src/native/vm/sun_misc_Unsafe.c

   1 /* src/native/vm/sun_misc_Unsafe.c - 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 "machine-instr.h"
  32
  33 #include "mm/memory.h"
  34
  35 #include "native/jni.h"
  36 #include "native/llni.h"
  37 #include "native/native.h"
  38
  39 #include "native/include/java_lang_Object.h"                  /* before c.l.C */
  40 #include "native/include/java_lang_String.h"            /* required by j.l.CL */
  41
  42 #if defined(WITH_CLASSPATH_SUN)
  43 # include "native/include/java_nio_ByteBuffer.h"        /* required by j.l.CL */
  44 #endif
  45
  46 #include "native/include/java_lang_ClassLoader.h"        /* required by j.l.C */
  47 #include "native/include/java_lang_Class.h"
  48 #include "native/include/java_lang_reflect_Field.h"
  49 #include "native/include/java_lang_Thread.h"             /* required by s.m.U */
  50 #include "native/include/java_lang_Throwable.h"
  51
  52 #include "native/include/java_security_ProtectionDomain.h" /* required by smU */
  53
  54 #include "native/include/sun_misc_Unsafe.h"
  55
  56 #include "vm/builtin.h"
  57 #include "vm/exceptions.h"
  58 #include "vm/initialize.h"
  59 #include "vm/stringlocal.h"
  60
  61 #include "vmcore/system.h"
  62 #include "vmcore/utf8.h"
  63
  64
  65 /* native methods implemented by this file ************************************/
  66
  67 static JNINativeMethod methods[] = {
  68         { "registerNatives",        "()V",                                                        (void *) (intptr_t) &Java_sun_misc_Unsafe_registerNatives                },
  69         { "getInt",                 "(Ljava/lang/Object;J)I",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J   },
  70         { "putInt",                 "(Ljava/lang/Object;JI)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI  },
  71         { "getObject",              "(Ljava/lang/Object;J)Ljava/lang/Object;",                    (void *) (intptr_t) &Java_sun_misc_Unsafe_getObject                      },
  72         { "putObject",              "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void *) (intptr_t) &Java_sun_misc_Unsafe_putObject                      },
  73         { "getBoolean",             "(Ljava/lang/Object;J)Z",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getBoolean                     },
  74         { "putBoolean",             "(Ljava/lang/Object;JZ)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putBoolean                     },
  75         { "getByte",                "(Ljava/lang/Object;J)B",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J  },
  76         { "putByte",                "(Ljava/lang/Object;JB)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB },
  77         { "getShort",               "(Ljava/lang/Object;J)S",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getShort__Ljava_lang_Object_2J },
  78         { "putShort",               "(Ljava/lang/Object;JS)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS },
  79         { "getChar",                "(Ljava/lang/Object;J)C",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J  },
  80         { "putChar",                "(Ljava/lang/Object;JC)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC },
  81         { "getLong",                "(Ljava/lang/Object;J)J",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getLong__Ljava_lang_Object_2J  },
  82         { "putLong",                "(Ljava/lang/Object;JJ)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putLong__Ljava_lang_Object_2JJ },
  83         { "getFloat",               "(Ljava/lang/Object;J)F",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getFloat__Ljava_lang_Object_2J },
  84         { "putFloat",               "(Ljava/lang/Object;JF)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF },
  85         { "getDouble",              "(Ljava/lang/Object;J)D",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getDouble__Ljava_lang_Object_2J },
  86         { "putDouble",              "(Ljava/lang/Object;JD)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putDouble__Ljava_lang_Object_2JD },
  87         { "getByte",                "(J)B",                                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__J                     },
  88         { "putByte",                "(JB)V",                                                      (void *) (intptr_t) &Java_sun_misc_Unsafe_putByte__JB                    },
  89         { "getShort",               "(J)S",                                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_getShort__J                    },
  90         { "putShort",               "(JS)V",                                                      (void *) (intptr_t) &Java_sun_misc_Unsafe_putShort__JS                   },
  91         { "getChar",                "(J)C",                                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_getChar__J                     },
  92         { "putChar",                "(JC)V",                                                      (void *) (intptr_t) &Java_sun_misc_Unsafe_putChar__JC                    },
  93         { "getInt",                 "(J)I",                                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_getInt__J                      },
  94         { "putInt",                 "(JI)V",                                                      (void *) (intptr_t) &Java_sun_misc_Unsafe_putInt__JI                     },
  95         { "getLong",                "(J)J",                                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_getLong__J                     },
  96         { "putLong",                "(JJ)V",                                                      (void *) (intptr_t) &Java_sun_misc_Unsafe_putLong__JJ                    },
  97         { "getFloat",               "(J)F",                                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_getFloat__J                    },
  98         { "objectFieldOffset",      "(Ljava/lang/reflect/Field;)J",                               (void *) (intptr_t) &Java_sun_misc_Unsafe_objectFieldOffset              },
  99         { "allocateMemory",         "(J)J",                                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_allocateMemory                 },
 100 #if 0
 101         /* OpenJDK 7 */
 102         { "setMemory",              "(Ljava/lang/Object;JJB)V",                                   (void *) (intptr_t) &Java_sun_misc_Unsafe_setMemory                      },
 103         { "copyMemory",             "(Ljava/lang/Object;JLjava/lang/Object;JJ)V",                 (void *) (intptr_t) &Java_sun_misc_Unsafe_copyMemory                     },
 104 #else
 105         { "setMemory",              "(JJB)V",                                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_setMemory                      },
 106         { "copyMemory",             "(JJJ)V",                                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_copyMemory                     },
 107 #endif
 108         { "freeMemory",             "(J)V",                                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_freeMemory                     },
 109         { "staticFieldOffset",      "(Ljava/lang/reflect/Field;)J",                               (void *) (intptr_t) &Java_sun_misc_Unsafe_staticFieldOffset              },
 110         { "staticFieldBase",        "(Ljava/lang/reflect/Field;)Ljava/lang/Object;",              (void *) (intptr_t) &Java_sun_misc_Unsafe_staticFieldBase                },
 111         { "ensureClassInitialized", "(Ljava/lang/Class;)V",                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_ensureClassInitialized         },
 112         { "arrayBaseOffset",        "(Ljava/lang/Class;)I",                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_arrayBaseOffset                },
 113         { "arrayIndexScale",        "(Ljava/lang/Class;)I",                                       (void *) (intptr_t) &Java_sun_misc_Unsafe_arrayIndexScale                },
 114         { "addressSize",            "()I",                                                        (void *) (intptr_t) &Java_sun_misc_Unsafe_addressSize                    },
 115         { "pageSize",               "()I",                                                        (void *) (intptr_t) &Java_sun_misc_Unsafe_pageSize                       },
 116         { "defineClass",            "(Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;", (void *) (intptr_t) &Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2 },
 117         { "allocateInstance",       "(Ljava/lang/Class;)Ljava/lang/Object;",                      (void *) (intptr_t) &Java_sun_misc_Unsafe_allocateInstance               },
 118         { "throwException",         "(Ljava/lang/Throwable;)V",                                   (void *) (intptr_t) &Java_sun_misc_Unsafe_throwException                 },
 119         { "compareAndSwapObject",   "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapObject           },
 120         { "compareAndSwapInt",      "(Ljava/lang/Object;JII)Z",                                   (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapInt              },
 121         { "compareAndSwapLong",     "(Ljava/lang/Object;JJJ)Z",                                   (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapLong             },
 122         { "getObjectVolatile",      "(Ljava/lang/Object;J)Ljava/lang/Object;",                    (void *) (intptr_t) &Java_sun_misc_Unsafe_getObjectVolatile              },
 123         { "putObjectVolatile",      "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void *) (intptr_t) &Java_sun_misc_Unsafe_putObjectVolatile              },
 124         { "getIntVolatile",         "(Ljava/lang/Object;J)I",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getIntVolatile                 },
 125         { "putIntVolatile",         "(Ljava/lang/Object;JI)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putIntVolatile                 },
 126         { "getLongVolatile",        "(Ljava/lang/Object;J)J",                                     (void *) (intptr_t) &Java_sun_misc_Unsafe_getLongVolatile                },
 127         { "putLongVolatile",        "(Ljava/lang/Object;JJ)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putLongVolatile                },
 128         { "putOrderedObject",       "(Ljava/lang/Object;JLjava/lang/Object;)V",                   (void *) (intptr_t) &Java_sun_misc_Unsafe_putOrderedObject               },
 129         { "putOrderedInt",          "(Ljava/lang/Object;JI)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putOrderedInt                  },
 130         { "putOrderedLong",         "(Ljava/lang/Object;JJ)V",                                    (void *) (intptr_t) &Java_sun_misc_Unsafe_putOrderedLong                 },
 131         { "unpark",                 "(Ljava/lang/Object;)V",                                      (void *) (intptr_t) &Java_sun_misc_Unsafe_unpark                         },
 132         { "park",                   "(ZJ)V",                                                      (void *) (intptr_t) &Java_sun_misc_Unsafe_park                           },
 133 };
 134
 135
 136 /* _Jv_sun_misc_Unsafe_init ****************************************************
 137
 138    Register native functions.
 139
 140 *******************************************************************************/
 141
 142 void _Jv_sun_misc_Unsafe_init(void)
 143 {
 144         utf *u;
 145
 146         u = utf_new_char("sun/misc/Unsafe");
 147
 148         native_method_register(u, methods, NATIVE_METHODS_COUNT);
 149 }
 150
 151
 152 /*
 153  * Class:     sun/misc/Unsafe
 154  * Method:    registerNatives
 155  * Signature: ()V
 156  */
 157 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_registerNatives(JNIEnv *env, jclass clazz)
 158 {
 159         /* The native methods of this function are already registered in
 160            _Jv_sun_misc_Unsafe_init() which is called during VM
 161            startup. */
 162 }
 163
 164
 165 /*
 166  * Class:     sun/misc/Unsafe
 167  * Method:    getInt
 168  * Signature: (Ljava/lang/Object;J)I
 169  */
 170 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 171 {
 172         int32_t *p;
 173         int32_t  value;
 174
 175         p = (int32_t *) (((uint8_t *) o) + offset);
 176
 177         value = *p;
 178
 179         return value;
 180 }
 181
 182
 183 /*
 184  * Class:     sun/misc/Unsafe
 185  * Method:    putInt
 186  * Signature: (Ljava/lang/Object;JI)V
 187  */
 188 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
 189 {
 190         int32_t *p;
 191
 192         p = (int32_t *) (((uint8_t *) o) + offset);
 193
 194         *p = x;
 195 }
 196
 197
 198 /*
 199  * Class:     sun/misc/Unsafe
 200  * Method:    getObject
 201  * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
 202  */
 203 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 204 {
 205         void **p;
 206         void  *value;
 207
 208         p = (void **) (((uint8_t *) o) + offset);
 209
 210         value = *p;
 211
 212         return value;
 213 }
 214
 215
 216 /*
 217  * Class:     sun/misc/Unsafe
 218  * Method:    putObject
 219  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
 220  */
 221 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
 222 {
 223         void **p;
 224
 225         p = (void **) (((uint8_t *) o) + offset);
 226
 227         *p = (void *) x;
 228 }
 229
 230
 231 /*
 232  * Class:     sun/misc/Unsafe
 233  * Method:    getBoolean
 234  * Signature: (Ljava/lang/Object;J)Z
 235  */
 236 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getBoolean(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 237 {
 238         int32_t *p;
 239         int32_t  value;
 240
 241         p = (int32_t *) (((uint8_t *) o) + offset);
 242
 243         value = *p;
 244
 245         return value;
 246 }
 247
 248
 249 /*
 250  * Class:     sun/misc/Unsafe
 251  * Method:    putBoolean
 252  * Signature: (Ljava/lang/Object;JZ)V
 253  */
 254 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putBoolean(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
 255 {
 256         int32_t *p;
 257
 258         p = (int32_t *) (((uint8_t *) o) + offset);
 259
 260         *p = x;
 261 }
 262
 263
 264 /*
 265  * Class:     sun/misc/Unsafe
 266  * Method:    getByte
 267  * Signature: (Ljava/lang/Object;J)B
 268  */
 269 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 270 {
 271         int32_t *p;
 272         int32_t  value;
 273
 274         p = (int32_t *) (((uint8_t *) o) + offset);
 275
 276         value = *p;
 277
 278         return value;
 279 }
 280
 281
 282 /*
 283  * Class:     sun/misc/Unsafe
 284  * Method:    putByte
 285  * Signature: (Ljava/lang/Object;JB)V
 286  */
 287 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
 288 {
 289         int32_t *p;
 290
 291         p = (int32_t *) (((uint8_t *) o) + offset);
 292
 293         *p = x;
 294 }
 295
 296
 297 /*
 298  * Class:     sun/misc/Unsafe
 299  * Method:    getShort
 300  * Signature: (Ljava/lang/Object;J)S
 301  */
 302 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getShort__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 303 {
 304         int32_t *p;
 305         int32_t  value;
 306
 307         p = (int32_t *) (((uint8_t *) o) + offset);
 308
 309         value = *p;
 310
 311         return value;
 312 }
 313
 314
 315 /*
 316  * Class:     sun/misc/Unsafe
 317  * Method:    putShort
 318  * Signature: (Ljava/lang/Object;JS)V
 319  */
 320 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
 321 {
 322         int32_t *p;
 323
 324         p = (int32_t *) (((uint8_t *) o) + offset);
 325
 326         *p = x;
 327 }
 328
 329
 330 /*
 331  * Class:     sun/misc/Unsafe
 332  * Method:    getChar
 333  * Signature: (Ljava/lang/Object;J)C
 334  */
 335 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 336 {
 337         int32_t *p;
 338         int32_t  value;
 339
 340         p = (int32_t *) (((uint8_t *) o) + offset);
 341
 342         value = *p;
 343
 344         return value;
 345 }
 346
 347
 348 /*
 349  * Class:     sun/misc/Unsafe
 350  * Method:    putChar
 351  * Signature: (Ljava/lang/Object;JC)V
 352  */
 353 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
 354 {
 355         int32_t *p;
 356
 357         p = (int32_t *) (((uint8_t *) o) + offset);
 358
 359         *p = x;
 360 }
 361
 362
 363 /*
 364  * Class:     sun/misc/Unsafe
 365  * Method:    getLong
 366  * Signature: (Ljava/lang/Object;J)J
 367  */
 368 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLong__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 369 {
 370         int64_t *p;
 371         int64_t  value;
 372
 373         p = (int64_t *) (((uint8_t *) o) + offset);
 374
 375         value = *p;
 376
 377         return value;
 378 }
 379
 380
 381 /*
 382  * Class:     sun/misc/Unsafe
 383  * Method:    putLong
 384  * Signature: (Ljava/lang/Object;JJ)V
 385  */
 386 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong__Ljava_lang_Object_2JJ(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t x)
 387 {
 388         int64_t *p;
 389
 390         p = (int64_t *) (((uint8_t *) o) + offset);
 391
 392         *p = x;
 393 }
 394
 395
 396 /*
 397  * Class:     sun/misc/Unsafe
 398  * Method:    getFloat
 399  * Signature: (Ljava/lang/Object;J)F
 400  */
 401 JNIEXPORT float JNICALL Java_sun_misc_Unsafe_getFloat__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 402 {
 403         float *p;
 404         float  value;
 405
 406         p = (float *) (((uint8_t *) o) + offset);
 407
 408         value = *p;
 409
 410         return value;
 411 }
 412
 413
 414 /*
 415  * Class:     sun/misc/Unsafe
 416  * Method:    putFloat
 417  * Signature: (Ljava/lang/Object;JF)V
 418  */
 419 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, float x)
 420 {
 421         float *p;
 422
 423         p = (float *) (((uint8_t *) o) + offset);
 424
 425         *p = x;
 426 }
 427
 428
 429 /*
 430  * Class:     sun/misc/Unsafe
 431  * Method:    getDouble
 432  * Signature: (Ljava/lang/Object;J)D
 433  */
 434 JNIEXPORT double JNICALL Java_sun_misc_Unsafe_getDouble__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
 435 {
 436         double *p;
 437         double  value;
 438
 439         p = (double *) (((uint8_t *) o) + offset);
 440
 441         value = *p;
 442
 443         return value;
 444 }
 445
 446
 447 /*
 448  * Class:     sun/misc/Unsafe
 449  * Method:    putDouble
 450  * Signature: (Ljava/lang/Object;JD)V
 451  */
 452 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putDouble__Ljava_lang_Object_2JD(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, double x)
 453 {
 454         double *p;
 455
 456         p = (double *) (((uint8_t *) o) + offset);
 457
 458         *p = x;
 459 }
 460
 461
 462 /*
 463  * Class:     sun/misc/Unsafe
 464  * Method:    getByte
 465  * Signature: (J)B
 466  */
 467 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getByte__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
 468 {
 469         int8_t *p;
 470         int8_t  value;
 471
 472         p = (int8_t *) (intptr_t) address;
 473
 474         value = *p;
 475
 476         return (int32_t) value;
 477 }
 478
 479
 480 /*
 481  * Class:     sun/misc/Unsafe
 482  * Method:    putByte
 483  * Signature: (JB)V
 484  */
 485 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putByte__JB(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int32_t value)
 486 {
 487         int8_t *p;
 488
 489         p = (int8_t *) (intptr_t) address;
 490
 491         *p = (int8_t) value;
 492 }
 493
 494
 495 /*
 496  * Class:     sun/misc/Unsafe
 497  * Method:    getShort
 498  * Signature: (J)S
 499  */
 500 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getShort__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
 501 {
 502         int16_t *p;
 503         int16_t  value;
 504
 505         p = (int16_t *) (intptr_t) address;
 506
 507         value = *p;
 508
 509         return (int32_t) value;
 510 }
 511
 512
 513 /*
 514  * Class:     sun/misc/Unsafe
 515  * Method:    putShort
 516  * Signature: (JS)V
 517  */
 518 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putShort__JS(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int32_t value)
 519 {
 520         int16_t *p;
 521
 522         p = (int16_t *) (intptr_t) address;
 523
 524         *p = (int16_t) value;
 525 }
 526
 527
 528 /*
 529  * Class:     sun/misc/Unsafe
 530  * Method:    getChar
 531  * Signature: (J)C
 532  */
 533 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getChar__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
 534 {
 535         uint16_t *p;
 536         uint16_t  value;
 537
 538         p = (uint16_t *) (intptr_t) address;
 539
 540         value = *p;
 541
 542         return (int32_t) value;
 543 }
 544
 545
 546 /*
 547  * Class:     sun/misc/Unsafe
 548  * Method:    putChar
 549  * Signature: (JC)V
 550  */
 551 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putChar__JC(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int32_t value)
 552 {
 553         uint16_t *p;
 554
 555         p = (uint16_t *) (intptr_t) address;
 556
 557         *p = (uint16_t) value;
 558 }
 559
 560
 561 /*
 562  * Class:     sun/misc/Unsafe
 563  * Method:    getInt
 564  * Signature: (J)I
 565  */
 566 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getInt__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
 567 {
 568         int32_t *p;
 569         int32_t  value;
 570
 571         p = (int32_t *) (intptr_t) address;
 572
 573         value = *p;
 574
 575         return value;
 576 }
 577
 578
 579 /*
 580  * Class:     sun/misc/Unsafe
 581  * Method:    putInt
 582  * Signature: (JI)V
 583  */
 584 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__JI(JNIEnv *env, struct sun_misc_Unsafe* this, int64_t address, int32_t value)
 585 {
 586         int32_t *p;
 587
 588         p = (int32_t *) (intptr_t) address;
 589
 590         *p = value;
 591 }
 592
 593
 594 /*
 595  * Class:     sun/misc/Unsafe
 596  * Method:    getLong
 597  * Signature: (J)J
 598  */
 599 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLong__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
 600 {
 601         int64_t *p;
 602         int64_t  value;
 603
 604         p = (int64_t *) (intptr_t) address;
 605
 606         value = *p;
 607
 608         return value;
 609 }
 610
 611
 612 /*
 613  * Class:     sun/misc/Unsafe
 614  * Method:    putLong
 615  * Signature: (JJ)V
 616  */
 617 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong__JJ(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int64_t value)
 618 {
 619         int64_t *p;
 620
 621         p = (int64_t *) (intptr_t) address;
 622
 623         *p = value;
 624 }
 625
 626
 627 /*
 628  * Class:     sun/misc/Unsafe
 629  * Method:    getFloat
 630  * Signature: (J)F
 631  */
 632 JNIEXPORT float JNICALL Java_sun_misc_Unsafe_getFloat__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
 633 {
 634         float *p;
 635         float  value;
 636
 637         p = (float *) (intptr_t) address;
 638
 639         value = *p;
 640
 641         return value;
 642 }
 643
 644
 645 /*
 646  * Class:     sun/misc/Unsafe
 647  * Method:    objectFieldOffset
 648  * Signature: (Ljava/lang/reflect/Field;)J
 649  */
 650 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_objectFieldOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *field)
 651 {
 652         classinfo *c;
 653         fieldinfo *f;
 654         int32_t    slot;
 655
 656         LLNI_field_get_cls(field, clazz, c);
 657         LLNI_field_get_val(field, slot , slot);
 658
 659         f = &c->fields[slot];
 660
 661         return (int64_t) f->offset;
 662 }
 663
 664
 665 /*
 666  * Class:     sun/misc/Unsafe
 667  * Method:    allocateMemory
 668  * Signature: (J)J
 669  */
 670 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_allocateMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t bytes)
 671 {
 672         size_t  length;
 673         void   *p;
 674
 675         length = (size_t) bytes;
 676
 677         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 678                 exceptions_throw_illegalargumentexception();
 679                 return 0;
 680         }
 681
 682         p = MNEW(uint8_t, length);
 683
 684         return (int64_t) (intptr_t) p;
 685 }
 686
 687
 688 #if 0
 689 /* OpenJDK 7 */
 690
 691 /*
 692  * Class:     sun/misc/Unsafe
 693  * Method:    setMemory
 694  * Signature: (Ljava/lang/Object;JJB)V
 695  */
 696 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t bytes, int32_t value)
 697 {
 698         size_t  length;
 699         void   *p;
 700
 701         length = (size_t) bytes;
 702
 703         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 704                 exceptions_throw_illegalargumentexception();
 705                 return;
 706         }
 707
 708         /* XXX Missing LLNI: we need to unwrap this object. */
 709
 710         p = (void *) (((uint8_t *) o) + offset);
 711
 712         /* XXX Not sure this is correct. */
 713
 714         system_memset(p, value, length);
 715 }
 716
 717
 718 /*
 719  * Class:     sun/misc/Unsafe
 720  * Method:    copyMemory
 721  * Signature: (Ljava/lang/Object;JLjava/lang/Object;JJ)V
 722  */
 723 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *srcBase, int64_t srcOffset, java_lang_Object *destBase, int64_t destOffset, int64_t bytes)
 724 {
 725         size_t  length;
 726         void   *src;
 727         void   *dest;
 728
 729         if (bytes == 0)
 730                 return;
 731
 732         length = (size_t) bytes;
 733
 734         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 735                 exceptions_throw_illegalargumentexception();
 736                 return;
 737         }
 738
 739         /* XXX Missing LLNI: We need to unwrap these objects. */
 740
 741         src  = (void *) (((uint8_t *) srcBase) + srcOffset);
 742         dest = (void *) (((uint8_t *) destBase) + destOffset);
 743
 744         system_memcpy(dest, src, length);
 745 }
 746 #else
 747 /*
 748  * Class:     sun/misc/Unsafe
 749  * Method:    setMemory
 750  * Signature: (JJB)V
 751  */
 752 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int64_t bytes, int32_t value)
 753 {
 754         size_t  length;
 755         void   *p;
 756
 757         length = (size_t) bytes;
 758
 759         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 760                 exceptions_throw_illegalargumentexception();
 761                 return;
 762         }
 763
 764         p = (void *) (intptr_t) address;
 765
 766         /* XXX Not sure this is correct. */
 767
 768         system_memset(p, value, length);
 769 }
 770
 771
 772 /*
 773  * Class:     sun/misc/Unsafe
 774  * Method:    copyMemory
 775  * Signature: (JJJ)V
 776  */
 777 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t srcAddress, int64_t destAddress, int64_t bytes)
 778 {
 779         size_t  length;
 780         void   *src;
 781         void   *dest;
 782
 783         if (bytes == 0)
 784                 return;
 785
 786         length = (size_t) bytes;
 787
 788         if ((length != (uint64_t) bytes) || (bytes < 0)) {
 789                 exceptions_throw_illegalargumentexception();
 790                 return;
 791         }
 792
 793         src  = (void *) (intptr_t) srcAddress;
 794         dest = (void *) (intptr_t) destAddress;
 795
 796         system_memcpy(dest, src, length);
 797 }
 798 #endif
 799
 800
 801 /*
 802  * Class:     sun/misc/Unsafe
 803  * Method:    freeMemory
 804  * Signature: (J)V
 805  */
 806 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_freeMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
 807 {
 808         void *p;
 809
 810         p = (void *) (intptr_t) address;
 811
 812         if (p == NULL)
 813                 return;
 814
 815         /* we pass length 1 to trick the free function */
 816
 817         MFREE(p, uint8_t, 1);
 818 }
 819
 820
 821 /*
 822  * Class:     sun/misc/Unsafe
 823  * Method:    staticFieldOffset
 824  * Signature: (Ljava/lang/reflect/Field;)J
 825  */
 826 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_staticFieldOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *f)
 827 {
 828         /* The offset of static fields is 0. */
 829
 830         return 0;
 831 }
 832
 833
 834 /*
 835  * Class:     sun/misc/Unsafe
 836  * Method:    staticFieldBase
 837  * Signature: (Ljava/lang/reflect/Field;)Ljava/lang/Object;
 838  */
 839 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_staticFieldBase(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *rf)
 840 {
 841         classinfo *c;
 842         fieldinfo *f;
 843         int32_t    slot;
 844
 845         LLNI_field_get_cls(rf, clazz, c);
 846         LLNI_field_get_val(rf, slot , slot);
 847
 848         f = &(c->fields[slot]);
 849
 850         return (java_lang_Object *) (f->value);
 851 }
 852
 853
 854 /*
 855  * Class:     sun/misc/Unsafe
 856  * Method:    ensureClassInitialized
 857  * Signature: (Ljava/lang/Class;)V
 858  */
 859 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_ensureClassInitialized(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *class)
 860 {
 861         classinfo *c;
 862
 863         c = LLNI_classinfo_unwrap(class);
 864
 865         if (!(c->state & CLASS_INITIALIZED))
 866                 initialize_class(c);
 867 }
 868
 869
 870 /*
 871  * Class:     sun/misc/Unsafe
 872  * Method:    arrayBaseOffset
 873  * Signature: (Ljava/lang/Class;)I
 874  */
 875 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayBaseOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *arrayClass)
 876 {
 877         classinfo       *c;
 878         arraydescriptor *ad;
 879
 880         c  = LLNI_classinfo_unwrap(arrayClass);
 881         ad = c->vftbl->arraydesc;
 882
 883         if (ad == NULL) {
 884                 /* XXX does that exception exist? */
 885                 exceptions_throw_internalerror("java/lang/InvalidClassException");
 886                 return 0;
 887         }
 888
 889         return ad->dataoffset;
 890 }
 891
 892
 893 /*
 894  * Class:     sun/misc/Unsafe
 895  * Method:    arrayIndexScale
 896  * Signature: (Ljava/lang/Class;)I
 897  */
 898 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayIndexScale(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *arrayClass)
 899 {
 900         classinfo       *c;
 901         arraydescriptor *ad;
 902
 903         c  = LLNI_classinfo_unwrap(arrayClass);
 904         ad = c->vftbl->arraydesc;
 905
 906         if (ad == NULL) {
 907                 /* XXX does that exception exist? */
 908                 exceptions_throw_internalerror("java/lang/InvalidClassException");
 909                 return 0;
 910         }
 911
 912         return ad->componentsize;
 913 }
 914
 915
 916 /*
 917  * Class:     sun/misc/Unsafe
 918  * Method:    addressSize
 919  * Signature: ()I
 920  */
 921 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_addressSize(JNIEnv *env, sun_misc_Unsafe *this)
 922 {
 923         return SIZEOF_VOID_P;
 924 }
 925
 926
 927 /*
 928  * Class:     sun/misc/Unsafe
 929  * Method:    pageSize
 930  * Signature: ()I
 931  */
 932 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_pageSize(JNIEnv *env, sun_misc_Unsafe *this)
 933 {
 934         int sz;
 935
 936         sz = getpagesize();
 937
 938         return sz;
 939 }
 940
 941
 942 /*
 943  * Class:     sun/misc/Unsafe
 944  * Method:    defineClass
 945  * Signature: (Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;
 946  */
 947 JNIEXPORT java_lang_Class* JNICALL Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2(JNIEnv *env, sun_misc_Unsafe *this, java_lang_String *name, java_handle_bytearray_t *b, int32_t off, int32_t len, java_lang_ClassLoader *loader, java_security_ProtectionDomain *protectionDomain)
 948 {
 949         classloader     *cl;
 950         utf             *utfname;
 951         classinfo       *c;
 952         java_lang_Class *o;
 953
 954         cl = loader_hashtable_classloader_add((java_handle_t *) loader);
 955
 956         /* check if data was passed */
 957
 958         if (b == NULL) {
 959                 exceptions_throw_nullpointerexception();
 960                 return NULL;
 961         }
 962
 963         /* check the indexes passed */
 964
 965         if ((off < 0) || (len < 0) || ((off + len) > LLNI_array_size(b))) {
 966                 exceptions_throw_arrayindexoutofboundsexception();
 967                 return NULL;
 968         }
 969
 970         if (name != NULL) {
 971                 /* convert '.' to '/' in java string */
 972
 973                 utfname = javastring_toutf((java_handle_t *) name, true);
 974         }
 975         else {
 976                 utfname = NULL;
 977         }
 978
 979         /* define the class */
 980
 981         c = class_define(utfname, cl, len, (uint8_t *) &(LLNI_array_direct(b, off)),
 982                                          (java_handle_t *) protectionDomain);
 983
 984         if (c == NULL)
 985                 return NULL;
 986
 987         /* for convenience */
 988
 989         o = LLNI_classinfo_wrap(c);
 990
 991 #if defined(WITH_CLASSPATH_GNU)
 992         /* set ProtectionDomain */
 993
 994         LLNI_field_set_ref(o, pd, protectionDomain);
 995 #endif
 996
 997         return o;
 998 }
 999
1000
1001 /*
1002  * Class:     sun/misc/Unsafe
1003  * Method:    allocateInstance
1004  * Signature: (Ljava/lang/Class;)Ljava/lang/Object;
1005  */
1006 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_allocateInstance(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *cls)
1007 {
1008         classinfo     *c;
1009         java_handle_t *o;
1010
1011         c = LLNI_classinfo_unwrap(cls);
1012
1013         o = builtin_new(c);
1014
1015         return (java_lang_Object *) o;
1016 }
1017
1018
1019 /*
1020  * Class:     sun/misc/Unsafe
1021  * Method:    throwException
1022  * Signature: (Ljava/lang/Throwable;)V
1023  */
1024 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_throwException(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Throwable *ee)
1025 {
1026         java_handle_t *o;
1027
1028         o = (java_handle_t *) ee;
1029
1030         exceptions_set_exception(o);
1031 }
1032
1033
1034 /*
1035  * Class:     sun/misc/Unsafe
1036  * Method:    compareAndSwapObject
1037  * Signature: (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
1038  */
1039 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *expected, java_lang_Object *x)
1040 {
1041 #if 1
1042         void **p;
1043         void  *value;
1044
1045         p = (void **) (((uint8_t *) o) + offset);
1046
1047         /* XXX this should be atomic */
1048
1049         value = *p;
1050
1051         if (value == expected) {
1052                 *p = x;
1053
1054                 return true;
1055         }
1056
1057         return false;
1058 #else
1059         volatile void **p;
1060         void           *result;
1061
1062         /* XXX Use LLNI */
1063
1064         p = (volatile void **) (((uint8_t *) o) + offset);
1065
1066         result = atomic_compare_and_swap_address(p, expected, x);
1067
1068         if (result == expected)
1069                 return true;
1070
1071         return false;
1072 #endif
1073 }
1074
1075
1076 /*
1077  * Class:     sun/misc/Unsafe
1078  * Method:    compareAndSwapInt
1079  * Signature: (Ljava/lang/Object;JII)Z
1080  */
1081 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapInt(JNIEnv *env, sun_misc_Unsafe* this, java_lang_Object* o, int64_t offset, int32_t expected, int32_t x)
1082 {
1083 #if 1
1084         int32_t *p;
1085         int32_t  value;
1086
1087         p = (int32_t *) (((uint8_t *) o) + offset);
1088
1089         /* XXX this should be atomic */
1090
1091         value = *p;
1092
1093         if (value == expected) {
1094                 *p = x;
1095
1096                 return true;
1097         }
1098
1099         return false;
1100 #else
1101         int32_t *p;
1102         int32_t  result;
1103
1104         /* XXX Use LLNI */
1105
1106         p = (int32_t *) (((uint8_t *) o) + offset);
1107
1108         result = atomic_compare_and_swap_int(p, expected, x);
1109
1110         if (result == expected)
1111                 return true;
1112
1113         return false;
1114 #endif
1115 }
1116
1117
1118 /*
1119  * Class:     sun/misc/Unsafe
1120  * Method:    compareAndSwapLong
1121  * Signature: (Ljava/lang/Object;JJJ)Z
1122  */
1123 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapLong(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t expected, int64_t x)
1124 {
1125         int64_t *p;
1126         int64_t  value;
1127
1128         p = (int64_t *) (((uint8_t *) o) + offset);
1129
1130         /* XXX this should be atomic */
1131
1132         value = *p;
1133
1134         if (value == expected) {
1135                 *p = x;
1136
1137                 return true;
1138         }
1139
1140         return false;
1141 }
1142
1143
1144 /*
1145  * Class:     sun/misc/Unsafe
1146  * Method:    getObjectVolatile
1147  * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
1148  */
1149 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObjectVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
1150 {
1151         volatile void **p;
1152         volatile void  *value;
1153
1154         p = (volatile void **) (((uint8_t *) o) + offset);
1155
1156         value = *p;
1157
1158         return (java_lang_Object *) value;
1159 }
1160
1161
1162 /*
1163  * Class:     sun/misc/Unsafe
1164  * Method:    putObjectVolatile
1165  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
1166  */
1167 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObjectVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
1168 {
1169         volatile void **p;
1170
1171         p = (volatile void **) (((uint8_t *) o) + offset);
1172
1173         *p = x;
1174 }
1175
1176
1177 #define UNSAFE_GET_VOLATILE(type)                                                       \
1178         java_handle_t *_h;                                                                              \
1179         java_object_t *_o;                                                                              \
1180         volatile type *_p;                                                                              \
1181         volatile type  _x;                                                                              \
1182                                                                                                                         \
1183         _h = (java_handle_t *) o;                                                               \
1184                                                                                                                         \
1185         LLNI_CRITICAL_START;                                                                    \
1186                                                                                                                         \
1187         _o = LLNI_UNWRAP(_h);                                                                   \
1188         _p = (volatile type *) (((uint8_t *) _o) + offset);             \
1189                                                                                                                         \
1190         _x = *_p;                                                                                               \
1191                                                                                                                         \
1192         LLNI_CRITICAL_END;                                                                              \
1193                                                                                                                         \
1194         return _x;
1195
1196
1197 #define UNSAFE_PUT_VOLATILE(type)                                                       \
1198         java_handle_t *_h;                                                                              \
1199         java_object_t *_o;                                                                              \
1200         volatile type *_p;                                                                              \
1201                                                                                                                         \
1202         _h = (java_handle_t *) o;                                                               \
1203                                                                                                                         \
1204         LLNI_CRITICAL_START;                                                                    \
1205                                                                                                                         \
1206         _o = LLNI_UNWRAP(_h);                                                                   \
1207         _p = (volatile type *) (((uint8_t *) _o) + offset);             \
1208                                                                                                                         \
1209         *_p = x;                                                                                                \
1210                                                                                                                         \
1211         MEMORY_BARRIER();                                                                               \
1212                                                                                                                         \
1213         LLNI_CRITICAL_END;
1214
1215
1216 /*
1217  * Class:     sun/misc/Unsafe
1218  * Method:    getIntVolatile
1219  * Signature: (Ljava/lang/Object;J)I
1220  */
1221 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getIntVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
1222 {
1223         UNSAFE_GET_VOLATILE(int32_t);
1224 }
1225
1226
1227 /*
1228  * Class:     sun/misc/Unsafe
1229  * Method:    putIntVolatile
1230  * Signature: (Ljava/lang/Object;JI)V
1231  */
1232 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putIntVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
1233 {
1234         UNSAFE_PUT_VOLATILE(int32_t);
1235 }
1236
1237
1238 /*
1239  * Class:     sun/misc/Unsafe
1240  * Method:    getLongVolatile
1241  * Signature: (Ljava/lang/Object;J)J
1242  */
1243 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
1244 {
1245         UNSAFE_GET_VOLATILE(int64_t);
1246 }
1247
1248
1249 /*
1250  * Class:     sun/misc/Unsafe
1251  * Method:    putLongVolatile
1252  * Signature: (Ljava/lang/Object;JJ)V
1253  */
1254 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLongVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t x)
1255 {
1256         UNSAFE_PUT_VOLATILE(int64_t);
1257 }
1258
1259
1260 /*
1261  * Class:     sun/misc/Unsafe
1262  * Method:    putOrderedObject
1263  * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
1264  */
1265 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
1266 {
1267         java_handle_t  *_h;
1268         java_handle_t  *_hx;
1269         java_object_t  *_o;
1270         java_object_t  *_x;
1271         volatile void **_p;
1272
1273         _h  = (java_handle_t *) o;
1274         _hx = (java_handle_t *) x;
1275
1276         LLNI_CRITICAL_START;
1277
1278         _o = LLNI_UNWRAP(_h);
1279         _x = LLNI_UNWRAP(_hx);
1280         _p = (volatile void **) (((uint8_t *) _o) + offset);
1281
1282         *_p = _x;
1283
1284         MEMORY_BARRIER();
1285
1286         LLNI_CRITICAL_END;
1287 }
1288
1289
1290 /*
1291  * Class:     sun/misc/Unsafe
1292  * Method:    putOrderedInt
1293  * Signature: (Ljava/lang/Object;JI)V
1294  */
1295 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedInt(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
1296 {
1297         UNSAFE_PUT_VOLATILE(int32_t);
1298 }
1299
1300
1301 /*
1302  * Class:     sun/misc/Unsafe
1303  * Method:    putOrderedLong
1304  * Signature: (Ljava/lang/Object;JJ)V
1305  */
1306 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedLong(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t x)
1307 {
1308         UNSAFE_PUT_VOLATILE(int64_t);
1309 }
1310
1311
1312 /*
1313  * Class:     sun/misc/Unsafe
1314  * Method:    unpark
1315  * Signature: (Ljava/lang/Object;)V
1316  */
1317 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_unpark(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *thread)
1318 {
1319         /* XXX IMPLEMENT ME */
1320 }
1321
1322
1323 /*
1324  * Class:     sun/misc/Unsafe
1325  * Method:    park
1326  * Signature: (ZJ)V
1327  */
1328 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, sun_misc_Unsafe *this, int32_t isAbsolute, int64_t time)
1329 {
1330         /* XXX IMPLEMENT ME */
1331 }
1332
1333
1334 /*
1335  * These are local overrides for various environment variables in Emacs.
1336  * Please do not remove this and leave it at the end of the file, where
1337  * Emacs will automagically detect them.
1338  * ---------------------------------------------------------------------
1339  * Local variables:
1340  * mode: c
1341  * indent-tabs-mode: t
1342  * c-basic-offset: 4
1343  * tab-width: 4
1344  * End:
1345  */