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Give TargetInfo a new IntPtrType to hold the intptr_t type for 

a target.

Make Preprocessor.cpp define a new __INTPTR_TYPE__ macro based on this.

On linux/32, set intptr_t to int, instead of long.  This fixes PR3563.

llvm-svn: 64495
This commit is contained in:
Chris Lattner 2009-02-13 22:28:55 +00:00
parent 02b63b4287
commit 7e4c81c8c6
5 changed files with 8 additions and 20 deletions
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3
clang/include/clang/Basic/TargetInfo.h
View File

@ -72,7 +72,7 @@ public:
UnsignedLongLong
};
protected:
IntType SizeType, IntMaxType, UIntMaxType, PtrDiffType, WCharType;
IntType SizeType, IntMaxType, UIntMaxType, PtrDiffType, IntPtrType, WCharType;
public:
IntType getSizeType() const { return SizeType; }
IntType getIntMaxType() const { return IntMaxType; }
@ -80,6 +80,7 @@ public:
IntType getPtrDiffType(unsigned AddrSpace) const {
return AddrSpace == 0 ? PtrDiffType : getPtrDiffTypeV(AddrSpace);
}
IntType getIntPtrType() const { return IntPtrType; }
IntType getWCharType() const { return WCharType; }
/// isCharSigned - Return true if 'char' is 'signed char' or false if it is

1
clang/lib/Basic/TargetInfo.cpp
View File

@ -39,6 +39,7 @@ TargetInfo::TargetInfo(const std::string &T) : Triple(T) {
PtrDiffType = SignedLong;
IntMaxType = SignedLongLong;
UIntMaxType = UnsignedLongLong;
IntPtrType = SignedLong;
WCharType = SignedInt;
FloatFormat = &llvm::APFloat::IEEEsingle;
DoubleFormat = &llvm::APFloat::IEEEdouble;

2
clang/lib/Basic/Targets.cpp
View File

@ -629,6 +629,7 @@ public:
UserLabelPrefix = "";
SizeType = UnsignedInt;
PtrDiffType = SignedInt;
IntPtrType = SignedInt;
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
X86_32TargetInfo::getTargetDefines(Defines);
@ -937,6 +938,7 @@ namespace {
SizeType = UnsignedInt;
IntMaxType = SignedLong;
UIntMaxType = UnsignedLong;
IntPtrType = SignedShort;
PtrDiffType = SignedInt;
DescriptionString = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8";
}

21
clang/lib/Headers/stdint.h
View File

@ -70,25 +70,8 @@ typedef uint64_t uint_fast64_t;
/* C99 7.18.1.4 Integer types capable of holding object pointers.
*/
#if (1LL << (__POINTER_WIDTH__-1))-1 == __LONG_MAX__
/* If the pointer size is equal to long, use long. This is for compatibility
* with many systems which just use long and expect it to work in 32-bit and
* 64-bit mode. If long is not suitable, we use a fixed size type below.
*/
typedef long intptr_t;
typedef unsigned long uintptr_t;
#elif __POINTER_WIDTH__ == 64
typedef int64_t intptr_t;
typedef uint64_t uintptr_t;
#elif __POINTER_WIDTH__ == 32
typedef int32_t intptr_t;
typedef uint32_t uintptr_t;
#elif __POINTER_WIDTH__ == 16
typedef int16_t intptr_t;
typedef uint16_t uintptr_t;
#else
#error "unknown or unset pointer width!"
#endif
typedef __INTPTR_TYPE__ intptr_t;
typedef unsigned __INTPTR_TYPE__ uintptr_t;
/* C99 7.18.1.5 Greatest-width integer types.
*/

1
clang/lib/Lex/Preprocessor.cpp
View File

@ -557,6 +557,7 @@ static void InitializePredefinedMacros(Preprocessor &PP,
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__.