/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <mutex>
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#include <vector>
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#include "android-base/macros.h"
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#include "android-base/stringprintf.h"
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#include "jni.h"
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#include "jvmti.h"
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// Test infrastructure
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#include "jni_helper.h"
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#include "jvmti_helper.h"
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#include "scoped_local_ref.h"
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#include "scoped_utf_chars.h"
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#include "test_env.h"
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namespace art {
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namespace Test912ArtClasses {
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static void EnableEvents(JNIEnv* env,
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jboolean enable,
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decltype(jvmtiEventCallbacks().ClassLoad) class_load,
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decltype(jvmtiEventCallbacks().ClassPrepare) class_prepare) {
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if (enable == JNI_FALSE) {
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jvmtiError ret = jvmti_env->SetEventNotificationMode(JVMTI_DISABLE,
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JVMTI_EVENT_CLASS_LOAD,
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nullptr);
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if (JvmtiErrorToException(env, jvmti_env, ret)) {
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return;
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}
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ret = jvmti_env->SetEventNotificationMode(JVMTI_DISABLE,
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JVMTI_EVENT_CLASS_PREPARE,
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nullptr);
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JvmtiErrorToException(env, jvmti_env, ret);
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return;
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}
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jvmtiEventCallbacks callbacks;
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memset(&callbacks, 0, sizeof(jvmtiEventCallbacks));
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callbacks.ClassLoad = class_load;
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callbacks.ClassPrepare = class_prepare;
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jvmtiError ret = jvmti_env->SetEventCallbacks(&callbacks, sizeof(callbacks));
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if (JvmtiErrorToException(env, jvmti_env, ret)) {
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return;
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}
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ret = jvmti_env->SetEventNotificationMode(JVMTI_ENABLE,
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JVMTI_EVENT_CLASS_LOAD,
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nullptr);
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if (JvmtiErrorToException(env, jvmti_env, ret)) {
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return;
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}
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ret = jvmti_env->SetEventNotificationMode(JVMTI_ENABLE,
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JVMTI_EVENT_CLASS_PREPARE,
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nullptr);
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JvmtiErrorToException(env, jvmti_env, ret);
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}
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struct ClassLoadSeen {
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static void JNICALL ClassLoadSeenCallback(jvmtiEnv* jenv ATTRIBUTE_UNUSED,
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JNIEnv* jni_env ATTRIBUTE_UNUSED,
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jthread thread ATTRIBUTE_UNUSED,
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jclass klass ATTRIBUTE_UNUSED) {
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saw_event = true;
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}
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static bool saw_event;
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};
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bool ClassLoadSeen::saw_event = false;
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extern "C" JNIEXPORT void JNICALL Java_art_Test912Art_enableClassLoadSeenEvents(
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JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED, jboolean b) {
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EnableEvents(env, b, ClassLoadSeen::ClassLoadSeenCallback, nullptr);
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}
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extern "C" JNIEXPORT jboolean JNICALL Java_art_Test912Art_hadLoadEvent(
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JNIEnv* env ATTRIBUTE_UNUSED, jclass Main_klass ATTRIBUTE_UNUSED) {
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return ClassLoadSeen::saw_event ? JNI_TRUE : JNI_FALSE;
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}
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extern "C" JNIEXPORT jboolean JNICALL Java_art_Test912Art_isLoadedClass(
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JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED, jstring class_name) {
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ScopedUtfChars name(env, class_name);
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jint class_count;
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jclass* classes;
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jvmtiError res = jvmti_env->GetLoadedClasses(&class_count, &classes);
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if (JvmtiErrorToException(env, jvmti_env, res)) {
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return JNI_FALSE;
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}
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bool found = false;
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for (jint i = 0; !found && i < class_count; ++i) {
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char* sig;
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jvmtiError res2 = jvmti_env->GetClassSignature(classes[i], &sig, nullptr);
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if (JvmtiErrorToException(env, jvmti_env, res2)) {
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return JNI_FALSE;
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}
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found = strcmp(name.c_str(), sig) == 0;
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CheckJvmtiError(jvmti_env, jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(sig)));
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}
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CheckJvmtiError(jvmti_env, jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(classes)));
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return found;
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}
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// We use the implementations from runtime_state.cc.
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extern "C" JNIEXPORT void JNICALL Java_Main_ensureJitCompiled(JNIEnv* env,
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jclass,
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jclass cls,
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jstring method_name);
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extern "C" JNIEXPORT jboolean JNICALL Java_Main_hasJit(JNIEnv*, jclass);
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extern "C" JNIEXPORT void JNICALL Java_art_Test912Art_ensureJitCompiled(
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JNIEnv* env, jclass klass, jclass test_class, jstring name) {
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Java_Main_ensureJitCompiled(env, klass, test_class, name);
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}
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extern "C" JNIEXPORT jboolean JNICALL Java_art_Test912Art_hasJit(JNIEnv* env, jclass klass) {
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return Java_Main_hasJit(env, klass);
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}
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} // namespace Test912ArtClasses
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} // namespace art
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