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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 
29 namespace bcinfo {
30 
BitcodeWrapper(const char * bitcode,size_t bitcodeSize)31 BitcodeWrapper::BitcodeWrapper(const char *bitcode, size_t bitcodeSize)
32     : mFileType(BC_NOT_BC), mBitcode(bitcode),
33       mBitcodeSize(bitcodeSize),
34       mHeaderVersion(0), mTargetAPI(0), mCompilerVersion(0),
35       mOptimizationLevel(3) {
36   InMemoryWrapperInput inMem(mBitcode, mBitcodeSize);
37   BitcodeWrapperer wrapperer(&inMem, NULL);
38   if (wrapperer.IsInputBitcodeWrapper()) {
39     mFileType = BC_WRAPPER;
40     mHeaderVersion = wrapperer.getAndroidHeaderVersion();
41     mTargetAPI = wrapperer.getAndroidTargetAPI();
42     mCompilerVersion = wrapperer.getAndroidCompilerVersion();
43     mOptimizationLevel = wrapperer.getAndroidOptimizationLevel();
44   } else if (wrapperer.IsInputBitcodeFile()) {
45     mFileType = BC_RAW;
46   }
47 }
48 
49 
~BitcodeWrapper()50 BitcodeWrapper::~BitcodeWrapper() {
51   return;
52 }
53 
54 
unwrap()55 bool BitcodeWrapper::unwrap() {
56   return mFileType != BC_NOT_BC;
57 }
58 
59 }  // namespace bcinfo
60 
61