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 "gc/heap.h"
20 #include "gc/space/image_space.h"
21 #include "mirror/class-inl.h"
22 #include "runtime.h"
23 #include "scoped_thread_state_change.h"
24 #include "thread.h"
25
26 namespace art {
27
28 class NoPatchoatTest {
29 public:
getOatDexFile(jclass cls)30 static const OatFile::OatDexFile* getOatDexFile(jclass cls) {
31 ScopedObjectAccess soa(Thread::Current());
32 mirror::Class* klass = soa.Decode<mirror::Class*>(cls);
33 const DexFile& dex_file = klass->GetDexFile();
34 return dex_file.GetOatDexFile();
35 }
36
isRelocationDeltaZero()37 static bool isRelocationDeltaZero() {
38 std::vector<gc::space::ImageSpace*> spaces =
39 Runtime::Current()->GetHeap()->GetBootImageSpaces();
40 return !spaces.empty() && spaces[0]->GetImageHeader().GetPatchDelta() == 0;
41 }
42
hasExecutableOat(jclass cls)43 static bool hasExecutableOat(jclass cls) {
44 const OatFile::OatDexFile* oat_dex_file = getOatDexFile(cls);
45
46 return oat_dex_file != nullptr && oat_dex_file->GetOatFile()->IsExecutable();
47 }
48
needsRelocation(jclass cls)49 static bool needsRelocation(jclass cls) {
50 const OatFile::OatDexFile* oat_dex_file = getOatDexFile(cls);
51
52 if (oat_dex_file == nullptr) {
53 return false;
54 }
55
56 const OatFile* oat_file = oat_dex_file->GetOatFile();
57 return !oat_file->IsPic()
58 && CompilerFilter::IsBytecodeCompilationEnabled(oat_file->GetCompilerFilter());
59 }
60 };
61
Java_Main_isRelocationDeltaZero(JNIEnv *,jclass)62 extern "C" JNIEXPORT jboolean JNICALL Java_Main_isRelocationDeltaZero(JNIEnv*, jclass) {
63 return NoPatchoatTest::isRelocationDeltaZero();
64 }
65
Java_Main_hasExecutableOat(JNIEnv *,jclass cls)66 extern "C" JNIEXPORT jboolean JNICALL Java_Main_hasExecutableOat(JNIEnv*, jclass cls) {
67 return NoPatchoatTest::hasExecutableOat(cls);
68 }
69
Java_Main_needsRelocation(JNIEnv *,jclass cls)70 extern "C" JNIEXPORT jboolean JNICALL Java_Main_needsRelocation(JNIEnv*, jclass cls) {
71 return NoPatchoatTest::needsRelocation(cls);
72 }
73
74 } // namespace art
75