forked from OSchip/llvm-project
390 lines
12 KiB
C++
390 lines
12 KiB
C++
//===--- ToolChains.h - ToolChain Implementations ---------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef CLANG_LIB_DRIVER_TOOLCHAINS_H_
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#define CLANG_LIB_DRIVER_TOOLCHAINS_H_
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#include "clang/Driver/Action.h"
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#include "clang/Driver/ToolChain.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/Support/Compiler.h"
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#include "Tools.h"
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namespace clang {
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namespace driver {
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namespace toolchains {
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/// Generic_GCC - A tool chain using the 'gcc' command to perform
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/// all subcommands; this relies on gcc translating the majority of
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/// command line options.
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class LLVM_LIBRARY_VISIBILITY Generic_GCC : public ToolChain {
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protected:
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mutable llvm::DenseMap<unsigned, Tool*> Tools;
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public:
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Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple);
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~Generic_GCC();
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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virtual bool IsUnwindTablesDefault() const;
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virtual const char *GetDefaultRelocationModel() const;
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virtual const char *GetForcedPicModel() const;
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};
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/// Darwin - The base Darwin tool chain.
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class LLVM_LIBRARY_VISIBILITY Darwin : public ToolChain {
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public:
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/// The host version.
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unsigned DarwinVersion[3];
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private:
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mutable llvm::DenseMap<unsigned, Tool*> Tools;
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/// Whether the information on the target has been initialized.
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//
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// FIXME: This should be eliminated. What we want to do is make this part of
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// the "default target for arguments" selection process, once we get out of
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// the argument translation business.
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mutable bool TargetInitialized;
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/// Whether we are targeting iPhoneOS target.
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mutable bool TargetIsIPhoneOS;
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/// Whether we are targeting the iPhoneOS simulator target.
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mutable bool TargetIsIPhoneOSSimulator;
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/// The OS version we are targeting.
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mutable unsigned TargetVersion[3];
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/// The default macosx-version-min of this tool chain; empty until
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/// initialized.
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std::string MacosxVersionMin;
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private:
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void AddDeploymentTarget(DerivedArgList &Args) const;
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public:
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Darwin(const HostInfo &Host, const llvm::Triple& Triple);
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~Darwin();
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std::string ComputeEffectiveClangTriple(const ArgList &Args) const;
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/// @name Darwin Specific Toolchain API
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/// {
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// FIXME: Eliminate these ...Target functions and derive separate tool chains
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// for these targets and put version in constructor.
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void setTarget(bool IsIPhoneOS, unsigned Major, unsigned Minor,
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unsigned Micro, bool IsIOSSim) const {
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assert((!IsIOSSim || IsIPhoneOS) && "Unexpected deployment target!");
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// FIXME: For now, allow reinitialization as long as values don't
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// change. This will go away when we move away from argument translation.
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if (TargetInitialized && TargetIsIPhoneOS == IsIPhoneOS &&
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TargetIsIPhoneOSSimulator == IsIOSSim &&
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TargetVersion[0] == Major && TargetVersion[1] == Minor &&
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TargetVersion[2] == Micro)
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return;
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assert(!TargetInitialized && "Target already initialized!");
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TargetInitialized = true;
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TargetIsIPhoneOS = IsIPhoneOS;
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TargetIsIPhoneOSSimulator = IsIOSSim;
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TargetVersion[0] = Major;
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TargetVersion[1] = Minor;
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TargetVersion[2] = Micro;
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}
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bool isTargetIPhoneOS() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetIsIPhoneOS;
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}
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bool isTargetIOSSimulator() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetIsIPhoneOSSimulator;
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}
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bool isTargetInitialized() const { return TargetInitialized; }
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void getTargetVersion(unsigned (&Res)[3]) const {
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assert(TargetInitialized && "Target not initialized!");
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Res[0] = TargetVersion[0];
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Res[1] = TargetVersion[1];
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Res[2] = TargetVersion[2];
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}
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/// getDarwinArchName - Get the "Darwin" arch name for a particular compiler
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/// invocation. For example, Darwin treats different ARM variations as
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/// distinct architectures.
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llvm::StringRef getDarwinArchName(const ArgList &Args) const;
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static bool isVersionLT(unsigned (&A)[3], unsigned (&B)[3]) {
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for (unsigned i=0; i < 3; ++i) {
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if (A[i] > B[i]) return false;
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if (A[i] < B[i]) return true;
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}
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return false;
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}
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bool isIPhoneOSVersionLT(unsigned V0, unsigned V1=0, unsigned V2=0) const {
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assert(isTargetIPhoneOS() && "Unexpected call for OS X target!");
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unsigned B[3] = { V0, V1, V2 };
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return isVersionLT(TargetVersion, B);
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}
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bool isMacosxVersionLT(unsigned V0, unsigned V1=0, unsigned V2=0) const {
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assert(!isTargetIPhoneOS() && "Unexpected call for iPhoneOS target!");
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unsigned B[3] = { V0, V1, V2 };
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return isVersionLT(TargetVersion, B);
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}
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/// AddLinkSearchPathArgs - Add the linker search paths to \arg CmdArgs.
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///
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/// \param Args - The input argument list.
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/// \param CmdArgs [out] - The command argument list to append the paths
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/// (prefixed by -L) to.
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virtual void AddLinkSearchPathArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const = 0;
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/// AddLinkRuntimeLibArgs - Add the linker arguments to link the compiler
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/// runtime library.
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virtual void AddLinkRuntimeLibArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const = 0;
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/// }
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/// @name ToolChain Implementation
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/// {
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virtual types::ID LookupTypeForExtension(const char *Ext) const;
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virtual bool HasNativeLLVMSupport() const;
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virtual DerivedArgList *TranslateArgs(const DerivedArgList &Args,
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const char *BoundArch) const;
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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virtual bool IsBlocksDefault() const {
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// Always allow blocks on Darwin; users interested in versioning are
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// expected to use /usr/include/Blocks.h.
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return true;
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}
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virtual bool IsIntegratedAssemblerDefault() const {
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#ifdef DISABLE_DEFAULT_INTEGRATED_ASSEMBLER
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return false;
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#else
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// Default integrated assembler to on for x86.
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return (getTriple().getArch() == llvm::Triple::x86 ||
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getTriple().getArch() == llvm::Triple::x86_64);
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#endif
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}
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virtual bool IsStrictAliasingDefault() const {
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#ifdef DISABLE_DEFAULT_STRICT_ALIASING
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return false;
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#else
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return ToolChain::IsStrictAliasingDefault();
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#endif
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}
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virtual bool IsObjCDefaultSynthPropertiesDefault() const {
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return false;
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}
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virtual bool IsObjCNonFragileABIDefault() const {
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// Non-fragile ABI is default for everything but i386.
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return getTriple().getArch() != llvm::Triple::x86;
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}
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virtual bool IsObjCLegacyDispatchDefault() const {
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// This is only used with the non-fragile ABI.
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// Legacy dispatch is used everywhere except on x86_64.
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return getTriple().getArch() != llvm::Triple::x86_64;
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}
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virtual bool UseObjCMixedDispatch() const {
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// This is only used with the non-fragile ABI and non-legacy dispatch.
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// Mixed dispatch is used everywhere except OS X before 10.6.
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return !(!isTargetIPhoneOS() && isMacosxVersionLT(10, 6));
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}
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virtual bool IsUnwindTablesDefault() const;
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virtual unsigned GetDefaultStackProtectorLevel() const {
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// Stack protectors default to on for 10.6 and beyond.
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return !isTargetIPhoneOS() && !isMacosxVersionLT(10, 6);
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}
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virtual const char *GetDefaultRelocationModel() const;
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virtual const char *GetForcedPicModel() const;
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virtual bool SupportsProfiling() const;
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virtual bool SupportsObjCGC() const;
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virtual bool UseDwarfDebugFlags() const;
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virtual bool UseSjLjExceptions() const;
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/// }
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};
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/// DarwinClang - The Darwin toolchain used by Clang.
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class LLVM_LIBRARY_VISIBILITY DarwinClang : public Darwin {
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public:
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DarwinClang(const HostInfo &Host, const llvm::Triple& Triple);
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/// @name Darwin ToolChain Implementation
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/// {
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virtual void AddLinkSearchPathArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const;
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virtual void AddLinkRuntimeLibArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const;
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virtual void AddCXXStdlibLibArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const;
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virtual void AddCCKextLibArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const;
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/// }
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};
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/// Darwin_Generic_GCC - Generic Darwin tool chain using gcc.
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class LLVM_LIBRARY_VISIBILITY Darwin_Generic_GCC : public Generic_GCC {
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public:
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Darwin_Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple)
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: Generic_GCC(Host, Triple) {}
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std::string ComputeEffectiveClangTriple(const ArgList &Args) const;
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virtual const char *GetDefaultRelocationModel() const { return "pic"; }
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};
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class LLVM_LIBRARY_VISIBILITY Generic_ELF : public Generic_GCC {
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public:
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Generic_ELF(const HostInfo &Host, const llvm::Triple& Triple)
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: Generic_GCC(Host, Triple) {}
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virtual bool IsIntegratedAssemblerDefault() const {
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// Default integrated assembler to on for x86.
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return (getTriple().getArch() == llvm::Triple::x86 ||
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getTriple().getArch() == llvm::Triple::x86_64);
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}
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};
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class LLVM_LIBRARY_VISIBILITY AuroraUX : public Generic_GCC {
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public:
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AuroraUX(const HostInfo &Host, const llvm::Triple& Triple);
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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};
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class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF {
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public:
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OpenBSD(const HostInfo &Host, const llvm::Triple& Triple);
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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};
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class LLVM_LIBRARY_VISIBILITY FreeBSD : public Generic_ELF {
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public:
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FreeBSD(const HostInfo &Host, const llvm::Triple& Triple);
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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};
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class LLVM_LIBRARY_VISIBILITY NetBSD : public Generic_ELF {
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const llvm::Triple ToolTriple;
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public:
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NetBSD(const HostInfo &Host, const llvm::Triple& Triple,
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const llvm::Triple& ToolTriple);
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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};
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class LLVM_LIBRARY_VISIBILITY Minix : public Generic_GCC {
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public:
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Minix(const HostInfo &Host, const llvm::Triple& Triple);
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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};
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class LLVM_LIBRARY_VISIBILITY DragonFly : public Generic_ELF {
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public:
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DragonFly(const HostInfo &Host, const llvm::Triple& Triple);
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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};
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class LLVM_LIBRARY_VISIBILITY Linux : public Generic_ELF {
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public:
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Linux(const HostInfo &Host, const llvm::Triple& Triple);
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virtual bool HasNativeLLVMSupport() const;
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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std::string Linker;
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std::vector<std::string> ExtraOpts;
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};
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/// TCEToolChain - A tool chain using the llvm bitcode tools to perform
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/// all subcommands. See http://tce.cs.tut.fi for our peculiar target.
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class LLVM_LIBRARY_VISIBILITY TCEToolChain : public ToolChain {
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public:
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TCEToolChain(const HostInfo &Host, const llvm::Triple& Triple);
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~TCEToolChain();
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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bool IsMathErrnoDefault() const;
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bool IsUnwindTablesDefault() const;
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const char* GetDefaultRelocationModel() const;
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const char* GetForcedPicModel() const;
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private:
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mutable llvm::DenseMap<unsigned, Tool*> Tools;
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};
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class LLVM_LIBRARY_VISIBILITY Windows : public ToolChain {
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mutable llvm::DenseMap<unsigned, Tool*> Tools;
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public:
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Windows(const HostInfo &Host, const llvm::Triple& Triple);
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virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const;
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virtual bool IsIntegratedAssemblerDefault() const;
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virtual bool IsUnwindTablesDefault() const;
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virtual const char *GetDefaultRelocationModel() const;
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virtual const char *GetForcedPicModel() const;
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};
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} // end namespace toolchains
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} // end namespace driver
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} // end namespace clang
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#endif
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