1 /*
   2  * Copyright (c) 1997, 2016, 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 #include "utilities/macros.hpp"
  30 
  31 #include OS_HEADER_H(jvm)
  32 
  33 #ifndef _JAVASOFT_JVM_H_
  34 #define _JAVASOFT_JVM_H_
  35 
  36 // HotSpot integration note:
  37 //
  38 // This file and jvm.h used with the JDK are identical,
  39 // except for the three includes removed below
  40 
  41 // #include <sys/stat.h>
  42 // #include "jni.h"
  43 // #include "jvm_md.h"
  44 
  45 
  46 #ifdef __cplusplus
  47 extern "C" {
  48 #endif
  49 
  50 /*
  51  * This file contains additional functions exported from the VM.
  52  * These functions are complementary to the standard JNI support.
  53  * There are three parts to this file:
  54  *
  55  * First, this file contains the VM-related functions needed by native
  56  * libraries in the standard Java API. For example, the java.lang.Object
  57  * class needs VM-level functions that wait for and notify monitors.
  58  *
  59  * Second, this file contains the functions and constant definitions
  60  * needed by the byte code verifier and class file format checker.
  61  * These functions allow the verifier and format checker to be written
  62  * in a VM-independent way.
  63  *
  64  * Third, this file contains various I/O and nerwork operations needed
  65  * by the standard Java I/O and network APIs.
  66  */
  67 
  68 /*
  69  * Bump the version number when either of the following happens:
  70  *
  71  * 1. There is a change in JVM_* functions.
  72  *
  73  * 2. There is a change in the contract between VM and Java classes.
  74  *    For example, if the VM relies on a new private field in Thread
  75  *    class.
  76  */
  77 
  78 #define JVM_INTERFACE_VERSION 5
  79 
  80 JNIEXPORT jobjectArray JNICALL
  81 JVM_GetMethodParameters(JNIEnv *env, jobject method);
  82 
  83 JNIEXPORT jint JNICALL
  84 JVM_GetInterfaceVersion(void);
  85 
  86 /*************************************************************************
  87  PART 1: Functions for Native Libraries
  88  ************************************************************************/
  89 /*
  90  * java.lang.Object
  91  */
  92 JNIEXPORT jint JNICALL
  93 JVM_IHashCode(JNIEnv *env, jobject obj);
  94 
  95 JNIEXPORT void JNICALL
  96 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
  97 
  98 JNIEXPORT void JNICALL
  99 JVM_MonitorNotify(JNIEnv *env, jobject obj);
 100 
 101 JNIEXPORT void JNICALL
 102 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
 103 
 104 JNIEXPORT jobject JNICALL
 105 JVM_Clone(JNIEnv *env, jobject obj);
 106 
 107 /*
 108  * java.lang.String
 109  */
 110 JNIEXPORT jstring JNICALL
 111 JVM_InternString(JNIEnv *env, jstring str);
 112 
 113 /*
 114  * java.lang.System
 115  */
 116 JNIEXPORT jlong JNICALL
 117 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
 118 
 119 JNIEXPORT jlong JNICALL
 120 JVM_NanoTime(JNIEnv *env, jclass ignored);
 121 
 122 JNIEXPORT jlong JNICALL
 123 JVM_GetNanoTimeAdjustment(JNIEnv *env, jclass ignored, jlong offset_secs);
 124 
 125 JNIEXPORT void JNICALL
 126 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
 127               jobject dst, jint dst_pos, jint length);
 128 
 129 JNIEXPORT jobject JNICALL
 130 JVM_InitProperties(JNIEnv *env, jobject p);
 131 
 132 /*
 133  * java.lang.Runtime
 134  */
 135 
 136 JNIEXPORT void JNICALL
 137 JVM_Halt(jint code);
 138 
 139 JNIEXPORT void JNICALL
 140 JVM_GC(void);
 141 
 142 /* Returns the number of real-time milliseconds that have elapsed since the
 143  * least-recently-inspected heap object was last inspected by the garbage
 144  * collector.
 145  *
 146  * For simple stop-the-world collectors this value is just the time
 147  * since the most recent collection.  For generational collectors it is the
 148  * time since the oldest generation was most recently collected.  Other
 149  * collectors are free to return a pessimistic estimate of the elapsed time, or
 150  * simply the time since the last full collection was performed.
 151  *
 152  * Note that in the presence of reference objects, a given object that is no
 153  * longer strongly reachable may have to be inspected multiple times before it
 154  * can be reclaimed.
 155  */
 156 JNIEXPORT jlong JNICALL
 157 JVM_MaxObjectInspectionAge(void);
 158 
 159 JNIEXPORT jlong JNICALL
 160 JVM_TotalMemory(void);
 161 
 162 JNIEXPORT jlong JNICALL
 163 JVM_FreeMemory(void);
 164 
 165 JNIEXPORT jlong JNICALL
 166 JVM_MaxMemory(void);
 167 
 168 JNIEXPORT jint JNICALL
 169 JVM_ActiveProcessorCount(void);
 170 
 171 JNIEXPORT void * JNICALL
 172 JVM_LoadLibrary(const char *name);
 173 
 174 JNIEXPORT void JNICALL
 175 JVM_UnloadLibrary(void * handle);
 176 
 177 JNIEXPORT void * JNICALL
 178 JVM_FindLibraryEntry(void *handle, const char *name);
 179 
 180 JNIEXPORT jboolean JNICALL
 181 JVM_IsSupportedJNIVersion(jint version);
 182 
 183 JNIEXPORT jobjectArray JNICALL
 184 JVM_GetVmArguments(JNIEnv *env);
 185 
 186 /*
 187  * java.lang.Throwable
 188  */
 189 JNIEXPORT void JNICALL
 190 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
 191 
 192 /*
 193  * java.lang.StackTraceElement
 194  */
 195 JNIEXPORT void JNICALL
 196 JVM_InitStackTraceElementArray(JNIEnv *env, jobjectArray elements, jobject throwable);
 197 
 198 JNIEXPORT void JNICALL
 199 JVM_InitStackTraceElement(JNIEnv* env, jobject element, jobject stackFrameInfo);
 200 
 201 /*
 202  * java.lang.StackWalker
 203  */
 204 enum {
 205   JVM_STACKWALK_FILL_CLASS_REFS_ONLY       = 0x02,
 206   JVM_STACKWALK_GET_CALLER_CLASS           = 0x04,
 207   JVM_STACKWALK_SHOW_HIDDEN_FRAMES         = 0x20,
 208   JVM_STACKWALK_FILL_LIVE_STACK_FRAMES     = 0x100
 209 };
 210 
 211 JNIEXPORT jobject JNICALL
 212 JVM_CallStackWalk(JNIEnv *env, jobject stackStream, jlong mode,
 213                   jint skip_frames, jint frame_count, jint start_index,
 214                   jobjectArray frames);
 215 
 216 JNIEXPORT jint JNICALL
 217 JVM_MoreStackWalk(JNIEnv *env, jobject stackStream, jlong mode, jlong anchor,
 218                   jint frame_count, jint start_index,
 219                   jobjectArray frames);
 220 
 221 /*
 222  * java.lang.Thread
 223  */
 224 JNIEXPORT void JNICALL
 225 JVM_StartThread(JNIEnv *env, jobject thread);
 226 
 227 JNIEXPORT void JNICALL
 228 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
 229 
 230 JNIEXPORT jboolean JNICALL
 231 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
 232 
 233 JNIEXPORT void JNICALL
 234 JVM_SuspendThread(JNIEnv *env, jobject thread);
 235 
 236 JNIEXPORT void JNICALL
 237 JVM_ResumeThread(JNIEnv *env, jobject thread);
 238 
 239 JNIEXPORT void JNICALL
 240 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
 241 
 242 JNIEXPORT void JNICALL
 243 JVM_Yield(JNIEnv *env, jclass threadClass);
 244 
 245 JNIEXPORT void JNICALL
 246 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
 247 
 248 JNIEXPORT jobject JNICALL
 249 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
 250 
 251 JNIEXPORT jint JNICALL
 252 JVM_CountStackFrames(JNIEnv *env, jobject thread);
 253 
 254 JNIEXPORT void JNICALL
 255 JVM_Interrupt(JNIEnv *env, jobject thread);
 256 
 257 JNIEXPORT jboolean JNICALL
 258 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
 259 
 260 JNIEXPORT jboolean JNICALL
 261 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
 262 
 263 JNIEXPORT void JNICALL
 264 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
 265 
 266 JNIEXPORT jobjectArray JNICALL
 267 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
 268 
 269 JNIEXPORT void JNICALL
 270 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
 271 
 272 /* getStackTrace() and getAllStackTraces() method */
 273 JNIEXPORT jobjectArray JNICALL
 274 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
 275 
 276 /*
 277  * java.lang.SecurityManager
 278  */
 279 JNIEXPORT jclass JNICALL
 280 JVM_CurrentLoadedClass(JNIEnv *env);
 281 
 282 JNIEXPORT jobject JNICALL
 283 JVM_CurrentClassLoader(JNIEnv *env);
 284 
 285 JNIEXPORT jobjectArray JNICALL
 286 JVM_GetClassContext(JNIEnv *env);
 287 
 288 JNIEXPORT jint JNICALL
 289 JVM_ClassDepth(JNIEnv *env, jstring name);
 290 
 291 JNIEXPORT jint JNICALL
 292 JVM_ClassLoaderDepth(JNIEnv *env);
 293 
 294 /*
 295  * java.lang.Package
 296  */
 297 JNIEXPORT jstring JNICALL
 298 JVM_GetSystemPackage(JNIEnv *env, jstring name);
 299 
 300 JNIEXPORT jobjectArray JNICALL
 301 JVM_GetSystemPackages(JNIEnv *env);
 302 
 303 /*
 304  * java.lang.ref.Reference
 305  */
 306 JNIEXPORT jobject JNICALL
 307 JVM_GetAndClearReferencePendingList(JNIEnv *env);
 308 
 309 JNIEXPORT jboolean JNICALL
 310 JVM_HasReferencePendingList(JNIEnv *env);
 311 
 312 JNIEXPORT void JNICALL
 313 JVM_WaitForReferencePendingList(JNIEnv *env);
 314 
 315 /*
 316  * java.io.ObjectInputStream
 317  */
 318 JNIEXPORT jobject JNICALL
 319 JVM_LatestUserDefinedLoader(JNIEnv *env);
 320 
 321 /*
 322  * java.lang.reflect.Array
 323  */
 324 JNIEXPORT jint JNICALL
 325 JVM_GetArrayLength(JNIEnv *env, jobject arr);
 326 
 327 JNIEXPORT jobject JNICALL
 328 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
 329 
 330 JNIEXPORT jvalue JNICALL
 331 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
 332 
 333 JNIEXPORT void JNICALL
 334 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
 335 
 336 JNIEXPORT void JNICALL
 337 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
 338                              unsigned char vCode);
 339 
 340 JNIEXPORT jobject JNICALL
 341 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
 342 
 343 JNIEXPORT jobject JNICALL
 344 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
 345 
 346 /*
 347  * java.lang.Class and java.lang.ClassLoader
 348  */
 349 
 350 #define JVM_CALLER_DEPTH -1
 351 
 352 /*
 353  * Returns the class in which the code invoking the native method
 354  * belongs.
 355  *
 356  * Note that in JDK 1.1, native methods did not create a frame.
 357  * In 1.2, they do. Therefore native methods like Class.forName
 358  * can no longer look at the current frame for the caller class.
 359  */
 360 JNIEXPORT jclass JNICALL
 361 JVM_GetCallerClass(JNIEnv *env, int n);
 362 
 363 /*
 364  * Find primitive classes
 365  * utf: class name
 366  */
 367 JNIEXPORT jclass JNICALL
 368 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
 369 
 370 /*
 371  * Find a class from a boot class loader. Returns NULL if class not found.
 372  */
 373 JNIEXPORT jclass JNICALL
 374 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
 375 
 376 /*
 377  * Find a class from a given class loader.  Throws ClassNotFoundException.
 378  *  name:   name of class
 379  *  init:   whether initialization is done
 380  *  loader: class loader to look up the class. This may not be the same as the caller's
 381  *          class loader.
 382  *  caller: initiating class. The initiating class may be null when a security
 383  *          manager is not installed.
 384  */
 385 JNIEXPORT jclass JNICALL
 386 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init,
 387                         jobject loader, jclass caller);
 388 
 389 /*
 390  * Find a class from a given class.
 391  */
 392 JNIEXPORT jclass JNICALL
 393 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
 394                              jclass from);
 395 
 396 /* Find a loaded class cached by the VM */
 397 JNIEXPORT jclass JNICALL
 398 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
 399 
 400 /* Define a class */
 401 JNIEXPORT jclass JNICALL
 402 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
 403                 jsize len, jobject pd);
 404 
 405 /* Define a class with a source (added in JDK1.5) */
 406 JNIEXPORT jclass JNICALL
 407 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
 408                           const jbyte *buf, jsize len, jobject pd,
 409                           const char *source);
 410 
 411 /*
 412  * Module support funcions
 413  */
 414 
 415 JNIEXPORT void JNICALL
 416 JVM_DefineModule(JNIEnv *env, jobject module, jboolean is_open, jstring version,
 417                  jstring location, const char* const* packages, jsize num_packages);
 418 
 419 JNIEXPORT void JNICALL
 420 JVM_SetBootLoaderUnnamedModule(JNIEnv *env, jobject module);
 421 
 422 JNIEXPORT void JNICALL
 423 JVM_AddModuleExports(JNIEnv *env, jobject from_module, const char* package, jobject to_module);
 424 
 425 JNIEXPORT void JNICALL
 426 JVM_AddModuleExportsToAllUnnamed(JNIEnv *env, jobject from_module, const char* package);
 427 
 428 JNIEXPORT void JNICALL
 429 JVM_AddModuleExportsToAll(JNIEnv *env, jobject from_module, const char* package);
 430 
 431 JNIEXPORT void JNICALL
 432 JVM_AddReadsModule(JNIEnv *env, jobject from_module, jobject source_module);
 433 
 434 JNIEXPORT void JNICALL
 435 JVM_AddModulePackage(JNIEnv* env,  jobject module, const char* package);
 436 
 437 JNIEXPORT jobject JNICALL
 438 JVM_GetModuleByPackageName(JNIEnv* env, jobject loader, const char* package);
 439 
 440 /*
 441  * Reflection support functions
 442  */
 443 
 444 JNIEXPORT jstring JNICALL
 445 JVM_GetClassName(JNIEnv *env, jclass cls);
 446 
 447 JNIEXPORT jobjectArray JNICALL
 448 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
 449 
 450 JNIEXPORT jboolean JNICALL
 451 JVM_IsInterface(JNIEnv *env, jclass cls);
 452 
 453 JNIEXPORT jobjectArray JNICALL
 454 JVM_GetClassSigners(JNIEnv *env, jclass cls);
 455 
 456 JNIEXPORT void JNICALL
 457 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
 458 
 459 JNIEXPORT jobject JNICALL
 460 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
 461 
 462 JNIEXPORT jboolean JNICALL
 463 JVM_IsArrayClass(JNIEnv *env, jclass cls);
 464 
 465 JNIEXPORT jboolean JNICALL
 466 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
 467 
 468 JNIEXPORT jint JNICALL
 469 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
 470 
 471 JNIEXPORT jobjectArray JNICALL
 472 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
 473 
 474 JNIEXPORT jclass JNICALL
 475 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
 476 
 477 JNIEXPORT jstring JNICALL
 478 JVM_GetSimpleBinaryName(JNIEnv *env, jclass ofClass);
 479 
 480 /* Generics support (JDK 1.5) */
 481 JNIEXPORT jstring JNICALL
 482 JVM_GetClassSignature(JNIEnv *env, jclass cls);
 483 
 484 /* Annotations support (JDK 1.5) */
 485 JNIEXPORT jbyteArray JNICALL
 486 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
 487 
 488 /* Annotations support (JDK 1.6) */
 489 
 490 /* Type use annotations support (JDK 1.8) */
 491 
 492 JNIEXPORT jbyteArray JNICALL
 493 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls);
 494 
 495 // field is a handle to a java.lang.reflect.Field object
 496 JNIEXPORT jbyteArray JNICALL
 497 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field);
 498 
 499 // method is a handle to a java.lang.reflect.Method object
 500 JNIEXPORT jbyteArray JNICALL
 501 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method);
 502 
 503 /*
 504  * New (JDK 1.4) reflection implementation
 505  */
 506 
 507 JNIEXPORT jobjectArray JNICALL
 508 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
 509 
 510 JNIEXPORT jobjectArray JNICALL
 511 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
 512 
 513 JNIEXPORT jobjectArray JNICALL
 514 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
 515 
 516 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
 517    This returns the access flags for the class as specified in the
 518    class file rather than searching the InnerClasses attribute (if
 519    present) to find the source-level access flags. Only the values of
 520    the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
 521    valid. */
 522 JNIEXPORT jint JNICALL
 523 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
 524 
 525 /*
 526  * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
 527  */
 528 
 529 JNIEXPORT jobject JNICALL
 530 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
 531 
 532 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
 533 (JNIEnv *env, jobject obj, jobject unused);
 534 
 535 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
 536 (JNIEnv *env, jobject obj, jobject unused, jint index);
 537 
 538 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
 539 (JNIEnv *env, jobject obj, jobject unused, jint index);
 540 
 541 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
 542 (JNIEnv *env, jobject obj, jobject unused, jint index);
 543 
 544 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
 545 (JNIEnv *env, jobject obj, jobject unused, jint index);
 546 
 547 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
 548 (JNIEnv *env, jobject obj, jobject unused, jint index);
 549 
 550 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
 551 (JNIEnv *env, jobject obj, jobject unused, jint index);
 552 
 553 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
 554 (JNIEnv *env, jobject obj, jobject unused, jint index);
 555 
 556 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetNameAndTypeRefInfoAt
 557 (JNIEnv *env, jobject obj, jobject unused, jint index);
 558 
 559 JNIEXPORT jint JNICALL JVM_ConstantPoolGetNameAndTypeRefIndexAt
 560 (JNIEnv *env, jobject obj, jobject unused, jint index);
 561 
 562 JNIEXPORT jint JNICALL JVM_ConstantPoolGetClassRefIndexAt
 563 (JNIEnv *env, jobject obj, jobject unused, jint index);
 564 
 565 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
 566 (JNIEnv *env, jobject obj, jobject unused, jint index);
 567 
 568 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
 569 (JNIEnv *env, jobject obj, jobject unused, jint index);
 570 
 571 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
 572 (JNIEnv *env, jobject obj, jobject unused, jint index);
 573 
 574 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
 575 (JNIEnv *env, jobject obj, jobject unused, jint index);
 576 
 577 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
 578 (JNIEnv *env, jobject obj, jobject unused, jint index);
 579 
 580 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
 581 (JNIEnv *env, jobject obj, jobject unused, jint index);
 582 
 583 JNIEXPORT jbyte JNICALL JVM_ConstantPoolGetTagAt
 584 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
 585 
 586 /*
 587  * java.security.*
 588  */
 589 
 590 JNIEXPORT jobject JNICALL
 591 JVM_DoPrivileged(JNIEnv *env, jclass cls,
 592                  jobject action, jobject context, jboolean wrapException);
 593 
 594 JNIEXPORT jobject JNICALL
 595 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
 596 
 597 JNIEXPORT jobject JNICALL
 598 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
 599 
 600 /*
 601  * Signal support, used to implement the shutdown sequence.  Every VM must
 602  * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
 603  * (^C) and the latter for external termination (kill, system shutdown, etc.).
 604  * Other platform-dependent signal values may also be supported.
 605  */
 606 
 607 JNIEXPORT void * JNICALL
 608 JVM_RegisterSignal(jint sig, void *handler);
 609 
 610 JNIEXPORT jboolean JNICALL
 611 JVM_RaiseSignal(jint sig);
 612 
 613 JNIEXPORT jint JNICALL
 614 JVM_FindSignal(const char *name);
 615 
 616 /*
 617  * Retrieve the assertion directives for the specified class.
 618  */
 619 JNIEXPORT jboolean JNICALL
 620 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
 621 
 622 /*
 623  * Retrieve the assertion directives from the VM.
 624  */
 625 JNIEXPORT jobject JNICALL
 626 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
 627 
 628 /*
 629  * java.util.concurrent.atomic.AtomicLong
 630  */
 631 JNIEXPORT jboolean JNICALL
 632 JVM_SupportsCX8(void);
 633 
 634 /*************************************************************************
 635  PART 2: Support for the Verifier and Class File Format Checker
 636  ************************************************************************/
 637 /*
 638  * Return the class name in UTF format. The result is valid
 639  * until JVM_ReleaseUTf is called.
 640  *
 641  * The caller must treat the string as a constant and not modify it
 642  * in any way.
 643  */
 644 JNIEXPORT const char * JNICALL
 645 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
 646 
 647 /*
 648  * Returns the constant pool types in the buffer provided by "types."
 649  */
 650 JNIEXPORT void JNICALL
 651 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
 652 
 653 /*
 654  * Returns the number of Constant Pool entries.
 655  */
 656 JNIEXPORT jint JNICALL
 657 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
 658 
 659 /*
 660  * Returns the number of *declared* fields or methods.
 661  */
 662 JNIEXPORT jint JNICALL
 663 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
 664 
 665 JNIEXPORT jint JNICALL
 666 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
 667 
 668 /*
 669  * Returns the CP indexes of exceptions raised by a given method.
 670  * Places the result in the given buffer.
 671  *
 672  * The method is identified by method_index.
 673  */
 674 JNIEXPORT void JNICALL
 675 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
 676                                 unsigned short *exceptions);
 677 /*
 678  * Returns the number of exceptions raised by a given method.
 679  * The method is identified by method_index.
 680  */
 681 JNIEXPORT jint JNICALL
 682 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
 683 
 684 /*
 685  * Returns the byte code sequence of a given method.
 686  * Places the result in the given buffer.
 687  *
 688  * The method is identified by method_index.
 689  */
 690 JNIEXPORT void JNICALL
 691 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
 692                         unsigned char *code);
 693 
 694 /*
 695  * Returns the length of the byte code sequence of a given method.
 696  * The method is identified by method_index.
 697  */
 698 JNIEXPORT jint JNICALL
 699 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
 700 
 701 /*
 702  * A structure used to a capture exception table entry in a Java method.
 703  */
 704 typedef struct {
 705     jint start_pc;
 706     jint end_pc;
 707     jint handler_pc;
 708     jint catchType;
 709 } JVM_ExceptionTableEntryType;
 710 
 711 /*
 712  * Returns the exception table entry at entry_index of a given method.
 713  * Places the result in the given buffer.
 714  *
 715  * The method is identified by method_index.
 716  */
 717 JNIEXPORT void JNICALL
 718 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
 719                                    jint entry_index,
 720                                    JVM_ExceptionTableEntryType *entry);
 721 
 722 /*
 723  * Returns the length of the exception table of a given method.
 724  * The method is identified by method_index.
 725  */
 726 JNIEXPORT jint JNICALL
 727 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
 728 
 729 /*
 730  * Returns the modifiers of a given field.
 731  * The field is identified by field_index.
 732  */
 733 JNIEXPORT jint JNICALL
 734 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
 735 
 736 /*
 737  * Returns the modifiers of a given method.
 738  * The method is identified by method_index.
 739  */
 740 JNIEXPORT jint JNICALL
 741 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
 742 
 743 /*
 744  * Returns the number of local variables of a given method.
 745  * The method is identified by method_index.
 746  */
 747 JNIEXPORT jint JNICALL
 748 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
 749 
 750 /*
 751  * Returns the number of arguments (including this pointer) of a given method.
 752  * The method is identified by method_index.
 753  */
 754 JNIEXPORT jint JNICALL
 755 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
 756 
 757 /*
 758  * Returns the maximum amount of stack (in words) used by a given method.
 759  * The method is identified by method_index.
 760  */
 761 JNIEXPORT jint JNICALL
 762 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
 763 
 764 /*
 765  * Is a given method a constructor.
 766  * The method is identified by method_index.
 767  */
 768 JNIEXPORT jboolean JNICALL
 769 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
 770 
 771 /*
 772  * Is the given method generated by the VM.
 773  * The method is identified by method_index.
 774  */
 775 JNIEXPORT jboolean JNICALL
 776 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
 777 
 778 /*
 779  * Returns the name of a given method in UTF format.
 780  * The result remains valid until JVM_ReleaseUTF is called.
 781  *
 782  * The caller must treat the string as a constant and not modify it
 783  * in any way.
 784  */
 785 JNIEXPORT const char * JNICALL
 786 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
 787 
 788 /*
 789  * Returns the signature of a given method in UTF format.
 790  * The result remains valid until JVM_ReleaseUTF is called.
 791  *
 792  * The caller must treat the string as a constant and not modify it
 793  * in any way.
 794  */
 795 JNIEXPORT const char * JNICALL
 796 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
 797 
 798 /*
 799  * Returns the name of the field refered to at a given constant pool
 800  * index.
 801  *
 802  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 803  * is called.
 804  *
 805  * The caller must treat the string as a constant and not modify it
 806  * in any way.
 807  */
 808 JNIEXPORT const char * JNICALL
 809 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
 810 
 811 /*
 812  * Returns the name of the method refered to at a given constant pool
 813  * index.
 814  *
 815  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 816  * is called.
 817  *
 818  * The caller must treat the string as a constant and not modify it
 819  * in any way.
 820  */
 821 JNIEXPORT const char * JNICALL
 822 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
 823 
 824 /*
 825  * Returns the signature of the method refered to at a given constant pool
 826  * index.
 827  *
 828  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 829  * is called.
 830  *
 831  * The caller must treat the string as a constant and not modify it
 832  * in any way.
 833  */
 834 JNIEXPORT const char * JNICALL
 835 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
 836 
 837 /*
 838  * Returns the signature of the field refered to at a given constant pool
 839  * index.
 840  *
 841  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 842  * is called.
 843  *
 844  * The caller must treat the string as a constant and not modify it
 845  * in any way.
 846  */
 847 JNIEXPORT const char * JNICALL
 848 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
 849 
 850 /*
 851  * Returns the class name refered to at a given constant pool index.
 852  *
 853  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 854  * is called.
 855  *
 856  * The caller must treat the string as a constant and not modify it
 857  * in any way.
 858  */
 859 JNIEXPORT const char * JNICALL
 860 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
 861 
 862 /*
 863  * Returns the class name refered to at a given constant pool index.
 864  *
 865  * The constant pool entry must refer to a CONSTANT_Fieldref.
 866  *
 867  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 868  * is called.
 869  *
 870  * The caller must treat the string as a constant and not modify it
 871  * in any way.
 872  */
 873 JNIEXPORT const char * JNICALL
 874 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
 875 
 876 /*
 877  * Returns the class name refered to at a given constant pool index.
 878  *
 879  * The constant pool entry must refer to CONSTANT_Methodref or
 880  * CONSTANT_InterfaceMethodref.
 881  *
 882  * The result is in UTF format and remains valid until JVM_ReleaseUTF
 883  * is called.
 884  *
 885  * The caller must treat the string as a constant and not modify it
 886  * in any way.
 887  */
 888 JNIEXPORT const char * JNICALL
 889 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
 890 
 891 /*
 892  * Returns the modifiers of a field in calledClass. The field is
 893  * referred to in class cb at constant pool entry index.
 894  *
 895  * The caller must treat the string as a constant and not modify it
 896  * in any way.
 897  *
 898  * Returns -1 if the field does not exist in calledClass.
 899  */
 900 JNIEXPORT jint JNICALL
 901 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
 902 
 903 /*
 904  * Returns the modifiers of a method in calledClass. The method is
 905  * referred to in class cb at constant pool entry index.
 906  *
 907  * Returns -1 if the method does not exist in calledClass.
 908  */
 909 JNIEXPORT jint JNICALL
 910 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
 911 
 912 /*
 913  * Releases the UTF string obtained from the VM.
 914  */
 915 JNIEXPORT void JNICALL
 916 JVM_ReleaseUTF(const char *utf);
 917 
 918 /*
 919  * Compare if two classes are in the same package.
 920  */
 921 JNIEXPORT jboolean JNICALL
 922 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
 923 
 924 /* Constants in class files */
 925 
 926 #define JVM_ACC_PUBLIC        0x0001  /* visible to everyone */
 927 #define JVM_ACC_PRIVATE       0x0002  /* visible only to the defining class */
 928 #define JVM_ACC_PROTECTED     0x0004  /* visible to subclasses */
 929 #define JVM_ACC_STATIC        0x0008  /* instance variable is static */
 930 #define JVM_ACC_FINAL         0x0010  /* no further subclassing, overriding */
 931 #define JVM_ACC_SYNCHRONIZED  0x0020  /* wrap method call in monitor lock */
 932 #define JVM_ACC_SUPER         0x0020  /* funky handling of invokespecial */
 933 #define JVM_ACC_VOLATILE      0x0040  /* can not cache in registers */
 934 #define JVM_ACC_BRIDGE        0x0040  /* bridge method generated by compiler */
 935 #define JVM_ACC_TRANSIENT     0x0080  /* not persistent */
 936 #define JVM_ACC_VARARGS       0x0080  /* method declared with variable number of args */
 937 #define JVM_ACC_NATIVE        0x0100  /* implemented in C */
 938 #define JVM_ACC_INTERFACE     0x0200  /* class is an interface */
 939 #define JVM_ACC_ABSTRACT      0x0400  /* no definition provided */
 940 #define JVM_ACC_STRICT        0x0800  /* strict floating point */
 941 #define JVM_ACC_SYNTHETIC     0x1000  /* compiler-generated class, method or field */
 942 #define JVM_ACC_ANNOTATION    0x2000  /* annotation type */
 943 #define JVM_ACC_ENUM          0x4000  /* field is declared as element of enum */
 944 #define JVM_ACC_MODULE        0x8000  /* module-info class file */
 945 
 946 #define JVM_ACC_PUBLIC_BIT        0
 947 #define JVM_ACC_PRIVATE_BIT       1
 948 #define JVM_ACC_PROTECTED_BIT     2
 949 #define JVM_ACC_STATIC_BIT        3
 950 #define JVM_ACC_FINAL_BIT         4
 951 #define JVM_ACC_SYNCHRONIZED_BIT  5
 952 #define JVM_ACC_SUPER_BIT         5
 953 #define JVM_ACC_VOLATILE_BIT      6
 954 #define JVM_ACC_BRIDGE_BIT        6
 955 #define JVM_ACC_TRANSIENT_BIT     7
 956 #define JVM_ACC_VARARGS_BIT       7
 957 #define JVM_ACC_NATIVE_BIT        8
 958 #define JVM_ACC_INTERFACE_BIT     9
 959 #define JVM_ACC_ABSTRACT_BIT      10
 960 #define JVM_ACC_STRICT_BIT        11
 961 #define JVM_ACC_SYNTHETIC_BIT     12
 962 #define JVM_ACC_ANNOTATION_BIT    13
 963 #define JVM_ACC_ENUM_BIT          14
 964 
 965 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
 966 enum {
 967     JVM_CONSTANT_Utf8 = 1,
 968     JVM_CONSTANT_Unicode,               /* unused */
 969     JVM_CONSTANT_Integer,
 970     JVM_CONSTANT_Float,
 971     JVM_CONSTANT_Long,
 972     JVM_CONSTANT_Double,
 973     JVM_CONSTANT_Class,
 974     JVM_CONSTANT_String,
 975     JVM_CONSTANT_Fieldref,
 976     JVM_CONSTANT_Methodref,
 977     JVM_CONSTANT_InterfaceMethodref,
 978     JVM_CONSTANT_NameAndType,
 979     JVM_CONSTANT_MethodHandle           = 15,  // JSR 292
 980     JVM_CONSTANT_MethodType             = 16,  // JSR 292
 981     //JVM_CONSTANT_(unused)             = 17,  // JSR 292 early drafts only
 982     JVM_CONSTANT_InvokeDynamic          = 18,  // JSR 292
 983     JVM_CONSTANT_ExternalMax            = 18   // Last tag found in classfiles
 984 };
 985 
 986 /* JVM_CONSTANT_MethodHandle subtypes */
 987 enum {
 988     JVM_REF_getField                = 1,
 989     JVM_REF_getStatic               = 2,
 990     JVM_REF_putField                = 3,
 991     JVM_REF_putStatic               = 4,
 992     JVM_REF_invokeVirtual           = 5,
 993     JVM_REF_invokeStatic            = 6,
 994     JVM_REF_invokeSpecial           = 7,
 995     JVM_REF_newInvokeSpecial        = 8,
 996     JVM_REF_invokeInterface         = 9
 997 };
 998 
 999 /* Used in the newarray instruction. */
1000 
1001 #define JVM_T_BOOLEAN 4
1002 #define JVM_T_CHAR    5
1003 #define JVM_T_FLOAT   6
1004 #define JVM_T_DOUBLE  7
1005 #define JVM_T_BYTE    8
1006 #define JVM_T_SHORT   9
1007 #define JVM_T_INT    10
1008 #define JVM_T_LONG   11
1009 
1010 /* JVM method signatures */
1011 
1012 #define JVM_SIGNATURE_ARRAY             '['
1013 #define JVM_SIGNATURE_BYTE              'B'
1014 #define JVM_SIGNATURE_CHAR              'C'
1015 #define JVM_SIGNATURE_CLASS             'L'
1016 #define JVM_SIGNATURE_ENDCLASS          ';'
1017 #define JVM_SIGNATURE_ENUM              'E'
1018 #define JVM_SIGNATURE_FLOAT             'F'
1019 #define JVM_SIGNATURE_DOUBLE            'D'
1020 #define JVM_SIGNATURE_FUNC              '('
1021 #define JVM_SIGNATURE_ENDFUNC           ')'
1022 #define JVM_SIGNATURE_INT               'I'
1023 #define JVM_SIGNATURE_LONG              'J'
1024 #define JVM_SIGNATURE_SHORT             'S'
1025 #define JVM_SIGNATURE_VOID              'V'
1026 #define JVM_SIGNATURE_BOOLEAN           'Z'
1027 
1028 /*
1029  * A function defined by the byte-code verifier and called by the VM.
1030  * This is not a function implemented in the VM.
1031  *
1032  * Returns JNI_FALSE if verification fails. A detailed error message
1033  * will be places in msg_buf, whose length is specified by buf_len.
1034  */
1035 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1036                                   jclass cb,
1037                                   char * msg_buf,
1038                                   jint buf_len);
1039 
1040 
1041 /*
1042  * Support for a VM-independent class format checker.
1043  */
1044 typedef struct {
1045     unsigned long code;    /* byte code */
1046     unsigned long excs;    /* exceptions */
1047     unsigned long etab;    /* catch table */
1048     unsigned long lnum;    /* line number */
1049     unsigned long lvar;    /* local vars */
1050 } method_size_info;
1051 
1052 typedef struct {
1053     unsigned int constants;    /* constant pool */
1054     unsigned int fields;
1055     unsigned int methods;
1056     unsigned int interfaces;
1057     unsigned int fields2;      /* number of static 2-word fields */
1058     unsigned int innerclasses; /* # of records in InnerClasses attr */
1059 
1060     method_size_info clinit;   /* memory used in clinit */
1061     method_size_info main;     /* used everywhere else */
1062 } class_size_info;
1063 
1064 /*
1065  * Functions defined in libjava.so to perform string conversions.
1066  *
1067  */
1068 
1069 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1070 
1071 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1072 
1073 /* This is the function defined in libjava.so that performs class
1074  * format checks. This functions fills in size information about
1075  * the class file and returns:
1076  *
1077  *   0: good
1078  *  -1: out of memory
1079  *  -2: bad format
1080  *  -3: unsupported version
1081  *  -4: bad class name
1082  */
1083 
1084 typedef jint (*check_format_fn_t)(char *class_name,
1085                                   unsigned char *data,
1086                                   unsigned int data_size,
1087                                   class_size_info *class_size,
1088                                   char *message_buffer,
1089                                   jint buffer_length,
1090                                   jboolean measure_only,
1091                                   jboolean check_relaxed);
1092 
1093 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1094                                         JVM_ACC_FINAL | \
1095                                         JVM_ACC_SUPER | \
1096                                         JVM_ACC_INTERFACE | \
1097                                         JVM_ACC_ABSTRACT | \
1098                                         JVM_ACC_ANNOTATION | \
1099                                         JVM_ACC_ENUM | \
1100                                         JVM_ACC_SYNTHETIC)
1101 
1102 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1103                                         JVM_ACC_PRIVATE | \
1104                                         JVM_ACC_PROTECTED | \
1105                                         JVM_ACC_STATIC | \
1106                                         JVM_ACC_FINAL | \
1107                                         JVM_ACC_VOLATILE | \
1108                                         JVM_ACC_TRANSIENT | \
1109                                         JVM_ACC_ENUM | \
1110                                         JVM_ACC_SYNTHETIC)
1111 
1112 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1113                                          JVM_ACC_PRIVATE | \
1114                                          JVM_ACC_PROTECTED | \
1115                                          JVM_ACC_STATIC | \
1116                                          JVM_ACC_FINAL | \
1117                                          JVM_ACC_SYNCHRONIZED | \
1118                                          JVM_ACC_BRIDGE | \
1119                                          JVM_ACC_VARARGS | \
1120                                          JVM_ACC_NATIVE | \
1121                                          JVM_ACC_ABSTRACT | \
1122                                          JVM_ACC_STRICT | \
1123                                          JVM_ACC_SYNTHETIC)
1124 
1125 /*
1126  * This is the function defined in libjava.so to perform path
1127  * canonicalization. VM call this function before opening jar files
1128  * to load system classes.
1129  *
1130  */
1131 
1132 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1133 
1134 /*************************************************************************
1135  PART 3: I/O and Network Support
1136  ************************************************************************/
1137 
1138 /*
1139  * Convert a pathname into native format.  This function does syntactic
1140  * cleanup, such as removing redundant separator characters.  It modifies
1141  * the given pathname string in place.
1142  */
1143 JNIEXPORT char * JNICALL
1144 JVM_NativePath(char *);
1145 
1146 /*
1147  * The standard printing functions supported by the Java VM. (Should they
1148  * be renamed to JVM_* in the future?
1149  */
1150 
1151 /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3),
1152  *  respectively, with the following differences:
1153  * - The string written to str is always zero-terminated, also in case of
1154  *   truncation (count is too small to hold the result string), unless count
1155  *   is 0. In case of truncation count-1 characters are written and '\0'
1156  *   appendend.
1157  * - If count is too small to hold the whole string, -1 is returned across
1158  *   all platforms. */
1159 JNIEXPORT int
1160 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1161 
1162 JNIEXPORT int
1163 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1164 
1165 JNIEXPORT int
1166 jio_fprintf(FILE *, const char *fmt, ...);
1167 
1168 JNIEXPORT int
1169 jio_vfprintf(FILE *, const char *fmt, va_list args);
1170 
1171 
1172 JNIEXPORT void * JNICALL
1173 JVM_RawMonitorCreate(void);
1174 
1175 JNIEXPORT void JNICALL
1176 JVM_RawMonitorDestroy(void *mon);
1177 
1178 JNIEXPORT jint JNICALL
1179 JVM_RawMonitorEnter(void *mon);
1180 
1181 JNIEXPORT void JNICALL
1182 JVM_RawMonitorExit(void *mon);
1183 
1184 /*
1185  * java.lang.reflect.Method
1186  */
1187 JNIEXPORT jobject JNICALL
1188 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1189 
1190 /*
1191  * java.lang.reflect.Constructor
1192  */
1193 JNIEXPORT jobject JNICALL
1194 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1195 
1196 /*
1197  * java.lang.management support
1198  */
1199 JNIEXPORT void* JNICALL
1200 JVM_GetManagement(jint version);
1201 
1202 /*
1203  * com.sun.tools.attach.VirtualMachine support
1204  *
1205  * Initialize the agent properties with the properties maintained in the VM.
1206  */
1207 JNIEXPORT jobject JNICALL
1208 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1209 
1210 JNIEXPORT jstring JNICALL
1211 JVM_GetTemporaryDirectory(JNIEnv *env);
1212 
1213 /* Generics reflection support.
1214  *
1215  * Returns information about the given class's EnclosingMethod
1216  * attribute, if present, or null if the class had no enclosing
1217  * method.
1218  *
1219  * If non-null, the returned array contains three elements. Element 0
1220  * is the java.lang.Class of which the enclosing method is a member,
1221  * and elements 1 and 2 are the java.lang.Strings for the enclosing
1222  * method's name and descriptor, respectively.
1223  */
1224 JNIEXPORT jobjectArray JNICALL
1225 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1226 
1227 /* =========================================================================
1228  * The following defines a private JVM interface that the JDK can query
1229  * for the JVM version and capabilities.  sun.misc.Version defines
1230  * the methods for getting the VM version and its capabilities.
1231  *
1232  * When a new bit is added, the following should be updated to provide
1233  * access to the new capability:
1234  *    HS:   JVM_GetVersionInfo and Abstract_VM_Version class
1235  *    SDK:  Version class
1236  *
1237  * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1238  * JVM to query for the JDK version and capabilities.
1239  *
1240  * When a new bit is added, the following should be updated to provide
1241  * access to the new capability:
1242  *    HS:   JDK_Version class
1243  *    SDK:  JDK_GetVersionInfo0
1244  *
1245  * ==========================================================================
1246  */
1247 typedef struct {
1248     unsigned int jvm_version; /* Encoded $VNUM as defined by JEP-223 */
1249     unsigned int patch_version : 8; /* JEP-223 patch version */
1250     unsigned int reserved3 : 8;
1251     unsigned int reserved1 : 16;
1252     unsigned int reserved2;
1253 
1254     /* The following bits represents JVM supports that JDK has dependency on.
1255      * JDK can use these bits to determine which JVM version
1256      * and support it has to maintain runtime compatibility.
1257      *
1258      * When a new bit is added in a minor or update release, make sure
1259      * the new bit is also added in the main/baseline.
1260      */
1261     unsigned int is_attachable : 1;
1262     unsigned int : 31;
1263     unsigned int : 32;
1264     unsigned int : 32;
1265 } jvm_version_info;
1266 
1267 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1268 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1269 #define JVM_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8)
1270 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1271 
1272 JNIEXPORT void JNICALL
1273 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1274 
1275 typedef struct {
1276     unsigned int jdk_version; /* Encoded $VNUM as defined by JEP-223 */
1277     unsigned int patch_version : 8; /* JEP-223 patch version */
1278     unsigned int reserved3 : 8;
1279     unsigned int reserved1 : 16;
1280     unsigned int reserved2;
1281 
1282     /* The following bits represents new JDK supports that VM has dependency on.
1283      * VM implementation can use these bits to determine which JDK version
1284      * and support it has to maintain runtime compatibility.
1285      *
1286      * When a new bit is added in a minor or update release, make sure
1287      * the new bit is also added in the main/baseline.
1288      */
1289     unsigned int thread_park_blocker : 1;
1290     unsigned int post_vm_init_hook_enabled : 1;
1291     unsigned int pending_list_uses_discovered_field : 1;
1292     unsigned int : 29;
1293     unsigned int : 32;
1294     unsigned int : 32;
1295 } jdk_version_info;
1296 
1297 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1298 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1299 #define JDK_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8)
1300 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1301 
1302 /*
1303  * This is the function JDK_GetVersionInfo0 defined in libjava.so
1304  * that is dynamically looked up by JVM.
1305  */
1306 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1307 
1308 /*
1309  * This structure is used by the launcher to get the default thread
1310  * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1311  * version of 1.1.  As it is not supported otherwise, it has been removed
1312  * from jni.h
1313  */
1314 typedef struct JDK1_1InitArgs {
1315     jint version;
1316 
1317     char **properties;
1318     jint checkSource;
1319     jint nativeStackSize;
1320     jint javaStackSize;
1321     jint minHeapSize;
1322     jint maxHeapSize;
1323     jint verifyMode;
1324     char *classpath;
1325 
1326     jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1327     void (JNICALL *exit)(jint code);
1328     void (JNICALL *abort)(void);
1329 
1330     jint enableClassGC;
1331     jint enableVerboseGC;
1332     jint disableAsyncGC;
1333     jint verbose;
1334     jboolean debugging;
1335     jint debugPort;
1336 } JDK1_1InitArgs;
1337 
1338 #ifdef __cplusplus
1339 } /* extern "C" */
1340 #endif /* __cplusplus */
1341 
1342 #endif /* !_JAVASOFT_JVM_H_ */
1343 
1344 #endif // SHARE_VM_PRIMS_JVM_H