diff options
Diffstat (limited to 'bfd/elf32-cris.c')
| -rw-r--r-- | bfd/elf32-cris.c | 111 |
1 files changed, 41 insertions, 70 deletions
diff --git a/bfd/elf32-cris.c b/bfd/elf32-cris.c index 4618a8f..d630a2a 100644 --- a/bfd/elf32-cris.c +++ b/bfd/elf32-cris.c @@ -856,24 +856,12 @@ cris_elf_relocate_section (output_bfd, info, input_bfd, input_section, } else { - /* It seems this can happen with erroneous or unsupported input - (mixing a.out and elf in an archive, for example.) */ - if (sym_hashes == NULL) - return FALSE; - - 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; + bfd_boolean warned; + bfd_boolean unresolved_reloc; - symname = h->root.root.string; - - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - sec = h->root.u.def.section; + RELOC_FOR_GLOBAL_SYMBOL (h, sym_hashes, r_symndx, symtab_hdr, relocation, sec, unresolved_reloc, info, warned); + if (unresolved_reloc /* Perhaps we should detect the cases that sec->output_section is expected to be NULL like i386 and m68k, but apparently (and according to elfxx-ia64.c) all @@ -888,46 +876,45 @@ cris_elf_relocate_section (output_bfd, info, input_bfd, input_section, is *not* dynamically linked against. Thus this will automatically remind us so we can see if there are other valid cases we need to revisit. */ - if ((sec->output_section == NULL - && (sec->owner->flags & DYNAMIC) != 0) - - /* Here follow the cases where the relocation value must - be zero (or when further handling is simplified when - zero). I can't claim to understand the various - conditions and they weren't described in the files - where I copied them from (elf32-m68k.c and - elf32-i386.c), but let's mention examples of where - they happen. FIXME: Perhaps define and use a - dynamic_symbol_p function like ia64. - - - When creating a shared library, we can have an - ordinary relocation for a symbol defined in a shared - library (perhaps the one we create). We then make - the relocation value zero, as the value seen now will - be added into the relocation addend in this shared - library, but must be handled only at dynamic-link - time. FIXME: Not sure this example covers the - h->elf_link_hash_flags test, though it's there in - other targets. */ - || (info->shared - && ((! info->symbolic && h->dynindx != -1) - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0) - && (input_section->flags & SEC_ALLOC) != 0 - && (r_type == R_CRIS_8 - || r_type == R_CRIS_16 - || r_type == R_CRIS_32 - || r_type == R_CRIS_8_PCREL - || r_type == R_CRIS_16_PCREL - || r_type == R_CRIS_32_PCREL))) + && (sec->owner->flags & DYNAMIC) != 0) + relocation = 0; + + else if (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + { + /* Here follow the cases where the relocation value must + be zero (or when further handling is simplified when + zero). I can't claim to understand the various + conditions and they weren't described in the files + where I copied them from (elf32-m68k.c and + elf32-i386.c), but let's mention examples of where + they happen. FIXME: Perhaps define and use a + dynamic_symbol_p function like ia64. + + - When creating a shared library, we can have an + ordinary relocation for a symbol defined in a shared + library (perhaps the one we create). We then make + the relocation value zero, as the value seen now will + be added into the relocation addend in this shared + library, but must be handled only at dynamic-link + time. FIXME: Not sure this example covers the + h->elf_link_hash_flags test, though it's there in + other targets. */ + if (info->shared + && ((! info->symbolic && h->dynindx != -1) + || (h->elf_link_hash_flags + & ELF_LINK_HASH_DEF_REGULAR) == 0) + && (input_section->flags & SEC_ALLOC) != 0 + && (r_type == R_CRIS_8 + || r_type == R_CRIS_16 + || r_type == R_CRIS_32 + || r_type == R_CRIS_8_PCREL + || r_type == R_CRIS_16_PCREL + || r_type == R_CRIS_32_PCREL)) relocation = 0; - else if (sec->output_section != NULL) - relocation = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - else + else if (unresolved_reloc) { - (*_bfd_error_handler) + _bfd_error_handler (_("%s: unresolvable relocation %s against symbol `%s' from %s section"), bfd_archive_filename (input_bfd), cris_elf_howto_table[r_type].name, @@ -937,22 +924,6 @@ cris_elf_relocate_section (output_bfd, info, input_bfd, input_section, return FALSE; } } - else if (h->root.type == bfd_link_hash_undefweak) - relocation = 0; - else if (info->shared - && !info->no_undefined - && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) - relocation = 0; - else - { - if (!(info->callbacks->undefined_symbol - (info, symname, input_bfd, - input_section, rel->r_offset, - (!info->shared || info->no_undefined - || ELF_ST_VISIBILITY (h->other))))) - return FALSE; - relocation = 0; - } } switch (r_type) |