summaryrefslogtreecommitdiffstats
path: root/lib/Target/Target.cpp
blob: 393178a4692e2431026acc6b662f53dbf0e04804 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
//===-- Target.cpp --------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the common infrastructure (including C bindings) for 
// libLLVMTarget.a, which implements target information.
//
//===----------------------------------------------------------------------===//

#include "llvm-c/Target.h"
#include "llvm-c/Initialization.h"
#include "llvm/InitializePasses.h"
#include "llvm/PassManager.h"
#include "llvm/DataLayout.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/LLVMContext.h"
#include <cstring>

using namespace llvm;

void llvm::initializeTarget(PassRegistry &Registry) {
  initializeDataLayoutPass(Registry);
  initializeTargetLibraryInfoPass(Registry);
  initializeTargetTransformInfoPass(Registry);
}

void LLVMInitializeTarget(LLVMPassRegistryRef R) {
  initializeTarget(*unwrap(R));
}

LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
  return wrap(new DataLayout(StringRep));
}

void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
  unwrap(PM)->add(new DataLayout(*unwrap(TD)));
}

void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI,
                              LLVMPassManagerRef PM) {
  unwrap(PM)->add(new TargetLibraryInfo(*unwrap(TLI)));
}

char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
  std::string StringRep = unwrap(TD)->getStringRepresentation();
  return strdup(StringRep.c_str());
}

LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
  return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
}

unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
  return unwrap(TD)->getPointerSize(0);
}

unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) {
  return unwrap(TD)->getPointerSize(AS);
}

LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
}

LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) {
  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext(), AS));
}

unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
}

unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
}

unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
}

unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
}

unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty));
}

unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
  return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
}

unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
                                        LLVMValueRef GlobalVar) {
  return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
}

unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
                             unsigned long long Offset) {
  StructType *STy = unwrap<StructType>(StructTy);
  return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
}

unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
                                       unsigned Element) {
  StructType *STy = unwrap<StructType>(StructTy);
  return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
}

void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
  delete unwrap(TD);
}