Target.cpp revision ef58218b8dd9afc0251eeb673c10d448da45d281
1//===-- Target.cpp --------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file implements the common infrastructure (including C bindings) for 11// libLLVMTarget.a, which implements target information. 12// 13//===----------------------------------------------------------------------===// 14 15#include "llvm-c/Target.h" 16#include "llvm-c/Initialization.h" 17#include "llvm/InitializePasses.h" 18#include "llvm/PassManager.h" 19#include "llvm/Target/TargetData.h" 20#include "llvm/LLVMContext.h" 21#include <cstring> 22 23using namespace llvm; 24 25void llvm::initializeTarget(PassRegistry &Registry) { 26 initializeTargetDataPass(Registry); 27 initializeTargetLibraryInfoPass(Registry); 28} 29 30void LLVMInitializeTarget(LLVMPassRegistryRef R) { 31 initializeTarget(*unwrap(R)); 32} 33 34LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) { 35 return wrap(new TargetData(StringRep)); 36} 37 38void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) { 39 unwrap(PM)->add(new TargetData(*unwrap(TD))); 40} 41 42char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) { 43 std::string StringRep = unwrap(TD)->getStringRepresentation(); 44 return strdup(StringRep.c_str()); 45} 46 47LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) { 48 return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian; 49} 50 51unsigned LLVMPointerSize(LLVMTargetDataRef TD) { 52 return unwrap(TD)->getPointerSize(); 53} 54 55LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) { 56 return wrap(unwrap(TD)->getIntPtrType(getGlobalContext())); 57} 58 59unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 60 return unwrap(TD)->getTypeSizeInBits(unwrap(Ty)); 61} 62 63unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 64 return unwrap(TD)->getTypeStoreSize(unwrap(Ty)); 65} 66 67unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 68 return unwrap(TD)->getTypeAllocSize(unwrap(Ty)); 69} 70 71unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 72 return unwrap(TD)->getABITypeAlignment(unwrap(Ty)); 73} 74 75unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 76 return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty)); 77} 78 79unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 80 return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty)); 81} 82 83unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD, 84 LLVMValueRef GlobalVar) { 85 return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar)); 86} 87 88unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy, 89 unsigned long long Offset) { 90 const StructType *STy = unwrap<StructType>(StructTy); 91 return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset); 92} 93 94unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy, 95 unsigned Element) { 96 const StructType *STy = unwrap<StructType>(StructTy); 97 return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element); 98} 99 100void LLVMDisposeTargetData(LLVMTargetDataRef TD) { 101 delete unwrap(TD); 102} 103