diff options
Diffstat (limited to 'bfd/elf-eh-frame.c')
-rw-r--r-- | bfd/elf-eh-frame.c | 117 |
1 files changed, 62 insertions, 55 deletions
diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c index a75d806..24ae741 100644 --- a/bfd/elf-eh-frame.c +++ b/bfd/elf-eh-frame.c @@ -1770,74 +1770,81 @@ _bfd_elf_write_section_eh_frame_hdr (bfd *abfd, struct bfd_link_info *info) struct elf_link_hash_table *htab; struct eh_frame_hdr_info *hdr_info; asection *sec; - bfd_byte *contents; - asection *eh_frame_sec; - bfd_size_type size; - bfd_boolean retval; - bfd_vma encoded_eh_frame; + bfd_boolean retval = TRUE; htab = elf_hash_table (info); hdr_info = &htab->eh_info; sec = hdr_info->hdr_sec; - if (sec == NULL) - return TRUE; - - size = EH_FRAME_HDR_SIZE; - if (hdr_info->array && hdr_info->array_count == hdr_info->fde_count) - size += 4 + hdr_info->fde_count * 8; - contents = (bfd_byte *) bfd_malloc (size); - if (contents == NULL) - return FALSE; - eh_frame_sec = bfd_get_section_by_name (abfd, ".eh_frame"); - if (eh_frame_sec == NULL) + if (info->eh_frame_hdr && sec != NULL) { - free (contents); - return FALSE; - } + bfd_byte *contents; + asection *eh_frame_sec; + bfd_size_type size; + bfd_vma encoded_eh_frame; + + size = EH_FRAME_HDR_SIZE; + if (hdr_info->array && hdr_info->array_count == hdr_info->fde_count) + size += 4 + hdr_info->fde_count * 8; + contents = (bfd_byte *) bfd_malloc (size); + if (contents == NULL) + return FALSE; - memset (contents, 0, EH_FRAME_HDR_SIZE); - contents[0] = 1; /* Version. */ - contents[1] = get_elf_backend_data (abfd)->elf_backend_encode_eh_address - (abfd, info, eh_frame_sec, 0, sec, 4, - &encoded_eh_frame); /* .eh_frame offset. */ + eh_frame_sec = bfd_get_section_by_name (abfd, ".eh_frame"); + if (eh_frame_sec == NULL) + { + free (contents); + return FALSE; + } - if (hdr_info->array && hdr_info->array_count == hdr_info->fde_count) - { - contents[2] = DW_EH_PE_udata4; /* FDE count encoding. */ - contents[3] = DW_EH_PE_datarel | DW_EH_PE_sdata4; /* Search table enc. */ - } - else - { - contents[2] = DW_EH_PE_omit; - contents[3] = DW_EH_PE_omit; - } - bfd_put_32 (abfd, encoded_eh_frame, contents + 4); + memset (contents, 0, EH_FRAME_HDR_SIZE); + /* Version. */ + contents[0] = 1; + /* .eh_frame offset. */ + contents[1] = get_elf_backend_data (abfd)->elf_backend_encode_eh_address + (abfd, info, eh_frame_sec, 0, sec, 4, &encoded_eh_frame); - if (contents[2] != DW_EH_PE_omit) - { - unsigned int i; + if (hdr_info->array && hdr_info->array_count == hdr_info->fde_count) + { + /* FDE count encoding. */ + contents[2] = DW_EH_PE_udata4; + /* Search table encoding. */ + contents[3] = DW_EH_PE_datarel | DW_EH_PE_sdata4; + } + else + { + contents[2] = DW_EH_PE_omit; + contents[3] = DW_EH_PE_omit; + } + bfd_put_32 (abfd, encoded_eh_frame, contents + 4); - bfd_put_32 (abfd, hdr_info->fde_count, contents + EH_FRAME_HDR_SIZE); - qsort (hdr_info->array, hdr_info->fde_count, sizeof (*hdr_info->array), - vma_compare); - for (i = 0; i < hdr_info->fde_count; i++) + if (contents[2] != DW_EH_PE_omit) { - bfd_put_32 (abfd, - hdr_info->array[i].initial_loc - - sec->output_section->vma, - contents + EH_FRAME_HDR_SIZE + i * 8 + 4); - bfd_put_32 (abfd, - hdr_info->array[i].fde - sec->output_section->vma, - contents + EH_FRAME_HDR_SIZE + i * 8 + 8); + unsigned int i; + + bfd_put_32 (abfd, hdr_info->fde_count, contents + EH_FRAME_HDR_SIZE); + qsort (hdr_info->array, hdr_info->fde_count, + sizeof (*hdr_info->array), vma_compare); + for (i = 0; i < hdr_info->fde_count; i++) + { + bfd_put_32 (abfd, + hdr_info->array[i].initial_loc + - sec->output_section->vma, + contents + EH_FRAME_HDR_SIZE + i * 8 + 4); + bfd_put_32 (abfd, + hdr_info->array[i].fde - sec->output_section->vma, + contents + EH_FRAME_HDR_SIZE + i * 8 + 8); + } } - } - /* FIXME: octets_per_byte. */ - retval = bfd_set_section_contents (abfd, sec->output_section, - contents, (file_ptr) sec->output_offset, - sec->size); - free (contents); + /* FIXME: octets_per_byte. */ + retval = bfd_set_section_contents (abfd, sec->output_section, contents, + (file_ptr) sec->output_offset, + sec->size); + free (contents); + } + if (hdr_info->array != NULL) + free (hdr_info->array); return retval; } |