1 /*
2 * Copyright (C) 2013 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 <inttypes.h>
18
19 #include <cstdio>
20 #include <memory>
21
22 #include "android-base/logging.h"
23 #include "android-base/stringprintf.h"
24
25 #include "jni.h"
26 #include "jvmti.h"
27 #include "scoped_local_ref.h"
28
29 // Test infrastructure
30 #include "jni_binder.h"
31 #include "jni_helper.h"
32 #include "jvmti_helper.h"
33 #include "test_env.h"
34 #include "ti_macros.h"
35
36 namespace art {
37 namespace Test996ObsoleteBreakpoints {
38
39 static constexpr jint kNumFrames = 10;
40
GetFirstObsoleteMethod(JNIEnv * env,jvmtiEnv * jvmti_env)41 static jmethodID GetFirstObsoleteMethod(JNIEnv* env, jvmtiEnv* jvmti_env) {
42 jint frame_count;
43 jvmtiFrameInfo frames[kNumFrames];
44 if (JvmtiErrorToException(env, jvmti_env,
45 jvmti_env->GetStackTrace(nullptr, // current thread
46 0,
47 kNumFrames,
48 frames,
49 &frame_count))) {
50 return nullptr;
51 }
52 for (jint i = 0; i < frame_count; i++) {
53 jboolean is_obsolete = false;
54 if (JvmtiErrorToException(env, jvmti_env,
55 jvmti_env->IsMethodObsolete(frames[i].method, &is_obsolete))) {
56 return nullptr;
57 }
58 if (is_obsolete) {
59 return frames[i].method;
60 }
61 }
62 ScopedLocalRef<jclass> rt_exception(env, env->FindClass("java/lang/RuntimeException"));
63 env->ThrowNew(rt_exception.get(), "Unable to find obsolete method!");
64 return nullptr;
65 }
66
Java_art_Test996_setBreakpointOnObsoleteMethod(JNIEnv * env,jclass k ATTRIBUTE_UNUSED,jlong loc)67 extern "C" JNIEXPORT void JNICALL Java_art_Test996_setBreakpointOnObsoleteMethod(
68 JNIEnv* env, jclass k ATTRIBUTE_UNUSED, jlong loc) {
69 jmethodID method = GetFirstObsoleteMethod(env, jvmti_env);
70 if (method == nullptr) {
71 return;
72 }
73 JvmtiErrorToException(env, jvmti_env, jvmti_env->SetBreakpoint(method, loc));
74 }
75
76 } // namespace Test996ObsoleteBreakpoints
77 } // namespace art
78