forked from OSchip/llvm-project
445 lines
16 KiB
C++
445 lines
16 KiB
C++
//===--- Targets.cpp - Implement -arch option and targets -----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Chris Lattner and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the -arch command line option and creates a TargetInfo
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// that represents them.
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//
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//===----------------------------------------------------------------------===//
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#include "clang.h"
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#include "clang/AST/Builtins.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/TargetInfo.h"
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#include "llvm/Support/CommandLine.h"
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using namespace llvm;
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using namespace clang;
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/// Note: a hard coded list of targets is clearly silly, these should be
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/// dynamicly registered and loadable with "-load".
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enum SupportedTargets {
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target_ppc, target_ppc64,
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target_i386, target_x86_64,
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target_linux_i386
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};
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static cl::list<SupportedTargets>
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Archs("arch", cl::desc("Architectures to compile for"),
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cl::values(clEnumValN(target_ppc, "ppc", "32-bit Darwin PowerPC"),
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clEnumValN(target_ppc64, "ppc64", "64-bit Darwin PowerPC"),
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clEnumValN(target_i386, "i386", "32-bit Darwin X86"),
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clEnumValN(target_x86_64, "x86_64","64-bit Darwin X86"),
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clEnumValN(target_linux_i386,"linux", "Linux i386"),
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clEnumValEnd));
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//===----------------------------------------------------------------------===//
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// Common code shared among targets.
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//===----------------------------------------------------------------------===//
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namespace {
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class DarwinTargetInfo : public TargetInfoImpl {
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public:
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virtual void getTargetDefines(std::vector<std::string> &Defines) const {
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Defines.push_back("__APPLE__=1");
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Defines.push_back("__MACH__=1");
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if (1) {// -fobjc-gc controls this.
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Defines.push_back("__weak=");
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Defines.push_back("__strong=");
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} else {
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Defines.push_back("__weak=__attribute__((objc_gc(weak)))");
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Defines.push_back("__strong=__attribute__((objc_gc(strong)))");
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Defines.push_back("__OBJC_GC__");
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}
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// darwin_constant_cfstrings controls this.
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Defines.push_back("__CONSTANT_CFSTRINGS__=1");
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if (0) // darwin_pascal_strings
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Defines.push_back("__PASCAL_STRINGS__");
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}
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};
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} // end anonymous namespace.
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/// getPowerPCDefines - Return a set of the PowerPC-specific #defines that are
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/// not tied to a specific subtarget.
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static void getPowerPCDefines(std::vector<std::string> &Defines, bool is64Bit) {
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// Target identification.
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Defines.push_back("__ppc__");
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Defines.push_back("_ARCH_PPC=1");
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Defines.push_back("__POWERPC__=1");
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if (is64Bit) {
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Defines.push_back("_ARCH_PPC64");
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Defines.push_back("_LP64");
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Defines.push_back("__LP64__");
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Defines.push_back("__ppc64__");
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} else {
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Defines.push_back("__ppc__=1");
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}
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// Target properties.
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Defines.push_back("_BIG_ENDIAN=1");
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Defines.push_back("__BIG_ENDIAN__=1");
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if (is64Bit) {
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Defines.push_back("__INTMAX_MAX__=9223372036854775807L");
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Defines.push_back("__INTMAX_TYPE__=long int");
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Defines.push_back("__LONG_MAX__=9223372036854775807L");
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Defines.push_back("__PTRDIFF_TYPE__=long int");
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Defines.push_back("__UINTMAX_TYPE__=long unsigned int");
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} else {
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Defines.push_back("__INTMAX_MAX__=9223372036854775807LL");
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Defines.push_back("__INTMAX_TYPE__=long long int");
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Defines.push_back("__LONG_MAX__=2147483647L");
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Defines.push_back("__PTRDIFF_TYPE__=int");
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Defines.push_back("__UINTMAX_TYPE__=long long unsigned int");
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}
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Defines.push_back("__INT_MAX__=2147483647");
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Defines.push_back("__LONG_LONG_MAX__=9223372036854775807LL");
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Defines.push_back("__CHAR_BIT__=8");
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Defines.push_back("__SCHAR_MAX__=127");
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Defines.push_back("__SHRT_MAX__=32767");
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Defines.push_back("__SIZE_TYPE__=long unsigned int");
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// Subtarget options.
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Defines.push_back("__USER_LABEL_PREFIX__=_");
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Defines.push_back("__NATURAL_ALIGNMENT__=1");
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Defines.push_back("__REGISTER_PREFIX__=");
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Defines.push_back("__WCHAR_MAX__=2147483647");
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Defines.push_back("__WCHAR_TYPE__=int");
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Defines.push_back("__WINT_TYPE__=int");
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// Float macros.
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Defines.push_back("__FLT_DENORM_MIN__=1.40129846e-45F");
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Defines.push_back("__FLT_DIG__=6");
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Defines.push_back("__FLT_EPSILON__=1.19209290e-7F");
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Defines.push_back("__FLT_EVAL_METHOD__=0");
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Defines.push_back("__FLT_HAS_INFINITY__=1");
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Defines.push_back("__FLT_HAS_QUIET_NAN__=1");
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Defines.push_back("__FLT_MANT_DIG__=24");
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Defines.push_back("__FLT_MAX_10_EXP__=38");
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Defines.push_back("__FLT_MAX_EXP__=128");
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Defines.push_back("__FLT_MAX__=3.40282347e+38F");
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Defines.push_back("__FLT_MIN_10_EXP__=(-37)");
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Defines.push_back("__FLT_MIN_EXP__=(-125)");
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Defines.push_back("__FLT_MIN__=1.17549435e-38F");
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Defines.push_back("__FLT_RADIX__=2");
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// double macros.
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Defines.push_back("__DBL_DENORM_MIN__=4.9406564584124654e-324");
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Defines.push_back("__DBL_DIG__=15");
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Defines.push_back("__DBL_EPSILON__=2.2204460492503131e-16");
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Defines.push_back("__DBL_HAS_INFINITY__=1");
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Defines.push_back("__DBL_HAS_QUIET_NAN__=1");
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Defines.push_back("__DBL_MANT_DIG__=53");
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Defines.push_back("__DBL_MAX_10_EXP__=308");
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Defines.push_back("__DBL_MAX_EXP__=1024");
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Defines.push_back("__DBL_MAX__=1.7976931348623157e+308");
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Defines.push_back("__DBL_MIN_10_EXP__=(-307)");
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Defines.push_back("__DBL_MIN_EXP__=(-1021)");
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Defines.push_back("__DBL_MIN__=2.2250738585072014e-308");
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Defines.push_back("__DECIMAL_DIG__=33");
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// 128-bit long double macros.
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Defines.push_back("__LDBL_DENORM_MIN__=4.940656458412465441765687"
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"92868221e-324L");
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Defines.push_back("__LDBL_DIG__=31");
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Defines.push_back("__LDBL_EPSILON__=4.9406564584124654417656879286822"
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"1e-324L");
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Defines.push_back("__LDBL_HAS_INFINITY__=1");
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Defines.push_back("__LDBL_HAS_QUIET_NAN__=1");
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Defines.push_back("__LDBL_MANT_DIG__=106");
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Defines.push_back("__LDBL_MAX_10_EXP__=308");
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Defines.push_back("__LDBL_MAX_EXP__=1024");
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Defines.push_back("__LDBL_MAX__=1.7976931348623158079372897140"
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"5301e+308L");
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Defines.push_back("__LDBL_MIN_10_EXP__=(-291)");
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Defines.push_back("__LDBL_MIN_EXP__=(-968)");
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Defines.push_back("__LDBL_MIN__=2.004168360008972777996108051350"
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"16e-292L");
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Defines.push_back("__LONG_DOUBLE_128__=1");
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}
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/// getX86Defines - Return a set of the X86-specific #defines that are
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/// not tied to a specific subtarget.
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static void getX86Defines(std::vector<std::string> &Defines, bool is64Bit) {
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// Target identification.
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if (is64Bit) {
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Defines.push_back("_LP64");
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Defines.push_back("__LP64__");
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Defines.push_back("__amd64__");
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Defines.push_back("__amd64");
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Defines.push_back("__x86_64");
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Defines.push_back("__x86_64__");
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} else {
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Defines.push_back("__i386__=1");
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Defines.push_back("__i386=1");
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Defines.push_back("i386=1");
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}
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// Target properties.
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Defines.push_back("__LITTLE_ENDIAN__=1");
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if (is64Bit) {
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Defines.push_back("__INTMAX_MAX__=9223372036854775807L");
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Defines.push_back("__INTMAX_TYPE__=long int");
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Defines.push_back("__LONG_MAX__=9223372036854775807L");
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Defines.push_back("__PTRDIFF_TYPE__=long int");
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Defines.push_back("__UINTMAX_TYPE__=long unsigned int");
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} else {
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Defines.push_back("__INTMAX_MAX__=9223372036854775807LL");
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Defines.push_back("__INTMAX_TYPE__=long long int");
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Defines.push_back("__LONG_MAX__=2147483647L");
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Defines.push_back("__PTRDIFF_TYPE__=int");
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Defines.push_back("__UINTMAX_TYPE__=long long unsigned int");
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}
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Defines.push_back("__CHAR_BIT__=8");
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Defines.push_back("__INT_MAX__=2147483647");
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Defines.push_back("__LONG_LONG_MAX__=9223372036854775807LL");
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Defines.push_back("__SCHAR_MAX__=127");
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Defines.push_back("__SHRT_MAX__=32767");
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Defines.push_back("__SIZE_TYPE__=long unsigned int");
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// Subtarget options.
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Defines.push_back("__nocona=1");
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Defines.push_back("__nocona__=1");
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Defines.push_back("__tune_nocona__=1");
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Defines.push_back("__SSE2_MATH__=1");
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Defines.push_back("__SSE2__=1");
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Defines.push_back("__SSE_MATH__=1");
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Defines.push_back("__SSE__=1");
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Defines.push_back("__MMX__=1");
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Defines.push_back("__REGISTER_PREFIX__=");
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Defines.push_back("__WCHAR_MAX__=2147483647");
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Defines.push_back("__WCHAR_TYPE__=int");
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Defines.push_back("__WINT_TYPE__=int");
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// Float macros.
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Defines.push_back("__FLT_DENORM_MIN__=1.40129846e-45F");
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Defines.push_back("__FLT_DIG__=6");
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Defines.push_back("__FLT_EPSILON__=1.19209290e-7F");
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Defines.push_back("__FLT_EVAL_METHOD__=0");
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Defines.push_back("__FLT_HAS_INFINITY__=1");
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Defines.push_back("__FLT_HAS_QUIET_NAN__=1");
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Defines.push_back("__FLT_MANT_DIG__=24");
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Defines.push_back("__FLT_MAX_10_EXP__=38");
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Defines.push_back("__FLT_MAX_EXP__=128");
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Defines.push_back("__FLT_MAX__=3.40282347e+38F");
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Defines.push_back("__FLT_MIN_10_EXP__=(-37)");
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Defines.push_back("__FLT_MIN_EXP__=(-125)");
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Defines.push_back("__FLT_MIN__=1.17549435e-38F");
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Defines.push_back("__FLT_RADIX__=2");
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// Double macros.
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Defines.push_back("__DBL_DENORM_MIN__=4.9406564584124654e-324");
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Defines.push_back("__DBL_DIG__=15");
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Defines.push_back("__DBL_EPSILON__=2.2204460492503131e-16");
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Defines.push_back("__DBL_HAS_INFINITY__=1");
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Defines.push_back("__DBL_HAS_QUIET_NAN__=1");
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Defines.push_back("__DBL_MANT_DIG__=53");
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Defines.push_back("__DBL_MAX_10_EXP__=308");
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Defines.push_back("__DBL_MAX_EXP__=1024");
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Defines.push_back("__DBL_MAX__=1.7976931348623157e+308");
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Defines.push_back("__DBL_MIN_10_EXP__=(-307)");
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Defines.push_back("__DBL_MIN_EXP__=(-1021)");
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Defines.push_back("__DBL_MIN__=2.2250738585072014e-308");
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Defines.push_back("__DECIMAL_DIG__=21");
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// 80-bit Long double macros.
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Defines.push_back("__LDBL_DENORM_MIN__=3.64519953188247460253e-4951L");
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Defines.push_back("__LDBL_DIG__=18");
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Defines.push_back("__LDBL_EPSILON__=1.08420217248550443401e-19L");
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Defines.push_back("__LDBL_HAS_INFINITY__=1");
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Defines.push_back("__LDBL_HAS_QUIET_NAN__=1");
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Defines.push_back("__LDBL_MANT_DIG__=64");
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Defines.push_back("__LDBL_MAX_10_EXP__=4932");
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Defines.push_back("__LDBL_MAX_EXP__=16384");
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Defines.push_back("__LDBL_MAX__=1.18973149535723176502e+4932L");
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Defines.push_back("__LDBL_MIN_10_EXP__=(-4931)");
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Defines.push_back("__LDBL_MIN_EXP__=(-16381)");
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Defines.push_back("__LDBL_MIN__=3.36210314311209350626e-4932L");
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}
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/// PPC builtin info.
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namespace PPC {
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enum {
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LastTIBuiltin = Builtin::FirstTSBuiltin-1,
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#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
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#include "PPCBuiltins.def"
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LastTSBuiltin
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};
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static const Builtin::Info BuiltinInfo[] = {
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#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS },
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#include "PPCBuiltins.def"
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};
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static void getBuiltins(const Builtin::Info *&Records, unsigned &NumRecords) {
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Records = BuiltinInfo;
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NumRecords = LastTSBuiltin-Builtin::FirstTSBuiltin;
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}
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} // End namespace PPC
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/// X86 builtin info.
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namespace X86 {
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enum {
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LastTIBuiltin = Builtin::FirstTSBuiltin-1,
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#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
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#include "X86Builtins.def"
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LastTSBuiltin
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};
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static const Builtin::Info BuiltinInfo[] = {
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#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS },
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#include "X86Builtins.def"
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};
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static void getBuiltins(const Builtin::Info *&Records, unsigned &NumRecords) {
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Records = BuiltinInfo;
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NumRecords = LastTSBuiltin-Builtin::FirstTSBuiltin;
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}
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} // End namespace X86
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//===----------------------------------------------------------------------===//
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// Specific target implementations.
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//===----------------------------------------------------------------------===//
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namespace {
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class DarwinPPCTargetInfo : public DarwinTargetInfo {
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public:
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virtual void getTargetDefines(std::vector<std::string> &Defines) const {
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DarwinTargetInfo::getTargetDefines(Defines);
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getPowerPCDefines(Defines, false);
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}
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virtual void getTargetBuiltins(const Builtin::Info *&Records,
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unsigned &NumRecords) const {
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PPC::getBuiltins(Records, NumRecords);
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}
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};
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} // end anonymous namespace.
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namespace {
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class DarwinPPC64TargetInfo : public DarwinTargetInfo {
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public:
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virtual void getTargetDefines(std::vector<std::string> &Defines) const {
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DarwinTargetInfo::getTargetDefines(Defines);
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getPowerPCDefines(Defines, true);
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}
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virtual void getTargetBuiltins(const Builtin::Info *&Records,
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unsigned &NumRecords) const {
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PPC::getBuiltins(Records, NumRecords);
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}
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};
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} // end anonymous namespace.
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namespace {
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class DarwinI386TargetInfo : public DarwinTargetInfo {
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public:
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virtual void getTargetDefines(std::vector<std::string> &Defines) const {
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DarwinTargetInfo::getTargetDefines(Defines);
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getX86Defines(Defines, false);
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}
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virtual void getTargetBuiltins(const Builtin::Info *&Records,
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unsigned &NumRecords) const {
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X86::getBuiltins(Records, NumRecords);
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}
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};
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} // end anonymous namespace.
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namespace {
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class DarwinX86_64TargetInfo : public DarwinTargetInfo {
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public:
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virtual void getTargetDefines(std::vector<std::string> &Defines) const {
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DarwinTargetInfo::getTargetDefines(Defines);
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getX86Defines(Defines, true);
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}
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virtual void getTargetBuiltins(const Builtin::Info *&Records,
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unsigned &NumRecords) const {
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X86::getBuiltins(Records, NumRecords);
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}
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};
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} // end anonymous namespace.
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namespace {
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class LinuxTargetInfo : public DarwinTargetInfo {
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public:
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LinuxTargetInfo() {
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// Note: I have no idea if this is right, just for testing.
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WCharWidth = 16;
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}
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virtual void getTargetDefines(std::vector<std::string> &Defines) const {
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// TODO: linux-specific stuff.
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getX86Defines(Defines, false);
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}
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virtual void getTargetBuiltins(const Builtin::Info *&Records,
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unsigned &NumRecords) const {
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X86::getBuiltins(Records, NumRecords);
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}
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};
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} // end anonymous namespace.
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//===----------------------------------------------------------------------===//
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// Driver code
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//===----------------------------------------------------------------------===//
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/// CreateTarget - Create the TargetInfoImpl object for the specified target
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/// enum value.
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static TargetInfoImpl *CreateTarget(SupportedTargets T) {
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switch (T) {
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default: assert(0 && "Unknown target!");
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case target_ppc: return new DarwinPPCTargetInfo();
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case target_ppc64: return new DarwinPPC64TargetInfo();
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case target_i386: return new DarwinI386TargetInfo();
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case target_x86_64: return new DarwinX86_64TargetInfo();
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case target_linux_i386: return new LinuxTargetInfo();
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}
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}
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/// CreateTargetInfo - Return the set of target info objects as specified by
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/// the -arch command line option.
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TargetInfo *clang::CreateTargetInfo(Diagnostic &Diags) {
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// If the user didn't specify at least one architecture, auto-sense the
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// current host. TODO: This is a hack. :)
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if (Archs.empty()) {
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#ifndef __APPLE__
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// Assume non-apple = linux.
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Archs.push_back(target_linux_i386);
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|
#elif (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
|
|
defined(__ppc64__)
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|
Archs.push_back(target_ppc64);
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|
#elif defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
|
|
Archs.push_back(target_ppc);
|
|
#elif defined(__x86_64__)
|
|
Archs.push_back(target_x86_64);
|
|
#elif defined(__i386__) || defined(i386) || defined(_M_IX86)
|
|
Archs.push_back(target_i386);
|
|
#else
|
|
// Don't know what this is!
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
// Create the primary target and target info.
|
|
TargetInfo *TI = new TargetInfo(CreateTarget(Archs[0]), &Diags);
|
|
|
|
// Add all secondary targets.
|
|
for (unsigned i = 1, e = Archs.size(); i != e; ++i)
|
|
TI->AddSecondaryTarget(CreateTarget(Archs[i]));
|
|
return TI;
|
|
}
|