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 <stdlib.h>
26 #include <string.h>
27 #include <jvmti.h>
28 #include "agent_common.h"
29
30 #include "nsk_tools.h"
31 #include "JVMTITools.h"
32 #include "jvmti_tools.h"
33
34 extern "C" {
35
36 #define STATUS_FAILED 2
37 #define PASSED 0
38
39 #define MEM_SIZE 1024
40
41 static jvmtiEnv *jvmti = NULL;
42 static jvmtiEventCallbacks callbacks;
43 static jvmtiCapabilities caps;
44
45 static volatile jint result = PASSED;
46 static volatile int gcstart = 0;
47 unsigned char *mem;
48
49 static void rawMonitorFunc(jvmtiEnv *jvmti_env, const char *msg) {
50 jrawMonitorID _lock;
51
52 NSK_DISPLAY1("%s: creating a raw monitor ...\n",
53 msg);
54 if (!NSK_JVMTI_VERIFY(jvmti_env->CreateRawMonitor("_lock", &_lock))) {
55 result = STATUS_FAILED;
56 NSK_COMPLAIN1("TEST FAILED: %s: unable to create a raw monitor\n\n",
57 msg);
58 return;
59 }
60 NSK_DISPLAY1("CHECK PASSED: %s: raw monitor created\n",
61 msg);
62
63 NSK_DISPLAY1("%s: entering the raw monitor ...\n",
64 msg);
65 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorEnter(_lock))) {
66 result = STATUS_FAILED;
67 NSK_COMPLAIN1("TEST FAILED: %s: unable to enter the raw monitor\n\n",
68 msg);
69 return;
70 }
71 else {
72 NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor entered\n",
73 msg);
74
75 NSK_DISPLAY1("%s: waiting the raw monitor ...\n",
76 msg);
77 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorWait(_lock, (jlong)10))) {
78 result = STATUS_FAILED;
79 NSK_COMPLAIN1("TEST FAILED: %s: unable to wait the raw monitor\n\n",
80 msg);
81 }
82 NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor waited\n",
83 msg);
84
85
86 NSK_DISPLAY1("%s: notifying a single thread waiting on the raw monitor ...\n",
87 msg);
88 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorNotify(_lock))) {
89 result = STATUS_FAILED;
90 NSK_COMPLAIN1("TEST FAILED: %s: unable to notify single thread\n\n",
91 msg);
92 }
93 NSK_DISPLAY1("CHECK PASSED: %s: single thread notified\n",
94 msg);
95
96
97 NSK_DISPLAY1("%s: notifying all threads waiting on the raw monitor ...\n",
98 msg);
99 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorNotifyAll(_lock))) {
100 result = STATUS_FAILED;
101 NSK_COMPLAIN1("TEST FAILED: %s: unable to notify all threads\n\n",
102 msg);
103 }
104 NSK_DISPLAY1("CHECK PASSED: %s: all threads notified\n",
105 msg);
106
107
108 NSK_DISPLAY1("%s: exiting the raw monitor ...\n",
109 msg);
110 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorExit(_lock))) {
111 result = STATUS_FAILED;
112 NSK_COMPLAIN1("TEST FAILED: %s: unable to exit the raw monitor\n\n",
113 msg);
114 }
115 NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor exited\n",
116 msg);
117 }
118
119 NSK_DISPLAY1("%s: destroying the raw monitor ...\n",
120 msg);
121 if (!NSK_JVMTI_VERIFY(jvmti_env->DestroyRawMonitor(_lock))) {
122 result = STATUS_FAILED;
123 NSK_COMPLAIN1("TEST FAILED: %s: unable to destroy a raw monitor\n",
124 msg);
125 return;
126 }
127 NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor destroyed\n",
128 msg);
129 }
130
131 static void memoryFunc(jvmtiEnv *jvmti_env, const char *msg) {
132 NSK_DISPLAY1("%s: allocating memory ...\n",
133 msg);
134 if (!NSK_JVMTI_VERIFY(jvmti_env->Allocate(MEM_SIZE, &mem))) {
135 result = STATUS_FAILED;
136 NSK_COMPLAIN1("TEST FAILED: %s: unable to allocate memory\n\n",
137 msg);
138 return;
139 }
140 else
141 NSK_DISPLAY1("CHECK PASSED: %s: memory has been allocated successfully\n",
142 msg);
143
144 NSK_DISPLAY1("%s: deallocating memory ...\n",
145 msg);
146 if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate(mem))) {
147 result = STATUS_FAILED;
148 NSK_COMPLAIN1("TEST FAILED: %s: unable to deallocate memory\n\n",
149 msg);
150 }
151 else
152 NSK_DISPLAY1("CHECK PASSED: %s: memory has been deallocated successfully\n\n",
153 msg);
154 }
155
156 /** callback functions **/
157 void JNICALL
158 GarbageCollectionStart(jvmtiEnv *jvmti_env) {
159 gcstart++;
160 NSK_DISPLAY1(">>>> GarbageCollectionStart event #%d received\n",
161 gcstart);
162
163 rawMonitorFunc(jvmti_env, "GarbageCollectionStart");
164
165 memoryFunc(jvmti_env, "GarbageCollectionStart");
166
167 NSK_DISPLAY0("<<<<\n\n");
168 }
169
170 void JNICALL
171 VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) {
172 NSK_DISPLAY0("VMDeath event received\n");
173
174 if (result == STATUS_FAILED)
175 exit(95 + STATUS_FAILED);
176 }
177
178 /************************/
179
180 #ifdef STATIC_BUILD
181 JNIEXPORT jint JNICALL Agent_OnLoad_gcstart002(JavaVM *jvm, char *options, void *reserved) {
182 return Agent_Initialize(jvm, options, reserved);
183 }
184 JNIEXPORT jint JNICALL Agent_OnAttach_gcstart002(JavaVM *jvm, char *options, void *reserved) {
185 return Agent_Initialize(jvm, options, reserved);
186 }
187 JNIEXPORT jint JNI_OnLoad_gcstart002(JavaVM *jvm, char *options, void *reserved) {
188 return JNI_VERSION_1_8;
189 }
190 #endif
191 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
192 /* init framework and parse options */
193 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
194 return JNI_ERR;
195
196 /* create JVMTI environment */
197 if (!NSK_VERIFY((jvmti =
198 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
199 return JNI_ERR;
200
201 /* add capability to generate compiled method events */
202 memset(&caps, 0, sizeof(jvmtiCapabilities));
203 caps.can_generate_garbage_collection_events = 1;
204 if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(&caps)))
205 return JNI_ERR;
206
207 if (!NSK_JVMTI_VERIFY(jvmti->GetCapabilities(&caps)))
208 return JNI_ERR;
209
210 if (!caps.can_generate_garbage_collection_events)
211 NSK_DISPLAY0("Warning: generation of garbage collection events is not implemented\n");
212
213 /* set event callback */
214 NSK_DISPLAY0("setting event callbacks ...\n");
215 (void) memset(&callbacks, 0, sizeof(callbacks));
216 callbacks.VMDeath = &VMDeath;
217 callbacks.GarbageCollectionStart = &GarbageCollectionStart;
218 if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks))))
219 return JNI_ERR;
220
221 NSK_DISPLAY0("setting event callbacks done\nenabling JVMTI events ...\n");
222 if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL)))
223 return JNI_ERR;
224 if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_GARBAGE_COLLECTION_START, NULL)))
225 return JNI_ERR;
226 NSK_DISPLAY0("enabling the events done\n\n");
227
228 return JNI_OK;
229 }
230
231 }