Commit graph

619 commits

Author SHA1 Message Date
Ian Lance Taylor
8a4c0b0d7e * layout.cc (Layout::find_or_add_kept_section): New function.
(Layout::add_comdat): Removed.
	* layout.h (struct Kept_section): Move out of class Layout.
	Remove trailing underscores from field names.  Add group_sections
	field.  Rename group_ field to is_group.  Change all uses.
	(class Layout): Declare find_or_add_kept_section, not add_comdat.
	* object.cc (Sized_relobj::Sized_relobj): Don't initialize
	comdat_groups_ field.
	(Sized_relobj::include_section_group): Use
	find_or_add_kept_section and Kept_section::group_sections.
	(Sized_relobj::include_linkonce_section): Likewise.
	* object.cc (class Sized_relobj): Don't define Comdat_group or
	Comdat_group_table.  Remove find_comdat_group and
	add_comdat_group.  Remove comdat_groups_ field.
	* plugin.cc (include_comdat_group): Use
	Layout::find_or_add_kept_section.
2009-03-01 22:22:02 +00:00
Ian Lance Taylor
14359ca0dc * README: --gc-sections and map files are now supported. Document
some build requirements.
2009-02-28 18:08:30 +00:00
Ian Lance Taylor
b4ecf66bbe PR 6992
* symtab.cc (Symbol_table::sized_write_section_symbol): In a
	relocatable link set the value of the section symbol to zero.
	* object.cc (Sized_relobj::do_finalize_local_symbols): In a
	relocatable link don't include the section address in the local
	symbol value.
2009-02-28 17:53:16 +00:00
Ian Lance Taylor
fd9d194f04 PR 6811
* options.h (class Search_directory): Add is_system_directory.
	(class General_options): Declare is_in_system_directory.
	* options.cc (get_relative_sysroot): Make static.
	(get_default_sysroot): Make static.
	(General_optoins::is_in_system_directory): New function.
	* fileread.cc (Input_file::is_in_system_directory): New function.
	* fileread.h (class Input_file): Declare is_in_system_directory.
	* object.h (class Object): Add is_in_system_directory.
	(class Input_objects): Remove system_library_directory_ field.
	* object.cc (Input_objects::add_object): Don't set
	system_library_directory_.
	(input_objects::found_in_system_library_directory): Remove.
	* symtab.cc (Symbol_table::write_globals): Remove input_objects
	parameter.  Change all callers.
	(Symbol_table::sized_write_globals): Likewise.
	(Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
	Call Object::is_in_system_directory.
	* symtab.h (class Symbol_table): Update declarations.
2009-02-28 04:39:57 +00:00
Ian Lance Taylor
61edd21fa4 PR 5990
* descriptors.h (Open_descriptor): Add is_on_stack field.
	* descriptors.cc (Descriptors::open): If the descriptor is on the
	top of the stack, remove it.  Initialize is_on_stack field.
	(Descriptors::release): Only add pod to stack if it is not on the
	stack already.
	(Descriptors::close_some_descriptor): Clear stack_next and
	is_on_stack fields.
2009-02-28 03:05:08 +00:00
Ian Lance Taylor
e29e076ab8 PR 7091
* output.cc (Output_section::find_starting_output_address): Rename
	from starting_output_address; add PADDR parameter; change return
	type.
	* output.h (class Output_section): Declare
	find_starting_output_address instead of starting_output_address.
	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
	section symbol for which we can't find a merge section.
2009-02-28 00:12:26 +00:00
Ian Lance Taylor
0602e05a84 PR 9836
* symtab.cc (Symbol_table::add_from_object): If the visibility is
	hidden or internal, force the symbol to be local.
	* resolve.cc (Symbol::override_visibility): Define.
	(Symbol::override_base): Use override_visibility.
	(Symbol_table::resolve): Likewise.
	(Symbol::override_base_with_special): Likewise.
	(Symbol_table::override_with_special): If the visibility is hidden
	or internal, force the symbol to be local.
	* symtab.h (class Symbol): Add set_visibility and
	override_visibility.
	* testsuite/ver_test_1.sh: New file.
	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
	(check_DATA): Add ver_test_1.syms.
	(ver_test_1.syms): New target.
	* testsuite/Makefile.in: Rebuild.
2009-02-27 19:57:46 +00:00
Cary Coutant
401a9a7392 * layout.cc (Layout::choose_output_section): Don't rename sections
when using a linker script that has a SECTIONS clause.
	* Makefile.in: Regenerate.

	* testsuite/Makefile.am (script_test_5.sh): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/script_test_5.cc: New file.
	* testsuite/script_test_5.sh: New file.
	* testsuite/script_test_5.t: New file.
2009-02-25 19:05:21 +00:00
Cary Coutant
f488e4b0e9 (From Rafael Espindola)
* archive.cc (Archive::include_member): Update calls to add_symbols.
	* dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
	the Layout argument.
	* dynobj.h (do_add_symbols): Add the Layout argument.
	* object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
	Layout argument.
	* object.h (Object::add_symbols): Add the Layout argument.
	(Object::do_add_symbols): Add the Layout argument.
	(Sized_relobj::do_add_symbols): Add the Layout argument.
	* plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
	Unify the two versions.
	(Add_plugin_symbols): Remove.
	* plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
	(Sized_pluginobj::do_add_symbols): Unify the two versions.
	(Add_plugin_symbols): Remove.
	* readsyms.cc (Read_symbols::do_read_symbols): Update call to
	Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
	(Add_symbols::run): Make it work with Pulginobj.
2009-02-13 19:04:45 +00:00
Ian Lance Taylor
89dd16802f * object.cc (Sized_relobj::do_layout): Make info message start
with lower case letter.
2009-02-07 01:05:15 +00:00
Ian Lance Taylor
602b464ef1 * binary.cc: Fix file comment. 2009-02-07 01:03:32 +00:00
Ian Lance Taylor
266d0a7434 * options.h (enum Incremental_disposition): Define.
(class General_options): Add new options: --incremental,
	--incremental_changed, --incremental_unchanged,
	--incremental_unknown.  Add incremental_disposition_ and
	implicit_incremental_ fields.
	(General_options::incremental_disposition): New function.
	(class Position_dependent_options): Add incremental_disposition
	option.
	(Position_dependent_options::copy_from_options): Set incremental
	dispositions.
	* options.cc (General_options::parse_incremental_changed): New
	function.
        (General_options::parse_incremental_unchanged): New function.
        (General_options::parse_incremental_unknown): New function.
        (General_options::General_options): Initialize new fields
	incremental_disposition_ and implicit_incremental_.
        (General_options::finalize): Check for uasge of --incremental-*
	without --incremental.
2009-02-06 23:49:43 +00:00
Chris Demetriou
f073bbf7e0 2009-02-06 Chris Demetriou <cgd@google.com>
* gold.h (gold_undefined_symbol): Change to take only a Symbol
	pointer and to report location as the file name associated with
	the symbol.
	(gold_undefined_symbol_at_location): New function to replace the
	old gold_undefined_symbol functionality.
	* target-reloc.h (relocate_section): Update to use
	gold_undefined_symbol_at_location.
	* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
	Call gold_undefined_symbol function rather than gold_error.
	* errors.h (Errors::undefined_symbol): Take location as a
	string, rather than calculating it from a relocation.
	* errors.cc (Errors::fatal): Print "fatal error:" before the
	formatted message.
	(Errors::error, Errors::error_at_location): Print "error: "
	before the formatted message.
	(Errors::undefined_symbol): Take location as a string, rather
	than calculating it from a relocation.
	(gold_undefined_symbol_at_location): New function akin to
	old gold_undefined_symbol, calculates location from relocation.
	(gold_undefined_symbol): Change to take only a Symbol pointer
	and to report location as the file name associated with the symbol.
	* testsuite/debug_msg.sh: Update for changed error messages.
	* testsuite/undef_symbol.sh: Likewise.
2009-02-06 19:20:10 +00:00
Ian Lance Taylor
8e94a90cbc PR 9812
* reduced_debug_output.h
	(Output_reduced_debug_abbrev_section::failed): Use format for
	gold_warning.
	(Output_reduced_debug_info_section::faild): Likewise.
2009-02-04 15:18:51 +00:00
Ian Lance Taylor
88a0e15ba8 * script.cc (Lazy_demangler): New class.
(Version_script_info::get_symbol_version_helper): Demangle a
	symbol only once.
2009-02-01 00:45:28 +00:00
Cary Coutant
5efc7cd2d6 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
to __tls_get_addr.
	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.

	* ChangeLog: Fixed typo in previous ChangeLog entry (version 1.9).
2009-01-30 00:21:46 +00:00
Ian Lance Taylor
75fe7426f9 * version.cc (version_string): Bump to 1.8. 2009-01-28 20:18:11 +00:00
Ian Lance Taylor
e0ebcf42c2 * gold.h: Include <cstring> and <stdint.h>.
* version.cc: Include <cstdio>.
	* object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
	warning.
	* reduced_debug_output.cc (insert_into_vector): Rename from
	Insert_into_vector; change all callers.  Use Swap_unaligned to
	avoid aliasing issue; remove union since it is unnecessary.
2009-01-28 20:09:18 +00:00
Sriraman Tallam
8e2813be52 Wrong date and missing space in last checkin. 2009-01-28 02:27:07 +00:00
Sriraman Tallam
6d03d481a0 2009-01-20 Sriraman Tallam <tmsriram@google.com>
* Makefile.am (CCFILES): Add gc.cc.
	(HFILES): Add gc.h.
	* Makefile.in: Regenerate.
	* gold.cc (Gc_runner): New class.
	(queue_initial_tasks): Call garbage collection related tasks
	when corresponding options are invoked.
	(queue_middle_gc_tasks): New function.
	(queue_middle_tasks): Reorder tasks to allow relocs to be read and
	processed early before laying out sections during garbage collection.
	* gold.h (queue_middle_gc_tasks): New function.
	(is_prefix_of): Move from "layout.cc".
	* i386.cc (Target_i386::gc_process_relocs): New function.
	* layout.cc (is_prefix_of): Remove. Move to "gold.h"
	* main.cc (main): Create object of class "Garbage_collection".
	* object.cc (Relobj::copy_symbols_data): New function.
	(Relobj::is_section_name_included): New function.
	(Sized_relobj::do_layout): Allow this function to be called twice
	during garbage collection and defer layout of section during the
	first call.
	* object.h (Relobj::get_symbols_data): New function.
	(Relobj::is_section_name_included): New function.
	(Relobj::copy_symbols_data): New function.
	(Relobj::set_symbols_data): New function.
	(Relobj::get_relocs_data): New function.
	(Relobj::set_relocs_data): New function.
	(Relobj::is_output_section_offset_invalid): New pure virtual function.
	(Relobj::gc_process_relocs): New function.
	(Relobj::do_gc_process_relocs): New pure virtual function.
	(Relobj::sd_): New data member.
	(Sized_relobj::is_output_section_offset_invalid): New function.
	(Sized_relobj::do_gc_process_relocs): New function.
	* options.h (General_options::gc_sections): Modify to not be a no-op.
	(General_options::print_gc_sections): New option.
	* plugin.cc (Plugin_finish::run): Remove function call to
	Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
	* powerpc.cc (Target_powerpc::gc_process_relocs): New function.
	* reloc.cc (Read_relocs::run): Add task to process relocs and
	determine unreferenced sections when doing garbage collection.
	(Gc_process_relocs): New class.
	(Sized_relobj::do_gc_process_relocs): New function.
	(Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
	sections that are garbage collected.
	* reloc.h (Gc_process_relocs): New class.
	* sparc.cc (Target_sparc::gc_process_relocs): New function.
	* symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
	symbols whose corresponding sections are garbage collected.
	(Symbol_table::Symbol_table): Add new parameter for the garbage
	collection object.
	(Symbol_table::gc_mark_undef_symbols): New function.
	(Symbol_table::gc_mark_symbol_for_shlib): New function.
	(Symbol_table::gc_mark_dyn_syms): New function.
	(Symbol_table::resolve): Do not treat symbols seen in dynamic objects
	as garbage.
	(Symbol_table::add_from_object): Likewise.
	(Symbol_table::add_from_relobj): When building shared objects, do not
	treat externally visible symbols as garbage.
	(Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
	table information for static and relocatable links.
	* symtab.h (Symbol_table::set_gc): New function.
	(Symbol_table::gc): New function.
	(Symbol_table::gc_mark_undef_symbols): New function.
	(Symbol_table::gc_mark_symbol_for_shlib): New function.
	(Symbol_table::gc_mark_dyn_syms): New function.
	(Symbol_table::gc_): New data member.
	* target.h (Sized_target::gc_process_relocs): New pure virtual
	function.
	* x86_64.cc (Target_x86_64::gc_process_relocs): New function.
	* testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2009-01-28 02:25:33 +00:00
Christopher Faylor
3b2935444f * options.h (General_options::gc_sections): Define as a no-op for now.
(General_options::no_keep_memory): Ditto.
(General_options::Bshareable): Define.
* options.cc (General_options::finalize): Honor -Bshareable.
2009-01-23 17:05:16 +00:00
Andreas Schwab
83d22aa855 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
read the value in the contents, since we don't use it.  Use the
template endianness when writing.
(Relocate::relocate): Use it for R_PPC_REL16_HA.
2009-01-20 16:12:00 +00:00
Andreas Schwab
cd536b21e2 * configure.tgt (powerpc64-*): Fix targ_obj. 2009-01-19 19:55:26 +00:00
Ian Lance Taylor
99e9a495d5 * object.cc (Sized_relobj::write_local_symbols): Don't write out
local symbols when stripping all symbols.
2009-01-15 18:10:54 +00:00
Cary Coutant
bbbfea06e5 * output.cc (Output_reloc): Add explicit instantiations. 2009-01-15 02:18:11 +00:00
Cary Coutant
0f7c0701ba * archive.cc (Archive::get_elf_object_for_member): Remove call
to File_read::claim_for_plugin.
	* descriptors.cc (Descriptors::open): Remove reference to
	is_claimed.
	(Descriptors::claim_for_plugin): Remove.
	* descriptors.h (Descriptors::claim_for_plugin): Remove.
	(Descriptors::is_claimed): Remove.
	(claim_descriptor_for_plugin): Remove.
	* fileread.cc (File_read::claim_for_plugin): Remove.
	* fileread.h (File_read::claim_for_plugin): Remove.
	(File_read::descriptor): Reopen descriptor if necessary.
	* plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
	(Plugin_manager::all_symbols_read): Add task parameter. Change
	all callers.
	(Plugin_manager::get_input_file): New function.
	(Plugin_manager::release_input_file): New function.
	(Pluginobj::Pluginobj): Add filesize parameter and initialize
	corresponding data member.
	(Sized_pluginobj::Sized_pluginobj): Add filesize parameter
	and pass to base constructor. Change all callers.
	(get_input_file, release_input_file): New functions.
	(make_sized_plugin_object): Add filesize parameter. Change all callers.
	* plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
	(Plugin_manager::all_symbols_read): Add task parameter.
	(Plugin_manager::get_input_file): New function.
	(Plugin_manager::release_input_file): New function.
	(Plugin_manager::task_): New data member.
	(Pluginobj::Pluginobj): Add filesize parameter.
	(Pluginobj::filename): New function.
	(Pluginobj::descriptor): New function.
	(Pluginobj::filesize): New function.
	(Pluginobj::filesize_): New data member.
	(Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
	* readsyms.cc (Read_symbols::do_read_symbols): Remove call to
	File_read::claim_for_plugin; use Object::unlock to unlock the file.

	* testsuite/Makefile.am (plugin_test_4): New test case for plugins
	with archive libraries.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/plugin_test.c (struct sym_info): New type.
	(get_input_file, release_input_file): New static variables.
	(onload): Capture new transfer vector entries.
	(claim_file_hook): Stop reading at end of file according to filesize.
	Factor out parsing of readelf output into separate function.
	(all_symbols_read_hook): Exercise get_input_file and release_input_file
	APIs and get the source file name from the symbol table.  Convert
	source file name to corresponding object file name.  Print info
	message when adding new input files.
	(parse_readelf_line): New function.
	* testsuite/plugin_test_1.sh: Add checks for new info messages.
	* testsuite/plugin_test_2.sh: Likewise.
	* testsuite/plugin_test_3.sh: Likewise.
	* testsuite/plugin_test_4.sh: New test case.
2009-01-15 01:29:25 +00:00
Ian Lance Taylor
62a6d10909 * version.cc (version_string): Bump to 1.8. 2009-01-07 21:39:25 +00:00
Cary Coutant
483620e86f * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
* plugin.cc (Plugin_manager::finish): Rename as
	layout_deferred_objects.  Move cleanup to separate function.
	(Plugin_manager::cleanup): New function.
	(Plugin_finish::run): Call layout_deferred_objects and cleanup
	separately.
	* plugin.h (Plugin_manager::finish): Rename as
	layout_deferred_objects.
	(Plugin_manager::cleanup): New function.
	(Plugin_manager::cleanup_done): New field.
2008-12-24 06:17:18 +00:00
Cary Coutant
d66a9eb3f0 * plugin.cc (is_visible_from_outside): New function.
(Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
	so we don't return "IR only" status for exported symbols or -r links.

	* testsuite/Makefile.am (plugin_test_3): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/plugin_test_3.sh: New file.
2008-12-23 23:46:55 +00:00
Cary Coutant
5995b57073 * object.cc (Sized_relobj::layout_section): New function.
(Sized_relobj::do_layout): Defer layout of input sections until after
	plugin has provided replacement files.
	(Sized_relobj::do_layout_deferred_sections): New function.
	* object.h (Relobj::set_section_offset): Remove virtual keyword.
	(Relobj::layout_deferred_sections): New function.
	(Relobj::do_layout_deferred_sections): New function.
	(Sized_relobj::do_layout_deferred_sections): New function.
	(Sized_relobj::layout_section): New function.
	(Sized_relobj::Deferred_layout): New structure.
	(Sized_relobj::deferred_layout_): New field.
	* plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
	Change all callers.  Layout deferred sections.
	(class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
	references.
	(Plugin_hook::run): Move code from do_plugin_hook inline.
	(Plugin_hook::do_plugin_hook): Remove.
	* plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
	(Plugin_manager::finish): Renamed, was cleanup.
	(Plugin_manager::should_defer_layout): New function.
	(Plugin_manager::add_deferred_layout_object): New function.
	(Plugin_manager::Deferred_layout_list): New type.
	(Plugin_manager::deferred_layout_objects_): New field.
	(Plugin_hook::do_plugin_hook): Remove.
2008-12-23 02:02:20 +00:00
Ian Lance Taylor
ee769c8852 * options.h (class General_options): Add --no case for
--export-dynamic.
2008-12-18 01:53:38 +00:00
Cary Coutant
abc8dcbad2 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
vector.
	(Plugin_manager::claim_file): Create plugin object even if
	plugin did not call the add_symbols callback.
	(Plugin_obj::get_symbol_resolution_info): Guard against plugin
	asking for more symbols than were added.
	* testsuite/Makefile.am (plugin_test_1): Add test case with
	no global symbols.
	(empty.syms): New target.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/plugin_test.c (claim_file_hook): Add new debug
	message. Don't call add_symbols if no globals.
	(all_symbols_read_hook): Don't provide replacement for empty
	claimed file.
2008-12-16 19:19:16 +00:00
Ian Lance Taylor
6894310219 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
r_type == 0 for a local symbol with r_sym == 0.
	(scan_relocatable_relocs): Pass r_sym to
	local_non_section_strategy.
	* reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
	r_sym parameter.
2008-12-12 16:33:05 +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
Ian Lance Taylor
c250817872 PR 7091
* target-reloc.h (Default_scan_relocatable_relocs): For each
	function, map r_type == 0 to RELOC_DISCARD.
2008-12-12 02:41:39 +00:00
Cary Coutant
2756a25828 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
object to override a kept COMDAT group from a plugin object.
2008-12-10 19:50:14 +00:00
Ian Lance Taylor
fbc558e16b PR 7088
* yyscript.y (file_cmd): Handle INPUT.
2008-12-09 16:09:32 +00:00
Ian Lance Taylor
bb6f53d37a * testsuite/initpri1.c: Change all declarations to be full
prototypes by adding void, to avoid compiler warnings.
2008-12-09 16:03:47 +00:00
Cary Coutant
4674ecfcf4 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
* options.cc (General_options::parse_plugin_opt): New.
	(General_options::add_plugin): The argument now is just the filename.
	(General_options::add_plugin_option): New.
	* options.h (plugin_opt): New.
	(add_plugin): Change argument name.
	(add_plugin_option): New.
	* plugin.cc (Plugin::load): Don't parse the plugin option.
	* plugin.h (Plugin::Plugin): Rename argument. Init filename_.
	(Plugin::add_option): New.
	(Plugin::args_): Change type.
	(Plugin::filename_): New.
	(Plugin_manager::add_plugin_option): New.
	* testsuite/Makefile.am (plugin_test_1): Use new syntax.
	* testsuite/Makefile.in: Regenerate.
2008-12-05 21:34:54 +00:00
Cary Coutant
fd06b4aa51 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
Handle --strip-lto-sections option.
	* options.h (strip_lto_sections): New option.
2008-12-05 21:13:35 +00:00
Cary Coutant
6c52134ce6 gold/ChangeLog:
* plugin.cc (ld_plugin_message): Change format parameter to const.
	Fix mismatch between new[] and delete.

include/ChangeLog:

	* plugin-api.h (ld_plugin_message): Change format parameter to const.
2008-12-01 19:50:49 +00:00
Cary Coutant
a45248e086 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
instead of -1U.
2008-11-15 01:40:23 +00:00
Craig Silverstein
c82fbeee59 * options.cc (General_options::parse_dynamic_list): New function.
* options.h (General_options): New flags dynamic_list,
	dynamic_list_data, dynamic_list_cpp_new, and
	dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
	(General_options::in_dynamic_list): New function.
	* script.cc (Lex::Mode): New enum DYNAMIC_LIST.
	(Lex::can_start_name): Add support for DYNAMIC_LIST mode.
	(Lex::can_continue_name): Likewise.
	(yylex): Likewise.
	(read_script_file): New parameter script_options.
	(read_dynamic_list): New function.
	(Script_options::define_dynamic_list): New function.
	(dynamic_list_keyword_parsecodes): New variable.
	(dynamic_list_keywords): New variable.
	* script.h (Script_options::define_dynamic_list): New function
	prototype.
	(read_dynamic_list): New function prototype.
	* symtab.cc (strprefix): New macro.
	(Symbol::should_add_dynsym_entry): Support dynamic_list,
	dynamic_list_data, dynamic_list_cpp_new, and
	dynamic_list_cpp_typeinfo.
	* yyscript.y (PARSING_DYNAMIC_LIST): New token.
	(dynamic_list_expr): New rule.
	(dynamic_list_nodes): Likewise.
	(dynamic_list_node): Likewise.
	* testsuite/Makefile.am (dynamic_list): New test.
	* testsuite/Makefile.in: Regenerated.
	* testsuite/dynamic_list.t: New file.
	* testsuite/dynamic_list.sh: New file.
2008-11-06 07:23:31 +00:00
Craig Silverstein
e0bb29a584 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
* testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
	(t11_last): Likewise.
	* testsuite/ver_test_6.c (main): Likewise.
2008-11-06 00:44:32 +00:00
Cary Coutant
4e1e25e084 * options.c (General_options::finalize): Add check for -static and
-shared.
	* gold.cc (queue_middle_tasks): Assert that list of dynamic objects
	is not empty.
2008-10-07 23:40:21 +00:00
Cary Coutant
92f03fcbe1 * plugin.cc (make_sized_plugin_object): Fix conditional
compilation to work when not all targets are enabled.
2008-10-02 18:35:51 +00:00
Cary Coutant
81636b3fef Added missing files to ChangeLog entry. 2008-09-29 21:26:39 +00:00
Cary Coutant
fbd8a2572e * archive.cc (Archive::get_file_and_offset): Use filename instead
of name to get library path.
	(Archive::include_member): Unlock external member of a thin archive.

	* testsuite/Makefile.am (TEST_AR): New variable.
	(thin_archive_test_1): New test.
	(thin_archive_test_2): New test.
2008-09-29 21:23:02 +00:00
Cary Coutant
eff458138e * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
* object.cc (Sized_relobj::do_layout): Use constant invalid_address
	instead of -1U.
	(Sized_relobj::do_finalize_local_symbols): Likewise.
	(Sized_relobj::map_to_kept_section): Likewise.
	* object.h (Sized_relobj::invalid_address): New constant.
	(Sized_relobj::do_output_section_offset): Check for invalid_address
	and return -1ULL.
	* output.cc (Output_reloc::local_section_offset): Use constant
	invalid_address instead of -1U.
	(Output_reloc::get_address): Likewise.
	(Output_section::output_address): Change -1U to -1ULL.
	* output.h (Output_reloc::invalid_address): New constant.
	* reloc.cc (Sized_relobj::write_sections): Use constant
	invalid_address instead of -1U.
	(Sized_relobj::relocate_sections): Likewise.
	* symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
	values for merge sections.
	* target-reloc.h (relocate_for_relocatable): Use constant
	invalid_address instead of -1U.
2008-09-29 21:10:26 +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
Ian Lance Taylor
9c2d0ef98a * target-reloc.h (relocate_section): Check whether a symbol is
defined by the ABI before reporting an undefined symbol error.
	* target.h (Target::is_defined_by_abi): Make parameter const.
	(Target::do_is_defined_by_abi): Likewise.
	* i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
	* powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
	* sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
	* x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
	* testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
	* testsuite/Makefile.in: Rebuild.
2008-09-16 17:23:37 +00:00
Ian Lance Taylor
de31bda5f6 * fileread.cc (make_view): Add casts to avoid warning. 2008-09-16 17:17:22 +00:00
Alexandre Oliva
9fa33bee6a * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2008-09-16 04:31:25 +00:00
Alexandre Oliva
183fd0e3ed * options.h (General_options::output_is_executable): New.
(General_options::output_is_pie): New.
* i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
for shared libraries.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2008-09-16 04:23:29 +00:00
Chris Demetriou
7be8330a59 2008-09-11 Chris Demetriou <cgd@google.com>
* options.h (origin): New -z option.
        * layout.cc (Layout:finish_dynamic_section): If "-z origin"
        is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
        in DT_FLAGS_1.
2008-09-12 05:42:29 +00:00
Cary Coutant
a9caad024e 2008-09-05 Cary Coutant <ccoutant@google.com>
* fileread.cc (File_read::make_view): Add check for attempt to map
	beyond end of file.
2008-09-10 17:56:02 +00:00
Cary Coutant
ae6dce4daa 2008-09-05 Cary Coutant <ccoutant@google.com>
* symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
	explicit instantiations.
2008-09-06 01:13:00 +00:00
Kris Van Hees
d7ab2a4705 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
PR gold/6858
        * options.cc (General_options::finalize): Allow undefined symbols
        in shlibs if linking -shared.

        PR gold/6859
        * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
        symbols as not needing a dynsym entry.
2008-08-28 14:51:04 +00:00
Craig Silverstein
1e52a9c187 2008-08-20 Craig Silverstein <csilvers@google.com>
* fileread.cc (File_read::open): Do not lock the file unless it
	was successfully opened.
2008-08-21 00:30:13 +00:00
Cary Coutant
d85c80a353 2008-08-14 Cary Coutant <ccoutant@google.com>
* x86_64.cc (Target_x86_64::Relocate::relocat_tls):
	Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
	* testsuite/tls_test.cc (struct int128): 128-bit struct
	for testing TLS relocs with non-zero addend.
	(v12): New TLS variable.
	(t12): New test.
	(t_last): Add check for v12.
	* testsuite/tls_test.h (t12): New function.
	* testsuite/tls_test_main.cc (thread_routine): Call new test.
2008-08-15 04:57:46 +00:00
Ian Lance Taylor
2d924fd9eb * layout.cc (Layout::attach_allocated_section_to_segment): Don't
set tls_segment_ or relro_segment_.
	(Layout::make_output_segment): Set tls_segment_ and relro_segment_
	when appropriate.
	* output.h (Output_section::clear_is_relro): New function.
	* output.cc (Output_segment::add_output_section): Handle SHF_TLS
	sections specially even when output_data_ is empty.
	(Output_segment::maximum_alignment): When first section is relro,
	only force alignment for PT_LOAD segments.
	* script.cc (script_data_segment_align): New function.
	(script_data_segment_relro_end): New function.
	* script-c.h (script_data_segment_align): Declare.
	(script_data_segment_relro_end): Declare.
	* script-sections.h (class Script_sections): Declare
	data_segment_align and data_segment_relro_end.  Add fields
	segment_align_index_ and saw_relro_end_.
	* script-sections.cc (class Sections_element): Add set_is_relro
	virtual function.  Add new bool* parameter to place_orphan_here.
	Add get_output_section virtual function.
	(class Output_section_definition): Add set_is_relro.  Add new
	bool* parameter to place_orphan_here.  Add get_output_section.
	Add is_relro_ field.
	(Output_section_definition::Output_section_definition): Initialize
	evaluated_address_, evaluated_load_address, evaluated_addralign_,
	and is_relro_ fields.
	(Output_section_definition::place_orphan_here): Add is_relro
	parameter.
	(Output_section_definition::set_section_addresses): Set relro for
	output section.
	(Output_section_definition::alternate_constraint): Likewise.
	(class Orphan_output_section): Add new bool* parameter to
	place_orphan_here.  Add get_output_section.
	(Orphan_output_section::place_orphan_here): Add is_relro
	parameter.
	(Script_sections::Script_sections): Initialize
	data_segment_align_index_ and saw_relro_end_.
	(Script_sections::data_segment_align): New function.
	(Script_sections::data_segment_relro_end): New function.
	(Script_sections::place_orphan): Set or clear is_relro.
	(Script_sections::set_section_addresses): Force alignment of first
	TLS section.
	* yyscript.y (exp): Call script_data_segment_align and
	script_data_segment_relro_end.
	* testsuite/relro_script_test.t: New file.
	* testsuite/relro_test.cc (using_script): Declare.
	(t1, t2): Test using_script.
	* testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
	(relro_script_test_SOURCES): Define.
	(relro_script_test_DEPENDENCIES): Define.
	(relro_script_test_LDFLAGS): Define.
	(relro_script_test_LDADD): Define.
	(relro_script_test.so): New target.
	* testsuite/Makefile.in: Rebuild.
2008-08-13 07:37:46 +00:00
Cary Coutant
f827c9a9d7 2008-08-06 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::total_archives, Archive::total_members)
	(Archive::total_members_loaded): New variables.
	(Archive::setup): Add parameter.  Add option to preread
	archive symbols.
	(Archive::read_armap): Add counter.
	(Archive::get_file_and_offset): New function.
	(Archive::get_elf_object_for_member): New function.
	(Archive::read_all_symbols): New function.
	(Archive::read_symbols): New function.
	(Archive::add_symbols): Add counters.
	(Archive::include_all_members): Use armap to find members if it's
	already built.
	(Archive::include_member): Skip reading symbols if already read.
	Factored code into Archive::get_file_and_offset and
	Archive::get_elf_object_for_member.  Changed call to
	Mapfile::report_include_archive_member.
	(Archive::print_stats): New function.
	* archive.h: Declare Object and Read_symbols_data classes.
	(Archive::Archive): Add initializers for new members.
	(Archive::setup): Add parameter.
	(Archive::print_stats): New function.
	(Archive::total_archives, Archive::total_members)
	(Archive::total_members_loaded): New variables.
	(Archive::get_file_and_offset): New function.
	(Archive::get_elf_object_for_member): New function.
	(Archive::read_all_symbols): New function.
	(Archive::read_symbols): New function.
	(Archive::Archive_member): New class.
	(Archive::members_): New member.
	(Archive::num_members_): New member.
	* main.cc: Include archive.h.
	(main): Call Archive::print_stats.
	* mapfile.cc (Mapfile::report_include_archive_member): Delete
	archive parameter; member_name is now the fully-decorated name.
	* mapfile.h (Mapfile::report_include_archive_member): Likewise.
	* options.h: (General_options): Add --preread-archive-symbols option.
	* readsyms.cc (Read_symbols::do_read_symbols): Change call to
	Archive::setup.
2008-08-07 17:16:36 +00:00
Cary Coutant
ac45a351cf 2008-08-06 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::total_archives, Archive::total_members)
	(Archive::total_members_loaded): New variables.
	(Archive::setup): Add parameter.  Add option to preread
	archive symbols.
	(Archive::read_armap): Add counter.
	(Archive::get_file_and_offset): New function.
	(Archive::get_elf_object_for_member): New function.
	(Archive::read_all_symbols): New function.
	(Archive::read_symbols): New function.
	(Archive::add_symbols): Add counters.
	(Archive::include_all_members): Use armap to find members if it's
	already built.
	(Archive::include_member): Skip reading symbols if already read.
	Factored code into Archive::get_file_and_offset and
	Archive::get_elf_object_for_member.  Changed call to
	Mapfile::report_include_archive_member.
	(Archive::print_stats): New function.
	* archive.h: Declare Object and Read_symbols_data classes.
	(Archive::Archive): Add initializers for new members.
	(Archive::setup): Add parameter.
	(Archive::print_stats): New function.
	(Archive::total_archives, Archive::total_members)
	(Archive::total_members_loaded): New variables.
	(Archive::get_file_and_offset): New function.
	(Archive::get_elf_object_for_member): New function.
	(Archive::read_all_symbols): New function.
	(Archive::read_symbols): New function.
	(Archive::Archive_member): New class.
	(Archive::members_): New member.
	(Archive::num_members_): New member.
	* main.cc: Include archive.h.
	(main): Call Archive::print_stats.
	* mapfile.cc (Mapfile::report_include_archive_member): Delete
	archive parameter; member_name is now the fully-decorated name.
	* mapfile.h (Mapfile::report_include_archive_member): Likewise.
	* options.h: (General_options): Add --preread-archive-symbols option.
	* readsyms.cc (Read_symbols::do_read_symbols): Change call to
	Archive::setup.
2008-08-07 17:02:11 +00:00
Ian Lance Taylor
de4c45bd54 * symtab.h (Symbol::use_plt_offset): New function.
* i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
	* powerpc.cc (Relocate::relocate): Likewise.
	* sparc.cc (Relocate::relocate): Likewise.
	* x86_64.cc (Relocate::relocate): Likewise.
	* testsuite/weak_plt.sh: New test.
	* testsuite/weak_plt_main.cc: New test.
	* testsuite/weak_plt_shared.cc: New test.
	* testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
	(check_PROGRAMS): Add weak_plt.
	(check_DATA): Add weak_plt_shared.so.
	(weak_plt_main_pic.o, weak_plt): New targets.
	(weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
	* testsuite/Makefile.in: Rebuild.

	* testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
	gcctestdir/ld.
	(weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
	* testsuite/Makefile.in: Rebuild.
2008-08-04 22:22:13 +00:00
Alan Modra
323ee3f41c Set LC_ALL=C rather than unsetting LC_COLLATE for sort. 2008-08-04 06:55:33 +00:00
Ian Lance Taylor
7c07ececf4 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
symbols before other symbols.
	* testsuite/script_test_2.cc (test_addr): Declare.
	(test_addr_alias): Declare.
	(main): Check that test_addr and test_addr_alias have the right
	values.
	* testsuite/script_test_2.t: Define test_addr_alias and
	test_addr.
2008-07-29 22:58:03 +00:00
Ian Lance Taylor
2a00e4fb8e PR 5990
* descriptors.cc: New file.
	* descriptors.h: New file.
	* gold-threads.h (class Hold_optional_lock): New class.
	* fileread.cc: Include "descriptors.h".
	(File_read::~File_read): Release descriptor rather than closing
	it.
	(File_read::open) [file]: Call open_descriptor rather than open.
	Set is_descriptor_opened_.
	(File_read::open) [memory]: Assert that descriptor is not open.
	(File_read::reopen_descriptor): New function.
	(File_read::release): Release descriptor.
	(File_read::do_read): Make non-const.  Reopen descriptor.
	(File_read::read): Make non-const.
	(File_read::make_view): Reopen descriptor.
	(File_read::do_readv): Likewise.
	* fileread.h (class File_read): Add is_descriptor_opened_ field.
	Update declarations.
	* layout.cc: Include "descriptors.h".
	(Layout::create_build_id): Use open_descriptor rather than open.
	* output.cc: Include "descriptors.h".
	(Output_file::open): Use open_descriptor rather than open.
	* archive.cc (Archive::const_iterator): Change Archive to be
	non-const.
	(Archive::begin, Archive::end): Make non-const.
	(Archive::count_members): Likewise.
	* archive.h (class Archive): Update declarations.
	* object.h (Object::read): Make non-const.
	* Makefile.am (CCFILES): Add descriptors.cc.
	(HFILES): Add descriptors.h.
	* Makefile.in: Rebuild.
2008-07-25 04:25:49 +00:00
Ian Lance Taylor
801647d1db PR 6716
* gold.h: Always include <clocale>.  Add Solaris workarounds
	following code in binutils/sysdep.h.
2008-07-24 21:45:50 +00:00
Ian Lance Taylor
5edd166e7d PR 6048
* ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
	this->eh_frame_hdr_ is NULL before using it.
2008-07-24 21:23:09 +00:00
Ian Lance Taylor
c89ad72891 * dynobj.cc (Versions::Versions): Update comment. 2008-07-24 21:21:38 +00:00
Ian Lance Taylor
aa86f06bb6 * dynobj.cc (Versions::Versions): If there is an soname, use it as
the base version name.
2008-07-24 07:26:27 +00:00
Ian Lance Taylor
5778530ea7 * stringpool.cc (Stringpool_template::add_with_length): Set key to
array size plus one.
	(Stringpool_template::set_string_offsets): Subtract one from key
	before using it as an array index.
	(Stringpool_template::get_offset_with_length): Likewise.
	(Stringpool_template::write_to_buffer): Likewise.
	* stringpool.h (Stringpool_template::get_offset_from_key):
	Likewise.
2008-07-24 07:23:20 +00:00
Ian Lance Taylor
7f649c59d1 PR 6658
* object.h (Merged_symbol_value::value): Do our best to handle a
	negative addend.
2008-07-24 01:24:50 +00:00
Ian Lance Taylor
057ead2231 PR 6647
* script.cc (Version_script_info::get_versions): Don't add empty
	version tag to return value.
	(Version_script_info::get_symbol_version_helper): Change return
	type to bool.  Add pversion parameter.  Change all callers.
	(script_register_vers_node): Don't require a non-NULL tag.
	* script.h (class Version_script_info): Update declarations.
	(Version_script_info::get_symbol_version): Change return type to
	bool.  Add version parameter.  Change all callers.
	* symtab.cc (Sized_symbol::add_from_relobj): Rework version
	handling.  Handle an empty version from a version script.
	(Symbol_table::define_special_symbol): Likewise.
	* testsuite/ver_test_10.script: New file.
	* testsuite/ver_test_10.sh: New file.
	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
	(check_DATA): Add ver_test_10.syms.
	(ver_test_10.syms, ver_test_10.so): New target.
	* testsuite/Makefile.in: Rebuild.
2008-07-23 23:44:02 +00:00
Chris Demetriou
58e54ac21d 2008-07-23 Simon Baldwin <simonb@google.com>
* symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
        to zero for undefined symbols from dynamic libraries.
2008-07-23 16:19:59 +00:00
Ian Lance Taylor
95d14cd31e * symtab.cc (Symbol_table::resolve): Remove version parameter.
Change all callers.
	* symtab.h (class Symbol_table): Update declaration.
	* testsuite/ver_test_9.cc: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
	(ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
	(ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
	(ver_test_9.so, ver_test_9.o): New targets.
	* testsuite/Makefile.in: Rebuild.
2008-07-23 14:36:09 +00:00
Ian Lance Taylor
3481085102 * options.h (class General_options): Define --check-sections.
* layout.cc (Layout::set_segment_offsets): Handle
	--check-sections.
2008-07-22 23:55:24 +00:00
Ian Lance Taylor
af6156ef8d * options.h (class General_options): Define -n/--nmagic and
-N/--omagic.
	* options.cc (General_options::finalize): For -n/--nmagic or
	-N/--omagic, set -static.
	* layout.cc (Layout::attach_allocated_section_to_segment): If
	-N/--omagic, don't put read-only and read-write sections in
	different segments.
	(Layout::find_first_load_seg): If -N/--omagic, don't insist on
	finding a read-only segment.
	(Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
	don't set the minimum segment alignment to the common page size,
	and don't set the file offset to the address modulo the page size.
	* script-sections.cc (Script_sections::create_segments): If
	-n/--omagic, don't put read-only and read-write sections in
	different segments.
2008-07-22 23:01:20 +00:00
Ian Lance Taylor
92de84a60c * cref.cc: New file.
* cref.h: New file.
	* options.h (class General_options): Add --print-symbol-counts.
	* main.cc (main): Issue defined symbol report if requested.
	* archive.cc (Archive::interpret_header): Make into a const member
	function.
	(Archive::add_symbols): Call Input_objects::archive_start and
	archive_stop.
	(Archive::const_iterator): Define new class.
	(Archive::begin, Archive::end): New functions.
	(Archive::include_all_members): Rewrite to use iterator.
	(Archive::count_members): New function.
	* archive.h (class Archive): Update declarations.
	(Archive::filename): New function.
	* object.cc: Include "cref.h".
	(Sized_relobj::Sized_relobj): Initialize defined_count_.
	(Sized_relobj::do_get_global_symbol_counts): New function.
	(Input_objects::add_object): Add object to cross-referencer.
	(Input_objects::archive_start): New function.
	(Input_objects::archive_stop): New function.
	(Input_objects::print_symbol_counts): New function.
	* object.h: Declare Cref and Archive.
	(Object::get_global_symbol_counts): New function.
	(Object::do_get_global_symbol_counts): New pure virtual function.
	(class Sized_relobj): Add defined_count_ field.  Update
	declarations.
	(class Input_objects): Add cref_ field.  Update constructor.
	Update declarations.
	* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
	defined_count_.
	(Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
	symbol counts.
	(Sized_dynobj::do_get_global_symbol_counts): New function.
	* dynobj.h (class Sized_dynobj): Add fields symbols_ and
	defined_count_.  Update declarations.  Define Symbols typedef.
	* symtab.cc (Symbol_table::add_from_relobj): Add defined
	parameter.  Change all callers.
	(Symbol_table::add_from_dynobj): Add sympointers and defined
	parameters.  Change all callers.
	* symtab.h (class Symbol_table): Update declarations.
	* Makefile.am (CCFILES): Add cref.cc.
	(HFILES): Add cref.h.
	* Makefile.in: Rebuild.
2008-07-22 22:08:43 +00:00
Chris Demetriou
3f7c5e1d99 2008-07-22 Simon Baldwin <simonb@google.com>
* symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
        to zero when writing undefined symbols.
2008-07-22 21:02:44 +00:00
Ian Lance Taylor
e0b640329e * output.cc (Output_section::add_input_section): Don't try to
merge empty merge sections.
2008-07-22 08:09:48 +00:00
Craig Silverstein
096b02cf4d 2008-07-21 Craig Silverstein <csilvers@google.com>
* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
	Include symbol version in error message.
2008-07-21 23:36:29 +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
a18f591e92 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
where we see NAME/NULL and NAME/VERSION  as separate symbols.
	* testsuite/ver_test_main.cc (main): Call t4.
	(t4, t4_2a): Define.
	* testsuite/ver_test_2.cc (t4_2): Define.
	* testsuite/ver_test_2.script: Put t4_2a in VER2.
	* testsuite/ver_test_4.cc (t4_2a): Define.
	* testsuite/ver_test_4.script: Put t4_2a in VER2.
	* testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2008-07-18 07:03:27 +00:00
Ian Lance Taylor
c6e3f6ed8e * dynobj.cc (Versions::add_def): If we give an error about a
missing version, go ahead and create the version anyhow.
2008-07-18 06:58:04 +00:00
Ian Lance Taylor
ef9beddf72 Handle output sections with more than 0x7fffffff bytes.
* object.h (class Relobj): Change map_to_output_ to
	output_sections_, and just keep a section pointer.  Change all
	uses.  Move comdat group support to Sized_relobj.
	(Relobj::is_section_specially_mapped): Remove.
	(Relobj::output_section): Remove poff parameter.  Change all
	callers.
	(Relobj::output_section_offset): New function.
	(Relobj::set_section_offset): Rewrite.
	(Relobj::map_to_output): Remove.
	(Relobj::output_sections): New function.
	(Relobj::do_output_section_offset): New pure virtual function.
	(Relobj::do_set_section_offset): Likewise.
	(class Sized_relobj): Add section_offsets_ field.  Add comdat
	group support from Relobj.  Update declarations.
	(Sized_relobj::get_output_section_offset): New function.
	(Sized_relobj::do_output_section_offset): New function.
	(Sized_relobj::do_set_section_offset): New function.
	* object.cc (Relobj::output_section_address): Remove.
	(Sized_relobj::Sized_relobj): Initialize new fields.
	(Sized_relobj::include_section_group): Cast find_kept_object to
	Sized_relobj.
	(Sized_relobj::include_linkonce_section): Likewise.
	(Sized_relobj::do_layout): Use separate arrays for output section
	and output offset.
	(Sized_relobj::do_count_local_symbols): Change map_to_output to
	output_sections.
	(Sized_relobj::do_finalize_local_symbols): Change map_to_output to
	output_sections and section_offsets.
	(Sized_relobj::write_local_symbols): Likewise.
	(map_to_kept_section): Compute output address directly.
	* reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
	output_sections and section_offsets.
	(Sized_relobj::write_sections): Likewise.
	(Sized_relobj::relocate_sections): Likewise.
	* symtab.cc (sized_finalize_symbol): Use output_section_offset.
	* output.h (class Output_reloc): Update declarations.  Change
	u2_.relobj to Sized_relobj*.
	(class Output_data_reloc): Change add functions to use
	Sized_relobj*.
	* output.cc (Output_reloc::Output_reloc): Change relobj to
	Sized_relobj*.
	(Output_reloc::local_section_offset): Change return type to
	Elf_Addr.  Use get_output_section_offset.
	(Output_reloc::get_address): Likewise.
	(Output_section::is_input_address_mapped): Don't call
	is_section_specially_mapped.
	(Output_section::output_offset): Likewise.
	(Output_section::output_address): Likewise.
	(Output_section::starting_output_address): Likewise.
	* copy-relocs.cc (Copy_relocs::copy_reloc): Change object
	parameter to Sized_relobj*.
	(Copy_relocs::need_copy_reloc): Likewise.
	(Copy_relocs::save): Likewise.
	* copy-relocs.h (class Copy_relocs): Update declarations.
	(class Copy_relocs::Copy_reloc_entry): Change constructor to use
	Sized_relobj*.  Change relobj_ field to Sized_relobj*.
	* target-reloc.h (relocate_for_relocatable): Change
	offset_in_output_section type to Elf_Addr.  Change code that uses
	it as well.
	* layout.cc (Layout::layout): Always set *off.
	* mapfile.cc (Mapfile::print_input_section): Use
	output_section_offset.
	* i386.cc (Target_i386::copy_reloc): Change object parameter to
	Sized_relobj*.
	* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
	* sparc.cc (Target_sparc::copy_reloc): Likewise.
	* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2008-07-10 23:01:20 +00:00
Ian Lance Taylor
5cb66f97b7 * layout.cc (Layout::include_section): Do not discard unrecognized
SHT_STRTAB sections.
2008-07-04 03:34:01 +00:00
Craig Silverstein
afe4762271 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
* script.cc (Lex::can_continue_name): Make '?' allowable in
        version-script names.
        * testsuite/version_script.map: Change glob pattern to use '?'
2008-06-30 20:59:54 +00:00
Ian Lance Taylor
5adf97213b PR 6585
* symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
	Correct typo.
2008-06-30 18:16:31 +00:00
Ian Lance Taylor
e6fde20876 PR 6660
PR 6682
	* powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
	versions]: Don't try to read the value in the contents, since we
	don't use it.  Use the template endianness when writing.
2008-06-30 16:36:40 +00:00
Cary Coutant
3f2e6a2da5 2008-06-25 Cary Coutant <ccoutant@google.com>
* fileread.cc (File_read::make_view): Assert on zero-length view.
	* object.cc (Sized_relobj::do_read_symbols): Don't try to read
	symbol table when there are no symbols to read.
2008-06-25 17:10:08 +00:00
Craig Silverstein
c43d3a487e * version.cc (version_string): Bump to 1.7 2008-06-24 06:14:58 +00:00
Craig Silverstein
5f494ea0d5 2008-06-18 Craig Silverstein <csilvers@google.com>
* powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
	constant 0xFFFF to type Valtype.
	(Powerpc_relocate_functions::rel16_ha): Likewise.
2008-06-18 22:32:37 +00:00
Ian Lance Taylor
f34787f832 * output.h (Output_section::Input_section): Initialize p2align_ to
zero for Output_section_data constructors.
	(Output_section::Input_section::addralign): If not an input
	section, return the alignment of the Output_section_data.
	* testsuite/copy_test.cc: New file.
	* testsuite/copy_test_1.cc: New file.
	* testsuite/copy_test_2.cc: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
	(copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
	(copy_test_LDFLAGS, copy_test_LDADD): New variables.
	(copy_test_1_pic.o, copy_test_1.so): New targets.
	(copy_test_2_pic.o, copy_test_2.so): New targets.
	* testsuite/Makefile.in: Rebuild.
2008-06-18 04:39:41 +00:00
Ian Lance Taylor
c42e122ead * script-sections.cc (Script_sections::place_orphan): Initialize
local variable exact.
2008-06-18 04:15:52 +00:00
David Edelsohn
ce3ac18a8c * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC. 2008-06-13 17:15:52 +00:00
David Edelsohn
42cacb20ed 2008-06-12 David Edelsohn <edelsohn@gnu.org>
David S. Miller  <davem@davemloft.net>

        * powerpc.cc: New file.
        * Makefile.am (TARGETSOURCES): Add powerpc.cc
        (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
        * configure.tgt: Add entries for powerpc-* and powerpc64-*.
        * Makefile.in: Rebuild.
2008-06-12 17:02:17 +00:00
Ian Lance Taylor
7b3082352f * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
<exception>.
	(throwing, orig_terminate): New static variables.
	(terminate_handler): New static function.
	(t2): Set terminate handler.
2008-06-09 19:12:34 +00:00
Ian Lance Taylor
f0b886e312 PR 6584
* binary.cc (Binary_to_elf::sized_convert): Fix .data
	alignment.
2008-06-05 17:29:44 +00:00
Cary Coutant
3e90f13524 * archive.cc (Archive::include_all_members) Correct to step
over symbol table and extended name table in thin archives.
2008-05-30 21:24:43 +00:00