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 "oat_file.h"
23 #include "runtime.h"
24 #include "scoped_thread_state_change-inl.h"
25 #include "thread.h"
26
27 namespace art {
28
29 class NoPatchoatTest {
30 public:
getOatDexFile(jclass cls)31 static const OatFile::OatDexFile* getOatDexFile(jclass cls) {
32 ScopedObjectAccess soa(Thread::Current());
33 ObjPtr<mirror::Class> klass = soa.Decode<mirror::Class>(cls);
34 const DexFile& dex_file = klass->GetDexFile();
35 return dex_file.GetOatDexFile();
36 }
37
isRelocationDeltaZero()38 static bool isRelocationDeltaZero() {
39 std::vector<gc::space::ImageSpace*> spaces =
40 Runtime::Current()->GetHeap()->GetBootImageSpaces();
41 return !spaces.empty() && spaces[0]->GetImageHeader().GetPatchDelta() == 0;
42 }
43
hasExecutableOat(jclass cls)44 static bool hasExecutableOat(jclass cls) {
45 const OatFile::OatDexFile* oat_dex_file = getOatDexFile(cls);
46
47 return oat_dex_file != nullptr && oat_dex_file->GetOatFile()->IsExecutable();
48 }
49
needsRelocation(jclass cls)50 static bool needsRelocation(jclass cls) {
51 const OatFile::OatDexFile* oat_dex_file = getOatDexFile(cls);
52
53 if (oat_dex_file == nullptr) {
54 return false;
55 }
56
57 const OatFile* oat_file = oat_dex_file->GetOatFile();
58 return !oat_file->IsPic()
59 && CompilerFilter::IsAotCompilationEnabled(oat_file->GetCompilerFilter());
60 }
61 };
62
Java_Main_isRelocationDeltaZero(JNIEnv *,jclass)63 extern "C" JNIEXPORT jboolean JNICALL Java_Main_isRelocationDeltaZero(JNIEnv*, jclass) {
64 return NoPatchoatTest::isRelocationDeltaZero();
65 }
66
Java_Main_hasExecutableOat(JNIEnv *,jclass cls)67 extern "C" JNIEXPORT jboolean JNICALL Java_Main_hasExecutableOat(JNIEnv*, jclass cls) {
68 return NoPatchoatTest::hasExecutableOat(cls);
69 }
70
Java_Main_needsRelocation(JNIEnv *,jclass cls)71 extern "C" JNIEXPORT jboolean JNICALL Java_Main_needsRelocation(JNIEnv*, jclass cls) {
72 return NoPatchoatTest::needsRelocation(cls);
73 }
74
75 } // namespace art
76