diff options
Diffstat (limited to 'bfd/elf.c')
-rw-r--r-- | bfd/elf.c | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -3870,6 +3870,43 @@ sym_is_global (bfd *abfd, asymbol *sym) || bfd_is_com_section (bfd_get_section (sym))); } +/* Filter global symbols of ABFD to include in the import library. All + SYMCOUNT symbols of ABFD can be examined from their pointers in + SYMS. Pointers of symbols to keep should be stored contiguously at + the beginning of that array. + + Returns the number of symbols to keep. */ + +unsigned int +_bfd_elf_filter_global_symbols (bfd *abfd, struct bfd_link_info *info, + asymbol **syms, long symcount) +{ + long src_count, dst_count = 0; + + for (src_count = 0; src_count < symcount; src_count++) + { + asymbol *sym = syms[src_count]; + char *name = (char *) bfd_asymbol_name (sym); + struct bfd_link_hash_entry *h; + + if (!sym_is_global (abfd, sym)) + continue; + + h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, FALSE); + if (h->type != bfd_link_hash_defined && h->type != bfd_link_hash_defweak) + continue; + + if (h->linker_def || h->ldscript_def) + continue; + + syms[dst_count++] = sym; + } + + syms[dst_count] = NULL; + + return dst_count; +} + /* Don't output section symbols for sections that are not going to be output, that are duplicates or there is no BFD section. */ |