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
26 namespace bcinfo {
27
BitcodeWrapper(const char * bitcode,size_t bitcodeSize)28 BitcodeWrapper::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
~BitcodeWrapper()47 BitcodeWrapper::~BitcodeWrapper() {
48 return;
49 }
50
51
unwrap()52 bool BitcodeWrapper::unwrap() {
53 return mFileType != BC_NOT_BC;
54 }
55
56 } // namespace bcinfo
57
58