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( 47 NSK_CPP_STUB3(SetVerboseFlag, jvmti, JVMTI_VERBOSE_OTHER, JNI_TRUE))) 48 return NSK_FALSE; 49 50 if (!NSK_JVMTI_VERIFY( 51 NSK_CPP_STUB3(SetVerboseFlag, jvmti, JVMTI_VERBOSE_OTHER, JNI_FALSE))) 52 return NSK_FALSE; 53 54 if (!NSK_JVMTI_VERIFY( 55 NSK_CPP_STUB3(SetVerboseFlag, jvmti, JVMTI_VERBOSE_GC, JNI_TRUE))) 56 return NSK_FALSE; 57 58 if (!NSK_JVMTI_VERIFY( 59 NSK_CPP_STUB3(SetVerboseFlag, jvmti, JVMTI_VERBOSE_GC, JNI_FALSE))) 60 return NSK_FALSE; 61 62 if (!NSK_JVMTI_VERIFY( 63 NSK_CPP_STUB3(SetVerboseFlag, jvmti, JVMTI_VERBOSE_CLASS, JNI_TRUE))) 64 return NSK_FALSE; 65 66 if (!NSK_JVMTI_VERIFY( 67 NSK_CPP_STUB3(SetVerboseFlag, jvmti, JVMTI_VERBOSE_CLASS, JNI_FALSE))) 68 return NSK_FALSE; 69 70 if (!NSK_JVMTI_VERIFY( 71 NSK_CPP_STUB3(SetVerboseFlag, jvmti, JVMTI_VERBOSE_JNI, JNI_TRUE))) 72 return NSK_FALSE; 73 74 if (!NSK_JVMTI_VERIFY( 75 NSK_CPP_STUB3(SetVerboseFlag, jvmti, JVMTI_VERBOSE_JNI, JNI_FALSE))) 76 return NSK_FALSE; 77 78 return NSK_TRUE; 79 } 80 81 /* ========================================================================== */ 82 83 void JNICALL 84 VMInit(jvmtiEnv *jvmti, JNIEnv* jni, jthread thread) { 85 86 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetPhase, jvmti, &phase))) 87 nsk_jvmti_setFailStatus(); 88 89 NSK_DISPLAY1("Phase: %s\n", TranslatePhase(phase)); 90 91 /* testcase #3: check SetVerboseFlag in VMInit */ 92 NSK_DISPLAY0("Testcase #3: check SetVerboseFlag in VMInit\n"); 93 if (!checkSetVerboseFlag(jvmti)) 94 nsk_jvmti_setFailStatus(); 95 } 96 97 void JNICALL 98 ClassFileLoadHook(jvmtiEnv *jvmti, JNIEnv *jni, 99 jclass class_being_redefined, 100 jobject loader, const char* name, 101 jobject protection_domain, 102 jint class_data_len, 103 const unsigned char* class_data, 104 jint* new_class_data_len, 105 unsigned char** new_class_data) { 106 jvmtiPhase curr_phase; 107 108 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorEnter, jvmti, access_lock))) 109 nsk_jvmti_setFailStatus(); 110 111 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetPhase, jvmti, &curr_phase))) 112 nsk_jvmti_setFailStatus(); 113 114 if (phase != curr_phase) { 115 phase = curr_phase; 116 NSK_DISPLAY1("Phase: %s\n", TranslatePhase(phase)); 117 118 /* testcase #2: check SetVerboseFlag in ClassFileLoadHook */ 119 NSK_DISPLAY0("Testcase #2: check SetVerboseFlag in ClassFileLoadHook\n"); 120 if (!checkSetVerboseFlag(jvmti)) 121 nsk_jvmti_setFailStatus(); 122 } 123 124 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorExit, jvmti, access_lock))) 125 nsk_jvmti_setFailStatus(); 126 } 127 128 /* ========================================================================== */ 129 130 /* agent algorithm */ 131 static void JNICALL 132 agentProc(jvmtiEnv *jvmti, JNIEnv* jni, void* arg) { 133 134 /* wait for debuggee start */ 135 if (!nsk_jvmti_waitForSync(timeout)) 136 return; 137 138 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetPhase, jvmti, &phase))) 139 nsk_jvmti_setFailStatus(); 140 141 NSK_DISPLAY1("Phase: %s\n", TranslatePhase(phase)); 142 143 /* testcase #4: check SetVerboseFlag in agentProc */ 144 NSK_DISPLAY0("Testcase #4: check SetVerboseFlag in agentProc\n"); 145 if (!checkSetVerboseFlag(jvmti)) 146 nsk_jvmti_setFailStatus(); 147 148 /* resume debugee after last sync */ 149 if (!nsk_jvmti_resumeSync()) 150 return; 151 } 152 153 /* ========================================================================== */ 154 155 /* agent library initialization */ 156 #ifdef STATIC_BUILD 157 JNIEXPORT jint JNICALL Agent_OnLoad_setvrbflag001(JavaVM *jvm, char *options, void *reserved) { 158 return Agent_Initialize(jvm, options, reserved); 159 } 160 JNIEXPORT jint JNICALL Agent_OnAttach_setvrbflag001(JavaVM *jvm, char *options, void *reserved) { 161 return Agent_Initialize(jvm, options, reserved); 162 } 163 JNIEXPORT jint JNI_OnLoad_setvrbflag001(JavaVM *jvm, char *options, void *reserved) { 164 return JNI_VERSION_1_8; 165 } 166 #endif 167 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { 168 jvmtiEnv *jvmti = NULL; 169 jvmtiEventCallbacks callbacks; 170 171 /* init framework and parse options */ 172 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) 173 return JNI_ERR; 174 175 timeout = nsk_jvmti_getWaitTime() * 60000; 176 NSK_DISPLAY1("Timeout: %d msc\n", (int)timeout); 177 178 /* create JVMTI environment */ 179 if (!NSK_VERIFY((jvmti = 180 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) 181 return JNI_ERR; 182 183 /* Create data access lock */ 184 if (!NSK_JVMTI_VERIFY( 185 NSK_CPP_STUB3(CreateRawMonitor, jvmti, 186 "_access_lock", &access_lock))) 187 return JNI_ERR; 188 189 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetPhase, jvmti, &phase))) 190 return JNI_ERR; 191 192 NSK_DISPLAY1("Phase: %s\n", TranslatePhase(phase)); 193 194 /* testcase #1: check SetVerboseFlag in Agent_OnLoad */ 195 NSK_DISPLAY0("Testcase #1: check SetVerboseFlag in Agent_OnLoad\n"); 196 if (!checkSetVerboseFlag(jvmti)) 197 nsk_jvmti_setFailStatus(); 198 199 memset(&callbacks, 0, sizeof(callbacks)); 200 callbacks.VMInit = &VMInit; 201 callbacks.ClassFileLoadHook = &ClassFileLoadHook; 202 if (!NSK_JVMTI_VERIFY( 203 NSK_CPP_STUB3(SetEventCallbacks, jvmti, 204 &callbacks, sizeof(callbacks)))) 205 return JNI_ERR; 206 207 /* enable VMInit event */ 208 if (!NSK_JVMTI_VERIFY( 209 NSK_CPP_STUB4(SetEventNotificationMode, jvmti, JVMTI_ENABLE, 210 JVMTI_EVENT_VM_INIT, NULL))) 211 return JNI_ERR; 212 213 /* enable ClassFileLoadHook event */ 214 if (!NSK_JVMTI_VERIFY( 215 NSK_CPP_STUB4(SetEventNotificationMode, jvmti, JVMTI_ENABLE, 216 JVMTI_EVENT_CLASS_FILE_LOAD_HOOK, NULL))) 217 return JNI_ERR; 218 219 /* register agent proc and arg */ 220 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) 221 return JNI_ERR; 222 223 return JNI_OK; 224 } 225 226 /* ========================================================================== */ 227 228 }