summaryrefslogtreecommitdiff
path: root/lib/Object/Object.cpp
blob: f061ea7cebedac40087ed7ac5189a7a006e8a7dc (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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
//===- Object.cpp - C bindings to the object file library--------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the C bindings to the file-format-independent object
// library.
//
//===----------------------------------------------------------------------===//

#include "llvm/Object/ObjectFile.h"
#include "llvm-c/Object.h"

using namespace llvm;
using namespace object;

// ObjectFile creation
LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf) {
  return wrap(ObjectFile::createObjectFile(unwrap(MemBuf)));
}

void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile) {
  delete unwrap(ObjectFile);
}

// ObjectFile Section iterators
LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef ObjectFile) {
  section_iterator SI = unwrap(ObjectFile)->begin_sections();
  return wrap(new section_iterator(SI));
}

void LLVMDisposeSectionIterator(LLVMSectionIteratorRef SI) {
  delete unwrap(SI);
}

LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef ObjectFile,
                                LLVMSectionIteratorRef SI) {
  return (*unwrap(SI) == unwrap(ObjectFile)->end_sections()) ? 1 : 0;
}

void LLVMMoveToNextSection(LLVMSectionIteratorRef SI) {
  error_code ec;
  unwrap(SI)->increment(ec);
  if (ec) report_fatal_error("LLVMMoveToNextSection failed: " + ec.message());
}

void LLVMMoveToContainingSection(LLVMSectionIteratorRef Sect,
                                 LLVMSymbolIteratorRef Sym) {
  if (error_code ec = (*unwrap(Sym))->getSection(*unwrap(Sect)))
    report_fatal_error(ec.message());
}

// ObjectFile Symbol iterators
LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef ObjectFile) {
  symbol_iterator SI = unwrap(ObjectFile)->begin_symbols();
  return wrap(new symbol_iterator(SI));
}

void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI) {
  delete unwrap(SI);
}

LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile,
                                LLVMSymbolIteratorRef SI) {
  return (*unwrap(SI) == unwrap(ObjectFile)->end_symbols()) ? 1 : 0;
}

void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI) {
  error_code ec;
  unwrap(SI)->increment(ec);
  if (ec) report_fatal_error("LLVMMoveToNextSymbol failed: " + ec.message());
}

// SectionRef accessors
const char *LLVMGetSectionName(LLVMSectionIteratorRef SI) {
  StringRef ret;
  if (error_code ec = (*unwrap(SI))->getName(ret))
   report_fatal_error(ec.message());
  return ret.data();
}

uint64_t LLVMGetSectionSize(LLVMSectionIteratorRef SI) {
  uint64_t ret;
  if (error_code ec = (*unwrap(SI))->getSize(ret))
    report_fatal_error(ec.message());
  return ret;
}

const char *LLVMGetSectionContents(LLVMSectionIteratorRef SI) {
  StringRef ret;
  if (error_code ec = (*unwrap(SI))->getContents(ret))
    report_fatal_error(ec.message());
  return ret.data();
}

uint64_t LLVMGetSectionAddress(LLVMSectionIteratorRef SI) {
  uint64_t ret;
  if (error_code ec = (*unwrap(SI))->getAddress(ret))
    report_fatal_error(ec.message());
  return ret;
}

LLVMBool LLVMGetSectionContainsSymbol(LLVMSectionIteratorRef SI,
                                 LLVMSymbolIteratorRef Sym) {
  bool ret;
  if (error_code ec = (*unwrap(SI))->containsSymbol(**unwrap(Sym), ret))
    report_fatal_error(ec.message());
  return ret;
}

// Section Relocation iterators
LLVMRelocationIteratorRef LLVMGetRelocations(LLVMSectionIteratorRef Section) {
  relocation_iterator SI = (*unwrap(Section))->begin_relocations();
  return wrap(new relocation_iterator(SI));
}

void LLVMDisposeRelocationIterator(LLVMRelocationIteratorRef SI) {
  delete unwrap(SI);
}

LLVMBool LLVMIsRelocationIteratorAtEnd(LLVMSectionIteratorRef Section,
                                       LLVMRelocationIteratorRef SI) {
  return (*unwrap(SI) == (*unwrap(Section))->end_relocations()) ? 1 : 0;
}

void LLVMMoveToNextRelocation(LLVMRelocationIteratorRef SI) {
  error_code ec;
  unwrap(SI)->increment(ec);
  if (ec) report_fatal_error("LLVMMoveToNextRelocation failed: " +
                             ec.message());
}


// SymbolRef accessors
const char *LLVMGetSymbolName(LLVMSymbolIteratorRef SI) {
  StringRef ret;
  if (error_code ec = (*unwrap(SI))->getName(ret))
    report_fatal_error(ec.message());
  return ret.data();
}

uint64_t LLVMGetSymbolAddress(LLVMSymbolIteratorRef SI) {
  uint64_t ret;
  if (error_code ec = (*unwrap(SI))->getAddress(ret))
    report_fatal_error(ec.message());
  return ret;
}

uint64_t LLVMGetSymbolFileOffset(LLVMSymbolIteratorRef SI) {
  uint64_t ret;
  if (error_code ec = (*unwrap(SI))->getFileOffset(ret))
    report_fatal_error(ec.message());
  return ret;
}

uint64_t LLVMGetSymbolSize(LLVMSymbolIteratorRef SI) {
  uint64_t ret;
  if (error_code ec = (*unwrap(SI))->getSize(ret))
    report_fatal_error(ec.message());
  return ret;
}

// RelocationRef accessors
uint64_t LLVMGetRelocationAddress(LLVMRelocationIteratorRef RI) {
  uint64_t ret;
  if (error_code ec = (*unwrap(RI))->getAddress(ret))
    report_fatal_error(ec.message());
  return ret;
}

uint64_t LLVMGetRelocationOffset(LLVMRelocationIteratorRef RI) {
  uint64_t ret;
  if (error_code ec = (*unwrap(RI))->getOffset(ret))
    report_fatal_error(ec.message());
  return ret;
}

LLVMSymbolIteratorRef LLVMGetRelocationSymbol(LLVMRelocationIteratorRef RI) {
  SymbolRef ret;
  if (error_code ec = (*unwrap(RI))->getSymbol(ret))
    report_fatal_error(ec.message());

  return wrap(new symbol_iterator(ret));
}

uint64_t LLVMGetRelocationType(LLVMRelocationIteratorRef RI) {
  uint64_t ret;
  if (error_code ec = (*unwrap(RI))->getType(ret))
    report_fatal_error(ec.message());
  return ret;
}

// NOTE: Caller takes ownership of returned string.
const char *LLVMGetRelocationTypeName(LLVMRelocationIteratorRef RI) {
  SmallVector<char, 0> ret;
  if (error_code ec = (*unwrap(RI))->getTypeName(ret))
    report_fatal_error(ec.message());

  char *str = static_cast<char*>(malloc(ret.size()));
  std::copy(ret.begin(), ret.end(), str);
  return str;
}

// NOTE: Caller takes ownership of returned string.
const char *LLVMGetRelocationValueString(LLVMRelocationIteratorRef RI) {
  SmallVector<char, 0> ret;
  if (error_code ec = (*unwrap(RI))->getValueString(ret))
    report_fatal_error(ec.message());

  char *str = static_cast<char*>(malloc(ret.size()));
  std::copy(ret.begin(), ret.end(), str);
  return str;
}