diff options
Diffstat (limited to 'recipes-microblaze/binutils/files')
6 files changed, 505 insertions, 0 deletions
diff --git a/recipes-microblaze/binutils/files/Add-mlittle-endian-and-mbig-endian.patch b/recipes-microblaze/binutils/files/Add-mlittle-endian-and-mbig-endian.patch new file mode 100644 index 00000000..984fda3f --- /dev/null +++ b/recipes-microblaze/binutils/files/Add-mlittle-endian-and-mbig-endian.patch @@ -0,0 +1,64 @@ +From: nagaraju <nmekala@xilix.com> +Date: Tue, 19 Mar 2013 17:18:23 +0530 +Subject: Add mlittle-endian and mbig-endian flags + +Added support in gas for mlittle-endian and mbig-endian flags +as options. + +Updated show usage for MicroBlaze specific assembler options +to include new entries. + +Signed-off-by:nagaraju <nmekala@xilix.com> +Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com> +Upstream-Status: Pending +--- + gas/config/tc-microblaze.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c +index 872737b..b241743 100644 +--- a/gas/config/tc-microblaze.c ++++ b/gas/config/tc-microblaze.c +@@ -37,6 +37,8 @@ + + #define OPTION_EB (OPTION_MD_BASE + 0) + #define OPTION_EL (OPTION_MD_BASE + 1) ++#define OPTION_LITTLE (OPTION_MD_BASE + 2) ++#define OPTION_BIG (OPTION_MD_BASE + 3) + + void microblaze_generate_symbol (char *sym); + static bfd_boolean check_spl_reg (unsigned *); +@@ -1824,6 +1826,8 @@ struct option md_longopts[] = + { + {"EB", no_argument, NULL, OPTION_EB}, + {"EL", no_argument, NULL, OPTION_EL}, ++ {"mlittle-endian", no_argument, NULL, OPTION_LITTLE}, ++ {"mbig-endian", no_argument, NULL, OPTION_BIG}, + { NULL, no_argument, NULL, 0} + }; + +@@ -2457,9 +2461,11 @@ md_parse_option (int c, char * arg ATTRIBUTE_UNUSED) + switch (c) + { + case OPTION_EB: ++ case OPTION_BIG: + target_big_endian = 1; + break; + case OPTION_EL: ++ case OPTION_LITTLE: + target_big_endian = 0; + break; + default: +@@ -2474,6 +2480,9 @@ md_show_usage (FILE * stream ATTRIBUTE_UNUSED) + /* fprintf(stream, _("\ + MicroBlaze options:\n\ + -noSmall Data in the comm and data sections do not go into the small data section\n")); */ ++ fprintf (stream, _(" MicroBlaze specific assembler options:\n")); ++ fprintf (stream, " -%-23s%s\n", "mbig-endian", N_("assemble for a big endian cpu")); ++ fprintf (stream, " -%-23s%s\n", "mlittle-endian", N_("assemble for a little endian cpu")); + } + + +-- +1.7.9.5 + diff --git a/recipes-microblaze/binutils/files/Add-wdc.ext.clear-and-wdc.ext.flush.patch b/recipes-microblaze/binutils/files/Add-wdc.ext.clear-and-wdc.ext.flush.patch new file mode 100644 index 00000000..cb58f603 --- /dev/null +++ b/recipes-microblaze/binutils/files/Add-wdc.ext.clear-and-wdc.ext.flush.patch @@ -0,0 +1,67 @@ +From: David Holsgrove <david.holsgrove@xilinx.com> +Date: Wed, 8 May 2013 11:03:36 +1000 +Subject: Add wdc.ext.clear and wdc.ext.flush insns + +Added two new instructions, wdc.ext.clear and wdc.ext.flush, +to enable MicroBlaze to flush an external cache, which is +used with the new coherency support for multiprocessing. + +Signed-off-by:nagaraju <nmekala@xilix.com> +Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com> +Upstream-Status: Pending +--- + opcodes/microblaze-opc.h | 5 ++++- + opcodes/microblaze-opcm.h | 6 +++--- + 2 files changed, 7 insertions(+), 4 deletions(-) + +diff --git a/opcodes/microblaze-opc.h b/opcodes/microblaze-opc.h +index e9da12a..dd56ab5 100644 +--- a/opcodes/microblaze-opc.h ++++ b/opcodes/microblaze-opc.h +@@ -91,6 +91,7 @@ + #define OPCODE_MASK_H3 0xFC000600 /* High 6 bits and bits 21, 22. */ + #define OPCODE_MASK_H32 0xFC00FC00 /* High 6 bits and bit 16-21. */ + #define OPCODE_MASK_H34B 0xFC0000FF /* High 6 bits and low 8 bits. */ ++#define OPCODE_MASK_H35B 0xFC0004FF /* High 6 bits and low 9 bits. */ + #define OPCODE_MASK_H34C 0xFC0007E0 /* High 6 bits and bits 21-26. */ + + /* New Mask for msrset, msrclr insns. */ +@@ -101,7 +102,7 @@ + #define DELAY_SLOT 1 + #define NO_DELAY_SLOT 0 + +-#define MAX_OPCODES 289 ++#define MAX_OPCODES 291 + + struct op_code_struct + { +@@ -174,7 +175,9 @@ struct op_code_struct + {"wic", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000068, OPCODE_MASK_H34B, wic, special_inst }, + {"wdc", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000064, OPCODE_MASK_H34B, wdc, special_inst }, + {"wdc.clear", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000066, OPCODE_MASK_H34B, wdcclear, special_inst }, ++ {"wdc.ext.clear", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000466, OPCODE_MASK_H35B, wdcextclear, special_inst }, + {"wdc.flush", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000074, OPCODE_MASK_H34B, wdcflush, special_inst }, ++ {"wdc.ext.flush", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000476, OPCODE_MASK_H35B, wdcextflush, special_inst }, + {"mts", INST_TYPE_SPECIAL_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MTS, 0x9400C000, OPCODE_MASK_H13S, mts, special_inst }, + {"mfs", INST_TYPE_RD_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MFS, 0x94008000, OPCODE_MASK_H23S, mfs, special_inst }, + {"br", INST_TYPE_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98000000, OPCODE_MASK_H124, br, branch_inst }, +diff --git a/opcodes/microblaze-opcm.h b/opcodes/microblaze-opcm.h +index 124cdec..8e531f9 100644 +--- a/opcodes/microblaze-opcm.h ++++ b/opcodes/microblaze-opcm.h +@@ -31,9 +31,9 @@ enum microblaze_instr + idiv, idivu, bsll, bsra, bsrl, get, put, nget, nput, cget, cput, + ncget, ncput, muli, bslli, bsrai, bsrli, mului, or, and, xor, + andn, pcmpbf, pcmpbc, pcmpeq, pcmpne, sra, src, srl, sext8, sext16, +- wic, wdc, wdcclear, wdcflush, mts, mfs, mbar, br, brd, +- brld, bra, brad, brald, microblaze_brk, beq, beqd, bne, bned, blt, +- bltd, ble, bled, bgt, bgtd, bge, bged, ori, andi, xori, andni, ++ wic, wdc, wdcclear, wdcextclear, wdcflush, wdcextflush, mts, mfs, mbar, ++ br, brd, brld, bra, brad, brald, microblaze_brk, beq, beqd, bne, bned, ++ blt, bltd, ble, bled, bgt, bgtd, bge, bged, ori, andi, xori, andni, + imm, rtsd, rtid, rtbd, rted, bri, brid, brlid, brai, braid, bralid, + brki, beqi, beqid, bnei, bneid, blti, bltid, blei, bleid, bgti, + bgtid, bgei, bgeid, lbu, lbur, lhu, lhur, lw, lwr, lwx, sb, sbr, sh, +-- +1.7.9.5 + diff --git a/recipes-microblaze/binutils/files/Disable-the-warning-message-for-eh_frame_hdr.patch b/recipes-microblaze/binutils/files/Disable-the-warning-message-for-eh_frame_hdr.patch new file mode 100644 index 00000000..f6616a1b --- /dev/null +++ b/recipes-microblaze/binutils/files/Disable-the-warning-message-for-eh_frame_hdr.patch @@ -0,0 +1,33 @@ +From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com> +Date: Fri, 22 Jun 2012 01:20:20 +0200 +Subject: Disable the warning message for eh_frame_hdr + +Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> +Upstream-Status: Pending +--- + bfd/elf-eh-frame.c | 9 ++++++--- + 1 file changed, 6 insertions(+), 3 deletions(-) + +diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c +index a75d806..de69cef 100644 +--- a/bfd/elf-eh-frame.c ++++ b/bfd/elf-eh-frame.c +@@ -913,9 +913,12 @@ _bfd_elf_parse_eh_frame (bfd *abfd, struct bfd_link_info *info, + goto success; + + free_no_table: +- (*info->callbacks->einfo) +- (_("%P: error in %B(%A); no .eh_frame_hdr table will be created.\n"), +- abfd, sec); ++ /* FIXME: Remove the microblaze specifics when relaxing gets fixed. */ ++ if (bfd_get_arch(abfd) != bfd_arch_microblaze) { ++ (*info->callbacks->einfo) ++ (_("%P: error in %B(%A); no .eh_frame_hdr table will be created.\n"), ++ abfd, sec); ++ } + hdr_info->table = FALSE; + if (sec_info) + free (sec_info); +-- +1.7.9.5 + diff --git a/recipes-microblaze/binutils/files/Fix-relaxation-of-assembler-resolved-reference.patch b/recipes-microblaze/binutils/files/Fix-relaxation-of-assembler-resolved-reference.patch new file mode 100644 index 00000000..fb3ff355 --- /dev/null +++ b/recipes-microblaze/binutils/files/Fix-relaxation-of-assembler-resolved-reference.patch @@ -0,0 +1,75 @@ +From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com> +Date: Tue, 14 Feb 2012 01:00:22 +0100 +Subject: Fix relaxation of assembler resolved references + +Upstream-Status: Pending +--- + bfd/elf32-microblaze.c | 39 +++++++++++++++++++++++++++++++++++++++ + gas/config/tc-microblaze.c | 1 + + 2 files changed, 40 insertions(+) + +diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c +index 502e3c9..9de2479 100644 +--- a/bfd/elf32-microblaze.c ++++ b/bfd/elf32-microblaze.c +@@ -1906,6 +1906,45 @@ microblaze_elf_relax_section (bfd *abfd, + irelscanend = irelocs + o->reloc_count; + for (irelscan = irelocs; irelscan < irelscanend; irelscan++) + { ++ if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_NONE) ++ { ++ unsigned int val; ++ ++ isym = isymbuf + ELF32_R_SYM (irelscan->r_info); ++ ++ /* This was a PC-relative instruction that was completely resolved. */ ++ if (ocontents == NULL) ++ { ++ if (elf_section_data (o)->this_hdr.contents != NULL) ++ ocontents = elf_section_data (o)->this_hdr.contents; ++ else ++ { ++ /* We always cache the section contents. ++ Perhaps, if info->keep_memory is FALSE, we ++ should free them, if we are permitted to. */ ++ ++ if (o->rawsize == 0) ++ o->rawsize = o->size; ++ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); ++ if (ocontents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, o, ocontents, ++ (file_ptr) 0, ++ o->rawsize)) ++ goto error_return; ++ elf_section_data (o)->this_hdr.contents = ocontents; ++ } ++ } ++ ++ irelscan->r_addend -= calc_fixup (irelscan->r_addend ++ + isym->st_value, sec); ++ val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); ++ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, ++ irelscan->r_addend); ++ } ++ if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_NONE) { ++ fprintf(stderr, "Unhandled NONE 64\n"); ++ } + if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32) + { + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); +diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c +index b241743..7dd5895 100644 +--- a/gas/config/tc-microblaze.c ++++ b/gas/config/tc-microblaze.c +@@ -2169,6 +2169,7 @@ md_apply_fix (fixS * fixP, + else + fixP->fx_r_type = BFD_RELOC_NONE; + fixP->fx_addsy = section_symbol (absolute_section); ++ fixP->fx_done = 0; + } + return; + } +-- +1.7.9.5 + diff --git a/recipes-microblaze/binutils/files/Fixup-debug_loc-sections-after-linker-relaxati.patch b/recipes-microblaze/binutils/files/Fixup-debug_loc-sections-after-linker-relaxati.patch new file mode 100644 index 00000000..0623e945 --- /dev/null +++ b/recipes-microblaze/binutils/files/Fixup-debug_loc-sections-after-linker-relaxati.patch @@ -0,0 +1,228 @@ +From: David Holsgrove <david.holsgrove@xilinx.com> +Date: Mon, 4 Feb 2013 12:15:22 +1000 +Subject: Fixup debug_loc sections after linker relaxation + +Adds a new reloctype R_MICROBLAZE_32_NONE, used for passing +reloc info from the assembler to the linker when the linker +manages to fully resolve a local symbol reference. + +This is a workaround for design flaws in the assembler to +linker interface with regards to linker relaxation. + +Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> +Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com> +Upstream-Status: Pending +--- + bfd/bfd-in2.h | 5 +++++ + bfd/elf32-microblaze.c | 45 +++++++++++++++++++++++++++++++++++++-------- + bfd/libbfd.h | 1 + + bfd/reloc.c | 6 ++++++ + binutils/readelf.c | 4 ++++ + gas/config/tc-microblaze.c | 3 +++ + include/elf/microblaze.h | 1 + + 7 files changed, 57 insertions(+), 8 deletions(-) + +diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h +index 8b7f2ee..de38907 100644 +--- a/bfd/bfd-in2.h ++++ b/bfd/bfd-in2.h +@@ -5449,6 +5449,11 @@ value relative to the read-write small data area anchor */ + expressions of the form "Symbol Op Symbol" */ + BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM, + ++/* This is a 32 bit reloc that stores the 32 bit pc relative ++value in two words (with an imm instruction). No relocation is ++done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_32_NONE, ++ + /* This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). No relocation is + done here - only used for relaxing */ +diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c +index f90df47..d440084 100644 +--- a/bfd/elf32-microblaze.c ++++ b/bfd/elf32-microblaze.c +@@ -177,6 +177,20 @@ static reloc_howto_type microblaze_elf_howto_raw[] = + FALSE), /* PC relative offset? */ + + /* This reloc does nothing. Used for relaxation. */ ++ HOWTO (R_MICROBLAZE_32_NONE, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 32, /* Bitsize. */ ++ TRUE, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_bitfield, /* Complain on overflow. */ ++ NULL, /* Special Function. */ ++ "R_MICROBLAZE_32_NONE",/* Name. */ ++ FALSE, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0, /* Dest Mask. */ ++ FALSE), /* PC relative offset? */ ++ + HOWTO (R_MICROBLAZE_64_NONE, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ +@@ -532,7 +546,10 @@ microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, + case BFD_RELOC_NONE: + microblaze_reloc = R_MICROBLAZE_NONE; + break; +- case BFD_RELOC_MICROBLAZE_64_NONE: ++ case BFD_RELOC_MICROBLAZE_32_NONE: ++ microblaze_reloc = R_MICROBLAZE_32_NONE; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_NONE: + microblaze_reloc = R_MICROBLAZE_64_NONE; + break; + case BFD_RELOC_32: +@@ -1913,14 +1930,22 @@ microblaze_elf_relax_section (bfd *abfd, + } + break; + case R_MICROBLAZE_NONE: ++ case R_MICROBLAZE_32_NONE: + { + /* This was a PC-relative instruction that was + completely resolved. */ + int sfix, efix; ++ unsigned int val; + bfd_vma target_address; + target_address = irel->r_addend + irel->r_offset; + sfix = calc_fixup (irel->r_offset, 0, sec); + efix = calc_fixup (target_address, 0, sec); ++ ++ /* Validate the in-band val. */ ++ val = bfd_get_32 (abfd, contents + irel->r_offset); ++ if (val != irel->r_addend && ELF32_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { ++ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, (unsigned long)irel->r_addend); ++ } + irel->r_addend -= (efix - sfix); + /* Should use HOWTO. */ + microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset, +@@ -1968,12 +1993,16 @@ microblaze_elf_relax_section (bfd *abfd, + irelscanend = irelocs + o->reloc_count; + for (irelscan = irelocs; irelscan < irelscanend; irelscan++) + { +- if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_NONE) ++ if (1 && ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_NONE) + { + unsigned int val; + + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + ++ /* hax: We only do the following fixup for debug location lists. */ ++ if (strcmp(".debug_loc", o->name)) ++ continue; ++ + /* This was a PC-relative instruction that was completely resolved. */ + if (ocontents == NULL) + { +@@ -1998,15 +2027,15 @@ microblaze_elf_relax_section (bfd *abfd, + } + } + +- irelscan->r_addend -= calc_fixup (irelscan->r_addend +- + isym->st_value, sec); + val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); ++ if (val != irelscan->r_addend) { ++ fprintf(stderr, "%d: CORRUPT relax reloc! %x %lx\n", __LINE__, val, (unsigned long)irelscan->r_addend); ++ } ++ ++ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); + microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, + irelscan->r_addend); + } +- if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_NONE) { +- fprintf(stderr, "Unhandled NONE 64\n"); +- } + if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32) + { + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); +@@ -2066,7 +2095,7 @@ microblaze_elf_relax_section (bfd *abfd, + elf_section_data (o)->this_hdr.contents = ocontents; + } + } +- irelscan->r_addend -= calc_fixup (irel->r_addend ++ irelscan->r_addend -= calc_fixup (irelscan->r_addend + + isym->st_value, + 0, + sec); +diff --git a/bfd/libbfd.h b/bfd/libbfd.h +index 09f307f..840c662 100644 +--- a/bfd/libbfd.h ++++ b/bfd/libbfd.h +@@ -2644,6 +2644,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", + "BFD_RELOC_MICROBLAZE_32_ROSDA", + "BFD_RELOC_MICROBLAZE_32_RWSDA", + "BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM", ++ "BFD_RELOC_MICROBLAZE_32_NONE", + "BFD_RELOC_MICROBLAZE_64_NONE", + "BFD_RELOC_MICROBLAZE_64_GOTPC", + "BFD_RELOC_MICROBLAZE_64_GOT", +diff --git a/bfd/reloc.c b/bfd/reloc.c +index 7f46c58..5bcd52d 100644 +--- a/bfd/reloc.c ++++ b/bfd/reloc.c +@@ -6396,6 +6396,12 @@ ENUMDOC + This is a 32 bit reloc for the microblaze to handle + expressions of the form "Symbol Op Symbol" + ENUM ++ BFD_RELOC_MICROBLAZE_32_NONE ++ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imm instruction). No relocation is ++ done here - only used for relaxing ++ENUM + BFD_RELOC_MICROBLAZE_64_NONE + ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative +diff --git a/binutils/readelf.c b/binutils/readelf.c +index af6463e..343eb61 100644 +--- a/binutils/readelf.c ++++ b/binutils/readelf.c +@@ -10821,6 +10821,10 @@ is_none_reloc (unsigned int reloc_type) + || reloc_type == 19 /* R_XTENSA_DIFF32. */); + case EM_METAG: + return reloc_type == 3; /* R_METAG_NONE. */ ++ case EM_MICROBLAZE: ++ return reloc_type == 30 /* R_MICROBLAZE_32_NONE. */ ++ || reloc_type == 0 /* R_MICROBLAZE_NONE. */ ++ || reloc_type == 9; /* R_MICROBLAZE_64_NONE. */ + } + return FALSE; + } +diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c +index 12ad616..46d61db 100644 +--- a/gas/config/tc-microblaze.c ++++ b/gas/config/tc-microblaze.c +@@ -2167,6 +2167,8 @@ md_apply_fix (fixS * fixP, + moves code around due to relaxing. */ + if (fixP->fx_r_type == BFD_RELOC_64_PCREL) + fixP->fx_r_type = BFD_RELOC_MICROBLAZE_64_NONE; ++ else if (fixP->fx_r_type == BFD_RELOC_32) ++ fixP->fx_r_type = BFD_RELOC_MICROBLAZE_32_NONE; + else + fixP->fx_r_type = BFD_RELOC_NONE; + fixP->fx_addsy = section_symbol (absolute_section); +@@ -2388,6 +2390,7 @@ tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp) + switch (fixp->fx_r_type) + { + case BFD_RELOC_NONE: ++ case BFD_RELOC_MICROBLAZE_32_NONE: + case BFD_RELOC_MICROBLAZE_64_NONE: + case BFD_RELOC_32: + case BFD_RELOC_MICROBLAZE_32_LO: +diff --git a/include/elf/microblaze.h b/include/elf/microblaze.h +index effca20..f8420dc 100644 +--- a/include/elf/microblaze.h ++++ b/include/elf/microblaze.h +@@ -58,6 +58,7 @@ START_RELOC_NUMBERS (elf_microblaze_reloc_type) + RELOC_NUMBER (R_MICROBLAZE_TLSDTPREL64, 27) /* TLS Offset Within TLS Block */ + RELOC_NUMBER (R_MICROBLAZE_TLSGOTTPREL32, 28) /* TLS Offset From Thread Pointer */ + RELOC_NUMBER (R_MICROBLAZE_TLSTPREL32, 29) /* TLS Offset From Thread Pointer */ ++ RELOC_NUMBER (R_MICROBLAZE_32_NONE, 30) + + END_RELOC_NUMBERS (R_MICROBLAZE_max) + +-- +1.9.0 + diff --git a/recipes-microblaze/binutils/files/upstream-change-to-garbage-collection-s.patch b/recipes-microblaze/binutils/files/upstream-change-to-garbage-collection-s.patch new file mode 100644 index 00000000..aa571d45 --- /dev/null +++ b/recipes-microblaze/binutils/files/upstream-change-to-garbage-collection-s.patch @@ -0,0 +1,38 @@ +From: David Holsgrove <david.holsgrove@xilinx.com> +Date: Wed, 27 Feb 2013 13:56:11 +1000 +Subject: upstream change to garbage collection sweep causes mb regression + +Upstream change for PR13177 now clears the def_regular during gc_sweep of a +section. (All other archs in binutils/bfd/elf32-*.c received an update +to a warning about unresolvable relocations - this warning is not present +in binutils/bfd/elf32-microblaze.c, but this warning check would not +prevent the error being seen) + +The visible issue with this change is when running a c++ application +in Petalinux which links libstdc++.so for exception handling it segfaults +on execution. + +This does not occur if static linking libstdc++.a, so its during the +relocations for a shared lib with garbage collection this occurs + +Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com> +Upstream-Status: Pending +--- + bfd/elflink.c | 1 - + 1 file changed, 1 deletion(-) + +diff --git a/bfd/elflink.c b/bfd/elflink.c +index 99b7ca1..415d714 100644 +--- a/bfd/elflink.c ++++ b/bfd/elflink.c +@@ -11909,7 +11909,6 @@ elf_gc_sweep_symbol (struct elf_link_hash_entry *h, void *data) + + inf = (struct elf_gc_sweep_symbol_info *) data; + (*inf->hide_symbol) (inf->info, h, TRUE); +- h->def_regular = 0; + h->ref_regular = 0; + h->ref_regular_nonweak = 0; + } +-- +1.8.5.1 + |