diff options
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elf32-i386.c | 44 |
2 files changed, 34 insertions, 16 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 23d7f68..f422b88 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,11 @@ 2016-04-29 H.J. Lu <hongjiu.lu@intel.com> + * elf32-i386.c (check_relocs_failed): New. + (elf_i386_check_relocs): Set check_relocs_failed on error. + (elf_i386_relocate_section): Skip if check_relocs failed. + +2016-04-29 H.J. Lu <hongjiu.lu@intel.com> + * elf64-x86-64.c (elf_x86_64_check_relocs): Set check_relocs_failed on error. diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index 4de8a2d..ec09c93 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -1506,7 +1506,8 @@ elf_i386_tls_transition (struct bfd_link_info *info, bfd *abfd, /* Rename some of the generic section flags to better document how they are used here. */ -#define need_convert_load sec_flg0 +#define need_convert_load sec_flg0 +#define check_relocs_failed sec_flg1 /* Look through the relocs for a section during the first phase, and calculate needed space in the global offset table, procedure linkage @@ -1533,7 +1534,10 @@ elf_i386_check_relocs (bfd *abfd, htab = elf_i386_hash_table (info); if (htab == NULL) - return FALSE; + { + sec->check_relocs_failed = 1; + return FALSE; + } use_plt_got = (!get_elf_i386_backend_data (abfd)->is_vxworks && (get_elf_i386_backend_data (abfd) @@ -1563,7 +1567,7 @@ elf_i386_check_relocs (bfd *abfd, (*_bfd_error_handler) (_("%B: bad symbol index: %d"), abfd, r_symndx); - return FALSE; + goto error_return; } if (r_symndx < symtab_hdr->sh_info) @@ -1572,14 +1576,14 @@ elf_i386_check_relocs (bfd *abfd, isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx); if (isym == NULL) - return FALSE; + goto error_return; /* Check relocation against local STT_GNU_IFUNC symbol. */ if (ELF32_ST_TYPE (isym->st_info) == STT_GNU_IFUNC) { h = elf_i386_get_local_sym_hash (htab, abfd, rel, TRUE); if (h == NULL) - return FALSE; + goto error_return; /* Fake a STT_GNU_IFUNC symbol. */ h->type = STT_GNU_IFUNC; @@ -1621,7 +1625,7 @@ elf_i386_check_relocs (bfd *abfd, if (h->type == STT_GNU_IFUNC && !_bfd_elf_create_ifunc_sections (htab->elf.dynobj, info)) - return FALSE; + goto error_return; break; } @@ -1638,7 +1642,7 @@ elf_i386_check_relocs (bfd *abfd, symtab_hdr, sym_hashes, &r_type, GOT_UNKNOWN, rel, rel_end, h, r_symndx)) - return FALSE; + goto error_return; switch (r_type) { @@ -1729,7 +1733,7 @@ elf_i386_check_relocs (bfd *abfd, local_got_refcounts = (bfd_signed_vma *) bfd_zalloc (abfd, size); if (local_got_refcounts == NULL) - return FALSE; + goto error_return; elf_local_got_refcounts (abfd) = local_got_refcounts; elf_i386_local_tlsdesc_gotent (abfd) = (bfd_vma *) (local_got_refcounts + symtab_hdr->sh_info); @@ -1765,7 +1769,7 @@ elf_i386_check_relocs (bfd *abfd, "thread local symbol"), abfd, name); bfd_set_error (bfd_error_bad_value); - return FALSE; + goto error_return; } } @@ -1787,7 +1791,7 @@ elf_i386_check_relocs (bfd *abfd, if (htab->elf.dynobj == NULL) htab->elf.dynobj = abfd; if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) - return FALSE; + goto error_return; } if (r_type != R_386_TLS_IE) { @@ -1903,7 +1907,7 @@ do_size: (sec, htab->elf.dynobj, 2, abfd, /*rela?*/ FALSE); if (sreloc == NULL) - return FALSE; + goto error_return; } /* If this is a global symbol, we count the number of @@ -1923,7 +1927,7 @@ do_size: isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx); if (isym == NULL) - return FALSE; + goto error_return; s = bfd_section_from_elf_index (abfd, isym->st_shndx); if (s == NULL) @@ -1940,7 +1944,7 @@ do_size: p = (struct elf_dyn_relocs *) bfd_alloc (htab->elf.dynobj, amt); if (p == NULL) - return FALSE; + goto error_return; p->next = *head; *head = p; p->sec = sec; @@ -1959,7 +1963,7 @@ do_size: Reconstruct it for later use during GC. */ case R_386_GNU_VTINHERIT: if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) - return FALSE; + goto error_return; break; /* This relocation describes which C++ vtable entries are actually @@ -1968,7 +1972,7 @@ do_size: BFD_ASSERT (h != NULL); if (h != NULL && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset)) - return FALSE; + goto error_return; break; default: @@ -2006,7 +2010,7 @@ do_size: || !bfd_set_section_alignment (htab->elf.dynobj, htab->plt_got, plt_got_align)) - return FALSE; + goto error_return; } if ((r_type == R_386_GOT32 || r_type == R_386_GOT32X) @@ -2015,6 +2019,10 @@ do_size: } return TRUE; + +error_return: + sec->check_relocs_failed = 1; + return FALSE; } /* Return the section that should be marked against GC for a given @@ -3581,6 +3589,10 @@ elf_i386_relocate_section (bfd *output_bfd, BFD_ASSERT (is_i386_elf (input_bfd)); + /* Skip if check_relocs failed. */ + if (input_section->check_relocs_failed) + return FALSE; + htab = elf_i386_hash_table (info); if (htab == NULL) return FALSE; |