X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gold%2FChangeLog;h=c1b833b6356044b2e0e301f4e6c3d6843b28a6d0;hb=712ec27916b5604d29d928dec060fd1ba0fd9edb;hp=e48be00308d5a73e340cc3be633351a7f4e0a2e1;hpb=6f2750feaf2827ef8a1a0a5b2f90c1e9a6cabbd1;p=deliverable%2Fbinutils-gdb.git diff --git a/gold/ChangeLog b/gold/ChangeLog index e48be00308..c1b833b635 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,809 @@ +2016-06-10 Vladimir Radosavljevic + + * mips.cc (struct Mips_abiflags): New struct. + (Mips_relobj::Mips_relobj): Initialize attributes_section_data_ + and abiflags_. + (Mips_relobj::~Mips_relobj): Delete object pointed by + attributes_section_data_. + (Mips_relobj::abiflags): New method. + (Mips_relobj::attributes_section_data): Likewise. + (Mips_relobj::attributes_section_data_): New data member. + (Mips_relobj::abiflags_): Likewise. + (class Mips_output_section_abiflags): New class. + (Target_mips::Target_mips): Initialize attributes_section_data_, + abiflags_ and has_abiflags_section_. + (Target_mips::do_should_include_section): Don't emit input + .MIPS.abiflags sections to output .MIPS.abiflags. + (Target_mips::Mips_mach): Add new enum constants. + (Target_mips::mips_isa_ext_mach): New method. + (Target_mips::mips_isa_ext): Likewise. + (Target_mips::update_abiflags_isa): Likewise. + (Target_mips::infer_abiflags): Likewise. + (Target_mips::create_abiflags): Likewise. + (Target_mips::fp_abi_string): Likewise. + (Target_mips::select_fp_abi): Likewise. + (Target_mips::merge_obj_attributes): Likewise. + (Target_mips::merge_obj_abiflags): Likewise. + (Target_mips::level_rev): Likewise. + (Target_mips::merge_obj_e_flags): Rename from + merge_processor_specific_flags. Remove dyn_obj argument, + call update_abiflags_isa when needed, compare NaN encodings and + compare FP64 state. + (Target_mips::add_machine_extensions): Add two machine extensions + and fix one. + (Target_mips::attributes_section_data_): New data member. + (Target_mips::abiflags_): Likewise. + (Target_mips::has_abiflags_section_): Likewise. + (Mips_relobj::do_read_symbols): Read .gnu.attributes and + .MIPS.abiflags sections if they exists. + (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and + E_MIPS_MACH_OCTEON3 support. + (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag. + (Target_mips::do_finalize_sections): Merge .gnu.attributes and + .MIPS.abiflags sections from input. Create these sections if + needed. + (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and + E_MIPS_MACH_OCTEON3 support, and change strings for + E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just + to match bfd. + +2016-06-10 Vladimir Radosavljevic + + * mips.cc (Mips_relobj::Mips_relobj): Initialize + has_reginfo_section_. + (Mips_relobj::has_reginfo_section_): New data member. + (Mips_relobj::has_reginfo_section): New method. + (class Mips_output_section_reginfo): Change base class to + Output_section_data, and set masks of the output .reginfo section + in constructor. + (Mips_output_section_reginfo::as_mips_output_section_reginfo): + Remove. + (Mips_output_section_reginfo::set_masks): Likewise. + (Mips_output_section_reginfo::set_final_data_size): Likewise. + (Mips_output_section_reginfo::do_print_to_mapfile): New method. + (Target_mips::do_make_output_section): Remove. + (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true + if the object contains a .reginfo section. + (Target_mips::do_finalize_sections): Create a .reginfo output + section if needed. + +2016-06-09 Artemiy Volkov + + * mips.cc (Mips_output_data_got::do_write): Add missing template + args via typedef. + +2016-05-30 Marcin Kościelnicki + + PR/19960 + * s390.cc (Target_s390::ss_code_st_r14): Removed. + (Target_s390::ss_code_l_r14): Removed. + (Target_s390::ss_code_ear): Removed. + (Target_s390::ss_code_c): Removed. + (Target_s390::ss_match_st_r14): New function. + (Target_s390::ss_match_l_r14): New function. + (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead + of matching code directly. + (Target_s390::ss_match_ear): New function. + (Target_s390::ss_match_c): New function. + (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead + of matching code directly. + +2016-05-19 Cary Coutant + + PR gold/19823 + * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object + parameter; check for protected symbol. + * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter. + * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc. + * symtab.cc (Symbol::init_fields): Initialize is_protected_. + (Symbol_table::add_from_dynobj): Mark protected symbols. + * symtab.h (Symbol::is_protected): New method. + (Symbol::set_is_protected): New method. + (Symbol::is_protected_): New data member. + + * testsuite/Makefile.am (copy_test_protected): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/copy_test.cc (main): Add legal reference to protected + symbol. + * testsuite/copy_test_v1.cc (main): Likewise. + * testsuite/copy_test_2.cc (ip): Add protected symbol. + * testsuite/copy_test_protected.cc: New test source file. + * testsuite/copy_test_protected.sh: New test script. + +2016-05-19 Vladimir Radosavljevic + + * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument + for global got symbols, and set addend to 0. + (Mips_got_entry::hash): Change hash algorithm. + (Mips_got_entry::equals): Refactor. + (Mips_got_entry::object): Return input object for local got symbols + from union d. + (Mips_got_entry::addend): Change return of the relocation addend. + (Mips_got_entry::addend_): Move from union d. + (Mips_got_entry::object_): Move into union d. + (class Mips_symbol_hash): New class. + (Mips_got_info::Global_got_entry_set): New type. + (Mips_got_info::global_got_symbols): Change return type to + Global_got_entry_set. + (Mips_got_info::global_got_symbols_): Change type to + Global_got_entry_set. + (Mips_symbol::hash): New method. + (Mips_output_data_la25_stub::symbols_): Change type to std::vector. + (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type. + (Mips_output_data_mips_stubs::symbols_): Change type to + Mips_stubs_entry_set. + (Mips_got_info::record_global_got_symbol): Don't pass object + argument when creating global got symbol. + (Mips_got_info::record_got_entry): Remove find before inserting + got entries. + (Mips_got_info::add_reloc_only_entries): Change type of iterator + to Global_got_entry_set. + (Mips_got_info::count_got_symbols): Likewise. + (Mips_output_data_la25_stub::create_la25_stub): Use push_back + for adding entries to symbols_. + (Mips_output_data_la25_stub::do_write): Change type of iterator + to std::vector. + (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type + of iterator to Mips_stubs_entry_set. + (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise. + (Mips_output_data_mips_stubs::do_write): Likewise. + +2016-05-06 Han Shen + + PR gold/19987. + + * aarch64-reloc.def: New relocation type. + * aarch64.cc (AArch64_relocate_functions::Page): Changed to public. + (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15. + (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15. + (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15. + +2016-04-28 Nick Clifton + + * po/zh_CN.po: Updated Chinese (simplified) translation. + +2016-04-15 H.J. Lu + + * Makefile.in: Regenerated with automake 1.11.6. + * aclocal.m4: Likewise. + * testsuite/Makefile.in: Likewise. + +2016-03-30 Cary Coutant + + PR gold/16979 + * symtab.cc (Symbol_table::define_default_version): Check for case + where symbols are both in different shared objects. + +2016-03-27 Cary Coutant + + PR gold/16111 + * i386.cc (Target_i386): Add check for fully-resolved symbol for + R_386_GOTOFF. + +2016-03-22 Nick Clifton + + * configure: Regenerate. + +2016-03-21 Cary Coutant + + PR gold/19842 + * errors.cc (Errors::undefined_symbol): Add info message when + symbol should have been provided by a plugin. + * target-reloc.h (issue_undefined_symbol_error): Check for + placeholder symbols defined in discarded sections. + * testsuite/Makefile.am (plugin_test_9b): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_test_9b_elf.cc: New test source file. + * testsuite/plugin_test_9b_ir.cc: New test source file. + +2016-03-20 Cary Coutant + + PR gold/19002 + * ehframe.cc (Eh_frame::read_fde): Check for dropped functions. + * testsuite/Makefile.am (eh_test_2): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/eh_test_2.sh: New test script. + * testsuite/eh_test_a.cc (bar): Make it comdat. + * testsuite/eh_test_b.cc (bar): Add a duplicate copy. + +2016-03-18 Vladimir Radosavljevic + + * mips.cc (Mips_relobj::is_n64_): Remove. + (Target_mips::ei_class_): Likewise. + (Mips_relobj::is_newabi): Call methods. + (Mips_relobj::is_n64): Change checking for N64 ABI. + (Target_mips::is_output_n64): Likewise. + (Target_mips::merge_processor_specific_flags): Remove ei_class + argument, and remove comparing ei_class. + (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field + of the ELF header. + (Target_mips::do_finalize_sections): Don't pass ei_class argument + to merge_processor_specific_flags. + (Target_mips::elf_mips_abi_name): Remove ei_class argument, and + change checking for N64 ABI. + +2016-03-17 Vladimir Radosavljevic + + * mips.cc (enum Special_relocation_symbol): New enum type. + (is_readonly_section): New function. + (eh_reloc): Likewise. + (Mips_got_entry::is_section_symbol_): New member. + (Mips_got_entry::is_section_symbol): New method. + (Mips_got_info::record_local_got_symbol): Add is_section_symbol + argument. + (Mips_relobj::mips_elf_options_section_name): New method. + (Mips_output_data_got::record_local_got_symbol): Add + is_section_symbol argument, and pass it to + Mips_got_info::record_local_got_symbol. + (Mips_output_data_got::got_offset): Add addend argument, and pass + it to Relobj::local_got_offset. + (struct Mips_output_reloc_writer): New type. + (class Mips_output_data_reloc): New class. + (Mips_output_data_plt::Reloc_section): Change type to + Mips_output_data_reloc. + (Target_mips::Reloc_section): Likewise. + (Mips_reloc_types::get_r_addend): Remove unsigned from return type. + (Mips_classify_reloc::get_r_type2): New method. + (Mips_classify_reloc::get_r_type3): Likewise. + (Mips_classify_reloc::get_r_ssym): Likewise. + (Target_mips::Reloca_section): Remove. + (Relocate::should_apply_static_reloc): Rename from + should_apply_r_mips_32_reloc. + (Target_mips::copy_reloc): Replace Reltype parameter with r_type + and r_offset. + (Mips_relocate_functions::Valtype): New type. + (Mips_relocate_functions::Valtype64): New type. + (Mips_relocate_functions::check_overflow): New method. + (Mips_relocate_functions::mips_reloc_unshuffle): Move to public + interface. + (Mips_relocate_functions::mips_reloc_shuffle): Likewise. + (Mips_relocate_functions::rel16): Add support for resolving + relocations for Mips64. + (Mips_relocate_functions::rel32): Likewise. + (Mips_relocate_functions::reljalr): Likewise. + (Mips_relocate_functions::relpc32): Likewise. + (Mips_relocate_functions::rel26): Likewise. + (Mips_relocate_functions::relpc16): Likewise. + (Mips_relocate_functions::relmicromips_pc7_s1): Likewise. + (Mips_relocate_functions::relmicromips_pc10_s1): Likewise. + (Mips_relocate_functions::relmicromips_pc16_s1): Likewise. + (Mips_relocate_functions::do_relhi16): Likewise. + (Mips_relocate_functions::do_relgot16_local): Likewise. + (Mips_relocate_functions::rello16): Likewise. + (Mips_relocate_functions::relgot): Likewise. + (Mips_relocate_functions::relgotpage): Likewise. + (Mips_relocate_functions::relgotofst): Likewise. + (Mips_relocate_functions::relgot_hi16): Likewise. + (Mips_relocate_functions::relgot_lo16): Likewise. + (Mips_relocate_functions::relgprel): Likewise. + (Mips_relocate_functions::relgprel32): Likewise. + (Mips_relocate_functions::tlsrelhi16): Likewise. + (Mips_relocate_functions::tlsrello16): Likewise. + (Mips_relocate_functions::tlsrel32): Likewise. + (Mips_relocate_functions::relsub): Likewise. + (Mips_relocate_functions::releh): New method. + (Mips_relocate_functions::rel64): Likewise. + (Mips_got_info::record_local_got_symbol): Add is_section_symbol and + pass it to Mips_got_entry. + (Mips_got_info::add_local_entries): Pass addend argument + to code functions, and for STT_SECTION symbols call + add_symbolless_local_addend. + (Mips_got_info::add_tls_entries): Pass addend argument to code + functions. + (Mips_relobj::do_read_symbols): Read gp value that was used to + create object. + (Mips_output_data_plt::plt_entry): Remove opcode from l[wd] + instruction. Opcode for instruction will be selected later. + (Target_mips::gc_process_relocs): Add case for SHT_RELA. + (Target_mips::scan_relocatable_relocs): Likewise. + (Target_mips::emit_relocs_scan): Likewise. + (Target_mips::relocate_relocs): Likewise. + (Target_mips::do_finalize_sections): Skip objects for merging + processor specific flags in which all input sections will be + discarded. + (mips_get_size_for_reloc): Add case for R_MIPS_EH. + (Target_mips::Scan::get_reference_flags): Likewise. + (Target_mips::relocate_special_relocatable): Call rel26 method with + calculate_only and calculated_value arguments. + (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a + dynamic relocation against a readonly sections, and pass + is_section_symbol to Mips_got_info::record_local_got_symbol. + (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a + dynamic relocation against a readonly sections, and pass r_type + and r_offset to Target_mips::copy_reloc. + (Target_mips::Relocate::relocate): Add support for resolving + relocations for Mips64. + (Target_mips::mips_info): Add case for Mips64 default dynamic + linker name. + (Target_selector_mips): Correct emulation names. + +2016-03-17 Vladimir Radosavljevic + + * mips.cc (class Mips_output_data_la25_stub): Add + do_print_to_mapfile function. + +2016-03-17 Vladimir Radosavljevic + + * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of + elf_r_info. + +2016-03-09 H.J. Lu + + * testsuite/plugin_layout_with_alignment.cc: Renamed to .. + * testsuite/plugin_layout_with_alignment.c: This. + * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated. + (plugin_layout_with_alignment): Likewise. + * testsuite/Makefile.in: Regenerated. + +2016-03-08 Cary Coutant + + PR 19751 + * testsuite/Makefile.am (retain_symbols_file_test): Remove check + for constructor. + * testsuite/Makefile.in: Regenerate. + * testsuite/dynamic_list.sh: Likewise. + * testsuite/retain_symbols_file_test.sh: Likewise. + +2016-03-08 Cary Coutant + + PR 19751 + * arm.cc (Reloc_stub::Key::name): Add unused attribute. + * dirsearch.cc (Dir_caches::~Dir_caches): Likewise. + +2016-03-08 Cary Coutant + Vladimir Radosavljevic + + * output.cc (Output_reloc_writer): New type. + (Output_data_reloc_base::do_write): Move implementation to template + in output.h and replace with invocation of template. + * output.h (Output_file): Move to top of file. + (Output_reloc::get_symbol_index): Move to public interface. + (Output_reloc::get_address): Likewise. + (Output_data_reloc_base::do_write_generic): New function template. + +2016-03-04 Cary Coutant + + PR gold/19019 + PR gold/19763 + * symtab.cc: Instantiate Sized_symbol::init_constant and + Sized_symbol::init_undefined. + +2016-03-03 Cary Coutant + + PR gold/19019 + * layout.h (Layout::add_target_specific_dynamic_tag): New function. + * layout.cc (Layout::add_target_specific_dynamic_tag): New function. + * mips.cc (Target_mips::make_symbol): Adjust function signature. + * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_. + (Target_sparc::do_is_defined_by_abi): Remove test for + STT_SPARC_REGISTER. + (Target_sparc::Register_symbol): New struct type. + (Target_sparc::register_syms_): New data member. + (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true. + (Target_sparc::make_symbol): New function. + (Target_sparc::do_finalize_sections): Add register symbols and new + dynamic table entries. + * symtab.h (Sized_symbol::init_undefined): Add value parameter. + (Symbol_table::add_target_global_symbol): New function. + (Symbol_table::target_symbols_): New data member. + * symtab.cc (Sized_symbol::init_undefined): Add value parameter. + (Symbol_table::Symbol_table): Initialize target_symbols_. + (Symbol_table::add_from_object): Pass additional parameters to + Target::make_symbol. + (Symbol_table::define_special_symbol): Likewise. + (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for + undefined symbol value. + (Symbol_table::set_dynsym_indexes): Process target-specific symbols. + (Symbol_table::sized_finalize): Likewise. + (Symbol_table::sized_write_globals): Likewise. + * target.h (Sized_target::make_symbol): Add name, st_type, object, + st_shndx, and value parameters. + +2016-03-03 Rafael Ávila de Espíndola + + * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and + LDPK_WEAKUNDEF symbols. + +2016-03-03 Than McIntosh + + * plugin.cc (Plugin::load): Include hooks for get_input_section_size + and get_input_section_alignment in transfer vector. + (get_input_section_alignment): New function. + (get_input_section_size): New function. + * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test. + * testsuite/Makefile.in: [Regenerate.] + * testsuite/plugin_section_alignment.cc: New test file. + * testsuite/plugin_layout_with_alignment.cc: New test file. + * testsuite/plugin_layout_with_alignment.sh: New test file. + +2016-03-03 Evgenii Stepanov + + * plugin.h (Pluginobj::get_symbol_resolution_info): Add version + parameter. + * plugin.cc (get_symbols_v3): New function. + (Plugin::load): Add LDPT_GET_SYMBOLS_V3. + (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using + new version. + +2016-02-26 Egor Kochetov + Cary Coutant + + PR gold/19735 + * ehframe.h (Cie::fde_encoding): New method. + * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length + address ranges. + +2016-02-15 H.J. Lu + + * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass + -mrelax-relocations=yes to $(TEST_AS). + (x86_64_mov_to_lea6.o): Likewise. + (x86_64_overflow_pc32.o): Remove duplicated target. + * testsuite/Makefile.in: Regenerated. + +2016-02-15 Marcin Kościelnicki + + * s390.cc (Target_s390::match_view_u): New helper method. + (Target_s390::do_is_call_to_non_split): New method. + (Target_s390::ss_code_st_r14): New const. + (Target_s390::ss_code_l_r14): New const. + (Target_s390::ss_code_bras_8): New const. + (Target_s390::ss_code_l_basr): New const. + (Target_s390::ss_code_a_basr): New const. + (Target_s390::ss_code_ear): New const. + (Target_s390::ss_code_c): New const. + (Target_s390::ss_code_larl): New const. + (Target_s390::ss_code_brasl): New const. + (Target_s390::ss_code_jg): New const. + (Target_s390::ss_code_jgl): New const. + (Target_s390::ss_match_mcount): New helper method. + (Target_s390::ss_match_l): New helper method. + (Target_s390::ss_match_ahi): New helper method. + (Target_s390::ss_match_alfi): New helper method. + (Target_s390::ss_match_cr): New helper method. + (Target_s390::do_calls_non_split): New method. + * testsuite/Makefile.am: Added new tests. + * testsuite/Makefile.in: Regenerate. + * testsuite/split_s390.sh: New test. + * testsuite/split_s390_1_a1.s: New test. + * testsuite/split_s390_1_a2.s: New test. + * testsuite/split_s390_1_n1.s: New test. + * testsuite/split_s390_1_n2.s: New test. + * testsuite/split_s390_1_z1.s: New test. + * testsuite/split_s390_1_z2.s: New test. + * testsuite/split_s390_1_z3.s: New test. + * testsuite/split_s390_1_z4.s: New test. + * testsuite/split_s390_2_ns.s: New test. + * testsuite/split_s390_2_s.s: New test. + * testsuite/split_s390x_1_a1.s: New test. + * testsuite/split_s390x_1_a2.s: New test. + * testsuite/split_s390x_1_n1.s: New test. + * testsuite/split_s390x_1_n2.s: New test. + * testsuite/split_s390x_1_z1.s: New test. + * testsuite/split_s390x_1_z2.s: New test. + * testsuite/split_s390x_1_z3.s: New test. + * testsuite/split_s390x_1_z4.s: New test. + * testsuite/split_s390x_2_ns.s: New test. + * testsuite/split_s390x_2_s.s: New test. + +2016-02-11 Rahul Chaudhry + + * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove + info message for every erratum 843419 found and fixed. + +2016-02-07 Cary Coutant + + PR gold/18695 + * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional + information to relocation overflow errors. + +2016-02-06 Cary Coutant + + PR gold/18695 + * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32 + overflow checking when symbol value + addend < 0. + +2016-02-06 Cary Coutant + + PR gold/19577 + * reloc.h (Limits): New class. + (Bits::has_overflow32): Use min/max values from Limits. + (Bits::has_unsigned_overflow32): Likewise. + (Bits::has_signed_unsigned_overflow32): Likewise. + (Bits::has_overflow): Likewise. + (Bits::has_unsigned_overflow): Likewise. + (Bits::has_signed_unsigned_overflow64): Likewise. + +2016-02-06 Cary Coutant + + PR gold/19567 + * reloc.h (Relocate_functions::Overflow_check): Add comments. + * x86_64.cc (X86_64_relocate_functions): New class. + (Target_x86_64::Relocate::relocate): Use the new class. + * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option. + (x32_overflow_pc32): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/x32_overflow_pc32.sh: New script. + * testsuite/x86_64_overflow_pc32.s: Remove .space directive. + +2016-02-06 Cary Coutant + + PR gold/19577 + * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast. + (Bits::has_unsigned_overflow): Remove unnecessary static_cast. + +2016-02-06 Cary Coutant + + PR gold/19577 + * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed + comparison. + (Bits::has_unsigned_overflow): Likewise. + +2016-02-06 Marcin Kościelnicki + + * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size + parameters. + * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view + and view_size to is_call_to_non_split. + * target.cc (Target::is_call_to_non_split): Add view and view_size + parameters. + * target.h (class Target): Likewise. + +2016-02-05 Sriraman Tallam + + * icf.cc (get_rel_addend): New function. + (get_section_contents): Move merge section addend computation to a + new function. Ignore negative values for SHT_REL and SHT_RELA addends. + Fix bug to not read past the length of the section. + +2016-02-05 Cary Coutant + Andrew Senkevich + + PR gold/18695 + * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow + checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and + R_X86_64_PLT32. + * testsuite/Makefile.am (x86_64_overflow_pc32): New test. + * testsuite/x86_64_overflow_pc32.sh: New test script. + * testsuite/x86_64_overflow_pc32.s: New source file. + +2016-02-05 Cary Coutant + + PR gold/18695 + * reloc.h (Relocate_functions::Address): New typedef. + (Relocate_functions::Addendtype): New typedef. + (Relocate_functions::Overflow_check): New enum type. + (Relocate_functions::Reloc_status): New enum type. + (Relocate_functions::check_overflow): New function template. + (Relocate_functions::rel): Add check parameter; check for overflow. + (Relocate_functions::rel_unaligned): Likewise. + (Relocate_functions::rela): Likewise. + (Relocate_functions::pcrel): Likewise. + (Relocate_functions::pcrel_unaligned): Likewise. + (Relocate_functions::pcrela): Likewise. + (Relocate_functions::rel8): Adjust parameter types. + (Relocate_functions::rela8): Likewise. + (Relocate_functions::pcrel8): Likewise. + (Relocate_functions::pcrela8): Likewise. + (Relocate_functions::rel16): Likewise. + (Relocate_functions::rela168): Likewise. + (Relocate_functions::pcrel16): Likewise. + (Relocate_functions::pcrela16): Likewise. + (Relocate_functions::rel32): Likewise. + (Relocate_functions::rel32_unaligned): Likewise. + (Relocate_functions::rela32): Likewise. + (Relocate_functions::pcrel32): Likewise. + (Relocate_functions::pcrel32_unaligned): Likewise. + (Relocate_functions::pcrela32): Likewise. + (Relocate_functions::rel8_check): New function. + (Relocate_functions::rela8_check): New function. + (Relocate_functions::pcrel8_check): New function. + (Relocate_functions::pcrela8_check): New function. + (Relocate_functions::rel16_check): New function. + (Relocate_functions::rela168_check): New function. + (Relocate_functions::pcrel16_check): New function. + (Relocate_functions::pcrela16_check): New function. + (Relocate_functions::rel32_check): New function. + (Relocate_functions::rel32_unaligned_check): New function. + (Relocate_functions::rela32_check): New function. + (Relocate_functions::pcrel32_check): New function. + (Relocate_functions::pcrel32_unaligned_check): New function. + (Relocate_functions::pcrela32_check): New function. + (Bits::has_unsigned_overflow32): New function. + (Bits::has_unsigned_overflow): New function. + * testsuite/Makefile.am (overflow_unittest): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/overflow_unittest.cc: New source file. + +2016-02-04 Alan Modra + + * powerpc.cc (relocate): Adjust last patch for big-endian. + +2016-02-02 Alan Modra + + * powerpc.cc (relocate): Further restrict ELFv2 entry optimization. + +2016-01-15 Han Shen + + PR gold/19472 - need pc-relative stubs. + + * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative + stub type for DSOs and pie executables. + +2016-01-12 H.J. Lu + + * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove + 'typename'. + +2016-01-12 Cary Coutant + + * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method. + * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method. + * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both + specializations) New method. + +2016-01-11 Cary Coutant + + PR gold/19353 + * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that + we have a TLS segment for GD-to-IE optimization. + * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter. + Adjust all calls. + (Target_i386::tls_desc_gd_to_ie): Likewise. + (Target_i386::relocate_tls): Don't insist that we have a TLS segment + for TLSDESC GD-to-IE optimizations. + * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter. + Adjust all calls. + (Target_x86_64::tls_desc_gd_to_ie): Likewise. + (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment + for TLSDESC GD-to-IE optimizations. + +2016-01-11 Cary Coutant + + Refactor gold to enable support for MIPS-64 relocation format. + + * gc.h (get_embedded_addend_size): Remove sh_type parameter. + (gc_process_relocs): Remove sh_type template parameter. + Use Classify_reloc to access r_sym, r_type, and r_addend fields. + * object.h (Sized_relobj_file::split_stack_adjust): Add target + parameter. + (Sized_relobj_file::split_stack_adjust_reltype): Likewise. + * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA + specializations) Remove. + * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h. + (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan(). + (Sized_relobj_file::emit_relocs_scan_reltype): Remove. + (Sized_relobj_file::split_stack_adjust): Add target parameter. + Adjust all callers. + (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call + Target::get_r_sym() to get r_sym field from relocations. + (Track_relocs::next_symndx): Call Target::get_r_sym(). + * target-reloc.h (scan_relocs): Remove sh_type template parameter; + add Classify_reloc template parameter. Use for accessing r_sym and + r_type. + (relocate_section): Likewise. + (Default_classify_reloc): New class (renamed and moved from reloc.cc). + (Default_scan_relocatable_relocs): Remove sh_type template parameter. + (Default_scan_relocatable_relocs::Reltype): New typedef. + (Default_scan_relocatable_relocs::reloc_size): New const. + (Default_scan_relocatable_relocs::sh_type): New const. + (Default_scan_relocatable_relocs::get_r_sym): New method. + (Default_scan_relocatable_relocs::get_r_type): New method. + (Default_emit_relocs_strategy): New class. + (scan_relocatable_relocs): Replace sh_type template parameter with + Scan_relocatable_relocs class. Use it to access r_sym and r_type + fields. + (relocate_relocs): Replace sh_type template parameter with + Classify_reloc class. Use it to access r_sym and r_type fields. + * target.h (Target::is_call_to_non_split): Replace r_type parameter + with pointer to relocation. Adjust all callers. + (Target::do_is_call_to_non_split): Likewise. + (Target::emit_relocs_scan): New virtual method. + (Sized_target::get_r_sym): New virtual method. + * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter + with pointer to relocation. + + * aarch64.cc (Target_aarch64::emit_relocs_scan): New method. + (Target_aarch64::Relocatable_size_for_reloc): Remove. + (Target_aarch64::gc_process_relocs): Use Default_classify_reloc. + (Target_aarch64::scan_relocs): Likewise. + (Target_aarch64::relocate_section): Likewise. + (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc): + Remove. + (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc. + (Target_aarch64::relocate_relocs): Use Default_classify_reloc. + * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type + template parameter. + (Target_arm::emit_relocs_scan): New method. + (Target_arm::Relocatable_size_for_reloc): Replace with... + (Target_arm::Classify_reloc): ...this. + (Target_arm::gc_process_relocs): Use Classify_reloc. + (Target_arm::scan_relocs): Likewise. + (Target_arm::relocate_section): Likewise. + (Target_arm::scan_relocatable_relocs): Likewise. + (Target_arm::relocate_relocs): Likewise. + * i386.cc (Target_i386::emit_relocs_scan): New method. + (Target_i386::Relocatable_size_for_reloc): Replace with... + (Target_i386::Classify_reloc): ...this. + (Target_i386::gc_process_relocs): Use Classify_reloc. + (Target_i386::scan_relocs): Likewise. + (Target_i386::relocate_section): Likewise. + (Target_i386::scan_relocatable_relocs): Likewise. + (Target_i386::relocate_relocs): Likewise. + * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template + parameter. + (Mips_reloc_types): New class template. + (Mips_classify_reloc): New class template. + (Target_mips::Reltype): New typedef. + (Target_mips::Relatype): New typedef. + (Target_mips::emit_relocs_scan): New method. + (Target_mips::get_r_sym): New method. + (Target_mips::Relocatable_size_for_reloc): Replace with + Mips_classify_reloc. + (Target_mips::copy_reloc): Use Mips_classify_reloc. + (Target_mips::gc_process_relocs): Likewise. + (Target_mips::scan_relocs): Likewise. + (Target_mips::relocate_section): Likewise. + (Target_mips::scan_relocatable_relocs): Likewise. + (Target_mips::relocate_relocs): Likewise. + (mips_get_size_for_reloc): New function, factored out from + Relocatable_size_for_reloc::get_size_for_reloc. + (Target_mips::Scan::local): Use Mips_classify_reloc. + (Target_mips::Scan::global): Likewise. + (Target_mips::Relocate::relocate): Likewise. + * powerpc.cc (Target_powerpc::emit_relocs_scan): New method. + (Target_powerpc::Relocatable_size_for_reloc): Remove. + (Target_powerpc::gc_process_relocs): Use Default_classify_reloc. + (Target_powerpc::scan_relocs): Likewise. + (Target_powerpc::relocate_section): Likewise. + (Powerpc_scan_relocatable_reloc): Convert to class template. + (Powerpc_scan_relocatable_reloc::Reltype): New typedef. + (Powerpc_scan_relocatable_reloc::reloc_size): New const. + (Powerpc_scan_relocatable_reloc::sh_type): New const. + (Powerpc_scan_relocatable_reloc::get_r_sym): New method. + (Powerpc_scan_relocatable_reloc::get_r_type): New method. + (Target_powerpc::scan_relocatable_relocs): Use + Powerpc_scan_relocatable_reloc. + (Target_powerpc::relocate_relocs): Use Default_classify_reloc. + * s390.cc (Target_s390::emit_relocs_scan): New method. + (Target_s390::Relocatable_size_for_reloc): Remove. + (Target_s390::gc_process_relocs): Use Default_classify_reloc. + (Target_s390::scan_relocs): Likewise. + (Target_s390::relocate_section): Likewise. + (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc): + Remove. + (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc. + (Target_s390::relocate_relocs): Use Default_classify_reloc. + * sparc.cc (Target_sparc::emit_relocs_scan): New method. + (Target_sparc::Relocatable_size_for_reloc): Remove. + (Target_sparc::gc_process_relocs): Use Default_classify_reloc. + (Target_sparc::scan_relocs): Likewise. + (Target_sparc::relocate_section): Likewise. + (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc): + Remove. + (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc. + (Target_sparc::relocate_relocs): Use Default_classify_reloc. + * tilegx.cc (Target_tilegx::emit_relocs_scan): New method. + (Target_tilegx::Relocatable_size_for_reloc): Remove. + (Target_tilegx::gc_process_relocs): Use Default_classify_reloc. + (Target_tilegx::scan_relocs): Likewise. + (Target_tilegx::relocate_section): Likewise. + (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc): + Remove. + (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc. + (Target_tilegx::relocate_relocs): Use Default_classify_reloc. + * x86_64.cc (Target_x86_64::emit_relocs_scan): New method. + (Target_x86_64::Relocatable_size_for_reloc): Remove. + (Target_x86_64::gc_process_relocs): Use Default_classify_reloc. + (Target_x86_64::scan_relocs): Likewise. + (Target_x86_64::relocate_section): Likewise. + (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc): + Remove. + (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc. + (Target_x86_64::relocate_relocs): Use Default_classify_reloc. + + * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method. + 2016-01-01 Alan Modra Update year range in copyright notice of all files.