| /* |
| * Copyright (c) 2003, 2018, 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 <stdio.h> |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <jvmti.h> |
| #include "agent_common.h" |
| |
| #include "nsk_tools.h" |
| #include "JVMTITools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define PASSED 0 |
| #define STATUS_FAILED 2 |
| |
| const char* CLASS_NAME = "nsk/jvmti/ClassFileLoadHook/classfloadhk001"; |
| |
| static jint result = STATUS_FAILED; |
| static jvmtiEnv *jvmti = NULL; |
| static jvmtiEventCallbacks callbacks; |
| |
| /** callback functions **/ |
| void JNICALL |
| ClassFileLoadHook(jvmtiEnv *jvmti_env, JNIEnv *env, jclass class_beeing_redefined, |
| jobject loader, const char* name, jobject protection_domain, |
| jint class_data_len, const unsigned char* class_data, |
| jint *new_class_data_len, unsigned char** new_class_data) { |
| |
| if (name != NULL && (strcmp(name, CLASS_NAME) == 0)) { |
| NSK_DISPLAY1("CHECK PASSED: ClassFileLoadHook event received for the class \"%s\" as expected\n", |
| name); |
| result = PASSED; |
| } |
| } |
| /************************/ |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_ClassFileLoadHook_classfloadhk001_check( |
| JNIEnv *env, jobject obj) { |
| if (result == STATUS_FAILED) |
| NSK_COMPLAIN1("TEST FAILED: no JVMTI_EVENT_CLASS_FILE_LOAD_HOOK event for the class \"%s\"\n", |
| CLASS_NAME); |
| |
| return result; |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_classfloadhk001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_classfloadhk001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_classfloadhk001(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| /* init framework and parse options */ |
| if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
| return JNI_ERR; |
| |
| /* create JVMTI environment */ |
| if (!NSK_VERIFY((jvmti = |
| nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
| return JNI_ERR; |
| |
| NSK_DISPLAY0("setting event callbacks ...\n"); |
| (void) memset(&callbacks, 0, sizeof(callbacks)); |
| callbacks.ClassFileLoadHook = &ClassFileLoadHook; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks, |
| jvmti, &callbacks, sizeof(callbacks)))) |
| return JNI_ERR; |
| |
| NSK_DISPLAY0("setting event callbacks done\nenabling ClassFileLoadHook event ...\n"); |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, |
| jvmti, JVMTI_ENABLE, JVMTI_EVENT_CLASS_FILE_LOAD_HOOK, NULL))) |
| return JNI_ERR; |
| NSK_DISPLAY0("enabling ClassFileLoadHook event done\n"); |
| |
| return JNI_OK; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |