(struct bfd_elf_section_data): Remove stab_info and merge_info
fields, add sec_info and sec_info_type.
(struct elf_obj_tdata): Add eh_frame_hdr field.
(_bfd_elf_discard_section_eh_frame): New prototype.
(_bfd_elf_discard_section_eh_frame_hdr): Likewise.
(_bfd_elf_eh_frame_section_offset): Likewise.
(_bfd_elf_write_section_eh_frame): Likewise.
(_bfd_elf_write_section_eh_frame_hdr): Likewise.
* Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo.
(BFD32_BACKENDS_CFILES): Add elf-eh-frame.c.
(elf-eh-frame.lo): New.
* Makefile.in: Rebuilt.
* configure.in (elf): Add elf-eh-frame.lo.
* configure: Rebuilt.
* elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME.
(map_sections_to_segments): Create PT_GNU_EH_FRAME if requested.
(get_program_header_size): Take into account PT_GNU_EH_FRAME
segment.
(_bfd_elf_rela_local_sym): Use sec_info_type and sec_info.
(_bfd_elf_rel_local_sym): Likewise.
(_bfd_elf_section_offset): Likewise. Call
_bfd_elf_eh_frame_section_offset too.
* elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and
sec_info.
* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
* elf-eh-frame.c: New file.
* elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE
.stab sections. Set sec_info_type, use sec_info instead
of merge_info and stab_info.
(elf_link_create_dynamic_sections): Create .eh_frame_hdr section
if --eh-frame-hdr.
(elf_bfd_final_link): Write .eh_frame_hdr section.
(elf_link_sec_merge_syms): Use sec_info_type and sec_info.
(elf_link_input_bfd): Likewise.
Call _bfd_elf_write_section_eh_frame to write .eh_frame sections.
(elf_bfd_discard_info): Add output_bfd argument.
Call _bfd_elf_discard_section_eh_frame and
_bfd_elf_discard_section_eh_frame_hdr.
(elf_section_ignore_discarded_relocs): Use sec_info_type, not section
names.
* bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust
prototypes.
* bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise.
* elf/common.h (PT_GNU_EH_FRAME): Define.
* bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field.
* emultempl/elf32.em (finish): Supply output_bfd
to bfd_elf*_discard_info.
(OPTION_EH_FRAME_HDR): Define.
(longopts): Add --eh-frame-hdr.
(parse_args): Handle it.
(list_options): Add --eh-frame-hdr to help.
* emultempl/hppaelf.em (finish): Supply output_bfd
to bfd_elf*_discard_info.
* scripttempl/elf.sc (.eh_frame_hdr): Add.
* readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
+2001-12-13 Jakub Jelinek <jakub@redhat.com>
+
+ * elf/common.h (PT_GNU_EH_FRAME): Define.
+ * bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field.
+
2001-12-07 Geoffrey Keating <geoffk@redhat.com>
* dis-asm.h (print_insn_xstormy16): Declare.
Setting this true may result in a non-sharable text segment. */
boolean nocopyreloc;
+ /* True if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment
+ should be created. */
+ boolean eh_frame_hdr;
+
/* How many spare .dynamic DT_NULL entries should be added? */
unsigned int spare_dynamic_tags;
};
#define PT_LOPROC 0x70000000 /* Processor-specific */
#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
+#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)
+
/* Program segment permissions, in program header p_flags field. */
#define PF_X (1 << 0) /* Segment is executable */