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:    objectFieldOffset
 467  * Signature: (Ljava/lang/reflect/Field;)J
 468  */
 469 JNIEXPORT jlong JNICALL Java_sun_misc_Unsafe_objectFieldOffset(JNIEnv *env, jobject _this, jobject field)
 470 {
 471 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 472
 473         java_lang_reflect_Field rf(field);
 474         java_lang_reflect_VMField rvmf(rf.get_f());
 475         fieldinfo* f = rvmf.get_field();
 476
 477 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
 478
 479         java_lang_reflect_Field rf(field);
 480         fieldinfo* f = rf.get_field();
 481
 482 #else
 483 # error unknown configuration
 484 #endif
 485
 486         return (jlong) f->offset;
 487 }
 488
 489
 490 /*
 491  * Class:     sun/misc/Unsafe
 492  * Method:    allocateMemory
 493  * Signature: (J)J
 494  */
 495 JNIEXPORT jlong JNICALL Java_sun_misc_Unsafe_allocateMemory(JNIEnv *env, jobject _this, jlong bytes)
 496 {
 497         size_t  length;
 498         void   *p;
 499
 500         length = (size_t) bytes;
 501
 502         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 503                 exceptions_throw_illegalargumentexception();
 504                 return 0;
 505         }
 506
 507         p = MNEW(uint8_t, length);
 508
 509         return (int64_t) (intptr_t) p;
 510 }
 511
 512
 513 #if 0
 514 /* OpenJDK 7 */
 515
 516 /*
 517  * Class:     sun/misc/Unsafe
 518  * Method:    setMemory
 519  * Signature: (Ljava/lang/Object;JJB)V
 520  */
 521 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, jobject _this, jobject o, jlong offset, jlong bytes, jbyte value)
 522 {
 523         size_t  length;
 524         void   *p;
 525
 526         length = (size_t) bytes;
 527
 528         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 529                 exceptions_throw_illegalargumentexception();
 530                 return;
 531         }
 532
 533         /* XXX Missing LLNI: we need to unwrap _this object. */
 534
 535         p = (void *) (((uint8_t *) o) + offset);
 536
 537         /* XXX Not sure this is correct. */
 538
 539         os::memset(p, value, length);
 540 }
 541
 542
 543 /*
 544  * Class:     sun/misc/Unsafe
 545  * Method:    copyMemory
 546  * Signature: (Ljava/lang/Object;JLjava/lang/Object;JJ)V
 547  */
 548 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, jobject _this, jobject srcBase, jlong srcOffset, jobject destBase, jlong destOffset, jlong bytes)
 549 {
 550         size_t  length;
 551         void   *src;
 552         void   *dest;
 553
 554         if (bytes == 0)
 555                 return;
 556
 557         length = (size_t) bytes;
 558
 559         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 560                 exceptions_throw_illegalargumentexception();
 561                 return;
 562         }
 563
 564         /* XXX Missing LLNI: We need to unwrap these objects. */
 565
 566         src  = (void *) (((uint8_t *) srcBase) + srcOffset);
 567         dest = (void *) (((uint8_t *) destBase) + destOffset);
 568
 569         os::memcpy(dest, src, length);
 570 }
 571 #else
 572 /*
 573  * Class:     sun/misc/Unsafe
 574  * Method:    setMemory
 575  * Signature: (JJB)V
 576  */
 577 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, jobject _this, jlong address, jlong bytes, jbyte value)
 578 {
 579         size_t  length;
 580         void   *p;
 581
 582         length = (size_t) bytes;
 583
 584         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 585                 exceptions_throw_illegalargumentexception();
 586                 return;
 587         }
 588
 589         p = (void *) (intptr_t) address;
 590
 591         /* XXX Not sure this is correct. */
 592
 593         os::memset(p, value, length);
 594 }
 595
 596
 597 /*
 598  * Class:     sun/misc/Unsafe
 599  * Method:    copyMemory
 600  * Signature: (JJJ)V
 601  */
 602 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, jobject _this, jlong srcAddress, jlong destAddress, jlong bytes)
 603 {
 604         size_t  length;
 605         void   *src;
 606         void   *dest;
 607
 608         if (bytes == 0)
 609                 return;
 610
 611         length = (size_t) bytes;
 612
 613         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 614                 exceptions_throw_illegalargumentexception();
 615                 return;
 616         }
 617
 618         src  = (void *) (intptr_t) srcAddress;
 619         dest = (void *) (intptr_t) destAddress;
 620
 621         os::memcpy(dest, src, length);
 622 }
 623 #endif
 624
 625
 626 /*
 627  * Class:     sun/misc/Unsafe
 628  * Method:    freeMemory
 629  * Signature: (J)V
 630  */
 631 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_freeMemory(JNIEnv *env, jobject _this, jlong address)
 632 {
 633         void *p;
 634
 635         p = (void *) (intptr_t) address;
 636
 637         if (p == NULL)
 638                 return;
 639
 640         /* we pass length 1 to trick the free function */
 641
 642         MFREE(p, uint8_t, 1);
 643 }
 644
 645
 646 /*
 647  * Class:     sun/misc/Unsafe
 648  * Method:    staticFieldOffset
 649  * Signature: (Ljava/lang/reflect/Field;)J
 650  */
 651 JNIEXPORT jlong JNICALL Java_sun_misc_Unsafe_staticFieldOffset(JNIEnv *env, jobject _this, jobject f)
 652 {
 653         /* The offset of static fields is 0. */
 654
 655         return 0;
 656 }
 657
 658
 659 /*
 660  * Class:     sun/misc/Unsafe
 661  * Method:    staticFieldBase
 662  * Signature: (Ljava/lang/reflect/Field;)Ljava/lang/Object;
 663  */
 664 JNIEXPORT jobject JNICALL Java_sun_misc_Unsafe_staticFieldBase(JNIEnv *env, jobject _this, jobject field)
 665 {
 666 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 667
 668         java_lang_reflect_Field rf(field);
 669         java_lang_reflect_VMField rvmf(rf.get_f());
 670         fieldinfo* f = rvmf.get_field();
 671
 672 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
 673
 674         java_lang_reflect_Field rf(field);
 675         fieldinfo* f = rf.get_field();
 676
 677 #else
 678 # error unknown configuration
 679 #endif
 680
 681         return (jobject) (f->value);
 682 }
 683
 684
 685 /*
 686  * Class:     sun/misc/Unsafe
 687  * Method:    ensureClassInitialized
 688  * Signature: (Ljava/lang/Class;)V
 689  */
 690 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_ensureClassInitialized(JNIEnv *env, jobject _this, jclass clazz)
 691 {
 692         classinfo *c;
 693
 694         c = LLNI_classinfo_unwrap(clazz);
 695
 696         if (!(c->state & CLASS_INITIALIZED))
 697                 initialize_class(c);
 698 }
 699
 700
 701 /*
 702  * Class:     sun/misc/Unsafe
 703  * Method:    arrayBaseOffset
 704  * Signature: (Ljava/lang/Class;)I
 705  */
 706 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_arrayBaseOffset(JNIEnv *env, jobject _this, jclass arrayClass)
 707 {
 708         classinfo       *c;
 709         arraydescriptor *ad;
 710
 711         c  = LLNI_classinfo_unwrap(arrayClass);
 712         ad = c->vftbl->arraydesc;
 713
 714         if (ad == NULL) {
 715                 /* XXX does that exception exist? */
 716                 exceptions_throw_internalerror("java/lang/InvalidClassException");
 717                 return 0;
 718         }
 719
 720         return ad->dataoffset;
 721 }
 722
 723
 724 /*
 725  * Class:     sun/misc/Unsafe
 726  * Method:    arrayIndexScale
 727  * Signature: (Ljava/lang/Class;)I
 728  */
 729 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_arrayIndexScale(JNIEnv *env, jobject _this, jclass arrayClass)
 730 {
 731         classinfo       *c;
 732         arraydescriptor *ad;
 733
 734         c  = LLNI_classinfo_unwrap(arrayClass);
 735         ad = c->vftbl->arraydesc;
 736
 737         if (ad == NULL) {
 738                 /* XXX does that exception exist? */
 739                 exceptions_throw_internalerror("java/lang/InvalidClassException");
 740                 return 0;
 741         }
 742
 743         return ad->componentsize;
 744 }
 745
 746
 747 /*
 748  * Class:     sun/misc/Unsafe
 749  * Method:    addressSize
 750  * Signature: ()I
 751  */
 752 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_addressSize(JNIEnv *env, jobject _this)
 753 {
 754         return SIZEOF_VOID_P;
 755 }
 756
 757
 758 /*
 759  * Class:     sun/misc/Unsafe
 760  * Method:    pageSize
 761  * Signature: ()I
 762  */
 763 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_pageSize(JNIEnv *env, jobject _this)
 764 {
 765         int sz;
 766
 767         sz = getpagesize();
 768
 769         return sz;
 770 }
 771
 772
 773 /*
 774  * Class:     sun/misc/Unsafe
 775  * Method:    defineClass
 776  * Signature: (Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;
 777  */
 778 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)
 779 {
 780         classloader_t   *cl;
 781         utf             *utfname;
 782         classinfo       *c;
 783
 784         cl = loader_hashtable_classloader_add((java_handle_t *) loader);
 785
 786         /* check if data was passed */
 787
 788         if (b == NULL) {
 789                 exceptions_throw_nullpointerexception();
 790                 return NULL;
 791         }
 792
 793         /* check the indexes passed */
 794
 795         if ((off < 0) || (len < 0) || ((off + len) > LLNI_array_size(b))) {
 796                 exceptions_throw_arrayindexoutofboundsexception();
 797                 return NULL;
 798         }
 799
 800         if (name != NULL) {
 801                 /* convert '.' to '/' in java string */
 802
 803                 utfname = javastring_toutf((java_handle_t *) name, true);
 804         }
 805         else {
 806                 utfname = NULL;
 807         }
 808
 809         /* define the class */
 810
 811         c = class_define(utfname, cl, len, (uint8_t *) &(LLNI_array_direct((java_handle_bytearray_t*) b, off)),
 812                                          (java_handle_t *) protectionDomain);
 813
 814         if (c == NULL)
 815                 return NULL;
 816
 817         java_handle_t* h = LLNI_classinfo_wrap(c);
 818
 819 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
 820         // Set ProtectionDomain.
 821         java_lang_Class jlc(h);
 822         jlc.set_pd(protectionDomain);
 823 #endif
 824
 825         return (jclass) h;
 826 }
 827
 828
 829 /*
 830  * Class:     sun/misc/Unsafe
 831  * Method:    allocateInstance
 832  * Signature: (Ljava/lang/Class;)Ljava/lang/Object;
 833  */
 834 JNIEXPORT jobject JNICALL Java_sun_misc_Unsafe_allocateInstance(JNIEnv *env, jobject _this, jclass cls)
 835 {
 836         classinfo     *c;
 837         java_handle_t *o;
 838
 839         c = LLNI_classinfo_unwrap(cls);
 840
 841         o = builtin_new(c);
 842
 843         return (jobject ) o;
 844 }
 845
 846
 847 /*
 848  * Class:     sun/misc/Unsafe
 849  * Method:    throwException
 850  * Signature: (Ljava/lang/Throwable;)V
 851  */
 852 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_throwException(JNIEnv *env, jobject _this, jobject ee)
 853 {
 854         java_handle_t *o;
 855
 856         o = (java_handle_t *) ee;
 857
 858         exceptions_set_exception(o);
 859 }
 860
 861
 862 /*
 863  * Class:     sun/misc/Unsafe
 864  * Method:    compareAndSwapObject
 865  * Signature: (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
 866  */
 867 JNIEXPORT jboolean JNICALL Java_sun_misc_Unsafe_compareAndSwapObject(JNIEnv *env, jobject _this, jobject o, jlong offset, jobject expected, jobject x)
 868 {
 869         volatile void **p;
 870         void           *result;
 871
 872         /* XXX Use LLNI */
 873
 874         p = (volatile void **) (((uint8_t *) o) + offset);
 875
 876         result = Atomic::compare_and_swap(p, expected, x);
 877
 878         if (result == expected)
 879                 return true;
 880
 881         return false;
 882 }
 883
 884
 885 /*
 886  * Class:     sun/misc/Unsafe
 887  * Method:    compareAndSwapInt
 888  * Signature: (Ljava/lang/Object;JII)Z
 889  */
 890 JNIEXPORT jboolean JNICALL Java_sun_misc_Unsafe_compareAndSwapInt(JNIEnv *env, jobject _this, jobject o, jlong offset, jint expected, jint x)
 891 {
 892         uint32_t *p;
 893         uint32_t  result;
 894
 895         /* XXX Use LLNI */
 896
 897         p = (uint32_t *) (((uint8_t *) o) + offset);
 898
 899         result = Atomic::compare_and_swap(p, expected, x);
 900
 901         if (result == (uint32_t) expected)
 902                 return true;
 903
 904         return false;
 905 }
 906
 907
 908 /*
 909  * Class:     sun/misc/Unsafe
 910  * Method:    compareAndSwapLong
 911  * Signature: (Ljava/lang/Object;JJJ)Z
 912  */
 913 JNIEXPORT jboolean JNICALL Java_sun_misc_Unsafe_compareAndSwapLong(JNIEnv *env, jobject _this, jobject o, jlong offset, jlong expected, jlong x)
 914 {
 915         uint64_t *p;
 916         uint64_t  result;
 917
 918         /* XXX Use LLNI */
 919
 920         p = (uint64_t *) (((uint8_t *) o) + offset);
 921
 922         result = Atomic::compare_and_swap(p, expected, x);
 923
 924         if (result == (uint64_t) expected)
 925                 return true;
 926
 927         return false;
 928 }
 929
 930
 931 /*
 932  * Class:     sun/misc/Unsafe
 933  * Method:    getObjectVolatile
 934  * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
 935  */
 936 JNIEXPORT jobject JNICALL Java_sun_misc_Unsafe_getObjectVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset)
 937 {
 938         return FieldAccess::get_volatile<jobject>(o, offset);
 939 }
 940
 941
 942 /*
 943  * Class:     sun/misc/Unsafe
 944  * Method:    putObjectVolatile
 945  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
 946  */
 947 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObjectVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset, jobject x)
 948 {
 949         FieldAccess::set_volatile(o, offset, x);
 950 }
 951
 952
 953 /*
 954  * Class:     sun/misc/Unsafe
 955  * Method:    getByteVolatile
 956  * Signature: (Ljava/lang/Object;J)B
 957  */
 958 JNIEXPORT jbyte JNICALL Java_sun_misc_Unsafe_getByteVolatile(JNIEnv* env, jobject _this, jobject o, jlong offset)
 959 {
 960         return FieldAccess::get_volatile<int32_t>(o, offset);
 961 }
 962
 963
 964 /*
 965  * Class:     sun/misc/Unsafe
 966  * Method:    getIntVolatile
 967  * Signature: (Ljava/lang/Object;J)I
 968  */
 969 JNIEXPORT jint JNICALL Java_sun_misc_Unsafe_getIntVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset)
 970 {
 971         return FieldAccess::get_volatile<int32_t>(o, offset);
 972 }
 973
 974
 975 /*
 976  * Class:     sun/misc/Unsafe
 977  * Method:    putIntVolatile
 978  * Signature: (Ljava/lang/Object;JI)V
 979  */
 980 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putIntVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset, jint x)
 981 {
 982         FieldAccess::set_volatile(o, offset, x);
 983 }
 984
 985
 986 /*
 987  * Class:     sun/misc/Unsafe
 988  * Method:    getLongVolatile
 989  * Signature: (Ljava/lang/Object;J)J
 990  */
 991 JNIEXPORT jlong JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset)
 992 {
 993         return FieldAccess::get_volatile<int64_t>(o, offset);
 994 }
 995
 996
 997 /*
 998  * Class:     sun/misc/Unsafe
 999  * Method:    putLongVolatile
1000  * Signature: (Ljava/lang/Object;JJ)V
1001  */
1002 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLongVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset, jlong x)
1003 {
1004         FieldAccess::set_volatile(o, offset, x);
1005 }
1006
1007
1008 /*
1009  * Class:     sun/misc/Unsafe
1010  * Method:    getFloatVolatile
1011  * Signature: (Ljava/lang/Object;J)F
1012  */
1013 JNIEXPORT jfloat JNICALL Java_sun_misc_Unsafe_getFloatVolatile(JNIEnv* env, jobject _this, jobject o, jlong offset)
1014 {
1015         return FieldAccess::get_volatile<float>(o, offset);
1016 }
1017
1018
1019 /*
1020  * Class:     sun/misc/Unsafe
1021  * Method:    getDoubleVolatile
1022  * Signature: (Ljava/lang/Object;J)D
1023  */
1024 JNIEXPORT jdouble JNICALL Java_sun_misc_Unsafe_getDoubleVolatile(JNIEnv *env, jobject _this, jobject o, jlong offset)
1025 {
1026         return FieldAccess::get_volatile<double>(o, offset);
1027 }
1028
1029
1030 /*
1031  * Class:     sun/misc/Unsafe
1032  * Method:    putOrderedObject
1033  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
1034  */
1035 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedObject(JNIEnv *env, jobject _this, jobject o, jlong offset, jobject x)
1036 {
1037         FieldAccess::set_volatile(o, offset, x);
1038 }
1039
1040
1041 /*
1042  * Class:     sun/misc/Unsafe
1043  * Method:    putOrderedInt
1044  * Signature: (Ljava/lang/Object;JI)V
1045  */
1046 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedInt(JNIEnv *env, jobject _this, jobject o, jlong offset, jint x)
1047 {
1048         FieldAccess::set_volatile(o, offset, x);
1049 }
1050
1051
1052 /*
1053  * Class:     sun/misc/Unsafe
1054  * Method:    putOrderedLong
1055  * Signature: (Ljava/lang/Object;JJ)V
1056  */
1057 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedLong(JNIEnv *env, jobject _this, jobject o, jlong offset, jlong x)
1058 {
1059         FieldAccess::set_volatile(o, offset, x);
1060 }
1061
1062
1063 /*
1064  * Class:     sun/misc/Unsafe
1065  * Method:    unpark
1066  * Signature: (Ljava/lang/Object;)V
1067  */
1068 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_unpark(JNIEnv *env, jobject _this, jobject thread)
1069 {
1070         /* XXX IMPLEMENT ME */
1071 }
1072
1073
1074 /*
1075  * Class:     sun/misc/Unsafe
1076  * Method:    park
1077  * Signature: (ZJ)V
1078  */
1079 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, jobject _this, jboolean isAbsolute, jlong time)
1080 {
1081         /* XXX IMPLEMENT ME */
1082 }
1083
1084 } // extern "C"
1085
1086
1087 /* native methods implemented by this file ************************************/
1088
1089 static JNINativeMethod methods[] = {
1090         { (char*) "registerNatives",        (char*) "()V",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_registerNatives                  },
1091         { (char*) "getInt",                 (char*) "(Ljava/lang/Object;J)I",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J     },
1092         { (char*) "putInt",                 (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI    },
1093         { (char*) "getObject",              (char*) "(Ljava/lang/Object;J)Ljava/lang/Object;",                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_getObject                        },
1094         { (char*) "putObject",              (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putObject                        },
1095         { (char*) "getBoolean",             (char*) "(Ljava/lang/Object;J)Z",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getBoolean                       },
1096         { (char*) "putBoolean",             (char*) "(Ljava/lang/Object;JZ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putBoolean                       },
1097         { (char*) "getByte",                (char*) "(Ljava/lang/Object;J)B",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J    },
1098         { (char*) "putByte",                (char*) "(Ljava/lang/Object;JB)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB   },
1099         { (char*) "getShort",               (char*) "(Ljava/lang/Object;J)S",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getShort__Ljava_lang_Object_2J   },
1100         { (char*) "putShort",               (char*) "(Ljava/lang/Object;JS)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS  },
1101         { (char*) "getChar",                (char*) "(Ljava/lang/Object;J)C",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J    },
1102         { (char*) "putChar",                (char*) "(Ljava/lang/Object;JC)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC   },
1103         { (char*) "getLong",                (char*) "(Ljava/lang/Object;J)J",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLong__Ljava_lang_Object_2J    },
1104         { (char*) "putLong",                (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLong__Ljava_lang_Object_2JJ   },
1105         { (char*) "getFloat",               (char*) "(Ljava/lang/Object;J)F",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getFloat__Ljava_lang_Object_2J   },
1106         { (char*) "putFloat",               (char*) "(Ljava/lang/Object;JF)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF  },
1107         { (char*) "getDouble",              (char*) "(Ljava/lang/Object;J)D",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getDouble__Ljava_lang_Object_2J  },
1108         { (char*) "putDouble",              (char*) "(Ljava/lang/Object;JD)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putDouble__Ljava_lang_Object_2JD },
1109         { (char*) "getByte",                (char*) "(J)B",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getByte__J                       },
1110         { (char*) "putByte",                (char*) "(JB)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putByte__JB                      },
1111         { (char*) "getShort",               (char*) "(J)S",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getShort__J                      },
1112         { (char*) "putShort",               (char*) "(JS)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putShort__JS                     },
1113         { (char*) "getChar",                (char*) "(J)C",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getChar__J                       },
1114         { (char*) "putChar",                (char*) "(JC)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putChar__JC                      },
1115         { (char*) "getInt",                 (char*) "(J)I",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getInt__J                        },
1116         { (char*) "putInt",                 (char*) "(JI)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putInt__JI                       },
1117         { (char*) "getLong",                (char*) "(J)J",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLong__J                       },
1118         { (char*) "putLong",                (char*) "(JJ)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLong__JJ                      },
1119         { (char*) "getFloat",               (char*) "(J)F",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_getFloat__J                      },
1120         { (char*) "putFloat",               (char*) "(JF)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_putFloat__JF                     },
1121         { (char*) "objectFieldOffset",      (char*) "(Ljava/lang/reflect/Field;)J",                               (void*) (uintptr_t) &Java_sun_misc_Unsafe_objectFieldOffset                },
1122         { (char*) "allocateMemory",         (char*) "(J)J",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_allocateMemory                   },
1123 #if 0
1124         // OpenJDK 7
1125         { (char*) "setMemory",              (char*) "(Ljava/lang/Object;JJB)V",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_setMemory                        },
1126         { (char*) "copyMemory",             (char*) "(Ljava/lang/Object;JLjava/lang/Object;JJ)V",                 (void*) (uintptr_t) &Java_sun_misc_Unsafe_copyMemory                       },
1127 #else
1128         { (char*) "setMemory",              (char*) "(JJB)V",                                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_setMemory                        },
1129         { (char*) "copyMemory",             (char*) "(JJJ)V",                                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_copyMemory                       },
1130 #endif
1131         { (char*) "freeMemory",             (char*) "(J)V",                                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_freeMemory                       },
1132         { (char*) "staticFieldOffset",      (char*) "(Ljava/lang/reflect/Field;)J",                               (void*) (uintptr_t) &Java_sun_misc_Unsafe_staticFieldOffset                },
1133         { (char*) "staticFieldBase",        (char*) "(Ljava/lang/reflect/Field;)Ljava/lang/Object;",              (void*) (uintptr_t) &Java_sun_misc_Unsafe_staticFieldBase                  },
1134         { (char*) "ensureClassInitialized", (char*) "(Ljava/lang/Class;)V",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_ensureClassInitialized           },
1135         { (char*) "arrayBaseOffset",        (char*) "(Ljava/lang/Class;)I",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_arrayBaseOffset                  },
1136         { (char*) "arrayIndexScale",        (char*) "(Ljava/lang/Class;)I",                                       (void*) (uintptr_t) &Java_sun_misc_Unsafe_arrayIndexScale                  },
1137         { (char*) "addressSize",            (char*) "()I",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_addressSize                      },
1138         { (char*) "pageSize",               (char*) "()I",                                                        (void*) (uintptr_t) &Java_sun_misc_Unsafe_pageSize                         },
1139         { (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 },
1140         { (char*) "allocateInstance",       (char*) "(Ljava/lang/Class;)Ljava/lang/Object;",                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_allocateInstance                 },
1141         { (char*) "throwException",         (char*) "(Ljava/lang/Throwable;)V",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_throwException                   },
1142         { (char*) "compareAndSwapObject",   (char*) "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapObject             },
1143         { (char*) "compareAndSwapInt",      (char*) "(Ljava/lang/Object;JII)Z",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapInt                },
1144         { (char*) "compareAndSwapLong",     (char*) "(Ljava/lang/Object;JJJ)Z",                                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_compareAndSwapLong               },
1145         { (char*) "getObjectVolatile",      (char*) "(Ljava/lang/Object;J)Ljava/lang/Object;",                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_getObjectVolatile                },
1146         { (char*) "putObjectVolatile",      (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putObjectVolatile                },
1147         { (char*) "getByteVolatile",        (char*) "(Ljava/lang/Object;J)B",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getByteVolatile                  },
1148         { (char*) "getIntVolatile",         (char*) "(Ljava/lang/Object;J)I",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getIntVolatile                   },
1149         { (char*) "putIntVolatile",         (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putIntVolatile                   },
1150         { (char*) "getLongVolatile",        (char*) "(Ljava/lang/Object;J)J",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getLongVolatile                  },
1151         { (char*) "putLongVolatile",        (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putLongVolatile                  },
1152         { (char*) "getFloatVolatile",       (char*) "(Ljava/lang/Object;J)F",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getFloatVolatile                 },
1153         { (char*) "getDoubleVolatile",      (char*) "(Ljava/lang/Object;J)D",                                     (void*) (uintptr_t) &Java_sun_misc_Unsafe_getDoubleVolatile                },
1154         { (char*) "putOrderedObject",       (char*) "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedObject                 },
1155         { (char*) "putOrderedInt",          (char*) "(Ljava/lang/Object;JI)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedInt                    },
1156         { (char*) "putOrderedLong",         (char*) "(Ljava/lang/Object;JJ)V",                                    (void*) (uintptr_t) &Java_sun_misc_Unsafe_putOrderedLong                   },
1157         { (char*) "unpark",                 (char*) "(Ljava/lang/Object;)V",                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_unpark                           },
1158         { (char*) "park",                   (char*) "(ZJ)V",                                                      (void*) (uintptr_t) &Java_sun_misc_Unsafe_park                             },
1159 };
1160
1161
1162 /* _Jv_sun_misc_Unsafe_init ****************************************************
1163
1164    Register native functions.
1165
1166 *******************************************************************************/
1167
1168 void _Jv_sun_misc_Unsafe_init(void)
1169 {
1170         utf* u = utf_new_char("sun/misc/Unsafe");
1171
1172         NativeMethods& nm = VM::get_current()->get_nativemethods();
1173         nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
1174 }
1175
1176
1177 /*
1178  * These are local overrides for various environment variables in Emacs.
1179  * Please do not remove this and leave it at the end of the file, where
1180  * Emacs will automagically detect them.
1181  * ---------------------------------------------------------------------
1182  * Local variables:
1183  * mode: c++
1184  * indent-tabs-mode: t
1185  * c-basic-offset: 4
1186  * tab-width: 4
1187  * End:
1188  * vim:noexpandtab:sw=4:ts=4:
1189  */