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