ffd1746d03
This commit merges the latest LLVM sources from the vendor space. It also updates the build glue to match the new sources. Clang's version number is changed to match LLVM's, which means /usr/include/clang/2.0 has been renamed to /usr/include/clang/2.8. Obtained from: projects/clangbsd
478 lines
13 KiB
C++
478 lines
13 KiB
C++
//===--- Triple.cpp - Target triple helper class --------------------------===//
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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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#include "llvm/ADT/Triple.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/Twine.h"
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#include <cassert>
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#include <cstring>
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using namespace llvm;
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//
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const char *Triple::getArchTypeName(ArchType Kind) {
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switch (Kind) {
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case InvalidArch: return "<invalid>";
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case UnknownArch: return "unknown";
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case alpha: return "alpha";
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case arm: return "arm";
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case bfin: return "bfin";
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case cellspu: return "cellspu";
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case mips: return "mips";
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case mipsel: return "mipsel";
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case msp430: return "msp430";
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case pic16: return "pic16";
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case ppc64: return "powerpc64";
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case ppc: return "powerpc";
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case sparc: return "sparc";
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case sparcv9: return "sparcv9";
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case systemz: return "s390x";
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case tce: return "tce";
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case thumb: return "thumb";
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case x86: return "i386";
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case x86_64: return "x86_64";
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case xcore: return "xcore";
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case mblaze: return "mblaze";
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}
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return "<invalid>";
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}
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const char *Triple::getArchTypePrefix(ArchType Kind) {
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switch (Kind) {
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default:
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return 0;
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case alpha: return "alpha";
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case arm:
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case thumb: return "arm";
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case bfin: return "bfin";
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case cellspu: return "spu";
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case ppc64:
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case ppc: return "ppc";
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case mblaze: return "mblaze";
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case sparcv9:
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case sparc: return "sparc";
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case x86:
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case x86_64: return "x86";
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case xcore: return "xcore";
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}
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}
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const char *Triple::getVendorTypeName(VendorType Kind) {
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switch (Kind) {
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case UnknownVendor: return "unknown";
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case Apple: return "apple";
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case PC: return "pc";
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}
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return "<invalid>";
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}
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const char *Triple::getOSTypeName(OSType Kind) {
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switch (Kind) {
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case UnknownOS: return "unknown";
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case AuroraUX: return "auroraux";
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case Cygwin: return "cygwin";
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case Darwin: return "darwin";
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case DragonFly: return "dragonfly";
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case FreeBSD: return "freebsd";
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case Linux: return "linux";
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case Lv2: return "lv2";
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case MinGW32: return "mingw32";
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case MinGW64: return "mingw64";
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case NetBSD: return "netbsd";
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case OpenBSD: return "openbsd";
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case Psp: return "psp";
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case Solaris: return "solaris";
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case Win32: return "win32";
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case Haiku: return "haiku";
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case Minix: return "minix";
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}
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return "<invalid>";
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}
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Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
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if (Name == "alpha")
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return alpha;
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if (Name == "arm")
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return arm;
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if (Name == "bfin")
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return bfin;
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if (Name == "cellspu")
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return cellspu;
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if (Name == "mips")
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return mips;
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if (Name == "mipsel")
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return mipsel;
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if (Name == "msp430")
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return msp430;
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if (Name == "pic16")
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return pic16;
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if (Name == "ppc64")
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return ppc64;
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if (Name == "ppc")
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return ppc;
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if (Name == "mblaze")
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return mblaze;
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if (Name == "sparc")
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return sparc;
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if (Name == "sparcv9")
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return sparcv9;
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if (Name == "systemz")
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return systemz;
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if (Name == "tce")
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return tce;
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if (Name == "thumb")
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return thumb;
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if (Name == "x86")
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return x86;
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if (Name == "x86-64")
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return x86_64;
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if (Name == "xcore")
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return xcore;
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return UnknownArch;
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}
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Triple::ArchType Triple::getArchTypeForDarwinArchName(StringRef Str) {
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// See arch(3) and llvm-gcc's driver-driver.c. We don't implement support for
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// archs which Darwin doesn't use.
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// The matching this routine does is fairly pointless, since it is neither the
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// complete architecture list, nor a reasonable subset. The problem is that
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// historically the driver driver accepts this and also ties its -march=
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// handling to the architecture name, so we need to be careful before removing
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// support for it.
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// This code must be kept in sync with Clang's Darwin specific argument
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// translation.
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if (Str == "ppc" || Str == "ppc601" || Str == "ppc603" || Str == "ppc604" ||
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Str == "ppc604e" || Str == "ppc750" || Str == "ppc7400" ||
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Str == "ppc7450" || Str == "ppc970")
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return Triple::ppc;
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if (Str == "ppc64")
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return Triple::ppc64;
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if (Str == "i386" || Str == "i486" || Str == "i486SX" || Str == "pentium" ||
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Str == "i586" || Str == "pentpro" || Str == "i686" || Str == "pentIIm3" ||
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Str == "pentIIm5" || Str == "pentium4")
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return Triple::x86;
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if (Str == "x86_64")
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return Triple::x86_64;
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// This is derived from the driver driver.
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if (Str == "arm" || Str == "armv4t" || Str == "armv5" || Str == "xscale" ||
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Str == "armv6" || Str == "armv7")
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return Triple::arm;
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return Triple::UnknownArch;
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}
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// Returns architecture name that is understood by the target assembler.
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const char *Triple::getArchNameForAssembler() {
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if (getOS() != Triple::Darwin && getVendor() != Triple::Apple)
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return NULL;
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StringRef Str = getArchName();
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if (Str == "i386")
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return "i386";
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if (Str == "x86_64")
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return "x86_64";
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if (Str == "powerpc")
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return "ppc";
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if (Str == "powerpc64")
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return "ppc64";
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if (Str == "mblaze" || Str == "microblaze")
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return "mblaze";
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if (Str == "arm")
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return "arm";
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if (Str == "armv4t" || Str == "thumbv4t")
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return "armv4t";
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if (Str == "armv5" || Str == "armv5e" || Str == "thumbv5" || Str == "thumbv5e")
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return "armv5";
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if (Str == "armv6" || Str == "thumbv6")
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return "armv6";
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if (Str == "armv7" || Str == "thumbv7")
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return "armv7";
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return NULL;
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}
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//
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void Triple::Parse() const {
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assert(!isInitialized() && "Invalid parse call.");
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StringRef ArchName = getArchName();
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StringRef VendorName = getVendorName();
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StringRef OSName = getOSName();
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if (ArchName.size() == 4 && ArchName[0] == 'i' &&
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ArchName[2] == '8' && ArchName[3] == '6' &&
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ArchName[1] - '3' < 6) // i[3-9]86
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Arch = x86;
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else if (ArchName == "amd64" || ArchName == "x86_64")
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Arch = x86_64;
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else if (ArchName == "bfin")
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Arch = bfin;
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else if (ArchName == "pic16")
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Arch = pic16;
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else if (ArchName == "powerpc")
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Arch = ppc;
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else if ((ArchName == "powerpc64") || (ArchName == "ppu"))
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Arch = ppc64;
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else if (ArchName == "mblaze")
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Arch = mblaze;
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else if (ArchName == "arm" ||
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ArchName.startswith("armv") ||
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ArchName == "xscale")
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Arch = arm;
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else if (ArchName == "thumb" ||
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ArchName.startswith("thumbv"))
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Arch = thumb;
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else if (ArchName.startswith("alpha"))
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Arch = alpha;
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else if (ArchName == "spu" || ArchName == "cellspu")
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Arch = cellspu;
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else if (ArchName == "msp430")
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Arch = msp430;
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else if (ArchName == "mips" || ArchName == "mipsallegrex")
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Arch = mips;
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else if (ArchName == "mipsel" || ArchName == "mipsallegrexel" ||
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ArchName == "psp")
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Arch = mipsel;
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else if (ArchName == "sparc")
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Arch = sparc;
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else if (ArchName == "sparcv9")
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Arch = sparcv9;
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else if (ArchName == "s390x")
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Arch = systemz;
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else if (ArchName == "tce")
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Arch = tce;
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else if (ArchName == "xcore")
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Arch = xcore;
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else
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Arch = UnknownArch;
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// Handle some exceptional cases where the OS / environment components are
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// stuck into the vendor field.
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if (StringRef(getTriple()).count('-') == 1) {
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StringRef VendorName = getVendorName();
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if (VendorName.startswith("mingw32")) { // 'i386-mingw32', etc.
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Vendor = PC;
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OS = MinGW32;
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return;
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}
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// arm-elf is another example, but we don't currently parse anything about
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// the environment.
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}
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if (VendorName == "apple")
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Vendor = Apple;
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else if (VendorName == "pc")
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Vendor = PC;
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else
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Vendor = UnknownVendor;
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if (OSName.startswith("auroraux"))
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OS = AuroraUX;
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else if (OSName.startswith("cygwin"))
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OS = Cygwin;
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else if (OSName.startswith("darwin"))
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OS = Darwin;
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else if (OSName.startswith("dragonfly"))
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OS = DragonFly;
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else if (OSName.startswith("freebsd"))
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OS = FreeBSD;
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else if (OSName.startswith("linux"))
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OS = Linux;
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else if (OSName.startswith("lv2"))
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OS = Lv2;
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else if (OSName.startswith("mingw32"))
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OS = MinGW32;
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else if (OSName.startswith("mingw64"))
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OS = MinGW64;
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else if (OSName.startswith("netbsd"))
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OS = NetBSD;
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else if (OSName.startswith("openbsd"))
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OS = OpenBSD;
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else if (OSName.startswith("psp"))
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OS = Psp;
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else if (OSName.startswith("solaris"))
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OS = Solaris;
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else if (OSName.startswith("win32"))
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OS = Win32;
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else if (OSName.startswith("haiku"))
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OS = Haiku;
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else if (OSName.startswith("minix"))
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OS = Minix;
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else
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OS = UnknownOS;
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assert(isInitialized() && "Failed to initialize!");
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}
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StringRef Triple::getArchName() const {
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return StringRef(Data).split('-').first; // Isolate first component
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}
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StringRef Triple::getVendorName() const {
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StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
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return Tmp.split('-').first; // Isolate second component
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}
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StringRef Triple::getOSName() const {
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StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
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Tmp = Tmp.split('-').second; // Strip second component
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return Tmp.split('-').first; // Isolate third component
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}
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StringRef Triple::getEnvironmentName() const {
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StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
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Tmp = Tmp.split('-').second; // Strip second component
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return Tmp.split('-').second; // Strip third component
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}
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StringRef Triple::getOSAndEnvironmentName() const {
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StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
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return Tmp.split('-').second; // Strip second component
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}
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static unsigned EatNumber(StringRef &Str) {
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assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number");
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unsigned Result = Str[0]-'0';
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// Eat the digit.
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Str = Str.substr(1);
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// Handle "darwin11".
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if (Result == 1 && !Str.empty() && Str[0] >= '0' && Str[0] <= '9') {
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Result = Result*10 + (Str[0] - '0');
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// Eat the digit.
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Str = Str.substr(1);
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}
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return Result;
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}
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/// getDarwinNumber - Parse the 'darwin number' out of the specific target
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/// triple. For example, if we have darwin8.5 return 8,5,0. If any entry is
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/// not defined, return 0's. This requires that the triple have an OSType of
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/// darwin before it is called.
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void Triple::getDarwinNumber(unsigned &Maj, unsigned &Min,
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unsigned &Revision) const {
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assert(getOS() == Darwin && "Not a darwin target triple!");
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StringRef OSName = getOSName();
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assert(OSName.startswith("darwin") && "Unknown darwin target triple!");
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// Strip off "darwin".
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OSName = OSName.substr(6);
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Maj = Min = Revision = 0;
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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// The major version is the first digit.
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Maj = EatNumber(OSName);
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if (OSName.empty()) return;
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// Handle minor version: 10.4.9 -> darwin8.9.
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if (OSName[0] != '.')
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return;
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// Eat the '.'.
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OSName = OSName.substr(1);
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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Min = EatNumber(OSName);
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if (OSName.empty()) return;
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// Handle revision darwin8.9.1
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if (OSName[0] != '.')
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return;
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// Eat the '.'.
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OSName = OSName.substr(1);
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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Revision = EatNumber(OSName);
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}
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void Triple::setTriple(const Twine &Str) {
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Data = Str.str();
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Arch = InvalidArch;
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}
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void Triple::setArch(ArchType Kind) {
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setArchName(getArchTypeName(Kind));
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}
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void Triple::setVendor(VendorType Kind) {
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setVendorName(getVendorTypeName(Kind));
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}
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void Triple::setOS(OSType Kind) {
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setOSName(getOSTypeName(Kind));
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}
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void Triple::setArchName(StringRef Str) {
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// Work around a miscompilation bug for Twines in gcc 4.0.3.
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SmallString<64> Triple;
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Triple += Str;
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Triple += "-";
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Triple += getVendorName();
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Triple += "-";
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Triple += getOSAndEnvironmentName();
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setTriple(Triple.str());
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}
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void Triple::setVendorName(StringRef Str) {
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setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
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}
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void Triple::setOSName(StringRef Str) {
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if (hasEnvironment())
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setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
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"-" + getEnvironmentName());
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else
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setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
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}
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void Triple::setEnvironmentName(StringRef Str) {
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setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
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"-" + Str);
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}
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void Triple::setOSAndEnvironmentName(StringRef Str) {
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setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
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}
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