Re: PATCH: Support mixing IR and non-IR objects

["H.J. Lu" <hjl dot tools at gmail dot com>]

On Tue, Apr 19, 2011 at 3:48 PM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> Hi,
>
> This patch implements:
>
> http://www.kernel.org/pub/linux/devel/gcc/lto/mixed-IR/mixed-IR.pdf
>
> to support mixing IR and non-IR objects. ?OK for trunk?
>
> Thanks.
>

Here is the updated patch.  OK for trunk?

Thanks.


-- 
H.J.
---
bfd/

2011-04-19  H.J. Lu  <hongjiu.lu@intel.com>

	* bfd.c (bfd_lto_object_type): New.
	(bfd): Add object_only_section and lto_type.
	(bfd_group_signature): New.

	* elf.c (special_sections_g): Add .gnu_object_only.

	* format.c (bfd_set_lto_type): New.
	(bfd_check_format_matches): Use it.

	* section.c (GNU_OBJECT_ONLY_SECTION_NAME): New.

	* bfd-in2.h: Regenerated.

binutils/

2011-04-19  H.J. Lu  <hongjiu.lu@intel.com>

	* objcopy.c (group_signature): Removed.
	(is_strip_section): Replace group_signature with
	bfd_group_signature.
	(setup_section): Likewise.

	* readelf.c (get_section_type_name): Handle SHT_GNU_OBJECT_ONLY.

gas/testsuite/

2011-04-19  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/elf/section9.s: Add the .gnu_object_only test.
	* gas/elf/section9.d: Updated.

include/

2011-04-19  H.J. Lu  <hongjiu.lu@intel.com>

	* bfdlink.h (bfd_link_info): Add emit_gnu_object_only and
	emitting_gnu_object_only.

include/elf/

2011-04-19  H.J. Lu  <hongjiu.lu@intel.com>

	* common.h (SHT_GNU_OBJECT_ONLY): New.

ld/

2011-04-19  H.J. Lu  <hongjiu.lu@intel.com>

	* emultempl/alphaelf.em (alpha_finish): Replace finish_default
	with gld${EMULATION_NAME}_finish.

	* emultempl/armelf.em (gld${EMULATION_NAME}_finish): Renamed
	to ...
	(arm_finish): This.  Replace finish_default with
	gld${EMULATION_NAME}_finish.
	(LDEMUL_FINISH): Set to arm_finish.

	* emultempl/elf32.em (gld${EMULATION_NAME}_finish): New.
	(orphan_init_done): Likewise.
	(ld_${EMULATION_NAME}_emulation): Use gld${EMULATION_NAME}_finish.
	(gld${EMULATION_NAME}_place_orphan): Initialize hold.

	* emultempl/ppc64elf.em (gld${EMULATION_NAME}_finish): Renamed
	to ...
	(ppc_finish): This.  Replace finish_default with
	gld${EMULATION_NAME}_finish.
	(LDEMUL_FINISH): Set to ppc_finish.

	* emultempl/spuelf.em (gld${EMULATION_NAME}_finish): Renamed
	to ...
	(spu_finish): This.  Replace finish_default with
	gld${EMULATION_NAME}_finish.
	(LDEMUL_FINISH): Set to spu_finish.

	* ldfile.c (ldfile_try_open_bfd): Call
	cmdline_check_object_only_section.

	* ldlang.c: Include "ldwrite.h" and elf-bfd.h.
	* ldlang.c (cmdline_object_only_file_list): New.
	(cmdline_object_only_archive_list): Likewise.
	(cmdline_temp_object_only_list): Likewise.
	(cmdline_lists_init): Likewise.
	(cmdline_list_new): Likewise.
	(cmdline_list_append): Likewise.
	(print_cmdline_list): Likewise.
	(cmdline_on_object_only_archive_list_p): Likewise.
	(cmdline_object_only_list_append): Likewise.
	(cmdline_get_object_only_input_files): Likewise.
	(cmdline_arg): Likewise.
	(setup_section): Likewise.
	(copy_section): Likewise.
	(cmdline_fopen_temp): Likewise.
	(cmdline_add_object_only_section): Likewise.
	(cmdline_emit_object_only_section): Likewise.
	(cmdline_extract_object_only_section): Likewise.
	(cmdline_check_object_only_section): Likewise.
	(cmdline_remove_object_only_files): Likewise.
	(lang_init): Take a bfd_boolean argument to supprt object-only
	output.  Call cmdline_lists_init.
	(load_symbols): Call cmdline_on_object_only_archive_list_p
	to check if an archive member should be loaded.
	(lang_process): Handle object-only link.

	* ldlang.h (lang_init): Take a bfd_boolean argument.
	(cmdline_enum_type): New.
	(cmdline_header_type): Likewise.
	(cmdline_file_type): Likewise.
	(cmdline_bfd_type): Likewise.
	(cmdline_union_type): Likewise.
	(cmdline_list_type): Likewise.
	(cmdline_emit_object_only_section): Likewise.
	(cmdline_check_object_only_section): Likewise.
	(cmdline_remove_object_only_files): Likewise.

	* ldmain.c (main): Call xatexit with
	cmdline_remove_object_only_files.  Pass FALSE to lang_init.
	Use ld_parse_linker_script.  Set link_info.output_bfd to NULL
	after close.  Call cmdline_emit_object_only_section if needed.
	(add_archive_element): Call cmdline_check_object_only_section.
	(ld_parse_linker_script): New.

	* ldmain.h (ld_parse_linker_script): New.

	* plugin.c (plugin_opt_plugin_arg): Ignore -pass-through=.
	(plugin_maybe_claim): Call cmdline_check_object_only_section
	on claimed IR files.

	* scripttempl/armbpabi.sc: Also discard .gnu_object_only
	sections.
	* scripttempl/elf.sc: Likewise.
	* scripttempl/elf32sh-symbian.sc: Likewise.
	* scripttempl/elf64hppa.sc: Likewise.
	* scripttempl/elfxtensa.sc: Likewise.
	* scripttempl/mep.sc: Likewise.
	* scripttempl/pe.sc: Likewise.
	* scripttempl/pep.sc: Likewise.

ld/testsuite/

2011-04-19  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-plugin/dummy.c: New.
	* ld-plugin/dummy.s: Likewise.
	* ld-plugin/func1p.c: Likewise.
	* ld-plugin/func2i.c: Likewise.
	* ld-plugin/func3h.c: Likewise.
	* ld-plugin/lto-10.out: Likewise.
	* ld-plugin/lto-10a.c: Likewise.
	* ld-plugin/lto-10b.c: Likewise.
	* ld-plugin/lto-10r.d: Likewise.
	* ld-plugin/lto-11.out: Likewise.
	* ld-plugin/lto-11a.c: Likewise.
	* ld-plugin/lto-11b.c: Likewise.
	* ld-plugin/lto-11c.c: Likewise.
	* ld-plugin/lto-12.out: Likewise.
	* ld-plugin/lto-12a.c: Likewise.
	* ld-plugin/lto-12b.c: Likewise.
	* ld-plugin/lto-12c.c: Likewise.
	* ld-plugin/lto-13.out: Likewise.
	* ld-plugin/lto-13a.c: Likewise.
	* ld-plugin/lto-13b.c: Likewise.
	* ld-plugin/lto-13c.c: Likewise.
	* ld-plugin/lto-14.out: Likewise.
	* ld-plugin/lto-14a.c: Likewise.
	* ld-plugin/lto-14b.c: Likewise.
	* ld-plugin/lto-14c.c: Likewise.
	* ld-plugin/lto-15.out: Likewise.
	* ld-plugin/lto-15a.c: Likewise.
	* ld-plugin/lto-15b.c: Likewise.
	* ld-plugin/lto-16a.c: Likewise.
	* ld-plugin/lto-16a.d: Likewise.
	* ld-plugin/lto-16b.c: Likewise.
	* ld-plugin/lto-16b.d: Likewise.
	* ld-plugin/lto-1a.c: Likewise.
	* ld-plugin/lto-1b.c: Likewise.
	* ld-plugin/lto-2.c: Likewise.
	* ld-plugin/lto-3.d: Likewise.
	* ld-plugin/lto-3.out: Likewise.
	* ld-plugin/lto-3a.c: Likewise.
	* ld-plugin/lto-3b.c: Likewise.
	* ld-plugin/lto-3c.c: Likewise.
	* ld-plugin/lto-3r.d: Likewise.
	* ld-plugin/lto-4.out: Likewise.
	* ld-plugin/lto-4a.c: Likewise.
	* ld-plugin/lto-4b.c: Likewise.
	* ld-plugin/lto-4c.c: Likewise.
	* ld-plugin/lto-4r-a.d: Likewise.
	* ld-plugin/lto-4r-b.d: Likewise.
	* ld-plugin/lto-4r-c.d: Likewise.
	* ld-plugin/lto-4r-d.d: Likewise.
	* ld-plugin/lto-5.d: Likewise.
	* ld-plugin/lto-5.out: Likewise.
	* ld-plugin/lto-5a.c: Likewise.
	* ld-plugin/lto-5b.c: Likewise.
	* ld-plugin/lto-5r.d: Likewise.
	* ld-plugin/lto-6.c: Likewise.
	* ld-plugin/lto-7.out: Likewise.
	* ld-plugin/lto-7a.c: Likewise.
	* ld-plugin/lto-7b.c: Likewise.
	* ld-plugin/lto-7c.c: Likewise.
	* ld-plugin/lto-7d.c: Likewise.
	* ld-plugin/lto-8.out: Likewise.
	* ld-plugin/lto-8a.c: Likewise.
	* ld-plugin/lto-8b.c: Likewise.
	* ld-plugin/lto-9.cc: Likewise.
	* ld-plugin/lto-9.d: Likewise.
	* ld-plugin/lto.exp: Likewise.
	* ld-plugin/pr12365a.c: Likewise.
	* ld-plugin/pr12365b.c: Likewise.
	* ld-plugin/pr12365c.c: Likewise.

	* ld-plugin/plugin.exp: Add object files for symbols claimed
	or created by testplugin.

	* lib/ld-lib.exp (check_lto_available): New.

Attachment: binutils-lto-mixed-15.patch
Description: Text document