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authorKhem Raj <raj.khem@gmail.com>2017-04-25 16:01:11 -0700
committerRoss Burton <ross.burton@intel.com>2017-04-26 10:31:27 +0100
commitb0cdb6ffa9dd814865a0510115935ba2ced5827f (patch)
treeb235c56fcf9dda9e5ff391cbe7462987fe77fca5
parentfc0e3eae0f0669e6780ed69680cd065a77baca24 (diff)
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elfutils: Fix build with gcc7
Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--recipes-devtools/elfutils/elfutils-0.148/0001-Fix-fallthrough-warnings.patch237
-rw-r--r--recipes-devtools/elfutils/elfutils-0.148/0002-Fix-printf-overflow-warnings.patch57
-rw-r--r--recipes-devtools/elfutils/elfutils_0.148.bb2
3 files changed, 296 insertions, 0 deletions
diff --git a/recipes-devtools/elfutils/elfutils-0.148/0001-Fix-fallthrough-warnings.patch b/recipes-devtools/elfutils/elfutils-0.148/0001-Fix-fallthrough-warnings.patch
new file mode 100644
index 0000000..810c4a7
--- /dev/null
+++ b/recipes-devtools/elfutils/elfutils-0.148/0001-Fix-fallthrough-warnings.patch
@@ -0,0 +1,237 @@
+From d70d92889c4a8b0781207343a73b1dc4eccdffd3 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 25 Apr 2017 15:50:55 -0700
+Subject: [PATCH 1/2] Fix fallthrough warnings
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ backends/i386_regs.c | 1 +
+ backends/i386_retval.c | 1 +
+ backends/linux-core-note.c | 4 ++--
+ backends/mips_retval.c | 2 +-
+ backends/parisc_retval.c | 2 +-
+ backends/ppc_regs.c | 2 +-
+ backends/x86_64_regs.c | 1 +
+ libcpu/i386_disasm.c | 2 +-
+ libdw/cfi.c | 3 +++
+ libdw/encoded-value.h | 1 +
+ libdwfl/dwfl_report_elf.c | 1 +
+ src/addr2line.c | 1 +
+ src/elflint.c | 4 +++-
+ src/objdump.c | 2 +-
+ 14 files changed, 19 insertions(+), 8 deletions(-)
+
+diff --git a/backends/i386_regs.c b/backends/i386_regs.c
+index 5cf0d81..11b0bcb 100644
+--- a/backends/i386_regs.c
++++ b/backends/i386_regs.c
+@@ -89,6 +89,7 @@ i386_register_info (Ebl *ebl __attribute__ ((unused)),
+ case 5:
+ case 8:
+ *type = DW_ATE_address;
++ /* fallthru */
+ case 0 ... 3:
+ case 6 ... 7:
+ name[0] = 'e';
+diff --git a/backends/i386_retval.c b/backends/i386_retval.c
+index c3bab10..ffbf901 100644
+--- a/backends/i386_retval.c
++++ b/backends/i386_retval.c
+@@ -137,6 +137,7 @@ i386_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
+
+ /* Else fall through. */
+ }
++ /* fallthru */
+
+ case DW_TAG_structure_type:
+ case DW_TAG_class_type:
+diff --git a/backends/linux-core-note.c b/backends/linux-core-note.c
+index 9d01219..a6cd5ab 100644
+--- a/backends/linux-core-note.c
++++ b/backends/linux-core-note.c
+@@ -194,8 +194,8 @@ EBLHOOK(core_note) (nhdr, name, regs_offset, nregloc, reglocs, nitems, items)
+ case sizeof "CORE":
+ if (memcmp (name, "CORE", nhdr->n_namesz) == 0)
+ break;
+- /* Buggy old Linux kernels didn't terminate "LINUX".
+- Fall through. */
++ /* Buggy old Linux kernels didn't terminate "LINUX". */
++ /* fallthru */
+
+ case sizeof "LINUX":
+ if (memcmp (name, "LINUX", nhdr->n_namesz) == 0)
+diff --git a/backends/mips_retval.c b/backends/mips_retval.c
+index 33f12a7..b25b1b7 100644
+--- a/backends/mips_retval.c
++++ b/backends/mips_retval.c
+@@ -300,7 +300,7 @@ mips_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
+
+ /* Else fall through. Shouldn't happen though (at least with gcc) */
+ }
+-
++ /* fallthrough */
+ case DW_TAG_structure_type:
+ case DW_TAG_class_type:
+ case DW_TAG_union_type:
+diff --git a/backends/parisc_retval.c b/backends/parisc_retval.c
+index 592a702..7aa5b17 100644
+--- a/backends/parisc_retval.c
++++ b/backends/parisc_retval.c
+@@ -167,7 +167,7 @@ parisc_return_value_location_ (Dwarf_Die *functypedie, const Dwarf_Op **locp, in
+
+ /* Else fall through. */
+ }
+-
++ /* fallthru */
+ case DW_TAG_structure_type:
+ case DW_TAG_class_type:
+ case DW_TAG_union_type:
+diff --git a/backends/ppc_regs.c b/backends/ppc_regs.c
+index 637c25d..8277c54 100644
+--- a/backends/ppc_regs.c
++++ b/backends/ppc_regs.c
+@@ -137,7 +137,7 @@ ppc_register_info (Ebl *ebl __attribute__ ((unused)),
+ case 100:
+ if (*bits == 32)
+ return stpcpy (name, "mq") + 1 - name;
+-
++ /* fallthru */
+ case 102 ... 107:
+ name[0] = 's';
+ name[1] = 'p';
+diff --git a/backends/x86_64_regs.c b/backends/x86_64_regs.c
+index 8eb0d33..e941cf3 100644
+--- a/backends/x86_64_regs.c
++++ b/backends/x86_64_regs.c
+@@ -84,6 +84,7 @@ x86_64_register_info (Ebl *ebl __attribute__ ((unused)),
+
+ case 6 ... 7:
+ *type = DW_ATE_address;
++ /* fallthru */
+ case 0 ... 5:
+ name[0] = 'r';
+ name[1] = baseregs[regno][0];
+diff --git a/libcpu/i386_disasm.c b/libcpu/i386_disasm.c
+index 0eabe0a..84b85d0 100644
+--- a/libcpu/i386_disasm.c
++++ b/libcpu/i386_disasm.c
+@@ -788,7 +788,7 @@ i386_disasm (const uint8_t **startp, const uint8_t *end, GElf_Addr addr,
+ ++param_start;
+ break;
+ }
+-
++ /* fallthru */
+ default:
+ assert (! "INVALID not handled");
+ abort ();
+diff --git a/libdw/cfi.c b/libdw/cfi.c
+index aeb48e6..38b3050 100644
+--- a/libdw/cfi.c
++++ b/libdw/cfi.c
+@@ -143,6 +143,7 @@ execute_cfi (Dwarf_CFI *cache,
+
+ case DW_CFA_advance_loc1:
+ operand = *program++;
++ /* fallthru */
+ case DW_CFA_advance_loc + 0 ... DW_CFA_advance_loc + CFI_PRIMARY_MAX:
+ advance_loc:
+ loc += operand * cie->code_alignment_factor;
+@@ -227,6 +228,7 @@ execute_cfi (Dwarf_CFI *cache,
+
+ case DW_CFA_offset_extended:
+ get_uleb128 (operand, program);
++ cfi_assert (program < end);
+ case DW_CFA_offset + 0 ... DW_CFA_offset + CFI_PRIMARY_MAX:
+ get_uleb128 (offset, program);
+ offset *= cie->data_alignment_factor;
+@@ -290,6 +292,7 @@ execute_cfi (Dwarf_CFI *cache,
+
+ case DW_CFA_restore_extended:
+ get_uleb128 (operand, program);
++ /* fallthru */
+ case DW_CFA_restore + 0 ... DW_CFA_restore + CFI_PRIMARY_MAX:
+
+ if (unlikely (abi_cfi) && likely (opcode == DW_CFA_restore))
+diff --git a/libdw/encoded-value.h b/libdw/encoded-value.h
+index e118a1c..17190c8 100644
+--- a/libdw/encoded-value.h
++++ b/libdw/encoded-value.h
+@@ -82,6 +82,7 @@ encoded_value_size (const Elf_Data *data, const unsigned char e_ident[],
+ if (*end++ & 0x80u)
+ return end - p;
+ }
++ return 0;
+
+ default:
+ abort ();
+diff --git a/libdwfl/dwfl_report_elf.c b/libdwfl/dwfl_report_elf.c
+index 062a647..8a30816 100644
+--- a/libdwfl/dwfl_report_elf.c
++++ b/libdwfl/dwfl_report_elf.c
+@@ -185,6 +185,7 @@ __libdwfl_report_elf (Dwfl *dwfl, const char *name, const char *file_name,
+ case ET_CORE:
+ /* An assigned base address is meaningless for these. */
+ base = 0;
++ /* fallthru */
+
+ case ET_DYN:
+ default:;
+diff --git a/src/addr2line.c b/src/addr2line.c
+index 48f017b..4a2cc5b 100644
+--- a/src/addr2line.c
++++ b/src/addr2line.c
+@@ -457,6 +457,7 @@ handle_address (const char *string, Dwfl *dwfl)
+ case 1:
+ addr = 0;
+ j = i;
++ /* fallthru */
+ case 2:
+ if (string[j] != '\0')
+ break;
+diff --git a/src/elflint.c b/src/elflint.c
+index a25af97..3d75391 100644
+--- a/src/elflint.c
++++ b/src/elflint.c
+@@ -218,6 +218,7 @@ parse_opt (int key, char *arg __attribute__ ((unused)),
+
+ case 'd':
+ is_debuginfo = true;
++ break;
+
+ case ARGP_gnuld:
+ gnuld = true;
+@@ -3735,6 +3736,7 @@ section [%2zu] '%s': merge flag set but entry size is zero\n"),
+ case SHT_NOBITS:
+ if (is_debuginfo)
+ break;
++ /* fallthru */
+ default:
+ ERROR (gettext ("\
+ section [%2zu] '%s' has unexpected type %d for an executable section\n"),
+@@ -4036,7 +4038,7 @@ section [%2d] '%s': unknown core file note type %" PRIu32
+ if (nhdr.n_namesz == sizeof "Linux"
+ && !memcmp (data->d_buf + name_offset, "Linux", sizeof "Linux"))
+ break;
+-
++ /* fallthru */
+ default:
+ if (shndx == 0)
+ ERROR (gettext ("\
+diff --git a/src/objdump.c b/src/objdump.c
+index 1234c79..8c39a5b 100644
+--- a/src/objdump.c
++++ b/src/objdump.c
+@@ -238,7 +238,7 @@ parse_opt (int key, char *arg,
+ program_invocation_short_name);
+ exit (EXIT_FAILURE);
+ }
+-
++ /* fallthru */
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+--
+2.12.2
+
diff --git a/recipes-devtools/elfutils/elfutils-0.148/0002-Fix-printf-overflow-warnings.patch b/recipes-devtools/elfutils/elfutils-0.148/0002-Fix-printf-overflow-warnings.patch
new file mode 100644
index 0000000..bc89f04
--- /dev/null
+++ b/recipes-devtools/elfutils/elfutils-0.148/0002-Fix-printf-overflow-warnings.patch
@@ -0,0 +1,57 @@
+From 471f7e4e72feea16f06d806c47b05719c3d77d8f Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 25 Apr 2017 15:57:33 -0700
+Subject: [PATCH 2/2] Fix printf overflow warnings
+
+Fixes
+
+../../elfutils-0.148/src/ar.c:865:49: error: '__builtin___snprintf_chk' output truncated before the last format character [-Werror=format-truncation=]
+ snprintf (tmpbuf, sizeof (tmpbuf), "/%-*ld",
+ ^
+In file included from /mnt/a/build/tmp-glibc/work/cortexa7hf-neon-vfpv4-oe-linux-gnueabi/elfutils/0.148-r11/recipe-sysroot/usr/include/stdio.h:889:0,
+ from /mnt/a/build/tmp-glibc/work/cortexa7hf-neon-vfpv4-oe-linux-gnueabi/elfutils/0.148-r11/recipe-sysroot/usr/include/argp.h:23,
+ from ../../elfutils-0.148/src/ar.c:30:
+/mnt/a/build/tmp-glibc/work/cortexa7hf-neon-vfpv4-oe-linux-gnueabi/elfutils/0.148-r11/recipe-sysroot/usr/include/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output 18 b
+ytes into a destination of size 17
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/ar.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/ar.c b/src/ar.c
+index 8e2abbe..0bf5051 100644
+--- a/src/ar.c
++++ b/src/ar.c
+@@ -853,7 +853,7 @@ write_member (struct armem *memb, off_t *startp, off_t *lenp, Elf *elf,
+ off_t end_off, int newfd)
+ {
+ struct ar_hdr arhdr;
+- char tmpbuf[sizeof (arhdr.ar_name) + 1];
++ char tmpbuf[sizeof (arhdr.ar_name) + 2];
+
+ bool changed_header = memb->long_name_off != -1;
+ if (changed_header)
+@@ -1454,7 +1454,7 @@ do_oper_insert (int oper, const char *arfname, char **argv, int argc,
+
+ /* Create the header. */
+ struct ar_hdr arhdr;
+- char tmpbuf[sizeof (arhdr.ar_name) + 1];
++ char tmpbuf[sizeof (arhdr.ar_name) + 2];
+ if (all->long_name_off == -1)
+ {
+ size_t namelen = strlen (all->name);
+@@ -1464,7 +1464,7 @@ do_oper_insert (int oper, const char *arfname, char **argv, int argc,
+ }
+ else
+ {
+- snprintf (tmpbuf, sizeof (arhdr.ar_name) + 1, "/%-*ld",
++ snprintf (tmpbuf, sizeof (tmpbuf), "/%-*ld",
+ (int) sizeof (arhdr.ar_name), all->long_name_off);
+ memcpy (arhdr.ar_name, tmpbuf, sizeof (arhdr.ar_name));
+ }
+--
+2.12.2
+
diff --git a/recipes-devtools/elfutils/elfutils_0.148.bb b/recipes-devtools/elfutils/elfutils_0.148.bb
index 6080c17..29d109a 100644
--- a/recipes-devtools/elfutils/elfutils_0.148.bb
+++ b/recipes-devtools/elfutils/elfutils_0.148.bb
@@ -35,6 +35,8 @@ SRC_URI += "\
file://elf_begin.c-CVE-2014-9447-fix.patch \
file://fix-build-gcc-4.8.patch \
file://gcc6.patch \
+ file://0001-Fix-fallthrough-warnings.patch \
+ file://0002-Fix-printf-overflow-warnings.patch \
"
# Only apply when building uclibc based target recipe
SRC_URI_append_libc-uclibc = " file://uclibc-support-for-elfutils-0.148.patch"