Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/win32/Win32Address.java @ 650:54782a4cd321
6812971: SA: re-attaching to process fails
Summary: After attaching, de-attaching SA from a process, the second time attach() call fails. This happens because in VM.initialize(), Universe does not get re-initialized before it is accessed.
Reviewed-by: swamyv
author | poonam |
---|---|
date | Sun, 15 Mar 2009 18:11:46 -0700 |
parents | d1605aabd0a1 |
children | c18cbe5936b8 |
rev | line source |
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0 | 1 /* |
196 | 2 * Copyright 2000-2008 Sun Microsystems, Inc. All Rights Reserved. |
0 | 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 package sun.jvm.hotspot.debugger.win32; | |
26 | |
27 import sun.jvm.hotspot.debugger.*; | |
28 | |
29 class Win32Address implements Address { | |
30 protected Win32Debugger debugger; | |
31 protected long addr; | |
32 | |
33 Win32Address(Win32Debugger debugger, long addr) { | |
34 this.debugger = debugger; | |
35 this.addr = addr; | |
36 } | |
37 | |
38 // | |
39 // Basic Java routines | |
40 // | |
41 | |
42 public boolean equals(Object arg) { | |
43 if (arg == null) { | |
44 return false; | |
45 } | |
46 | |
47 if (!(arg instanceof Win32Address)) { | |
48 return false; | |
49 } | |
50 | |
51 return (addr == ((Win32Address) arg).addr); | |
52 } | |
53 | |
54 public int hashCode() { | |
55 // FIXME: suggestions on a better hash code? | |
56 return (int) addr; | |
57 } | |
58 | |
59 public String toString() { | |
60 return debugger.addressValueToString(addr); | |
61 } | |
62 | |
63 // | |
64 // C/C++-related routines | |
65 // | |
66 | |
67 public long getCIntegerAt(long offset, long numBytes, boolean isUnsigned) throws UnalignedAddressException, UnmappedAddressException { | |
68 return debugger.readCInteger(addr + offset, numBytes, isUnsigned); | |
69 } | |
70 | |
71 public Address getAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
72 return debugger.readAddress(addr + offset); | |
73 } | |
74 | |
113
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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75 public Address getCompOopAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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76 return debugger.readCompOopAddress(addr + offset); |
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77 } |
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78 |
0 | 79 // |
80 // Java-related routines | |
81 // | |
82 | |
83 public boolean getJBooleanAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
84 return debugger.readJBoolean(addr + offset); | |
85 } | |
86 | |
87 public byte getJByteAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
88 return debugger.readJByte(addr + offset); | |
89 } | |
90 | |
91 public char getJCharAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
92 return debugger.readJChar(addr + offset); | |
93 } | |
94 | |
95 public double getJDoubleAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
96 return debugger.readJDouble(addr + offset); | |
97 } | |
98 | |
99 public float getJFloatAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
100 return debugger.readJFloat(addr + offset); | |
101 } | |
102 | |
103 public int getJIntAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
104 return debugger.readJInt(addr + offset); | |
105 } | |
106 | |
107 public long getJLongAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
108 return debugger.readJLong(addr + offset); | |
109 } | |
110 | |
111 public short getJShortAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
112 return debugger.readJShort(addr + offset); | |
113 } | |
114 | |
115 public OopHandle getOopHandleAt(long offset) | |
116 throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { | |
117 return debugger.readOopHandle(addr + offset); | |
118 } | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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119 public OopHandle getCompOopHandleAt(long offset) |
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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120 throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { |
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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121 return debugger.readCompOopHandle(addr + offset); |
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122 } |
0 | 123 |
124 // | |
125 // C/C++-related mutators | |
126 // | |
127 | |
128 public void setCIntegerAt(long offset, long numBytes, long value) { | |
129 debugger.writeCInteger(addr + offset, numBytes, value); | |
130 } | |
131 public void setAddressAt(long offset, Address value) { | |
132 debugger.writeAddress(addr + offset, (Win32Address) value); | |
133 } | |
134 | |
135 // | |
136 // Java-related mutators | |
137 // | |
138 | |
139 public void setJBooleanAt (long offset, boolean value) | |
140 throws UnmappedAddressException, UnalignedAddressException { | |
141 debugger.writeJBoolean(addr + offset, value); | |
142 } | |
143 public void setJByteAt (long offset, byte value) | |
144 throws UnmappedAddressException, UnalignedAddressException { | |
145 debugger.writeJByte(addr + offset, value); | |
146 } | |
147 public void setJCharAt (long offset, char value) | |
148 throws UnmappedAddressException, UnalignedAddressException { | |
149 debugger.writeJChar(addr + offset, value); | |
150 } | |
151 public void setJDoubleAt (long offset, double value) | |
152 throws UnmappedAddressException, UnalignedAddressException { | |
153 debugger.writeJDouble(addr + offset, value); | |
154 } | |
155 public void setJFloatAt (long offset, float value) | |
156 throws UnmappedAddressException, UnalignedAddressException { | |
157 debugger.writeJFloat(addr + offset, value); | |
158 } | |
159 public void setJIntAt (long offset, int value) | |
160 throws UnmappedAddressException, UnalignedAddressException { | |
161 debugger.writeJInt(addr + offset, value); | |
162 } | |
163 public void setJLongAt (long offset, long value) | |
164 throws UnmappedAddressException, UnalignedAddressException { | |
165 debugger.writeJLong(addr + offset, value); | |
166 } | |
167 public void setJShortAt (long offset, short value) | |
168 throws UnmappedAddressException, UnalignedAddressException { | |
169 debugger.writeJShort(addr + offset, value); | |
170 } | |
171 public void setOopHandleAt (long offset, OopHandle value) | |
172 throws UnmappedAddressException, UnalignedAddressException { | |
173 debugger.writeOopHandle(addr + offset, (Win32OopHandle) value); | |
174 } | |
175 | |
176 // | |
177 // Arithmetic operations -- necessary evil. | |
178 // | |
179 | |
180 public Address addOffsetTo (long offset) throws UnsupportedOperationException { | |
181 long value = addr + offset; | |
182 if (value == 0) { | |
183 return null; | |
184 } | |
185 return new Win32Address(debugger, value); | |
186 } | |
187 | |
188 public OopHandle addOffsetToAsOopHandle(long offset) throws UnsupportedOperationException { | |
189 long value = addr + offset; | |
190 if (value == 0) { | |
191 return null; | |
192 } | |
193 return new Win32OopHandle(debugger, value); | |
194 } | |
195 | |
196 /** (FIXME: any signed/unsigned issues? Should this work for | |
197 OopHandles?) */ | |
198 public long minus(Address arg) { | |
199 if (arg == null) { | |
200 return addr; | |
201 } | |
202 return addr - ((Win32Address) arg).addr; | |
203 } | |
204 | |
205 // Two's complement representation. | |
206 // All negative numbers are larger than positive numbers. | |
207 // Numbers with the same sign can be compared normally. | |
208 // Test harness is below in main(). | |
209 | |
210 public boolean lessThan (Address a) { | |
211 if (a == null) { | |
212 return false; | |
213 } | |
214 Win32Address arg = (Win32Address) a; | |
215 if ((addr >= 0) && (arg.addr < 0)) { | |
216 return true; | |
217 } | |
218 if ((addr < 0) && (arg.addr >= 0)) { | |
219 return false; | |
220 } | |
221 return (addr < arg.addr); | |
222 } | |
223 | |
224 public boolean lessThanOrEqual (Address a) { | |
225 if (a == null) { | |
226 return false; | |
227 } | |
228 Win32Address arg = (Win32Address) a; | |
229 if ((addr >= 0) && (arg.addr < 0)) { | |
230 return true; | |
231 } | |
232 if ((addr < 0) && (arg.addr >= 0)) { | |
233 return false; | |
234 } | |
235 return (addr <= arg.addr); | |
236 } | |
237 | |
238 public boolean greaterThan (Address a) { | |
239 if (a == null) { | |
240 return true; | |
241 } | |
242 Win32Address arg = (Win32Address) a; | |
243 if ((addr >= 0) && (arg.addr < 0)) { | |
244 return false; | |
245 } | |
246 if ((addr < 0) && (arg.addr >= 0)) { | |
247 return true; | |
248 } | |
249 return (addr > arg.addr); | |
250 } | |
251 | |
252 public boolean greaterThanOrEqual(Address a) { | |
253 if (a == null) { | |
254 return true; | |
255 } | |
256 Win32Address arg = (Win32Address) a; | |
257 if ((addr >= 0) && (arg.addr < 0)) { | |
258 return false; | |
259 } | |
260 if ((addr < 0) && (arg.addr >= 0)) { | |
261 return true; | |
262 } | |
263 return (addr >= arg.addr); | |
264 } | |
265 | |
266 public Address andWithMask(long mask) throws UnsupportedOperationException { | |
267 long value = addr & mask; | |
268 if (value == 0) { | |
269 return null; | |
270 } | |
271 return new Win32Address(debugger, value); | |
272 } | |
273 | |
274 public Address orWithMask(long mask) throws UnsupportedOperationException { | |
275 long value = addr | mask; | |
276 if (value == 0) { | |
277 return null; | |
278 } | |
279 return new Win32Address(debugger, value); | |
280 } | |
281 | |
282 public Address xorWithMask(long mask) throws UnsupportedOperationException { | |
283 long value = addr ^ mask; | |
284 if (value == 0) { | |
285 return null; | |
286 } | |
287 return new Win32Address(debugger, value); | |
288 } | |
289 | |
290 | |
291 //-------------------------------------------------------------------------------- | |
292 // Internals only below this point | |
293 // | |
294 | |
295 long getValue() { | |
296 return addr; | |
297 } | |
298 | |
299 | |
300 private static void check(boolean arg, String failMessage) { | |
301 if (!arg) { | |
302 System.err.println(failMessage + ": FAILED"); | |
303 System.exit(1); | |
304 } | |
305 } | |
306 | |
307 // Test harness | |
308 public static void main(String[] args) { | |
309 // p/n indicates whether the interior address is really positive | |
310 // or negative. In unsigned terms, p1 < p2 < n1 < n2. | |
311 | |
312 Win32Address p1 = new Win32Address(null, 0x7FFFFFFFFFFFFFF0L); | |
313 Win32Address p2 = (Win32Address) p1.addOffsetTo(10); | |
314 Win32Address n1 = (Win32Address) p2.addOffsetTo(10); | |
315 Win32Address n2 = (Win32Address) n1.addOffsetTo(10); | |
316 | |
317 // lessThan positive tests | |
318 check(p1.lessThan(p2), "lessThan 1"); | |
319 check(p1.lessThan(n1), "lessThan 2"); | |
320 check(p1.lessThan(n2), "lessThan 3"); | |
321 check(p2.lessThan(n1), "lessThan 4"); | |
322 check(p2.lessThan(n2), "lessThan 5"); | |
323 check(n1.lessThan(n2), "lessThan 6"); | |
324 | |
325 // lessThan negative tests | |
326 check(!p1.lessThan(p1), "lessThan 7"); | |
327 check(!p2.lessThan(p2), "lessThan 8"); | |
328 check(!n1.lessThan(n1), "lessThan 9"); | |
329 check(!n2.lessThan(n2), "lessThan 10"); | |
330 | |
331 check(!p2.lessThan(p1), "lessThan 11"); | |
332 check(!n1.lessThan(p1), "lessThan 12"); | |
333 check(!n2.lessThan(p1), "lessThan 13"); | |
334 check(!n1.lessThan(p2), "lessThan 14"); | |
335 check(!n2.lessThan(p2), "lessThan 15"); | |
336 check(!n2.lessThan(n1), "lessThan 16"); | |
337 | |
338 // lessThanOrEqual positive tests | |
339 check(p1.lessThanOrEqual(p1), "lessThanOrEqual 1"); | |
340 check(p2.lessThanOrEqual(p2), "lessThanOrEqual 2"); | |
341 check(n1.lessThanOrEqual(n1), "lessThanOrEqual 3"); | |
342 check(n2.lessThanOrEqual(n2), "lessThanOrEqual 4"); | |
343 | |
344 check(p1.lessThanOrEqual(p2), "lessThanOrEqual 5"); | |
345 check(p1.lessThanOrEqual(n1), "lessThanOrEqual 6"); | |
346 check(p1.lessThanOrEqual(n2), "lessThanOrEqual 7"); | |
347 check(p2.lessThanOrEqual(n1), "lessThanOrEqual 8"); | |
348 check(p2.lessThanOrEqual(n2), "lessThanOrEqual 9"); | |
349 check(n1.lessThanOrEqual(n2), "lessThanOrEqual 10"); | |
350 | |
351 // lessThanOrEqual negative tests | |
352 check(!p2.lessThanOrEqual(p1), "lessThanOrEqual 11"); | |
353 check(!n1.lessThanOrEqual(p1), "lessThanOrEqual 12"); | |
354 check(!n2.lessThanOrEqual(p1), "lessThanOrEqual 13"); | |
355 check(!n1.lessThanOrEqual(p2), "lessThanOrEqual 14"); | |
356 check(!n2.lessThanOrEqual(p2), "lessThanOrEqual 15"); | |
357 check(!n2.lessThanOrEqual(n1), "lessThanOrEqual 16"); | |
358 | |
359 // greaterThan positive tests | |
360 check(n2.greaterThan(p1), "greaterThan 1"); | |
361 check(n2.greaterThan(p2), "greaterThan 2"); | |
362 check(n2.greaterThan(n1), "greaterThan 3"); | |
363 check(n1.greaterThan(p1), "greaterThan 4"); | |
364 check(n1.greaterThan(p2), "greaterThan 5"); | |
365 check(p2.greaterThan(p1), "greaterThan 6"); | |
366 | |
367 // greaterThan negative tests | |
368 check(!p1.greaterThan(p1), "greaterThan 7"); | |
369 check(!p2.greaterThan(p2), "greaterThan 8"); | |
370 check(!n1.greaterThan(n1), "greaterThan 9"); | |
371 check(!n2.greaterThan(n2), "greaterThan 10"); | |
372 | |
373 check(!p1.greaterThan(n2), "greaterThan 11"); | |
374 check(!p2.greaterThan(n2), "greaterThan 12"); | |
375 check(!n1.greaterThan(n2), "greaterThan 13"); | |
376 check(!p1.greaterThan(n1), "greaterThan 14"); | |
377 check(!p2.greaterThan(n1), "greaterThan 15"); | |
378 check(!p1.greaterThan(p2), "greaterThan 16"); | |
379 | |
380 // greaterThanOrEqual positive tests | |
381 check(p1.greaterThanOrEqual(p1), "greaterThanOrEqual 1"); | |
382 check(p2.greaterThanOrEqual(p2), "greaterThanOrEqual 2"); | |
383 check(n1.greaterThanOrEqual(n1), "greaterThanOrEqual 3"); | |
384 check(n2.greaterThanOrEqual(n2), "greaterThanOrEqual 4"); | |
385 | |
386 check(n2.greaterThanOrEqual(p1), "greaterThanOrEqual 5"); | |
387 check(n2.greaterThanOrEqual(p2), "greaterThanOrEqual 6"); | |
388 check(n2.greaterThanOrEqual(n1), "greaterThanOrEqual 7"); | |
389 check(n1.greaterThanOrEqual(p1), "greaterThanOrEqual 8"); | |
390 check(n1.greaterThanOrEqual(p2), "greaterThanOrEqual 9"); | |
391 check(p2.greaterThanOrEqual(p1), "greaterThanOrEqual 10"); | |
392 | |
393 // greaterThanOrEqual negative tests | |
394 check(!p1.greaterThanOrEqual(n2), "greaterThanOrEqual 11"); | |
395 check(!p2.greaterThanOrEqual(n2), "greaterThanOrEqual 12"); | |
396 check(!n1.greaterThanOrEqual(n2), "greaterThanOrEqual 13"); | |
397 check(!p1.greaterThanOrEqual(n1), "greaterThanOrEqual 14"); | |
398 check(!p2.greaterThanOrEqual(n1), "greaterThanOrEqual 15"); | |
399 check(!p1.greaterThanOrEqual(p2), "greaterThanOrEqual 16"); | |
400 | |
401 System.err.println("Win32Address: all tests passed successfully."); | |
402 } | |
403 } |