* obj.h (struct format_ops): New members begin, app_file,
s_set_other, s_set_desc, s_get_type, s_set_type,
separate_stab_sections, init_stab_section.
* config/obj-multi.h: Update GPL notice to v2.
(obj_begin): New.
(obj_app_file): New.
(S_SET_SIZE): Test s_set_size for NULL before calling.
(S_SET_ALIGN): Similar for s_set_align.
(S_SET_OTHER): New.
(S_SET_DESC): New.
(S_GET_TYPE): New.
(S_SET_TYPE): New.
(SEPARATE_STAB_SECTIONS): New.
(INIT_STAB_SECTION): New.
(EMIT_SECTION_SYMBOLS): New.
(AOUT_STABS) [OBJ_MAYBE_AOUT]: Define.
* config/obj-elf.h: Update GPL notice to v2.
Mention that this file is included from obj-multi.h.
(obj_begin): Wrap definition in ifndef.
(elf_file_symbol): Constify declaration.
(obj_app_file): Ditto.
(SEPARATE_STAB_SECTIONS, INIT_STAB_SECTION, OBJ_PROCESS_STAB):
Wrap in ifndef SEPARATE_STAB_SECTIONS.
* config/obj-elf.c (elf_s_set_other): New.
(elf_file_symbol): Constify argument.
(elf_separate_stab_sections): New.
(elf_init_stab_section): New.
(elf_format_ops): Add new members. Remove comma at end.
* config/obj-ecoff.c (ecoff_separate_stab_sections): New.
(ecoff_format_ops): Add new fields. Remove comma at end.
Mention inconsistency for emit_section_symbols.
* config/obj-coff.h (c_dot_file_symbol): Constify declaration.
* config/obj-coff.c (c_dot_file_symbol): Constify argument.
(coff_separate_stab_sections): New.
(coff_format_ops): Add new members.
* config/obj-aout.c (obj_aout_sec_sym_ok_for_reloc): New.
(obj_aout_s_set_other): New.
(obj_aout_s_set_desc): New.
(obj_aout_s_get_type): New.
(obj_aout_s_set_type): New.
(obj_aout_separate_stab_sections): New.
(aout_format_ops): New members added. Use obj_aout_process_stab,
not 0. Use obj_aout_sec_sym_ok_for_reloc, not 0.
(obj_aout_frob_symbol): Add ATTRIBUTE_UNUSED to args as
appropriate.
(obj_aout_line, obj_aout_weak, obj_aout_type): Ditto.