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* Update year range in copyright notice of binutils filesAlan Modra2023-01-011-1/+1
| | | | | | The newer update-copyright.py fixes file encoding too, removing cr/lf on binutils/bfdtest2.c and ld/testsuite/ld-cygwin/exe-export.exp, and embedded cr in binutils/testsuite/binutils-all/ar.exp string match.
* Update year range in copyright notice of binutils filesAlan Modra2022-01-021-1/+1
| | | | | | | | | | The result of running etc/update-copyright.py --this-year, fixing all the files whose mode is changed by the script, plus a build with --enable-maintainer-mode --enable-cgen-maint=yes, then checking out */po/*.pot which we don't update frequently. The copy of cgen was with commit d1dd5fcc38ead reverted as that commit breaks building of bfp opcodes files.
* [GOLD] Got_offset_list: addend fieldAlan Modra2021-09-181-6/+7
| | | | | | | | | | | | | | | | | | | | | This is the first in a series of patches aimed at supporting GOT entries against symbol plus addend generally for PowerPC64 rather than just section symbol plus addend as gold has currently. This patch adds an addend field to Got_offset_list, so that both local and global symbols can have GOT entries with addend. PR 28192 * object.h (Got_offset_list): Add addend_ field, init in both constructors. Adjust all accessors to suit. (Sized_relobj::do_local_has_got_offset): Adjust to suit. (Sized_relobj::do_local_got_offset): Likewise. (Sized_relobj::do_set_local_got_offset): Likewise. * symtab.h (Symbol::has_got_offset): Add optional addend param. (Symbol::got_offset, Symbol::set_got_offset): Likewise. * incremental.cc (Local_got_offset_visitor::visit): Add unused uint64_t parameter with FIXME. (Global_got_offset_visitor::visit): Add unused uint64_t parameter.
* Update year range in copyright notice of binutils filesAlan Modra2021-01-011-1/+1
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* Update year range in copyright notice of binutils filesAlan Modra2020-01-011-1/+1
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* [GOLD] OSABI not set when STT_GNU_IFUNC or STB_GNU_UNIQUE symbols outputAlan Modra2019-11-191-0/+6
| | | | | | | | | | | | | | | | | | | | | | This patch arranges to have OSABI set to ELFOSABI_GNU (if not set to some other non-zero value) when gold outputs an ifunc local or global symbol, or a unique global symbol to either .dynsym or .symtab. STT_GNU_IFUNC and STB_GNU_UNIQUE have values in the LOOS to HIOS range and therefore require interpretation according to OSABI. I'm not sure why parameters->target() is const Target& while parameters->sized_target() is Sized_target*, but it's inconvenient to use the latter in Symbol_table::finalize. So this patch adds another const_cast complained about in layout.cc and gold.cc. PR 24853 * symtab.h (set_has_gnu_output, has_gnu_output_): New. * symtab.cc (Symbol_table::Symbol_table): Init has_gnu_output_. (Symbol_table::finalize): Set ELFOSABI_GNU when has_gnu_output_. (Symbol_table::set_dynsym_indexes, Symbol_table::sized_finalize): Call set_has_gnu_output for STT_GNU_IFUNC and STB_GNU_UNIQUE globals. * object.cc (Sized_relobj_file::do_finalize_local_symbols): Call set_has_gnu_output when STT_GNU_IFUNC locals will be output.
* Update year range in copyright notice of binutils filesAlan Modra2019-01-011-1/+1
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* gold won't build with gcc-9Alan Modra2018-12-051-1/+1
| | | | * symtab.h (Symbol::Symbol): Avoid -Wclass-memaccess warning.
* Fix internal error caused by conflicting default version definitions.Cary Coutant2018-04-241-0/+5
| | | | | | | | | | | | | | | | | | | | gold/ PR gold/16504 * dynobj.cc (Versions::symbol_section_contents): Don't set VERSYM_HIDDEN flag for undefined symbols. * symtab.cc (Symbol_table::add_from_object): Don't override default version definition with a different default version. * symtab.h (Symbol::from_dyn): New method. * testsuite/plugin_test.c (struct sym_info): Add ver field. (claim_file_hook): Pass symbol version to plugin API. (parse_readelf_line): Parse symbol version. * testsuite/Makefile.am (ver_test_pr16504): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/ver_test_pr16504.sh: New test script. * testsuite/ver_test_pr16504_a.c: New source file. * testsuite/ver_test_pr16504_a.script: New version script. * testsuite/ver_test_pr16504_b.c: New source file. * testsuite/ver_test_pr16504_b.script: New version script.
* Update year range in copyright notice of binutils filesAlan Modra2018-01-031-1/+1
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* gold: Ignore def/ref from a dynamic object for special symbolsH.J. Lu2017-11-081-1/+2
| | | | | | | | | | | | | | | | | | | | | | | Since special symbol must be defined in a regular object, definition from a dynamic object should be ignored. If special symbol has the hidden or internal visibility, reference from a dynamic object should also be ignored. Also __start and __stop symbols in a dynamic object shouldn't be preempted. PR gold/22291 * layout.cc (Layout::define_section_symbols): Use STV_PROTECTED for __start and __stop symbols. * symtab.cc (Symbol_table::define_special_symbol): Add an argument, visibility. Ignore definition and reference from a dynamic object, depending on visibility. (Symbol_table::do_define_in_output_data): Pass visibility to define_special_symbol. (Symbol_table::do_define_in_output_segment): Likewise. (Symbol_table::do_define_as_constant): Likewise. (Symbol_table::add_undefined_symbol_from_command_line): Pass STV_DEFAULT to define_special_symbol. * symtab.h (Symbol_table::define_special_symbol): Add an argument, visibility.
* [GOLD] PowerPC tls_get_addr_optimizeAlan Modra2017-08-291-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements the special __tls_get_addr_opt call stub for powerpc gold that returns __thread variable addresses without actually making a call to __tls_get_addr in most cases. Shared libraries that are loaded at program load time (ie. dlopen is not used) have a known layout for their __thread variables, and thus DTPMOD64/DPTREL64 pairs describing those variables can be set up by ld.so for the __tls_get_addr_opt call stub fast exit. Ref https://sourceware.org/ml/libc-alpha/2015-03/msg00626.html I really, really wish I'd used a differently versioned __tls_get_addr symbol than the base symbol to indicate glibc support for the optimized call, rather than having glibc export __tls_get_addr_opt. A lot of the messing around here, flipping symbols from __tls_get_addr to __tls_get_addr_opt, is caused by that decision. About the only benefit is that a user can see at a glance that their disassembled code is calling __tls_get_addr via the fancy call stub.. Anyway, we need references to __tls_get_addr to seem like they were to __tls_get_addr_opt, and in cases like the tsan interceptor, a definition of __tls_get_addr to seem like one of __tls_get_addr_opt as well. That's the reason for Symbol::clear_in_reg and Symbol_table::clone, and why symbols are substituted in Scan::global and other places dealing with dynamic linking. elfcpp/ * elfcpp.h (DT_PPC_OPT): Define. * powerpc.h (PPC_OPT_TLS): Define. gold/ * options.h (tls_get_addr_optimize): New option. * symtab.h (Symbol::clear_in_reg, clone): New functions. (Sized_symbol::clone): New function. (Symbol_table::clone): New function. * resolve.cc (Symbol::clone, Sized_symbol::clone): New functions. * powerpc.cc (Target_powerpc::has_tls_get_addr_opt_, tls_get_addr_, tls_get_addr_opt_): New vars. (Target_powerpc::tls_get_addr_opt, tls_get_addr, is_tls_get_addr_opt, replace_tls_get_addr, set_has_tls_get_addr_opt, stk_linker): New functions. (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Add target param. Update callers. Compare symbols rather than names. (Target_powerpc::do_define_standard_symbols): Init tls_get_addr_ and tls_get_addr_opt_. (Target_powerpc::Branch_info::mark_pltcall): Translate tls_get_addr sym to tls_get_addr_opt. (Target_powerpc::Branch_info::make_stub): Likewise. (Stub_table::define_stub_syms): Likewise. (Target_powerpc::Scan::global): Likewise. (Target_powerpc::Relocate::relocate): Likewise. (add_3_12_2, add_3_12_13, bctrl, beqlr, cmpdi_11_0, cmpwi_11_0, ld_11_1, ld_11_3, ld_12_3, lwz_11_3, lwz_12_3, mr_0_3, mr_3_0, mtlr_11, std_11_1): New constants. (Stub_table::eh_frame_added_): Delete. (Stub_table::tls_get_addr_opt_bctrl_, plt_fde_len_, plt_fde_): New vars. (Stub_table::init_plt_fde): New functions. (Stub_table::add_eh_frame, replace_eh_frame): Move definition out of line. Init and use plt_fde_. (Stub_table::plt_call_size): Return size for tls_get_addr stub. Extract alignment code to.. (Stub_table::plt_call_align): ..this new function. Adjust all callers. (Stub_table::add_plt_call_entry): Set has_tls_get_addr_opt and tls_get_addr_opt_bctrl, and align after that. (Stub_table::do_write): Write out tls_get_addr stub. (Target_powerpc::do_finalize_sections): Emit DT_PPC_OPT PPC_OPT_TLS/PPC64_OPT_TLS bit. (Target_powerpc::Relocate::relocate): Don't check for or modify nop following bl for tls_get_addr stub.
* [GOLD] Reduce size of class SymbolAlan Modra2017-08-291-44/+44
| | | | | | | | | | | | | | | | | | On 64-bit targets there is a 32-bit hole in symbol->u_, and another due to symbol flags exceeding 32 bits. By splitting the union, the total size of the class reduces by one 64-bit word. * symtab.h (Symbol): Split u_ into u1_ and u2_. Adjust accessors to suit. Move plt_offset_ before got_offsets_. * symtab.cc (Symbol::init_fields): Adjust for union change. (Symbol::init_base_output_data): Likewise. (Symbol::init_base_output_segment): Likewise. (Symbol::allocate_base_common): Likewise. (Symbol::output_section): Likewise. (Symbol::set_output_section): Likewise. (Symbol::set_output_segment): Likewise. * resolve.cc (Symbol::override_base): Likewise. (Symbol::override_base_with_special): Likewise.
* [GOLD] Symbol flag for PowerPC64 localentry:0 trackingAlan Modra2017-08-281-0/+12
| | | | | | | | | | | | | | | | | | | | | | This patch provides a flag for PowerPC64 ELFv2 use in class Symbol, and modifies Sized_target::resolve to return whether the symbol has been resolved. If not, normal processing continues. I use this for PowerPC64 ELFv2 to keep track of whether a symbol has any definition with non-zero localentry, in order to disable --plt-localentry for that symbol. PR 21847 * powerpc.cc (Target_powerpc::is_elfv2_localentry0): Test non_zero_localentry. (Target_powerpc::resolve): New function. (powerpc_info): Set has_resolve for 64-bit. * target.h (Sized_target::resolve): Return bool. * resolve.cc (Symbol_table::resolve): Continue with normal processing when target resolve returns false. * symtab.h (Symbol::non_zero_localentry, set_non_zero_localentry): New accessors. (Symbol::non_zero_localentry_): New flag bit. * symtab.cc (Symbol::init_fields): Init non_zero_localentry_.
* [GOLD] PowerPC64 tocsaveAlan Modra2017-06-231-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support to gold for the tocsave relocs already supported by ld.bfd. R_PPC64_TOCSAVE relocs are part of a scheme to move r2 saves to the prologue of a function rather than in each plt call stub. We don't want a compiler to always emit the r2 save, as this would be wasted if the calls turned out to be local. See the tocsave*.s in ld/testsuite/ld-powerpc/. * powerpc.cc (Target_powerpc::tocsave_loc_): New var. (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions. (Target_powerpc::Branch_info::tocsave_): New var. (Target_powerpc::Branch_info::mark_pltcall): New function. (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to add_plt_call_entry. (Stub_table::Plt_stub_ent): Make public. Add r2save_. (Stub_table::add_plt_call_entry): Add bool tocsave_ param. Set r2save_. (Stub_table::find_plt_call_entry): Return Plt_stub_ent*. Adjust use throughout. (Stub_table::do_write): Conditionally output r2 save in plt stubs. (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE. (Target_powerpc::Scan::global): Likewise. (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub with tocsave reloc. Replace header tocsave nop with r2 save. * symtab.h (struct Symbol_location_hash): Make public.
* Update year range in copyright notice of all files.Alan Modra2017-01-021-1/+1
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* Fix placement of forced local symbols in the dynamic symbol table.Cary Coutant2016-12-221-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Gold was not placing forced-local symbols (e.g., hidden visibility) at the front of the dynamic symbol table, or including them in the count of local symbols recorded in the .dynsym section's sh_info field. gold/ * layout.cc (Layout::finalize): Track count of forced-local symbols in .dynsym. (Layout::create_symtab_sections): Add local_dynamic_count parameter; use that instead of sh_info value. (Layout::create_dynamic_symtab): Add pforced_local_dynamic_count parameter; pass it to Symtab::set_dynsym_indexes(). Include forced locals in sh_info value. Pass index of first real global to Dynobj::create_gnu_hash_table() and Dynobj::create_elf_hash_table(). * layout.h (Layout::create_symtab_sections): Add local_dynamic_count parameter. (Layout::create_dynamic_symtab): Add pforced_local_dynamic_count parameter. * symtab.cc (Symbol_table::set_dynsym_indexes): Add pforced_local_count parameter. Process forced-local symbols first and return the count. (Symbol_table::finalize): Update comments. * symtab.h (Symbol_table::set_dynsym_indexes): Add pforced_local_count parameter. (Symbol_table::first_dynamic_global_index_): Update comment. (Symbol_table::dynamic_count_): Update comment. * testsuite/Makefile.am (ifuncmod1.sh): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/ifuncmod1.sh: New shell script.
* Fix problem where version script causes predefined hidden symbol to be ↵Cary Coutant2016-12-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | defined twice. When creating a predefined hidden symbol like _GLOBAL_OFFSET_TABLE_, gold was incorrectly letting a version script add a version to the symbol, resulting in two copies of the symbol, both STB_LOCAL, but one of which was grouped in the globals part of the symbol table. gold/ * symtab.cc (Symbol_table::define_special_symbol): Add is_forced_local parameter; if set, do not check version script. (Symbol_table::do_define_in_output_data): Pass is_forced_local for STB_LOCAL predefined symbols. (Symbol_table::do_define_in_output_segment): Likewise. (Symbol_table::do_define_in_output_segment): Likewise. (Symbol_table::do_define_as_constant): Likewise. * symtab.h (Symbol_table::define_special_symbol): Add is_forced_local parameter. Adjust all callers. * testsuite/Makefile.am (ver_test_8.sh): New test case. * testsuite/Makefile.in: Regenerate. * ver_test_8.sh: New test script.
* Don't allow COPY relocations for protected symbols.Cary Coutant2016-05-191-0/+17
| | | | | | | | | | | | | | | | | | | | | | | gold/ 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.
* Add support for STT_SPARC_REGISTER symbols.Cary Coutant2016-03-031-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | gold/ 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.
* Copyright update for binutilsAlan Modra2016-01-011-1/+1
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* Fix symbol versioning problems in PR 18703.Cary Coutant2015-08-181-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a symbol is defined with ".symver foo,foo@VER", the assembler creates two symbols in the object: one unversioned, and one with the (non-default) version "VER". If foo is listed in a version script, gold would then make the first of those symbols the default version, and would ignore the second symbol as a duplicate, without making it a non-default version. While this is arguably reasonable behavior, it doesn't match Gnu ld behavior, so this patch fixes that by allowing the second definition to override the first by resetting the "default version" indication. Several test cases from the Gnu ld testsuite also exposed another related problem, where a symbol defined with ".symver foo,foo@", placed into a shared library, is not handled properly by gold. This patch also fixes that case, binding the symbol to the base version. gold/ PR gold/18703 * dynobj.cc (Versions::record_version): Handle symbol defined with base version. (Versions::symbol_section_contents): Likewise. * symtab.h (Symbol::set_is_not_default): New class method. (Symbol_table::resolve): Add is_default_version parameter. (Symbol_table::should_override): Likewise. * resolve.cc (Symbol_table::resolve): Add is_default_version parameter, and pass to should_override. Adjust all callers and explicit instantiations. (Symbol_table::should_override): Add is_default_value parameter; allow default version in a dynamic object to override existing definition from same object. * symtab.cc (Symbol_table::add_from_object): Handle case where same symbol is defined as unversioned and non-default version in the same object. * testsuite/Makefile.am (ver_test_13): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/ver_test_4.cc: Add test for symbol with base version. * testsuite/ver_test_4.sh: Likewise. * testsuite/ver_test_13.c: New source file. * testsuite/ver_test_13.script: New version script. * testsuite/ver_test_13.sh: New test case.
* Fix incorrect handling of STT_COMMON symbols in shared libraries.Cary Coutant2015-06-071-2/+0
| | | | | | | | | | | | | | | | | | | | | | The gABI allows STT_COMMON symbols to appear in executables and shared objects, so that the dynamic loader can resolve commons across modules. When reading a shared object, however, an STT_COMMON symbol should be treated as a regular definition at link time. In a relocatable object, the gABI requires that any STT_COMMON symbols must also be defined in the special SHN_COMMON section (which we extend to include target-specific small and large common sections). Thus, there is no need for gold to treat STT_COMMON symbols as common unless the st_shndx field is also set to a common section. gold/ PR gold/18288 * resolve.cc (symbol_to_bits): Remove type parameter; adjust all callers. Don't use STT_COMMON to check for common symbols. (Symbol_table::resolve): Warn if relocatable object has STT_COMMON symbol that's not in a common section. * symtab.h (Symbol::is_common): Don't use STT_COMMON to check for common symbols.
* Change Section_id type to use Relobj* instead of Object*.Cary Coutant2015-05-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2015-04-29 Cary Coutant <cary@google.com> Rafael Ávila de Espíndola <rafael.espindola@gmail.com> gold/ * gc.h (Garbage_collection::is_section_garbage): Change Object* to Relobj*. (Garbage_collection::add_reference): Likewise. (Garbage_collection::gc_process_relocs): Likewise. Don't push object/shndx pair onto *secvec for dynamic objects. Don't follow relocations pointing to dynamic objects for GC. * icf.cc (Icf::find_identical_sections): Change Object* to Relobj*. (Icf::unfold_section): Likewise. (Icf::is_section_folded): Likewise. (Icf::get_folded_section): Likewise. * icf.h: (Icf::get_folded_section): Likewise. (Icf::unfold_section): Likewise. (Icf::is_section_folded): Likewise. (Icf::section_has_function_pointers): Likewise. (Icf::set_section_has_function_pointers): Likewise. * object.h (Section_id): Likewise. (Const_section_id): Likewise. * output.cc (Output_section::update_section_layout): Likewise. * output.h: (Output_section_lookup_maps::find_relaxed_input_section): Likewise. * plugin.cc (update_section_order): Likewise. (unique_segment_for_sections): Likewise. * powerpc.cc (Powerpc_relobj::add_reference): Likewise. (Target_powerpc::do_gc_add_reference): Likewise. (Target_powerpc::gc_process_relocs): Likewise. (Target_powerpc::do_gc_add_reference): Likewise. * symtab.cc (Symbol_table::is_section_folded): Likewise. (Symbol_table::gc_mark_symbol): Likewise. * symtab.h: (Symbol_table::is_section_folded): Likewise. * target.h: (Sized_target::gc_add_reference): Likewise. (Sized_target::do_gc_add_reference): Likewise.
* Add option --weak-unresolved-symbols to treat unresolved symbols as weak ref.Sriraman Tallam2015-04-231-2/+4
| | | | | | | | | This patch adds option --weak-unresolved-symbols to treat unresolved symbols as weak references. This is helpful when we want the link to succeed with unresolved symbols and the dynamic loader to not complain at run-time. Option --warn-unresolved-symbols lets the link succeed but could fail at run-time with unresolved symbol warnings especially when the unresolved symbols have GOT entries and dynamic relocations against them, like when -fPIE is used.
* Fix --dynamic-list so that symbols not in the list are still exported.Cary Coutant2015-02-161-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In PR 13577, the complaint was that -Bsymbolic was overriding the binding behavior for symbols listed in the --dynamic-list by setting the DT_SYMBOLIC tag in the dynamic table. In reading the Gnu ld manual, I decided that --dynamic-list should be mutually exclusive of -Bsymbolic, and modified gold so that --dynamic-list would treat symbols listed as preemptible, and all other symbols as internally bound. I was wrong. PR 16992 shows that with --dynamic-list (and not -Bsymbolic), a symbol not listed in the dynamic list is being internally bound within the shared library, but because it's still in the dynamic symbol table, we expose it to a COPY relocation, and things go really bad from there. (I can reproduce the same failure, simply by turning on -Bsymbolic-functions with the Gnu linker. Even though the symbol is bound internally, it's still exported to the dynamic symbol table, and is exposed to a COPY relocation.) I've backed out part of the fix for PR 13577, and -Bsymbolic (or -Bsymbolic-functions) can now be used with --dynamic-list, but if the two are used together, we do not set DT_SYMBOLIC or DF_SYMBOLIC (this matches Gnu ld behavior). We now treat symbols listed in the dynamic list as premptible, but we do not automatically treat symbols not listed there as non-premptible. gold/ PR gold/13577 PR gold/16992 * layout.cc (Layout::finish_dynamic_section): Don't set DT_SYMBOLIC or DF_SYMBOLIC if --dynamic-list option is used. * options.cc (General_options::finalize): --dynamic-list is not mutually exclusive with -Bsymbolic. * symtab.h (Symbol::is_preemptible): Don't exclude dynamic symbols not listed in --dynamic-list. * testsuite/Makefile.am (dynamic_list_lib2.so): Add -Bsymbolic-functions. * testsuite/Makefile.in: Regenerate.
* ChangeLog rotatation and copyright year updateAlan Modra2015-01-021-1/+1
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* Fix --defsym to copy symbol attributes.Cary Coutant2014-07-081-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* With -pie and x86, the linker complains if it sees a PC-relative relocationSriraman Tallam2014-05-131-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Fix handling of __ehdr_start when it cannot be defined.Cary Coutant2014-05-021-4/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Add function to set non-visibility part of st_other.Cary Coutant2014-03-101-0/+5
| | | | | | | 2014-03-10 Sasa Stankovic <Sasa.Stankovic@imgtec.com> gold/ * symtab.h (Symbol::set_nonvis): New function.
* Update copyright yearsAlan Modra2014-03-051-1/+1
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* Fix problems with the --dynamic-list option.Cary Coutant2014-02-051-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Remove powerpc.cc copy of use_plt_offsetAlan Modra2013-11-041-2/+6
| | | | | | | | | | | | | | | | | This adds an extra flag for needs_dynamic_reloc() in order to remove the copy of this function and use_plt_offset() in powerpc.cc, and tweaks the powerpc get_reference_flags() to return the flag as appropriate. ELFv2 does not want ELFv1 behaviour here. * symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI. (Symbol::needs_dynamic_reloc): Test new flag. * powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete. (Target_powerpc::Scan::get_reference_flags): Add target param. Return FUNC_DESC_ABI for 64-bit ELFv1. (Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags call. (Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc. (Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.
* gold/Cary Coutant2013-05-211-0/+5
| | | | | | | | | * 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.
* * symtab.h (Symbol::clear_version): New function.Alan Modra2013-03-201-0/+4
| | | | | | * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object is_needed by weak references. Clear version for symbols defined in as-needed objects that are not needed.
* * gold.cc (queue_middle_tasks): Move detect_odr_violations..Alan Modra2013-03-101-13/+19
| | | | | | | | | | | | | | | | | | | * layout.cc (Layout_task_runner::run): ..to here. * symtab.h (struct Symbol_location): Extract from.. (class Symbol_table): ..here. * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location. * target.h (class Target): Add function_location and do_function_location functions. (class Sized_target): Add do_function_location. * object.h (class Sized_relobj_file): Move find_shdr.. (class Object): ..to here. * object.cc: Likewise. Update to suit. Instantiate. (Sized_relobj_file::find_eh_frame): Update find_shdr call. * powerpc.cc (class Powerpc_dynobj): New. (Target_powerpc::do_function_location): New function. (Powerpc_relobj::do_find_special_sections): Update find_shdr call. (Powerpc_dynobj::do_read_symbols): New function. (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
* * powerpc.cc: Formatting and white space.Alan Modra2012-08-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | (Powerpc_relobj): Rename got2_section_ to special_. Add opd_ent_shndx_ and opd_ent_off_ vectors. (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent, scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions. (Target_powerpc): Add Address typedef and invalid_address. Use throughout. (Target_powerpc::is_branch_reloc): New function. (Powerpc_relocate_functions): Add Address typedef, use throughout. (Powerpc_relocate_functions:rela, rela_ua): Correct type used for dst_mask, value and addend. (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit. (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants. (Output_data_glink::do_write): Correct toc base. Don't try to use uint16_t for 24-bit offset. Use get_output_section_offset and check return. (Target_powerpc::Scan::local): Handle more relocs. (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK. (Target_powerpc::Relocate::relocate): Correct toc base calculation. Plug in toc restoring insn after plt calls. Translate branches to function descriptor symbols to corresponding entry point. (Target_powerpc::relocate_for_relocatable): Check return from get_output_section_offset. * symtab.h: Comment typo.
* 2011-10-31 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam2011-10-311-3/+2
| | | | | | | | | | | * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to gc_mark_symbol. * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to gc_mark_symbol. Change to just keep the section associated with symbol. (Symbol_table::add_from_relobj): Mark symbols as not garbage when they are externally visible and --export-dynamic is turned on. (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
* PR gold/13245Cary Coutant2011-10-181-1/+6
| | | | | | | | * plugin.cc (is_visible_from_outside): Check for symbols referenced from dynamic objects. * resolve.cc (Symbol_table::resolve): Don't count references from dynamic objects as references from real ELF files. * testsuite/plugin_test_2.sh: Adjust expected result.
* 2011-07-22 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam2011-07-221-2/+3
| | | | | | | * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced only after checking if it cannot be forced local. * symtab.h (is_externally_visible): Check if the symbol is not forced local.
* PR gold/12279Ian Lance Taylor2011-07-081-2/+3
| | | | | | | | | | | * resolve.cc (Symbol_table::should_override): Add fromtype parameter. Change all callers. Give error when linking together TLS and non-TLS symbol. (Symbol_table::should_override_with_special): Add fromtype parameter. Change all callers. * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if there is no TLS segment if we have reported some errors. * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
* * symtab.cc (Symbol::versioned_name): New function.Ian Lance Taylor2011-06-281-1/+5
| | | | | | | | | | | | | | (Symbol_table::add_to_final_symtab): Use versioned_name when appropriate. (Symbol_table::sized_write_symbol): Likewise. * symtab.h (class Symbol): Declare versioned_name. * stringpool.h (class Stringpool_template): Add variant of add which takes a std::basic_string. * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12. (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables. (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables. (ver_test_12.o): New target. * testsuite/Makefile.in: Rebuild.
* * common.cc (Symbol_table::do_allocate_commons_list): For incrementalCary Coutant2011-06-081-6/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | update, allocate common from bss section's free list. * incremental-dump.cc (dump_incremental_inputs): Print flag for linker-defined symbols. * incremental.cc (Sized_incremental_binary::do_process_got_plt): Skip GOT and PLT entries that are no longer referenced. (Output_section_incremental_inputs::write_info_blocks): Mark linker-defined symbols. (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols. * output.cc (Output_section::allocate): New function. * output.h (Output_section::allocate): New function. * resolve.cc (Symbol_table::report_resolve_problem): Add case for linker-defined symbols. (Symbol::override_base_with_special): Copy is_predefined_ flag. * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag. (Symbol::init_base_output_data): Likewise. (Symbol::init_base_output_segment): Likewise. (Symbol::init_base_constant): Likewise. (Sized_symbol::init_output_data): Likewise. (Sized_symbol::init_output_segment): Likewise. (Sized_symbol::init_constant): Likewise. (Symbol_table::do_define_in_output_data): Likewise. (Symbol_table::do_define_in_output_segment): Likewise. (Symbol_table::do_define_as_constant): Likewise. * symtab.h (Symbol::is_predefined): New function. (Symbol::init_base_output_data): Add is_predefined parameter. (Symbol::init_base_output_segment): Likewise. (Symbol::init_base_constant): Likewise. (Symbol::is_predefined_): New data member. (Sized_symbol::init_output_data): Add is_predefined parameter. (Sized_symbol::init_output_segment): Likewise. (Sized_symbol::init_constant): Likewise. (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
* * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_relocCary Coutant2011-06-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | instead of emit_copy_reloc. (Copy_relocs::emit_copy_reloc): Refactor. (Copy_relocs::make_copy_reloc): New function. (Copy_relocs::add_copy_reloc): Remove. * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public section. (Copy_relocs::make_copy_reloc): New function. (Copy_relocs::add_copy_reloc): Remove. * gold.cc (queue_middle_tasks): Emit old COPY relocations from unchanged input files. * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag. * incremental.cc (Sized_incremental_binary::do_reserve_layout): Reserve BSS space for COPY relocations. (Sized_incremental_binary::do_emit_copy_relocs): New function. (Output_section_incremental_inputs::write_info_blocks): Record whether a symbol is copied from a shared object. (Sized_incr_dynobj::do_add_symbols): Record COPY relocations. * incremental.h (enum Incremental_shlib_symbol_flags): New type. (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant. (Incremental_input_entry_reader::get_output_symbol_index): Add is_copy parameter. (Incremental_binary::emit_copy_relocs): New function. (Incremental_binary::do_emit_copy_relocs): New function. (Sized_incremental_binary::Sized_incremental_binary): Initialize new data member. (Sized_incremental_binary::add_copy_reloc): New function. (Sized_incremental_binary::do_emit_copy_relocs): New function. (Sized_incremental_binary::Copy_reloc): New struct. (Sized_incremental_binary::Copy_relocs): New typedef. (Sized_incremental_binary::copy_relocs_): New data member. * symtab.cc (Symbol_table::add_from_incrobj): Change return type. * symtab.h (Symbol_table::add_from_incrobj): Change return type. * target.h (Sized_target::emit_copy_reloc): New function. * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
* * incremental-dump.cc (dump_incremental_inputs): Print dynamic relocCary Coutant2011-05-241-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | info; adjust display of GOT entries. * incremental.cc (Sized_incremental_binary::setup_readers): Allocate vector of input objects; remove file_status_. (Sized_incremental_binary::do_reserve_layout): Remove file_status_. (Sized_incremental_binary::do_process_got_plt): Adjust calls to got_plt reader; call target hooks to reserve GOT entries. (Output_section_incremental_inputs::set_final_data_size): Adjust size of input file info header and GOT info entry. (Output_section_incremental_inputs::write_info_blocks): Write dynamic relocation info. (Got_plt_view_info::got_descriptor): Remove. (Got_plt_view_info::sym_index): New data member. (Got_plt_view_info::input_index): New data member. (Local_got_offset_visitor::visit): Write input file index. (Global_got_offset_visitor::visit): Write 0 for input file index. (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor with sym_index and input_index. (Output_section_incremental_inputs::write_got_plt): Adjust size of incremental info GOT entry; replace got_descriptor with input_index. (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record map from input file index to object. (Sized_relobj_incr::do_layout): Replace direct data member reference with accessor function. (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class. * incremental.h (Incremental_input_entry_reader::get_symbol_offset): Adjust size of input file info header. (Incremental_input_entry_reader::get_first_dyn_reloc): New function. (Incremental_input_entry_reader::get_dyn_reloc_count): New function. (Incremental_input_entry_reader::get_input_section): Adjust size of input file info header. (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size of incremental info GOT entry. (Incremental_got_plt_reader::get_got_desc): Remove. (Incremental_got_plt_reader::get_got_symndx): New function. (Incremental_got_plt_reader::get_got_input_index): New function. (Sized_incremental_binary::Sized_incremental_binary): Remove file_status_; add input_objects_. (Sized_incremental_binary::~Sized_incremental_binary): Remove. (Sized_incremental_binary::set_file_is_unchanged): Remove. (Sized_incremental_binary::file_is_unchanged): Remove. (Sized_incremental_binary::set_input_object): New function. (Sized_incremental_binary::input_object): New function. (Sized_incremental_binary::file_status_): Remove. (Sized_incremental_binary::input_objects_): New data member. (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all references. (Sized_relobj_incr::invalid_address): Move to base class. (Sized_relobj_incr::is_output_section_offset_invalid): Move to base class. (Sized_relobj_incr::do_output_section_offset): Likewise. (Sized_relobj_incr::do_for_all_local_got_entries): Likewise. (Sized_relobj_incr::section_offsets_): Likewise. * object.cc (Sized_relobj::do_for_all_local_got_entries): New function. (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_. (Sized_relobj_file::layout_section): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::do_layout): Likewise. (Sized_relobj_file::do_layout_deferred_sections): Likewise. (Sized_relobj_file::do_for_all_local_got_entries): Move to base class. (Sized_relobj_file::compute_final_local_value): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::do_finalize_local_symbols): Likewise. * object.h (Relobj::Relobj): Initialize new data members. (Relobj::add_dyn_reloc): New function. (Relobj::first_dyn_reloc): New function. (Relobj::dyn_reloc_count): New function. (Relobj::first_dyn_reloc_): New data member. (Relobj::dyn_reloc_count_): New data member. (Sized_relobj): Rename Sized_relobj_base to this; adjust all references. (Sized_relobj::Address): New typedef. (Sized_relobj::invalid_address): Move here from child class. (Sized_relobj::Sized_relobj): Initialize new data members. (Sized_relobj::sized_relobj): New function. (Sized_relobj::is_output_section_offset_invalid): Move here from child class. (Sized_relobj::get_output_section_offset): Likewise. (Sized_relobj::local_has_got_offset): Likewise. (Sized_relobj::local_got_offset): Likewise. (Sized_relobj::set_local_got_offset): Likewise. (Sized_relobj::do_for_all_local_got_entries): Likewise. (Sized_relobj::clear_got_offsets): New function. (Sized_relobj::section_offsets): Move here from child class. (Sized_relobj::do_output_section_offset): Likewise. (Sized_relobj::do_set_section_offset): Likewise. (Sized_relobj::Local_got_offsets): Likewise. (Sized_relobj::local_got_offsets_): Likewise. (Sized_relobj::section_offsets_): Likewise. (Sized_relobj_file): Rename Sized_relobj to this; adjust all references. (Sized_relobj_file::is_output_section_offset_invalid): Move to base class. (Sized_relobj_file::sized_relobj): New function (Sized_relobj_file::local_has_got_offset): Move to base class. (Sized_relobj_file::local_got_offset): Likewise. (Sized_relobj_file::set_local_got_offset): Likewise. (Sized_relobj_file::get_output_section_offset): Likewise. (Sized_relobj_file::do_for_all_local_got_entries): Likewise. (Sized_relobj_file::do_output_section_offset): Likewise. (Sized_relobj_file::do_set_section_offset): Likewise. (Sized_relobj_file::Local_got_offsets): Likewise. (Sized_relobj_file::local_got_offsets_): Likewise. (Sized_relobj_file::section_offsets_): Likewise. * output.cc (Output_reloc::Output_reloc): Adjust type of relobj (all constructors). (set_needs_dynsym_index): Convert relobj to derived class pointer. (Output_reloc::get_symbol_index): Likewise. (Output_reloc::local_section_offset): Likewise. (Output_reloc::get_address): Likewise. (Output_reloc::symbol_value): Likewise. (Output_data_got::reserve_slot): Move to class definition. (Output_data_got::reserve_local): New function. (Output_data_got::reserve_slot_for_global): Remove. (Output_data_got::reserve_global): New function. * output.h (Output_reloc::Output_reloc): Adjust type of relobj (all constructors, two instantiations). (Output_reloc::get_relobj): New function (two instantiations). (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type. (Output_data_reloc_base::add): Convert relobj to derived class pointer. (Output_data_reloc::add_global): Adjust type of relobj. (Output_data_reloc::add_global_relative): Likewise. (Output_data_reloc::add_symbolless_global_addend): Likewise. (Output_data_reloc::add_local): Likewise. (Output_data_reloc::add_local_relative): Likewise. (Output_data_reloc::add_symbolless_local_addend): Likewise. (Output_data_reloc::add_local_section): Likewise. (Output_data_reloc::add_output_section): Likewise. (Output_data_reloc::add_absolute): Likewise. (Output_data_reloc::add_target_specific): Likewise. (Output_data_got::reserve_slot): Move definition here. (Output_data_got::reserve_local): New function. (Output_data_got::reserve_global): New function. * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::write_sections): Likewise. (Sized_relobj_file::do_relocate_sections): Likewise. * target.h (Sized_target::reserve_local_got_entry): New function. (Sized_target::reserve_global_got_entry): New function. * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function. (Target_x86_64::reserve_global_got_entry): New function. (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
* * archive.cc (Archive::include_member): Adjust call toCary Coutant2011-04-121-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | report_object. (Add_archive_symbols::run): Track argument serial numbers. (Lib_group::include_member): Likewise. (Add_lib_group_symbols::run): Adjust call to report_archive_begin. * archive.h (Incremental_archive_entry::Archive_member): Initialize arg_serial_. (Archive_member::arg_serial_): New data member. * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL. (Sized_dynobj::do_add_symbols): Track symbols when doing an incremental link. (Sized_dynobj::do_for_all_local_got_entries): New function. * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New function. * fileread.cc (get_mtime): New function. * fileread.h (get_mtime): New function. * gold.cc (queue_initial_tasks): Check for incremental update. (process_incremental_input): New function. (queue_middle_tasks): Don't force valid target for incremental update. * incremental-dump.cc (find_input_containing_global): Adjust size of symbol info entry. (dump_incremental_inputs): Dump argument serial number and in_system_directory flag; bias shndx by 1; print symbol names when dumping per-file symbol lists; use new symbol info readers. * incremental.cc (Output_section_incremental_inputs:update_data_size): New function. (Sized_incremental_binary::setup_readers): Setup input readers for each input file; build maps for files added from libraries and scripts. (Sized_incremental_binary::check_input_args): New function. (Sized_incremental_binary::do_check_inputs): Build map of argument serial numbers to input arguments. (Sized_incremental_binary::do_file_has_changed): Rename do_file_is_unchanged to this; compare file modification times. (Sized_incremental_binary::do_init_layout): New function. (Sized_incremental_binary::do_reserve_layout): New function. (Sized_incremental_binary::do_get_input_reader): Remove. (Sized_incremental_binary::get_symtab_view): New function. (Incremental_checker::can_incrementally_link_output_file): Remove. (Incremental_inputs::report_command_line): Exclude --debug options. (Incremental_inputs::report_archive_begin): Add parameter; track argument serial numbers; don't put input file entry for archive before archive members. (Incremental_inputs::report_archive_end): Put input file entry for archive after archive members. (Incremental_inputs::report_object): Add parameter; track argument serial numbers and in_system_directory flag. (Incremental_inputs::report_script): Add parameter; track argument serial numbers. (Output_section_incremental_inputs::set_final_data_size): Adjust size of symbol info entry; check for forwarding symbols. (Output_section_incremental_inputs::write_input_files): Write in_system_directory flag and argument serial number. (Output_section_incremental_inputs::write_info_blocks): Map section indices between incremental info and original input file; store input section index for each symbol. (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor; change operator() to visit(). (class Global_got_offset_visitor): Likewise. (class Global_symbol_visitor_got_plt): (Output_section_incremental_inputs::write_got_plt): Use new visitor classes. (Sized_incr_relobj::Sized_incr_relobj): New constructor. (Sized_incr_relobj::do_read_symbols): New function. (Sized_incr_relobj::do_layout): New function. (Sized_incr_relobj::do_layout_deferred_sections): New function. (Sized_incr_relobj::do_add_symbols): New function. (Sized_incr_relobj::do_should_include_member): New function. (Sized_incr_relobj::do_for_all_global_symbols): New function. (Sized_incr_relobj::do_for_all_local_got_entries): New function. (Sized_incr_relobj::do_section_size): New function. (Sized_incr_relobj::do_section_name): New function. (Sized_incr_relobj::do_section_contents): New function. (Sized_incr_relobj::do_section_flags): New function. (Sized_incr_relobj::do_section_entsize): New function. (Sized_incr_relobj::do_section_address): New function. (Sized_incr_relobj::do_section_type): New function. (Sized_incr_relobj::do_section_link): New function. (Sized_incr_relobj::do_section_info): New function. (Sized_incr_relobj::do_section_addralign): New function. (Sized_incr_relobj::do_initialize_xindex): New function. (Sized_incr_relobj::do_get_global_symbol_counts): New function. (Sized_incr_relobj::do_read_relocs): New function. (Sized_incr_relobj::do_gc_process_relocs): New function. (Sized_incr_relobj::do_scan_relocs): New function. (Sized_incr_relobj::do_count_local_symbols): New function. (Sized_incr_relobj::do_finalize_local_symbols): New function. (Sized_incr_relobj::do_set_local_dynsym_indexes): New function. (Sized_incr_relobj::do_set_local_dynsym_offset): New function. (Sized_incr_relobj::do_relocate): New function. (Sized_incr_relobj::do_set_section_offset): New function. (Sized_incr_dynobj::Sized_incr_dynobj): New function. (Sized_incr_dynobj::do_read_symbols): New function. (Sized_incr_dynobj::do_layout): New function. (Sized_incr_dynobj::do_add_symbols): New function. (Sized_incr_dynobj::do_should_include_member): New function. (Sized_incr_dynobj::do_for_all_global_symbols): New function. (Sized_incr_dynobj::do_for_all_local_got_entries): New function. (Sized_incr_dynobj::do_section_size): New function. (Sized_incr_dynobj::do_section_name): New function. (Sized_incr_dynobj::do_section_contents): New function. (Sized_incr_dynobj::do_section_flags): New function. (Sized_incr_dynobj::do_section_entsize): New function. (Sized_incr_dynobj::do_section_address): New function. (Sized_incr_dynobj::do_section_type): New function. (Sized_incr_dynobj::do_section_link): New function. (Sized_incr_dynobj::do_section_info): New function. (Sized_incr_dynobj::do_section_addralign): New function. (Sized_incr_dynobj::do_initialize_xindex): New function. (Sized_incr_dynobj::do_get_global_symbol_counts): New function. (make_sized_incremental_object): New function. (Incremental_library::copy_unused_symbols): New function. (Incremental_library::do_for_all_unused_symbols): New function. * incremental.h (enum Incremental_input_flags): New type. (class Incremental_checker): Remove. (Incremental_input_entry::Incremental_input_entry): Add argument serial number. (Incremental_input_entry::arg_serial): New function. (Incremental_input_entry::set_is_in_system_directory): New function. (Incremental_input_entry::is_in_system_directory): New function. (Incremental_input_entry::arg_serial_): New data member. (Incremental_input_entry::is_in_system_directory_): New data member. (class Script_info): Move here from script.h. (Script_info::Script_info): Add filename parameter. (Script_info::filename): New function. (Script_info::filename_): New data member. (Incremental_script_entry::Incremental_script_entry): Add argument serial number. (Incremental_object_entry::Incremental_object_entry): Likewise. (Incremental_object_entry::add_input_section): Build list of input sections with map to original shndx. (Incremental_object_entry::get_input_section_index): New function. (Incremental_object_entry::shndx_): New data member. (Incremental_object_entry::name_key_): Rename; adjust all refs. (Incremental_object_entry::sh_size_): Rename; adjust all refs. (Incremental_archive_entry::Incremental_archive_entry): Add argument serial number. (Incremental_inputs::report_archive_begin): Likewise. (Incremental_inputs::report_object): Likewise. (Incremental_inputs::report_script): Likewise. (class Incremental_global_symbol_reader): New class. (Incremental_input_entry_reader::Incremental_input_entry_reader): Read and store flags and input file type. (Incremental_input_entry_reader::arg_serial): New function. (Incremental_input_entry_reader::type): Extract type from flags. (Incremental_input_entry_reader::is_in_system_directory): New function. (Incremental_input_entry_reader::get_input_section_count): Call accessor function for type. (Incremental_input_entry_reader::get_symbol_offset): Call accessor function for type; adjust size of global symbol entry. (Incremental_input_entry_reader::get_global_symbol_count): Call accessor function for type. (Incremental_input_entry_reader::get_object_count): Likewise. (Incremental_input_entry_reader::get_object_offset): Likewise. (Incremental_input_entry_reader::get_member_count): Likewise. (Incremental_input_entry_reader::get_unused_symbol_count): Likewise. (Incremental_input_entry_reader::get_member_offset): Likewise. (Incremental_input_entry_reader::get_unused_symbol): Likewise. (Incremental_input_entry_reader::Global_symbol_info): Remove. (Incremental_input_entry_reader::get_global_symbol_info): Remove. (Incremental_input_entry_reader::get_global_symbol_reader): New function. (Incremental_input_entry_reader::get_output_symbol_index): New function. (Incremental_input_entry_reader::type_): Remove. (Incremental_input_entry_reader::flags_): New data member. (Incremental_inputs_reader::input_file_offset): New function. (Incremental_inputs_reader::input_file_index): New function. (Incremental_inputs_reader::input_file): Call input_file_offset. (Incremental_inputs_reader::input_file_at_offset): New function. (Incremental_relocs_reader::get_r_type): Reformat. (Incremental_relocs_reader::get_r_shndx): Reformat. (Incremental_relocs_reader::get_r_offset): Reformat. (Incremental_relocs_reader::data): New function. (Incremental_binary::Incremental_binary): Initialize new data members. (Incremental_binary::check_inputs): Add cmdline parameter. (Incremental_binary::file_is_unchanged): Remove. (Input_reader::arg_serial): New function. (Input_reader::get_unused_symbol_count): New function. (Input_reader::get_unused_symbol): New function. (Input_reader::do_arg_serial): New function. (Input_reader::do_get_unused_symbol_count): New function. (Input_reader::do_get_unused_symbol): New function. (Incremental_binary::input_file_count): New function. (Incremental_binary::get_input_reader): Change signature to use index instead of filename. (Incremental_binary::file_has_changed): New function. (Incremental_binary::get_input_argument): New function. (Incremental_binary::get_library): New function. (Incremental_binary::get_script_info): New function. (Incremental_binary::init_layout): New function. (Incremental_binary::reserve_layout): New function. (Incremental_binary::output_file): New function. (Incremental_binary::do_check_inputs): New function. (Incremental_binary::do_file_is_unchanged): Remove. (Incremental_binary::do_file_has_changed): New function. (Incremental_binary::do_init_layout): New function. (Incremental_binary::do_reserve_layout): New function. (Incremental_binary::do_input_file_count): New function. (Incremental_binary::do_get_input_reader): Change signature. (Incremental_binary::input_args_map_): New data member. (Incremental_binary::library_map_): New data member. (Incremental_binary::script_map_): New data member. (Sized_incremental_binary::Sized_incremental_binary): Initialize new data members. (Sized_incremental_binary::output_section): New function. (Sized_incremental_binary::inputs_reader): Add const. (Sized_incremental_binary::symtab_reader): Add const. (Sized_incremental_binary::relocs_reader): Add const. (Sized_incremental_binary::got_plt_reader): Add const. (Sized_incremental_binary::get_symtab_view): New function. (Sized_incremental_binary::Inputs_reader): New typedef. (Sized_incremental_binary::Input_entry_reader): New typedef. (Sized_incremental_binary::do_check_inputs): Add cmdline parameter. (Sized_incremental_binary::do_file_is_unchanged): Remove. (Sized_incremental_binary::do_file_has_changed): New function. (Sized_incremental_binary::do_init_layout): New function. (Sized_incremental_binary::do_reserve_layout): New function. (Sized_input_reader::Inputs_reader): Remove. (Sized_input_reader::Input_entry_reader): Remove. (Sized_input_reader::do_arg_serial): New function. (Sized_input_reader::do_get_unused_symbol_count): New function. (Sized_input_reader::do_get_unused_symbol): New function. (Sized_incremental_binary::do_input_file_count): New function. (Sized_incremental_binary::do_get_input_reader): Change signature; use index instead of filename. (Sized_incremental_binary::section_map_): New data member. (Sized_incremental_binary::input_entry_readers_): New data member. (class Sized_incr_relobj): New class. (class Sized_incr_dynobj): New class. (make_sized_incremental_object): New function. (class Incremental_library): New class. * layout.cc (Free_list::num_lists): New static data member. (Free_list::num_nodes): New static data member. (Free_list::num_removes): New static data member. (Free_list::num_remove_visits): New static data member. (Free_list::num_allocates): New static data member. (Free_list::num_allocate_visits): New static data member. (Free_list::init): New function. (Free_list::remove): New function. (Free_list::allocate): New function. (Free_list::dump): New function. (Free_list::print_stats): New function. (Layout_task_runner::run): Resize output file for incremental updates. (Layout::Layout): Initialize new data members. (Layout::set_incremental_base): New function. (Layout::init_fixed_output_section): New function. (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for incremental updates. (Layout::create_gold_note): Do not create gold note section for incremental updates. (Layout::set_segment_offsets): Do not recalculate RELRO alignment for incremental updates. (Layout::set_section_offsets): For incremental updates, allocate space from free list. (Layout::create_symtab_sections): Layout with offsets relative to start of section; for incremental updates, allocate space from free list. (Layout::create_shdrs): For incremental updates, allocate space from free list. (Layout::finish_dynamic_section): For incremental updates, do not check --as-needed (fixed in subsequent patch). * layout.h (class Free_list): New class. (Layout::set_incremental_base): New function. (Layout::incremental_base): New function. (Layout::init_fixed_output_section): New function. (Layout::allocate): New function. (Layout::incremental_base_): New data member. (Layout::free_list_): New data member. * main.cc (main): Print Free_list statistics. * object.cc (Relobj::finalize_incremental_relocs): Add clear_counts parameter; clear counts only when clear_counts is set. (Sized_relobj::Sized_relobj): Initialize new base class. (Sized_relobj::do_layout): Don't report special sections. (Sized_relobj::do_for_all_local_got_entries): New function. (Sized_relobj::write_local_symbols): Add symtab_off parameter; add symtab_off to all symbol table offsets. (Sized_relobj::do_get_global_symbol_counts): Add typename keyword. * object.h (class Got_offset_list): Move to top of file. (Object::Object): Allow case where input_file == NULL. (Object::~Object): Likewise. (Object::input_file): Assert that input_file != NULL. (Object::lock): Allow case where input_file == NULL. (Object::unlock): Likewise. (Object::is_locked): Likewise. (Object::token): Likewise. (Object::release): Likewise. (Object::is_incremental): New function. (Object::get_mtime): New function. (Object::for_all_local_got_entries): New function. (Object::clear_view_cache_marks): Allow case where input_file == NULL. (Object::set_is_in_system_directory): New function. (Object::is_in_system_directory): New function. (Object::do_is_incremental): New function. (Object::do_get_mtime): New function. (Object::do_for_all_local_got_entries): New function. (Object::is_in_system_directory_): New data member. (Relobj::finalize_incremental_relocs): Add clear_counts parameter. (class Sized_relobj_base): New class. (class Sized_relobj): Derive from Sized_relobj_base. (class Sized_relobj::Symbols): Redeclare from base class. (class Sized_relobj::local_got_offset_list): Remove. (class Sized_relobj::Output_sections): Redeclare from base class. (class Sized_relobj::do_for_all_local_got_entries): New function. (class Sized_relobj::write_local_symbols): Add offset parameter. (class Sized_relobj::local_symbol_offset_): Update comment. (class Sized_relobj::local_dynsym_offset_): Update comment. * options.cc (Input_arguments::add_file): Remove const. * options.h (Input_file_argument::Input_file_argument): Initialize arg_serial_ (all constructors). (Input_file_argument::set_arg_serial): New function. (Input_file_argument::arg_serial): New function. (Input_file_argument::arg_serial_): New data member. (Input_arguments::Input_arguments): Initialize file_count_. (Input_arguments::add_file): Remove const. (Input_arguments::number_of_input_files): New function. (Input_arguments::file_count_): New data member. (Command_line::number_of_input_files): Call Input_arguments::number_of_input_files. * output.cc (Output_segment_headers::Output_segment_headers): Set current size. (Output_section::Input_section::current_data_size): New function. (Output_section::Output_section): Initialize new data members. (Output_section::add_input_section): Don't do merge sections for an incremental link; allocate space from free list for an incremental update. (Output_section::add_output_section_data): Allocate space from free list for an incremental update. (Output_section::update_data_size): New function. (Output_section::set_fixed_layout): New function. (Output_section::reserve): New function. (Output_segment::set_section_addresses): Remove const. (Output_segment::set_section_list_addresses): Remove const; allocate space from free list for an incremental update. (Output_segment::set_offset): Adjust size of RELRO segment for an incremental update. * output.h (Output_data::current_data_size): Move here from child classes. (Output_data::pre_finalize_data_size): New function. (Output_data::update_data_size): New function. (Output_section_headers::update_data_size): new function. (Output_section_data_build::current_data_size): Move to Output_data. (Output_data_strtab::update_data_size): New function. (Output_section::current_data_size): Move to Output_data. (Output_section::set_fixed_layout): New function. (Output_section::has_fixed_layout): New function. (Output_section::reserve): New function. (Output_section::update_data_size): New function. (Output_section::has_fixed_layout_): New data member. (Output_section::free_list_): New data member. (Output_segment::set_section_addresses): Remove const. (Output_segment::set_section_list_addresses): Remove const. * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries): New function. * plugin.h (Sized_pluginobj::do_for_all_local_got_entries): New function. * readsyms.cc (Read_symbols::do_read_symbols): Add library parameter when calling Add_symbols constructor; store argument serial number for members of a lib group. (Add_symbols::locks): Allow case where token == NULL. (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib. (Read_member::~Read_member): New function. (Read_member::is_runnable): New function. (Read_member::locks): New function. (Read_member::run): New function. (Check_script::~Check_script): New function. (Check_script::is_runnable): New function. (Check_script::locks): New function. (Check_script::run): New function. (Check_library::~Check_library): New function. (Check_library::is_runnable): New function. (Check_library::locks): New function. (Check_library::run): New function. * readsyms.h (Add_symbols::Add_symbols): Add library parameter. (Add_symbols::library_): New data member. (class Read_member): New class. (class Check_script): New class. (class Check_library): New class. * reloc.cc (Read_relocs::is_runnable): Allow case where token == NULL. (Read_relocs::locks): Likewise. (Scan_relocs::locks): Likewise. (Relocate_task::locks): Likewise. (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs to clear counters. (Sized_relobj::incremental_relocs_scan): Fix comment. (Sized_relobj::do_relocate): Pass output file offset to write_local_symbols. (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size from class declaration. * script.cc (read_input_script): Allocate Script_info; pass argument serial number to report_script. * script.h (class Script_info): Move to incremental.h. * symtab.cc (Symbol_table::add_from_incrobj): New function. * symtab.h (Symbol_table::add_from_incrobj): New function. (Symbol_table::set_file_offset): New function.
* * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,Ian Lance Taylor2011-03-101-27/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | but mark earlier ones as non-canonical (offset_to_iterator): Update search target and example (do_addr2line): Return extra lines in a vector* (format_file_lineno): Extract from do_addr2line (one_addr2line): Add vector* out-param * dwarf_reader.h (Offset_to_lineno_entry): New field recording when a lineno entry appeared last for its instruction (Dwarf_line_info): Add vector* out-param * object.cc (Relocate_info): Pass NULL for the vector* out-param * symtab.cc (Odr_violation_compare): Include the lineno in the comparison again. (linenos_from_loc): New. Combine the canonical line for an address with its other lines. (True_if_intersect): New. Helper functor to make std::set_intersection a query. (detect_odr_violations): Compare sets of lines instead of just one line for each function. This became less deterministic, but has fewer false positives. * symtab.h: Declarations. * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to mix an optimized and non-optimized object in the same binary (odr_violation2.so): Same. * testsuite/Makefile.in: Regenerate from Makefile.am. * testsuite/debug_msg.cc (main): Make OdrDerived classes. * testsuite/debug_msg.sh: Update line numbers and add assertions. * testsuite/odr_violation1.cc: Use OdrDerived, in a non-optimized context. * testsuite/odr_violation2.cc: Make sure Ordering::operator() isn't inlined, and use OdrDerived in an optimized context. * testsuite/odr_header1.h: Defines OdrDerived, where optimization will change the first-instruction-in-the-destructor's file and line number. * testsuite/odr_header2.h: Defines OdrBase.
* Fix typos in gold.Ralf Wildenhues2010-12-141-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | gold/: * dwarf_reader.cc: Remove outdated comment. * gold-threads.cc: Fix typo in error message. * archive.cc: Fix typos in comments. * archive.h: Likewise. * arm-reloc-property.cc: Likewise. * arm-reloc-property.h: Likewise. * arm-reloc.def: Likewise. * arm.cc: Likewise. * attributes.h: Likewise. * cref.cc: Likewise. * ehframe.cc: Likewise. * fileread.h: Likewise. * gold.h: Likewise. * i386.cc: Likewise. * icf.cc: Likewise. * incremental.h: Likewise. * int_encoding.cc: Likewise. * layout.h: Likewise. * main.cc: Likewise. * merge.h: Likewise. * object.cc: Likewise. * object.h: Likewise. * options.cc: Likewise. * readsyms.cc: Likewise. * reduced_debug_output.cc: Likewise. * reloc.cc: Likewise. * script-sections.cc: Likewise. * sparc.cc: Likewise. * symtab.h: Likewise. * target-reloc.h: Likewise. * target.cc: Likewise. * target.h: Likewise. * timer.cc: Likewise. * timer.h: Likewise. * x86_64.cc: Likewise.
* gold/Richard Sandiford2010-11-111-24/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
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