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Diffstat (limited to 'contrib/llvm/tools/clang/lib/Driver/ToolChains.h')
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diff --git a/contrib/llvm/tools/clang/lib/Driver/ToolChains.h b/contrib/llvm/tools/clang/lib/Driver/ToolChains.h new file mode 100644 index 0000000..f4b6b15 --- /dev/null +++ b/contrib/llvm/tools/clang/lib/Driver/ToolChains.h @@ -0,0 +1,1146 @@ +//===--- ToolChains.h - ToolChain Implementations ---------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_H +#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_H + +#include "Tools.h" +#include "clang/Basic/VersionTuple.h" +#include "clang/Driver/Action.h" +#include "clang/Driver/Multilib.h" +#include "clang/Driver/ToolChain.h" +#include "llvm/ADT/DenseMap.h" +#include "llvm/ADT/Optional.h" +#include "llvm/Support/Compiler.h" +#include <set> +#include <vector> + +namespace clang { +namespace driver { +namespace toolchains { + +/// Generic_GCC - A tool chain using the 'gcc' command to perform +/// all subcommands; this relies on gcc translating the majority of +/// command line options. +class LLVM_LIBRARY_VISIBILITY Generic_GCC : public ToolChain { +public: + /// \brief Struct to store and manipulate GCC versions. + /// + /// We rely on assumptions about the form and structure of GCC version + /// numbers: they consist of at most three '.'-separated components, and each + /// component is a non-negative integer except for the last component. For + /// the last component we are very flexible in order to tolerate release + /// candidates or 'x' wildcards. + /// + /// Note that the ordering established among GCCVersions is based on the + /// preferred version string to use. For example we prefer versions without + /// a hard-coded patch number to those with a hard coded patch number. + /// + /// Currently this doesn't provide any logic for textual suffixes to patches + /// in the way that (for example) Debian's version format does. If that ever + /// becomes necessary, it can be added. + struct GCCVersion { + /// \brief The unparsed text of the version. + std::string Text; + + /// \brief The parsed major, minor, and patch numbers. + int Major, Minor, Patch; + + /// \brief The text of the parsed major, and major+minor versions. + std::string MajorStr, MinorStr; + + /// \brief Any textual suffix on the patch number. + std::string PatchSuffix; + + static GCCVersion Parse(StringRef VersionText); + bool isOlderThan(int RHSMajor, int RHSMinor, int RHSPatch, + StringRef RHSPatchSuffix = StringRef()) const; + bool operator<(const GCCVersion &RHS) const { + return isOlderThan(RHS.Major, RHS.Minor, RHS.Patch, RHS.PatchSuffix); + } + bool operator>(const GCCVersion &RHS) const { return RHS < *this; } + bool operator<=(const GCCVersion &RHS) const { return !(*this > RHS); } + bool operator>=(const GCCVersion &RHS) const { return !(*this < RHS); } + }; + + /// \brief This is a class to find a viable GCC installation for Clang to + /// use. + /// + /// This class tries to find a GCC installation on the system, and report + /// information about it. It starts from the host information provided to the + /// Driver, and has logic for fuzzing that where appropriate. + class GCCInstallationDetector { + bool IsValid; + llvm::Triple GCCTriple; + const Driver &D; + + // FIXME: These might be better as path objects. + std::string GCCInstallPath; + std::string GCCParentLibPath; + + /// The primary multilib appropriate for the given flags. + Multilib SelectedMultilib; + /// On Biarch systems, this corresponds to the default multilib when + /// targeting the non-default multilib. Otherwise, it is empty. + llvm::Optional<Multilib> BiarchSibling; + + GCCVersion Version; + + // We retain the list of install paths that were considered and rejected in + // order to print out detailed information in verbose mode. + std::set<std::string> CandidateGCCInstallPaths; + + /// The set of multilibs that the detected installation supports. + MultilibSet Multilibs; + + public: + explicit GCCInstallationDetector(const Driver &D) : IsValid(false), D(D) {} + void init(const llvm::Triple &TargetTriple, const llvm::opt::ArgList &Args, + ArrayRef<std::string> ExtraTripleAliases = None); + + /// \brief Check whether we detected a valid GCC install. + bool isValid() const { return IsValid; } + + /// \brief Get the GCC triple for the detected install. + const llvm::Triple &getTriple() const { return GCCTriple; } + + /// \brief Get the detected GCC installation path. + StringRef getInstallPath() const { return GCCInstallPath; } + + /// \brief Get the detected GCC parent lib path. + StringRef getParentLibPath() const { return GCCParentLibPath; } + + /// \brief Get the detected Multilib + const Multilib &getMultilib() const { return SelectedMultilib; } + + /// \brief Get the whole MultilibSet + const MultilibSet &getMultilibs() const { return Multilibs; } + + /// Get the biarch sibling multilib (if it exists). + /// \return true iff such a sibling exists + bool getBiarchSibling(Multilib &M) const; + + /// \brief Get the detected GCC version string. + const GCCVersion &getVersion() const { return Version; } + + /// \brief Print information about the detected GCC installation. + void print(raw_ostream &OS) const; + + private: + static void + CollectLibDirsAndTriples(const llvm::Triple &TargetTriple, + const llvm::Triple &BiarchTriple, + SmallVectorImpl<StringRef> &LibDirs, + SmallVectorImpl<StringRef> &TripleAliases, + SmallVectorImpl<StringRef> &BiarchLibDirs, + SmallVectorImpl<StringRef> &BiarchTripleAliases); + + void ScanLibDirForGCCTriple(const llvm::Triple &TargetArch, + const llvm::opt::ArgList &Args, + const std::string &LibDir, + StringRef CandidateTriple, + bool NeedsBiarchSuffix = false); + + void scanLibDirForGCCTripleSolaris(const llvm::Triple &TargetArch, + const llvm::opt::ArgList &Args, + const std::string &LibDir, + StringRef CandidateTriple, + bool NeedsBiarchSuffix = false); + }; + +protected: + GCCInstallationDetector GCCInstallation; + + // \brief A class to find a viable CUDA installation + + class CudaInstallationDetector { + bool IsValid; + const Driver &D; + std::string CudaInstallPath; + std::string CudaLibPath; + std::string CudaLibDevicePath; + std::string CudaIncludePath; + llvm::StringMap<std::string> CudaLibDeviceMap; + + public: + CudaInstallationDetector(const Driver &D) : IsValid(false), D(D) {} + void init(const llvm::Triple &TargetTriple, const llvm::opt::ArgList &Args); + + /// \brief Check whether we detected a valid Cuda install. + bool isValid() const { return IsValid; } + /// \brief Print information about the detected CUDA installation. + void print(raw_ostream &OS) const; + + /// \brief Get the detected Cuda installation path. + StringRef getInstallPath() const { return CudaInstallPath; } + /// \brief Get the detected Cuda Include path. + StringRef getIncludePath() const { return CudaIncludePath; } + /// \brief Get the detected Cuda library path. + StringRef getLibPath() const { return CudaLibPath; } + /// \brief Get the detected Cuda device library path. + StringRef getLibDevicePath() const { return CudaLibDevicePath; } + /// \brief Get libdevice file for given architecture + std::string getLibDeviceFile(StringRef Gpu) const { + return CudaLibDeviceMap.lookup(Gpu); + } + }; + + CudaInstallationDetector CudaInstallation; + +public: + Generic_GCC(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + ~Generic_GCC() override; + + void printVerboseInfo(raw_ostream &OS) const override; + + bool IsUnwindTablesDefault() const override; + bool isPICDefault() const override; + bool isPIEDefault() const override; + bool isPICDefaultForced() const override; + bool IsIntegratedAssemblerDefault() const override; + +protected: + Tool *getTool(Action::ActionClass AC) const override; + Tool *buildAssembler() const override; + Tool *buildLinker() const override; + + /// \name ToolChain Implementation Helper Functions + /// @{ + + /// \brief Check whether the target triple's architecture is 64-bits. + bool isTarget64Bit() const { return getTriple().isArch64Bit(); } + + /// \brief Check whether the target triple's architecture is 32-bits. + bool isTarget32Bit() const { return getTriple().isArch32Bit(); } + + bool addLibStdCXXIncludePaths(Twine Base, Twine Suffix, StringRef GCCTriple, + StringRef GCCMultiarchTriple, + StringRef TargetMultiarchTriple, + Twine IncludeSuffix, + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const; + + /// @} + +private: + mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocess; + mutable std::unique_ptr<tools::gcc::Compiler> Compile; +}; + +class LLVM_LIBRARY_VISIBILITY MachO : public ToolChain { +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; + Tool *getTool(Action::ActionClass AC) const override; + +private: + mutable std::unique_ptr<tools::darwin::Lipo> Lipo; + mutable std::unique_ptr<tools::darwin::Dsymutil> Dsymutil; + mutable std::unique_ptr<tools::darwin::VerifyDebug> VerifyDebug; + +public: + MachO(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + ~MachO() override; + + /// @name MachO specific toolchain API + /// { + + /// Get the "MachO" arch name for a particular compiler invocation. For + /// example, Apple treats different ARM variations as distinct architectures. + StringRef getMachOArchName(const llvm::opt::ArgList &Args) const; + + /// Add the linker arguments to link the ARC runtime library. + virtual void AddLinkARCArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const {} + + /// Add the linker arguments to link the compiler runtime library. + virtual void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const; + + virtual void addStartObjectFileArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const { + } + + virtual void addMinVersionArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const {} + + /// On some iOS platforms, kernel and kernel modules were built statically. Is + /// this such a target? + virtual bool isKernelStatic() const { return false; } + + /// Is the target either iOS or an iOS simulator? + bool isTargetIOSBased() const { return false; } + + void AddLinkRuntimeLib(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs, + StringRef DarwinLibName, bool AlwaysLink = false, + bool IsEmbedded = false, bool AddRPath = false) const; + + /// Add any profiling runtime libraries that are needed. This is essentially a + /// MachO specific version of addProfileRT in Tools.cpp. + void addProfileRTLibs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override { + // There aren't any profiling libs for embedded targets currently. + } + + /// } + /// @name ToolChain Implementation + /// { + + std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args, + types::ID InputType) const override; + + types::ID LookupTypeForExtension(const char *Ext) const override; + + bool HasNativeLLVMSupport() const override; + + llvm::opt::DerivedArgList * + TranslateArgs(const llvm::opt::DerivedArgList &Args, + const char *BoundArch) const override; + + bool IsBlocksDefault() const override { + // Always allow blocks on Apple; users interested in versioning are + // expected to use /usr/include/Block.h. + return true; + } + bool IsIntegratedAssemblerDefault() const override { + // Default integrated assembler to on for Apple's MachO targets. + return true; + } + + bool IsMathErrnoDefault() const override { return false; } + + bool IsEncodeExtendedBlockSignatureDefault() const override { return true; } + + bool IsObjCNonFragileABIDefault() const override { + // Non-fragile ABI is default for everything but i386. + return getTriple().getArch() != llvm::Triple::x86; + } + + bool UseObjCMixedDispatch() const override { return true; } + + bool IsUnwindTablesDefault() const override; + + RuntimeLibType GetDefaultRuntimeLibType() const override { + return ToolChain::RLT_CompilerRT; + } + + bool isPICDefault() const override; + bool isPIEDefault() const override; + bool isPICDefaultForced() const override; + + bool SupportsProfiling() const override; + + bool SupportsObjCGC() const override { return false; } + + bool UseDwarfDebugFlags() const override; + + bool UseSjLjExceptions(const llvm::opt::ArgList &Args) const override { + return false; + } + + /// } +}; + +/// Darwin - The base Darwin tool chain. +class LLVM_LIBRARY_VISIBILITY Darwin : public MachO { +public: + /// Whether the information on the target has been initialized. + // + // FIXME: This should be eliminated. What we want to do is make this part of + // the "default target for arguments" selection process, once we get out of + // the argument translation business. + mutable bool TargetInitialized; + + enum DarwinPlatformKind { + MacOS, + IPhoneOS, + IPhoneOSSimulator, + TvOS, + TvOSSimulator, + WatchOS, + WatchOSSimulator + }; + + mutable DarwinPlatformKind TargetPlatform; + + /// The OS version we are targeting. + mutable VersionTuple TargetVersion; + +private: + void AddDeploymentTarget(llvm::opt::DerivedArgList &Args) const; + +public: + Darwin(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + ~Darwin() override; + + std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args, + types::ID InputType) const override; + + /// @name Apple Specific Toolchain Implementation + /// { + + void addMinVersionArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + void addStartObjectFileArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + bool isKernelStatic() const override { + return (!(isTargetIPhoneOS() && !isIPhoneOSVersionLT(6, 0)) && + !isTargetWatchOS()); + } + + void addProfileRTLibs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + +protected: + /// } + /// @name Darwin specific Toolchain functions + /// { + + // FIXME: Eliminate these ...Target functions and derive separate tool chains + // for these targets and put version in constructor. + void setTarget(DarwinPlatformKind Platform, unsigned Major, unsigned Minor, + unsigned Micro) const { + // FIXME: For now, allow reinitialization as long as values don't + // change. This will go away when we move away from argument translation. + if (TargetInitialized && TargetPlatform == Platform && + TargetVersion == VersionTuple(Major, Minor, Micro)) + return; + + assert(!TargetInitialized && "Target already initialized!"); + TargetInitialized = true; + TargetPlatform = Platform; + TargetVersion = VersionTuple(Major, Minor, Micro); + } + + bool isTargetIPhoneOS() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == IPhoneOS || TargetPlatform == TvOS; + } + + bool isTargetIOSSimulator() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == IPhoneOSSimulator || + TargetPlatform == TvOSSimulator; + } + + bool isTargetIOSBased() const { + assert(TargetInitialized && "Target not initialized!"); + return isTargetIPhoneOS() || isTargetIOSSimulator(); + } + + bool isTargetTvOS() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == TvOS; + } + + bool isTargetTvOSSimulator() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == TvOSSimulator; + } + + bool isTargetTvOSBased() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == TvOS || TargetPlatform == TvOSSimulator; + } + + bool isTargetWatchOS() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == WatchOS; + } + + bool isTargetWatchOSSimulator() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == WatchOSSimulator; + } + + bool isTargetWatchOSBased() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == WatchOS || TargetPlatform == WatchOSSimulator; + } + + bool isTargetMacOS() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetPlatform == MacOS; + } + + bool isTargetInitialized() const { return TargetInitialized; } + + VersionTuple getTargetVersion() const { + assert(TargetInitialized && "Target not initialized!"); + return TargetVersion; + } + + bool isIPhoneOSVersionLT(unsigned V0, unsigned V1 = 0, + unsigned V2 = 0) const { + assert(isTargetIOSBased() && "Unexpected call for non iOS target!"); + return TargetVersion < VersionTuple(V0, V1, V2); + } + + bool isMacosxVersionLT(unsigned V0, unsigned V1 = 0, unsigned V2 = 0) const { + assert(isTargetMacOS() && "Unexpected call for non OS X target!"); + return TargetVersion < VersionTuple(V0, V1, V2); + } + +public: + /// } + /// @name ToolChain Implementation + /// { + + // Darwin tools support multiple architecture (e.g., i386 and x86_64) and + // most development is done against SDKs, so compiling for a different + // architecture should not get any special treatment. + bool isCrossCompiling() const override { return false; } + + llvm::opt::DerivedArgList * + TranslateArgs(const llvm::opt::DerivedArgList &Args, + const char *BoundArch) const override; + + ObjCRuntime getDefaultObjCRuntime(bool isNonFragile) const override; + bool hasBlocksRuntime() const override; + + bool UseObjCMixedDispatch() const override { + // This is only used with the non-fragile ABI and non-legacy dispatch. + + // Mixed dispatch is used everywhere except OS X before 10.6. + return !(isTargetMacOS() && isMacosxVersionLT(10, 6)); + } + + unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override { + // Stack protectors default to on for user code on 10.5, + // and for everything in 10.6 and beyond + if (isTargetIOSBased() || isTargetWatchOSBased()) + return 1; + else if (isTargetMacOS() && !isMacosxVersionLT(10, 6)) + return 1; + else if (isTargetMacOS() && !isMacosxVersionLT(10, 5) && !KernelOrKext) + return 1; + + return 0; + } + + bool SupportsObjCGC() const override; + + void CheckObjCARC() const override; + + bool UseSjLjExceptions(const llvm::opt::ArgList &Args) const override; + + SanitizerMask getSupportedSanitizers() const override; +}; + +/// DarwinClang - The Darwin toolchain used by Clang. +class LLVM_LIBRARY_VISIBILITY DarwinClang : public Darwin { +public: + DarwinClang(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + /// @name Apple ToolChain Implementation + /// { + + void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + void AddCCKextLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) const override; + + void AddLinkARCArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + unsigned GetDefaultDwarfVersion() const override { return 2; } + // Until dtrace (via CTF) and LLDB can deal with distributed debug info, + // Darwin defaults to standalone/full debug info. + bool GetDefaultStandaloneDebug() const override { return true; } + llvm::DebuggerKind getDefaultDebuggerTuning() const override { + return llvm::DebuggerKind::LLDB; + } + + /// } + +private: + void AddLinkSanitizerLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs, + StringRef Sanitizer) const; +}; + +class LLVM_LIBRARY_VISIBILITY Generic_ELF : public Generic_GCC { + virtual void anchor(); + +public: + Generic_ELF(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args) + : Generic_GCC(D, Triple, Args) {} + + void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; +}; + +class LLVM_LIBRARY_VISIBILITY CloudABI : public Generic_ELF { +public: + CloudABI(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + bool HasNativeLLVMSupport() const override { return true; } + + bool IsMathErrnoDefault() const override { return false; } + bool IsObjCNonFragileABIDefault() const override { return true; } + + CXXStdlibType + GetCXXStdlibType(const llvm::opt::ArgList &Args) const override { + return ToolChain::CST_Libcxx; + } + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + bool isPIEDefault() const override { return false; } + +protected: + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY Solaris : public Generic_GCC { +public: + Solaris(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + bool IsIntegratedAssemblerDefault() const override { return true; } + + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + + unsigned GetDefaultDwarfVersion() const override { return 2; } + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY MinGW : public ToolChain { +public: + MinGW(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + bool IsIntegratedAssemblerDefault() const override; + bool IsUnwindTablesDefault() const override; + bool isPICDefault() const override; + bool isPIEDefault() const override; + bool isPICDefaultForced() const override; + bool UseSEHExceptions() const; + + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + +protected: + Tool *getTool(Action::ActionClass AC) const override; + Tool *buildLinker() const override; + Tool *buildAssembler() const override; + +private: + std::string Base; + std::string GccLibDir; + std::string Ver; + std::string Arch; + mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocessor; + mutable std::unique_ptr<tools::gcc::Compiler> Compiler; + void findGccLibDir(); +}; + +class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF { +public: + OpenBSD(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + bool IsMathErrnoDefault() const override { return false; } + bool IsObjCNonFragileABIDefault() const override { return true; } + bool isPIEDefault() const override { return true; } + + unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override { + return 2; + } + unsigned GetDefaultDwarfVersion() const override { return 2; } + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY Bitrig : public Generic_ELF { +public: + Bitrig(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + bool IsMathErrnoDefault() const override { return false; } + bool IsObjCNonFragileABIDefault() const override { return true; } + + CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override { + return 1; + } + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY FreeBSD : public Generic_ELF { +public: + FreeBSD(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + bool HasNativeLLVMSupport() const override; + + bool IsMathErrnoDefault() const override { return false; } + bool IsObjCNonFragileABIDefault() const override { return true; } + + CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + + bool UseSjLjExceptions(const llvm::opt::ArgList &Args) const override; + bool isPIEDefault() const override; + SanitizerMask getSupportedSanitizers() const override; + unsigned GetDefaultDwarfVersion() const override { return 2; } + // Until dtrace (via CTF) and LLDB can deal with distributed debug info, + // FreeBSD defaults to standalone/full debug info. + bool GetDefaultStandaloneDebug() const override { return true; } + llvm::DebuggerKind getDefaultDebuggerTuning() const override { + return llvm::DebuggerKind::LLDB; + } + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY NetBSD : public Generic_ELF { +public: + NetBSD(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + bool IsMathErrnoDefault() const override { return false; } + bool IsObjCNonFragileABIDefault() const override { return true; } + + CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override; + + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + bool IsUnwindTablesDefault() const override { return true; } + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY Minix : public Generic_ELF { +public: + Minix(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY DragonFly : public Generic_ELF { +public: + DragonFly(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + bool IsMathErrnoDefault() const override { return false; } + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY Linux : public Generic_ELF { +public: + Linux(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + bool HasNativeLLVMSupport() const override; + + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + bool isPIEDefault() const override; + SanitizerMask getSupportedSanitizers() const override; + void addProfileRTLibs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + virtual std::string computeSysRoot() const; + + std::vector<std::string> ExtraOpts; + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY CudaToolChain : public Linux { +public: + CudaToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + llvm::opt::DerivedArgList * + TranslateArgs(const llvm::opt::DerivedArgList &Args, + const char *BoundArch) const override; + void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; +}; + +class LLVM_LIBRARY_VISIBILITY MipsLLVMToolChain : public Linux { +protected: + Tool *buildLinker() const override; + +public: + MipsLLVMToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + + CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override; + + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + + void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component, + bool Shared = false) const override; + + std::string computeSysRoot() const override; + + RuntimeLibType GetDefaultRuntimeLibType() const override { + return GCCInstallation.isValid() ? RuntimeLibType::RLT_Libgcc + : RuntimeLibType::RLT_CompilerRT; + } + +private: + Multilib SelectedMultilib; + std::string LibSuffix; +}; + +class LLVM_LIBRARY_VISIBILITY HexagonToolChain : public Linux { +protected: + GCCVersion GCCLibAndIncVersion; + Tool *buildAssembler() const override; + Tool *buildLinker() const override; + +public: + HexagonToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + ~HexagonToolChain() override; + + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override; + + StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; } + bool IsIntegratedAssemblerDefault() const override { + return true; + } + + std::string getHexagonTargetDir( + const std::string &InstalledDir, + const SmallVectorImpl<std::string> &PrefixDirs) const; + void getHexagonLibraryPaths(const llvm::opt::ArgList &Args, + ToolChain::path_list &LibPaths) const; + + static const StringRef GetDefaultCPU(); + static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args); + + static Optional<unsigned> getSmallDataThreshold( + const llvm::opt::ArgList &Args); +}; + +class LLVM_LIBRARY_VISIBILITY AMDGPUToolChain : public Generic_ELF { +protected: + Tool *buildLinker() const override; + +public: + AMDGPUToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + bool IsIntegratedAssemblerDefault() const override { return true; } +}; + +class LLVM_LIBRARY_VISIBILITY NaClToolChain : public Generic_ELF { +public: + NaClToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + + CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override; + + void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + bool IsIntegratedAssemblerDefault() const override { + return getTriple().getArch() == llvm::Triple::mipsel; + } + + // Get the path to the file containing NaCl's ARM macros. + // It lives in NaClToolChain because the ARMAssembler tool needs a + // const char * that it can pass around, + const char *GetNaClArmMacrosPath() const { return NaClArmMacrosPath.c_str(); } + + std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args, + types::ID InputType) const override; + +protected: + Tool *buildLinker() const override; + Tool *buildAssembler() const override; + +private: + std::string NaClArmMacrosPath; +}; + +/// TCEToolChain - A tool chain using the llvm bitcode tools to perform +/// all subcommands. See http://tce.cs.tut.fi for our peculiar target. +class LLVM_LIBRARY_VISIBILITY TCEToolChain : public ToolChain { +public: + TCEToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + ~TCEToolChain() override; + + bool IsMathErrnoDefault() const override; + bool isPICDefault() const override; + bool isPIEDefault() const override; + bool isPICDefaultForced() const override; +}; + +class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain { +public: + MSVCToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + llvm::opt::DerivedArgList * + TranslateArgs(const llvm::opt::DerivedArgList &Args, + const char *BoundArch) const override; + + bool IsIntegratedAssemblerDefault() const override; + bool IsUnwindTablesDefault() const override; + bool isPICDefault() const override; + bool isPIEDefault() const override; + bool isPICDefaultForced() const override; + + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + + bool getWindowsSDKDir(std::string &path, int &major, + std::string &windowsSDKIncludeVersion, + std::string &windowsSDKLibVersion) const; + bool getWindowsSDKLibraryPath(std::string &path) const; + /// \brief Check if Universal CRT should be used if available + bool useUniversalCRT(std::string &visualStudioDir) const; + bool getUniversalCRTSdkDir(std::string &path, std::string &ucrtVersion) const; + bool getUniversalCRTLibraryPath(std::string &path) const; + bool getVisualStudioInstallDir(std::string &path) const; + bool getVisualStudioBinariesFolder(const char *clangProgramPath, + std::string &path) const; + + std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args, + types::ID InputType) const override; + SanitizerMask getSupportedSanitizers() const override; + +protected: + void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args, + const std::string &folder, + const Twine &subfolder1, + const Twine &subfolder2 = "", + const Twine &subfolder3 = "") const; + + Tool *buildLinker() const override; + Tool *buildAssembler() const override; +}; + +class LLVM_LIBRARY_VISIBILITY CrossWindowsToolChain : public Generic_GCC { +public: + CrossWindowsToolChain(const Driver &D, const llvm::Triple &T, + const llvm::opt::ArgList &Args); + + bool IsIntegratedAssemblerDefault() const override { return true; } + bool IsUnwindTablesDefault() const override; + bool isPICDefault() const override; + bool isPIEDefault() const override; + bool isPICDefaultForced() const override; + + unsigned int GetDefaultStackProtectorLevel(bool KernelOrKext) const override { + return 0; + } + + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; + + SanitizerMask getSupportedSanitizers() const override; + +protected: + Tool *buildLinker() const override; + Tool *buildAssembler() const override; +}; + +class LLVM_LIBRARY_VISIBILITY XCoreToolChain : public ToolChain { +public: + XCoreToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; + +public: + bool isPICDefault() const override; + bool isPIEDefault() const override; + bool isPICDefaultForced() const override; + bool SupportsProfiling() const override; + bool hasBlocksRuntime() const override; + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const override; +}; + +/// MyriadToolChain - A tool chain using either clang or the external compiler +/// installed by the Movidius SDK to perform all subcommands. +class LLVM_LIBRARY_VISIBILITY MyriadToolChain : public Generic_GCC { +public: + MyriadToolChain(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + ~MyriadToolChain() override; + + void + AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + void AddClangCXXStdlibIncludeArgs( + const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + Tool *SelectTool(const JobAction &JA) const override; + unsigned GetDefaultDwarfVersion() const override { return 2; } + +protected: + Tool *buildLinker() const override; + bool isShaveCompilation(const llvm::Triple &T) const { + return T.getArch() == llvm::Triple::shave; + } + +private: + mutable std::unique_ptr<Tool> Compiler; + mutable std::unique_ptr<Tool> Assembler; +}; + +class LLVM_LIBRARY_VISIBILITY WebAssembly final : public ToolChain { +public: + WebAssembly(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + +private: + bool IsMathErrnoDefault() const override; + bool IsObjCNonFragileABIDefault() const override; + bool UseObjCMixedDispatch() const override; + bool isPICDefault() const override; + bool isPIEDefault() const override; + bool isPICDefaultForced() const override; + bool IsIntegratedAssemblerDefault() const override; + bool hasBlocksRuntime() const override; + bool SupportsObjCGC() const override; + bool SupportsProfiling() const override; + bool HasNativeLLVMSupport() const override; + void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const override; + + Tool *buildLinker() const override; +}; + +class LLVM_LIBRARY_VISIBILITY PS4CPU : public Generic_ELF { +public: + PS4CPU(const Driver &D, const llvm::Triple &Triple, + const llvm::opt::ArgList &Args); + + bool IsMathErrnoDefault() const override { return false; } + bool IsObjCNonFragileABIDefault() const override { return true; } + bool HasNativeLLVMSupport() const override; + bool isPICDefault() const override; + + unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override { + return 2; // SSPStrong + } + + llvm::DebuggerKind getDefaultDebuggerTuning() const override { + return llvm::DebuggerKind::SCE; + } + + SanitizerMask getSupportedSanitizers() const override; + +protected: + Tool *buildAssembler() const override; + Tool *buildLinker() const override; +}; + +} // end namespace toolchains +} // end namespace driver +} // end namespace clang + +#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_H |
