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