diff options
Diffstat (limited to 'ld/emultempl')
| -rw-r--r-- | ld/emultempl/armelf.em | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/ld/emultempl/armelf.em b/ld/emultempl/armelf.em index 2f0c3af..2d63a63 100644 --- a/ld/emultempl/armelf.em +++ b/ld/emultempl/armelf.em @@ -258,10 +258,78 @@ build_section_lists (lang_statement_union_type *statement) } } +static int +compare_output_sec_vma (const void *a, const void *b) +{ + asection *asec = *(asection **) a, *bsec = *(asection **) b; + asection *aout = asec->output_section, *bout = bsec->output_section; + bfd_vma avma, bvma; + + /* If there's no output section for some reason, compare equal. */ + if (!aout || !bout) + return 0; + + avma = aout->vma + asec->output_offset; + bvma = bout->vma + bsec->output_offset; + + if (avma > bvma) + return 1; + else if (avma < bvma) + return -1; + + return 0; +} + static void gld${EMULATION_NAME}_finish (void) { struct bfd_link_hash_entry * h; + unsigned int list_size = 10; + asection **sec_list = xmalloc (list_size * sizeof (asection *)); + unsigned int sec_count = 0; + + if (!link_info.relocatable) + { + /* Build a sorted list of input text sections, then use that to process + the unwind table index. */ + LANG_FOR_EACH_INPUT_STATEMENT (is) + { + bfd *abfd = is->the_bfd; + asection *sec; + + if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0) + continue; + + for (sec = abfd->sections; sec != NULL; sec = sec->next) + { + asection *out_sec = sec->output_section; + + if (out_sec + && elf_section_type (sec) == SHT_PROGBITS + && (elf_section_flags (sec) & SHF_EXECINSTR) != 0 + && (sec->flags & SEC_EXCLUDE) == 0 + && sec->sec_info_type != ELF_INFO_TYPE_JUST_SYMS + && out_sec != bfd_abs_section_ptr) + { + if (sec_count == list_size) + { + list_size *= 2; + sec_list = xrealloc (sec_list, + list_size * sizeof (asection *)); + } + + sec_list[sec_count++] = sec; + } + } + } + + qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma); + + if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info)) + need_laying_out = 1; + + free (sec_list); + } /* bfd_elf32_discard_info just plays with debugging sections, ie. doesn't affect any code, so we can delay resizing the |