Use mmap and cache the view buffer for get_view

[thirdparty/binutils-gdb.git] / ld / ChangeLog

2015-02-06  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.ac: Add AC_FUNC_MMAP.
	* config.in: Regenerated.
	* configure: Likewise.
	* plugin.c: Include <sys/mman.h>.
	(MAP_FAILED): New.  Defined if not defined.
	(PROT_READ): Likewise.
	(MAP_PRIVATE): Likewise.
	(view_buffer_t): New.
	(plugin_input_file_t): Add view_buffer.
	(get_view): Try mmap and cache the view buffer.
	(plugin_maybe_claim): Initialize view_buffer.

2015-02-05  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (release_input_file): Set fd to -1 after closing it.
	(plugin_maybe_claim): Close fd only if fd != -1.

2015-02-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/17878
	* plugin.c: Include <errno.h>.
	(errno): New.  Declare if needed.
	(plugin_input_file_t): New.
	(get_input_file): Implemented.
	(get_view): Likewise.
	(release_input_file): Likewise.
	(add_symbols): Updated.
	(get_symbols): Likewise.
	(plugin_maybe_claim): Allocate a plugin_input_file_t.  Close fd
	only for a bfd_object input.

2015-02-02  Alan Modra  <amodra@gmail.com>

	* emultempl/ppc64elf.em (toc_section_name): New var.
	(ppc_after_open): Set it.
	(ppc_before_allocation): Use it.
	(gld${EMULATION_NAME}_after_allocation): Here too.

2015-01-29  H.J. Lu  <hongjiu.lu@intel.com>

	* ldfile.c (ldfile_try_open_bfd): Replace plugin_active_plugins_p()
	with link_info.lto_plugin_active.
	* ldlang.c (lang_process): Likewise.
	* ldmain.c (add_archive_element): Likewise.
	* plugin.c (plugin_active_plugins_p): Removed.
	* plugin.h (plugin_active_plugins_p): Likewise.

2015-01-28  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.h (plugin_get_ir_dummy_bfd): Removed.  Move comments to
	...
	* plugin.c (plugin_get_ir_dummy_bfd): Here.  Make it static.

2015-01-28  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/17878
	* plugin.c (tv_header_tags(): Add LDPT_GET_VIEW.
	(get_view): New function.
	(set_tv_header): Handle LDPT_GET_VIEW.
	* testplug.c (tag_names): Add LDPT_GET_VIEW.
	(tv_get_view): New.
	(dump_tv_tag): Handle LDPT_GET_VIEW.
	(parse_tv_tag): Likewise.

2015-01-28  Alan Modra  <amodra@gmail.com>

	* emulparams/elf64ppc.sh (INITIAL_READWRITE_SECTIONS): Define.
	* emultempl/ppc64elf.em (params): Init new field.
	(ppc_after_open): New function.
	(LDEMUL_AFTER_OPEN): Define.
	* ldlang.c (lang_final): Whitespace fix.

2015-01-28  James Bowman  <james.bowman@ftdichip.com>

	* Makefile.am: Add FT32 files.
	* configure.tgt: Handle FT32 target.
	* emulparams/elf32ft32.sh: New file.
	* scripttempl/ft32.sc: New file.
	* Makefile.in: Regenerate.

2015-01-28  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

	PR 4643
	* ldexp.c (fold_name): Fold LENGTH only after
	lang_first_phase_enum.
	* ldgram.y (memory_spec): Don't evaluate ORIGIN and LENGTH
	rightaway.
	* ldlang.h (struct memory_region_struct): Add origin_exp and
	length_exp fields.
	* ldlang.c (lang_do_memory_regions): New.
	(lang_memory_region_lookup): Initialize origin_exp and
	length_exp fields.
	(lang_process): Call lang_do_memory_regions.

2015-01-20  Andrew Burgess  <andrew.burgess@embecosm.com>

	* ldlang.c (print_assignment): Only evaluate the expression for a
	PROVIDE'd assignment when the destination is being defined.
	Display a special message for PROVIDE'd symbols that are not being
	provided.

2015-01-20  Alan Modra  <amodra@gmail.com>

	* emulparams/elf64ppc.sh (OTHER_SDATA_SECTIONS): Use in place of..
	(OTHER_BSS_SYMBOLS): ..this.
	(OTHER_PLT_RELOC_SECTIONS): Don't define.
	(OTHER_GOT_RELOC_SECTIONS): Add rela.toc1 and rela.tocbss.
	(OTHER_READWRITE_SECTIONS): Don't define.  Move .toc1 to..
	(OTHER_RELRO_SECTIONS_2): ..here.
	* scripttempl/elf.sc: Move SBSS too when DATA_SDATA.

2015-01-20  Alan Modra  <amodra@gmail.com>

	* emulparams/elf64ppc.sh (BSS_PLT): Don't define.
	(OTHER_READWRITE_SECTIONS): Move .branch_lt to..
	(OTHER_RELRO_SECTIONS_2): ..here.
	(DATA_GOT, SEPARATE_GOTPLT, DATA_SDATA, DATA_PLT,
	PLT_BEFORE_GOT): Define.
	* scripttempl/elf.sc: Handle DATA_SDATA and DATA_GOT/DATA_PLT/
	PLT_BEFORE_GOT combination.
	(DATA_GOT, SDATA_GOT): Don't define if either is already defined.

2015-01-20  Alan Modra  <amodra@gmail.com>

	* emulparams/elf64ppc.sh (OTHER_READWRITE_SECTIONS): Move .opd to..
	(OTHER_RELRO_SECTIONS_2): ..here, new define.
	* scripttempl/elf.sc: Add OTHER_RELRO_SECTIONS_2.

2015-01-19  Alan Modra  <amodra@gmail.com>

	PR ld/17615
	* ldlang.c (lang_process): Run lang_common before lang_gc_sections.

2015-01-14  Jiong Wang  <jiong.wang@arm.com>

	* ld-arm/elf32-reject.s: New testcase.
	* ld-arm/elf32-reject.d: Likewise.
	* ld-arm/elf32-reject-pie.s: Likewise.
	* ld-arm/elf32-reject-pie.d: Likewise.
	* ld-arm/arm-elf.exp: Run new testcases.
	* ld-arm/ifunc-7.s: Delete f2/f4 test items.
	* ld-arm/ifunc-7.rd: Likewise.
	* ld-arm/ifunc-7.gd: Likewise.
	* ld-arm/ifunc-7.dd: Likewise.
	* ld-arm/ifunc-8.s: Likewise.
	* ld-arm/ifunc-8.rd: Likewise.
	* ld-arm/ifunc-8.gd: Likewise.
	* ld-arm/ifunc-8.dd: Likewise.

2015-01-01  Alan Modra  <amodra@gmail.com>

	* ldver.c (ldversion): Just print current year.

2015-01-01  Alan Modra  <amodra@gmail.com>

	Update year range in copyright notice of all files.

For older changes see ChangeLog-2014
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