1 /*
   2  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_PRIMS_JVM_H
  26 #define SHARE_VM_PRIMS_JVM_H
  27 
  28 #include "prims/jni.h"
  29 #ifdef TARGET_OS_FAMILY_linux
  30 # include "jvm_linux.h"
  31 #endif
  32 #ifdef TARGET_OS_FAMILY_solaris
  33 # include "jvm_solaris.h"
  34 #endif
  35 #ifdef TARGET_OS_FAMILY_windows
  36 # include "jvm_windows.h"
  37 #endif
  38 #ifdef TARGET_OS_FAMILY_aix
  39 # include "jvm_aix.h"
  40 #endif
  41 #ifdef TARGET_OS_FAMILY_bsd
  42 # include "jvm_bsd.h"
  43 #endif
  44 
  45 #ifndef _JAVASOFT_JVM_H_
  46 #define _JAVASOFT_JVM_H_
  47 
  48 // HotSpot integration note:
  49 //
  50 // This file and jvm.h used with the JDK are identical,
  51 // except for the three includes removed below
  52 
  53 // #include <sys/stat.h>
  54 // #include "jni.h"
  55 // #include "jvm_md.h"
  56 
  57 
  58 #ifdef __cplusplus
  59 extern "C" {
  60 #endif
  61 
  62 /*
  63  * This file contains additional functions exported from the VM.
  64  * These functions are complementary to the standard JNI support.
  65  * There are three parts to this file:
  66  *
  67  * First, this file contains the VM-related functions needed by native
  68  * libraries in the standard Java API. For example, the java.lang.Object
  69  * class needs VM-level functions that wait for and notify monitors.
  70  *
  71  * Second, this file contains the functions and constant definitions
  72  * needed by the byte code verifier and class file format checker.
  73  * These functions allow the verifier and format checker to be written
  74  * in a VM-independent way.
  75  *
  76  * Third, this file contains various I/O and nerwork operations needed
  77  * by the standard Java I/O and network APIs.
  78  */
  79 
  80 /*
  81  * Bump the version number when either of the following happens:
  82  *
  83  * 1. There is a change in JVM_* functions.
  84  *
  85  * 2. There is a change in the contract between VM and Java classes.
  86  *    For example, if the VM relies on a new private field in Thread
  87  *    class.
  88  */
  89 
  90 #define JVM_INTERFACE_VERSION 4
  91 
  92 JNIEXPORT jobjectArray JNICALL
  93 JVM_GetMethodParameters(JNIEnv *env, jobject method);
  94 
  95 JNIEXPORT jint JNICALL
  96 JVM_GetInterfaceVersion(void);
  97 
  98 /*************************************************************************
  99  PART 1: Functions for Native Libraries
 100  ************************************************************************/
 101 /*
 102  * java.lang.Object
 103  */
 104 JNIEXPORT jint JNICALL
 105 JVM_IHashCode(JNIEnv *env, jobject obj);
 106 
 107 JNIEXPORT void JNICALL
 108 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
 109 
 110 JNIEXPORT void JNICALL
 111 JVM_MonitorNotify(JNIEnv *env, jobject obj);
 112 
 113 JNIEXPORT void JNICALL
 114 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
 115 
 116 JNIEXPORT jobject JNICALL
 117 JVM_Clone(JNIEnv *env, jobject obj);
 118 
 119 /*
 120  * java.lang.String
 121  */
 122 JNIEXPORT jstring JNICALL
 123 JVM_InternString(JNIEnv *env, jstring str);
 124 
 125 /*
 126  * java.lang.System
 127  */
 128 JNIEXPORT jlong JNICALL
 129 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
 130 
 131 JNIEXPORT jlong JNICALL
 132 JVM_NanoTime(JNIEnv *env, jclass ignored);
 133 
 134 JNIEXPORT void JNICALL
 135 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
 136               jobject dst, jint dst_pos, jint length);
 137 
 138 JNIEXPORT jobject JNICALL
 139 JVM_InitProperties(JNIEnv *env, jobject p);
 140 
 141 /*
 142  * java.io.File
 143  */
 144 JNIEXPORT void JNICALL
 145 JVM_OnExit(void (*func)(void));
 146 
 147 /*
 148  * java.lang.Runtime
 149  */
 150 JNIEXPORT void JNICALL
 151 JVM_Exit(jint code);
 152 
 153 JNIEXPORT void JNICALL
 154 JVM_Halt(jint code);
 155 
 156 JNIEXPORT void JNICALL
 157 JVM_GC(void);
 158 
 159 /* Returns the number of real-time milliseconds that have elapsed since the
 160  * least-recently-inspected heap object was last inspected by the garbage
 161  * collector.
 162  *
 163  * For simple stop-the-world collectors this value is just the time
 164  * since the most recent collection.  For generational collectors it is the
 165  * time since the oldest generation was most recently collected.  Other
 166  * collectors are free to return a pessimistic estimate of the elapsed time, or
 167  * simply the time since the last full collection was performed.
 168  *
 169  * Note that in the presence of reference objects, a given object that is no
 170  * longer strongly reachable may have to be inspected multiple times before it
 171  * can be reclaimed.
 172  */
 173 JNIEXPORT jlong JNICALL
 174 JVM_MaxObjectInspectionAge(void);
 175 
 176 JNIEXPORT void JNICALL
 177 JVM_TraceInstructions(jboolean on);
 178 
 179 JNIEXPORT void JNICALL
 180 JVM_TraceMethodCalls(jboolean on);
 181 
 182 JNIEXPORT jlong JNICALL
 183 JVM_TotalMemory(void);
 184 
 185 JNIEXPORT jlong JNICALL
 186 JVM_FreeMemory(void);
 187 
 188 JNIEXPORT jlong JNICALL
 189 JVM_MaxMemory(void);
 190 
 191 JNIEXPORT jint JNICALL
 192 JVM_ActiveProcessorCount(void);
 193 
 194 JNIEXPORT void * JNICALL
 195 JVM_LoadLibrary(const char *name);
 196 
 197 JNIEXPORT void JNICALL
 198 JVM_UnloadLibrary(void * handle);
 199 
 200 JNIEXPORT void * JNICALL
 201 JVM_FindLibraryEntry(void *handle, const char *name);
 202 
 203 JNIEXPORT jboolean JNICALL
 204 JVM_IsSupportedJNIVersion(jint version);
 205 
 206 /*
 207  * java.lang.Float and java.lang.Double
 208  */
 209 JNIEXPORT jboolean JNICALL
 210 JVM_IsNaN(jdouble d);
 211 
 212 /*
 213  * java.lang.Throwable
 214  */
 215 JNIEXPORT void JNICALL
 216 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
 217 
 218 JNIEXPORT jint JNICALL
 219 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
 220 
 221 JNIEXPORT jobject JNICALL
 222 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
 223 
 224 /*
 225  * java.lang.Compiler
 226  */
 227 JNIEXPORT void JNICALL
 228 JVM_InitializeCompiler (JNIEnv *env, jclass compCls);
 229 
 230 JNIEXPORT jboolean JNICALL
 231 JVM_IsSilentCompiler(JNIEnv *env, jclass compCls);
 232 
 233 JNIEXPORT jboolean JNICALL
 234 JVM_CompileClass(JNIEnv *env, jclass compCls, jclass cls);
 235 
 236 JNIEXPORT jboolean JNICALL
 237 JVM_CompileClasses(JNIEnv *env, jclass cls, jstring jname);
 238 
 239 JNIEXPORT jobject JNICALL
 240 JVM_CompilerCommand(JNIEnv *env, jclass compCls, jobject arg);
 241 
 242 JNIEXPORT void JNICALL
 243 JVM_EnableCompiler(JNIEnv *env, jclass compCls);
 244 
 245 JNIEXPORT void JNICALL
 246 JVM_DisableCompiler(JNIEnv *env, jclass compCls);
 247 
 248 /*
 249  * java.lang.Thread
 250  */
 251 JNIEXPORT void JNICALL
 252 JVM_StartThread(JNIEnv *env, jobject thread);
 253 
 254 JNIEXPORT void JNICALL
 255 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
 256 
 257 JNIEXPORT jboolean JNICALL
 258 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
 259 
 260 JNIEXPORT void JNICALL
 261 JVM_SuspendThread(JNIEnv *env, jobject thread);
 262 
 263 JNIEXPORT void JNICALL
 264 JVM_ResumeThread(JNIEnv *env, jobject thread);
 265 
 266 JNIEXPORT void JNICALL
 267 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
 268 
 269 JNIEXPORT void JNICALL
 270 JVM_Yield(JNIEnv *env, jclass threadClass);
 271 
 272 JNIEXPORT void JNICALL
 273 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
 274 
 275 JNIEXPORT jobject JNICALL
 276 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
 277 
 278 JNIEXPORT jint JNICALL
 279 JVM_CountStackFrames(JNIEnv *env, jobject thread);
 280 
 281 JNIEXPORT void JNICALL
 282 JVM_Interrupt(JNIEnv *env, jobject thread);
 283 
 284 JNIEXPORT jboolean JNICALL
 285 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
 286 
 287 JNIEXPORT jboolean JNICALL
 288 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
 289 
 290 JNIEXPORT void JNICALL
 291 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
 292 
 293 JNIEXPORT jobjectArray JNICALL
 294 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
 295 
 296 JNIEXPORT void JNICALL
 297 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
 298 
 299 /* getStackTrace() and getAllStackTraces() method */
 300 JNIEXPORT jobjectArray JNICALL
 301 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
 302 
 303 /*
 304  * java.lang.SecurityManager
 305  */
 306 JNIEXPORT jclass JNICALL
 307 JVM_CurrentLoadedClass(JNIEnv *env);
 308 
 309 JNIEXPORT jobject JNICALL
 310 JVM_CurrentClassLoader(JNIEnv *env);
 311 
 312 JNIEXPORT jobjectArray JNICALL
 313 JVM_GetClassContext(JNIEnv *env);
 314 
 315 JNIEXPORT jint JNICALL
 316 JVM_ClassDepth(JNIEnv *env, jstring name);
 317 
 318 JNIEXPORT jint JNICALL
 319 JVM_ClassLoaderDepth(JNIEnv *env);
 320 
 321 /*
 322  * java.lang.Package
 323  */
 324 JNIEXPORT jstring JNICALL
 325 JVM_GetSystemPackage(JNIEnv *env, jstring name);
 326 
 327 JNIEXPORT jobjectArray JNICALL
 328 JVM_GetSystemPackages(JNIEnv *env);
 329 
 330 /*
 331  * java.io.ObjectInputStream
 332  */
 333 JNIEXPORT jobject JNICALL
 334 JVM_AllocateNewObject(JNIEnv *env, jobject obj, jclass currClass,
 335                       jclass initClass);
 336 
 337 JNIEXPORT jobject JNICALL
 338 JVM_AllocateNewArray(JNIEnv *env, jobject obj, jclass currClass,
 339                      jint length);
 340 
 341 JNIEXPORT jobject JNICALL
 342 JVM_LatestUserDefinedLoader(JNIEnv *env);
 343 
 344 /*
 345  * This function has been deprecated and should not be considered
 346  * part of the specified JVM interface.
 347  */
 348 JNIEXPORT jclass JNICALL
 349 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass,
 350                jstring currClassName);
 351 
 352 /*
 353  * java.lang.reflect.Array
 354  */
 355 JNIEXPORT jint JNICALL
 356 JVM_GetArrayLength(JNIEnv *env, jobject arr);
 357 
 358 JNIEXPORT jobject JNICALL
 359 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
 360 
 361 JNIEXPORT jvalue JNICALL
 362 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
 363 
 364 JNIEXPORT void JNICALL
 365 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
 366 
 367 JNIEXPORT void JNICALL
 368 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
 369                              unsigned char vCode);
 370 
 371 JNIEXPORT jobject JNICALL
 372 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
 373 
 374 JNIEXPORT jobject JNICALL
 375 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
 376 
 377 /*
 378  * java.lang.Class and java.lang.ClassLoader
 379  */
 380 
 381 #define JVM_CALLER_DEPTH -1
 382 
 383 /*
 384  * Returns the class in which the code invoking the native method
 385  * belongs.
 386  *
 387  * Note that in JDK 1.1, native methods did not create a frame.
 388  * In 1.2, they do. Therefore native methods like Class.forName
 389  * can no longer look at the current frame for the caller class.
 390  */
 391 JNIEXPORT jclass JNICALL
 392 JVM_GetCallerClass(JNIEnv *env, int n);
 393 
 394 /*
 395  * Find primitive classes
 396  * utf: class name
 397  */
 398 JNIEXPORT jclass JNICALL
 399 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
 400 
 401 /*
 402  * Link the class
 403  */
 404 JNIEXPORT void JNICALL
 405 JVM_ResolveClass(JNIEnv *env, jclass cls);
 406 
 407 /*
 408  * Find a class from a given class loader. Throw ClassNotFoundException
 409  * or NoClassDefFoundError depending on the value of the last
 410  * argument.
 411  */
 412 JNIEXPORT jclass JNICALL
 413 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init,
 414                              jobject loader, jboolean throwError);
 415 
 416 /*
 417  * Find a class from a boot class loader. Returns NULL if class not found.
 418  */
 419 JNIEXPORT jclass JNICALL
 420 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
 421 
 422 /*
 423  * Find a class from a given class loader.  Throws ClassNotFoundException.
 424  *  name:   name of class
 425  *  init:   whether initialization is done
 426  *  loader: class loader to look up the class. This may not be the same as the caller's
 427  *          class loader.
 428  *  caller: initiating class. The initiating class may be null when a security
 429  *          manager is not installed.
 430  */
 431 JNIEXPORT jclass JNICALL
 432 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init,
 433                         jobject loader, jclass caller);
 434 
 435 /*
 436  * Find a class from a given class.
 437  */
 438 JNIEXPORT jclass JNICALL
 439 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
 440                              jclass from);
 441 
 442 /* Find a loaded class cached by the VM */
 443 JNIEXPORT jclass JNICALL
 444 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
 445 
 446 /* Define a class */
 447 JNIEXPORT jclass JNICALL
 448 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
 449                 jsize len, jobject pd);
 450 
 451 /* Define a class with a source (added in JDK1.5) */
 452 JNIEXPORT jclass JNICALL
 453 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
 454                           const jbyte *buf, jsize len, jobject pd,
 455                           const char *source);
 456 
 457 /* Define a class with a source with conditional verification (added HSX 14)
 458  * -Xverify:all will verify anyway, -Xverify:none will not verify,
 459  * -Xverify:remote (default) will obey this conditional
 460  * i.e. true = should_verify_class
 461  */
 462 JNIEXPORT jclass JNICALL
 463 JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name,
 464                               jobject loader, const jbyte *buf,
 465                               jsize len, jobject pd, const char *source,
 466                               jboolean verify);
 467 
 468 /*
 469  * Reflection support functions
 470  */
 471 
 472 JNIEXPORT jstring JNICALL
 473 JVM_GetClassName(JNIEnv *env, jclass cls);
 474 
 475 JNIEXPORT jobjectArray JNICALL
 476 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
 477 
 478 JNIEXPORT jobject JNICALL
 479 JVM_GetClassLoader(JNIEnv *env, jclass cls);
 480 
 481 JNIEXPORT jboolean JNICALL
 482 JVM_IsInterface(JNIEnv *env, jclass cls);
 483 
 484 JNIEXPORT jobjectArray JNICALL
 485 JVM_GetClassSigners(JNIEnv *env, jclass cls);
 486 
 487 JNIEXPORT void JNICALL
 488 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
 489 
 490 JNIEXPORT jobject JNICALL
 491 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
 492 
 493 JNIEXPORT jboolean JNICALL
 494 JVM_IsArrayClass(JNIEnv *env, jclass cls);
 495 
 496 JNIEXPORT jboolean JNICALL
 497 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
 498 
 499 JNIEXPORT jclass JNICALL
 500 JVM_GetComponentType(JNIEnv *env, jclass cls);
 501 
 502 JNIEXPORT jint JNICALL
 503 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
 504 
 505 JNIEXPORT jobjectArray JNICALL
 506 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
 507 
 508 JNIEXPORT jclass JNICALL
 509 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
 510 
 511 /* Generics support (JDK 1.5) */
 512 JNIEXPORT jstring JNICALL
 513 JVM_GetClassSignature(JNIEnv *env, jclass cls);
 514 
 515 /* Annotations support (JDK 1.5) */
 516 JNIEXPORT jbyteArray JNICALL
 517 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
 518 
 519 /* Annotations support (JDK 1.6) */
 520 
 521 // field is a handle to a java.lang.reflect.Field object
 522 JNIEXPORT jbyteArray JNICALL
 523 JVM_GetFieldAnnotations(JNIEnv *env, jobject field);
 524 
 525 // method is a handle to a java.lang.reflect.Method object
 526 JNIEXPORT jbyteArray JNICALL
 527 JVM_GetMethodAnnotations(JNIEnv *env, jobject method);
 528 
 529 // method is a handle to a java.lang.reflect.Method object
 530 JNIEXPORT jbyteArray JNICALL
 531 JVM_GetMethodDefaultAnnotationValue(JNIEnv *env, jobject method);
 532 
 533 // method is a handle to a java.lang.reflect.Method object
 534 JNIEXPORT jbyteArray JNICALL
 535 JVM_GetMethodParameterAnnotations(JNIEnv *env, jobject method);
 536 
 537 /* Type use annotations support (JDK 1.8) */
 538 
 539 JNIEXPORT jbyteArray JNICALL
 540 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls);
 541 
 542 // field is a handle to a java.lang.reflect.Field object
 543 JNIEXPORT jbyteArray JNICALL
 544 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field);
 545 
 546 // method is a handle to a java.lang.reflect.Method object
 547 JNIEXPORT jbyteArray JNICALL
 548 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method);
 549 
 550 /*
 551  * New (JDK 1.4) reflection implementation
 552  */
 553 
 554 JNIEXPORT jobjectArray JNICALL
 555 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
 556 
 557 JNIEXPORT jobjectArray JNICALL
 558 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
 559 
 560 JNIEXPORT jobjectArray JNICALL
 561 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
 562 
 563 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
 564    This returns the access flags for the class as specified in the
 565    class file rather than searching the InnerClasses attribute (if
 566    present) to find the source-level access flags. Only the values of
 567    the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
 568    valid. */
 569 JNIEXPORT jint JNICALL
 570 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
 571 
 572 /*
 573  * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
 574  */
 575 
 576 JNIEXPORT jobject JNICALL
 577 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
 578 
 579 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
 580 (JNIEnv *env, jobject obj, jobject unused);
 581 
 582 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
 583 (JNIEnv *env, jobject obj, jobject unused, jint index);
 584 
 585 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
 586 (JNIEnv *env, jobject obj, jobject unused, jint index);
 587 
 588 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
 589 (JNIEnv *env, jobject obj, jobject unused, jint index);
 590 
 591 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
 592 (JNIEnv *env, jobject obj, jobject unused, jint index);
 593 
 594 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
 595 (JNIEnv *env, jobject obj, jobject unused, jint index);
 596 
 597 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
 598 (JNIEnv *env, jobject obj, jobject unused, jint index);
 599 
 600 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
 601 (JNIEnv *env, jobject obj, jobject unused, jint index);
 602 
 603 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
 604 (JNIEnv *env, jobject obj, jobject unused, jint index);
 605 
 606 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
 607 (JNIEnv *env, jobject obj, jobject unused, jint index);
 608 
 609 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
 610 (JNIEnv *env, jobject obj, jobject unused, jint index);
 611 
 612 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
 613 (JNIEnv *env, jobject obj, jobject unused, jint index);
 614 
 615 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
 616 (JNIEnv *env, jobject obj, jobject unused, jint index);
 617 
 618 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
 619 (JNIEnv *env, jobject obj, jobject unused, jint index);
 620 
 621 /*
 622  * java.security.*
 623  */
 624 
 625 JNIEXPORT jobject JNICALL
 626 JVM_DoPrivileged(JNIEnv *env, jclass cls,
 627                  jobject action, jobject context, jboolean wrapException);
 628 
 629 JNIEXPORT jobject JNICALL
 630 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
 631 
 632 JNIEXPORT jobject JNICALL
 633 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
 634 
 635 /*
 636  * Signal support, used to implement the shutdown sequence.  Every VM must
 637  * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
 638  * (^C) and the latter for external termination (kill, system shutdown, etc.).
 639  * Other platform-dependent signal values may also be supported.
 640  */
 641 
 642 JNIEXPORT void * JNICALL
 643 JVM_RegisterSignal(jint sig, void *handler);
 644 
 645 JNIEXPORT jboolean JNICALL
 646 JVM_RaiseSignal(jint sig);
 647 
 648 JNIEXPORT jint JNICALL
 649 JVM_FindSignal(const char *name);
 650 
 651 /*
 652  * Retrieve the assertion directives for the specified class.
 653  */
 654 JNIEXPORT jboolean JNICALL
 655 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
 656 
 657 /*
 658  * Retrieve the assertion directives from the VM.
 659  */
 660 JNIEXPORT jobject JNICALL
 661 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
 662 
 663 /*
 664  * java.util.concurrent.atomic.AtomicLong
 665  */
 666 JNIEXPORT jboolean JNICALL
 667 JVM_SupportsCX8(void);
 668 
 669 JNIEXPORT jboolean JNICALL
 670 JVM_CX8Field(JNIEnv *env, jobject obj, jfieldID fldID, jlong oldVal, jlong newVal);
 671 
 672 /*
 673  * com.sun.dtrace.jsdt support
 674  */
 675 
 676 #define JVM_TRACING_DTRACE_VERSION 1
 677 
 678 /*
 679  * Structure to pass one probe description to JVM.
 680  *
 681  * The VM will overwrite the definition of the referenced method with
 682  * code that will fire the probe.
 683  */
 684 typedef struct {
 685     jmethodID method;
 686     jstring   function;
 687     jstring   name;
 688     void*     reserved[4];     // for future use
 689 } JVM_DTraceProbe;
 690 
 691 /**
 692  * Encapsulates the stability ratings for a DTrace provider field
 693  */
 694 typedef struct {
 695     jint nameStability;
 696     jint dataStability;
 697     jint dependencyClass;
 698 } JVM_DTraceInterfaceAttributes;
 699 
 700 /*
 701  * Structure to pass one provider description to JVM
 702  */
 703 typedef struct {
 704     jstring                       name;
 705     JVM_DTraceProbe*              probes;
 706     jint                          probe_count;
 707     JVM_DTraceInterfaceAttributes providerAttributes;
 708     JVM_DTraceInterfaceAttributes moduleAttributes;
 709     JVM_DTraceInterfaceAttributes functionAttributes;
 710     JVM_DTraceInterfaceAttributes nameAttributes;
 711     JVM_DTraceInterfaceAttributes argsAttributes;
 712     void*                         reserved[4]; // for future use
 713 } JVM_DTraceProvider;
 714 
 715 /*
 716  * Get the version number the JVM was built with
 717  */
 718 JNIEXPORT jint JNICALL
 719 JVM_DTraceGetVersion(JNIEnv* env);
 720 
 721 /*
 722  * Register new probe with given signature, return global handle
 723  *
 724  * The version passed in is the version that the library code was
 725  * built with.
 726  */
 727 JNIEXPORT jlong JNICALL
 728 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name,
 729   jint providers_count, JVM_DTraceProvider* providers);
 730 
 731 /*
 732  * Check JSDT probe
 733  */
 734 JNIEXPORT jboolean JNICALL
 735 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method);
 736 
 737 /*
 738  * Destroy custom DOF
 739  */
 740 JNIEXPORT void JNICALL
 741 JVM_DTraceDispose(JNIEnv* env, jlong handle);
 742 
 743 /*
 744  * Check to see if DTrace is supported by OS
 745  */
 746 JNIEXPORT jboolean JNICALL
 747 JVM_DTraceIsSupported(JNIEnv* env);
 748 
 749 /*************************************************************************
 750  PART 2: Support for the Verifier and Class File Format Checker
 751  ************************************************************************/
 752 /*
 753  * Return the class name in UTF format. The result is valid
 754  * until JVM_ReleaseUTf is called.
 755  *
 756  * The caller must treat the string as a constant and not modify it
 757  * in any way.
 758  */
 759 JNIEXPORT const char * JNICALL
 760 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
 761 
 762 /*
 763  * Returns the constant pool types in the buffer provided by "types."
 764  */
 765 JNIEXPORT void JNICALL
 766 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
 767 
 768 /*
 769  * Returns the number of Constant Pool entries.
 770  */
 771 JNIEXPORT jint JNICALL
 772 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
 773 
 774 /*
 775  * Returns the number of *declared* fields or methods.
 776  */
 777 JNIEXPORT jint JNICALL
 778 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
 779 
 780 JNIEXPORT jint JNICALL
 781 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
 782 
 783 /*
 784  * Returns the CP indexes of exceptions raised by a given method.
 785  * Places the result in the given buffer.
 786  *
 787  * The method is identified by method_index.
 788  */
 789 JNIEXPORT void JNICALL
 790 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
 791                                 unsigned short *exceptions);
 792 /*
 793  * Returns the number of exceptions raised by a given method.
 794  * The method is identified by method_index.
 795  */
 796 JNIEXPORT jint JNICALL
 797 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
 798 
 799 /*
 800  * Returns the byte code sequence of a given method.
 801  * Places the result in the given buffer.
 802  *
 803  * The method is identified by method_index.
 804  */
 805 JNIEXPORT void JNICALL
 806 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
 807                         unsigned char *code);
 808 
 809 /*
 810  * Returns the length of the byte code sequence of a given method.
 811  * The method is identified by method_index.
 812  */
 813 JNIEXPORT jint JNICALL
 814 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
 815 
 816 /*
 817  * A structure used to a capture exception table entry in a Java method.
 818  */
 819 typedef struct {
 820     jint start_pc;
 821     jint end_pc;
 822     jint handler_pc;
 823     jint catchType;
 824 } JVM_ExceptionTableEntryType;
 825 
 826 /*
 827  * Returns the exception table entry at entry_index of a given method.
 828  * Places the result in the given buffer.
 829  *
 830  * The method is identified by method_index.
 831  */
 832 JNIEXPORT void JNICALL
 833 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
 834                                    jint entry_index,
 835                                    JVM_ExceptionTableEntryType *entry);
 836 
 837 /*
 838  * Returns the length of the exception table of a given method.
 839  * The method is identified by method_index.
 840  */
 841 JNIEXPORT jint JNICALL
 842 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
 843 
 844 /*
 845  * Returns the modifiers of a given field.
 846  * The field is identified by field_index.
 847  */
 848 JNIEXPORT jint JNICALL
 849 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
 850 
 851 /*
 852  * Returns the modifiers of a given method.
 853  * The method is identified by method_index.
 854  */
 855 JNIEXPORT jint JNICALL
 856 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
 857 
 858 /*
 859  * Returns the number of local variables of a given method.
 860  * The method is identified by method_index.
 861  */
 862 JNIEXPORT jint JNICALL
 863 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
 864 
 865 /*
 866  * Returns the number of arguments (including this pointer) of a given method.
 867  * The method is identified by method_index.
 868  */
 869 JNIEXPORT jint JNICALL
 870 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
 871 
 872 /*
 873  * Returns the maximum amount of stack (in words) used by a given method.
 874  * The method is identified by method_index.
 875  */
 876 JNIEXPORT jint JNICALL
 877 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
 878 
 879 /*
 880  * Is a given method a constructor.
 881  * The method is identified by method_index.
 882  */
 883 JNIEXPORT jboolean JNICALL
 884 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
 885 
 886 /*
 887  * Is the given method generated by the VM.
 888  * The method is identified by method_index.
 889  */
 890 JNIEXPORT jboolean JNICALL
 891 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
 892 
 893 /*
 894  * Returns the name of a given method in UTF format.
 895  * The result remains valid until JVM_ReleaseUTF is called.
 896  *
 897  * The caller must treat the string as a constant and not modify it
 898  * in any way.
 899  */
 900 JNIEXPORT const char * JNICALL
 901 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
 902 
 903 /*
 904  * Returns the signature of a given method in UTF format.
 905  * The result remains valid until JVM_ReleaseUTF is called.
 906  *
 907  * The caller must treat the string as a constant and not modify it
 908  * in any way.
 909  */
 910 JNIEXPORT const char * JNICALL
 911 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
 912 
 913 /*
 914  * Returns the name of the field refered to at a given constant pool
 915  * index.
 916  *
 917  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 918  * is called.
 919  *
 920  * The caller must treat the string as a constant and not modify it
 921  * in any way.
 922  */
 923 JNIEXPORT const char * JNICALL
 924 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
 925 
 926 /*
 927  * Returns the name of the method refered to at a given constant pool
 928  * index.
 929  *
 930  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 931  * is called.
 932  *
 933  * The caller must treat the string as a constant and not modify it
 934  * in any way.
 935  */
 936 JNIEXPORT const char * JNICALL
 937 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
 938 
 939 /*
 940  * Returns the signature of the method refered to at a given constant pool
 941  * index.
 942  *
 943  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 944  * is called.
 945  *
 946  * The caller must treat the string as a constant and not modify it
 947  * in any way.
 948  */
 949 JNIEXPORT const char * JNICALL
 950 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
 951 
 952 /*
 953  * Returns the signature of the field refered to at a given constant pool
 954  * index.
 955  *
 956  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 957  * is called.
 958  *
 959  * The caller must treat the string as a constant and not modify it
 960  * in any way.
 961  */
 962 JNIEXPORT const char * JNICALL
 963 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
 964 
 965 /*
 966  * Returns the class name refered to at a given constant pool index.
 967  *
 968  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 969  * is called.
 970  *
 971  * The caller must treat the string as a constant and not modify it
 972  * in any way.
 973  */
 974 JNIEXPORT const char * JNICALL
 975 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
 976 
 977 /*
 978  * Returns the class name refered to at a given constant pool index.
 979  *
 980  * The constant pool entry must refer to a CONSTANT_Fieldref.
 981  *
 982  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 983  * is called.
 984  *
 985  * The caller must treat the string as a constant and not modify it
 986  * in any way.
 987  */
 988 JNIEXPORT const char * JNICALL
 989 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
 990 
 991 /*
 992  * Returns the class name refered to at a given constant pool index.
 993  *
 994  * The constant pool entry must refer to CONSTANT_Methodref or
 995  * CONSTANT_InterfaceMethodref.
 996  *
 997  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 998  * is called.
 999  *
1000  * The caller must treat the string as a constant and not modify it
1001  * in any way.
1002  */
1003 JNIEXPORT const char * JNICALL
1004 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
1005 
1006 /*
1007  * Returns the modifiers of a field in calledClass. The field is
1008  * referred to in class cb at constant pool entry index.
1009  *
1010  * The caller must treat the string as a constant and not modify it
1011  * in any way.
1012  *
1013  * Returns -1 if the field does not exist in calledClass.
1014  */
1015 JNIEXPORT jint JNICALL
1016 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
1017 
1018 /*
1019  * Returns the modifiers of a method in calledClass. The method is
1020  * referred to in class cb at constant pool entry index.
1021  *
1022  * Returns -1 if the method does not exist in calledClass.
1023  */
1024 JNIEXPORT jint JNICALL
1025 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
1026 
1027 /*
1028  * Releases the UTF string obtained from the VM.
1029  */
1030 JNIEXPORT void JNICALL
1031 JVM_ReleaseUTF(const char *utf);
1032 
1033 /*
1034  * Compare if two classes are in the same package.
1035  */
1036 JNIEXPORT jboolean JNICALL
1037 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
1038 
1039 /* Constants in class files */
1040 
1041 #define JVM_ACC_PUBLIC        0x0001  /* visible to everyone */
1042 #define JVM_ACC_PRIVATE       0x0002  /* visible only to the defining class */
1043 #define JVM_ACC_PROTECTED     0x0004  /* visible to subclasses */
1044 #define JVM_ACC_STATIC        0x0008  /* instance variable is static */
1045 #define JVM_ACC_FINAL         0x0010  /* no further subclassing, overriding */
1046 #define JVM_ACC_SYNCHRONIZED  0x0020  /* wrap method call in monitor lock */
1047 #define JVM_ACC_SUPER         0x0020  /* funky handling of invokespecial */
1048 #define JVM_ACC_VOLATILE      0x0040  /* can not cache in registers */
1049 #define JVM_ACC_BRIDGE        0x0040  /* bridge method generated by compiler */
1050 #define JVM_ACC_TRANSIENT     0x0080  /* not persistent */
1051 #define JVM_ACC_VARARGS       0x0080  /* method declared with variable number of args */
1052 #define JVM_ACC_NATIVE        0x0100  /* implemented in C */
1053 #define JVM_ACC_INTERFACE     0x0200  /* class is an interface */
1054 #define JVM_ACC_ABSTRACT      0x0400  /* no definition provided */
1055 #define JVM_ACC_STRICT        0x0800  /* strict floating point */
1056 #define JVM_ACC_SYNTHETIC     0x1000  /* compiler-generated class, method or field */
1057 #define JVM_ACC_ANNOTATION    0x2000  /* annotation type */
1058 #define JVM_ACC_ENUM          0x4000  /* field is declared as element of enum */
1059 
1060 #define JVM_ACC_PUBLIC_BIT        0
1061 #define JVM_ACC_PRIVATE_BIT       1
1062 #define JVM_ACC_PROTECTED_BIT     2
1063 #define JVM_ACC_STATIC_BIT        3
1064 #define JVM_ACC_FINAL_BIT         4
1065 #define JVM_ACC_SYNCHRONIZED_BIT  5
1066 #define JVM_ACC_SUPER_BIT         5
1067 #define JVM_ACC_VOLATILE_BIT      6
1068 #define JVM_ACC_BRIDGE_BIT        6
1069 #define JVM_ACC_TRANSIENT_BIT     7
1070 #define JVM_ACC_VARARGS_BIT       7
1071 #define JVM_ACC_NATIVE_BIT        8
1072 #define JVM_ACC_INTERFACE_BIT     9
1073 #define JVM_ACC_ABSTRACT_BIT      10
1074 #define JVM_ACC_STRICT_BIT        11
1075 #define JVM_ACC_SYNTHETIC_BIT     12
1076 #define JVM_ACC_ANNOTATION_BIT    13
1077 #define JVM_ACC_ENUM_BIT          14
1078 
1079 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
1080 enum {
1081     JVM_CONSTANT_Utf8 = 1,
1082     JVM_CONSTANT_Unicode,               /* unused */
1083     JVM_CONSTANT_Integer,
1084     JVM_CONSTANT_Float,
1085     JVM_CONSTANT_Long,
1086     JVM_CONSTANT_Double,
1087     JVM_CONSTANT_Class,
1088     JVM_CONSTANT_String,
1089     JVM_CONSTANT_Fieldref,
1090     JVM_CONSTANT_Methodref,
1091     JVM_CONSTANT_InterfaceMethodref,
1092     JVM_CONSTANT_NameAndType,
1093     JVM_CONSTANT_MethodHandle           = 15,  // JSR 292
1094     JVM_CONSTANT_MethodType             = 16,  // JSR 292
1095     //JVM_CONSTANT_(unused)             = 17,  // JSR 292 early drafts only
1096     JVM_CONSTANT_InvokeDynamic          = 18,  // JSR 292
1097     JVM_CONSTANT_ExternalMax            = 18   // Last tag found in classfiles
1098 };
1099 
1100 /* JVM_CONSTANT_MethodHandle subtypes */
1101 enum {
1102     JVM_REF_getField                = 1,
1103     JVM_REF_getStatic               = 2,
1104     JVM_REF_putField                = 3,
1105     JVM_REF_putStatic               = 4,
1106     JVM_REF_invokeVirtual           = 5,
1107     JVM_REF_invokeStatic            = 6,
1108     JVM_REF_invokeSpecial           = 7,
1109     JVM_REF_newInvokeSpecial        = 8,
1110     JVM_REF_invokeInterface         = 9
1111 };
1112 
1113 /* Used in the newarray instruction. */
1114 
1115 #define JVM_T_BOOLEAN 4
1116 #define JVM_T_CHAR    5
1117 #define JVM_T_FLOAT   6
1118 #define JVM_T_DOUBLE  7
1119 #define JVM_T_BYTE    8
1120 #define JVM_T_SHORT   9
1121 #define JVM_T_INT    10
1122 #define JVM_T_LONG   11
1123 
1124 /* JVM method signatures */
1125 
1126 #define JVM_SIGNATURE_ARRAY             '['
1127 #define JVM_SIGNATURE_BYTE              'B'
1128 #define JVM_SIGNATURE_CHAR              'C'
1129 #define JVM_SIGNATURE_CLASS             'L'
1130 #define JVM_SIGNATURE_ENDCLASS          ';'
1131 #define JVM_SIGNATURE_ENUM              'E'
1132 #define JVM_SIGNATURE_FLOAT             'F'
1133 #define JVM_SIGNATURE_DOUBLE            'D'
1134 #define JVM_SIGNATURE_FUNC              '('
1135 #define JVM_SIGNATURE_ENDFUNC           ')'
1136 #define JVM_SIGNATURE_INT               'I'
1137 #define JVM_SIGNATURE_LONG              'J'
1138 #define JVM_SIGNATURE_SHORT             'S'
1139 #define JVM_SIGNATURE_VOID              'V'
1140 #define JVM_SIGNATURE_BOOLEAN           'Z'
1141 
1142 /*
1143  * A function defined by the byte-code verifier and called by the VM.
1144  * This is not a function implemented in the VM.
1145  *
1146  * Returns JNI_FALSE if verification fails. A detailed error message
1147  * will be places in msg_buf, whose length is specified by buf_len.
1148  */
1149 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1150                                   jclass cb,
1151                                   char * msg_buf,
1152                                   jint buf_len);
1153 
1154 
1155 /*
1156  * Support for a VM-independent class format checker.
1157  */
1158 typedef struct {
1159     unsigned long code;    /* byte code */
1160     unsigned long excs;    /* exceptions */
1161     unsigned long etab;    /* catch table */
1162     unsigned long lnum;    /* line number */
1163     unsigned long lvar;    /* local vars */
1164 } method_size_info;
1165 
1166 typedef struct {
1167     unsigned int constants;    /* constant pool */
1168     unsigned int fields;
1169     unsigned int methods;
1170     unsigned int interfaces;
1171     unsigned int fields2;      /* number of static 2-word fields */
1172     unsigned int innerclasses; /* # of records in InnerClasses attr */
1173 
1174     method_size_info clinit;   /* memory used in clinit */
1175     method_size_info main;     /* used everywhere else */
1176 } class_size_info;
1177 
1178 /*
1179  * Functions defined in libjava.so to perform string conversions.
1180  *
1181  */
1182 
1183 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1184 
1185 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1186 
1187 /* This is the function defined in libjava.so that performs class
1188  * format checks. This functions fills in size information about
1189  * the class file and returns:
1190  *
1191  *   0: good
1192  *  -1: out of memory
1193  *  -2: bad format
1194  *  -3: unsupported version
1195  *  -4: bad class name
1196  */
1197 
1198 typedef jint (*check_format_fn_t)(char *class_name,
1199                                   unsigned char *data,
1200                                   unsigned int data_size,
1201                                   class_size_info *class_size,
1202                                   char *message_buffer,
1203                                   jint buffer_length,
1204                                   jboolean measure_only,
1205                                   jboolean check_relaxed);
1206 
1207 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1208                                         JVM_ACC_FINAL | \
1209                                         JVM_ACC_SUPER | \
1210                                         JVM_ACC_INTERFACE | \
1211                                         JVM_ACC_ABSTRACT | \
1212                                         JVM_ACC_ANNOTATION | \
1213                                         JVM_ACC_ENUM | \
1214                                         JVM_ACC_SYNTHETIC)
1215 
1216 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1217                                         JVM_ACC_PRIVATE | \
1218                                         JVM_ACC_PROTECTED | \
1219                                         JVM_ACC_STATIC | \
1220                                         JVM_ACC_FINAL | \
1221                                         JVM_ACC_VOLATILE | \
1222                                         JVM_ACC_TRANSIENT | \
1223                                         JVM_ACC_ENUM | \
1224                                         JVM_ACC_SYNTHETIC)
1225 
1226 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1227                                          JVM_ACC_PRIVATE | \
1228                                          JVM_ACC_PROTECTED | \
1229                                          JVM_ACC_STATIC | \
1230                                          JVM_ACC_FINAL | \
1231                                          JVM_ACC_SYNCHRONIZED | \
1232                                          JVM_ACC_BRIDGE | \
1233                                          JVM_ACC_VARARGS | \
1234                                          JVM_ACC_NATIVE | \
1235                                          JVM_ACC_ABSTRACT | \
1236                                          JVM_ACC_STRICT | \
1237                                          JVM_ACC_SYNTHETIC)
1238 
1239 /*
1240  * This is the function defined in libjava.so to perform path
1241  * canonicalization. VM call this function before opening jar files
1242  * to load system classes.
1243  *
1244  */
1245 
1246 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1247 
1248 /*************************************************************************
1249  PART 3: I/O and Network Support
1250  ************************************************************************/
1251 
1252 /* Note that the JVM IO functions are expected to return JVM_IO_ERR
1253  * when there is any kind of error. The caller can then use the
1254  * platform specific support (e.g., errno) to get the detailed
1255  * error info.  The JVM_GetLastErrorString procedure may also be used
1256  * to obtain a descriptive error string.
1257  */
1258 #define JVM_IO_ERR  (-1)
1259 
1260 /* For interruptible IO. Returning JVM_IO_INTR indicates that an IO
1261  * operation has been disrupted by Thread.interrupt. There are a
1262  * number of technical difficulties related to interruptible IO that
1263  * need to be solved. For example, most existing programs do not handle
1264  * InterruptedIOExceptions specially, they simply treat those as any
1265  * IOExceptions, which typically indicate fatal errors.
1266  *
1267  * There are also two modes of operation for interruptible IO. In the
1268  * resumption mode, an interrupted IO operation is guaranteed not to
1269  * have any side-effects, and can be restarted. In the termination mode,
1270  * an interrupted IO operation corrupts the underlying IO stream, so
1271  * that the only reasonable operation on an interrupted stream is to
1272  * close that stream. The resumption mode seems to be impossible to
1273  * implement on Win32 and Solaris. Implementing the termination mode is
1274  * easier, but it's not clear that's the right semantics.
1275  *
1276  * Interruptible IO is not supported on Win32.It can be enabled/disabled
1277  * using a compile-time flag on Solaris. Third-party JVM ports do not
1278  * need to implement interruptible IO.
1279  */
1280 #define JVM_IO_INTR (-2)
1281 
1282 /* Write a string into the given buffer, in the platform's local encoding,
1283  * that describes the most recent system-level error to occur in this thread.
1284  * Return the length of the string or zero if no error occurred.
1285  */
1286 JNIEXPORT jint JNICALL
1287 JVM_GetLastErrorString(char *buf, int len);
1288 
1289 /*
1290  * Convert a pathname into native format.  This function does syntactic
1291  * cleanup, such as removing redundant separator characters.  It modifies
1292  * the given pathname string in place.
1293  */
1294 JNIEXPORT char * JNICALL
1295 JVM_NativePath(char *);
1296 
1297 /*
1298  * JVM I/O error codes
1299  */
1300 #define JVM_EEXIST       -100
1301 
1302 /*
1303  * Open a file descriptor. This function returns a negative error code
1304  * on error, and a non-negative integer that is the file descriptor on
1305  * success.
1306  */
1307 JNIEXPORT jint JNICALL
1308 JVM_Open(const char *fname, jint flags, jint mode);
1309 
1310 /*
1311  * Close a file descriptor. This function returns -1 on error, and 0
1312  * on success.
1313  *
1314  * fd        the file descriptor to close.
1315  */
1316 JNIEXPORT jint JNICALL
1317 JVM_Close(jint fd);
1318 
1319 /*
1320  * Read data from a file decriptor into a char array.
1321  *
1322  * fd        the file descriptor to read from.
1323  * buf       the buffer where to put the read data.
1324  * nbytes    the number of bytes to read.
1325  *
1326  * This function returns -1 on error, and 0 on success.
1327  */
1328 JNIEXPORT jint JNICALL
1329 JVM_Read(jint fd, char *buf, jint nbytes);
1330 
1331 /*
1332  * Write data from a char array to a file decriptor.
1333  *
1334  * fd        the file descriptor to read from.
1335  * buf       the buffer from which to fetch the data.
1336  * nbytes    the number of bytes to write.
1337  *
1338  * This function returns -1 on error, and 0 on success.
1339  */
1340 JNIEXPORT jint JNICALL
1341 JVM_Write(jint fd, char *buf, jint nbytes);
1342 
1343 /*
1344  * Returns the number of bytes available for reading from a given file
1345  * descriptor
1346  */
1347 JNIEXPORT jint JNICALL
1348 JVM_Available(jint fd, jlong *pbytes);
1349 
1350 /*
1351  * Move the file descriptor pointer from whence by offset.
1352  *
1353  * fd        the file descriptor to move.
1354  * offset    the number of bytes to move it by.
1355  * whence    the start from where to move it.
1356  *
1357  * This function returns the resulting pointer location.
1358  */
1359 JNIEXPORT jlong JNICALL
1360 JVM_Lseek(jint fd, jlong offset, jint whence);
1361 
1362 /*
1363  * Set the length of the file associated with the given descriptor to the given
1364  * length.  If the new length is longer than the current length then the file
1365  * is extended; the contents of the extended portion are not defined.  The
1366  * value of the file pointer is undefined after this procedure returns.
1367  */
1368 JNIEXPORT jint JNICALL
1369 JVM_SetLength(jint fd, jlong length);
1370 
1371 /*
1372  * Synchronize the file descriptor's in memory state with that of the
1373  * physical device.  Return of -1 is an error, 0 is OK.
1374  */
1375 JNIEXPORT jint JNICALL
1376 JVM_Sync(jint fd);
1377 
1378 /*
1379  * Networking library support
1380  */
1381 
1382 JNIEXPORT jint JNICALL
1383 JVM_InitializeSocketLibrary(void);
1384 
1385 struct sockaddr;
1386 
1387 JNIEXPORT jint JNICALL
1388 JVM_Socket(jint domain, jint type, jint protocol);
1389 
1390 JNIEXPORT jint JNICALL
1391 JVM_SocketClose(jint fd);
1392 
1393 JNIEXPORT jint JNICALL
1394 JVM_SocketShutdown(jint fd, jint howto);
1395 
1396 JNIEXPORT jint JNICALL
1397 JVM_Recv(jint fd, char *buf, jint nBytes, jint flags);
1398 
1399 JNIEXPORT jint JNICALL
1400 JVM_Send(jint fd, char *buf, jint nBytes, jint flags);
1401 
1402 JNIEXPORT jint JNICALL
1403 JVM_Timeout(int fd, long timeout);
1404 
1405 JNIEXPORT jint JNICALL
1406 JVM_Listen(jint fd, jint count);
1407 
1408 JNIEXPORT jint JNICALL
1409 JVM_Connect(jint fd, struct sockaddr *him, jint len);
1410 
1411 JNIEXPORT jint JNICALL
1412 JVM_Bind(jint fd, struct sockaddr *him, jint len);
1413 
1414 JNIEXPORT jint JNICALL
1415 JVM_Accept(jint fd, struct sockaddr *him, jint *len);
1416 
1417 JNIEXPORT jint JNICALL
1418 JVM_RecvFrom(jint fd, char *buf, int nBytes,
1419                   int flags, struct sockaddr *from, int *fromlen);
1420 
1421 JNIEXPORT jint JNICALL
1422 JVM_SendTo(jint fd, char *buf, int len,
1423                 int flags, struct sockaddr *to, int tolen);
1424 
1425 JNIEXPORT jint JNICALL
1426 JVM_SocketAvailable(jint fd, jint *result);
1427 
1428 
1429 JNIEXPORT jint JNICALL
1430 JVM_GetSockName(jint fd, struct sockaddr *him, int *len);
1431 
1432 JNIEXPORT jint JNICALL
1433 JVM_GetSockOpt(jint fd, int level, int optname, char *optval, int *optlen);
1434 
1435 JNIEXPORT jint JNICALL
1436 JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen);
1437 
1438 JNIEXPORT int JNICALL
1439 JVM_GetHostName(char* name, int namelen);
1440 
1441 /*
1442  * The standard printing functions supported by the Java VM. (Should they
1443  * be renamed to JVM_* in the future?
1444  */
1445 
1446 /*
1447  * BE CAREFUL! The following functions do not implement the
1448  * full feature set of standard C printf formats.
1449  */
1450 JNIEXPORT int
1451 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1452 
1453 JNIEXPORT int
1454 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1455 
1456 JNIEXPORT int
1457 jio_fprintf(FILE *, const char *fmt, ...);
1458 
1459 JNIEXPORT int
1460 jio_vfprintf(FILE *, const char *fmt, va_list args);
1461 
1462 
1463 JNIEXPORT void * JNICALL
1464 JVM_RawMonitorCreate(void);
1465 
1466 JNIEXPORT void JNICALL
1467 JVM_RawMonitorDestroy(void *mon);
1468 
1469 JNIEXPORT jint JNICALL
1470 JVM_RawMonitorEnter(void *mon);
1471 
1472 JNIEXPORT void JNICALL
1473 JVM_RawMonitorExit(void *mon);
1474 
1475 /*
1476  * java.lang.reflect.Method
1477  */
1478 JNIEXPORT jobject JNICALL
1479 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1480 
1481 /*
1482  * java.lang.reflect.Constructor
1483  */
1484 JNIEXPORT jobject JNICALL
1485 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1486 
1487 /*
1488  * java.lang.management support
1489  */
1490 JNIEXPORT void* JNICALL
1491 JVM_GetManagement(jint version);
1492 
1493 /*
1494  * com.sun.tools.attach.VirtualMachine support
1495  *
1496  * Initialize the agent properties with the properties maintained in the VM.
1497  */
1498 JNIEXPORT jobject JNICALL
1499 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1500 
1501 JNIEXPORT jstring JNICALL
1502 JVM_GetTemporaryDirectory(JNIEnv *env);
1503 
1504 /* Generics reflection support.
1505  *
1506  * Returns information about the given class's EnclosingMethod
1507  * attribute, if present, or null if the class had no enclosing
1508  * method.
1509  *
1510  * If non-null, the returned array contains three elements. Element 0
1511  * is the java.lang.Class of which the enclosing method is a member,
1512  * and elements 1 and 2 are the java.lang.Strings for the enclosing
1513  * method's name and descriptor, respectively.
1514  */
1515 JNIEXPORT jobjectArray JNICALL
1516 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1517 
1518 /*
1519  * Java thread state support
1520  */
1521 enum {
1522     JAVA_THREAD_STATE_NEW           = 0,
1523     JAVA_THREAD_STATE_RUNNABLE      = 1,
1524     JAVA_THREAD_STATE_BLOCKED       = 2,
1525     JAVA_THREAD_STATE_WAITING       = 3,
1526     JAVA_THREAD_STATE_TIMED_WAITING = 4,
1527     JAVA_THREAD_STATE_TERMINATED    = 5,
1528     JAVA_THREAD_STATE_COUNT         = 6
1529 };
1530 
1531 /*
1532  * Returns an array of the threadStatus values representing the
1533  * given Java thread state.  Returns NULL if the VM version is
1534  * incompatible with the JDK or doesn't support the given
1535  * Java thread state.
1536  */
1537 JNIEXPORT jintArray JNICALL
1538 JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState);
1539 
1540 /*
1541  * Returns an array of the substate names representing the
1542  * given Java thread state.  Returns NULL if the VM version is
1543  * incompatible with the JDK or the VM doesn't support
1544  * the given Java thread state.
1545  * values must be the jintArray returned from JVM_GetThreadStateValues
1546  * and javaThreadState.
1547  */
1548 JNIEXPORT jobjectArray JNICALL
1549 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values);
1550 
1551 /* =========================================================================
1552  * The following defines a private JVM interface that the JDK can query
1553  * for the JVM version and capabilities.  sun.misc.Version defines
1554  * the methods for getting the VM version and its capabilities.
1555  *
1556  * When a new bit is added, the following should be updated to provide
1557  * access to the new capability:
1558  *    HS:   JVM_GetVersionInfo and Abstract_VM_Version class
1559  *    SDK:  Version class
1560  *
1561  * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1562  * JVM to query for the JDK version and capabilities.
1563  *
1564  * When a new bit is added, the following should be updated to provide
1565  * access to the new capability:
1566  *    HS:   JDK_Version class
1567  *    SDK:  JDK_GetVersionInfo0
1568  *
1569  * ==========================================================================
1570  */
1571 typedef struct {
1572     /* HotSpot Express VM version string:
1573      * <major>.<minor>-bxx[-<identifier>][-<debug_flavor>]
1574      */
1575     unsigned int jvm_version; /* Consists of major.minor.0.build */
1576     unsigned int update_version : 8;         /* 0 in HotSpot Express VM */
1577     unsigned int special_update_version : 8; /* 0 in HotSpot Express VM */
1578     unsigned int reserved1 : 16;
1579     unsigned int reserved2;
1580 
1581     /* The following bits represents JVM supports that JDK has dependency on.
1582      * JDK can use these bits to determine which JVM version
1583      * and support it has to maintain runtime compatibility.
1584      *
1585      * When a new bit is added in a minor or update release, make sure
1586      * the new bit is also added in the main/baseline.
1587      */
1588     unsigned int is_attachable : 1;
1589     unsigned int : 31;
1590     unsigned int : 32;
1591     unsigned int : 32;
1592 } jvm_version_info;
1593 
1594 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1595 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1596 // Micro version is 0 in HotSpot Express VM (set in jvm.cpp).
1597 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1598 /* Build number is available in all HotSpot Express VM builds.
1599  * It is defined in make/hotspot_version file.
1600  */
1601 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1602 
1603 JNIEXPORT void JNICALL
1604 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1605 
1606 typedef struct {
1607     // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1608     unsigned int jdk_version;   /* Consists of major, minor, micro (n.n.n) */
1609                                 /* and build number (xx) */
1610     unsigned int update_version : 8;         /* Update release version (uu) */
1611     unsigned int special_update_version : 8; /* Special update release version (c)*/
1612     unsigned int reserved1 : 16;
1613     unsigned int reserved2;
1614 
1615     /* The following bits represents new JDK supports that VM has dependency on.
1616      * VM implementation can use these bits to determine which JDK version
1617      * and support it has to maintain runtime compatibility.
1618      *
1619      * When a new bit is added in a minor or update release, make sure
1620      * the new bit is also added in the main/baseline.
1621      */
1622     unsigned int thread_park_blocker : 1;
1623     unsigned int post_vm_init_hook_enabled : 1;
1624     unsigned int pending_list_uses_discovered_field : 1;
1625     unsigned int : 29;
1626     unsigned int : 32;
1627     unsigned int : 32;
1628 } jdk_version_info;
1629 
1630 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1631 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1632 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1633 
1634 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1635  * It will be zero for internal builds.
1636  */
1637 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1638 
1639 /*
1640  * This is the function JDK_GetVersionInfo0 defined in libjava.so
1641  * that is dynamically looked up by JVM.
1642  */
1643 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1644 
1645 /*
1646  * This structure is used by the launcher to get the default thread
1647  * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1648  * version of 1.1.  As it is not supported otherwise, it has been removed
1649  * from jni.h
1650  */
1651 typedef struct JDK1_1InitArgs {
1652     jint version;
1653 
1654     char **properties;
1655     jint checkSource;
1656     jint nativeStackSize;
1657     jint javaStackSize;
1658     jint minHeapSize;
1659     jint maxHeapSize;
1660     jint verifyMode;
1661     char *classpath;
1662 
1663     jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1664     void (JNICALL *exit)(jint code);
1665     void (JNICALL *abort)(void);
1666 
1667     jint enableClassGC;
1668     jint enableVerboseGC;
1669     jint disableAsyncGC;
1670     jint verbose;
1671     jboolean debugging;
1672     jint debugPort;
1673 } JDK1_1InitArgs;
1674 
1675 #ifdef __cplusplus
1676 } /* extern "C" */
1677 #endif /* __cplusplus */
1678 
1679 #endif /* !_JAVASOFT_JVM_H_ */
1680 
1681 #endif // SHARE_VM_PRIMS_JVM_H