Commit graph

9 commits

Author SHA1 Message Date
Iain Sandoe
8cf6e08400 add .zerofill to mach-o GAS.
gas:

	* config/obj-macho.c (obj_mach_o_segT_from_bfd_name): Tidy definition.
	(obj_mach_o_get_section_names): New (split from obj_mach_o_section).
	(obj_mach_o_make_or_get_sect): Likewise.
	(obj_mach_o_section): Split out the functionality shared with zerofill.
	(obj_mach_o_zerofill): New.
	(obj_mach_o_common_parse): Ensure whitespace is skipped.
	(mach_o_pseudo_table): Add .zerofill.

gas/testsuite:

	* gas/mach-o/zerofill-1.d: New.
	* gas/mach-o/zerofill-1.s: New.
2012-01-04 10:59:54 +00:00
Iain Sandoe
68588f9540 support stabs on mach-o GAS.
bfd:

	* mach-o.c (bfd_mach_o_mangle_symbols): Put in the section index
	for stabd symbols.
	(bfd_mach_o_primary_symbol_sort_key): Adjust for stabs.
	(bfd_mach_o_cf_symbols): Likewise.

gas:

	* config/obj-macho.c (obj_macho_process_stab): New.
	* config/obj-macho.h (OBJ_PROCESS_STAB): Define.
	(obj_macho_process_stab): Declare.
2012-01-03 13:18:48 +00:00
Iain Sandoe
bcf0aac6f6 adjust mach-o default GAS sections.
gas:

	* as.c (perform_an_assembly_pass): Do not create text, data and bss
	sections for MACH-O.  Do not switch to the text section.
	* config/obj-macho.c (obj_mach_o_segT_from_bfd_name): Forward decl.
	(mach_o_begin): Startup with only text section unless suppressed.
	* config/obj-macho.h (obj_begin): define to mach_o_begin ().

gas/testsuite:

	* gas/mach-o/sections-1.d: Amend to recognize that bss is not emitted
	by default.
	* gas/mach-o/sections-2.d: New.
2011-12-29 10:53:10 +00:00
Iain Sandoe
ab76eeafa5 bfd:
* mach-o-i386.c (bfd_mach_o_section_type_valid_for_tgt): Define NULL.
	* mach-o-target.c (bfd_mach_o_backend_data): Initialize bfd_mach_o_section_type_valid_for_tgt
	* mach-o-x86-64.c (bfd_mach_o_section_type_valid_for_x86_64): New.
	(bfd_mach_o_section_type_valid_for_tgt): Set to bfd_mach_o_section_type_valid_for_x86_64.
	* mach-o.c (bfd_mach_o_section_type_name): Reorder and eliminate dup.
	(bfd_mach_o_section_attribute_name): Reorder.
	(bfd_mach_o_get_section_type_from_name): If the target has defined a validator for section
	types, then use it.
	* mach-o.h (bfd_mach_o_get_section_type_from_name): Alter declaration to include the bfd.

gas:

	* config/obj-macho.c (obj_mach_o_section): Account for target-dependent section
	types.  Improve error handling when wrong section types/attributes are specified.

gas/testsuite:

	* gas/mach-o/err-sections-1.s: New.
	* gas/mach-o/err-sections-2.s: New.
	* gas/mach-o/sections-3.d: New.
	* gas/mach-o/sections-3.s: New.
2011-12-19 15:42:37 +00:00
Tristan Gingold
499963bcf1 2011-12-15 Tristan Gingold <gingold@adacore.com>
* config/obj-macho.c (obj_mach_o_fileprop): Fix typo.
2011-12-15 11:43:52 +00:00
Tristan Gingold
0c9ef0f001 bfd/
2011-12-15  Iain Sandoe  <iains@gcc.gnu.org>

	* mach-o-target.c (bfd_mach_o_bfd_set_private_flags): Use
	bfd_mach_o_bfd_set_private_flags.
	* mach-o.c (bfd_mach_o_bfd_set_private_flags): New.
	* mach-o.h (bfd_mach_o_bfd_set_private_flags): Declare.

gas/
2011-12-15  Iain Sandoe  <iains@gcc.gnu.org>

	* config/obj-macho.c (obj_mach_o_subsections_by_symbols): New global.
	(obj_mach_o_file_properties): New enum.
	(obj_mach_o_subsections_via_symbols):  Generalize name to...
	... (obj_mach_o_fileprop) and use to set subsections_via_symbols.

gas/testsuite/
2011-12-15  Iain Sandoe  <iains@gcc.gnu.org>

	* gas/mach-o/subsect-via-symbols-0.d: New.
	* gas/mach-o/subsect-via-symbols-1.d: New.
	* gas/mach-o/subsect-via-symbols.s: New.
2011-12-15 10:56:48 +00:00
Tristan Gingold
a455111938 bfd/
2011-12-14  Iain Sandoe  <iains@gcc.gnu.org>

	* mach-o-i386.c (text_section_names_xlat): New table.
	(data_section_names_xlat): Likewise.
	(import_section_names_xlat): Likewise.
	(mach_o_i386_segsec_names_xlat): Likewise.
	(bfd_mach_o_tgt_seg_table): Use new tables.
	* mach-o-x86-64.c (bfd_mach_o_tgt_seg_table): Set NULL.
	* mach-o.c (mach_o_section_name_xlat, mach_o_segment_name_xlat):
	Move to mach-o.h as   typedefs.
	(text_section_names_xlat): Update for current GCC usage.
	(data_section_names_xlat): Likewise.
	(dwarf_section_names_xlat): Likewise.
	(objc_section_names_xlat): New table.
	(segsec_names_xlat): Add objc table.
	(bfd_mach_o_normalize_section_name):  Replace with...
	(bfd_mach_o_section_data_for_mach_sect): New.
	(bfd_mach_o_section_data_for_bfd_name): New.
	(bfd_mach_o_section_data_for_bfd_name): Update to use additional data.
	(bfd_mach_o_convert_section_name_to_mach_o): Likewise.
	(bfd_mach_o_bfd_copy_private_section_data): Implement.
	(bfd_mach_o_write_symtab): Write a zero-length string as the first entry
	for compatibility with system tools.
	(bfd_mach_o_build_commands): Update section alignment info.
	(bfd_mach_o_new_section_hook): Use translation table data to define
	default section flags, type, attributes and alignment, when available.
	(bfd_mach_o_init_section_from_mach_o): Add TODO comment.
	(bfd_mach_o_section_type_name): Add 'symbol_stubs'.
	(bfd_mach_o_section_attribute_name): Add 'self_modifying_code'.
	(bfd_mach_o_get_section_type_from_name): Change "not-found" return
	value.
	(bfd_mach_o_tgt_seg_table): Set default NULL.
	* mach-o.h (bfd_mach_o_segment_command):  Use define for name length.
	(bfd_mach_o_backend_data): Move until after contents are defined.
	(bfd_mach_o_normalize_section_name): Remove.
	(bfd_mach_o_convert_section_name_to_bfd): Declare.
	(mach_o_section_name_xlat): Declare.
	(mach_o_segment_name_xlat): Declare.
	(bfd_mach_o_section_data_for_mach_sect): Declare.
	(bfd_mach_o_section_data_for_bfd_name): Declare.

include/
2011-12-14  Iain Sandoe  <iains@gcc.gnu.org>

	* mach-o/loader.h (bfd_mach_o_section_type): define
	BFD_MACH_O_S_ATTR_NONE to 0.


gas/
2011-12-14  Iain Sandoe  <iains@gcc.gnu.org>

	* config/obj-macho.c: Add some more top-level comments.
	(collect_16char_name): New.
	(obj_mach_o_section): Amend to allow syntax compatible with existing system
	tools.  Use section translation data when available.
	(obj_mach_o_segT_from_bfd_name): New.
	(known_sections): Update.
	(obj_mach_o_known_section): Use obj_mach_o_segT_from_bfd_name.
	(objc_sections): New.
	(obj_mach_o_objc_section): New.
	(debug_sections): New.
	(obj_mach_o_debug_section): New.
	(tgt_sections): New.
	(obj_mach_o_opt_tgt_section): New.
	(obj_mach_o_base_section): New.
	(obj_mach_o_common_parse): Update to create BSS on demand and to handle
	lcomm optional alignment param.
	(obj_mach_o_comm): Update parameter name.
	(obj_mach_o_placeholder): New.
	(mach_o_pseudo_table): Update for GCC section directives.
	* config/obj-macho.h (_OBJ_MACH_O_H): New.
	(USE_ALIGN_PTWO): Define.
	(S_SET_ALIGN) Define.
2011-12-14 10:30:09 +00:00
Tristan Gingold
74a6005fea 2011-08-08 Tristan Gingold <gingold@adacore.com>
* config/obj-macho.c (obj_mach_o_section): New function.
	(struct known_section): New type.
	(known_sections): Declare.
	(obj_mach_o_known_section): New function.
	(obj_mach_o_common_parse): Ditto.
	(obj_mach_o_comm): Ditto.
	(obj_mach_o_subsections_via_symbols): Ditto.
	(mach_o_pseudo_table): Add new pseudos.
2011-08-08 12:20:01 +00:00
Tristan Gingold
e57f8c655c 2009-07-02 Tristan Gingold <gingold@adacore.com>
* Makefile.am (OBJ_FORMATS): Add macho.
	(CPU_OBJ_VALID): Ditto.
	(OBJ_FORMAT_CFILES): Add config/obj-macho.c
	(OBJ_FORMAT_HFILES): Add config/obj-macho.h
	(obj-macho.o): New rule.
	* Makefile.in: Regenerated.
	* configure.tgt (generic_target): Add i386-*-darwin*.
	* config/tc-i386.h: Use i386_target_format for Mach-O.
	* config/tc-i386.c (i386_target_format): Define it for Mach-O.
	(i386_target_format): Add a case for bfd_target_mach_o_flavour.
	* config/obj-macho.h: New file.
	* config/obj-macho.c: New file.
2009-07-02 08:09:35 +00:00