71 Configuration *elf::Config;  member in elf
93   Config = make<Configuration>();  in link()
101   Config->ProgName = Args[0];  in link()
192   if (Config->FormatBinary) {  in addFile()
227     if (Config->Static || Config->Relocatable) {  in addFile()
281   if (Config->EMachine == EM_MIPS && Config->GnuHash)  in checkOptions()
284   if (Config->FixCortexA53Errata843419 && Config->EMachine != EM_AARCH64)  in checkOptions()
287   if (Config->TocOptimize && Config->EMachine != EM_PPC64)  in checkOptions()
290   if (Config->Pie && Config->Shared)  in checkOptions()
293   if (!Config->Shared && !Config->FilterList.empty())  in checkOptions()
296   if (!Config->Shared && !Config->AuxiliaryList.empty())  in checkOptions()
299   if (!Config->Relocatable && !Config->DefineCommon)  in checkOptions()
302   if (Config->Relocatable) {  in checkOptions()
303     if (Config->Shared)  in checkOptions()
305     if (Config->GcSections)  in checkOptions()
307     if (Config->GdbIndex)  in checkOptions()
309     if (Config->ICF != ICFLevel::None)  in checkOptions()
311     if (Config->Pie)  in checkOptions()
315   if (Config->ExecuteOnly) {  in checkOptions()
316     if (Config->EMachine != EM_AARCH64)  in checkOptions()
319     if (Config->SingleRoRx && !Script->HasSectionsCommand)  in checkOptions()
435   switch (Config->EKind) {  in main()
489   if (Config->Shared)  in getUnresolvedSymbolPolicy()
660       if (Config->WarnSymbolOrdering)  in readCallGraph()
683         Config->CallGraphProfile[std::make_pair(From, To)] += Count;  in readCallGraph()
700         Config->CallGraphProfile[{From, To}] += CGPE.cgp_weight;  in readCallGraphsFromObjectFiles()
733     if (!Names.insert(S) && Config->WarnSymbolOrdering)  in getSymbolOrderingFile()
743   const char *Argv[] = {Config->ProgName.data(), Opt.data()};  in parseClangOption()
757   Config->AllowMultipleDefinition =  in readConfigs()
761   Config->AllowShlibUndefined =  in readConfigs()
764   Config->AuxiliaryList = args::getStrings(Args, OPT_auxiliary);  in readConfigs()
765   Config->Bsymbolic = Args.hasArg(OPT_Bsymbolic);  in readConfigs()
766   Config->BsymbolicFunctions = Args.hasArg(OPT_Bsymbolic_functions);  in readConfigs()
767   Config->CheckSections =  in readConfigs()
769   Config->Chroot = Args.getLastArgValue(OPT_chroot);  in readConfigs()
770   Config->CompressDebugSections = getCompressDebugSections(Args);  in readConfigs()
771   Config->Cref = Args.hasFlag(OPT_cref, OPT_no_cref, false);  in readConfigs()
772   Config->DefineCommon = Args.hasFlag(OPT_define_common, OPT_no_define_common,  in readConfigs()
774   Config->Demangle = Args.hasFlag(OPT_demangle, OPT_no_demangle, true);  in readConfigs()
775   Config->DisableVerify = Args.hasArg(OPT_disable_verify);  in readConfigs()
776   Config->Discard = getDiscard(Args);  in readConfigs()
777   Config->DwoDir = Args.getLastArgValue(OPT_plugin_opt_dwo_dir_eq);  in readConfigs()
778   Config->DynamicLinker = getDynamicLinker(Args);  in readConfigs()
779   Config->EhFrameHdr =  in readConfigs()
781   Config->EmitLLVM = Args.hasArg(OPT_plugin_opt_emit_llvm, false);  in readConfigs()
782   Config->EmitRelocs = Args.hasArg(OPT_emit_relocs);  in readConfigs()
783   Config->CallGraphProfileSort = Args.hasFlag(  in readConfigs()
785   Config->EnableNewDtags =  in readConfigs()
787   Config->Entry = Args.getLastArgValue(OPT_entry);  in readConfigs()
788   Config->ExecuteOnly =  in readConfigs()
790   Config->ExportDynamic =  in readConfigs()
792   Config->FilterList = args::getStrings(Args, OPT_filter);  in readConfigs()
793   Config->Fini = Args.getLastArgValue(OPT_fini, "_fini");  in readConfigs()
794   Config->FixCortexA53Errata843419 = Args.hasArg(OPT_fix_cortex_a53_843419);  in readConfigs()
795   Config->GcSections = Args.hasFlag(OPT_gc_sections, OPT_no_gc_sections, false);  in readConfigs()
796   Config->GnuUnique = Args.hasFlag(OPT_gnu_unique, OPT_no_gnu_unique, true);  in readConfigs()
797   Config->GdbIndex = Args.hasFlag(OPT_gdb_index, OPT_no_gdb_index, false);  in readConfigs()
798   Config->ICF = getICF(Args);  in readConfigs()
799   Config->IgnoreDataAddressEquality =  in readConfigs()
801   Config->IgnoreFunctionAddressEquality =  in readConfigs()
803   Config->Init = Args.getLastArgValue(OPT_init, "_init");  in readConfigs()
804   Config->LTOAAPipeline = Args.getLastArgValue(OPT_lto_aa_pipeline);  in readConfigs()
805   Config->LTODebugPassManager = Args.hasArg(OPT_lto_debug_pass_manager);  in readConfigs()
806   Config->LTONewPassManager = Args.hasArg(OPT_lto_new_pass_manager);  in readConfigs()
807   Config->LTONewPmPasses = Args.getLastArgValue(OPT_lto_newpm_passes);  in readConfigs()
808   Config->LTOO = args::getInteger(Args, OPT_lto_O, 2);  in readConfigs()
809   Config->LTOObjPath = Args.getLastArgValue(OPT_plugin_opt_obj_path_eq);  in readConfigs()
810   Config->LTOPartitions = args::getInteger(Args, OPT_lto_partitions, 1);  in readConfigs()
811   Config->LTOSampleProfile = Args.getLastArgValue(OPT_lto_sample_profile);  in readConfigs()
812   Config->MapFile = Args.getLastArgValue(OPT_Map);  in readConfigs()
813   Config->MipsGotSize = args::getInteger(Args, OPT_mips_got_size, 0xfff0);  in readConfigs()
814   Config->MergeArmExidx =  in readConfigs()
816   Config->NoinhibitExec = Args.hasArg(OPT_noinhibit_exec);  in readConfigs()
817   Config->Nostdlib = Args.hasArg(OPT_nostdlib);  in readConfigs()
818   Config->OFormatBinary = isOutputFormatBinary(Args);  in readConfigs()
819   Config->Omagic = Args.hasFlag(OPT_omagic, OPT_no_omagic, false);  in readConfigs()
820   Config->OptRemarksFilename = Args.getLastArgValue(OPT_opt_remarks_filename);  in readConfigs()
821   Config->OptRemarksWithHotness = Args.hasArg(OPT_opt_remarks_with_hotness);  in readConfigs()
822   Config->Optimize = args::getInteger(Args, OPT_O, 1);  in readConfigs()
823   Config->OrphanHandling = getOrphanHandling(Args);  in readConfigs()
824   Config->OutputFile = Args.getLastArgValue(OPT_o);  in readConfigs()
825   Config->Pie = Args.hasFlag(OPT_pie, OPT_no_pie, false);  in readConfigs()
826   Config->PrintIcfSections =  in readConfigs()
828   Config->PrintGcSections =  in readConfigs()
830   Config->Rpath = getRpath(Args);  in readConfigs()
831   Config->Relocatable = Args.hasArg(OPT_relocatable);  in readConfigs()
832   Config->SaveTemps = Args.hasArg(OPT_save_temps);  in readConfigs()
833   Config->SearchPaths = args::getStrings(Args, OPT_library_path);  in readConfigs()
834   Config->SectionStartMap = getSectionStartMap(Args);  in readConfigs()
835   Config->Shared = Args.hasArg(OPT_shared);  in readConfigs()
836   Config->SingleRoRx = Args.hasArg(OPT_no_rosegment);  in readConfigs()
837   Config->SoName = Args.getLastArgValue(OPT_soname);  in readConfigs()
838   Config->SortSection = getSortSection(Args);  in readConfigs()
839   Config->SplitStackAdjustSize = args::getInteger(Args, OPT_split_stack_adjust_size, 16384);  in readConfigs()
840   Config->Strip = getStrip(Args);  in readConfigs()
841   Config->Sysroot = Args.getLastArgValue(OPT_sysroot);  in readConfigs()
842   Config->Target1Rel = Args.hasFlag(OPT_target1_rel, OPT_target1_abs, false);  in readConfigs()
843   Config->Target2 = getTarget2(Args);  in readConfigs()
844   Config->ThinLTOCacheDir = Args.getLastArgValue(OPT_thinlto_cache_dir);  in readConfigs()
845   Config->ThinLTOCachePolicy = CHECK(  in readConfigs()
848   Config->ThinLTOEmitImportsFiles =  in readConfigs()
850   Config->ThinLTOIndexOnly = Args.hasArg(OPT_plugin_opt_thinlto_index_only) ||  in readConfigs()
852   Config->ThinLTOIndexOnlyArg =  in readConfigs()
854   Config->ThinLTOJobs = args::getInteger(Args, OPT_thinlto_jobs, -1u);  in readConfigs()
855   Config->ThinLTOObjectSuffixReplace =  in readConfigs()
857   Config->ThinLTOPrefixReplace =  in readConfigs()
859   Config->Trace = Args.hasArg(OPT_trace);  in readConfigs()
860   Config->Undefined = args::getStrings(Args, OPT_undefined);  in readConfigs()
861   Config->UndefinedVersion =  in readConfigs()
863   Config->UseAndroidRelrTags = Args.hasFlag(  in readConfigs()
865   Config->UnresolvedSymbols = getUnresolvedSymbolPolicy(Args);  in readConfigs()
866   Config->WarnBackrefs =  in readConfigs()
868   Config->WarnCommon = Args.hasFlag(OPT_warn_common, OPT_no_warn_common, false);  in readConfigs()
869   Config->WarnIfuncTextrel =  in readConfigs()
871   Config->WarnSymbolOrdering =  in readConfigs()
873   Config->ZCombreloc = getZFlag(Args, "combreloc", "nocombreloc", true);  in readConfigs()
874   Config->ZCopyreloc = getZFlag(Args, "copyreloc", "nocopyreloc", true);  in readConfigs()
875   Config->ZExecstack = getZFlag(Args, "execstack", "noexecstack", false);  in readConfigs()
876   Config->ZGlobal = hasZOption(Args, "global");  in readConfigs()
877   Config->ZHazardplt = hasZOption(Args, "hazardplt");  in readConfigs()
878   Config->ZIfuncnoplt = hasZOption(Args, "ifunc-noplt");  in readConfigs()
879   Config->ZInitfirst = hasZOption(Args, "initfirst");  in readConfigs()
880   Config->ZInterpose = hasZOption(Args, "interpose");  in readConfigs()
881   Config->ZKeepTextSectionPrefix = getZFlag(  in readConfigs()
883   Config->ZNodefaultlib = hasZOption(Args, "nodefaultlib");  in readConfigs()
884   Config->ZNodelete = hasZOption(Args, "nodelete");  in readConfigs()
885   Config->ZNodlopen = hasZOption(Args, "nodlopen");  in readConfigs()
886   Config->ZNow = getZFlag(Args, "now", "lazy", false);  in readConfigs()
887   Config->ZOrigin = hasZOption(Args, "origin");  in readConfigs()
888   Config->ZRelro = getZFlag(Args, "relro", "norelro", true);  in readConfigs()
889   Config->ZRetpolineplt = hasZOption(Args, "retpolineplt");  in readConfigs()
890   Config->ZRodynamic = hasZOption(Args, "rodynamic");  in readConfigs()
891   Config->ZStackSize = args::getZOptionValue(Args, OPT_z, "stack-size", 0);  in readConfigs()
892   Config->ZText = getZFlag(Args, "text", "notext", true);  in readConfigs()
893   Config->ZWxneeded = hasZOption(Args, "wxneeded");  in readConfigs()
907   if (Config->LTOO > 3)  in readConfigs()
908     error("invalid optimization level for LTO: " + Twine(Config->LTOO));  in readConfigs()
909   if (Config->LTOPartitions == 0)  in readConfigs()
911   if (Config->ThinLTOJobs == 0)  in readConfigs()
914   if (Config->SplitStackAdjustSize < 0)  in readConfigs()
920     std::tie(Config->EKind, Config->EMachine, Config->OSABI) =  in readConfigs()
922     Config->MipsN32Abi = (S == "elf32btsmipn32" || S == "elf32ltsmipn32");  in readConfigs()
923     Config->Emulation = S;  in readConfigs()
930       Config->SysvHash = true;  in readConfigs()
932       Config->GnuHash = true;  in readConfigs()
934       Config->SysvHash = Config->GnuHash = true;  in readConfigs()
940     Config->MapFile = "-";  in readConfigs()
946   if (Config->Omagic)  in readConfigs()
947     Config->ZRelro = false;  in readConfigs()
949   std::tie(Config->BuildId, Config->BuildIdVector) = getBuildId(Args);  in readConfigs()
951   std::tie(Config->AndroidPackDynRelocs, Config->RelrPackDynRelocs) =  in readConfigs()
956       Config->SymbolOrderingFile = getSymbolOrderingFile(*Buffer);  in readConfigs()
961     Config->DefaultSymbolVersion = VER_NDX_LOCAL;  in readConfigs()
964         Config->VersionScriptGlobals.push_back(  in readConfigs()
980       Config->DynamicList.push_back(  in readConfigs()
989     Config->Undefined.push_back(Arg->getValue());  in readConfigs()
1005   ELFKind K = Config->EKind;  in setConfigs()
1006   uint16_t M = Config->EMachine;  in setConfigs()
1008   Config->CopyRelocs = (Config->Relocatable || Config->EmitRelocs);  in setConfigs()
1009   Config->Is64 = (K == ELF64LEKind || K == ELF64BEKind);  in setConfigs()
1010   Config->IsLE = (K == ELF32LEKind || K == ELF64LEKind);  in setConfigs()
1011   Config->Endianness = Config->IsLE ? endianness::little : endianness::big;  in setConfigs()
1012   Config->IsMips64EL = (K == ELF64LEKind && M == EM_MIPS);  in setConfigs()
1013   Config->Pic = Config->Pie || Config->Shared;  in setConfigs()
1014   Config->PicThunk = Args.hasArg(OPT_pic_veneer, Config->Pic);  in setConfigs()
1015   Config->Wordsize = Config->Is64 ? 8 : 4;  in setConfigs()
1030   Config->IsRela = M == EM_AARCH64 || M == EM_AMDGPU || M == EM_HEXAGON ||  in setConfigs()
1039   Config->WriteAddends = Args.hasFlag(OPT_apply_dynamic_relocs,  in setConfigs()
1041                          !Config->IsRela;  in setConfigs()
1043   Config->TocOptimize =  in setConfigs()
1090       Config->AsNeeded = true;  in createFiles()
1093       Config->FormatBinary = isFormatBinary(Arg->getValue());  in createFiles()
1096       Config->AsNeeded = false;  in createFiles()
1099       Config->Static = true;  in createFiles()
1102       Config->Static = false;  in createFiles()
1143       Stack.emplace_back(Config->AsNeeded, Config->Static, InWholeArchive);  in createFiles()
1150       std::tie(Config->AsNeeded, Config->Static, InWholeArchive) = Stack.back();  in createFiles()
1162   if (Config->EKind != ELFNoneKind)  in inferMachineType()
1168     Config->EKind = F->EKind;  in inferMachineType()
1169     Config->EMachine = F->EMachine;  in inferMachineType()
1170     Config->OSABI = F->OSABI;  in inferMachineType()
1171     Config->MipsN32Abi = Config->EMachine == EM_MIPS && isMipsN32Abi(F);  in inferMachineType()
1201   if ((V % Config->MaxPageSize) != 0)  in getImageBase()
1303       if (Config->ICF == ICFLevel::Safe || !(D->Section->Flags & SHF_EXECINSTR))  in markAddrsig()
1324   if (Config->ICF == ICFLevel::All && Config->IgnoreDataAddressEquality)  in findKeepUniqueSections()
1452   Config->MaxPageSize = getMaxPageSize(Args);  in link()
1453   Config->ImageBase = getImageBase(Args);  in link()
1458     if (Config->EMachine == EM_MIPS)  in link()
1459       Config->SysvHash = true;  in link()
1461       Config->SysvHash = Config->GnuHash = true;  in link()
1465   if (Config->OutputFile.empty())  in link()
1466     Config->OutputFile = "a.out";  in link()
1471   if (auto E = tryCreateFile(Config->OutputFile))  in link()
1472     error("cannot open output file " + Config->OutputFile + ": " + E.message());  in link()
1473   if (auto E = tryCreateFile(Config->MapFile))  in link()
1474     error("cannot open map file " + Config->MapFile + ": " + E.message());  in link()
1481   Config->WarnMissingEntry =  in link()
1482       (!Config->Entry.empty() || (!Config->Shared && !Config->Relocatable));  in link()
1483   if (Config->Entry.empty() && !Config->Relocatable)  in link()
1484     Config->Entry = (Config->EMachine == EM_MIPS) ? "__start" : "_start";  in link()
1501   Config->HasDynSymTab =  in link()
1502       !SharedFiles.empty() || Config->Pic || Config->ExportDynamic;  in link()
1510   for (StringRef S : Config->Undefined)  in link()
1514   handleUndefined<ELFT>(Config->Entry);  in link()
1563   if (!Config->Relocatable)  in link()
1571   if (!Config->Relocatable)  in link()
1586   if (Config->ThinLTOIndexOnly)  in link()
1592   if (Config->EmitLLVM)  in link()
1612   if (Config->Strip != StripPolicy::None)  in link()
1617   Config->EFlags = Target->calcEFlags();  in link()
1619   if (Config->EMachine == EM_ARM) {  in link()
1623     if (Config->ARMHasBlx == false)  in link()
1630   if (!Config->Relocatable)  in link()
1639   if (Config->ICF != ICFLevel::None) {  in link()
1645   if (Config->CallGraphProfileSort) {  in link()