1.1 --- a/test/runtime/8233197/libJvmtiAgent.c Sat Oct 24 16:18:50 2020 +0800
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,124 +0,0 @@
1.4 -/*
1.5 - * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
1.6 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 - *
1.8 - * This code is free software; you can redistribute it and/or modify it
1.9 - * under the terms of the GNU General Public License version 2 only, as
1.10 - * published by the Free Software Foundation.
1.11 - *
1.12 - * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 - * version 2 for more details (a copy is included in the LICENSE file that
1.16 - * accompanied this code).
1.17 - *
1.18 - * You should have received a copy of the GNU General Public License version
1.19 - * 2 along with this work; if not, write to the Free Software Foundation,
1.20 - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 - *
1.22 - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 - * or visit www.oracle.com if you need additional information or have any
1.24 - * questions.
1.25 - */
1.26 -
1.27 -#include <stdio.h>
1.28 -#include <stdlib.h>
1.29 -#include <string.h>
1.30 -#include "jvmti.h"
1.31 -
1.32 -#ifdef __cplusplus
1.33 -extern "C" {
1.34 -#endif
1.35 -
1.36 -#ifndef JNI_ENV_ARG
1.37 -
1.38 -#ifdef __cplusplus
1.39 -#define JNI_ENV_ARG(x, y) y
1.40 -#define JNI_ENV_PTR(x) x
1.41 -#else
1.42 -#define JNI_ENV_ARG(x,y) x, y
1.43 -#define JNI_ENV_PTR(x) (*x)
1.44 -#endif
1.45 -
1.46 -#endif
1.47 -
1.48 -#define TranslateError(err) "JVMTI error"
1.49 -
1.50 -static jvmtiEnv *jvmti = NULL;
1.51 -
1.52 -static jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved);
1.53 -
1.54 -JNIEXPORT
1.55 -jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
1.56 - return Agent_Initialize(jvm, options, reserved);
1.57 -}
1.58 -
1.59 -JNIEXPORT
1.60 -jint JNICALL Agent_OnAttach(JavaVM *jvm, char *options, void *reserved) {
1.61 - return Agent_Initialize(jvm, options, reserved);
1.62 -}
1.63 -
1.64 -JNIEXPORT
1.65 -jint JNICALL JNI_OnLoad(JavaVM *jvm, void *reserved) {
1.66 - return JNI_VERSION_1_8;
1.67 -}
1.68 -
1.69 -static void JNICALL
1.70 -Callback_VMStart(jvmtiEnv *jvmti_env, JNIEnv *env) {
1.71 - printf("Localizing jdk.jfr.FlightRecorder\n");
1.72 - // without fix for 8233197 the process will crash at the following line
1.73 - jclass cls = (*env)->FindClass(env, "jdk/jfr/FlightRecorder");
1.74 - jmethodID mid = (*env)->GetStaticMethodID(env, cls, "getFlightRecorder", "()Ljdk/jfr/FlightRecorder;");
1.75 - if (mid == 0) {
1.76 - printf("Unable to localize jdk.jfr.FlightRecorder#getFlightRecorder() method\n");
1.77 - // crash the tested JVM to make the test fail
1.78 - exit(-1);
1.79 - }
1.80 - printf("Going to initialize JFR subsystem ...\n");
1.81 - jobject jfr = (*env)->CallStaticObjectMethod(env, cls, mid);
1.82 -
1.83 - if (!(*env)->ExceptionCheck(env)) {
1.84 - // crash the tested JVM to make the test fail
1.85 - printf("JFR subsystem is wrongly initialized too early\n");
1.86 - exit(-2);
1.87 - }
1.88 - // exit VM
1.89 - exit(0);
1.90 -}
1.91 -
1.92 -static
1.93 -jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
1.94 - jint res, size;
1.95 - jvmtiCapabilities caps;
1.96 - jvmtiEventCallbacks callbacks;
1.97 - jvmtiError err;
1.98 -
1.99 - res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
1.100 - JVMTI_VERSION_1_2);
1.101 - if (res != JNI_OK || jvmti == NULL) {
1.102 - printf(" Error: wrong result of a valid call to GetEnv!\n");
1.103 - return JNI_ERR;
1.104 - }
1.105 -
1.106 - size = (jint)sizeof(callbacks);
1.107 -
1.108 - memset(&callbacks, 0, sizeof(callbacks));
1.109 - callbacks.VMStart = Callback_VMStart;
1.110 -
1.111 - err = (*jvmti)->SetEventCallbacks(jvmti, &callbacks, size);
1.112 - if (err != JVMTI_ERROR_NONE) {
1.113 - printf(" Error in SetEventCallbacks: %s (%d)\n", TranslateError(err), err);
1.114 - return JNI_ERR;
1.115 - }
1.116 -
1.117 - err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_START, (jthread)NULL);
1.118 - if (err != JVMTI_ERROR_NONE) {
1.119 - printf(" Error in SetEventNotificationMode: %s (%d)\n", TranslateError(err), err);
1.120 - return JNI_ERR;
1.121 - }
1.122 - return JNI_OK;
1.123 -}
1.124 -
1.125 -#ifdef __cplusplus
1.126 -}
1.127 -#endif
