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:    objectFieldOffset
 485  * Signature: (Ljava/lang/reflect/Field;)J
 486  */
 487 JNIEXPORT jlong JNICALL Java_sun_misc_Unsafe_objectFieldOffset(JNIEnv *env, jobject _this, jobject field)
 488 {
 489 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 490
 491         java_lang_reflect_Field rf(field);
 492         java_lang_reflect_VMField rvmf(rf.get_f());
 493         fieldinfo* f = rvmf.get_field();
 494
 495 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
 496
 497         java_lang_reflect_Field rf(field);
 498         fieldinfo* f = rf.get_field();
 499
 500 #else
 501 # error unknown configuration
 502 #endif
 503
 504         return (jlong) f->offset;
 505 }
 506
 507
 508 /*
 509  * Class:     sun/misc/Unsafe
 510  * Method:    allocateMemory
 511  * Signature: (J)J
 512  */
 513 JNIEXPORT jlong JNICALL Java_sun_misc_Unsafe_allocateMemory(JNIEnv *env, jobject _this, jlong bytes)
 514 {
 515         size_t  length;
 516         void   *p;
 517
 518         length = (size_t) bytes;
 519
 520         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 521                 exceptions_throw_illegalargumentexception();
 522                 return 0;
 523         }
 524
 525         p = MNEW(uint8_t, length);
 526
 527         return (int64_t) (intptr_t) p;
 528 }
 529
 530
 531 #if 0
 532 /* OpenJDK 7 */
 533
 534 /*
 535  * Class:     sun/misc/Unsafe
 536  * Method:    setMemory
 537  * Signature: (Ljava/lang/Object;JJB)V
 538  */
 539 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, jobject _this, jobject o, jlong offset, jlong bytes, jbyte value)
 540 {
 541         size_t  length;
 542         void   *p;
 543
 544         length = (size_t) bytes;
 545
 546         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 547                 exceptions_throw_illegalargumentexception();
 548                 return;
 549         }
 550
 551         /* XXX Missing LLNI: we need to unwrap _this object. */
 552
 553         p = (void *) (((uint8_t *) o) + offset);
 554
 555         /* XXX Not sure this is correct. */
 556
 557         os::memset(p, value, length);
 558 }
 559
 560
 561 /*
 562  * Class:     sun/misc/Unsafe
 563  * Method:    copyMemory
 564  * Signature: (Ljava/lang/Object;JLjava/lang/Object;JJ)V
 565  */
 566 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, jobject _this, jobject srcBase, jlong srcOffset, jobject destBase, jlong destOffset, jlong bytes)
 567 {
 568         size_t  length;
 569         void   *src;
 570         void   *dest;
 571
 572         if (bytes == 0)
 573                 return;
 574
 575         length = (size_t) bytes;
 576
 577         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 578                 exceptions_throw_illegalargumentexception();
 579                 return;
 580         }
 581
 582         /* XXX Missing LLNI: We need to unwrap these objects. */
 583
 584         src  = (void *) (((uint8_t *) srcBase) + srcOffset);
 585         dest = (void *) (((uint8_t *) destBase) + destOffset);
 586
 587         os::memcpy(dest, src, length);
 588 }
 589 #else
 590 /*
 591  * Class:     sun/misc/Unsafe
 592  * Method:    setMemory
 593  * Signature: (JJB)V
 594  */
 595 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, jobject _this, jlong address, jlong bytes, jbyte value)
 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;
 605         }
 606
 607         p = (void *) (intptr_t) address;
 608
 609         /* XXX Not sure this is correct. */
 610
 611         os::memset(p, value, length);
 612 }
 613
 614
 615 /*
 616  * Class:     sun/misc/Unsafe
 617  * Method:    copyMemory
 618  * Signature: (JJJ)V
 619  */
 620 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, jobject _this, jlong srcAddress, jlong destAddress, jlong bytes)
 621 {
 622         size_t  length;
 623         void   *src;
 624         void   *dest;
 625
 626         if (bytes == 0)
 627                 return;
 628
 629         length = (size_t) bytes;
 630
 631         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 632                 exceptions_throw_illegalargumentexception();
 633                 return;
 634         }
 635
 636         src  = (void *) (intptr_t) srcAddress;
 637         dest = (void *) (intptr_t) destAddress;
 638
 639         os::memcpy(dest, src, length);
 640 }
 641 #endif
 642
 643
 644 /*
 645  * Class:     sun/misc/Unsafe
 646  * Method:    freeMemory
 647  * Signature: (J)V
 648  */
 649 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_freeMemory(JNIEnv *env, jobject _this, jlong address)
 650 {
 651         void *p;
 652
 653         p = (void *) (intptr_t) address;
 654
 655         if (p == NULL)
 656                 return;
 657
 658         /* we pass length 1 to trick the free function */
 659
 660         MFREE(p, uint8_t, 1);
 661 }
 662
 663
 664 /*
 665  * Class:     sun/misc/Unsafe
 666  * Method:    staticFieldOffset
 667  * Signature: (Ljava/lang/reflect/Field;)J
 668  */
 669 JNIEXPORT jlong JNICALL Java_sun_misc_Unsafe_staticFieldOffset(JNIEnv *env, jobject _this, jobject f)
 670 {
 671         /* The offset of static fields is 0. */
 672
 673         return 0;
 674 }
 675
 676
 677 /*
 678  * Class:     sun/misc/Unsafe
 679  * Method:    staticFieldBase
 680  * Signature: (Ljava/lang/reflect/Field;)Ljava/lang/Object;
 681  */
 682 JNIEXPORT jobject JNICALL Java_sun_misc_Unsafe_staticFieldBase(JNIEnv *env, jobject _this, jobject field)
 683 {
 684 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 685
 686         java_lang_reflect_Field rf(field);
 687         java_lang_reflect_VMField rvmf(rf.get_f());
 688         fieldinfo* f = rvmf.get_field();
 689
 690 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
 691
 692         java_lang_reflect_Field rf(field);
 693         fieldinfo* f = rf.get_field();
 694
 695 #else
 696 # error unknown configuration
 697 #endif
 698
 699         return (jobject) (f->value);
 700 }
 701
 702
 703 /*
 704  * Class:     sun/misc/Unsafe
 705  * Method:    ensureClassInitialized
 706  * Signature: (Ljava/lang/Class;)V
 707  */
 708 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_ensureClassInitialized(JNIEnv *env, jobject _this, jclass clazz)
 709 {
 710         classinfo *c;
 711
 712         c = LLNI_classinfo_unwrap(clazz);
 713
 714         if (!(c->state & CLASS_INITIALIZED))
 715                 initialize_class(c);
 716 }
 717
 718
 719 /*
 720  * Class:     sun/misc/Unsafe
 721  * Method:    arrayBaseOffset
 722  * Signature: (Ljava/lang/Class;)I
 723  */
 724 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_arrayBaseOffset(JNIEnv *env, jobject _this, jclass arrayClass)
 725 {
 726         classinfo       *c;
 727         arraydescriptor *ad;
 728
 729         c  = LLNI_classinfo_unwrap(arrayClass);
 730         ad = c->vftbl->arraydesc;
 731
 732         if (ad == NULL) {
 733                 /* XXX does that exception exist? */
 734                 exceptions_throw_internalerror("java/lang/InvalidClassException");
 735                 return 0;
 736         }
 737
 738         return ad->dataoffset;
 739 }
 740
 741
 742 /*
 743  * Class:     sun/misc/Unsafe
 744  * Method:    arrayIndexScale
 745  * Signature: (Ljava/lang/Class;)I
 746  */
 747 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_arrayIndexScale(JNIEnv *env, jobject _this, jclass arrayClass)
 748 {
 749         classinfo       *c;
 750         arraydescriptor *ad;
 751
 752         c  = LLNI_classinfo_unwrap(arrayClass);
 753         ad = c->vftbl->arraydesc;
 754
 755         if (ad == NULL) {
 756                 /* XXX does that exception exist? */
 757                 exceptions_throw_internalerror("java/lang/InvalidClassException");
 758                 return 0;
 759         }
 760
 761         return ad->componentsize;
 762 }
 763
 764
 765 /*
 766  * Class:     sun/misc/Unsafe
 767  * Method:    addressSize
 768  * Signature: ()I
 769  */
 770 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_addressSize(JNIEnv *env, jobject _this)
 771 {
 772         return SIZEOF_VOID_P;
 773 }
 774
 775
 776 /*
 777  * Class:     sun/misc/Unsafe
 778  * Method:    pageSize
 779  * Signature: ()I
 780  */
 781 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_pageSize(JNIEnv *env, jobject _this)
 782 {
 783         int sz;
 784
 785         sz = getpagesize();
 786
 787         return sz;
 788 }
 789
 790
 791 /*
 792  * Class:     sun/misc/Unsafe
 793  * Method:    defineClass
 794  * Signature: (Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;
 795  */
 796 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)
 797 {
 798         classloader_t   *cl;
 799         utf             *utfname;
 800         classinfo       *c;
 801
 802         cl = loader_hashtable_classloader_add((java_handle_t *) loader);
 803
 804         /* check if data was passed */
 805
 806         if (b == NULL) {
 807                 exceptions_throw_nullpointerexception();
 808                 return NULL;
 809         }
 810
 811         /* check the indexes passed */
 812
 813         if ((off < 0) || (len < 0) || ((off + len) > LLNI_array_size(b))) {
 814                 exceptions_throw_arrayindexoutofboundsexception();
 815                 return NULL;
 816         }
 817
 818         if (name != NULL) {
 819                 /* convert '.' to '/' in java string */
 820
 821                 utfname = javastring_toutf((java_handle_t *) name, true);
 822         }
 823         else {
 824                 utfname = NULL;
 825         }
 826
 827         /* define the class */
 828
 829         c = class_define(utfname, cl, len, (uint8_t *) &(LLNI_array_direct((java_handle_bytearray_t*) b, off)),
 830                                          (java_handle_t *) protectionDomain);
 831
 832         if (c == NULL)
 833                 return NULL;
 834
 835         java_handle_t* h = LLNI_classinfo_wrap(c);
 836
 837 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 838         // Set ProtectionDomain.
 839         java_lang_Class jlc(h);
 840         jlc.set_pd(protectionDomain);
 841 #endif
 842
 843         return (jclass) h;
 844 }
 845
 846
 847 /*
 848  * Class:     sun/misc/Unsafe
 849  * Method:    allocateInstance
 850  * Signature: (Ljava/lang/Class;)Ljava/lang/Object;
 851  */
 852 JNIEXPORT jobject JNICALL Java_sun_misc_Unsafe_allocateInstance(JNIEnv *env, jobject _this, jclass cls)
 853 {
 854         classinfo     *c;
 855         java_handle_t *o;
 856
 857         c = LLNI_classinfo_unwrap(cls);
 858
 859         o = builtin_new(c);
 860
 861         return (jobject ) o;
 862 }
 863
 864
 865 /*
 866  * Class:     sun/misc/Unsafe
 867  * Method:    throwException
 868  * Signature: (Ljava/lang/Throwable;)V
 869  */
 870 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_throwException(JNIEnv *env, jobject _this, jobject ee)
 871 {
 872         java_handle_t *o;
 873
 874         o = (java_handle_t *) ee;
 875
 876         exceptions_set_exception(o);
 877 }
 878
 879
 880 /*
 881  * Class:     sun/misc/Unsafe
 882  * Method:    compareAndSwapObject
 883  * Signature: (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
 884  */
 885 JNIEXPORT jboolean JNICALL Java_sun_misc_Unsafe_compareAndSwapObject(JNIEnv *env, jobject _this, jobject o, jlong offset, jobject expected, jobject x)
 886 {
 887         volatile void **p;
 888         void           *result;
 889
 890         /* XXX Use LLNI */
 891
 892         p = (volatile void **) (((uint8_t *) o) + offset);
 893
 894         result = Atomic::compare_and_swap(p, expected, x);
 895
 896         if (result == expected)
 897                 return true;
 898
 899         return false;
 900 }
 901
 902
 903 /*
 904  * Class:     sun/misc/Unsafe
 905  * Method:    compareAndSwapInt
 906  * Signature: (Ljava/lang/Object;JII)Z
 907  */
 908 JNIEXPORT jboolean JNICALL Java_sun_misc_Unsafe_compareAndSwapInt(JNIEnv *env, jobject _this, jobject o, jlong offset, jint expected, jint x)
 909 {
 910         uint32_t *p;
 911         uint32_t  result;
 912
 913         /* XXX Use LLNI */
 914
 915         p = (uint32_t *) (((uint8_t *) o) + offset);
 916
 917         result = Atomic::compare_and_swap(p, expected, x);
 918
 919         if (result == (uint32_t) expected)
 920                 return true;
 921
 922         return false;
 923 }
 924
 925
 926 /*
 927  * Class:     sun/misc/Unsafe
 928  * Method:    compareAndSwapLong
 929  * Signature: (Ljava/lang/Object;JJJ)Z
 930  */
 931 JNIEXPORT jboolean JNICALL Java_sun_misc_Unsafe_compareAndSwapLong(JNIEnv *env, jobject _this, jobject o, jlong offset, jlong expected, jlong x)
 932 {
 933         uint64_t *p;
 934         uint64_t  result;
 935
 936         /* XXX Use LLNI */
 937
 938         p = (uint64_t *) (((uint8_t *) o) + offset);
 939
 940         result = Atomic::compare_and_swap(p, expected, x);
 941
 942         if (result == (uint64_t) expected)
 943                 return true;
 944
 945         return false;
 946 }
 947
 948
 949 /*
 950  * Class:     sun/misc/Unsafe
 951  * Method:    getObjectVolatile
 952  * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
 953  */
 954 JNIEXPORT jobject JNICALL Java_sun_misc_Unsafe_getObjectVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset)
 955 {
 956         return FieldAccess::get_volatile<jobject>(o, offset);
 957 }
 958
 959
 960 /*
 961  * Class:     sun/misc/Unsafe
 962  * Method:    putObjectVolatile
 963  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
 964  */
 965 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObjectVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset, jobject x)
 966 {
 967         FieldAccess::set_volatile(o, offset, x);
 968 }
 969
 970
 971 /*
 972  * Class:     sun/misc/Unsafe
 973  * Method:    getByteVolatile
 974  * Signature: (Ljava/lang/Object;J)B
 975  */
 976 JNIEXPORT jbyte JNICALL Java_sun_misc_Unsafe_getByteVolatile(JNIEnv* env, jobject _this, jobject o, jlong offset)
 977 {
 978         return FieldAccess::get_volatile<int32_t>(o, offset);
 979 }
 980
 981
 982 /*
 983  * Class:     sun/misc/Unsafe
 984  * Method:    getIntVolatile
 985  * Signature: (Ljava/lang/Object;J)I
 986  */
 987 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_getIntVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset)
 988 {
 989         return FieldAccess::get_volatile<int32_t>(o, offset);
 990 }
 991
 992
 993 /*
 994  * Class:     sun/misc/Unsafe
 995  * Method:    putIntVolatile
 996  * Signature: (Ljava/lang/Object;JI)V
 997  */
 998 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putIntVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset, jint x)
 999 {
1000         FieldAccess::set_volatile(o, offset, x);
1001 }
1002
1003
1004 /*
1005  * Class:     sun/misc/Unsafe
1006  * Method:    getLongVolatile
1007  * Signature: (Ljava/lang/Object;J)J
1008  */
1009 JNIEXPORT jlong JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset)
1010 {
1011         return FieldAccess::get_volatile<int64_t>(o, offset);
1012 }
1013
1014
1015 /*
1016  * Class:     sun/misc/Unsafe
1017  * Method:    putLongVolatile
1018  * Signature: (Ljava/lang/Object;JJ)V
1019  */
1020 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLongVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset, jlong x)
1021 {
1022         FieldAccess::set_volatile(o, offset, x);
1023 }
1024
1025
1026 /*
1027  * Class:     sun/misc/Unsafe
1028  * Method:    getFloatVolatile
1029  * Signature: (Ljava/lang/Object;J)F
1030  */
1031 JNIEXPORT jfloat JNICALL Java_sun_misc_Unsafe_getFloatVolatile(JNIEnv* env, jobject _this, jobject o, jlong offset)
1032 {
1033         return FieldAccess::get_volatile<float>(o, offset);
1034 }
1035
1036
1037 /*
1038  * Class:     sun/misc/Unsafe
1039  * Method:    getDoubleVolatile
1040  * Signature: (Ljava/lang/Object;J)D
1041  */
1042 JNIEXPORT jdouble JNICALL Java_sun_misc_Unsafe_getDoubleVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset)
1043 {
1044         return FieldAccess::get_volatile<double>(o, offset);
1045 }
1046
1047
1048 /*
1049  * Class:     sun/misc/Unsafe
1050  * Method:    putOrderedObject
1051  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
1052  */
1053 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedObject(JNIEnv *env, jobject _this, jobject o, jlong offset, jobject x)
1054 {
1055         FieldAccess::set_volatile(o, offset, x);
1056 }
1057
1058
1059 /*
1060  * Class:     sun/misc/Unsafe
1061  * Method:    putOrderedInt
1062  * Signature: (Ljava/lang/Object;JI)V
1063  */
1064 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedInt(JNIEnv *env, jobject _this, jobject o, jlong offset, jint x)
1065 {
1066         FieldAccess::set_volatile(o, offset, x);
1067 }
1068
1069
1070 /*
1071  * Class:     sun/misc/Unsafe
1072  * Method:    putOrderedLong
1073  * Signature: (Ljava/lang/Object;JJ)V
1074  */
1075 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedLong(JNIEnv *env, jobject _this, jobject o, jlong offset, jlong x)
1076 {
1077         FieldAccess::set_volatile(o, offset, x);
1078 }
1079
1080
1081 /*
1082  * Class:     sun/misc/Unsafe
1083  * Method:    unpark
1084  * Signature: (Ljava/lang/Object;)V
1085  */
1086 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_unpark(JNIEnv *env, jobject _this, jobject thread)
1087 {
1088         java_handle_t *h = (java_handle_t *) thread;
1089         threadobject *t;
1090
1091 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
1092         h = java_lang_Thread(h).get_vmThread();
1093 #endif
1094         t = thread_get_thread(h);
1095
1096         threads_unpark(t);
1097 }
1098
1099
1100 /*
1101  * Class:     sun/misc/Unsafe
1102  * Method:    park
1103  * Signature: (ZJ)V
1104  */
1105 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, jobject _this, jboolean isAbsolute, jlong time)
1106 {
1107         threads_park(isAbsolute, time);
1108 }
1109
1110 } // extern "C"
1111
1112
1113 /* native methods implemented by this file ************************************/
1114
1115 static JNINativeMethod methods[] = {
1116         { (char*) "registerNatives",        (char*) "()V",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_registerNatives                  },
1117         { (char*) "getInt",                 (char*) "(Ljava/lang/Object;J)I",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J     },
1118         { (char*) "putInt",                 (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI    },
1119         { (char*) "getObject",              (char*) "(Ljava/lang/Object;J)Ljava/lang/Object;",                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_getObject                        },
1120         { (char*) "putObject",              (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putObject                        },
1121         { (char*) "getBoolean",             (char*) "(Ljava/lang/Object;J)Z",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getBoolean                       },
1122         { (char*) "putBoolean",             (char*) "(Ljava/lang/Object;JZ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putBoolean                       },
1123         { (char*) "getByte",                (char*) "(Ljava/lang/Object;J)B",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J    },
1124         { (char*) "putByte",                (char*) "(Ljava/lang/Object;JB)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB   },
1125         { (char*) "getShort",               (char*) "(Ljava/lang/Object;J)S",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getShort__Ljava_lang_Object_2J   },
1126         { (char*) "putShort",               (char*) "(Ljava/lang/Object;JS)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS  },
1127         { (char*) "getChar",                (char*) "(Ljava/lang/Object;J)C",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J    },
1128         { (char*) "putChar",                (char*) "(Ljava/lang/Object;JC)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC   },
1129         { (char*) "getLong",                (char*) "(Ljava/lang/Object;J)J",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLong__Ljava_lang_Object_2J    },
1130         { (char*) "putLong",                (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLong__Ljava_lang_Object_2JJ   },
1131         { (char*) "getFloat",               (char*) "(Ljava/lang/Object;J)F",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getFloat__Ljava_lang_Object_2J   },
1132         { (char*) "putFloat",               (char*) "(Ljava/lang/Object;JF)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF  },
1133         { (char*) "getDouble",              (char*) "(Ljava/lang/Object;J)D",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getDouble__Ljava_lang_Object_2J  },
1134         { (char*) "putDouble",              (char*) "(Ljava/lang/Object;JD)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putDouble__Ljava_lang_Object_2JD },
1135         { (char*) "getByte",                (char*) "(J)B",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getByte__J                       },
1136         { (char*) "putByte",                (char*) "(JB)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putByte__JB                      },
1137         { (char*) "getShort",               (char*) "(J)S",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getShort__J                      },
1138         { (char*) "putShort",               (char*) "(JS)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putShort__JS                     },
1139         { (char*) "getChar",                (char*) "(J)C",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getChar__J                       },
1140         { (char*) "putChar",                (char*) "(JC)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putChar__JC                      },
1141         { (char*) "getInt",                 (char*) "(J)I",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getInt__J                        },
1142         { (char*) "putInt",                 (char*) "(JI)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putInt__JI                       },
1143         { (char*) "getLong",                (char*) "(J)J",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLong__J                       },
1144         { (char*) "putLong",                (char*) "(JJ)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLong__JJ                      },
1145         { (char*) "getFloat",               (char*) "(J)F",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getFloat__J                      },
1146         { (char*) "putFloat",               (char*) "(JF)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putFloat__JF                     },
1147         { (char*) "getDouble",              (char*) "(J)D",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getDouble__J                     },
1148         { (char*) "objectFieldOffset",      (char*) "(Ljava/lang/reflect/Field;)J",                               (void*) (uintptr_t) &Java_sun_misc_Unsafe_objectFieldOffset                },
1149         { (char*) "allocateMemory",         (char*) "(J)J",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_allocateMemory                   },
1150 #if 0
1151         // OpenJDK 7
1152         { (char*) "setMemory",              (char*) "(Ljava/lang/Object;JJB)V",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_setMemory                        },
1153         { (char*) "copyMemory",             (char*) "(Ljava/lang/Object;JLjava/lang/Object;JJ)V",                 (void*) (uintptr_t) &Java_sun_misc_Unsafe_copyMemory                       },
1154 #else
1155         { (char*) "setMemory",              (char*) "(JJB)V",                                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_setMemory                        },
1156         { (char*) "copyMemory",             (char*) "(JJJ)V",                                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_copyMemory                       },
1157 #endif
1158         { (char*) "freeMemory",             (char*) "(J)V",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_freeMemory                       },
1159         { (char*) "staticFieldOffset",      (char*) "(Ljava/lang/reflect/Field;)J",                               (void*) (uintptr_t) &Java_sun_misc_Unsafe_staticFieldOffset                },
1160         { (char*) "staticFieldBase",        (char*) "(Ljava/lang/reflect/Field;)Ljava/lang/Object;",              (void*) (uintptr_t) &Java_sun_misc_Unsafe_staticFieldBase                  },
1161         { (char*) "ensureClassInitialized", (char*) "(Ljava/lang/Class;)V",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_ensureClassInitialized           },
1162         { (char*) "arrayBaseOffset",        (char*) "(Ljava/lang/Class;)I",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_arrayBaseOffset                  },
1163         { (char*) "arrayIndexScale",        (char*) "(Ljava/lang/Class;)I",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_arrayIndexScale                  },
1164         { (char*) "addressSize",            (char*) "()I",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_addressSize                      },
1165         { (char*) "pageSize",               (char*) "()I",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_pageSize                         },
1166         { (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 },
1167         { (char*) "allocateInstance",       (char*) "(Ljava/lang/Class;)Ljava/lang/Object;",                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_allocateInstance                 },
1168         { (char*) "throwException",         (char*) "(Ljava/lang/Throwable;)V",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_throwException                   },
1169         { (char*) "compareAndSwapObject",   (char*) "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapObject             },
1170         { (char*) "compareAndSwapInt",      (char*) "(Ljava/lang/Object;JII)Z",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapInt                },
1171         { (char*) "compareAndSwapLong",     (char*) "(Ljava/lang/Object;JJJ)Z",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapLong               },
1172         { (char*) "getObjectVolatile",      (char*) "(Ljava/lang/Object;J)Ljava/lang/Object;",                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_getObjectVolatile                },
1173         { (char*) "putObjectVolatile",      (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putObjectVolatile                },
1174         { (char*) "getByteVolatile",        (char*) "(Ljava/lang/Object;J)B",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getByteVolatile                  },
1175         { (char*) "getIntVolatile",         (char*) "(Ljava/lang/Object;J)I",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getIntVolatile                   },
1176         { (char*) "putIntVolatile",         (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putIntVolatile                   },
1177         { (char*) "getLongVolatile",        (char*) "(Ljava/lang/Object;J)J",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLongVolatile                  },
1178         { (char*) "putLongVolatile",        (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLongVolatile                  },
1179         { (char*) "getFloatVolatile",       (char*) "(Ljava/lang/Object;J)F",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getFloatVolatile                 },
1180         { (char*) "getDoubleVolatile",      (char*) "(Ljava/lang/Object;J)D",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getDoubleVolatile                },
1181         { (char*) "putOrderedObject",       (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedObject                 },
1182         { (char*) "putOrderedInt",          (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedInt                    },
1183         { (char*) "putOrderedLong",         (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedLong                   },
1184         { (char*) "unpark",                 (char*) "(Ljava/lang/Object;)V",                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_unpark                           },
1185         { (char*) "park",                   (char*) "(ZJ)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_park                             },
1186 };
1187
1188
1189 /* _Jv_sun_misc_Unsafe_init ****************************************************
1190
1191    Register native functions.
1192
1193 *******************************************************************************/
1194
1195 void _Jv_sun_misc_Unsafe_init(void)
1196 {
1197         utf* u = utf_new_char("sun/misc/Unsafe");
1198
1199         NativeMethods& nm = VM::get_current()->get_nativemethods();
1200         nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
1201 }
1202
1203
1204 /*
1205  * These are local overrides for various environment variables in Emacs.
1206  * Please do not remove this and leave it at the end of the file, where
1207  * Emacs will automagically detect them.
1208  * ---------------------------------------------------------------------
1209  * Local variables:
1210  * mode: c++
1211  * indent-tabs-mode: t
1212  * c-basic-offset: 4
1213  * tab-width: 4
1214  * End:
1215  * vim:noexpandtab:sw=4:ts=4:
1216  */