diff -r 2251ba078bec -r eb7ce841ccec test/runtime/8233197/libJvmtiAgent.c --- a/test/runtime/8233197/libJvmtiAgent.c Sat Oct 24 16:18:50 2020 +0800 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,124 +0,0 @@ -/* - * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -#include -#include -#include -#include "jvmti.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef JNI_ENV_ARG - -#ifdef __cplusplus -#define JNI_ENV_ARG(x, y) y -#define JNI_ENV_PTR(x) x -#else -#define JNI_ENV_ARG(x,y) x, y -#define JNI_ENV_PTR(x) (*x) -#endif - -#endif - -#define TranslateError(err) "JVMTI error" - -static jvmtiEnv *jvmti = NULL; - -static jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved); - -JNIEXPORT -jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) { - return Agent_Initialize(jvm, options, reserved); -} - -JNIEXPORT -jint JNICALL Agent_OnAttach(JavaVM *jvm, char *options, void *reserved) { - return Agent_Initialize(jvm, options, reserved); -} - -JNIEXPORT -jint JNICALL JNI_OnLoad(JavaVM *jvm, void *reserved) { - return JNI_VERSION_1_8; -} - -static void JNICALL -Callback_VMStart(jvmtiEnv *jvmti_env, JNIEnv *env) { - printf("Localizing jdk.jfr.FlightRecorder\n"); - // without fix for 8233197 the process will crash at the following line - jclass cls = (*env)->FindClass(env, "jdk/jfr/FlightRecorder"); - jmethodID mid = (*env)->GetStaticMethodID(env, cls, "getFlightRecorder", "()Ljdk/jfr/FlightRecorder;"); - if (mid == 0) { - printf("Unable to localize jdk.jfr.FlightRecorder#getFlightRecorder() method\n"); - // crash the tested JVM to make the test fail - exit(-1); - } - printf("Going to initialize JFR subsystem ...\n"); - jobject jfr = (*env)->CallStaticObjectMethod(env, cls, mid); - - if (!(*env)->ExceptionCheck(env)) { - // crash the tested JVM to make the test fail - printf("JFR subsystem is wrongly initialized too early\n"); - exit(-2); - } - // exit VM - exit(0); -} - -static -jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { - jint res, size; - jvmtiCapabilities caps; - jvmtiEventCallbacks callbacks; - jvmtiError err; - - res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), - JVMTI_VERSION_1_2); - if (res != JNI_OK || jvmti == NULL) { - printf(" Error: wrong result of a valid call to GetEnv!\n"); - return JNI_ERR; - } - - size = (jint)sizeof(callbacks); - - memset(&callbacks, 0, sizeof(callbacks)); - callbacks.VMStart = Callback_VMStart; - - err = (*jvmti)->SetEventCallbacks(jvmti, &callbacks, size); - if (err != JVMTI_ERROR_NONE) { - printf(" Error in SetEventCallbacks: %s (%d)\n", TranslateError(err), err); - return JNI_ERR; - } - - err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_START, (jthread)NULL); - if (err != JVMTI_ERROR_NONE) { - printf(" Error in SetEventNotificationMode: %s (%d)\n", TranslateError(err), err); - return JNI_ERR; - } - return JNI_OK; -} - -#ifdef __cplusplus -} -#endif