Work around a GCC uninitialized warning bug

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

2015-04-08  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.am (ELF_CLFAGS): New.
	(AM_CFLAGS): Add $(ELF_CLFAGS).
	* configure.ac (elf_list_options): New.  AC_SUBST.
	(elf_shlib_list_options): Likewise.
	(elf_plt_unwind_list_options): Likewise.
	* lexsup.c (elf_shlib_list_options): New.
	(elf_static_list_options): Likewise.
	(elf_plt_unwind_list_options): Likewise.
	(ld_list_options): Likewise.
	(help): Call ld_list_options.
	* Makefile.in: Regenerated.
	* configure: Likewise.
	* emulparams/plt_unwind.sh (PLT_UNWIND): New.
	(PARSE_AND_LIST_OPTIONS): Removed.
	* emultempl/elf32.em (gld_list_options): New.
	(gld${EMULATION_NAME}_list_options): Define only if BNDPLT or
	PARSE_AND_LIST_OPTIONS is defined.
	(ld_${EMULATION_NAME}_emulation): Replace
	gld${EMULATION_NAME}_list_options with ${gld_list_options.

2015-04-07  Alan Modra  <amodra@gmail.com>

	PR ld/18176
	* ldlang.c (lang_size_sections): Cast shift expression.

2015-04-07  Alan Modra  <amodra@gmail.com>

	* emultempl/ppc32elf.em: Handle --no-pic-fixup.
	(params): Init new field.
	(ppc_before_allocation): Enable relaxation for pic_fixup.

2015-04-07  Nick Clifton  <nickc@redhat.com>

	* ld.h (struct ld_config_type): Add new field: warn_orphan.
	* ldlex.h (enum option_values): Add OPTION_WARN_ORPHAN and
	OPTION_NO_WARN_ORPHAN.
	* lexsup.c (ld_options): Add --warn-orphan and --no-warn-orphan.
	(parse_args): Handle the new options.
	* ldemul.c (ldemul_place_orphan): If requested, generate a warning
	message when an orphan section is placed in the output file.
	* ld.texinfo: Document the new option.
	* NEWS: Mention the new feature.

2015-04-02  Andrew Turner <andrew@freebsd.org>

	* Makefile.am: Add FreeBSD aarch64 files.
	* Makefile.in: Regenerate.
	* configure.tgt: Add aarch64-*-freebsd* target triple.
	* emulparams/aarch64fbsd.sh: New file.
	* emulparams/aarch64fbsdb.sh: New file.

2015-04-01  H.J. Lu  <hongjiu.lu@intel.com>

	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Work
	around a GCC uninitialized warning bug fixed in GCC 4.6.

2015-04-01  Tejas Belagod  <tejas.belagod@arm.com>

	* emultempl/aarch64elf.em
	(aarch64_elf_create_output_section_statements): Add parameter in
	bfd_elf${ELFSIZE}_aarch64_set_options call.
	(OPTION_FIX_ERRATUM_843419): Define.
	(PARSE_AND_LIST_LONGOPTS): Add fix-cortex-a53-843419.
	(PARSE_AND_LIST_ARGS_CASES): Add OPTION_FIX_ERRATUM_843419.

2015-04-01  Chen Gang  <gang.chen.5i5j@gmail.com>

	* emulparams/elf32_tic6x_le.sh: Skip OTHER_BSS_SECTIONS for
	relocating operation.

2015-04-01  Alan Modra  <amodra@gmail.com>

	PR ld/18176
	* ldlang.c (lang_size_sections): When alignment of sections
	results in relro base adjustment being too large, don't go lower
	than the initial value.
	* ldexp.c (fold_binary <DATA_SEGMENT_RELRO_END>): Comment.
	* scripttempl/elf.sc (DATA_SEGMENT_ALIGN): Omit SEGMENT_SIZE
	alignment when SEGMENT_SIZE is the same as MAXPAGESIZE.

2015-04-01  Alan Modra  <amodra@gmail.com>

	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Don't
	init ehdr_start_save.

2015-04-01  Alan Modra  <amodra@gmail.com>

	* Makefile.am (eelf32ppcvxworks.c): Depend on ppc32elf.em and
	ldemul-list.h.
	(eelf32lppc.c, eelf32lppclinux.c, eelf32lppcnto.c, eelf32lppcsim.c,
	eelf32ppc.c, eelf32ppc_fbsd.c, eelf32ppclinux.c, eelf32ppcnto.c,
	eelf32ppcsim.c): Rearrange deps for consistency.
	* Makefile.in: Regenerate.

2015-04-01  Ed Schouten  <ed@nuxi.nl>

	* emultempl/elf32.em (gld*_before_allocation): Zero-initialize
	the ehdr_start_save variable.

2015-03-31  Ed Schouten  <ed@nuxi.nl>

	* Makefile.am (ALL_64_EMULATION_SOURCES): Add
	eelf_x86_64_cloudabi.c.
	(eelf_x86_64_cloudabi.c): New.
	* configure.tgt (targ_emul): Set to elf_x86_64_cloudabi for
	x86_64-*-cloudabi*.
	* Makefile.in: Regenerated.
	* emulparams/elf_x86_64_cloudabi.sh: New file.

2015-03-31  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.ac (AM_ZLIB): Removed.
	* Makefile.in: Regenerated.
	* config.in: Likewise.
	* configure: Likewise.

2015-03-24  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* emultempl/aarch64elf.em (_aarch64_add_stub_section): Set section
	alignment to 2.

2015-03-23  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* emultempl/aarch64elf.em
	(elf${ELFSIZE}_aarch64_add_stub_section): Adjust layout.

2015-03-18  Chen Gang  <gang.chen.5i5j@gmail.com>

	* ldmain.c (main): Use %F instead of %X for einfo.

2015-03-02  Alan Modra  <amodra@gmail.com>

	* ld.texinfo (Options <-z nocopyreloc>): Rewrite.

2015-02-27  Nick Clifton  <nickc@redhat.com>

	PR ld/17900
	* ldlang.c (lang_set_flags): Allow exclamation mark to reverse the
	sense of the following memory region attribute characters.

2015-02-27  Alan Modra  <amodra@gmail.com>

	* Makefile.am (ALL_EMULATION_SOURCES): Sort new h8300 entries.
	(eh8300elf_linux.c, eh8300helf_linux.c, eh8300self_linux.c,
	eh8300sxelf_linux.c): Do not invoke genscripts here.
	* Makefile.in: Regenerate.

2015-02-24  Nick Clifton  <nickc@redhat.com>

	* Makefile.am (ev850.c): Add dependency upon
	$(srcdir)/emultempl/v850elf.em.
	(ev850_rh850.c): Likewise.
	* Makefile.in: Regenerate.
	* emultempl/v850elf.em: New file.
	* emulparams/v850.sh (EXTRA_EM_FILE): Define.
	* emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define.
	* scripttempl/v850.sc: Add .note.renesas section.
	* scripttempl/v850_rh850.sc: Likewise.

2015-02-24  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

	* scripttempl/avr.sc: Add new user_signatures region.  Define and
	use symbols for all region lengths.
	* scripttempl/avrtiny.sc: Define and use symbols for all region
	lengths.

2015-01-21  Yoshinori Sato <ysato@users.sourceforge.jp>

	* Makefile.am: (ALL_EMULATION_SOURCES): Add new emulations.
	* Makefile.in: Regenerate.
	* configure.tgt: Add h8300-*-linux
	* emulparams/h8300elf_linux.sh: Add new emulation.
	* emulparams/h8300helf_linux.sh: Likewise.
	* emulparams/h8300self_linux.sh: Likewise.
	* emulparams/h8300sxelf_linux.sh: Likewise.

2015-02-23  Nick Clifton  <nickc@redhat.com>

	* lexsup.c (parse_args): Produce a more reasonable error message
	when -ixxx or -rxxx is the last option on the linker command line.

2015-02-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/17973
	* testplug2.c (allsymbolsread_silent): New.
	(set_register_hook): Handle allsymbolsreadsilent.
	(onall_symbols_read): Skip a message if allsymbolsread_silent is
	TRUE.

2015-02-14  Alan Modra  <amodra@gmail.com>

	PR ld/17973
	* ldlang.h (struct lang_input_statement_flags): Add lto_output.
	* ldlang.c (lang_process): Don't set loading_lto_outputs.
	* ldfile.c (ldfile_try_open_bfd): Transfer entry flags.lto_output
	to bfd.
	* plugin.c (add_input_file, add_input_library): Set flags.lto_output.

2015-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	* NEWS: Mention support for LLVM plugin.

2015-02-13  Alan Modra  <amodra@gmail.com>

	* ld.texinfo (Options <--defsym>): Correct cross reference.

2015-02-11  H.J. Lu  <hongjiu.lu@intel.com>

	* lexsup.c (ld_options): Add --[no-]map-whole-files for gold
	option compatibility.

2015-02-11  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (message): Output "warning:" for LDPL_WARNING. Output
	"error:" for LDPL_FATAL and LDPL_ERROR.
	* testplug2.c (parse_option): Handle fatal, error and warning.

2015-02-11  H.J. Lu  <hongjiu.lu@intel.com>

	* testplug2.c (dump_tv_tag): Removed.
	(onall_symbols_read): Return LDPS_ERR if the file descriptor isn't
	closed.
	* testplug3.c (dump_tv_tag): Removed.
	(onclaim_file): Fix typo.

2015-02-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/17878
	* Makefile.am (noinst_LTLIBRARIES): Add libldtestplug2.la and
	libldtestplug3.la.
	(libldtestplug2_la_SOURCES): New.
	(libldtestplug2_la_CFLAGS): Likewise.
	(libldtestplug2_la_LDFLAGS): Likewise.
	(libldtestplug3_la_SOURCES): New.
	(libldtestplug3_la_CFLAGS): Likewise.
	(libldtestplug3_la_LDFLAGS): Likewise.
	* Makefile.in: Regenerated.
	* testplug2.c: New file.
	* testplug3.c: Likewise.

2015-02-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/17878
	* plugin.c: Include ../bfd/plugin.h.
	(plugin_get_ir_dummy_bfd): Call bfd_create with
	link_info.output_bfd instead of srctemplate.  Copy BFD info
	from srctemplate only if it doesn't use BFD plugin target
	vector.
	(plugin_load_plugins): Call register_ld_plugin_object_p with
	(plugin_object_p)
	(plugin_maybe_claim): Renamed to ...
	(plugin_object_p): This.  Return dummy BFD target vector if
	input is calimed by plugin library, otherwise return NULL.
	Update plugin_format and plugin_dummy_bfd.
	(plugin_maybe_claim): New.  Use plugin_object_p.

2015-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (plugin_maybe_claim): Initialize use_mmap.

2015-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (plugin_input_file_t): Add use_mmap.
	(plugin_pagesize): New.
	(get_view): Use plugin_pagesize.  Set use_mmap if mmap is used.
	(plugin_load_plugins): Initialize plugin_pagesize.
	(plugin_maybe_claim): Unmap the buffer if plugin didn't claim the
	file.

2015-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (get_view): Align offset passed to mmap.

2015-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	* ldfile.c (ldfile_try_open_bfd): Don't call bfd_check_format
	if plugin isn't active or there is no thing more to claim.

2015-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (plugin_maybe_claim): Check format against bfd_object
	directly.

2015-02-07  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (plugin_maybe_claim): Replace entry->the_bfd with
	ibfd.

2015-02-07  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c: Include "libbfd.h".
	(plugin_strdup): New.
	(plugin_maybe_claim): Remove the argument of pointer to struct
	ld_plugin_input_file.  Open and handle input entry.
	* plugin.h (plugin_maybe_claim): Updated.
	* ldfile.c (ldfile_try_open_bfd): Call plugin_maybe_claim directly
	without passing a pointer to struct ld_plugin_input_file.
	* ldmain.c: Don't include "libbfd.h".
	(add_archive_element): Call plugin_maybe_claim directly without
	passing a pointer to struct ld_plugin_input_file.

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

	* ld.texinfo: Document -z text, -z notext and -z textoff.
	* emultempl/elf32.em (gld${EMULATION_NAME}_list_options): Add
	-z text, -z notext and -z textoff.

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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