1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <string.h>
#include "jvmti.h"
#include "agent_common.h"
#include "jni_tools.h"
#include "jvmti_tools.h"
#ifdef __cplusplus
extern "C" {
#endif
/* ============================================================================= */
/* scaffold objects */
static jlong timeout = 0;
/* constant names */
#define DEBUGEE_CLASS_NAME "nsk/jvmti/GetObjectHashCode/objhashcode001"
#define OBJECT_CLASS_NAME "nsk/jvmti/GetObjectHashCode/objhashcode001TestedClass"
#define OBJECT_CLASS_SIG "L"OBJECT_CLASS_NAME";"
#define OBJECT_FIELD_NAME "testedObject"
/* ============================================================================= */
/** Agent algorithm. */
static void JNICALL
agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
NSK_DISPLAY0("Wait for object created\n");
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout)))
return;
/* perform testing */
{
jobject testedObject = NULL;
jint objectHashCode = 0;
NSK_DISPLAY0(">>> Obtain tested object from a static field of debugee class\n");
{
jclass debugeeClass = NULL;
jfieldID objectField = NULL;
NSK_DISPLAY1("Find debugee class: %s\n", DEBUGEE_CLASS_NAME);
if (!NSK_JNI_VERIFY(jni, (debugeeClass =
NSK_CPP_STUB2(FindClass, jni, DEBUGEE_CLASS_NAME)) != NULL)) {
nsk_jvmti_setFailStatus();
return;
}
NSK_DISPLAY1(" ... found class: %p\n", (void*)debugeeClass);
NSK_DISPLAY1("Find static field: %s\n", OBJECT_FIELD_NAME);
if (!NSK_JNI_VERIFY(jni, (objectField =
NSK_CPP_STUB4(GetStaticFieldID, jni, debugeeClass,
OBJECT_FIELD_NAME, OBJECT_CLASS_SIG)) != NULL)) {
nsk_jvmti_setFailStatus();
return;
}
NSK_DISPLAY1(" ... got fieldID: %p\n", (void*)objectField);
NSK_DISPLAY1("Get object from static field: %s\n", OBJECT_FIELD_NAME);
if (!NSK_JNI_VERIFY(jni, (testedObject =
NSK_CPP_STUB3(GetStaticObjectField, jni, debugeeClass,
objectField)) != NULL)) {
nsk_jvmti_setFailStatus();
return;
}
NSK_DISPLAY1(" ... got object: %p\n", (void*)testedObject);
NSK_DISPLAY1("Create global reference for object: %p\n", (void*)testedObject);
if (!NSK_JNI_VERIFY(jni, (testedObject =
NSK_CPP_STUB2(NewGlobalRef, jni, testedObject)) != NULL)) {
nsk_jvmti_setFailStatus();
return;
}
NSK_DISPLAY1(" ... got reference: %p\n", (void*)testedObject);
}
NSK_DISPLAY0(">>> Testcase #1: get initial hash code of the object\n");
{
NSK_DISPLAY1("Get hashcode for object: %p\n", (void*)testedObject);
if (!NSK_JVMTI_VERIFY(
NSK_CPP_STUB3(GetObjectHashCode, jvmti, testedObject, &objectHashCode))) {
nsk_jvmti_setFailStatus();
return;
}
NSK_DISPLAY1(" ... got hash code: %d\n", (int)objectHashCode);
}
NSK_DISPLAY0(">>> Testcase #2: get hash code of not changed object and compare with initial\n");
{
jint hashCode = 0;
NSK_DISPLAY1("Get hashcode for object: %p\n", (void*)testedObject);
if (!NSK_JVMTI_VERIFY(
NSK_CPP_STUB3(GetObjectHashCode, jvmti, testedObject, &hashCode))) {
nsk_jvmti_setFailStatus();
return;
}
NSK_DISPLAY1(" ... got hash code: %d\n", (int)hashCode);
if (hashCode != objectHashCode) {
NSK_COMPLAIN2("Other call to GetObjectHasCode for not changed object returns different value\n"
"# got hash code: %d\n"
"# initial hash code: %d\n",
(int)hashCode, (int)objectHashCode);
nsk_jvmti_setFailStatus();
} else {
NSK_DISPLAY2("SUCCESS: Got hash code is equal to initial: %d = %d\n",
(int)hashCode, (int)objectHashCode);
}
}
NSK_DISPLAY0(">>> Testcase #3: get hash code of changed object and compare with initial\n");
{
jint hashCode = 0;
NSK_DISPLAY0("Let debugee to change object data\n");
if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
return;
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout)))
return;
NSK_DISPLAY1("Get hashcode for object: %p\n", (void*)testedObject);
if (!NSK_JVMTI_VERIFY(
NSK_CPP_STUB3(GetObjectHashCode, jvmti, testedObject, &hashCode))) {
nsk_jvmti_setFailStatus();
return;
}
NSK_DISPLAY1(" ... got hash code: %d\n", (int)hashCode);
if (hashCode != objectHashCode) {
NSK_COMPLAIN2("Other call to GetObjectHasCode for changed object returns different value\n"
"# got hash code: %d\n"
"# initial hash code: %d\n",
(int)hashCode, (int)objectHashCode);
nsk_jvmti_setFailStatus();
} else {
NSK_DISPLAY2("SUCCESS: Got hash code is equal to initial: %d = %d\n",
(int)hashCode, (int)objectHashCode);
}
}
NSK_DISPLAY0(">>> Clean used data\n");
{
NSK_DISPLAY1("Delete object reference: %p\n", (void*)testedObject);
NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, testedObject));
}
}
NSK_DISPLAY0("Let debugee to finish\n");
if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
return;
}
/* ============================================================================= */
/** Agent library initialization. */
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_objhashcode001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_objhashcode001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_objhashcode001(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
jvmtiEnv* jvmti = NULL;
/* init framework and parse options */
if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
return JNI_ERR;
timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
/* create JVMTI environment */
if (!NSK_VERIFY((jvmti =
nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
return JNI_ERR;
/* register agent proc and arg */
if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
return JNI_ERR;
return JNI_OK;
}
/* ============================================================================= */
#ifdef __cplusplus
}
#endif
|
