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2014-12-20Change SometimesInlineFunction to "return i * i * 3;"H.J. Lu1-1/+1
The debug_msg test has 2 implementations of SometimesInlineFunction: int SometimesInlineFunction(int i) { return i; } int SometimesInlineFunction(int i) { return i * i; } and One Definition Rule (ODR) violation detection expects they will be compiled into functions of different sizes. Hower, on x86, GCC 4.7 and newer compile them into functions of the same size and ODR violation detection test fails. This patch changes int SometimesInlineFunction(int i) { return i; } to int SometimesInlineFunction(int i) { return i * i * 3; } so that it will be compiled into a function of larger size. PR gold/14608 * testsuite/debug_msg.cc (SometimesInlineFunction): Changed to "return i * i * 3;".
2014-12-03Compile pie_copyrelocs_test.cc with -fno-exceptions ↵H.J. Lu2-5/+20
-fno-asynchronous-unwind-tables PR gold/17675 * testsuite/Makefile.am (pie_copyrelocs_test_CXXFLAGS): New. * testsuite/Makefile.in: Regenerated.
2014-10-29Misc about gold for aarch64 backend.Han Shen2-5/+5
The patch does the following things: -- Add support for ifunc. -- Enable safe icf -- Add support for TLSLD relocations R_AARCH64_TLSLD_ADR_PAGE21, R_AARCH64_TLSLD_ADD_LO12_NC, R_AARCH64_TLSLD_MOVW_DTPREL_G1, R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC. (R_AARCH64_TLSLD_MOVW_* are used by LLVM.) -- Add support for TLSLD->TLSLE relaxation. -- Add support for R_AARCH64_LD_PREL_LO19, R_AARCH64_ADR_PREL_LO21. -- Fix 2 encoding bugs in AArch64_relocate_functions::update_movnz. -- Correct TLS relocation properties in gold/aarch64-reloc.def. -- Update testsuite/icf_safe_so_test.cc, testsuite/icf_safe_test.sh. gold/ 2014-10-29 Han Shen <shenhan@google.com> Jing Yu <jingyu@google.com> * aarch64-reloc.def: Add LD_PREL_LO12, ADR_PREL_LO21, TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. Change property of TLS relocations to Symbol::TLS_REF. * aarch64.cc (Target_aarch64::do_can_check_for_function_pointers): New method. (Target_aarch64::reloc_needs_plt_for_ifunc): New method. (Target_aarch64::tls_ld_to_le): New method. (Target_aarch64::aarch64_info): Enable can_icf_inline_merge_sections for 64bit targets. (Output_data_plt_aarch64::irelative_rel_): New data member. (Output_data_plt_aarch64::add_entry): Add irelative entries to plt. (Output_data_plt_aarch64::add_local_ifunc_entry): New method. (Output_data_plt_aarch64::add_relocation): New method. (Output_data_plt_aarch64::do_write): Add gold_assert on got_irelative offset. Add got_irelative size to got size. (AArch64_relocate_functions): Typedef AArch64_valtype. Replace long type string with the new typename. (AArch64_relocate_functions::update_adr): Replace parameter x with immed. (AArch64_relocate_functions::update_movnz): Correct wrong val mask. (AArch64_relocate_functions::reloc_common): New method. (AArch64_relocate_funcsions::rela_general): Extract common part out into reloc_common method. (AArch64_relocate_functions::rela_general): Likewise. (AArch64_relocate_functions::pcrela_general): Likewise. (AArch64_relocate_functions::adr): New method. (AArch64_relocate_functions::adrp): Calculate immed before calling update_adr. (AArch64_relocate_functions::adrp): Likewise. (AArch64_relocate_functions::movnz): Cast x to SignedW type when comparing x to 0. Calculate immed from ~x when x < 0. (Target_aarch64::optimize_tls_reloc): Add new cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. (Target_aarch64::possible_function_pointer_reloc): Implement this method. (Target_aarch64::Scan::local_reloc_may_be_function_pointer): Update comment. (Target_aarch64::Scan::local): Add codes to handle STT_GNU_IFUNC symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. (Target_aarch64::Scan::global): Add codes to handle STT_GNU_IFUNC symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. (Target_aarch64::make_plt_entry): Call add_entry with two more parameters. (Target_aarch64::make_local_ifunc_plt_entry): New method. (Target_aarch64::Relocate::relocate): Add cases for LD_PREL_LO19, ADR_PREL_LO21, TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. (Target_aarch64::Relocate::relocate_tls): Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. * testsuite/icf_safe_so_test.cc: Correct test comment. * testsuite/icf_safe_test.sh: Add AArch64 arch.
2014-09-23Fix race condition causing assert in Eh_frame_hdr::do_sized_write().Cary Coutant2-7/+4
2014-09-23 Taiju Tsuiki <tzik@google.com> Cary Coutant <ccoutant@google.com> gold/ * gold.cc (queue_final_tasks): Add Write_sections_task as a blocker on input_sections_blocker. * layout.cc (Write_sections_task::locks): Unblock input_sections_blocker_. * layout.h (Write_sections_task::Write_sections_task): Add input_sections_blocker. * testsuite/Makefile.am (exception_x86_64_bnd_test): Add gcctestdir/ld to DEPENDENCIES. * testsuite/Makefile.in: Regenerate.
2014-09-18A a testcase for common symbol handling with plugins.Rafael Ávila de Espíndola4-14/+87
2014-09-18 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> * testsuite/Makefile.am (plugin_test_10): New test. * testsuite/Makefile.in: Regenerate * testsuite/plugin_common_test_2.c (c1): Align to 8. * testsuite/plugin_test_10.sh: New file.
2014-08-06Modify new gold test to pass on powerpc64leAlan Modra1-1/+1
* testsuite/defsym_test.sh: Allow ppc64le localentry annotation.
2014-07-08Fix --defsym to copy symbol attributes.Cary Coutant4-3/+82
Alan Modra committed a patch to Gnu ld to fix a problem encountered on PPC where the --defsym option wasn't copying the st_other bits to the newly-defined symbol. https://sourceware.org/ml/binutils/2014-07/msg00094.html Gold has the same problem, and additionally wasn't copying the symbol type. This patch fixes both problems, by copying the symbol type, visibility, and the remaining st_other bits to the new symbol for --defsym=sym1=sym2 assignments. gold/ * expression.cc (struct Expression::Expression_eval_info): Add new fields type_pointer, vis_pointer, and nonvis_pointer. (Expression::eval_maybe_dot): Add type_pointer, vis_pointer, and nonvis_pointer parameters. Adjust all calls. (Symbol_expression::value): Update type, visibility, and nonvis bits in caller. * script.cc (Symbol_assignment::sized_finalize): Update type, visibility, and remaining st_other bits for new symbol. * script.h: (Expression::eval_maybe_dot): Add type_pointer, vis_pointer, and nonvis_pointer parameters. * symtab.h (Symbol::set_type): New method. * testsuite/Makefile.am (defsym_test): New test. * testsuite/Makefile.in: Regenerate. * testsuite/defsym_test.c: New file. * testsuite/defsym_test.sh: New file.
2014-06-03Fix gold plugin_test failures on PowerPC64 ELFv2Alan Modra1-0/+7
readelf output for ELFv2 includes st_other bits specifying a function's local entry offset. * testsuite/plugin_test.c (parse_readelf_line): Skip non-visibility st_other output.
2014-05-30Fix testsuite to use newly-built linker for ehdr_start_test_4, and fixCary Coutant3-3/+3
check script to look for the right binding. gold/ * testsuite/Makefile.am (ehdr_start_test_4): Fix typo in -B option. * testsuite/Makefile.in: Regenerate. * testsuite/ehdr_start_test_4.sh: Look for "U" instead of "w".
2014-05-13With -pie and x86, the linker complains if it sees a PC-relative relocationSriraman Tallam2-10/+42
to access a global as it expects a GOTPCREL relocation. This is really not necessary as the linker could use a copy relocation to get around it. This patch enables copy relocations with pie. Context: This is useful because currently the GCC compiler with option -fpie makes every extern global access go through the GOT. That is because the compiler cannot tell if a global will end up being defined in the executable or not and is conservative. This ends up hurting performance when the binary is linked as mostly static where most of the globals do end up being defined in the executable. By allowing copy relocs with fPIE, the compiler need not generate a GOTPCREL(GOT access) for any global access. It can safely assume that all globals will be defined in the executable and generate a PC-relative access instead. Gold can then create a copy reloc for only the undefined globals. gold/ * symtab.h (may_need_copy_reloc): Remove check for position independent code. * x86_64.cc (Target_x86_64<size>::Scan::global): Add check for no position independence before pc absolute may_need_copy_reloc call. Add check for executable output befor pc relative may_need_copy_reloc call. * i386.cc: Ditto. * arm.cc: Ditto. * sparc.cc: Ditto. * tilegx.cc: Ditto. * powerpc.cc: Add check for no position independence before may_need_copy_reloc calls. * testsuite/pie_copyrelocs_test.cc: New file. * testsuite/pie_copyrelocs_shared_test.cc: New file. * Makefile.am (pie_copyrelocs_test): New test. * Makefile.in: Regenerate.
2014-05-13Optimizing accesses to Globals with -fpie -pie:Sriraman Tallam2-0/+57
With -pie and x86, the linker complains if it sees a PC-relative relocation to access a global as it expects a GOTPCREL relocation. This is really not necessary as the linker could use a copy relocation to get around it. This patch enables copy relocations with pie. Context: This is useful because currently the GCC compiler with option -fpie makes every extern global access go through the GOT. That is because the compiler cannot tell if a global will end up being defined in the executable or not and is conservative. This ends up hurting performance when the binary is linked as mostly static where most of the globals do end up being defined in the executable. By allowing copy relocs with fPIE, the compiler need not generate a GOTPCREL(GOT access) for any global access. It can safely assume that all globals will be defined in the executable and generate a PC-relative access instead. Gold can then create a copy reloc for only the undefined globals.
2014-05-02Fix handling of __ehdr_start when it cannot be defined.Cary Coutant6-26/+418
2014-05-02 Cary Coutant <ccoutant@google.com> * defstd.cc (in_segment): Define __ehdr_start here... * layout.cc (Layout::finalize): ...Instead of here. Set the output segment when known. * resolve.cc (Symbol::override_base_with_special): Remember the original binding. * symtab.cc (Symbol::set_output_segment): New function. (Symbol::set_undefined): New function. * symtab.h (Symbol::is_weak_undefined): Check original undef binding. (Symbol::is_strong_undefined): New function. (Symbol::set_output_segment): New function. (Symbol::set_undefined): New function. * target-reloc.h (is_strong_undefined): Remove. (issue_undefined_symbol_error): Call Symbol::is_weak_undefined. Check for hidden undefs. (relocate_section): Call Symbol::is_strong_undefined. * testsuite/Makefile.am (ehdr_start_test_1) (ehdr_start_test_2, ehdr_start_test_3) (ehdr_start_test_4, ehdr_start_test_5): New test cases. * testsuite/Makefile.in: Regenerate. * testsuite/ehdr_start_def.cc: New source file. * testsuite/ehdr_start_test.cc: New source file. * testsuite/ehdr_start_test.t: New linker script. * testsuite/ehdr_start_test_4.sh: New shell script.
2014-04-02Modify gold testsuite to disable plugins added by GCC driver.Cary Coutant2-8/+21
GCC 4.8 now adds linker plugin options by default, which conflict with the --incremental tests in the testsuite. This patch checks whether the compiler supports the -fno-use-linker-plugin option, and adds it to all link commands. 2014-04-02 Cary Coutant <ccoutant@google.com> * configure.ac (HAVE_PUBNAMES): Use C instead of C++. (HAVE_NO_USE_LINKER_PLUGIN): Check for -fno-use-linker-plugin. * configure: Regenerate. * testsuite/Makefile.am (OPT_NO_PLUGINS): New macro for -fno-use-linker-plugin. (LINK1, CXXLINK1): Add it to the link command. * testsuite/Makefile.in: Regenerate.
2014-03-05Update copyright yearsAlan Modra258-259/+258
2014-02-06Fix problem where -u is ignored when a weak undef is seen.Cary Coutant5-3/+176
When the linker has a weak undefined symbol, it normally does not select an archive library member just to satisfy the reference. If the same symbol is also listed in a -u option, however, we should select the archive library member. This patch reorders the code in Library_base::should_include_member so that the additional checks are performed in the case of a weak undef. gold/ 2014-02-06 Cary Coutant <ccoutant@google.com> * archive.cc (Library_base::should_include_member): Reorder code to check for -u option if a weak undef has already been seen. * testsuite/Makefile.am (weak_undef_test_2): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/weak_undef_file3.cc: New file. * testsuite/weak_undef_file4.cc: New file. * testsuite/weak_undef_test_2.cc: New file.
2014-02-05Fix problems with the --dynamic-list option.Cary Coutant9-3/+321
PR gold/13577 complains that even though symbols listed in the --dynamic-list script are exported, they are still bound symbolically if -Bsymbolic is also used. There are two underlying problems here. First, -Bsymbolic should be overridden by --dynamic-list, since the dynamic list provides an explicit list of symbols that are not bound within the library, and if we go ahead and set DT_SYMBOLIC, then the dynamic loader will bind it within the library anyway. Second, gold did not properly identify the symbols listed in the file as preemptible. PR gold/16530 complains that symbols listed in the --dynamic-list script can still be garbage collected. I've fixed this by checking the symbols as they're added to the symbol table. (Unlike the --export-dynamic-symbol option, we can't iterate over the list, because the --dynamic-list script can have wildcards in it.) gold/ 2014-02-05 Cary Coutant <ccoutant@google.com> PR gold/13577 * options.cc (General_options::parse_dynamic_list): Set have_dynamic_list_. (General_options::General_options): Initialize have_dynamic_list_. (General_options::finalize): Turn off -Bsymbolic and -Bsymbolic-functions if --dynamic-list provided. * options.h (General_options::have_dynamic_list): New function. (General_options::have_dynamic_list_): New data member. * symtab.h (Symbol::is_preemptible): Handle --dynamic-list correctly. PR gold/16530 * symtab.cc (Symbol_table::add_from_relobj): If symbol is named in --dynamic-list, mark it. * testsuite/Makefile.am (gc_dynamic_list_test.sh): New test case. (dynamic_list_2): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/dynamic_list_2.cc: New file. * testsuite/dynamic_list_2.t: New file. * testsuite/dynamic_list_lib1.cc: New file. * testsuite/dynamic_list_lib2.cc: New file. * testsuite/gc_dynamic_list_test.c: New file. * testsuite/gc_dynamic_list_test.sh: New file. * testsuite/gc_dynamic_list_test.t: New file.
2014-01-28Add .gdb_index version 7 support.Cary Coutant2-2/+2
This patch adds support for .gdb_index version 7, which adds several flag bits to the symbol index. It also fixes a problem where it did not handle compressed debug sections correctly. Tested with a google/gcc-4_8 branch compiler, which supports the -ggnu-pubnames option to generate .debug_gnu_pubnames/pubtypes tables. (We will submit that patch to GCC when stage 1 reopens.) 2014-01-28 Cary Coutant <ccoutant@google.com> * gold/dwarf_reader.cc: include <utility> (for make_pair). (Dwarf_abbrev_table::do_read_abbrevs): Check for compressed debug sections. (Dwarf_ranges_table::read_ranges_table): Likewise. (Dwarf_pubnames_table::read_section): Check for GNU-style sections, and for compressed debug sections. (Dwarf_pubnames_table::read_header): Compute end address of table. (Dwarf_pubnames_table::next_name): Return flag_byte. Check for end of list by offset, not by offset == 0. (Dwarf_info_reader::do_read_string_table): Check for compressed debug sections. * gold/dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table): Initialize new data members. (Dwarf_pubnames_table::next_name): return flag_byte. (Dwarf_pubnames_table::end_of_table_): New data member. (Dwarf_pubnames_table::is_gnu_style_): New data member. * gold/gdb-index.cc (gdb_index_version): Update to version 7. (Gdb_index_info_reader::read_pubtable): Read flag_byte. (Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't read skeleton type unit DIEs. (Gdb_index::add_symbol): Add flag_byte; adjust all callers. (Gdb_index::do_write): Write flag_byte. * gold/gdb-index.h (Gdb_index::add_symbol): Add flags parameter. (Gdb_index::Cu_vector): Store flags along with cu indexes. * gold/testsuite/gdb_index_test_3.sh: Allow versions 4-7. * gold/testsuite/gdb_index_test_comm.sh: Likewise.
2013-11-22Use in-tree assembler for exception_x86_64_bnd_test.Cary Coutant2-4/+4
gold/ * testsuite/Makefile.am (exception_x86_64_bnd_test): Use in-tree assembler. * testsuite/Makefile.in: Regenerate.
2013-11-18Add R_X86_64_PC32_BND/R_X86_64_PLT32_BND suppor to goldH.J. Lu2-2/+38
elfcpp/ * x86_64.h (R_X86_64_PC32_BND): New. (R_X86_64_PLT32_BND): Likewise. gold/ * x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags): Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like R_X86_64_PC32 and R_X86_64_PLT32, respectively. (Target_x86_64<size>::Scan::local): Likewise. (Target_x86_64<size>::Scan::global): Likewise. (Target_x86_64<size>::Relocate::relocate): Likewise. (Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc): Likewise. (Target_x86_64<size>::Scan::check_non_pic(): Handle R_X86_64_PC32_BND. * testsuite/Makefile.am (check_PROGRAMS): Add exception_x86_64_bnd_test. (exception_x86_64_bnd_test_SOURCES): New macro. (exception_x86_64_bnd_test_DEPENDENCIES): Likewise. (exception_x86_64_bnd_test_LDFLAGS): Likewise. (exception_x86_64_bnd_test_LDADD): Likewise. (exception_x86_64_bnd_1.o): New rule. (exception_x86_64_bnd_2.o): Likewise. * testsuite/Makefile.in: Regenerated.
2013-10-11Revert inappropriate portions of last change.Roland McGrath2-34/+34
2013-10-11gold/Roland McGrath2-62/+62
* testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout. * testsuite/Makefile.in: Regenerate.
2013-10-11gold/Roland McGrath1-1/+3
* testsuite/undef_symbol.cc (Foo::get_a): New method.
2013-10-11gold/Roland McGrath4-29/+30
* configure.ac (MERGE_CONSTANTS_FLAG): New check. * configure: Regenerate. * Makefile.in: Regenerate. * testsuite/merge_string_literals_1.c: Renamed to have .cc suffix. * testsuite/merge_string_literals_2.c: Likewise. * testsuite/Makefile.am (merge_string_literals_1.o, merge_string_literals_2.o): Update deps. (AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of literal -fmerge-constants. * testsuite/Makefile.in: Regenerate.
2013-10-07gold/Cary Coutant2-17/+22
PR gold/16010 * testsuite/Makefile.am (icf_test): Fix dependencies. (icf_safe_test): Likewise. (icf_safe_so_test): Likewise. (large_symbol_alignment): Add empty _LDADD rule. * testsuite/Makefile.in: Regenerate.
2013-07-30 gold/Cary Coutant1-1/+2
* parameters.cc (Parameters::entry): Return target-specific entry symbol name. * target.h (Target::entry_symbol_name): New function. (Target_info::entry_symbol_name): New data member. * arm.cc (Target_arm::arm_info): Add entry_symbol_name. (Target_arm_nacl::arm_nacl_info): Likewise. * i386.cc (Target_i386::i386_info): Likewise. (Target_i386_nacl::i386_nacl_info): Likewise. * powerpc.cc (Target_powerpc::powerpc_info): Likewise. * sparc.cc (Target_sparc::sparc_info): Likewise. * tilegx.cc (Target_tilegx::tilegx_info): Likewise. * x86_64.cc: (Target_x86_64::x86_64_info) Likewise. (Target_x86_64_nacl::x86_64_nacl_info) Likewise. * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
2013-06-14gold/Cary Coutant5-81/+400
* resolve.cc (Symbol::override_base): Don't override st_type from plugin placeholder symbols. (Symbol_table::resolve): Likewise. (Symbol_table::should_override): Don't complain about TLS mismatch if the TO symbol is a plugin placeholder. * testsuite/Makefile.am (plugin_test_tls): New test. * testsuite/Makefile.in: Regenerate. * testsuite/plugin_test_tls.sh: New test script. * testsuite/two_file_test_2_tls.cc: New test source. * testsuite/two_file_test_tls.cc: New test source.
2013-06-06gold/Cary Coutant1-0/+49
Add missing test case from last patch.
2013-06-052013-06-05 Alexander Ivchenko <alexander.ivchenko@intel.com>Cary Coutant2-6/+38
gold/ * layout.cc (Layout::set_segment_offsets): Taking care of the case when the maximum segment alignment is larger than the page size. * testsuite/Makefile.am (large_symbol_alignment): Test that Gold correctly aligns the symbols with large alignemnt. * testsuite/Makefile.in: Regenerate. * testsuite/large_symbol_alignment.cc: New file.
2013-05-302013-05-30 Alexander Ivchenko <alexander.ivchenko@intel.com>Cary Coutant4-0/+146
Sriraman Tallam <tmsriram@google.com> * options.h (sort_section): New option. * output.h (Input_section_sort_section_prefix_special_ordering_compare): Rename from Input_section_sort_section_name_special_ordering_compare. (Input_section_sort_section_name_compare): New struct. * output.cc (Output_section::Input_section_sort_section_name_compare:: operator()): New function. (Output_section::sort_attached_input_sections): Use new sort function for .text if --sort-section=name is specified. * layout.cc (Layout::make_output_section): Add sorting by name when --sort-section=name is specified. * testsuite/Makefile.am (text_section_grouping): Test option --sort-section=name. * testsuite/Makefile.in: Regenerate. * testsuite/section_sorting_name.cc: New file. * testsuite/section_sorting_name.sh: New file.
2013-05-21gold/Cary Coutant4-7/+141
* symtab.h (Symbol::is_cxx_vtable): New function. * target-reloc.h (relocate_section): Check for vtable symbol. * testsuite/Makefile.am (missing_key_func.sh): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/missing_key_func.cc: New test source. * testsuite/missing_key_func.sh: New test script.
2013-05-21gold/Cary Coutant1-7/+8
* object.cc (Sized_relobj_file::get_symbol_location_info): Set type of enclosing symbol. (Relocate_info::location): Check symbol type when describing symbol. * object.h (Symbol_location_info): Remove unused line_number; add enclosing_symbol_type. * testsuite/debug_msg.sh: Adjust expected output.
2013-05-13gold/Cary Coutant3-36/+16
* configure.ac: Export DEFAULT_TARGET. * configure: Regenerate. * Makefile.in: Regenerate. * testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES. * testsuite/Makefile.in: Regenerate. * testsuite/debug_msg.sh: Delete duplicate tests. Don't check undef_int error message match for powerpc where the source file and line number aren't available.
2013-04-292013-04-29 Alexander Ivchenko <alexander.ivchenko@intel.com>Cary Coutant5-0/+128
gold/ * output.cc (Output_section::add_merge_input_section): Allow to merge sections if the alignment is more than character size. * merge.h (Output_merge_string::Output_merge_string): Remove assert. * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count only not-null strings. Check the alignment of strings. * stringpool.h (Stringpool_template<Stringpool_char>::Stringpool_template): Add alignment as the argument. (Stringpool_template<Stringpool_char>::addralign_): New class member. * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset): Align non-zero length strings according to the addralign_. (Stringpool_template<Stringpool_char>::set_string_offsets): Updating offsets according to the given alignment. * testsuite/Makefile.am (text_section_grouping): Test if string literals are getting merged. * testsuite/Makefile.in: Regenerate. * testsuite/merge_string_literals_1.c: New file. * testsuite/merge_string_literals_2.c: Ditto. * testsuite/merge_string_literals.sh: Ditto.
2013-04-15gold/Cary Coutant4-4/+64
* symtab.cc (Symbol_table::sized_write_globals): Subtract section starting address for relocatable link. * testsuite/Makefile.am (script_test_11): New test. * testsuite/Makefile.in: Regenerate. * testsuite/script_test_11.c: New source file. * testsuite/script_test_11.t: New linker script.
2013-03-12 * powerpc.cc (is_branch_reloc): Forward declare.Alan Modra5-83/+119
(Target_powerpc::do_can_check_for_function_pointers): New predicate. (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return false for 64-bit, true for 32-bit non-branch relocs. (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise. * testsuite/Makefile.am (icf_test): Use linker map file instead of nm output. (icf_safe_test): Generate linker map file as well as nm output. (icf_safe_so_test): Likewise. * testsuite/Makefile.in: Regenerate. * testsuite/icf_test.sh: Parse linker map file to determine section folding. * testsuite/icf_safe_test.sh: Likewise. Expect folding for PowerPC. * testsuite/icf_safe_so_test.sh: Likewise. (X86_32_or_ARM_specific_safe_fold): Merge into.. (arch_specific_safe_fold): ..this. (X86_64_specific_safe_fold): Delete unused function.
2013-03-07 * testsuite/discard_locals_relocatable_test.c: Add a powerpcAlan Modra2-2/+9
relocation referencing .LC0. * testsuite/discard_locals_test.sh: Remove FIXMEs.
2013-03-07 * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): MarkAlan Modra1-11/+77
always_inline. Add assembly for powerpc to avoid GOT.
2013-03-07 * testsuite/script_test_10.sh: Don't test .bss sectionAlan Modra1-1/+1
header number.
2013-03-04 * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.Alan Modra2-2/+2
* testsuite/Makefile.in: Regenerate.
2013-01-24Default text reordering fix with a flag to turn it off.Sriraman Tallam3-4/+22
2013-01-24 Sriraman Tallam <tmsriram@google.com> * layout.cc (Layout::layout): Check for option text_reorder. (Layout::make_output_section): Ditto. * options.h (text_reorder): New option. * output.cc (Input_section_sort_compare): Remove special ordering of section names. (Output_section:: Input_section_sort_section_name_special_ordering_compare:: operator()): New function. (Output_section::sort_attached_input_sections): Use new sort function for .text. * output.h (Input_section_sort_section_name_special_ordering_compare): New struct. * testsuite/Makefile.am (text_section_grouping): Test option --no-text-reorder * testsuite/Makefile.in: Regenerate. * testsuite/text_section_grouping.sh: Check order of functions without default text reordering.
2013-01-172013-01-16 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-1/+1
* testsuite/plugin_final_layout.cc: Fix comment.
2013-01-162013-01-16 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-1/+7
* layout.cc (Layout::layout): Do not do default sorting for text sections when section ordering is specified. (make_output_section): Ditto. * testsuite/plugin_final_layout.cc: Name the function sections to catch reordering issues.
2013-01-14 * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.Alan Modra2-2/+2
* testsuite/Makefile.in: Regenerate.
2013-01-14 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.Alan Modra2-25/+41
* testsuite/Makefile.in: Regenerate.
2013-01-11 Fix mingw gold build with plugins enabledIan Lance Taylor1-0/+1
* Makefile.am: Replace -ldl with @DLOPEN_LIBS@. * configure.ac: Export DLOPEN_LIBS and add headers check. * plugin.cc: Handle non-dlfcn case. * Makefile.in: Regenerate. * config.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate.
2013-01-10Make linker scripts and section ordering via --section-ordering-file orSriraman Tallam2-5/+10
linker plugins work. This patch lets linker scripts take precedence. 2013-01-09 Sriraman Tallam <tmsriram@google.com> * output.h (sort_attached_input_sections): Change to be public. * script-sections.cc (Output_section_definition::set_section_addresses): Sort attached input sections according to section order before linker script assigns section addresses. (Orphan_output_section::set_section_addresses): Sort attached input sections according to section order before linker script assigns section addresses. * Makefile.am (final_layout.sh): Use a simple linker script to check if section ordering still works. * Makefile.in: Regenerate.
2013-01-04gold/Cary Coutant2-11/+23
* testsuite/Makefile.am (CXXLINK_S): New macro. (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S. * testsuite/Makefile.in: Regenerate.
2012-12-19Group text sections with prefixes .text.unlikely,.text.hot and .text.startupSriraman Tallam4-0/+158
by default. 2012-12-18 Sriraman Tallam <tmsriram@google.com> * layout.cc (Layout::is_section_name_prefix_grouped): New function. * layout.h (Layout::is_section_name_prefix_grouped): New function. * output.cc (Output_section::add_input_section): Check if section name contains special prefix. Keep input sections to sort such sections. (Output_section::Input_section_sort_section_order_index_compare ::operator()): Group sections according to prefixes. * (Output_section::sort_attached_input_sections): Add condition to Input_section_entry constructor call. * testsuite/Makefile.am (text_section_grouping): New test. * testsuite/Makefile.in: Regenerate. * testsuite/text_section_grouping.cc: New file. * testsuite/text_section_grouping.sh: New file.
2012-12-15gold/Cary Coutant2-8/+14
* testsuite/Makefile.am (exception_separate_shared_12_test): Add --no-as-needed flag. (exception_separate_shared_12_test): Likewise. (incremental_copy_test): Likewise. * testsuite/Makefile.in: Regenerate.
2012-12-10gold/Roland McGrath1-1/+24
* testsuite/binary_unittest.cc (read_all): New function. (Sized_binary_test): Use it instead of ::read. * fileread.cc (do_read): Don't assume pread always reads the whole amount in a single call.
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