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