Target.cpp revision 0b8c9a80f20772c3793201ab5b251d3520b9cea3 
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/IR/DataLayout.h"
18#include "llvm/IR/LLVMContext.h"
19#include "llvm/InitializePasses.h"
20#include "llvm/PassManager.h"
21#include "llvm/Target/TargetLibraryInfo.h"
22#include <cstring>
23
24using namespace llvm;
25
26void llvm::initializeTarget(PassRegistry &Registry) {
27  initializeDataLayoutPass(Registry);
28  initializeTargetLibraryInfoPass(Registry);
29  initializeTargetTransformInfoPass(Registry);
30}
31
32void LLVMInitializeTarget(LLVMPassRegistryRef R) {
33  initializeTarget(*unwrap(R));
34}
35
36LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
37  return wrap(new DataLayout(StringRep));
38}
39
40void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
41  unwrap(PM)->add(new DataLayout(*unwrap(TD)));
42}
43
44void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI,
45                              LLVMPassManagerRef PM) {
46  unwrap(PM)->add(new TargetLibraryInfo(*unwrap(TLI)));
47}
48
49char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
50  std::string StringRep = unwrap(TD)->getStringRepresentation();
51  return strdup(StringRep.c_str());
52}
53
54LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
55  return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
56}
57
58unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
59  return unwrap(TD)->getPointerSize(0);
60}
61
62unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) {
63  return unwrap(TD)->getPointerSize(AS);
64}
65
66LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
67  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
68}
69
70LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) {
71  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext(), AS));
72}
73
74unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
75  return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
76}
77
78unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
79  return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
80}
81
82unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
83  return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
84}
85
86unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
87  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
88}
89
90unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
91  return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty));
92}
93
94unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
95  return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
96}
97
98unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
99                                        LLVMValueRef GlobalVar) {
100  return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
101}
102
103unsigned 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
109unsigned 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
115void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
116  delete unwrap(TD);
117}
118