1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "elf_writer.h"
18
19#include "base/unix_file/fd_file.h"
20#include "class_linker.h"
21#include "dex_file-inl.h"
22#include "dex_method_iterator.h"
23#include "driver/compiler_driver.h"
24#include "elf_file.h"
25#include "invoke_type.h"
26#include "mirror/art_method-inl.h"
27#include "mirror/object-inl.h"
28#include "oat.h"
29#include "scoped_thread_state_change.h"
30
31namespace art {
32
33uint32_t ElfWriter::GetOatDataAddress(ElfFile* elf_file) {
34  Elf32_Addr oatdata_address = elf_file->FindSymbolAddress(SHT_DYNSYM,
35                                                           "oatdata",
36                                                           false);
37  CHECK_NE(0U, oatdata_address);
38  return oatdata_address;
39}
40
41void ElfWriter::GetOatElfInformation(File* file,
42                                     size_t& oat_loaded_size,
43                                     size_t& oat_data_offset) {
44  std::string error_msg;
45  std::unique_ptr<ElfFile> elf_file(ElfFile::Open(file, false, false, &error_msg));
46  CHECK(elf_file.get() != nullptr) << error_msg;
47
48  oat_loaded_size = elf_file->GetLoadedSize();
49  CHECK_NE(0U, oat_loaded_size);
50  oat_data_offset = GetOatDataAddress(elf_file.get());
51  CHECK_NE(0U, oat_data_offset);
52}
53
54}  // namespace art
55