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/*
* Copyright (C) 2017 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 <jni.h>
#include <jvmti.h>
#include "android-base/logging.h"
#include "jni_binder.h"
#include "jvmti_helper.h"
#include "scoped_local_ref.h"
#include "test_env.h"
namespace art {
extern void register_art_Main(jvmtiEnv*, JNIEnv*);
extern void register_android_jvmti_cts_JvmtiRedefineClassesTest(jvmtiEnv*, JNIEnv*);
extern void register_android_jvmti_cts_JvmtiTaggingTest(jvmtiEnv*, JNIEnv*);
extern void register_android_jvmti_cts_JvmtiTrackingTest(jvmtiEnv*, JNIEnv*);
extern void register_android_jvmti_cts_JvmtiRunTestBasedTest(jvmtiEnv*, JNIEnv*);
static void InformMainAttach(jvmtiEnv* jenv,
JNIEnv* env,
const char* class_name,
const char* method_name) {
// Register native methods from available classes
// The agent is used with each test class, but we don't know which class is currently available.
// For that reason, we try to register the native methods in each one. Each function returns
// without throwing an error if the specified class can't be found.
register_art_Main(jenv, env);
register_android_jvmti_cts_JvmtiRedefineClassesTest(jenv, env);
register_android_jvmti_cts_JvmtiTaggingTest(jenv, env);
register_android_jvmti_cts_JvmtiTrackingTest(jenv, env);
register_android_jvmti_cts_JvmtiRunTestBasedTest(jenv, env);
// Use JNI to load the class.
ScopedLocalRef<jclass> klass(env, GetClass(jenv, env, class_name, nullptr));
CHECK(klass.get() != nullptr) << class_name;
jmethodID method = env->GetStaticMethodID(klass.get(), method_name, "()V");
CHECK(method != nullptr);
env->CallStaticVoidMethod(klass.get(), method);
}
static constexpr const char* kMainClass = "art/CtsMain";
static constexpr const char* kMainClassStartup = "startup";
extern "C" JNIEXPORT jint JNICALL Agent_OnLoad(JavaVM* vm,
char* options ATTRIBUTE_UNUSED,
void* reserved ATTRIBUTE_UNUSED) {
if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0) != 0) {
LOG(FATAL) << "Could not get shared jvmtiEnv";
}
SetStandardCapabilities(jvmti_env);
return 0;
}
extern "C" JNIEXPORT jint JNICALL Agent_OnAttach(JavaVM* vm,
char* options ATTRIBUTE_UNUSED,
void* reserved ATTRIBUTE_UNUSED) {
JNIEnv* env;
CHECK_EQ(0, vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6))
<< "Could not get JNIEnv";
if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0) != 0) {
LOG(FATAL) << "Could not get shared jvmtiEnv";
}
SetStandardCapabilities(jvmti_env);
InformMainAttach(jvmti_env, env, kMainClass, kMainClassStartup);
return 0;
}
} // namespace art