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 <stdlib.h> 25 #include <string.h> 26 #include "jni_tools.h" 27 #include "agent_common.h" 28 #include "jvmti_tools.h" 29 30 extern "C" { 31 32 /* ========================================================================== */ 33 34 /* scaffold objects */ 35 static jlong timeout = 0; 36 37 /* test objects */ 38 static jrawMonitorID access_lock; 39 static jvmtiPhase phase; 40 41 /* ========================================================================== */ 42 43 /* Check SetVerboseFlag function 44 */ 45 static int checkSetVerboseFlag(jvmtiEnv *jvmti) { 46 if (!NSK_JVMTI_VERIFY(jvmti->SetVerboseFlag(JVMTI_VERBOSE_OTHER, JNI_TRUE))) 47 return NSK_FALSE; 48 49 if (!NSK_JVMTI_VERIFY(jvmti->SetVerboseFlag(JVMTI_VERBOSE_OTHER, JNI_FALSE))) 50 return NSK_FALSE; 51 52 if (!NSK_JVMTI_VERIFY(jvmti->SetVerboseFlag(JVMTI_VERBOSE_GC, JNI_TRUE))) 53 return NSK_FALSE; 54 55 if (!NSK_JVMTI_VERIFY(jvmti->SetVerboseFlag(JVMTI_VERBOSE_GC, JNI_FALSE))) 56 return NSK_FALSE; 57 58 if (!NSK_JVMTI_VERIFY(jvmti->SetVerboseFlag(JVMTI_VERBOSE_CLASS, JNI_TRUE))) 59 return NSK_FALSE; 60 61 if (!NSK_JVMTI_VERIFY(jvmti->SetVerboseFlag(JVMTI_VERBOSE_CLASS, JNI_FALSE))) 62 return NSK_FALSE; 63 64 if (!NSK_JVMTI_VERIFY(jvmti->SetVerboseFlag(JVMTI_VERBOSE_JNI, JNI_TRUE))) 65 return NSK_FALSE; 66 67 if (!NSK_JVMTI_VERIFY(jvmti->SetVerboseFlag(JVMTI_VERBOSE_JNI, JNI_FALSE))) 68 return NSK_FALSE; 69 70 return NSK_TRUE; 71 } 72 73 /* ========================================================================== */ 74 75 void JNICALL 76 VMInit(jvmtiEnv *jvmti, JNIEnv* jni, jthread thread) { 77 78 if (!NSK_JVMTI_VERIFY(jvmti->GetPhase(&phase))) 79 nsk_jvmti_setFailStatus(); 80 81 NSK_DISPLAY1("Phase: %s\n", TranslatePhase(phase)); 82 83 /* testcase #3: check SetVerboseFlag in VMInit */ 84 NSK_DISPLAY0("Testcase #3: check SetVerboseFlag in VMInit\n"); 85 if (!checkSetVerboseFlag(jvmti)) 86 nsk_jvmti_setFailStatus(); 87 } 88 89 void JNICALL 90 ClassFileLoadHook(jvmtiEnv *jvmti, JNIEnv *jni, 91 jclass class_being_redefined, 92 jobject loader, const char* name, 93 jobject protection_domain, 94 jint class_data_len, 95 const unsigned char* class_data, 96 jint* new_class_data_len, 97 unsigned char** new_class_data) { 98 jvmtiPhase curr_phase; 99 100 if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(access_lock))) 101 nsk_jvmti_setFailStatus(); 102 103 if (!NSK_JVMTI_VERIFY(jvmti->GetPhase(&curr_phase))) 104 nsk_jvmti_setFailStatus(); 105 106 if (phase != curr_phase) { 107 phase = curr_phase; 108 NSK_DISPLAY1("Phase: %s\n", TranslatePhase(phase)); 109 110 /* testcase #2: check SetVerboseFlag in ClassFileLoadHook */ 111 NSK_DISPLAY0("Testcase #2: check SetVerboseFlag in ClassFileLoadHook\n"); 112 if (!checkSetVerboseFlag(jvmti)) 113 nsk_jvmti_setFailStatus(); 114 } 115 116 if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(access_lock))) 117 nsk_jvmti_setFailStatus(); 118 } 119 120 /* ========================================================================== */ 121 122 /* agent algorithm */ 123 static void JNICALL 124 agentProc(jvmtiEnv *jvmti, JNIEnv* jni, void* arg) { 125 126 /* wait for debuggee start */ 127 if (!nsk_jvmti_waitForSync(timeout)) 128 return; 129 130 if (!NSK_JVMTI_VERIFY(jvmti->GetPhase(&phase))) 131 nsk_jvmti_setFailStatus(); 132 133 NSK_DISPLAY1("Phase: %s\n", TranslatePhase(phase)); 134 135 /* testcase #4: check SetVerboseFlag in agentProc */ 136 NSK_DISPLAY0("Testcase #4: check SetVerboseFlag in agentProc\n"); 137 if (!checkSetVerboseFlag(jvmti)) 138 nsk_jvmti_setFailStatus(); 139 140 /* resume debugee after last sync */ 141 if (!nsk_jvmti_resumeSync()) 142 return; 143 } 144 145 /* ========================================================================== */ 146 147 /* agent library initialization */ 148 #ifdef STATIC_BUILD 149 JNIEXPORT jint JNICALL Agent_OnLoad_setvrbflag001(JavaVM *jvm, char *options, void *reserved) { 150 return Agent_Initialize(jvm, options, reserved); 151 } 152 JNIEXPORT jint JNICALL Agent_OnAttach_setvrbflag001(JavaVM *jvm, char *options, void *reserved) { 153 return Agent_Initialize(jvm, options, reserved); 154 } 155 JNIEXPORT jint JNI_OnLoad_setvrbflag001(JavaVM *jvm, char *options, void *reserved) { 156 return JNI_VERSION_1_8; 157 } 158 #endif 159 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { 160 jvmtiEnv *jvmti = NULL; 161 jvmtiEventCallbacks callbacks; 162 163 /* init framework and parse options */ 164 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) 165 return JNI_ERR; 166 167 timeout = nsk_jvmti_getWaitTime() * 60000; 168 NSK_DISPLAY1("Timeout: %d msc\n", (int)timeout); 169 170 /* create JVMTI environment */ 171 if (!NSK_VERIFY((jvmti = 172 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) 173 return JNI_ERR; 174 175 /* Create data access lock */ 176 if (!NSK_JVMTI_VERIFY(jvmti->CreateRawMonitor("_access_lock", &access_lock))) 177 return JNI_ERR; 178 179 if (!NSK_JVMTI_VERIFY(jvmti->GetPhase(&phase))) 180 return JNI_ERR; 181 182 NSK_DISPLAY1("Phase: %s\n", TranslatePhase(phase)); 183 184 /* testcase #1: check SetVerboseFlag in Agent_OnLoad */ 185 NSK_DISPLAY0("Testcase #1: check SetVerboseFlag in Agent_OnLoad\n"); 186 if (!checkSetVerboseFlag(jvmti)) 187 nsk_jvmti_setFailStatus(); 188 189 memset(&callbacks, 0, sizeof(callbacks)); 190 callbacks.VMInit = &VMInit; 191 callbacks.ClassFileLoadHook = &ClassFileLoadHook; 192 if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks)))) 193 return JNI_ERR; 194 195 /* enable VMInit event */ 196 if (!NSK_JVMTI_VERIFY( 197 jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_VM_INIT, NULL))) 198 return JNI_ERR; 199 200 /* enable ClassFileLoadHook event */ 201 if (!NSK_JVMTI_VERIFY( 202 jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_CLASS_FILE_LOAD_HOOK, NULL))) 203 return JNI_ERR; 204 205 /* register agent proc and arg */ 206 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) 207 return JNI_ERR; 208 209 return JNI_OK; 210 } 211 212 /* ========================================================================== */ 213 214 }