static void DefineExactWidthIntTypeSize(TargetInfo::IntType Ty,
const TargetInfo &TI,
MacroBuilder &Builder) {
int TypeWidth = TI.getTypeWidth(Ty);
bool IsSigned = TI.isTypeSigned(Ty);
// Use the target specified int64 type, when appropriate, so that [u]int64_t
// ends up being defined in terms of the correct type.
if (TypeWidth == 64)
Ty = IsSigned ? TI.getInt64Type() : TI.getUInt64Type();
const char *Prefix = IsSigned ? "__INT" : "__UINT";
DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder);
}
static void DefineExactWidthIntType(TargetInfo::IntType Ty,
const TargetInfo &TI, MacroBuilder &Builder) {
int TypeWidth = TI.getTypeWidth(Ty);
// Use the target specified int64 type, when appropriate, so that [u]int64_t
// ends up being defined in terms of the correct type.
if (TypeWidth == 64)
Ty = TI.getInt64Type();
DefineType("__INT" + Twine(TypeWidth) + "_TYPE__", Ty, Builder);
StringRef ConstSuffix(TargetInfo::getTypeConstantSuffix(Ty));
if (!ConstSuffix.empty())
Builder.defineMacro("__INT" + Twine(TypeWidth) + "_C_SUFFIX__",
ConstSuffix);
}
static void DefineExactWidthIntType(TargetInfo::IntType Ty,
const TargetInfo &TI,
MacroBuilder &Builder) {
int TypeWidth = TI.getTypeWidth(Ty);
bool IsSigned = TI.isTypeSigned(Ty);
// Use the target specified int64 type, when appropriate, so that [u]int64_t
// ends up being defined in terms of the correct type.
if (TypeWidth == 64)
Ty = IsSigned ? TI.getInt64Type() : TI.getIntTypeByWidth(64, false);
const char *Prefix = IsSigned ? "__INT" : "__UINT";
DefineType(Prefix + Twine(TypeWidth) + "_TYPE__", Ty, Builder);
StringRef ConstSuffix(TargetInfo::getTypeConstantSuffix(Ty));
if (!ConstSuffix.empty())
Builder.defineMacro(Prefix + Twine(TypeWidth) + "_C_SUFFIX__", ConstSuffix);
}
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);
}