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llvm-project/clang/lib/Driver/ToolChains.h

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//===--- 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; }
/// }
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; }
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)
: ToolChain(D, Triple, 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;
void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) 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
}
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
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