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 TargetLibraryInfo *unwrap(LLVMTargetLibraryInfoRef P) { 28 return reinterpret_cast<TargetLibraryInfo*>(P); 29} 30 31inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfo *P) { 32 TargetLibraryInfo *X = const_cast<TargetLibraryInfo*>(P); 33 return reinterpret_cast<LLVMTargetLibraryInfoRef>(X); 34} 35 36void llvm::initializeTarget(PassRegistry &Registry) { 37 initializeDataLayoutPassPass(Registry); 38 initializeTargetLibraryInfoPass(Registry); 39} 40 41void LLVMInitializeTarget(LLVMPassRegistryRef R) { 42 initializeTarget(*unwrap(R)); 43} 44 45LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) { 46 return wrap(new DataLayout(StringRep)); 47} 48 49void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) { 50 // The DataLayoutPass must now be in sync with the module. Unfortunatelly we 51 // cannot enforce that from the C api. 52 unwrap(PM)->add(new DataLayoutPass(*unwrap(TD))); 53} 54 55void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI, 56 LLVMPassManagerRef PM) { 57 unwrap(PM)->add(new TargetLibraryInfo(*unwrap(TLI))); 58} 59 60char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) { 61 std::string StringRep = unwrap(TD)->getStringRepresentation(); 62 return strdup(StringRep.c_str()); 63} 64 65LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) { 66 return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian; 67} 68 69unsigned LLVMPointerSize(LLVMTargetDataRef TD) { 70 return unwrap(TD)->getPointerSize(0); 71} 72 73unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) { 74 return unwrap(TD)->getPointerSize(AS); 75} 76 77LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) { 78 return wrap(unwrap(TD)->getIntPtrType(getGlobalContext())); 79} 80 81LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) { 82 return wrap(unwrap(TD)->getIntPtrType(getGlobalContext(), AS)); 83} 84 85LLVMTypeRef LLVMIntPtrTypeInContext(LLVMContextRef C, LLVMTargetDataRef TD) { 86 return wrap(unwrap(TD)->getIntPtrType(*unwrap(C))); 87} 88 89LLVMTypeRef LLVMIntPtrTypeForASInContext(LLVMContextRef C, LLVMTargetDataRef TD, unsigned AS) { 90 return wrap(unwrap(TD)->getIntPtrType(*unwrap(C), AS)); 91} 92 93unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 94 return unwrap(TD)->getTypeSizeInBits(unwrap(Ty)); 95} 96 97unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 98 return unwrap(TD)->getTypeStoreSize(unwrap(Ty)); 99} 100 101unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 102 return unwrap(TD)->getTypeAllocSize(unwrap(Ty)); 103} 104 105unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 106 return unwrap(TD)->getABITypeAlignment(unwrap(Ty)); 107} 108 109unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 110 return unwrap(TD)->getABITypeAlignment(unwrap(Ty)); 111} 112 113unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) { 114 return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty)); 115} 116 117unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD, 118 LLVMValueRef GlobalVar) { 119 return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar)); 120} 121 122unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy, 123 unsigned long long Offset) { 124 StructType *STy = unwrap<StructType>(StructTy); 125 return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset); 126} 127 128unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy, 129 unsigned Element) { 130 StructType *STy = unwrap<StructType>(StructTy); 131 return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element); 132} 133 134void LLVMDisposeTargetData(LLVMTargetDataRef TD) { 135 delete unwrap(TD); 136} 137