Commit Graph

112 Commits

Author SHA1 Message Date
Ian Lance Taylor
88597d3422 * configure.ac: Check for sys/mman.h and mmap. Check for mremap
with MREMAP_MAYMOVE.
	* output.h (class Output_file): Add map_is_allocated_ field.
	* output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
	not available, provide stubs.  If mremap is not available, #define
	it to gold_mremap.
	(MREMAP_MAYMOVE): Define if not defined.
	(Output_file::Output_file): Initialize map_is_allocated_.
	(Output_file::resize): Check map_is_allocated_.
	(Output_file::map_anonymous): If mmap fails, use malloc.
	(Output_file::unmap): Don't do anything for an anonymous map.
	* fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
	is not available, provide stubs.
	(File_read::View::~View): Use free rather than delete[].
	(File_read::make_view): Use malloc rather than new[].  If mmap
	fails, use malloc.
	(File_read::find_or_make_view): Use malloc rather than new[].
	* gold.h: Remove HAVE_REMAP code.
	* mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
	exists.  Rename mremap to gold_mremap.  If mmap is not available
	don't do anything.
	* configure, config.in: Rebuild.
2011-04-12 18:06:16 +00:00
Ian Lance Taylor
d0773f31b4 * configure.ac: Add check for gnu_indirect_function support in
the toolchain building binutils.
	* configure: Rebuild.
2011-03-02 14:51:42 +00:00
Nick Clifton
c77912127f * configure.ac: For --enable-gold, handle value `default' instead of
`both*'.   New configure option --{en,dis}able-ld.

ld, gold/
	* configure.ac: For --enable-gold, handle value `default' instead of
	`both*'. Always install ld as ld.gold, install as ld if gold is
	the default.
2010-11-23 13:39:57 +00:00
Ian Lance Taylor
eb3730490e * script-sections.h (class Script_sections): Make
Sections_elements typedef public.
	* script-sections.cc (class Sort_output_sections): Add elements_
	field.  Add constructor which sets it; change all callers.
	(Sort_output_sections::is_before): New function.
	(Sort_output_sections::operator()): Call is_before.
	* configure.ac (NATIVE_OR_CROSS_LINKER): New automake
	conditional.
	* testsuite/script_test_10.sh: New test. Test script section
	order.
	* testsuite/script_test_10.t: Likewise.
	* testsuite/script_test_10.s: Likewise.
	* testsuite/Makefile.am: Wrap the cross linker tests and the
	common tests into NATIVE_OR_CROSS_LINKER.
	(check_SCRIPTS): Add script_test_10.sh.
	(check_DATA): Add script_test_10.stdout.
	(script_test_10.o, script_test_10): New targets.
	(script_test_10.stdout): New target.
	* configure, testsuite/Makefile.in: Regenerate.
2010-10-12 19:21:41 +00:00
Ian Lance Taylor
7223e9ca5a PR 10893
* i386.cc (class Output_data_plt_i386): Update declarations.
	Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
	local_ifuncs_ fields.
	(Target_i386::do_plt_section_for_global): New function.
	(Target_i386::do_plt_section_for_local): New function.
	(Output_data_plt_i386::Output_data_plt_i386): Add symtab
	parameter; change all callers.  Initialize global_ifuncs_ and
	local_ifuncs_.  If doing a static link define __rel_iplt_start and
	__rel_iplt_end.
	(Output_data_plt_i386::add_entry): Handle IFUNC symbols.
	(Output_data_plt_i386::add_local_ifunc_entry): New function.
	(Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
	symbols.
	(Target_i386::make_plt_section): New function, broken out of
	make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
	(Target_i386::make_plt_entry): Call make_plt_section.
	(Target_i386::make_local_ifunc_plt_entry): New function.
	(Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
	(Target_i386::Scan::local): Handle IFUNC symbols.  Add
	R_386_IRELATIVE to switch.
	(Target_i386::Scan::global): Likewise.
	(Target_i386::Relocate::relocate): Likewise.
	(Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
	switch.
	* x86_64.cc (class Output_data_plt_x86_64): Update declarations.
	(Target_x86_64::do_plt_section_for_global): New function.
	(Target_x86_64::do_plt_section_for_local): New function.
	(Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
	parameter; change all callers.  If doing a static link define
	__rela_iplt_start and __rela_iplt_end.
	(Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
	(Output_data_plt_x86_64::add_local_ifunc_entry): New function.
	(Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
	to point to .plt.
	(Target_x86_64::make_local_ifunc_plt_entry): New function.
	(Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
	switch.
	(Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
	(Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
	R_X86_64_IRELATIVE to switch.
	(Target_x86_64::Scan::global): Likewise.
	(Target_x86_64::Relocate::relocate): Likewise.
	(Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
	switch.
	* target.h (class Target): Add plt_section_for_global and
	plt_section_for_local functions.  Add do_plt_section_for_global
	and do_plt_section_for_local virtual functions.
	* symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
	clarifying comments.
	(Symbol::use_plt_offset): Handle IFUNC symbol.
	* object.cc (Sized_relobj::Sized_relobj): Initialize
	local_plt_offsets_.
	(Sized_relobj::local_has_plt_offset): New function.
	(Sized_relobj::local_plt_offset): New function.
	(Sized_relobj::set_local_plt_offset): New function.
	(Sized_relobj::do_count): Handle IFUNC symbol.
	* object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
	a bit away from input_shndx_ field.  Add set_is_func_symbol and
	is_ifunc_symbol functions.
	(class Sized_relobj): Update declarations.  Remove Tls_got_entry
	and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
	local_plt_offsets_ field.
	(Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
	* output.h (class Output_section_data): Add non-const
	output_section function.
	(class Output_data_got): Update declarations.
	(class Output_data_got::Got_entry): Add use_plt_offset_ field.
	Add use_plt_offset parameter to global and local constructors.
	Change all callers.  Change local_sym_index_ field to 31 bits.
	Change GSYM_CODE and CONSTANT_CODE accordingly.
	* output.cc (Output_data_reloc_base::do_adjust_output_section): If
	doing a static link don't set sh_link field.
	(Output_data_got::Got_entry::write): Use PLT offset if
	appropriate.
	(Output_data_got::add_global_plt): New function.
	(Output_data_got::add_local_plt): New function.
	* target-reloc.h (relocate_section): Handle IFUNC symbol.
	* defstd.cc (in_section): Remove entries for __rel_iplt_start,
	__rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
	* configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
	* testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
	IFUNC conditional.
	* testsuite/ifunc-sel.h: New file.
	* testsuite/ifuncmain1.c: New file.
	* testsuite/ifuncmain1vis.c: New file.
	* testsuite/ifuncmod1.c: New file.
	* testsuite/ifuncdep2.c: New file.
	* testsuite/ifuncmain2.c: New file.
	* testsuite/ifuncmain3.c: New file.
	* testsuite/ifuncmod3.c: New file.
	* testsuite/ifuncmain4.c: New file.
	* testsuite/ifuncmain5.c: New file.
	* testsuite/ifuncmod5.c: New file.
	* testsuite/ifuncmain6pie.c: New file.
	* testsuite/ifuncmod6.c: New file.
	* testsuite/ifuncmain7.c: New file.
	* configure, testsuite/Makefile.in: Rebuild.
2010-08-19 22:50:16 +00:00
Ralf Wildenhues
6ea55b821c gold: running tests in parallel.
gold/:
* configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
* Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
2010-07-28 21:30:13 +00:00
Nick Clifton
4fda8867e9 gold:
* configure.ac (install_as_default): Define and set to false
        unless --enable-gold or --enable-gold=both/gold has been
        specified.
        * configure: Regenerate.

        * Makefile.am (install-exec-local): Install the executable as
        'ld.gold'.  If install_as_default is true then also install it as
        'ld'.
        * Makefile.in: Regenerated.
ld:
        * configure.in (install_as_default): Define and set to true
        unless --enable-gold=both/gold has been specified.
        * configure: Regenerate.

        * Makefile.am (transform): Use ld.bfd as the default name of
        the linker.
        (install-exec-local): Also install the executable as a binary
        named 'ld' if install_as_default is true.
        * Makefile.in: Regenerate.
2010-04-27 14:12:32 +00:00
Ralf Wildenhues
efc8d4f25f Use Automake option no-dist in gold.
gold/:
	* configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.
2010-04-07 21:08:01 +00:00
Ian Lance Taylor
9109c078e3 * configure.ac: Rewrite targetobjs duplicate removal code to use
only shell constructs.
	* configure: Rebuild.
2010-02-06 20:14:01 +00:00
Doug Kwan
6cfaf60bc2 2010-02-04 Doug Kwan <dougkwan@google.com>
PR 11247
	* arm-reloc-property.cc (cstdio): Include.
	* configure.ac (targetobjs): Remove duplicates.
	* configure: Regenerate.
	* resolve.cc (Symbol_table::resolve): Explicit instantiate both
	big and little endian version for a given address size.
2010-02-05 00:30:35 +00:00
Ian Lance Taylor
084e2665e2 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
using a version of gcc before 4.1.
	* configure: Rebuild.
2009-12-29 22:49:13 +00:00
Rafael Ávila de Espíndola
d675ff4684 2009-12-17 Rafael Avila de Espindola <espindola@google.com>
* Makefile.am (CCFILES): Add timer.cc.
	(HFILES): Add timer.h.
	* configure.ac: Check for sysconf and times.
	* main.cc: include timer.h.
	(main): Use Timer instead of get_run_time.
	* timer.cc: New.
	* timer.h: New.
	* workqueue.cc: include timer.h.
	(Workqueue::find_and_run_task):
	Report user, sys and wall time.
	* Makefile.in: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.
2009-12-17 16:02:03 +00:00
Ian Lance Taylor
2ea9794110 Revert -Wshadow changes, all changes from:
2009-12-11  Doug Kwan  <dougkwan@google.com>
	2009-12-11  Nick Clifton  <nickc@redhat.com>
	* configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2009-12-14 19:53:05 +00:00
Ian Lance Taylor
5d329b7db9 * configure.ac: Check for (struct stat)::st_mtim
* fileread.cc (File_read::get_mtime): Use st_mtim if available.
	* config.in: Regenerate.
	* configure: Regenerate.
2009-11-06 15:47:06 +00:00
Ian Lance Taylor
d9a893b837 * configure.ac: Check for readv function also.
* fileread.cc (readv): Define if not HAVE_READV.
	* fileread.h (File_read:: max_readv_entries): Set to 1 if readv
	does not exist.
	* config.in: Regenerate.
	* configure: Regenerate.
2009-10-09 23:20:44 +00:00
Ian Lance Taylor
364c7fa5c9 * options.h (class General_options): Define
split_stack_adjust_size parameter.
	* object.h (class Object): Add uses_split_stack_ and
	has_no_split_stack_ fields.  Add uses_split_stack and
	has_no_split_stack accessor functions.  Declare
	handle_split_stack_section.
	(class Reloc_symbol_changes): Define.
	(class Sized_relobj): Define Function_offsets.  Declare
	split_stack_adjust, split_stack_adjust_reltype, and
	find_functions.
	* object.cc (Object::handle_split_stack_section): New function.
	(Sized_relobj::do_layout): Call handle_split_stack_section.
	* dynobj.cc (Sized_dynobj::do_layout): Call
	handle_split_stack_section.
	* reloc.cc (Sized_relobj::relocate_sections): Call
	split_stack_adjust for executable sections in split_stack
	objects.  Pass reloc_map to relocate_section.
	(Sized_relobj::split_stack_adjust): New function.
	(Sized_relobj::split_stack_adjust_reltype): New function.
	(Sized_relobj::find_functions): New function.
	* target-reloc.h: Include "object.h".
	(relocate_section): Add reloc_symbol_changes parameter.  Change
	all callers.
	* target.h (class Target): Add calls_non_split method.  Declare
	do_calls_non_split virtual method.  Declare match_view and
	set_view_to_nop.
	* target.cc: Include "elfcpp.h".
	(Target::do_calls_non_split): New function.
	(Target::match_view): New function.
	(Target::set_view_to_nop): New function.
	* gold.cc (queue_middle_tasks): Give an error if mixing
	split-stack and non-split-stack objects with -r.
	* i386.cc (Target_i386::relocate_section): Add
	reloc_symbol_changes parameter.
	(Target_i386::do_calls_non_split): New function.
	* x86_64.cc (Target_x86_64::relocate_section): Add
	reloc_symbol_changes parameter.
	(Target_x86_64::do_calls_non_split): New function.
	* arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
	parameter.
	* powerpc.cc (Target_powerpc::relocate_section): Add
	reloc_symbol_changes parameter.
	* sparc.cc (Target_sparc::relocate_section): Add
	reloc_symbol_changes parameter.
	* configure.ac: Call AM_CONDITIONAL for the default target.
	* configure: Rebuild.
	* testsuite/Makefile.am (TEST_AS): New variable.
	(check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
	(check_DATA): Add split_i386 and split_x86_64 files.
	(SPLIT_DEFSYMS): Define.
	(split_i386_[1234n].o): New targets.
	(split_i386_[124]): New targets.
	(split_i386_[1234r].stdout): New targets.
	(split_x86_64_[1234n].o): New targets.
	(split_x86_64_[124]): New targets.
	(split_x86_64_[1234r].stdout): New targets.
	(MOSTLYCLEANFILES): Add new executables.
	* testsuite/split_i386.sh: New file.
	* testsuite/split_x86_64.sh: New file.
	* testsuite/split_i386_1.s: New file.
	* testsuite/split_i386_2.s: New file.
	* testsuite/split_i386_3.s: New file.
	* testsuite/split_i386_4.s: New file.
	* testsuite/split_i386_n.s: New file.
	* testsuite/split_x86_64_1.s: New file.
	* testsuite/split_x86_64_2.s: New file.
	* testsuite/split_x86_64_3.s: New file.
	* testsuite/split_x86_64_4.s: New file.
	* testsuite/split_x86_64_n.s: New file.
	* testsuite/testfile.cc (Target_test): Update relocation_section
	function.
	* testsuite/Makefile.in: Rebuild.
2009-10-06 22:58:27 +00:00
Doug Kwan
3d857b98f5 2009-06-23 Doug Kwan <dougkwan@google.com>
* Makefile.am (libgold_a_LIBADD): New.
	(ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
 	* Makefile.in: Regenerate.
	* config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
	* configure: Regenerate.
	* configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
	* fileread.cc: Include sys/state.h
	* gold.h: Declare memmem and strndup if found missing.
	* gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2009-06-23 18:10:42 +00:00
Ian Lance Taylor
0639a6f662 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
* configure: Rebuild.
2009-06-23 14:37:24 +00:00
Ian Lance Taylor
8a5e3e08a6 * layout.cc (Layout::make_output_section): Call
Target::new_output_section.
	(Layout::attach_allocated_section_to_segment): Put large section
	sections in a separate load segment with the large segment flag
	set.
	(Layout::segment_precedes): Sort large data segments after other
	load segments.
	(align_file_offset): New static function.
	(Layout::set_segment_offsets): Use align_file_offset.
	* output.h (class Output_section): Add is_small_section_ and
	is_large_section_ fields.
	(Output_section::is_small_section): New function.
	(Output_section::set_is_small_section):  New function.
	(Output_section::is_large_section): New function.
	(Output_section::set_is_large_section): New function.
	(Output_section::is_large_data_section): New function.
	(class Output_segment): Add is_large_data_segment_ field.
	(Output_segment::is_large_data_segment): New function.
	(Output_segment::set_is_large_data_segment): New function.
	* output.cc (Output_section::Output_section): Initialize new
	fields.
	(Output_segment::Output_segment): Likewise.
	(Output_segment::add_output_section): Add assertion that large
	data sections always go in large data segments.  Force small data
	sections to the end of the list of data sections.  Force small BSS
	sections to the start of the list of BSS sections.  For large BSS
	sections to the end of the list of BSS sections.
	* symtab.h (class Symbol): Declare is_common_shndx.
	(Symbol::is_defined): Check Symbol::is_common_shndx.
	(Symbol::is_common): Likewise.
	(class Symbol_table): Define enum Commons_section_type.  Update
	declarations.  Add small_commons_ and large_commons_ fields.
	* symtab.cc (Symbol::is_common_shndx): New function.
	(Symbol_table::Symbol_table): Initialize new fields.
	(Symbol_table::add_from_object): Put small and large common
	symbols in the right list.
	(Symbol_table::sized_finalized_symbol): Check
	Symbol::is_common_shndx.
	(Symbol_table::sized_write_globals): Likewise.
	* common.cc (Symbol_table::do_allocate_commons): Allocate new
	common symbol lists.  Don't call do_allocate_commons_list if the
	list is empty.
	(Symbol_table::do_allocate_commons_list): Remove is_tls
	parameter.  Add comons_section_type parameter.  Change all
	callers.  Handle small and large common symbols.
	* object.cc (Sized_relobj::do_finalize_local_symbols): Check
	Symbol::is_common_shndx.
	* resolve.cc (symbol_to_bits): Likewise.
	* target.h (Target::small_common_shndx): New function.
	(Target::small_common_section_flags): New function.
	(Target::large_common_shndx): New function.
	(Target::large_common_section_flags): New function.
	(Target::new_output_section): New function.
	(Target::Target_info): Add small_common_shndx, large_common_shndx,
	small_common_section_flags, and large_common_section_flags
	fields.
	(Target::do_new_output_section): New virtual function.
	* arm.cc (Target_arm::arm_info): Initialize new fields.
	* i386.cc (Target_i386::i386_info): Likewise.
	* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
	Likewise.
	* sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
	(Target_x86_64::do_new_output_section): New function.
	* configure.ac: Define conditional MCMODEL_MEDIUM.
	* testsuite/Makefile.am (check_PROGRAMS): Add large.
	(large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
	(large_LDFLAGS): Define.
	* testsuite/large.c: New file.
	* testsuite/testfile.cc (Target_test::test_target_info):
	Initialize new fields.
	* configure, testsuite/Makefile.in: Rebuild.
2009-06-22 06:51:53 +00:00
Ian Lance Taylor
1b77ea505f * configure.ac: Check for declarations for cases where libiberty.h
checks HAVE_DECL_xxx.
	* configure, config.in: Rebuild.
2009-05-15 18:32:13 +00:00
Chris Demetriou
40fde48809 2009-04-23 Chris Demetriou <cgd@google.com>
* configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
        * configure: Regenerate.
        * config.in: Regenerate.
        * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
        if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2009-04-24 19:33:42 +00:00
Ian Lance Taylor
fd03461a93 * ffsll.c: New file.
* configure.ac: Call AC_REPLACE_FUNCS on ffsll.
	* gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
	* ftruncate.c (ftruncate): Declare before definition.
	* mremap.c (mremap): Likewise.
	* pread.c (pread): Likewise.
	* configure, Makefile.in, config.in: Rebuild.
2009-03-28 05:22:30 +00:00
Ian Lance Taylor
2f35ab9b82 * mremap.c: New file.
* configure.ac: Call AC_REPLACE_FUNCS on mremap.
	* gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
	(mremap): Declare if HAVE_MREMAP is not defined.
	* configure, Makefile.in, config.in: Rebuild.
2009-03-27 23:21:09 +00:00
Ian Lance Taylor
3695968186 2009-03-23 Ian Lance Taylor <iant@google.com>
* freebsd.h: New file.
	* i386.cc: Include "freebsd.h".
	(Target_i386): Derive from Target_freebsd rather than
	Sized_target.
	(Target_selector_i386): Derive from Target_selector_freebsd rather
	than Target_selector.
	* x86_64.cc: Include "freebsd.h".
	(Target_x86_64): Derive from Target_freebsd rather than
	Sized_target.
	(Target_selector_x86_64): Derive from Target_selector_freebsd
	rather than Target_selector.
	* target.h (class Target): Add adjust_elf_header and
	do_adjust_elf_header.
	* output.cc (Output_file_header:: do_sized_write): Call target
	adjust_elf_header routine.
	* configure.tgt: Set targ_osabi.
	* configure.ac: Define GOLD_DEFAULT_OSABI.
	* parameters.cc (Parameters::default_target): Pass
	GOLD_DEFAULT_OSABI to select_target.
	* target-select.h (class Target_selector): Make instantiate_target
	protected rather than private.
	* Makefile.am (HFILES): Add freebsd.h.
	* configure, Makefile.in, config.in: Rebuild.
2009-03-24 00:31:29 +00:00
Ian Lance Taylor
9201d89491 * configure.ac: Check for chsize and posix_fallocate. Replace
ftruncate.
	* ftruncate.c: New file, from gnulib.
	* output.cc (posix_fallocate): Define dummy version if not
	HAVE_POSIX_FALLOCATE.
	(Output_file::map): Call posix_fallocate rather than lseek and
	write.
	* gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
	* configure, Makefile.in, config.in: Rebuild.
2009-03-17 22:25:30 +00:00
Ian Lance Taylor
15d5fa1607 elfcpp:/
* elfcpp_swap.h: #include "config.h".  Only #include <byteswap.h>
	if HAVE_BYTESWAP_H is defined; if not, provide definitions for
	bswap_{16,32,64}.  For gcc 4.3 and later, use the builtin bswap
	functions.  Check WORDS_BIGENDIAN rather than __BYTE_ORDER.
gold:/
	* configure.ac: Check for byteswap.h.
	* configure: Rebuild.
	* config.in: Rebuild.
2009-03-02 02:45:29 +00:00
Ian Lance Taylor
b0074644c4 * configure.ac: Update test for TLS descriptors: they are
supported as of glibc 2.9.
	* configure: Rebuild.
2008-12-12 16:23:27 +00:00
Cary Coutant
89fc34211b Add plugin functionality for link-time optimization (LTO).
include/:
	* plugin-api.h: New file.

gold/:
	* configure.ac (plugins): Add --enable-plugins option.
	* configure: Regenerate.
	* config.in: Regenerate.
	* Makefile.am (LIBDL): New variable.
	(CCFILES): Add plugin.cc.
	(HFILES): Add plugin.h.
	(ldadd_var): Add LIBDL.
	* Makefile.in: Regenerate.

	* archive.cc: Include "plugin.h".
	(Archive::setup): Don't preread archive symbols when using a plugin.
	(Archive::get_file_and_offset): Add memsize parameter.  Change callers.
	(Archive::get_elf_object_for_member): Call plugin hooks for claiming
	files.
	(Archive::include_member): Add symbols from plugin objects.
	* archive.h (Archive::get_file_and_offset): Add memsize parameter.
	* descriptors.cc (Descriptors::open): Check for file descriptors
	abandoned by plugins.
	(Descriptors::claim_for_plugin): New function.
	* descriptors.h (Descriptors::claim_for_plugin): New function.
	(Open_descriptor::is_claimed): New field.
	(claim_descriptor_for_plugin): New function.
	* fileread.cc (File_read::claim_for_plugin): New function.
	* fileread.h (File_read::claim_for_plugin): New function.
	(File_read::descriptor): New function.
	* gold.cc: Include "plugin.h".
	(queue_initial_tasks): Add task to call plugin hooks for generating
	new object files.
	* main.cc: Include "plugin.h".
	(main): Load plugin libraries.
	* object.h (Pluginobj): Declare.
	(Object::pluginobj): New function.
	(Object::do_pluginobj): New function.
	(Object::set_target): New function.
	* options.cc: Include "plugin.h".
	(General_options::parse_plugin): New function.
	(General_options::General_options): Initialize plugins_ field.
	(General_options::add_plugin): New function.
	* options.h (Plugin_manager): Declare.
	(General_options): Add --plugin option.
	(General_options::has_plugins): New function.
	(General_options::plugins): New function.
	(General_options::add_plugin): New function.
	(General_options::plugins_): New field.
	* plugin.cc: New file.
	* plugin.h: New file.
	* readsyms.cc: Include "plugin.h".
	(Read_symbols::do_read_symbols): Check for archive before checking
	for ELF file.  Call plugin hooks to claim files.
	* resolve.cc (Symbol_table::resolve): Record when symbol is referenced
	from a real object file; force override when processing replacement
	files.
	* symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
	(Symbol::init_base_object): Likewise.
	(Symbol::init_base_output_data): Likewise.
	(Symbol::init_base_output_segment): Likewise.
	(Symbol::init_base_constant): Likewise.
	(Symbol::init_base_undefined): Likewise.
	(Symbol::output_section): Assert that object is not a plugin.
	(Symbol_table::add_from_pluginobj): New function.
	(Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
	undefined.
	(Symbol_table::sized_write_globals): Likewise.
	(Symbol_table::add_from_pluginobj): Instantiate template.
	* symtab.h (Sized_pluginobj): Declare.
	(Symbol::in_real_elf): New function.
	(Symbol::set_in_real_elf): New function.
	(Symbol::in_real_elf_): New field.
	(Symbol_table::add_from_pluginobj): New function.

	* testsuite/Makefile.am (AM_CFLAGS): New variable.
	(LIBDL): New variable.
	(LDADD): Add LIBDL.
	(check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
	(check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
	(check_DATA): Add plugin_test_1.err and plugin_test_2.err.
	(MOSTLYCLEANFILES): Likewise.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/plugin_test.c: New file.
	* testsuite/plugin_test_1.sh: New file.
	* testsuite/plugin_test_2.sh: New file.
2008-09-19 22:54:57 +00:00
Chris Demetriou
1d1f116d7e 2008-07-20 Chris Demetriou <cgd@google.com>
* configure.ac (gold_cv_c_random_seed): New configured variable.
        (RANDOM_SEED_CFLAGS): New substituted variable.
        * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
        * configure: Rebuild.
        * Makefile.in: Likewise.
        * testsuite/Makefile.in: Likewise.
2008-07-21 05:55:27 +00:00
Ian Lance Taylor
60b2b4e765 * configure.ac: If targ_extra_obj is set, link it in.
* configure.tgt: Initialize all variables.
	(x86_64*): Set targ_extra_obj and targ_extra_size.
	* configure: Rebuild.
2008-05-05 20:20:21 +00:00
Ian Lance Taylor
155a0dd763 * common.cc (Symbol_table::allocate_commons): Remove options
parameter.  Change caller.
	(Symbol_table::do_allocate_commons): Remove options parameter.
	Change caller.  Just call do_allocate_commons_list twice.
	(Symbol_table::do_allocate_commons_list): New function, broken out
	of do_allocate_commons.
	* common.h (class Allocate_commons_task): Remove options_ field.
	Update constructor.
	* symtab.cc (Symbol_table::Symbol_table): Initialize
	tls_commons_.
	(Symbol_table::add_from_object): Put TLS common symbols on
	tls_commons_ list.
	(Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
	which are IN_OUTPUT_DATA.
	* symtab.h (class Symbol_table): Add tls_commons_ field.  Update
	allocate_commons and do_allocate_commons declarations.  Declare
	do_allocate_commons_list.
	* gold.cc (queue_middle_tasks): Update creation of
	Allocate_commons_task to not pass options.
	* testsuite/Makefile.am (INCLUDES): Add -I.. .
	(TLS_TEST_C_FLAGS): New variable.
	(tls_test_c_pic.o): New target.
	(tls_test_shared.so): Link in tls_test_c_pic.o.
	(tls_test_c_pic_ie.o): New target.
	(tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
	(tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
	(tls_test_c.o): New target.
	(tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
	(tls_pic_test_LDADD): Likewise.
	(tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
	(tls_shared_gd_to_ie_test_LDADD): Likewise.
	(tls_test_c_gnu2.o): New target.
	(tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
	tls_test_c_gnu2.o.
	(tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
	(tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
	(tls_test_shared_nonpic.so): Link in tls_test_c.o.
	* testsuite/tls_test.cc: Include "config.h".
	(t_last): Call t11_last.
	* testsuite/tls_test.h (t11, t11_last): Declare.
	* testsuite/tls_test_c.c: New file.
	* testsuite/tls_test_main.cc (thread_routine): Call t11.
	* configure.ac: Check for OpenMP support.
	* configure, config.in, Makefile.in: Rebuild.
	* testsuite/Makefile.in: Rebuild.
2008-04-17 07:12:00 +00:00
David S. Miller
11936fb178 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
* configure: Rebuild.
2008-04-17 05:52:32 +00:00
David S. Miller
f5314dd53d toplevel/
* configure.ac: Add sparc*-*-* to gold supported targets.
	* configure: Regenerate.

gold/

	* sparc.cc: New file.
	* Makefile.am (TARGETSOURCES): Add sparc.cc
	(ALL_TARGETOBJS): Add sparc.$(OBJEXT)
	* configure.tgt: Document targ_extra_size and
	targ_extra_big_endian.  Add entries for sparc-* and
	sparc64-*.
	* configure.ac: Handle targ_extra_size and
	targ_extra_big_endian.
	* Makefile.in: Rebuild.
	* configure: Likewise.
	* po/POTFILES.in: Likewise.
	* po/gold.pot: Likewise.
2008-04-15 05:16:51 +00:00
Cary Coutant
c2b45e22d5 2008-04-11 Cary Coutant <ccoutant@google.com>
Add support for TLS descriptors for i386 and x86_64.
	* i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
	(Target_i386::Relocate::tls_desc_gd_to_le): New function.
	(Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
	GOT_TYPE_TLS_DESC.
	(Target_i386::got_mod_index_entry): Remove unnecessary code.
	(Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
	R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
	relocations.
	(Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
	Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
	Fix problem with initial-exec relocations.
	(Target_i386::Relocate::relocate_tls): Likewise.
	(Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
	relaxation.
	* output.cc (Output_data_dynamic::Dynamic_entry::write): Add
	support for section-plus-offset dynamic table entries.
	* output.h (Output_data_dynamic::add_section_plus_offset): New function.
	(Output_data_dynamic::Dynamic_entry): Add support for
	section-plus-offset dynamic table entries.
	(Output_data_dynamic::Classification): Likewise.
	(Output_data_dynamic::classification_): Renamed offset_.
	* x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
	(Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
	(Target_x86_64::make_plt_section): New function.
	(Target_x86_64::reserve_tlsdesc_entries): New function.
	(Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
	(Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
	(Output_data_plt_x86_64::has_tlsdesc_entry): New function.
	(Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
	(Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
	(Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
	(Output_data_plt_x86_64::set_final_data_size): Move out of line;
	add extra PLT entry for TLS descriptors.
	(Output_data_plt_x86_64::got_): New field.
	(Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
	(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
	fields.
	(Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
	descriptors.
	(Target_x86_64::make_plt_entry): Factor out make_plt_section.
	(Target_x86_64::got_mod_index_entry): Remove unnecessary code.
	(Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
	R_386_TLS_DESC_CALL relocations.
	(Target_x86_64::Scan::global): Likewise.
	(Target_x86_64::do_finalize_sections): Add dynamic table entries
	for TLS descriptors.
	(Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
	Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
	(Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
	GD-to-IE relaxation.
	* configure.ac: Export new conditional variables TLS_GNU2_DIALECT
	and TLS_DESCRIPTORS.
	* Makefile.in: Rebuild.
	* configure: Rebuild.
	* testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
	(tls_test_shared2.so): New target.
	(tls_shared_gd_to_ie_test_SOURCES): New variable.
	(tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
	(tls_shared_gd_to_ie_test_LDFLAGS): New variable.
	(tls_shared_gd_to_ie_test_LDADD): New variable.
	(tls_shared_gnu2_gd_to_ie_test): New target.
	(tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
	New targets.
	(tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
	(ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
	(tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
	(tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
	(tls_shared_gnu2_test): New target.
	(tls_test_gnu2_shared.so): New target.
	(tls_shared_gnu2_test_SOURCES): New variable.
	(tls_shared_gnu2_test_DEPENDENCIES): New variable.
	(tls_shared_gnu2_test_LDFLAGS): New variable.
	(tls_shared_gnu2_test_LDADD): New variable.
	* testsuite/Makefile.in: Rebuild.
	* testsuite/Makefile.
2008-04-11 21:24:30 +00:00
Ian Lance Taylor
7fcd025698 * configure.ac: Export new conditional variable HAVE_ZLIB.
* testsuite/Makefile.am (flagstest_o_specialfile): Condition
	on HAVE_ZLIB.
	(flagstest_o_specialfile_and_compress_debug_sections): Likewise.
	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-04-08 14:33:35 +00:00
Ian Lance Taylor
6835af537e * configure.ac: Don't test for objdump, c++filt, or readelf.
* testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
	conditionals.
	(TEST_READELF): New variable.
	(TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
	(check_PROGRAMS): Add two_file_strip_test.
	(two_file_strip_test): New target.
	(check_PROGRAMS): Add two_file_same_shared_strip_test.
	(two_file_same_shared_strip_test_SOURCES): New variable.
	(two_file_same_shared_strip_test_DEPENDENCIES): New variable.
	(two_file_same_shared_strip_test_LDFLAGS): New variable.
	(two_file_same_shared_strip_test_LDADD): New variable.
	(two_file_shared_strip.so): New target.
	(ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
	(ver_test_5.syms, ver_test_7.syms): Likewise.
	(ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
	(strip_test_3.stdout): Use TEST_OBJDUMP.
	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-04-07 22:16:03 +00:00
Ian Lance Taylor
2fd322316e * layout.cc (Layout::layout): If we see an input section with a
name that needs sorting, set the must_sort flag for the output
	section.
	(Layout::make_output_section): If the name of the output section
	indicates that it might	require sorting, set the may_sort flag.
	* output.h (Output_section::may_sort_attached_input_sections): New
	function.
	(Output_section::set_may_sort_attached_input_sections): New
	function.
	(Output_section::must_sort_attached_input_sections): New
	function.
	(Output_section::set_must_sort_attached_input_sections): New
	function.
	(class Output_section): Declare Input_section_sort_entry.  Define
	Input_section_sort_compare.  Declare
	sort_attached_input_sections.  Add new fields:
	may_sort_attached_input_sections_,
	must_sort_attached_input_sections_,
	attached_input_sections_are_sorted_.
	* output.cc (Output_section::Output_section): Initialize new
	fields.
	(Output_section::add_input_section): Add an entry to
	input_sections_ if may_sort or must_sort are true.
	(Output_section::set_final_data_size): Call
	sort_attached_input_sections if necessary.
	(Output_section::Input_section_sort_entry): Define new class.
	(Output_section::Input_section_sort_compare::operator()): New
	function.
	(Output_section::sort_attached_input_sections): New function.
	* configure.ac: Check whether the compiler supports constructor
	priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
	* testsuite/initpri1.c: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
	CONSTRUCTOR_PRIORITY.
	(initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
	(initpri1_LDFLAGS): New variable.
	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-03-28 22:42:34 +00:00
Ian Lance Taylor
04bf70729d PR gold/5986
Fix problems building gold with gcc 4.3.0.
	* gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
	(gold_error_at_location, gold_warning_at_location): Use it.
	* configure.ac: Check whether we can compile and use a template
	function with a printf attribute.
	* x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
	when jumping over bytes.
	* object.cc: Instantiate Object::read_section_data.
	* debug.h: Include <cstring>
	* dwarf_reader.cc: Include <algorithm>
	* main.cc: Include <cstring>.
	* options.cc: Include <cstring>.
	* output.cc: Include <cstring>.
	* script.cc: Include <cstring>.
	* script.h: Include <string>.
	* symtab.cc: Include <cstring> and <algorithm>.
	* target-select.cc: Include <cstring>.
	* version.cc: Include <string>.
	* testsuite/testmain.cc: Include <cstdlib>.
	* configure, config.in: Rebuild.
2008-03-26 23:36:46 +00:00
Ian Lance Taylor
be3e620119 Don't get confused about whether a symbol is the default version if we
see a later reference to it.  Add tests for this case.
2008-03-14 05:57:19 +00:00
Ian Lance Taylor
7d1a9ebbf2 Remove gcc 3.2 compatibility hacks. 2008-02-29 19:19:17 +00:00
Ian Lance Taylor
fbfba50887 Support creating empty output when there are no input objects. 2008-02-06 20:32:10 +00:00
Ian Lance Taylor
494e05f440 Parse a SECTIONS clause in a linker script. 2008-01-23 01:31:13 +00:00
Ian Lance Taylor
091244672e From Andrew Chatham and Craig Silverstein: Add support for version
scripts.
2008-01-15 23:41:28 +00:00
Ian Lance Taylor
9a0910c33e From Craig Silverstein: Add support for compressing .debug_str section. 2007-11-30 00:35:27 +00:00
Ian Lance Taylor
fa99aa0984 Use AC_GNU_SOURCE. 2007-10-24 18:11:23 +00:00
Ian Lance Taylor
fe9a4c1201 Add infrastructure for threading support. 2007-10-17 06:24:50 +00:00
Ian Lance Taylor
097ec620e1 Only run static TLS tests on glibc 2.4 or later. 2007-10-14 03:57:22 +00:00
Ian Lance Taylor
e44fcf3bcf Add --stats option to print runtime and memory usage statistics. 2007-10-12 05:51:25 +00:00
Ian Lance Taylor
8486ee48e8 Add --version option. 2007-10-07 18:06:27 +00:00
Ian Lance Taylor
6eee141ff6 Add a TLS test case. 2007-10-07 17:10:10 +00:00
Ian Lance Taylor
ad2d6943a4 Full support for --sysroot. 2007-10-04 05:49:04 +00:00
Ian Lance Taylor
63402fe413 From Craig Silverstein: don't run function pointer non-PIC tests when
they won't work.
2007-10-02 22:45:07 +00:00
Ian Lance Taylor
6df6da4a61 Clean up target handling--only build required files, warn about
unsupported targets.
2007-09-30 23:41:32 +00:00
Ian Lance Taylor
82dcae9de0 Rework File_read interface. Get file size. Use pread when
available.
2007-09-25 06:43:17 +00:00
Ian Lance Taylor
537b5f51e5 Add bootstrap test. 2007-09-22 20:11:12 +00:00
Ian Lance Taylor
193a53d920 Add support for --enable-target to control which template
specializations we generate.
2007-09-04 20:00:53 +00:00
Ian Lance Taylor
5a6f7e2db5 Added a testsuite. More support for COPY relocations. 2006-11-30 23:52:50 +00:00
Ian Lance Taylor
dbe717effb More dynamic object support, initial scripting support. 2006-11-14 19:21:05 +00:00
Ian Lance Taylor
92e059d8dc Framework for relocation scanning. Implement simple static TLS
relocations.
2006-10-20 20:40:49 +00:00
Ian Lance Taylor
d288e464ac g++ 3.2.2 portability for grhat. 2006-09-26 21:20:56 +00:00
Ian Lance Taylor
54dc642545 More section layout code. 2006-09-26 21:00:34 +00:00
Ian Lance Taylor
bae7f79e03 Initial CVS checkin of gold 2006-08-04 23:10:59 +00:00