diff options
Diffstat (limited to 'bfd/elfxx-x86.c')
| -rw-r--r-- | bfd/elfxx-x86.c | 85 |
1 files changed, 83 insertions, 2 deletions
diff --git a/bfd/elfxx-x86.c b/bfd/elfxx-x86.c index 1c8380d..ccd6e10 100644 --- a/bfd/elfxx-x86.c +++ b/bfd/elfxx-x86.c @@ -19,6 +19,16 @@ MA 02110-1301, USA. */ #include "elfxx-x86.h" +#include "objalloc.h" +#include "elf/i386.h" +#include "elf/x86-64.h" + +/* The name of the dynamic interpreter. This is put in the .interp + section. */ + +#define ELF32_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" +#define ELF64_DYNAMIC_INTERPRETER "/lib/ld64.so.1" +#define ELFX32_DYNAMIC_INTERPRETER "/lib/ldx32.so.1" /* _TLS_MODULE_BASE_ needs to be treated especially when linking executables. Rather than setting it to the beginning of the TLS @@ -217,8 +227,8 @@ _bfd_x86_elf_local_htab_eq (const void *ptr1, const void *ptr2) /* Destroy an x86 ELF linker hash table. */ -void -_bfd_x86_elf_link_hash_table_free (bfd *obfd) +static void +elf_x86_link_hash_table_free (bfd *obfd) { struct elf_x86_link_hash_table *htab = (struct elf_x86_link_hash_table *) obfd->link.hash; @@ -230,6 +240,77 @@ _bfd_x86_elf_link_hash_table_free (bfd *obfd) _bfd_elf_link_hash_table_free (obfd); } +/* Create an x86 ELF linker hash table. */ + +struct bfd_link_hash_table * +_bfd_x86_elf_link_hash_table_create (bfd *abfd) +{ + struct elf_x86_link_hash_table *ret; + const struct elf_backend_data *bed; + bfd_size_type amt = sizeof (struct elf_x86_link_hash_table); + + ret = (struct elf_x86_link_hash_table *) bfd_zmalloc (amt); + if (ret == NULL) + return NULL; + + bed = get_elf_backend_data (abfd); + if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, + _bfd_x86_elf_link_hash_newfunc, + sizeof (struct elf_x86_link_hash_entry), + bed->target_id)) + { + free (ret); + return NULL; + } + +#ifdef BFD64 + if (ABI_64_P (abfd)) + { + ret->r_info = elf64_r_info; + ret->r_sym = elf64_r_sym; + ret->pointer_r_type = R_X86_64_64; + ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER; + ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER; + ret->tls_get_addr = "__tls_get_addr"; + } + else +#endif + { + ret->r_info = elf32_r_info; + ret->r_sym = elf32_r_sym; + if (bed->elf_machine_code == EM_X86_64) + { + ret->pointer_r_type = R_X86_64_32; + ret->dynamic_interpreter = ELFX32_DYNAMIC_INTERPRETER; + ret->dynamic_interpreter_size + = sizeof ELFX32_DYNAMIC_INTERPRETER; + ret->tls_get_addr = "__tls_get_addr"; + } + else + { + ret->pointer_r_type = R_386_32; + ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER; + ret->dynamic_interpreter_size + = sizeof ELF32_DYNAMIC_INTERPRETER; + ret->tls_get_addr = "___tls_get_addr"; + } + } + + ret->loc_hash_table = htab_try_create (1024, + _bfd_x86_elf_local_htab_hash, + _bfd_x86_elf_local_htab_eq, + NULL); + ret->loc_hash_memory = objalloc_create (); + if (!ret->loc_hash_table || !ret->loc_hash_memory) + { + elf_x86_link_hash_table_free (abfd); + return NULL; + } + ret->elf.root.hash_table_free = elf_x86_link_hash_table_free; + + return &ret->elf.root; +} + /* Sort relocs into address order. */ int |