Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/remote/RemoteAddress.java @ 10343:6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
Summary: Inject protection_domain, signers, init_lock into java_lang_Class
Reviewed-by: stefank, dholmes, sla
author | coleenp |
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date | Wed, 22 May 2013 14:37:49 -0400 |
parents | 8e47bac5643a |
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rev | line source |
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0 | 1 /* |
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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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.debugger.remote; | |
26 | |
27 import sun.jvm.hotspot.debugger.*; | |
28 | |
29 class RemoteAddress implements Address { | |
30 protected RemoteDebuggerClient debugger; | |
31 protected long addr; | |
32 | |
33 RemoteAddress(RemoteDebuggerClient 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 RemoteAddress)) { | |
48 return false; | |
49 } | |
50 | |
51 return (addr == ((RemoteAddress) 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 } | |
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74 public Address getCompOopAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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75 return debugger.readCompOopAddress(addr + offset); |
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76 } |
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77 public Address getCompKlassAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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78 return debugger.readCompKlassAddress(addr + offset); |
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79 } |
0 | 80 |
81 // | |
82 // Java-related routines | |
83 // | |
84 | |
85 public boolean getJBooleanAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
86 return debugger.readJBoolean(addr + offset); | |
87 } | |
88 | |
89 public byte getJByteAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
90 return debugger.readJByte(addr + offset); | |
91 } | |
92 | |
93 public char getJCharAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
94 return debugger.readJChar(addr + offset); | |
95 } | |
96 | |
97 public double getJDoubleAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
98 return debugger.readJDouble(addr + offset); | |
99 } | |
100 | |
101 public float getJFloatAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
102 return debugger.readJFloat(addr + offset); | |
103 } | |
104 | |
105 public int getJIntAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
106 return debugger.readJInt(addr + offset); | |
107 } | |
108 | |
109 public long getJLongAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
110 return debugger.readJLong(addr + offset); | |
111 } | |
112 | |
113 public short getJShortAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
114 return debugger.readJShort(addr + offset); | |
115 } | |
116 | |
117 public OopHandle getOopHandleAt(long offset) | |
118 throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { | |
119 return debugger.readOopHandle(addr + offset); | |
120 } | |
113
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121 public OopHandle getCompOopHandleAt(long offset) |
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122 throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { |
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123 return debugger.readCompOopHandle(addr + offset); |
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124 } |
0 | 125 |
126 // Mutators -- not implemented for now (FIXME) | |
127 public void setCIntegerAt(long offset, long numBytes, long value) { | |
128 throw new DebuggerException("Unimplemented"); | |
129 } | |
130 public void setAddressAt(long offset, Address value) { | |
131 throw new DebuggerException("Unimplemented"); | |
132 } | |
133 public void setJBooleanAt (long offset, boolean value) | |
134 throws UnmappedAddressException, UnalignedAddressException { | |
135 throw new DebuggerException("Unimplemented"); | |
136 } | |
137 public void setJByteAt (long offset, byte value) | |
138 throws UnmappedAddressException, UnalignedAddressException { | |
139 throw new DebuggerException("Unimplemented"); | |
140 } | |
141 public void setJCharAt (long offset, char value) | |
142 throws UnmappedAddressException, UnalignedAddressException { | |
143 throw new DebuggerException("Unimplemented"); | |
144 } | |
145 public void setJDoubleAt (long offset, double value) | |
146 throws UnmappedAddressException, UnalignedAddressException { | |
147 throw new DebuggerException("Unimplemented"); | |
148 } | |
149 public void setJFloatAt (long offset, float value) | |
150 throws UnmappedAddressException, UnalignedAddressException { | |
151 throw new DebuggerException("Unimplemented"); | |
152 } | |
153 public void setJIntAt (long offset, int value) | |
154 throws UnmappedAddressException, UnalignedAddressException { | |
155 throw new DebuggerException("Unimplemented"); | |
156 } | |
157 public void setJLongAt (long offset, long value) | |
158 throws UnmappedAddressException, UnalignedAddressException { | |
159 throw new DebuggerException("Unimplemented"); | |
160 } | |
161 public void setJShortAt (long offset, short value) | |
162 throws UnmappedAddressException, UnalignedAddressException { | |
163 throw new DebuggerException("Unimplemented"); | |
164 } | |
165 public void setOopHandleAt (long offset, OopHandle value) | |
166 throws UnmappedAddressException, UnalignedAddressException { | |
167 throw new DebuggerException("Unimplemented"); | |
168 } | |
169 | |
170 // | |
171 // Arithmetic operations -- necessary evil. | |
172 // | |
173 | |
174 public Address addOffsetTo (long offset) throws UnsupportedOperationException { | |
175 long value = addr + offset; | |
176 if (value == 0) { | |
177 return null; | |
178 } | |
179 return new RemoteAddress(debugger, value); | |
180 } | |
181 | |
182 public OopHandle addOffsetToAsOopHandle(long offset) throws UnsupportedOperationException { | |
183 long value = addr + offset; | |
184 if (value == 0) { | |
185 return null; | |
186 } | |
187 return new RemoteOopHandle(debugger, value); | |
188 } | |
189 | |
190 /** (FIXME: any signed/unsigned issues? Should this work for | |
191 OopHandles?) */ | |
192 public long minus(Address arg) { | |
193 if (arg == null) { | |
194 return addr; | |
195 } | |
196 return addr - ((RemoteAddress) arg).addr; | |
197 } | |
198 | |
199 // Two's complement representation. | |
200 // All negative numbers are larger than positive numbers. | |
201 // Numbers with the same sign can be compared normally. | |
202 // Test harness is below in main(). | |
203 | |
204 public boolean lessThan (Address arg) { | |
205 if (arg == null) { | |
206 return false; | |
207 } | |
208 RemoteAddress remoteArg = (RemoteAddress) arg; | |
209 if ((addr >= 0) && (remoteArg.addr < 0)) { | |
210 return true; | |
211 } | |
212 if ((addr < 0) && (remoteArg.addr >= 0)) { | |
213 return false; | |
214 } | |
215 return (addr < remoteArg.addr); | |
216 } | |
217 | |
218 public boolean lessThanOrEqual (Address arg) { | |
219 if (arg == null) { | |
220 return false; | |
221 } | |
222 RemoteAddress remoteArg = (RemoteAddress) arg; | |
223 if ((addr >= 0) && (remoteArg.addr < 0)) { | |
224 return true; | |
225 } | |
226 if ((addr < 0) && (remoteArg.addr >= 0)) { | |
227 return false; | |
228 } | |
229 return (addr <= remoteArg.addr); | |
230 } | |
231 | |
232 public boolean greaterThan (Address arg) { | |
233 if (arg == null) { | |
234 return true; | |
235 } | |
236 RemoteAddress remoteArg = (RemoteAddress) arg; | |
237 if ((addr >= 0) && (remoteArg.addr < 0)) { | |
238 return false; | |
239 } | |
240 if ((addr < 0) && (remoteArg.addr >= 0)) { | |
241 return true; | |
242 } | |
243 return (addr > remoteArg.addr); | |
244 } | |
245 | |
246 public boolean greaterThanOrEqual(Address arg) { | |
247 if (arg == null) { | |
248 return true; | |
249 } | |
250 RemoteAddress remoteArg = (RemoteAddress) arg; | |
251 if ((addr >= 0) && (remoteArg.addr < 0)) { | |
252 return false; | |
253 } | |
254 if ((addr < 0) && (remoteArg.addr >= 0)) { | |
255 return true; | |
256 } | |
257 return (addr >= remoteArg.addr); | |
258 } | |
259 | |
260 public Address andWithMask(long mask) throws UnsupportedOperationException { | |
261 long value = addr & mask; | |
262 if (value == 0) { | |
263 return null; | |
264 } | |
265 return new RemoteAddress(debugger, value); | |
266 } | |
267 | |
268 public Address orWithMask(long mask) throws UnsupportedOperationException { | |
269 long value = addr | mask; | |
270 if (value == 0) { | |
271 return null; | |
272 } | |
273 return new RemoteAddress(debugger, value); | |
274 } | |
275 | |
276 public Address xorWithMask(long mask) throws UnsupportedOperationException { | |
277 long value = addr ^ mask; | |
278 if (value == 0) { | |
279 return null; | |
280 } | |
281 return new RemoteAddress(debugger, value); | |
282 } | |
283 | |
284 | |
285 //-------------------------------------------------------------------------------- | |
286 // Internals only below this point | |
287 // | |
288 | |
289 long getValue() { | |
290 return addr; | |
291 } | |
292 | |
293 | |
294 private static void check(boolean arg, String failMessage) { | |
295 if (!arg) { | |
296 System.err.println(failMessage + ": FAILED"); | |
297 System.exit(1); | |
298 } | |
299 } | |
300 | |
301 // Test harness | |
302 public static void main(String[] args) { | |
303 // p/n indicates whether the interior address is really positive | |
304 // or negative. In unsigned terms, p1 < p2 < n1 < n2. | |
305 | |
306 RemoteAddress p1 = new RemoteAddress(null, 0x7FFFFFFFFFFFFFF0L); | |
307 RemoteAddress p2 = (RemoteAddress) p1.addOffsetTo(10); | |
308 RemoteAddress n1 = (RemoteAddress) p2.addOffsetTo(10); | |
309 RemoteAddress n2 = (RemoteAddress) n1.addOffsetTo(10); | |
310 | |
311 // lessThan positive tests | |
312 check(p1.lessThan(p2), "lessThan 1"); | |
313 check(p1.lessThan(n1), "lessThan 2"); | |
314 check(p1.lessThan(n2), "lessThan 3"); | |
315 check(p2.lessThan(n1), "lessThan 4"); | |
316 check(p2.lessThan(n2), "lessThan 5"); | |
317 check(n1.lessThan(n2), "lessThan 6"); | |
318 | |
319 // lessThan negative tests | |
320 check(!p1.lessThan(p1), "lessThan 7"); | |
321 check(!p2.lessThan(p2), "lessThan 8"); | |
322 check(!n1.lessThan(n1), "lessThan 9"); | |
323 check(!n2.lessThan(n2), "lessThan 10"); | |
324 | |
325 check(!p2.lessThan(p1), "lessThan 11"); | |
326 check(!n1.lessThan(p1), "lessThan 12"); | |
327 check(!n2.lessThan(p1), "lessThan 13"); | |
328 check(!n1.lessThan(p2), "lessThan 14"); | |
329 check(!n2.lessThan(p2), "lessThan 15"); | |
330 check(!n2.lessThan(n1), "lessThan 16"); | |
331 | |
332 // lessThanOrEqual positive tests | |
333 check(p1.lessThanOrEqual(p1), "lessThanOrEqual 1"); | |
334 check(p2.lessThanOrEqual(p2), "lessThanOrEqual 2"); | |
335 check(n1.lessThanOrEqual(n1), "lessThanOrEqual 3"); | |
336 check(n2.lessThanOrEqual(n2), "lessThanOrEqual 4"); | |
337 | |
338 check(p1.lessThanOrEqual(p2), "lessThanOrEqual 5"); | |
339 check(p1.lessThanOrEqual(n1), "lessThanOrEqual 6"); | |
340 check(p1.lessThanOrEqual(n2), "lessThanOrEqual 7"); | |
341 check(p2.lessThanOrEqual(n1), "lessThanOrEqual 8"); | |
342 check(p2.lessThanOrEqual(n2), "lessThanOrEqual 9"); | |
343 check(n1.lessThanOrEqual(n2), "lessThanOrEqual 10"); | |
344 | |
345 // lessThanOrEqual negative tests | |
346 check(!p2.lessThanOrEqual(p1), "lessThanOrEqual 11"); | |
347 check(!n1.lessThanOrEqual(p1), "lessThanOrEqual 12"); | |
348 check(!n2.lessThanOrEqual(p1), "lessThanOrEqual 13"); | |
349 check(!n1.lessThanOrEqual(p2), "lessThanOrEqual 14"); | |
350 check(!n2.lessThanOrEqual(p2), "lessThanOrEqual 15"); | |
351 check(!n2.lessThanOrEqual(n1), "lessThanOrEqual 16"); | |
352 | |
353 // greaterThan positive tests | |
354 check(n2.greaterThan(p1), "greaterThan 1"); | |
355 check(n2.greaterThan(p2), "greaterThan 2"); | |
356 check(n2.greaterThan(n1), "greaterThan 3"); | |
357 check(n1.greaterThan(p1), "greaterThan 4"); | |
358 check(n1.greaterThan(p2), "greaterThan 5"); | |
359 check(p2.greaterThan(p1), "greaterThan 6"); | |
360 | |
361 // greaterThan negative tests | |
362 check(!p1.greaterThan(p1), "greaterThan 7"); | |
363 check(!p2.greaterThan(p2), "greaterThan 8"); | |
364 check(!n1.greaterThan(n1), "greaterThan 9"); | |
365 check(!n2.greaterThan(n2), "greaterThan 10"); | |
366 | |
367 check(!p1.greaterThan(n2), "greaterThan 11"); | |
368 check(!p2.greaterThan(n2), "greaterThan 12"); | |
369 check(!n1.greaterThan(n2), "greaterThan 13"); | |
370 check(!p1.greaterThan(n1), "greaterThan 14"); | |
371 check(!p2.greaterThan(n1), "greaterThan 15"); | |
372 check(!p1.greaterThan(p2), "greaterThan 16"); | |
373 | |
374 // greaterThanOrEqual positive tests | |
375 check(p1.greaterThanOrEqual(p1), "greaterThanOrEqual 1"); | |
376 check(p2.greaterThanOrEqual(p2), "greaterThanOrEqual 2"); | |
377 check(n1.greaterThanOrEqual(n1), "greaterThanOrEqual 3"); | |
378 check(n2.greaterThanOrEqual(n2), "greaterThanOrEqual 4"); | |
379 | |
380 check(n2.greaterThanOrEqual(p1), "greaterThanOrEqual 5"); | |
381 check(n2.greaterThanOrEqual(p2), "greaterThanOrEqual 6"); | |
382 check(n2.greaterThanOrEqual(n1), "greaterThanOrEqual 7"); | |
383 check(n1.greaterThanOrEqual(p1), "greaterThanOrEqual 8"); | |
384 check(n1.greaterThanOrEqual(p2), "greaterThanOrEqual 9"); | |
385 check(p2.greaterThanOrEqual(p1), "greaterThanOrEqual 10"); | |
386 | |
387 // greaterThanOrEqual negative tests | |
388 check(!p1.greaterThanOrEqual(n2), "greaterThanOrEqual 11"); | |
389 check(!p2.greaterThanOrEqual(n2), "greaterThanOrEqual 12"); | |
390 check(!n1.greaterThanOrEqual(n2), "greaterThanOrEqual 13"); | |
391 check(!p1.greaterThanOrEqual(n1), "greaterThanOrEqual 14"); | |
392 check(!p2.greaterThanOrEqual(n1), "greaterThanOrEqual 15"); | |
393 check(!p1.greaterThanOrEqual(p2), "greaterThanOrEqual 16"); | |
394 | |
395 System.err.println("RemoteAddress: all tests passed successfully."); | |
396 } | |
397 } |