path: root/ld/ChangeLog

2009-04-09  Nick Clifton  <nickc@redhat.com>

	PR 9824
	* ld.texinfo (Output Section Constraint): New node.  Documents the
	ONLY_IF_RO and ONLY_IF_RW constraints.
	(Symbolic Constants): New node.  Documents the CONSTANT operator.

2009-04-09  Thilo Fischer <thilo.fischer@uni-muenster.de>

	* emultempl/spuelf.em (embedded_spu_file): Use pex_one in place
	of fork/execvp.

2009-04-08  H.J. Lu  <hongjiu.lu@intel.com>

	* lexsup.c (option_values): Add OPTION_WARN_ALTERNATE_EM.
	(ld_options): Likewise.
	(parse_args): Likewise.

	* ld.texinfo: Document --warn-alternate-em.

	* NEWS: Mention --warn-alternate-em.

2009-04-07  DJ Delorie  <dj@redhat.com>

	* emulparams/elf32mep.sh: Change default endian to little.

2009-04-07  Nick Clifton  <nickc@redhat.com>

	* ld.texinfo (Output Section Address): Note that specifying an
	address for an output section will only change the location
	counter if the output section is used.

2009-04-06  Kazu Hirata  <kazu@codesourcery.com>

	* ldfile.c (ldfile_find_command_file): Initialize result.

2009-04-06  Kazu Hirata  <kazu@codesourcery.com>

	* ld.texinfo (-L): Mention that -L options do not affect how ld
	searches for a linker script unless -T option is specified.
	* ldfile.c (ldfile_find_command_file): Append the path obtained
	from the program name to the search path instead of
	prepending. Add a new parameter "default_only". Restrict the
	search to the default script location if the new parameter is
	true.
	(ldfile_open_command_file_1): New.
	(ldfile_open_command_file): Call ldfile_open_command_file_1.
	(ldfile_open_default_command_file): New.

2009-04-03  Nathan Sidwell  <nathan@codesourcery.com>

	* ldlang.c (lang_leave_output_section_statement): Set lma_region
	if it is not overridden and section is for the same vma region as
	the previous section.

2009-04-02  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR ld/6744
	* ld.texinfo (--export-dynamic):  Mention --export-all-symbols.
	* emultempl/pe.em (gld_${EMULATION_NAME}_after_parse):  Issue
	warning if --export-dynamic was passed on command-line.
	* emultempl/pep.em (gld_${EMULATION_NAME}_after_parse):  Likewise.

2009-04-01  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* emultempl/aix.em (gld${EMULATION_NAME}_open_dynamic_archive): New
	function.
	(ld_${EMULATION_NAME}_emulation): Use it.

2009-03-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/9970
	* ldlang.c (lang_end): Warn missing entry symbol for -pie.

2009-03-19  Alan Modra  <amodra@bigpond.net.au>

	* emultempl/spuelf.em (spu_before_allocation): Report errors from
	spu_elf_find_overlays.

2009-03-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/6766
	* lexsup.c (parse_args): Call ldlang_add_undef for -e.

2009-03-18  Alan Modra  <amodra@bigpond.net.au>

	* ld.h: Remove alloca handling.

2009-03-17  Alan Modra  <amodra@bigpond.net.au>

	* emultempl/spu_icache.S: Add new entry to dummy handler.
	* emultempl/spu_icache.o_c: Regenerate.
	* emultempl/spuelf.em (params): Init new field.
	(no_overlays): New static var.
	(spu_before_allocation): Use it.
	(OPTION_SPU_COMPACT_STUBS): Define.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add compact-stubs.
	(PARSE_AND_LIST_ARGS_CASES): Handle compact-stubs.  Adjust no-overlays
	handling.

2009-03-17  Alan Modra  <amodra@bigpond.net.au>

	* configure.host (HOSTING_LIBS): Two dollars on shell variable
	expansion to suit make.

2009-03-17  Alan Modra  <amodra@bigpond.net.au>

	* configure.in: Invoke ACX_PROG_CMP_IGNORE_INITIAL.
	* Makefile.am (check-DEJAGNU): Set DO_COMPARE.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* Makefile.in: Regenerate.

2009-03-14  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* emultempl/aix.em (auto_export_flags): New variable.
	(explicit_auto_export_flags): Likewise.
	(OPTION_EXPALL, OPTION_EXPFULL): New enum values.
	(OPTION_NOEXPALL, OPTION_NOEXPFULL): Likewise.
	(gld${EMULATION_NAME}_add_options): Add -bexpall, -bexpfull,
	-bnoexpall and -bnoexpfull.
	(gld${EMULATION_NAME}_handle_option): Handle them.
	(gld${EMULATION_NAME}_before_allocation): Update the call to
	bfd_size_dynamic_sections.

2009-03-14  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* emultempl/aix.em (gld${EMULATION_NAME}_handle_option): Make
	-berok and -bernotok control link_info.unresolved_syms_in_objects
	and link_info.unresolved_syms_in_shared_libs instead of
	force_make_executable.

2009-03-14  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* emultempl/aix.em (gld${EMULATION_NAME}_before_parse): Set
	config.dynamic_link to TRUE.

2009-03-14  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* emultempl/aix.em (gld${EMULATION_NAME}_before_allocation): Mark
	.text, .data and .bss output sections as SEC_KEEP.

2009-03-14  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* configure.tgt: Extend AIX 5 behavior to AIX 6 and above.

2009-03-14  Dave Korn  <dave.korn.cygwin@gmail.com>
            Danny Smith  <dannysmith@users.sourceforge.net>

	* emultmpl/pe.em (pe_dll_characteristics): New variable.
	(OPTION_DYNAMIC_BASE, OPTION_FORCE_INTEGRITY, OPTION_NX_COMPAT,
	OPTION_NO_ISOLATION. OPTION_NO_SEH, OPTION_NO_BIND,
	OPTION_WDM_DRIVER, OPTION_TERMINAL_SERVER_AWARE):
	New macros for options to set DllCharacteristics flag bits.
	(gld${EMULATION_NAME}_add_options): Add dynamicbase, forceinteg,
	nxcompat, no-isolation, no-seh, no-bind, wdmdriver, tsaware options.
	(init): Add DllCharacteristics field.
	(gld_${EMULATION_NAME}_list_options): List new options.
	(gld${EMULATION_NAME}_handle_option): Handle new options.
	* emultmpl/pep.em (pe_dll_characteristics): New variable.
	(OPTION_DYNAMIC_BASE, OPTION_FORCE_INTEGRITY, OPTION_NX_COMPAT,
	OPTION_NO_ISOLATION. OPTION_NO_SEH, OPTION_NO_BIND,
	OPTION_WDM_DRIVER, OPTION_TERMINAL_SERVER_AWARE):
	New macros for options to set DllCharacteristics flags.
	(gld${EMULATION_NAME}_add_options): Add dynamicbase, forceinteg,
	nxcompat,no-isolation, no-seh, no-bind, wdmdriver, tsaware options.
	(init): Add DllCharacteristics field.
	(gld_${EMULATION_NAME}_list_options): List new options.
	(gld${EMULATION_NAME}_handle_option): Handle new options.
	* ldtexinfo : Document dynamicbase, forceinteg,	nxcompat,
	no-isolation, no-seh, no-bind, wdmdriver, tsaware options.

2009-03-06  Nick Clifton  <nickc@redhat.com>

	* po/es.po: Updated Spanish translation.

2009-03-03  Dave Korn  <dave.korn.cygwin@gmail.com>

	* emultempl/pe.em (debug_section_p):  New bfd_map_over_sections hook.
	(gld_${EMULATION_NAME}_after_open):  Use it to iterate all sections
	of all input BFDs, looking for debug info.  Enable long section names
	if any found.
	* emultempl/pe.em (debug_section_p):  Likewise.
	(gld_${EMULATION_NAME}_after_open):  Likewise.
	* NEWS:  Retrospectively adjust news announcement.
	* ld.texinfo:  Update documentation to mention new behaviour.

2009-03-03  Alan Modra  <amodra@bigpond.net.au>

	* Makefile.am: Run "make dep-am".
	* Makefile.in: Regenerate.

2009-03-02  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* ldgram.y: Add support for REGION_ALIAS operator.
	* ldlang.c: Likewise.
	* ldlang.h: Likewise.
	* ldlex.l: Likewise.
	* NEWS: Mention the new feature.
	* ld.texinfo: Document the new feature.

2009-03-02  Qinwei  <qinwei@sunnorth.com.cn>

	* Makefile.am: Replace score elf emulation with score3 and score7
	emulations.
	* Makefile.in: Regenerate,
	* NEWS: Mention support for Score7 architecture.
	* configure.tgt: Add score7 emulation to score-elf target.
	* emulparams/scoreelf.sh: Add score7 support.
	* emultempl/scoreelf.em: Likewise.

2009-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* configure.tgt: Only use elf64hppa target emulation for hpux.
	* emulparams/elf64hppa.sh: Don't include hppa64linux.sh.
	(SCRIPT_NAME): Use new script elf64hppa.
	(SCRIPT_NAME, ELFSIZE, NO_REL_RELOCS, ARCH, MACHINE, ENTRY,
	TEMPLATE_NAME, GENERATE_SHLIB_SCRIPT, OTHER_READONLY_SECTIONS,
	OTHER_READWRITE_SECTIONS, OTHER_BSS_SECTIONS, OTHER_GOT_RELOC_SECTIONS,
	DATA_START_SYMBOLS, OTHER_SYMBOLS, DATA_PLT, PLT_BEFORE_GOT,
	TEXT_DYNAMIC): Define.
	* emulparams/hppa64linux.sh: Adjust comments.
	* scripttempl/elf64hppa.sc: New file.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2009-02-27  Dave Korn  <dave.korn.cygwin@gmail.com>

	* emultempl/pe.em (gld_${EMULATION_NAME}_before_parse):  Set
	default state of auto-import flag based on $target.

2009-02-24  Joseph Myers  <joseph@codesourcery.com>

	* ld.texinfo (ARM): Document changed meaning of --stub-group-size.
	* emultempl/armelf.em (hook_in_stub): Insert after the input section.
	(elf32_arm_add_stub_section): Update comment.
	(PARSE_AND_LIST_OPTIONS): Update help for --stub-group-size.

2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>

	* ld.texinfo (Options): Correct typos in example.  Recommend
	using joined forms of syntax for passing options with arguments 
	from a driver.
	(-a): Use consistent syntax for documenting option arguments.
	Clean up indexing and markup.
	(-A/--architecture): Likewise.
	(-f/--auxiliary): Likewise.
	(-F/--filter): Likewise.
	(-fini): Likewise.
	(-G/--gpsize): Likewise.
	(-h/-soname):Likewise.
	(-init): Likewise.
	(-l/--library): Likewise.
	(-L/--library-path): Likewise.
	(-m): Likewise.
	(--defsym): Likewise.
	(-I/--dynamic-linker): Likewise.
	(-Map): Likewise.
	(--oformat): Likewise.
	(--retain-symbols-file): Likewise.
	(-rpath): Likewise.
	(-rpath-link): Likewise.
	(--sort-common): Likewise.
	(--sort-section): Likewise.
	(--split-by-file): Likewise.
	(--split-by-reloc): Likewise.
	(--sysroot): Likewise.
	(--section-start): Likewise.
	(-Tbss, -Tdata, -Ttext): Likewise.
	(-Ttext-segment): Likewise.
	(--version-script): Likewise.
	(--wrap): Likewise.

2009-02-18  Dave Korn  <dave.korn.cygwin@gmail.com>

	* ld.texinfo:  Update to mention long section name options.
	* NEWS:  Mention new behaviour and command-line options.
	* pe-dll.c (pe_use_coff_long_section_names):  New global variable.
	(pe_output_file_set_long_section_names):  New function.
	(pe_dll_build_sections):  Call it on output BFDs.
	(pe_exe_build_sections):  Likewise.
	(pe_dll_fill_sections):  Likewise.
	(pe_exe_fill_sections):  Likewise.
	* pe-dll.h (pe_use_coff_long_section_names):  Declare extern.
	(pe_output_file_set_long_section_names):  Add prototype.
	* pep-dll.c (pe_use_coff_long_section_names):  Define pep_ alias.
	(pe_output_file_set_long_section_names):  Likewise.
	* pep-dll.h (pep_use_coff_long_section_names):  Declare extern.
	(pep_output_file_set_long_section_names):  Add prototype.
	* pe.em (OPTION_ENABLE_LONG_SECTION_NAMES):  New getopt value macro.
	(OPTION_DISABLE_LONG_SECTION_NAMES):  Likewise.
	(gld${EMULATION_NAME}_add_options):  Add new options to xtra_long[].
	(gld_${EMULATION_NAME}_list_options):  Describe them.
	(gld${EMULATION_NAME}_handle_option):  Set or clear global
	pe_use_coff_long_section_names flag when options recognised.
	(gld_${EMULATION_NAME}_after_open):  En/disable long section names
	for main output bfd by calling pe_output_file_set_long_section_names.
	* pep.em (enum options):  Extend enum with new getopt option values.
	(gld${EMULATION_NAME}_add_options):  Add new options to xtra_long[].
	(gld_${EMULATION_NAME}_list_options):  Describe them.
	(gld${EMULATION_NAME}_handle_option):  Set or clear global
	pe_use_coff_long_section_names flag when options recognised.
	(gld_${EMULATION_NAME}_after_open):  En/disable long section names
	for main output bfd by calling pep_output_file_set_long_section_names.

2009-02-16  Dave Korn  <dave.korn.cygwin@gmail.com>

	* emultempl/pe.em (gld_${EMULATION_NAME}_after_open):  Don't emit
	inadvertent .reloc sections caused by refactoring accident.

2009-02-16  Alan Modra  <amodra@bigpond.net.au>

	* ldlang.c (process_insert_statements): ASSERT that output section
	statements are in order.

2009-02-16  Alan Modra  <amodra@bigpond.net.au>

	* ldlang.c (push_stat_ptr, pop_stat_ptr): New functions.
	(stat_save, stat_save_ptr): New variables.
	(lang_insert_orphan): Use push_stat_ptr and pop_stat_ptr.
	(load_symbols): Likewise.  Delete dead "bad_load" code.
	(open_input_bfds): Warn on script containing output sections.
	(lang_enter_output_section_statement): Use push_stat_ptr.
	(lang_enter_group): Likewise.
	(lang_leave_output_section_statement): Use pop_stat_ptr.
	(lang_leave_group): Likewise.
	* ldlang.h (push_stat_ptr, pop_stat_ptr): Declare.
	* ldctor.c (ldctor_build_sets): Use push_stat_ptr and pop_stat_ptr.
	* emultempl/beos.em (gld_${EMULATION_NAME}_set_symbols): Likewise.
	* emultempl/pe.em (gld_${EMULATION_NAME}_set_symbols): Likewise.
	* emultempl/pep.em (gld_${EMULATION_NAME}_set_symbols): Likewise.
	* emultempl/spuelf.em (spu_place_special_section): Likewise.
	* emultempl/xtensaelf.em (ld_xtensa_insert_page_offsets): Likewise.

2009-02-09  Nathan Sidwell  <nathan@codesourcery.com>

	Missing piece of 2009-01-26 commit
	* ldlang.c (lang_process): Don't consider relocatable flag when
	checking for overlap.

2009-02-05  Joseph Myers  <joseph@codesourcery.com>

	* emulparams/m68kelf.sh: Add newline at end of file.

2009-02-04  Nick Clifton  <nickc@redhat.com>

	PR 9805
	* ld.texinfo (--allow-shlib-undefined): Correct description of
	default settings and tidy up the rest of the entry.

2009-02-04  Alan Modra  <amodra@bigpond.net.au>

	* emultempl/spuelf.em (spu_after_open): Don't combine .text.ia.*
	during relocatable link.

2009-02-03  Nick Clifton  <nickc@redhat.com>

	PR 9797
	* ld.texinfo (Constants): Document the base-encoding suffixes
	supported in linker scripts.

2009-02-03  Alan Modra  <amodra@bigpond.net.au>

	* NEWS: Mention --as-needed change.

2009-02-03  Carlos O'Donell  <carlos@codesourcery.com>

	* configure.in: AC_SUBST pdfdir.
	* Makefile.am: Add install-pdf, install-pdf-am,
	and install-pdf-recursive targets. Define pdf__strip_dir.
	* po/Make-in: Add install-pdf target.
	* configure: Regenerate.
	* Makefile.in: Regenerate.

2009-01-31  Alan Modra  <amodra@bigpond.net.au>

	* ld.texinfo (--as-needed): Update.

2009-01-29  Andrew Jenner  <andrew@codesourcery.com>

	* emultempl/armelf.em: Correct formatting of help text for
	--no-enum-size-warning option.

2009-01-26  Nathan Sidwell  <nathan@codesourcery.com>

	* lexsup.c (parse_args): Set check_section_addresses to 1 or 0.
	* ld.h (args_type): Make check_section_addresses a char.
	* ldmain.c (main): Default check_section_addresses to -1. Check it
	for relocatable links.
	* ld.texinfo (--check-sections): Update documentation.

2009-01-26  Kai Tietz  <kai.tietz@onevision.com>

	* pe-dll.c (tmp_seq2): New static variable.
	(make_singleton_name_imp): New.
	(make_import_fixup_entry): Use for v2 the _imp_<name> symbol and
	avoid duplicate import table generation for same symbol.
	(pe_create_runtime_relocator_reference): Make reference for
	64-bit 8 bytes.

2009-01-21  Alan Modra  <amodra@bigpond.net.au>

	* emultempl/spuelf.em (params): Init new field.
	(OPTION_SPU_NON_IA_TEXT): Define.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add --non-ia-text.
	(PARSE_AND_LIST_ARGS_CASES): Handle OPTION_SPU_NON_IA_TEXT.

2009-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	* lexsup.c (option_values): Add OPTION_TTEXT_SEGMENT.
	(ld_options): Add -Ttext-segment.
	(parse_args): Handle OPTION_TTEXT_SEGMENT.

	* ld.texinfo: Document -Ttext-segment.

	* NEWS: Mention -Ttext-segment.

	* scripttempl/elf.sc (TEXT_START_ADDR): Use SEGMENT_START.
	(SHLIB_TEXT_START_ADDR): Likewise.

2009-01-13  Alan Modra  <amodra@bigpond.net.au>

	* emultempl/spu_icache.o_c: Regenerate.

2009-01-12  Alan Modra  <amodra@bigpond.net.au>

	* emultempl/spuelf.em (params): Init new fields.
	(num_lines_set, line_size_set, icache_mgr, icache_mgr_stream): New vars.
	(spu_place_special_section): Adjust placement for soft-icache.  Pad
	soft-icache section to a fixed size.  Clear addr_tree.
	(spu_elf_load_ovl_mgr): Support soft-icache.  Map overlay manager
	sections a little more intelligently.
	(gld${EMULATION_NAME}_finish): Don't call spu_elf_build_stubs.
	(OPTION_SPU_NUM_LINES): Rename from OPTION_SPU_NUM_REGIONS.
	(OPTION_SPU_SOFT_ICACHE, OPTION_SPU_LINE_SIZE): Define.
	(OPTION_SPU_LRLIVE): Define.
	(PARSE_AND_LIST_LONGOPTS): Add new soft-icache options.
	(PARSE_AND_LIST_OPTIONS): Likewise.
	(PARSE_AND_LIST_ARGS_CASES): Handle them.
	* emultempl/spu_icache.S: Dummy file.
	* emultempl/spu_icache.o_c: Regenerate.
	* Makefile.am (eelf32_spu.c): Depend on spu_icache.o_c.
	(spu_icache.o_c): Add rule to build.
	(CLEANFILES): Zap temp files.
	(EXTRA_DIST): Add spu_icache.o_c.
	* Makefile.in: Regenerate.

2009-01-08  Kai Tietz  <kai.tietz@onevision.com>

	* pe.em (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES): New.
	(gld..._add_options): Add new option
	--use-nul-prefixed-import-tables.
	(gld..._handle_option): Likewise.
	* pep.em: Same as for pe.em.
	* ld.texinfo: Add new option documentation for
	--use-nul-prefixed-import-tables.
	* pe-dll.c (pe_use_nul_prefixed_import_tables): New.
	(make_head): Make prefix leading zero prefix element for
	idata$4 and idata$5 dependent to new flag.
	(make_import_fixup_entry): Remove idata4/5 prefix.
	* pe-dll.h (pe_use_nul_prefixed_import_tables): New.
	* pep-dll.c (pe_use_nul_prefixed_import_tables): New.
	* pep-dll.h (pep_use_nul_prefixed_import_tables): New.
	* NEWS: Add new option.

2009-01-05  Kai Tietz  <kai.tietz@onevision.com>

	* emultempl/pe.em: Prefix dollar characters to be outputed in
	generated C file.
	* emultempl/pep.em: Likewise.

2009-01-03  Dave Korn  <dave.korn.cygwin@gmail.com>

	* NEWS:  Mention new feature --exclude-modules-for-implib.
	* ld.texinfo:  Document new --exclude-modules-for-implib option.
	* pe-dll.c (exclude_list_struct):  Change type member from int to
	new enumeration exclude_type.
	(pe_dll_add_excludes):  Accept exclude_type instead of int param.
	(auto_export):  Replace magic constants by exclude_type values and
	handle new choice EXCLUDEFORIMPLIB.
	(pe_dll_generate_implib):  Accept a pointer to the link_info and
	iterate all input BFDs looking for EXCLUDEFORIMPLIB modules; re-open
	fresh BFDs for any found and link into import lib archive chain.
	* pe-dll.h (exclude_type):  Add new enumerated type to replace magic
	constants previously used for exclude_list_struct type member.
	(pe_dll_add_excludes, pe_dll_generate_implib):  Update prototypes.
	* pep-dll.h (exclude_type, pe_dll_add_excludes,
	pe_dll_generate_implib):  Likewise to all the above.
	* emultempl/pe.em (OPTION_EXCLUDE_MODULES_FOR_IMPLIB):  Define new
	getopts long option code for new --exclude-modules-for-implib option.
	(gld${EMULATION_NAME}_add_options):  Add new entry to xtra_long[].
	(gld_${EMULATION_NAME}_list_options):  List usage for it.
	(gld${EMULATION_NAME}_handle_option):  Use exclude_type enumerated
	values when calling pe_dll_add_excludes, and handle EXCLUDEFORIMPLIB.
	(gld_${EMULATION_NAME}_finish):  Pass pointer to link_info when
	calling pe_dll_generate_implib.
	* emultempl/pep.em (options):  Define new enumerated value for getopts
	long option code for new --exclude-modules-for-implib option.
	(gld${EMULATION_NAME}_add_options, gld_${EMULATION_NAME}_list_options,
	gld${EMULATION_NAME}_handle_option, gld_${EMULATION_NAME}_finish):
	Again, likewise to all the above.

2009-01-03  Dave Korn  <dave.korn.cygwin@gmail.com>

	* pe-dll.c (autofilter_liblist):  Add entry for shared libgcc.
	(libnamencmp):  New function.
	(auto_export):  Use it in place of strncmp when filtering libraries.

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