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| author | Jakub Jelinek <jakub@redhat.com> | 2003-06-03 22:27:24 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2003-06-03 22:27:24 +0000 |
| commit | 9ee5e4996f81ebf9c9febba19df86d9072313343 (patch) | |
| tree | 7f938d499771d165d2820e2ad589d1c7844c2990 /bfd/elf.c | |
| parent | 65982ba6e7c672622ff83141c1c7f563f0427132 (diff) | |
| download | gdb-9ee5e4996f81ebf9c9febba19df86d9072313343.zip gdb-9ee5e4996f81ebf9c9febba19df86d9072313343.tar.gz gdb-9ee5e4996f81ebf9c9febba19df86d9072313343.tar.bz2 | |
binutils/
* readelf.c (get_segment_type): Handle PT_GNU_STACK.
bfd/
* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_STACK.
(bfd_section_from_phdr): Likewise.
(map_sections_to_segments): Create PT_GNU_STACK segment header.
(get_program_header_size): Count with PT_GNU_STACK.
* elf-bfd.h (struct elf_obj_tdata): Add stack_flags.
* elflink.h (bfd_elfNN_size_dynamic_sections): Set stack_flags.
include/
* bfdlink.h (struct bfd_link_info): Add execstack and noexecstack.
* elf/common.h (PT_GNU_STACK): Define.
ld/
* ldgram.y (phdr_type): Grok PT_GNU_STACK.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Add
-z execstack and -z noexecstack.
(gld${EMULATION_NAME}_list_options): Likewise.
* scripttempl/elf.sc: If not -r, discard .note.GNU-stack section.
Diffstat (limited to 'bfd/elf.c')
| -rw-r--r-- | bfd/elf.c | 25 |
1 files changed, 25 insertions, 0 deletions
@@ -1070,6 +1070,7 @@ _bfd_elf_print_private_bfd_data (abfd, farg) case PT_PHDR: pt = "PHDR"; break; case PT_TLS: pt = "TLS"; break; case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break; + case PT_GNU_STACK: pt = "STACK"; break; default: sprintf (buf, "0x%lx", p->p_type); pt = buf; break; } fprintf (f, "%8s off 0x", pt); @@ -2296,6 +2297,9 @@ bfd_section_from_phdr (abfd, hdr, index) return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "eh_frame_hdr"); + case PT_GNU_STACK: + return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "stack"); + default: /* Check for any processor-specific program segment types. If no handler for them, default to making "segment" sections. */ @@ -3513,6 +3517,21 @@ map_sections_to_segments (abfd) pm = &m->next; } + if (elf_tdata (abfd)->stack_flags) + { + amt = sizeof (struct elf_segment_map); + m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); + if (m == NULL) + goto error_return; + m->next = NULL; + m->p_type = PT_GNU_STACK; + m->p_flags = elf_tdata (abfd)->stack_flags; + m->p_flags_valid = 1; + + *pm = m; + pm = &m->next; + } + free (sections); sections = NULL; @@ -4099,6 +4118,12 @@ get_program_header_size (abfd) ++segs; } + if (elf_tdata (abfd)->stack_flags) + { + /* We need a PT_GNU_STACK segment. */ + ++segs; + } + for (s = abfd->sections; s != NULL; s = s->next) { if ((s->flags & SEC_LOAD) != 0 |