71 NSK_DISPLAY0("Warning: no object free events\n");
72 }
73
74 if (nsk_jvmti_isFailStatus()) {
75 exit(NSK_STATUS_BASE + NSK_STATUS_FAILED);
76 }
77 }
78
79 /* ========================================================================== */
80
81 static int prepare(JNIEnv* jni) {
82 const char* CLASS_NAME = "nsk/jvmti/scenarios/multienv/MA04/ma04t003";
83 const char* FIELD_NAME = "testedObject1";
84 const char* FIELD_SIGNATURE = "Ljava/lang/Object;";
85 jclass cls = NULL;
86 jfieldID fid = NULL;
87
88 NSK_DISPLAY0("Obtain tested object from a static field of debugee class\n");
89
90 NSK_DISPLAY1("Find class: %s\n", CLASS_NAME);
91 if (!NSK_JNI_VERIFY(jni, (cls =
92 NSK_CPP_STUB2(FindClass, jni, CLASS_NAME)) != NULL))
93 return NSK_FALSE;
94
95 NSK_DISPLAY2("Find field: %s:%s\n", FIELD_NAME, FIELD_SIGNATURE);
96 if (!NSK_JNI_VERIFY(jni, (fid =
97 NSK_CPP_STUB4(GetStaticFieldID, jni, cls,
98 FIELD_NAME, FIELD_SIGNATURE)) != NULL))
99 return NSK_FALSE;
100
101 if (!NSK_JNI_VERIFY(jni, (testedObject =
102 NSK_CPP_STUB3(GetStaticObjectField, jni, cls, fid)) != NULL))
103 return NSK_FALSE;
104
105 if (!NSK_JNI_VERIFY(jni, (testedObject =
106 NSK_CPP_STUB2(NewGlobalRef, jni, testedObject)) != NULL))
107 return NSK_FALSE;
108
109 return NSK_TRUE;
110 }
111
112 /* ========================================================================== */
113
114 /** Agent algorithm. */
115 static void JNICALL
116 agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
117
118 if (!nsk_jvmti_waitForSync(timeout))
119 return;
120
121 if (!prepare(jni)) {
122 nsk_jvmti_setFailStatus();
123 return;
124 }
125
126 NSK_DISPLAY0("Set tag on testedObject\n");
127 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetTag, jvmti, testedObject,
128 SAMPLE_TAG))) {
129 nsk_jvmti_setFailStatus();
130 return;
131 }
132
133 NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, testedObject));
134
135 if (!nsk_jvmti_resumeSync())
136 return;
137 }
138
139 /* ========================================================================== */
140
141 /** Agent library initialization. */
142 #ifdef STATIC_BUILD
143 JNIEXPORT jint JNICALL Agent_OnLoad_ma04t003(JavaVM *jvm, char *options, void *reserved) {
144 return Agent_Initialize(jvm, options, reserved);
145 }
146 JNIEXPORT jint JNICALL Agent_OnAttach_ma04t003(JavaVM *jvm, char *options, void *reserved) {
147 return Agent_Initialize(jvm, options, reserved);
148 }
149 JNIEXPORT jint JNI_OnLoad_ma04t003(JavaVM *jvm, char *options, void *reserved) {
150 return JNI_VERSION_1_8;
151 }
152 #endif
153 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
154 jvmtiEnv* jvmti = NULL;
155 jvmtiEventCallbacks callbacks;
156 jvmtiCapabilities caps;
157
158 NSK_DISPLAY0("Agent_OnLoad\n");
159
160 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
161 return JNI_ERR;
162
163 timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
164
165 if (!NSK_VERIFY((jvmti =
166 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
167 return JNI_ERR;
168
169 memset(&caps, 0, sizeof(caps));
170 caps.can_tag_objects = 1;
171 caps.can_generate_object_free_events = 1;
172 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps))) {
173 return JNI_ERR;
174 }
175
176 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
177 return JNI_ERR;
178
179 memset(&callbacks, 0, sizeof(callbacks));
180 callbacks.ObjectFree = &ObjectFree;
181 callbacks.VMDeath = &VMDeath;
182 if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks)))
183 return JNI_ERR;
184
185 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
186 jvmti, JVMTI_ENABLE, JVMTI_EVENT_OBJECT_FREE, NULL)))
187 return JNI_ERR;
188
189 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
190 jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL)))
191 return JNI_ERR;
192
193 return JNI_OK;
194 }
195
196 /* ========================================================================== */
197
198 }
|
71 NSK_DISPLAY0("Warning: no object free events\n");
72 }
73
74 if (nsk_jvmti_isFailStatus()) {
75 exit(NSK_STATUS_BASE + NSK_STATUS_FAILED);
76 }
77 }
78
79 /* ========================================================================== */
80
81 static int prepare(JNIEnv* jni) {
82 const char* CLASS_NAME = "nsk/jvmti/scenarios/multienv/MA04/ma04t003";
83 const char* FIELD_NAME = "testedObject1";
84 const char* FIELD_SIGNATURE = "Ljava/lang/Object;";
85 jclass cls = NULL;
86 jfieldID fid = NULL;
87
88 NSK_DISPLAY0("Obtain tested object from a static field of debugee class\n");
89
90 NSK_DISPLAY1("Find class: %s\n", CLASS_NAME);
91 if (!NSK_JNI_VERIFY(jni, (cls = jni->FindClass(CLASS_NAME)) != NULL))
92 return NSK_FALSE;
93
94 NSK_DISPLAY2("Find field: %s:%s\n", FIELD_NAME, FIELD_SIGNATURE);
95 if (!NSK_JNI_VERIFY(jni, (fid =
96 jni->GetStaticFieldID(cls, FIELD_NAME, FIELD_SIGNATURE)) != NULL))
97 return NSK_FALSE;
98
99 if (!NSK_JNI_VERIFY(jni, (testedObject = jni->GetStaticObjectField(cls, fid)) != NULL))
100 return NSK_FALSE;
101
102 if (!NSK_JNI_VERIFY(jni, (testedObject = jni->NewGlobalRef(testedObject)) != NULL))
103 return NSK_FALSE;
104
105 return NSK_TRUE;
106 }
107
108 /* ========================================================================== */
109
110 /** Agent algorithm. */
111 static void JNICALL
112 agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
113
114 if (!nsk_jvmti_waitForSync(timeout))
115 return;
116
117 if (!prepare(jni)) {
118 nsk_jvmti_setFailStatus();
119 return;
120 }
121
122 NSK_DISPLAY0("Set tag on testedObject\n");
123 if (!NSK_JVMTI_VERIFY(jvmti->SetTag(testedObject, SAMPLE_TAG))) {
124 nsk_jvmti_setFailStatus();
125 return;
126 }
127
128 NSK_TRACE(jni->DeleteGlobalRef(testedObject));
129
130 if (!nsk_jvmti_resumeSync())
131 return;
132 }
133
134 /* ========================================================================== */
135
136 /** Agent library initialization. */
137 #ifdef STATIC_BUILD
138 JNIEXPORT jint JNICALL Agent_OnLoad_ma04t003(JavaVM *jvm, char *options, void *reserved) {
139 return Agent_Initialize(jvm, options, reserved);
140 }
141 JNIEXPORT jint JNICALL Agent_OnAttach_ma04t003(JavaVM *jvm, char *options, void *reserved) {
142 return Agent_Initialize(jvm, options, reserved);
143 }
144 JNIEXPORT jint JNI_OnLoad_ma04t003(JavaVM *jvm, char *options, void *reserved) {
145 return JNI_VERSION_1_8;
146 }
147 #endif
148 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
149 jvmtiEnv* jvmti = NULL;
150 jvmtiEventCallbacks callbacks;
151 jvmtiCapabilities caps;
152
153 NSK_DISPLAY0("Agent_OnLoad\n");
154
155 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
156 return JNI_ERR;
157
158 timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
159
160 if (!NSK_VERIFY((jvmti =
161 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
162 return JNI_ERR;
163
164 memset(&caps, 0, sizeof(caps));
165 caps.can_tag_objects = 1;
166 caps.can_generate_object_free_events = 1;
167 if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(&caps))) {
168 return JNI_ERR;
169 }
170
171 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
172 return JNI_ERR;
173
174 memset(&callbacks, 0, sizeof(callbacks));
175 callbacks.ObjectFree = &ObjectFree;
176 callbacks.VMDeath = &VMDeath;
177 if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks)))
178 return JNI_ERR;
179
180 if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_OBJECT_FREE, NULL)))
181 return JNI_ERR;
182
183 if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL)))
184 return JNI_ERR;
185
186 return JNI_OK;
187 }
188
189 /* ========================================================================== */
190
191 }
|