#include "llvm/ADT/Triple.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Twine.h"
#include <cassert>
#include <cstring>
case InvalidArch: return "<invalid>";
case UnknownArch: return "unknown";
- case x86: return "i386";
- case x86_64: return "x86_64";
- case ppc: return "powerpc";
- case ppc64: return "powerpc64";
+ case alpha: return "alpha";
+ case arm: return "arm";
+ case bfin: return "bfin";
+ case cellspu: return "cellspu";
+ case mips: return "mips";
+ case mipsel: return "mipsel";
+ case msp430: return "msp430";
+ case ppc64: return "powerpc64";
+ case ppc: return "powerpc";
+ case sparc: return "sparc";
+ case sparcv9: return "sparcv9";
+ case systemz: return "s390x";
+ case tce: return "tce";
+ case thumb: return "thumb";
+ case x86: return "i386";
+ case x86_64: return "x86_64";
+ case xcore: return "xcore";
+ case mblaze: return "mblaze";
+ case ptx: return "ptx";
}
return "<invalid>";
}
+const char *Triple::getArchTypePrefix(ArchType Kind) {
+ switch (Kind) {
+ default:
+ return 0;
+
+ case alpha: return "alpha";
+
+ case arm:
+ case thumb: return "arm";
+
+ case bfin: return "bfin";
+
+ case cellspu: return "spu";
+
+ case ppc64:
+ case ppc: return "ppc";
+
+ case mblaze: return "mblaze";
+
+ case sparcv9:
+ case sparc: return "sparc";
+
+ case x86:
+ case x86_64: return "x86";
+
+ case xcore: return "xcore";
+
+ case ptx: return "ptx";
+ }
+}
+
const char *Triple::getVendorTypeName(VendorType Kind) {
switch (Kind) {
case UnknownVendor: return "unknown";
case Apple: return "apple";
- case PC: return "PC";
+ case PC: return "pc";
+ case NoVendor: return "none";
}
return "<invalid>";
case UnknownOS: return "unknown";
case AuroraUX: return "auroraux";
+ case Cygwin: return "cygwin";
case Darwin: return "darwin";
case DragonFly: return "dragonfly";
case FreeBSD: return "freebsd";
case Linux: return "linux";
+ case Lv2: return "lv2";
+ case MinGW32: return "mingw32";
+ case MinGW64: return "mingw64";
case NetBSD: return "netbsd";
case OpenBSD: return "openbsd";
+ case Psp: return "psp";
+ case Solaris: return "solaris";
+ case Win32: return "win32";
+ case Haiku: return "haiku";
+ case Minix: return "minix";
+ case NoOS: return "none";
}
return "<invalid>";
}
-//
+const char *Triple::getEnvironmentTypeName(EnvironmentType Kind) {
+ switch (Kind) {
+ case UnknownEnvironment: return "unknown";
+ case GNU: return "gnu";
+ case GNUEABI: return "gnueabi";
+ case EABI: return "eabi";
+ }
-void Triple::Parse() const {
- assert(!isInitialized() && "Invalid parse call.");
+ return "<invalid>";
+}
- StringRef ArchName = getArchName();
- if (ArchName.size() == 4 && ArchName[0] == 'i' &&
- ArchName[2] == '8' && ArchName[3] == '6')
- Arch = x86;
+Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
+ if (Name == "alpha")
+ return alpha;
+ if (Name == "arm")
+ return arm;
+ if (Name == "bfin")
+ return bfin;
+ if (Name == "cellspu")
+ return cellspu;
+ if (Name == "mips")
+ return mips;
+ if (Name == "mipsel")
+ return mipsel;
+ if (Name == "msp430")
+ return msp430;
+ if (Name == "ppc64")
+ return ppc64;
+ if (Name == "ppc")
+ return ppc;
+ if (Name == "mblaze")
+ return mblaze;
+ if (Name == "sparc")
+ return sparc;
+ if (Name == "sparcv9")
+ return sparcv9;
+ if (Name == "systemz")
+ return systemz;
+ if (Name == "tce")
+ return tce;
+ if (Name == "thumb")
+ return thumb;
+ if (Name == "x86")
+ return x86;
+ if (Name == "x86-64")
+ return x86_64;
+ if (Name == "xcore")
+ return xcore;
+ if (Name == "ptx")
+ return ptx;
+
+ return UnknownArch;
+}
+
+Triple::ArchType Triple::getArchTypeForDarwinArchName(StringRef Str) {
+ // See arch(3) and llvm-gcc's driver-driver.c. We don't implement support for
+ // archs which Darwin doesn't use.
+
+ // The matching this routine does is fairly pointless, since it is neither the
+ // complete architecture list, nor a reasonable subset. The problem is that
+ // historically the driver driver accepts this and also ties its -march=
+ // handling to the architecture name, so we need to be careful before removing
+ // support for it.
+
+ // This code must be kept in sync with Clang's Darwin specific argument
+ // translation.
+
+ if (Str == "ppc" || Str == "ppc601" || Str == "ppc603" || Str == "ppc604" ||
+ Str == "ppc604e" || Str == "ppc750" || Str == "ppc7400" ||
+ Str == "ppc7450" || Str == "ppc970")
+ return Triple::ppc;
+
+ if (Str == "ppc64")
+ return Triple::ppc64;
+
+ if (Str == "i386" || Str == "i486" || Str == "i486SX" || Str == "pentium" ||
+ Str == "i586" || Str == "pentpro" || Str == "i686" || Str == "pentIIm3" ||
+ Str == "pentIIm5" || Str == "pentium4")
+ return Triple::x86;
+
+ if (Str == "x86_64")
+ return Triple::x86_64;
+
+ // This is derived from the driver driver.
+ if (Str == "arm" || Str == "armv4t" || Str == "armv5" || Str == "xscale" ||
+ Str == "armv6" || Str == "armv7")
+ return Triple::arm;
+
+ if (Str == "ptx")
+ return Triple::ptx;
+
+ return Triple::UnknownArch;
+}
+
+// Returns architecture name that is understood by the target assembler.
+const char *Triple::getArchNameForAssembler() {
+ if (getOS() != Triple::Darwin && getVendor() != Triple::Apple)
+ return NULL;
+
+ StringRef Str = getArchName();
+ if (Str == "i386")
+ return "i386";
+ if (Str == "x86_64")
+ return "x86_64";
+ if (Str == "powerpc")
+ return "ppc";
+ if (Str == "powerpc64")
+ return "ppc64";
+ if (Str == "mblaze" || Str == "microblaze")
+ return "mblaze";
+ if (Str == "arm")
+ return "arm";
+ if (Str == "armv4t" || Str == "thumbv4t")
+ return "armv4t";
+ if (Str == "armv5" || Str == "armv5e" || Str == "thumbv5"
+ || Str == "thumbv5e")
+ return "armv5";
+ if (Str == "armv6" || Str == "thumbv6")
+ return "armv6";
+ if (Str == "armv7" || Str == "thumbv7")
+ return "armv7";
+ if (Str == "ptx")
+ return "ptx";
+ return NULL;
+}
+
+//
+
+Triple::ArchType Triple::ParseArch(StringRef ArchName) {
+ if (ArchName.size() == 4 && ArchName[0] == 'i' &&
+ ArchName[2] == '8' && ArchName[3] == '6' &&
+ ArchName[1] - '3' < 6) // i[3-9]86
+ return x86;
else if (ArchName == "amd64" || ArchName == "x86_64")
- Arch = x86_64;
+ return x86_64;
+ else if (ArchName == "bfin")
+ return bfin;
else if (ArchName == "powerpc")
- Arch = ppc;
- else if (ArchName == "powerpc64")
- Arch = ppc64;
+ return ppc;
+ else if ((ArchName == "powerpc64") || (ArchName == "ppu"))
+ return ppc64;
+ else if (ArchName == "mblaze")
+ return mblaze;
+ else if (ArchName == "arm" ||
+ ArchName.startswith("armv") ||
+ ArchName == "xscale")
+ return arm;
+ else if (ArchName == "thumb" ||
+ ArchName.startswith("thumbv"))
+ return thumb;
+ else if (ArchName.startswith("alpha"))
+ return alpha;
+ else if (ArchName == "spu" || ArchName == "cellspu")
+ return cellspu;
+ else if (ArchName == "msp430")
+ return msp430;
+ else if (ArchName == "mips" || ArchName == "mipsallegrex")
+ return mips;
+ else if (ArchName == "mipsel" || ArchName == "mipsallegrexel" ||
+ ArchName == "psp")
+ return mipsel;
+ else if (ArchName == "sparc")
+ return sparc;
+ else if (ArchName == "sparcv9")
+ return sparcv9;
+ else if (ArchName == "s390x")
+ return systemz;
+ else if (ArchName == "tce")
+ return tce;
+ else if (ArchName == "xcore")
+ return xcore;
+ else if (ArchName == "ptx")
+ return ptx;
else
- Arch = UnknownArch;
+ return UnknownArch;
+}
- StringRef VendorName = getVendorName();
+Triple::VendorType Triple::ParseVendor(StringRef VendorName) {
if (VendorName == "apple")
- Vendor = Apple;
+ return Apple;
else if (VendorName == "pc")
- Vendor = PC;
+ return PC;
+ else if (VendorName == "none")
+ return NoVendor;
else
- Vendor = UnknownVendor;
+ return UnknownVendor;
+}
- StringRef OSName = getOSName();
+Triple::OSType Triple::ParseOS(StringRef OSName) {
if (OSName.startswith("auroraux"))
- OS = AuroraUX;
+ return AuroraUX;
+ else if (OSName.startswith("cygwin"))
+ return Cygwin;
else if (OSName.startswith("darwin"))
- OS = Darwin;
+ return Darwin;
else if (OSName.startswith("dragonfly"))
- OS = DragonFly;
+ return DragonFly;
else if (OSName.startswith("freebsd"))
- OS = FreeBSD;
+ return FreeBSD;
else if (OSName.startswith("linux"))
- OS = Linux;
+ return Linux;
+ else if (OSName.startswith("lv2"))
+ return Lv2;
+ else if (OSName.startswith("mingw32"))
+ return MinGW32;
+ else if (OSName.startswith("mingw64"))
+ return MinGW64;
else if (OSName.startswith("netbsd"))
- OS = NetBSD;
+ return NetBSD;
else if (OSName.startswith("openbsd"))
- OS = OpenBSD;
+ return OpenBSD;
+ else if (OSName.startswith("psp"))
+ return Psp;
+ else if (OSName.startswith("solaris"))
+ return Solaris;
+ else if (OSName.startswith("win32"))
+ return Win32;
+ else if (OSName.startswith("haiku"))
+ return Haiku;
+ else if (OSName.startswith("minix"))
+ return Minix;
+ else if (OSName.startswith("eabi"))
+ return NoOS;
else
- OS = UnknownOS;
+ return UnknownOS;
+}
+
+Triple::EnvironmentType Triple::ParseEnvironment(StringRef EnvironmentName) {
+ if (EnvironmentName.startswith("eabi"))
+ return EABI;
+ else if (EnvironmentName.startswith("gnueabi"))
+ return GNUEABI;
+ else if (EnvironmentName.startswith("gnu"))
+ return GNU;
+ else
+ return UnknownEnvironment;
+}
+
+void Triple::Parse() const {
+ assert(!isInitialized() && "Invalid parse call.");
+
+ Arch = ParseArch(getArchName());
+ Vendor = ParseVendor(getVendorName());
+ OS = ParseOS(getOSName());
+ if (OS == NoOS) {
+ // Some targets don't have an OS (embedded systems)
+ Environment = ParseEnvironment(getOSName());
+ } else {
+ Environment = ParseEnvironment(getEnvironmentName());
+ }
assert(isInitialized() && "Failed to initialize!");
}
+std::string Triple::normalize(StringRef Str) {
+ // Parse into components.
+ SmallVector<StringRef, 4> Components;
+ for (size_t First = 0, Last = 0; Last != StringRef::npos; First = Last + 1) {
+ Last = Str.find('-', First);
+ Components.push_back(Str.slice(First, Last));
+ }
+
+ // If the first component corresponds to a known architecture, preferentially
+ // use it for the architecture. If the second component corresponds to a
+ // known vendor, preferentially use it for the vendor, etc. This avoids silly
+ // component movement when a component parses as (eg) both a valid arch and a
+ // valid os.
+ ArchType Arch = UnknownArch;
+ if (Components.size() > 0)
+ Arch = ParseArch(Components[0]);
+ VendorType Vendor = UnknownVendor;
+ if (Components.size() > 1)
+ Vendor = ParseVendor(Components[1]);
+ OSType OS = UnknownOS;
+ if (Components.size() > 2)
+ OS = ParseOS(Components[2]);
+ EnvironmentType Environment = UnknownEnvironment;
+ if (Components.size() > 3)
+ Environment = ParseEnvironment(Components[3]);
+
+ // Note which components are already in their final position. These will not
+ // be moved.
+ bool Found[4];
+ Found[0] = Arch != UnknownArch;
+ Found[1] = Vendor != UnknownVendor;
+ Found[2] = OS != UnknownOS;
+ Found[3] = Environment != UnknownEnvironment;
+
+ // If they are not there already, permute the components into their canonical
+ // positions by seeing if they parse as a valid architecture, and if so moving
+ // the component to the architecture position etc.
+ for (unsigned Pos = 0; Pos != array_lengthof(Found); ++Pos) {
+ if (Found[Pos])
+ continue; // Already in the canonical position.
+
+ for (unsigned Idx = 0; Idx != Components.size(); ++Idx) {
+ // Do not reparse any components that already matched.
+ if (Idx < array_lengthof(Found) && Found[Idx])
+ continue;
+
+ // Does this component parse as valid for the target position?
+ bool Valid = false;
+ StringRef Comp = Components[Idx];
+ switch (Pos) {
+ default:
+ assert(false && "unexpected component type!");
+ case 0:
+ Arch = ParseArch(Comp);
+ Valid = Arch != UnknownArch;
+ break;
+ case 1:
+ Vendor = ParseVendor(Comp);
+ Valid = Vendor != UnknownVendor;
+ break;
+ case 2:
+ OS = ParseOS(Comp);
+ // Some targets don't have an OS (embedded systems)
+ if (OS == NoOS) {
+ Environment = ParseEnvironment(Comp);
+ Valid = Environment != UnknownEnvironment;
+ } else {
+ Valid = OS != UnknownOS;
+ }
+ break;
+ case 3:
+ Environment = ParseEnvironment(Comp);
+ Valid = Environment != UnknownEnvironment;
+ break;
+ }
+ if (!Valid)
+ continue; // Nope, try the next component.
+
+ // Move the component to the target position, pushing any non-fixed
+ // components that are in the way to the right. This tends to give
+ // good results in the common cases of a forgotten vendor component
+ // or a wrongly positioned environment.
+ if (Pos < Idx) {
+ // Insert left, pushing the existing components to the right. For
+ // example, a-b-i386 -> i386-a-b when moving i386 to the front.
+ StringRef CurrentComponent(""); // The empty component.
+ // Replace the component we are moving with an empty component.
+ std::swap(CurrentComponent, Components[Idx]);
+ // Insert the component being moved at Pos, displacing any existing
+ // components to the right.
+ for (unsigned i = Pos; !CurrentComponent.empty(); ++i) {
+ // Skip over any fixed components.
+ while (i < array_lengthof(Found) && Found[i]) ++i;
+ // Place the component at the new position, getting the component
+ // that was at this position - it will be moved right.
+ std::swap(CurrentComponent, Components[i]);
+ }
+ } else if (Pos > Idx) {
+ // Push right by inserting empty components until the component at Idx
+ // reaches the target position Pos. For example, pc-a -> -pc-a when
+ // moving pc to the second position.
+ do {
+ // Insert one empty component at Idx.
+ StringRef CurrentComponent(""); // The empty component.
+ for (unsigned i = Idx; i < Components.size(); ++i) {
+ // Skip over any fixed components.
+ while (i < array_lengthof(Found) && Found[i]) ++i;
+ // Fix problem when Components vector is not big enough
+ if (i >= Components.size())
+ Components.push_back(StringRef(""));
+ // Place the component at the new position, getting the component
+ // that was at this position - it will be moved right.
+ std::swap(CurrentComponent, Components[i]);
+ // If it was placed on top of an empty component then we are done.
+ if (CurrentComponent.empty())
+ break;
+ }
+ // The last component was pushed off the end - append it.
+ if (!CurrentComponent.empty())
+ Components.push_back(CurrentComponent);
+
+ // Advance Idx to the component's new position.
+ while (++Idx < array_lengthof(Found) && Found[Idx]) {}
+ } while (Idx < Pos); // Add more until the final position is reached.
+ }
+ assert(Pos < Components.size() && Components[Pos] == Comp &&
+ "Component moved wrong!");
+ Found[Pos] = true;
+ break;
+ }
+ }
+
+ // Special case logic goes here. At this point Arch, Vendor and OS have the
+ // correct values for the computed components.
+
+ // Stick the corrected components back together to form the normalized string.
+ std::string Normalized;
+ for (unsigned i = 0, e = Components.size(); i != e; ++i) {
+ if (i) Normalized += '-';
+ Normalized += Components[i];
+ }
+ return Normalized;
+}
+
StringRef Triple::getArchName() const {
return StringRef(Data).split('-').first; // Isolate first component
}
return Tmp.split('-').second; // Strip second component
}
+static unsigned EatNumber(StringRef &Str) {
+ assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number");
+ unsigned Result = Str[0]-'0';
+
+ // Eat the digit.
+ Str = Str.substr(1);
+
+ // Handle "darwin11".
+ if (Result == 1 && !Str.empty() && Str[0] >= '0' && Str[0] <= '9') {
+ Result = Result*10 + (Str[0] - '0');
+ // Eat the digit.
+ Str = Str.substr(1);
+ }
+
+ return Result;
+}
+
+/// getDarwinNumber - Parse the 'darwin number' out of the specific target
+/// triple. For example, if we have darwin8.5 return 8,5,0. If any entry is
+/// not defined, return 0's. This requires that the triple have an OSType of
+/// darwin before it is called.
+void Triple::getDarwinNumber(unsigned &Maj, unsigned &Min,
+ unsigned &Revision) const {
+ assert(getOS() == Darwin && "Not a darwin target triple!");
+ StringRef OSName = getOSName();
+ assert(OSName.startswith("darwin") && "Unknown darwin target triple!");
+
+ // Strip off "darwin".
+ OSName = OSName.substr(6);
+
+ Maj = Min = Revision = 0;
+
+ if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
+ return;
+
+ // The major version is the first digit.
+ Maj = EatNumber(OSName);
+ if (OSName.empty()) return;
+
+ // Handle minor version: 10.4.9 -> darwin8.9.
+ if (OSName[0] != '.')
+ return;
+
+ // Eat the '.'.
+ OSName = OSName.substr(1);
+
+ if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
+ return;
+
+ Min = EatNumber(OSName);
+ if (OSName.empty()) return;
+
+ // Handle revision darwin8.9.1
+ if (OSName[0] != '.')
+ return;
+
+ // Eat the '.'.
+ OSName = OSName.substr(1);
+
+ if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
+ return;
+
+ Revision = EatNumber(OSName);
+}
+
void Triple::setTriple(const Twine &Str) {
Data = Str.str();
Arch = InvalidArch;
setOSName(getOSTypeName(Kind));
}
-void Triple::setArchName(const StringRef &Str) {
- setTriple(Str + "-" + getVendorName() + "-" + getOSAndEnvironmentName());
+void Triple::setEnvironment(EnvironmentType Kind) {
+ setEnvironmentName(getEnvironmentTypeName(Kind));
+}
+
+void Triple::setArchName(StringRef Str) {
+ // Work around a miscompilation bug for Twines in gcc 4.0.3.
+ SmallString<64> Triple;
+ Triple += Str;
+ Triple += "-";
+ Triple += getVendorName();
+ Triple += "-";
+ Triple += getOSAndEnvironmentName();
+ setTriple(Triple.str());
}
-void Triple::setVendorName(const StringRef &Str) {
+void Triple::setVendorName(StringRef Str) {
setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
}
-void Triple::setOSName(const StringRef &Str) {
+void Triple::setOSName(StringRef Str) {
if (hasEnvironment())
setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
"-" + getEnvironmentName());
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
}
-void Triple::setEnvironmentName(const StringRef &Str) {
- setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
+void Triple::setEnvironmentName(StringRef Str) {
+ setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
"-" + Str);
}
-void Triple::setOSAndEnvironmentName(const StringRef &Str) {
+void Triple::setOSAndEnvironmentName(StringRef Str) {
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
}
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