1 /* 2 * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 #include <stdio.h> 24 #include <stdlib.h> 25 #include <string.h> 26 #include <jni.h> 27 #include <jvmti.h> 28 #include <aod.h> 29 #include <jvmti_aod.h> 30 31 #define ON_UNLOAD_MARKER "attach050.on_unload" 32 33 extern "C" { 34 35 /* 36 * This agent gets JVMTI environment and calls nsk_aod_agentLoaded and 37 * nsk_aod_agentFinished from Agent_OnAttach. It also has 38 * Agent_OnUnload function that prints marker string to the stdout, 39 * providing a means for the test runner to check whether 40 * Agent_OnUnload is called on agent unload during VM shutdown. 41 */ 42 43 #ifdef STATIC_BUILD 44 JNIEXPORT jint JNI_OnLoad_attach050Agent00(JavaVM *jvm, char *options, void *reserved) { 45 return JNI_VERSION_1_8; 46 } 47 #endif 48 49 JNIEXPORT jint JNICALL 50 #ifdef STATIC_BUILD 51 Agent_OnAttach_attach050Agent00(JavaVM *vm, char *optionsString, void *reserved) 52 #else 53 Agent_OnAttach(JavaVM *vm, char *optionsString, void *reserved) 54 #endif 55 { 56 jvmtiEnv* jvmti; 57 JNIEnv* jni = NULL; 58 Options* options = NULL; 59 const char* agentName; 60 61 if (!NSK_VERIFY((options = (Options*) nsk_aod_createOptions(optionsString)) != NULL)) 62 return JNI_ERR; 63 64 agentName = nsk_aod_getOptionValue(options, NSK_AOD_AGENT_NAME_OPTION); 65 66 if ((jni = (JNIEnv*) nsk_aod_createJNIEnv(vm)) == NULL) 67 return JNI_ERR; 68 69 if (!NSK_VERIFY((jvmti = nsk_jvmti_createJVMTIEnv(vm, reserved)) != NULL)) 70 return JNI_ERR; 71 72 NSK_DISPLAY1("%s: initialization was done\n", agentName); 73 74 if (!NSK_VERIFY(nsk_aod_agentLoaded(jni, agentName))) 75 return JNI_ERR; 76 77 nsk_aod_agentFinished(jni, agentName, 1); 78 79 return JNI_OK; 80 } 81 82 83 /* agent library shutdown */ 84 JNIEXPORT void JNICALL 85 #ifdef STATIC_BUILD 86 Agent_OnUnload_attach050Agent00(JavaVM *jvm) 87 #else 88 Agent_OnUnload(JavaVM *jvm) 89 #endif 90 { 91 fprintf(stdout, "%s%s", ON_UNLOAD_MARKER, "\n"); 92 fflush(stdout); 93 } 94 95 }