Commit Graph

47 Commits

Author SHA1 Message Date
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
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 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
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 7d9e3d9854 * mapfile.cc: New file.
* mapfile.h: New file.
	* options.h (class General_options): Add -M/--print-map and -Map.
	* options.cc (General_options::finalize): Make -M equivalent to
	-Map -.
	* main.cc: Include <cstdio> and "mapfile.h".
	(main): Open mapfile if requested.
	* gold.cc (class Middle_runner): Add mapfile_ field.  Update
	constructor.  Change caller.
	(queue_initial_tasks): Add mapfile parameter.  Change caller.
	(queue_middle_tasks): Likewise.
	* gold.h (queue_initial_tasks, queue_middle_tasks): Update
	declarations.
	* archive.cc: Include "mapfile.h".
	(Archive::add_symbols): Add mapfile parameter.  Change all
	callers.  Pass mapfile, symbol, and reason to include_member.
	(Archive::include_all_members): Add mapfile parameter.  Change all
	callers.
	(Archive::include_member): Add mapfile, sym, and why parameters.
	Change all callers.  Report inclusion to map file.
	* archive.h: Include "fileread.h".
	(class Archive): Update declarations.
	(Archive::file): New const method.
	(class Add_archive_symbols): Add mapfile_ field.  Update
	constructor.  Change all callers.
	* readsyms.h (class Read_symbols): Likewise.
	(class Finish_group): Likewise.
	(class Read_script): Likewise.
	* common.cc: Include "mapfile.h".
	(Symbol_table::allocate_commons): Add mapfile parameter.  Change
	all callers.
	(Symbol_table::do_allocate_commons): Likewise.
	(Symbol_table::do_allocate_commons_list): Likewise.  Report common
	symbol allocation to mapfile.
	* common.h (class Allocate_commons_task): Add mapfile_ field.
	Update constructor.  Change all callers.
	* symtab.h (class Symbol_table): Update declarations.
	* layout.cc: Include "mapfile.h".
	(Layout_task_runner::run): Print information to mapfile.
	(Layout::create_gold_note): Change Output_data_fixed_space to
	Output_data_zero_fill.
	(Layout::create_build_id): Likewise.
	(Layout::print_to_mapfile): New function.
	* layout.h (class Layout_task_runner): Add mapfile_ field.  Update
	constructor.  Change caller.
	(class Layout): Declare print_to_mapfile.
	* output.cc (Output_section::Input_section::print_to_mapfile): New
	function.
	(Output_section::add_input_section): If producing a map, always
	add to input_sections_ list.
	(Output_section::do_print_to_mapfile): New function.
	(Output_segment::print_sections_to_mapfile): New function.
	(Output_segment::print_section_list_to_mapfile): New function.
	* output.h: Include "mapfile.h".
	(Output_data::print_to_mapfile): New function.
	(Output_data::do_print_to_mapfile): New virtual function.
	(Output_segment_headers::do_print_to_mapfile): New function.
	(Output_file_header::do_print_to_mapfile): New function.
	(Output_data_const::do_print_to_mapfile): New function.
	(class Output_data_const_buffer): Add map_name_ field.  Update
	constructor.  Change all callers.  Add do_print_to_mapfile
	function.
	(class Output_data_fixed_space): Likewise.
	(class Output_data_space): Likewise.
	(class Output_data_zero_fill): New class.
	(Output_data_strtab::do_print_to_mapfile): New function.
	(Output_data_reloc_base::do_print_to_mapfile): New function.
	(Output_relocatable_relocs::do_print_to_mapfile): New function.
	(Output_data_group::do_print_to_mapfile): New function.
	(Output_data_got::do_print_to_mapfile): New function.
	(Output_data_dynamic::do_print_to_mapfile): New function.
	(Output_symtab_xindex::do_print_to_mapfile): New function.
	(class Output_section): Declare do_print_to_mapflie.  Declare
	print_to_mapfile in Input_section.
	(class Output_segment): Declare new functions.
	* object.h (Sized_relobj::symbol_count): New function.
	* script-sections.cc
	(Output_section_element_dot_assignment::set_section_addresses):
	Change Output_data_fixed_space to Output_data_zero_fill.
	(Output_data_expression::do_print_to_mapfile): New function.
	* script.cc (read_input_script): Add mapfile parameter.  Change
	all callers.
	* script.h (read_input_script): Update declaration.
	* ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
	(Eh_frame::do_print_to_mapfile): New function.
	* merge.h (Output_merge_data::do_print_to_mapfile): New function.
	(Output_merge_string::do_print_to_mapfile): New function.
	* i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
	function.
	* sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
	function.
	* x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
	function.
	* Makefile.am (CCFILES): Add mapfile.cc.
	(HFILES): Add mapfile.h.
	* Makefile.in: Rebuild.
2008-05-21 21:37:44 +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 ee1fe73e11 From Craig Silverstein: rework option handling to make it easier to
add a new option.
2008-03-04 23:10:38 +00:00
Ian Lance Taylor 7cc619c3b1 From Craig Silverstein: rename some option functions in preparation
for reworking option handling.
2008-03-04 18:21:43 +00:00
Ian Lance Taylor 0dfbdef4c4 Support -d/--define-common. 2008-02-28 20:35:39 +00:00
Ian Lance Taylor da769d5629 Read input scripts which look like input objects with proper
serialization.
2008-02-28 19:46:06 +00:00
Ian Lance Taylor 919ed24cbc Don't check assertions until symbols are finalized. Create an output
section if the script uses a data statement with no input sections.
Don't create a loadable segment for the headers if there is no room.
2008-02-28 04:45:47 +00:00
Ian Lance Taylor 8851eccaec From Craig Silverstein: Have Parameters point to General_options. 2008-02-28 00:18:24 +00:00
Ian Lance Taylor 1890b46591 Fix handling of ENTRY in linker script. 2008-02-27 15:09:16 +00:00
Ian Lance Taylor a5dc070655 From Craig Silverstein: rework handling of Script_options. 2008-02-26 22:48:08 +00:00
Ian Lance Taylor 45aa233bdc From Craig Silverstein: rename option functions for future option
handling rewrite.
2008-02-26 21:45:30 +00:00
Ian Lance Taylor caa9d5d919 Assignments in linker scripts override definitions from object files. 2008-02-13 01:20:38 +00:00
Ian Lance Taylor 77e655378d Track sections for expressions. 2008-02-09 01:22:17 +00:00
Ian Lance Taylor b0d8593d63 Don't read linker scripts in binary mode. 2008-02-08 07:31:09 +00:00
Ian Lance Taylor 1ef1f3d387 Ignore version scripts for relocatable links. 2008-02-07 05:45:07 +00:00
Ian Lance Taylor 88dd47ac00 Implement --just-symbols, including -R FILE. Fix symbol values when
doing a relocatable link.
2008-02-07 01:51:25 +00:00
Ian Lance Taylor 1c4f3631bd Implement PHDRS. 2008-02-04 22:54:31 +00:00
Ian Lance Taylor 3802b2dd6b Implement SIZEOF_HEADERS, section constraints, other minor linker
script items.
2008-02-04 06:45:50 +00:00
Ian Lance Taylor a445fddf82 Fully implement the SECTIONS clause. 2008-02-04 05:43:05 +00:00
Ian Lance Taylor 9b07f471e3 Don't pass around the target in order to define symbols; get it from
the parameters instead.
2008-01-26 01:17:45 +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 106002249a From Craig Silverstein: Handle quoted strings differently in version
scripts, and handle extern "C++" in the middle of a block.
2008-01-18 23:35:09 +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 e5756efb6d Support assignments and expressions in linker scripts. 2008-01-09 19:57:45 +00:00
Ian Lance Taylor 2dd3e587bd Report linker script errors with line numbers. Ignore OUTPUT_FORMAT
with three arguments, and ignore OUTPUT_ARCH.
2008-01-07 05:19:02 +00:00
Ian Lance Taylor d391083d3c Add support for -e and for ENTRY in linker scripts. 2008-01-06 00:47:10 +00:00
Ian Lance Taylor 17a1d0a9b2 Rewrite workqueue. This version eliminates the master thread, and
reduces the amount of locking required to find a new thread to run.
2007-12-14 19:00:21 +00:00
Ian Lance Taylor c79126688f Add threading support. 2007-11-22 00:05:51 +00:00
Ian Lance Taylor a0451b389c From Craig Silverstein: Implement OPTION in linker scripts. 2007-10-30 06:27:03 +00:00
Ian Lance Taylor 41e92bc528 From Craig Silverstein: Remove extraneous comment. 2007-10-29 17:12:11 +00:00
Ian Lance Taylor 3c2fafa531 From Craig Silverstein and Ian Lance Taylor: Process --script option. 2007-10-27 00:29:34 +00:00
Ian Lance Taylor 195e7dc6c1 From Craig Silverstein: preliminary support for OPTION in linker script. 2007-10-26 22:16:06 +00:00
Ian Lance Taylor a0c4fb0ac6 Remove extraneous newlines. 2007-10-14 06:57:58 +00:00
Ian Lance Taylor 75f2446ec3 Run all error handling through an Errors object. Delete output file
on error.
2007-10-14 06:49:14 +00:00
Ian Lance Taylor ad2d6943a4 Full support for --sysroot. 2007-10-04 05:49:04 +00:00
Ian Lance Taylor 51dee2fec3 From Craig Silverstein: add support for searching for input files
named in linker scripts.
2007-10-02 21:24:41 +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 ba45d2478b Break out default pbytes argument to read and get_view routines,
adding new routines.
2007-09-25 00:27:29 +00:00
Ian Lance Taylor e5851e4e66 From Craig Silverstein: Fix bug when reading large script files. 2007-09-24 17:09:50 +00:00
Ian Lance Taylor 6cb15b7f89 Add licensing text to every source file. 2007-09-22 21:02:10 +00:00
chatham 72a2eed757 Make relative references in linker scripts absolute and update a
comment about relocate() being called.
2007-08-21 21:29:12 +00:00
Ian Lance Taylor a3ad94edd4 Hash tables, dynamic section, i386 PLT, gold_assert. 2006-11-29 17:56:40 +00:00
Ian Lance Taylor dbe717effb More dynamic object support, initial scripting support. 2006-11-14 19:21:05 +00:00