1 /* 2 * Copyright (c) 2003, 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 24 #include <stdio.h> 25 #include <string.h> 26 #include "jvmti.h" 27 #include "agent_common.h" 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #ifndef JNI_ENV_ARG 34 35 #ifdef __cplusplus 36 #define JNI_ENV_ARG(x, y) y 37 #define JNI_ENV_ARG1(x) 38 #define JNI_ENV_PTR(x) x 39 #else 40 #define JNI_ENV_ARG(x,y) x, y 41 #define JNI_ENV_ARG1(x) x 42 #define JNI_ENV_PTR(x) (*x) 43 #endif 44 45 #endif 46 47 48 jvmtiEnv *jvmti; 49 50 #ifdef STATIC_BUILD 51 JNIEXPORT jint JNICALL Agent_OnLoad_JvmtiTest(JavaVM *jvm, char *options, void *reserved) { 52 return Agent_Initialize(jvm, options, reserved); 53 } 54 JNIEXPORT jint JNICALL Agent_OnAttach_JvmtiTest(JavaVM *jvm, char *options, void *reserved) { 55 return Agent_Initialize(jvm, options, reserved); 56 } 57 JNIEXPORT jint JNI_OnLoad_JvmtiTest(JavaVM *jvm, char *options, void *reserved) { 58 return JNI_VERSION_1_8; 59 } 60 #endif 61 jint Agent_Initialize(JavaVM * jvm, char *options, void *reserved) { 62 jint res; 63 64 res = JNI_ENV_PTR(jvm)-> 65 GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), JVMTI_VERSION_1_1); 66 if (res < 0) { 67 printf("Wrong result of a valid call to GetEnv!\n"); 68 return JNI_ERR; 69 } 70 71 return JNI_OK; 72 } 73 74 75 JNIEXPORT void JNICALL 76 #ifdef STATIC_BUILD 77 Agent_OnUnload_JvmtiTest(JavaVM *jvm) 78 #else 79 Agent_OnUnload(JavaVM *jvm) 80 #endif 81 { 82 printf("Success -- called Agent_OnUnload\n"); 83 } 84 85 86 #ifdef __cplusplus 87 } 88 #endif