Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/dummy/DummyAddress.java @ 196:d1605aabd0a1 jdk7-b30
6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell
| author | xdono |
|---|---|
| date | Wed, 02 Jul 2008 12:55:16 -0700 |
| parents | ba764ed4b6f2 |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 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.dummy; | |
| 26 | |
| 27 import sun.jvm.hotspot.debugger.*; | |
| 28 | |
| 29 /** For testing purposes */ | |
| 30 | |
| 31 class DummyAddress implements Address { | |
| 32 protected DummyDebugger debugger; | |
| 33 protected long addr; | |
| 34 private static final long badLong = 0xBAADBABEL; | |
| 35 private static final double badDouble = 1.23456; | |
| 36 | |
| 37 DummyAddress(DummyDebugger debugger, long addr) { | |
| 38 this.debugger = debugger; | |
| 39 this.addr = addr; | |
| 40 } | |
| 41 | |
| 42 // | |
| 43 // Basic Java routines | |
| 44 // | |
| 45 | |
| 46 public boolean equals(Object arg) { | |
| 47 if (arg == null) { | |
| 48 return false; | |
| 49 } | |
| 50 | |
| 51 if (!(arg instanceof DummyAddress)) { | |
| 52 return false; | |
| 53 } | |
| 54 | |
| 55 return (addr == ((DummyAddress) arg).addr); | |
| 56 } | |
| 57 | |
| 58 public int hashCode() { | |
| 59 // FIXME: suggestions on a better hash code? | |
| 60 return (int) addr; | |
| 61 } | |
| 62 | |
| 63 public String toString() { | |
| 64 return debugger.addressToString(this); | |
| 65 } | |
| 66 | |
| 67 // | |
| 68 // C/C++-related routines | |
| 69 // | |
| 70 | |
| 71 public long getCIntegerAt(long offset, long numBytes, boolean isUnsigned) throws UnalignedAddressException, UnmappedAddressException { | |
| 72 return badLong; | |
| 73 } | |
| 74 | |
| 75 public Address getAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 76 return new DummyAddress(debugger, badLong); | |
| 77 } | |
| 78 | |
|
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79 public Address getCompOopAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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80 return new DummyAddress(debugger, badLong); |
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81 } |
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82 |
| 0 | 83 // |
| 84 // Java-related routines | |
| 85 // | |
| 86 | |
| 87 public boolean getJBooleanAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 88 return false; | |
| 89 } | |
| 90 | |
| 91 public byte getJByteAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 92 return (byte) badLong; | |
| 93 } | |
| 94 | |
| 95 public char getJCharAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 96 return (char) badLong; | |
| 97 } | |
| 98 | |
| 99 public double getJDoubleAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 100 return badDouble; | |
| 101 } | |
| 102 | |
| 103 public float getJFloatAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 104 return (float) badDouble; | |
| 105 } | |
| 106 | |
| 107 public int getJIntAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 108 return (int) badLong; | |
| 109 } | |
| 110 | |
| 111 public long getJLongAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 112 return badLong; | |
| 113 } | |
| 114 | |
| 115 public short getJShortAt(long offset) throws UnalignedAddressException, UnmappedAddressException { | |
| 116 return (short) badLong; | |
| 117 } | |
| 118 | |
| 119 public OopHandle getOopHandleAt(long offset) | |
| 120 throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { | |
| 121 return new DummyOopHandle(debugger, badLong); | |
| 122 } | |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
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123 public OopHandle getCompOopHandleAt(long offset) |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
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124 throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
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125 return new DummyOopHandle(debugger, badLong); |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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126 } |
| 0 | 127 |
| 128 // Mutators -- not implemented | |
| 129 public void setCIntegerAt(long offset, long numBytes, long value) { | |
| 130 throw new DebuggerException("Unimplemented"); | |
| 131 } | |
| 132 public void setAddressAt(long offset, Address value) { | |
| 133 throw new DebuggerException("Unimplemented"); | |
| 134 } | |
| 135 public void setJBooleanAt (long offset, boolean value) | |
| 136 throws UnmappedAddressException, UnalignedAddressException { | |
| 137 throw new DebuggerException("Unimplemented"); | |
| 138 } | |
| 139 public void setJByteAt (long offset, byte value) | |
| 140 throws UnmappedAddressException, UnalignedAddressException { | |
| 141 throw new DebuggerException("Unimplemented"); | |
| 142 } | |
| 143 public void setJCharAt (long offset, char value) | |
| 144 throws UnmappedAddressException, UnalignedAddressException { | |
| 145 throw new DebuggerException("Unimplemented"); | |
| 146 } | |
| 147 public void setJDoubleAt (long offset, double value) | |
| 148 throws UnmappedAddressException, UnalignedAddressException { | |
| 149 throw new DebuggerException("Unimplemented"); | |
| 150 } | |
| 151 public void setJFloatAt (long offset, float value) | |
| 152 throws UnmappedAddressException, UnalignedAddressException { | |
| 153 throw new DebuggerException("Unimplemented"); | |
| 154 } | |
| 155 public void setJIntAt (long offset, int value) | |
| 156 throws UnmappedAddressException, UnalignedAddressException { | |
| 157 throw new DebuggerException("Unimplemented"); | |
| 158 } | |
| 159 public void setJLongAt (long offset, long value) | |
| 160 throws UnmappedAddressException, UnalignedAddressException { | |
| 161 throw new DebuggerException("Unimplemented"); | |
| 162 } | |
| 163 public void setJShortAt (long offset, short value) | |
| 164 throws UnmappedAddressException, UnalignedAddressException { | |
| 165 throw new DebuggerException("Unimplemented"); | |
| 166 } | |
| 167 public void setOopHandleAt (long offset, OopHandle value) | |
| 168 throws UnmappedAddressException, UnalignedAddressException { | |
| 169 throw new DebuggerException("Unimplemented"); | |
| 170 } | |
| 171 | |
| 172 // | |
| 173 // Arithmetic operations -- necessary evil. | |
| 174 // | |
| 175 | |
| 176 public Address addOffsetTo (long offset) throws UnsupportedOperationException { | |
| 177 long value = addr + offset; | |
| 178 if (value == 0) { | |
| 179 return null; | |
| 180 } | |
| 181 return new DummyAddress(debugger, value); | |
| 182 } | |
| 183 | |
| 184 public OopHandle addOffsetToAsOopHandle(long offset) throws UnsupportedOperationException { | |
| 185 long value = addr + offset; | |
| 186 if (value == 0) { | |
| 187 return null; | |
| 188 } | |
| 189 return new DummyOopHandle(debugger, value); | |
| 190 } | |
| 191 | |
| 192 /** (FIXME: any signed/unsigned issues? Should this work for | |
| 193 OopHandles?) */ | |
| 194 public long minus(Address arg) { | |
| 195 if (arg == null) { | |
| 196 return addr; | |
| 197 } | |
| 198 return addr - ((DummyAddress) arg).addr; | |
| 199 } | |
| 200 | |
| 201 // Two's complement representation. | |
| 202 // All negative numbers are larger than positive numbers. | |
| 203 // Numbers with the same sign can be compared normally. | |
| 204 // Test harness is below in main(). | |
| 205 | |
| 206 public boolean lessThan (Address arg) { | |
| 207 DummyAddress DummyArg = (DummyAddress) arg; | |
| 208 if ((addr >= 0) && (DummyArg.addr < 0)) { | |
| 209 return true; | |
| 210 } | |
| 211 if ((addr < 0) && (DummyArg.addr >= 0)) { | |
| 212 return false; | |
| 213 } | |
| 214 return (addr < DummyArg.addr); | |
| 215 } | |
| 216 | |
| 217 public boolean lessThanOrEqual (Address arg) { | |
| 218 DummyAddress DummyArg = (DummyAddress) arg; | |
| 219 if ((addr >= 0) && (DummyArg.addr < 0)) { | |
| 220 return true; | |
| 221 } | |
| 222 if ((addr < 0) && (DummyArg.addr >= 0)) { | |
| 223 return false; | |
| 224 } | |
| 225 return (addr <= DummyArg.addr); | |
| 226 } | |
| 227 | |
| 228 public boolean greaterThan (Address arg) { | |
| 229 DummyAddress DummyArg = (DummyAddress) arg; | |
| 230 if ((addr >= 0) && (DummyArg.addr < 0)) { | |
| 231 return false; | |
| 232 } | |
| 233 if ((addr < 0) && (DummyArg.addr >= 0)) { | |
| 234 return true; | |
| 235 } | |
| 236 return (addr > DummyArg.addr); | |
| 237 } | |
| 238 | |
| 239 public boolean greaterThanOrEqual(Address arg) { | |
| 240 DummyAddress DummyArg = (DummyAddress) arg; | |
| 241 if ((addr >= 0) && (DummyArg.addr < 0)) { | |
| 242 return false; | |
| 243 } | |
| 244 if ((addr < 0) && (DummyArg.addr >= 0)) { | |
| 245 return true; | |
| 246 } | |
| 247 return (addr >= DummyArg.addr); | |
| 248 } | |
| 249 | |
| 250 public Address andWithMask(long mask) throws UnsupportedOperationException { | |
| 251 long value = addr & mask; | |
| 252 if (value == 0) { | |
| 253 return null; | |
| 254 } | |
| 255 return new DummyAddress(debugger, value); | |
| 256 } | |
| 257 | |
| 258 public Address orWithMask(long mask) throws UnsupportedOperationException { | |
| 259 long value = addr | mask; | |
| 260 if (value == 0) { | |
| 261 return null; | |
| 262 } | |
| 263 return new DummyAddress(debugger, value); | |
| 264 } | |
| 265 | |
| 266 public Address xorWithMask(long mask) throws UnsupportedOperationException { | |
| 267 long value = addr ^ mask; | |
| 268 if (value == 0) { | |
| 269 return null; | |
| 270 } | |
| 271 return new DummyAddress(debugger, value); | |
| 272 } | |
| 273 | |
| 274 //-------------------------------------------------------------------------------- | |
| 275 // Internals only below this point | |
| 276 // | |
| 277 | |
| 278 long getValue() { | |
| 279 return addr; | |
| 280 } | |
| 281 | |
| 282 private static void check(boolean arg, String failMessage) { | |
| 283 if (!arg) { | |
| 284 System.err.println(failMessage + ": FAILED"); | |
| 285 System.exit(1); | |
| 286 } | |
| 287 } | |
| 288 | |
| 289 // Test harness | |
| 290 public static void main(String[] args) { | |
| 291 // p/n indicates whether the interior address is really positive | |
| 292 // or negative. In unsigned terms, p1 < p2 < n1 < n2. | |
| 293 | |
| 294 DummyAddress p1 = new DummyAddress(null, 0x7FFFFFFFFFFFFFF0L); | |
| 295 DummyAddress p2 = (DummyAddress) p1.addOffsetTo(10); | |
| 296 DummyAddress n1 = (DummyAddress) p2.addOffsetTo(10); | |
| 297 DummyAddress n2 = (DummyAddress) n1.addOffsetTo(10); | |
| 298 | |
| 299 // lessThan positive tests | |
| 300 check(p1.lessThan(p2), "lessThan 1"); | |
| 301 check(p1.lessThan(n1), "lessThan 2"); | |
| 302 check(p1.lessThan(n2), "lessThan 3"); | |
| 303 check(p2.lessThan(n1), "lessThan 4"); | |
| 304 check(p2.lessThan(n2), "lessThan 5"); | |
| 305 check(n1.lessThan(n2), "lessThan 6"); | |
| 306 | |
| 307 // lessThan negative tests | |
| 308 check(!p1.lessThan(p1), "lessThan 7"); | |
| 309 check(!p2.lessThan(p2), "lessThan 8"); | |
| 310 check(!n1.lessThan(n1), "lessThan 9"); | |
| 311 check(!n2.lessThan(n2), "lessThan 10"); | |
| 312 | |
| 313 check(!p2.lessThan(p1), "lessThan 11"); | |
| 314 check(!n1.lessThan(p1), "lessThan 12"); | |
| 315 check(!n2.lessThan(p1), "lessThan 13"); | |
| 316 check(!n1.lessThan(p2), "lessThan 14"); | |
| 317 check(!n2.lessThan(p2), "lessThan 15"); | |
| 318 check(!n2.lessThan(n1), "lessThan 16"); | |
| 319 | |
| 320 // lessThanOrEqual positive tests | |
| 321 check(p1.lessThanOrEqual(p1), "lessThanOrEqual 1"); | |
| 322 check(p2.lessThanOrEqual(p2), "lessThanOrEqual 2"); | |
| 323 check(n1.lessThanOrEqual(n1), "lessThanOrEqual 3"); | |
| 324 check(n2.lessThanOrEqual(n2), "lessThanOrEqual 4"); | |
| 325 | |
| 326 check(p1.lessThanOrEqual(p2), "lessThanOrEqual 5"); | |
| 327 check(p1.lessThanOrEqual(n1), "lessThanOrEqual 6"); | |
| 328 check(p1.lessThanOrEqual(n2), "lessThanOrEqual 7"); | |
| 329 check(p2.lessThanOrEqual(n1), "lessThanOrEqual 8"); | |
| 330 check(p2.lessThanOrEqual(n2), "lessThanOrEqual 9"); | |
| 331 check(n1.lessThanOrEqual(n2), "lessThanOrEqual 10"); | |
| 332 | |
| 333 // lessThanOrEqual negative tests | |
| 334 check(!p2.lessThanOrEqual(p1), "lessThanOrEqual 11"); | |
| 335 check(!n1.lessThanOrEqual(p1), "lessThanOrEqual 12"); | |
| 336 check(!n2.lessThanOrEqual(p1), "lessThanOrEqual 13"); | |
| 337 check(!n1.lessThanOrEqual(p2), "lessThanOrEqual 14"); | |
| 338 check(!n2.lessThanOrEqual(p2), "lessThanOrEqual 15"); | |
| 339 check(!n2.lessThanOrEqual(n1), "lessThanOrEqual 16"); | |
| 340 | |
| 341 // greaterThan positive tests | |
| 342 check(n2.greaterThan(p1), "greaterThan 1"); | |
| 343 check(n2.greaterThan(p2), "greaterThan 2"); | |
| 344 check(n2.greaterThan(n1), "greaterThan 3"); | |
| 345 check(n1.greaterThan(p1), "greaterThan 4"); | |
| 346 check(n1.greaterThan(p2), "greaterThan 5"); | |
| 347 check(p2.greaterThan(p1), "greaterThan 6"); | |
| 348 | |
| 349 // greaterThan negative tests | |
| 350 check(!p1.greaterThan(p1), "greaterThan 7"); | |
| 351 check(!p2.greaterThan(p2), "greaterThan 8"); | |
| 352 check(!n1.greaterThan(n1), "greaterThan 9"); | |
| 353 check(!n2.greaterThan(n2), "greaterThan 10"); | |
| 354 | |
| 355 check(!p1.greaterThan(n2), "greaterThan 11"); | |
| 356 check(!p2.greaterThan(n2), "greaterThan 12"); | |
| 357 check(!n1.greaterThan(n2), "greaterThan 13"); | |
| 358 check(!p1.greaterThan(n1), "greaterThan 14"); | |
| 359 check(!p2.greaterThan(n1), "greaterThan 15"); | |
| 360 check(!p1.greaterThan(p2), "greaterThan 16"); | |
| 361 | |
| 362 // greaterThanOrEqual positive tests | |
| 363 check(p1.greaterThanOrEqual(p1), "greaterThanOrEqual 1"); | |
| 364 check(p2.greaterThanOrEqual(p2), "greaterThanOrEqual 2"); | |
| 365 check(n1.greaterThanOrEqual(n1), "greaterThanOrEqual 3"); | |
| 366 check(n2.greaterThanOrEqual(n2), "greaterThanOrEqual 4"); | |
| 367 | |
| 368 check(n2.greaterThanOrEqual(p1), "greaterThanOrEqual 5"); | |
| 369 check(n2.greaterThanOrEqual(p2), "greaterThanOrEqual 6"); | |
| 370 check(n2.greaterThanOrEqual(n1), "greaterThanOrEqual 7"); | |
| 371 check(n1.greaterThanOrEqual(p1), "greaterThanOrEqual 8"); | |
| 372 check(n1.greaterThanOrEqual(p2), "greaterThanOrEqual 9"); | |
| 373 check(p2.greaterThanOrEqual(p1), "greaterThanOrEqual 10"); | |
| 374 | |
| 375 // greaterThanOrEqual negative tests | |
| 376 check(!p1.greaterThanOrEqual(n2), "greaterThanOrEqual 11"); | |
| 377 check(!p2.greaterThanOrEqual(n2), "greaterThanOrEqual 12"); | |
| 378 check(!n1.greaterThanOrEqual(n2), "greaterThanOrEqual 13"); | |
| 379 check(!p1.greaterThanOrEqual(n1), "greaterThanOrEqual 14"); | |
| 380 check(!p2.greaterThanOrEqual(n1), "greaterThanOrEqual 15"); | |
| 381 check(!p1.greaterThanOrEqual(p2), "greaterThanOrEqual 16"); | |
| 382 | |
| 383 System.err.println("DummyAddress: all tests passed successfully."); | |
| 384 } | |
| 385 } |