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