1 /*
2 * Copyright 2016 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 <iostream>
18 #include <pthread.h>
19 #include <stdio.h>
20 #include <vector>
21
22 #include "gc/heap.h"
23 #include "gc/space/image_space.h"
24 #include "gc/space/space-inl.h"
25 #include "image.h"
26 #include "jni.h"
27 #include "mirror/class.h"
28 #include "runtime.h"
29 #include "scoped_thread_state_change-inl.h"
30
31 namespace art {
32
33 namespace {
34
Java_Main_checkAppImageLoaded(JNIEnv *,jclass)35 extern "C" JNIEXPORT jboolean JNICALL Java_Main_checkAppImageLoaded(JNIEnv*, jclass) {
36 ScopedObjectAccess soa(Thread::Current());
37 for (auto* space : Runtime::Current()->GetHeap()->GetContinuousSpaces()) {
38 if (space->IsImageSpace()) {
39 auto* image_space = space->AsImageSpace();
40 const auto& image_header = image_space->GetImageHeader();
41 if (image_header.IsAppImage()) {
42 return JNI_TRUE;
43 }
44 }
45 }
46 return JNI_FALSE;
47 }
48
Java_Main_checkAppImageContains(JNIEnv *,jclass,jclass c)49 extern "C" JNIEXPORT jboolean JNICALL Java_Main_checkAppImageContains(JNIEnv*, jclass, jclass c) {
50 ScopedObjectAccess soa(Thread::Current());
51 ObjPtr<mirror::Class> klass_ptr = soa.Decode<mirror::Class>(c);
52 for (auto* space : Runtime::Current()->GetHeap()->GetContinuousSpaces()) {
53 if (space->IsImageSpace()) {
54 auto* image_space = space->AsImageSpace();
55 const auto& image_header = image_space->GetImageHeader();
56 if (image_header.IsAppImage()) {
57 if (image_space->HasAddress(klass_ptr.Ptr())) {
58 return JNI_TRUE;
59 }
60 }
61 }
62 }
63 return JNI_FALSE;
64 }
65
66 } // namespace
67
68 } // namespace art
69