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author | Kazu Hirata <kazu@codesourcery.com> | 2000-12-07 19:31:48 +0000 |
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committer | Kazu Hirata <kazu@codesourcery.com> | 2000-12-07 19:31:48 +0000 |
commit | 8da6118f7bb59ccf9de63e8eb7f7dc7ed3cf6b9f (patch) | |
tree | 91850a64c488fef7d0699810ad669f968da87f06 /bfd/elf64-x86-64.c | |
parent | e6c42fda06c2d9f3bf53e1bc905f3ca9a534730d (diff) | |
download | gdb-8da6118f7bb59ccf9de63e8eb7f7dc7ed3cf6b9f.zip gdb-8da6118f7bb59ccf9de63e8eb7f7dc7ed3cf6b9f.tar.gz gdb-8da6118f7bb59ccf9de63e8eb7f7dc7ed3cf6b9f.tar.bz2 |
2000-12-07 Kazu Hirata <kazu@hxi.com>
* elf32-ppc.c: Fix formatting.
* elf64-x86-64.c: Likewise.
Diffstat (limited to 'bfd/elf64-x86-64.c')
-rw-r--r-- | bfd/elf64-x86-64.c | 209 |
1 files changed, 102 insertions, 107 deletions
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c index 09aecf9..0b561f7 100644 --- a/bfd/elf64-x86-64.c +++ b/bfd/elf64-x86-64.c @@ -34,8 +34,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* The relocation "howto" table. Order of fields: type, size, bitsize, pc_relative, complain_on_overflow, special_function, name, partial_inplace, src_mask, dst_pack, pcrel_offset */ -static reloc_howto_type x86_64_elf_howto_table[] = -{ +static reloc_howto_type x86_64_elf_howto_table[] = { HOWTO(R_X86_64_NONE, 0,0, 0,false,0,complain_overflow_dont, 0, "R_X86_64_NONE", false,0x00000000,0x00000000,false), HOWTO(R_X86_64_64, 0,4,64,false,0,complain_overflow_bitfield,0, "R_X86_64_64", false,MINUS_ONE ,MINUS_ONE ,false), HOWTO(R_X86_64_PC32, 0,4,32,true ,0,complain_overflow_signed ,0, "R_X86_64_PC32", false,0xffffffff,0xffffffff,true), @@ -80,7 +79,6 @@ static CONST struct elf_reloc_map x86_64_reloc_map[] = { BFD_RELOC_8_PCREL, R_X86_64_PC8, }, }; - static reloc_howto_type *elf64_x86_64_reloc_type_lookup PARAMS ((bfd *, bfd_reloc_code_real_type)); static void elf64_x86_64_info_to_howto @@ -102,14 +100,14 @@ elf64_x86_64_reloc_type_lookup (abfd, code) i++) { if (x86_64_reloc_map[i].bfd_reloc_val == code) - return &x86_64_elf_howto_table[(int) - x86_64_reloc_map[i].elf_reloc_val]; + return &x86_64_elf_howto_table[(int) + x86_64_reloc_map[i].elf_reloc_val]; } return 0; } - /* Given an x86_64 ELF reloc type, fill in an arelent structure. */ + static void elf64_x86_64_info_to_howto (abfd, cache_ptr, dst) bfd *abfd ATTRIBUTE_UNUSED; @@ -129,12 +127,10 @@ elf64_x86_64_info_to_howto (abfd, cache_ptr, dst) /* x86_64 ELF linker hash table. */ -struct elf64_x86_64_link_hash_table -{ +struct elf64_x86_64_link_hash_table { struct elf_link_hash_table root; }; - /* Get the X86-64 ELF linker hash table from a link_info structure. */ #define elf64_x86_64_hash_table(p) \ @@ -149,7 +145,7 @@ elf64_x86_64_link_hash_table_create (abfd) struct elf64_x86_64_link_hash_table *ret; ret = ((struct elf64_x86_64_link_hash_table *) - bfd_alloc (abfd, sizeof (struct elf64_x86_64_link_hash_table))); + bfd_alloc (abfd, sizeof (struct elf64_x86_64_link_hash_table))); if (ret == (struct elf64_x86_64_link_hash_table *) NULL) return NULL; @@ -220,125 +216,124 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section, r_type = ELF64_R_TYPE (rel->r_info); if ((indx = (unsigned) r_type) >= R_X86_64_max) - { - bfd_set_error (bfd_error_bad_value); - return false; - } + { + bfd_set_error (bfd_error_bad_value); + return false; + } howto = x86_64_elf_howto_table + indx; r_symndx = ELF64_R_SYM (rel->r_info); if (info->relocateable) - { - /* This is a relocateable link. We don't have to change - anything, unless the reloc is against a section symbol, - in which case we have to adjust according to where the - section symbol winds up in the output section. */ - if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) - { - sec = local_sections[r_symndx]; - rel->r_addend += sec->output_offset + sym->st_value; - } - } - - continue; - } + { + /* This is a relocateable link. We don't have to change + anything, unless the reloc is against a section symbol, + in which case we have to adjust according to where the + section symbol winds up in the output section. */ + if (r_symndx < symtab_hdr->sh_info) + { + sym = local_syms + r_symndx; + if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) + { + sec = local_sections[r_symndx]; + rel->r_addend += sec->output_offset + sym->st_value; + } + } + + continue; + } /* This is a final link. */ h = NULL; sym = NULL; sec = NULL; if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - sec = local_sections[r_symndx]; - relocation = (sec->output_section->vma - + sec->output_offset - + sym->st_value); - } + { + sym = local_syms + r_symndx; + sec = local_sections[r_symndx]; + relocation = (sec->output_section->vma + + sec->output_offset + + sym->st_value); + } else - { - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - sec = h->root.u.def.section; - if (sec->output_section == NULL) - { - (*_bfd_error_handler) - (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"), - bfd_get_filename (input_bfd), h->root.root.string, - bfd_get_section_name (input_bfd, input_section)); - relocation = 0; - } - else - relocation = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else if (h->root.type == bfd_link_hash_undefweak) - relocation = 0; - else - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset, - (!info->shared || info->no_undefined - || ELF_ST_VISIBILITY (h->other))))) - return false; - relocation = 0; - } - } + { + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + while (h->root.type == bfd_link_hash_indirect + || h->root.type == bfd_link_hash_warning) + h = (struct elf_link_hash_entry *) h->root.u.i.link; + if (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + { + sec = h->root.u.def.section; + if (sec->output_section == NULL) + { + (*_bfd_error_handler) + (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"), + bfd_get_filename (input_bfd), h->root.root.string, + bfd_get_section_name (input_bfd, input_section)); + relocation = 0; + } + else + relocation = (h->root.u.def.value + + sec->output_section->vma + + sec->output_offset); + } + else if (h->root.type == bfd_link_hash_undefweak) + relocation = 0; + else + { + if (! ((*info->callbacks->undefined_symbol) + (info, h->root.root.string, input_bfd, + input_section, rel->r_offset, + (!info->shared || info->no_undefined + || ELF_ST_VISIBILITY (h->other))))) + return false; + relocation = 0; + } + } /* This function should support shared objects, but don't. */ if (info->shared) - abort(); + abort (); r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, - relocation, rel->r_addend); + contents, rel->r_offset, + relocation, rel->r_addend); if (r != bfd_reloc_ok) - { - switch (r) - { - default: - case bfd_reloc_outofrange: - abort (); - case bfd_reloc_overflow: - { - const char *name; - - if (h != NULL) - name = h->root.root.string; - else - { - name = bfd_elf_string_from_elf_section (input_bfd, - symtab_hdr->sh_link, - sym->st_name); - if (name == NULL) - return false; - if (*name == '\0') - name = bfd_section_name (input_bfd, sec); - } - if (! ((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset))) - return false; - } - break; - } - } + { + switch (r) + { + default: + case bfd_reloc_outofrange: + abort (); + case bfd_reloc_overflow: + { + const char *name; + + if (h != NULL) + name = h->root.root.string; + else + { + name = bfd_elf_string_from_elf_section (input_bfd, + symtab_hdr->sh_link, + sym->st_name); + if (name == NULL) + return false; + if (*name == '\0') + name = bfd_section_name (input_bfd, sec); + } + if (! ((*info->callbacks->reloc_overflow) + (info, name, howto->name, (bfd_vma) 0, + input_bfd, input_section, rel->r_offset))) + return false; + } + break; + } + } } return true; } - #define TARGET_LITTLE_SYM bfd_elf64_x86_64_vec #define TARGET_LITTLE_NAME "elf64-x86-64" #define ELF_ARCH bfd_arch_i386 |