diff options
Diffstat (limited to 'lib/Driver/ToolChains/Darwin.h')
| -rw-r--r-- | lib/Driver/ToolChains/Darwin.h | 488 |
1 files changed, 488 insertions, 0 deletions
diff --git a/lib/Driver/ToolChains/Darwin.h b/lib/Driver/ToolChains/Darwin.h new file mode 100644 index 0000000000..984f8ef0c4 --- /dev/null +++ b/lib/Driver/ToolChains/Darwin.h @@ -0,0 +1,488 @@ +//===--- Darwin.h - Darwin 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_DARWIN_H +#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_DARWIN_H + +#include "Cuda.h" +#include "clang/Driver/Tool.h" +#include "clang/Driver/ToolChain.h" + +namespace clang { +namespace driver { + +namespace toolchains { +class MachO; +} // end namespace toolchains + +namespace tools { + +namespace darwin { +llvm::Triple::ArchType getArchTypeForMachOArchName(StringRef Str); +void setTripleTypeForMachOArchName(llvm::Triple &T, StringRef Str); + +class LLVM_LIBRARY_VISIBILITY MachOTool : public Tool { + virtual void anchor(); + +protected: + void AddMachOArch(const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs) const; + + const toolchains::MachO &getMachOToolChain() const { + return reinterpret_cast<const toolchains::MachO &>(getToolChain()); + } + +public: + MachOTool( + const char *Name, const char *ShortName, const ToolChain &TC, + ResponseFileSupport ResponseSupport = RF_None, + llvm::sys::WindowsEncodingMethod ResponseEncoding = llvm::sys::WEM_UTF8, + const char *ResponseFlag = "@") + : Tool(Name, ShortName, TC, ResponseSupport, ResponseEncoding, + ResponseFlag) {} +}; + +class LLVM_LIBRARY_VISIBILITY Assembler : public MachOTool { +public: + Assembler(const ToolChain &TC) + : MachOTool("darwin::Assembler", "assembler", TC) {} + + bool hasIntegratedCPP() const override { return false; } + + void ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, const InputInfoList &Inputs, + const llvm::opt::ArgList &TCArgs, + const char *LinkingOutput) const override; +}; + +class LLVM_LIBRARY_VISIBILITY Linker : public MachOTool { + bool NeedsTempPath(const InputInfoList &Inputs) const; + void AddLinkArgs(Compilation &C, const llvm::opt::ArgList &Args, + llvm::opt::ArgStringList &CmdArgs, + const InputInfoList &Inputs) const; + +public: + Linker(const ToolChain &TC) + : MachOTool("darwin::Linker", "linker", TC, RF_FileList, + llvm::sys::WEM_UTF8, "-filelist") {} + + bool hasIntegratedCPP() const override { return false; } + bool isLinkJob() const override { return true; } + + void ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, const InputInfoList &Inputs, + const llvm::opt::ArgList &TCArgs, + const char *LinkingOutput) const override; +}; + +class LLVM_LIBRARY_VISIBILITY Lipo : public MachOTool { +public: + Lipo(const ToolChain &TC) : MachOTool("darwin::Lipo", "lipo", TC) {} + + bool hasIntegratedCPP() const override { return false; } + + void ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, const InputInfoList &Inputs, + const llvm::opt::ArgList &TCArgs, + const char *LinkingOutput) const override; +}; + +class LLVM_LIBRARY_VISIBILITY Dsymutil : public MachOTool { +public: + Dsymutil(const ToolChain &TC) + : MachOTool("darwin::Dsymutil", "dsymutil", TC) {} + + bool hasIntegratedCPP() const override { return false; } + bool isDsymutilJob() const override { return true; } + + void ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, const InputInfoList &Inputs, + const llvm::opt::ArgList &TCArgs, + const char *LinkingOutput) const override; +}; + +class LLVM_LIBRARY_VISIBILITY VerifyDebug : public MachOTool { +public: + VerifyDebug(const ToolChain &TC) + : MachOTool("darwin::VerifyDebug", "dwarfdump", TC) {} + + bool hasIntegratedCPP() const override { return false; } + + void ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, const InputInfoList &Inputs, + const llvm::opt::ArgList &TCArgs, + const char *LinkingOutput) const override; +}; +} // end namespace darwin +} // end namespace tools + +namespace toolchains { + +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 + /// { + + types::ID LookupTypeForExtension(StringRef Ext) const override; + + bool HasNativeLLVMSupport() const override; + + llvm::opt::DerivedArgList * + TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch, + Action::OffloadKind DeviceOffloadKind) 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; + + CudaInstallationDetector CudaInstallation; + +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); + } + + StringRef getPlatformFamily() const; + static StringRef getSDKName(StringRef isysroot); + StringRef getOSLibraryNameSuffix() const; + +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, StringRef BoundArch, + Action::OffloadKind DeviceOffloadKind) const override; + + CXXStdlibType GetDefaultCXXStdlibType() const override; + ObjCRuntime getDefaultObjCRuntime(bool isNonFragile) const override; + bool hasBlocksRuntime() const override; + + void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) 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; + + bool SupportsEmbeddedBitcode() const override; + + SanitizerMask getSupportedSanitizers() const override; + + void printVerboseInfo(raw_ostream &OS) 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 + /// { + + RuntimeLibType GetRuntimeLibType(const llvm::opt::ArgList &Args) const override; + + 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; + // 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; +}; + +} // end namespace toolchains +} // end namespace driver +} // end namespace clang + +#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_DARWIN_H |