mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
a43fc3452b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84238 91177308-0d34-0410-b5e6-96231b3b80d8
427 lines
11 KiB
C++
427 lines
11 KiB
C++
//===--- Triple.cpp - Target triple helper class --------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/ADT/Triple.h"
|
|
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/ADT/Twine.h"
|
|
#include <cassert>
|
|
#include <cstring>
|
|
using namespace llvm;
|
|
|
|
//
|
|
|
|
const char *Triple::getArchTypeName(ArchType Kind) {
|
|
switch (Kind) {
|
|
case InvalidArch: return "<invalid>";
|
|
case UnknownArch: return "unknown";
|
|
|
|
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 pic16: return "pic16";
|
|
case ppc64: return "powerpc64";
|
|
case ppc: return "powerpc";
|
|
case sparc: return "sparc";
|
|
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";
|
|
}
|
|
|
|
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 sparc: return "sparc";
|
|
|
|
case x86:
|
|
case x86_64: return "x86";
|
|
case xcore: return "xcore";
|
|
}
|
|
}
|
|
|
|
const char *Triple::getVendorTypeName(VendorType Kind) {
|
|
switch (Kind) {
|
|
case UnknownVendor: return "unknown";
|
|
|
|
case Apple: return "apple";
|
|
case PC: return "pc";
|
|
}
|
|
|
|
return "<invalid>";
|
|
}
|
|
|
|
const char *Triple::getOSTypeName(OSType Kind) {
|
|
switch (Kind) {
|
|
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 MinGW32: return "mingw32";
|
|
case MinGW64: return "mingw64";
|
|
case NetBSD: return "netbsd";
|
|
case OpenBSD: return "openbsd";
|
|
case Solaris: return "solaris";
|
|
case Win32: return "win32";
|
|
case Haiku: return "haiku";
|
|
}
|
|
|
|
return "<invalid>";
|
|
}
|
|
|
|
Triple::ArchType Triple::getArchTypeForLLVMName(const 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 == "pic16")
|
|
return pic16;
|
|
if (Name == "ppc64")
|
|
return ppc64;
|
|
if (Name == "ppc")
|
|
return ppc;
|
|
if (Name == "sparc")
|
|
return sparc;
|
|
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;
|
|
|
|
return UnknownArch;
|
|
}
|
|
|
|
Triple::ArchType Triple::getArchTypeForDarwinArchName(const 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;
|
|
|
|
return Triple::UnknownArch;
|
|
}
|
|
|
|
//
|
|
|
|
void Triple::Parse() const {
|
|
assert(!isInitialized() && "Invalid parse call.");
|
|
|
|
StringRef ArchName = getArchName();
|
|
StringRef VendorName = getVendorName();
|
|
StringRef OSName = getOSName();
|
|
|
|
if (ArchName.size() == 4 && ArchName[0] == 'i' &&
|
|
ArchName[2] == '8' && ArchName[3] == '6' &&
|
|
ArchName[1] - '3' < 6) // i[3-9]86
|
|
Arch = x86;
|
|
else if (ArchName == "amd64" || ArchName == "x86_64")
|
|
Arch = x86_64;
|
|
else if (ArchName == "bfin")
|
|
Arch = bfin;
|
|
else if (ArchName == "pic16")
|
|
Arch = pic16;
|
|
else if (ArchName == "powerpc")
|
|
Arch = ppc;
|
|
else if (ArchName == "powerpc64")
|
|
Arch = ppc64;
|
|
else if (ArchName == "arm" ||
|
|
ArchName.startswith("armv") ||
|
|
ArchName == "xscale")
|
|
Arch = arm;
|
|
else if (ArchName == "thumb" ||
|
|
ArchName.startswith("thumbv"))
|
|
Arch = thumb;
|
|
else if (ArchName.startswith("alpha"))
|
|
Arch = alpha;
|
|
else if (ArchName == "spu" || ArchName == "cellspu")
|
|
Arch = cellspu;
|
|
else if (ArchName == "msp430")
|
|
Arch = msp430;
|
|
else if (ArchName == "mips" || ArchName == "mipsallegrex")
|
|
Arch = mips;
|
|
else if (ArchName == "mipsel" || ArchName == "mipsallegrexel" ||
|
|
ArchName == "psp")
|
|
Arch = mipsel;
|
|
else if (ArchName == "sparc")
|
|
Arch = sparc;
|
|
else if (ArchName == "s390x")
|
|
Arch = systemz;
|
|
else if (ArchName == "tce")
|
|
Arch = tce;
|
|
else if (ArchName == "xcore")
|
|
Arch = xcore;
|
|
else
|
|
Arch = UnknownArch;
|
|
|
|
|
|
// Handle some exceptional cases where the OS / environment components are
|
|
// stuck into the vendor field.
|
|
if (StringRef(getTriple()).count('-') == 1) {
|
|
StringRef VendorName = getVendorName();
|
|
|
|
if (VendorName.startswith("mingw32")) { // 'i386-mingw32', etc.
|
|
Vendor = PC;
|
|
OS = MinGW32;
|
|
return;
|
|
}
|
|
|
|
// arm-elf is another example, but we don't currently parse anything about
|
|
// the environment.
|
|
}
|
|
|
|
if (VendorName == "apple")
|
|
Vendor = Apple;
|
|
else if (VendorName == "pc")
|
|
Vendor = PC;
|
|
else
|
|
Vendor = UnknownVendor;
|
|
|
|
if (OSName.startswith("auroraux"))
|
|
OS = AuroraUX;
|
|
else if (OSName.startswith("cygwin"))
|
|
OS = Cygwin;
|
|
else if (OSName.startswith("darwin"))
|
|
OS = Darwin;
|
|
else if (OSName.startswith("dragonfly"))
|
|
OS = DragonFly;
|
|
else if (OSName.startswith("freebsd"))
|
|
OS = FreeBSD;
|
|
else if (OSName.startswith("linux"))
|
|
OS = Linux;
|
|
else if (OSName.startswith("mingw32"))
|
|
OS = MinGW32;
|
|
else if (OSName.startswith("mingw64"))
|
|
OS = MinGW64;
|
|
else if (OSName.startswith("netbsd"))
|
|
OS = NetBSD;
|
|
else if (OSName.startswith("openbsd"))
|
|
OS = OpenBSD;
|
|
else if (OSName.startswith("solaris"))
|
|
OS = Solaris;
|
|
else if (OSName.startswith("win32"))
|
|
OS = Win32;
|
|
else if (OSName.startswith("haiku"))
|
|
OS = Haiku;
|
|
else
|
|
OS = UnknownOS;
|
|
|
|
assert(isInitialized() && "Failed to initialize!");
|
|
}
|
|
|
|
StringRef Triple::getArchName() const {
|
|
return StringRef(Data).split('-').first; // Isolate first component
|
|
}
|
|
|
|
StringRef Triple::getVendorName() const {
|
|
StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
|
|
return Tmp.split('-').first; // Isolate second component
|
|
}
|
|
|
|
StringRef Triple::getOSName() const {
|
|
StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
|
|
Tmp = Tmp.split('-').second; // Strip second component
|
|
return Tmp.split('-').first; // Isolate third component
|
|
}
|
|
|
|
StringRef Triple::getEnvironmentName() const {
|
|
StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
|
|
Tmp = Tmp.split('-').second; // Strip second component
|
|
return Tmp.split('-').second; // Strip third component
|
|
}
|
|
|
|
StringRef Triple::getOSAndEnvironmentName() const {
|
|
StringRef Tmp = StringRef(Data).split('-').second; // Strip 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;
|
|
}
|
|
|
|
void Triple::setArch(ArchType Kind) {
|
|
setArchName(getArchTypeName(Kind));
|
|
}
|
|
|
|
void Triple::setVendor(VendorType Kind) {
|
|
setVendorName(getVendorTypeName(Kind));
|
|
}
|
|
|
|
void Triple::setOS(OSType Kind) {
|
|
setOSName(getOSTypeName(Kind));
|
|
}
|
|
|
|
void Triple::setArchName(const 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) {
|
|
setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
|
|
}
|
|
|
|
void Triple::setOSName(const StringRef &Str) {
|
|
if (hasEnvironment())
|
|
setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
|
|
"-" + getEnvironmentName());
|
|
else
|
|
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
|
|
}
|
|
|
|
void Triple::setEnvironmentName(const StringRef &Str) {
|
|
setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
|
|
"-" + Str);
|
|
}
|
|
|
|
void Triple::setOSAndEnvironmentName(const StringRef &Str) {
|
|
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
|
|
}
|