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