| //===--- ToolChains.cpp - Job invocations (general and per-platform) ------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ToolChains.h" |
| |
| #include "swift/Basic/Dwarf.h" |
| #include "swift/Basic/LLVM.h" |
| #include "swift/Basic/Platform.h" |
| #include "swift/Basic/Range.h" |
| #include "swift/Basic/TaskQueue.h" |
| #include "swift/Driver/Compilation.h" |
| #include "swift/Driver/Driver.h" |
| #include "swift/Driver/Job.h" |
| #include "swift/Frontend/Frontend.h" |
| #include "swift/Option/Options.h" |
| #include "swift/Config.h" |
| #include "clang/Basic/Version.h" |
| #include "clang/Driver/Util.h" |
| #include "llvm/ADT/StringSwitch.h" |
| #include "llvm/Option/Arg.h" |
| #include "llvm/Option/ArgList.h" |
| #include "llvm/ProfileData/InstrProf.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/Path.h" |
| #include "llvm/Support/Process.h" |
| #include "llvm/Support/Program.h" |
| |
| using namespace swift; |
| using namespace swift::driver; |
| using namespace llvm::opt; |
| |
| bool ToolChain::JobContext::shouldUseInputFileList() const { |
| return getTopLevelInputFiles().size() > C.getFilelistThreshold(); |
| } |
| |
| bool ToolChain::JobContext::shouldUsePrimaryInputFileListInFrontendInvocation() |
| const { |
| return InputActions.size() > C.getFilelistThreshold(); |
| } |
| |
| bool ToolChain::JobContext::shouldUseMainOutputFileListInFrontendInvocation() |
| const { |
| return Output.getPrimaryOutputFilenames().size() > C.getFilelistThreshold(); |
| } |
| |
| bool ToolChain::JobContext:: |
| shouldUseSupplementaryOutputFileMapInFrontendInvocation() const { |
| static const unsigned UpperBoundOnSupplementaryOutputFileTypes = |
| file_types::TY_INVALID; |
| return InputActions.size() * UpperBoundOnSupplementaryOutputFileTypes > |
| C.getFilelistThreshold(); |
| } |
| |
| bool ToolChain::JobContext::shouldFilterFrontendInputsByType() const { |
| // FIXME: SingleCompile has not filtered its inputs in the past and now people |
| // rely upon that. But we would like the compilation modes to be consistent. |
| return OI.CompilerMode != OutputInfo::Mode::SingleCompile; |
| } |
| |
| static void addInputsOfType(ArgStringList &Arguments, |
| ArrayRef<const Action *> Inputs, |
| file_types::ID InputType, |
| const char *PrefixArgument = nullptr) { |
| for (auto &Input : Inputs) { |
| if (Input->getType() != InputType) |
| continue; |
| if (PrefixArgument) |
| Arguments.push_back(PrefixArgument); |
| Arguments.push_back(cast<InputAction>(Input)->getInputArg().getValue()); |
| } |
| } |
| |
| static void addInputsOfType(ArgStringList &Arguments, |
| ArrayRef<const Job *> Jobs, |
| const llvm::opt::ArgList &Args, |
| file_types::ID InputType, |
| const char *PrefixArgument = nullptr) { |
| for (const Job *Cmd : Jobs) { |
| auto output = Cmd->getOutput().getAnyOutputForType(InputType); |
| if (!output.empty()) { |
| if (PrefixArgument) |
| Arguments.push_back(PrefixArgument); |
| Arguments.push_back(Args.MakeArgString(output)); |
| } |
| } |
| } |
| |
| static void addPrimaryInputsOfType(ArgStringList &Arguments, |
| ArrayRef<const Job *> Jobs, |
| const llvm::opt::ArgList &Args, |
| file_types::ID InputType, |
| const char *PrefixArgument = nullptr) { |
| for (const Job *Cmd : Jobs) { |
| auto &outputInfo = Cmd->getOutput(); |
| if (outputInfo.getPrimaryOutputType() == InputType) { |
| for (auto Output : outputInfo.getPrimaryOutputFilenames()) { |
| if (PrefixArgument) |
| Arguments.push_back(PrefixArgument); |
| Arguments.push_back(Args.MakeArgString(Output)); |
| } |
| } |
| } |
| } |
| |
| static bool addOutputsOfType(ArgStringList &Arguments, |
| CommandOutput const &Output, |
| const llvm::opt::ArgList &Args, |
| file_types::ID OutputType, |
| const char *PrefixArgument = nullptr) { |
| bool Added = false; |
| for (auto Output : Output.getAdditionalOutputsForType(OutputType)) { |
| assert(!Output.empty()); |
| if (PrefixArgument) |
| Arguments.push_back(PrefixArgument); |
| Arguments.push_back(Args.MakeArgString(Output)); |
| Added = true; |
| } |
| return Added; |
| } |
| |
| /// Handle arguments common to all invocations of the frontend (compilation, |
| /// module-merging, LLDB's REPL, etc). |
| static void addCommonFrontendArgs(const ToolChain &TC, |
| const OutputInfo &OI, |
| const CommandOutput &output, |
| const ArgList &inputArgs, |
| ArgStringList &arguments) { |
| const llvm::Triple &Triple = TC.getTriple(); |
| |
| // Only pass -target to the REPL or immediate modes if it was explicitly |
| // specified on the command line. |
| switch (OI.CompilerMode) { |
| case OutputInfo::Mode::REPL: |
| case OutputInfo::Mode::Immediate: |
| if (!inputArgs.hasArg(options::OPT_target)) |
| break; |
| LLVM_FALLTHROUGH; |
| case OutputInfo::Mode::StandardCompile: |
| case OutputInfo::Mode::SingleCompile: |
| case OutputInfo::Mode::BatchModeCompile: |
| arguments.push_back("-target"); |
| arguments.push_back(inputArgs.MakeArgString(Triple.str())); |
| break; |
| } |
| |
| // Enable address top-byte ignored in the ARM64 backend. |
| if (Triple.getArch() == llvm::Triple::aarch64) { |
| arguments.push_back("-Xllvm"); |
| arguments.push_back("-aarch64-use-tbi"); |
| } |
| |
| // Enable or disable ObjC interop appropriately for the platform |
| if (Triple.isOSDarwin()) { |
| arguments.push_back("-enable-objc-interop"); |
| } else { |
| arguments.push_back("-disable-objc-interop"); |
| } |
| |
| // Handle the CPU and its preferences. |
| inputArgs.AddLastArg(arguments, options::OPT_target_cpu); |
| |
| if (!OI.SDKPath.empty()) { |
| arguments.push_back("-sdk"); |
| arguments.push_back(inputArgs.MakeArgString(OI.SDKPath)); |
| } |
| |
| inputArgs.AddAllArgs(arguments, options::OPT_I); |
| inputArgs.AddAllArgs(arguments, options::OPT_F, options::OPT_Fsystem); |
| |
| inputArgs.AddLastArg(arguments, options::OPT_AssertConfig); |
| inputArgs.AddLastArg(arguments, options::OPT_autolink_force_load); |
| inputArgs.AddLastArg(arguments, options::OPT_color_diagnostics); |
| inputArgs.AddLastArg(arguments, options::OPT_fixit_all); |
| inputArgs.AddLastArg(arguments, |
| options::OPT_warn_swift3_objc_inference_minimal, |
| options::OPT_warn_swift3_objc_inference_complete); |
| inputArgs.AddLastArg(arguments, options::OPT_typo_correction_limit); |
| inputArgs.AddLastArg(arguments, options::OPT_enable_app_extension); |
| inputArgs.AddLastArg(arguments, options::OPT_enable_testing); |
| inputArgs.AddLastArg(arguments, options::OPT_g_Group); |
| inputArgs.AddLastArg(arguments, options::OPT_import_underlying_module); |
| inputArgs.AddLastArg(arguments, options::OPT_module_cache_path); |
| inputArgs.AddLastArg(arguments, options::OPT_module_link_name); |
| inputArgs.AddLastArg(arguments, options::OPT_nostdimport); |
| inputArgs.AddLastArg(arguments, options::OPT_parse_stdlib); |
| inputArgs.AddLastArg(arguments, options::OPT_resource_dir); |
| inputArgs.AddLastArg(arguments, options::OPT_solver_memory_threshold); |
| inputArgs.AddLastArg(arguments, options::OPT_value_recursion_threshold); |
| inputArgs.AddLastArg(arguments, options::OPT_warn_swift3_objc_inference); |
| inputArgs.AddLastArg(arguments, options::OPT_Rpass_EQ); |
| inputArgs.AddLastArg(arguments, options::OPT_Rpass_missed_EQ); |
| inputArgs.AddLastArg(arguments, options::OPT_suppress_warnings); |
| inputArgs.AddLastArg(arguments, options::OPT_profile_generate); |
| inputArgs.AddLastArg(arguments, options::OPT_profile_use); |
| inputArgs.AddLastArg(arguments, options::OPT_profile_coverage_mapping); |
| inputArgs.AddLastArg(arguments, options::OPT_warnings_as_errors); |
| inputArgs.AddLastArg(arguments, options::OPT_sanitize_EQ); |
| inputArgs.AddLastArg(arguments, options::OPT_sanitize_coverage_EQ); |
| inputArgs.AddLastArg(arguments, options::OPT_swift_version); |
| inputArgs.AddLastArg(arguments, options::OPT_enforce_exclusivity_EQ); |
| inputArgs.AddLastArg(arguments, options::OPT_stats_output_dir); |
| inputArgs.AddLastArg(arguments, options::OPT_trace_stats_events); |
| inputArgs.AddLastArg(arguments, options::OPT_profile_stats_events); |
| inputArgs.AddLastArg(arguments, options::OPT_profile_stats_entities); |
| inputArgs.AddLastArg(arguments, |
| options::OPT_solver_shrink_unsolved_threshold); |
| inputArgs.AddLastArg(arguments, options::OPT_O_Group); |
| inputArgs.AddLastArg(arguments, options::OPT_RemoveRuntimeAsserts); |
| inputArgs.AddLastArg(arguments, options::OPT_AssumeSingleThreaded); |
| |
| // Pass on any build config options |
| inputArgs.AddAllArgs(arguments, options::OPT_D); |
| |
| // Pass through the values passed to -Xfrontend. |
| inputArgs.AddAllArgValues(arguments, options::OPT_Xfrontend); |
| |
| if (auto *A = inputArgs.getLastArg(options::OPT_working_directory)) { |
| // Add -Xcc -working-directory before any other -Xcc options to ensure it is |
| // overridden by an explicit -Xcc -working-directory, although having a |
| // different working directory is probably incorrect. |
| SmallString<128> workingDirectory(A->getValue()); |
| llvm::sys::fs::make_absolute(workingDirectory); |
| arguments.push_back("-Xcc"); |
| arguments.push_back("-working-directory"); |
| arguments.push_back("-Xcc"); |
| arguments.push_back(inputArgs.MakeArgString(workingDirectory)); |
| } |
| |
| // Pass through any subsystem flags. |
| inputArgs.AddAllArgs(arguments, options::OPT_Xllvm); |
| inputArgs.AddAllArgs(arguments, options::OPT_Xcc); |
| |
| if (llvm::sys::Process::StandardErrHasColors()) |
| arguments.push_back("-color-diagnostics"); |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const CompileJobAction &job, |
| const JobContext &context) const { |
| InvocationInfo II{SWIFT_EXECUTABLE_NAME}; |
| ArgStringList &Arguments = II.Arguments; |
| II.allowsResponseFiles = true; |
| |
| Arguments.push_back("-frontend"); |
| |
| { |
| // Determine the frontend mode option. |
| const char *FrontendModeOption = context.computeFrontendModeForCompile(); |
| assert(FrontendModeOption != nullptr && |
| "No frontend mode option specified!"); |
| Arguments.push_back(FrontendModeOption); |
| } |
| |
| context.addFrontendInputAndOutputArguments(Arguments, II.FilelistInfos); |
| |
| // Forward migrator flags. |
| if (auto DataPath = context.Args.getLastArg(options:: |
| OPT_api_diff_data_file)) { |
| Arguments.push_back("-api-diff-data-file"); |
| Arguments.push_back(DataPath->getValue()); |
| } |
| if (auto DataDir = context.Args.getLastArg(options::OPT_api_diff_data_dir)) { |
| Arguments.push_back("-api-diff-data-dir"); |
| Arguments.push_back(DataDir->getValue()); |
| } |
| if (context.Args.hasArg(options::OPT_dump_usr)) { |
| Arguments.push_back("-dump-usr"); |
| } |
| |
| if (context.Args.hasArg(options::OPT_parse_stdlib)) |
| Arguments.push_back("-disable-objc-attr-requires-foundation-module"); |
| |
| addCommonFrontendArgs(*this, context.OI, context.Output, context.Args, |
| Arguments); |
| |
| // Pass along an -import-objc-header arg, replacing the argument with the name |
| // of any input PCH to the current action if one is present. |
| if (context.Args.hasArgNoClaim(options::OPT_import_objc_header)) { |
| bool ForwardAsIs = true; |
| bool bridgingPCHIsEnabled = |
| context.Args.hasFlag(options::OPT_enable_bridging_pch, |
| options::OPT_disable_bridging_pch, |
| true); |
| bool usePersistentPCH = bridgingPCHIsEnabled && |
| context.Args.hasArg(options::OPT_pch_output_dir); |
| if (!usePersistentPCH) { |
| for (auto *IJ : context.Inputs) { |
| if (!IJ->getOutput().getAnyOutputForType(file_types::TY_PCH).empty()) { |
| Arguments.push_back("-import-objc-header"); |
| addInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_PCH); |
| ForwardAsIs = false; |
| break; |
| } |
| } |
| } |
| if (ForwardAsIs) { |
| context.Args.AddLastArg(Arguments, options::OPT_import_objc_header); |
| } |
| if (usePersistentPCH) { |
| context.Args.AddLastArg(Arguments, options::OPT_pch_output_dir); |
| if (context.OI.CompilerMode == OutputInfo::Mode::StandardCompile) { |
| // In the 'multiple invocations for each file' mode we don't need to |
| // validate the PCH every time, it has been validated with the initial |
| // -emit-pch invocation. |
| Arguments.push_back("-pch-disable-validation"); |
| } |
| } |
| } |
| |
| if (context.Args.hasArg(options::OPT_parse_as_library) || |
| context.Args.hasArg(options::OPT_emit_library)) |
| Arguments.push_back("-parse-as-library"); |
| |
| context.Args.AddLastArg(Arguments, options::OPT_parse_sil); |
| |
| Arguments.push_back("-module-name"); |
| Arguments.push_back(context.Args.MakeArgString(context.OI.ModuleName)); |
| |
| addOutputsOfType(Arguments, context.Output, context.Args, |
| file_types::TY_OptRecord, "-save-optimization-record-path"); |
| |
| if (context.Args.hasArg(options::OPT_migrate_keep_objc_visibility)) { |
| Arguments.push_back("-migrate-keep-objc-visibility"); |
| } |
| |
| addOutputsOfType(Arguments, context.Output, context.Args, |
| file_types::TY_Remapping, "-emit-remap-file-path"); |
| |
| if (context.OI.numThreads > 0) { |
| Arguments.push_back("-num-threads"); |
| Arguments.push_back( |
| context.Args.MakeArgString(Twine(context.OI.numThreads))); |
| } |
| |
| // Add the output file argument if necessary. |
| if (context.Output.getPrimaryOutputType() != file_types::TY_Nothing) { |
| if (context.shouldUseMainOutputFileListInFrontendInvocation()) { |
| Arguments.push_back("-output-filelist"); |
| Arguments.push_back(context.getTemporaryFilePath("outputs", "")); |
| II.FilelistInfos.push_back({Arguments.back(), |
| context.Output.getPrimaryOutputType(), |
| FilelistInfo::WhichFiles::Output}); |
| } else { |
| for (auto FileName : context.Output.getPrimaryOutputFilenames()) { |
| Arguments.push_back("-o"); |
| Arguments.push_back(context.Args.MakeArgString(FileName)); |
| } |
| } |
| } |
| |
| if (context.Args.hasArg(options::OPT_embed_bitcode_marker)) |
| Arguments.push_back("-embed-bitcode-marker"); |
| |
| if (context.Args.hasArg(options::OPT_index_store_path)) { |
| context.Args.AddLastArg(Arguments, options::OPT_index_store_path); |
| if (!context.Args.hasArg(options::OPT_index_ignore_system_modules)) |
| Arguments.push_back("-index-system-modules"); |
| } |
| |
| return II; |
| } |
| |
| const char *ToolChain::JobContext::computeFrontendModeForCompile() const { |
| switch (OI.CompilerMode) { |
| case OutputInfo::Mode::StandardCompile: |
| case OutputInfo::Mode::SingleCompile: |
| case OutputInfo::Mode::BatchModeCompile: |
| break; |
| case OutputInfo::Mode::Immediate: |
| case OutputInfo::Mode::REPL: |
| llvm_unreachable("REPL and immediate modes handled elsewhere"); |
| } |
| switch (Output.getPrimaryOutputType()) { |
| case file_types::TY_Object: |
| return "-c"; |
| case file_types::TY_PCH: |
| return "-emit-pch"; |
| case file_types::TY_RawSIL: |
| return "-emit-silgen"; |
| case file_types::TY_SIL: |
| return "-emit-sil"; |
| case file_types::TY_RawSIB: |
| return "-emit-sibgen"; |
| case file_types::TY_SIB: |
| return "-emit-sib"; |
| case file_types::TY_LLVM_IR: |
| return "-emit-ir"; |
| case file_types::TY_LLVM_BC: |
| return "-emit-bc"; |
| case file_types::TY_Assembly: |
| return "-S"; |
| case file_types::TY_SwiftModuleFile: |
| // Since this is our primary output, we need to specify the option here. |
| return "-emit-module"; |
| case file_types::TY_ImportedModules: |
| return "-emit-imported-modules"; |
| case file_types::TY_IndexData: |
| return "-typecheck"; |
| case file_types::TY_Remapping: |
| return "-update-code"; |
| case file_types::TY_Nothing: |
| // We were told to output nothing, so get the last mode option and use that. |
| if (const Arg *A = Args.getLastArg(options::OPT_modes_Group)) |
| return A->getSpelling().data(); |
| else |
| llvm_unreachable("We were told to perform a standard compile, " |
| "but no mode option was passed to the driver."); |
| case file_types::TY_Swift: |
| case file_types::TY_dSYM: |
| case file_types::TY_AutolinkFile: |
| case file_types::TY_Dependencies: |
| case file_types::TY_SwiftModuleDocFile: |
| case file_types::TY_ClangModuleFile: |
| case file_types::TY_SerializedDiagnostics: |
| case file_types::TY_ObjCHeader: |
| case file_types::TY_Image: |
| case file_types::TY_SwiftDeps: |
| case file_types::TY_ModuleTrace: |
| case file_types::TY_TBD: |
| case file_types::TY_OptRecord: |
| llvm_unreachable("Output type can never be primary output."); |
| case file_types::TY_INVALID: |
| llvm_unreachable("Invalid type ID"); |
| } |
| } |
| |
| void ToolChain::JobContext::addFrontendInputAndOutputArguments( |
| ArgStringList &Arguments, std::vector<FilelistInfo> &FilelistInfos) const { |
| |
| switch (OI.CompilerMode) { |
| case OutputInfo::Mode::StandardCompile: |
| assert(InputActions.size() == 1 && |
| "Standard-compile mode takes exactly one input (the primary file)"); |
| break; |
| case OutputInfo::Mode::BatchModeCompile: |
| case OutputInfo::Mode::SingleCompile: |
| break; |
| case OutputInfo::Mode::Immediate: |
| case OutputInfo::Mode::REPL: |
| llvm_unreachable("REPL and immediate modes handled elsewhere"); |
| } |
| |
| const bool UseFileList = shouldUseInputFileList(); |
| const bool MayHavePrimaryInputs = OI.mightHaveExplicitPrimaryInputs(Output); |
| const bool UsePrimaryFileList = |
| MayHavePrimaryInputs && |
| shouldUsePrimaryInputFileListInFrontendInvocation(); |
| const bool FilterInputsByType = shouldFilterFrontendInputsByType(); |
| const bool UseSupplementaryOutputFileList = |
| shouldUseSupplementaryOutputFileMapInFrontendInvocation(); |
| |
| assert((C.getFilelistThreshold() != Compilation::NEVER_USE_FILELIST || |
| !UseFileList && !UsePrimaryFileList && |
| !UseSupplementaryOutputFileList) && |
| "No filelists are used if FilelistThreshold=NEVER_USE_FILELIST"); |
| |
| if (UseFileList) { |
| Arguments.push_back("-filelist"); |
| Arguments.push_back(getAllSourcesPath()); |
| } |
| if (UsePrimaryFileList) { |
| Arguments.push_back("-primary-filelist"); |
| Arguments.push_back(getTemporaryFilePath("primaryInputs", "")); |
| FilelistInfos.push_back({Arguments.back(), file_types::TY_Swift, |
| FilelistInfo::WhichFiles::PrimaryInputs}); |
| } |
| if (!UseFileList || !UsePrimaryFileList) { |
| addFrontendCommandLineInputArguments(MayHavePrimaryInputs, UseFileList, |
| UsePrimaryFileList, FilterInputsByType, |
| Arguments); |
| } |
| |
| if (UseSupplementaryOutputFileList) { |
| Arguments.push_back("-supplementary-output-file-map"); |
| Arguments.push_back(getTemporaryFilePath("supplementaryOutputs", "")); |
| FilelistInfos.push_back({Arguments.back(), file_types::TY_INVALID, |
| FilelistInfo::WhichFiles::SupplementaryOutput}); |
| } else { |
| addFrontendSupplementaryOutputArguments(Arguments); |
| } |
| } |
| |
| void ToolChain::JobContext::addFrontendCommandLineInputArguments( |
| const bool mayHavePrimaryInputs, const bool useFileList, |
| const bool usePrimaryFileList, const bool filterByType, |
| ArgStringList &arguments) const { |
| llvm::StringSet<> primaries; |
| |
| if (mayHavePrimaryInputs) { |
| for (const Action *A : InputActions) { |
| const auto *IA = cast<InputAction>(A); |
| const llvm::opt::Arg &InArg = IA->getInputArg(); |
| primaries.insert(InArg.getValue()); |
| } |
| } |
| // -index-file compilations are weird. They are processed as SingleCompiles |
| // (WMO), but must indicate that there is one primary file, designated by |
| // -index-file-path. |
| if (Arg *A = Args.getLastArg(options::OPT_index_file_path)) { |
| assert(primaries.empty() && |
| "index file jobs should be treated as single (WMO) compiles"); |
| primaries.insert(A->getValue()); |
| } |
| for (auto inputPair : getTopLevelInputFiles()) { |
| if (filterByType && !file_types::isPartOfSwiftCompilation(inputPair.first)) |
| continue; |
| const char *inputName = inputPair.second->getValue(); |
| const bool isPrimary = primaries.count(inputName); |
| if (isPrimary && !usePrimaryFileList) { |
| arguments.push_back("-primary-file"); |
| arguments.push_back(inputName); |
| } |
| if ((!isPrimary || usePrimaryFileList) && !useFileList) |
| arguments.push_back(inputName); |
| } |
| } |
| |
| void ToolChain::JobContext::addFrontendSupplementaryOutputArguments( |
| ArgStringList &arguments) const { |
| // FIXME: Get these and other argument strings from the same place for both |
| // driver and frontend. |
| addOutputsOfType(arguments, Output, Args, file_types::ID::TY_SwiftModuleFile, |
| "-emit-module-path"); |
| |
| addOutputsOfType(arguments, Output, Args, file_types::TY_SwiftModuleDocFile, |
| "-emit-module-doc-path"); |
| |
| addOutputsOfType(arguments, Output, Args, |
| file_types::TY_SerializedDiagnostics, |
| "-serialize-diagnostics-path"); |
| |
| if (addOutputsOfType(arguments, Output, Args, file_types::ID::TY_ObjCHeader, |
| "-emit-objc-header-path")) { |
| assert(OI.CompilerMode == OutputInfo::Mode::SingleCompile && |
| "The Swift tool should only emit an Obj-C header in single compile" |
| "mode!"); |
| } |
| |
| addOutputsOfType(arguments, Output, Args, file_types::TY_Dependencies, |
| "-emit-dependencies-path"); |
| addOutputsOfType(arguments, Output, Args, file_types::TY_SwiftDeps, |
| "-emit-reference-dependencies-path"); |
| addOutputsOfType(arguments, Output, Args, file_types::TY_ModuleTrace, |
| "-emit-loaded-module-trace-path"); |
| addOutputsOfType(arguments, Output, Args, file_types::TY_TBD, |
| "-emit-tbd-path"); |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const InterpretJobAction &job, |
| const JobContext &context) const { |
| assert(context.OI.CompilerMode == OutputInfo::Mode::Immediate); |
| ArgStringList Arguments; |
| |
| Arguments.push_back("-frontend"); |
| Arguments.push_back("-interpret"); |
| |
| assert(context.Inputs.empty() && |
| "The Swift frontend does not expect to be fed any input Jobs!"); |
| |
| for (const Action *A : context.InputActions) { |
| cast<InputAction>(A)->getInputArg().render(context.Args, Arguments); |
| } |
| |
| if (context.Args.hasArg(options::OPT_parse_stdlib)) |
| Arguments.push_back("-disable-objc-attr-requires-foundation-module"); |
| |
| addCommonFrontendArgs(*this, context.OI, context.Output, context.Args, |
| Arguments); |
| context.Args.AddLastArg(Arguments, options::OPT_import_objc_header); |
| |
| context.Args.AddLastArg(Arguments, options::OPT_parse_sil); |
| |
| Arguments.push_back("-module-name"); |
| Arguments.push_back(context.Args.MakeArgString(context.OI.ModuleName)); |
| |
| context.Args.AddAllArgs(Arguments, options::OPT_l, options::OPT_framework); |
| |
| // The immediate arguments must be last. |
| context.Args.AddLastArg(Arguments, options::OPT__DASH_DASH); |
| |
| return {SWIFT_EXECUTABLE_NAME, Arguments}; |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const BackendJobAction &job, |
| const JobContext &context) const { |
| assert(context.Args.hasArg(options::OPT_embed_bitcode)); |
| ArgStringList Arguments; |
| |
| Arguments.push_back("-frontend"); |
| |
| // Determine the frontend mode option. |
| const char *FrontendModeOption = nullptr; |
| switch (context.OI.CompilerMode) { |
| case OutputInfo::Mode::StandardCompile: |
| case OutputInfo::Mode::SingleCompile: { |
| switch (context.Output.getPrimaryOutputType()) { |
| case file_types::TY_Object: |
| FrontendModeOption = "-c"; |
| break; |
| case file_types::TY_LLVM_IR: |
| FrontendModeOption = "-emit-ir"; |
| break; |
| case file_types::TY_LLVM_BC: |
| FrontendModeOption = "-emit-bc"; |
| break; |
| case file_types::TY_Assembly: |
| FrontendModeOption = "-S"; |
| break; |
| case file_types::TY_Nothing: |
| // We were told to output nothing, so get the last mode option and use that. |
| if (const Arg *A = context.Args.getLastArg(options::OPT_modes_Group)) |
| FrontendModeOption = A->getSpelling().data(); |
| else |
| llvm_unreachable("We were told to perform a standard compile, " |
| "but no mode option was passed to the driver."); |
| break; |
| |
| case file_types::TY_ImportedModules: |
| case file_types::TY_TBD: |
| case file_types::TY_SwiftModuleFile: |
| case file_types::TY_RawSIL: |
| case file_types::TY_RawSIB: |
| case file_types::TY_SIL: |
| case file_types::TY_SIB: |
| case file_types::TY_PCH: |
| case file_types::TY_IndexData: |
| llvm_unreachable("Cannot be output from backend job"); |
| case file_types::TY_Swift: |
| case file_types::TY_dSYM: |
| case file_types::TY_AutolinkFile: |
| case file_types::TY_Dependencies: |
| case file_types::TY_SwiftModuleDocFile: |
| case file_types::TY_ClangModuleFile: |
| case file_types::TY_SerializedDiagnostics: |
| case file_types::TY_ObjCHeader: |
| case file_types::TY_Image: |
| case file_types::TY_SwiftDeps: |
| case file_types::TY_Remapping: |
| case file_types::TY_ModuleTrace: |
| case file_types::TY_OptRecord: |
| llvm_unreachable("Output type can never be primary output."); |
| case file_types::TY_INVALID: |
| llvm_unreachable("Invalid type ID"); |
| } |
| break; |
| } |
| case OutputInfo::Mode::BatchModeCompile: |
| case OutputInfo::Mode::Immediate: |
| case OutputInfo::Mode::REPL: |
| llvm_unreachable("invalid mode for backend job"); |
| } |
| |
| assert(FrontendModeOption != nullptr && "No frontend mode option specified!"); |
| |
| Arguments.push_back(FrontendModeOption); |
| |
| // Add input arguments. |
| switch (context.OI.CompilerMode) { |
| case OutputInfo::Mode::StandardCompile: { |
| assert(context.Inputs.size() == 1 && "The backend expects one input!"); |
| Arguments.push_back("-primary-file"); |
| const Job *Cmd = context.Inputs.front(); |
| Arguments.push_back(context.Args.MakeArgString( |
| Cmd->getOutput().getPrimaryOutputFilename())); |
| break; |
| } |
| case OutputInfo::Mode::SingleCompile: { |
| assert(context.Inputs.size() == 1 && "The backend expects one input!"); |
| Arguments.push_back("-primary-file"); |
| const Job *Cmd = context.Inputs.front(); |
| |
| // In multi-threaded compilation, the backend job must select the correct |
| // output file of the compilation job. |
| auto OutNames = Cmd->getOutput().getPrimaryOutputFilenames(); |
| Arguments.push_back( |
| context.Args.MakeArgString(OutNames[job.getInputIndex()])); |
| break; |
| } |
| case OutputInfo::Mode::BatchModeCompile: |
| case OutputInfo::Mode::Immediate: |
| case OutputInfo::Mode::REPL: |
| llvm_unreachable("invalid mode for backend job"); |
| } |
| |
| // Add flags implied by -embed-bitcode. |
| Arguments.push_back("-embed-bitcode"); |
| |
| // -embed-bitcode only supports a restricted set of flags. |
| Arguments.push_back("-target"); |
| Arguments.push_back(context.Args.MakeArgString(getTriple().str())); |
| |
| // Enable address top-byte ignored in the ARM64 backend. |
| if (getTriple().getArch() == llvm::Triple::aarch64) { |
| Arguments.push_back("-Xllvm"); |
| Arguments.push_back("-aarch64-use-tbi"); |
| } |
| |
| // Handle the CPU and its preferences. |
| context.Args.AddLastArg(Arguments, options::OPT_target_cpu); |
| |
| // Enable optimizations, but disable all LLVM-IR-level transformations. |
| context.Args.AddLastArg(Arguments, options::OPT_O_Group); |
| Arguments.push_back("-disable-llvm-optzns"); |
| |
| context.Args.AddLastArg(Arguments, options::OPT_parse_stdlib); |
| |
| Arguments.push_back("-module-name"); |
| Arguments.push_back(context.Args.MakeArgString(context.OI.ModuleName)); |
| |
| // Add the output file argument if necessary. |
| if (context.Output.getPrimaryOutputType() != file_types::TY_Nothing) { |
| for (auto FileName : context.Output.getPrimaryOutputFilenames()) { |
| Arguments.push_back("-o"); |
| Arguments.push_back(context.Args.MakeArgString(FileName)); |
| } |
| } |
| |
| return {SWIFT_EXECUTABLE_NAME, Arguments}; |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const MergeModuleJobAction &job, |
| const JobContext &context) const { |
| InvocationInfo II{SWIFT_EXECUTABLE_NAME}; |
| ArgStringList &Arguments = II.Arguments; |
| |
| Arguments.push_back("-frontend"); |
| |
| Arguments.push_back("-merge-modules"); |
| Arguments.push_back("-emit-module"); |
| |
| if (context.shouldUseInputFileList()) { |
| Arguments.push_back("-filelist"); |
| Arguments.push_back(context.getTemporaryFilePath("inputs", "")); |
| II.FilelistInfos.push_back({Arguments.back(), |
| file_types::TY_SwiftModuleFile, |
| FilelistInfo::WhichFiles::Input}); |
| |
| addInputsOfType(Arguments, context.InputActions, |
| file_types::TY_SwiftModuleFile); |
| } else { |
| size_t origLen = Arguments.size(); |
| (void)origLen; |
| addInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_SwiftModuleFile); |
| addInputsOfType(Arguments, context.InputActions, |
| file_types::TY_SwiftModuleFile); |
| assert(Arguments.size() - origLen >= |
| context.Inputs.size() + context.InputActions.size() || |
| context.OI.CompilerOutputType == file_types::TY_Nothing); |
| assert((Arguments.size() - origLen == context.Inputs.size() || |
| context.OI.CompilerOutputType == file_types::TY_Nothing || |
| !context.InputActions.empty()) && |
| "every input to MergeModule must generate a swiftmodule"); |
| } |
| |
| // Tell all files to parse as library, which is necessary to load them as |
| // serialized ASTs. |
| Arguments.push_back("-parse-as-library"); |
| |
| // Merge serialized SIL from partial modules. |
| Arguments.push_back("-sil-merge-partial-modules"); |
| |
| // Disable SIL optimization passes; we've already optimized the code in each |
| // partial mode. |
| Arguments.push_back("-disable-diagnostic-passes"); |
| Arguments.push_back("-disable-sil-perf-optzns"); |
| |
| addCommonFrontendArgs(*this, context.OI, context.Output, context.Args, |
| Arguments); |
| addOutputsOfType(Arguments, context.Output, context.Args, |
| file_types::TY_SwiftModuleDocFile, "-emit-module-doc-path"); |
| addOutputsOfType(Arguments, context.Output, context.Args, |
| file_types::TY_SerializedDiagnostics, |
| "-serialize-diagnostics-path"); |
| addOutputsOfType(Arguments, context.Output, context.Args, |
| file_types::TY_ObjCHeader, "-emit-objc-header-path"); |
| |
| context.Args.AddLastArg(Arguments, options::OPT_import_objc_header); |
| |
| Arguments.push_back("-module-name"); |
| Arguments.push_back(context.Args.MakeArgString(context.OI.ModuleName)); |
| |
| assert(context.Output.getPrimaryOutputType() == |
| file_types::TY_SwiftModuleFile && |
| "The MergeModule tool only produces swiftmodule files!"); |
| |
| Arguments.push_back("-o"); |
| Arguments.push_back(context.Args.MakeArgString( |
| context.Output.getPrimaryOutputFilename())); |
| |
| return II; |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const ModuleWrapJobAction &job, |
| const JobContext &context) const { |
| ArgStringList Arguments; |
| |
| Arguments.push_back("-modulewrap"); |
| |
| addInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_SwiftModuleFile); |
| addInputsOfType(Arguments, context.InputActions, |
| file_types::TY_SwiftModuleFile); |
| assert(Arguments.size() == 2 && |
| "ModuleWrap expects exactly one merged swiftmodule as input"); |
| |
| assert(context.Output.getPrimaryOutputType() == file_types::TY_Object && |
| "The -modulewrap mode only produces object files"); |
| |
| Arguments.push_back("-target"); |
| Arguments.push_back(context.Args.MakeArgString(getTriple().str())); |
| |
| Arguments.push_back("-o"); |
| Arguments.push_back(context.Args.MakeArgString( |
| context.Output.getPrimaryOutputFilename())); |
| |
| return {SWIFT_EXECUTABLE_NAME, Arguments}; |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const REPLJobAction &job, |
| const JobContext &context) const { |
| assert(context.Inputs.empty()); |
| assert(context.InputActions.empty()); |
| |
| bool useLLDB; |
| |
| switch (job.getRequestedMode()) { |
| case REPLJobAction::Mode::Integrated: |
| useLLDB = false; |
| break; |
| case REPLJobAction::Mode::RequireLLDB: |
| useLLDB = true; |
| break; |
| case REPLJobAction::Mode::PreferLLDB: |
| useLLDB = !findProgramRelativeToSwift("lldb").empty(); |
| break; |
| } |
| |
| ArgStringList FrontendArgs; |
| addCommonFrontendArgs(*this, context.OI, context.Output, context.Args, |
| FrontendArgs); |
| context.Args.AddLastArg(FrontendArgs, options::OPT_import_objc_header); |
| context.Args.AddAllArgs(FrontendArgs, options::OPT_l, options::OPT_framework, |
| options::OPT_L); |
| |
| if (!useLLDB) { |
| FrontendArgs.insert(FrontendArgs.begin(), {"-frontend", "-repl"}); |
| FrontendArgs.push_back("-module-name"); |
| FrontendArgs.push_back(context.Args.MakeArgString(context.OI.ModuleName)); |
| return {SWIFT_EXECUTABLE_NAME, FrontendArgs}; |
| } |
| |
| // Squash important frontend options into a single argument for LLDB. |
| std::string SingleArg = "--repl="; |
| { |
| llvm::raw_string_ostream os(SingleArg); |
| Job::printArguments(os, FrontendArgs); |
| } |
| |
| ArgStringList Arguments; |
| Arguments.push_back(context.Args.MakeArgString(std::move(SingleArg))); |
| |
| return {"lldb", Arguments}; |
| } |
| |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const GenerateDSYMJobAction &job, |
| const JobContext &context) const { |
| assert(context.Inputs.size() == 1); |
| assert(context.InputActions.empty()); |
| assert(context.Output.getPrimaryOutputType() == file_types::TY_dSYM); |
| |
| ArgStringList Arguments; |
| |
| auto inputPath = |
| context.Inputs.front()->getOutput().getPrimaryOutputFilename(); |
| Arguments.push_back(context.Args.MakeArgString(inputPath)); |
| |
| Arguments.push_back("-o"); |
| Arguments.push_back(context.Args.MakeArgString( |
| context.Output.getPrimaryOutputFilename())); |
| |
| return {"dsymutil", Arguments}; |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const VerifyDebugInfoJobAction &job, |
| const JobContext &context) const { |
| assert(context.Inputs.size() == 1); |
| assert(context.InputActions.empty()); |
| |
| // This mirrors the clang driver's --verify-debug-info option. |
| ArgStringList Arguments; |
| Arguments.push_back("--verify"); |
| Arguments.push_back("--debug-info"); |
| Arguments.push_back("--eh-frame"); |
| Arguments.push_back("--quiet"); |
| |
| auto inputPath = |
| context.Inputs.front()->getOutput().getPrimaryOutputFilename(); |
| Arguments.push_back(context.Args.MakeArgString(inputPath)); |
| |
| return {"dwarfdump", Arguments}; |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const GeneratePCHJobAction &job, |
| const JobContext &context) const { |
| assert(context.Inputs.empty()); |
| assert(context.InputActions.size() == 1); |
| assert((!job.isPersistentPCH() && |
| context.Output.getPrimaryOutputType() == file_types::TY_PCH) || |
| (job.isPersistentPCH() && |
| context.Output.getPrimaryOutputType() == file_types::TY_Nothing)); |
| |
| ArgStringList Arguments; |
| |
| Arguments.push_back("-frontend"); |
| |
| addCommonFrontendArgs(*this, context.OI, context.Output, context.Args, |
| Arguments); |
| addOutputsOfType(Arguments, context.Output, context.Args, |
| file_types::TY_SerializedDiagnostics, |
| "-serialize-diagnostics-path"); |
| |
| addInputsOfType(Arguments, context.InputActions, file_types::TY_ObjCHeader); |
| context.Args.AddLastArg(Arguments, options::OPT_index_store_path); |
| |
| if (job.isPersistentPCH()) { |
| Arguments.push_back("-emit-pch"); |
| Arguments.push_back("-pch-output-dir"); |
| Arguments.push_back( |
| context.Args.MakeArgString(job.getPersistentPCHDir())); |
| } else { |
| Arguments.push_back("-emit-pch"); |
| Arguments.push_back("-o"); |
| Arguments.push_back(context.Args.MakeArgString( |
| context.Output.getPrimaryOutputFilename())); |
| } |
| |
| return {SWIFT_EXECUTABLE_NAME, Arguments}; |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const AutolinkExtractJobAction &job, |
| const JobContext &context) const { |
| llvm_unreachable("autolink extraction not implemented for this toolchain"); |
| } |
| |
| ToolChain::InvocationInfo |
| ToolChain::constructInvocation(const LinkJobAction &job, |
| const JobContext &context) const { |
| llvm_unreachable("linking not implemented for this toolchain"); |
| } |
| |
| std::string |
| toolchains::Darwin::findProgramRelativeToSwiftImpl(StringRef name) const { |
| StringRef swiftPath = getDriver().getSwiftProgramPath(); |
| StringRef swiftBinDir = llvm::sys::path::parent_path(swiftPath); |
| |
| // See if we're in an Xcode toolchain. |
| bool hasToolchain = false; |
| llvm::SmallString<128> path{swiftBinDir}; |
| llvm::sys::path::remove_filename(path); // bin |
| llvm::sys::path::remove_filename(path); // usr |
| if (llvm::sys::path::extension(path) == ".xctoolchain") { |
| hasToolchain = true; |
| llvm::sys::path::remove_filename(path); // *.xctoolchain |
| llvm::sys::path::remove_filename(path); // Toolchains |
| llvm::sys::path::append(path, "usr", "bin"); |
| } |
| |
| StringRef paths[] = { swiftBinDir, path }; |
| auto pathsRef = llvm::makeArrayRef(paths); |
| if (!hasToolchain) |
| pathsRef = pathsRef.drop_back(); |
| |
| auto result = llvm::sys::findProgramByName(name, pathsRef); |
| if (result) |
| return result.get(); |
| return {}; |
| } |
| |
| static void addVersionString(const ArgList &inputArgs, ArgStringList &arguments, |
| unsigned major, unsigned minor, unsigned micro) { |
| llvm::SmallString<8> buf; |
| llvm::raw_svector_ostream os{buf}; |
| os << major << '.' << minor << '.' << micro; |
| arguments.push_back(inputArgs.MakeArgString(os.str())); |
| } |
| |
| /// Runs <code>xcrun -f clang</code> in order to find the location of Clang for |
| /// the currently active Xcode. |
| /// |
| /// We get the "currently active" part by passing through the DEVELOPER_DIR |
| /// environment variable (along with the rest of the environment). |
| static bool findXcodeClangPath(llvm::SmallVectorImpl<char> &path) { |
| assert(path.empty()); |
| |
| auto xcrunPath = llvm::sys::findProgramByName("xcrun"); |
| if (!xcrunPath.getError()) { |
| const char *args[] = {"-f", "clang", nullptr}; |
| sys::TaskQueue queue; |
| queue.addTask(xcrunPath->c_str(), args, /*Env=*/llvm::None, |
| /*Context=*/nullptr, |
| /*SeparateErrors=*/true); |
| queue.execute(nullptr, [&path](sys::ProcessId PID, int returnCode, |
| StringRef output, StringRef errors, |
| void *unused) -> sys::TaskFinishedResponse { |
| if (returnCode == 0) { |
| output = output.rtrim(); |
| path.append(output.begin(), output.end()); |
| } |
| return sys::TaskFinishedResponse::ContinueExecution; |
| }); |
| } |
| |
| return !path.empty(); |
| } |
| |
| static void addPathEnvironmentVariableIfNeeded(Job::EnvironmentVector &env, |
| const char *name, |
| const char *separator, |
| options::ID optionID, |
| const ArgList &args, |
| StringRef extraEntry = "") { |
| auto linkPathOptions = args.filtered(optionID); |
| if (linkPathOptions.begin() == linkPathOptions.end() && extraEntry.empty()) |
| return; |
| |
| std::string newPaths; |
| interleave(linkPathOptions, |
| [&](const Arg *arg) { newPaths.append(arg->getValue()); }, |
| [&] { newPaths.append(separator); }); |
| if (!extraEntry.empty()) { |
| if (!newPaths.empty()) |
| newPaths.append(separator); |
| newPaths.append(extraEntry.data(), extraEntry.size()); |
| } |
| if (auto currentPaths = llvm::sys::Process::GetEnv(name)) { |
| newPaths.append(separator); |
| newPaths.append(currentPaths.getValue()); |
| } |
| env.emplace_back(name, args.MakeArgString(newPaths)); |
| } |
| |
| /// Get the runtime library link path, which is platform-specific and found |
| /// relative to the compiler. |
| static void getRuntimeLibraryPath(SmallVectorImpl<char> &runtimeLibPath, |
| const llvm::opt::ArgList &args, |
| const ToolChain &TC, |
| bool shared) { |
| // FIXME: Duplicated from CompilerInvocation, but in theory the runtime |
| // library link path and the standard library module import path don't |
| // need to be the same. |
| if (const Arg *A = args.getLastArg(options::OPT_resource_dir)) { |
| StringRef value = A->getValue(); |
| runtimeLibPath.append(value.begin(), value.end()); |
| } else { |
| auto programPath = TC.getDriver().getSwiftProgramPath(); |
| runtimeLibPath.append(programPath.begin(), programPath.end()); |
| llvm::sys::path::remove_filename(runtimeLibPath); // remove /swift |
| llvm::sys::path::remove_filename(runtimeLibPath); // remove /bin |
| llvm::sys::path::append(runtimeLibPath, "lib", shared ? "swift" : "swift_static"); |
| } |
| llvm::sys::path::append(runtimeLibPath, |
| getPlatformNameForTriple(TC.getTriple())); |
| } |
| |
| static void getClangLibraryPath(const ToolChain &TC, const ArgList &Args, |
| SmallString<128> &LibPath) { |
| const llvm::Triple &T = TC.getTriple(); |
| |
| getRuntimeLibraryPath(LibPath, Args, TC, /*Shared=*/ true); |
| // Remove platform name. |
| llvm::sys::path::remove_filename(LibPath); |
| llvm::sys::path::append(LibPath, "clang", "lib", |
| T.isOSDarwin() ? "darwin" |
| : getPlatformNameForTriple(T)); |
| } |
| |
| ToolChain::InvocationInfo |
| toolchains::Darwin::constructInvocation(const InterpretJobAction &job, |
| const JobContext &context) const { |
| InvocationInfo II = ToolChain::constructInvocation(job, context); |
| |
| SmallString<128> runtimeLibraryPath; |
| getRuntimeLibraryPath(runtimeLibraryPath, context.Args, *this, /*Shared=*/ true); |
| |
| addPathEnvironmentVariableIfNeeded(II.ExtraEnvironment, "DYLD_LIBRARY_PATH", |
| ":", options::OPT_L, context.Args, |
| runtimeLibraryPath); |
| addPathEnvironmentVariableIfNeeded(II.ExtraEnvironment, "DYLD_FRAMEWORK_PATH", |
| ":", options::OPT_F, context.Args); |
| // FIXME: Add options::OPT_Fsystem paths to DYLD_FRAMEWORK_PATH as well. |
| return II; |
| } |
| |
| static StringRef |
| getDarwinLibraryNameSuffixForTriple(const llvm::Triple &triple, |
| bool distinguishSimulator = true) { |
| const DarwinPlatformKind kind = getDarwinPlatformKind(triple); |
| const DarwinPlatformKind effectiveKind = |
| distinguishSimulator ? kind : getNonSimulatorPlatform(kind); |
| switch (effectiveKind) { |
| case DarwinPlatformKind::MacOS: |
| return "osx"; |
| case DarwinPlatformKind::IPhoneOS: |
| return "ios"; |
| case DarwinPlatformKind::IPhoneOSSimulator: |
| return "iossim"; |
| case DarwinPlatformKind::TvOS: |
| return "tvos"; |
| case DarwinPlatformKind::TvOSSimulator: |
| return "tvossim"; |
| case DarwinPlatformKind::WatchOS: |
| return "watchos"; |
| case DarwinPlatformKind::WatchOSSimulator: |
| return "watchossim"; |
| } |
| llvm_unreachable("Unsupported Darwin platform"); |
| } |
| |
| static std::string |
| getSanitizerRuntimeLibNameForDarwin(StringRef Sanitizer, |
| const llvm::Triple &Triple, |
| bool shared = true) { |
| return (Twine("libclang_rt.") |
| + Sanitizer + "_" |
| + getDarwinLibraryNameSuffixForTriple(Triple) |
| + (shared ? "_dynamic.dylib" : ".a")).str(); |
| } |
| |
| static std::string |
| getSanitizerRuntimeLibNameForWindows(StringRef Sanitizer, |
| const llvm::Triple &Triple) { |
| return (Twine("clang_rt.") + Sanitizer + "-" + Triple.getArchName() + ".lib") |
| .str(); |
| } |
| |
| static std::string |
| getSanitizerRuntimeLibNameForLinux(StringRef Sanitizer, const llvm::Triple &Triple) { |
| return (Twine("libclang_rt.") + Sanitizer + "-" + |
| Triple.getArchName() + ".a").str(); |
| } |
| |
| bool toolchains::Darwin::sanitizerRuntimeLibExists( |
| const ArgList &args, StringRef sanitizer, bool shared) const { |
| SmallString<128> sanitizerLibPath; |
| getClangLibraryPath(*this, args, sanitizerLibPath); |
| llvm::sys::path::append(sanitizerLibPath, |
| getSanitizerRuntimeLibNameForDarwin( |
| sanitizer, this->getTriple(), shared)); |
| return llvm::sys::fs::exists(sanitizerLibPath.str()); |
| } |
| |
| bool toolchains::Windows::sanitizerRuntimeLibExists(const ArgList &args, |
| StringRef sanitizer, |
| bool shared) const { |
| SmallString<128> sanitizerLibPath; |
| getClangLibraryPath(*this, args, sanitizerLibPath); |
| llvm::sys::path::append( |
| sanitizerLibPath, |
| getSanitizerRuntimeLibNameForWindows(sanitizer, this->getTriple())); |
| return llvm::sys::fs::exists(sanitizerLibPath.str()); |
| } |
| |
| bool toolchains::GenericUnix::sanitizerRuntimeLibExists( |
| const ArgList &args, StringRef sanitizer, bool shared) const { |
| SmallString<128> sanitizerLibPath; |
| getClangLibraryPath(*this, args, sanitizerLibPath); |
| |
| // All libraries are static for linux. |
| llvm::sys::path::append(sanitizerLibPath, |
| getSanitizerRuntimeLibNameForLinux(sanitizer, this->getTriple())); |
| return llvm::sys::fs::exists(sanitizerLibPath.str()); |
| } |
| |
| |
| static void |
| addLinkRuntimeLibForDarwin(const ArgList &Args, ArgStringList &Arguments, |
| StringRef DarwinLibName, bool AddRPath, |
| const ToolChain &TC) { |
| SmallString<128> ClangLibraryPath; |
| getClangLibraryPath(TC, Args, ClangLibraryPath); |
| |
| SmallString<128> P(ClangLibraryPath); |
| llvm::sys::path::append(P, DarwinLibName); |
| Arguments.push_back(Args.MakeArgString(P)); |
| |
| // Adding the rpaths might negatively interact when other rpaths are involved, |
| // so we should make sure we add the rpaths last, after all user-specified |
| // rpaths. This is currently true from this place, but we need to be |
| // careful if this function is ever called before user's rpaths are emitted. |
| if (AddRPath) { |
| assert(DarwinLibName.endswith(".dylib") && "must be a dynamic library"); |
| |
| // Add @executable_path to rpath to support having the dylib copied with |
| // the executable. |
| Arguments.push_back("-rpath"); |
| Arguments.push_back("@executable_path"); |
| |
| // Add the path to the resource dir to rpath to support using the dylib |
| // from the default location without copying. |
| Arguments.push_back("-rpath"); |
| Arguments.push_back(Args.MakeArgString(ClangLibraryPath)); |
| } |
| } |
| |
| static void addLinkRuntimeLibForWindows(const ArgList &Args, |
| ArgStringList &Arguments, |
| StringRef WindowsLibName, |
| const ToolChain &TC) { |
| SmallString<128> P; |
| getClangLibraryPath(TC, Args, P); |
| llvm::sys::path::append(P, WindowsLibName); |
| Arguments.push_back(Args.MakeArgString(P)); |
| } |
| |
| static void |
| addLinkRuntimeLibForLinux(const ArgList &Args, ArgStringList &Arguments, |
| StringRef LinuxLibName, |
| const ToolChain &TC) { |
| SmallString<128> P; |
| getClangLibraryPath(TC, Args, P); |
| llvm::sys::path::append(P, LinuxLibName); |
| Arguments.push_back(Args.MakeArgString(P)); |
| } |
| |
| static void |
| addLinkSanitizerLibArgsForDarwin(const ArgList &Args, |
| ArgStringList &Arguments, |
| StringRef Sanitizer, |
| const ToolChain &TC, |
| bool shared = true |
| ) { |
| // Sanitizer runtime libraries requires C++. |
| Arguments.push_back("-lc++"); |
| // Add explicit dependency on -lc++abi, as -lc++ doesn't re-export |
| // all RTTI-related symbols that are used. |
| Arguments.push_back("-lc++abi"); |
| |
| addLinkRuntimeLibForDarwin(Args, Arguments, |
| getSanitizerRuntimeLibNameForDarwin(Sanitizer, TC.getTriple(), shared), |
| /*AddRPath=*/ shared, TC); |
| } |
| |
| static void addLinkSanitizerLibArgsForWindows(const ArgList &Args, |
| ArgStringList &Arguments, |
| StringRef Sanitizer, |
| const ToolChain &TC) { |
| addLinkRuntimeLibForWindows( |
| Args, Arguments, |
| getSanitizerRuntimeLibNameForWindows(Sanitizer, TC.getTriple()), TC); |
| } |
| |
| static void addLinkSanitizerLibArgsForLinux(const ArgList &Args, |
| ArgStringList &Arguments, |
| StringRef Sanitizer, |
| const ToolChain &TC) { |
| addLinkRuntimeLibForLinux( |
| Args, Arguments, |
| getSanitizerRuntimeLibNameForLinux(Sanitizer, TC.getTriple()), TC); |
| |
| // Code taken from |
| // https://github.com/apple/swift-clang/blob/ab3cbe7/lib/Driver/Tools.cpp#L3264-L3276 |
| // There's no libpthread or librt on RTEMS. |
| if (TC.getTriple().getOS() != llvm::Triple::RTEMS) { |
| Arguments.push_back("-lpthread"); |
| Arguments.push_back("-lrt"); |
| } |
| Arguments.push_back("-lm"); |
| |
| // There's no libdl on FreeBSD or RTEMS. |
| if (TC.getTriple().getOS() != llvm::Triple::FreeBSD && |
| TC.getTriple().getOS() != llvm::Triple::RTEMS) |
| Arguments.push_back("-ldl"); |
| } |
| |
| /// Returns true if the compiler depends on features provided by the ObjC |
| /// runtime that are not present on the deployment target indicated by |
| /// \p triple. |
| static bool wantsObjCRuntime(const llvm::Triple &triple) { |
| assert((!triple.isTvOS() || triple.isiOS()) && |
| "tvOS is considered a kind of iOS"); |
| |
| // When updating the versions listed here, please record the most recent |
| // feature being depended on and when it was introduced: |
| // |
| // - Make assigning 'nil' to an NSMutableDictionary subscript delete the |
| // entry, like it does for Swift.Dictionary, rather than trap. |
| if (triple.isiOS()) |
| return triple.isOSVersionLT(9); |
| if (triple.isMacOSX()) |
| return triple.isMacOSXVersionLT(10, 11); |
| if (triple.isWatchOS()) |
| return false; |
| llvm_unreachable("unknown Darwin OS"); |
| } |
| |
| ToolChain::InvocationInfo |
| toolchains::Darwin::constructInvocation(const LinkJobAction &job, |
| const JobContext &context) const { |
| assert(context.Output.getPrimaryOutputType() == file_types::TY_Image && |
| "Invalid linker output type."); |
| |
| if (context.Args.hasFlag(options::OPT_static_executable, |
| options::OPT_no_static_executable, |
| false)) { |
| llvm::report_fatal_error("-static-executable is not supported on Darwin"); |
| } |
| |
| const Driver &D = getDriver(); |
| const llvm::Triple &Triple = getTriple(); |
| |
| // Configure the toolchain. |
| // By default, use the system `ld` to link. |
| const char *LD = "ld"; |
| if (const Arg *A = context.Args.getLastArg(options::OPT_tools_directory)) { |
| StringRef toolchainPath(A->getValue()); |
| |
| // If there is a 'ld' in the toolchain folder, use that instead. |
| if (auto toolchainLD = llvm::sys::findProgramByName("ld", {toolchainPath})) { |
| LD = context.Args.MakeArgString(toolchainLD.get()); |
| } |
| } |
| |
| InvocationInfo II = {LD}; |
| ArgStringList &Arguments = II.Arguments; |
| |
| if (context.shouldUseInputFileList()) { |
| Arguments.push_back("-filelist"); |
| Arguments.push_back(context.getTemporaryFilePath("inputs", "LinkFileList")); |
| II.FilelistInfos.push_back({Arguments.back(), file_types::TY_Object, |
| FilelistInfo::WhichFiles::Input}); |
| } else { |
| addPrimaryInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_Object); |
| } |
| |
| addInputsOfType(Arguments, context.InputActions, file_types::TY_Object); |
| |
| if (context.OI.CompilerMode == OutputInfo::Mode::SingleCompile) |
| addInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_SwiftModuleFile, "-add_ast_path"); |
| else |
| addPrimaryInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_SwiftModuleFile, "-add_ast_path"); |
| |
| // Add all .swiftmodule file inputs as arguments, preceded by the |
| // "-add_ast_path" linker option. |
| addInputsOfType(Arguments, context.InputActions, |
| file_types::TY_SwiftModuleFile, "-add_ast_path"); |
| |
| switch (job.getKind()) { |
| case LinkKind::None: |
| llvm_unreachable("invalid link kind"); |
| case LinkKind::Executable: |
| // The default for ld; no extra flags necessary. |
| break; |
| case LinkKind::DynamicLibrary: |
| Arguments.push_back("-dylib"); |
| break; |
| } |
| |
| assert(Triple.isOSDarwin()); |
| |
| // FIXME: If we used Clang as a linker instead of going straight to ld, |
| // we wouldn't have to replicate a bunch of Clang's logic here. |
| |
| // Always link the regular compiler_rt if it's present. |
| // |
| // Note: Normally we'd just add this unconditionally, but it's valid to build |
| // Swift and use it as a linker without building compiler_rt. |
| SmallString<128> CompilerRTPath; |
| getClangLibraryPath(*this, context.Args, CompilerRTPath); |
| llvm::sys::path::append( |
| CompilerRTPath, |
| Twine("libclang_rt.") + |
| getDarwinLibraryNameSuffixForTriple(Triple, /*simulator*/false) + |
| ".a"); |
| if (llvm::sys::fs::exists(CompilerRTPath)) |
| Arguments.push_back(context.Args.MakeArgString(CompilerRTPath)); |
| |
| if (context.Args.hasFlag(options::OPT_link_objc_runtime, |
| options::OPT_no_link_objc_runtime, |
| /*Default=*/wantsObjCRuntime(Triple))) { |
| llvm::SmallString<128> ARCLiteLib(D.getSwiftProgramPath()); |
| llvm::sys::path::remove_filename(ARCLiteLib); // 'swift' |
| llvm::sys::path::remove_filename(ARCLiteLib); // 'bin' |
| llvm::sys::path::append(ARCLiteLib, "lib", "arc"); |
| |
| if (!llvm::sys::fs::is_directory(ARCLiteLib)) { |
| // If we don't have a 'lib/arc/' directory, find the "arclite" library |
| // relative to the Clang in the active Xcode. |
| ARCLiteLib.clear(); |
| if (findXcodeClangPath(ARCLiteLib)) { |
| llvm::sys::path::remove_filename(ARCLiteLib); // 'clang' |
| llvm::sys::path::remove_filename(ARCLiteLib); // 'bin' |
| llvm::sys::path::append(ARCLiteLib, "lib", "arc"); |
| } |
| } |
| |
| if (!ARCLiteLib.empty()) { |
| llvm::sys::path::append(ARCLiteLib, "libarclite_"); |
| ARCLiteLib += getPlatformNameForTriple(Triple); |
| ARCLiteLib += ".a"; |
| |
| Arguments.push_back("-force_load"); |
| Arguments.push_back(context.Args.MakeArgString(ARCLiteLib)); |
| |
| // Arclite depends on CoreFoundation. |
| Arguments.push_back("-framework"); |
| Arguments.push_back("CoreFoundation"); |
| } else { |
| // FIXME: We should probably diagnose this, but this is not a place where |
| // we can emit diagnostics. Silently ignore it for now. |
| } |
| } |
| |
| context.Args.AddAllArgValues(Arguments, options::OPT_Xlinker); |
| context.Args.AddAllArgs(Arguments, options::OPT_linker_option_Group); |
| for (const Arg *arg : context.Args.filtered(options::OPT_F, |
| options::OPT_Fsystem)) { |
| Arguments.push_back("-F"); |
| Arguments.push_back(arg->getValue()); |
| } |
| |
| if (context.Args.hasArg(options::OPT_enable_app_extension)) { |
| // Keep this string fixed in case the option used by the |
| // compiler itself changes. |
| Arguments.push_back("-application_extension"); |
| } |
| |
| // Linking sanitizers will add rpaths, which might negatively interact when |
| // other rpaths are involved, so we should make sure we add the rpaths after |
| // all user-specified rpaths. |
| if (context.OI.SelectedSanitizers & SanitizerKind::Address) |
| addLinkSanitizerLibArgsForDarwin(context.Args, Arguments, "asan", *this); |
| |
| if (context.OI.SelectedSanitizers & SanitizerKind::Thread) |
| addLinkSanitizerLibArgsForDarwin(context.Args, Arguments, "tsan", *this); |
| |
| // Only link in libFuzzer for executables. |
| if (job.getKind() == LinkKind::Executable && |
| (context.OI.SelectedSanitizers & SanitizerKind::Fuzzer)) |
| addLinkSanitizerLibArgsForDarwin( |
| context.Args, Arguments, "fuzzer", *this, /*shared=*/false); |
| |
| if (context.Args.hasArg(options::OPT_embed_bitcode, |
| options::OPT_embed_bitcode_marker)) { |
| Arguments.push_back("-bitcode_bundle"); |
| } |
| |
| if (!context.OI.SDKPath.empty()) { |
| Arguments.push_back("-syslibroot"); |
| Arguments.push_back(context.Args.MakeArgString(context.OI.SDKPath)); |
| } |
| |
| Arguments.push_back("-lobjc"); |
| Arguments.push_back("-lSystem"); |
| |
| Arguments.push_back("-arch"); |
| Arguments.push_back(context.Args.MakeArgString(getTriple().getArchName())); |
| |
| // Add the runtime library link path, which is platform-specific and found |
| // relative to the compiler. |
| SmallString<128> RuntimeLibPath; |
| getRuntimeLibraryPath(RuntimeLibPath, context.Args, *this, /*Shared=*/ true); |
| |
| // Link the standard library. |
| Arguments.push_back("-L"); |
| if (context.Args.hasFlag(options::OPT_static_stdlib, |
| options::OPT_no_static_stdlib, |
| false)) { |
| SmallString<128> StaticRuntimeLibPath; |
| getRuntimeLibraryPath(StaticRuntimeLibPath, context.Args, *this, /*Shared=*/ false); |
| Arguments.push_back(context.Args.MakeArgString(StaticRuntimeLibPath)); |
| Arguments.push_back("-lc++"); |
| Arguments.push_back("-framework"); |
| Arguments.push_back("Foundation"); |
| Arguments.push_back("-force_load_swift_libs"); |
| } else { |
| Arguments.push_back(context.Args.MakeArgString(RuntimeLibPath)); |
| // FIXME: We probably shouldn't be adding an rpath here unless we know ahead |
| // of time the standard library won't be copied. SR-1967 |
| Arguments.push_back("-rpath"); |
| Arguments.push_back(context.Args.MakeArgString(RuntimeLibPath)); |
| } |
| |
| if (context.Args.hasArg(options::OPT_profile_generate)) { |
| SmallString<128> LibProfile; |
| getClangLibraryPath(*this, context.Args, LibProfile); |
| |
| StringRef RT; |
| if (Triple.isiOS()) { |
| if (Triple.isTvOS()) |
| RT = "tvos"; |
| else |
| RT = "ios"; |
| } else if (Triple.isWatchOS()) { |
| RT = "watchos"; |
| } else { |
| assert(Triple.isMacOSX()); |
| RT = "osx"; |
| } |
| |
| StringRef Sim; |
| if (tripleIsAnySimulator(Triple)) { |
| Sim = "sim"; |
| } |
| |
| llvm::sys::path::append(LibProfile, |
| "libclang_rt.profile_" + RT + Sim + ".a"); |
| |
| // FIXME: Continue accepting the old path for simulator libraries for now. |
| if (!Sim.empty() && !llvm::sys::fs::exists(LibProfile)) { |
| llvm::sys::path::remove_filename(LibProfile); |
| llvm::sys::path::append(LibProfile, |
| "libclang_rt.profile_" + RT + ".a"); |
| } |
| |
| Arguments.push_back(context.Args.MakeArgString(LibProfile)); |
| } |
| |
| // FIXME: Properly handle deployment targets. |
| assert(Triple.isiOS() || Triple.isWatchOS() || Triple.isMacOSX()); |
| if (Triple.isiOS()) { |
| bool isiOSSimulator = tripleIsiOSSimulator(Triple); |
| if (Triple.isTvOS()) { |
| if (isiOSSimulator) |
| Arguments.push_back("-tvos_simulator_version_min"); |
| else |
| Arguments.push_back("-tvos_version_min"); |
| } else { |
| if (isiOSSimulator) |
| Arguments.push_back("-ios_simulator_version_min"); |
| else |
| Arguments.push_back("-iphoneos_version_min"); |
| } |
| unsigned major, minor, micro; |
| Triple.getiOSVersion(major, minor, micro); |
| addVersionString(context.Args, Arguments, major, minor, micro); |
| } else if (Triple.isWatchOS()) { |
| if (tripleIsWatchSimulator(Triple)) |
| Arguments.push_back("-watchos_simulator_version_min"); |
| else |
| Arguments.push_back("-watchos_version_min"); |
| unsigned major, minor, micro; |
| Triple.getOSVersion(major, minor, micro); |
| addVersionString(context.Args, Arguments, major, minor, micro); |
| } else { |
| Arguments.push_back("-macosx_version_min"); |
| unsigned major, minor, micro; |
| Triple.getMacOSXVersion(major, minor, micro); |
| addVersionString(context.Args, Arguments, major, minor, micro); |
| } |
| |
| Arguments.push_back("-no_objc_category_merging"); |
| |
| // This should be the last option, for convenience in checking output. |
| Arguments.push_back("-o"); |
| Arguments.push_back(context.Args.MakeArgString( |
| context.Output.getPrimaryOutputFilename())); |
| |
| return II; |
| } |
| |
| ToolChain::InvocationInfo |
| toolchains::Windows::constructInvocation(const LinkJobAction &job, |
| const JobContext &context) const { |
| assert(context.Output.getPrimaryOutputType() == file_types::TY_Image && |
| "Invalid linker output type."); |
| |
| ArgStringList Arguments; |
| |
| switch (job.getKind()) { |
| case LinkKind::None: |
| llvm_unreachable("invalid link kind"); |
| case LinkKind::Executable: |
| // Default case, nothing extra needed. |
| break; |
| case LinkKind::DynamicLibrary: |
| Arguments.push_back("-shared"); |
| break; |
| } |
| |
| // Select the linker to use. |
| std::string Linker; |
| if (const Arg *A = context.Args.getLastArg(options::OPT_use_ld)) { |
| Linker = A->getValue(); |
| } |
| if (!Linker.empty()) |
| Arguments.push_back(context.Args.MakeArgString("-fuse-ld=" + Linker)); |
| |
| // Configure the toolchain. |
| // By default, use the system clang++ to link. |
| const char *Clang = nullptr; |
| if (const Arg *A = context.Args.getLastArg(options::OPT_tools_directory)) { |
| StringRef toolchainPath(A->getValue()); |
| |
| // If there is a clang in the toolchain folder, use that instead. |
| if (auto toolchainClang = |
| llvm::sys::findProgramByName("clang++", {toolchainPath})) |
| Clang = context.Args.MakeArgString(toolchainClang.get()); |
| } |
| if (Clang == nullptr) { |
| if (auto pathClang = llvm::sys::findProgramByName("clang++", None)) |
| Clang = context.Args.MakeArgString(pathClang.get()); |
| } |
| assert(Clang && |
| "clang++ was not found in the toolchain directory or system path."); |
| |
| std::string Target = getTriple().str(); |
| if (!Target.empty()) { |
| Arguments.push_back("-target"); |
| Arguments.push_back(context.Args.MakeArgString(Target)); |
| } |
| |
| SmallString<128> SharedRuntimeLibPath; |
| getRuntimeLibraryPath(SharedRuntimeLibPath, context.Args, *this, |
| /*Shared=*/true); |
| |
| // Link the standard library. |
| Arguments.push_back("-L"); |
| if (context.Args.hasFlag(options::OPT_static_stdlib, |
| options::OPT_no_static_stdlib, false)) { |
| SmallString<128> StaticRuntimeLibPath; |
| getRuntimeLibraryPath(StaticRuntimeLibPath, context.Args, *this, |
| /*Shared=*/false); |
| |
| // Since Windows has separate libraries per architecture, link against the |
| // architecture specific version of the static library. |
| Arguments.push_back(context.Args.MakeArgString(StaticRuntimeLibPath + "/" + |
| getTriple().getArchName())); |
| } else { |
| Arguments.push_back(context.Args.MakeArgString(SharedRuntimeLibPath + "/" + |
| getTriple().getArchName())); |
| } |
| |
| SmallString<128> swiftrtPath = SharedRuntimeLibPath; |
| llvm::sys::path::append(swiftrtPath, |
| swift::getMajorArchitectureName(getTriple())); |
| llvm::sys::path::append(swiftrtPath, "swiftrt.o"); |
| Arguments.push_back(context.Args.MakeArgString(swiftrtPath)); |
| |
| addPrimaryInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_Object); |
| addInputsOfType(Arguments, context.InputActions, file_types::TY_Object); |
| |
| for (const Arg *arg : |
| context.Args.filtered(options::OPT_F, options::OPT_Fsystem)) { |
| if (arg->getOption().matches(options::OPT_Fsystem)) |
| Arguments.push_back("-iframework"); |
| else |
| Arguments.push_back(context.Args.MakeArgString(arg->getSpelling())); |
| Arguments.push_back(arg->getValue()); |
| } |
| |
| if (!context.OI.SDKPath.empty()) { |
| Arguments.push_back("-I"); |
| Arguments.push_back(context.Args.MakeArgString(context.OI.SDKPath)); |
| } |
| |
| if (job.getKind() == LinkKind::Executable) { |
| if (context.OI.SelectedSanitizers & SanitizerKind::Address) |
| addLinkSanitizerLibArgsForWindows(context.Args, Arguments, "asan", *this); |
| } |
| |
| if (context.Args.hasArg(options::OPT_profile_generate)) { |
| SmallString<128> LibProfile(SharedRuntimeLibPath); |
| llvm::sys::path::remove_filename(LibProfile); // remove platform name |
| llvm::sys::path::append(LibProfile, "clang", "lib"); |
| |
| llvm::sys::path::append(LibProfile, getTriple().getOSName(), |
| Twine("clang_rt.profile-") + |
| getTriple().getArchName() + ".lib"); |
| Arguments.push_back(context.Args.MakeArgString(LibProfile)); |
| Arguments.push_back(context.Args.MakeArgString( |
| Twine("-u", llvm::getInstrProfRuntimeHookVarName()))); |
| } |
| |
| context.Args.AddAllArgs(Arguments, options::OPT_Xlinker); |
| context.Args.AddAllArgs(Arguments, options::OPT_linker_option_Group); |
| |
| // This should be the last option, for convenience in checking output. |
| Arguments.push_back("-o"); |
| Arguments.push_back( |
| context.Args.MakeArgString(context.Output.getPrimaryOutputFilename())); |
| |
| InvocationInfo II{Clang, Arguments}; |
| II.allowsResponseFiles = true; |
| |
| return II; |
| } |
| |
| ToolChain::InvocationInfo |
| toolchains::GenericUnix::constructInvocation(const InterpretJobAction &job, |
| const JobContext &context) const { |
| InvocationInfo II = ToolChain::constructInvocation(job, context); |
| |
| SmallString<128> runtimeLibraryPath; |
| getRuntimeLibraryPath(runtimeLibraryPath, context.Args, *this, |
| /*Shared=*/true); |
| |
| addPathEnvironmentVariableIfNeeded(II.ExtraEnvironment, "LD_LIBRARY_PATH", |
| ":", options::OPT_L, context.Args, |
| runtimeLibraryPath); |
| return II; |
| } |
| |
| ToolChain::InvocationInfo toolchains::GenericUnix::constructInvocation( |
| const AutolinkExtractJobAction &job, const JobContext &context) const { |
| assert(context.Output.getPrimaryOutputType() == file_types::TY_AutolinkFile); |
| |
| ArgStringList Arguments; |
| addPrimaryInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_Object); |
| addInputsOfType(Arguments, context.InputActions, file_types::TY_Object); |
| |
| Arguments.push_back("-o"); |
| Arguments.push_back( |
| context.Args.MakeArgString(context.Output.getPrimaryOutputFilename())); |
| |
| return {"swift-autolink-extract", Arguments}; |
| } |
| |
| std::string toolchains::GenericUnix::getDefaultLinker() const { |
| switch (getTriple().getArch()) { |
| case llvm::Triple::arm: |
| case llvm::Triple::armeb: |
| case llvm::Triple::thumb: |
| case llvm::Triple::thumbeb: |
| // BFD linker has issues wrt relocation of the protocol conformance |
| // section on these targets, it also generates COPY relocations for |
| // final executables, as such, unless specified, we default to gold |
| // linker. |
| return "gold"; |
| case llvm::Triple::x86_64: |
| case llvm::Triple::ppc64: |
| case llvm::Triple::ppc64le: |
| case llvm::Triple::systemz: |
| // BFD linker has issues wrt relocations against protected symbols. |
| return "gold"; |
| default: |
| // Otherwise, use the default BFD linker. |
| return ""; |
| } |
| } |
| |
| std::string toolchains::GenericUnix::getTargetForLinker() const { |
| return getTriple().str(); |
| } |
| |
| bool toolchains::GenericUnix::shouldProvideRPathToLinker() const { |
| return true; |
| } |
| |
| ToolChain::InvocationInfo |
| toolchains::GenericUnix::constructInvocation(const LinkJobAction &job, |
| const JobContext &context) const { |
| assert(context.Output.getPrimaryOutputType() == file_types::TY_Image && |
| "Invalid linker output type."); |
| |
| ArgStringList Arguments; |
| |
| switch (job.getKind()) { |
| case LinkKind::None: |
| llvm_unreachable("invalid link kind"); |
| case LinkKind::Executable: |
| // Default case, nothing extra needed. |
| break; |
| case LinkKind::DynamicLibrary: |
| Arguments.push_back("-shared"); |
| break; |
| } |
| |
| // Select the linker to use. |
| std::string Linker; |
| if (const Arg *A = context.Args.getLastArg(options::OPT_use_ld)) { |
| Linker = A->getValue(); |
| } else { |
| Linker = getDefaultLinker(); |
| } |
| if (!Linker.empty()) { |
| #if defined(__HAIKU__) |
| // For now, passing -fuse-ld on Haiku doesn't work as swiftc doesn't recognise |
| // it. Passing -use-ld= as the argument works fine. |
| Arguments.push_back(context.Args.MakeArgString("-use-ld=" + Linker)); |
| #else |
| Arguments.push_back(context.Args.MakeArgString("-fuse-ld=" + Linker)); |
| #endif |
| } |
| |
| // Configure the toolchain. |
| // By default, use the system clang++ to link. |
| const char * Clang = "clang++"; |
| if (const Arg *A = context.Args.getLastArg(options::OPT_tools_directory)) { |
| StringRef toolchainPath(A->getValue()); |
| |
| // If there is a clang in the toolchain folder, use that instead. |
| if (auto toolchainClang = llvm::sys::findProgramByName("clang++", {toolchainPath})) { |
| Clang = context.Args.MakeArgString(toolchainClang.get()); |
| } |
| |
| // Look for binutils in the toolchain folder. |
| Arguments.push_back("-B"); |
| Arguments.push_back(context.Args.MakeArgString(A->getValue())); |
| } |
| |
| if (getTriple().getOS() == llvm::Triple::Linux && |
| job.getKind() == LinkKind::Executable) { |
| Arguments.push_back("-pie"); |
| } |
| |
| std::string Target = getTargetForLinker(); |
| if (!Target.empty()) { |
| Arguments.push_back("-target"); |
| Arguments.push_back(context.Args.MakeArgString(Target)); |
| } |
| |
| bool staticExecutable = false; |
| bool staticStdlib = false; |
| |
| if (context.Args.hasFlag(options::OPT_static_executable, |
| options::OPT_no_static_executable, |
| false)) { |
| staticExecutable = true; |
| } else if (context.Args.hasFlag(options::OPT_static_stdlib, |
| options::OPT_no_static_stdlib, |
| false)) { |
| staticStdlib = true; |
| } |
| |
| SmallString<128> SharedRuntimeLibPath; |
| getRuntimeLibraryPath(SharedRuntimeLibPath, context.Args, *this, /*Shared=*/ true); |
| |
| SmallString<128> StaticRuntimeLibPath; |
| getRuntimeLibraryPath(StaticRuntimeLibPath, context.Args, *this, /*Shared=*/ false); |
| |
| // Add the runtime library link path, which is platform-specific and found |
| // relative to the compiler. |
| if (!(staticExecutable || staticStdlib) && shouldProvideRPathToLinker()) { |
| // FIXME: We probably shouldn't be adding an rpath here unless we know |
| // ahead of time the standard library won't be copied. |
| Arguments.push_back("-Xlinker"); |
| Arguments.push_back("-rpath"); |
| Arguments.push_back("-Xlinker"); |
| Arguments.push_back(context.Args.MakeArgString(SharedRuntimeLibPath)); |
| } |
| |
| SmallString<128> swiftrtPath = SharedRuntimeLibPath; |
| llvm::sys::path::append(swiftrtPath, |
| swift::getMajorArchitectureName(getTriple())); |
| llvm::sys::path::append(swiftrtPath, "swiftrt.o"); |
| Arguments.push_back(context.Args.MakeArgString(swiftrtPath)); |
| |
| addPrimaryInputsOfType(Arguments, context.Inputs, context.Args, |
| file_types::TY_Object); |
| addInputsOfType(Arguments, context.InputActions, file_types::TY_Object); |
| |
| for (const Arg *arg : context.Args.filtered(options::OPT_F, |
| options::OPT_Fsystem)) { |
| if (arg->getOption().matches(options::OPT_Fsystem)) |
| Arguments.push_back("-iframework"); |
| else |
| Arguments.push_back(context.Args.MakeArgString(arg->getSpelling())); |
| Arguments.push_back(arg->getValue()); |
| } |
| |
| if (!context.OI.SDKPath.empty()) { |
| Arguments.push_back("--sysroot"); |
| Arguments.push_back(context.Args.MakeArgString(context.OI.SDKPath)); |
| } |
| |
| // Add any autolinking scripts to the arguments |
| for (const Job *Cmd : context.Inputs) { |
| auto &OutputInfo = Cmd->getOutput(); |
| if (OutputInfo.getPrimaryOutputType() == file_types::TY_AutolinkFile) |
| Arguments.push_back(context.Args.MakeArgString( |
| Twine("@") + OutputInfo.getPrimaryOutputFilename())); |
| } |
| |
| // Link the standard library. |
| Arguments.push_back("-L"); |
| |
| if (staticExecutable) { |
| Arguments.push_back(context.Args.MakeArgString(StaticRuntimeLibPath)); |
| |
| SmallString<128> linkFilePath = StaticRuntimeLibPath; |
| llvm::sys::path::append(linkFilePath, "static-executable-args.lnk"); |
| auto linkFile = linkFilePath.str(); |
| |
| if (llvm::sys::fs::is_regular_file(linkFile)) { |
| Arguments.push_back(context.Args.MakeArgString(Twine("@") + linkFile)); |
| } else { |
| llvm::report_fatal_error("-static-executable not supported on this platform"); |
| } |
| } |
| else if (staticStdlib) { |
| Arguments.push_back(context.Args.MakeArgString(StaticRuntimeLibPath)); |
| |
| SmallString<128> linkFilePath = StaticRuntimeLibPath; |
| llvm::sys::path::append(linkFilePath, "static-stdlib-args.lnk"); |
| auto linkFile = linkFilePath.str(); |
| if (llvm::sys::fs::is_regular_file(linkFile)) { |
| Arguments.push_back(context.Args.MakeArgString(Twine("@") + linkFile)); |
| } else { |
| llvm::report_fatal_error(linkFile + " not found"); |
| } |
| } |
| else { |
| Arguments.push_back(context.Args.MakeArgString(SharedRuntimeLibPath)); |
| Arguments.push_back("-lswiftCore"); |
| } |
| |
| // Explicitly pass the target to the linker |
| Arguments.push_back(context.Args.MakeArgString("--target=" + getTriple().str())); |
| |
| if (getTriple().getOS() == llvm::Triple::Linux) { |
| //Make sure we only add SanitizerLibs for executables |
| if (job.getKind() == LinkKind::Executable) { |
| if (context.OI.SelectedSanitizers & SanitizerKind::Address) |
| addLinkSanitizerLibArgsForLinux(context.Args, Arguments, "asan", *this); |
| |
| if (context.OI.SelectedSanitizers & SanitizerKind::Thread) |
| addLinkSanitizerLibArgsForLinux(context.Args, Arguments, "tsan", *this); |
| |
| if (context.OI.SelectedSanitizers & SanitizerKind::Fuzzer) |
| addLinkRuntimeLibForLinux(context.Args, Arguments, |
| getSanitizerRuntimeLibNameForLinux( |
| "fuzzer", this->getTriple()), *this); |
| } |
| } |
| |
| if (context.Args.hasArg(options::OPT_profile_generate)) { |
| SmallString<128> LibProfile(SharedRuntimeLibPath); |
| llvm::sys::path::remove_filename(LibProfile); // remove platform name |
| llvm::sys::path::append(LibProfile, "clang", "lib"); |
| |
| llvm::sys::path::append(LibProfile, getTriple().getOSName(), |
| Twine("libclang_rt.profile-") + |
| getTriple().getArchName() + |
| ".a"); |
| Arguments.push_back(context.Args.MakeArgString(LibProfile)); |
| Arguments.push_back(context.Args.MakeArgString( |
| Twine("-u", llvm::getInstrProfRuntimeHookVarName()))); |
| } |
| |
| context.Args.AddAllArgs(Arguments, options::OPT_Xlinker); |
| context.Args.AddAllArgs(Arguments, options::OPT_linker_option_Group); |
| |
| // This should be the last option, for convenience in checking output. |
| Arguments.push_back("-o"); |
| Arguments.push_back(context.Args.MakeArgString( |
| context.Output.getPrimaryOutputFilename())); |
| |
| InvocationInfo II{Clang, Arguments}; |
| II.allowsResponseFiles = true; |
| |
| return II; |
| } |
| |
| std::string |
| toolchains::Android::getTargetForLinker() const { |
| // Explicitly set the linker target to "androideabi", as opposed to the |
| // llvm::Triple representation of "armv7-none-linux-android". |
| // This is the only ABI we currently support for Android. |
| assert( |
| getTriple().getArch() == llvm::Triple::arm && |
| getTriple().getSubArch() == llvm::Triple::SubArchType::ARMSubArch_v7 && |
| "Only armv7 targets are supported for Android"); |
| return "armv7-none-linux-androideabi"; |
| } |
| |
| bool toolchains::Android::shouldProvideRPathToLinker() const { |
| return false; |
| } |
| |
| std::string toolchains::Cygwin::getDefaultLinker() const { |
| // Cygwin uses the default BFD linker, even on ARM. |
| return ""; |
| } |
| |
| std::string toolchains::Cygwin::getTargetForLinker() const { |
| return ""; |
| } |
