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#include "llvm/Bitcode/ReaderWriter.h"
22
23#include <cstdlib>
24#include <cstring>
25
26namespace bcinfo {
27
28BitcodeWrapper::BitcodeWrapper(const char *bitcode, size_t bitcodeSize)
29    : mFileType(BC_NOT_BC), mBitcode(bitcode),
30      mBitcodeSize(bitcodeSize),
31      mHeaderVersion(0), mTargetAPI(0), mCompilerVersion(0),
32      mOptimizationLevel(3) {
33  InMemoryWrapperInput inMem(mBitcode, mBitcodeSize);
34  BitcodeWrapperer wrapperer(&inMem, nullptr);
35  if (wrapperer.IsInputBitcodeWrapper()) {
36    mFileType = BC_WRAPPER;
37    mHeaderVersion = wrapperer.getAndroidHeaderVersion();
38    mTargetAPI = wrapperer.getAndroidTargetAPI();
39    mCompilerVersion = wrapperer.getAndroidCompilerVersion();
40    mOptimizationLevel = wrapperer.getAndroidOptimizationLevel();
41  } else if (wrapperer.IsInputBitcodeFile()) {
42    mFileType = BC_RAW;
43  }
44}
45
46
47BitcodeWrapper::~BitcodeWrapper() {
48  return;
49}
50
51
52bool BitcodeWrapper::unwrap() {
53  return mFileType != BC_NOT_BC;
54}
55
56}  // namespace bcinfo
57
58