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 C bindings for libLLVMTarget.a, which implements
  11 // target information.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "llvm-c/Target.h"
  16 #include "llvm/PassManager.h"
  17 #include "llvm/Target/TargetData.h"
  18 #include <cstring>
  19
  20 using namespace llvm;
  21
  22 LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
  23   return wrap(new TargetData(StringRep));
  24 }
  25
  26 void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
  27   unwrap(PM)->add(new TargetData(*unwrap(TD)));
  28 }
  29
  30 char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
  31   std::string StringRep = unwrap(TD)->getStringRepresentation();
  32   return strdup(StringRep.c_str());
  33 }
  34
  35 LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
  36   return unwrap(TD)->isLittleEndian();
  37 }
  38
  39 unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
  40   return unwrap(TD)->getPointerSize();
  41 }
  42
  43 LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
  44   return wrap(unwrap(TD)->getIntPtrType());
  45 }
  46
  47 unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  48   return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
  49 }
  50
  51 unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  52   return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
  53 }
  54
  55 unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  56   return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
  57 }
  58
  59 unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  60   return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
  61 }
  62
  63 unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  64   return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty));
  65 }
  66
  67 unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  68   return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
  69 }
  70
  71 unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
  72                                         LLVMValueRef GlobalVar) {
  73   return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
  74 }
  75
  76 unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
  77                              unsigned long long Offset) {
  78   const StructType *STy = unwrap<StructType>(StructTy);
  79   return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
  80 }
  81
  82 unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
  83                                        unsigned Element) {
  84   const StructType *STy = unwrap<StructType>(StructTy);
  85   return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
  86 }
  87
  88 void LLVMInvalidateStructLayout(LLVMTargetDataRef TD, LLVMTypeRef StructTy) {
  89   unwrap(TD)->InvalidateStructLayoutInfo(unwrap<StructType>(StructTy));
  90 }
  91
  92 void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
  93   delete unwrap(TD);
  94 }