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2010-12-082010-12-07 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+4
* arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31 like function call relocations.
2010-11-11gold/Richard Sandiford1-33/+141
* symtab.h (Symbol::NON_PIC_REF): Remove. (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags. (Symbol::FUNCTION_CALL): Renumber. Reword comment. (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF. (Symbol::use_plt_offset): Take a flags argument and pass it directly to needs_dynamic_reloc. Restrict check for undefined weak symbols to function calls. * arm.cc (Target_arm::Scan::get_reference_flags): New function. (Target_arm::Scan::global): Use it. (Target_arm::Scan::scan_reloc_for_stub): Likewise. (Target_arm::Relocate::relocate): Likewise. (Target_arm::Relocate::should_apply_static_reloc): Replace flags parameter with an r_type parameter. Use get_reference_flags to get the flags. (Target_arm::Relocate::relocate): Update accordingly. * i386.cc (Target_i386::Scan::get_reference_flags): New function. (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it. (Target_i386::Scan::global): Likewise. (Target_i386::Relocate::relocate): Likewise. (Target_i386::Relocate::should_apply_static_reloc): Replace flags parameter with an r_type parameter. Use get_reference_flags to get the flags. (Target_i386::Relocate::relocate): Update accordingly. * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function. (Target_powerpc::Scan::global): Use it. (Target_powerpc::Scan::scan_reloc_for_stub): Likewise. (Target_powerpc::Relocate::relocate): Likewise. * sparc.cc (Target_sparc::Scan::get_reference_flags): New function. (Target_sparc::Scan::global): Use it. (Target_sparc::Scan::scan_reloc_for_stub): Likewise. (Target_sparc::Relocate::relocate): Likewise. * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function. (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::Relocate::relocate): Likewise.
2010-11-092010-11-08 Doug Kwan <dougkwan@google.com>Doug Kwan1-96/+187
Cary Coutant <ccoutant@google.com> * arm.cc (Arm_exidx_merge_section::build_contents): New method. (Arm_exidx_merge_section::section_contents_): New data member. (Arm_input_section::Arm_input_section): Initialize original_contents_. (Arm_input_section::~Arm_input_section): De-allocate memory. (Arm_input_section::original_contents_): New data member. (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents in parameters instead of calling Object::section_contents without locking. (Arm_output_section::group_section): New parameter TASK. Pass it to callees that need locking objects. (Arm_output_section::fix_exidx_coverage): New parameter TASK. Use it to lock EXIDX input sections. Fix a formatting issue. Call Arm_exidx_merged_section::build_contents to create merged section contents. (Arm_output_section::create_stub_group): New parameter TASK. Use it to lock object of stub table owner. (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter TEXT_SIZE to initialize data member TEXT_SIZE_. (Arm_exidx_input_section::addralign): Fix typo in comment. (Arm_exidx_input_section::text_size): New method. (Target_arm::do_relax): New parameter TASK. Pass it to callees that require locking objects. Lock objects before scanning for stubs and updating local symbols. (Arm_input_section<big_endian>::init): Copy contents of original input section. (Arm_input_section<big_endian>::do_write): Use saved contents of original input section instead of calling Object::section_contents without locking. (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section size without calling Object::section_size(). (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check for size. Allocate a buffer for merged EXIDX entries. (Arm_exidx_merged_section::build_contents): New method. (Arm_exidx_merged_section::do_write): Move merge section contents building code to Arm_exidx_merged_section::build_contetns. Write out contetns in buffer instead of building it on the fly. (Arm_relobj::make_exidx_input_section): Also pass text section size to Arm_exidx_input_section constructor. (Arm_relobj::do_read_symbols): Fix memory leak. Fix a formatting issue. (Arm_dynobj::do_read_symbols): Fix memory leak. * layout.cc (Layout::finalize): Pass TASK to Target::relax(). * target.h: (class Task): Add forward declaration. (Target::relax): Add new parameter TASK and pass it to Target::do_relax(). (Target::do_relax):: New parameter TASK. Fix a formatting issue.
2010-10-292010-10-29 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+2
* arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to Output_section::add_relaxed_input_section. * output.cc (Output_section::add_relaxed_input_section): Add new arguments LAYOUT and NAME. Set section order index. (Output_section::convert_input_sections_in_list_to_relaxed_sections): Copy section order index. * output.h (Output_section::add_relaxed_input_section): Add new arguments LAYOUT and NAME.
2010-10-202010-10-20 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+4
* arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections without SHF_LINK_ORDER flags. * layout.cc (Layout::choose_output_section): Do not filter SHF_LINK_ORDER flag in a relocatable link.
2010-10-172010-10-17 Doug Kwan <dougkwan@google.com>Doug Kwan1-5/+3
* gold/arm.cc (Target_arm::got_section): Use correct order and set GOT output section to be writable.
2010-10-12 * arm.cc (Target_arm::Scan::local): Report the unsupported relocIan Lance Taylor1-9/+16
error for the deprecated relocations. (Target_arm::Scan::global): Likewise. (Target_arm::Relocate::relocate): Likewise.
2010-09-172010-09-17 Doug Kwan <dougkwan@google.com>Doug Kwan1-31/+40
* arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and defintion if relocation uses GOT entries of the symbol. * testsuite/icf_safe_test.sh: Fix test. * testsuite/icf_safe_so_test.sh: Fix test.
2010-09-082010-09-08 Doug Kwan <dougkwan@google.com>Doug Kwan1-31/+91
* arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method. (Arm_relobj::do_relocate_sections): Add new parameter for output file to match the parent. (Target_arm::scan_reloc_section_for_stubs): Use would-be final values of local symbols instead of input values. Update code to track changes in gold::relocate_section. * object.cc (Sized_relobj::compute_final_local_value): New methods. (Sized_relobj::compute_final_local_value_internal): New methods. (Sized_relobj::do_finalize_local_symbols): Move code from loop body into private version of Sized_relobj::compute_final_local_value. Call the inline method. * object.h (Symbol_value::Symbol_value): Define destructor. Free merged symbol value if there is one. (Symbol_value::has_output_value): New method defintiion. (Sized_relobj::Compute_final_local_value_status): New enum type. (Sized_relobj::compute_final_local_value): New methods. (Sized_relobj::compute_final_local_value_internal): New methods. * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh and arm_cortex_a8.sh. (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl, arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc): New tests. * Makefile.in: Regenerate. * testsuite/arm_bl_out_of_range.s: Update test. * testsuite/thumb_bl_out_of_range.s: Ditto. * testsuite/thumb_blx_out_of_range.s: Ditto. * testsuite/arm_branch_out_of_range.sh: New file. * testsuite/arm_cortex_a8.sh: Ditto. * testsuite/arm_cortex_a8_b.s: Ditto. * testsuite/arm_cortex_a8_b_cond.s: Ditto. * testsuite/arm_cortex_a8_b_local.s: Ditto. * testsuite/arm_cortex_a8_bl.s: Ditto. * testsuite/arm_cortex_a8_blx.s: Ditto. * testsuite/arm_cortex_a8_local.s: Ditto. * testsuite/arm_cortex_a8_local_reloc.s: Ditto. * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2010-09-082010-09-08 Rafael Espindola <espindola@google.com>Rafael Ávila de Espíndola1-26/+43
* arm.cc (do_finalize_sections): Create the __exidx_start and __exdix_end symbols even when the section is missing.
2010-08-25 * archive.cc: Formatting fixes: Remove whitespace betweenNick Clifton1-37/+37
typename and following asterisk. Remove whitespace between function name and opening parenthesis. * archive.h: Likewise. * arm.cc: Likewise. * attributes.cc: Likewise. * attributes.h: Likewise. * common.cc: Likewise. * copy-relocs.cc: Likewise. * dirsearch.h: Likewise. * dynobj.cc: Likewise. * ehframe.cc: Likewise. * ehframe.h: Likewise. * expression.cc: Likewise. * fileread.cc: Likewise. * fileread.h: Likewise. * gc.h: Likewise. * gold-threads.cc: Likewise. * gold.cc: Likewise. * i386.cc: Likewise. * icf.h: Likewise. * incremental-dump.cc: Likewise. * incremental.cc: Likewise. * layout.cc: Likewise. * layout.h: Likewise. * main.cc: Likewise. * merge.cc: Likewise. * merge.h: Likewise. * object.cc: Likewise. * object.h: Likewise. * options.cc: Likewise. * options.h: Likewise. * output.cc: Likewise. * output.h: Likewise. * plugin.cc: Likewise. * plugin.h: Likewise. * powerpc.cc: Likewise. * reloc.cc: Likewise. * script-c.h: Likewise. * script-sections.cc: Likewise. * script.cc: Likewise. * stringpool.cc: Likewise. * symtab.cc: Likewise. * symtab.h: Likewise. * target.cc: Likewise. * timer.cc: Likewise. * timer.h: Likewise. * version.cc: Likewise. * x86_64.cc: Likewise.
2010-08-12elfcpp/ChangeLog:Cary Coutant1-1/+69
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_GOT_PLT. gold/ChangeLog: * arm.cc (Target_arm::got_size): Add const. (Target_arm::got_entry_count): New function. (Target_arm::plt_entry_count): New function. (Target_arm::first_plt_entry_offset): New function. (Target_arm::plt_entry_size): New function. (Output_data_plt_arm::entry_count): New function. (Output_data_plt_arm::first_plt_entry_offset): New function. (Output_data_plt_arm::get_plt_entry_size): New function. * i386.cc (Target_i386::got_size): Add const. (Target_i386::got_entry_count): New function. (Target_i386::plt_entry_count): New function. (Target_i386::first_plt_entry_offset): New function. (Target_i386::plt_entry_size): New function. (Output_data_plt_i386::entry_count): New function. (Output_data_plt_i386::first_plt_entry_offset): New function. (Output_data_plt_i386::get_plt_entry_size): New function. * incremental-dump.cc (dump_incremental_inputs): Adjust call to find_incremental_inputs_sections. Dump incremental_got_plt section. * incremental.cc: Include target.h. (Sized_incremental_binary::do_find_incremental_inputs_sections): Add parameter. Adjust all callers. Find incremental_got_plt section. (Incremental_inputs::create_data_sections): Create incremental_got_plt section. (Output_section_incremental_inputs::set_final_data_size): Calculate size of incremental_got_plt section. (Output_section_incremental_inputs::do_write): Write the incremental_got_plt section. (Got_plt_view_info): New struct. (Local_got_offset_visitor): New class. (Global_got_offset_visitor): New class. (Global_symbol_visitor_got_plt): New class. (Output_section_incremental_inputs::write_got_plt): New function. * incremental.h (Incremental_binary::find_incremental_inputs_sections): Add parameter. Adjust all callers. (Incremental_binary::do_find_incremental_inputs_sections): Likewise. (Incremental_inputs::got_plt_section): New function. (Incremental_inputs::got_plt_section_): New data member. (Incremental_got_plt_reader): New class. * layout.cc (Layout::create_incremental_info_sections): Add the incremental_got_plt section. * object.h (Got_offset_list::get_list): New function. (Got offset_list::for_all_got_offsets): New function. (Sized_relobj::local_got_offset_list): New function. * powerpc.cc (Target_powerpc::got_size): Add const. (Target_powerpc::got_entry_count): New function. (Target_powerpc::plt_entry_count): New function. (Target_powerpc::first_plt_entry_offset): New function. (Target_powerpc::plt_entry_size): New function. (Output_data_plt_powerpc::entry_count): New function. (Output_data_plt_powerpc::first_plt_entry_offset): New function. (Output_data_plt_powerpc::get_plt_entry_size): New function. * sparc.cc (Target_sparc::got_size): Add const. (Target_sparc::got_entry_count): New function. (Target_sparc::plt_entry_count): New function. (Target_sparc::first_plt_entry_offset): New function. (Target_sparc::plt_entry_size): New function. (Output_data_plt_sparc::entry_count): New function. (Output_data_plt_sparc::first_plt_entry_offset): New function. (Output_data_plt_sparc::get_plt_entry_size): New function. * symtab.h (Symbol::got_offset_list): New function. (Symbol_table::for_all_symbols): New function. * target.h (Sized_target::got_entry_count): New function. (Sized_target::plt_entry_count): New function. (Sized_target::plt_entry_size): New function. * x86_64.cc (Target_x86_64::got_size): Add const. (Target_x86_64::got_entry_count): New function. (Target_x86_64::plt_entry_count): New function. (Target_x86_64::first_plt_entry_offset): New function. (Target_x86_64::plt_entry_size): New function. (Output_data_plt_x86_64::entry_count): New function. (Output_data_plt_x86_64::first_plt_entry_offset): New function. (Output_data_plt_x86_64::get_plt_entry_size): New function.
2010-08-12Index: gold/arm.ccDoug Kwan1-4/+4
=================================================================== RCS file: /cvs/src/src/gold/arm.cc,v retrieving revision 1.116 diff -u -u -p -r1.116 arm.cc --- gold/arm.cc 3 Aug 2010 14:07:12 -0000 1.116 +++ gold/arm.cc 6 Aug 2010 07:59:30 -0000 @@ -10290,11 +10290,11 @@ Target_arm<big_endian>::merge_object_att out_attr[i].set_int_value(in_attr[i].int_value()); break; case elfcpp::Tag_ABI_PCS_wchar_t: - // FIXME: Make it possible to turn off this warning. if (out_attr[i].int_value() && in_attr[i].int_value() && out_attr[i].int_value() != in_attr[i].int_value() - && parameters->options().warn_mismatch()) + && parameters->options().warn_mismatch() + && parameters->options().wchar_size_warning()) { gold_warning(_("%s uses %u-byte wchar_t yet the output is to " "use %u-byte wchar_t; use of wchar_t values " @@ -10315,10 +10315,10 @@ Target_arm<big_endian>::merge_object_att // Use whatever requirements the new object has. out_attr[i].set_int_value(in_attr[i].int_value()); } - // FIXME: Make it possible to turn off this warning. else if (in_attr[i].int_value() != elfcpp::AEABI_enum_forced_wide && out_attr[i].int_value() != in_attr[i].int_value() - && parameters->options().warn_mismatch()) + && parameters->options().warn_mismatch() + && parameters->options().enum_size_warning()) { unsigned int in_value = in_attr[i].int_value(); unsigned int out_value = out_attr[i].int_value(); Index: gold/options.h =================================================================== RCS file: /cvs/src/src/gold/options.h,v retrieving revision 1.147 diff -u -u -p -r1.147 options.h --- gold/options.h 1 Jun 2010 23:37:57 -0000 1.147 +++ gold/options.h 6 Aug 2010 07:59:30 -0000 @@ -722,6 +722,10 @@ class General_options DEFINE_special(EL, options::ONE_DASH, '\0', N_("Link little-endian objects."), NULL); + DEFINE_bool(enum_size_warning, options::TWO_DASHES, '\0', true, NULL, + N_("(ARM only) Do not warn about objects with incompatible " + "enum sizes")); + DEFINE_bool(fatal_warnings, options::TWO_DASHES, '\0', false, N_("Treat warnings as errors"), N_("Do not treat warnings as errors")); @@ -1038,6 +1042,10 @@ class General_options N_("Report unresolved symbols as errors"), NULL, true); + DEFINE_bool(wchar_size_warning, options::TWO_DASHES, '\0', true, NULL, + N_("(ARM only) Do not warn about objects with incompatible " + "wchar_t sizes")); + DEFINE_bool(whole_archive, options::TWO_DASHES, '\0', false, N_("Include all archive contents"), N_("Include only needed archive contents"));
2010-08-032010-08-03 Ian Lance Taylor <iant@google.com>Ian Lance Taylor1-11/+11
PR 11805 * layout.h (enum Output_section_order): Define. (class Layout): Update declarations. * layout.cc (Layout::get_output_section): Add order parameter. Remove is_interp, is_dynamic_linker_section, is_last_relro, and is_first_non_relro parameters. Change all callers. (Layout::choose_output_section): Likewise. (Layout::add_output_section_data): Likewise. (Layout::make_output_section): Likewise. Set order. (Layout::default_section_order): New function. (Layout::layout_eh_frame): Call add_output_section_to_nonload. * output.cc (Output_section::Output_section): Initialize order_. Don't initialize deleted fields. (Output_segment::Output_segment): Don't initialize deleted fields. (Output_segment::add_output_section_to_load): New function replacing add_output_section. Change all callers to call this or add_output_section_to_nonload. (Output_segment::add_output_section_to_nonload): New function. (Output_segment::remove_output_section): Rewrite. (Output_segment::add_initial_output_data): Likewise. (Output_segment::has_any_data_sections): Likewise. (Output_segment::is_first_section_relro): Likewise. (Output_segment::maximum_alignment): Likewise. (Output_segment::has_dynamic_reloc): New function replacing dynamic_reloc_count. Change all callers. (Output_segment::has_dynamic_reloc_list): New function replacing dynamic_reloc_count_list. Change all callers. (Output_segment::set_section_addresses): Rewrite. (Output_segment::set_offset): Rewrite. (Output_segment::find_first_and_last_list): Remove. (Output_segment::set_tls_offsets): Rewrite. (Output_segment::first_section_load_address): Likewise. (Output_segment::output_section_count): Likewise. (Output_segment::section_with_lowest_load_address): Likewise. (Output_segment::write_section_headers): Likewise. (Output_segment::print_sections_to_map): Likewise. * output.h (class Output_data): Remove dynamic_reloc_count_ field. Add has_dynamic_reloc_ field. Make bools into bitfields. (Output_data::add_dynamic_reloc): Rewrite. (Output_data::has_dynamic_reloc): New function. (Output_data::dynamic_reloc_count): Remove. (class Output_section): Add order_ field. Remvoe is_relro_local_, is_last_relro_, is_first_non_relro_, is_interp_, is_dynamic_linker_section_ fields. Add order and set_order functions. Remove is_relro_local, set_is_relro_local, is_last_relro, set_is_last_relro, is_first_non_relro, set_is_first_non_relro functions, is_interp, set_is_interp, is_dynamic_linker_section, and set_is_dynamic_linker_section functions. (class Output_segment): Change Output_data_list from std::list to std:;vector. Add output_lists_ field. Remove output_data_ and output_bss_ fields. Update declarations.
2010-08-02 * arm.cc (Target_arm::gc_process_relocs): Use typename.Ian Lance Taylor1-1/+1
* powerpc.cc (Target_powerpc::gc_process_relocs): Likewise. * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2010-07-29 * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add templateSriraman Tallam1-1/+2
paramter to the call to gold::gc_process_relocs. * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template paramter to the call to gold::gc_process_relocs. * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template parameter to the call to gold::gc_process_relocs. * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add template parameter to the call to gold::gc_process_relocs. * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template paramter to the call to gold::gc_process_relocs. * gc.h (get_embedded_addend_size): New function. (gc_process_relocs): Save the size of the reloc for use by ICF. * icf.cc (get_section_contents): Get the addend from the text section for SHT_REL relocation sections. * icf.h (Icf::Reloc_addend_size_info): New typedef. (Icf::Reloc_info): Add new member reloc_addend_size_info. * int_encoding.h (read_from_pointer): New overloaded function. * testsuite/Makefile.am (icf_sht_rel_addend_test): New test. * testsuite/icf_sht_rel_addend_test.sh: New file. * testsuite/icf_sht_rel_addend_test_1.cc: New file. * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2010-07-132010-07-13 Doug Kwan <dougkwan@google.com>Doug Kwan1-54/+188
* arm.cc (Arm_input_section::Arm_input_section): For a SHT_ARM_EXIDX section, always keeps the input sections. (Arm_input_section::set_exidx_section_link): New method. (Arm_exidx_input_section::Arm_exidx_input_section): Initialize has_errors_ to false. (Arm_exidx_input_section::has_errors, Arm_exidx_input_section::set_has_errors): New methods. (Arm_exidx_input_section::has_errors_): New data member. (Arm_relobj::get_exidx_shndx_list): New method. (Arm_output_section::append_text_sections_to_list): Do not skip section without SHF_EXECINSTR. (Arm_output_section::fix_exidx_coverage): Skip input sections with errors. (Arm_relobj::make_exidx_input_section): Add new parameter for text section header. Make error messages more verbose. Check for a non-executable section linked to an EXIDX section. (Arm_relobj::do_read_symbols): Remove error checking, which has been moved to Arm_relobj::make_exidx_input_section. Add an assertion to check that there is no deferred EXIDX section if we exit early. Instead of not making an EXIDX section in case of an error, make one and set the has_errors flag of it. (Target_arm::do_finalize_sections): Fix up links of EXIDX sections in a relocatable link. (Target_arm::do_relax): Look for the EXIDX output section instead of assuming that it is called .ARM.exidx. (Target_arm::fix_exidx_coverage): Add a new parameter for input section list. Do not check for SHF_EXECINSTR section flags but skip any input section with errors. * output.cc (Output_section::Output_section): Initialize always_keeps_input_sections_ to false. (Output_section::add_input_section): Check for always_keeps_input_sections_. * output.h (Output_section::always_keeps_input_sections, Output_section::set_always_keeps_input_sections): New methods. (Output_section::always_keeps_input_sections): New data member.
2010-07-13 * output.h (Output_section_lookup_maps::add_merge_section):Ian Lance Taylor1-11/+9
Correct check of whether value was inserted. (Output_section_lookup_maps::add_merge_input_section): Likewise. (Output_section_lookup_maps::add_relaxed_input_section): Likewise. * arm.cc (Target_arm::got_section): Remove used local os. * i386.cc (Target_i386::got_section): Likewise. * x86_64.cc (Target_x86_64::got_section): Likewise. * sparc.cc (Target_sparc::got_section): Likewise. (Target_sparc::relocate): Remove unused local have_got_offset. * powerpc.cc (Target_powerpc::relocate): Likewise.
2010-06-302010-06-29 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+7
* arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property): Initialize USE_SYMBOL_. * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method definition. (Arm_reloc_property::uses_symbol_): New data member declaration. * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation uses symbol value and symbol is undefined but not weakly undefined.
2010-06-252010-06-25 Doug Kwan <dougkwan@google.com>Doug Kwan1-4/+88
* arm.cc (Target_arm::can_check_for_functions_pointers): Return true. (Target_arm::section_may_have_icf_unsafe_pointers): New method definition. (Target_arm::Scan::local_reloc_may_be_function_pointer, Target_arm::Scan::global_reloc_may_be_function_pointer): Implement target hook to detect function points. (Target_arm::Scan::possible_function_pointer_reloc): New method. * icf.h (Icf::check_section_for_function_pointers): Change type of parameter SECTION_NAME to const reference to std::string. Use target hook to determine if section may have unsafe pointers. * target.h (Target::section_may_have_icf_unsafe_pointers): New method definition.
2010-06-162010-06-16 Doug Kwan <dougkwan@google.com>Doug Kwan1-3/+6
* arm.cc (Target_arm::do_finalize_sections): Do not emit an .ARM.attributes section if we have not merged any input attributes sections.
2010-06-152010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>Doug Kwan1-1/+2
* arm.cc: Allow combining objects with no EABI version information.
2010-06-082010-06-07 Doug Kwan <dougkwan@google.com>Doug Kwan1-11/+15
* arm.cc (Target_arm::do_relax): Reserve more space for stubs. Restrict stub-group size to be within long conditional branch range when working around cortex-A8 erratum.
2010-05-262010-05-26 Doug Kwan <dougkwan@google.com>Doug Kwan1-8/+387
* arm.cc (Arm_scan_relocatable_relocs): New class. (Target_arm::relocate_special_relocatable): New method. (Arm_relocate_functions::arm_branch_common): Handle relocatable link. (Arm_relocate_functions::thumb_branch_common): Same. (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs instead of Default_scan_relocatable_relocs. * target-reloc.h (relocate_for_relocatable): Let target handle relocation strategy Relocatable_relocs::RELOC_SPECIAL. * target.h (Sized_target::relocate_special_relocatable): New method.
2010-05-232010-05-23 Doug Kwan <dougkwan@google.com>Doug Kwan1-8/+7
* arm.cc (Arm_input_section::do_output_offset): Use convert_types instead of a cast. (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch with a direct branch, not a conditional branch, to a stub. * merge.cc (Output_merge_base::record_input_section): New method defintion. (Output_merge_data::do_add_input_section): Record input section if keeps-input-sections flag is set. (Output_merge_string::do_add_input_section): Ditto. * merge.h (Output_merge_base::Output_merge_base): Initialize new data members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and INPUT_SECTIONS_. (Output_merge_base::keeps_input_sections, Output_merge_base::set_keeps_input_sections, Output_merge_base::first_relobj, Output_merge_base::first_shndx): New method definitions. (Output_merge_base::Input_sections): New type declaration. (Output_merge_base::input_sections_begin, Output_merge_base::input_sections_end, Output_merge_base::do_set_keeps_input_sections): New method definitions. (Output_merge_base::bool keeps_input_sections_, Output_merge_base::first_relobj_, Output_merge_base::first_shndx_, Output_merge_base::input_sections_): New data members. (Output_merge_data::do_set_keeps_input_sections): New method defintion. (Output_merge_string::do_set_keeps_input_sections): Ditto. * output.cc (Output_section::Input_section::relobj): Move method defintion from class declaration to here and handle merge sections. (Output_section::Input_section::shndx): Ditto. (Output_section::Output_section): Remove initializations of removed data members and initialize new data member LOOKUP_MAPS_. (Output_section::add_input_section): Set keeps-input-sections flag for a newly created merge output section as appropriate. Adjust code to use Output_section_lookup_maps class. (Output_section::add_relaxed_input_section): Adjst code for lookup maps code refactoring. (Output_section::add_merge_input_section): Add a new parameter KEEPS_INPUT_SECTION. Adjust code to use Output_section_lookup_maps class. If adding input section to a newly created merge output section fails, remove the new merge section. (Output_section::convert_input_sections_in_list_to_relaxed_input_sections): Adjust code for use of the Output_section_lookup_maps class. (Output_section::find_merge_section): Ditto. (Output_section::build_lookup_maps): New method defintion. (Output_section::find_relaxed_input_section): Adjust code to use Output_section_lookup_maps class. (Output_section::get_input_sections): Export merge sections. Adjust code to use Output_section_lookup_maps class. (Output_section:::add_script_input_section): Adjust code to use Output_section_lookup_maps class. Update lookup maps for merge sections also. (Output_section::discard_states): Use Output_section_lookup_maps. (Output_section::restore_states): Same. * output.h (Merge_section_properties): Move class defintion out of Output_section. (Output_section_lookup_maps): New class. (Output_section::Input_section::is_merge_section): New method defintion. (Output_section::Input_section::relobj): Move defintion out of class defintion. Declare method only. (Output_section::Input_section::shndx): Ditto. (Output_section::Input_section::output_merge_base): New method defintion. (Output_section::Input_section::u2_.pomb): New union field. (Output_section::Merge_section_by_properties_map, Output_section::Output_section_data_by_input_section_map, Output_section::Ouptut_relaxed_input_section_by_input_section_map): Remove types. (Output_section::add_merge_input_section): Add new parameter KEEPS_INPUT_SECTIONS. (Output_section::build_lookup_maps): New method declaration. (Output_section::merge_section_map_, Output_section::merge_section_by_properties_map_, Output_section::relaxed_input_section_map_, Output_section::is_relaxed_input_section_map_valid_): Remove data members. (Output_section::lookup_maps_): New data member.
2010-05-22Add a cast to avoid a compilation error.H.J. Lu1-1/+1
2010-05-21 Doug Kwan <dougkwan@google.com> PR gold/11619 * arm.cc (Arm_input_section::do_output_offset): Add a cast to avoid a compilation error.
2010-05-192010-05-14 Doug Kwan <dougkwan@google.com>Doug Kwan1-21/+44
* arm.cc (Arm_input_section::original_size): New method. (Arm_input_section::do_addralign): Add a cast. (Arm_input_section::do_output_offset): Remove static cast. (Arm_input_section::original_addralign, Arm_input_section::original_size_): Change type to uint32_t. (Arm_input_section::init): Add safe casts for section alignment and size. (Arm_input_section::set_final_data_size): Do not set address and offset of stub table. (Arm_output_section::fix_exidx_coverage): Change use of of Output_section::Simple_input_section to that of Output_section::Input_section. (Target_arm::do_relax): Set addresses and file offsets of Stub_tables except for the first pass. * output.cc (Output_section::get_input_sections): Change type of input_sections to std::list<Input_section>. (Output_section::add_script_input_section): Rename from Output_section::add_simple_input_section. Change type of SIS parameter from Simple_input_section to Input_section. * output.h (Output_section::Simple_input_section): Remove class. (Output_section::Input_section): Change class visibility to public. (Output_section::Input_section::addralign): Use stored alignments for special input sections if set. (Output_section::Input_section::set_addralign): New method. (Output_section::get_input_sections): Change parameter type from list of Simple_input_section to list of Input_section. (Output_section::add_script_input_section): Rename from Output_section::add_simple_input_section. Change first parameter's type from Simple_input_section to Input_section and remove the second and third parameters. * script-sections.cc (Input_section::Input_section_list): Change type to list of Output_section::Input_section/ (Input_section_info::Input_section_info): Change parameter type of INPUT_SECTION to Output_section::Input_section. (Input_section_info::input_section): Change return type. (Input_section_info::input_section_): Change type to Output_section::Input_section. (Output_section_element_input::set_section_addresses): Adjust code to use Output_section::Input_section instead of Output_section::Simple_input_section. Adjust code for renaming of Output_section::add_simple_input_section. (Orphan_output_section::set_section_addresses): Ditto.
2010-05-132010-05-12 Doug Kwan <dougkwan@google.com>Doug Kwan1-6/+74
elfcpp/ChangeLog * arm.h (Tag_FP_arch, Tag_ABI_align_needed, Tag_ABI_align_preserved, Tag_FP_HP_extension, Tag_MPextension_use_legacy): Rename from existing tags. (Tag_undefined40, Tag_undefined41, Tag_MPextension_use, Tag_undefined43): New tags. (Targ_VFP_arch, Tag_ABI_align8_needed, TAG_ABI_align8_preserved, Tag_VFP_HP_extension): Define aliases for backward compatiblity. gold/ChangeLog * arm.cc (Target_arm::do_finalize_sections): Create an empty attributes section only if there no attributes section after merging. (Target_arm::merge_object_attributes): Move value of Tag_MPextension_use_legacy to that of Tag_MPextension_use. Handle Tag_DIV_use and Tag_MPextension_use_legacy. * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout and arm_attr_merge_7.stdout. (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r, arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o, arm_attr_merge_7b.o): New rules. (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and arm_attr_merge_7 * testsuite/Makefile.in: Regenerate. * testsuite/arm_attr_merge.sh: New file. * testsuite/arm_attr_merge_[67][ab].s: Same.
2010-04-212010-04-15 Andrew Haley <aph@redhat.com>Andrew Haley1-7/+20
* emultempl/armelf.em (merge_exidx_entries): New variable. (OPTION_NO_MERGE_EXIDX_ENTRIES): New definition. ("no-merge-exidx-entries"): New option. * ld.texinfo (merge-exidx-entries): Document this option. 2010-04-15 Andrew Haley <aph@redhat.com> * bfd-in.h (elf32_arm_fix_exidx_coverage): Add new flag: merge_exidx_entries. * bfd-in2.h: Likewise. * elf32-arm.c (elf32_arm_fix_exidx_coverage): Likewise. Use it to control merging of exidx entries. 2010-04-15 Andrew Haley <aph@redhat.com> * options.h (merge_exidx_entries): New option. * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries. (class Arm_exidx_fixup::merge_exidx_entries_): New member. (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries. (Target_arm::merge_exidx_entries): New function. (process_exidx_entry): Don't merge if merge_exidx_entries_ is false. (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries to Arm_exidx_fixup constructor. Add new arg, merge_exidx_entries. (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to Arm_output_section::fix_exidx_coverage.
2010-04-152010-04-14 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+3
* arm.cc (Arm_output_section::fix_exidx_coverage): Mark object for local symbol recounting if we remove a section due to ICF. * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if there are no regular objects in input.
2010-04-132010-04-13 Doug Kwan <dougkwan@google.com>Doug Kwan1-11/+7
* arm.cc (Arm_input_section::set_final_data_size): Compute accurate final data size instead of using current data size.
2010-04-082010-04-07 Doug Kwan <dougkwan@google.com>Doug Kwan1-4/+17
* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn if section is marked as containing instructions but has no mapping symbols. (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get correct section index. (Arm_relobj::find_linked_text_section): Ditto.
2010-04-072010-04-07 Doug Kwan <dougkwan@google.com>Doug Kwan1-42/+94
* arm.cc: Replace "endianity" with "endianness" in comments. (Arm_exidx_cantunwind): Ditto. (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures. (Arm_relobj::merge_flags_and_attributes): New method. (Arm_relobj::merge_flags_and_attributes_): New data member. (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting. (Arm_relobj::scan_sections_for_stubs): Ditto. (Arm_relobj::do_read_symbols): Check to see if we really want to merge processor-specific flags and attributes. Exit early if an object is empty except for section names and the undefined symbol. (Target_arm::do_finalize_sections): Move check for ELF format to Arm_relobj::do_read_symbols. Merge processor specific flags and attributes from a regular object only when we have determined that it is aapropriate. Do not create an .ARM.attributes section in output if there is no regular input object. (Target_arm::merge_processor_specific_flags): Check --warn-mismatch before printing any error. (Target_arm::merge_object_attributes): Ditto. * gold.cc (queue_middle_tasks): Handle the case in which there is no regular object in input. * options.cc (General_options::parse_EB): New method. (General_options::parse_EL): Same. (General_options::General_options): Initialize endianness_. * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch): New options. (General_options::Endianness): New enum. (General_options::endianness): New method. (General_options::endianness_): New data member. * parameters.cc (Parameters::set_options): Check target endianness. (Parameters::set_target_once): Ditto. (Parameters::check_target_endianness): New method. (parameters_force_valid_target): If either -EL or -EB is specified, use it to define endianness of default target. * parameters.h (Parameters::check_target_endianness): New method declaration. * target.h (class Target): Change "endianity" to "endianness" in comments.
2010-03-312010-03-30 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+4
* arm.cc (Target_arm::using_thumb_only): Handle v6-M
2010-03-262010-03-25 Doug Kwan <dougkwan@google.com>Doug Kwan1-4/+5
* gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code to avoid a conversion warning on a 32-bit host.
2010-03-222010-03-22 Doug Kwan <dougkwan@google.com>Doug Kwan1-16/+42
* arm.cc (Arm_relocate_functions::abs8, Arm_relocate_functions::abs16): Use correct check for overflow specified in the ARM ELF specs. (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch target of a BLX instruction specially. (Reloc_stub::stub_type_for_reloc): Ditto. (Relocate::relocate): Use symbolic names instead of numeric relocation codes to report error. (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8 workaround. * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout, thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and thumb2_blx_out_of_range.stdout (thumb_bl_out_of_range, thumb_bl_out_of_range.o, thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices. (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o, thumb_blx_out_of_range.stdout, thumb_blx_out_of_range, thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout, thumb2_blx_in_range, thumb2_blx_in_range.o, thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range, thumb2_blx_out_of_range.o): New rules. (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range, thumb2_blx_in_range and thumb2_blx_out_of_range. * testsuite/Makefile.in: Regenerate. * arm_branch_in_range.sh: Add tests for THUMB BLX. * testsuite/thumb_blx_in_range.s: New file. * testsuite/thumb_blx_out_of_range.s: New file.
2010-03-192010-03-19 Doug Kwan <dougkwan@google.com>Doug Kwan1-28/+19
* arm.cc (Stub_table::Stub_table): Initialize new data members Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_. (Stub_table::add_reloc_stub): Assign stub offset and update Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_. (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_): New data members. (Stub_table::update_data_size_and_addralign): Use Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_ instead of going over all reloc stubs. (Stub_table::finalize_stubs): Do not assign reloc stub offsets. * stringpool.cc (Stringpool_template::Stringpool_template): Initialize Stringpool_template::offset_ to size of Stringpool_char. (Stringpool_template::new_key_offset): Remove code to initialize Stringpool_template::offset_. * stringpool.h (Stringpool_template::set_no_zero_null): Set Stringpool_template::offset_ to zero.
2010-03-082010-03-08 Doug Kwan <dougkwan@google.com>Doug Kwan1-4/+5
* gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage due to a conversion warning. (Arm_relobj::update_output_local_symbol_count): Check for local symbol with unset output index.
2010-03-03 * target-reloc.h (relocate_section): Check the symbol table indexIan Lance Taylor1-1/+1
for -1U before setting the local symbol index. (scan_relocatable_relocs): If copying the relocation, record that the local symbol is required. * object.h (Symbol_value::is_output_symtab_index_set): New function. (Symbol_value::may_be_discarded_from_output_symtab): New function. (Symbol_value::has_output_symtab_entry): New function. (Symbol_value::needs_output_symtab_entry): Remove. (Symbol_value::output_symtab_index): Make sure the symbol index is set. (Symbol_value::set_output_symtab_index): Make sure the symbol index is not set. Make sure the new index is valid. (Symbol_value::set_must_have_output_symtab_entry): New function. (Symbol_value::has_output_dynsym_entry): New function. (Symbol_value::set_output_dynsym_index): Make sure the new index is valid. (Sized_relobj::set_must_have_output_symtab_entry): New function. * object.cc (Sized_relobj::do_count_local_symbols): Only discard a local symbol if permitted. (Sized_relobj::do_finalize_local_symbols): Call is_output_symtab_index_set rather than needs_output_symtab_entry. (Sized_relobj::write_local_symbols): Call has_output_symtab_entry rather than needs_output_symtab_entry. Call has_output_dynsym_entry rather than needs_output_dynsym_entry. * arm.cc (Arm_relobj::update_output_local_symbol_count): Call is_output_symtab_index_set rather than needs_output_symtab_entry. * testsuite/discard_locals_relocatable_test.c: New file. * testsuite/discard_locals_test.sh: Test -r. * testsuite/Makefile.am (check_DATA): Add discard_locals_relocatable_test1.syms, discard_local_relocatable_test2.syms. (MOSTLYCLEANFILES): Likewise. Also add discard_locals_relocatable_test1.lout and discard_locals_relocatable_test2.out. (discard_locals_relocatable_test1.syms): New target. (discard_locals_relocatable_test.o): New target. (discard_locals_relocatable_test1.out): New target. (discard_locals_relocatable_test2.syms): New target. (discard_locals_relocatable_test2.out): New target. (various): Add missing ../ld-new dependencies. * testsuite/Makefile.in: Rebuild.
2010-02-272010-02-26 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+2
* arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat R_ARM_PREL31 and R_ARM_SBREL31 as position independent. * testsuite/debug_msg.sh: Avoid matching source line number for use of global variable undef_int.
2010-02-272010-02-26 Doug Kwan <dougkwan@google.com>Doug Kwan1-31/+28
* arm.cc (Target_arm::scan_reloc_for_stub): Move code handling R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs. (Target_arm::scan_reloc_section_for_stubs): Instead of calling scan_reloc_for_stub, do all processing of R_ARM_V4BX here. * options.cc (General_options::General_options): Initialize member fix_v4bx_. * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout and rm_no_fix_v4bx.stdout (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o, arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking, arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules. (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking and arm_no_fix_v4bx. * Makefile.in: Regenerate. * testsuite/arm_fix_v4bx.s: New file. * testsuite/arm_fix_v4bx.sh: Ditto.
2010-02-252010-02-24 Doug Kwan <dougkwan@google.com>Doug Kwan1-4/+3
* arm.cc (Target_arm::got_section): Make the .got section the first non RELRO section in the data segment. * testsuite/script_test_5.sh: Fix match patterns to avoid matching suffixes of section names.
2010-02-242010-02-24 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+9
* arm.cc (Target_arm::do_finalize_sections): Skip processor specific flags and attributes merging if an input file is a binary file. * fileread.cc (Input_file::open): Record format of original file. * fileread.h (Input_file::Format): New enum type. (Input_file::Input_file): Initialize data member format_. (Input_file::format): New method definition. (Input_file::format_):: New data member.
2010-02-242010-02-24 Doug Kwan <dougkwan@google.com>Doug Kwan1-47/+425
* arm.cc (Arm_output_data_got): New class. (ARM_TCB_SIZE): New constant (Target_arm): Use Arm_output_data_got instead of Output_data_got. (Arm_output_section::fix_exidx_coverage): Add a parameter for layout. If user uses a script with a SECTIONS clause, issue only a warning for a misplaced EXIDX input section. Otherwise, issue an error. (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing garbage collection. (Target_arm::got_mode_index_entry): Handle static linking. (Target_arm::Scan::local): Ditto. (Target_arm::Scan::global): Ditto. (Target_arm::Relocate::relocate_tls): Handle static linking. Fix all incorrectly implemented relocations. (Target_arm::fix_exidx_coverage): Pass layout to Arm_output_section::fix_exidx_coverage. * layout.cc (Layout::section_name_mapping): Remove trailing dots from ".ARM.exidx." and ".ARM.extab.".
2010-02-23 * arm.cc (Target_arm::do_finalize_sections): Create attributeIan Lance Taylor1-0/+5
section if it does not already exist. * attributes.cc (Attributes_section_data::Attributes_section_data): Don't crash if size is zero.
2010-02-222010-02-21 Doug Kwan <dougkwan@google.com>Doug Kwan1-12/+13
* arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in handling of the maximum backward branch offset. (Arm_relocate_functions::thumb_branch_common): Ditto. * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh. (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout. (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o, arm_bl_out_of_range.stdout, arm_bl_out_of_range, arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range, thumb_bl_in_range.o, thumb_bl_out_of_range.stdout, thumb_bl_out_of_range thumb_bl_out_of_range.o, thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): New rules. (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range, thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and thumb2_bl_out_of_range * testsuite/Makefile.in: Regenerate. * testsuite/arm_bl_in_range.s: New file. * testsuite/arm_bl_out_of_range.s: Ditto. * testsuite/arm_branch_in_range.sh: Ditto. * testsuite/arm_branch_range.t: Ditto. * testsuite/thumb2_branch_range.t: Ditto. * testsuite/thumb_bl_in_range.s: Ditto. * testsuite/thumb_bl_out_of_range.s: Ditto. * testsuite/thumb_branch_range.t: Ditto.
2010-02-192010-02-18 Doug Kwan <dougkwan@google.com>Doug Kwan1-7/+424
* arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32, R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented. * arm.cc (Arm_relocation_functions): New forward declaration. (Target_arm::Target_arm): Initialize new data members got_mod_index_offset_ and tls_base_symbol_defined_. (Target_arm::Relocate::relocate_tls): New method. (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol, Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section): New methods. (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET, GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC. (Target_arm::got_mod_index_offset_, Target_arm::tls_base_symbol_defined_): New data members. (Target_arm::Scan::local, Target::Scan::global, Target_arm::Relocate::relocate): Handle 32-bit initial TLS relocations.
2010-02-192010-02-18 Doug Kwan <dougkwan@google.com>Doug Kwan1-43/+210
* arm.cc (Arm_relobj::find_linked_text_section): New method. (Arm_relobj::make_exidx_input_section): Pass section index of linked text section as a parameter becuase some broken tools may not set the link in section header. (Target_arm::has_got_section): New method. (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section without any mapping symbol as data only. Remove warning. (Arm_relobj::do_read_synbols): If an EXIDX input section has no link in its section header, try to discover the link by inspecting the REL31 relocation at the beginning of the section. (Target_arm::Scan::check_non_pic): Report name of offending relocation in error message. (Target_arm::Scan::global): Treat any reference to the symbol _GLOBAL_OFFSET_TABLE_ as a GOT access.
2010-02-132010-02-12 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-0/+19
* arm.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. * i386.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. (Scan::possible_function_pointer_reloc): New function. (Target_x86_64::can_check_for_function_pointers): New function. * gc.h (gc_process_relocs): Scan relocation types to determine if function pointers were taken for targets that support it. * icf.cc (Icf::find_identical_sections): Include functions for folding in safe ICF whose pointer is not taken. * icf.h (Secn_fptr_taken_set): New typedef. (fptr_section_id_): New member. (section_has_function_pointers): New function. (set_section_has_function_pointers): New function. (check_section_for_function_pointers): New function. * options.h: Fix comment for safe ICF option. * target.h (can_check_for_function_pointers): New function. * testsuite/Makefile.am: Add icf_safe_so_test test case. Modify icf_safe_test for X86-64. * testsuite/Makefile.in: Regenerate. * testsuite/icf_safe_so_test.cc: New file. * testsuite/icf_safe_so_test.sh: New file. * testsuite/icf_safe_test.cc (kept_func_3): New function. (main): Change to take pointer to function kept_func_3. * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe folding is done correctly for X86-64.
2010-02-122010-02-11 Doug Kwan <dougkwan@google.com>Doug Kwan1-140/+182
* arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling. (Target_arm::Scan::global): Ditto. Also remove a comment before the beginning of function. (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS and MOVT_ABS relocations. Those are non issued in scanning. Fix parameter is_32bit in calls to should_apply_static_reloc. * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh. (check_DATA): Add arm_abs_global.stdout. (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global, arm_abs_global.stdout): New rules. (MOSTLLYCLEANFILES): Add arm_abs_global * Makefile.in: Regenerate. * testsuite/arm_abs_global.s: New file. * testsuite/arm_abs_global.sh: Ditto. * testsuite/arm_abs_lib.s: Ditto.
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