From cf35638d431e230d51d54550e8a249e730264ea5 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Fri, 24 Sep 2010 12:14:26 +0000 Subject: [PATCH] 2010-09-24 Thomas Schwinge * 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. --- bfd/ChangeLog | 7 +++++++ bfd/elf32-arm.c | 4 ++-- bfd/elf32-cris.c | 2 +- bfd/elf32-hppa.c | 4 ++-- bfd/elf32-i370.c | 2 +- bfd/elf32-m32r.c | 2 +- bfd/elf32-m68k.c | 4 ++-- bfd/elf32-microblaze.c | 4 ++-- bfd/elf32-ppc.c | 10 +++++----- bfd/elf32-score.c | 6 +++--- bfd/elf32-score7.c | 6 +++--- bfd/elf32-sh.c | 2 +- bfd/elf32-vax.c | 2 +- bfd/elf32-xtensa.c | 2 +- bfd/elf64-alpha.c | 22 +++++++++++----------- bfd/elf64-hppa.c | 2 +- bfd/elf64-mips.c | 2 +- bfd/elf64-ppc.c | 14 +++++++------- bfd/elf64-sparc.c | 2 +- bfd/elfcode.h | 2 +- bfd/elflink.c | 12 ++++++------ bfd/elfxx-ia64.c | 4 ++-- bfd/elfxx-mips.c | 8 ++++---- 23 files changed, 66 insertions(+), 59 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 22f9a2049f..b281a04520 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,12 @@ 2010-09-24 Thomas Schwinge + * 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 to STN_UNDEF, not SHN_UNDEF. diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index 74fb855763..2125582ee8 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -9063,7 +9063,7 @@ elf32_arm_relocate_section (bfd * output_bfd, name = bfd_section_name (input_bfd, sec); } - if (r_symndx != 0 + if (r_symndx != STN_UNDEF && r_type != R_ARM_NONE && (h == NULL || 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 refer to symbols, thus it is also possible to have an 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, r_symndx); diff --git a/bfd/elf32-cris.c b/bfd/elf32-cris.c index 71634c93eb..f3ed80d18e 100644 --- a/bfd/elf32-cris.c +++ b/bfd/elf32-cris.c @@ -1493,7 +1493,7 @@ cris_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, case R_CRIS_16: case R_CRIS_32: if (info->shared - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0 && ((r_type != R_CRIS_8_PCREL && r_type != R_CRIS_16_PCREL diff --git a/bfd/elf32-hppa.c b/bfd/elf32-hppa.c index 1a6fef8827..3a3a355d6e 100644 --- a/bfd/elf32-hppa.c +++ b/bfd/elf32-hppa.c @@ -4472,7 +4472,7 @@ static enum elf_reloc_type_class elf32_hppa_reloc_type_class (const Elf_Internal_Rela *rela) { /* 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. */ 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; } - if (ELF32_R_SYM (rela->r_info) == 0) + if (ELF32_R_SYM (rela->r_info) == STN_UNDEF) return reloc_class_relative; switch ((int) ELF32_R_TYPE (rela->r_info)) diff --git a/bfd/elf32-i370.c b/bfd/elf32-i370.c index 67e6598523..01f9fb8612 100644 --- a/bfd/elf32-i370.c +++ b/bfd/elf32-i370.c @@ -1183,7 +1183,7 @@ i370_elf_relocate_section (bfd *output_bfd, case (int) R_I370_ADDR31: case (int) R_I370_ADDR16: if (info->shared - && r_symndx != 0) + && r_symndx != STN_UNDEF) { Elf_Internal_Rela outrel; bfd_byte *loc; diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c index 28eff7666c..3df6addb69 100644 --- a/bfd/elf32-m32r.c +++ b/bfd/elf32-m32r.c @@ -2897,7 +2897,7 @@ m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, case R_M32R_HI16_ULO_RELA: case R_M32R_LO16_RELA: if (info->shared - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0 && (( r_type != R_M32R_10_PCREL_RELA && r_type != R_M32R_18_PCREL_RELA diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c index 7323612176..8d1ee7f5e7 100644 --- a/bfd/elf32-m68k.c +++ b/bfd/elf32-m68k.c @@ -4034,7 +4034,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, case R_68K_PC16: case R_68K_PC32: if (info->shared - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0 && (h == NULL || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT @@ -4169,7 +4169,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, return FALSE; } - if (r_symndx != 0 + if (r_symndx != STN_UNDEF && r_type != R_68K_NONE && (h == NULL || h->root.type == bfd_link_hash_defined diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c index a64926a51e..e260c55577 100644 --- a/bfd/elf32-microblaze.c +++ b/bfd/elf32-microblaze.c @@ -1067,10 +1067,10 @@ microblaze_elf_relocate_section (bfd *output_bfd, case (int) R_MICROBLAZE_64: 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 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; if (r_type == R_MICROBLAZE_32) diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index ef0e15927e..2b457d6d9b 100644 --- a/bfd/elf32-ppc.c +++ b/bfd/elf32-ppc.c @@ -6985,9 +6985,9 @@ ppc_elf_relocate_section (bfd *output_bfd, if (local_sections[r_symndx] == sec) break; if (r_symndx >= symtab_hdr->sh_info) - r_symndx = 0; + r_symndx = STN_UNDEF; 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 + sec->output_offset + sec->output_section->vma); @@ -7053,9 +7053,9 @@ ppc_elf_relocate_section (bfd *output_bfd, if (local_sections[r_symndx] == sec) break; if (r_symndx >= symtab_hdr->sh_info) - r_symndx = 0; + r_symndx = STN_UNDEF; 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 + sec->output_offset + sec->output_section->vma); @@ -7658,7 +7658,7 @@ ppc_elf_relocate_section (bfd *output_bfd, sym_name); 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) { diff --git a/bfd/elf32-score.c b/bfd/elf32-score.c index f1f1aae1e7..fec177af07 100644 --- a/bfd/elf32-score.c +++ b/bfd/elf32-score.c @@ -2126,7 +2126,7 @@ score_elf_final_link_relocate (reloc_howto_type *howto, && h != NULL && h->root.def_dynamic && !h->root.def_regular)) - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0) { /* 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)) return bfd_reloc_undefined; } - else if (r_symndx == 0) - /* r_symndx will be zero only for relocs against symbols + else if (r_symndx == STN_UNDEF) + /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols from removed linkonce sections, or sections discarded by a linker script. */ value = 0; diff --git a/bfd/elf32-score7.c b/bfd/elf32-score7.c index 85ce236a4f..f780e56ab7 100644 --- a/bfd/elf32-score7.c +++ b/bfd/elf32-score7.c @@ -2025,7 +2025,7 @@ score_elf_final_link_relocate (reloc_howto_type *howto, && h != NULL && h->root.def_dynamic && !h->root.def_regular)) - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0) { /* 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)) return bfd_reloc_undefined; } - else if (r_symndx == 0) - /* r_symndx will be zero only for relocs against symbols + else if (r_symndx == STN_UNDEF) + /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols from removed linkonce sections, or sections discarded by a linker script. */ value = 0; diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c index 023ed7ede7..4937643406 100644 --- a/bfd/elf32-sh.c +++ b/bfd/elf32-sh.c @@ -4405,7 +4405,7 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, && (h == NULL || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT || h->root.type != bfd_link_hash_undefweak) - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0 && !is_vxworks_tls && (r_type == R_SH_DIR32 diff --git a/bfd/elf32-vax.c b/bfd/elf32-vax.c index 1582ac764d..db67faf850 100644 --- a/bfd/elf32-vax.c +++ b/bfd/elf32-vax.c @@ -1611,7 +1611,7 @@ elf_vax_relocate_section (bfd *output_bfd, case R_VAX_16: case R_VAX_32: if (info->shared - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0 && ((r_type != R_VAX_PC8 && r_type != R_VAX_PC16 diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c index 9b9b5de06a..f9ecde5fa8 100644 --- a/bfd/elf32-xtensa.c +++ b/bfd/elf32-xtensa.c @@ -2800,7 +2800,7 @@ elf_xtensa_relocate_section (bfd *output_bfd, name = bfd_section_name (input_bfd, sec); } - if (r_symndx != 0 + if (r_symndx != STN_UNDEF && r_type != R_XTENSA_NONE && (h == NULL || h->root.type == bfd_link_hash_defined diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c index 19326cf81b..1df020c397 100644 --- a/bfd/elf64-alpha.c +++ b/bfd/elf64-alpha.c @@ -1866,8 +1866,8 @@ elf64_alpha_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_ALPHA_TLSLDM: /* The symbol for a TLSLDM reloc is ignored. Collapse the - reloc to the 0 symbol so that they all match. */ - r_symndx = 0; + reloc to the STN_UNDEF (0) symbol so that they all match. */ + r_symndx = STN_UNDEF; h = 0; maybe_dynamic = FALSE; /* FALLTHRU */ @@ -3491,7 +3491,7 @@ elf64_alpha_relax_tls_get_addr (struct alpha_relax_info *info, bfd_vma symval, as appropriate. */ 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 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: /* The symbol for a TLSLDM reloc is ignored. Collapse the - reloc to the 0 symbol so that they all match. */ - r_symndx = 0; + reloc to the STN_UNDEF (0) symbol so that they all match. */ + r_symndx = STN_UNDEF; break; 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); /* 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) - r_symndx = 0; + r_symndx = STN_UNDEF; 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; 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 be the tls module base. */ - if (r_symndx == 0 + if (r_symndx == STN_UNDEF && (r_type == R_ALPHA_TLSLDM || r_type == R_ALPHA_GOTTPREL || 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; } else if (info->shared - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) && !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 to relocations against SHN_UNDEF. The .eh_frame format allows 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 + (r_type - R_ALPHA_SREL32 + R_ALPHA_REFLONG)); goto default_reloc; diff --git a/bfd/elf64-hppa.c b/bfd/elf64-hppa.c index ba6b1f84c7..4efab4fc26 100644 --- a/bfd/elf64-hppa.c +++ b/bfd/elf64-hppa.c @@ -2465,7 +2465,7 @@ elf64_hppa_finalize_dynreloc (struct elf_link_hash_entry *eh, static enum elf_reloc_type_class 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; switch ((int) ELF64_R_TYPE (rela->r_info)) diff --git a/bfd/elf64-mips.c b/bfd/elf64-mips.c index bb079cf33e..5001d42315 100644 --- a/bfd/elf64-mips.c +++ b/bfd/elf64-mips.c @@ -2619,7 +2619,7 @@ mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect, default: 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; else { diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c index 2073bdc11d..a4f3064a4f 100644 --- a/bfd/elf64-ppc.c +++ b/bfd/elf64-ppc.c @@ -11668,7 +11668,7 @@ ppc64_elf_relocate_section (bfd *output_bfd, /* Check that tls relocs are used with tls syms, and non-tls relocs are used with non-tls syms. */ - if (r_symndx != 0 + if (r_symndx != STN_UNDEF && r_type != R_PPC64_NONE && (h == NULL || 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) break; if (r_symndx >= symtab_hdr->sh_info) - r_symndx = 0; + r_symndx = STN_UNDEF; 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 + sec->output_offset + sec->output_section->vma); @@ -12025,9 +12025,9 @@ ppc64_elf_relocate_section (bfd *output_bfd, if (local_sections[r_symndx] == sec) break; if (r_symndx >= symtab_hdr->sh_info) - r_symndx = 0; + r_symndx = STN_UNDEF; 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 + sec->output_offset + sec->output_section->vma); @@ -12569,7 +12569,7 @@ ppc64_elf_relocate_section (bfd *output_bfd, case R_PPC64_TOC: /* Relocation value is TOC base. */ relocation = TOCstart; - if (r_symndx == 0) + if (r_symndx == STN_UNDEF) relocation += htab->stub_group[input_section->id].toc_off; else if (unresolved_reloc) ; @@ -12819,7 +12819,7 @@ ppc64_elf_relocate_section (bfd *output_bfd, sym_name); 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) { diff --git a/bfd/elf64-sparc.c b/bfd/elf64-sparc.c index 5a2fda2684..ca692d291d 100644 --- a/bfd/elf64-sparc.c +++ b/bfd/elf64-sparc.c @@ -98,7 +98,7 @@ elf64_sparc_slurp_one_reloc_table (bfd *abfd, asection *asect, else 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; else { diff --git a/bfd/elfcode.h b/bfd/elfcode.h index f7c89263ee..0cd11830bd 100644 --- a/bfd/elfcode.h +++ b/bfd/elfcode.h @@ -1466,7 +1466,7 @@ elf_slurp_reloc_table_from_section (bfd *abfd, else 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; else if (ELF_R_SYM (rela.r_info) > symcount) { diff --git a/bfd/elflink.c b/bfd/elflink.c index bdd69660a5..f4d65991fe 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -2170,7 +2170,7 @@ elf_link_read_relocs_from_section (bfd *abfd, return FALSE; } } - else if (r_symndx != 0) + else if (r_symndx != STN_UNDEF) { (*_bfd_error_handler) (_("%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. */ if ((sec = *ps) != NULL && elf_discarded_section (sec)) { - BFD_ASSERT (r_symndx != 0); + BFD_ASSERT (r_symndx != STN_UNDEF); if (action_discarded & COMPLAIN) (*finfo->info->callbacks->einfo) (_("%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 section of any STT_SECTION symbol against a processor specific section. */ - r_symndx = 0; + r_symndx = STN_UNDEF; if (bfd_is_abs_section (sec)) ; 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)) { r_symndx = osec->target_index; - if (r_symndx == 0) + if (r_symndx == STN_UNDEF) { struct elf_link_hash_table *htab; 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; r_symndx = cookie->rel->r_info >> cookie->r_sym_shift; - if (r_symndx == 0) + if (r_symndx == STN_UNDEF) return NULL; if (r_symndx >= cookie->locsymcount diff --git a/bfd/elfxx-ia64.c b/bfd/elfxx-ia64.c index c8588b9751..d780909838 100644 --- a/bfd/elfxx-ia64.c +++ b/bfd/elfxx-ia64.c @@ -4695,7 +4695,7 @@ elfNN_ia64_relocate_section (bfd *output_bfd, case R_IA64_DIR64LSB: /* Install a dynamic relocation for this reloc. */ if ((dynamic_symbol_p || info->shared) - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0) { unsigned int dyn_r_type; @@ -4924,7 +4924,7 @@ elfNN_ia64_relocate_section (bfd *output_bfd, case R_IA64_PCREL64MSB: case R_IA64_PCREL64LSB: /* 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); diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c index 1ee9289ff8..a32a61371b 100644 --- a/bfd/elfxx-mips.c +++ b/bfd/elfxx-mips.c @@ -5282,7 +5282,7 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd, && h->root.def_dynamic && !h->root.def_regular && !h->has_static_relocs)) - && r_symndx != 0 + && r_symndx != STN_UNDEF && (h == NULL || h->root.root.type != bfd_link_hash_undefweak || 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: if (r_type == R_MIPS_TLS_LDM) { - r_symndx = 0; + r_symndx = STN_UNDEF; h = NULL; } /* Fall through */ @@ -7778,7 +7778,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, } 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, rel->r_addend, @@ -7918,7 +7918,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_MIPS_HIGHEST: /* Don't refuse a high part relocation if it's against no symbol (e.g. part of a compound relocation). */ - if (r_symndx == 0) + if (r_symndx == STN_UNDEF) break; /* R_MIPS_HI16 against _gp_disp is used for $gp setup, -- 2.34.1