv[i++] = "--library-path"; + argv[i++] = ld_library_path; + } + argv[i++] = ent_filename; + argv[i] = NULL; + envp[0] = "LD_TRACE_LOADED_OBJECTS=1"; + envp[1] = "LD_BIND_NOW=1"; + p = alloca (sizeof "LD_TRACE_PRELINKING=" + strlen (info->ent->filename)); + strcpy (stpcpy (p, "LD_TRACE_PRELINKING="), info->ent->filename); + envp[2] = p; + envp[3] = NULL; + ret = 2; + f = execve_open (dl, (char * const *)argv, (char * const *)envp); + } + else + { + i = 0; + argv[i++] = prelink_rtld; + if (ld_library_path) + { + argv[i++] = "--library-path"; + argv[i++] = ld_library_path; + } + argv[i++] = "--target-paths"; + argv[i++] = ent_filename; + argv[i] = NULL; + p = alloca (sizeof "RTLD_TRACE_PRELINKING=" + strlen (info->ent->filename)); + strcpy (stpcpy (p, "RTLD_TRACE_PRELINKING="), info->ent->filename); + envp[0] = p; + p = alloca (sizeof "PATH=" + strlen (getenv ("PATH"))); + sprintf (p, "PATH=%s", getenv ("PATH")); + envp[1] = p; + envp[2] = NULL; + if (sysroot) + { + p = alloca (sizeof "PRELINK_SYSROOT=" + strlen (sysroot)); + sprintf (p, "PRELINK_SYSROOT=%s", sysroot); + envp[2] = p; + envp[3] = NULL; + } + ret = 2; + f = execve_open (prelink_rtld, (char * const *)argv, (char * const *)envp); + } + if (f == NULL) { error (0, errno, "%s: Could not trace symbol resolving", diff --git a/trunk/src/layout.c b/trunk/src/layout.c index 75b2451..859ab66 100644 --- a/trunk/src/layout.c +++ b/trunk/src/layout.c @@ -23,6 +23,7 @@ #include <string.h> #include <time.h> #include <unistd.h> +#include <assert.h> #include "prelinktab.h" #include "layout.h" @@ -302,7 +303,10 @@ layout_libs (void) for (j = 0, k = 0; j < l.binlibs[i]->ndepends; ++j) if (l.binlibs[i]->depends[j]->type == ET_DYN && l.binlibs[i]->depends[j]->done) - deps[k++] = l.binlibs[i]->depends[j]; + { + assert (k < l.nlibs); + deps[k++] = l.binlibs[i]->depends[j]; + } if (k) { qsort (deps, k, sizeof (struct prelink_entry *), deps_cmp); @@ -385,6 +389,7 @@ layout_libs (void) mmap_start += mmap_base; } + fsync (fd); close (fd); } diff --git a/trunk/src/main.c b/trunk/src/main.c index 8251e9e..15c1d53 100644 --- a/trunk/src/main.c +++ b/trunk/src/main.c @@ -59,12 +59,14 @@ const char *ld_library_path; const char *prelink_conf = PRELINK_CONF; const char *prelink_cache = PRELINK_CACHE; const char *undo_output; +int noreexecinit; +time_t initctime; -const char *argp_program_version = "prelink 1.0"; +const char *argp_program_version = PRELINK_PROG PKGVERSION " 1.0"; -const char *argp_program_bug_address = "<jakub@redhat.com>"; +const char *argp_program_bug_address = REPORT_BUGS_TO; -static char argp_doc[] = "prelink -- program to relocate and prelink ELF shared libraries and programs"; +static char argp_doc[] = PRELINK_PROG " -- program to relocate and prelink ELF shared libraries and programs"; #define OPT_DYNAMIC_LINKER 0x80 #define OPT_LD_LIBRARY_PATH 0x81 @@ -79,6 +81,9 @@ static char argp_doc[] = "prelink -- program to relocate and prelink ELF shared #define OPT_SHA 0x8a #define OPT_COMPUTE_CHECKSUM 0x8b #define OPT_LAYOUT_PAGE_SIZE 0x8c +#define OPT_SYSROOT 0x8d +#define OPT_RTLD 0x8e +#define OPT_ALLOW_TEXTREL 0x8f static struct argp_option options[] = { {"all", 'a', 0, 0, "Prelink all binaries" }, @@ -96,6 +101,7 @@ static struct argp_option options[] = { {"quick", 'q', 0, 0, "Quick scan" }, {"random", 'R', 0, 0, "Choose random base for libraries" }, {"reloc-only", 'r', "BASE_ADDRESS", 0, "Relocate library to given address, don't prelink" }, + {"root", OPT_SYSROOT, "ROOT_PATH", 0, "Prefix all paths with ROOT_PATH" }, {"undo", 'u', 0, 0, "Undo prelink" }, {"verbose", 'v', 0, 0, "Produce verbose output" }, {"verify", 'y', 0, 0, "Verify file consistency by undoing and redoing prelink and printing original to standard output" }, @@ -114,6 +120,9 @@ static struct argp_option options[] = { {"mmap-region-end", OPT_MMAP_REG_END, "BASE_ADDRESS", OPTION_HIDDEN, "" }, {"seed", OPT_SEED, "SEED", OPTION_HIDDEN, "" }, {"compute-checksum", OPT_COMPUTE_CHECKSUM, 0, OPTION_HIDDEN, "" }, + {"rtld", OPT_RTLD, "RTLD", OPTION_HIDDEN, "" }, + {"init", 'i', 0, 0, "Do not re-execute init" }, + {"allow-textrel", OPT_ALLOW_TEXTREL, 0, 0, "Allow text relocations even on architectures where they may not work" }, { 0 } }; @@ -229,6 +238,17 @@ parse_opt (int key, char *arg, struct argp_state *state) layout_page_size = strtoull (arg, &endarg, 0); if (endarg != strchr (arg, '\0') || (layout_page_size & (layout_page_size - 1))) error (EXIT_FAILURE, 0, "--layout-page-size option requires numberic power-of-two argument"); + case OPT_SYSROOT: + sysroot = arg; + break; + case OPT_RTLD: + prelink_rtld = arg; + break; + case 'i': + noreexecinit=1; + break; + case OPT_ALLOW_TEXTREL: + allow_bad_textrel = 1; break; default: return ARGP_ERR_UNKNOWN; @@ -236,9 +256,26 @@ parse_opt (int key, char *arg, struct argp_state *state) return 0; } +time_t get_ctime(const char *file) { + struct stat st; + if(stat(file,&st) == 0) + return st.st_ctime; + return 0; +} + +void checkinit() { + if(initctime != get_ctime("/sbin/init")) { + printf("Executing /sbin/init U\n"); + system("/sbin/init U"); + } +} + static struct argp argp = { options, parse_opt, "[FILES]", argp_doc }; -#if (defined (__i386__) || defined (__x86_64__)) && defined (__GNUC__) +const char *prelink_rtld = NULL; + +/* Disable detection, this is not appropriate when cross prelinking. */ +#if 0 && (defined (__i386__) || defined (__x86_64__)) && defined (__GNUC__) static void set_default_layout_page_size (void) { @@ -283,9 +320,7 @@ main (int argc, char *argv[]) setlocale (LC_ALL, ""); - /* Set the default for exec_shield. */ - if (! access ("/proc/sys/kernel/exec-shield", F_OK)) - exec_shield = 1; + exec_shield = 2; set_default_layout_page_size (); @@ -295,6 +330,11 @@ main (int argc, char *argv[]) argp_parse (&argp, argc, argv, 0, &remaining, 0); + if(!noreexecinit) { + initctime = get_ctime("/sbin/init"); + atexit(checkinit); + } + if (ld_library_path == NULL) ld_library_path = getenv ("LD_LIBRARY_PATH"); @@ -309,6 +349,41 @@ main (int argc, char *argv[]) if ((undo || verify) && quick) error (EXIT_FAILURE, 0, "--undo and --quick options are incompatible"); + /* Set the default for exec_shield. */ + if (exec_shield == 2) + { + if (sysroot == NULL && ! access ("/proc/sys/kernel/exec-shield", F_OK)) + exec_shield = 1; + else + exec_shield = 0; + } + +#ifdef DEFAULT_SYSROOT + if (sysroot == NULL) + { + extern char *make_relative_prefix (const char *, const char *, const char *); + sysroot = make_relative_prefix (argv[0], BINDIR, DEFAULT_SYSROOT); + } +#endif + + if (sysroot) + { + sysroot = canonicalize_file_name (sysroot); + if (sysroot == NULL) + error (EXIT_FAILURE, 0, "Could not canonicalize --root argument"); + asprintf ((char **) &prelink_conf, "%s%s", sysroot, prelink_conf); + } + if (prelink_rtld != NULL && prelink_rtld[0] == 0) + prelink_rtld = NULL; + else + if (prelink_rtld == NULL) + { + extern char *make_relative_prefix (const char *, const char *, const char *); + const char *path = make_relative_prefix (argv[0], BINDIR, BINDIR); + asprintf ((char **) &prelink_rtld, "%s/%s", path, + PRELINK_RTLD_PROG EXEEXT); + } + if (print_cache) { prelink_load_cache (); diff --git a/trunk/src/prelink.c b/trunk/src/prelink.c index 0d113b7..0798811 100644 --- a/trunk/src/prelink.c +++ b/trunk/src/prelink.c @@ -440,6 +440,7 @@ prelink_prepare (DSO *dso) break; case SHT_DYNAMIC: case SHT_MIPS_REGINFO: + case SHT_MIPS_OPTIONS: /* The same applies to these sections on MIPS. The convention is to put .dynamic and .reginfo near the beginning of the read-only segment, before the program text. No relocations @@ -793,7 +794,9 @@ prelink_set_timestamp (struct prelink_info *info) DSO *dso = info->dso; if (! verify) - info->ent->timestamp = (GElf_Word) time (NULL); + info->ent->timestamp = getenv ("PRELINK_TIMESTAMP") ? + atoi (getenv ("PRELINK_TIMESTAMP")) + : (GElf_Word) time (NULL); dso->info_DT_GNU_PRELINKED = info->ent->timestamp; if (prelink_set_checksum (dso)) return 1; diff --git a/trunk/src/prelink.h b/trunk/src/prelink.h index eceb2b6..10485ed 100644 --- a/trunk/src/prelink.h +++ b/trunk/src/prelink.h @@ -1,6 +1,8 @@ /* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011 Red Hat, Inc. + Copyright (C) 2008 CodeSourcery. Written by Jakub Jelinek <jakub@redhat.com>, 2001. + Updated by Maciej W. Rozycki <macro@codesourcery.com>, 2008. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -22,10 +24,16 @@ #include <elf.h> #include <libelf.h> #include <gelfx.h> +#include <ftw.h> #include <stdint.h> #include <stdlib.h> #include <stdio.h> #include <sys/stat.h> +#include <utime.h> + +#ifndef HAVE_ELF64_BYTE +typedef uint8_t Elf64_Byte; +#endif #ifndef DT_GNU_LIBLIST #define DT_GNU_LIBLIST 0x6ffffef9 @@ -75,10 +83,32 @@ #define R_MIPS_TLS_TPREL32 47 #endif +#ifndef R_MIPS_TLS_DTPMOD64 +#define R_MIPS_TLS_DTPMOD64 40 +#define R_MIPS_TLS_DTPREL64 41 +#define R_MIPS_TLS_TPREL64 48 +#endif + #ifndef R_MIPS_GLOB_DAT #define R_MIPS_GLOB_DAT 51 #endif +#ifndef R_MIPS_COPY +#define R_MIPS_COPY 126 +#define R_MIPS_JUMP_SLOT 127 +#define STO_MIPS_PLT 0x8 +#define DT_MIPS_PLTGOT 0x70000032 +#define DT_MIPS_RWPLT 0x70000034 +#endif + +#ifndef SHT_MIPS_DWARF +#define SHT_MIPS_DWARF 0x7000001e +#endif + +#ifndef RSS_UNDEF +#define RSS_UNDEF 0 +#endif + #ifndef R_ARM_TLS_DTPMOD32 #define R_ARM_TLS_DTPMOD32 17 #define R_ARM_TLS_DTPOFF32 18 @@ -137,6 +167,7 @@ typedef struct GElf_Addr info_DT_MIPS_LOCAL_GOTNO; GElf_Addr info_DT_MIPS_GOTSYM; GElf_Addr info_DT_MIPS_SYMTABNO; + GElf_Addr info_DT_MIPS_PLTGOT; #define DT_GNU_PRELINKED_BIT 50 #define DT_CHECKSUM_BIT 51 #define DT_VERNEED_BIT 52 @@ -162,7 +193,11 @@ typedef struct GElf_Shdr shdr[0]; } DSO; -#define dynamic_info_is_set(dso,bit) ((dso)->info_set_mask & (1ULL << (bit))) +static inline int +dynamic_info_is_set (DSO *dso, int bit) +{ + return ((dso)->info_set_mask & (1ULL << (bit))) != 0; +} struct layout_libs; @@ -174,6 +209,7 @@ struct PLArch int alternate_machine[3]; int max_reloc_size; const char *dynamic_linker; + const char *dynamic_linker_alt; int R_COPY; int R_JMP_SLOT; int R_RELATIVE; @@ -262,6 +298,7 @@ GElf_Addr adjust_old_to_new (DSO *dso, GElf_Addr addr); GElf_Addr adjust_new_to_old (DSO *dso, GElf_Addr addr); int strtabfind (DSO *dso, int strndx, const char *name); int shstrtabadd (DSO *dso, const char *name); +int dso_has_bad_textrel (DSO *dso); /* data.c */ @@ -286,7 +323,7 @@ struct data_iterator { GElf_Addr sec_offset; }; -unsigned char * get_data (DSO *dso, GElf_Addr addr, int *scnp); +unsigned char * get_data (DSO *dso, GElf_Addr addr, int *scnp, Elf_Type *typep); #define READWRITEPROTO(le,nn) \ uint##nn##_t buf_read_u##le##nn (unsigned char *data); \ uint##nn##_t read_u##le##nn (DSO *dso, GElf_Addr addr); \ @@ -542,4 +579,24 @@ extern int quick; extern long long seed; extern GElf_Addr mmap_reg_start, mmap_reg_end, layout_page_size; +extern const char *sysroot; + +extern int allow_bad_textrel; + +int wrap_readlink (const char *path, char *buf, int len); +int wrap_lstat64 (const char *file, struct stat64 *buf); +int wrap_stat64 (const char *file, struct stat64 *buf); +int wrap_open (const char *file, int mode, ...); +int wrap_access (const char *file, int mode); +int wrap_rename (const char *old, const char *new); +int wrap_link (const char *old, const char *new); +int wrap_nftw64 (const char *dir, __nftw64_func_t func, + int descriptors, int flag); +int wrap_utime (const char *file, struct utimbuf *file_times); +int wrap_mkstemp (char *filename); +int wrap_unlink (const char *filename); +char *sysroot_file_name (const char *name, int allow_last_link); + +extern const char *prelink_rtld; + #endif /* PRELINK_H */ diff --git a/trunk/src/reloc-info.c b/trunk/src/reloc-info.c new file mode 100644 index 0000000..4ce333c --- /dev/null +++ b/trunk/src/reloc-info.c @@ -0,0 +1,215 @@ +/* Copyright (C) 2008 CodeSourcery + Written by Maciej W. Rozycki <macro@codesourcery.com>, 2008. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include <config.h> + +#include "prelink.h" +#include "reloc-info.h" + +/* A structure to lay out generic relocation information + * in a way specific to 64-bit MIPS. */ +union mips64_r_info +{ + /* Generic r_info interpretation. */ + Elf64_Xword r_info; + + /* 64-bit MIPS r_info interpretation. */ + struct + { + /* Symbol index for the first relocation. */ + Elf64_Word r_sym; + + /* Special symbol for the second relocation. */ + Elf64_Byte r_ssym; + + /* Third relocation. */ + Elf64_Byte r_type3; + + /* Second relocation. */ + Elf64_Byte r_type2; + + /* First relocation. */ + Elf64_Byte r_type; + } + s_info; +}; + +/* Extract the symbol index from 64-bit MIPS reloc info. */ + +static GElf_Xword +mips64_r_sym (DSO *dso, GElf_Xword r_info) +{ + union mips64_r_info mips64_r_info; + + buf_write_ne64 (dso, (unsigned char *) &mips64_r_info.r_info, r_info); + return buf_read_une32 (dso, (unsigned char *) &mips64_r_info.s_info.r_sym); +} + +/* Extract the special symbol index from 64-bit MIPS reloc info. */ + +static GElf_Xword +mips64_r_ssym (DSO *dso, GElf_Xword r_info) +{ + union mips64_r_info mips64_r_info; + + buf_write_ne64 (dso, (unsigned char *) &mips64_r_info.r_info, r_info); + return mips64_r_info.s_info.r_ssym; +} + +/* Extract the first reloc type from 64-bit MIPS reloc info. */ + +static GElf_Xword +mips64_r_type (DSO *dso, GElf_Xword r_info) +{ + union mips64_r_info mips64_r_info; + + buf_write_ne64 (dso, (unsigned char *) &mips64_r_info.r_info, r_info); + return mips64_r_info.s_info.r_type; +} + +/* Extract the second reloc type from 64-bit MIPS reloc info. */ + +static GElf_Xword +mips64_r_type2 (DSO *dso, GElf_Xword r_info) +{ + union mips64_r_info mips64_r_info; + + buf_write_ne64 (dso, (unsigned char *) &mips64_r_info.r_info, r_info); + return mips64_r_info.s_info.r_type2; +} + +/* Extract the third reloc type from 64-bit MIPS reloc info. */ + +static GElf_Xword +mips64_r_type3 (DSO *dso, GElf_Xword r_info) +{ + union mips64_r_info mips64_r_info; + + buf_write_ne64 (dso, (unsigned char *) &mips64_r_info.r_info, r_info); + return mips64_r_info.s_info.r_type3; +} + +/* Construct 64-bit MIPS reloc info from symbol indices and reloc types. */ + +static GElf_Xword +mips64_r_info_ext (DSO *dso, GElf_Word r_sym, Elf64_Byte r_ssym, + Elf64_Byte r_type, Elf64_Byte r_type2, Elf64_Byte r_type3) +{ + union mips64_r_info mips64_r_info; + + buf_write_ne32 (dso, (unsigned char *) &mips64_r_info.s_info.r_sym, r_sym); + mips64_r_info.s_info.r_ssym = r_ssym; + mips64_r_info.s_info.r_type = r_type; + mips64_r_info.s_info.r_type2 = r_type2; + mips64_r_info.s_info.r_type3 = r_type3; + return buf_read_une64 (dso, (unsigned char *) &mips64_r_info.r_info); +} + + +/* Extract the symbol index from reloc info. */ + +GElf_Xword +reloc_r_sym (DSO *dso, GElf_Xword r_info) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64 + && dso->ehdr.e_machine == EM_MIPS) + return mips64_r_sym (dso, r_info); + else + return GELF_R_SYM (r_info); +} + +/* Extract the special symbol index from reloc info. */ + +GElf_Xword +reloc_r_ssym (DSO *dso, GElf_Xword r_info) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64 + && dso->ehdr.e_machine == EM_MIPS) + return mips64_r_ssym (dso, r_info); + else + return RSS_UNDEF; +} + +/* Extract the first reloc type from reloc info. */ + +GElf_Xword +reloc_r_type (DSO *dso, GElf_Xword r_info) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64 + && dso->ehdr.e_machine == EM_MIPS) + return mips64_r_type (dso, r_info); + else + return GELF_R_TYPE (r_info); +} + +/* Extract the second reloc type from reloc info. */ + +GElf_Xword +reloc_r_type2 (DSO *dso, GElf_Xword r_info) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64 + && dso->ehdr.e_machine == EM_MIPS) + return mips64_r_type2 (dso, r_info); + else + return 0; +} + +/* Extract the third reloc type from reloc info. */ + +GElf_Xword +reloc_r_type3 (DSO *dso, GElf_Xword r_info) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64 + && dso->ehdr.e_machine == EM_MIPS) + return mips64_r_type3 (dso, r_info); + else + return 0; +} + +/* Construct reloc info from symbol index and reloc type. */ + +GElf_Xword +reloc_r_info (DSO *dso, GElf_Word r_sym, GElf_Word r_type) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64 + && dso->ehdr.e_machine == EM_MIPS) + switch (r_type) + { + case R_MIPS_REL32: + case R_MIPS_GLOB_DAT: + return mips64_r_info_ext (dso, r_sym, RSS_UNDEF, + r_type, R_MIPS_64, R_MIPS_NONE); + default: + return mips64_r_info_ext (dso, r_sym, RSS_UNDEF, + r_type, R_MIPS_NONE, R_MIPS_NONE); + } + else + return GELF_R_INFO (r_sym, r_type); +} + +/* Construct reloc info from symbol index and reloc type. */ + +GElf_Xword +reloc_r_info_ext (DSO *dso, GElf_Word r_sym, Elf64_Byte r_ssym, + Elf64_Byte r_type, Elf64_Byte r_type2, Elf64_Byte r_type3) +{ + if (dso->ehdr.e_ident[EI_CLASS] == ELFCLASS64 + && dso->ehdr.e_machine == EM_MIPS) + return mips64_r_info_ext (dso, r_sym, r_ssym, r_type, r_type2, r_type3); + else + return GELF_R_INFO (r_sym, r_type); +} diff --git a/trunk/src/reloc-info.h b/trunk/src/reloc-info.h new file mode 100644 index 0000000..a8f8b7c --- /dev/null +++ b/trunk/src/reloc-info.h @@ -0,0 +1,35 @@ +/* Copyright (C) 2008 CodeSourcery + Written by Maciej W. Rozycki <macro@codesourcery.com>, 2008. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifndef RELOC_INFO_H +#define RELOC_INFO_H + +#include "prelink.h" + +/* Reloc info primitives. */ +GElf_Xword reloc_r_sym (DSO *dso, GElf_Xword r_info); +GElf_Xword reloc_r_ssym (DSO *dso, GElf_Xword r_info); +GElf_Xword reloc_r_type (DSO *dso, GElf_Xword r_info); +GElf_Xword reloc_r_type2 (DSO *dso, GElf_Xword r_info); +GElf_Xword reloc_r_type3 (DSO *dso, GElf_Xword r_info); + +GElf_Xword reloc_r_info (DSO *dso, GElf_Word r_sym, GElf_Word r_type); +GElf_Xword reloc_r_info_ext (DSO *dso, GElf_Word r_sym, Elf64_Byte r_ssym, + Elf64_Byte r_type, Elf64_Byte r_type2, + Elf64_Byte r_type3); + +#endif /* RELOC_INFO_H */ diff --git a/trunk/src/rtld/Makefile.am b/trunk/src/rtld/Makefile.am new file mode 100644 index 0000000..6b09f0a --- /dev/null +++ b/trunk/src/rtld/Makefile.am @@ -0,0 +1,32 @@ +## Process this file with automake to create Makefile.in + +AUTOMAKE_OPTIONS = 1.4 gnu + +PKGVERSION = "\"@PKGVERSION@\"" +REPORT_BUGS_TO = "\"@REPORT_BUGS_TO@\"" + +DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -Wall -Wno-pointer-sign +AM_CFLAGS = -Wall -Wno-pointer-sign +AM_CPPFLAGS = -DSBINDIR='"@sbindir@"' -DBINDIR='"@bindir@"' \ + -DEXECSTACK_PROG="\"`echo execstack | sed '$(transform)'`\"" \ + -DPRELINK_PROG="\"`echo prelink | sed '$(transform)'`\"" \ + -DPRELINK_RTLD_PROG="\"`echo prelink-rtld | \ + sed '$(transform)'`\"" \ + -DEXEEXT='"$(EXEEXT)"' \ + -DPKGVERSION=$(PKGVERSION) \ + -DREPORT_BUGS_TO=$(REPORT_BUGS_TO) +INCLUDES = -I$(top_srcdir)/src @GELFINCLUDE@ + +sbin_PROGRAMS = prelink-rtld + +prelink_rtld_SOURCES = $(top_srcdir)/src/data.c $(top_srcdir)/src/dso.c \ + $(top_srcdir)/src/canonicalize.c $(top_srcdir)/src/wrap-file.c \ + $(top_srcdir)/src/reloc-info.c $(top_srcdir)/src/reloc-info.h \ + rtld.c ld-libs.h \ + dl-hash.h dl-load.c \ + dl-tls.c dl-version.c dl-misc.c \ + dl-lookup.c dl-lookupX.h + +prelink_rtld_LDADD = @LIBGELF@ -liberty +prelink_rtld_CFLAGS = -DDSO_READONLY +prelink_rtld_LDFLAGS = diff --git a/trunk/src/rtld/README-rtld b/trunk/src/rtld/README-rtld new file mode 100644 index 0000000..55e4b05 --- /dev/null +++ b/trunk/src/rtld/README-rtld @@ -0,0 +1,16 @@ +The rtld emulation is based on the system libc ld.so code. + +The original version of this code was written by Daniel Jacobowitz in +2003. It needed little modification/updating until recently (2011) when +new constructs, such as STB_GNU_UNIQUE, were introduced into the dynamic +linking. + +The 2011 work was done by Mark Hatle and based on eglibc-2.13. I +attempted to document all of the code that had origins in eglibc and where +the code originated from. + +As eglibc continues to advance, similar resyncs will be needed over time. +Hopefully not such a dramatic resync will be required in the future. + +Mark Hatle <mark.hatle@windriver.com>, +August 2011 diff --git a/trunk/src/rtld/dl-hash.h b/trunk/src/rtld/dl-hash.h new file mode 100644 index 0000000..6003b2f --- /dev/null +++ b/trunk/src/rtld/dl-hash.h @@ -0,0 +1,76 @@ +/* Compute hash value for given string according to ELF standard. + Copyright (C) 1995,1996,1997,1998,2003,2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _DL_HASH_H +#define _DL_HASH_H 1 + +#define _dl_elf_hash rtld_elf_hash + +/* This is the hashing function specified by the ELF ABI. In the + first five operations no overflow is possible so we optimized it a + bit. */ +static unsigned int +_dl_elf_hash (const char *name_arg) +{ + const unsigned char *name = (const unsigned char *) name_arg; + unsigned long int hash = 0; + if (*name != '\0') + { + hash = *name++; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + while (*name != '\0') + { + unsigned long int hi; + hash = (hash << 4) + *name++; + hi = hash & 0xf0000000; + + /* The algorithm specified in the ELF ABI is as + follows: + + if (hi != 0) + hash ^= hi >> 24; + + hash &= ~hi; + + But the following is equivalent and a lot + faster, especially on modern processors. */ + + hash ^= hi; + hash ^= hi >> 24; + } + } + } + } + } + } + return hash; +} + +#endif /* dl-hash.h */ diff --git a/trunk/src/rtld/dl-load.c b/trunk/src/rtld/dl-load.c new file mode 100644 index 0000000..8d497ef --- /dev/null +++ b/trunk/src/rtld/dl-load.c @@ -0,0 +1,246 @@ +/* Restructure code containing the original statement: + Copyright (C) 2003 MontaVista Software, Inc. + Written by Daniel Jacobowitz <drow@mvista.com>, 2003 + + Restructed and synced to latest eglibc 2.13 by + Mark Hatle <mark.hatle@windriver.com>, 2011 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include <assert.h> +#include <error.h> +#include <errno.h> +#include <string.h> +#include "rtld.h" + +#ifndef VERSYMIDX +# define VERSYMIDX(sym) (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (sym)) +#endif + +/* From eglibc-2.13 libc/elf/dl-load.c */ + +/* Add `name' to the list of names for a particular shared object. + `name' is expected to have been allocated with malloc and will + be freed if the shared object already has this name. + Returns false if the object already had this name. */ +static void +add_name_to_object (struct ldlibs_link_map *l, const char *name) +{ + struct libname_list *lnp, *lastp; + struct libname_list *newname; + size_t name_len; + + lastp = NULL; + for (lnp = l->l_libname; lnp != NULL; lastp = lnp, lnp = lnp->next) + if (strcmp (name, lnp->name) == 0) + return; + + name_len = strlen (name) + 1; + newname = (struct libname_list *) malloc (sizeof *newname + name_len); + if (newname == NULL) + { + /* No more memory. */ + _dl_signal_error (ENOMEM, name, NULL, ("cannot allocate name record")); + return; + } + /* The object should have a libname set from _dl_new_object. */ + assert (lastp != NULL); + + newname->name = memcpy (newname + 1, name, name_len); + newname->next = NULL; + lastp->next = newname; +} + +/* From libc/elf/dl-object.c */ + +/* Allocate a `struct link_map' for a new object being loaded, + and enter it into the _dl_loaded list. */ +struct ldlibs_link_map * +_dl_new_object (const char *realname, const char *libname, int type) +{ + size_t libname_len = strlen (libname) + 1; + struct ldlibs_link_map *new; + struct libname_list *newname; + + new = (struct ldlibs_link_map *) calloc (sizeof (*new) + + + sizeof (*newname) + libname_len, 1); + + if (new == NULL) + return NULL; + + new->l_libname = newname + = (struct libname_list *) ((char *) (new + 1)); + newname->name = (char *) memcpy (newname + 1, libname, libname_len); + /* newname->next = NULL; We use calloc therefore not necessary. */ + + new->l_name = realname; + new->l_type = type; + + return new; +} + +const char *rtld_progname; + +static Elf64_Addr load_addr = 0xdead0000; + +/* mimic behavior of _dl_map_object_from_fd(...) in eglibc 2.13 libc/elf/dl-load.c*/ +void +create_map_object_from_dso_ent (struct dso_list *cur_dso_ent) +{ + struct ldlibs_link_map *l = NULL; + DSO *dso = cur_dso_ent->dso; + + int i; + Elf_Data *data; + + + const char * realname, * name, *soname; + int l_type; + + soname = dso->soname; + realname = dso->filename; + name = dso->filename; + + l_type = (dso->ehdr.e_type == ET_EXEC ? lt_executable : lt_library); + + + /* Print debug message. */ + if (__builtin_expect (GLRO_dl_debug_mask & DL_DEBUG_FILES, 0)) + printf("\tfile=%s; generating link map\n", name); + + + l = _dl_new_object (realname, name, l_type); + if (l == NULL) + { + _dl_signal_error(errno, name, NULL, "cannot create shared object descriptor"); + } + + if (soname) + add_name_to_object(l, soname); + + if (name) + add_name_to_object(l, name); + + l->filename = dso->filename; + + /* Set the elfclass */ + l->elfclass = gelf_getclass (dso->elf); + + /*** Setup the l_info as if this had been loaded into memory ***/ + + /* FIXME: gelfify, endianness issues */ + /* and leaks? */ + i = addr_to_sec (dso, dso->info[DT_SYMTAB]); + if (i != -1) + { + data = elf_getdata (dso->scn[i], NULL); + l->l_info[DT_SYMTAB] = data->d_buf; + } + + i = addr_to_sec (dso, dso->info[DT_STRTAB]); + if (i != -1) + { + data = elf_getdata (dso->scn[i], NULL); + l->l_info[DT_STRTAB] = data->d_buf; + } + + if (dynamic_info_is_set (dso, DT_GNU_HASH_BIT)) + { + i = addr_to_sec (dso, dso->info_DT_GNU_HASH); + if (i != -1) + { + data = elf_getdata (dso->scn[i], NULL); + +#if 0 + if (__builtin_expect (GLRO_dl_debug_mask & DL_DEBUG_FILES, 0)) + printf("l_info DT_GNU_HASH: offset %d -- addr %p (0x%lx) - type %d\n", + (DT_ADDRTAGIDX(DT_GNU_HASH) + DT_NUM + + DT_THISPROCNUM + DT_VERSIONTAGNUM + + DT_EXTRANUM + DT_VALNUM), + data->d_buf, (unsigned long) data->d_size); +#endif + + l->l_info[DT_ADDRTAGIDX(DT_GNU_HASH) + DT_NUM + + DT_THISPROCNUM + DT_VERSIONTAGNUM + + DT_EXTRANUM + DT_VALNUM] = data->d_buf; + + /* PPC64 workaround */ + l->l_buckets_start = data->d_buf; + l->l_buckets_end = (char *)data->d_buf + data->d_size; + /* end workaround */ + } + } + + i = addr_to_sec (dso, dso->info[DT_HASH]); + if (i != -1) + { + data = elf_getdata (dso->scn[i], NULL); + l->l_info[DT_HASH] = data->d_buf; + } + + if (dynamic_info_is_set (dso, DT_VERNEED_BIT)) + { + i = addr_to_sec (dso, dso->info_DT_VERNEED); + if (i != -1) + { + data = elf_getdata (dso->scn[i], NULL); + l->l_info[VERSYMIDX (DT_VERNEED)] = data->d_buf; + } + } + + if (dynamic_info_is_set (dso, DT_VERDEF_BIT)) + { + i = addr_to_sec (dso, dso->info_DT_VERDEF); + if (i != -1) + { + data = elf_getdata (dso->scn[i], NULL); + l->l_info[VERSYMIDX (DT_VERDEF)] = data->d_buf; + } + } + + if (dynamic_info_is_set (dso, DT_VERSYM_BIT)) + { + i = addr_to_sec (dso, dso->info_DT_VERSYM); + if (i != -1) + { + data = elf_getdata (dso->scn[i], NULL); + l->l_info[VERSYMIDX (DT_VERSYM)] = data->d_buf; + } + } + + /* Set up the symbol hash table. */ + _dl_setup_hash (l); + + l->l_map_start = load_addr; + load_addr += 0x1000; + + l->sym_base = dso->info[DT_SYMTAB] - dso->base; + + for (i = 0; i < dso->ehdr.e_phnum; ++i) + if (dso->phdr[i].p_type == PT_TLS) + { + l->l_tls_blocksize = dso->phdr[i].p_memsz; + l->l_tls_align = dso->phdr[i].p_align; + if (l->l_tls_align == 0) + l->l_tls_firstbyte_offset = 0; + else + l->l_tls_firstbyte_offset = dso->phdr[i].p_vaddr & (l->l_tls_align - 1); + break; + } + + l->machine = dso->ehdr.e_machine; + + cur_dso_ent->map = l; +} diff --git a/trunk/src/rtld/dl-lookup.c b/trunk/src/rtld/dl-lookup.c new file mode 100644 index 0000000..dd050c9 --- /dev/null +++ b/trunk/src/rtld/dl-lookup.c @@ -0,0 +1,110 @@ +/* Look up a symbol in the loaded objects. + Copyright (C) 1995-2005, 2006, 2007, 2009, 2010 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* This file is based on the original eglibc-2.13 libc/elf/dl-lookup.c + code. + + It has been split into two pieces dl-lookup.c and dl-lookupX.c, + the purpose of the split is to enable both 32-bit and 64-bit ELF + processing in the same application. This file contains the ELF + size neutral routines. + */ + +#include <config.h> +#include <alloca.h> +#include <libintl.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <dl-hash.h> + +#include <assert.h> + +#include <errno.h> + +#include <elf.h> + +#include "prelinktab.h" +#include "reloc.h" + +#include "rtld.h" + +struct unique_sym_table * _ns_unique_sym_table = NULL; + +/* This file is from eglibc 2.13, libc/elf/dl-lookup.c + It has been split into two pieces dl-lookup.c and dl-lookupX.c, + the purpose of the split is to enable both 32-bit and 64-bit ELF + processing in the same application. This file contains the common + routines ... and is the entry to the overall set of files. + */ + +/* We need this string more than once. */ +static const char undefined_msg[] = "undefined symbol: "; + +#define make_string(string, rest...) \ + ({ \ + const char *all[] = { string, ## rest }; \ + size_t len, cnt; \ + char *result, *cp; \ + \ + len = 1; \ + for (cnt = 0; cnt < sizeof (all) / sizeof (all[0]); ++cnt) \ + len += strlen (all[cnt]); \ + \ + cp = result = alloca (len); \ + for (cnt = 0; cnt < sizeof (all) / sizeof (all[0]); ++cnt) \ + cp = __stpcpy (cp, all[cnt]); \ + \ + result; \ + }) + +static uint_fast32_t +dl_new_hash (const char *s) +{ + uint_fast32_t h = 5381; + unsigned char c = *s; + for (c = *s; c != '\0'; c = *++s) + h = h * 33 + c; + return h & 0xffffffff; +} + +#undef RTLD_ELF_SIZE +#define RTLD_ELF_SIZE 32 +#include "dl-lookupX.h" + +#undef RTLD_ELF_SIZE +#define RTLD_ELF_SIZE 64 +#include "dl-lookupX.h" + +#undef RTLD_ELF_SIZE + +void +rtld_setup_hash (struct ldlibs_link_map *map) +{ + if (map) + { + if (map->elfclass == ELFCLASS32) + rtld_setup_hash32(map); + else if (map->elfclass == ELFCLASS64) + rtld_setup_hash64(map); + else + _dl_signal_error(EINVAL, map->l_name, NULL, "elfclass is not defined 32-bit or 64-bit!"); + } +} diff --git a/trunk/src/rtld/dl-lookupX.h b/trunk/src/rtld/dl-lookupX.h new file mode 100644 index 0000000..08e4c52 --- /dev/null +++ b/trunk/src/rtld/dl-lookupX.h @@ -0,0 +1,785 @@ +/* Look up a symbol in the loaded objects. + Copyright (C) 1995-2005, 2006, 2007, 2009, 2010 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* This file is from eglibc 2.13, libc/elf/dl-lookup.c + It has been split into two pieces dl-lookup.c and dl-lookupX.c, + the purpose of the split is to enable both 32-bit and 64-bit ELF + processing in the same application. This file contains the ELF + size specific routines. It must be included from dl-lookup.c and + not used directly! + */ + +#if RTLD_ELF_SIZE == 32 + #define sym_val sym_val32 + #define do_lookup_x do_lookup_x32 + #undef _dl_setup_hash + #define _dl_setup_hash rtld_setup_hash32 + #define _dl_debug_bindings rtld_debug_bindings32 + #define _dl_lookup_symbol_x rtld_lookup_symbol_x32 + +#elif RTLD_ELF_SIZE == 64 + #define sym_val sym_val64 + #define do_lookup_x do_lookup_x64 + #undef _dl_setup_hash + #define _dl_setup_hash rtld_setup_hash64 + #define _dl_debug_bindings rtld_debug_bindings64 + #define _dl_lookup_symbol_x rtld_lookup_symbol_x64 + +#else + #error "You must declare RTLD_ELF_SIZE to be either 32 or 64" +#endif + +#define __ELF_NATIVE_CLASS RTLD_ELF_SIZE + +/* From eglibc 2.13 - elf/link.h */ + +/* We use this macro to refer to ELF types independent of the native wordsize. + `ElfW(TYPE)' is used in place of `Elf32_TYPE' or `Elf64_TYPE'. */ +#define ELFW(type) _ElfW (ELF, __ELF_NATIVE_CLASS, type) +#define ElfW(type) _ElfW (Elf, __ELF_NATIVE_CLASS, type) +#define _ElfW(e,w,t) _ElfW_1 (e, w, _##t) +#define _ElfW_1(e,w,t) e##w##t + +struct sym_val + { + const ElfW(Sym) *s; + struct ldlibs_link_map *m; + }; + +/* Inner part of the lookup functions. We return a value > 0 if we + found the symbol, the value 0 if nothing is found and < 0 if + something bad happened. */ +static int +do_lookup_x (const char *undef_name, uint_fast32_t new_hash, + unsigned long int *old_hash, const ElfW(Sym) *ref, + struct sym_val *result, struct r_scope_elem *scope, size_t i, + const struct r_found_version *const version, int flags, + struct ldlibs_link_map *skip, int type_class, struct ldlibs_link_map *undef_map) +{ + size_t n = scope->r_nlist; + struct ldlibs_link_map **list = scope->r_list; + + do + { + /* These variables are used in the nested function. */ + Elf_Symndx symidx; + int num_versions = 0; + const ElfW(Sym) *versioned_sym = NULL; + + const struct ldlibs_link_map *map = list[i]; + + /* Here come the extra test needed for `_dl_lookup_symbol_skip'. */ + if (map == skip) + continue; + + /* Don't search the executable when resolving a copy reloc. */ + if ((type_class & ELF_RTYPE_CLASS_COPY) && map->l_type == lt_executable) + continue; + + /* Print some debugging info if wanted. */ + if (__builtin_expect (GLRO_dl_debug_mask & DL_DEBUG_SYMBOLS, 0)) + _dl_debug_printf ("symbol=%s; lookup in file=%s [%lu]\n", + undef_name, + map->l_name[0] ? map->l_name : rtld_progname, + 0UL); + + /* If the hash table is empty there is nothing to do here. */ + if (map->l_nbuckets == 0) + continue; + + /* The tables for this map. */ + const ElfW(Sym) *symtab = (const void *) D_PTR (map, l_info[DT_SYMTAB]); + const char *strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]); + + + /* Nested routine to check whether the symbol matches. */ + const ElfW(Sym) * + __attribute_noinline__ + check_match (const ElfW(Sym) *sym) + { + unsigned int stt = ELFW(ST_TYPE) (sym->st_info); + assert (ELF_RTYPE_CLASS_PLT == 1); +/* from mips dl-lookup.c */ + /* The semantics of zero/non-zero values of undefined symbols + differs depending on whether the non-PIC ABI is in use. + Under the non-PIC ABI, a non-zero value indicates that + there is an address reference to the symbol and thus it + must always be resolved (except when resolving a jump slot + relocation) to the PLT entry whose address is provided as + the symbol's value; a zero value indicates that this + canonical-address behaviour is not required. Yet under the + classic MIPS psABI, a zero value indicates that there is an + address reference to the function and the dynamic linker + must resolve the symbol immediately upon loading. To avoid + conflict, symbols for which the dynamic linker must assume + the non-PIC ABI semantics are marked with the STO_MIPS_PLT + flag. */ +/* end mips */ + if (__builtin_expect ((sym->st_value == 0 /* No value. */ + && stt != STT_TLS) +/* from mips dl-lookup.c */ + || (map->machine == EM_MIPS + && sym->st_shndx == SHN_UNDEF + && !(sym->st_other & STO_MIPS_PLT)) +/* end mips */ + || (type_class & (sym->st_shndx == SHN_UNDEF)), + 0)) + return NULL; + + /* Ignore all but STT_NOTYPE, STT_OBJECT, STT_FUNC, + STT_COMMON, STT_TLS, and STT_GNU_IFUNC since these are no + code/data definitions. */ +#define ALLOWED_STT \ + ((1 << STT_NOTYPE) | (1 << STT_OBJECT) | (1 << STT_FUNC) \ + | (1 << STT_COMMON) | (1 << STT_TLS) | (1 << STT_GNU_IFUNC)) + if (__builtin_expect (((1 << stt) & ALLOWED_STT) == 0, 0)) + return NULL; + + if (sym != ref && strcmp (strtab + sym->st_name, undef_name)) + /* Not the symbol we are looking for. */ + return NULL; + + const ElfW(Half) *verstab = map->l_versyms; + if (version != NULL) + { + if (__builtin_expect (verstab == NULL, 0)) + { + /* We need a versioned symbol but haven't found any. If + this is the object which is referenced in the verneed + entry it is a bug in the library since a symbol must + not simply disappear. + + It would also be a bug in the object since it means that + the list of required versions is incomplete and so the + tests in dl-version.c haven't found a problem.*/ + assert (version->filename == NULL + || ! _dl_name_match_p (version->filename, map)); + + /* Otherwise we accept the symbol. */ + } + else + { + /* We can match the version information or use the + default one if it is not hidden. */ + ElfW(Half) ndx = verstab[symidx] & 0x7fff; + if ((map->l_versions[ndx].hash != version->hash + || strcmp (map->l_versions[ndx].name, version->name)) + && (version->hidden || map->l_versions[ndx].hash + || (verstab[symidx] & 0x8000))) + /* It's not the version we want. */ + return NULL; + } + } + else + { + /* No specific version is selected. There are two ways we + can got here: + + - a binary which does not include versioning information + is loaded + + - dlsym() instead of dlvsym() is used to get a symbol which + might exist in more than one form + + If the library does not provide symbol version information + there is no problem at at: we simply use the symbol if it + is defined. + + These two lookups need to be handled differently if the + library defines versions. In the case of the old + unversioned application the oldest (default) version + should be used. In case of a dlsym() call the latest and + public interface should be returned. */ + if (verstab != NULL) + { + if ((verstab[symidx] & 0x7fff) + >= ((flags & DL_LOOKUP_RETURN_NEWEST) ? 2 : 3)) + { + /* Don't accept hidden symbols. */ + if ((verstab[symidx] & 0x8000) == 0 + && num_versions++ == 0) + /* No version so far. */ + versioned_sym = sym; + + return NULL; + } + } + } + + /* There cannot be another entry for this symbol so stop here. */ + return sym; + } + + const ElfW(Sym) *sym; + const ElfW(Addr) *bitmask = map->l_gnu_bitmask; + if (__builtin_expect (bitmask != NULL, 1)) + { + ElfW(Addr) bitmask_word + = bitmask[(new_hash / __ELF_NATIVE_CLASS) + & map->l_gnu_bitmask_idxbits]; + + unsigned int hashbit1 = new_hash & (__ELF_NATIVE_CLASS - 1); + unsigned int hashbit2 = ((new_hash >> map->l_gnu_shift) + & (__ELF_NATIVE_CLASS - 1)); + + if (__builtin_expect ((bitmask_word >> hashbit1) + & (bitmask_word >> hashbit2) & 1, 0)) + { + Elf32_Word bucket = map->l_gnu_buckets[new_hash + % map->l_nbuckets]; + +/* PPC64 workaround */ + /* There is a bad hash entry and it's pointing beyond + the end of the bucket list. */ + assert ((void *)&map->l_gnu_chain_zero[bucket] < map->l_buckets_end); +/* END PPC64 workaround */ + if (bucket != 0) + { + const Elf32_Word *hasharr = &map->l_gnu_chain_zero[bucket]; + + do + if (((*hasharr ^ new_hash) >> 1) == 0) + { + symidx = hasharr - map->l_gnu_chain_zero; + sym = check_match (&symtab[symidx]); + if (sym != NULL) + goto found_it; + } + while ((*hasharr++ & 1u) == 0); + } + } + /* No symbol found. */ + symidx = SHN_UNDEF; + } + else + { + if (*old_hash == 0xffffffff) + *old_hash = _dl_elf_hash (undef_name); + + /* Use the old SysV-style hash table. Search the appropriate + hash bucket in this object's symbol table for a definition + for the same symbol name. */ + for (symidx = map->l_buckets[*old_hash % map->l_nbuckets]; + symidx != STN_UNDEF; + symidx = map->l_chain[symidx]) + { + sym = check_match (&symtab[symidx]); + if (sym != NULL) + goto found_it; + } + } + + /* If we have seen exactly one versioned symbol while we are + looking for an unversioned symbol and the version is not the + default version we still accept this symbol since there are + no possible ambiguities. */ + sym = num_versions == 1 ? versioned_sym : NULL; + + if (sym != NULL) + { + found_it: + switch (__builtin_expect (ELFW(ST_BIND) (sym->st_info), STB_GLOBAL)) + { + case STB_WEAK: + /* Weak definition. Use this value if we don't find another. */ + if (__builtin_expect (GLRO(dl_dynamic_weak), 0)) + { + if (! result->s) + { + result->s = sym; + result->m = (struct ldlibs_link_map *) map; + } + break; + } + /* FALLTHROUGH */ + case STB_GLOBAL: + success: + /* Global definition. Just what we need. */ + result->s = sym; + result->m = (struct ldlibs_link_map *) map; + return 1; + + case STB_GNU_UNIQUE:; + /* We have to determine whether we already found a + symbol with this name before. If not then we have to + add it to the search table. If we already found a + definition we have to use it. */ + void enter (struct unique_sym *table, size_t size, + unsigned int hash, const char *name, + const ElfW(Sym) *sym, struct link_map *map) + { + size_t idx = hash % size; + size_t hash2 = 1 + hash % (size - 2); + while (1) + { + if (table[idx].name == NULL) + { + table[idx].hashval = hash; + table[idx].name = name; + if ((type_class & ELF_RTYPE_CLASS_COPY) != 0) + { + table[idx].sym = ref; + table[idx].map = (struct link_map *) undef_map; + } + else + { + table[idx].sym = sym; + table[idx].map = map; + } + + return; + } + + idx += hash2; + if (idx >= size) + idx -= size; + } + } + + struct unique_sym_table *tab + = _ns_unique_sym_table; + + struct unique_sym *entries = tab->entries; + size_t size = tab->size; + if (entries != NULL) + { + size_t idx = new_hash % size; + size_t hash2 = 1 + new_hash % (size - 2); + while (1) + { + if (entries[idx].hashval == new_hash + && strcmp (entries[idx].name, undef_name) == 0) + { + result->s = entries[idx].sym; + result->m = (struct ldlibs_link_map *) entries[idx].map; + return 1; + } + + if (entries[idx].name == NULL) + break; + + idx += hash2; + if (idx >= size) + idx -= size; + } + if (size * 3 <= tab->n_elements * 4) + { + /* Expand the table. */ + size_t newsize; + struct unique_sym *newentries; + newsize = _dl_higher_prime_number (size + 1); + newentries = calloc (sizeof (struct unique_sym), newsize); + if (newentries == NULL) + { + nomem: + /* this is a goto target, so we have to be + * sure to initialize these values in case we + * got here from somewhere else. + */ + newentries = NULL; + newsize = 0; + _dl_fatal_printf ("out of memory\n"); + } + + for (idx = 0; idx < size; ++idx) + if (entries[idx].name != NULL) + enter (newentries, newsize, entries[idx].hashval, + entries[idx].name, entries[idx].sym, + entries[idx].map); + + tab->free (entries); + tab->size = newsize; + size = newsize; + entries = tab->entries = newentries; + tab->free = free; + } + } + else + { + /* If tab->entries is NULL, but tab->size is not, it means + this is the second, conflict finding, lookup for + LD_TRACE_PRELINKING in _dl_debug_bindings. Don't + allocate anything and don't enter anything into the + hash table. */ + if (__builtin_expect (tab->size, 0)) + { + assert (GLRO_dl_debug_mask & DL_DEBUG_PRELINK); + goto success; + } + +#define INITIAL_NUNIQUE_SYM_TABLE 31 + size = INITIAL_NUNIQUE_SYM_TABLE; + entries = calloc (sizeof (struct unique_sym), size); + if (entries == NULL) + goto nomem; + + tab->entries = entries; + tab->size = size; + tab->free = free; + } + + enter (entries, size, new_hash, strtab + sym->st_name, sym, + (struct link_map *) map); + ++tab->n_elements; + + goto success; + + default: + /* Local symbols are ignored. */ + break; + } + } + + /* If this current map is the one mentioned in the verneed entry + and we have not found a weak entry, it is a bug. */ + if (symidx == STN_UNDEF && version != NULL && version->filename != NULL + && __builtin_expect (_dl_name_match_p (version->filename, map), 0)) + return -1; + } + while (++i < n); + + /* We have not found anything until now. */ + return 0; +} + + +/* Cache the location of MAP's hash table. */ + +void +_dl_setup_hash (struct ldlibs_link_map *map) +{ + Elf_Symndx *hash; + Elf_Symndx nchain; + + if (__builtin_expect (map->l_info[DT_ADDRTAGIDX (DT_GNU_HASH) + DT_NUM + + DT_THISPROCNUM + DT_VERSIONTAGNUM + + DT_EXTRANUM + DT_VALNUM] != NULL, 1)) + { + Elf32_Word *hash32 + = (void *) D_PTR (map, l_info[DT_ADDRTAGIDX (DT_GNU_HASH) + DT_NUM + + DT_THISPROCNUM + DT_VERSIONTAGNUM + + DT_EXTRANUM + DT_VALNUM]); + map->l_nbuckets = *hash32++; + Elf32_Word symbias = *hash32++; + Elf32_Word bitmask_nwords = *hash32++; + /* Must be a power of two. */ + assert ((bitmask_nwords & (bitmask_nwords - 1)) == 0); + map->l_gnu_bitmask_idxbits = bitmask_nwords - 1; + map->l_gnu_shift = *hash32++; + + map->l_gnu_bitmask = (ElfW(Addr) *) hash32; + hash32 += __ELF_NATIVE_CLASS / 32 * bitmask_nwords; + + map->l_gnu_buckets = hash32; + hash32 += map->l_nbuckets; + map->l_gnu_chain_zero = hash32 - symbias; + return; + } + + if (!map->l_info[DT_HASH]) + return; + hash = (void *) D_PTR (map, l_info[DT_HASH]); + + map->l_nbuckets = *hash++; + nchain = *hash++; + map->l_buckets = hash; + hash += map->l_nbuckets; + map->l_chain = hash; +} + + +static void +_dl_debug_bindings (const char *undef_name, struct ldlibs_link_map *undef_map, + const ElfW(Sym) **ref, struct sym_val *value, + const struct r_found_version *version, int type_class, + int protected); + + +/* Search loaded objects' symbol tables for a definition of the symbol + UNDEF_NAME, perhaps with a requested version for the symbol. + + We must never have calls to the audit functions inside this function + or in any function which gets called. If this would happen the audit + code might create a thread which can throw off all the scope locking. */ +lookup_t +_dl_lookup_symbol_x (const char *undef_name, struct ldlibs_link_map *undef_map, + const ElfW(Sym) **ref, + struct r_scope_elem *symbol_scope[], + const struct r_found_version *version, + int type_class, int flags, struct ldlibs_link_map *skip_map) +{ + const uint_fast32_t new_hash = dl_new_hash (undef_name); + unsigned long int old_hash = 0xffffffff; + struct sym_val current_value = { NULL, NULL }; + struct r_scope_elem **scope = symbol_scope; + + /* No other flag than DL_LOOKUP_ADD_DEPENDENCY or DL_LOOKUP_GSCOPE_LOCK + is allowed if we look up a versioned symbol. */ + assert (version == NULL + || (flags & ~(DL_LOOKUP_ADD_DEPENDENCY | DL_LOOKUP_GSCOPE_LOCK)) + == 0); + + size_t i = 0; + if (__builtin_expect (skip_map != NULL, 0)) + /* Search the relevant loaded objects for a definition. */ + while ((*scope)->r_list[i] != skip_map) + ++i; + + size_t start; + + /* Search the relevant loaded objects for a definition. */ + for (start = i; *scope != NULL; start = 0, ++scope) + { + int res = do_lookup_x (undef_name, new_hash, &old_hash, *ref, + ¤t_value, *scope, start, version, flags, + skip_map, type_class, undef_map); + if (res > 0) + break; + + if (__builtin_expect (res, 0) < 0 && skip_map == NULL) + { + /* Oh, oh. The file named in the relocation entry does not + contain the needed symbol. This code is never reached + for unversioned lookups. */ + assert (version != NULL); + const char *reference_name = undef_map ? undef_map->l_name : NULL; + + /* XXX We cannot translate the message. */ + _dl_signal_cerror (0, (reference_name[0] + ? reference_name + : (rtld_progname ?: "<main program>")), + "relocation error", + make_string ("symbol ", undef_name, ", version ", + version->name, + " not defined in file ", + version->filename, + " with link time reference", + res == -2 + ? " (no version symbols)" : "")); + *ref = NULL; + return 0; + } + } + + if (__builtin_expect (current_value.s == NULL, 0)) + { + if ((*ref == NULL || ELFW(ST_BIND) ((*ref)->st_info) != STB_WEAK) + && skip_map == NULL) + { + /* We could find no value for a strong reference. */ + const char *reference_name = undef_map ? undef_map->l_name : ""; + const char *versionstr = version ? ", version " : ""; + const char *versionname = (version && version->name + ? version->name : ""); + + /* XXX We cannot translate the message. */ + _dl_signal_cerror (0, (reference_name[0] + ? reference_name + : (rtld_progname ?: "<main program>")), + ("symbol lookup error"), + make_string (undefined_msg, undef_name, + versionstr, versionname)); + } + *ref = NULL; + return 0; + } + + int protected = (*ref + && ELFW(ST_VISIBILITY) ((*ref)->st_other) == STV_PROTECTED); + if (__builtin_expect (protected != 0, 0)) + { + /* It is very tricky. We need to figure out what value to + return for the protected symbol. */ + if (type_class == ELF_RTYPE_CLASS_PLT) + { + if (current_value.s != NULL && current_value.m != undef_map) + { + current_value.s = *ref; + current_value.m = undef_map; + } + } + else + { + struct sym_val protected_value = { NULL, NULL }; + + for (scope = symbol_scope; *scope != NULL; i = 0, ++scope) + if (do_lookup_x (undef_name, new_hash, &old_hash, *ref, + &protected_value, *scope, i, version, flags, + skip_map, ELF_RTYPE_CLASS_PLT, NULL) != 0) + break; + + if (protected_value.s != NULL && protected_value.m != undef_map) + { + current_value.s = *ref; + current_value.m = undef_map; + } + } + } + +#if 0 + /* We have to check whether this would bind UNDEF_MAP to an object + in the global scope which was dynamically loaded. In this case + we have to prevent the latter from being unloaded unless the + UNDEF_MAP object is also unloaded. */ + if (__builtin_expect (current_value.m->l_type == lt_loaded, 0) + /* Don't do this for explicit lookups as opposed to implicit + runtime lookups. */ + && (flags & DL_LOOKUP_ADD_DEPENDENCY) != 0 + ) + /* Something went wrong. Perhaps the object we tried to reference + was just removed. Try finding another definition. */ + return _dl_lookup_symbol_x (undef_name, undef_map, ref, + symbol_scope, + version, type_class, flags, skip_map); +#endif + + if (__builtin_expect (GLRO_dl_debug_mask + & (DL_DEBUG_BINDINGS|DL_DEBUG_PRELINK), 0)) + _dl_debug_bindings (undef_name, undef_map, ref, + ¤t_value, version, type_class, protected); + + *ref = current_value.s; + return LOOKUP_VALUE (current_value.m); +} + +static void +_dl_debug_bindings (const char *undef_name, struct ldlibs_link_map *undef_map, + const ElfW(Sym) **ref, struct sym_val *value, + const struct r_found_version *version, int type_class, + int protected) +{ + const char *reference_name = undef_map->l_name; + + if (GLRO_dl_debug_mask & DL_DEBUG_BINDINGS) + { + _dl_debug_printf ("binding file %s [%lu] to %s [%lu]: %s symbol `%s'", + (reference_name[0] + ? reference_name + : (rtld_progname ?: "<main program>")), + 0UL, + value->m->l_name[0] ? value->m->l_name : rtld_progname, + 0UL, + protected ? "protected" : "normal", undef_name); + if (version) + _dl_debug_printf (" [%s]\n", version->name); + else + _dl_debug_printf ("\n"); + } + if (GLRO_dl_debug_mask & DL_DEBUG_PRELINK) + { + int conflict = 0; + struct sym_val val = { NULL, NULL }; + + /* We need to always process these or we can miss conflict symbols when + RTLD_TRACE_PRELINKING=<library> */ + if (1) + { + const uint_fast32_t new_hash = dl_new_hash (undef_name); + unsigned long int old_hash = 0xffffffff; + struct unique_sym *saved_entries + = _ns_unique_sym_table->entries; + + _ns_unique_sym_table->entries = NULL; + do_lookup_x (undef_name, new_hash, &old_hash, *ref, &val, + undef_map->l_local_scope[0], 0, version, 0, NULL, + type_class, undef_map); + if (val.s != value->s || val.m != value->m) + conflict = 1; + else if (val.s + && __builtin_expect (ELFW(ST_BIND) (val.s->st_info), + STB_GLOBAL) == STB_GNU_UNIQUE) + { + /* If it is STB_GNU_UNIQUE and undef_map's l_local_scope + contains any DT_SYMBOLIC libraries, unfortunately there + can be conflicts even if the above is equal. As symbol + resolution goes from the last library to the first and + if a STB_GNU_UNIQUE symbol is found in some late DT_SYMBOLIC + library, it would be the one that is looked up. */ + struct sym_val val2 = { NULL, NULL }; + size_t n; + struct r_scope_elem *scope = undef_map->l_local_scope[0]; + + for (n = 0; n < scope->r_nlist; n++) + if (scope->r_list[n] == val.m) + break; + + for (n++; n < scope->r_nlist; n++) + if (scope->r_list[n]->l_info[DT_SYMBOLIC] != NULL + && do_lookup_x (undef_name, new_hash, &old_hash, *ref, + &val2, + scope, + 0, version, 0, NULL, type_class, + undef_map) > 0) + +/* &scope->r_list[n]->l_symbolic_searchlist,*/ + { + conflict = 1; + val = val2; + break; + } + } + _ns_unique_sym_table->entries = saved_entries; + } + + if (value->s) + { + if (__builtin_expect (ELFW(ST_TYPE) (value->s->st_info) + == STT_TLS, 0)) + type_class = 4; + else if (__builtin_expect (ELFW(ST_TYPE) (value->s->st_info) + == STT_GNU_IFUNC, 0)) + type_class |= 8; + } + + if (conflict + || GLRO(dl_trace_prelink_map) == undef_map + || GLRO(dl_trace_prelink_map) == NULL + || type_class >= 4) + { + printf ("%s 0x%0*Zx 0x%0*Zx -> 0x%0*Zx 0x%0*Zx ", + conflict ? "conflict" : "lookup", + (int) sizeof (ElfW(Addr)) * 2, + (size_t) undef_map->l_map_start, + (int) sizeof (ElfW(Addr)) * 2, + (size_t) (((char *)*ref) - ((char *)undef_map->l_info[DT_SYMTAB]) + (char *)undef_map->sym_base), + (int) sizeof (ElfW(Addr)) * 2, + (size_t) (value->s ? value->m->l_map_start : 0), + (int) sizeof (ElfW(Addr)) * 2, + (size_t) (value->s ? value->s->st_value : 0)); + + if (conflict) + printf ("x 0x%0*Zx 0x%0*Zx ", + (int) sizeof (ElfW(Addr)) * 2, + (size_t) (val.s ? val.m->l_map_start : 0), + (int) sizeof (ElfW(Addr)) * 2, + (size_t) (val.s ? val.s->st_value : 0)); + + printf ("/%x %s\n", type_class, undef_name); + } + } +/* #endif */ +} + +#undef sym_val +#undef do_lookup_x +#undef _dl_setup_hash +#define _dl_setup_hash rtld_setup_hash +#undef _dl_debug_bindings +#undef _dl_lookup_symbol_x diff --git a/trunk/src/rtld/dl-misc.c b/trunk/src/rtld/dl-misc.c new file mode 100644 index 0000000..f8400d7 --- /dev/null +++ b/trunk/src/rtld/dl-misc.c @@ -0,0 +1,107 @@ +/* Based on code originally in eglibc 2.13, libc/elf/dl-misc.c */ + +/* Miscellaneous support functions for dynamic linker + Copyright (C) 1997-2004, 2006, 2009 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <assert.h> +#include <error.h> +#include <errno.h> +#include <string.h> +#include "rtld.h" + +/* Test whether given NAME matches any of the names of the given object. */ +int +_dl_name_match_p (const char *name, const struct ldlibs_link_map *map) +{ + if (strcmp (name, map->l_name) == 0) + return 1; + + struct libname_list *runp = map->l_libname; + + while (runp != NULL) + if (strcmp (name, runp->name) == 0) + return 1; + else + runp = runp->next; + + return 0; +} + +unsigned long int +_dl_higher_prime_number (unsigned long int n) +{ + /* These are primes that are near, but slightly smaller than, a + power of two. */ + static const uint32_t primes[] = { + UINT32_C (7), + UINT32_C (13), + UINT32_C (31), + UINT32_C (61), + UINT32_C (127), + UINT32_C (251), + UINT32_C (509), + UINT32_C (1021), + UINT32_C (2039), + UINT32_C (4093), + UINT32_C (8191), + UINT32_C (16381), + UINT32_C (32749), + UINT32_C (65521), + UINT32_C (131071), + UINT32_C (262139), + UINT32_C (524287), + UINT32_C (1048573), + UINT32_C (2097143), + UINT32_C (4194301), + UINT32_C (8388593), + UINT32_C (16777213), + UINT32_C (33554393), + UINT32_C (67108859), + UINT32_C (134217689), + UINT32_C (268435399), + UINT32_C (536870909), + UINT32_C (1073741789), + UINT32_C (2147483647), + /* 4294967291L */ + UINT32_C (2147483647) + UINT32_C (2147483644) + }; + + const uint32_t *low = &primes[0]; + const uint32_t *high = &primes[sizeof (primes) / sizeof (primes[0])]; + + while (low != high) + { + const uint32_t *mid = low + (high - low) / 2; + if (n > *mid) + low = mid + 1; + else + high = mid; + } + +#if 0 + /* If we've run out of primes, abort. */ + if (n > *low) + { + fprintf (stderr, "Cannot find prime bigger than %lu\n", n); + abort (); + } +#endif + + return *low; +} diff --git a/trunk/src/rtld/dl-tls.c b/trunk/src/rtld/dl-tls.c new file mode 100644 index 0000000..08ae6fa --- /dev/null +++ b/trunk/src/rtld/dl-tls.c @@ -0,0 +1,257 @@ +/* Copyright (C) 2011 Wind River Systems, Inc. + + Code reorganized from original code bearing the following copyright: + Copyright (C) 2003 MontaVista Software, Inc. + Written by Daniel Jacobowitz <drow@mvista.com>, 2003 + + Code updated by Mark Hatle <mark.hatle@windriver.com>, 2011 + to sync to eglibc 2.13 tls behavior... + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include <config.h> +#include <ctype.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <unistd.h> + +#include "rtld.h" + +/* Assign TLS offsets for every loaded library. This code is taken + almost directly from glibc! */ + +#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) + +/* The following function needs to mimic the _dl_determine_tlsoffset in eglibc */ +void +rtld_determine_tlsoffsets (int e_machine, struct r_scope_elem *search_list) +{ + uint64_t modid = 1; + + uint64_t i; + + /* skip max_align */ + uint64_t freetop = 0; + uint64_t freebottom = 0; + + /* This comes from each architecture's ABI. If TLS_TCB_AT_TP, then + set offset to -1; if TLS_DTV_AT_TP, then set offset to + TLS_TCB_SIZE. */ + + int tls_tcb_at_tp = 0; + int tls_dtv_at_tp = 0; + uint64_t tls_tcb_size; + + switch (e_machine) + { + case EM_X86_64: + tls_tcb_at_tp = 1; + tls_tcb_size = -1; + break; + + case EM_386: + tls_tcb_at_tp = 1; + tls_tcb_size = -1; + break; + + case EM_SH: + tls_dtv_at_tp = 1; + tls_tcb_size = 8; + break; + + case EM_PPC: + tls_dtv_at_tp = 1; + tls_tcb_size = 0; + break; + + case EM_PPC64: + tls_dtv_at_tp = 1; + tls_tcb_size = 0; + break; + + case EM_ARM: + tls_dtv_at_tp = 1; + tls_tcb_size = 8; + break; + + case EM_MIPS: + tls_dtv_at_tp = 1; + tls_tcb_size = 0; + break; + + case EM_SPARC: + case EM_SPARC32PLUS: + tls_tcb_at_tp = 1; + tls_tcb_size = -1; + break; + + case EM_SPARCV9: + tls_tcb_at_tp = 1; + tls_tcb_size = -1; + break; + + default: + /* Hope there's no TLS! */ + for (i = 0; i < search_list->r_nlist; i++) + { + struct ldlibs_link_map *map = search_list->r_list[i]; + + if (map->l_tls_blocksize > 0) + _dl_signal_error(0, map->l_name, NULL, "cannot handle TLS data"); + } + + return; + } + + /* from eglibc 2.13: libc/elf/dl-tls.c: _dl_determine_tlsoffset (void) */ + /* Determining the offset of the various parts of the static TLS + block has several dependencies. In addition we have to work + around bugs in some toolchains. + + Each TLS block from the objects available at link time has a size + and an alignment requirement. The GNU ld computes the alignment + requirements for the data at the positions *in the file*, though. + I.e, it is not simply possible to allocate a block with the size + of the TLS program header entry. The data is layed out assuming + that the first byte of the TLS block fulfills + + p_vaddr mod p_align == &TLS_BLOCK mod p_align + + This means we have to add artificial padding at the beginning of + the TLS block. These bytes are never used for the TLS data in + this module but the first byte allocated must be aligned + according to mod p_align == 0 so that the first byte of the TLS + block is aligned according to p_vaddr mod p_align. This is ugly + and the linker can help by computing the offsets in the TLS block + assuming the first byte of the TLS block is aligned according to + p_align. + + The extra space which might be allocated before the first byte of + the TLS block need not go unused. The code below tries to use + that memory for the next TLS block. This can work if the total + memory requirement for the next TLS block is smaller than the + gap. */ + + /* Loop over the loaded DSOs. We use the symbol search order; this + should be the same as glibc's ordering, which traverses l_next. + It's somewhat important that we use both the same ordering to + assign module IDs and the same algorithm to assign offsets, + because the prelinker will resolve all relocations using these + offsets... and then glibc will recalculate them. Future dynamic + relocations in any loaded modules will use glibc's values. Also + if we take too much space here, glibc won't allocate enough + static TLS area to hold it. */ + + if (tls_tcb_at_tp == 1) + { + /* We simply start with zero. */ + uint64_t offset = 0; + + for (i = 0; i < search_list->r_nlist; i++) + { + struct ldlibs_link_map *map = search_list->r_list[i]; + + uint64_t firstbyte = (-map->l_tls_firstbyte_offset + & (map->l_tls_align - 1)); + uint64_t off; + + /* elf/rtld.c would have caused us to skip this block.. so emulate this */ + if (map->l_tls_blocksize == 0) + continue; + + /* allocate_tls_init would nomrally Increment the module id */ + map->l_tls_modid = modid++; + + if (freebottom - freetop >= map->l_tls_blocksize) + { + off = roundup (freetop + map->l_tls_blocksize + - firstbyte, map->l_tls_align) + + firstbyte; + if (off <= freebottom) + { + freetop = off; + + map->l_tls_offset = off; + continue; + } + } + + off = roundup (offset + map->l_tls_blocksize - firstbyte, + map->l_tls_align) + firstbyte; + if (off > offset + map->l_tls_blocksize + + (freebottom - freetop)) + { + freetop = offset; + freebottom = off - map->l_tls_blocksize; + } + offset = off; + + map->l_tls_offset = off; + } + } + else if (tls_dtv_at_tp == 1) + { + uint64_t offset = tls_tcb_size; + + for (i = 0; i < search_list->r_nlist; i++) + { + struct ldlibs_link_map *map = search_list->r_list[i]; + + uint64_t firstbyte = (-map->l_tls_firstbyte_offset + & (map->l_tls_align - 1)); + uint64_t off; + + /* elf/rtld.c would have caused us to skip this block.. so emulate this */ + if (map->l_tls_blocksize == 0) + continue; + + /* allocate_tls_init would nomrally Increment the module id */ + map->l_tls_modid = modid++; + + if (map->l_tls_blocksize <= freetop - freebottom) + { + off = roundup (freebottom, map->l_tls_align); + if (off - freebottom < firstbyte) + off += map->l_tls_align; + if (off + map->l_tls_blocksize - firstbyte <= freetop) + { + map->l_tls_offset = off - firstbyte; + freebottom = (off + map->l_tls_blocksize + - firstbyte); + continue; + } + } + + off = roundup (offset, map->l_tls_align); + if (off - offset < firstbyte) + off += map->l_tls_align; + + map->l_tls_offset = off - firstbyte; + if (off - firstbyte - offset > freetop - freebottom) + { + freebottom = offset; + freetop = off - firstbyte; + } + + offset = off + map->l_tls_blocksize - firstbyte; + } + } + else + { + /* Should never happen... */ + _dl_signal_error(0, NULL, NULL, "Neither TLS_TCB_AT_TP nor TLS_DTV_AT_TP is defined for this architecture"); + } +} diff --git a/trunk/src/rtld/dl-version.c b/trunk/src/rtld/dl-version.c new file mode 100644 index 0000000..e4040a6 --- /dev/null +++ b/trunk/src/rtld/dl-version.c @@ -0,0 +1,369 @@ +/* Based on code originally in eglibc 2.13, libc/elf/dl-version.c */ + +/* Handle symbol and library versioning. + Copyright (C) 1997-2002, 2003, 2004, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <assert.h> +#include <error.h> +#include <errno.h> +#include <string.h> +#include "rtld.h" + +#ifndef VERSYMIDX +# define VERSYMIDX(tag) (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (tag)) +#endif + +#define make_string(string, rest...) \ + ({ \ + const char *all[] = { string, ## rest }; \ + size_t len, cnt; \ + char *result, *cp; \ + \ + len = 1; \ + for (cnt = 0; cnt < sizeof (all) / sizeof (all[0]); ++cnt) \ + len += strlen (all[cnt]); \ + \ + cp = result = alloca (len); \ + for (cnt = 0; cnt < sizeof (all) / sizeof (all[0]); ++cnt) \ + cp = __stpcpy (cp, all[cnt]); \ + \ + result; \ + }) + + +static inline struct ldlibs_link_map * +find_needed (const char *name, struct ldlibs_link_map *map) +{ + struct ldlibs_link_map *tmap = map; + unsigned int n = 0; + + for (n = 0; n < map->l_local_scope[0]->r_nlist; n++) + { + tmap = map->l_local_scope[0]->r_list[n]; + if (_dl_name_match_p (name, tmap)) + return tmap; + } + + if (_dl_name_match_p (name, map)) + return map; + + /* Should never happen. */ + return NULL; +} + + +static int +match_symbol (const char *name, Elf64_Word hash, const char *string, + struct ldlibs_link_map *map, int verbose, int weak) +{ + const char *strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]); + Elf64_Verdef *def; + /* Initialize to make the compiler happy. */ + const char *errstring = NULL; + int result = 0; + + /* Display information about what we are doing while debugging. */ + if (__builtin_expect(GLRO_dl_debug_mask & DL_DEBUG_VERSIONS, 0)) + _dl_debug_printf ("\ +checking for version `%s' in file %s required by file %s\n", + string, map->l_name[0] ? map->l_name : rtld_progname, + name); + + if (__builtin_expect (map->l_info[VERSYMIDX (DT_VERDEF)] == NULL, 0)) + { + /* The file has no symbol versioning. I.e., the dependent + object was linked against another version of this file. We + only print a message if verbose output is requested. */ + if (verbose) + { + /* XXX We cannot translate the messages. */ + errstring = make_string ("\ +no version information available (required by ", name, ")"); + goto call_cerror; + } + return 0; + } + + def = (Elf64_Verdef *) ((char *) map->l_info[VERSYMIDX (DT_VERDEF)]); + while (1) + { + /* Currently the version number of the definition entry is 1. + Make sure all we see is this version. */ + if (__builtin_expect (def->vd_version, 1) != 1) + { + char buf[20]; + buf[sizeof (buf) - 1] = '\0'; + /* XXX We cannot translate the message. */ + /* _itoa (def->vd_version, + &buf[sizeof (buf) - 1], 10, 0), */ + errstring = make_string ("unsupported version ", + " of Verdef record"); + result = 1; + goto call_cerror; + } + + /* Compare the hash values. */ + if (hash == def->vd_hash) + { + Elf64_Verdaux *aux = (Elf64_Verdaux *) ((char *) def + def->vd_aux); + + /* To be safe, compare the string as well. */ + if (__builtin_expect (strcmp (string, strtab + aux->vda_name), 0) + == 0) + /* Bingo! */ + return 0; + } + + /* If no more definitions we failed to find what we want. */ + if (def->vd_next == 0) + break; + + /* Next definition. */ + def = (Elf64_Verdef *) ((char *) def + def->vd_next); + } + + /* Symbol not found. If it was a weak reference it is not fatal. */ + if (__builtin_expect (weak, 1)) + { + if (verbose) + { + /* XXX We cannot translate the message. */ + errstring = make_string ("weak version `", string, + "' not found (required by ", name, ")"); + goto call_cerror; + } + return 0; + } + + /* XXX We cannot translate the message. */ + errstring = make_string ("version `", string, "' not found (required by ", + name, ")"); + result = 1; + call_cerror: + _dl_signal_cerror (0, map->l_name[0] ? map->l_name : rtld_progname, + ("version lookup error"), errstring); + return result; +} + + +int +_dl_check_map_versions (struct ldlibs_link_map *map, int verbose, int trace_mode) +{ + int result = 0; + const char *strtab; + /* Pointer to section with needed versions. */ + Elf64_Verneed *dyn; + /* This file may require special versions from its dependencies. */ + Elf64_Verneed *ent; + /* Pointer to dynamic section with definitions. */ + Elf64_Verdef *def; + /* We need to find out which is the highest version index used + in a dependecy. */ + unsigned int ndx_high = 0; + /* Initialize to make the compiler happy. */ + const char *errstring = NULL; + int errval = 0; + + /* If we don't have a string table, we must be ok. */ + if (map->l_info[DT_STRTAB] == NULL) + return 0; + strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]); + + dyn = map->l_info[VERSYMIDX (DT_VERNEED)]; + def = map->l_info[VERSYMIDX (DT_VERDEF)]; + ent = (Elf64_Verneed *) (dyn); + + if (dyn != NULL) + { + + /* Currently the version number of the needed entry is 1. + Make sure all we see is this version. */ + if (__builtin_expect (ent->vn_version, 1) != 1) + { + char buf[20]; + buf[sizeof (buf) - 1] = '\0'; + /* XXX We cannot translate the message. */ + /* _itoa (def->vn_version, + &buf[sizeof (buf) - 1], 10, 0), */ + errstring = make_string ("unsupported version ", + " of Verneed record\n"); + call_error: + _dl_signal_error (errval, *map->l_name ? map->l_name : rtld_progname, + NULL, errstring); + } + + while (1) + { + Elf64_Vernaux *aux; + struct ldlibs_link_map *needed = find_needed (strtab + ent->vn_file, map); + + /* If NEEDED is NULL this means a dependency was not found + and no stub entry was created. This should never happen. */ + assert (needed != NULL); + + /* Make sure this is no stub we created because of a missing + dependency. */ + if (__builtin_expect (! trace_mode, 1)) + { + /* NEEDED is the map for the file we need. Now look for the + dependency symbols. */ + aux = (Elf64_Vernaux *) ((char *) ent + ent->vn_aux); + while (1) + { + /* Match the symbol. */ + result |= match_symbol ((*map->l_name + ? map->l_name : rtld_progname), + aux->vna_hash, + strtab + aux->vna_name, + needed, verbose, + aux->vna_flags & VER_FLG_WEAK); + + /* Compare the version index. */ + if ((unsigned int) (aux->vna_other & 0x7fff) > ndx_high) + ndx_high = aux->vna_other & 0x7fff; + + if (aux->vna_next == 0) + /* No more symbols. */ + break; + + /* Next symbol. */ + aux = (Elf64_Vernaux *) ((char *) aux + aux->vna_next); + } + } + + if (ent->vn_next == 0) + /* No more dependencies. */ + break; + + /* Next dependency. */ + ent = (Elf64_Verneed *) ((char *) ent + ent->vn_next); + } + } + + /* We also must store the names of the defined versions. Determine + the maximum index here as well. + + XXX We could avoid the loop by just taking the number of definitions + as an upper bound of new indeces. */ + if (def != NULL) + { + Elf64_Verdef *ent; + ent = (Elf64_Verdef *) (def); + while (1) + { + if ((unsigned int) (ent->vd_ndx & 0x7fff) > ndx_high) + ndx_high = ent->vd_ndx & 0x7fff; + + if (ent->vd_next == 0) + /* No more definitions. */ + break; + + ent = (Elf64_Verdef *) ((char *) ent + ent->vd_next); + } + } + + if (ndx_high > 0) + { + /* Now we are ready to build the array with the version names + which can be indexed by the version index in the VERSYM + section. */ + map->l_versions = (struct r_found_version *) + calloc (ndx_high + 1, sizeof (*map->l_versions)); + if (__builtin_expect (map->l_versions == NULL, 0)) + { + errstring = ("cannot allocate version reference table"); + errval = ENOMEM; + goto call_error; + } + + /* Store the number of available symbols. */ + map->l_nversions = ndx_high + 1; + + /* Compute the pointer to the version symbols. */ + map->l_versyms = (void *) D_PTR (map, l_info[VERSYMIDX (DT_VERSYM)]); + + if (dyn != NULL) + { + Elf64_Verneed *ent; + ent = (Elf64_Verneed *) (dyn); + while (1) + { + Elf64_Vernaux *aux; + aux = (Elf64_Vernaux *) ((char *) ent + ent->vn_aux); + while (1) + { + Elf64_Half ndx = aux->vna_other & 0x7fff; + /* In trace mode, dependencies may be missing. */ + if (__builtin_expect (ndx < map->l_nversions, 1)) + { + map->l_versions[ndx].hash = aux->vna_hash; + map->l_versions[ndx].hidden = aux->vna_other & 0x8000; + map->l_versions[ndx].name = &strtab[aux->vna_name]; + map->l_versions[ndx].filename = &strtab[ent->vn_file]; + } + + if (aux->vna_next == 0) + /* No more symbols. */ + break; + + /* Advance to next symbol. */ + aux = (Elf64_Vernaux *) ((char *) aux + aux->vna_next); + } + + if (ent->vn_next == 0) + /* No more dependencies. */ + break; + + /* Advance to next dependency. */ + ent = (Elf64_Verneed *) ((char *) ent + ent->vn_next); + } + } + + /* And insert the defined versions. */ + if (def != NULL) + { + Elf64_Verdef *ent; + ent = (Elf64_Verdef *) (def); + while (1) + { + Elf64_Verdaux *aux; + aux = (Elf64_Verdaux *) ((char *) ent + ent->vd_aux); + + if ((ent->vd_flags & VER_FLG_BASE) == 0) + { + /* The name of the base version should not be + available for matching a versioned symbol. */ + Elf64_Half ndx = ent->vd_ndx & 0x7fff; + map->l_versions[ndx].hash = ent->vd_hash; + map->l_versions[ndx].name = &strtab[aux->vda_name]; + map->l_versions[ndx].filename = NULL; + } + + if (ent->vd_next == 0) + /* No more definitions. */ + break; + + ent = (Elf64_Verdef *) ((char *) ent + ent->vd_next); + } + } + } + + return result; +} diff --git a/trunk/src/rtld/rtld.c b/trunk/src/rtld/rtld.c new file mode 100644 index 0000000..f9797c8 --- /dev/null +++ b/trunk/src/rtld/rtld.c @@ -0,0 +1,1241 @@ +/* Copyright (C) 2003 MontaVista Software, Inc. + Written by Daniel Jacobowitz <drow@mvista.com>, 2003 + + Copyright (C) 2011 Wind River Systems, Inc. + Significantly updated by Mark Hatle <mark.hatle@windriver.com>, 2011 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include <config.h> +#include <assert.h> +#include <ctype.h> +#include <error.h> +#include <errno.h> +#include <argp.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <unistd.h> +#include <libgen.h> + +#include "prelinktab.h" +#include "reloc.h" +#include "reloc-info.h" + +#include "rtld.h" + +unsigned int static_binary = 0; + +unsigned int _dl_debug_mask = 0; + +/* LD_DYNAMIC_WEAK option. Default is off, changing to 1 + is equivalent to setting LD_DYNAMIC_WEAK. */ +unsigned int _dl_dynamic_weak = 0; + +struct search_path +{ + int maxlen, count, allocated; + char **dirs; +}; + +struct search_path ld_dirs, ld_library_search_path; +int host_paths; + +char * dst_ORIGIN; +char * dst_PLATFORM = ""; /* undefined */ +char * dst_LIB = "lib"; + + +void string_to_path (struct search_path *path, const char *string); + +const char *argp_program_version = PRELINK_RTLD_PROG PKGVERSION " 1.0"; + +const char *argp_program_bug_address = REPORT_BUGS_TO; + +static char argp_doc[] = PRELINK_RTLD_PROG " -- program to simulate the runtime linker"; + +#define OPT_SYSROOT 0x8c +#define OPT_LIBRARY_PATH 0x8e +#define OPT_TARGET_PATHS 0x8f + +static struct argp_option options[] = { + {"library-path", OPT_LIBRARY_PATH, "LIBRARY_PATH", 0, "Set library search path to LIBRARY_PATH" }, + {"root", OPT_SYSROOT, "ROOT_PATH", 0, "Prefix all paths with ROOT_PATH" }, + {"target-paths", OPT_TARGET_PATHS, 0, 0, "Specified paths are based on ROOT_PATH" }, + { 0 } +}; + +static error_t +parse_opt (int key, char *arg, struct argp_state *state) +{ + switch (key) + { + case OPT_SYSROOT: + sysroot = arg; + break; + case OPT_LIBRARY_PATH: + string_to_path(&ld_library_search_path, arg); + break; + case OPT_TARGET_PATHS: + host_paths = 0; + break; + default: + return ARGP_ERR_UNKNOWN; + } + return 0; +} + +/* This function returns the same constants expected by glibc's + symbol lookup routines. This is slightly different from the + equivalent routines in prelink. It should return PLT for any + relocation where an undefined symbol in the application should + be ignored: typically, this means any jump slot or TLS relocations, + but not copy relocations. Don't return the prelinker's + RTYPE_CLASS_TLS. */ + +/* The following needs to be kept in sync with the + sysdeps/.../dl-machine.h: elf_machine_type_class macro */ + +# define i386_elf_machine_type_class(type) \ + ((((type) == R_386_JMP_SLOT || (type) == R_386_TLS_DTPMOD32 \ + || (type) == R_386_TLS_DTPOFF32 || (type) == R_386_TLS_TPOFF32 \ + || (type) == R_386_TLS_TPOFF || (type) == R_386_TLS_DESC) \ + * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_386_COPY) * ELF_RTYPE_CLASS_COPY)) + +# define x86_64_elf_machine_type_class(type) \ + ((((type) == R_X86_64_JUMP_SLOT \ + || (type) == R_X86_64_DTPMOD64 \ + || (type) == R_X86_64_DTPOFF64 \ + || (type) == R_X86_64_TPOFF64 \ + || (type) == R_X86_64_TLSDESC) \ + * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_X86_64_COPY) * ELF_RTYPE_CLASS_COPY)) + +# define arm_elf_machine_type_class(type) \ + ((((type) == R_ARM_JUMP_SLOT || (type) == R_ARM_TLS_DTPMOD32 \ + || (type) == R_ARM_TLS_DTPOFF32 || (type) == R_ARM_TLS_TPOFF32) \ + * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY)) + +# define sh_elf_machine_type_class(type) \ + ((((type) == R_SH_JMP_SLOT || (type) == R_SH_TLS_DTPMOD32 \ + || (type) == R_SH_TLS_DTPOFF32 || (type) == R_SH_TLS_TPOFF32) \ + * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_SH_COPY) * ELF_RTYPE_CLASS_COPY)) + +#define powerpc32_elf_machine_type_class(type) \ + ((((type) == R_PPC_JMP_SLOT \ + || (type) == R_PPC_REL24 \ + || ((type) >= R_PPC_DTPMOD32 /* contiguous TLS */ \ + && (type) <= R_PPC_DTPREL32) \ + || (type) == R_PPC_ADDR24) * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_PPC_COPY) * ELF_RTYPE_CLASS_COPY)) + +#define powerpc64_elf_machine_type_class(type) \ + (ELF_RTYPE_CLASS_PLT | (((type) == R_PPC64_COPY) * ELF_RTYPE_CLASS_COPY)) + +#define ELF_MACHINE_JMP_SLOT R_MIPS_JUMP_SLOT +#define mips_elf_machine_type_class(type) \ + ((((type) == ELF_MACHINE_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_MIPS_COPY) * ELF_RTYPE_CLASS_COPY)) + +#define sparc_elf_machine_type_class(type) \ + ((((type) == R_SPARC_JMP_SLOT \ + || ((type) >= R_SPARC_TLS_GD_HI22 && (type) <= R_SPARC_TLS_TPOFF64)) \ + * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_SPARC_COPY) * ELF_RTYPE_CLASS_COPY)) + +# define sparc64_elf_machine_type_class(type) \ + ((((type) == R_SPARC_JMP_SLOT \ + || ((type) >= R_SPARC_TLS_GD_HI22 && (type) <= R_SPARC_TLS_TPOFF64)) \ + * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_SPARC_COPY) * ELF_RTYPE_CLASS_COPY)) + +int +reloc_type_class (int type, int machine) +{ + switch (machine) + { + case EM_386: + return i386_elf_machine_type_class(type); + case EM_X86_64: + return x86_64_elf_machine_type_class(type); + case EM_ARM: + return arm_elf_machine_type_class(type); + case EM_SH: + return sh_elf_machine_type_class(type); + case EM_PPC: + return powerpc32_elf_machine_type_class(type); + case EM_PPC64: + return powerpc64_elf_machine_type_class(type); + case EM_MIPS: + return mips_elf_machine_type_class(type); + case EM_SPARC: + case EM_SPARC32PLUS: + return sparc_elf_machine_type_class(type); + case EM_SPARCV9: + return sparc64_elf_machine_type_class(type); + + default: + printf ("Unknown architecture!\n"); + exit (1); + return 0; + } +} + +int +is_ldso_soname (const char *soname) +{ + if (! strcmp (soname, "ld-linux.so.2") + || ! strcmp (soname, "ld-linux.so.3") + || ! strcmp (soname, "ld.so.1") + || ! strcmp (soname, "ld-linux-ia64.so.2") + || ! strcmp (soname, "ld-linux-x86-64.so.2") + || ! strcmp (soname, "ld64.so.1")) + return 1; + return 0; +} + +static int dso_open_error = 0; + +static void +free_needed (struct needed_list *p) +{ + struct needed_list *old_p = p; + while (old_p) + { + old_p = p->next; + free (p); + p = old_p; + } +} + +static struct dso_list * +in_dso_list (struct dso_list *dso_list, const char *soname, const char *filename) +{ + while (dso_list != NULL) + { + if (dso_list->dso != NULL) + { + if (strcmp (dso_list->dso->soname, soname) == 0) + return dso_list; + } + + if (strcmp (dso_list->name, soname) == 0) + return dso_list; + + if (filename && dso_list->canon_filename + && strcmp (dso_list->canon_filename, filename) == 0) + return dso_list; + + dso_list = dso_list->next; + } + return NULL; +} + +static int +in_needed_list (struct needed_list *needed_list, const char *soname) +{ + while (needed_list != NULL) + { + if (needed_list->ent->dso != NULL + && strcmp (needed_list->ent->dso->soname, soname) == 0) + return 1; + needed_list = needed_list->next; + } + return 0; +} + + +/****/ + +void +add_dir (struct search_path *path, const char *dir, int dirlen) +{ + if (path->allocated == 0) + { + path->allocated = 5; + path->dirs = malloc (sizeof (char *) * 5); + } + else if (path->count == path->allocated) + { + path->allocated *= 2; + path->dirs = realloc (path->dirs, sizeof (char *) * path->allocated); + } + path->dirs[path->count] = malloc (dirlen + 1); + memcpy (path->dirs[path->count], dir, dirlen); + path->dirs[path->count++][dirlen] = 0; + + if (path->maxlen < dirlen) + path->maxlen = dirlen; +} + +void +free_path (struct search_path *path) +{ + if (path->allocated) + { + int i; + for (i = 0; i < path->count; i++) + free (path->dirs[i]); + free (path->dirs); + } +} + +void +load_ld_so_conf (int machine, int use_64bit, int mipsn32) +{ + int fd; + FILE *conf; + char buf[1024]; + + memset (&ld_dirs, 0, sizeof (ld_dirs)); + + /* Only use the correct machine, to prevent mismatches if we + have both /lib/ld.so and /lib64/ld.so on x86-64. */ + if (machine == EM_MIPS && mipsn32) /* MIPSn32 */ + { + dst_LIB = "lib32"; + add_dir (&ld_dirs, "/lib32/tls", strlen ("/lib32/tls")); + add_dir (&ld_dirs, "/lib32", strlen ("/lib32")); + add_dir (&ld_dirs, "/usr/lib32/tls", strlen ("/usr/lib32/tls")); + add_dir (&ld_dirs, "/usr/lib32", strlen ("/usr/lib32")); + } + else if (machine == EM_X86_64 && !use_64bit) /* x32 */ + { + dst_LIB = "libx32"; + add_dir (&ld_dirs, "/libx32/tls", strlen ("/libx32/tls")); + add_dir (&ld_dirs, "/libx32", strlen ("/libx32")); + add_dir (&ld_dirs, "/usr/libx32/tls", strlen ("/usr/libx32/tls")); + add_dir (&ld_dirs, "/usr/libx32", strlen ("/usr/libx32")); + } + else if (use_64bit) + { + dst_LIB = "lib64"; + add_dir (&ld_dirs, "/lib64/tls", strlen ("/lib64/tls")); + add_dir (&ld_dirs, "/lib64", strlen ("/lib64")); + add_dir (&ld_dirs, "/usr/lib64/tls", strlen ("/usr/lib64/tls")); + add_dir (&ld_dirs, "/usr/lib64", strlen ("/usr/lib64")); + } + else + { + dst_LIB = "lib"; + add_dir (&ld_dirs, "/lib/tls", strlen ("/lib/tls")); + add_dir (&ld_dirs, "/lib", strlen ("/lib")); + add_dir (&ld_dirs, "/usr/lib/tls", strlen ("/usr/lib/tls")); + add_dir (&ld_dirs, "/usr/lib", strlen ("/usr/lib")); + } + + fd = wrap_open ("/etc/ld.so.conf", O_RDONLY); + if (fd == -1) + return; + conf = fdopen (fd, "r"); + while (fgets (buf, 1024, conf) != NULL) + { + int len; + char *p; + + p = strchr (buf, '#'); + if (p) + *p = 0; + len = strlen (buf); + while (len > 0 && isspace (buf[len - 1])) + buf[--len] = 0; + + if (len > 0) + add_dir (&ld_dirs, buf, len); + } + fclose (conf); +} + +void +string_to_path (struct search_path *path, const char *string) +{ + const char *start, *end, *end_tmp; + + start = string; + while (1) { + end = start; + while (*end && *end != ':' && *end != ';') + end ++; + + /* Eliminate any trailing '/' characters, but be sure to leave a + leading slash if someeone wants / in their RPATH. */ + end_tmp = end; + while (end_tmp > start + 1 && end_tmp[-1] == '/') + end_tmp --; + + add_dir (path, start, end_tmp - start); + + if (*end == 0) + break; + + /* Skip the separator. */ + start = end + 1; + } +} + +char * +find_lib_in_path (struct search_path *path, const char *soname, + int elfclass, int machine) +{ + char *ret = NULL; + int i; + int alt_machine; + + switch (machine) + { + case EM_SPARC: + alt_machine = EM_SPARC32PLUS; + break; + case EM_SPARC32PLUS: + alt_machine = EM_SPARC; + break; + default: + alt_machine = machine; + break; + } + + for (i = 0; i < path->count; i++) + { + char * fixup_path, * path_string; + + path_string = fixup_path = strdup(path->dirs[i]); + + while ((path_string = strchr (path_string, '$'))) + { + char * replace = NULL; + size_t len = 0; + + if (strncmp("$ORIGIN", path_string, 7) == 0) { + replace = dst_ORIGIN; + len = 7; + } else if (strncmp("${ORIGIN}", path_string, 9) == 0) { + replace = dst_ORIGIN; + len = 9; + } else if (strncmp("$PLATFORM", path_string, 9) == 0) { + replace = dst_PLATFORM; + len = 9; + } else if (strncmp("${PLATFORM}", path_string, 11) == 0) { + replace = dst_PLATFORM; + len = 11; + } else if (strncmp("$LIB", path_string, 4) == 0) { + replace = dst_LIB; + len = 4; + } else if (strncmp("${LIB}", path_string, 6) == 0) { + replace = dst_LIB; + len = 6; + } else { + /* Not a defined item, so we skip to the next character */ + path_string += 1; + } + + if (replace) { + size_t new_path_len = strlen(fixup_path) - len + strlen(replace) + 1; + char * new_path = malloc(new_path_len); + + /* Calculate the new path_string position based on the old position */ + size_t new_path_pos = (path_string - fixup_path) + strlen(replace); + + snprintf(new_path, new_path_len, "%.*s%s%s", (int)(path_string-fixup_path), + fixup_path, replace, path_string + len); + + free(fixup_path); + + fixup_path = new_path; + path_string = fixup_path + new_path_pos; + } + } + + ret = malloc (strlen (soname) + 2 + strlen(fixup_path)); + sprintf (ret, "%s/%s", fixup_path, soname); + + if (wrap_access (ret, F_OK) == 0) + { + DSO *dso = open_dso (ret); + int dso_class = gelf_getclass (dso->elf); + int dso_machine = (dso_class == ELFCLASS32) ? + elf32_getehdr (dso->elf)->e_machine : + elf64_getehdr (dso->elf)->e_machine; + + if (dso == NULL) + continue; + + /* Skip 32-bit libraries when looking for 64-bit. Also + skip libraries for alternative machines. */ + if (gelf_getclass (dso->elf) != elfclass + || (dso_machine != machine && dso_machine != alt_machine)) + { + close_dso (dso); + continue; + } + + close_dso (dso); + return ret; + } + } + + free (ret); + return NULL; +} + +char * +find_lib_by_soname (const char *soname, struct dso_list *loader, + int elfclass, int machine) +{ + char *ret; + + if (strchr (soname, '/')) + return strdup (soname); + + if (loader->dso->info[DT_RUNPATH] == 0) + { + /* Search DT_RPATH all the way up. */ + struct dso_list *loader_p = loader; + while (loader_p) + { + if (loader_p->dso->info[DT_RPATH]) + { + struct search_path r_path; + const char *rpath = get_data (loader_p->dso, + loader_p->dso->info[DT_STRTAB] + + loader_p->dso->info[DT_RPATH], + NULL, NULL); + memset (&r_path, 0, sizeof (r_path)); + string_to_path (&r_path, rpath); + ret = find_lib_in_path (&r_path, soname, elfclass, machine); + free_path (&r_path); + if (ret) + return ret; + } + loader_p = loader_p->loader; + } + } + + ret = find_lib_in_path (&ld_library_search_path, soname, elfclass, machine); + if (ret) + return ret; + + if (loader->dso->info[DT_RUNPATH]) + { + struct search_path r_path; + const char *rpath = get_data (loader->dso, + loader->dso->info[DT_STRTAB] + + loader->dso->info[DT_RUNPATH], + NULL, NULL); + memset (&r_path, 0, sizeof (r_path)); + string_to_path (&r_path, rpath); + ret = find_lib_in_path (&r_path, soname, elfclass, machine); + free_path (&r_path); + if (ret) + return ret; + } + + ret = find_lib_in_path (&ld_dirs, soname, elfclass, machine); + if (ret) + return ret; + + return NULL; +} + +static struct dso_list * +load_dsos (DSO *dso, int host_paths) +{ + struct dso_list *dso_list, *dso_list_tail, *cur_dso_ent, *new_dso_ent; + struct stat64 st; + + /* Assume it's static unless we find DT_NEEDED entries */ + static_binary = 1; + + dso_list = malloc (sizeof (struct dso_list)); + dso_list->dso = dso; + dso_list->next = NULL; + dso_list->prev = NULL; + dso_list->needed = NULL; + dso_list->name = dso->filename; + dso_list->loader = NULL; + + if (host_paths) + dso_list->canon_filename = canonicalize_file_name (dso->filename); + else + dso_list->canon_filename = prelink_canonicalize (dso->filename, &st); + + if (dso_list->canon_filename == NULL) + dso_list->canon_filename = strdup (dso->filename); + + cur_dso_ent = dso_list_tail = dso_list; + + while (cur_dso_ent != NULL) + { + DSO *cur_dso, *new_dso; + Elf_Scn *scn; + Elf_Data *data; + GElf_Dyn dyn; + + cur_dso = cur_dso_ent->dso; + if (cur_dso == NULL) + { + cur_dso_ent = cur_dso_ent->next; + continue; + } + + scn = cur_dso->scn[cur_dso->dynamic]; + data = NULL; + while ((data = elf_getdata (scn, data)) != NULL) + { + int ndx, maxndx; + maxndx = data->d_size / cur_dso->shdr[cur_dso->dynamic].sh_entsize; + for (ndx = 0; ndx < maxndx; ++ndx) + { + gelfx_getdyn (cur_dso->elf, data, ndx, &dyn); + if (dyn.d_tag == DT_NULL) + break; + if (dyn.d_tag == DT_NEEDED) + { + /* Not static... */ + static_binary = 0; + + char *new_name=NULL, *new_canon_name=NULL; + const char *soname = get_data (cur_dso, + cur_dso->info[DT_STRTAB] + + dyn.d_un.d_val, + NULL, NULL); + new_dso_ent = in_dso_list (dso_list, soname, NULL); + if (new_dso_ent == NULL) + { + if (__builtin_expect (GLRO_dl_debug_mask & DL_DEBUG_FILES, 0)) + printf ("\tfile=%s [0]; needed by %s [0]\n", + soname, cur_dso->filename); + + int machine; + int class = gelf_getclass (dso->elf); + machine = (class == ELFCLASS32) ? + elf32_getehdr (dso->elf)->e_machine : + elf64_getehdr (dso->elf)->e_machine; + new_name = find_lib_by_soname (soname, cur_dso_ent, + class, machine); + if (new_name == 0 || wrap_access (new_name, R_OK) < 0) + { + dso_open_error ++; + + new_dso_ent = malloc (sizeof (struct dso_list)); + dso_list_tail->next = new_dso_ent; + dso_list_tail->next->prev = dso_list_tail; + dso_list_tail = dso_list_tail->next; + dso_list_tail->next = NULL; + dso_list_tail->dso = NULL; + dso_list_tail->needed = NULL; + dso_list_tail->name = soname; + dso_list_tail->loader = NULL; + dso_list_tail->canon_filename = strdup(soname); + dso_list_tail->err_no = errno; + + continue; + } + + /* See if the filename we found has already been + opened (possibly under a different SONAME via + some symlink). */ + new_canon_name = prelink_canonicalize (new_name, NULL); + if (new_canon_name == NULL) + new_canon_name = strdup (new_name); + new_dso_ent = in_dso_list (dso_list, soname, new_canon_name); + } + else if (new_dso_ent->dso == NULL) + continue; + + if (new_dso_ent == NULL) + { + new_dso = open_dso (new_name); + free (new_name); + new_dso_ent = malloc (sizeof (struct dso_list)); + dso_list_tail->next = new_dso_ent; + dso_list_tail->next->prev = dso_list_tail; + dso_list_tail = dso_list_tail->next; + dso_list_tail->next = NULL; + dso_list_tail->dso = new_dso; + dso_list_tail->needed = NULL; + dso_list_tail->loader = cur_dso_ent; + dso_list_tail->canon_filename = new_canon_name; + dso_list_tail->err_no = 0; + + if (is_ldso_soname (new_dso->soname)) + dso_list_tail->name = new_dso->filename; + else if (strcmp (new_dso->soname, new_dso->filename) == 0) + /* new_dso->soname might be a full path if the library + had no SONAME. Use the original SONAME instead. */ + dso_list_tail->name = soname; + else + /* Use the new SONAME if possible, in case some library + links to this one using an incorrect SONAME. */ + dso_list_tail->name = new_dso->soname; + } + + if (!cur_dso_ent->needed) + { + cur_dso_ent->needed = malloc (sizeof (struct needed_list)); + cur_dso_ent->needed_tail = cur_dso_ent->needed; + cur_dso_ent->needed_tail->ent = new_dso_ent; + cur_dso_ent->needed_tail->next = NULL; + } + else if (!in_needed_list (cur_dso_ent->needed, soname)) + { + cur_dso_ent->needed_tail->next = malloc (sizeof (struct needed_list)); + cur_dso_ent->needed_tail = cur_dso_ent->needed_tail->next; + cur_dso_ent->needed_tail->ent = new_dso_ent; + cur_dso_ent->needed_tail->next = NULL; + } + + continue; + } + if (dyn.d_tag == DT_FILTER || dyn.d_tag == DT_AUXILIARY) + { + // big fat warning; + } + } + } + cur_dso_ent = cur_dso_ent->next; + } + return dso_list; +} + +struct +{ + void *symptr; + int rtypeclass; +} cache; + +void +do_reloc (DSO *dso, struct ldlibs_link_map *map, struct r_scope_elem *scope[], + GElf_Word sym, GElf_Word type) +{ + struct r_found_version *ver; + int rtypeclass; + void *symptr; + const char *name; + Elf64_Word st_name; + + if (map->l_versyms) + { + int vernum = map->l_versyms[sym] & 0x7fff; + ver = &map->l_versions[vernum]; + + /* Memory was allocated for the hash table, but it's empty! */ + if (ver && (ver->name == NULL || ver->hash == 0)) + ver = NULL; + } + else + ver = NULL; + + rtypeclass = reloc_type_class (type, dso->ehdr.e_machine); + + if (gelf_getclass (dso->elf) == ELFCLASS32) + { + Elf32_Sym *sym32 = &((Elf32_Sym *)map->l_info[DT_SYMTAB])[sym]; + + if (ELF32_ST_BIND (sym32->st_info) == STB_LOCAL) + return; + symptr = sym32; + st_name = sym32->st_name; + } + else + { + Elf64_Sym *sym64 = &((Elf64_Sym *)map->l_info[DT_SYMTAB])[sym]; + + if (ELF64_ST_BIND (sym64->st_info) == STB_LOCAL) + return; + symptr = sym64; + st_name = sym64->st_name; + } + + if (cache.symptr == symptr && cache.rtypeclass == rtypeclass) + return; + cache.symptr = symptr; + cache.rtypeclass = rtypeclass; + + name = ((const char *)map->l_info[DT_STRTAB]) + st_name; + + if (gelf_getclass (dso->elf) == ELFCLASS32) + { + const Elf32_Sym *sym32 = symptr; + rtld_lookup_symbol_x32 (name, map, &sym32, scope, ver, rtypeclass, + 0, NULL); + symptr = (void *) sym32; + } + else + { + const Elf64_Sym *sym64 = symptr; + rtld_lookup_symbol_x64 (name, map, &sym64, scope, ver, rtypeclass, + 0, NULL); + symptr = (void *) sym64; + } +} + +void +do_rel_section (DSO *dso, struct ldlibs_link_map *map, + struct r_scope_elem *scope[], + int tag, int section) +{ + Elf_Data *data; + int ndx, maxndx, sym, type; + + data = elf_getdata (dso->scn[section], NULL); + maxndx = data->d_size / dso->shdr[section].sh_entsize; + for (ndx = 0; ndx < maxndx; ndx++) + { + if (tag == DT_REL) + { + GElf_Rel rel; + gelfx_getrel (dso->elf, data, ndx, &rel); + sym = reloc_r_sym (dso, rel.r_info); + type = reloc_r_type (dso, rel.r_info); + } + else + { + GElf_Rela rela; + gelfx_getrela (dso->elf, data, ndx, &rela); + sym = reloc_r_sym (dso, rela.r_info); + type = reloc_r_type (dso, rela.r_info); + } + if (sym != 0) + do_reloc (dso, map, scope, sym, type); + } +} + +void +do_relocs (DSO *dso, struct ldlibs_link_map *map, struct r_scope_elem *scope[], int tag) +{ + GElf_Addr rel_start, rel_end; + GElf_Addr pltrel_start, pltrel_end; + int first, last; + + /* Load the DT_REL or DT_RELA section. */ + if (dso->info[tag] != 0) + { + rel_start = dso->info[tag]; + rel_end = rel_start + dso->info[tag == DT_REL ? DT_RELSZ : DT_RELASZ]; + first = addr_to_sec (dso, rel_start); + last = addr_to_sec (dso, rel_end - 1); + while (first <= last) + do_rel_section (dso, map, scope, tag, first++); + + /* If the DT_JMPREL relocs are of the same type and not included, + load them too. Assume they overlap completely or not at all, + and are in at most a single section. They also need to be adjacent. */ + if (dso->info[DT_PLTREL] == tag) + { + pltrel_start = dso->info[DT_JMPREL]; + pltrel_end = pltrel_start + dso->info[DT_PLTRELSZ]; + if (pltrel_start < rel_start || pltrel_start >= rel_end) + do_rel_section (dso, map, scope, tag, addr_to_sec (dso, pltrel_start)); + } + } + else if (dso->info[DT_PLTREL] == tag) + do_rel_section (dso, map, scope, tag, addr_to_sec (dso, dso->info[DT_JMPREL])); +} + +/* MIPS GOTs are not handled by normal relocations. Instead, entry X + in the global GOT is associated with symbol DT_MIPS_GOTSYM + X. + For the purposes of symbol lookup and conflict resolution, we need + to act as though entry X had a dynamic relocation against symbol + DT_MIPS_GOTSYM + X. */ + +void +do_mips_global_got_relocs (DSO *dso, struct ldlibs_link_map *map, + struct r_scope_elem *scope[]) +{ + GElf_Word i; + + for (i = dso->info_DT_MIPS_GOTSYM; i < dso->info_DT_MIPS_SYMTABNO; i++) + do_reloc (dso, map, scope, i, R_MIPS_REL32); +} + +void +handle_relocs_in_entry (struct dso_list *entry, struct dso_list *dso_list) +{ + do_relocs (entry->dso, entry->map, dso_list->map->l_local_scope, DT_REL); + do_relocs (entry->dso, entry->map, dso_list->map->l_local_scope, DT_RELA); + if (entry->dso->ehdr.e_machine == EM_MIPS) + do_mips_global_got_relocs (entry->dso, entry->map, + dso_list->map->l_local_scope); +} + +void +handle_relocs (DSO *dso, struct dso_list *dso_list) +{ + struct dso_list *ldso, *tail; + + /* do them all last to first. + skip the dynamic linker; then do it last + in glibc this is conditional on the opencount; but every binary + should be linked to libc and thereby have an opencount for ld.so... + besides, that's the only way it would get on our dso list. */ + + tail = dso_list; + while (tail->next) + tail = tail->next; + + ldso = NULL; + while (tail) + { + if (is_ldso_soname (tail->dso->soname)) + ldso = tail; + else + handle_relocs_in_entry (tail, dso_list); + tail = tail->prev; + } + + if (ldso) + handle_relocs_in_entry (ldso, dso_list); +} + +void +add_to_scope (struct r_scope_elem *scope[], struct dso_list *ent) +{ + struct needed_list *n; + int i; + + for (i = 0; i < scope[0]->r_nlist; i++) + if (scope[0]->r_list[i] == ent->map) + return; + + scope[0]->r_list[scope[0]->r_nlist++] = ent->map; + n = ent->needed; + while (n) + { + add_to_scope (scope, n->ent); + n = n->next; + } +} + +void +build_local_scope (struct dso_list *ent, int max) +{ + ent->map->l_local_scope[0] = malloc (sizeof (struct r_scope_elem)); + ent->map->l_local_scope[0]->r_list = malloc (sizeof (struct ldlibs_link_map *) * max); + ent->map->l_local_scope[0]->r_nlist = 0; + add_to_scope (ent->map->l_local_scope, ent); +} + +static struct argp argp = { options, parse_opt, "[FILES]", argp_doc }; + +struct ldlibs_link_map *requested_map; + +static void process_one_dso (DSO *dso, int host_paths); + +int +main(int argc, char **argv) +{ + int remaining; + int multiple = 0; + host_paths = 1; + + char * debug = NULL; + + sysroot = getenv ("PRELINK_SYSROOT"); +#ifdef DEFAULT_SYSROOT + if (sysroot == NULL) + { + extern char *make_relative_prefix (const char *, const char *, const char *); + sysroot = make_relative_prefix (argv[0], BINDIR, DEFAULT_SYSROOT); + } +#endif + + elf_version (EV_CURRENT); + + argp_parse (&argp, argc, argv, 0, &remaining, 0); + + if (sysroot) + sysroot = canonicalize_file_name (sysroot); + + if (remaining == argc) + error (1, 0, "missing file arguments\nTry `%s: --help' for more information.", argv[0]); + + if ((argc-remaining) >= 2) + multiple = 1; + + /* More simplistic then glibc, one option only... */ + debug = getenv ("RTLD_DEBUG"); + if (debug && (!strcmp(debug, "files") || !strcmp(debug, "all"))) + _dl_debug_mask |= DL_DEBUG_FILES; + + if (debug && (!strcmp(debug, "symbols") || !strcmp(debug, "all"))) + _dl_debug_mask |= DL_DEBUG_SYMBOLS; + + if (debug && (!strcmp(debug, "versions") || !strcmp(debug, "all"))) + _dl_debug_mask |= DL_DEBUG_VERSIONS; + + if (debug && (!strcmp(debug, "bindings") || !strcmp(debug, "all"))) + _dl_debug_mask |= DL_DEBUG_BINDINGS; + + while (remaining < argc) + { + DSO *dso = NULL; + int i, fd; + + struct stat64 st; + + if (host_paths) + fd = open (argv[remaining], O_RDONLY); + else + fd = wrap_open (argv[remaining], O_RDONLY); + + if (fd >= 0 && fstat64(fd, &st) == 0) + if (!S_ISREG(st.st_mode)) + { + error (0, 0, "%s: %s", + argv[remaining], + "not regular file"); + goto exit; + } + + if (fd >= 0) { + dso = fdopen_dso (fd, argv[remaining]); + dst_ORIGIN = dirname(strdup(dso->filename)); + } + + if (dso == NULL) + { + error (0, 0, "%s: %s", + argv[remaining], + strerror(errno)); + goto exit; + } + + load_ld_so_conf ((dso->ehdr.e_machine), + (gelf_getclass (dso->elf) == ELFCLASS64), + (( dso->ehdr.e_machine == EM_MIPS ) && ( dso->ehdr.e_flags & EF_MIPS_ABI2 )) + ); + + if (multiple) + printf ("%s:\n", argv[remaining]); + + for (i = 0; i < dso->ehdr.e_phnum; ++i) + if (dso->phdr[i].p_type == PT_INTERP) + break; + + /* If there are no PT_INTERP segments, it is statically linked. */ + if (dso->ehdr.e_type == ET_EXEC && i == dso->ehdr.e_phnum) + printf ("\tnot a dynamic executable\n"); + else + { + int j; + Elf_Data *data; + j = addr_to_sec (dso, dso->phdr[i].p_vaddr); + if (j != -1) + { + data = elf_getdata (dso->scn[j], NULL); + if (data != NULL) + { + i = strnlen (data->d_buf, data->d_size); + if (i == data->d_size) + { + rtld_signal_error (0, dso->filename, NULL, ".interp section not zero terminated", 0); + } + else + { + rtld_progname = strdup (data->d_buf); + } + } + } + process_one_dso (dso, host_paths); + } + +exit: + remaining++; + } + + return 0; +} + +/* If you run ldd /lib/ld.so you get: + \tstatically linked + + The prelink-rtld does not do this, and returns blank... + */ +static void +process_one_dso (DSO *dso, int host_paths) +{ + struct dso_list *dso_list, *cur_dso_ent, *old_dso_ent; + const char *req; + int i, flag; + int ld_warn = 1; + + if ((req = getenv ("RTLD_TRACE_PRELINKING")) != NULL) + _dl_debug_mask |= DL_DEBUG_PRELINK; + + /* Close enough. Really it's if LD_WARN is "" and RTLD_TRACE_PRELINKING. */ + if (getenv ("RTLD_WARN") == NULL) + ld_warn = 0; + + /* Initialize unique symtable list */ + _ns_unique_sym_table = calloc(sizeof (struct unique_sym_table), 1); + + dso_list = load_dsos (dso, host_paths); + + cur_dso_ent = dso_list; + i = 0; + while (cur_dso_ent) + { + if (cur_dso_ent->dso) + { + create_map_object_from_dso_ent (cur_dso_ent); + if ((GLRO_dl_debug_mask & DL_DEBUG_PRELINK) && strcmp (req, cur_dso_ent->dso->filename) == 0) + requested_map = cur_dso_ent->map; + } + else + { + /* This is a dummy entry, we couldn't find the object */ + cur_dso_ent->map = _dl_new_object(cur_dso_ent->name, cur_dso_ent->canon_filename, lt_library); + } + i++; + cur_dso_ent = cur_dso_ent->next; + } + dso_list->map->l_local_scope[0] = malloc (sizeof (struct r_scope_elem)); + dso_list->map->l_local_scope[0]->r_list = malloc (sizeof (struct ldlibs_link_map *) * i); + dso_list->map->l_local_scope[0]->r_nlist = i; + cur_dso_ent = dso_list; + i = 0; + while (cur_dso_ent) + { + if (cur_dso_ent->map) + { + dso_list->map->l_local_scope[0]->r_list[i] = cur_dso_ent->map; + if (cur_dso_ent != dso_list) + build_local_scope (cur_dso_ent, dso_list->map->l_local_scope[0]->r_nlist); + + i++; + } + cur_dso_ent = cur_dso_ent->next; + } + + cur_dso_ent = dso_list; + + for (i = 0; i < cur_dso_ent->map->l_local_scope[0]->r_nlist; ++i) + if (cur_dso_ent->map->l_local_scope[0]->r_list[i]->l_versions == NULL) + _dl_check_map_versions (cur_dso_ent->map->l_local_scope[0]->r_list[i], 0, 0); + + rtld_determine_tlsoffsets (dso->ehdr.e_machine, dso_list->map->l_local_scope[0]); + + cur_dso_ent = dso_list; + + flag = 0; + /* In ldd mode, do not show the application. Note that we do show it + in list-loaded-objects RTLD_TRACE_PRELINK mode. */ + if (!(GLRO_dl_debug_mask & DL_DEBUG_PRELINK) && cur_dso_ent) + { + /* Based on the presence of DT_NEEDED, see load_dsos */ + if (static_binary) + { + printf ("\tstatically linked\n"); + } + cur_dso_ent = cur_dso_ent->next; + } + while (cur_dso_ent) + { + char *filename; + + if (host_paths && sysroot && cur_dso_ent->dso) + { + const char *rooted_filename; + + if (cur_dso_ent->dso->filename[0] == '/') + rooted_filename = cur_dso_ent->dso->filename; + else + rooted_filename = cur_dso_ent->canon_filename; + + filename = malloc (strlen (rooted_filename) + strlen (sysroot) + 1); + strcpy (filename, sysroot); + strcat (filename, rooted_filename); + } + else if (cur_dso_ent->dso) + filename = strdup (cur_dso_ent->dso->filename); + else + filename = NULL; + + int size_pointer = 16; + if (cur_dso_ent && cur_dso_ent->dso && gelf_getclass (cur_dso_ent->dso->elf) == ELFCLASS32) + size_pointer = 8; + + /* The difference between the two numbers must be dso->base, + and the first number must be unique. */ + if (dso_open_error && ld_warn && (GLRO_dl_debug_mask & DL_DEBUG_PRELINK)) + { + if (cur_dso_ent->dso == NULL) + rtld_signal_error(cur_dso_ent->err_no, cur_dso_ent->name, NULL, "cannot open shared object file", 0); + } + else if (cur_dso_ent->dso == NULL) + printf ("\t%s => not found\n", cur_dso_ent->name); + else if (GLRO_dl_debug_mask & DL_DEBUG_PRELINK) + { + struct ldlibs_link_map * l = cur_dso_ent->map; + printf ("\t%s => %s (0x%0*Zx, 0x%0*Zx)", + cur_dso_ent->name ? cur_dso_ent->name + : rtld_progname ?: "<main program>", + filename ? filename + : rtld_progname ?: "<main program>", + (int) size_pointer, + (size_t) l->l_map_start, + (int) size_pointer, + (size_t) (l->l_map_start - cur_dso_ent->dso->base)); + + if (l->l_tls_modid) + printf (" TLS(0x%Zx, 0x%0*Zx)\n", (size_t) l->l_tls_modid, + (int) size_pointer, + (size_t) l->l_tls_offset); + else + printf ("\n"); + } + else + { + struct ldlibs_link_map * l = cur_dso_ent->map; + if (!(GLRO_dl_debug_mask & DL_DEBUG_PRELINK) && strcmp (cur_dso_ent->name, filename) == 0) + printf ("\t%s (0x%0*Zx)\n", cur_dso_ent->name, + (int) size_pointer, + (size_t) l->l_map_start); + else + printf ("\t%s => %s (0x%0*Zx)\n", cur_dso_ent->name, + filename, size_pointer, + (size_t) l->l_map_start); + } + + if (filename) + free (filename); + + cur_dso_ent = cur_dso_ent->next; + flag = 1; + } + + if (dso_open_error) + exit (127); + + if (!ld_warn && (GLRO_dl_debug_mask & DL_DEBUG_PRELINK)) + handle_relocs (dso_list->dso, dso_list); + + cur_dso_ent = dso_list; + while (cur_dso_ent) + { + if (cur_dso_ent->dso) + close_dso (cur_dso_ent->dso); + old_dso_ent = cur_dso_ent; + cur_dso_ent = cur_dso_ent->next; + if (old_dso_ent->needed) + free_needed (old_dso_ent->needed); + free (old_dso_ent); + } +} diff --git a/trunk/src/rtld/rtld.h b/trunk/src/rtld/rtld.h new file mode 100644 index 0000000..b38fc9d --- /dev/null +++ b/trunk/src/rtld/rtld.h @@ -0,0 +1,295 @@ +#ifndef _LD_LIBS_H +#define _LD_LIBS_H + +#include "prelinktab.h" + +#include <elf.h> + +#if !defined (__linux__) +#define DT_VERSIONTAGNUM 16 +#endif + +struct needed_list +{ + struct dso_list *ent; + struct needed_list *next; +}; + +struct dso_list +{ + DSO *dso; + struct ldlibs_link_map *map; + struct dso_list *next, *prev; + struct needed_list *needed, *needed_tail; + const char *name; + struct dso_list *loader; + const char *canon_filename; + int err_no; +}; + +/* A data structure for a simple single linked list of strings. */ +struct libname_list + { + const char *name; /* Name requested (before search). */ + struct libname_list *next; /* Link to next name for this object. */ + }; + +struct ldlibs_link_map; + +struct r_scope_elem +{ + struct ldlibs_link_map **r_list; + unsigned int r_nlist; +}; + +struct r_found_version + { + const char *name; + Elf64_Word hash; + + int hidden; + const char *filename; + }; + +struct unique_sym_table + { + struct unique_sym + { + uint32_t hashval; + const char *name; + const void *sym; + struct link_map *map; + } *entries; + size_t size; + size_t n_elements; + void (*free) (void *); + }; + +extern struct unique_sym_table * _ns_unique_sym_table; + +/* The size of entries in .hash. Only Alpha and 64-bit S/390 use 64-bit + entries; those are not currently supported. */ +typedef uint32_t Elf_Symndx; + +/* Mimic libc/include/link.h struct link_map */ + +struct ldlibs_link_map + { + int elfclass; + + const char *l_name; + + struct libname_list *l_libname; + +#undef DT_THISPROCNUM +#define DT_THISPROCNUM 0 + + void *l_info[DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGNUM + + DT_EXTRANUM + DT_VALNUM + DT_ADDRNUM]; + + /* Array with vesion names. */ + struct r_found_version *l_versions; + unsigned int l_nversions; + + /* Symbol hash table. */ + Elf_Symndx l_nbuckets; + /* Begin PPC64 workaround */ + void *l_buckets_start; + void *l_buckets_end; + /* end workaround */ + Elf32_Word l_gnu_bitmask_idxbits; + Elf32_Word l_gnu_shift; + void *l_gnu_bitmask; + union + { + const Elf32_Word *l_gnu_buckets; + const Elf_Symndx *l_chain; + }; + union + { + const Elf32_Word *l_gnu_chain_zero; + const Elf_Symndx *l_buckets; + }; + + enum /* Where this object came from. */ + { + lt_executable, /* The main executable program. */ + lt_library, /* Library needed by main executable. */ + lt_loaded /* Extra run-time loaded shared object. */ + } l_type:2; + + /* Pointer to the version information if available. */ + Elf64_Versym *l_versyms; + + /* Start and finish of memory map for this object. l_map_start + need not be the same as l_addr. */ + Elf64_Addr l_map_start; + + /* A similar array, this time only with the local scope. This is + used occasionally. */ + struct r_scope_elem *l_local_scope[2]; + + /* Thread-local storage related info. */ + + /* Size of the TLS block. */ + uint64_t l_tls_blocksize; + /* Alignment requirement of the TLS block. */ + uint64_t l_tls_align; + /* Offset of first byte module alignment. */ + uint64_t l_tls_firstbyte_offset; + + /* For objects present at startup time: offset in the static TLS block. */ + uint64_t l_tls_offset; + /* Index of the module in the dtv array. */ + uint64_t l_tls_modid; + + Elf64_Addr sym_base; + const char *filename; + + Elf64_Half machine; + }; + +#define ELF_RTYPE_CLASS_COPY 2 +#define ELF_RTYPE_CLASS_PLT 1 + +#define GL(x) _##x +#define GLRO(x) _##x +#define INTUSE(x) x + +#define D_PTR(MAP,MEM) MAP->MEM +#define VERSYMIDX(sym) (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (sym)) + +extern unsigned int _dl_debug_mask; +extern unsigned int _dl_dynamic_weak; + +extern const char *rtld_progname; +#define _dl_debug_printf printf + +#define GLRO_dl_debug_mask _dl_debug_mask +#define DL_DEBUG_FILES 2 +#define DL_DEBUG_SYMBOLS 4 +#define DL_DEBUG_VERSIONS 8 +#define DL_DEBUG_BINDINGS 16 +#define DL_DEBUG_PRELINK 1 + +#define _dl_trace_prelink_map requested_map + +extern struct ldlibs_link_map *requested_map; + +#define __builtin_expect(a,b) (a) + +/* dl-load.c */ + +#define _dl_new_object rtld_new_object + +struct ldlibs_link_map * _dl_new_object (const char *realname, const char *libname, int type); + +/* dl-lookup.c */ + +#define lookup_t struct ldlibs_link_map * +#define LOOKUP_VALUE(map) map + +/* Search loaded objects' symbol tables for a definition of the symbol + referred to by UNDEF. *SYM is the symbol table entry containing the + reference; it is replaced with the defining symbol, and the base load + address of the defining object is returned. SYMBOL_SCOPE is a + null-terminated list of object scopes to search; each object's + l_searchlist (i.e. the segment of the dependency tree starting at that + object) is searched in turn. REFERENCE_NAME should name the object + containing the reference; it is used in error messages. + TYPE_CLASS describes the type of symbol we are looking for. */ +enum + { + /* If necessary add dependency between user and provider object. */ + DL_LOOKUP_ADD_DEPENDENCY = 1, + /* Return most recent version instead of default version for + unversioned lookup. */ + DL_LOOKUP_RETURN_NEWEST = 2, + /* Set if dl_lookup* called with GSCOPE lock held. */ + DL_LOOKUP_GSCOPE_LOCK = 4, + }; + +#define _dl_setup_hash rtld_setup_hash +void _dl_setup_hash (struct ldlibs_link_map *map); + +#define _dl_lookup_symbol_x32 rtld_lookup_symbol_x32 +#define _dl_lookup_symbol_x64 rtld_lookup_symbol_x64 + +/* Lookup versioned symbol. */ +inline lookup_t _dl_lookup_symbol_x (const char *undef, + struct ldlibs_link_map *undef_map, + const Elf64_Sym **sym, + struct r_scope_elem *symbol_scope[], + const struct r_found_version *version, + int type_class, int flags, + struct ldlibs_link_map *skip_map); + +/* Lookup versioned symbol. */ +lookup_t _dl_lookup_symbol_x32 (const char *undef, + struct ldlibs_link_map *undef_map, + const Elf32_Sym **sym, + struct r_scope_elem *symbol_scope[], + const struct r_found_version *version, + int type_class, int flags, + struct ldlibs_link_map *skip_map); + +/* Lookup versioned symbol. */ +lookup_t _dl_lookup_symbol_x64 (const char *undef, + struct ldlibs_link_map *undef_map, + const Elf64_Sym **sym, + struct r_scope_elem *symbol_scope[], + const struct r_found_version *version, + int type_class, int flags, + struct ldlibs_link_map *skip_map); + +/* dl-version.c */ + +#define _dl_check_map_versions rtld_check_map_versions +int _dl_check_map_versions (struct ldlibs_link_map *map, int verbose, int trace_mode); + +#define _dl_name_match_p rtld_name_match_p +int _dl_name_match_p (const char *name, const struct ldlibs_link_map *map); + +/* Error handling */ + +#include <error.h> +#include <errno.h> + +/* Mimic the behavior and output of _dl_signal_error */ +#define rtld_signal_error(errcode, objname, occation, errstring, status) \ + error(status, errcode, "%s: %s%s%s", \ + occation ?: "error while loading shared libraries", \ + objname ?: "", (objname && *(char *)objname) ? ": " : "", \ + errstring ?: "DYNAMIC LINKER BUG!!!") + +#define _dl_signal_error(errcode, objname, occation, errstring) rtld_signal_error(errcode, objname, occation, errstring, 1) +#define _dl_signal_cerror(errcode, objname, occation, errstring) rtld_signal_error(errcode, objname, occation, errstring, 0) +#define _dl_fatal_printf(errstring) rtld_signal_error(EINVAL, NULL, NULL, errstring, 1) + +/* dl-load.c */ + +extern void create_map_object_from_dso_ent (struct dso_list *); + +/* dl-tls.c */ + +void rtld_determine_tlsoffsets (int e_machine, struct r_scope_elem *search_list); + +#define _dl_determine_tlsoffsets rtld_determine_tlsoffsets + +/* dl-misc.c */ + +#define _dl_name_match_p rtld_name_match_p +#define _dl_higher_prime_number rtld_higher_prime_number + +extern int _dl_name_match_p (const char *name, const struct ldlibs_link_map *map); +extern unsigned long int _dl_higher_prime_number (unsigned long int n); + + +#if defined(__MINGW32__) +# define HOST_LONG_LONG_FORMAT "I64" +#else +# define HOST_LONG_LONG_FORMAT "ll" +#endif + +#endif + diff --git a/trunk/src/space.c b/trunk/src/space.c index f92348e..4bd4760 100644 --- a/trunk/src/space.c +++ b/trunk/src/space.c @@ -504,206 +504,219 @@ find_readonly_space (DSO *dso, GElf_Shdr *add, GElf_Ehdr *ehdr, } /* We have to create new PT_LOAD if at all possible. */ - addr = ehdr->e_phoff + (ehdr->e_phnum + 1) * ehdr->e_phentsize; - for (j = 1; j < ehdr->e_shnum; ++j) + for (j = 0; j < ehdr->e_phnum; ++j) + if (phdr[j].p_type == PT_NULL) + break; + + if (j < ehdr->e_phnum) + { + memmove (phdr, &phdr[j + 1], + (ehdr->e_phnum - j - 1) * sizeof (GElf_Phdr)); + ehdr->e_phnum--; + } + else { - if (addr > shdr[j].sh_offset) + addr = ehdr->e_phoff + (ehdr->e_phnum + 1) * ehdr->e_phentsize; + for (j = 1; j < ehdr->e_shnum; ++j) { - GElf_Addr start, addstart, endaddr, *old_addr; - GElf_Addr minsize = ~(GElf_Addr) 0; - int movesec = -1, last, k, e; - - if (ehdr->e_phoff < phdr[i].p_offset - || ehdr->e_phoff + (ehdr->e_phnum + 1) * ehdr->e_phentsize - > phdr[i].p_offset + phdr[i].p_filesz - || ! readonly_is_movable (dso, ehdr, shdr, j) - || shdr[j].sh_addr >= phdr[i].p_vaddr + phdr[i].p_filesz) + if (addr > shdr[j].sh_offset) { - error (0, 0, "%s: No space in ELF segment table to add new ELF segment", - dso->filename); - return 0; - } + GElf_Addr start, addstart, endaddr, *old_addr; + GElf_Addr minsize = ~(GElf_Addr) 0; + int movesec = -1, last, k, e; + + if (ehdr->e_phoff < phdr[i].p_offset + || ehdr->e_phoff + (ehdr->e_phnum + 1) * ehdr->e_phentsize + > phdr[i].p_offset + phdr[i].p_filesz + || ! readonly_is_movable (dso, ehdr, shdr, j) + || shdr[j].sh_addr >= phdr[i].p_vaddr + phdr[i].p_filesz) + { + error (0, 0, "%s: No space in ELF segment table to add new ELF segment", + dso->filename); + return 0; + } - start = phdr[i].p_vaddr - phdr[i].p_offset + ehdr->e_phoff - + (ehdr->e_phnum + 1) * ehdr->e_phentsize; - for (last = 1; last < ehdr->e_shnum; ++last) - if (! readonly_is_movable (dso, ehdr, shdr, last) - || shdr[last].sh_addr >= phdr[i].p_vaddr + phdr[i].p_filesz) - break; - for (j = 1; j < last; ++j) - { - addstart = (start + add->sh_addralign - 1) - & ~(add->sh_addralign - 1); - start = (start + shdr[j].sh_addralign - 1) - & ~(shdr[j].sh_addralign - 1); - endaddr = -1; - if (j + 1 < ehdr->e_shnum) - endaddr = shdr[j + 1].sh_addr; - if (phdr[i].p_vaddr + phdr[i].p_filesz < endaddr) - endaddr = phdr[i].p_vaddr + phdr[i].p_filesz; - - switch (shdr[j].sh_type) + start = phdr[i].p_vaddr - phdr[i].p_offset + ehdr->e_phoff + + (ehdr->e_phnum + 1) * ehdr->e_phentsize; + for (last = 1; last < ehdr->e_shnum; ++last) + if (! readonly_is_movable (dso, ehdr, shdr, last) + || shdr[last].sh_addr >= phdr[i].p_vaddr + phdr[i].p_filesz) + break; + for (j = 1; j < last; ++j) { - case SHT_HASH: - case SHT_GNU_HASH: - case SHT_DYNSYM: - case SHT_STRTAB: - case SHT_GNU_verdef: - case SHT_GNU_verneed: - case SHT_GNU_versym: - case SHT_GNU_LIBLIST: - if (endaddr >= start - && endaddr - start < minsize) - { - minsize = endaddr - start; - movesec = j; - } - if (endaddr > addstart - && endaddr - addstart > add->sh_size - && endaddr - addstart - add->sh_size - < minsize) + addstart = (start + add->sh_addralign - 1) + & ~(add->sh_addralign - 1); + start = (start + shdr[j].sh_addralign - 1) + & ~(shdr[j].sh_addralign - 1); + endaddr = -1; + if (j + 1 < ehdr->e_shnum) + endaddr = shdr[j + 1].sh_addr; + if (phdr[i].p_vaddr + phdr[i].p_filesz < endaddr) + endaddr = phdr[i].p_vaddr + phdr[i].p_filesz; + + switch (shdr[j].sh_type) { - minsize = endaddr - addstart - add->sh_size; - movesec = j; - } - break; - case SHT_REL: - case SHT_RELA: - case SHT_NOTE: - /* Don't allow inserting in between reloc sections - if they are adjacent. Similarly for adjacent - note sections. */ - if (j + 1 < ehdr->e_shnum) - { - if (shdr[j].sh_type == SHT_NOTE) + case SHT_HASH: + case SHT_GNU_HASH: + case SHT_DYNSYM: + case SHT_STRTAB: + case SHT_GNU_verdef: + case SHT_GNU_verneed: + case SHT_GNU_versym: + case SHT_GNU_LIBLIST: + if (endaddr >= start + && endaddr - start < minsize) + { + minsize = endaddr - start; + movesec = j; + } + if (endaddr > addstart + && endaddr - addstart > add->sh_size + && endaddr - addstart - add->sh_size + < minsize) + { + minsize = endaddr - addstart - add->sh_size; + movesec = j; + } + break; + case SHT_REL: + case SHT_RELA: + case SHT_NOTE: + /* Don't allow inserting in between reloc sections + if they are adjacent. Similarly for adjacent + note sections. */ + if (j + 1 < ehdr->e_shnum) { - if (shdr[j + 1].sh_type != SHT_NOTE) + if (shdr[j].sh_type == SHT_NOTE) + { + if (shdr[j + 1].sh_type != SHT_NOTE) + break; + } + else if (shdr[j + 1].sh_type != SHT_REL + && shdr[j + 1].sh_type != SHT_RELA) + { + break; + } + + if ((shdr[j].sh_addr + + ((shdr[j].sh_size + 3) & -4)) + != shdr[j + 1].sh_addr) break; - } - else if (shdr[j + 1].sh_type != SHT_REL - && shdr[j + 1].sh_type != SHT_RELA) - { - break; - } - if ((shdr[j].sh_addr - + ((shdr[j].sh_size + 3) & -4)) - != shdr[j + 1].sh_addr) - break; + start += shdr[j].sh_size; + continue; + } + break; + } - start += shdr[j].sh_size; - continue; - } - break; + if (start + shdr[j].sh_size <= endaddr) + { + movesec = j + 1; + break; + } + start += shdr[j].sh_size; } - if (start + shdr[j].sh_size <= endaddr) + if (movesec == -1) { - movesec = j + 1; - break; + error (0, 0, "%s: No space in ELF segment table to add new ELF segment", + dso->filename); + return 0; } - start += shdr[j].sh_size; - } - if (movesec == -1) - { - error (0, 0, "%s: No space in ELF segment table to add new ELF segment", - dso->filename); - return 0; - } - - start = phdr[i].p_vaddr - phdr[i].p_offset + ehdr->e_phoff - + (ehdr->e_phnum + 1) * ehdr->e_phentsize; - old_addr = (GElf_Addr *) alloca (movesec * sizeof (GElf_Addr)); - for (k = 1; k < movesec; ++k) - { - start = (start + shdr[k].sh_addralign - 1) - & ~(shdr[k].sh_addralign - 1); - old_addr[k] = shdr[k].sh_addr; - shdr[k].sh_addr = start; - shdr[k].sh_offset = start + phdr[i].p_offset - - phdr[i].p_vaddr; - start += shdr[k].sh_size; - } - - for (e = 0; e < ehdr->e_phnum; ++e) - if (phdr[e].p_type != PT_LOAD - && phdr[e].p_type != PT_GNU_STACK) + start = phdr[i].p_vaddr - phdr[i].p_offset + ehdr->e_phoff + + (ehdr->e_phnum + 1) * ehdr->e_phentsize; + old_addr = (GElf_Addr *) alloca (movesec * sizeof (GElf_Addr)); for (k = 1; k < movesec; ++k) - if (old_addr[k] == phdr[e].p_vaddr) - { - if (phdr[e].p_filesz != shdr[k].sh_size - || phdr[e].p_memsz != shdr[k].sh_size) + { + start = (start + shdr[k].sh_addralign - 1) + & ~(shdr[k].sh_addralign - 1); + old_addr[k] = shdr[k].sh_addr; + shdr[k].sh_addr = start; + shdr[k].sh_offset = start + phdr[i].p_offset + - phdr[i].p_vaddr; + start += shdr[k].sh_size; + } + + for (e = 0; e < ehdr->e_phnum; ++e) + if (phdr[e].p_type != PT_LOAD + && phdr[e].p_type != PT_GNU_STACK) + for (k = 1; k < movesec; ++k) + if (old_addr[k] == phdr[e].p_vaddr) { - int k1 = -1; - if (phdr[e].p_type == PT_NOTE - && shdr[k].sh_type == SHT_NOTE - && phdr[e].p_filesz == phdr[e].p_memsz) + if (phdr[e].p_filesz != shdr[k].sh_size + || phdr[e].p_memsz != shdr[k].sh_size) { - k1 = k; - while (k1 < movesec) + int k1 = -1; + if (phdr[e].p_type == PT_NOTE + && shdr[k].sh_type == SHT_NOTE + && phdr[e].p_filesz == phdr[e].p_memsz) { - if (shdr[k1].sh_type != SHT_NOTE - || shdr[k1].sh_addr - old_addr[k1] - != shdr[k].sh_addr - old_addr[k] - || old_addr[k1] + shdr[k1].sh_size - > phdr[e].p_vaddr + phdr[e].p_filesz) + k1 = k; + while (k1 < movesec) { - k1 = -1; - break; + if (shdr[k1].sh_type != SHT_NOTE + || shdr[k1].sh_addr - old_addr[k1] + != shdr[k].sh_addr - old_addr[k] + || old_addr[k1] + shdr[k1].sh_size + > phdr[e].p_vaddr + phdr[e].p_filesz) + { + k1 = -1; + break; + } + if (old_addr[k1] + shdr[k1].sh_size + == phdr[e].p_vaddr + phdr[e].p_filesz) + break; + ++k1; } - if (old_addr[k1] + shdr[k1].sh_size - == phdr[e].p_vaddr + phdr[e].p_filesz) - break; - ++k1; + if (k1 == movesec) + k1 = -1; + } + if (k1 == -1) + { + error (0, 0, "%s: Non-PT_LOAD segment spanning more than one section", + dso->filename); + return 0; } - if (k1 == movesec) - k1 = -1; - } - if (k1 == -1) - { - error (0, 0, "%s: Non-PT_LOAD segment spanning more than one section", - dso->filename); - return 0; } + phdr[e].p_vaddr += shdr[k].sh_addr - old_addr[k]; + phdr[e].p_paddr += shdr[k].sh_addr - old_addr[k]; + phdr[e].p_offset += shdr[k].sh_addr - old_addr[k]; + break; } - phdr[e].p_vaddr += shdr[k].sh_addr - old_addr[k]; - phdr[e].p_paddr += shdr[k].sh_addr - old_addr[k]; - phdr[e].p_offset += shdr[k].sh_addr - old_addr[k]; - break; - } - - if (j < last) - /* Now continue as if there was place for a new PT_LOAD - in ElfW(Phdr) table initially. */ - break; - else - { - GElf_Shdr moveshdr; - int newidx, ret, movedidx, oldidx; - - moveshdr = shdr[movesec]; - newidx = remove_readonly_section (ehdr, shdr, movesec, adjust); - oldidx = adjust->move->new_to_old[movesec]; - remove_section (adjust->move, movesec); - ret = find_readonly_space (dso, add, ehdr, phdr, shdr, adjust); - if (ret == 0) - return 0; - movedidx = find_readonly_space (dso, &moveshdr, ehdr, phdr, - shdr, adjust); - if (movedidx == 0) - return 0; - if (newidx != -1) - adjust->new[newidx] = movedidx; - add_section (adjust->move, movedidx); - if (oldidx != -1) + + if (j < last) + /* Now continue as if there was place for a new PT_LOAD + in ElfW(Phdr) table initially. */ + break; + else { - adjust->move->old_to_new[oldidx] = movedidx; - adjust->move->new_to_old[movedidx] = oldidx; + GElf_Shdr moveshdr; + int newidx, ret, movedidx, oldidx; + + moveshdr = shdr[movesec]; + newidx = remove_readonly_section (ehdr, shdr, movesec, adjust); + oldidx = adjust->move->new_to_old[movesec]; + remove_section (adjust->move, movesec); + ret = find_readonly_space (dso, add, ehdr, phdr, shdr, adjust); + if (ret == 0) + return 0; + movedidx = find_readonly_space (dso, &moveshdr, ehdr, phdr, + shdr, adjust); + if (movedidx == 0) + return 0; + if (newidx != -1) + adjust->new[newidx] = movedidx; + add_section (adjust->move, movedidx); + if (oldidx != -1) + { + adjust->move->old_to_new[oldidx] = movedidx; + adjust->move->new_to_old[movedidx] = oldidx; + } + if (movedidx <= ret) + ++ret; + return ret; } - if (movedidx <= ret) - ++ret; - return ret; } } } diff --git a/trunk/src/undoall.c b/trunk/src/undoall.c index 4ce4670..90e9240 100644 --- a/trunk/src/undoall.c +++ b/trunk/src/undoall.c @@ -88,7 +88,7 @@ undo_one (void **p, void *info) { size_t len; - if (lstat64 (hardlink->canon_filename, &st) < 0) + if (wrap_lstat64 (hardlink->canon_filename, &st) < 0) { error (0, 0, "Could not stat %s (former hardlink to %s)", hardlink->canon_filename, ent->canon_filename); @@ -128,19 +128,19 @@ undo_one (void **p, void *info) memcpy (mempcpy (move, hardlink->canon_filename, len), ".#prelink#", sizeof (".#prelink#")); - if (rename (hardlink->canon_filename, move) < 0) + if (wrap_rename (hardlink->canon_filename, move) < 0) { error (0, errno, "Could not hardlink %s to %s", hardlink->canon_filename, ent->canon_filename); continue; } - if (link (ent->canon_filename, hardlink->canon_filename) < 0) + if (wrap_link (ent->canon_filename, hardlink->canon_filename) < 0) { error (0, errno, "Could not hardlink %s to %s", hardlink->canon_filename, ent->canon_filename); - if (rename (move, hardlink->canon_filename) < 0) + if (wrap_rename (move, hardlink->canon_filename) < 0) { error (0, errno, "Could not rename %s back to %s", move, hardlink->canon_filename); @@ -148,7 +148,7 @@ undo_one (void **p, void *info) continue; } - if (unlink (move) < 0) + if (wrap_unlink (move) < 0) { error (0, errno, "Could not unlink %s", move); continue; diff --git a/trunk/src/verify.c b/trunk/src/verify.c index 15cbd0e..d9f4d7d 100644 --- a/trunk/src/verify.c +++ b/trunk/src/verify.c @@ -193,7 +193,7 @@ prelink_verify (const char *filename) size_t count; char *p, *q; - if (stat64 (filename, &st) < 0) + if (wrap_stat64 (filename, &st) < 0) error (EXIT_FAILURE, errno, "Couldn't stat %s", filename); dso = open_dso (filename); @@ -269,7 +269,7 @@ prelink_verify (const char *filename) break; } - fd = open (dso->temp_filename, O_RDONLY); + fd = wrap_open (dso->temp_filename, O_RDONLY); if (fd < 0) { error (0, errno, "Could not verify %s", filename); @@ -304,7 +304,7 @@ prelink_verify (const char *filename) if (prelink (dso2, ent)) goto failure_unlink; - unlink (ent->filename); + wrap_unlink (ent->filename); if (write_dso (dso2)) goto failure; @@ -412,6 +412,9 @@ prelink_verify (const char *filename) if (handle_verify (fdundone, filename)) goto failure; + fsync (fd); + fsync (fdorig); + fsync (fdundone); close (fd); close (fdorig); close (fdundone); @@ -421,11 +424,20 @@ failure_unlink: unlink (ent->filename); failure: if (fd != -1) - close (fd); + { + fsync (fd); + close (fd); + } if (fdorig != -1) - close (fdorig); + { + fsync (fdorig); + close (fdorig); + } if (fdundone != -1) - close (fdundone); + { + fsync (fdundone); + close (fdundone); + } if (dso) close_dso (dso); if (dso2) @@ -435,11 +447,12 @@ failure: not_prelinked: if (dso) close_dso (dso); - fd = open (filename, O_RDONLY); + fd = wrap_open (filename, O_RDONLY); if (fd < 0) error (EXIT_FAILURE, errno, "Couldn't open %s", filename); if (handle_verify (fd, filename)) return EXIT_FAILURE; + fsync (fd); close (fd); return 0; } diff --git a/trunk/src/wrap-file.c b/trunk/src/wrap-file.c new file mode 100644 index 0000000..f2cf305 --- /dev/null +++ b/trunk/src/wrap-file.c @@ -0,0 +1,399 @@ +/* Copyright (C) 2003 MontaVista Software, Inc. + Written by Daniel Jacobowitz <drow@mvista.com>, 2003. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include <config.h> +#include <assert.h> +#include <errno.h> +#include <error.h> +#include <fcntl.h> +#include <ftw.h> +#include <glob.h> +#include <stdarg.h> +#include <stddef.h> +#include <string.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/xattr.h> +#include <time.h> +#include <unistd.h> +#include <utime.h> +#include "prelink.h" + +#ifndef PATH_MAX +#define PATH_MAX 1024 +#endif + +#ifndef MAXSYMLINKS +#define MAXSYMLINKS 20 +#endif + +extern char *canon_filename (const char *name, int nested, struct stat64 *stp, + const char *chroot, int allow_last_link, + int allow_missing); + +const char *sysroot; + +char * +sysroot_file_name (const char *name, int allow_last_link) +{ + struct stat64 st; + char *ret; + + if (sysroot == NULL) + return (char *) name; + + ret = canon_filename (name, 0, &st, sysroot, allow_last_link, 1); + + if (ret == NULL) + /* That will have set errno. */ + return NULL; + + return ret; +} + +char * +unsysroot_file_name (const char *name) +{ + if (sysroot) + { + int sysroot_len = strlen (sysroot); + if (strncmp (name, sysroot, sysroot_len) == 0) + { + if (name[sysroot_len] == '/') + return strdup (name + sysroot_len); + else if (name[sysroot_len] == 0) + return strdup ("/"); + } + } + return (char *)name; +} + +static int +wrap_stat_body (const char *file, struct stat64 *buf, int lstat) +{ + char* file_copy; + char *tmpname; + int ret; + int len; + + tmpname = sysroot_file_name (file, lstat); + + if (tmpname == NULL) + return -1; + + file_copy = strdup (tmpname); + + if (tmpname != file) + free (tmpname); + + if (file_copy == NULL) + return -1; + + len = strlen (file_copy); + if (len && (file_copy[len - 1] == '/' || file_copy[len - 1] == '\\')) + file_copy[len - 1] = '\0'; + + ret = lstat ? lstat64 (file_copy, buf) : stat64 (file_copy, buf); + + free (file_copy); + + return ret; +} + +int +wrap_lstat64 (const char *file, struct stat64 *buf) +{ + return wrap_stat_body (file, buf, 1); +} + +int +wrap_stat64 (const char *file, struct stat64 *buf) +{ + return wrap_stat_body (file, buf, 0); +} + +int +wrap_rename (const char *old, const char *new) +{ + char *tmpold = sysroot_file_name (old, 1); + char *tmpnew; + int ret; + + if (tmpold == NULL) + return -1; + + tmpnew = sysroot_file_name (new, 1); + if (tmpnew == NULL) + return -1; + + ret = rename (tmpold, tmpnew); + + if (tmpold != old) + free (tmpold); + if (tmpnew != new) + free (tmpnew); + return ret; +} + +int +wrap_open (const char *name, int mode, ...) +{ + char *tmpname = sysroot_file_name (name, 0); + int ret; + + if (tmpname == NULL) + return -1; + + if (mode & O_CREAT) + { + va_list va; + int flags; + va_start (va, mode); + flags = va_arg (va, int); + va_end (va); + ret = open (tmpname, mode, flags); + } + else + ret = open (tmpname, mode); + + if (tmpname != name) + free (tmpname); + return ret; +} + +int +wrap_access (const char *name, int mode) +{ + char *tmpname = sysroot_file_name (name, 0); + int ret; + + if (tmpname == NULL) + return -1; + + ret = access (tmpname, mode); + + if (tmpname != name) + free (tmpname); + return ret; +} + +int +wrap_link (const char *old, const char *new) +{ + char *tmpold = sysroot_file_name (old, 1); + char *tmpnew; + int ret; + + if (tmpold == NULL) + return -1; + + tmpnew = sysroot_file_name (new, 1); + if (tmpnew == NULL) + return -1; + + ret = link (tmpold, tmpnew); + + if (tmpold != old) + free (tmpold); + if (tmpnew != new) + free (tmpnew); + return ret; +} + +/* Note that this isn't recursive safe, since nftw64 doesn't + pass an opaque object around to use. But that fits our needs + for now. */ + +static __nftw64_func_t nftw64_cur_func; + +static int +wrap_nftw64_func (const char *filename, const struct stat64 *status, + int flag, struct FTW *info) +{ + char *tmpname = unsysroot_file_name (filename); + int ret = nftw64_cur_func (tmpname, status, flag, info); + + if (tmpname != filename) + free (tmpname); + return ret; +} + +int +wrap_nftw64 (const char *dir, __nftw64_func_t func, + int descriptors, int flag) +{ + char *tmpdir = sysroot_file_name (dir, 1); + int ret; + + if (tmpdir == NULL) + return -1; + + nftw64_cur_func = func; + ret = nftw64 (tmpdir, wrap_nftw64_func, descriptors, flag); + + if (tmpdir != dir) + free (tmpdir); + return ret; +} + +int +wrap_utime (const char *file, struct utimbuf *file_times) +{ + char *tmpname = sysroot_file_name (file, 0); + int ret; + + if (tmpname == NULL) + return -1; + + ret = utime (tmpname, file_times); + + if (tmpname != file) + free (tmpname); + return ret; +} + +int +wrap_mkstemp (char *filename) +{ + char *tmpname = sysroot_file_name (filename, 1); + int ret; + + if (tmpname == NULL) + return -1; + + ret = mkstemp (tmpname); + + if (tmpname != filename) + { + strcpy (filename, tmpname + strlen (sysroot)); + free (tmpname); + } + return ret; +} + +int +wrap_unlink (const char *filename) +{ + char *tmpname = sysroot_file_name (filename, 1); + int ret; + + if (tmpname == NULL) + return -1; + + ret = unlink (tmpname); + + if (tmpname != filename) + free (tmpname); + return ret; +} + +int +wrap_readlink (const char *path, char *buf, int len) +{ + char *tmpname = sysroot_file_name (path, 1); + int ret; + + if (tmpname == NULL) + return -1; + + ret = readlink (tmpname, buf, len); + + if (tmpname != path) + free (tmpname); + return ret; +} + +int +wrap_setxattr (const char *path, const char *name, const void *value, + size_t size, int flags) +{ + char *tmpname = sysroot_file_name (path, 0); + int ret; + + if (tmpname == NULL) + return -1; + + ret = setxattr (tmpname, name, value, size, flags); + + if (tmpname != path) + free (tmpname); + return ret; +} + +ssize_t +wrap_getxattr (const char *path, const char *name, void *value, + size_t size) +{ + char *tmpname = sysroot_file_name (path, 0); + ssize_t ret; + + if (tmpname == NULL) + return -1; + + ret = getxattr (tmpname, name, value, size); + + if (tmpname != path) + free (tmpname); + return ret; +} + +ssize_t +wrap_listxattr (const char *path, char *list, size_t size) +{ + char *tmpname = sysroot_file_name (path, 0); + ssize_t ret; + + if (tmpname == NULL) + return -1; + + ret = listxattr (tmpname, list, size); + + if (tmpname != path) + free (tmpname); + return ret; +} + +int +wrap_glob (const char *pattern, int flags, + int (*errfunc) (const char *epath, int eerrno), + glob_t *pglob) +{ + char *tmp; + int ret; + + if (!sysroot) + return glob (pattern, flags, errfunc, pglob); + + asprintf (&tmp, "%s%s", sysroot, pattern); + + ret = glob(tmp, flags, errfunc, pglob); + if (!ret) + { + size_t n; + + for (n = 0; n < pglob->gl_pathc; ++n) + { + char *usname = unsysroot_file_name(pglob->gl_pathv[n]); + if (usname != pglob->gl_pathv[n]) + free(pglob->gl_pathv[n]); + pglob->gl_pathv[n] = usname; + } + } + + free(tmp); + return ret; +} diff --git a/trunk/testsuite/Makefile.in b/trunk/testsuite/Makefile.in deleted file mode 100644 index cf44b9a..0000000 --- a/trunk/testsuite/Makefile.in +++ /dev/null @@ -1,344 +0,0 @@ -# Makefile.in generated by automake 1.6.3 from Makefile.am. -# @configure_input@ - -# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 -# Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ -SHELL = @SHELL@ - -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -VPATH = @srcdir@ -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -bindir = @bindir@ -sbindir = @sbindir@ -libexecdir = @libexecdir@ -datadir = @datadir@ -sysconfdir = @sysconfdir@ -sharedstatedir = @sharedstatedir@ -localstatedir = @localstatedir@ -libdir = @libdir@ -infodir = @infodir@ -mandir = @mandir@ -includedir = @includedir@ -oldincludedir = /usr/include -pkgdatadir = $(datadir)/@PACKAGE@ -pkglibdir = $(libdir)/@PACKAGE@ -pkgincludedir = $(includedir)/@PACKAGE@ -top_builddir = .. - -ACLOCAL = @ACLOCAL@ -AUTOCONF = @AUTOCONF@ -AUTOMAKE = @AUTOMAKE@ -AUTOHEADER = @AUTOHEADER@ - -am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ -install_sh_DATA = $(install_sh) -c -m 644 -install_sh_PROGRAM = $(install_sh) -c -install_sh_SCRIPT = $(install_sh) -c -INSTALL_SCRIPT = @INSTALL_SCRIPT@ -INSTALL_HEADER = $(INSTALL_DATA) -transform = @program_transform_name@ -NORMAL_INSTALL = : -PRE_INSTALL = : -POST_INSTALL = : -NORMAL_UNINSTALL = : -PRE_UNINSTALL = : -POST_UNINSTALL = : -host_alias = @host_alias@ -host_triplet = @host@ - -EXEEXT = @EXEEXT@ -OBJEXT = @OBJEXT@ -PATH_SEPARATOR = @PATH_SEPARATOR@ -AMTAR = @AMTAR@ -AR = @AR@ -AS = @AS@ -AWK = @AWK@ -CC = @CC@ -CPP = @CPP@ -CXX = @CXX@ -CXXCPP = @CXXCPP@ -DEPDIR = @DEPDIR@ -DLLTOOL = @DLLTOOL@ -ECHO = @ECHO@ -EGREP = @EGREP@ -F77 = @F77@ -GCJ = @GCJ@ -GCJFLAGS = @GCJFLAGS@ -GELFINCLUDE = @GELFINCLUDE@ -INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ -LIBGELF = @LIBGELF@ -LIBTOOL = @LIBTOOL@ -LN_S = @LN_S@ -OBJDUMP = @OBJDUMP@ -PACKAGE = @PACKAGE@ -RANLIB = @RANLIB@ -RC = @RC@ -STRIP = @STRIP@ -VERSION = @VERSION@ -am__include = @am__include@ -am__quote = @am__quote@ -install_sh = @install_sh@ - -AUTOMAKE_OPTIONS = 1.4 gnu - -DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -Wall -AM_CFLAGS = -Wall - -TESTS = movelibs.sh \ - reloc1.sh reloc2.sh reloc3.sh reloc4.sh reloc5.sh reloc6.sh \ - reloc7.sh reloc8.sh reloc9.sh reloc10.sh reloc11.sh \ - shuffle1.sh shuffle2.sh shuffle3.sh shuffle4.sh shuffle5.sh \ - shuffle6.sh shuffle7.sh shuffle8.sh shuffle9.sh undo1.sh \ - layout1.sh layout2.sh \ - tls1.sh tls2.sh tls3.sh tls4.sh tls5.sh tls6.sh tls7.sh \ - cxx1.sh cxx2.sh cxx3.sh quick1.sh quick2.sh quick3.sh \ - cycle1.sh cycle2.sh \ - deps1.sh deps2.sh \ - ifunc1.sh ifunc2.sh ifunc3.sh \ - undosyslibs.sh - -TESTS_ENVIRONMENT = \ - PRELINK="../src/prelink -c ./prelink.conf -C ./prelink.cache --ld-library-path=. --dynamic-linker=`echo ./ld*.so.*[0-9]`" \ - CC="$(CC) $(LINKOPTS)" CCLINK="$(CC) -Wl,--dynamic-linker=`echo ./ld*.so.*[0-9]`" \ - CXX="$(CXX) $(LINKOPTS)" CXXLINK="$(CXX) -Wl,--dynamic-linker=`echo ./ld*.so.*[0-9]`" \ - $(SHELL) - - -extra_DIST = $(TESTS) functions.sh - -CLEANFILES = *.so *.so.* *.nop syslib.list syslnk.list prelink.cache prelink.conf \ - $(TESTS:%.sh=%) $(TESTS:%.sh=%.log) $(TESTS:%.sh=%.lds) \ - *.orig *.new core* *.\#prelink\#* tlstest *.first *.second - -subdir = testsuite -mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs -CONFIG_HEADER = $(top_builddir)/config.h -CONFIG_CLEAN_FILES = -DIST_SOURCES = -DIST_COMMON = Makefile.am Makefile.in -all: all-am - -.SUFFIXES: -$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) - cd $(top_srcdir) && \ - $(AUTOMAKE) --gnu testsuite/Makefile -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe) - -mostlyclean-libtool: - -rm -f *.lo - -clean-libtool: - -rm -rf .libs _libs - -distclean-libtool: - -rm -f libtool -uninstall-info-am: -tags: TAGS -TAGS: - - -check-TESTS: $(TESTS) - @failed=0; 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\ - if [ "`uname -m | sed s/i.86/i.86/`" = i.86 ]; then \ - optlist="--no-exec-shield --exec-shield"; \ - fi; \ - for opts2 in $$optlist; do \ - for opts in -v -vm -vR -vmR; do \ - PRELINK_OPTS="$$opts"; \ - [ $$opts2 != . ] && PRELINK_OPTS="$$opts $$opts2"; \ - echo "Checking with $$PRELINK_OPTS"; \ - PRELINK_OPTS="$$PRELINK_OPTS" $(MAKE) $(AM_MAKEFLAGS) check || exit; \ - $(MAKE) $(AM_MAKEFLAGS) clean || exit; \ - done; \ - done; \ - echo "Checking with -Wl,-z,nocombreloc"; \ - LINKOPTS=-Wl,-z,nocombreloc $(MAKE) $(AM_MAKEFLAGS) check || exit; \ - $(MAKE) $(AM_MAKEFLAGS) clean || exit - -check-harder: - @CHECK_ME_HARDER=1 $(MAKE) $(AM_MAKEFLAGS) check || exit -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/trunk/testsuite/cxx1.sh b/trunk/testsuite/cxx1.sh index 71ac75e..6ca9b3c 100755 --- a/trunk/testsuite/cxx1.sh +++ b/trunk/testsuite/cxx1.sh @@ -6,7 +6,7 @@ $CXX -shared -O2 -fpic -o cxx1lib1.so $srcdir/cxx1lib1.C $CXX -shared -O2 -fpic -o cxx1lib2.so $srcdir/cxx1lib2.C cxx1lib1.so BINS="cxx1" LIBS="cxx1lib1.so cxx1lib2.so" -$CXXLINK -o cxx1 $srcdir/cxx1.C -Wl,--rpath-link,. cxx1lib2.so +$CXXLINK -o cxx1 $srcdir/cxx1.C -Wl,--rpath-link,. cxx1lib2.so cxx1lib1.so savelibs echo $PRELINK -vvvv ${PRELINK_OPTS--vm} ./cxx1 > cxx1.log $PRELINK -vvvv ${PRELINK_OPTS--vm} ./cxx1 >> cxx1.log 2>&1 || exit 1 @@ -15,7 +15,9 @@ case "`uname -m`" in arm*) ;; # EABI says that vtables/typeinfo aren't vague linkage if there is a key method *) [ $( grep ^`echo $PRELINK | sed 's/ .*$/: /'` cxx1.log | grep 'Removing C++ conflict' | wc -l ) -ge 5 ] || exit 3;; esac -LD_LIBRARY_PATH=. ./cxx1 || exit 4 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./cxx1 || exit 4 +fi readelf -a ./cxx1 >> cxx1.log 2>&1 || exit 5 # So that it is not prelinked again chmod -x ./cxx1 diff --git a/trunk/testsuite/cxx2.sh b/trunk/testsuite/cxx2.sh index 164fe11..064fcb6 100755 --- a/trunk/testsuite/cxx2.sh +++ b/trunk/testsuite/cxx2.sh @@ -6,7 +6,7 @@ $CXX -shared -O2 -fpic -o cxx2lib1.so $srcdir/cxx1lib1.C $CXX -shared -O2 -fpic -o cxx2lib2.so $srcdir/cxx1lib2.C cxx2lib1.so BINS="cxx2" LIBS="cxx2lib1.so cxx2lib2.so" -$CXXLINK -o cxx2 $srcdir/cxx2.C -Wl,--rpath-link,. cxx2lib2.so +$CXXLINK -o cxx2 $srcdir/cxx2.C -Wl,--rpath-link,. cxx2lib2.so cxx2lib1.so savelibs echo $PRELINK -vvvv ${PRELINK_OPTS--vm} ./cxx2 > cxx2.log $PRELINK -vvvv ${PRELINK_OPTS--vm} ./cxx2 >> cxx2.log 2>&1 || exit 1 diff --git a/trunk/testsuite/cxx3.sh b/trunk/testsuite/cxx3.sh index bc798a6..418369a 100755 --- a/trunk/testsuite/cxx3.sh +++ b/trunk/testsuite/cxx3.sh @@ -6,7 +6,7 @@ $CXX -shared -O2 -fpic -o cxx3lib1.so $srcdir/cxx3lib1.C $CXX -shared -O2 -fpic -o cxx3lib2.so $srcdir/cxx3lib2.C cxx3lib1.so BINS="cxx3" LIBS="cxx3lib1.so cxx3lib2.so" -$CXXLINK -o cxx3 $srcdir/cxx3.C -Wl,--rpath-link,. cxx3lib2.so +$CXXLINK -o cxx3 $srcdir/cxx3.C -Wl,--rpath-link,. cxx3lib2.so cxx3lib1.so savelibs echo $PRELINK -vvvv ${PRELINK_OPTS--vm} ./cxx3 > cxx3.log $PRELINK -vvvv ${PRELINK_OPTS--vm} ./cxx3 >> cxx3.log 2>&1 || exit 1 diff --git a/trunk/testsuite/cycle1.sh b/trunk/testsuite/cycle1.sh index 3dc7f93..caf7864 100755 --- a/trunk/testsuite/cycle1.sh +++ b/trunk/testsuite/cycle1.sh @@ -18,6 +18,8 @@ grep -v 'has a dependency cycle' cycle1.log \ | grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` && exit 2 grep -q "^`echo $PRELINK | sed 's/ .*$/: .*has a dependency cycle/'`" \ cycle1.log || exit 3 -LD_LIBRARY_PATH=. ./cycle1 || exit 4 +if [ "x$CROSS" = "x" ] ; then + LD_LIBRARY_PATH=. ./cycle1 || exit 4 +fi # So that it is not prelinked again chmod -x ./cycle1 diff --git a/trunk/testsuite/cycle2.sh b/trunk/testsuite/cycle2.sh index 0b99a5d..a160a3a 100755 --- a/trunk/testsuite/cycle2.sh +++ b/trunk/testsuite/cycle2.sh @@ -21,6 +21,8 @@ grep -v 'has a dependency cycle' cycle2.log \ | grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` && exit 2 grep -q "^`echo $PRELINK | sed 's/ .*$/: .*has a dependency cycle/'`" \ cycle2.log || exit 3 -LD_LIBRARY_PATH=. ./cycle2 || exit 4 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./cycle2 || exit 4 +fi # So that it is not prelinked again chmod -x ./cycle2 diff --git a/trunk/testsuite/deps1.sh b/trunk/testsuite/deps1.sh index c345c07..2b5e0cf 100755 --- a/trunk/testsuite/deps1.sh +++ b/trunk/testsuite/deps1.sh @@ -25,7 +25,7 @@ for lib in `cat syslnk.list`; do cp -dp $lib deps1.tree/lib done $CCLINK -o deps1.tree/usr/bin/bin1 $srcdir/deps1.c \ - -Wl,-rpath,deps1.tree/usr/lib -L deps1.tree/usr/lib -l3 + -Wl,-rpath,deps1.tree/usr/lib -L deps1.tree/usr/lib -l3 -l1 -l2 cat > deps1.tree/etc/prelink.conf <<EOF deps1.tree/usr/bin deps1.tree/lib @@ -41,7 +41,9 @@ chmod 644 `ls $BINS | sed 's|$|.orig|'` echo $PRELINK ${PRELINK_OPTS--v} -avvvvv > deps1.log $PRELINK ${PRELINK_OPTS--v} -avvvvv > deps1.tree/etc/log1 2>&1 || exit 1 cat deps1.tree/etc/log1 >> deps1.log -LD_LIBRARY_PATH=deps1.tree/lib deps1.tree/usr/bin/bin1 || exit 2 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=deps1.tree/lib deps1.tree/usr/bin/bin1 || exit 2 +fi readelf -d deps1.tree/{usr,opt}/lib/lib1.so 2>&1 | grep CHECKSUM >> deps1.log || exit 3 readelf -A deps1.tree/usr/lib/lib1.so >> deps1.log 2>&1 || exit 4 readelf -A deps1.tree/opt/lib/lib1.so >> deps1.log 2>&1 || exit 5 diff --git a/trunk/testsuite/deps2.sh b/trunk/testsuite/deps2.sh index 636023c..603a27e 100755 --- a/trunk/testsuite/deps2.sh +++ b/trunk/testsuite/deps2.sh @@ -25,7 +25,7 @@ for lib in `cat syslnk.list`; do cp -dp $lib deps2.tree/lib done $CCLINK -o deps2.tree/usr/bin/bin1 $srcdir/deps1.c \ - -Wl,-rpath,deps2.tree/usr/lib -L deps2.tree/usr/lib -l3 + -Wl,-rpath,deps2.tree/usr/lib -L deps2.tree/usr/lib -l3 -l1 -l2 cat > deps2.tree/etc/prelink.conf <<EOF deps2.tree/usr/bin deps2.tree/lib @@ -41,7 +41,9 @@ chmod 644 `ls $BINS | sed 's|$|.orig|'` echo $PRELINK ${PRELINK_OPTS--v} -avvvvv > deps2.log $PRELINK ${PRELINK_OPTS--v} -avvvvv > deps2.tree/etc/log1 2>&1 || exit 1 cat deps2.tree/etc/log1 >> deps2.log -LD_LIBRARY_PATH=deps2.tree/lib deps2.tree/usr/bin/bin1 || exit 2 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=deps2.tree/lib deps2.tree/usr/bin/bin1 || exit 2 +fi readelf -d deps2.tree/{usr,opt}/lib/lib1.so 2>&1 | grep CHECKSUM >> deps2.log || exit 3 readelf -A deps2.tree/usr/lib/lib1.so >> deps2.log 2>&1 || exit 4 readelf -A deps2.tree/opt/lib/lib1.so >> deps2.log 2>&1 || exit 5 diff --git a/trunk/testsuite/functions.sh b/trunk/testsuite/functions.sh index 85bf875..c351fd1 100755 --- a/trunk/testsuite/functions.sh +++ b/trunk/testsuite/functions.sh @@ -4,6 +4,9 @@ CCLINK=${CCLINK:-${CC} -Wl,--dynamic-linker=`echo ./ld*.so.*[0-9]`} CXX="${CXX:-g++} ${LINKOPTS}" CXXLINK=${CXXLINK:-${CXX} -Wl,--dynamic-linker=`echo ./ld*.so.*[0-9]`} PRELINK=${PRELINK:-../src/prelink -c ./prelink.conf -C ./prelink.cache --ld-library-path=. --dynamic-linker=`echo ./ld*.so.*[0-9]`} +LDD=${LDD:-../src/prelink-rtld} +STRIP=${STRIP:-strip} +HOST_CC=${HOST_CC:-$CC} srcdir=${srcdir:-`dirname $0`} savelibs() { for i in $LIBS $BINS; do cp -p $i $i.orig; done diff --git a/trunk/testsuite/ifunc1.sh b/trunk/testsuite/ifunc1.sh index 7746234..9769694 100755 --- a/trunk/testsuite/ifunc1.sh +++ b/trunk/testsuite/ifunc1.sh @@ -9,7 +9,7 @@ $CC -shared -O2 -fpic -o ifunc1lib1.so $srcdir/ifunc1lib1.c $CC -shared -O2 -fpic -o ifunc1lib2.so $srcdir/ifunc1lib2.c ifunc1lib1.so BINS="ifunc1" LIBS="ifunc1lib1.so ifunc1lib2.so" -$CCLINK -o ifunc1 $srcdir/ifunc1.c -Wl,--rpath-link,. ifunc1lib2.so +$CCLINK -o ifunc1 $srcdir/ifunc1.c -Wl,--rpath-link,. ifunc1lib2.so ifunc1lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./ifunc1 >> ifunc1.log $PRELINK ${PRELINK_OPTS--vm} ./ifunc1 >> ifunc1.log 2>&1 || exit 1 diff --git a/trunk/testsuite/ifunc2.sh b/trunk/testsuite/ifunc2.sh index dea5bf4..3ae3d94 100755 --- a/trunk/testsuite/ifunc2.sh +++ b/trunk/testsuite/ifunc2.sh @@ -9,7 +9,7 @@ $CC -shared -O2 -fpic -o ifunc2lib1.so $srcdir/ifunc1lib1.c -DPICKNO=2 $CC -shared -O2 -fpic -o ifunc2lib2.so $srcdir/ifunc1lib2.c ifunc2lib1.so -DPICKNO=2 BINS="ifunc2" LIBS="ifunc2lib1.so ifunc2lib2.so" -$CCLINK -o ifunc2 $srcdir/ifunc1.c -Wl,--rpath-link,. ifunc2lib2.so -DPICKNO=2 +$CCLINK -o ifunc2 $srcdir/ifunc1.c -Wl,--rpath-link,. ifunc2lib2.so ifunc2lib1.so -DPICKNO=2 savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./ifunc2 >> ifunc2.log $PRELINK ${PRELINK_OPTS--vm} ./ifunc2 >> ifunc2.log 2>&1 || exit 1 diff --git a/trunk/testsuite/ifunc3.sh b/trunk/testsuite/ifunc3.sh index a54d4ec..44083f6 100755 --- a/trunk/testsuite/ifunc3.sh +++ b/trunk/testsuite/ifunc3.sh @@ -9,7 +9,7 @@ $CC -shared -O2 -fpic -o ifunc3lib1.so $srcdir/ifunc3lib1.c $CC -shared -O2 -fpic -o ifunc3lib2.so $srcdir/ifunc1lib2.c ifunc3lib1.so BINS="ifunc3" LIBS="ifunc3lib1.so ifunc3lib2.so" -$CCLINK -o ifunc3 $srcdir/ifunc3.c -Wl,--rpath-link,. ifunc3lib2.so +$CCLINK -o ifunc3 $srcdir/ifunc3.c -Wl,--rpath-link,. ifunc3lib2.so ifunc3lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./ifunc3 >> ifunc3.log $PRELINK ${PRELINK_OPTS--vm} ./ifunc3 >> ifunc3.log 2>&1 || exit 1 diff --git a/trunk/testsuite/layout1.sh b/trunk/testsuite/layout1.sh index ee751ab..e217dea 100755 --- a/trunk/testsuite/layout1.sh +++ b/trunk/testsuite/layout1.sh @@ -15,7 +15,9 @@ savelibs echo $PRELINK ${PRELINK_OPTS--vR} ./layout1 > layout1.log $PRELINK ${PRELINK_OPTS--vR} ./layout1 >> layout1.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` layout1.log && exit 2 -LD_LIBRARY_PATH=. ./layout1 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./layout1 || exit 3 +fi readelf -a ./layout1 >> layout1.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./layout1 diff --git a/trunk/testsuite/layout2.sh b/trunk/testsuite/layout2.sh index 7d8504b..2307a42 100755 --- a/trunk/testsuite/layout2.sh +++ b/trunk/testsuite/layout2.sh @@ -14,7 +14,9 @@ savelibs echo $PRELINK ${PRELINK_OPTS--vR} ./layout2 > layout2.log $PRELINK ${PRELINK_OPTS--vR} ./layout2 >> layout2.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` layout2.log && exit 2 -LD_LIBRARY_PATH=. ./layout2 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./layout2 || exit 3 +fi readelf -a ./layout2 >> layout2.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./layout2 diff --git a/trunk/testsuite/movelibs.sh b/trunk/testsuite/movelibs.sh index 4357ee8..a6e9a61 100755 --- a/trunk/testsuite/movelibs.sh +++ b/trunk/testsuite/movelibs.sh @@ -5,7 +5,7 @@ echo 'int main() { }' > movelibs.C $CXX -o movelibs movelibs.C > syslib.list > syslnk.list -for i in `LD_TRACE_PRELINKING=1 LD_WARN= LD_TRACE_LOADED_OBJECTS=1 ./movelibs \ +for i in `RTLD_TRACE_PRELINKING=1 RTLD_WARN= $LDD ./movelibs \ | awk '$1 !~ /^\.\/movelibs/ { print $3 } '`; do k=`basename $i` if [ -L $i ]; then diff --git a/trunk/testsuite/quick1.sh b/trunk/testsuite/quick1.sh index 8974146..3d57970 100755 --- a/trunk/testsuite/quick1.sh +++ b/trunk/testsuite/quick1.sh @@ -55,16 +55,16 @@ for lib in `cat syslnk.list`; do cp -dp $lib quick1.tree/lib done $CCLINK -o quick1.tree/usr/bin/bin1 $srcdir/reloc1.c \ - -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l2 + -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l2 -l1 echo 'int main () { extern int foo; return foo; }' \ | $CCLINK -o quick1.tree/usr/bin/bin2 -xc - -xnone \ -L quick1.tree/usr/lib -l4 $CCLINK -o quick1.tree/usr/bin/bin3 $srcdir/reloc1.c \ - -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l7 + -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l7 -l2 -l1 $CCLINK -o quick1.tree/usr/bin/bin4 $srcdir/quick1.c \ - -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l2 + -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l2 -l1 $CCLINK -o quick1.tree/usr/bin/bin5 $srcdir/quick1.c \ - -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l7 + -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l7 -l2 -l1 echo 'int main () { return 0; }' \ | $CCLINK -o quick1.tree/usr/bin/bin6 -xc - -xnone \ -Wl,--rpath-link,quick1.tree/usr/lib -L quick1.tree/usr/lib -l6 @@ -111,12 +111,24 @@ cat quick1.tree/etc/log3 >> quick1.log echo $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv >> quick1.log $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv > quick1.tree/etc/log4 2>&1 || exit 4 cat quick1.tree/etc/log4 >> quick1.log -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin1 || exit 5 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin2 || exit 6 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin3 || exit 7 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin4 || exit 8 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin5 || exit 9 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin6 || exit 10 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin1 || exit 5 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin2 || exit 6 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin3 || exit 7 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin4 || exit 8 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin5 || exit 9 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin6 || exit 10 +fi readelf -a quick1.tree/usr/bin/bin1 >> quick1.log 2>&1 || exit 11 readelf -a quick1.tree/usr/bin/bin3 >> quick1.log 2>&1 || exit 12 readelf -a quick1.tree/usr/bin/bin4 >> quick1.log 2>&1 || exit 13 @@ -140,12 +152,24 @@ done echo $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv >> quick1.log $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv > quick1.tree/etc/log5 2>&1 || exit 17 cat quick1.tree/etc/log5 >> quick1.log -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin1 || exit 18 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin2 || exit 19 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin3 || exit 20 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin4 || exit 21 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin5 || exit 22 -LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin6 || exit 23 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin1 || exit 18 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin2 || exit 19 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin3 || exit 20 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin4 || exit 21 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin5 || exit 22 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick1.tree/lib:quick1.tree/usr/lib quick1.tree/usr/bin/bin6 || exit 23 +fi readelf -a quick1.tree/usr/bin/bin1 >> quick1.log 2>&1 || exit 24 readelf -a quick1.tree/usr/bin/bin3 >> quick1.log 2>&1 || exit 25 readelf -a quick1.tree/usr/bin/bin4 >> quick1.log 2>&1 || exit 26 diff --git a/trunk/testsuite/quick2.sh b/trunk/testsuite/quick2.sh index b999786..c66702e 100755 --- a/trunk/testsuite/quick2.sh +++ b/trunk/testsuite/quick2.sh @@ -57,16 +57,16 @@ for lib in `cat syslnk.list`; do cp -dp $lib quick2.tree/lib done $CCLINK -o quick2.tree/usr/bin/bin1 $srcdir/reloc1.c \ - -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l2 + -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l2 -l1 echo 'int main () { extern int foo; return foo; }' \ | $CCLINK -o quick2.tree/usr/bin/bin2 -xc - -xnone \ -L quick2.tree/usr/lib -l4 $CCLINK -o quick2.tree/usr/bin/bin3 $srcdir/reloc1.c \ - -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l7 + -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l7 -l2 -l1 $CCLINK -o quick2.tree/usr/bin/bin4 $srcdir/quick1.c \ - -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l2 + -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l2 -l1 $CCLINK -o quick2.tree/usr/bin/bin5 $srcdir/quick1.c \ - -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l7 + -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l7 -l2 -l1 echo 'int main () { return 0; }' \ | $CCLINK -o quick2.tree/usr/bin/bin6 -xc - -xnone \ -Wl,--rpath-link,quick2.tree/usr/lib -L quick2.tree/usr/lib -l6 @@ -112,8 +112,18 @@ echo is present in prelink.conf. exit 0 EOF chmod 755 quick2.tree/usr/bin/bin11.script -echo 'int main () { return 0; }' \ +if [ `$CC -dumpmachine | sed "s/-.*-.*-.*//"` = "arm" ]; then + cat > quick2.tree/usr/bin/bin12 << EOF +#!/bin/sh +echo -pie -fPIE is not supported on our ARM architectures +echo this script will serve to disable that part of the test. +exit 0 +EOF +chmod 0755 quick2.tree/usr/bin/bin12 +else + echo 'int main () { return 0; }' \ | $CCLINK -o quick2.tree/usr/bin/bin12 -pie -fPIE -xc - -xnone +fi cat > quick2.tree/etc/prelink.conf <<EOF -b *.sh -c quick2.tree/etc/prelink.conf.d/*.conf @@ -177,12 +187,24 @@ grep -q 'Could not prelink .*bin5 because its dependency .*lib7.so could not be echo $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv >> quick2.log $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv > quick2.tree/etc/log4 2>&1 || exit 4 cat quick2.tree/etc/log4 >> quick2.log -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin1 || exit 5 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin2 || exit 6 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin3 || exit 7 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin4 || exit 8 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin5 || exit 9 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin6 || exit 10 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin1 || exit 5 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin2 || exit 6 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin3 || exit 7 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin4 || exit 8 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin5 || exit 9 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin6 || exit 10 +fi readelf -a quick2.tree/usr/bin/bin1 >> quick2.log 2>&1 || exit 11 readelf -a quick2.tree/usr/bin/bin3 >> quick2.log 2>&1 || exit 12 readelf -a quick2.tree/usr/bin/bin4 >> quick2.log 2>&1 || exit 13 @@ -205,12 +227,24 @@ done echo $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv >> quick2.log $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv > quick2.tree/etc/log5 2>&1 || exit 17 cat quick2.tree/etc/log5 >> quick2.log -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin1 || exit 18 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin2 || exit 19 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin3 || exit 20 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin4 || exit 21 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin5 || exit 22 -LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin6 || exit 23 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin1 || exit 18 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin2 || exit 19 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin3 || exit 20 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin4 || exit 21 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin5 || exit 22 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick2.tree/lib:quick2.tree/usr/lib quick2.tree/usr/bin/bin6 || exit 23 +fi readelf -a quick2.tree/usr/bin/bin1 >> quick2.log 2>&1 || exit 24 readelf -a quick2.tree/usr/bin/bin3 >> quick2.log 2>&1 || exit 25 readelf -a quick2.tree/usr/bin/bin4 >> quick2.log 2>&1 || exit 26 diff --git a/trunk/testsuite/quick3.sh b/trunk/testsuite/quick3.sh index 00d2aad..9601fe6 100755 --- a/trunk/testsuite/quick3.sh +++ b/trunk/testsuite/quick3.sh @@ -43,7 +43,7 @@ for lib in `cat syslnk.list`; do cp -dp $lib quick3.tree/lib done $CCLINK -o quick3.tree/usr/bin/bin1 $srcdir/reloc1.c \ - -Wl,--rpath-link,quick3.tree/usr/lib -L quick3.tree/usr/lib -l2 + -Wl,--rpath-link,quick3.tree/usr/lib -L quick3.tree/usr/lib -l2 -l1 cat > quick3.tree/etc/prelink.conf <<EOF quick3.tree/usr/bin quick3.tree/lib @@ -72,7 +72,9 @@ sleep 3s echo $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv >> quick3.log $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv > quick3.tree/etc/log3 2>&1 || exit 3 cat quick3.tree/etc/log3 >> quick3.log -LD_LIBRARY_PATH=quick3.tree/lib:quick3.tree/usr/lib quick3.tree/usr/bin/bin1 || exit 4 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=quick3.tree/lib:quick3.tree/usr/lib quick3.tree/usr/bin/bin1 || exit 4 +fi LIBS="quick3.tree/usr/lib/lib1.so quick3.tree/usr/lib/lib2.so.0" echo $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv >> quick3.log $PRELINK ${PRELINK_OPTS--vm} -aqvvvvv > quick3.tree/etc/log4 2>&1 || exit 5 diff --git a/trunk/testsuite/reloc1.sh b/trunk/testsuite/reloc1.sh index 124ab96..083fb15 100755 --- a/trunk/testsuite/reloc1.sh +++ b/trunk/testsuite/reloc1.sh @@ -6,12 +6,14 @@ $CC -shared -O2 -fpic -o reloc1lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o reloc1lib2.so $srcdir/reloc1lib2.c reloc1lib1.so BINS="reloc1" LIBS="reloc1lib1.so reloc1lib2.so" -$CCLINK -o reloc1 $srcdir/reloc1.c -Wl,--rpath-link,. reloc1lib2.so +$CCLINK -o reloc1 $srcdir/reloc1.c -Wl,--rpath-link,. reloc1lib2.so reloc1lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./reloc1 > reloc1.log $PRELINK ${PRELINK_OPTS--vm} ./reloc1 >> reloc1.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc1.log && exit 2 -LD_LIBRARY_PATH=. ./reloc1 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc1 || exit 3 +fi readelf -a ./reloc1 >> reloc1.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc1 diff --git a/trunk/testsuite/reloc10.sh b/trunk/testsuite/reloc10.sh index 94a4e69..1de6259 100755 --- a/trunk/testsuite/reloc10.sh +++ b/trunk/testsuite/reloc10.sh @@ -9,12 +9,14 @@ $CC -shared -O2 -nostdlib -fpic -o reloc10lib4.so $srcdir/reloc10lib4.c reloc10l $CC -shared -O2 -fpic -o reloc10lib5.so $srcdir/reloc10lib5.c reloc10lib2.so reloc10lib3.so reloc10lib4.so BINS="reloc10" LIBS="reloc10lib1.so reloc10lib2.so reloc10lib3.so reloc10lib4.so reloc10lib5.so" -$CCLINK -o reloc10 $srcdir/reloc10.c -Wl,--rpath-link,. reloc10lib5.so +$CCLINK -o reloc10 $srcdir/reloc10.c -Wl,--rpath-link,. reloc10lib5.so reloc10lib2.so reloc10lib3.so reloc10lib4.so reloc10lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./reloc10 > reloc10.log $PRELINK ${PRELINK_OPTS--vm} ./reloc10 >> reloc10.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc10.log && exit 2 -LD_LIBRARY_PATH=. ./reloc10 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc10 || exit 3 +fi readelf -a ./reloc10 >> reloc10.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc10 diff --git a/trunk/testsuite/reloc11.sh b/trunk/testsuite/reloc11.sh index 5d3f4f1..4f576c1 100755 --- a/trunk/testsuite/reloc11.sh +++ b/trunk/testsuite/reloc11.sh @@ -7,12 +7,14 @@ $CC -shared -O2 -nostdlib -fpic -o reloc11lib2.so $srcdir/reloc11lib2.c $CC -shared -O2 -nostdlib -fpic -o reloc11lib3.so $srcdir/reloc11lib3.c reloc11lib2.so BINS="reloc11" LIBS="reloc11lib1.so reloc11lib2.so reloc11lib3.so" -$CCLINK -o reloc11 $srcdir/reloc11.c -Wl,--rpath-link,. reloc11lib1.so reloc11lib3.so +$CCLINK -o reloc11 $srcdir/reloc11.c -Wl,--rpath-link,. reloc11lib1.so reloc11lib3.so reloc11lib2.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./reloc11 > reloc11.log $PRELINK ${PRELINK_OPTS--vm} ./reloc11 >> reloc11.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc11.log && exit 2 -LD_LIBRARY_PATH=. ./reloc11 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc11 || exit 3 +fi readelf -a ./reloc11 >> reloc11.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc11 diff --git a/trunk/testsuite/reloc2.sh b/trunk/testsuite/reloc2.sh index 42bb63f..2a75717 100755 --- a/trunk/testsuite/reloc2.sh +++ b/trunk/testsuite/reloc2.sh @@ -19,12 +19,14 @@ $CC -shared $SHFLAGS -O2 -o reloc2lib2.so $srcdir/reloc2lib2.c \ BINS="reloc2" LIBS="reloc2lib1.so reloc2lib2.so" $CCLINK -o reloc2 $srcdir/reloc2.c -Wl,--rpath-link,. reloc2lib2.so -strip -R .comment $BINS $LIBS +$STRIP -R .comment $BINS $LIBS savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./reloc2 > reloc2.log $PRELINK ${PRELINK_OPTS--vm} ./reloc2 >> reloc2.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc2.log && exit 2 -LD_LIBRARY_PATH=. ./reloc2 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc2 || exit 3 +fi readelf -a ./reloc2 >> reloc2.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc2 diff --git a/trunk/testsuite/reloc3.sh b/trunk/testsuite/reloc3.sh index 66e1bca..13a26d7 100755 --- a/trunk/testsuite/reloc3.sh +++ b/trunk/testsuite/reloc3.sh @@ -6,13 +6,15 @@ $CC -shared -O2 -fpic -o reloc3lib1.so $srcdir/reloc3lib1.c $CC -shared -O2 -fpic -o reloc3lib2.so $srcdir/reloc1lib2.c reloc3lib1.so BINS="reloc3" LIBS="reloc3lib1.so reloc3lib2.so" -$CCLINK -o reloc3 $srcdir/reloc3.c -Wl,--rpath-link,. reloc3lib2.so -strip -g $BINS $LIBS +$CCLINK -o reloc3 $srcdir/reloc3.c -Wl,--rpath-link,. reloc3lib2.so reloc3lib1.so +$STRIP -g $BINS $LIBS savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./reloc3 > reloc3.log $PRELINK ${PRELINK_OPTS--vm} ./reloc3 >> reloc3.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc3.log && exit 2 -LD_LIBRARY_PATH=. ./reloc3 >> reloc3.log || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc3 >> reloc3.log || exit 3 +fi readelf -a ./reloc3 >> reloc3.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc3 diff --git a/trunk/testsuite/reloc4.sh b/trunk/testsuite/reloc4.sh index 6fd733d..c20f8b5 100755 --- a/trunk/testsuite/reloc4.sh +++ b/trunk/testsuite/reloc4.sh @@ -4,10 +4,10 @@ [ -z "$CHECK_ME_HARDER" ] && exit 77 rm -f reloc4 reloc4lib*.so reloc4.log rm -f prelink.cache -$CC -O2 -o reloc4lib1.tmp $srcdir/reloc4lib1.c -$CC -O2 -o reloc4lib2.tmp $srcdir/reloc4lib2.c -$CC -O2 -o reloc4lib3.tmp $srcdir/reloc4lib3.c -$CC -O2 -o reloc4.tmp $srcdir/reloc4.c +$HOST_CC -O2 -o reloc4lib1.tmp $srcdir/reloc4lib1.c +$HOST_CC -O2 -o reloc4lib2.tmp $srcdir/reloc4lib2.c +$HOST_CC -O2 -o reloc4lib3.tmp $srcdir/reloc4lib3.c +$HOST_CC -O2 -o reloc4.tmp $srcdir/reloc4.c ./reloc4lib1.tmp > reloc4lib1.tmp.c ./reloc4lib2.tmp > reloc4lib2.tmp.c ./reloc4lib3.tmp > reloc4lib3.tmp.c @@ -27,7 +27,9 @@ rm -f reloc4*.tmp reloc4*.tmp.c echo $PRELINK ${PRELINK_OPTS--vm} ./reloc4 > reloc4.log $PRELINK ${PRELINK_OPTS--vm} ./reloc4 >> reloc4.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc4.log && exit 2 -LD_LIBRARY_PATH=. ./reloc4 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc4 || exit 3 +fi readelf -a ./reloc4 >> reloc4.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc4 diff --git a/trunk/testsuite/reloc5.sh b/trunk/testsuite/reloc5.sh index 16d2b7a..f543f69 100755 --- a/trunk/testsuite/reloc5.sh +++ b/trunk/testsuite/reloc5.sh @@ -4,7 +4,7 @@ [ -z "$CHECK_ME_HARDER" ] && exit 77 rm -f reloc5 reloc5.log rm -f prelink.cache -$CC -O2 -o reloc5.tmp $srcdir/reloc5.c +$HOST_CC -O2 -o reloc5.tmp $srcdir/reloc5.c ./reloc5.tmp > reloc5.tmp.c BINS="reloc5" $CCLINK -o reloc5 reloc5.tmp.c -Wl,--rpath-link,. reloc4lib3.so @@ -13,7 +13,9 @@ rm -f reloc5*.tmp reloc5*.tmp.c echo $PRELINK ${PRELINK_OPTS--vm} ./reloc5 > reloc5.log $PRELINK ${PRELINK_OPTS--vm} ./reloc5 >> reloc5.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc5.log && exit 2 -LD_LIBRARY_PATH=. ./reloc5 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc5 || exit 3 +fi readelf -a ./reloc5 >> reloc5.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc5 diff --git a/trunk/testsuite/reloc6.sh b/trunk/testsuite/reloc6.sh index 0ddd8d8..e07ae2d 100755 --- a/trunk/testsuite/reloc6.sh +++ b/trunk/testsuite/reloc6.sh @@ -4,20 +4,32 @@ rm -f reloc6 reloc6lib*.so reloc6.log rm -f prelink.cache $CC -shared -O2 -fpic -o reloc6lib1.so $srcdir/reloc3lib1.c $CC -shared -O2 -fpic -o reloc6lib2.so $srcdir/reloc1lib2.c reloc6lib1.so -$CCLINK -o reloc6 $srcdir/reloc3.c -Wl,--rpath-link,. reloc6lib2.so -$CCLINK -o reloc6.nop $srcdir/reloc3.c -Wl,--rpath-link,. reloc6lib2.so +$CCLINK -o reloc6 $srcdir/reloc3.c -Wl,--rpath-link,. reloc6lib2.so reloc6lib1.so +$CCLINK -o reloc6.nop $srcdir/reloc3.c -Wl,--rpath-link,. reloc6lib2.so reloc6lib1.so echo $PRELINK ${PRELINK_OPTS--vm} ./reloc6 > reloc6.log $PRELINK ${PRELINK_OPTS--vm} ./reloc6 >> reloc6.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc6.log && exit 2 -LD_LIBRARY_PATH=. ./reloc6 >> reloc6.log || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc6 >> reloc6.log || exit 3 +fi readelf -a ./reloc6 >> reloc6.log 2>&1 || exit 4 -LD_LIBRARY_PATH=. ./reloc6.nop >> reloc6.log || exit 5 -LD_LIBRARY_PATH=. LD_BIND_NOW=1 ./reloc6.nop >> reloc6.log || exit 6 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc6.nop >> reloc6.log || exit 5 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. LD_BIND_NOW=1 ./reloc6.nop >> reloc6.log || exit 6 +fi mv -f reloc6lib2.so reloc6lib2.so.p $CC -shared -O2 -fpic -o reloc6lib2.so $srcdir/reloc1lib2.c reloc6lib1.so -LD_LIBRARY_PATH=. ./reloc6 >> reloc6.log || exit 7 -LD_LIBRARY_PATH=. ./reloc6.nop >> reloc6.log || exit 8 -LD_LIBRARY_PATH=. LD_BIND_NOW=1 ./reloc6.nop >> reloc6.log || exit 9 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc6 >> reloc6.log || exit 7 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc6.nop >> reloc6.log || exit 8 +fi +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. LD_BIND_NOW=1 ./reloc6.nop >> reloc6.log || exit 9 +fi mv -f reloc6lib2.so reloc6lib2.so.nop mv -f reloc6lib2.so.p reloc6lib2.so # So that it is not prelinked again diff --git a/trunk/testsuite/reloc7.sh b/trunk/testsuite/reloc7.sh index 640ca78..39c9d5f 100755 --- a/trunk/testsuite/reloc7.sh +++ b/trunk/testsuite/reloc7.sh @@ -6,12 +6,14 @@ $CC -shared -O2 -Wl,-z,nocombreloc -fpic -o reloc7lib1.so $srcdir/reloc3lib1.c $CC -shared -O2 -Wl,-z,nocombreloc -fpic -o reloc7lib2.so $srcdir/reloc1lib2.c reloc7lib1.so BINS="reloc7" LIBS="reloc7lib1.so reloc7lib2.so" -$CCLINK -o reloc7 -Wl,-z,nocombreloc $srcdir/reloc7.c -Wl,--rpath-link,. reloc7lib2.so +$CCLINK -o reloc7 -Wl,-z,nocombreloc $srcdir/reloc7.c -Wl,--rpath-link,. reloc7lib2.so reloc7lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./reloc7 > reloc7.log $PRELINK ${PRELINK_OPTS--vm} ./reloc7 >> reloc7.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc7.log && exit 2 -LD_LIBRARY_PATH=. ./reloc7 >> reloc7.log || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc7 >> reloc7.log || exit 3 +fi readelf -a ./reloc7 >> reloc7.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc7 diff --git a/trunk/testsuite/reloc8.sh b/trunk/testsuite/reloc8.sh index 9820d12..eaed198 100755 --- a/trunk/testsuite/reloc8.sh +++ b/trunk/testsuite/reloc8.sh @@ -1,11 +1,13 @@ #!/bin/bash . `dirname $0`/functions.sh # Disable this test under SELinux -if test -x /usr/sbin/getenforce; then +if [ "x$CROSS" = "x" ]; then + if test -x /usr/sbin/getenforce; then case "`/usr/sbin/getenforce 2>/dev/null`" in Permissive|Disabled) ;; *) exit 77 ;; esac + fi fi rm -f reloc8 reloc8lib*.so reloc8.log rm -f prelink.cache @@ -17,12 +19,14 @@ $CC -shared -O2 -Wl,-z,nocombreloc -fpic -o reloc8lib1.so $srcdir/reloc3lib1.c $CC -shared -O2 -Wl,-z,nocombreloc -fpic -o reloc8lib2.so $srcdir/reloc1lib2.c reloc8lib1.so BINS="reloc8" LIBS="reloc8lib1.so reloc8lib2.so" -$CCLINK -o reloc8 $NOCOPYRELOC $srcdir/reloc7.c -Wl,--rpath-link,. reloc8lib2.so +$CCLINK -o reloc8 $NOCOPYRELOC $srcdir/reloc7.c -Wl,--rpath-link,. reloc8lib2.so reloc8lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./reloc8 > reloc8.log $PRELINK ${PRELINK_OPTS--vm} ./reloc8 >> reloc8.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc8.log && exit 2 -LD_LIBRARY_PATH=. ./reloc8 >> reloc8.log || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc8 >> reloc8.log || exit 3 +fi readelf -a ./reloc8 >> reloc8.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc8 diff --git a/trunk/testsuite/reloc9.sh b/trunk/testsuite/reloc9.sh index a835f89..f00b346 100755 --- a/trunk/testsuite/reloc9.sh +++ b/trunk/testsuite/reloc9.sh @@ -1,11 +1,13 @@ #!/bin/bash . `dirname $0`/functions.sh # Disable this test under SELinux -if test -x /usr/sbin/getenforce; then +if [ "x$CROSS" = "x" ]; then + if test -x /usr/sbin/getenforce; then case "`/usr/sbin/getenforce 2>/dev/null`" in Permissive|Disabled) ;; *) exit 77 ;; esac + fi fi rm -f reloc9 reloc9lib*.so reloc9.log rm -f prelink.cache @@ -17,12 +19,14 @@ $CC -shared -O2 -Wl,-z,nocombreloc -fpic -o reloc9lib1.so $srcdir/reloc3lib1.c $CC -shared -O2 -Wl,-z,nocombreloc -fpic -o reloc9lib2.so $srcdir/reloc1lib2.c reloc9lib1.so BINS="reloc9" LIBS="reloc9lib1.so reloc9lib2.so" -$CCLINK -o reloc9 -Wl,-z,nocombreloc $NOCOPYRELOC $srcdir/reloc7.c -Wl,--rpath-link,. reloc9lib2.so +$CCLINK -o reloc9 -Wl,-z,nocombreloc $NOCOPYRELOC $srcdir/reloc7.c -Wl,--rpath-link,. reloc9lib2.so reloc9lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./reloc9 > reloc9.log $PRELINK ${PRELINK_OPTS--vm} ./reloc9 >> reloc9.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` reloc9.log && exit 2 -LD_LIBRARY_PATH=. ./reloc9 >> reloc9.log || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./reloc9 >> reloc9.log || exit 3 +fi readelf -a ./reloc9 >> reloc9.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./reloc9 diff --git a/trunk/testsuite/shuffle1.sh b/trunk/testsuite/shuffle1.sh index 7798d9e..6771481 100755 --- a/trunk/testsuite/shuffle1.sh +++ b/trunk/testsuite/shuffle1.sh @@ -6,16 +6,18 @@ $CC -shared -O2 -fpic -o shuffle1lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o shuffle1lib2.so $srcdir/reloc1lib2.c shuffle1lib1.so BINS="shuffle1" LIBS="shuffle1lib1.so shuffle1lib2.so" -$CCLINK -o shuffle1 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle1lib2.so \ +$CCLINK -o shuffle1 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle1lib2.so shuffle1lib1.so \ -Wl,--verbose 2>&1 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ -e 's/0x08048000/0x08000000/;s/SIZEOF_HEADERS.*$/& . += 56;/' > shuffle1.lds -$CCLINK -o shuffle1 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle1lib2.so \ +$CCLINK -o shuffle1 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle1lib2.so shuffle1lib1.so \ -Wl,-T,shuffle1.lds savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle1 > shuffle1.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle1 >> shuffle1.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle1.log && exit 2 -LD_LIBRARY_PATH=. ./shuffle1 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle1 || exit 3 +fi readelf -a ./shuffle1 >> shuffle1.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./shuffle1 diff --git a/trunk/testsuite/shuffle2.sh b/trunk/testsuite/shuffle2.sh index fcfbfb1..88834b6 100755 --- a/trunk/testsuite/shuffle2.sh +++ b/trunk/testsuite/shuffle2.sh @@ -1,24 +1,28 @@ #!/bin/bash . `dirname $0`/functions.sh # Kernels before 2.4.10 are known not to work -case "`uname -r`" in +if [ "x$CROSS" = "x" ]; then + case "`uname -r`" in [01].*|2.[0-3].*|2.4.[0-9]|2.4.[0-9][^0-9]*) exit 77;; -esac + esac +fi rm -f shuffle2 shuffle2lib*.so shuffle2.log shuffle2.lds $CC -shared -O2 -fpic -o shuffle2lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o shuffle2lib2.so $srcdir/reloc1lib2.c shuffle2lib1.so BINS="shuffle2" LIBS="shuffle2lib1.so shuffle2lib2.so" -$CCLINK -o shuffle2 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle2lib2.so \ +$CCLINK -o shuffle2 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle2lib2.so shuffle2lib1.so \ -Wl,--verbose 2>&1 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ -e 's/0x08048000/0x08000000/;s/SIZEOF_HEADERS.*$/& . += 56;/' > shuffle2.lds -$CCLINK -o shuffle2 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle2lib2.so \ +$CCLINK -o shuffle2 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle2lib2.so shuffle2lib1.so \ -Wl,-T,shuffle2.lds savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle2 > shuffle2.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle2 >> shuffle2.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle2.log && exit 2 -LD_LIBRARY_PATH=. ./shuffle2 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle2 || exit 3 +fi readelf -a ./shuffle2 >> shuffle2.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./shuffle2 diff --git a/trunk/testsuite/shuffle3.sh b/trunk/testsuite/shuffle3.sh index d731102..2d3e43b 100755 --- a/trunk/testsuite/shuffle3.sh +++ b/trunk/testsuite/shuffle3.sh @@ -1,25 +1,29 @@ #!/bin/bash . `dirname $0`/functions.sh # Kernels before 2.4.10 are known not to work -case "`uname -r`" in +if [ "x$CROSS" = "x" ]; then + case "`uname -r`" in [01].*|2.[0-3].*|2.4.[0-9]|2.4.[0-9][^0-9]*) exit 77;; -esac + esac +fi rm -f shuffle3 shuffle3lib*.so shuffle3.log shuffle3.lds rm -f prelink.cache $CC -shared -O2 -fpic -o shuffle3lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o shuffle3lib2.so $srcdir/reloc1lib2.c shuffle3lib1.so BINS="shuffle3" LIBS="shuffle3lib1.so shuffle3lib2.so" -$CCLINK -o shuffle3 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle3lib2.so \ +$CCLINK -o shuffle3 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle3lib2.so shuffle3lib1.so \ -Wl,--verbose 2>&1 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ -e 's/0x08048000/0x08000000/' > shuffle3.lds -$CCLINK -o shuffle3 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle3lib2.so \ +$CCLINK -o shuffle3 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle3lib2.so shuffle3lib1.so \ -Wl,-T,shuffle3.lds savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle3 > shuffle3.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle3 >> shuffle3.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle3.log && exit 2 -LD_LIBRARY_PATH=. ./shuffle3 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle3 || exit 3 +fi readelf -a ./shuffle3 >> shuffle3.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./shuffle3 diff --git a/trunk/testsuite/shuffle4.sh b/trunk/testsuite/shuffle4.sh index 127e224..ab2eaa0 100755 --- a/trunk/testsuite/shuffle4.sh +++ b/trunk/testsuite/shuffle4.sh @@ -1,17 +1,21 @@ #!/bin/bash . `dirname $0`/functions.sh # Kernels before 2.4.10 are known not to work -case "`uname -r`" in +if [ "x$CROSS" = "x" ]; then + case "`uname -r`" in [01].*|2.[0-3].*|2.4.[0-9]|2.4.[0-9][^0-9]*) exit 77;; -esac + esac +fi rm -f shuffle4 shuffle4.log BINS="shuffle4" -$CCLINK -o shuffle4 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle3lib2.so +$CCLINK -o shuffle4 $srcdir/shuffle2.c -Wl,--rpath-link,. shuffle3lib2.so shuffle3lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle4 > shuffle4.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle4 >> shuffle4.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle4.log && exit 2 -LD_LIBRARY_PATH=. ./shuffle4 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle4 || exit 3 +fi readelf -a ./shuffle4 >> shuffle4.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./shuffle4 diff --git a/trunk/testsuite/shuffle5.sh b/trunk/testsuite/shuffle5.sh index ce09d46..b2b71a9 100755 --- a/trunk/testsuite/shuffle5.sh +++ b/trunk/testsuite/shuffle5.sh @@ -6,16 +6,18 @@ $CC -shared -O2 -fpic -o shuffle5lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o shuffle5lib2.so $srcdir/reloc1lib2.c shuffle5lib1.so BINS="shuffle5" LIBS="shuffle5lib1.so shuffle5lib2.so" -$CCLINK -o shuffle5 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle5lib2.so \ +$CCLINK -o shuffle5 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle5lib2.so shuffle5lib1.so \ -Wl,--verbose 2>&1 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ -e 's/0x08048000/0x08000000/;s/SIZEOF_HEADERS.*$/& . += 180;/' > shuffle5.lds -$CCLINK -o shuffle5 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle5lib2.so \ +$CCLINK -o shuffle5 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle5lib2.so shuffle5lib1.so \ -Wl,-T,shuffle5.lds savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle5 > shuffle5.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle5 >> shuffle5.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle5.log && exit 2 -LD_LIBRARY_PATH=. ./shuffle5 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle5 || exit 3 +fi readelf -a ./shuffle5 >> shuffle5.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./shuffle5 diff --git a/trunk/testsuite/shuffle6.sh b/trunk/testsuite/shuffle6.sh index 3eec2ff..b1020f5 100755 --- a/trunk/testsuite/shuffle6.sh +++ b/trunk/testsuite/shuffle6.sh @@ -6,16 +6,18 @@ $CC -shared -O2 -fpic -o shuffle6lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o shuffle6lib2.so $srcdir/reloc1lib2.c shuffle6lib1.so BINS="shuffle6" LIBS="shuffle6lib1.so shuffle6lib2.so" -$CCLINK -o shuffle6 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle6lib2.so \ +$CCLINK -o shuffle6 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle6lib2.so shuffle6lib1.so \ -Wl,--verbose 2>&1 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ -e 's/0x08048000/0x08000000/;s/SIZEOF_HEADERS.*$/& . += 56;/' > shuffle6.lds -$CCLINK -o shuffle6 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle6lib2.so \ +$CCLINK -o shuffle6 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle6lib2.so shuffle6lib1.so \ -Wl,-T,shuffle6.lds savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle6 > shuffle6.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle6 >> shuffle6.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle6.log && exit 2 -LD_LIBRARY_PATH=. ./shuffle6 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle6 || exit 3 +fi readelf -a ./shuffle6 >> shuffle6.log 2>&1 || exit 4 comparelibs >> shuffle6.log 2>&1 || exit 5 for l in shuffle6lib{1,2}.so{,.orig}; do mv -f $l $l.first; done @@ -26,7 +28,9 @@ for l in shuffle6lib{1,2}.so; do cp -p $l $l.orig; done echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle6 >> shuffle6.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle6 >> shuffle6.log 2>&1 || exit 6 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle6.log && exit 7 -LD_LIBRARY_PATH=. ./shuffle6 || exit 8 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle6 || exit 8 +fi readelf -a ./shuffle6 >> shuffle6.log 2>&1 || exit 9 # So that it is not prelinked again chmod -x ./shuffle6 diff --git a/trunk/testsuite/shuffle7.sh b/trunk/testsuite/shuffle7.sh index 23c3c60..3b6d2ad 100755 --- a/trunk/testsuite/shuffle7.sh +++ b/trunk/testsuite/shuffle7.sh @@ -6,17 +6,19 @@ $CC -shared -O2 -fpic -o shuffle7lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o shuffle7lib2.so $srcdir/reloc1lib2.c shuffle7lib1.so BINS="shuffle7" LIBS="shuffle7lib1.so shuffle7lib2.so" -$CCLINK -o shuffle7 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle7lib2.so \ +$CCLINK -o shuffle7 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle7lib2.so shuffle7lib1.so \ -Wl,--verbose 2>&1 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ -e '/\.hash/a\ . = . + 0x300;' > shuffle7.lds -$CCLINK -o shuffle7 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle7lib2.so \ +$CCLINK -o shuffle7 $srcdir/reloc1.c -Wl,--rpath-link,. shuffle7lib2.so shuffle7lib1.so \ -Wl,-T,shuffle7.lds savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle7 > shuffle7.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle7 >> shuffle7.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle7.log && exit 2 -LD_LIBRARY_PATH=. ./shuffle7 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle7 || exit 3 +fi readelf -a ./shuffle7 >> shuffle7.log 2>&1 || exit 4 comparelibs >> shuffle7.log 2>&1 || exit 5 for l in shuffle7lib{1,2}.so{,.orig}; do mv -f $l $l.first; done @@ -27,7 +29,9 @@ for l in shuffle7lib{1,2}.so; do cp -p $l $l.orig; done echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle7 >> shuffle7.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle7 >> shuffle7.log 2>&1 || exit 6 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle7.log && exit 7 -LD_LIBRARY_PATH=. ./shuffle7 || exit 8 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle7 || exit 8 +fi readelf -a ./shuffle7 >> shuffle7.log 2>&1 || exit 9 comparelibs >> shuffle7.log 2>&1 || exit 10 for l in shuffle7lib{1,2}.so{,.orig}; do mv -f $l $l.second; done @@ -36,7 +40,9 @@ for l in shuffle7lib{1,2}.so{,.orig}; do cp -p $l.first $l; done echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle7 >> shuffle7.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle7 >> shuffle7.log 2>&1 || exit 11 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle7.log && exit 12 -LD_LIBRARY_PATH=. ./shuffle7 || exit 13 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle7 || exit 13 +fi readelf -a ./shuffle7 >> shuffle7.log 2>&1 || exit 14 comparelibs >> shuffle7.log 2>&1 || exit 15 cmp -s shuffle7{,.first} || exit 16 diff --git a/trunk/testsuite/shuffle8.sh b/trunk/testsuite/shuffle8.sh index d0768a4..9878fb1 100755 --- a/trunk/testsuite/shuffle8.sh +++ b/trunk/testsuite/shuffle8.sh @@ -6,13 +6,15 @@ $CC -shared -O2 -fpic -o shuffle8lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o shuffle8lib2.so $srcdir/reloc1lib2.c shuffle8lib1.so BINS="shuffle8" LIBS="shuffle8lib1.so shuffle8lib2.so" -$CCLINK -o shuffle8 $srcdir/shuffle8.c -Wl,--rpath-link,. shuffle8lib2.so -strip -R .comment shuffle8 +$CCLINK -o shuffle8 $srcdir/shuffle8.c -Wl,--rpath-link,. shuffle8lib2.so shuffle8lib1.so +$STRIP -R .comment shuffle8 savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle8 > shuffle8.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle8 >> shuffle8.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` shuffle8.log && exit 2 -LD_LIBRARY_PATH=. ./shuffle8 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./shuffle8 || exit 3 +fi readelf -a ./shuffle8 >> shuffle8.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./shuffle8 diff --git a/trunk/testsuite/shuffle9.sh b/trunk/testsuite/shuffle9.sh index 5768890..ac4a6cd 100755 --- a/trunk/testsuite/shuffle9.sh +++ b/trunk/testsuite/shuffle9.sh @@ -6,7 +6,7 @@ case "`uname -r`" in esac rm -f shuffle9 shuffle9.log BINS="shuffle9" -$CCLINK -o shuffle9 $srcdir/shuffle9.c -Wl,--rpath-link,. shuffle3lib2.so +$CCLINK -o shuffle9 $srcdir/shuffle9.c -Wl,--rpath-link,. shuffle3lib2.so shuffle3lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./shuffle9 > shuffle9.log $PRELINK ${PRELINK_OPTS--vm} ./shuffle9 >> shuffle9.log 2>&1 || exit 1 diff --git a/trunk/testsuite/tls1.sh b/trunk/testsuite/tls1.sh index 0fb4986..0b8e953 100755 --- a/trunk/testsuite/tls1.sh +++ b/trunk/testsuite/tls1.sh @@ -2,21 +2,23 @@ . `dirname $0`/functions.sh # First check if __thread is supported by ld.so/gcc/ld/as: rm -f tlstest -echo '__thread int a; int main (void) { return a; }' \ - | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 -( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 +#echo '__thread int a; int main (void) { return a; }' \ +# | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 +#( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 rm -f tls1 tls1lib*.so tls1.log rm -f prelink.cache $CC -shared -O2 -fpic -o tls1lib1.so $srcdir/tls1lib1.c $CC -shared -O2 -fpic -o tls1lib2.so $srcdir/tls1lib2.c tls1lib1.so BINS="tls1" LIBS="tls1lib1.so tls1lib2.so" -$CCLINK -o tls1 $srcdir/tls1.c -Wl,--rpath-link,. tls1lib2.so +$CCLINK -o tls1 $srcdir/tls1.c -Wl,--rpath-link,. tls1lib2.so tls1lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./tls1 > tls1.log $PRELINK ${PRELINK_OPTS--vm} ./tls1 >> tls1.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` tls1.log && exit 2 -LD_LIBRARY_PATH=. ./tls1 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls1 || exit 3 +fi readelf -a ./tls1 >> tls1.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./tls1 diff --git a/trunk/testsuite/tls2.sh b/trunk/testsuite/tls2.sh index bf9e1eb..b85a072 100755 --- a/trunk/testsuite/tls2.sh +++ b/trunk/testsuite/tls2.sh @@ -2,22 +2,24 @@ . `dirname $0`/functions.sh # First check if __thread is supported by ld.so/gcc/ld/as: rm -f tlstest -echo '__thread int a; int main (void) { return a; }' \ - | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 -( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 +#echo '__thread int a; int main (void) { return a; }' \ +# | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 +#( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 rm -f tls2 tls2lib*.so tls2.log rm -f prelink.cache $CC -shared -O2 -fpic -o tls2lib1.so $srcdir/tls2lib1.c $CC -shared -O2 -fpic -o tls2lib2.so $srcdir/tls1lib2.c tls2lib1.so BINS="tls2" LIBS="tls2lib1.so tls2lib2.so" -$CCLINK -o tls2 $srcdir/tls2.c -Wl,--rpath-link,. tls2lib2.so +$CCLINK -o tls2 $srcdir/tls2.c -Wl,--rpath-link,. tls2lib2.so tls2lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./tls2 > tls2.log $PRELINK ${PRELINK_OPTS--vm} ./tls2 >> tls2.log 2>&1 || exit 1 grep -v 'has undefined non-weak symbols' tls2.log \ | grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` && exit 2 -LD_LIBRARY_PATH=. ./tls2 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls2 || exit 3 +fi readelf -a ./tls2 >> tls2.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./tls2 diff --git a/trunk/testsuite/tls3.sh b/trunk/testsuite/tls3.sh index 00dde00..70b4ec6 100755 --- a/trunk/testsuite/tls3.sh +++ b/trunk/testsuite/tls3.sh @@ -2,9 +2,9 @@ . `dirname $0`/functions.sh # First check if __thread is supported by ld.so/gcc/ld/as: rm -f tlstest -echo '__thread int a; int main (void) { return a; }' \ - | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 -( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 +#echo '__thread int a; int main (void) { return a; }' \ +# | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 +#( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 SHFLAGS= case "`uname -m`" in ia64|ppc*|x86_64|alpha*|s390*|mips*|arm*) SHFLAGS=-fpic;; # Does not support non-pic shared libs @@ -23,12 +23,14 @@ $CC -shared -O2 $SHFLAGS -o tls3lib2.so $srcdir/tls3lib2.c \ tls3lib1.so 2>/dev/null BINS="tls3" LIBS="tls3lib1.so tls3lib2.so" -$CCLINK -o tls3 $srcdir/tls1.c -Wl,--rpath-link,. tls3lib2.so +$CCLINK -o tls3 $srcdir/tls1.c -Wl,--rpath-link,. tls3lib2.so tls3lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./tls3 > tls3.log $PRELINK ${PRELINK_OPTS--vm} ./tls3 >> tls3.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` tls3.log && exit 2 -LD_LIBRARY_PATH=. ./tls3 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls3 || exit 3 +fi readelf -a ./tls3 >> tls3.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./tls3 diff --git a/trunk/testsuite/tls4.sh b/trunk/testsuite/tls4.sh index 556a6d5..d0ce8a7 100755 --- a/trunk/testsuite/tls4.sh +++ b/trunk/testsuite/tls4.sh @@ -2,9 +2,9 @@ . `dirname $0`/functions.sh # First check if __thread is supported by ld.so/gcc/ld/as: rm -f tlstest -echo '__thread int a; int main (void) { return a; }' \ - | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 -( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 +#echo '__thread int a; int main (void) { return a; }' \ +# | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 +#( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 rm -f tls4 tls4lib*.so tls4.log rm -f prelink.cache $CC -shared -O2 -fpic -o tls4lib1.so $srcdir/tls4lib1.c @@ -12,12 +12,14 @@ $CC -shared -O2 -fpic -o tls4lib2.so $srcdir/tls4lib2.c \ tls4lib1.so 2>/dev/null BINS="tls4" LIBS="tls4lib1.so tls4lib2.so" -$CCLINK -o tls4 $srcdir/tls4.c -Wl,--rpath-link,. tls4lib2.so +$CCLINK -o tls4 $srcdir/tls4.c -Wl,--rpath-link,. tls4lib2.so tls4lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./tls4 > tls4.log $PRELINK ${PRELINK_OPTS--vm} ./tls4 >> tls4.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` tls4.log && exit 2 -LD_LIBRARY_PATH=. ./tls4 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls4 || exit 3 +fi readelf -a ./tls4 >> tls4.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./tls4 diff --git a/trunk/testsuite/tls5.sh b/trunk/testsuite/tls5.sh index dbc0470..fe36dea 100755 --- a/trunk/testsuite/tls5.sh +++ b/trunk/testsuite/tls5.sh @@ -2,9 +2,9 @@ . `dirname $0`/functions.sh # First check if __thread is supported by ld.so/gcc/ld/as: rm -f tlstest -echo '__thread int a; int main (void) { return a; }' \ - | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 -( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 +#echo '__thread int a; int main (void) { return a; }' \ +# | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 +#( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 rm -f tls5 tls5lib*.so tls5.log rm -f prelink.cache echo 'int tls5;' | $CC -shared -O2 -fpic -xc - -o tls5lib3.so @@ -13,17 +13,21 @@ $CC -shared -O2 -fpic -o tls5lib2.so $srcdir/tls1lib2.c \ -Wl,--rpath-link,. tls5lib1.so BINS="tls5" LIBS="tls5lib1.so tls5lib2.so tls5lib3.so" -$CCLINK -o tls5 $srcdir/tls1.c -Wl,--rpath-link,. tls5lib2.so +$CCLINK -o tls5 $srcdir/tls1.c -Wl,--rpath-link,. tls5lib2.so tls5lib1.so tls5lib3.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./tls5 > tls5.log $PRELINK ${PRELINK_OPTS--vm} ./tls5 >> tls5.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` tls5.log && exit 2 -LD_LIBRARY_PATH=. ./tls5 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls5 || exit 3 +fi $PRELINK -u tls5lib3.so || exit 4 echo $PRELINK ${PRELINK_OPTS--vm} ./tls5 >> tls5.log $PRELINK ${PRELINK_OPTS--vm} ./tls5 >> tls5.log 2>&1 || exit 5 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` tls5.log && exit 6 -LD_LIBRARY_PATH=. ./tls5 || exit 7 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls5 || exit 7 +fi readelf -a ./tls5 >> tls5.log 2>&1 || exit 8 # So that it is not prelinked again chmod -x ./tls5 diff --git a/trunk/testsuite/tls6.sh b/trunk/testsuite/tls6.sh index 2d854d9..863a038 100755 --- a/trunk/testsuite/tls6.sh +++ b/trunk/testsuite/tls6.sh @@ -2,9 +2,9 @@ . `dirname $0`/functions.sh # First check if __thread is supported by ld.so/gcc/ld/as: rm -f tlstest -echo '__thread int a; int main (void) { return a; }' \ - | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 -( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 +#echo '__thread int a; int main (void) { return a; }' \ +# | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 +#( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 rm -f tls6 tls6lib*.so tls6.log rm -f prelink.cache echo 'int tls6;' | $CC -shared -O2 -fpic -xc - -o tls6lib3.so @@ -13,19 +13,23 @@ $CC -shared -O2 -fpic -o tls6lib2.so $srcdir/tls1lib2.c \ -Wl,--rpath-link,. tls6lib1.so BINS="tls6" LIBS="tls6lib1.so tls6lib2.so tls6lib3.so" -$CCLINK -o tls6 $srcdir/tls2.c -Wl,--rpath-link,. tls6lib2.so +$CCLINK -o tls6 $srcdir/tls2.c -Wl,--rpath-link,. tls6lib2.so tls6lib1.so tls6lib3.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./tls6 > tls6.log $PRELINK ${PRELINK_OPTS--vm} ./tls6 >> tls6.log 2>&1 || exit 1 grep -v 'has undefined non-weak symbols' tls6.log \ | grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` && exit 2 -LD_LIBRARY_PATH=. ./tls6 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls6 || exit 3 +fi $PRELINK -u tls6lib3.so || exit 4 echo $PRELINK ${PRELINK_OPTS--vm} ./tls6 >> tls6.log $PRELINK ${PRELINK_OPTS--vm} ./tls6 >> tls6.log 2>&1 || exit 5 grep -v 'has undefined non-weak symbols' tls6.log \ | grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` && exit 6 -LD_LIBRARY_PATH=. ./tls6 || exit 7 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls6 || exit 7 +fi readelf -a ./tls6 >> tls6.log 2>&1 || exit 8 # So that it is not prelinked again chmod -x ./tls6 diff --git a/trunk/testsuite/tls7.sh b/trunk/testsuite/tls7.sh index ab93719..216a379 100755 --- a/trunk/testsuite/tls7.sh +++ b/trunk/testsuite/tls7.sh @@ -2,9 +2,9 @@ . `dirname $0`/functions.sh # First check if __thread is supported by ld.so/gcc/ld/as: rm -f tlstest -echo '__thread int a; int main (void) { return a; }' \ - | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 -( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 +#echo '__thread int a; int main (void) { return a; }' \ +# | $CC -xc - -o tlstest > /dev/null 2>&1 || exit 77 +#( ./tlstest || { rm -f tlstest; exit 77; } ) 2>/dev/null || exit 77 rm -f tls7 tls7.log rm -f prelink.cache BINS="tls7" @@ -14,7 +14,9 @@ savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./tls7 > tls7.log $PRELINK ${PRELINK_OPTS--vm} ./tls7 >> tls7.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` tls7.log && exit 2 -LD_LIBRARY_PATH=. ./tls7 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./tls7 || exit 3 +fi readelf -a ./tls7 >> tls7.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./tls7 diff --git a/trunk/testsuite/undo1.sh b/trunk/testsuite/undo1.sh index d8436a5..a34ce1c 100755 --- a/trunk/testsuite/undo1.sh +++ b/trunk/testsuite/undo1.sh @@ -6,12 +6,14 @@ $CC -shared -O2 -fpic -o undo1lib1.so $srcdir/reloc1lib1.c $CC -shared -O2 -fpic -o undo1lib2.so $srcdir/reloc1lib2.c undo1lib1.so BINS="undo1" LIBS="undo1lib1.so undo1lib2.so" -$CCLINK -o undo1 $srcdir/reloc1.c -Wl,--rpath-link,. undo1lib2.so +$CCLINK -o undo1 $srcdir/reloc1.c -Wl,--rpath-link,. undo1lib2.so undo1lib1.so savelibs echo $PRELINK ${PRELINK_OPTS--vm} ./undo1 > undo1.log $PRELINK ${PRELINK_OPTS--vm} ./undo1 >> undo1.log 2>&1 || exit 1 grep -q ^`echo $PRELINK | sed 's/ .*$/: /'` undo1.log && exit 2 -LD_LIBRARY_PATH=. ./undo1 || exit 3 +if [ "x$CROSS" = "x" ]; then + LD_LIBRARY_PATH=. ./undo1 || exit 3 +fi readelf -a ./undo1 >> undo1.log 2>&1 || exit 4 # So that it is not prelinked again chmod -x ./undo1 |