1 /*
2 * Copyright (c) 2014, 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 /*
25 * @test
26 * @bug 6898462
27 * @summary failed reallocations of scalar replaced objects during deoptimization causes crash
28 * @run main/othervm -XX:-BackgroundCompilation -XX:CompileCommand=exclude,TestDeoptOOM::main -XX:CompileCommand=exclude,TestDeoptOOM::m9_1 -Xmx128M TestDeoptOOM
29 *
30 */
31
32 public class TestDeoptOOM {
33
34 long f1;
35 long f2;
36 long f3;
37 long f4;
38 long f5;
39
40 static class LinkedList {
41 LinkedList l;
42 long[] array;
43 LinkedList(LinkedList l, int size) {
44 array = new long[size];
45 this.l = l;
46 }
47 }
48
49 static LinkedList ll;
50
51 static void consume_all_memory() {
52 int size = 128 * 1024 * 1024;
53 while(size > 0) {
54 try {
55 while(true) {
56 ll = new LinkedList(ll, size);
57 }
58 } catch(OutOfMemoryError oom) {
59 }
60 size = size / 2;
61 }
62 }
63
64 static void free_memory() {
65 ll = null;
66 }
67
68 static TestDeoptOOM m1(boolean deopt) {
69 try {
70 TestDeoptOOM tdoom = new TestDeoptOOM();
71 if (deopt) {
72 return tdoom;
73 }
74 } catch(OutOfMemoryError oom) {
75 free_memory();
76 System.out.println("OOM caught in m1");
77 }
78 return null;
79 }
80
81 static TestDeoptOOM m2_1(boolean deopt) {
82 try {
83 TestDeoptOOM tdoom = new TestDeoptOOM();
84 if (deopt) {
85 return tdoom;
86 }
87 } catch(OutOfMemoryError oom) {
88 free_memory();
89 System.out.println("OOM caught in m2_1");
90 }
91 return null;
92 }
93
94 static TestDeoptOOM m2(boolean deopt) {
95 try {
96 return m2_1(deopt);
97 } catch(OutOfMemoryError oom) {
98 free_memory();
99 System.out.println("OOM caught in m2");
100 }
101 return null;
102 }
103
104 static TestDeoptOOM m3_3(boolean deopt) {
105 try {
106 TestDeoptOOM tdoom = new TestDeoptOOM();
107 if (deopt) {
108 return tdoom;
109 }
110 } catch(OutOfMemoryError oom) {
111 free_memory();
112 System.out.println("OOM caught in m3_3");
113 }
114 return null;
115 }
116
117 static boolean m3_2(boolean deopt) {
118 try {
119 return m3_3(deopt) != null;
120 } catch(OutOfMemoryError oom) {
121 free_memory();
122 System.out.println("OOM caught in m3_2");
123 }
124 return false;
125 }
126
127 static TestDeoptOOM m3_1(boolean deopt) {
128 try {
129 TestDeoptOOM tdoom = new TestDeoptOOM();
130 if (m3_2(deopt)) {
131 return tdoom;
132 }
133 } catch(OutOfMemoryError oom) {
134 free_memory();
135 System.out.println("OOM caught in m3_1");
136 }
137 return null;
138 }
139
140 static TestDeoptOOM m3(boolean deopt) {
141 try {
142 return m3_1(deopt);
143 } catch(OutOfMemoryError oom) {
144 free_memory();
145 System.out.println("OOM caught in m3");
146 }
147 return null;
148 }
149
150 static TestDeoptOOM m4(boolean deopt) {
151 try {
152 TestDeoptOOM tdoom = new TestDeoptOOM();
153 if (deopt) {
154 tdoom.f1 = 1l;
155 tdoom.f2 = 2l;
156 tdoom.f3 = 3l;
157 return tdoom;
158 }
159 } catch(OutOfMemoryError oom) {
160 free_memory();
161 System.out.println("OOM caught in m4");
162 }
163 return null;
164 }
165
166 static TestDeoptOOM m5(boolean deopt) {
167 try {
168 TestDeoptOOM tdoom = new TestDeoptOOM();
169 synchronized(tdoom) {
170 if (deopt) {
171 return tdoom;
172 }
173 }
174 } catch(OutOfMemoryError oom) {
175 free_memory();
176 System.out.println("OOM caught in m5");
177 }
178 return null;
179 }
180
181 synchronized TestDeoptOOM m6_1(boolean deopt) {
182 if (deopt) {
183 return this;
184 }
185 return null;
186 }
187
188 static TestDeoptOOM m6(boolean deopt) {
189 try {
190 TestDeoptOOM tdoom = new TestDeoptOOM();
191 return tdoom.m6_1(deopt);
192 } catch(OutOfMemoryError oom) {
193 free_memory();
194 System.out.println("OOM caught in m6");
195 }
196 return null;
197 }
198
199 static TestDeoptOOM m7_1(boolean deopt, Object lock) {
200 try {
201 synchronized(lock) {
202 TestDeoptOOM tdoom = new TestDeoptOOM();
203 if (deopt) {
204 return tdoom;
205 }
206 }
207 } catch(OutOfMemoryError oom) {
208 free_memory();
209 System.out.println("OOM caught in m7_1");
210 }
211 return null;
212 }
213
214 static TestDeoptOOM m7(boolean deopt, Object lock) {
215 try {
216 return m7_1(deopt, lock);
217 } catch(OutOfMemoryError oom) {
218 free_memory();
219 System.out.println("OOM caught in m7");
220 }
221 return null;
222 }
223
224 static class A {
225 long f1;
226 long f2;
227 long f3;
228 long f4;
229 long f5;
230 }
231
232 static class B {
233 long f1;
234 long f2;
235 long f3;
236 long f4;
237 long f5;
238
239 A a;
240 }
241
242 static B m8(boolean deopt) {
243 try {
244 A a = new A();
245 B b = new B();
246 b.a = a;
247 if (deopt) {
248 return b;
249 }
250 } catch(OutOfMemoryError oom) {
251 free_memory();
252 System.out.println("OOM caught in m8");
253 }
254 return null;
255 }
256
257 static void m9_1(int i) {
258 if (i > 90000) {
259 consume_all_memory();
260 }
261 }
262
263 static TestDeoptOOM m9() {
264 try {
265 for (int i = 0; i < 100000; i++) {
266 TestDeoptOOM tdoom = new TestDeoptOOM();
267 m9_1(i);
268 if (i > 90000) {
269 return tdoom;
270 }
271 }
272 } catch(OutOfMemoryError oom) {
273 free_memory();
274 System.out.println("OOM caught in m1");
275 }
276 return null;
277 }
278
279 public static void main(String[] args) {
280 for (int i = 0; i < 20000; i++) {
281 m1(false);
282 }
283
284 consume_all_memory();
285
286 try {
287 m1(true);
288 } catch(OutOfMemoryError oom) {
289 free_memory();
290 System.out.println("OOM caught in main " + oom.getMessage());
291 }
292
293 free_memory();
294
295 for (int i = 0; i < 20000; i++) {
296 m2(false);
297 }
298
299 consume_all_memory();
300
301 try {
302 m2(true);
303 } catch(OutOfMemoryError oom) {
304 free_memory();
305 System.out.println("OOM caught in main");
306 }
307
308 free_memory();
309
310 for (int i = 0; i < 20000; i++) {
311 m3(false);
312 }
313
314 consume_all_memory();
315
316 try {
317 m3(true);
318 } catch(OutOfMemoryError oom) {
319 free_memory();
320 System.out.println("OOM caught in main");
321 }
322
323 free_memory();
324
325 for (int i = 0; i < 20000; i++) {
326 m4(false);
327 }
328
329 consume_all_memory();
330
331 try {
332 m4(true);
333 } catch(OutOfMemoryError oom) {
334 free_memory();
335 System.out.println("OOM caught in main");
336 }
337
338 free_memory();
339
340 for (int i = 0; i < 20000; i++) {
341 m5(false);
342 }
343
344 consume_all_memory();
345
346 try {
347 m5(true);
348 } catch(OutOfMemoryError oom) {
349 free_memory();
350 System.out.println("OOM caught in main");
351 }
352
353 free_memory();
354
355 for (int i = 0; i < 20000; i++) {
356 m6(false);
357 }
358
359 consume_all_memory();
360
361 try {
362 m6(true);
363 } catch(OutOfMemoryError oom) {
364 free_memory();
365 System.out.println("OOM caught in main");
366 }
367
368 free_memory();
369
370 final Object lock = new Object();
371
372 for (int i = 0; i < 20000; i++) {
373 m7(false, lock);
374 }
375
376 consume_all_memory();
377
378 try {
379 m7(true, lock);
380 } catch(OutOfMemoryError oom) {
381 free_memory();
382 System.out.println("OOM caught in main");
383 }
384
385 free_memory();
386
387 Thread thread = new Thread() {
388 public void run() {
389 System.out.println("Acquiring lock");
390 synchronized(lock) {
391 System.out.println("Lock acquired");
392 }
393 System.out.println("Lock released");
394 }
395 };
396 thread.start();
397 try {
398 thread.join();
399 } catch(InterruptedException ie) {
400 }
401
402 for (int i = 0; i < 20000; i++) {
403 m8(false);
404 }
405
406 consume_all_memory();
407
408 try {
409 m8(true);
410 } catch(OutOfMemoryError oom) {
411 free_memory();
412 System.out.println("OOM caught in main");
413 }
414
415 free_memory();
416
417 try {
418 m9();
419 } catch(OutOfMemoryError oom) {
420 free_memory();
421 System.out.println("OOM caught in main");
422 }
423
424 free_memory();
425 }
426 }