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 #include <string>
22 #include <vector>
23
24 #include "android-base/logging.h"
25 #include "android-base/stringprintf.h"
26
27 #include "jni.h"
28 #include "jvmti.h"
29 #include "scoped_local_ref.h"
30 #include "scoped_utf_chars.h"
31
32 // Test infrastructure
33 #include "jni_binder.h"
34 #include "jni_helper.h"
35 #include "jvmti_helper.h"
36 #include "test_env.h"
37 #include "ti_macros.h"
38
39 #include "suspend_event_helper.h"
40
41 namespace art {
42 namespace Test1953PopFrame {
43
44
45 extern "C" JNIEXPORT
Java_art_Test1953_popFrame(JNIEnv * env,jclass klass ATTRIBUTE_UNUSED,jthread thr)46 void JNICALL Java_art_Test1953_popFrame(JNIEnv* env,
47 jclass klass ATTRIBUTE_UNUSED,
48 jthread thr) {
49 JvmtiErrorToException(env, jvmti_env, jvmti_env->PopFrame(thr));
50 }
51
52 extern "C" JNIEXPORT
Java_art_Test1953_00024NativeCalledObject_calledFunction(JNIEnv * env,jobject thiz)53 void JNICALL Java_art_Test1953_00024NativeCalledObject_calledFunction(
54 JNIEnv* env, jobject thiz) {
55 env->PushLocalFrame(1);
56 jclass klass = env->GetObjectClass(thiz);
57 jfieldID cnt = env->GetFieldID(klass, "cnt", "I");
58 env->SetIntField(thiz, cnt, env->GetIntField(thiz, cnt) + 1);
59 env->PopLocalFrame(nullptr);
60 art::common_suspend_event::PerformSuspension(jvmti_env, env);
61 }
62
63 extern "C" JNIEXPORT
Java_art_Test1953_00024NativeCallerObject_run(JNIEnv * env,jobject thiz)64 void JNICALL Java_art_Test1953_00024NativeCallerObject_run(
65 JNIEnv* env, jobject thiz) {
66 env->PushLocalFrame(1);
67 jclass klass = env->GetObjectClass(thiz);
68 jfieldID baseCnt = env->GetFieldID(klass, "baseCnt", "I");
69 env->SetIntField(thiz, baseCnt, env->GetIntField(thiz, baseCnt) + 1);
70 jmethodID called = env->GetMethodID(klass, "calledFunction", "()V");
71 env->CallVoidMethod(thiz, called);
72 env->PopLocalFrame(nullptr);
73 }
74
75 extern "C" JNIEXPORT
Java_art_Test1953_isClassLoaded(JNIEnv * env,jclass,jstring name)76 jboolean JNICALL Java_art_Test1953_isClassLoaded(JNIEnv* env, jclass, jstring name) {
77 ScopedUtfChars chr(env, name);
78 if (env->ExceptionCheck()) {
79 return false;
80 }
81 jint cnt = 0;
82 jclass* klasses = nullptr;
83 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->GetLoadedClasses(&cnt, &klasses))) {
84 return false;
85 }
86 bool res = false;
87 for (jint i = 0; !res && i < cnt; i++) {
88 char* sig;
89 if (JvmtiErrorToException(env,
90 jvmti_env,
91 jvmti_env->GetClassSignature(klasses[i], &sig, nullptr))) {
92 return false;
93 }
94 res = (strcmp(sig, chr.c_str()) == 0);
95 jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(sig));
96 }
97 jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(klasses));
98 return res;
99 }
100
101 } // namespace Test1953PopFrame
102 } // namespace art
103
104