static void InitializePredefinedMacros(const TargetInfo &TI,
const LangOptions &LangOpts,
const FrontendOptions &FEOpts,
MacroBuilder &Builder) {
// Compiler version introspection macros.
Builder.defineMacro("__llvm__"); // LLVM Backend
Builder.defineMacro("__clang__"); // Clang Frontend
#define TOSTR2(X) #X
#define TOSTR(X) TOSTR2(X)
Builder.defineMacro("__clang_major__", TOSTR(CLANG_VERSION_MAJOR));
Builder.defineMacro("__clang_minor__", TOSTR(CLANG_VERSION_MINOR));
#ifdef CLANG_VERSION_PATCHLEVEL
Builder.defineMacro("__clang_patchlevel__", TOSTR(CLANG_VERSION_PATCHLEVEL));
#else
Builder.defineMacro("__clang_patchlevel__", "0");
#endif
Builder.defineMacro("__clang_version__",
"\"" CLANG_VERSION_STRING " ("
+ getClangFullRepositoryVersion() + ")\"");
#undef TOSTR
#undef TOSTR2
if (!LangOpts.MicrosoftMode) {
// Currently claim to be compatible with GCC 4.2.1-5621, but only if we're
// not compiling for MSVC compatibility
Builder.defineMacro("__GNUC_MINOR__", "2");
Builder.defineMacro("__GNUC_PATCHLEVEL__", "1");
Builder.defineMacro("__GNUC__", "4");
Builder.defineMacro("__GXX_ABI_VERSION", "1002");
}
// Define macros for the C11 / C++11 memory orderings
Builder.defineMacro("__ATOMIC_RELAXED", "0");
Builder.defineMacro("__ATOMIC_CONSUME", "1");
Builder.defineMacro("__ATOMIC_ACQUIRE", "2");
Builder.defineMacro("__ATOMIC_RELEASE", "3");
Builder.defineMacro("__ATOMIC_ACQ_REL", "4");
Builder.defineMacro("__ATOMIC_SEQ_CST", "5");
// Support for #pragma redefine_extname (Sun compatibility)
Builder.defineMacro("__PRAGMA_REDEFINE_EXTNAME", "1");
// As sad as it is, enough software depends on the __VERSION__ for version
// checks that it is necessary to report 4.2.1 (the base GCC version we claim
// compatibility with) first.
Builder.defineMacro("__VERSION__", "\"4.2.1 Compatible " +
Twine(getClangFullCPPVersion()) + "\"");
// Initialize language-specific preprocessor defines.
// Standard conforming mode?
if (!LangOpts.GNUMode)
Builder.defineMacro("__STRICT_ANSI__");
if (LangOpts.CPlusPlus0x)
Builder.defineMacro("__GXX_EXPERIMENTAL_CXX0X__");
if (LangOpts.ObjC1) {
if (LangOpts.ObjCNonFragileABI) {
Builder.defineMacro("__OBJC2__");
if (LangOpts.ObjCExceptions)
Builder.defineMacro("OBJC_ZEROCOST_EXCEPTIONS");
}
if (LangOpts.getGC() != LangOptions::NonGC)
Builder.defineMacro("__OBJC_GC__");
if (LangOpts.NeXTRuntime)
Builder.defineMacro("__NEXT_RUNTIME__");
}
// darwin_constant_cfstrings controls this. This is also dependent
// on other things like the runtime I believe. This is set even for C code.
if (!LangOpts.NoConstantCFStrings)
Builder.defineMacro("__CONSTANT_CFSTRINGS__");
if (LangOpts.ObjC2)
Builder.defineMacro("OBJC_NEW_PROPERTIES");
if (LangOpts.PascalStrings)
Builder.defineMacro("__PASCAL_STRINGS__");
if (LangOpts.Blocks) {
Builder.defineMacro("__block", "__attribute__((__blocks__(byref)))");
Builder.defineMacro("__BLOCKS__");
}
if (LangOpts.CXXExceptions)
Builder.defineMacro("__EXCEPTIONS");
if (LangOpts.RTTI)
Builder.defineMacro("__GXX_RTTI");
if (LangOpts.SjLjExceptions)
Builder.defineMacro("__USING_SJLJ_EXCEPTIONS__");
if (LangOpts.Deprecated)
Builder.defineMacro("__DEPRECATED");
if (LangOpts.CPlusPlus) {
Builder.defineMacro("__GNUG__", "4");
Builder.defineMacro("__GXX_WEAK__");
Builder.defineMacro("__private_extern__", "extern");
}
if (LangOpts.MicrosoftExt) {
// Both __PRETTY_FUNCTION__ and __FUNCTION__ are GCC extensions, however
// VC++ appears to only like __FUNCTION__.
Builder.defineMacro("__PRETTY_FUNCTION__", "__FUNCTION__");
// Work around some issues with Visual C++ headerws.
if (LangOpts.CPlusPlus) {
// Since we define wchar_t in C++ mode.
Builder.defineMacro("_WCHAR_T_DEFINED");
Builder.defineMacro("_NATIVE_WCHAR_T_DEFINED");
// FIXME: Support Microsoft's __identifier extension in the lexer.
Builder.append("#define __identifier(x) x");
Builder.append("class type_info;");
}
if (LangOpts.CPlusPlus0x) {
Builder.defineMacro("_HAS_CHAR16_T_LANGUAGE_SUPPORT", "1");
}
}
if (LangOpts.Optimize)
Builder.defineMacro("__OPTIMIZE__");
if (LangOpts.OptimizeSize)
Builder.defineMacro("__OPTIMIZE_SIZE__");
if (LangOpts.FastMath)
Builder.defineMacro("__FAST_MATH__");
// Initialize target-specific preprocessor defines.
// Define type sizing macros based on the target properties.
assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far");
Builder.defineMacro("__CHAR_BIT__", "8");
DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Builder);
DefineTypeSize("__SHRT_MAX__", TargetInfo::SignedShort, TI, Builder);
DefineTypeSize("__INT_MAX__", TargetInfo::SignedInt, TI, Builder);
DefineTypeSize("__LONG_MAX__", TargetInfo::SignedLong, TI, Builder);
DefineTypeSize("__LONG_LONG_MAX__", TargetInfo::SignedLongLong, TI, Builder);
DefineTypeSize("__WCHAR_MAX__", TI.getWCharType(), TI, Builder);
DefineTypeSize("__INTMAX_MAX__", TI.getIntMaxType(), TI, Builder);
DefineTypeSizeof("__SIZEOF_DOUBLE__", TI.getDoubleWidth(), TI, Builder);
DefineTypeSizeof("__SIZEOF_FLOAT__", TI.getFloatWidth(), TI, Builder);
DefineTypeSizeof("__SIZEOF_INT__", TI.getIntWidth(), TI, Builder);
DefineTypeSizeof("__SIZEOF_LONG__", TI.getLongWidth(), TI, Builder);
DefineTypeSizeof("__SIZEOF_LONG_DOUBLE__",TI.getLongDoubleWidth(),TI,Builder);
DefineTypeSizeof("__SIZEOF_LONG_LONG__", TI.getLongLongWidth(), TI, Builder);
DefineTypeSizeof("__SIZEOF_POINTER__", TI.getPointerWidth(0), TI, Builder);
DefineTypeSizeof("__SIZEOF_SHORT__", TI.getShortWidth(), TI, Builder);
DefineTypeSizeof("__SIZEOF_PTRDIFF_T__",
TI.getTypeWidth(TI.getPtrDiffType(0)), TI, Builder);
DefineTypeSizeof("__SIZEOF_SIZE_T__",
TI.getTypeWidth(TI.getSizeType()), TI, Builder);
DefineTypeSizeof("__SIZEOF_WCHAR_T__",
TI.getTypeWidth(TI.getWCharType()), TI, Builder);
DefineTypeSizeof("__SIZEOF_WINT_T__",
TI.getTypeWidth(TI.getWIntType()), TI, Builder);
DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Builder);
DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Builder);
DefineTypeWidth("__INTMAX_WIDTH__", TI.getIntMaxType(), TI, Builder);
DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Builder);
DefineTypeWidth("__PTRDIFF_WIDTH__", TI.getPtrDiffType(0), TI, Builder);
DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Builder);
DefineTypeWidth("__INTPTR_WIDTH__", TI.getIntPtrType(), TI, Builder);
DefineType("__SIZE_TYPE__", TI.getSizeType(), Builder);
DefineTypeWidth("__SIZE_WIDTH__", TI.getSizeType(), TI, Builder);
DefineType("__WCHAR_TYPE__", TI.getWCharType(), Builder);
DefineTypeWidth("__WCHAR_WIDTH__", TI.getWCharType(), TI, Builder);
DefineType("__WINT_TYPE__", TI.getWIntType(), Builder);
DefineTypeWidth("__WINT_WIDTH__", TI.getWIntType(), TI, Builder);
DefineTypeWidth("__SIG_ATOMIC_WIDTH__", TI.getSigAtomicType(), TI, Builder);
DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder);
DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder);
DefineFloatMacros(Builder, "FLT", &TI.getFloatFormat());
DefineFloatMacros(Builder, "DBL", &TI.getDoubleFormat());
DefineFloatMacros(Builder, "LDBL", &TI.getLongDoubleFormat());
// Define a __POINTER_WIDTH__ macro for stdint.h.
Builder.defineMacro("__POINTER_WIDTH__",
Twine((int)TI.getPointerWidth(0)));
if (!LangOpts.CharIsSigned)
Builder.defineMacro("__CHAR_UNSIGNED__");
if (!TargetInfo::isTypeSigned(TI.getWCharType()))
Builder.defineMacro("__WCHAR_UNSIGNED__");
if (!TargetInfo::isTypeSigned(TI.getWIntType()))
Builder.defineMacro("__WINT_UNSIGNED__");
// Define exact-width integer types for stdint.h
Builder.defineMacro("__INT" + Twine(TI.getCharWidth()) + "_TYPE__",
"char");
if (TI.getShortWidth() > TI.getCharWidth())
DefineExactWidthIntType(TargetInfo::SignedShort, TI, Builder);
if (TI.getIntWidth() > TI.getShortWidth())
DefineExactWidthIntType(TargetInfo::SignedInt, TI, Builder);
if (TI.getLongWidth() > TI.getIntWidth())
DefineExactWidthIntType(TargetInfo::SignedLong, TI, Builder);
if (TI.getLongLongWidth() > TI.getLongWidth())
DefineExactWidthIntType(TargetInfo::SignedLongLong, TI, Builder);
// Add __builtin_va_list typedef.
Builder.append(TI.getVAListDeclaration());
if (const char *Prefix = TI.getUserLabelPrefix())
Builder.defineMacro("__USER_LABEL_PREFIX__", Prefix);
// Build configuration options. FIXME: these should be controlled by
// command line options or something.
Builder.defineMacro("__FINITE_MATH_ONLY__", "0");
if (LangOpts.GNUInline)
Builder.defineMacro("__GNUC_GNU_INLINE__");
else
Builder.defineMacro("__GNUC_STDC_INLINE__");
// The value written by __atomic_test_and_set.
// FIXME: This is target-dependent.
Builder.defineMacro("__GCC_ATOMIC_TEST_AND_SET_TRUEVAL", "1");
// Used by libstdc++ to implement ATOMIC_<foo>_LOCK_FREE.
unsigned InlineWidthBits = TI.getMaxAtomicInlineWidth();
#define DEFINE_LOCK_FREE_MACRO(TYPE, Type) \
Builder.defineMacro("__GCC_ATOMIC_" #TYPE "_LOCK_FREE", \
getLockFreeValue(TI.get##Type##Width(), \
TI.get##Type##Align(), \
InlineWidthBits));
DEFINE_LOCK_FREE_MACRO(BOOL, Bool);
DEFINE_LOCK_FREE_MACRO(CHAR, Char);
DEFINE_LOCK_FREE_MACRO(CHAR16_T, Char16);
DEFINE_LOCK_FREE_MACRO(CHAR32_T, Char32);
DEFINE_LOCK_FREE_MACRO(WCHAR_T, WChar);
DEFINE_LOCK_FREE_MACRO(SHORT, Short);
DEFINE_LOCK_FREE_MACRO(INT, Int);
DEFINE_LOCK_FREE_MACRO(LONG, Long);
DEFINE_LOCK_FREE_MACRO(LLONG, LongLong);
Builder.defineMacro("__GCC_ATOMIC_POINTER_LOCK_FREE",
getLockFreeValue(TI.getPointerWidth(0),
TI.getPointerAlign(0),
InlineWidthBits));
#undef DEFINE_LOCK_FREE_MACRO
if (LangOpts.NoInlineDefine)
Builder.defineMacro("__NO_INLINE__");
if (unsigned PICLevel = LangOpts.PICLevel) {
Builder.defineMacro("__PIC__", Twine(PICLevel));
Builder.defineMacro("__pic__", Twine(PICLevel));
}
if (unsigned PIELevel = LangOpts.PIELevel) {
Builder.defineMacro("__PIE__", Twine(PIELevel));
Builder.defineMacro("__pie__", Twine(PIELevel));
}
// Macros to control C99 numerics and <float.h>
Builder.defineMacro("__FLT_EVAL_METHOD__", Twine(TI.getFloatEvalMethod()));
Builder.defineMacro("__FLT_RADIX__", "2");
int Dig = PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36);
Builder.defineMacro("__DECIMAL_DIG__", Twine(Dig));
if (LangOpts.getStackProtector() == LangOptions::SSPOn)
Builder.defineMacro("__SSP__");
else if (LangOpts.getStackProtector() == LangOptions::SSPReq)
Builder.defineMacro("__SSP_ALL__", "2");
if (FEOpts.ProgramAction == frontend::RewriteObjC)
Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))");
// Define a macro that exists only when using the static analyzer.
if (FEOpts.ProgramAction == frontend::RunAnalysis)
Builder.defineMacro("__clang_analyzer__");
if (LangOpts.FastRelaxedMath)
Builder.defineMacro("__FAST_RELAXED_MATH__");
if (LangOpts.ObjCAutoRefCount) {
Builder.defineMacro("__weak", "__attribute__((objc_ownership(weak)))");
Builder.defineMacro("__strong", "__attribute__((objc_ownership(strong)))");
Builder.defineMacro("__autoreleasing",
"__attribute__((objc_ownership(autoreleasing)))");
Builder.defineMacro("__unsafe_unretained",
"__attribute__((objc_ownership(none)))");
}
// Get other target #defines.
TI.getTargetDefines(LangOpts, Builder);
}
static void InitializePredefinedMacros(const TargetInfo &TI,
const LangOptions &LangOpts,
std::vector<char> &Buf) {
char MacroBuf[60];
// Compiler version introspection macros.
DefineBuiltinMacro(Buf, "__llvm__=1"); // LLVM Backend
DefineBuiltinMacro(Buf, "__clang__=1"); // Clang Frontend
// Currently claim to be compatible with GCC 4.2.1-5621.
DefineBuiltinMacro(Buf, "__GNUC_MINOR__=2");
DefineBuiltinMacro(Buf, "__GNUC_PATCHLEVEL__=1");
DefineBuiltinMacro(Buf, "__GNUC__=4");
DefineBuiltinMacro(Buf, "__GXX_ABI_VERSION=1002");
DefineBuiltinMacro(Buf, "__VERSION__=\"4.2.1 Compatible Clang Compiler\"");
// Initialize language-specific preprocessor defines.
// These should all be defined in the preprocessor according to the
// current language configuration.
if (!LangOpts.Microsoft)
DefineBuiltinMacro(Buf, "__STDC__=1");
if (LangOpts.AsmPreprocessor)
DefineBuiltinMacro(Buf, "__ASSEMBLER__=1");
if (!LangOpts.CPlusPlus) {
if (LangOpts.C99)
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199901L");
else if (!LangOpts.GNUMode && LangOpts.Digraphs)
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199409L");
}
// Standard conforming mode?
if (!LangOpts.GNUMode)
DefineBuiltinMacro(Buf, "__STRICT_ANSI__=1");
if (LangOpts.CPlusPlus0x)
DefineBuiltinMacro(Buf, "__GXX_EXPERIMENTAL_CXX0X__");
if (LangOpts.Freestanding)
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=0");
else
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=1");
if (LangOpts.ObjC1) {
DefineBuiltinMacro(Buf, "__OBJC__=1");
if (LangOpts.ObjCNonFragileABI) {
DefineBuiltinMacro(Buf, "__OBJC2__=1");
DefineBuiltinMacro(Buf, "OBJC_ZEROCOST_EXCEPTIONS=1");
}
if (LangOpts.getGCMode() != LangOptions::NonGC)
DefineBuiltinMacro(Buf, "__OBJC_GC__=1");
if (LangOpts.NeXTRuntime)
DefineBuiltinMacro(Buf, "__NEXT_RUNTIME__=1");
}
// darwin_constant_cfstrings controls this. This is also dependent
// on other things like the runtime I believe. This is set even for C code.
DefineBuiltinMacro(Buf, "__CONSTANT_CFSTRINGS__=1");
if (LangOpts.ObjC2)
DefineBuiltinMacro(Buf, "OBJC_NEW_PROPERTIES");
if (LangOpts.PascalStrings)
DefineBuiltinMacro(Buf, "__PASCAL_STRINGS__");
if (LangOpts.Blocks) {
DefineBuiltinMacro(Buf, "__block=__attribute__((__blocks__(byref)))");
DefineBuiltinMacro(Buf, "__BLOCKS__=1");
}
if (LangOpts.Exceptions)
DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
if (LangOpts.CPlusPlus) {
DefineBuiltinMacro(Buf, "__DEPRECATED=1");
DefineBuiltinMacro(Buf, "__GNUG__=4");
DefineBuiltinMacro(Buf, "__GXX_WEAK__=1");
if (LangOpts.GNUMode)
DefineBuiltinMacro(Buf, "__cplusplus=1");
else
// C++ [cpp.predefined]p1:
// The name_ _cplusplusis defined to the value199711Lwhen compiling a
// C++ translation unit.
DefineBuiltinMacro(Buf, "__cplusplus=199711L");
DefineBuiltinMacro(Buf, "__private_extern__=extern");
// Ugly hack to work with GNU libstdc++.
DefineBuiltinMacro(Buf, "_GNU_SOURCE=1");
}
if (LangOpts.Microsoft) {
// Filter out some microsoft extensions when trying to parse in ms-compat
// mode.
DefineBuiltinMacro(Buf, "__int8=__INT8_TYPE__");
DefineBuiltinMacro(Buf, "__int16=__INT16_TYPE__");
DefineBuiltinMacro(Buf, "__int32=__INT32_TYPE__");
DefineBuiltinMacro(Buf, "__int64=__INT64_TYPE__");
// Both __PRETTY_FUNCTION__ and __FUNCTION__ are GCC extensions, however
// VC++ appears to only like __FUNCTION__.
DefineBuiltinMacro(Buf, "__PRETTY_FUNCTION__=__FUNCTION__");
// Work around some issues with Visual C++ headerws.
if (LangOpts.CPlusPlus) {
// Since we define wchar_t in C++ mode.
DefineBuiltinMacro(Buf, "_WCHAR_T_DEFINED=1");
DefineBuiltinMacro(Buf, "_NATIVE_WCHAR_T_DEFINED=1");
// FIXME: This should be temporary until we have a __pragma
// solution, to avoid some errors flagged in VC++ headers.
DefineBuiltinMacro(Buf, "_CRT_SECURE_CPP_OVERLOAD_SECURE_NAMES=0");
}
}
if (LangOpts.Optimize)
DefineBuiltinMacro(Buf, "__OPTIMIZE__=1");
if (LangOpts.OptimizeSize)
DefineBuiltinMacro(Buf, "__OPTIMIZE_SIZE__=1");
// Initialize target-specific preprocessor defines.
// Define type sizing macros based on the target properties.
assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far");
DefineBuiltinMacro(Buf, "__CHAR_BIT__=8");
DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Buf);
DefineTypeSize("__SHRT_MAX__", TargetInfo::SignedShort, TI, Buf);
DefineTypeSize("__INT_MAX__", TargetInfo::SignedInt, TI, Buf);
DefineTypeSize("__LONG_MAX__", TargetInfo::SignedLong, TI, Buf);
DefineTypeSize("__LONG_LONG_MAX__", TargetInfo::SignedLongLong, TI, Buf);
DefineTypeSize("__WCHAR_MAX__", TI.getWCharType(), TI, Buf);
DefineTypeSize("__INTMAX_MAX__", TI.getIntMaxType(), TI, Buf);
DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Buf);
DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Buf);
DefineTypeWidth("__INTMAX_WIDTH__", TI.getIntMaxType(), TI, Buf);
DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Buf);
DefineTypeWidth("__PTRDIFF_WIDTH__", TI.getPtrDiffType(0), TI, Buf);
DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Buf);
DefineTypeWidth("__INTPTR_WIDTH__", TI.getIntPtrType(), TI, Buf);
DefineType("__SIZE_TYPE__", TI.getSizeType(), Buf);
DefineTypeWidth("__SIZE_WIDTH__", TI.getSizeType(), TI, Buf);
DefineType("__WCHAR_TYPE__", TI.getWCharType(), Buf);
DefineTypeWidth("__WCHAR_WIDTH__", TI.getWCharType(), TI, Buf);
DefineType("__WINT_TYPE__", TI.getWIntType(), Buf);
DefineTypeWidth("__WINT_WIDTH__", TI.getWIntType(), TI, Buf);
DefineTypeWidth("__SIG_ATOMIC_WIDTH__", TI.getSigAtomicType(), TI, Buf);
DefineFloatMacros(Buf, "FLT", &TI.getFloatFormat());
DefineFloatMacros(Buf, "DBL", &TI.getDoubleFormat());
DefineFloatMacros(Buf, "LDBL", &TI.getLongDoubleFormat());
// Define a __POINTER_WIDTH__ macro for stdint.h.
sprintf(MacroBuf, "__POINTER_WIDTH__=%d", (int)TI.getPointerWidth(0));
DefineBuiltinMacro(Buf, MacroBuf);
if (!LangOpts.CharIsSigned)
DefineBuiltinMacro(Buf, "__CHAR_UNSIGNED__");
// Define exact-width integer types for stdint.h
sprintf(MacroBuf, "__INT%d_TYPE__=char", TI.getCharWidth());
DefineBuiltinMacro(Buf, MacroBuf);
if (TI.getShortWidth() > TI.getCharWidth())
DefineExactWidthIntType(TargetInfo::SignedShort, TI, Buf);
if (TI.getIntWidth() > TI.getShortWidth())
DefineExactWidthIntType(TargetInfo::SignedInt, TI, Buf);
if (TI.getLongWidth() > TI.getIntWidth())
DefineExactWidthIntType(TargetInfo::SignedLong, TI, Buf);
if (TI.getLongLongWidth() > TI.getLongWidth())
DefineExactWidthIntType(TargetInfo::SignedLongLong, TI, Buf);
// Add __builtin_va_list typedef.
{
const char *VAList = TI.getVAListDeclaration();
Buf.insert(Buf.end(), VAList, VAList+strlen(VAList));
Buf.push_back('\n');
}
if (const char *Prefix = TI.getUserLabelPrefix()) {
sprintf(MacroBuf, "__USER_LABEL_PREFIX__=%s", Prefix);
DefineBuiltinMacro(Buf, MacroBuf);
}
// Build configuration options. FIXME: these should be controlled by
// command line options or something.
DefineBuiltinMacro(Buf, "__FINITE_MATH_ONLY__=0");
if (LangOpts.GNUInline)
DefineBuiltinMacro(Buf, "__GNUC_GNU_INLINE__=1");
else
DefineBuiltinMacro(Buf, "__GNUC_STDC_INLINE__=1");
if (LangOpts.NoInline)
DefineBuiltinMacro(Buf, "__NO_INLINE__=1");
if (unsigned PICLevel = LangOpts.PICLevel) {
sprintf(MacroBuf, "__PIC__=%d", PICLevel);
DefineBuiltinMacro(Buf, MacroBuf);
sprintf(MacroBuf, "__pic__=%d", PICLevel);
DefineBuiltinMacro(Buf, MacroBuf);
}
// Macros to control C99 numerics and <float.h>
DefineBuiltinMacro(Buf, "__FLT_EVAL_METHOD__=0");
DefineBuiltinMacro(Buf, "__FLT_RADIX__=2");
sprintf(MacroBuf, "__DECIMAL_DIG__=%d",
PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36));
DefineBuiltinMacro(Buf, MacroBuf);
if (LangOpts.getStackProtectorMode() == LangOptions::SSPOn)
DefineBuiltinMacro(Buf, "__SSP__=1");
else if (LangOpts.getStackProtectorMode() == LangOptions::SSPReq)
DefineBuiltinMacro(Buf, "__SSP_ALL__=2");
// Get other target #defines.
TI.getTargetDefines(LangOpts, Buf);
}
static void InitializePredefinedMacros(const TargetInfo &TI,
const LangOptions &LangOpts,
std::vector<char> &Buf) {
char MacroBuf[60];
// Compiler version introspection macros.
DefineBuiltinMacro(Buf, "__llvm__=1"); // LLVM Backend
DefineBuiltinMacro(Buf, "__clang__=1"); // Clang Frontend
// Currently claim to be compatible with GCC 4.2.1-5621.
DefineBuiltinMacro(Buf, "__GNUC_MINOR__=2");
DefineBuiltinMacro(Buf, "__GNUC_PATCHLEVEL__=1");
DefineBuiltinMacro(Buf, "__GNUC__=4");
DefineBuiltinMacro(Buf, "__GXX_ABI_VERSION=1002");
DefineBuiltinMacro(Buf, "__VERSION__=\"4.2.1 Compatible Clang Compiler\"");
// Initialize language-specific preprocessor defines.
// These should all be defined in the preprocessor according to the
// current language configuration.
if (!LangOpts.Microsoft)
DefineBuiltinMacro(Buf, "__STDC__=1");
if (LangOpts.AsmPreprocessor)
DefineBuiltinMacro(Buf, "__ASSEMBLER__=1");
if (!LangOpts.CPlusPlus) {
if (LangOpts.C99)
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199901L");
else if (!LangOpts.GNUMode && LangOpts.Digraphs)
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199409L");
}
// Standard conforming mode?
if (!LangOpts.GNUMode)
DefineBuiltinMacro(Buf, "__STRICT_ANSI__=1");
if (LangOpts.CPlusPlus0x)
DefineBuiltinMacro(Buf, "__GXX_EXPERIMENTAL_CXX0X__");
if (LangOpts.Freestanding)
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=0");
else
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=1");
if (LangOpts.ObjC1) {
DefineBuiltinMacro(Buf, "__OBJC__=1");
if (LangOpts.ObjCNonFragileABI) {
DefineBuiltinMacro(Buf, "__OBJC2__=1");
DefineBuiltinMacro(Buf, "OBJC_ZEROCOST_EXCEPTIONS=1");
DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
}
if (LangOpts.getGCMode() != LangOptions::NonGC)
DefineBuiltinMacro(Buf, "__OBJC_GC__=1");
if (LangOpts.NeXTRuntime)
DefineBuiltinMacro(Buf, "__NEXT_RUNTIME__=1");
}
// darwin_constant_cfstrings controls this. This is also dependent
// on other things like the runtime I believe. This is set even for C code.
DefineBuiltinMacro(Buf, "__CONSTANT_CFSTRINGS__=1");
if (LangOpts.ObjC2)
DefineBuiltinMacro(Buf, "OBJC_NEW_PROPERTIES");
if (LangOpts.ObjCSenderDispatch)
DefineBuiltinMacro(Buf, "__OBJC_SENDER_AWARE_DISPATCH__");
if (LangOpts.PascalStrings)
DefineBuiltinMacro(Buf, "__PASCAL_STRINGS__");
if (LangOpts.Blocks) {
DefineBuiltinMacro(Buf, "__block=__attribute__((__blocks__(byref)))");
DefineBuiltinMacro(Buf, "__BLOCKS__=1");
}
if (LangOpts.CPlusPlus) {
DefineBuiltinMacro(Buf, "__DEPRECATED=1");
DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
DefineBuiltinMacro(Buf, "__GNUG__=4");
DefineBuiltinMacro(Buf, "__GXX_WEAK__=1");
if (LangOpts.GNUMode)
DefineBuiltinMacro(Buf, "__cplusplus=1");
else
// C++ [cpp.predefined]p1:
// The name_ _cplusplusis defined to the value199711Lwhen compiling a
// C++ translation unit.
DefineBuiltinMacro(Buf, "__cplusplus=199711L");
DefineBuiltinMacro(Buf, "__private_extern__=extern");
}
// Filter out some microsoft extensions when trying to parse in ms-compat
// mode.
if (LangOpts.Microsoft) {
DefineBuiltinMacro(Buf, "__int8=__INT8_TYPE__");
DefineBuiltinMacro(Buf, "__int16=__INT16_TYPE__");
DefineBuiltinMacro(Buf, "__int32=__INT32_TYPE__");
DefineBuiltinMacro(Buf, "__int64=__INT64_TYPE__");
}
if (LangOpts.Optimize)
DefineBuiltinMacro(Buf, "__OPTIMIZE__=1");
if (LangOpts.OptimizeSize)
DefineBuiltinMacro(Buf, "__OPTIMIZE_SIZE__=1");
// Initialize target-specific preprocessor defines.
// Define type sizing macros based on the target properties.
assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far");
DefineBuiltinMacro(Buf, "__CHAR_BIT__=8");
unsigned IntMaxWidth;
const char *IntMaxSuffix;
if (TI.getIntMaxType() == TargetInfo::SignedLongLong) {
IntMaxWidth = TI.getLongLongWidth();
IntMaxSuffix = "LL";
} else if (TI.getIntMaxType() == TargetInfo::SignedLong) {
IntMaxWidth = TI.getLongWidth();
IntMaxSuffix = "L";
} else {
assert(TI.getIntMaxType() == TargetInfo::SignedInt);
IntMaxWidth = TI.getIntWidth();
IntMaxSuffix = "";
}
DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Buf);
DefineTypeSize("__SHRT_MAX__", TI.getShortWidth(), "", true, Buf);
DefineTypeSize("__INT_MAX__", TI.getIntWidth(), "", true, Buf);
DefineTypeSize("__LONG_MAX__", TI.getLongWidth(), "L", true, Buf);
DefineTypeSize("__LONG_LONG_MAX__", TI.getLongLongWidth(), "LL", true, Buf);
DefineTypeSize("__WCHAR_MAX__", TI.getWCharWidth(), "", true, Buf);
DefineTypeSize("__INTMAX_MAX__", IntMaxWidth, IntMaxSuffix, true, Buf);
DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Buf);
DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Buf);
DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Buf);
DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Buf);
DefineType("__SIZE_TYPE__", TI.getSizeType(), Buf);
DefineType("__WCHAR_TYPE__", TI.getWCharType(), Buf);
// FIXME: TargetInfo hookize __WINT_TYPE__.
DefineBuiltinMacro(Buf, "__WINT_TYPE__=int");
DefineFloatMacros(Buf, "FLT", &TI.getFloatFormat());
DefineFloatMacros(Buf, "DBL", &TI.getDoubleFormat());
DefineFloatMacros(Buf, "LDBL", &TI.getLongDoubleFormat());
// Define a __POINTER_WIDTH__ macro for stdint.h.
sprintf(MacroBuf, "__POINTER_WIDTH__=%d", (int)TI.getPointerWidth(0));
DefineBuiltinMacro(Buf, MacroBuf);
if (!LangOpts.CharIsSigned)
DefineBuiltinMacro(Buf, "__CHAR_UNSIGNED__");
// Define fixed-sized integer types for stdint.h
assert(TI.getCharWidth() == 8 && "unsupported target types");
assert(TI.getShortWidth() == 16 && "unsupported target types");
DefineBuiltinMacro(Buf, "__INT8_TYPE__=char");
DefineBuiltinMacro(Buf, "__INT16_TYPE__=short");
if (TI.getIntWidth() == 32)
DefineBuiltinMacro(Buf, "__INT32_TYPE__=int");
else {
assert(TI.getLongLongWidth() == 32 && "unsupported target types");
DefineBuiltinMacro(Buf, "__INT32_TYPE__=long long");
}
// 16-bit targets doesn't necessarily have a 64-bit type.
if (TI.getLongLongWidth() == 64)
DefineType("__INT64_TYPE__", TI.getInt64Type(), Buf);
// Add __builtin_va_list typedef.
{
const char *VAList = TI.getVAListDeclaration();
Buf.insert(Buf.end(), VAList, VAList+strlen(VAList));
Buf.push_back('\n');
}
if (const char *Prefix = TI.getUserLabelPrefix()) {
sprintf(MacroBuf, "__USER_LABEL_PREFIX__=%s", Prefix);
DefineBuiltinMacro(Buf, MacroBuf);
}
// Build configuration options. FIXME: these should be controlled by
// command line options or something.
DefineBuiltinMacro(Buf, "__FINITE_MATH_ONLY__=0");
if (LangOpts.GNUInline)
DefineBuiltinMacro(Buf, "__GNUC_GNU_INLINE__=1");
else
DefineBuiltinMacro(Buf, "__GNUC_STDC_INLINE__=1");
if (LangOpts.NoInline)
DefineBuiltinMacro(Buf, "__NO_INLINE__=1");
if (unsigned PICLevel = LangOpts.PICLevel) {
sprintf(MacroBuf, "__PIC__=%d", PICLevel);
DefineBuiltinMacro(Buf, MacroBuf);
sprintf(MacroBuf, "__pic__=%d", PICLevel);
DefineBuiltinMacro(Buf, MacroBuf);
}
// Macros to control C99 numerics and <float.h>
DefineBuiltinMacro(Buf, "__FLT_EVAL_METHOD__=0");
DefineBuiltinMacro(Buf, "__FLT_RADIX__=2");
sprintf(MacroBuf, "__DECIMAL_DIG__=%d",
PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36));
DefineBuiltinMacro(Buf, MacroBuf);
if (LangOpts.getStackProtectorMode() == LangOptions::SSPOn)
DefineBuiltinMacro(Buf, "__SSP__=1");
else if (LangOpts.getStackProtectorMode() == LangOptions::SSPReq)
DefineBuiltinMacro(Buf, "__SSP_ALL__=2");
// Get other target #defines.
TI.getTargetDefines(LangOpts, Buf);
}