rev 52100 : 8212082: Remove the NSK_CPP_STUB macros for remaining vmTestbase/jvmti/[sS]*
Summary:
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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 <string.h>
25 #include "jvmti.h"
26 #include "agent_common.h"
27 #include "jni_tools.h"
28 #include "jvmti_tools.h"
29
30 extern "C" {
31
32 /* ============================================================================= */
33
34 /* scaffold objects */
35 static JNIEnv* jni = NULL;
36 static jvmtiEnv *jvmti = NULL;
37 static jlong timeout = 0;
38
39 /* constants */
40 #define THREADS_COUNT 6
41 #define MAX_NAME_LENGTH 100
42 #define MAX_STACK_SIZE 100
43
44 /* thread description structure */
45 typedef struct {
46 char threadName[MAX_NAME_LENGTH];
47 char methodName[MAX_NAME_LENGTH];
48 char methodSig[MAX_NAME_LENGTH];
49 jthread thread;
50 jclass cls;
51 jmethodID method;
52 jlocation location;
53 } ThreadDesc;
54
55 /* descriptions of tested threads */
56 static ThreadDesc threadsDesc[THREADS_COUNT] = {
57 {"threadRunning", "testedMethod", "()V", NULL, NULL, NULL, NSK_JVMTI_INVALID_JLOCATION},
58 {"threadEntering", "testedMethod", "()V", NULL, NULL, NULL, NSK_JVMTI_INVALID_JLOCATION},
59 {"threadWaiting", "testedMethod", "()V", NULL, NULL, NULL, NSK_JVMTI_INVALID_JLOCATION},
60 {"threadSleeping", "testedMethod", "()V", NULL, NULL, NULL, NSK_JVMTI_INVALID_JLOCATION},
61 {"threadRunningInterrupted", "testedMethod", "()V", NULL, NULL, NULL, NSK_JVMTI_INVALID_JLOCATION},
62 {"threadRunningNative", "testedMethod", "()V", NULL, NULL, NULL, NSK_JVMTI_INVALID_JLOCATION}
63 };
64
65 /* indexes of known threads */
66 static const int interruptedThreadIndex = THREADS_COUNT - 2;
67 static const int nativeThreadIndex = THREADS_COUNT - 1;
68
69 /* ============================================================================= */
70
71 /* testcase(s) */
72 static int prepare();
73 static int checkThreads(int suspended, const char* kind);
74 static int suspendThreadsIndividually(int suspend);
75 static int clean();
76
77 /* ============================================================================= */
78
79 /** Agent algorithm. */
80 static void JNICALL
81 agentProc(jvmtiEnv* jvmti, JNIEnv* agentJNI, void* arg) {
82 jni = agentJNI;
83
84 /* wait for initial sync */
85 if (!nsk_jvmti_waitForSync(timeout))
86 return;
87
88 /* perform testcase(s) */
89 {
90 /* prepare data: find threads */
91 NSK_DISPLAY0("Prepare data\n");
92 if (!prepare()) {
93 nsk_jvmti_setFailStatus();
94 return;
95 }
96
97 /* testcase #1: check not suspended threads */
98 NSK_DISPLAY0("Testcase #1: check stack frames of not suspended threads\n");
99 if (!checkThreads(NSK_FALSE, "not suspended"))
100 return;
101
102 /* suspend threads */
103 NSK_DISPLAY0("Suspend each thread\n");
104 if (!suspendThreadsIndividually(NSK_TRUE))
105 return;
106
107 /* testcase #2: check suspended threads */
108 NSK_DISPLAY0("Testcase #2: check stack frames of suspended threads\n");
109 if (!checkThreads(NSK_TRUE, "suspended"))
110 return;
111
112 /* resume threads */
113 NSK_DISPLAY0("Resume each thread\n");
114 if (!suspendThreadsIndividually(NSK_FALSE))
115 return;
116
117 /* testcase #3: check resumed threads */
118 NSK_DISPLAY0("Testcase #3: check stack frames of resumed threads\n");
119 if (!checkThreads(NSK_FALSE, "resumed"))
120 return;
121
122 /* clean date: delete threads references */
123 NSK_DISPLAY0("Clean data\n");
124 if (!clean()) {
125 nsk_jvmti_setFailStatus();
126 return;
127 }
128 }
129
130 /* resume debugee after last sync */
131 if (!nsk_jvmti_resumeSync())
132 return;
133 }
134
135 /* ============================================================================= */
136
137 /**
138 * Prepare data:
139 * - clean threads list
140 * - get all live threads
141 * - get threads name
142 * - find tested threads
143 * - make global refs
144 */
145 static int prepare() {
146 jthread *allThreadsList = NULL;
147 jint allThreadsCount = 0;
148 int found = 0;
149 int i;
150
151 NSK_DISPLAY1("Find tested threads: %d\n", THREADS_COUNT);
152
153 /* clean threads list */
154 for (i = 0; i < THREADS_COUNT; i++) {
155 threadsDesc[i].thread = (jthread)NULL;
156 threadsDesc[i].method = (jmethodID)NULL;
157 threadsDesc[i].location = NSK_JVMTI_INVALID_JLOCATION;
158 }
159
160 /* get all live threads */
161 if (!NSK_JVMTI_VERIFY(
162 NSK_CPP_STUB3(GetAllThreads, jvmti, &allThreadsCount, &allThreadsList)))
163 return NSK_FALSE;
164
165 if (!NSK_VERIFY(allThreadsCount > 0 && allThreadsList != NULL))
166 return NSK_FALSE;
167
168 /* find tested threads */
169 for (i = 0; i < allThreadsCount; i++) {
170 jvmtiThreadInfo threadInfo;
171
172 if (!NSK_VERIFY(allThreadsList[i] != NULL))
173 return NSK_FALSE;
174
175 /* get thread name (info) */
176 if (!NSK_JVMTI_VERIFY(
177 NSK_CPP_STUB3(GetThreadInfo, jvmti, allThreadsList[i], &threadInfo)))
178 return NSK_FALSE;
179
180 /* find by name */
181 if (threadInfo.name != NULL) {
182 int j;
183
184 for (j = 0; j < THREADS_COUNT; j++) {
185 if (strcmp(threadInfo.name, threadsDesc[j].threadName) == 0) {
186 threadsDesc[j].thread = allThreadsList[i];
187 NSK_DISPLAY3(" thread #%d (%s): %p\n",
188 j, threadInfo.name, (void*)threadsDesc[j].thread);
189 }
190 }
191 }
192 }
193
194 /* deallocate all threads list */
195 if (!NSK_JVMTI_VERIFY(
196 NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)allThreadsList)))
197 return NSK_FALSE;
198
199 /* check if all tested threads found */
200 found = 0;
201 for (i = 0; i < THREADS_COUNT; i++) {
202 if (threadsDesc[i].thread == NULL) {
203 NSK_COMPLAIN2("Not found tested thread #%d (%s)\n", i, threadsDesc[i].threadName);
204 } else {
205 found++;
206 }
207 }
208
209 if (found < THREADS_COUNT)
210 return NSK_FALSE;
211
212 /* get threads class and frame method */
213 NSK_DISPLAY0("Find tested methods:\n");
214 for (i = 0; i < THREADS_COUNT; i++) {
215 /* get thread class */
216 if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].cls =
217 NSK_CPP_STUB2(GetObjectClass, jni, threadsDesc[i].thread)) != NULL))
218 return NSK_FALSE;
219 /* get frame method */
220 if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].method =
221 NSK_CPP_STUB4(GetMethodID, jni, threadsDesc[i].cls,
222 threadsDesc[i].methodName, threadsDesc[i].methodSig)) != NULL))
223 return NSK_FALSE;
224
225 NSK_DISPLAY4(" thread #%d (%s): %p (%s)\n",
226 i, threadsDesc[i].threadName,
227 (void*)threadsDesc[i].method,
228 threadsDesc[i].methodName);
229 }
230
231 /* make global refs */
232 for (i = 0; i < THREADS_COUNT; i++) {
233 if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].thread = (jthread)
234 NSK_CPP_STUB2(NewGlobalRef, jni, threadsDesc[i].thread)) != NULL))
235 return NSK_FALSE;
236 if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].cls = (jclass)
237 NSK_CPP_STUB2(NewGlobalRef, jni, threadsDesc[i].cls)) != NULL))
238 return NSK_FALSE;
239 }
240
241 return NSK_TRUE;
242 }
243
244 /**
245 * Suspend or resume tested threads.
246 */
247 static int suspendThreadsIndividually(int suspend) {
248 int i;
249
250 for (i = 0; i < THREADS_COUNT; i++) {
251 if (suspend) {
252 NSK_DISPLAY2(" suspend thread #%d (%s)\n", i, threadsDesc[i].threadName);
253 if (!NSK_JVMTI_VERIFY(
254 NSK_CPP_STUB2(SuspendThread, jvmti, threadsDesc[i].thread)))
255 nsk_jvmti_setFailStatus();
256 } else {
257 NSK_DISPLAY2(" resume thread #%d (%s)\n", i, threadsDesc[i].threadName);
258 if (!NSK_JVMTI_VERIFY(
259 NSK_CPP_STUB2(ResumeThread, jvmti, threadsDesc[i].thread)))
260 nsk_jvmti_setFailStatus();
261 }
262 }
263 return NSK_TRUE;
264 }
265
266 /**
267 * Testcase: check tested threads
268 * - call GetFrameCount() and getStackTrace()
269 * - for suspended thread compare number of stack frames returned
270 * - find stack frames with expected methodID
271 *
272 * Returns NSK_TRUE if test may continue; or NSK_FALSE for test break.
273 */
274 static int checkThreads(int suspended, const char* kind) {
275 int i;
276
277 /* check each thread */
278 for (i = 0; i < THREADS_COUNT; i++) {
279 jint frameCount = 0;
280 jint frameStackSize = 0;
281 jvmtiFrameInfo frameStack[MAX_STACK_SIZE];
282 int found = 0;
283 int j;
284
285 NSK_DISPLAY2(" thread #%d (%s):\n", i, threadsDesc[i].threadName);
286
287 /* get frame count */
288 if (!NSK_JVMTI_VERIFY(
289 NSK_CPP_STUB3(GetFrameCount, jvmti,
290 threadsDesc[i].thread, &frameCount))) {
291 nsk_jvmti_setFailStatus();
292 return NSK_TRUE;
293 }
294
295 NSK_DISPLAY1(" frameCount: %d\n", (int)frameCount);
296
297 /* get stack trace */
298 if (!NSK_JVMTI_VERIFY(
299 NSK_CPP_STUB6(GetStackTrace, jvmti, threadsDesc[i].thread,
300 0, MAX_STACK_SIZE, frameStack, &frameStackSize))) {
301 nsk_jvmti_setFailStatus();
302 return NSK_TRUE;
303 }
304
305 NSK_DISPLAY1(" stack depth: %d\n", (int)frameStackSize);
306
307 /* Only check for suspended threads: running threads might have different
308 frames between stack grabbing calls. */
309 if (suspended && (frameStackSize != frameCount)) {
310 NSK_COMPLAIN5("Different frames count for %s thread #%d (%s):\n"
311 "# getStackTrace(): %d\n"
312 "# getFrameCount(): %d\n",
313 kind, i, threadsDesc[i].threadName,
314 (int)frameStackSize, (int)frameCount);
315 nsk_jvmti_setFailStatus();
316 }
317
318 /* find method on the stack */
319 found = 0;
320 for (j = 0; j < frameStackSize; j++) {
321 NSK_DISPLAY3(" %d: methodID: %p, location: %ld\n",
322 j, (void*)frameStack[j].method,
323 (long)frameStack[j].location);
324 /* check frame method */
325 if (frameStack[j].method == NULL) {
326 NSK_COMPLAIN3("NULL methodID in stack for %s thread #%d (%s)\n",
327 kind, i, threadsDesc[i].threadName);
328 nsk_jvmti_setFailStatus();
329 } else if (frameStack[j].method == threadsDesc[i].method) {
330 found++;
331 NSK_DISPLAY1(" found expected method: %s\n",
332 (void*)threadsDesc[i].methodName);
333 }
334 }
335
336 /* check if expected method found */
337 if (found != 1) {
338 NSK_COMPLAIN5("Unexpected method frames on stack for %s thread #%d (%s):\n"
339 "# found frames: %d\n"
340 "# expected: %d\n",
341 kind, i, threadsDesc[i].threadName,
342 found, 1);
343 nsk_jvmti_setFailStatus();
344 }
345 }
346
347 /* test may continue */
348 return NSK_TRUE;
349 }
350
351 /**
352 * Clean data:
353 * - dispose global references to tested threads
354 */
355 static int clean() {
356 int i;
357
358 /* dispose global references to threads */
359 for (i = 0; i < THREADS_COUNT; i++) {
360 NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsDesc[i].thread));
361 NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsDesc[i].cls));
362 }
363
364 return NSK_TRUE;
365 }
366
367 /* ============================================================================= */
368
369 static volatile int testedThreadRunning = NSK_FALSE;
370 static volatile int testedThreadShouldFinish = NSK_FALSE;
371
372 /** Native running method in tested thread. */
373 JNIEXPORT void JNICALL
374 Java_nsk_jvmti_scenarios_sampling_SP02_sp02t002ThreadRunningNative_testedMethod(JNIEnv* jni,
375 jobject obj) {
376 volatile int i = 0, n = 1000;
377
378 /* run in a loop */
379 testedThreadRunning = NSK_TRUE;
380 while (!testedThreadShouldFinish) {
381 if (n <= 0)
382 n = 1000;
383 if (i >= n)
384 i = 0;
385 i++;
386 }
387 testedThreadRunning = NSK_FALSE;
388 }
389
390 /** Wait for native method is running. */
391 JNIEXPORT jboolean JNICALL
392 Java_nsk_jvmti_scenarios_sampling_SP02_sp02t002ThreadRunningNative_checkReady(JNIEnv* jni,
393 jobject obj) {
394 while (!testedThreadRunning) {
395 nsk_jvmti_sleep(1000);
396 }
397 return testedThreadRunning ? JNI_TRUE : JNI_FALSE;
398 }
399
400 /** Let native method to finish. */
401 JNIEXPORT void JNICALL
402 Java_nsk_jvmti_scenarios_sampling_SP02_sp02t002ThreadRunningNative_letFinish(JNIEnv* jni,
403 jobject obj) {
404 testedThreadShouldFinish = NSK_TRUE;
405 }
406
407 /* ============================================================================= */
408
409 /** Agent library initialization. */
410 #ifdef STATIC_BUILD
411 JNIEXPORT jint JNICALL Agent_OnLoad_sp02t002(JavaVM *jvm, char *options, void *reserved) {
412 return Agent_Initialize(jvm, options, reserved);
413 }
414 JNIEXPORT jint JNICALL Agent_OnAttach_sp02t002(JavaVM *jvm, char *options, void *reserved) {
415 return Agent_Initialize(jvm, options, reserved);
416 }
417 JNIEXPORT jint JNI_OnLoad_sp02t002(JavaVM *jvm, char *options, void *reserved) {
418 return JNI_VERSION_1_8;
419 }
420 #endif
421 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
422
423 /* init framework and parse options */
424 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
425 return JNI_ERR;
426
427 timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
428
429 /* create JVMTI environment */
430 if (!NSK_VERIFY((jvmti =
431 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
432 return JNI_ERR;
433
434 /* add specific capabilities for suspending thread */
435 {
436 jvmtiCapabilities suspendCaps;
437 memset(&suspendCaps, 0, sizeof(suspendCaps));
438 suspendCaps.can_suspend = 1;
439 if (!NSK_JVMTI_VERIFY(
440 NSK_CPP_STUB2(AddCapabilities, jvmti, &suspendCaps)))
441 return JNI_ERR;
442 }
443
444 /* register agent proc and arg */
445 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
446 return JNI_ERR;
447
448 return JNI_OK;
449 }
450
451 /* ============================================================================= */
452
453 }
--- EOF ---