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2010-09-08 * README: Remove claim that MEMORY is not supported.Nick Clifton1-5/+52
* expression.cc (script_exp_function_origin) (script_exp_function_length): Move from here to ... * script.cc: ... here. (script_set_section_region, script_add_memory) (script_parse_memory_attr, script_include_directive): New functions. * script-sections.cc (class Memory_region): New class. (class Output_section_definition): Add set_memory_region, set_section_vma, set_section_lma and get_section_name methods. (class Script_Sections): Add add_memory_region, find_memory_region, find_memory_region_origin, find_memory_region_length and set_memory_region methods. Have set_section_addresses method walk the list of set memory regions. Extend the print methos to display memory regions. * script-sections.h: Add prototypes for new methods. Add enum for MEMORY region attributes. * yyscript.y: Add support for parsing MEMORY regions. * script-c.h: Add prototypes for new functions. * testsuite/Makefile.am: Add test of MEMORY region functionality. * testsuite/Makefile.in: Regenerate. * testsuite/memory_test.sh: New script. * testsuite/memory_test.s: New assembler source file. * testsuite/memory_test.t: New linker script.
2010-08-02 PR 11855Ian Lance Taylor1-1/+1
* script.cc (Script_options::Script_options): Initialize symbol_definitions_ and symbol_references_. (Script_options::add_symbol_assignment): Update symbol_definitions_ and symbol_references_. (Script_options::add_symbol_reference): New function. (script_symbol): New function. * script.h (class Script_options): Add symbol_definitions_ and symbol_references_ fields. (Script_options::referenced_const_iterator): New type. (Script_options::referenced_begin): New function. (Script_options::referenced_end): New function. (Script_options::is_referenced): New function. (Script_options::any_unreferenced): New function. * script-c.h (script_symbol): Declare. * yyscript.y (exp): Call script_symbol. * symtab.cc: Include "script.h". (Symbol_table::gc_mark_undef_symbols): Add layout parameter. Change all callers. Check symbols referenced by scripts. (Symbol_table::add_undefined_symbols_from_command_line): Add layout parameter. Change all callers. (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise. Break out loop body. Check symbols referenced by scripts. (Symbol_table::add_undefined_symbol_from_command_line): New function broken out of do_add_undefined_symbols_from_command_line. * symtab.h (class Symbol_table): Update declarations. * archive.cc: Include "layout.h". (Archive::should_include_member): Add layout parameter. Change all callers. Check for symbol mentioned in expression. * archive.h (class Archive): Update declaration. * object.cc (Sized_relobj::do_should_include_member): Add layout parameter. * object.h (Object::should_include_member): Add layout parameter. Change all callers. (Object::do_should_include_member): Add layout parameter. (class Sized_relobj): Update declaration. * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout parameter. * dynobj.h (class Sized_dynobj): Update declaration. * plugin.cc (Sized_pluginobj::do_should_include_member): Add layout parameter. * plugin.h (class Sized_pluginobj): Update declaration.
2010-06-09 * yyscript.y (input_list_element): Allow strings prefixed withNick Clifton1-0/+2
the '-' character. Treat these as libraries. * script.cc (script_add_library): New function. Adds a library specified by "-l<name>" found in an input script. * script-c.h: Add prototype for script_add_library.
2010-04-092010-04-09 Doug Kwan <dougkwan@google.com>Doug Kwan1-11/+61
* layout.cc (Layout::choose_output_section): Handle script section types. (Layout::make_output_section_for_script): Add section type parameter. Handle script section types. * layout.h (Layout::make_output_section_for_script): Add section type parameter. * output.cc (Output_section::Output_section): Initialize data member is_noload_. (Output_section::do_reset_address_and_file_offset): Do not set address to 0 if section is a NOLOAD section. * output.h (Output_section::is_noload): New method. (Output_section::set_is_noload): Ditto. (Output_section::is_noload_): New data member. * script-c.h (Script_section_type): New enum type. (struct Parser_output_section_header): Add new file section_type. * script-sections.cc (Sections_element::output_section_name): Add parameter for returning script section type. (Output_section_definition::output_section_name): Ditto. (Output_section_definition::section_type)P; New method. (Output_section_definiton::script_section_type_name): Ditto. (Output_section_definition::script_section_type_): New data member. (Output_section_definition::Output_section_definition): Initialize data member Output_section_definition::script_section_type_. (Output_section_definition::create_sections): Pass script section type to Layout::make_output_section_for_script. (Output_section_definition::output_section_name): Return script section type to caller. (Output_section_definition::set_section_address): Do not advance dot value and load address if section type is NOLOAD. Set address of NOLOAD sections regardless of section flags. (Output_section_definition::print): Print section type if it is not SCRIPT_SECTION_TYPE_NONE. (Output_section_definition::section_type): New method. (Output_section_definition::script_section_type_name): Ditto. (Script_sections::output_section_name): Add new parameter PSECTION_TYPE for returning script section type. Pass it to section elements. Handle discard sections. (Sort_output_sections::operator()): Handle NOLOAD sections. * script-sections.h (Script_sections::Section_type): New enum type. (Script_sections::output_section_name): Add a new parameter for returning script section type. * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT, INFO and NOLOAD. * yyscript.y (union): Add new field SECTION_TYPE. (COPY, DSECT, INFO, NOLOAD): New tokens. (opt_address_and_section_type): Change type to output_section_header. (section_type): New non-terminal (section_header): Handle section type. (opt_address_and_section_type): Return section type value.
2009-10-162009-10-16 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+4
* expression.cc (class Segment_start_expression): New class definition. (Segment_start_expression::value): New method definition. (script_exp_function_segment_start): Return a new Segment_start_expression. * gold/script-c.h (script_saw_segment_start_expression): New function prototype. * script-sections.cc (Script_sections::Script_sections): Initialize SAW_SEGMENT_START_EXPRESSION_ to false. (Script_sections::set_section_addresses): Use -Ttext, -Tdata and -Tbbs options to specify section addresses if given in command line and no SEGMENT_START expression is seen in a script. * script-sections.h (Script_sections::saw_segment_start_expression, Script_sections::set_saw_segment_start_expression): New method definition. (Script_sections::saw_segment_start_expression_): New data member declaration. * script.cc (script_saw_segment_start_expression): New function. * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression. * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh, script_test_7.sh and script_test_8.sh. (check_DATA): Add script_test_6.stdout, script_test_7.stdout and script_test_8.stdout. (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8. (script_test_6, script_test_6.stdout, script_test_7, script_test_7.stdout, script_test_8, script_test_8.stdout): New rules. * Makefile.in: Regenerate. * testsuite/script_test_6.sh: New file. * testsuite/script_test_6.t: Same. * testsuite/script_test_7.sh: Same. * testsuite/script_test_7.t: Same. * testsuite/script_test_8.sh: Same.
2009-06-23 PR 10030Ian Lance Taylor1-0/+2
* 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.
2009-03-24 * yyscript.y (file_cmd): Recognize EXTERN.Ian Lance Taylor1-1/+21
(extern_name_list, extern_name_list_body): New nonterminals. * script.cc (script_add_extern): Define. * script-c.h (script_add_extern): Declare.
2009-03-14 * readsyms.cc (Read_symbols::incompatible_warning): New function.Ian Lance Taylor1-3/+14
(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.
2008-12-09 PR 7088Ian Lance Taylor1-0/+1
* yyscript.y (file_cmd): Handle INPUT.
2008-11-06 * options.cc (General_options::parse_dynamic_list): New function.Craig Silverstein1-0/+20
* 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.
2008-08-13 * layout.cc (Layout::attach_allocated_section_to_segment): Don'tIan Lance Taylor1-2/+8
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.
2008-03-25 * yyscript.y: Fix spelling error in comment.Ben Elliston1-1/+1
2008-02-28Support -d/--define-common.Ian Lance Taylor1-1/+5
2008-02-04Implement PHDRS.Ian Lance Taylor1-1/+68
2008-02-04Implement SIZEOF_HEADERS, section constraints, other minor linkerIan Lance Taylor1-5/+24
script items.
2008-02-04Fully implement the SECTIONS clause.Ian Lance Taylor1-1/+2
2008-01-23Use string instead of STRING, so that we handled QUOTED_STRING.Ian Lance Taylor1-12/+10
2008-01-23Parse a SECTIONS clause in a linker script.Ian Lance Taylor1-6/+320
2008-01-18From Craig Silverstein: Handle quoted strings differently in versionIan Lance Taylor1-39/+77
scripts, and handle extern "C++" in the middle of a block.
2008-01-15From Andrew Chatham and Craig Silverstein: Add support for versionIan Lance Taylor1-1/+94
scripts.
2008-01-09Support assignments and expressions in linker scripts.Ian Lance Taylor1-8/+220
2008-01-07Report linker script errors with line numbers. Ignore OUTPUT_FORMATIan Lance Taylor1-2/+12
with three arguments, and ignore OUTPUT_ARCH.
2008-01-06Add support for -e and for ENTRY in linker scripts.Ian Lance Taylor1-0/+13
2007-10-26From Craig Silverstein: preliminary support for OPTION in linker script.Ian Lance Taylor1-0/+9
2007-09-22Add licensing text to every source file.Ian Lance Taylor1-0/+20
2006-11-14More dynamic object support, initial scripting support.Ian Lance Taylor1-0/+168