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2008-08-13 * layout.cc (Layout::attach_allocated_section_to_segment): Don'tIan Lance Taylor1-8/+120
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.
2008-07-22 * options.h (class General_options): Define -n/--nmagic andIan Lance Taylor1-1/+2
-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.
2008-06-18 * script-sections.cc (Script_sections::place_orphan): InitializeIan Lance Taylor1-1/+1
local variable exact.
2008-05-21 * mapfile.cc: New file.Ian Lance Taylor1-1/+6
* 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.
2008-04-15 * script-sections.cc (Script_sections::create_segments): UseIan Lance Taylor1-7/+6
header_size_adjustment even when there is enough room for the headers. * testsuite/script_test_4.sh: New file. * testsuite/script_test_4.t: New file. * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh. (check_DATA): Add script_test_4.stdout. (MOSTLYCLEANFILES): Likewise. (script_test_4): New target. (script_test_4.stdout): New target. * testsuite/Makefile.in: Rebuild.
2008-04-10 PR gold/5996Ian Lance Taylor1-19/+40
* script-sections.cc (Sections_element::allocate_to_segment): Add orphan parameter. (Output_section_definition::allocate_to_segment): Likewise. (Orphan_output_section::allocate_to_segment): Likewise. (Script_sections::attach_sections_using_phdrs_clause): Don't propagate non-PT_LOAD segments to orphan sections. * testsuite/Makefile.am (script_test_3.stdout): Generate using readelf rather than objdump. * testsuite/script_test_3.sh: Adjust accordingly. Test that .interp section and PT_INTERP segment are the same size. * testsuite/Makefile.in: Rebuild.
2008-02-29Permit scripts to refer to the addresses of output sections which wereIan Lance Taylor1-2/+95
not created.
2008-02-28Don't check assertions until symbols are finalized. Create an outputIan Lance Taylor1-39/+90
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.
2008-02-28From Craig Silverstein: Have Parameters point to General_options.Ian Lance Taylor1-7/+7
2008-02-14Set load address for orphan sections.Ian Lance Taylor1-9/+33
2008-02-12Pass down alignment when adding input section to orphan section.Ian Lance Taylor1-1/+2
2008-02-09Track sections for expressions.Ian Lance Taylor1-163/+197
2008-02-04Print PHDRS clause for debugging.Ian Lance Taylor1-0/+43
2008-02-04Implement PHDRS.Ian Lance Taylor1-40/+470
2008-02-04Implement SIZEOF_HEADERS, section constraints, other minor linkerIan Lance Taylor1-13/+195
script items.
2008-02-04Fully implement the SECTIONS clause.Ian Lance Taylor1-11/+1510
2008-01-23Parse a SECTIONS clause in a linker script.Ian Lance Taylor1-0/+738