diff options
Diffstat (limited to 'bfd/elf32-i386.c')
| -rw-r--r-- | bfd/elf32-i386.c | 37 |
1 files changed, 14 insertions, 23 deletions
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index 320e9859839..cfcb7b34c19 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -1390,11 +1390,9 @@ elf_i386_adjust_dynamic_symbol (info, h) || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0) { if (h->plt.refcount <= 0 - || (! info->shared - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0 - && h->root.type != bfd_link_hash_undefweak - && h->root.type != bfd_link_hash_undefined)) + || SYMBOL_CALLS_LOCAL (info, h) + || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT + && h->root.type == bfd_link_hash_undefweak)) { /* This case can occur if we saw a PLT32 reloc in an input file, but the symbol was never referred to by a dynamic @@ -1558,9 +1556,7 @@ allocate_dynrelocs (h, inf) htab = elf_i386_hash_table (info); if (htab->elf.dynamic_sections_created - && h->plt.refcount > 0 - && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT - || h->root.type != bfd_link_hash_undefweak)) + && h->plt.refcount > 0) { /* Make sure this symbol is output as a dynamic symbol. Undefined weak syms won't yet be marked as dynamic. */ @@ -1679,9 +1675,13 @@ allocate_dynrelocs (h, inf) if (info->shared) { - if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0 - && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0 - || info->symbolic)) + /* The only reloc that uses pc_count is R_386_PC32, which will + appear on a call or on something like ".long foo - .". We + want calls to protected symbols to resolve directly to the + function rather than going via the plt. If people want + function pointer comparisons to work as expected then they + should avoid writing assembly like ".long foo - .". */ + if (SYMBOL_CALLS_LOCAL (info, h)) { struct elf_i386_dyn_relocs **pp; @@ -2305,10 +2305,7 @@ elf_i386_relocate_section (output_bfd, info, input_bfd, input_section, dyn = htab->elf.dynamic_sections_created; if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) || (info->shared - && (info->symbolic - || h->dynindx == -1 - || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)) - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) + && SYMBOL_REFERENCES_LOCAL (info, h)) || (ELF_ST_VISIBILITY (h->other) && h->root.type == bfd_link_hash_undefweak)) { @@ -2439,10 +2436,7 @@ elf_i386_relocate_section (output_bfd, info, input_bfd, input_section, || h->root.type != bfd_link_hash_undefweak) && (r_type != R_386_PC32 || (h != NULL - && h->dynindx != -1 - && (! info->symbolic - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)))) + && !SYMBOL_CALLS_LOCAL (info, h)))) || (ELIMINATE_COPY_RELOCS && !info->shared && h != NULL @@ -3172,10 +3166,7 @@ elf_i386_finish_dynamic_symbol (output_bfd, info, h, sym) The entry in the global offset table will already have been initialized in the relocate_section function. */ if (info->shared - && (info->symbolic - || h->dynindx == -1 - || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)) - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) + && SYMBOL_REFERENCES_LOCAL (info, h)) { BFD_ASSERT((h->got.offset & 1) != 0); rel.r_info = ELF32_R_INFO (0, R_386_RELATIVE); |