BitcodeWrapper.cpp revision 7cd4c49d575478b2380f129dcd376a4e5e37939c 
1/*
2 * Copyright 2011-2012, 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 "bcinfo/BitcodeWrapper.h"
18#include "bcinfo/Wrap/bitcode_wrapperer.h"
19#include "bcinfo/Wrap/in_memory_wrapper_input.h"
20
21#define LOG_TAG "bcinfo"
22#include <cutils/log.h>
23
24#include "llvm/Bitcode/ReaderWriter.h"
25
26#include <cstdlib>
27#include <cstring>
28
29namespace bcinfo {
30
31BitcodeWrapper::BitcodeWrapper(const char *bitcode, size_t bitcodeSize)
32    : mFileType(BC_NOT_BC), mBitcode(bitcode),
33      mBitcodeEnd(bitcode + bitcodeSize - 1), mBitcodeSize(bitcodeSize),
34      mHeaderVersion(0), mTargetAPI(0) {
35  InMemoryWrapperInput inMem(mBitcode, mBitcodeSize);
36  BitcodeWrapperer wrapperer(&inMem, NULL);
37  if (wrapperer.IsInputBitcodeWrapper()) {
38    mFileType = BC_WRAPPER;
39    mHeaderVersion = wrapperer.getAndroidHeaderVersion();
40    mTargetAPI = wrapperer.getAndroidTargetAPI();
41    mCompilerVersion = wrapperer.getAndroidCompilerVersion();
42    mOptimizationLevel = wrapperer.getAndroidOptimizationLevel();
43  } else if (wrapperer.IsInputBitcodeFile()) {
44    mFileType = BC_RAW;
45  }
46}
47
48
49BitcodeWrapper::~BitcodeWrapper() {
50  return;
51}
52
53
54bool BitcodeWrapper::unwrap() {
55  return mFileType != BC_NOT_BC;
56}
57
58}  // namespace bcinfo
59
60