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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include "android-base/macros.h"
#include "jni.h"
#include "jvmti.h"
#include "scoped_local_ref.h"
// Test infrastructure
#include "jni_helper.h"
#include "jvmti_helper.h"
#include "test_env.h"
namespace art {
namespace Test1962MultiThreadEvents {
struct BreakpointData {
jobject events;
jmethodID target;
};
void cbMethodEntry(jvmtiEnv* jvmti,
JNIEnv* env,
jthread thread,
jmethodID method,
jboolean was_exception ATTRIBUTE_UNUSED,
jvalue val ATTRIBUTE_UNUSED) {
BreakpointData* data = nullptr;
if (JvmtiErrorToException(
env, jvmti, jvmti->GetThreadLocalStorage(thread, reinterpret_cast<void**>(&data)))) {
return;
}
if (data->target != method) {
return;
}
jclass klass = env->FindClass("art/Test1962");
jmethodID handler =
env->GetStaticMethodID(klass, "HandleEvent", "(Ljava/lang/Thread;Ljava/util/List;)V");
CHECK(data != nullptr);
env->CallStaticVoidMethod(klass, handler, thread, data->events);
}
extern "C" JNIEXPORT void JNICALL Java_art_Test1962_setupTest(JNIEnv* env,
jclass klass ATTRIBUTE_UNUSED) {
jvmtiCapabilities caps{
.can_generate_method_exit_events = 1,
};
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->AddCapabilities(&caps))) {
return;
}
jvmtiEventCallbacks cb{
.MethodExit = cbMethodEntry,
};
JvmtiErrorToException(env, jvmti_env, jvmti_env->SetEventCallbacks(&cb, sizeof(cb)));
}
extern "C" JNIEXPORT void JNICALL Java_art_Test1962_setupThread(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jthread thr, jobject events, jobject target) {
BreakpointData* data = nullptr;
if (JvmtiErrorToException(
env, jvmti_env, jvmti_env->Allocate(sizeof(*data), reinterpret_cast<uint8_t**>(&data)))) {
return;
}
data->events = env->NewGlobalRef(events);
data->target = env->FromReflectedMethod(target);
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->SetThreadLocalStorage(thr, data))) {
return;
}
JvmtiErrorToException(
env,
jvmti_env,
jvmti_env->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_METHOD_EXIT, thr));
}
} // namespace Test1962MultiThreadEvents
} // namespace art
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