Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/WindbgAddress.java @ 6848:8e47bac5643a
7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti
author | roland |
---|---|
date | Tue, 09 Oct 2012 10:11:38 +0200 |
parents | c18cbe5936b8 |
children |
rev | line source |
---|---|
0 | 1 /* |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
2 * Copyright (c) 2002, 2008, Oracle and/or its affiliates. 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.debugger.windbg; | |
26 | |
27 import sun.jvm.hotspot.debugger.*; | |
28 | |
29 class WindbgAddress implements Address { | |
30 protected WindbgDebugger debugger; | |
31 protected long addr; | |
32 | |
33 WindbgAddress(WindbgDebugger 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 WindbgAddress)) { | |
48 return false; | |
49 } | |
50 | |
51 return (addr == ((WindbgAddress) 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
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
75 public Address getCompOopAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
76 return debugger.readCompOopAddress(addr + offset); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
77 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
78 |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
1552
diff
changeset
|
79 public Address getCompKlassAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
1552
diff
changeset
|
80 return debugger.readCompKlassAddress(addr + offset); |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
1552
diff
changeset
|
81 } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
1552
diff
changeset
|
82 |
0 | 83 // |
84 // Java-related routines | |
85 // | |
86 | |
87 public boolean getJBooleanAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
88 return debugger.readJBoolean(addr + offset); | |
89 } | |
90 | |
91 public byte getJByteAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
92 return debugger.readJByte(addr + offset); | |
93 } | |
94 | |
95 public char getJCharAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
96 return debugger.readJChar(addr + offset); | |
97 } | |
98 | |
99 public double getJDoubleAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
100 return debugger.readJDouble(addr + offset); | |
101 } | |
102 | |
103 public float getJFloatAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
104 return debugger.readJFloat(addr + offset); | |
105 } | |
106 | |
107 public int getJIntAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
108 return debugger.readJInt(addr + offset); | |
109 } | |
110 | |
111 public long getJLongAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
112 return debugger.readJLong(addr + offset); | |
113 } | |
114 | |
115 public short getJShortAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
116 return debugger.readJShort(addr + offset); | |
117 } | |
118 | |
119 public OopHandle getOopHandleAt(long offset) | |
120 throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { | |
121 return debugger.readOopHandle(addr + offset); | |
122 } | |
123 | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
124 public OopHandle getCompOopHandleAt(long offset) |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
125 throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
126 return debugger.readCompOopHandle(addr + offset); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
127 } |
0 | 128 // |
129 // C/C++-related mutators | |
130 // | |
131 | |
132 public void setCIntegerAt(long offset, long numBytes, long value) { | |
133 throw new DebuggerException("Unimplemented"); | |
134 } | |
135 public void setAddressAt(long offset, Address value) { | |
136 throw new DebuggerException("Unimplemented"); | |
137 } | |
138 | |
139 // | |
140 // Java-related mutators | |
141 // | |
142 | |
143 // Mutators -- not implemented for now (FIXME) | |
144 public void setJBooleanAt (long offset, boolean value) | |
145 throws UnmappedAddressException, UnalignedAddressException { | |
146 throw new DebuggerException("Unimplemented"); | |
147 } | |
148 public void setJByteAt (long offset, byte value) | |
149 throws UnmappedAddressException, UnalignedAddressException { | |
150 throw new DebuggerException("Unimplemented"); | |
151 } | |
152 public void setJCharAt (long offset, char value) | |
153 throws UnmappedAddressException, UnalignedAddressException { | |
154 throw new DebuggerException("Unimplemented"); | |
155 } | |
156 public void setJDoubleAt (long offset, double value) | |
157 throws UnmappedAddressException, UnalignedAddressException { | |
158 throw new DebuggerException("Unimplemented"); | |
159 } | |
160 public void setJFloatAt (long offset, float value) | |
161 throws UnmappedAddressException, UnalignedAddressException { | |
162 throw new DebuggerException("Unimplemented"); | |
163 } | |
164 public void setJIntAt (long offset, int value) | |
165 throws UnmappedAddressException, UnalignedAddressException { | |
166 throw new DebuggerException("Unimplemented"); | |
167 } | |
168 public void setJLongAt (long offset, long value) | |
169 throws UnmappedAddressException, UnalignedAddressException { | |
170 throw new DebuggerException("Unimplemented"); | |
171 } | |
172 public void setJShortAt (long offset, short value) | |
173 throws UnmappedAddressException, UnalignedAddressException { | |
174 throw new DebuggerException("Unimplemented"); | |
175 } | |
176 public void setOopHandleAt (long offset, OopHandle value) | |
177 throws UnmappedAddressException, UnalignedAddressException { | |
178 throw new DebuggerException("Unimplemented"); | |
179 } | |
180 | |
181 // | |
182 // Arithmetic operations -- necessary evil. | |
183 // | |
184 | |
185 public Address addOffsetTo (long offset) throws UnsupportedOperationException { | |
186 long value = addr + offset; | |
187 if (value == 0) { | |
188 return null; | |
189 } | |
190 return new WindbgAddress(debugger, value); | |
191 } | |
192 | |
193 public OopHandle addOffsetToAsOopHandle(long offset) throws UnsupportedOperationException { | |
194 long value = addr + offset; | |
195 if (value == 0) { | |
196 return null; | |
197 } | |
198 return new WindbgOopHandle(debugger, value); | |
199 } | |
200 | |
201 /** (FIXME: any signed/unsigned issues? Should this work for | |
202 OopHandles?) */ | |
203 public long minus(Address arg) { | |
204 if (arg == null) { | |
205 return addr; | |
206 } | |
207 return addr - ((WindbgAddress) arg).addr; | |
208 } | |
209 | |
210 // Two's complement representation. | |
211 // All negative numbers are larger than positive numbers. | |
212 // Numbers with the same sign can be compared normally. | |
213 // Test harness is below in main(). | |
214 | |
215 public boolean lessThan (Address a) { | |
216 if (a == null) { | |
217 return false; | |
218 } | |
219 WindbgAddress arg = (WindbgAddress) a; | |
220 if ((addr >= 0) && (arg.addr < 0)) { | |
221 return true; | |
222 } | |
223 if ((addr < 0) && (arg.addr >= 0)) { | |
224 return false; | |
225 } | |
226 return (addr < arg.addr); | |
227 } | |
228 | |
229 public boolean lessThanOrEqual (Address a) { | |
230 if (a == null) { | |
231 return false; | |
232 } | |
233 WindbgAddress arg = (WindbgAddress) a; | |
234 if ((addr >= 0) && (arg.addr < 0)) { | |
235 return true; | |
236 } | |
237 if ((addr < 0) && (arg.addr >= 0)) { | |
238 return false; | |
239 } | |
240 return (addr <= arg.addr); | |
241 } | |
242 | |
243 public boolean greaterThan (Address a) { | |
244 if (a == null) { | |
245 return true; | |
246 } | |
247 WindbgAddress arg = (WindbgAddress) a; | |
248 if ((addr >= 0) && (arg.addr < 0)) { | |
249 return false; | |
250 } | |
251 if ((addr < 0) && (arg.addr >= 0)) { | |
252 return true; | |
253 } | |
254 return (addr > arg.addr); | |
255 } | |
256 | |
257 public boolean greaterThanOrEqual(Address a) { | |
258 if (a == null) { | |
259 return true; | |
260 } | |
261 WindbgAddress arg = (WindbgAddress) a; | |
262 if ((addr >= 0) && (arg.addr < 0)) { | |
263 return false; | |
264 } | |
265 if ((addr < 0) && (arg.addr >= 0)) { | |
266 return true; | |
267 } | |
268 return (addr >= arg.addr); | |
269 } | |
270 | |
271 public Address andWithMask(long mask) throws UnsupportedOperationException { | |
272 long value = addr & mask; | |
273 if (value == 0) { | |
274 return null; | |
275 } | |
276 return new WindbgAddress(debugger, value); | |
277 } | |
278 | |
279 public Address orWithMask(long mask) throws UnsupportedOperationException { | |
280 long value = addr | mask; | |
281 if (value == 0) { | |
282 return null; | |
283 } | |
284 return new WindbgAddress(debugger, value); | |
285 } | |
286 | |
287 public Address xorWithMask(long mask) throws UnsupportedOperationException { | |
288 long value = addr ^ mask; | |
289 if (value == 0) { | |
290 return null; | |
291 } | |
292 return new WindbgAddress(debugger, value); | |
293 } | |
294 | |
295 | |
296 //-------------------------------------------------------------------------------- | |
297 // Internals only below this point | |
298 // | |
299 | |
300 long getValue() { | |
301 return addr; | |
302 } | |
303 | |
304 | |
305 private static void check(boolean arg, String failMessage) { | |
306 if (!arg) { | |
307 System.err.println(failMessage + ": FAILED"); | |
308 System.exit(1); | |
309 } | |
310 } | |
311 | |
312 // Test harness | |
313 public static void main(String[] args) { | |
314 // p/n indicates whether the interior address is really positive | |
315 // or negative. In unsigned terms, p1 < p2 < n1 < n2. | |
316 | |
317 WindbgAddress p1 = new WindbgAddress(null, 0x7FFFFFFFFFFFFFF0L); | |
318 WindbgAddress p2 = (WindbgAddress) p1.addOffsetTo(10); | |
319 WindbgAddress n1 = (WindbgAddress) p2.addOffsetTo(10); | |
320 WindbgAddress n2 = (WindbgAddress) n1.addOffsetTo(10); | |
321 | |
322 // lessThan positive tests | |
323 check(p1.lessThan(p2), "lessThan 1"); | |
324 check(p1.lessThan(n1), "lessThan 2"); | |
325 check(p1.lessThan(n2), "lessThan 3"); | |
326 check(p2.lessThan(n1), "lessThan 4"); | |
327 check(p2.lessThan(n2), "lessThan 5"); | |
328 check(n1.lessThan(n2), "lessThan 6"); | |
329 | |
330 // lessThan negative tests | |
331 check(!p1.lessThan(p1), "lessThan 7"); | |
332 check(!p2.lessThan(p2), "lessThan 8"); | |
333 check(!n1.lessThan(n1), "lessThan 9"); | |
334 check(!n2.lessThan(n2), "lessThan 10"); | |
335 | |
336 check(!p2.lessThan(p1), "lessThan 11"); | |
337 check(!n1.lessThan(p1), "lessThan 12"); | |
338 check(!n2.lessThan(p1), "lessThan 13"); | |
339 check(!n1.lessThan(p2), "lessThan 14"); | |
340 check(!n2.lessThan(p2), "lessThan 15"); | |
341 check(!n2.lessThan(n1), "lessThan 16"); | |
342 | |
343 // lessThanOrEqual positive tests | |
344 check(p1.lessThanOrEqual(p1), "lessThanOrEqual 1"); | |
345 check(p2.lessThanOrEqual(p2), "lessThanOrEqual 2"); | |
346 check(n1.lessThanOrEqual(n1), "lessThanOrEqual 3"); | |
347 check(n2.lessThanOrEqual(n2), "lessThanOrEqual 4"); | |
348 | |
349 check(p1.lessThanOrEqual(p2), "lessThanOrEqual 5"); | |
350 check(p1.lessThanOrEqual(n1), "lessThanOrEqual 6"); | |
351 check(p1.lessThanOrEqual(n2), "lessThanOrEqual 7"); | |
352 check(p2.lessThanOrEqual(n1), "lessThanOrEqual 8"); | |
353 check(p2.lessThanOrEqual(n2), "lessThanOrEqual 9"); | |
354 check(n1.lessThanOrEqual(n2), "lessThanOrEqual 10"); | |
355 | |
356 // lessThanOrEqual negative tests | |
357 check(!p2.lessThanOrEqual(p1), "lessThanOrEqual 11"); | |
358 check(!n1.lessThanOrEqual(p1), "lessThanOrEqual 12"); | |
359 check(!n2.lessThanOrEqual(p1), "lessThanOrEqual 13"); | |
360 check(!n1.lessThanOrEqual(p2), "lessThanOrEqual 14"); | |
361 check(!n2.lessThanOrEqual(p2), "lessThanOrEqual 15"); | |
362 check(!n2.lessThanOrEqual(n1), "lessThanOrEqual 16"); | |
363 | |
364 // greaterThan positive tests | |
365 check(n2.greaterThan(p1), "greaterThan 1"); | |
366 check(n2.greaterThan(p2), "greaterThan 2"); | |
367 check(n2.greaterThan(n1), "greaterThan 3"); | |
368 check(n1.greaterThan(p1), "greaterThan 4"); | |
369 check(n1.greaterThan(p2), "greaterThan 5"); | |
370 check(p2.greaterThan(p1), "greaterThan 6"); | |
371 | |
372 // greaterThan negative tests | |
373 check(!p1.greaterThan(p1), "greaterThan 7"); | |
374 check(!p2.greaterThan(p2), "greaterThan 8"); | |
375 check(!n1.greaterThan(n1), "greaterThan 9"); | |
376 check(!n2.greaterThan(n2), "greaterThan 10"); | |
377 | |
378 check(!p1.greaterThan(n2), "greaterThan 11"); | |
379 check(!p2.greaterThan(n2), "greaterThan 12"); | |
380 check(!n1.greaterThan(n2), "greaterThan 13"); | |
381 check(!p1.greaterThan(n1), "greaterThan 14"); | |
382 check(!p2.greaterThan(n1), "greaterThan 15"); | |
383 check(!p1.greaterThan(p2), "greaterThan 16"); | |
384 | |
385 // greaterThanOrEqual positive tests | |
386 check(p1.greaterThanOrEqual(p1), "greaterThanOrEqual 1"); | |
387 check(p2.greaterThanOrEqual(p2), "greaterThanOrEqual 2"); | |
388 check(n1.greaterThanOrEqual(n1), "greaterThanOrEqual 3"); | |
389 check(n2.greaterThanOrEqual(n2), "greaterThanOrEqual 4"); | |
390 | |
391 check(n2.greaterThanOrEqual(p1), "greaterThanOrEqual 5"); | |
392 check(n2.greaterThanOrEqual(p2), "greaterThanOrEqual 6"); | |
393 check(n2.greaterThanOrEqual(n1), "greaterThanOrEqual 7"); | |
394 check(n1.greaterThanOrEqual(p1), "greaterThanOrEqual 8"); | |
395 check(n1.greaterThanOrEqual(p2), "greaterThanOrEqual 9"); | |
396 check(p2.greaterThanOrEqual(p1), "greaterThanOrEqual 10"); | |
397 | |
398 // greaterThanOrEqual negative tests | |
399 check(!p1.greaterThanOrEqual(n2), "greaterThanOrEqual 11"); | |
400 check(!p2.greaterThanOrEqual(n2), "greaterThanOrEqual 12"); | |
401 check(!n1.greaterThanOrEqual(n2), "greaterThanOrEqual 13"); | |
402 check(!p1.greaterThanOrEqual(n1), "greaterThanOrEqual 14"); | |
403 check(!p2.greaterThanOrEqual(n1), "greaterThanOrEqual 15"); | |
404 check(!p1.greaterThanOrEqual(p2), "greaterThanOrEqual 16"); | |
405 | |
406 System.err.println("WindbgAddress: all tests passed successfully."); | |
407 } | |
408 } |