Target.cpp revision 201360 
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 "llvm/LLVMContext.h"
19#include <cstring>
20
21using namespace llvm;
22
23LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
24  return wrap(new TargetData(StringRep));
25}
26
27void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
28  unwrap(PM)->add(new TargetData(*unwrap(TD)));
29}
30
31char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
32  std::string StringRep = unwrap(TD)->getStringRepresentation();
33  return strdup(StringRep.c_str());
34}
35
36LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
37  return unwrap(TD)->isLittleEndian();
38}
39
40unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
41  return unwrap(TD)->getPointerSize();
42}
43
44LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
45  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
46}
47
48unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
49  return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
50}
51
52unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
53  return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
54}
55
56unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
57  return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
58}
59
60unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
61  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
62}
63
64unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
65  return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty));
66}
67
68unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
69  return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
70}
71
72unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
73                                        LLVMValueRef GlobalVar) {
74  return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
75}
76
77unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
78                             unsigned long long Offset) {
79  const StructType *STy = unwrap<StructType>(StructTy);
80  return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
81}
82
83unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
84                                       unsigned Element) {
85  const StructType *STy = unwrap<StructType>(StructTy);
86  return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
87}
88
89void LLVMInvalidateStructLayout(LLVMTargetDataRef TD, LLVMTypeRef StructTy) {
90  unwrap(TD)->InvalidateStructLayoutInfo(unwrap<StructType>(StructTy));
91}
92
93void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
94  delete unwrap(TD);
95}
96