Commit Graph

21 Commits

Author SHA1 Message Date
Ian Lance Taylor
e6a307bae3 PR 10030
* yyscript.y: Parse TARGET.
	* script.cc (script_set_target): New function.
	* script-c.h (script_set_target): Declare.
	* options.cc (General_options::string_to_object_format): Rename
	from string_to_object_format in anonymous namespace.  Change
	callers.
	* options.h (class General_options): Declare
	string_to_object_format.
2009-06-23 06:39:47 +00:00
Ian Lance Taylor
afc06bb828 * yyscript.y (file_cmd): Recognize EXTERN.
(extern_name_list, extern_name_list_body): New nonterminals.
	* script.cc (script_add_extern): Define.
	* script-c.h (script_add_extern): Declare.
2009-03-24 19:08:37 +00:00
Ian Lance Taylor
15f8229bbf * readsyms.cc (Read_symbols::incompatible_warning): New function.
(Read_symbols::requeue): New function.
	(Read_symbols::do_read_symbols): If make_elf_object fails because
	the target type is not configured, and the file was searched for,
	issue a warning and retry with the next directory.
	(Add_symbols::run): If the file has an incompatible format, and
	it was searched for, requeue the Read_symbols task.  On error,
	release the object.
	* readsyms.h (class Read_symbols): Add dirindex_ field.  Add
	dirindex parameter to constructor.  Change all callers.  Declare
	incompatible_warning and requeue.
	(class Add_symbols): Add dirpath_, dirindex_, mapfile_,
	input_argument_ and input_group_ fields.  Add them to
	constructor.  Change all callers.
	(class Read_script): Add dirindex_ field.  Add it to constructor.
	Change all callers.
	* archive.cc (Archive::setup): Remove input_objects parameter.
	Change all callers.
	(Archive::get_file_and_offset): Likewise.
	(Archive::read_all_symbols): Likewise.
	(Archive::read_symbols): Likewise.
	(Archive::get_elf_object_for_member): Remove input_objects
	parameter.  Add punconfigured parameter.  Change all callers.
	(Archive::add_symbols): Change return type to bool.  Check return
	value of include_member.
	(Archive::include_all_members): Likewise.
	(Archive::include_member): Change return type to bool.  Return
	false if first included object has incompatible target.  Set
	included_member_ field.
	(Add_archive_symbols::run): If add_symbols returns false, requeue
	Read_symbols task.
	* archive.h (class Archive): Add included_member_ field.
	Initialize it in constructor.  Add input_file and searched_for
	methods.  Update declarations.
	(class Add_archive_symbols): Add dirpath_, dirindex_, and
	input_argument_ fields.  Add them to constructor.  Change all
	callers.
	* script.cc: Include "target-select.h".
	(class Parser_closure): Add skip_on_incompatible_target_ and
	found_incompatible_target_ fields.  Add
	skip_on_incompatible_target parameter to constructor.  Change all
	callers.  Add methods skip_on_incompatible_target,
	clear_skip_on_incompatible_target, found_incompatible_target, and
	set_found_incompatible_target.
	(read_input_script): Add dirindex parameter.  Change all callers.
	If parser finds an incompatible target, requeue Read_symbols
	task.
	(script_set_symbol): Clear skip_on_incompatible_target in
	closure.
	(script_add_assertion, script_parse_option): Likewise.
	(script_start_sections, script_add_phdr): Likewise.
	(script_check_output_format): New function.
	* script.h (read_input_script): Update declaration.
	* script-c.h (script_check_output_format): Declare.
	* yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
	(ignore_cmd): Remove OUTPUT_FORMAT.
	* fileread.cc (Input_file::Input_file): Add explicit this.
	(Input_file::will_search_for): New function.
	(Input_file::open): Add pindex parameter.  Change all callers.
	* fileread.h (class Input_file): Add input_file_argument method.
	Declare will_search_for.  Update declarations.
	* object.cc (make_elf_object): Add punconfigured parameter.
	Change all callers.
	* object.h (class Object): Make input_file public.  Add
	searched_for method.
	(make_elf_object): Update declaration.
	* dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
	restart search.
	* dirsearch.h (class Dirsearch): Update declaration.
	* options.h (class General_options): Add --warn-search-mismatch.
	* parameters.cc (Parameters::is_compatible_target): New function.
	* parameters.h (class Parameters): Declare is_compatible_target.
	* workqueue.cc (Workqueue::add_blocker): New function.
	* workqueue.h (class Workqueue): Declare add_blocker.
2009-03-14 05:56:46 +00:00
Ian Lance Taylor
fbc558e16b PR 7088
* yyscript.y (file_cmd): Handle INPUT.
2008-12-09 16:09:32 +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
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
Ben Elliston
bd52eafbd6 * yyscript.y: Fix spelling error in comment. 2008-03-25 07:50:21 +00:00
Ian Lance Taylor
0dfbdef4c4 Support -d/--define-common. 2008-02-28 20:35:39 +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
e4967d85cb Use string instead of STRING, so that we handled QUOTED_STRING. 2008-01-23 19:31:56 +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
195e7dc6c1 From Craig Silverstein: preliminary support for OPTION in linker script. 2007-10-26 22:16:06 +00:00
Ian Lance Taylor
6cb15b7f89 Add licensing text to every source file. 2007-09-22 21:02:10 +00:00
Ian Lance Taylor
dbe717effb More dynamic object support, initial scripting support. 2006-11-14 19:21:05 +00:00