Target.cpp revision 218893 
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
23using namespace llvm;
24
25void llvm::initializeTarget(PassRegistry &Registry) {
26  initializeTargetDataPass(Registry);
27  initializeTargetLibraryInfoPass(Registry);
28}
29
30void LLVMInitializeTarget(LLVMPassRegistryRef R) {
31  initializeTarget(*unwrap(R));
32}
33
34LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
35  return wrap(new TargetData(StringRep));
36}
37
38void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
39  unwrap(PM)->add(new TargetData(*unwrap(TD)));
40}
41
42char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
43  std::string StringRep = unwrap(TD)->getStringRepresentation();
44  return strdup(StringRep.c_str());
45}
46
47LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
48  return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
49}
50
51unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
52  return unwrap(TD)->getPointerSize();
53}
54
55LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
56  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
57}
58
59unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
60  return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
61}
62
63unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
64  return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
65}
66
67unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
68  return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
69}
70
71unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
72  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
73}
74
75unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
76  return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty));
77}
78
79unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
80  return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
81}
82
83unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
84                                        LLVMValueRef GlobalVar) {
85  return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
86}
87
88unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
89                             unsigned long long Offset) {
90  const StructType *STy = unwrap<StructType>(StructTy);
91  return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
92}
93
94unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
95                                       unsigned Element) {
96  const StructType *STy = unwrap<StructType>(StructTy);
97  return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
98}
99
100void LLVMInvalidateStructLayout(LLVMTargetDataRef TD, LLVMTypeRef StructTy) {
101  unwrap(TD)->InvalidateStructLayoutInfo(unwrap<StructType>(StructTy));
102}
103
104void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
105  delete unwrap(TD);
106}
107