diff options
Diffstat (limited to 'bfd/elf32-mips.c')
| -rw-r--r-- | bfd/elf32-mips.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c index a0480f0..2f6f436 100644 --- a/bfd/elf32-mips.c +++ b/bfd/elf32-mips.c @@ -1335,139 +1335,6 @@ elf32_mips_irix_compat (bfd *abfd) return ict_none; } -/* Given a data section and an in-memory embedded reloc section, store - relocation information into the embedded reloc section which can be - used at runtime to relocate the data section. This is called by the - linker when the --embedded-relocs switch is used. This is called - after the add_symbols entry point has been called for all the - objects, and before the final_link entry point is called. */ - -bfd_boolean -bfd_mips_elf32_create_embedded_relocs (bfd *abfd, struct bfd_link_info *info, - asection *datasec, asection *relsec, - char **errmsg) -{ - Elf_Internal_Shdr *symtab_hdr; - Elf_Internal_Sym *isymbuf = NULL; - Elf_Internal_Rela *internal_relocs = NULL; - Elf_Internal_Rela *irel, *irelend; - bfd_byte *p; - - BFD_ASSERT (! info->relocatable); - - *errmsg = NULL; - - if (datasec->reloc_count == 0) - return TRUE; - - /* Read this BFD's symbols if we haven't done so already, or get the cached - copy if it exists. */ - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - if (symtab_hdr->sh_info != 0) - { - isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; - if (isymbuf == NULL) - isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, - symtab_hdr->sh_info, 0, - NULL, NULL, NULL); - if (isymbuf == NULL) - goto error_return; - } - - /* Get a copy of the native relocations. */ - internal_relocs = _bfd_elf_link_read_relocs (abfd, datasec, NULL, NULL, - info->keep_memory); - if (internal_relocs == NULL) - goto error_return; - - relsec->contents = bfd_alloc (abfd, datasec->reloc_count * 12); - if (relsec->contents == NULL) - goto error_return; - - p = relsec->contents; - - irelend = internal_relocs + datasec->reloc_count; - - for (irel = internal_relocs; irel < irelend; irel++, p += 12) - { - asection *targetsec; - - /* We are going to write a four byte longword into the runtime - reloc section. The longword will be the address in the data - section which must be relocated. It is followed by the name - of the target section NUL-padded or truncated to 8 - characters. */ - - /* We can only relocate absolute longword relocs at run time. */ - if ((ELF32_R_TYPE (irel->r_info) != (int) R_MIPS_32) && - (ELF32_R_TYPE (irel->r_info) != (int) R_MIPS_64)) - { - *errmsg = _("unsupported reloc type"); - bfd_set_error (bfd_error_bad_value); - goto error_return; - } - /* Get the target section referred to by the reloc. */ - if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info) - { - Elf_Internal_Sym *isym; - - /* A local symbol. */ - isym = isymbuf + ELF32_R_SYM (irel->r_info); - targetsec = bfd_section_from_elf_index (abfd, isym->st_shndx); - } - else - { - unsigned long indx; - struct elf_link_hash_entry *h; - - /* An external symbol. */ - indx = ELF32_R_SYM (irel->r_info); - h = elf_sym_hashes (abfd)[indx]; - targetsec = NULL; - /* - For some reason, in certain programs, the symbol will - not be in the hash table. It seems to happen when you - declare a static table of pointers to const external structures. - In this case, the relocs are relative to data, not - text, so just treating it like an undefined link - should be sufficient. */ - BFD_ASSERT(h != NULL); - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - targetsec = h->root.u.def.section; - } - - - /* - Set the low bit of the relocation offset if it's a MIPS64 reloc. - Relocations will always be on (at least) 32-bit boundaries. */ - - bfd_put_32 (abfd, ((irel->r_offset + datasec->output_offset) + - ((ELF32_R_TYPE (irel->r_info) == (int) R_MIPS_64) ? 1 : 0)), - p); - memset (p + 4, 0, 8); - if (targetsec != NULL) - strncpy (p + 4, targetsec->output_section->name, 8); - } - - if (internal_relocs != NULL - && elf_section_data (datasec)->relocs != internal_relocs) - free (internal_relocs); - if (isymbuf != NULL - && symtab_hdr->contents != (unsigned char *) isymbuf) - free (isymbuf); - return TRUE; - - error_return: - if (internal_relocs != NULL - && elf_section_data (datasec)->relocs != internal_relocs) - free (internal_relocs); - if (isymbuf != NULL - && symtab_hdr->contents != (unsigned char *) isymbuf) - free (isymbuf); - return FALSE; -} - /* ECOFF swapping routines. These are used when dealing with the .mdebug section, which is in the ECOFF debugging format. */ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { |