//===-- llvm/ADT/Triple.h - Target triple helper class ----------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef LLVM_ADT_TRIPLE_H #define LLVM_ADT_TRIPLE_H #include "llvm/ADT/Twine.h" // Some system headers or GCC predefined macros conflict with identifiers in // this file. Undefine them here. #undef NetBSD #undef mips #undef sparc namespace llvm { /// Triple - Helper class for working with autoconf configuration names. For /// historical reasons, we also call these 'triples' (they used to contain /// exactly three fields). /// /// Configuration names are strings in the canonical form: /// ARCHITECTURE-VENDOR-OPERATING_SYSTEM /// or /// ARCHITECTURE-VENDOR-OPERATING_SYSTEM-ENVIRONMENT /// /// This class is used for clients which want to support arbitrary /// configuration names, but also want to implement certain special /// behavior for particular configurations. This class isolates the mapping /// from the components of the configuration name to well known IDs. /// /// At its core the Triple class is designed to be a wrapper for a triple /// string; the constructor does not change or normalize the triple string. /// Clients that need to handle the non-canonical triples that users often /// specify should use the normalize method. /// /// See autoconf/config.guess for a glimpse into what configuration names /// look like in practice. class Triple { public: enum ArchType { UnknownArch, arm, // ARM: arm, armv.*, xscale arm64, // ARM: arm64 aarch64, // AArch64: aarch64 hexagon, // Hexagon: hexagon mips, // MIPS: mips, mipsallegrex mipsel, // MIPSEL: mipsel, mipsallegrexel mips64, // MIPS64: mips64 mips64el,// MIPS64EL: mips64el msp430, // MSP430: msp430 ppc, // PPC: powerpc ppc64, // PPC64: powerpc64, ppu ppc64le, // PPC64LE: powerpc64le r600, // R600: AMD GPUs HD2XXX - HD6XXX sparc, // Sparc: sparc sparcv9, // Sparcv9: Sparcv9 systemz, // SystemZ: s390x tce, // TCE (http://tce.cs.tut.fi/): tce thumb, // Thumb: thumb, thumbv.* x86, // X86: i[3-9]86 x86_64, // X86-64: amd64, x86_64 xcore, // XCore: xcore nvptx, // NVPTX: 32-bit nvptx64, // NVPTX: 64-bit gpu_32, // OpenCL generic GPU: (32-bit) gpu_64, // OpenCL generic GPU: (64-bit) le32, // le32: generic little-endian 32-bit CPU (PNaCl / Emscripten) amdil, // amdil: amd IL spir, // SPIR: standard portable IR for OpenCL 32-bit version spir64 // SPIR: standard portable IR for OpenCL 64-bit version }; enum VendorType { UnknownVendor, Apple, PC, SCEI, BGP, BGQ, Freescale, IBM, NVIDIA }; enum OSType { UnknownOS, AuroraUX, Cygwin, Darwin, DragonFly, FreeBSD, IOS, KFreeBSD, Linux, Lv2, // PS3 MacOSX, MinGW32, // i*86-pc-mingw32, *-w64-mingw32 NetBSD, OpenBSD, Solaris, Win32, Haiku, Minix, RTEMS, NaCl, // Native Client CNK, // BG/P Compute-Node Kernel Bitrig, AIX, CUDA, // NVIDIA CUDA NVCL // NVIDIA OpenCL }; enum EnvironmentType { UnknownEnvironment, GNU, GNUEABI, GNUEABIHF, GNUX32, CODE16, EABI, EABIHF, MachO, Android, ELF }; private: std::string Data; /// The parsed arch type. ArchType Arch; /// The parsed vendor type. VendorType Vendor; /// The parsed OS type. OSType OS; /// The parsed Environment type. EnvironmentType Environment; public: /// @name Constructors /// @{ /// \brief Default constructor is the same as an empty string and leaves all /// triple fields unknown. Triple() : Data(), Arch(), Vendor(), OS(), Environment() {} explicit Triple(const Twine &Str); Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr); Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr, const Twine &EnvironmentStr); /// @} /// @name Normalization /// @{ /// normalize - Turn an arbitrary machine specification into the canonical /// triple form (or something sensible that the Triple class understands if /// nothing better can reasonably be done). In particular, it handles the /// common case in which otherwise valid components are in the wrong order. static std::string normalize(StringRef Str); /// @} /// @name Typed Component Access /// @{ /// getArch - Get the parsed architecture type of this triple. ArchType getArch() const { return Arch; } /// getVendor - Get the parsed vendor type of this triple. VendorType getVendor() const { return Vendor; } /// getOS - Get the parsed operating system type of this triple. OSType getOS() const { return OS; } /// hasEnvironment - Does this triple have the optional environment /// (fourth) component? bool hasEnvironment() const { return getEnvironmentName() != ""; } /// getEnvironment - Get the parsed environment type of this triple. EnvironmentType getEnvironment() const { return Environment; } /// getOSVersion - Parse the version number from the OS name component of the /// triple, if present. /// /// For example, "fooos1.2.3" would return (1, 2, 3). /// /// If an entry is not defined, it will be returned as 0. void getOSVersion(unsigned &Major, unsigned &Minor, unsigned &Micro) const; /// getOSMajorVersion - Return just the major version number, this is /// specialized because it is a common query. unsigned getOSMajorVersion() const { unsigned Maj, Min, Micro; getOSVersion(Maj, Min, Micro); return Maj; } /// getMacOSXVersion - Parse the version number as with getOSVersion and then /// translate generic "darwin" versions to the corresponding OS X versions. /// This may also be called with IOS triples but the OS X version number is /// just set to a constant 10.4.0 in that case. Returns true if successful. bool getMacOSXVersion(unsigned &Major, unsigned &Minor, unsigned &Micro) const; /// getiOSVersion - Parse the version number as with getOSVersion. This should /// only be called with IOS triples. void getiOSVersion(unsigned &Major, unsigned &Minor, unsigned &Micro) const; /// @} /// @name Direct Component Access /// @{ const std::string &str() const { return Data; } const std::string &getTriple() const { return Data; } /// getArchName - Get the architecture (first) component of the /// triple. StringRef getArchName() const; /// getVendorName - Get the vendor (second) component of the triple. StringRef getVendorName() const; /// getOSName - Get the operating system (third) component of the /// triple. StringRef getOSName() const; /// getEnvironmentName - Get the optional environment (fourth) /// component of the triple, or "" if empty. StringRef getEnvironmentName() const; /// getOSAndEnvironmentName - Get the operating system and optional /// environment components as a single string (separated by a '-' /// if the environment component is present). StringRef getOSAndEnvironmentName() const; /// @} /// @name Convenience Predicates /// @{ /// \brief Test whether the architecture is 64-bit /// /// Note that this tests for 64-bit pointer width, and nothing else. Note /// that we intentionally expose only three predicates, 64-bit, 32-bit, and /// 16-bit. The inner details of pointer width for particular architectures /// is not summed up in the triple, and so only a coarse grained predicate /// system is provided. bool isArch64Bit() const; /// \brief Test whether the architecture is 32-bit /// /// Note that this tests for 32-bit pointer width, and nothing else. bool isArch32Bit() const; /// \brief Test whether the architecture is 16-bit /// /// Note that this tests for 16-bit pointer width, and nothing else. bool isArch16Bit() const; /// isOSVersionLT - Helper function for doing comparisons against version /// numbers included in the target triple. bool isOSVersionLT(unsigned Major, unsigned Minor = 0, unsigned Micro = 0) const { unsigned LHS[3]; getOSVersion(LHS[0], LHS[1], LHS[2]); if (LHS[0] != Major) return LHS[0] < Major; if (LHS[1] != Minor) return LHS[1] < Minor; if (LHS[2] != Micro) return LHS[1] < Micro; return false; } /// isMacOSXVersionLT - Comparison function for checking OS X version /// compatibility, which handles supporting skewed version numbering schemes /// used by the "darwin" triples. unsigned isMacOSXVersionLT(unsigned Major, unsigned Minor = 0, unsigned Micro = 0) const { assert(isMacOSX() && "Not an OS X triple!"); // If this is OS X, expect a sane version number. if (getOS() == Triple::MacOSX) return isOSVersionLT(Major, Minor, Micro); // Otherwise, compare to the "Darwin" number. assert(Major == 10 && "Unexpected major version"); return isOSVersionLT(Minor + 4, Micro, 0); } /// isMacOSX - Is this a Mac OS X triple. For legacy reasons, we support both /// "darwin" and "osx" as OS X triples. bool isMacOSX() const { return getOS() == Triple::Darwin || getOS() == Triple::MacOSX; } /// Is this an iOS triple. bool isiOS() const { return getOS() == Triple::IOS; } /// isOSDarwin - Is this a "Darwin" OS (OS X or iOS). bool isOSDarwin() const { return isMacOSX() || isiOS(); } /// \brief Tests for either Cygwin or MinGW OS bool isOSCygMing() const { return getOS() == Triple::Cygwin || getOS() == Triple::MinGW32; } /// \brief Is this a "Windows" OS targeting a "MSVCRT.dll" environment. bool isOSMSVCRT() const { return getOS() == Triple::Win32 || getOS() == Triple::MinGW32; } /// \brief Tests whether the OS is Windows. bool isOSWindows() const { return getOS() == Triple::Win32 || isOSCygMing(); } /// \brief Tests whether the OS is NaCl (Native Client) bool isOSNaCl() const { return getOS() == Triple::NaCl; } /// \brief Tests whether the OS is Linux. bool isOSLinux() const { return getOS() == Triple::Linux; } /// \brief Tests whether the OS uses the ELF binary format. bool isOSBinFormatELF() const { return !isOSBinFormatMachO() && !isOSBinFormatCOFF(); } /// \brief Tests whether the OS uses the COFF binary format. bool isOSBinFormatCOFF() const { return getEnvironment() != Triple::ELF && getEnvironment() != Triple::MachO && isOSWindows(); } /// \brief Tests whether the environment is MachO. bool isOSBinFormatMachO() const { return getEnvironment() == Triple::MachO || isOSDarwin(); } /// @} /// @name Mutators /// @{ /// setArch - Set the architecture (first) component of the triple /// to a known type. void setArch(ArchType Kind); /// setVendor - Set the vendor (second) component of the triple to a /// known type. void setVendor(VendorType Kind); /// setOS - Set the operating system (third) component of the triple /// to a known type. void setOS(OSType Kind); /// setEnvironment - Set the environment (fourth) component of the triple /// to a known type. void setEnvironment(EnvironmentType Kind); /// setTriple - Set all components to the new triple \p Str. void setTriple(const Twine &Str); /// setArchName - Set the architecture (first) component of the /// triple by name. void setArchName(StringRef Str); /// setVendorName - Set the vendor (second) component of the triple /// by name. void setVendorName(StringRef Str); /// setOSName - Set the operating system (third) component of the /// triple by name. void setOSName(StringRef Str); /// setEnvironmentName - Set the optional environment (fourth) /// component of the triple by name. void setEnvironmentName(StringRef Str); /// setOSAndEnvironmentName - Set the operating system and optional /// environment components with a single string. void setOSAndEnvironmentName(StringRef Str); /// getArchNameForAssembler - Get an architecture name that is understood by /// the target assembler. const char *getArchNameForAssembler(); /// @} /// @name Helpers to build variants of a particular triple. /// @{ /// \brief Form a triple with a 32-bit variant of the current architecture. /// /// This can be used to move across "families" of architectures where useful. /// /// \returns A new triple with a 32-bit architecture or an unknown /// architecture if no such variant can be found. llvm::Triple get32BitArchVariant() const; /// \brief Form a triple with a 64-bit variant of the current architecture. /// /// This can be used to move across "families" of architectures where useful. /// /// \returns A new triple with a 64-bit architecture or an unknown /// architecture if no such variant can be found. llvm::Triple get64BitArchVariant() const; /// @} /// @name Static helpers for IDs. /// @{ /// getArchTypeName - Get the canonical name for the \p Kind architecture. static const char *getArchTypeName(ArchType Kind); /// getArchTypePrefix - Get the "prefix" canonical name for the \p Kind /// architecture. This is the prefix used by the architecture specific /// builtins, and is suitable for passing to \see /// Intrinsic::getIntrinsicForGCCBuiltin(). /// /// \return - The architecture prefix, or 0 if none is defined. static const char *getArchTypePrefix(ArchType Kind); /// getVendorTypeName - Get the canonical name for the \p Kind vendor. static const char *getVendorTypeName(VendorType Kind); /// getOSTypeName - Get the canonical name for the \p Kind operating system. static const char *getOSTypeName(OSType Kind); /// getEnvironmentTypeName - Get the canonical name for the \p Kind /// environment. static const char *getEnvironmentTypeName(EnvironmentType Kind); /// @} /// @name Static helpers for converting alternate architecture names. /// @{ /// getArchTypeForLLVMName - The canonical type for the given LLVM /// architecture name (e.g., "x86"). static ArchType getArchTypeForLLVMName(StringRef Str); /// @} }; } // End llvm namespace #endif