1 /*
2  * Copyright (C) 2014 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 "class_linker.h"
18 #include "dex_file-inl.h"
19 #include "mirror/class-inl.h"
20 #include "scoped_thread_state_change.h"
21 #include "thread.h"
22 
23 namespace art {
24 
25 class NoPatchoatTest {
26  public:
getOatDexFile(jclass cls)27   static const OatFile::OatDexFile* getOatDexFile(jclass cls) {
28     ScopedObjectAccess soa(Thread::Current());
29     mirror::Class* klass = soa.Decode<mirror::Class*>(cls);
30     const DexFile& dex_file = klass->GetDexFile();
31 
32     const OatFile::OatDexFile* oat_dex_file =
33         Runtime::Current()->GetClassLinker()->FindOpenedOatDexFileForDexFile(dex_file);
34 
35     return oat_dex_file;
36   }
37 
hasExecutableOat(jclass cls)38   static bool hasExecutableOat(jclass cls) {
39     const OatFile::OatDexFile* oat_dex_file = getOatDexFile(cls);
40 
41     return oat_dex_file != nullptr && oat_dex_file->GetOatFile()->IsExecutable();
42   }
43 
isPic(jclass cls)44   static bool isPic(jclass cls) {
45     const OatFile::OatDexFile* oat_dex_file = getOatDexFile(cls);
46 
47     if (oat_dex_file == nullptr) {
48       return false;
49     }
50 
51     const OatFile* oat_file = oat_dex_file->GetOatFile();
52     return oat_file->IsPic();
53   }
54 };
55 
Java_Main_hasExecutableOat(JNIEnv *,jclass cls)56 extern "C" JNIEXPORT jboolean JNICALL Java_Main_hasExecutableOat(JNIEnv*, jclass cls) {
57   return NoPatchoatTest::hasExecutableOat(cls);
58 }
59 
Java_Main_isPic(JNIEnv *,jclass cls)60 extern "C" JNIEXPORT jboolean JNICALL Java_Main_isPic(JNIEnv*, jclass cls) {
61   return NoPatchoatTest::isPic(cls);
62 }
63 
64 }  // namespace art
65