diff options
Diffstat (limited to 'ld/emultempl/elf32.em')
| -rw-r--r-- | ld/emultempl/elf32.em | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em index 007e48d..3442c95 100644 --- a/ld/emultempl/elf32.em +++ b/ld/emultempl/elf32.em @@ -2093,6 +2093,47 @@ gld${EMULATION_NAME}_place_orphan (asection *s, } } + if (!bfd_link_relocatable (&link_info) + && (s->flags & SEC_ALLOC) != 0 + && (elf_section_flags (s) & SHF_GNU_MBIND) != 0) + { + /* Find the output mbind section with the same type, attributes + and sh_info field. */ + for (os = &lang_output_section_statement.head->output_section_statement; + os != NULL; + os = os->next) + if (os->bfd_section != NULL + && !bfd_is_abs_section (os->bfd_section) + && (elf_section_flags (os->bfd_section) & SHF_GNU_MBIND) != 0 + && ((s->flags & (SEC_ALLOC + | SEC_LOAD + | SEC_HAS_CONTENTS + | SEC_READONLY + | SEC_CODE)) + == (os->bfd_section->flags & (SEC_ALLOC + | SEC_LOAD + | SEC_HAS_CONTENTS + | SEC_READONLY + | SEC_CODE))) + && (elf_section_data (os->bfd_section)->this_hdr.sh_info + == elf_section_data (s)->this_hdr.sh_info)) + { + lang_add_section (&os->children, s, NULL, os); + return os; + } + + /* Create the output mbind section with the ".mbind." prefix + in section name. */ + if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) + secname = ".mbind.bss"; + else if ((s->flags & SEC_READONLY) == 0) + secname = ".mbind.data"; + else if ((s->flags & SEC_CODE) == 0) + secname = ".mbind.rodata"; + else + secname = ".mbind.text"; + } + /* Look through the script to see where to place this section. */ if (constraint == 0) for (os = lang_output_section_find (secname); @@ -2105,8 +2146,11 @@ gld${EMULATION_NAME}_place_orphan (asection *s, /* SEC_EXCLUDE is cleared when doing a relocatable link. But we can't merge 2 input sections with the same name when only - one of them has SHF_EXCLUDE. */ + one of them has SHF_EXCLUDE. Don't merge 2 sections with + different sh_info. */ if (os->bfd_section != NULL + && (elf_section_data (os->bfd_section)->this_hdr.sh_info + == elf_section_data (s)->this_hdr.sh_info) && (os->bfd_section->flags == 0 || ((!bfd_link_relocatable (&link_info) || (iself && (((elf_section_flags (s) |