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/IR/LegacyPassManager.h" 22#include "llvm/Analysis/TargetLibraryInfo.h" 23#include <cstring> 24 25using namespace llvm; 26 27// Avoid including "llvm-c/Core.h" for compile time, fwd-declare this instead. 28extern "C" LLVMContextRef LLVMGetGlobalContext(void); 29 30inline TargetLibraryInfoImpl *unwrap(LLVMTargetLibraryInfoRef P) { 31 return reinterpret_cast<TargetLibraryInfoImpl*>(P); 32} 33 34inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfoImpl *P) { 35 TargetLibraryInfoImpl *X = const_cast<TargetLibraryInfoImpl*>(P); 36 return reinterpret_cast<LLVMTargetLibraryInfoRef>(X); 37} 38 39void llvm::initializeTarget(PassRegistry &Registry) { 40 initializeTargetLibraryInfoWrapperPassPass(Registry); 41 initializeTargetTransformInfoWrapperPassPass(Registry); 42} 43 44void LLVMInitializeTarget(LLVMPassRegistryRef R) { 45 initializeTarget(*unwrap(R)); 46} 47 48LLVMTargetDataRef LLVMGetModuleDataLayout(LLVMModuleRef M) { 49 return wrap(&unwrap(M)->getDataLayout()); 50} 51 52void LLVMSetModuleDataLayout(LLVMModuleRef M, LLVMTargetDataRef DL) { 53 unwrap(M)->setDataLayout(*unwrap(DL)); 54} 55 56LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) { 57 return wrap(new DataLayout(StringRep)); 58} 59 60void LLVMDisposeTargetData(LLVMTargetDataRef TD) { 61 delete unwrap(TD); 62} 63 64void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI, 65 LLVMPassManagerRef PM) { 66 unwrap(PM)->add(new TargetLibraryInfoWrapperPass(*unwrap(TLI))); 67} 68 69char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) { 70 std::string StringRep = unwrap(TD)->getStringRepresentation(); 71 return strdup(StringRep.c_str()); 72} 73 74LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) { 75 return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian; 76} 77 78unsigned LLVMPointerSize(LLVMTargetDataRef TD) { 79 return unwrap(TD)->getPointerSize(0); 80} 81 82unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) { 83 return unwrap(TD)->getPointerSize(AS); 84} 85 86LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) { 87 return wrap(unwrap(TD)->getIntPtrType(*unwrap(LLVMGetGlobalContext()))); 88} 89 90LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) { 91 return wrap(unwrap(TD)->getIntPtrType(*unwrap(LLVMGetGlobalContext()), AS)); 92} 93 94LLVMTypeRef LLVMIntPtrTypeInContext(LLVMContextRef C, LLVMTargetDataRef TD) { 95 return wrap(unwrap(TD)->getIntPtrType(*unwrap(C))); 96} 97 98LLVMTypeRef LLVMIntPtrTypeForASInContext(LLVMContextRef C, LLVMTargetDataRef TD, unsigned AS) { 99 return wrap(unwrap(TD)->getIntPtrType(*unwrap(C), AS)); 100} 101 102unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 103 return unwrap(TD)->getTypeSizeInBits(unwrap(Ty)); 104} 105 106unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 107 return unwrap(TD)->getTypeStoreSize(unwrap(Ty)); 108} 109 110unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 111 return unwrap(TD)->getTypeAllocSize(unwrap(Ty)); 112} 113 114unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 115 return unwrap(TD)->getABITypeAlignment(unwrap(Ty)); 116} 117 118unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 119 return unwrap(TD)->getABITypeAlignment(unwrap(Ty)); 120} 121 122unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 123 return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty)); 124} 125 126unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD, 127 LLVMValueRef GlobalVar) { 128 return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar)); 129} 130 131unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy, 132 unsigned long long Offset) { 133 StructType *STy = unwrap<StructType>(StructTy); 134 return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset); 135} 136 137unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy, 138 unsigned Element) { 139 StructType *STy = unwrap<StructType>(StructTy); 140 return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element); 141} 142