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2010-09-24 Thomas Schwinge <thomas@codesourcery.com>

Browse source 
* elf32-arm.c, elf32-cris.c, elf32-hppa.c, elf32-i370.c, elf32-m32r.c,
	elf32-m68k.c, elf32-microblaze.c, elf32-ppc.c, elf32-score.c,
	elf32-score7.c, elf32-sh.c, elf32-vax.c, elf32-xtensa.c, elf64-alpha.c,
	elf64-hppa.c, elf64-mips.c, elf64-ppc.c, elf64-sparc.c, elfcode.h,
	elflink.c, elfxx-ia64.c, elfxx-mips.c: Use STN_UNDEF when referring to
	the zero symbol index.
This commit is contained in:
Thomas Schwinge 2010-09-24 12:14:26 +00:00
parent 2c2fa401c5
commit cf35638d43
23 changed files with 66 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

7
bfd/ChangeLog
View file

@ -1,5 +1,12 @@
2010-09-24 Thomas Schwinge <thomas@codesourcery.com> 2010-09-24 Thomas Schwinge <thomas@codesourcery.com>
* elf32-arm.c, elf32-cris.c, elf32-hppa.c, elf32-i370.c, elf32-m32r.c,
elf32-m68k.c, elf32-microblaze.c, elf32-ppc.c, elf32-score.c,
elf32-score7.c, elf32-sh.c, elf32-vax.c, elf32-xtensa.c, elf64-alpha.c,
elf64-hppa.c, elf64-mips.c, elf64-ppc.c, elf64-sparc.c, elfcode.h,
elflink.c, elfxx-ia64.c, elfxx-mips.c: Use STN_UNDEF when referring to
the zero symbol index.
* elflink.c (bfd_elf_reloc_symbol_deleted_p): Compare the symbol index * elflink.c (bfd_elf_reloc_symbol_deleted_p): Compare the symbol index
to STN_UNDEF, not SHN_UNDEF. to STN_UNDEF, not SHN_UNDEF.

4
bfd/elf32-arm.c
View file

@ -9063,7 +9063,7 @@ elf32_arm_relocate_section (bfd * output_bfd,
name = bfd_section_name (input_bfd, sec); name = bfd_section_name (input_bfd, sec);
} }
if (r_symndx != 0 if (r_symndx != STN_UNDEF
&& r_type != R_ARM_NONE && r_type != R_ARM_NONE
&& (h == NULL && (h == NULL
|| h->root.type == bfd_link_hash_defined || h->root.type == bfd_link_hash_defined
@ -10902,7 +10902,7 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
/* PR 9934: It is possible to have relocations that do not /* PR 9934: It is possible to have relocations that do not
refer to symbols, thus it is also possible to have an refer to symbols, thus it is also possible to have an
object file containing relocations but no symbol table. */ object file containing relocations but no symbol table. */
&& (r_symndx > 0 || nsyms > 0)) && (r_symndx > STN_UNDEF || nsyms > 0))
{ {
(*_bfd_error_handler) (_("%B: bad symbol index: %d"), abfd, (*_bfd_error_handler) (_("%B: bad symbol index: %d"), abfd,
r_symndx); r_symndx);

2
bfd/elf32-cris.c
View file

@ -1493,7 +1493,7 @@ cris_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
case R_CRIS_16: case R_CRIS_16:
case R_CRIS_32: case R_CRIS_32:
if (info->shared if (info->shared
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0 && (input_section->flags & SEC_ALLOC) != 0
&& ((r_type != R_CRIS_8_PCREL && ((r_type != R_CRIS_8_PCREL
&& r_type != R_CRIS_16_PCREL && r_type != R_CRIS_16_PCREL

4
bfd/elf32-hppa.c
View file

@ -4472,7 +4472,7 @@ static enum elf_reloc_type_class
elf32_hppa_reloc_type_class (const Elf_Internal_Rela *rela) elf32_hppa_reloc_type_class (const Elf_Internal_Rela *rela)
{ {
/* Handle TLS relocs first; we don't want them to be marked /* Handle TLS relocs first; we don't want them to be marked
relative by the "if (ELF32_R_SYM (rela->r_info) == 0)" relative by the "if (ELF32_R_SYM (rela->r_info) == STN_UNDEF)"
check below. */ check below. */
switch ((int) ELF32_R_TYPE (rela->r_info)) switch ((int) ELF32_R_TYPE (rela->r_info))
{ {
@ -4482,7 +4482,7 @@ elf32_hppa_reloc_type_class (const Elf_Internal_Rela *rela)
return reloc_class_normal; return reloc_class_normal;
} }
if (ELF32_R_SYM (rela->r_info) == 0) if (ELF32_R_SYM (rela->r_info) == STN_UNDEF)
return reloc_class_relative; return reloc_class_relative;
switch ((int) ELF32_R_TYPE (rela->r_info)) switch ((int) ELF32_R_TYPE (rela->r_info))

2
bfd/elf32-i370.c
View file

@ -1183,7 +1183,7 @@ i370_elf_relocate_section (bfd *output_bfd,
case (int) R_I370_ADDR31: case (int) R_I370_ADDR31:
case (int) R_I370_ADDR16: case (int) R_I370_ADDR16:
if (info->shared if (info->shared
&& r_symndx != 0) && r_symndx != STN_UNDEF)
{ {
Elf_Internal_Rela outrel; Elf_Internal_Rela outrel;
bfd_byte *loc; bfd_byte *loc;

2
bfd/elf32-m32r.c
View file

@ -2897,7 +2897,7 @@ m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
case R_M32R_HI16_ULO_RELA: case R_M32R_HI16_ULO_RELA:
case R_M32R_LO16_RELA: case R_M32R_LO16_RELA:
if (info->shared if (info->shared
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0 && (input_section->flags & SEC_ALLOC) != 0
&& (( r_type != R_M32R_10_PCREL_RELA && (( r_type != R_M32R_10_PCREL_RELA
&& r_type != R_M32R_18_PCREL_RELA && r_type != R_M32R_18_PCREL_RELA

4
bfd/elf32-m68k.c
View file

@ -4034,7 +4034,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section,
case R_68K_PC16: case R_68K_PC16:
case R_68K_PC32: case R_68K_PC32:
if (info->shared if (info->shared
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0 && (input_section->flags & SEC_ALLOC) != 0
&& (h == NULL && (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
@ -4169,7 +4169,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section,
return FALSE; return FALSE;
} }
if (r_symndx != 0 if (r_symndx != STN_UNDEF
&& r_type != R_68K_NONE && r_type != R_68K_NONE
&& (h == NULL && (h == NULL
|| h->root.type == bfd_link_hash_defined || h->root.type == bfd_link_hash_defined

4
bfd/elf32-microblaze.c
View file

@ -1067,10 +1067,10 @@ microblaze_elf_relocate_section (bfd *output_bfd,
case (int) R_MICROBLAZE_64: case (int) R_MICROBLAZE_64:
case (int) R_MICROBLAZE_32: case (int) R_MICROBLAZE_32:
{ {
/* r_symndx will be zero only for relocs against symbols /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
from removed linkonce sections, or sections discarded by from removed linkonce sections, or sections discarded by
a linker script. */ a linker script. */
if (r_symndx == 0 || (input_section->flags & SEC_ALLOC) == 0) if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0)
{ {
relocation += addend; relocation += addend;
if (r_type == R_MICROBLAZE_32) if (r_type == R_MICROBLAZE_32)

10
bfd/elf32-ppc.c
View file

@ -6985,9 +6985,9 @@ ppc_elf_relocate_section (bfd *output_bfd,
if (local_sections[r_symndx] == sec) if (local_sections[r_symndx] == sec)
break; break;
if (r_symndx >= symtab_hdr->sh_info) if (r_symndx >= symtab_hdr->sh_info)
r_symndx = 0; r_symndx = STN_UNDEF;
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET; rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
if (r_symndx != 0) if (r_symndx != STN_UNDEF)
rel->r_addend -= (local_syms[r_symndx].st_value rel->r_addend -= (local_syms[r_symndx].st_value
+ sec->output_offset + sec->output_offset
+ sec->output_section->vma); + sec->output_section->vma);
@ -7053,9 +7053,9 @@ ppc_elf_relocate_section (bfd *output_bfd,
if (local_sections[r_symndx] == sec) if (local_sections[r_symndx] == sec)
break; break;
if (r_symndx >= symtab_hdr->sh_info) if (r_symndx >= symtab_hdr->sh_info)
r_symndx = 0; r_symndx = STN_UNDEF;
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET; rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
if (r_symndx != 0) if (r_symndx != STN_UNDEF)
rel->r_addend -= (local_syms[r_symndx].st_value rel->r_addend -= (local_syms[r_symndx].st_value
+ sec->output_offset + sec->output_offset
+ sec->output_section->vma); + sec->output_section->vma);
@ -7658,7 +7658,7 @@ ppc_elf_relocate_section (bfd *output_bfd,
sym_name); sym_name);
ret = FALSE; ret = FALSE;
} }
else if (r_symndx == 0 || bfd_is_abs_section (sec)) else if (r_symndx == STN_UNDEF || bfd_is_abs_section (sec))
; ;
else if (sec == NULL || sec->owner == NULL) else if (sec == NULL || sec->owner == NULL)
{ {

6
bfd/elf32-score.c
View file

@ -2126,7 +2126,7 @@ score_elf_final_link_relocate (reloc_howto_type *howto,
&& h != NULL && h != NULL
&& h->root.def_dynamic && h->root.def_dynamic
&& !h->root.def_regular)) && !h->root.def_regular))
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0) && (input_section->flags & SEC_ALLOC) != 0)
{ {
/* If we're creating a shared library, or this relocation is against a symbol /* If we're creating a shared library, or this relocation is against a symbol
@ -2139,8 +2139,8 @@ score_elf_final_link_relocate (reloc_howto_type *howto,
input_section)) input_section))
return bfd_reloc_undefined; return bfd_reloc_undefined;
} }
else if (r_symndx == 0) else if (r_symndx == STN_UNDEF)
/* r_symndx will be zero only for relocs against symbols /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
from removed linkonce sections, or sections discarded by from removed linkonce sections, or sections discarded by
a linker script. */ a linker script. */
value = 0; value = 0;

6
bfd/elf32-score7.c
View file

@ -2025,7 +2025,7 @@ score_elf_final_link_relocate (reloc_howto_type *howto,
&& h != NULL && h != NULL
&& h->root.def_dynamic && h->root.def_dynamic
&& !h->root.def_regular)) && !h->root.def_regular))
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0) && (input_section->flags & SEC_ALLOC) != 0)
{ {
/* If we're creating a shared library, or this relocation is against a symbol /* If we're creating a shared library, or this relocation is against a symbol
@ -2038,8 +2038,8 @@ score_elf_final_link_relocate (reloc_howto_type *howto,
input_section)) input_section))
return bfd_reloc_undefined; return bfd_reloc_undefined;
} }
else if (r_symndx == 0) else if (r_symndx == STN_UNDEF)
/* r_symndx will be zero only for relocs against symbols /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
from removed linkonce sections, or sections discarded by from removed linkonce sections, or sections discarded by
a linker script. */ a linker script. */
value = 0; value = 0;

2
bfd/elf32-sh.c
View file

@ -4405,7 +4405,7 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
&& (h == NULL && (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak) || h->root.type != bfd_link_hash_undefweak)
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0 && (input_section->flags & SEC_ALLOC) != 0
&& !is_vxworks_tls && !is_vxworks_tls
&& (r_type == R_SH_DIR32 && (r_type == R_SH_DIR32

2
bfd/elf32-vax.c
View file

@ -1611,7 +1611,7 @@ elf_vax_relocate_section (bfd *output_bfd,
case R_VAX_16: case R_VAX_16:
case R_VAX_32: case R_VAX_32:
if (info->shared if (info->shared
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0 && (input_section->flags & SEC_ALLOC) != 0
&& ((r_type != R_VAX_PC8 && ((r_type != R_VAX_PC8
&& r_type != R_VAX_PC16 && r_type != R_VAX_PC16

2
bfd/elf32-xtensa.c
View file

@ -2800,7 +2800,7 @@ elf_xtensa_relocate_section (bfd *output_bfd,
name = bfd_section_name (input_bfd, sec); name = bfd_section_name (input_bfd, sec);
} }
if (r_symndx != 0 if (r_symndx != STN_UNDEF
&& r_type != R_XTENSA_NONE && r_type != R_XTENSA_NONE
&& (h == NULL && (h == NULL
|| h->root.type == bfd_link_hash_defined || h->root.type == bfd_link_hash_defined

22
bfd/elf64-alpha.c
View file

@ -1866,8 +1866,8 @@ elf64_alpha_check_relocs (bfd *abfd, struct bfd_link_info *info,
case R_ALPHA_TLSLDM: case R_ALPHA_TLSLDM:
/* The symbol for a TLSLDM reloc is ignored. Collapse the /* The symbol for a TLSLDM reloc is ignored. Collapse the
reloc to the 0 symbol so that they all match. */ reloc to the STN_UNDEF (0) symbol so that they all match. */
r_symndx = 0; r_symndx = STN_UNDEF;
h = 0; h = 0;
maybe_dynamic = FALSE; maybe_dynamic = FALSE;
/* FALLTHRU */ /* FALLTHRU */
@ -3491,7 +3491,7 @@ elf64_alpha_relax_tls_get_addr (struct alpha_relax_info *info, bfd_vma symval,
as appropriate. */ as appropriate. */
use_gottprel = FALSE; use_gottprel = FALSE;
new_symndx = is_gd ? ELF64_R_SYM (irel->r_info) : 0; new_symndx = is_gd ? ELF64_R_SYM (irel->r_info) : STN_UNDEF;
/* Beware of the compiler hoisting part of the sequence out a loop /* Beware of the compiler hoisting part of the sequence out a loop
and adjusting the destination register for the TLSGD insn. If this and adjusting the destination register for the TLSGD insn. If this
@ -3724,8 +3724,8 @@ elf64_alpha_relax_section (bfd *abfd, asection *sec,
case R_ALPHA_TLSLDM: case R_ALPHA_TLSLDM:
/* The symbol for a TLSLDM reloc is ignored. Collapse the /* The symbol for a TLSLDM reloc is ignored. Collapse the
reloc to the 0 symbol so that they all match. */ reloc to the STN_UNDEF (0) symbol so that they all match. */
r_symndx = 0; r_symndx = STN_UNDEF;
break; break;
default: default:
@ -4154,9 +4154,9 @@ elf64_alpha_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
r_symndx = ELF64_R_SYM(rel->r_info); r_symndx = ELF64_R_SYM(rel->r_info);
/* The symbol for a TLSLDM reloc is ignored. Collapse the /* The symbol for a TLSLDM reloc is ignored. Collapse the
reloc to the 0 symbol so that they all match. */ reloc to the STN_UNDEF (0) symbol so that they all match. */
if (r_type == R_ALPHA_TLSLDM) if (r_type == R_ALPHA_TLSLDM)
r_symndx = 0; r_symndx = STN_UNDEF;
if (r_symndx < symtab_hdr->sh_info) if (r_symndx < symtab_hdr->sh_info)
{ {
@ -4166,10 +4166,10 @@ elf64_alpha_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
msec = sec; msec = sec;
value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel); value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel);
/* If this is a tp-relative relocation against sym 0, /* If this is a tp-relative relocation against sym STN_UNDEF (0),
this is hackery from relax_section. Force the value to this is hackery from relax_section. Force the value to
be the tls module base. */ be the tls module base. */
if (r_symndx == 0 if (r_symndx == STN_UNDEF
&& (r_type == R_ALPHA_TLSLDM && (r_type == R_ALPHA_TLSLDM
|| r_type == R_ALPHA_GOTTPREL || r_type == R_ALPHA_GOTTPREL
|| r_type == R_ALPHA_TPREL64 || r_type == R_ALPHA_TPREL64
@ -4455,7 +4455,7 @@ elf64_alpha_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
dynaddend = value - dtp_base; dynaddend = value - dtp_base;
} }
else if (info->shared else if (info->shared
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) && (input_section->flags & SEC_ALLOC)
&& !undef_weak_ref) && !undef_weak_ref)
{ {
@ -4503,7 +4503,7 @@ elf64_alpha_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
/* ??? .eh_frame references to discarded sections will be smashed /* ??? .eh_frame references to discarded sections will be smashed
to relocations against SHN_UNDEF. The .eh_frame format allows to relocations against SHN_UNDEF. The .eh_frame format allows
NULL to be encoded as 0 in any format, so this works here. */ NULL to be encoded as 0 in any format, so this works here. */
if (r_symndx == 0) if (r_symndx == STN_UNDEF)
howto = (elf64_alpha_howto_table howto = (elf64_alpha_howto_table
+ (r_type - R_ALPHA_SREL32 + R_ALPHA_REFLONG)); + (r_type - R_ALPHA_SREL32 + R_ALPHA_REFLONG));
goto default_reloc; goto default_reloc;

2
bfd/elf64-hppa.c
View file

@ -2465,7 +2465,7 @@ elf64_hppa_finalize_dynreloc (struct elf_link_hash_entry *eh,
static enum elf_reloc_type_class static enum elf_reloc_type_class
elf64_hppa_reloc_type_class (const Elf_Internal_Rela *rela) elf64_hppa_reloc_type_class (const Elf_Internal_Rela *rela)
{ {
if (ELF64_R_SYM (rela->r_info) == 0) if (ELF64_R_SYM (rela->r_info) == STN_UNDEF)
return reloc_class_relative; return reloc_class_relative;
switch ((int) ELF64_R_TYPE (rela->r_info)) switch ((int) ELF64_R_TYPE (rela->r_info))

2
bfd/elf64-mips.c
View file

@ -2619,7 +2619,7 @@ mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect,
default: default:
if (! used_sym) if (! used_sym)
{ {
if (rela.r_sym == 0) if (rela.r_sym == STN_UNDEF)
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
else else
{ {

14
bfd/elf64-ppc.c
View file

@ -11668,7 +11668,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
/* Check that tls relocs are used with tls syms, and non-tls /* Check that tls relocs are used with tls syms, and non-tls
relocs are used with non-tls syms. */ relocs are used with non-tls syms. */
if (r_symndx != 0 if (r_symndx != STN_UNDEF
&& r_type != R_PPC64_NONE && r_type != R_PPC64_NONE
&& (h == NULL && (h == NULL
|| h->elf.root.type == bfd_link_hash_defined || h->elf.root.type == bfd_link_hash_defined
@ -11917,9 +11917,9 @@ ppc64_elf_relocate_section (bfd *output_bfd,
if (local_sections[r_symndx] == sec) if (local_sections[r_symndx] == sec)
break; break;
if (r_symndx >= symtab_hdr->sh_info) if (r_symndx >= symtab_hdr->sh_info)
r_symndx = 0; r_symndx = STN_UNDEF;
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET; rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
if (r_symndx != 0) if (r_symndx != STN_UNDEF)
rel->r_addend -= (local_syms[r_symndx].st_value rel->r_addend -= (local_syms[r_symndx].st_value
+ sec->output_offset + sec->output_offset
+ sec->output_section->vma); + sec->output_section->vma);
@ -12025,9 +12025,9 @@ ppc64_elf_relocate_section (bfd *output_bfd,
if (local_sections[r_symndx] == sec) if (local_sections[r_symndx] == sec)
break; break;
if (r_symndx >= symtab_hdr->sh_info) if (r_symndx >= symtab_hdr->sh_info)
r_symndx = 0; r_symndx = STN_UNDEF;
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET; rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
if (r_symndx != 0) if (r_symndx != STN_UNDEF)
rel->r_addend -= (local_syms[r_symndx].st_value rel->r_addend -= (local_syms[r_symndx].st_value
+ sec->output_offset + sec->output_offset
+ sec->output_section->vma); + sec->output_section->vma);
@ -12569,7 +12569,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
case R_PPC64_TOC: case R_PPC64_TOC:
/* Relocation value is TOC base. */ /* Relocation value is TOC base. */
relocation = TOCstart; relocation = TOCstart;
if (r_symndx == 0) if (r_symndx == STN_UNDEF)
relocation += htab->stub_group[input_section->id].toc_off; relocation += htab->stub_group[input_section->id].toc_off;
else if (unresolved_reloc) else if (unresolved_reloc)
; ;
@ -12819,7 +12819,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
sym_name); sym_name);
ret = FALSE; ret = FALSE;
} }
else if (r_symndx == 0 || bfd_is_abs_section (sec)) else if (r_symndx == STN_UNDEF || bfd_is_abs_section (sec))
; ;
else if (sec == NULL || sec->owner == NULL) else if (sec == NULL || sec->owner == NULL)
{ {

2
bfd/elf64-sparc.c
View file

@ -98,7 +98,7 @@ elf64_sparc_slurp_one_reloc_table (bfd *abfd, asection *asect,
else else
relent->address = rela.r_offset - asect->vma; relent->address = rela.r_offset - asect->vma;
if (ELF64_R_SYM (rela.r_info) == 0) if (ELF64_R_SYM (rela.r_info) == STN_UNDEF)
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
else else
{ {

2
bfd/elfcode.h
View file

@ -1466,7 +1466,7 @@ elf_slurp_reloc_table_from_section (bfd *abfd,
else else
relent->address = rela.r_offset - asect->vma; relent->address = rela.r_offset - asect->vma;
if (ELF_R_SYM (rela.r_info) == 0) if (ELF_R_SYM (rela.r_info) == STN_UNDEF)
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
else if (ELF_R_SYM (rela.r_info) > symcount) else if (ELF_R_SYM (rela.r_info) > symcount)
{ {

12
bfd/elflink.c
View file

@ -2170,7 +2170,7 @@ elf_link_read_relocs_from_section (bfd *abfd,
return FALSE; return FALSE;
} }
} }
else if (r_symndx != 0) else if (r_symndx != STN_UNDEF)
{ {
(*_bfd_error_handler) (*_bfd_error_handler)
(_("%B: non-zero symbol index (0x%lx) for offset 0x%lx in section `%A'" (_("%B: non-zero symbol index (0x%lx) for offset 0x%lx in section `%A'"
@ -9500,7 +9500,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd)
discarded section. */ discarded section. */
if ((sec = *ps) != NULL && elf_discarded_section (sec)) if ((sec = *ps) != NULL && elf_discarded_section (sec))
{ {
BFD_ASSERT (r_symndx != 0); BFD_ASSERT (r_symndx != STN_UNDEF);
if (action_discarded & COMPLAIN) if (action_discarded & COMPLAIN)
(*finfo->info->callbacks->einfo) (*finfo->info->callbacks->einfo)
(_("%X`%s' referenced in section `%A' of %B: " (_("%X`%s' referenced in section `%A' of %B: "
@ -9667,7 +9667,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd)
/* I suppose the backend ought to fill in the /* I suppose the backend ought to fill in the
section of any STT_SECTION symbol against a section of any STT_SECTION symbol against a
processor specific section. */ processor specific section. */
r_symndx = 0; r_symndx = STN_UNDEF;
if (bfd_is_abs_section (sec)) if (bfd_is_abs_section (sec))
; ;
else if (sec == NULL || sec->owner == NULL) else if (sec == NULL || sec->owner == NULL)
@ -9696,7 +9696,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd)
if (!bfd_is_abs_section (osec)) if (!bfd_is_abs_section (osec))
{ {
r_symndx = osec->target_index; r_symndx = osec->target_index;
if (r_symndx == 0) if (r_symndx == STN_UNDEF)
{ {
struct elf_link_hash_table *htab; struct elf_link_hash_table *htab;
asection *oi; asection *oi;
@ -9714,7 +9714,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd)
} }
} }
BFD_ASSERT (r_symndx != 0); BFD_ASSERT (r_symndx != STN_UNDEF);
} }
} }
@ -11471,7 +11471,7 @@ _bfd_elf_gc_mark_rsec (struct bfd_link_info *info, asection *sec,
struct elf_link_hash_entry *h; struct elf_link_hash_entry *h;
r_symndx = cookie->rel->r_info >> cookie->r_sym_shift; r_symndx = cookie->rel->r_info >> cookie->r_sym_shift;
if (r_symndx == 0) if (r_symndx == STN_UNDEF)
return NULL; return NULL;
if (r_symndx >= cookie->locsymcount if (r_symndx >= cookie->locsymcount

4
bfd/elfxx-ia64.c
View file

@ -4695,7 +4695,7 @@ elfNN_ia64_relocate_section (bfd *output_bfd,
case R_IA64_DIR64LSB: case R_IA64_DIR64LSB:
/* Install a dynamic relocation for this reloc. */ /* Install a dynamic relocation for this reloc. */
if ((dynamic_symbol_p || info->shared) if ((dynamic_symbol_p || info->shared)
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0) && (input_section->flags & SEC_ALLOC) != 0)
{ {
unsigned int dyn_r_type; unsigned int dyn_r_type;
@ -4924,7 +4924,7 @@ elfNN_ia64_relocate_section (bfd *output_bfd,
case R_IA64_PCREL64MSB: case R_IA64_PCREL64MSB:
case R_IA64_PCREL64LSB: case R_IA64_PCREL64LSB:
/* Install a dynamic relocation for this reloc. */ /* Install a dynamic relocation for this reloc. */
if (dynamic_symbol_p && r_symndx != 0) if (dynamic_symbol_p && r_symndx != STN_UNDEF)
{ {
BFD_ASSERT (srel != NULL); BFD_ASSERT (srel != NULL);

8
bfd/elfxx-mips.c
View file

@ -5282,7 +5282,7 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
&& h->root.def_dynamic && h->root.def_dynamic
&& !h->root.def_regular && !h->root.def_regular
&& !h->has_static_relocs)) && !h->has_static_relocs))
&& r_symndx != 0 && r_symndx != STN_UNDEF
&& (h == NULL && (h == NULL
|| h->root.root.type != bfd_link_hash_undefweak || h->root.root.type != bfd_link_hash_undefweak
|| ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT) || ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT)
@ -7752,7 +7752,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
case R_MIPS_TLS_LDM: case R_MIPS_TLS_LDM:
if (r_type == R_MIPS_TLS_LDM) if (r_type == R_MIPS_TLS_LDM)
{ {
r_symndx = 0; r_symndx = STN_UNDEF;
h = NULL; h = NULL;
} }
/* Fall through */ /* Fall through */
@ -7778,7 +7778,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
} }
else else
{ {
BFD_ASSERT (flag == GOT_TLS_LDM || r_symndx != 0); BFD_ASSERT (flag == GOT_TLS_LDM || r_symndx != STN_UNDEF);
if (!mips_elf_record_local_got_symbol (abfd, r_symndx, if (!mips_elf_record_local_got_symbol (abfd, r_symndx,
rel->r_addend, rel->r_addend,
@ -7918,7 +7918,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
case R_MIPS_HIGHEST: case R_MIPS_HIGHEST:
/* Don't refuse a high part relocation if it's against /* Don't refuse a high part relocation if it's against
no symbol (e.g. part of a compound relocation). */ no symbol (e.g. part of a compound relocation). */
if (r_symndx == 0) if (r_symndx == STN_UNDEF)
break; break;
/* R_MIPS_HI16 against _gp_disp is used for $gp setup, /* R_MIPS_HI16 against _gp_disp is used for $gp setup,