diff options
Diffstat (limited to 'bfd/elflink.c')
| -rw-r--r-- | bfd/elflink.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c index 4ef0739..20cee4c 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -10900,6 +10900,7 @@ elf_section_ignore_discarded_relocs (asection *sec) case SEC_INFO_TYPE_STABS: case SEC_INFO_TYPE_EH_FRAME: case SEC_INFO_TYPE_EH_FRAME_ENTRY: + case SEC_INFO_TYPE_SFRAME: return true; default: break; @@ -10938,6 +10939,9 @@ _bfd_elf_default_action_discarded (asection *sec) && strncmp (sec->name, ".eh_frame.", 10) == 0) return 0; + if (strcmp (".sframe", sec->name) == 0) + return 0; + if (strcmp (".gcc_except_table", sec->name) == 0) return 0; @@ -11871,6 +11875,16 @@ elf_link_input_bfd (struct elf_final_link_info *flinfo, bfd *input_bfd) return false; } break; + case SEC_INFO_TYPE_SFRAME: + { + /* Merge .sframe sections into the ctf frame encoder + context of the output_bfd's section. The final .sframe + output section will be written out later. */ + if (!_bfd_elf_merge_section_sframe (output_bfd, flinfo->info, + o, contents)) + return false; + } + break; default: { if (! (o->flags & SEC_EXCLUDE)) @@ -13454,6 +13468,9 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info) if (! _bfd_elf_write_section_eh_frame_hdr (abfd, info)) goto error_return; + if (! _bfd_elf_write_section_sframe (abfd, info)) + goto error_return; + if (info->callbacks->emit_ctf) info->callbacks->emit_ctf (); @@ -14909,6 +14926,41 @@ bfd_elf_discard_info (bfd *output_bfd, struct bfd_link_info *info) _bfd_elf_adjust_eh_frame_global_symbol, NULL); } + o = bfd_get_section_by_name (output_bfd, ".sframe"); + if (o != NULL) + { + asection *i; + + for (i = o->map_head.s; i != NULL; i = i->map_head.s) + { + if (i->size == 0) + continue; + + abfd = i->owner; + if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) + continue; + + if (!init_reloc_cookie_for_section (&cookie, info, i)) + return -1; + + if (_bfd_elf_parse_sframe (abfd, info, i, &cookie)) + { + if (_bfd_elf_discard_section_sframe (i, + bfd_elf_reloc_symbol_deleted_p, + &cookie)) + { + if (i->size != i->rawsize) + changed = 1; + } + } + fini_reloc_cookie_for_section (&cookie, i); + } + /* Update the reference to the output .sframe section. Used to + determine later if PT_GNU_SFRAME segment is to be generated. */ + if (!_bfd_elf_set_section_sframe (output_bfd, info)) + return -1; + } + for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link.next) { const struct elf_backend_data *bed; |