src/native/vm/sun_misc_Unsafe.cpp

   1 /* src/native/vm/sun_misc_Unsafe.cpp - sun/misc/Unsafe
   2
   3    Copyright (C) 2006, 2007, 2008
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #include "config.h"
  27
  28 #include <stdint.h>
  29 #include <unistd.h>
  30
  31 #include "threads/atomic.hpp"
  32
  33 #include "mm/memory.h"
  34
  35 #include "native/jni.h"
  36 #include "native/llni.h"
  37 #include "native/native.h"
  38
  39 #include "native/include/java_lang_Object.h"                  /* before c.l.C */
  40 #include "native/include/java_lang_String.h"            /* required by j.l.CL */
  41
  42 #if defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
  43 # include "native/include/java_nio_ByteBuffer.h"        /* required by j.l.CL */
  44 #endif
  45
  46 #include "native/include/java_lang_ClassLoader.h"        /* required by j.l.C */
  47 #include "native/include/java_lang_Class.h"
  48 #include "native/include/java_lang_reflect_Field.h"
  49 #include "native/include/java_lang_Thread.h"             /* required by s.m.U */
  50 #include "native/include/java_lang_Throwable.h"
  51
  52 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
  53 # include "native/include/java_lang_reflect_VMField.h"
  54 #endif
  55
  56 #include "native/include/java_security_ProtectionDomain.h" /* required by smU */
  57
  58 // FIXME
  59 extern "C" {
  60 #include "native/include/sun_misc_Unsafe.h"
  61 }
  62
  63 #include "vm/builtin.h"
  64 #include "vm/exceptions.hpp"
  65 #include "vm/initialize.h"
  66 #include "vm/stringlocal.h"
  67
  68 #include "vmcore/system.h"
  69 #include "vmcore/utf8.h"
  70
  71
  72 // Native functions are exported as C functions.
  73 extern "C" {
  74
  75 /*
  76  * Class:     sun/misc/Unsafe
  77  * Method:    registerNatives
  78  * Signature: ()V
  79  */
  80 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_registerNatives(JNIEnv *env, jclass clazz)
  81 {
  82         /* The native methods of this function are already registered in
  83            _Jv_sun_misc_Unsafe_init() which is called during VM
  84            startup. */
  85 }
  86
  87
  88 /*
  89  * Class:     sun/misc/Unsafe
  90  * Method:    getInt
  91  * Signature: (Ljava/lang/Object;J)I
  92  */
  93 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
  94 {
  95         int32_t *p;
  96         int32_t  value;
  97
  98         p = (int32_t *) (((uint8_t *) o) + offset);
  99
 100         value = *p;
 101
 102         return value;
 103 }
 104
 105
 106 /*
 107  * Class:     sun/misc/Unsafe
 108  * Method:    putInt
 109  * Signature: (Ljava/lang/Object;JI)V
 110  */
 111 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int32_t x)
 112 {
 113         int32_t *p;
 114
 115         p = (int32_t *) (((uint8_t *) o) + offset);
 116
 117         *p = x;
 118 }
 119
 120
 121 /*
 122  * Class:     sun/misc/Unsafe
 123  * Method:    getObject
 124  * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
 125  */
 126 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObject(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
 127 {
 128         void **p;
 129         void  *value;
 130
 131         p = (void **) (((uint8_t *) o) + offset);
 132
 133         value = *p;
 134
 135         return (java_lang_Object*) value;
 136 }
 137
 138
 139 /*
 140  * Class:     sun/misc/Unsafe
 141  * Method:    putObject
 142  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
 143  */
 144 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObject(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
 145 {
 146         void **p;
 147
 148         p = (void **) (((uint8_t *) o) + offset);
 149
 150         *p = (void *) x;
 151 }
 152
 153
 154 /*
 155  * Class:     sun/misc/Unsafe
 156  * Method:    getBoolean
 157  * Signature: (Ljava/lang/Object;J)Z
 158  */
 159 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getBoolean(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
 160 {
 161         int32_t *p;
 162         int32_t  value;
 163
 164         p = (int32_t *) (((uint8_t *) o) + offset);
 165
 166         value = *p;
 167
 168         return value;
 169 }
 170
 171
 172 /*
 173  * Class:     sun/misc/Unsafe
 174  * Method:    putBoolean
 175  * Signature: (Ljava/lang/Object;JZ)V
 176  */
 177 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putBoolean(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int32_t x)
 178 {
 179         int32_t *p;
 180
 181         p = (int32_t *) (((uint8_t *) o) + offset);
 182
 183         *p = x;
 184 }
 185
 186
 187 /*
 188  * Class:     sun/misc/Unsafe
 189  * Method:    getByte
 190  * Signature: (Ljava/lang/Object;J)B
 191  */
 192 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
 193 {
 194         int32_t *p;
 195         int32_t  value;
 196
 197         p = (int32_t *) (((uint8_t *) o) + offset);
 198
 199         value = *p;
 200
 201         return value;
 202 }
 203
 204
 205 /*
 206  * Class:     sun/misc/Unsafe
 207  * Method:    putByte
 208  * Signature: (Ljava/lang/Object;JB)V
 209  */
 210 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int32_t x)
 211 {
 212         int32_t *p;
 213
 214         p = (int32_t *) (((uint8_t *) o) + offset);
 215
 216         *p = x;
 217 }
 218
 219
 220 /*
 221  * Class:     sun/misc/Unsafe
 222  * Method:    getShort
 223  * Signature: (Ljava/lang/Object;J)S
 224  */
 225 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getShort__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
 226 {
 227         int32_t *p;
 228         int32_t  value;
 229
 230         p = (int32_t *) (((uint8_t *) o) + offset);
 231
 232         value = *p;
 233
 234         return value;
 235 }
 236
 237
 238 /*
 239  * Class:     sun/misc/Unsafe
 240  * Method:    putShort
 241  * Signature: (Ljava/lang/Object;JS)V
 242  */
 243 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int32_t x)
 244 {
 245         int32_t *p;
 246
 247         p = (int32_t *) (((uint8_t *) o) + offset);
 248
 249         *p = x;
 250 }
 251
 252
 253 /*
 254  * Class:     sun/misc/Unsafe
 255  * Method:    getChar
 256  * Signature: (Ljava/lang/Object;J)C
 257  */
 258 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
 259 {
 260         int32_t *p;
 261         int32_t  value;
 262
 263         p = (int32_t *) (((uint8_t *) o) + offset);
 264
 265         value = *p;
 266
 267         return value;
 268 }
 269
 270
 271 /*
 272  * Class:     sun/misc/Unsafe
 273  * Method:    putChar
 274  * Signature: (Ljava/lang/Object;JC)V
 275  */
 276 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int32_t x)
 277 {
 278         int32_t *p;
 279
 280         p = (int32_t *) (((uint8_t *) o) + offset);
 281
 282         *p = x;
 283 }
 284
 285
 286 /*
 287  * Class:     sun/misc/Unsafe
 288  * Method:    getLong
 289  * Signature: (Ljava/lang/Object;J)J
 290  */
 291 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLong__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
 292 {
 293         int64_t *p;
 294         int64_t  value;
 295
 296         p = (int64_t *) (((uint8_t *) o) + offset);
 297
 298         value = *p;
 299
 300         return value;
 301 }
 302
 303
 304 /*
 305  * Class:     sun/misc/Unsafe
 306  * Method:    putLong
 307  * Signature: (Ljava/lang/Object;JJ)V
 308  */
 309 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong__Ljava_lang_Object_2JJ(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int64_t x)
 310 {
 311         int64_t *p;
 312
 313         p = (int64_t *) (((uint8_t *) o) + offset);
 314
 315         *p = x;
 316 }
 317
 318
 319 /*
 320  * Class:     sun/misc/Unsafe
 321  * Method:    getFloat
 322  * Signature: (Ljava/lang/Object;J)F
 323  */
 324 JNIEXPORT float JNICALL Java_sun_misc_Unsafe_getFloat__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
 325 {
 326         float *p;
 327         float  value;
 328
 329         p = (float *) (((uint8_t *) o) + offset);
 330
 331         value = *p;
 332
 333         return value;
 334 }
 335
 336
 337 /*
 338  * Class:     sun/misc/Unsafe
 339  * Method:    putFloat
 340  * Signature: (Ljava/lang/Object;JF)V
 341  */
 342 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, float x)
 343 {
 344         float *p;
 345
 346         p = (float *) (((uint8_t *) o) + offset);
 347
 348         *p = x;
 349 }
 350
 351
 352 /*
 353  * Class:     sun/misc/Unsafe
 354  * Method:    getDouble
 355  * Signature: (Ljava/lang/Object;J)D
 356  */
 357 JNIEXPORT double JNICALL Java_sun_misc_Unsafe_getDouble__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
 358 {
 359         double *p;
 360         double  value;
 361
 362         p = (double *) (((uint8_t *) o) + offset);
 363
 364         value = *p;
 365
 366         return value;
 367 }
 368
 369
 370 /*
 371  * Class:     sun/misc/Unsafe
 372  * Method:    putDouble
 373  * Signature: (Ljava/lang/Object;JD)V
 374  */
 375 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putDouble__Ljava_lang_Object_2JD(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, double x)
 376 {
 377         double *p;
 378
 379         p = (double *) (((uint8_t *) o) + offset);
 380
 381         *p = x;
 382 }
 383
 384
 385 /*
 386  * Class:     sun/misc/Unsafe
 387  * Method:    getByte
 388  * Signature: (J)B
 389  */
 390 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getByte__J(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address)
 391 {
 392         int8_t *p;
 393         int8_t  value;
 394
 395         p = (int8_t *) (intptr_t) address;
 396
 397         value = *p;
 398
 399         return (int32_t) value;
 400 }
 401
 402
 403 /*
 404  * Class:     sun/misc/Unsafe
 405  * Method:    putByte
 406  * Signature: (JB)V
 407  */
 408 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putByte__JB(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address, int32_t value)
 409 {
 410         int8_t *p;
 411
 412         p = (int8_t *) (intptr_t) address;
 413
 414         *p = (int8_t) value;
 415 }
 416
 417
 418 /*
 419  * Class:     sun/misc/Unsafe
 420  * Method:    getShort
 421  * Signature: (J)S
 422  */
 423 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getShort__J(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address)
 424 {
 425         int16_t *p;
 426         int16_t  value;
 427
 428         p = (int16_t *) (intptr_t) address;
 429
 430         value = *p;
 431
 432         return (int32_t) value;
 433 }
 434
 435
 436 /*
 437  * Class:     sun/misc/Unsafe
 438  * Method:    putShort
 439  * Signature: (JS)V
 440  */
 441 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putShort__JS(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address, int32_t value)
 442 {
 443         int16_t *p;
 444
 445         p = (int16_t *) (intptr_t) address;
 446
 447         *p = (int16_t) value;
 448 }
 449
 450
 451 /*
 452  * Class:     sun/misc/Unsafe
 453  * Method:    getChar
 454  * Signature: (J)C
 455  */
 456 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getChar__J(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address)
 457 {
 458         uint16_t *p;
 459         uint16_t  value;
 460
 461         p = (uint16_t *) (intptr_t) address;
 462
 463         value = *p;
 464
 465         return (int32_t) value;
 466 }
 467
 468
 469 /*
 470  * Class:     sun/misc/Unsafe
 471  * Method:    putChar
 472  * Signature: (JC)V
 473  */
 474 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putChar__JC(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address, int32_t value)
 475 {
 476         uint16_t *p;
 477
 478         p = (uint16_t *) (intptr_t) address;
 479
 480         *p = (uint16_t) value;
 481 }
 482
 483
 484 /*
 485  * Class:     sun/misc/Unsafe
 486  * Method:    getInt
 487  * Signature: (J)I
 488  */
 489 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getInt__J(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address)
 490 {
 491         int32_t *p;
 492         int32_t  value;
 493
 494         p = (int32_t *) (intptr_t) address;
 495
 496         value = *p;
 497
 498         return value;
 499 }
 500
 501
 502 /*
 503  * Class:     sun/misc/Unsafe
 504  * Method:    putInt
 505  * Signature: (JI)V
 506  */
 507 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__JI(JNIEnv *env, struct sun_misc_Unsafe* _this, int64_t address, int32_t value)
 508 {
 509         int32_t *p;
 510
 511         p = (int32_t *) (intptr_t) address;
 512
 513         *p = value;
 514 }
 515
 516
 517 /*
 518  * Class:     sun/misc/Unsafe
 519  * Method:    getLong
 520  * Signature: (J)J
 521  */
 522 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLong__J(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address)
 523 {
 524         int64_t *p;
 525         int64_t  value;
 526
 527         p = (int64_t *) (intptr_t) address;
 528
 529         value = *p;
 530
 531         return value;
 532 }
 533
 534
 535 /*
 536  * Class:     sun/misc/Unsafe
 537  * Method:    putLong
 538  * Signature: (JJ)V
 539  */
 540 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong__JJ(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address, int64_t value)
 541 {
 542         int64_t *p;
 543
 544         p = (int64_t *) (intptr_t) address;
 545
 546         *p = value;
 547 }
 548
 549
 550 /*
 551  * Class:     sun/misc/Unsafe
 552  * Method:    getFloat
 553  * Signature: (J)F
 554  */
 555 JNIEXPORT float JNICALL Java_sun_misc_Unsafe_getFloat__J(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address)
 556 {
 557         float *p;
 558         float  value;
 559
 560         p = (float *) (intptr_t) address;
 561
 562         value = *p;
 563
 564         return value;
 565 }
 566
 567
 568 /*
 569  * Class:     sun/misc/Unsafe
 570  * Method:    putFloat
 571  * Signature: (JF)V
 572  */
 573 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putFloat__JF(JNIEnv *env, struct sun_misc_Unsafe* __this, int64_t address, float value)
 574 {
 575         float* p;
 576
 577         p = (float*) (intptr_t) address;
 578
 579         *p = value;
 580 }
 581
 582
 583 /*
 584  * Class:     sun/misc/Unsafe
 585  * Method:    objectFieldOffset
 586  * Signature: (Ljava/lang/reflect/Field;)J
 587  */
 588 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_objectFieldOffset(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_reflect_Field *field)
 589 {
 590         classinfo *c;
 591         fieldinfo *f;
 592         int32_t    slot;
 593
 594 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 595         java_lang_reflect_VMField *rvmf;
 596 #endif
 597
 598 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 599
 600         LLNI_field_get_ref(field, f,     rvmf);
 601         LLNI_field_get_cls(rvmf,  clazz, c);
 602         LLNI_field_get_val(rvmf,  slot , slot);
 603
 604 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
 605
 606         LLNI_field_get_cls(field, clazz, c);
 607         LLNI_field_get_val(field, slot , slot);
 608
 609 #else
 610 # error unknown configuration
 611 #endif
 612
 613         f = &(c->fields[slot]);
 614
 615         return (int64_t) f->offset;
 616 }
 617
 618
 619 /*
 620  * Class:     sun/misc/Unsafe
 621  * Method:    allocateMemory
 622  * Signature: (J)J
 623  */
 624 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_allocateMemory(JNIEnv *env, sun_misc_Unsafe *_this, int64_t bytes)
 625 {
 626         size_t  length;
 627         void   *p;
 628
 629         length = (size_t) bytes;
 630
 631         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 632                 exceptions_throw_illegalargumentexception();
 633                 return 0;
 634         }
 635
 636         p = MNEW(uint8_t, length);
 637
 638         return (int64_t) (intptr_t) p;
 639 }
 640
 641
 642 #if 0
 643 /* OpenJDK 7 */
 644
 645 /*
 646  * Class:     sun/misc/Unsafe
 647  * Method:    setMemory
 648  * Signature: (Ljava/lang/Object;JJB)V
 649  */
 650 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int64_t bytes, int32_t value)
 651 {
 652         size_t  length;
 653         void   *p;
 654
 655         length = (size_t) bytes;
 656
 657         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 658                 exceptions_throw_illegalargumentexception();
 659                 return;
 660         }
 661
 662         /* XXX Missing LLNI: we need to unwrap _this object. */
 663
 664         p = (void *) (((uint8_t *) o) + offset);
 665
 666         /* XXX Not sure this is correct. */
 667
 668         system_memset(p, value, length);
 669 }
 670
 671
 672 /*
 673  * Class:     sun/misc/Unsafe
 674  * Method:    copyMemory
 675  * Signature: (Ljava/lang/Object;JLjava/lang/Object;JJ)V
 676  */
 677 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *srcBase, int64_t srcOffset, java_lang_Object *destBase, int64_t destOffset, int64_t bytes)
 678 {
 679         size_t  length;
 680         void   *src;
 681         void   *dest;
 682
 683         if (bytes == 0)
 684                 return;
 685
 686         length = (size_t) bytes;
 687
 688         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 689                 exceptions_throw_illegalargumentexception();
 690                 return;
 691         }
 692
 693         /* XXX Missing LLNI: We need to unwrap these objects. */
 694
 695         src  = (void *) (((uint8_t *) srcBase) + srcOffset);
 696         dest = (void *) (((uint8_t *) destBase) + destOffset);
 697
 698         system_memcpy(dest, src, length);
 699 }
 700 #else
 701 /*
 702  * Class:     sun/misc/Unsafe
 703  * Method:    setMemory
 704  * Signature: (JJB)V
 705  */
 706 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address, int64_t bytes, int32_t value)
 707 {
 708         size_t  length;
 709         void   *p;
 710
 711         length = (size_t) bytes;
 712
 713         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 714                 exceptions_throw_illegalargumentexception();
 715                 return;
 716         }
 717
 718         p = (void *) (intptr_t) address;
 719
 720         /* XXX Not sure this is correct. */
 721
 722         system_memset(p, value, length);
 723 }
 724
 725
 726 /*
 727  * Class:     sun/misc/Unsafe
 728  * Method:    copyMemory
 729  * Signature: (JJJ)V
 730  */
 731 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, sun_misc_Unsafe *_this, int64_t srcAddress, int64_t destAddress, int64_t bytes)
 732 {
 733         size_t  length;
 734         void   *src;
 735         void   *dest;
 736
 737         if (bytes == 0)
 738                 return;
 739
 740         length = (size_t) bytes;
 741
 742         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 743                 exceptions_throw_illegalargumentexception();
 744                 return;
 745         }
 746
 747         src  = (void *) (intptr_t) srcAddress;
 748         dest = (void *) (intptr_t) destAddress;
 749
 750         system_memcpy(dest, src, length);
 751 }
 752 #endif
 753
 754
 755 /*
 756  * Class:     sun/misc/Unsafe
 757  * Method:    freeMemory
 758  * Signature: (J)V
 759  */
 760 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_freeMemory(JNIEnv *env, sun_misc_Unsafe *_this, int64_t address)
 761 {
 762         void *p;
 763
 764         p = (void *) (intptr_t) address;
 765
 766         if (p == NULL)
 767                 return;
 768
 769         /* we pass length 1 to trick the free function */
 770
 771         MFREE(p, uint8_t, 1);
 772 }
 773
 774
 775 /*
 776  * Class:     sun/misc/Unsafe
 777  * Method:    staticFieldOffset
 778  * Signature: (Ljava/lang/reflect/Field;)J
 779  */
 780 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_staticFieldOffset(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_reflect_Field *f)
 781 {
 782         /* The offset of static fields is 0. */
 783
 784         return 0;
 785 }
 786
 787
 788 /*
 789  * Class:     sun/misc/Unsafe
 790  * Method:    staticFieldBase
 791  * Signature: (Ljava/lang/reflect/Field;)Ljava/lang/Object;
 792  */
 793 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_staticFieldBase(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_reflect_Field *rf)
 794 {
 795         classinfo *c;
 796         fieldinfo *f;
 797         int32_t    slot;
 798
 799 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 800         java_lang_reflect_VMField *rvmf;
 801 #endif
 802
 803 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 804
 805         LLNI_field_get_ref(rf,   f,     rvmf);
 806         LLNI_field_get_cls(rvmf, clazz, c);
 807         LLNI_field_get_val(rvmf, slot , slot);
 808
 809 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
 810
 811         LLNI_field_get_cls(rf, clazz, c);
 812         LLNI_field_get_val(rf, slot , slot);
 813
 814 #else
 815 # error unknown configuration
 816 #endif
 817
 818         f = &(c->fields[slot]);
 819
 820         return (java_lang_Object *) (f->value);
 821 }
 822
 823
 824 /*
 825  * Class:     sun/misc/Unsafe
 826  * Method:    ensureClassInitialized
 827  * Signature: (Ljava/lang/Class;)V
 828  */
 829 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_ensureClassInitialized(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Class *clazz)
 830 {
 831         classinfo *c;
 832
 833         c = LLNI_classinfo_unwrap(clazz);
 834
 835         if (!(c->state & CLASS_INITIALIZED))
 836                 initialize_class(c);
 837 }
 838
 839
 840 /*
 841  * Class:     sun/misc/Unsafe
 842  * Method:    arrayBaseOffset
 843  * Signature: (Ljava/lang/Class;)I
 844  */
 845 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayBaseOffset(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Class *arrayClass)
 846 {
 847         classinfo       *c;
 848         arraydescriptor *ad;
 849
 850         c  = LLNI_classinfo_unwrap(arrayClass);
 851         ad = c->vftbl->arraydesc;
 852
 853         if (ad == NULL) {
 854                 /* XXX does that exception exist? */
 855                 exceptions_throw_internalerror("java/lang/InvalidClassException");
 856                 return 0;
 857         }
 858
 859         return ad->dataoffset;
 860 }
 861
 862
 863 /*
 864  * Class:     sun/misc/Unsafe
 865  * Method:    arrayIndexScale
 866  * Signature: (Ljava/lang/Class;)I
 867  */
 868 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayIndexScale(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Class *arrayClass)
 869 {
 870         classinfo       *c;
 871         arraydescriptor *ad;
 872
 873         c  = LLNI_classinfo_unwrap(arrayClass);
 874         ad = c->vftbl->arraydesc;
 875
 876         if (ad == NULL) {
 877                 /* XXX does that exception exist? */
 878                 exceptions_throw_internalerror("java/lang/InvalidClassException");
 879                 return 0;
 880         }
 881
 882         return ad->componentsize;
 883 }
 884
 885
 886 /*
 887  * Class:     sun/misc/Unsafe
 888  * Method:    addressSize
 889  * Signature: ()I
 890  */
 891 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_addressSize(JNIEnv *env, sun_misc_Unsafe *_this)
 892 {
 893         return SIZEOF_VOID_P;
 894 }
 895
 896
 897 /*
 898  * Class:     sun/misc/Unsafe
 899  * Method:    pageSize
 900  * Signature: ()I
 901  */
 902 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_pageSize(JNIEnv *env, sun_misc_Unsafe *_this)
 903 {
 904         int sz;
 905
 906         sz = getpagesize();
 907
 908         return sz;
 909 }
 910
 911
 912 /*
 913  * Class:     sun/misc/Unsafe
 914  * Method:    defineClass
 915  * Signature: (Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;
 916  */
 917 JNIEXPORT java_lang_Class* JNICALL Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_String *name, java_handle_bytearray_t *b, int32_t off, int32_t len, java_lang_ClassLoader *loader, java_security_ProtectionDomain *protectionDomain)
 918 {
 919         classloader_t   *cl;
 920         utf             *utfname;
 921         classinfo       *c;
 922         java_lang_Class *o;
 923
 924         cl = loader_hashtable_classloader_add((java_handle_t *) loader);
 925
 926         /* check if data was passed */
 927
 928         if (b == NULL) {
 929                 exceptions_throw_nullpointerexception();
 930                 return NULL;
 931         }
 932
 933         /* check the indexes passed */
 934
 935         if ((off < 0) || (len < 0) || ((off + len) > LLNI_array_size(b))) {
 936                 exceptions_throw_arrayindexoutofboundsexception();
 937                 return NULL;
 938         }
 939
 940         if (name != NULL) {
 941                 /* convert '.' to '/' in java string */
 942
 943                 utfname = javastring_toutf((java_handle_t *) name, true);
 944         }
 945         else {
 946                 utfname = NULL;
 947         }
 948
 949         /* define the class */
 950
 951         c = class_define(utfname, cl, len, (uint8_t *) &(LLNI_array_direct(b, off)),
 952                                          (java_handle_t *) protectionDomain);
 953
 954         if (c == NULL)
 955                 return NULL;
 956
 957         /* for convenience */
 958
 959         o = LLNI_classinfo_wrap(c);
 960
 961 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 962         /* set ProtectionDomain */
 963
 964         LLNI_field_set_ref(o, pd, protectionDomain);
 965 #endif
 966
 967         return o;
 968 }
 969
 970
 971 /*
 972  * Class:     sun/misc/Unsafe
 973  * Method:    allocateInstance
 974  * Signature: (Ljava/lang/Class;)Ljava/lang/Object;
 975  */
 976 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_allocateInstance(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Class *cls)
 977 {
 978         classinfo     *c;
 979         java_handle_t *o;
 980
 981         c = LLNI_classinfo_unwrap(cls);
 982
 983         o = builtin_new(c);
 984
 985         return (java_lang_Object *) o;
 986 }
 987
 988
 989 /*
 990  * Class:     sun/misc/Unsafe
 991  * Method:    throwException
 992  * Signature: (Ljava/lang/Throwable;)V
 993  */
 994 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_throwException(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Throwable *ee)
 995 {
 996         java_handle_t *o;
 997
 998         o = (java_handle_t *) ee;
 999
1000         exceptions_set_exception(o);
1001 }
1002
1003
1004 /*
1005  * Class:     sun/misc/Unsafe
1006  * Method:    compareAndSwapObject
1007  * Signature: (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
1008  */
1009 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapObject(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, java_lang_Object *expected, java_lang_Object *x)
1010 {
1011         volatile void **p;
1012         void           *result;
1013
1014         /* XXX Use LLNI */
1015
1016         p = (volatile void **) (((uint8_t *) o) + offset);
1017
1018         result = Atomic::compare_and_swap(p, expected, x);
1019
1020         if (result == expected)
1021                 return true;
1022
1023         return false;
1024 }
1025
1026
1027 /*
1028  * Class:     sun/misc/Unsafe
1029  * Method:    compareAndSwapInt
1030  * Signature: (Ljava/lang/Object;JII)Z
1031  */
1032 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapInt(JNIEnv *env, sun_misc_Unsafe* _this, java_lang_Object* o, int64_t offset, int32_t expected, int32_t x)
1033 {
1034         uint32_t *p;
1035         uint32_t  result;
1036
1037         /* XXX Use LLNI */
1038
1039         p = (uint32_t *) (((uint8_t *) o) + offset);
1040
1041         result = Atomic::compare_and_swap(p, expected, x);
1042
1043         if (result == (uint32_t) expected)
1044                 return true;
1045
1046         return false;
1047 }
1048
1049
1050 /*
1051  * Class:     sun/misc/Unsafe
1052  * Method:    compareAndSwapLong
1053  * Signature: (Ljava/lang/Object;JJJ)Z
1054  */
1055 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapLong(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int64_t expected, int64_t x)
1056 {
1057         uint64_t *p;
1058         uint64_t  result;
1059
1060         /* XXX Use LLNI */
1061
1062         p = (uint64_t *) (((uint8_t *) o) + offset);
1063
1064         result = Atomic::compare_and_swap(p, expected, x);
1065
1066         if (result == (uint64_t) expected)
1067                 return true;
1068
1069         return false;
1070 }
1071
1072
1073 /*
1074  * Class:     sun/misc/Unsafe
1075  * Method:    getObjectVolatile
1076  * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
1077  */
1078 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObjectVolatile(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
1079 {
1080         volatile void **p;
1081         volatile void  *value;
1082
1083         p = (volatile void **) (((uint8_t *) o) + offset);
1084
1085         value = *p;
1086
1087         return (java_lang_Object *) value;
1088 }
1089
1090
1091 /*
1092  * Class:     sun/misc/Unsafe
1093  * Method:    putObjectVolatile
1094  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
1095  */
1096 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObjectVolatile(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
1097 {
1098         volatile void **p;
1099
1100         p = (volatile void **) (((uint8_t *) o) + offset);
1101
1102         *p = x;
1103 }
1104
1105
1106 #define UNSAFE_GET_VOLATILE(type)                                                       \
1107         java_handle_t *_h;                                                                              \
1108         java_object_t *_o;                                                                              \
1109         volatile type *_p;                                                                              \
1110         volatile type  _x;                                                                              \
1111                                                                                                                         \
1112         _h = (java_handle_t *) o;                                                               \
1113                                                                                                                         \
1114         LLNI_CRITICAL_START;                                                                    \
1115                                                                                                                         \
1116         _o = LLNI_UNWRAP(_h);                                                                   \
1117         _p = (volatile type *) (((uint8_t *) _o) + offset);             \
1118                                                                                                                         \
1119         _x = *_p;                                                                                               \
1120                                                                                                                         \
1121         LLNI_CRITICAL_END;                                                                              \
1122                                                                                                                         \
1123         return _x;
1124
1125
1126 #define UNSAFE_PUT_VOLATILE(type)                                                       \
1127         java_handle_t *_h;                                                                              \
1128         java_object_t *_o;                                                                              \
1129         volatile type *_p;                                                                              \
1130                                                                                                                         \
1131         _h = (java_handle_t *) o;                                                               \
1132                                                                                                                         \
1133         LLNI_CRITICAL_START;                                                                    \
1134                                                                                                                         \
1135         _o = LLNI_UNWRAP(_h);                                                                   \
1136         _p = (volatile type *) (((uint8_t *) _o) + offset);             \
1137                                                                                                                         \
1138         *_p = x;                                                                                                \
1139                                                                                                                         \
1140         Atomic::memory_barrier();                                                               \
1141                                                                                                                         \
1142         LLNI_CRITICAL_END;
1143
1144
1145 /*
1146  * Class:     sun/misc/Unsafe
1147  * Method:    getIntVolatile
1148  * Signature: (Ljava/lang/Object;J)I
1149  */
1150 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getIntVolatile(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
1151 {
1152         UNSAFE_GET_VOLATILE(int32_t);
1153 }
1154
1155
1156 /*
1157  * Class:     sun/misc/Unsafe
1158  * Method:    putIntVolatile
1159  * Signature: (Ljava/lang/Object;JI)V
1160  */
1161 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putIntVolatile(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int32_t x)
1162 {
1163         UNSAFE_PUT_VOLATILE(int32_t);
1164 }
1165
1166
1167 /*
1168  * Class:     sun/misc/Unsafe
1169  * Method:    getLongVolatile
1170  * Signature: (Ljava/lang/Object;J)J
1171  */
1172 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset)
1173 {
1174         UNSAFE_GET_VOLATILE(int64_t);
1175 }
1176
1177
1178 /*
1179  * Class:     sun/misc/Unsafe
1180  * Method:    putLongVolatile
1181  * Signature: (Ljava/lang/Object;JJ)V
1182  */
1183 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLongVolatile(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int64_t x)
1184 {
1185         UNSAFE_PUT_VOLATILE(int64_t);
1186 }
1187
1188
1189 /*
1190  * Class:     sun/misc/Unsafe
1191  * Method:    getDoubleVolatile
1192  * Signature: (Ljava/lang/Object;J)D
1193  */
1194 JNIEXPORT double JNICALL Java_sun_misc_Unsafe_getDoubleVolatile(JNIEnv *env, sun_misc_Unsafe* __this, java_lang_Object* o, int64_t offset)
1195 {
1196         UNSAFE_GET_VOLATILE(double);
1197 }
1198
1199
1200 /*
1201  * Class:     sun/misc/Unsafe
1202  * Method:    putOrderedObject
1203  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
1204  */
1205 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedObject(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
1206 {
1207         java_handle_t  *_h;
1208         java_handle_t  *_hx;
1209         java_object_t  *_o;
1210         java_object_t  *_x;
1211         volatile void **_p;
1212
1213         _h  = (java_handle_t *) o;
1214         _hx = (java_handle_t *) x;
1215
1216         LLNI_CRITICAL_START;
1217
1218         _o = LLNI_UNWRAP(_h);
1219         _x = LLNI_UNWRAP(_hx);
1220         _p = (volatile void **) (((uint8_t *) _o) + offset);
1221
1222         *_p = _x;
1223
1224         Atomic::memory_barrier();
1225
1226         LLNI_CRITICAL_END;
1227 }
1228
1229
1230 /*
1231  * Class:     sun/misc/Unsafe
1232  * Method:    putOrderedInt
1233  * Signature: (Ljava/lang/Object;JI)V
1234  */
1235 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedInt(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int32_t x)
1236 {
1237         UNSAFE_PUT_VOLATILE(int32_t);
1238 }
1239
1240
1241 /*
1242  * Class:     sun/misc/Unsafe
1243  * Method:    putOrderedLong
1244  * Signature: (Ljava/lang/Object;JJ)V
1245  */
1246 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedLong(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *o, int64_t offset, int64_t x)
1247 {
1248         UNSAFE_PUT_VOLATILE(int64_t);
1249 }
1250
1251
1252 /*
1253  * Class:     sun/misc/Unsafe
1254  * Method:    unpark
1255  * Signature: (Ljava/lang/Object;)V
1256  */
1257 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_unpark(JNIEnv *env, sun_misc_Unsafe *_this, java_lang_Object *thread)
1258 {
1259         /* XXX IMPLEMENT ME */
1260 }
1261
1262
1263 /*
1264  * Class:     sun/misc/Unsafe
1265  * Method:    park
1266  * Signature: (ZJ)V
1267  */
1268 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, sun_misc_Unsafe *_this, int32_t isAbsolute, int64_t time)
1269 {
1270         /* XXX IMPLEMENT ME */
1271 }
1272
1273 } // extern "C"
1274
1275
1276 /* native methods implemented by this file ************************************/
1277
1278 static JNINativeMethod methods[] = {
1279         { (char*) "registerNatives",        (char*) "()V",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_registerNatives                  },
1280         { (char*) "getInt",                 (char*) "(Ljava/lang/Object;J)I",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J     },
1281         { (char*) "putInt",                 (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI    },
1282         { (char*) "getObject",              (char*) "(Ljava/lang/Object;J)Ljava/lang/Object;",                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_getObject                        },
1283         { (char*) "putObject",              (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putObject                        },
1284         { (char*) "getBoolean",             (char*) "(Ljava/lang/Object;J)Z",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getBoolean                       },
1285         { (char*) "putBoolean",             (char*) "(Ljava/lang/Object;JZ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putBoolean                       },
1286         { (char*) "getByte",                (char*) "(Ljava/lang/Object;J)B",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J    },
1287         { (char*) "putByte",                (char*) "(Ljava/lang/Object;JB)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB   },
1288         { (char*) "getShort",               (char*) "(Ljava/lang/Object;J)S",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getShort__Ljava_lang_Object_2J   },
1289         { (char*) "putShort",               (char*) "(Ljava/lang/Object;JS)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS  },
1290         { (char*) "getChar",                (char*) "(Ljava/lang/Object;J)C",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J    },
1291         { (char*) "putChar",                (char*) "(Ljava/lang/Object;JC)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC   },
1292         { (char*) "getLong",                (char*) "(Ljava/lang/Object;J)J",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLong__Ljava_lang_Object_2J    },
1293         { (char*) "putLong",                (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLong__Ljava_lang_Object_2JJ   },
1294         { (char*) "getFloat",               (char*) "(Ljava/lang/Object;J)F",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getFloat__Ljava_lang_Object_2J   },
1295         { (char*) "putFloat",               (char*) "(Ljava/lang/Object;JF)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF  },
1296         { (char*) "getDouble",              (char*) "(Ljava/lang/Object;J)D",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getDouble__Ljava_lang_Object_2J  },
1297         { (char*) "putDouble",              (char*) "(Ljava/lang/Object;JD)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putDouble__Ljava_lang_Object_2JD },
1298         { (char*) "getByte",                (char*) "(J)B",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getByte__J                       },
1299         { (char*) "putByte",                (char*) "(JB)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putByte__JB                      },
1300         { (char*) "getShort",               (char*) "(J)S",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getShort__J                      },
1301         { (char*) "putShort",               (char*) "(JS)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putShort__JS                     },
1302         { (char*) "getChar",                (char*) "(J)C",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getChar__J                       },
1303         { (char*) "putChar",                (char*) "(JC)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putChar__JC                      },
1304         { (char*) "getInt",                 (char*) "(J)I",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getInt__J                        },
1305         { (char*) "putInt",                 (char*) "(JI)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putInt__JI                       },
1306         { (char*) "getLong",                (char*) "(J)J",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLong__J                       },
1307         { (char*) "putLong",                (char*) "(JJ)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLong__JJ                      },
1308         { (char*) "getFloat",               (char*) "(J)F",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getFloat__J                      },
1309         { (char*) "putFloat",               (char*) "(JF)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putFloat__JF                     },
1310         { (char*) "objectFieldOffset",      (char*) "(Ljava/lang/reflect/Field;)J",                               (void*) (uintptr_t) &Java_sun_misc_Unsafe_objectFieldOffset                },
1311         { (char*) "allocateMemory",         (char*) "(J)J",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_allocateMemory                   },
1312 #if 0
1313         // OpenJDK 7
1314         { (char*) "setMemory",              (char*) "(Ljava/lang/Object;JJB)V",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_setMemory                        },
1315         { (char*) "copyMemory",             (char*) "(Ljava/lang/Object;JLjava/lang/Object;JJ)V",                 (void*) (uintptr_t) &Java_sun_misc_Unsafe_copyMemory                       },
1316 #else
1317         { (char*) "setMemory",              (char*) "(JJB)V",                                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_setMemory                        },
1318         { (char*) "copyMemory",             (char*) "(JJJ)V",                                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_copyMemory                       },
1319 #endif
1320         { (char*) "freeMemory",             (char*) "(J)V",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_freeMemory                       },
1321         { (char*) "staticFieldOffset",      (char*) "(Ljava/lang/reflect/Field;)J",                               (void*) (uintptr_t) &Java_sun_misc_Unsafe_staticFieldOffset                },
1322         { (char*) "staticFieldBase",        (char*) "(Ljava/lang/reflect/Field;)Ljava/lang/Object;",              (void*) (uintptr_t) &Java_sun_misc_Unsafe_staticFieldBase                  },
1323         { (char*) "ensureClassInitialized", (char*) "(Ljava/lang/Class;)V",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_ensureClassInitialized           },
1324         { (char*) "arrayBaseOffset",        (char*) "(Ljava/lang/Class;)I",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_arrayBaseOffset                  },
1325         { (char*) "arrayIndexScale",        (char*) "(Ljava/lang/Class;)I",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_arrayIndexScale                  },
1326         { (char*) "addressSize",            (char*) "()I",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_addressSize                      },
1327         { (char*) "pageSize",               (char*) "()I",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_pageSize                         },
1328         { (char*) "defineClass",            (char*) "(Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;", (void*) (uintptr_t) &Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2 },
1329         { (char*) "allocateInstance",       (char*) "(Ljava/lang/Class;)Ljava/lang/Object;",                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_allocateInstance                 },
1330         { (char*) "throwException",         (char*) "(Ljava/lang/Throwable;)V",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_throwException                   },
1331         { (char*) "compareAndSwapObject",   (char*) "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapObject             },
1332         { (char*) "compareAndSwapInt",      (char*) "(Ljava/lang/Object;JII)Z",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapInt                },
1333         { (char*) "compareAndSwapLong",     (char*) "(Ljava/lang/Object;JJJ)Z",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapLong               },
1334         { (char*) "getObjectVolatile",      (char*) "(Ljava/lang/Object;J)Ljava/lang/Object;",                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_getObjectVolatile                },
1335         { (char*) "putObjectVolatile",      (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putObjectVolatile                },
1336         { (char*) "getIntVolatile",         (char*) "(Ljava/lang/Object;J)I",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getIntVolatile                   },
1337         { (char*) "putIntVolatile",         (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putIntVolatile                   },
1338         { (char*) "getLongVolatile",        (char*) "(Ljava/lang/Object;J)J",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLongVolatile                  },
1339         { (char*) "putLongVolatile",        (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLongVolatile                  },
1340         { (char*) "getDoubleVolatile",      (char*) "(Ljava/lang/Object;J)D",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getDoubleVolatile                },
1341         { (char*) "putOrderedObject",       (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedObject                 },
1342         { (char*) "putOrderedInt",          (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedInt                    },
1343         { (char*) "putOrderedLong",         (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedLong                   },
1344         { (char*) "unpark",                 (char*) "(Ljava/lang/Object;)V",                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_unpark                           },
1345         { (char*) "park",                   (char*) "(ZJ)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_park                             },
1346 };
1347
1348
1349 /* _Jv_sun_misc_Unsafe_init ****************************************************
1350
1351    Register native functions.
1352
1353 *******************************************************************************/
1354
1355 // FIXME
1356 extern "C" {
1357 void _Jv_sun_misc_Unsafe_init(void)
1358 {
1359         utf *u;
1360
1361         u = utf_new_char("sun/misc/Unsafe");
1362
1363         native_method_register(u, methods, NATIVE_METHODS_COUNT);
1364 }
1365 }
1366
1367 /*
1368  * These are local overrides for various environment variables in Emacs.
1369  * Please do not remove this and leave it at the end of the file, where
1370  * Emacs will automagically detect them.
1371  * ---------------------------------------------------------------------
1372  * Local variables:
1373  * mode: c++
1374  * indent-tabs-mode: t
1375  * c-basic-offset: 4
1376  * tab-width: 4
1377  * End:
1378  */