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