J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2005 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include "util.h" |
| 27 | #include "ArrayReferenceImpl.h" |
| 28 | #include "inStream.h" |
| 29 | #include "outStream.h" |
| 30 | |
| 31 | static jboolean |
| 32 | length(PacketInputStream *in, PacketOutputStream *out) |
| 33 | { |
| 34 | JNIEnv *env = getEnv(); |
| 35 | jsize arrayLength; |
| 36 | |
| 37 | jarray array = inStream_readArrayRef(env, in); |
| 38 | if (inStream_error(in)) { |
| 39 | return JNI_TRUE; |
| 40 | } |
| 41 | |
| 42 | arrayLength = JNI_FUNC_PTR(env,GetArrayLength)(env, array); |
| 43 | (void)outStream_writeInt(out, arrayLength); |
| 44 | return JNI_TRUE; |
| 45 | } |
| 46 | |
| 47 | static void * |
| 48 | newComponents(PacketOutputStream *out, jint length, size_t nbytes) |
| 49 | { |
| 50 | void *ptr = NULL; |
| 51 | |
| 52 | if ( length > 0 ) { |
| 53 | ptr = jvmtiAllocate(length*((jint)nbytes)); |
| 54 | if ( ptr == NULL ) { |
| 55 | outStream_setError(out, JDWP_ERROR(OUT_OF_MEMORY)); |
| 56 | } else { |
| 57 | (void)memset(ptr, 0, length*nbytes); |
| 58 | } |
| 59 | } |
| 60 | return ptr; |
| 61 | } |
| 62 | |
| 63 | static void |
| 64 | deleteComponents(void *ptr) |
| 65 | { |
| 66 | jvmtiDeallocate(ptr); |
| 67 | } |
| 68 | |
| 69 | static void |
| 70 | writeBooleanComponents(JNIEnv *env, PacketOutputStream *out, |
| 71 | jarray array, jint index, jint length) |
| 72 | { |
| 73 | jboolean *components; |
| 74 | |
| 75 | components = newComponents(out, length, sizeof(jboolean)); |
| 76 | if (components != NULL) { |
| 77 | jint i; |
| 78 | JNI_FUNC_PTR(env,GetBooleanArrayRegion)(env, array, index, length, components); |
| 79 | for (i = 0; i < length; i++) { |
| 80 | (void)outStream_writeBoolean(out, components[i]); |
| 81 | } |
| 82 | deleteComponents(components); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | static void |
| 87 | writeByteComponents(JNIEnv *env, PacketOutputStream *out, |
| 88 | jarray array, jint index, jint length) |
| 89 | { |
| 90 | jbyte *components; |
| 91 | |
| 92 | components = newComponents(out, length, sizeof(jbyte)); |
| 93 | if (components != NULL) { |
| 94 | jint i; |
| 95 | JNI_FUNC_PTR(env,GetByteArrayRegion)(env, array, index, length, components); |
| 96 | for (i = 0; i < length; i++) { |
| 97 | (void)outStream_writeByte(out, components[i]); |
| 98 | } |
| 99 | deleteComponents(components); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | static void |
| 104 | writeCharComponents(JNIEnv *env, PacketOutputStream *out, |
| 105 | jarray array, jint index, jint length) |
| 106 | { |
| 107 | jchar *components; |
| 108 | |
| 109 | components = newComponents(out, length, sizeof(jchar)); |
| 110 | if (components != NULL) { |
| 111 | jint i; |
| 112 | JNI_FUNC_PTR(env,GetCharArrayRegion)(env, array, index, length, components); |
| 113 | for (i = 0; i < length; i++) { |
| 114 | (void)outStream_writeChar(out, components[i]); |
| 115 | } |
| 116 | deleteComponents(components); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | static void |
| 121 | writeShortComponents(JNIEnv *env, PacketOutputStream *out, |
| 122 | jarray array, jint index, jint length) |
| 123 | { |
| 124 | jshort *components; |
| 125 | |
| 126 | components = newComponents(out, length, sizeof(jshort)); |
| 127 | if (components != NULL) { |
| 128 | jint i; |
| 129 | JNI_FUNC_PTR(env,GetShortArrayRegion)(env, array, index, length, components); |
| 130 | for (i = 0; i < length; i++) { |
| 131 | (void)outStream_writeShort(out, components[i]); |
| 132 | } |
| 133 | deleteComponents(components); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | static void |
| 138 | writeIntComponents(JNIEnv *env, PacketOutputStream *out, |
| 139 | jarray array, jint index, jint length) |
| 140 | { |
| 141 | jint *components; |
| 142 | |
| 143 | components = newComponents(out, length, sizeof(jint)); |
| 144 | if (components != NULL) { |
| 145 | jint i; |
| 146 | JNI_FUNC_PTR(env,GetIntArrayRegion)(env, array, index, length, components); |
| 147 | for (i = 0; i < length; i++) { |
| 148 | (void)outStream_writeInt(out, components[i]); |
| 149 | } |
| 150 | deleteComponents(components); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | static void |
| 155 | writeLongComponents(JNIEnv *env, PacketOutputStream *out, |
| 156 | jarray array, jint index, jint length) |
| 157 | { |
| 158 | jlong *components; |
| 159 | |
| 160 | components = newComponents(out, length, sizeof(jlong)); |
| 161 | if (components != NULL) { |
| 162 | jint i; |
| 163 | JNI_FUNC_PTR(env,GetLongArrayRegion)(env, array, index, length, components); |
| 164 | for (i = 0; i < length; i++) { |
| 165 | (void)outStream_writeLong(out, components[i]); |
| 166 | } |
| 167 | deleteComponents(components); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | static void |
| 172 | writeFloatComponents(JNIEnv *env, PacketOutputStream *out, |
| 173 | jarray array, jint index, jint length) |
| 174 | { |
| 175 | jfloat *components; |
| 176 | |
| 177 | components = newComponents(out, length, sizeof(jfloat)); |
| 178 | if (components != NULL) { |
| 179 | jint i; |
| 180 | JNI_FUNC_PTR(env,GetFloatArrayRegion)(env, array, index, length, components); |
| 181 | for (i = 0; i < length; i++) { |
| 182 | (void)outStream_writeFloat(out, components[i]); |
| 183 | } |
| 184 | deleteComponents(components); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | static void |
| 189 | writeDoubleComponents(JNIEnv *env, PacketOutputStream *out, |
| 190 | jarray array, jint index, jint length) |
| 191 | { |
| 192 | jdouble *components; |
| 193 | |
| 194 | components = newComponents(out, length, sizeof(jdouble)); |
| 195 | if (components != NULL) { |
| 196 | jint i; |
| 197 | JNI_FUNC_PTR(env,GetDoubleArrayRegion)(env, array, index, length, components); |
| 198 | for (i = 0; i < length; i++) { |
| 199 | (void)outStream_writeDouble(out, components[i]); |
| 200 | } |
| 201 | deleteComponents(components); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | static void |
| 206 | writeObjectComponents(JNIEnv *env, PacketOutputStream *out, |
| 207 | jarray array, jint index, jint length) |
| 208 | { |
| 209 | |
| 210 | WITH_LOCAL_REFS(env, length) { |
| 211 | |
| 212 | int i; |
| 213 | jobject component; |
| 214 | |
| 215 | for (i = 0; i < length; i++) { |
| 216 | component = JNI_FUNC_PTR(env,GetObjectArrayElement)(env, array, index + i); |
| 217 | if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { |
| 218 | /* cleared by caller */ |
| 219 | break; |
| 220 | } |
| 221 | (void)outStream_writeByte(out, specificTypeKey(env, component)); |
| 222 | (void)outStream_writeObjectRef(env, out, component); |
| 223 | } |
| 224 | |
| 225 | } END_WITH_LOCAL_REFS(env); |
| 226 | } |
| 227 | |
| 228 | static jboolean |
| 229 | getValues(PacketInputStream *in, PacketOutputStream *out) |
| 230 | { |
| 231 | JNIEnv *env = getEnv(); |
| 232 | jint arrayLength; |
| 233 | jarray array; |
| 234 | jint index; |
| 235 | jint length; |
| 236 | |
| 237 | array = inStream_readArrayRef(env, in); |
| 238 | if (inStream_error(in)) { |
| 239 | return JNI_TRUE; |
| 240 | } |
| 241 | index = inStream_readInt(in); |
| 242 | if (inStream_error(in)) { |
| 243 | return JNI_TRUE; |
| 244 | } |
| 245 | length = inStream_readInt(in); |
| 246 | if (inStream_error(in)) { |
| 247 | return JNI_TRUE; |
| 248 | } |
| 249 | |
| 250 | arrayLength = JNI_FUNC_PTR(env,GetArrayLength)(env, array); |
| 251 | |
| 252 | if (length == -1) { |
| 253 | length = arrayLength - index; |
| 254 | } |
| 255 | |
| 256 | if ((index < 0) || (index > arrayLength - 1)) { |
| 257 | outStream_setError(out, JDWP_ERROR(INVALID_INDEX)); |
| 258 | return JNI_TRUE; |
| 259 | } |
| 260 | |
| 261 | if ((length < 0) || (length + index > arrayLength)) { |
| 262 | outStream_setError(out, JDWP_ERROR(INVALID_LENGTH)); |
| 263 | return JNI_TRUE; |
| 264 | } |
| 265 | |
| 266 | WITH_LOCAL_REFS(env, 1) { |
| 267 | |
| 268 | jclass arrayClass; |
| 269 | char *signature = NULL; |
| 270 | char *componentSignature; |
| 271 | jbyte typeKey; |
| 272 | jvmtiError error; |
| 273 | |
| 274 | arrayClass = JNI_FUNC_PTR(env,GetObjectClass)(env, array); |
| 275 | error = classSignature(arrayClass, &signature, NULL); |
| 276 | if (error != JVMTI_ERROR_NONE) { |
| 277 | goto err; |
| 278 | } |
| 279 | componentSignature = &signature[1]; |
| 280 | typeKey = componentSignature[0]; |
| 281 | |
| 282 | (void)outStream_writeByte(out, typeKey); |
| 283 | (void)outStream_writeInt(out, length); |
| 284 | |
| 285 | if (isObjectTag(typeKey)) { |
| 286 | writeObjectComponents(env, out, array, index, length); |
| 287 | } else { |
| 288 | switch (typeKey) { |
| 289 | case JDWP_TAG(BYTE): |
| 290 | writeByteComponents(env, out, array, index, length); |
| 291 | break; |
| 292 | |
| 293 | case JDWP_TAG(CHAR): |
| 294 | writeCharComponents(env, out, array, index, length); |
| 295 | break; |
| 296 | |
| 297 | case JDWP_TAG(FLOAT): |
| 298 | writeFloatComponents(env, out, array, index, length); |
| 299 | break; |
| 300 | |
| 301 | case JDWP_TAG(DOUBLE): |
| 302 | writeDoubleComponents(env, out, array, index, length); |
| 303 | break; |
| 304 | |
| 305 | case JDWP_TAG(INT): |
| 306 | writeIntComponents(env, out, array, index, length); |
| 307 | break; |
| 308 | |
| 309 | case JDWP_TAG(LONG): |
| 310 | writeLongComponents(env, out, array, index, length); |
| 311 | break; |
| 312 | |
| 313 | case JDWP_TAG(SHORT): |
| 314 | writeShortComponents(env, out, array, index, length); |
| 315 | break; |
| 316 | |
| 317 | case JDWP_TAG(BOOLEAN): |
| 318 | writeBooleanComponents(env, out, array, index, length); |
| 319 | break; |
| 320 | |
| 321 | default: |
| 322 | outStream_setError(out, JDWP_ERROR(INVALID_TAG)); |
| 323 | break; |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | jvmtiDeallocate(signature); |
| 328 | |
| 329 | err:; |
| 330 | |
| 331 | } END_WITH_LOCAL_REFS(env); |
| 332 | |
| 333 | if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { |
| 334 | outStream_setError(out, JDWP_ERROR(INTERNAL)); |
| 335 | JNI_FUNC_PTR(env,ExceptionClear)(env); |
| 336 | } |
| 337 | |
| 338 | return JNI_TRUE; |
| 339 | } |
| 340 | |
| 341 | static jdwpError |
| 342 | readBooleanComponents(JNIEnv *env, PacketInputStream *in, |
| 343 | jarray array, int index, int length) |
| 344 | { |
| 345 | int i; |
| 346 | jboolean component; |
| 347 | |
| 348 | for (i = 0; (i < length) && !inStream_error(in); i++) { |
| 349 | component = inStream_readBoolean(in); |
| 350 | JNI_FUNC_PTR(env,SetBooleanArrayRegion)(env, array, index + i, 1, &component); |
| 351 | } |
| 352 | return inStream_error(in); |
| 353 | } |
| 354 | |
| 355 | static jdwpError |
| 356 | readByteComponents(JNIEnv *env, PacketInputStream *in, |
| 357 | jarray array, int index, int length) |
| 358 | { |
| 359 | int i; |
| 360 | jbyte component; |
| 361 | |
| 362 | for (i = 0; (i < length) && !inStream_error(in); i++) { |
| 363 | component = inStream_readByte(in); |
| 364 | JNI_FUNC_PTR(env,SetByteArrayRegion)(env, array, index + i, 1, &component); |
| 365 | } |
| 366 | return inStream_error(in); |
| 367 | } |
| 368 | |
| 369 | static jdwpError |
| 370 | readCharComponents(JNIEnv *env, PacketInputStream *in, |
| 371 | jarray array, int index, int length) |
| 372 | { |
| 373 | int i; |
| 374 | jchar component; |
| 375 | |
| 376 | for (i = 0; (i < length) && !inStream_error(in); i++) { |
| 377 | component = inStream_readChar(in); |
| 378 | JNI_FUNC_PTR(env,SetCharArrayRegion)(env, array, index + i, 1, &component); |
| 379 | } |
| 380 | return inStream_error(in); |
| 381 | } |
| 382 | |
| 383 | static jdwpError |
| 384 | readShortComponents(JNIEnv *env, PacketInputStream *in, |
| 385 | jarray array, int index, int length) |
| 386 | { |
| 387 | int i; |
| 388 | jshort component; |
| 389 | |
| 390 | for (i = 0; (i < length) && !inStream_error(in); i++) { |
| 391 | component = inStream_readShort(in); |
| 392 | JNI_FUNC_PTR(env,SetShortArrayRegion)(env, array, index + i, 1, &component); |
| 393 | } |
| 394 | return inStream_error(in); |
| 395 | } |
| 396 | |
| 397 | static jdwpError |
| 398 | readIntComponents(JNIEnv *env, PacketInputStream *in, |
| 399 | jarray array, int index, int length) |
| 400 | { |
| 401 | int i; |
| 402 | jint component; |
| 403 | |
| 404 | for (i = 0; (i < length) && !inStream_error(in); i++) { |
| 405 | component = inStream_readInt(in); |
| 406 | JNI_FUNC_PTR(env,SetIntArrayRegion)(env, array, index + i, 1, &component); |
| 407 | } |
| 408 | return inStream_error(in); |
| 409 | } |
| 410 | |
| 411 | static jdwpError |
| 412 | readLongComponents(JNIEnv *env, PacketInputStream *in, |
| 413 | jarray array, int index, int length) |
| 414 | { |
| 415 | int i; |
| 416 | jlong component; |
| 417 | |
| 418 | for (i = 0; (i < length) && !inStream_error(in); i++) { |
| 419 | component = inStream_readLong(in); |
| 420 | JNI_FUNC_PTR(env,SetLongArrayRegion)(env, array, index + i, 1, &component); |
| 421 | } |
| 422 | return inStream_error(in); |
| 423 | } |
| 424 | |
| 425 | static jdwpError |
| 426 | readFloatComponents(JNIEnv *env, PacketInputStream *in, |
| 427 | jarray array, int index, int length) |
| 428 | { |
| 429 | int i; |
| 430 | jfloat component; |
| 431 | |
| 432 | for (i = 0; (i < length) && !inStream_error(in); i++) { |
| 433 | component = inStream_readFloat(in); |
| 434 | JNI_FUNC_PTR(env,SetFloatArrayRegion)(env, array, index + i, 1, &component); |
| 435 | } |
| 436 | return inStream_error(in); |
| 437 | } |
| 438 | |
| 439 | static jdwpError |
| 440 | readDoubleComponents(JNIEnv *env, PacketInputStream *in, |
| 441 | jarray array, int index, int length) |
| 442 | { |
| 443 | int i; |
| 444 | jdouble component; |
| 445 | |
| 446 | for (i = 0; (i < length) && !inStream_error(in); i++) { |
| 447 | component = inStream_readDouble(in); |
| 448 | JNI_FUNC_PTR(env,SetDoubleArrayRegion)(env, array, index + i, 1, &component); |
| 449 | } |
| 450 | return inStream_error(in); |
| 451 | } |
| 452 | |
| 453 | |
| 454 | static jdwpError |
| 455 | readObjectComponents(JNIEnv *env, PacketInputStream *in, |
| 456 | jarray array, int index, int length) |
| 457 | /* char *componentSignature) */ |
| 458 | { |
| 459 | int i; |
| 460 | |
| 461 | for (i = 0; i < length; i++) { |
| 462 | jobject object = inStream_readObjectRef(env, in); |
| 463 | |
| 464 | JNI_FUNC_PTR(env,SetObjectArrayElement)(env, array, index + i, object); |
| 465 | if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { |
| 466 | /* caller will clear */ |
| 467 | break; |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | return JDWP_ERROR(NONE); |
| 472 | } |
| 473 | |
| 474 | |
| 475 | static jboolean |
| 476 | setValues(PacketInputStream *in, PacketOutputStream *out) |
| 477 | { |
| 478 | JNIEnv *env = getEnv(); |
| 479 | jdwpError serror = JDWP_ERROR(NONE); |
| 480 | int arrayLength; |
| 481 | jarray array; |
| 482 | jint index; |
| 483 | jint length; |
| 484 | |
| 485 | array = inStream_readArrayRef(env, in); |
| 486 | if (inStream_error(in)) { |
| 487 | return JNI_TRUE; |
| 488 | } |
| 489 | index = inStream_readInt(in); |
| 490 | if (inStream_error(in)) { |
| 491 | return JNI_TRUE; |
| 492 | } |
| 493 | length = inStream_readInt(in); |
| 494 | if (inStream_error(in)) { |
| 495 | return JNI_TRUE; |
| 496 | } |
| 497 | |
| 498 | arrayLength = JNI_FUNC_PTR(env,GetArrayLength)(env, array); |
| 499 | |
| 500 | if ((index < 0) || (index > arrayLength - 1)) { |
| 501 | outStream_setError(out, JDWP_ERROR(INVALID_INDEX)); |
| 502 | return JNI_TRUE; |
| 503 | } |
| 504 | |
| 505 | if ((length < 0) || (length + index > arrayLength)) { |
| 506 | outStream_setError(out, JDWP_ERROR(INVALID_LENGTH)); |
| 507 | return JNI_TRUE; |
| 508 | } |
| 509 | |
| 510 | WITH_LOCAL_REFS(env, 1) { |
| 511 | |
| 512 | jclass arrayClass; |
| 513 | char *signature = NULL; |
| 514 | char *componentSignature; |
| 515 | jvmtiError error; |
| 516 | |
| 517 | arrayClass = JNI_FUNC_PTR(env,GetObjectClass)(env, array); |
| 518 | error = classSignature(arrayClass, &signature, NULL); |
| 519 | if (error != JVMTI_ERROR_NONE) { |
| 520 | goto err; |
| 521 | } |
| 522 | componentSignature = &signature[1]; |
| 523 | |
| 524 | switch (componentSignature[0]) { |
| 525 | case JDWP_TAG(OBJECT): |
| 526 | case JDWP_TAG(ARRAY): |
| 527 | serror = readObjectComponents(env, in, array, index, length); |
| 528 | break; |
| 529 | |
| 530 | case JDWP_TAG(BYTE): |
| 531 | serror = readByteComponents(env, in, array, index, length); |
| 532 | break; |
| 533 | |
| 534 | case JDWP_TAG(CHAR): |
| 535 | serror = readCharComponents(env, in, array, index, length); |
| 536 | break; |
| 537 | |
| 538 | case JDWP_TAG(FLOAT): |
| 539 | serror = readFloatComponents(env, in, array, index, length); |
| 540 | break; |
| 541 | |
| 542 | case JDWP_TAG(DOUBLE): |
| 543 | serror = readDoubleComponents(env, in, array, index, length); |
| 544 | break; |
| 545 | |
| 546 | case JDWP_TAG(INT): |
| 547 | serror = readIntComponents(env, in, array, index, length); |
| 548 | break; |
| 549 | |
| 550 | case JDWP_TAG(LONG): |
| 551 | serror = readLongComponents(env, in, array, index, length); |
| 552 | break; |
| 553 | |
| 554 | case JDWP_TAG(SHORT): |
| 555 | serror = readShortComponents(env, in, array, index, length); |
| 556 | break; |
| 557 | |
| 558 | case JDWP_TAG(BOOLEAN): |
| 559 | serror = readBooleanComponents(env, in, array, index, length); |
| 560 | break; |
| 561 | |
| 562 | default: |
| 563 | { |
| 564 | ERROR_MESSAGE(("Invalid array component signature: %s", |
| 565 | componentSignature)); |
| 566 | EXIT_ERROR(AGENT_ERROR_INVALID_OBJECT,NULL); |
| 567 | } |
| 568 | break; |
| 569 | } |
| 570 | |
| 571 | jvmtiDeallocate(signature); |
| 572 | |
| 573 | err:; |
| 574 | |
| 575 | } END_WITH_LOCAL_REFS(env); |
| 576 | |
| 577 | if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { |
| 578 | /* |
| 579 | * TO DO: Check exception type |
| 580 | */ |
| 581 | serror = JDWP_ERROR(TYPE_MISMATCH); |
| 582 | JNI_FUNC_PTR(env,ExceptionClear)(env); |
| 583 | } |
| 584 | |
| 585 | outStream_setError(out, serror); |
| 586 | return JNI_TRUE; |
| 587 | } |
| 588 | |
| 589 | |
| 590 | void *ArrayReference_Cmds[] = { (void *)0x3 |
| 591 | ,(void *)length |
| 592 | ,(void *)getValues |
| 593 | ,(void *)setValues}; |