diff options
Diffstat (limited to 'bfd/elf.c')
| -rw-r--r-- | bfd/elf.c | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -206,6 +206,21 @@ bfd_elf_hash (const char *namearg) return h & 0xffffffff; } +/* DT_GNU_HASH hash function. Do not change this function; you will + cause invalid hash tables to be generated. */ + +unsigned long +bfd_elf_gnu_hash (const char *namearg) +{ + const unsigned char *name = (const unsigned char *) namearg; + unsigned long h = 5381; + unsigned char ch; + + while ((ch = *name++) != '\0') + h = (h << 5) + h + ch; + return h & 0xffffffff; +} + bfd_boolean bfd_elf_mkobject (bfd *abfd) { @@ -1240,6 +1255,7 @@ _bfd_elf_print_private_bfd_data (bfd *abfd, void *farg) case DT_AUXILIARY: name = "AUXILIARY"; stringp = TRUE; break; case DT_USED: name = "USED"; break; case DT_FILTER: name = "FILTER"; stringp = TRUE; break; + case DT_GNU_HASH: name = "GNU_HASH"; break; } fprintf (f, " %-11s ", name); @@ -1824,6 +1840,7 @@ bfd_section_from_shdr (bfd *abfd, unsigned int shindex) case SHT_FINI_ARRAY: /* .fini_array section. */ case SHT_PREINIT_ARRAY: /* .preinit_array section. */ case SHT_GNU_LIBLIST: /* .gnu.liblist section. */ + case SHT_GNU_HASH: /* .gnu.hash section. */ return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); case SHT_DYNAMIC: /* Dynamic linking information. */ @@ -2296,6 +2313,7 @@ static const struct bfd_elf_special_section special_sections_g[] = { ".gnu.version_r", 14, 0, SHT_GNU_verneed, 0 }, { ".gnu.liblist", 12, 0, SHT_GNU_LIBLIST, SHF_ALLOC }, { ".gnu.conflict", 13, 0, SHT_RELA, SHF_ALLOC }, + { ".gnu.hash", 9, 0, SHT_GNU_HASH, SHF_ALLOC }, { NULL, 0, 0, 0, 0 } }; @@ -2812,6 +2830,10 @@ elf_fake_sections (bfd *abfd, asection *asect, void *failedptrarg) case SHT_GROUP: this_hdr->sh_entsize = 4; break; + + case SHT_GNU_HASH: + this_hdr->sh_entsize = bed->s->arch_size == 64 ? 0 : 4; + break; } if ((asect->flags & SEC_ALLOC) != 0) @@ -3257,6 +3279,7 @@ assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info) break; case SHT_HASH: + case SHT_GNU_HASH: case SHT_GNU_versym: /* sh_link is the section header index of the symbol table this hash table or version table is for. */ |