lib/Target/Target.cpp

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