diff options
Diffstat (limited to 'bfd/elflink.c')
| -rw-r--r-- | bfd/elflink.c | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c index 127f002..a065dca 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -6346,22 +6346,32 @@ elf_link_output_extsym (struct elf_link_hash_entry *h, void *data) bed = get_elf_backend_data (finfo->output_bfd); - /* If we have an undefined symbol reference here then it must have - come from a shared library that is being linked in. (Undefined - references in regular files have already been handled). If we - are reporting errors for this situation then do so now. */ - if (h->root.type == bfd_link_hash_undefined - && h->ref_dynamic - && !h->ref_regular - && ! elf_link_check_versioned_symbol (finfo->info, bed, h) - && finfo->info->unresolved_syms_in_shared_libs != RM_IGNORE) - { - if (! ((*finfo->info->callbacks->undefined_symbol) - (finfo->info, h->root.root.string, h->root.u.undef.abfd, - NULL, 0, finfo->info->unresolved_syms_in_shared_libs == RM_GENERATE_ERROR))) - { - eoinfo->failed = TRUE; - return FALSE; + if (h->root.type == bfd_link_hash_undefined) + { + /* If we have an undefined symbol reference here then it must have + come from a shared library that is being linked in. (Undefined + references in regular files have already been handled). */ + bfd_boolean ignore_undef = FALSE; + + /* Some symbols may be special in that the fact that they're + undefined can be safely ignored - let backend determine that. */ + if (bed->elf_backend_ignore_undef_symbol) + ignore_undef = bed->elf_backend_ignore_undef_symbol (h); + + /* If we are reporting errors for this situation then do so now. */ + if (ignore_undef == FALSE + && h->ref_dynamic + && ! h->ref_regular + && ! elf_link_check_versioned_symbol (finfo->info, bed, h) + && finfo->info->unresolved_syms_in_shared_libs != RM_IGNORE) + { + if (! (finfo->info->callbacks->undefined_symbol + (finfo->info, h->root.root.string, h->root.u.undef.abfd, + NULL, 0, finfo->info->unresolved_syms_in_shared_libs == RM_GENERATE_ERROR))) + { + eoinfo->failed = TRUE; + return FALSE; + } } } |