diff options
Diffstat (limited to 'bfd/coff-mips.c')
| -rw-r--r-- | bfd/coff-mips.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/bfd/coff-mips.c b/bfd/coff-mips.c index d6d8218..a5ad65a 100644 --- a/bfd/coff-mips.c +++ b/bfd/coff-mips.c @@ -2323,132 +2323,6 @@ mips_relax_pcrel16 (info, input_bfd, input_section, h, location, address) return TRUE; } - -/* Given a .sdata section and a .rel.sdata in-memory section, store - relocation information into the .rel.sdata section which can be - used at runtime to relocate the 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. This - function presumes that the object was compiled using - -membedded-pic. */ - -bfd_boolean -bfd_mips_ecoff_create_embedded_relocs (abfd, info, datasec, relsec, errmsg) - bfd *abfd; - struct bfd_link_info *info; - asection *datasec; - asection *relsec; - char **errmsg; -{ - struct ecoff_link_hash_entry **sym_hashes; - struct ecoff_section_tdata *section_tdata; - struct external_reloc *ext_rel; - struct external_reloc *ext_rel_end; - bfd_byte *p; - bfd_size_type amt; - - BFD_ASSERT (! info->relocatable); - - *errmsg = NULL; - - if (datasec->reloc_count == 0) - return TRUE; - - sym_hashes = ecoff_data (abfd)->sym_hashes; - - if (! mips_read_relocs (abfd, datasec)) - return FALSE; - - amt = (bfd_size_type) datasec->reloc_count * 4; - relsec->contents = (bfd_byte *) bfd_alloc (abfd, amt); - if (relsec->contents == NULL) - return FALSE; - - p = relsec->contents; - - section_tdata = ecoff_section_data (abfd, datasec); - ext_rel = (struct external_reloc *) section_tdata->external_relocs; - ext_rel_end = ext_rel + datasec->reloc_count; - for (; ext_rel < ext_rel_end; ext_rel++, p += 4) - { - struct internal_reloc int_rel; - bfd_boolean text_relative; - - mips_ecoff_swap_reloc_in (abfd, (PTR) ext_rel, &int_rel); - - /* We are going to write a four byte word into the runtime reloc - section. The word will be the address in the data section - which must be relocated. This must be on a word boundary, - which means the lower two bits must be zero. We use the - least significant bit to indicate how the value in the data - section must be relocated. A 0 means that the value is - relative to the text section, while a 1 indicates that the - value is relative to the data section. Given that we are - assuming the code was compiled using -membedded-pic, there - should not be any other possibilities. */ - - /* We can only relocate REFWORD relocs at run time. */ - if (int_rel.r_type != MIPS_R_REFWORD) - { - *errmsg = _("unsupported reloc type"); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - if (int_rel.r_extern) - { - struct ecoff_link_hash_entry *h; - - h = sym_hashes[int_rel.r_symndx]; - /* If h is NULL, that means that there is a reloc against an - external symbol which we thought was just a debugging - symbol. This should not happen. */ - if (h == (struct ecoff_link_hash_entry *) NULL) - abort (); - if ((h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - && (h->root.u.def.section->flags & SEC_CODE) != 0) - text_relative = TRUE; - else - text_relative = FALSE; - } - else - { - switch (int_rel.r_symndx) - { - case RELOC_SECTION_TEXT: - text_relative = TRUE; - break; - case RELOC_SECTION_SDATA: - case RELOC_SECTION_SBSS: - case RELOC_SECTION_LIT8: - text_relative = FALSE; - break; - default: - /* No other sections should appear in -membedded-pic - code. */ - *errmsg = _("reloc against unsupported section"); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - } - - if ((int_rel.r_offset & 3) != 0) - { - *errmsg = _("reloc not properly aligned"); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - bfd_put_32 (abfd, - (int_rel.r_vaddr - datasec->vma + datasec->output_offset - + (text_relative ? 0 : 1)), - p); - } - - return TRUE; -} /* This is the ECOFF backend structure. The backend field of the target vector points to this. */ |