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/IR/DataLayout.h" 18#include "llvm/IR/LLVMContext.h" 19#include "llvm/IR/Value.h" 20#include "llvm/InitializePasses.h" 21#include "llvm/PassManager.h" 22#include "llvm/Target/TargetLibraryInfo.h" 23#include <cstring> 24 25using namespace llvm; 26 27inline DataLayout *unwrap(LLVMTargetDataRef P) { 28 return reinterpret_cast<DataLayout*>(P); 29} 30 31inline LLVMTargetDataRef wrap(const DataLayout *P) { 32 return reinterpret_cast<LLVMTargetDataRef>(const_cast<DataLayout*>(P)); 33} 34 35inline TargetLibraryInfo *unwrap(LLVMTargetLibraryInfoRef P) { 36 return reinterpret_cast<TargetLibraryInfo*>(P); 37} 38 39inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfo *P) { 40 TargetLibraryInfo *X = const_cast<TargetLibraryInfo*>(P); 41 return reinterpret_cast<LLVMTargetLibraryInfoRef>(X); 42} 43 44void llvm::initializeTarget(PassRegistry &Registry) { 45 initializeDataLayoutPass(Registry); 46 initializeTargetLibraryInfoPass(Registry); 47} 48 49void LLVMInitializeTarget(LLVMPassRegistryRef R) { 50 initializeTarget(*unwrap(R)); 51} 52 53LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) { 54 return wrap(new DataLayout(StringRep)); 55} 56 57void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) { 58 unwrap(PM)->add(new DataLayout(*unwrap(TD))); 59} 60 61void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI, 62 LLVMPassManagerRef PM) { 63 unwrap(PM)->add(new TargetLibraryInfo(*unwrap(TLI))); 64} 65 66char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) { 67 std::string StringRep = unwrap(TD)->getStringRepresentation(); 68 return strdup(StringRep.c_str()); 69} 70 71LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) { 72 return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian; 73} 74 75unsigned LLVMPointerSize(LLVMTargetDataRef TD) { 76 return unwrap(TD)->getPointerSize(0); 77} 78 79unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) { 80 return unwrap(TD)->getPointerSize(AS); 81} 82 83LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) { 84 return wrap(unwrap(TD)->getIntPtrType(getGlobalContext())); 85} 86 87LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) { 88 return wrap(unwrap(TD)->getIntPtrType(getGlobalContext(), AS)); 89} 90 91unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 92 return unwrap(TD)->getTypeSizeInBits(unwrap(Ty)); 93} 94 95unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 96 return unwrap(TD)->getTypeStoreSize(unwrap(Ty)); 97} 98 99unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 100 return unwrap(TD)->getTypeAllocSize(unwrap(Ty)); 101} 102 103unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 104 return unwrap(TD)->getABITypeAlignment(unwrap(Ty)); 105} 106 107unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 108 return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty)); 109} 110 111unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 112 return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty)); 113} 114 115unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD, 116 LLVMValueRef GlobalVar) { 117 return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar)); 118} 119 120unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy, 121 unsigned long long Offset) { 122 StructType *STy = unwrap<StructType>(StructTy); 123 return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset); 124} 125 126unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy, 127 unsigned Element) { 128 StructType *STy = unwrap<StructType>(StructTy); 129 return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element); 130} 131 132void LLVMDisposeTargetData(LLVMTargetDataRef TD) { 133 delete unwrap(TD); 134} 135