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}
30
31void LLVMInitializeTarget(LLVMPassRegistryRef R) {
32  initializeTarget(*unwrap(R));
33}
34
35LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
36  return wrap(new DataLayout(StringRep));
37}
38
39void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
40  unwrap(PM)->add(new DataLayout(*unwrap(TD)));
41}
42
43void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI,
44                              LLVMPassManagerRef PM) {
45  unwrap(PM)->add(new TargetLibraryInfo(*unwrap(TLI)));
46}
47
48char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
49  std::string StringRep = unwrap(TD)->getStringRepresentation();
50  return strdup(StringRep.c_str());
51}
52
53LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
54  return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
55}
56
57unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
58  return unwrap(TD)->getPointerSize(0);
59}
60
61unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) {
62  return unwrap(TD)->getPointerSize(AS);
63}
64
65LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
66  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
67}
68
69LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) {
70  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext(), AS));
71}
72
73unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
74  return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
75}
76
77unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
78  return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
79}
80
81unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
82  return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
83}
84
85unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
86  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
87}
88
89unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
90  return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty));
91}
92
93unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
94  return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
95}
96
97unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
98                                        LLVMValueRef GlobalVar) {
99  return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
100}
101
102unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
103                             unsigned long long Offset) {
104  StructType *STy = unwrap<StructType>(StructTy);
105  return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
106}
107
108unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
109                                       unsigned Element) {
110  StructType *STy = unwrap<StructType>(StructTy);
111  return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
112}
113
114void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
115  delete unwrap(TD);
116}
117