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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #ifndef _JAVASOFT_JVM_H_ 27 #define _JAVASOFT_JVM_H_ 28 29 #include <sys/stat.h> 30 31 #include "jni.h" 32 #include "jvm_md.h" 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * This file contains additional functions exported from the VM. 40 * These functions are complementary to the standard JNI support. 41 * There are three parts to this file: 42 * 43 * First, this file contains the VM-related functions needed by native 44 * libraries in the standard Java API. For example, the java.lang.Object 45 * class needs VM-level functions that wait for and notify monitors. 46 * 47 * Second, this file contains the functions and constant definitions 48 * needed by the byte code verifier and class file format checker. 49 * These functions allow the verifier and format checker to be written 50 * in a VM-independent way. 51 * 52 * Third, this file contains various I/O and network operations needed 53 * by the standard Java I/O and network APIs. 54 */ 55 56 /* 57 * Bump the version number when either of the following happens: 58 * 59 * 1. There is a change in JVM_* functions. 60 * 61 * 2. There is a change in the contract between VM and Java classes. 62 * For example, if the VM relies on a new private field in Thread 63 * class. 64 */ 65 66 #define JVM_INTERFACE_VERSION 5 67 68 JNIEXPORT jint JNICALL 69 JVM_GetInterfaceVersion(void); 70 71 /************************************************************************* 72 PART 1: Functions for Native Libraries 73 ************************************************************************/ 74 /* 75 * java.lang.Object 76 */ 77 JNIEXPORT jint JNICALL 78 JVM_IHashCode(JNIEnv *env, jobject obj); 79 80 JNIEXPORT void JNICALL 81 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms); 82 83 JNIEXPORT void JNICALL 84 JVM_MonitorNotify(JNIEnv *env, jobject obj); 85 86 JNIEXPORT void JNICALL 87 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj); 88 89 JNIEXPORT jobject JNICALL 90 JVM_Clone(JNIEnv *env, jobject obj); 91 92 /* 93 * java.lang.String 94 */ 95 JNIEXPORT jstring JNICALL 96 JVM_InternString(JNIEnv *env, jstring str); 97 98 /* 99 * java.lang.System 100 */ 101 JNIEXPORT jlong JNICALL 102 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored); 103 104 JNIEXPORT jlong JNICALL 105 JVM_NanoTime(JNIEnv *env, jclass ignored); 106 107 JNIEXPORT jlong JNICALL 108 JVM_GetNanoTimeAdjustment(JNIEnv *env, jclass ignored, jlong offset_secs); 109 110 JNIEXPORT void JNICALL 111 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos, 112 jobject dst, jint dst_pos, jint length); 113 114 JNIEXPORT jobject JNICALL 115 JVM_InitProperties(JNIEnv *env, jobject p); 116 117 118 /* 119 * java.lang.Runtime 120 */ 121 JNIEXPORT void JNICALL 122 JVM_Halt(jint code); 123 124 JNIEXPORT void JNICALL 125 JVM_GC(void); 126 127 /* Returns the number of real-time milliseconds that have elapsed since the 128 * least-recently-inspected heap object was last inspected by the garbage 129 * collector. 130 * 131 * For simple stop-the-world collectors this value is just the time 132 * since the most recent collection. For generational collectors it is the 133 * time since the oldest generation was most recently collected. Other 134 * collectors are free to return a pessimistic estimate of the elapsed time, or 135 * simply the time since the last full collection was performed. 136 * 137 * Note that in the presence of reference objects, a given object that is no 138 * longer strongly reachable may have to be inspected multiple times before it 139 * can be reclaimed. 140 */ 141 JNIEXPORT jlong JNICALL 142 JVM_MaxObjectInspectionAge(void); 143 144 JNIEXPORT jlong JNICALL 145 JVM_TotalMemory(void); 146 147 JNIEXPORT jlong JNICALL 148 JVM_FreeMemory(void); 149 150 JNIEXPORT jlong JNICALL 151 JVM_MaxMemory(void); 152 153 JNIEXPORT jint JNICALL 154 JVM_ActiveProcessorCount(void); 155 156 JNIEXPORT void * JNICALL 157 JVM_LoadLibrary(const char *name); 158 159 JNIEXPORT void JNICALL 160 JVM_UnloadLibrary(void * handle); 161 162 JNIEXPORT void * JNICALL 163 JVM_FindLibraryEntry(void *handle, const char *name); 164 165 JNIEXPORT jboolean JNICALL 166 JVM_IsSupportedJNIVersion(jint version); 167 168 JNIEXPORT jobjectArray JNICALL 169 JVM_GetVmArguments(JNIEnv *env); 170 171 172 /* 173 * java.lang.Throwable 174 */ 175 JNIEXPORT void JNICALL 176 JVM_FillInStackTrace(JNIEnv *env, jobject throwable); 177 178 /* 179 * java.lang.StackTraceElement 180 */ 181 JNIEXPORT void JNICALL 182 JVM_InitStackTraceElementArray(JNIEnv *env, jobjectArray elements, jobject throwable); 183 184 JNIEXPORT void JNICALL 185 JVM_InitStackTraceElement(JNIEnv* env, jobject element, jobject stackFrameInfo); 186 187 /* 188 * java.lang.StackWalker 189 */ 190 enum { 191 JVM_STACKWALK_FILL_CLASS_REFS_ONLY = 0x2, 192 JVM_STACKWALK_GET_CALLER_CLASS = 0x04, 193 JVM_STACKWALK_SHOW_HIDDEN_FRAMES = 0x20, 194 JVM_STACKWALK_FILL_LIVE_STACK_FRAMES = 0x100 195 }; 196 197 JNIEXPORT jobject JNICALL 198 JVM_CallStackWalk(JNIEnv *env, jobject stackStream, jlong mode, 199 jint skip_frames, jint frame_count, jint start_index, 200 jobjectArray frames); 201 202 JNIEXPORT jint JNICALL 203 JVM_MoreStackWalk(JNIEnv *env, jobject stackStream, jlong mode, jlong anchor, 204 jint frame_count, jint start_index, 205 jobjectArray frames); 206 207 /* 208 * java.lang.Thread 209 */ 210 JNIEXPORT void JNICALL 211 JVM_StartThread(JNIEnv *env, jobject thread); 212 213 JNIEXPORT void JNICALL 214 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception); 215 216 JNIEXPORT jboolean JNICALL 217 JVM_IsThreadAlive(JNIEnv *env, jobject thread); 218 219 JNIEXPORT void JNICALL 220 JVM_SuspendThread(JNIEnv *env, jobject thread); 221 222 JNIEXPORT void JNICALL 223 JVM_ResumeThread(JNIEnv *env, jobject thread); 224 225 JNIEXPORT void JNICALL 226 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio); 227 228 JNIEXPORT void JNICALL 229 JVM_Yield(JNIEnv *env, jclass threadClass); 230 231 JNIEXPORT void JNICALL 232 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis); 233 234 JNIEXPORT jobject JNICALL 235 JVM_CurrentThread(JNIEnv *env, jclass threadClass); 236 237 JNIEXPORT jint JNICALL 238 JVM_CountStackFrames(JNIEnv *env, jobject thread); 239 240 JNIEXPORT void JNICALL 241 JVM_Interrupt(JNIEnv *env, jobject thread); 242 243 JNIEXPORT jboolean JNICALL 244 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted); 245 246 JNIEXPORT jboolean JNICALL 247 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj); 248 249 JNIEXPORT void JNICALL 250 JVM_DumpAllStacks(JNIEnv *env, jclass unused); 251 252 JNIEXPORT jobjectArray JNICALL 253 JVM_GetAllThreads(JNIEnv *env, jclass dummy); 254 255 JNIEXPORT void JNICALL 256 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name); 257 258 /* getStackTrace() and getAllStackTraces() method */ 259 JNIEXPORT jobjectArray JNICALL 260 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads); 261 262 /* 263 * java.lang.SecurityManager 264 */ 265 JNIEXPORT jclass JNICALL 266 JVM_CurrentLoadedClass(JNIEnv *env); 267 268 JNIEXPORT jobject JNICALL 269 JVM_CurrentClassLoader(JNIEnv *env); 270 271 JNIEXPORT jobjectArray JNICALL 272 JVM_GetClassContext(JNIEnv *env); 273 274 JNIEXPORT jint JNICALL 275 JVM_ClassDepth(JNIEnv *env, jstring name); 276 277 JNIEXPORT jint JNICALL 278 JVM_ClassLoaderDepth(JNIEnv *env); 279 280 /* 281 * java.lang.Package 282 */ 283 JNIEXPORT jstring JNICALL 284 JVM_GetSystemPackage(JNIEnv *env, jstring name); 285 286 JNIEXPORT jobjectArray JNICALL 287 JVM_GetSystemPackages(JNIEnv *env); 288 289 /* 290 * java.lang.ref.Reference 291 */ 292 JNIEXPORT jobject JNICALL 293 JVM_GetAndClearReferencePendingList(JNIEnv *env); 294 295 JNIEXPORT jboolean JNICALL 296 JVM_HasReferencePendingList(JNIEnv *env); 297 298 JNIEXPORT void JNICALL 299 JVM_WaitForReferencePendingList(JNIEnv *env); 300 301 /* 302 * java.io.ObjectInputStream 303 */ 304 JNIEXPORT jobject JNICALL 305 JVM_LatestUserDefinedLoader(JNIEnv *env); 306 307 /* 308 * java.lang.reflect.Array 309 */ 310 JNIEXPORT jint JNICALL 311 JVM_GetArrayLength(JNIEnv *env, jobject arr); 312 313 JNIEXPORT jobject JNICALL 314 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index); 315 316 JNIEXPORT jvalue JNICALL 317 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode); 318 319 JNIEXPORT void JNICALL 320 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val); 321 322 JNIEXPORT void JNICALL 323 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v, 324 unsigned char vCode); 325 326 JNIEXPORT jobject JNICALL 327 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length); 328 329 JNIEXPORT jobject JNICALL 330 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim); 331 332 /* 333 * java.lang.Class and java.lang.ClassLoader 334 */ 335 336 #define JVM_CALLER_DEPTH -1 337 338 /* 339 * Returns the immediate caller class of the native method invoking 340 * JVM_GetCallerClass. The Method.invoke and other frames due to 341 * reflection machinery are skipped. 342 * 343 * The depth parameter must be -1 (JVM_DEPTH). The caller is expected 344 * to be marked with sun.reflect.CallerSensitive. The JVM will throw 345 * an error if it is not marked propertly. 346 */ 347 JNIEXPORT jclass JNICALL 348 JVM_GetCallerClass(JNIEnv *env, int depth); 349 350 351 /* 352 * Find primitive classes 353 * utf: class name 354 */ 355 JNIEXPORT jclass JNICALL 356 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf); 357 358 359 /* 360 * Find a class from a boot class loader. Returns NULL if class not found. 361 */ 362 JNIEXPORT jclass JNICALL 363 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name); 364 365 /* 366 * Find a class from a given class loader. Throws ClassNotFoundException. 367 * name: name of class 368 * init: whether initialization is done 369 * loader: class loader to look up the class. This may not be the same as the caller's 370 * class loader. 371 * caller: initiating class. The initiating class may be null when a security 372 * manager is not installed. 373 */ 374 JNIEXPORT jclass JNICALL 375 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init, 376 jobject loader, jclass caller); 377 378 /* 379 * Find a class from a given class. 380 */ 381 JNIEXPORT jclass JNICALL 382 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init, 383 jclass from); 384 385 /* Find a loaded class cached by the VM */ 386 JNIEXPORT jclass JNICALL 387 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name); 388 389 /* Define a class */ 390 JNIEXPORT jclass JNICALL 391 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, 392 jsize len, jobject pd); 393 394 /* Define a class with a source (added in JDK1.5) */ 395 JNIEXPORT jclass JNICALL 396 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, 397 const jbyte *buf, jsize len, jobject pd, 398 const char *source); 399 400 /* 401 * Module support funcions 402 */ 403 404 /* 405 * Define a module with the specified packages and bind the module to the 406 * given class loader. 407 * module: module to define 408 * is_open: specifies if module is open (currently ignored) 409 * version: the module version 410 * location: the module location 411 * packages: list of packages in the module 412 * num_packages: number of packages in the module 413 */ 414 JNIEXPORT void JNICALL 415 JVM_DefineModule(JNIEnv *env, jobject module, jboolean is_open, jstring version, 416 jstring location, const char* const* packages, jsize num_packages); 417 418 /* 419 * Set the boot loader's unnamed module. 420 * module: boot loader's unnamed module 421 */ 422 JNIEXPORT void JNICALL 423 JVM_SetBootLoaderUnnamedModule(JNIEnv *env, jobject module); 424 425 /* 426 * Do a qualified export of a package. 427 * from_module: module containing the package to export 428 * package: name of the package to export 429 * to_module: module to export the package to 430 */ 431 JNIEXPORT void JNICALL 432 JVM_AddModuleExports(JNIEnv *env, jobject from_module, const char* package, jobject to_module); 433 434 /* 435 * Do an export of a package to all unnamed modules. 436 * from_module: module containing the package to export 437 * package: name of the package to export to all unnamed modules 438 */ 439 JNIEXPORT void JNICALL 440 JVM_AddModuleExportsToAllUnnamed(JNIEnv *env, jobject from_module, const char* package); 441 442 /* 443 * Do an unqualified export of a package. 444 * from_module: module containing the package to export 445 * package: name of the package to export 446 */ 447 JNIEXPORT void JNICALL 448 JVM_AddModuleExportsToAll(JNIEnv *env, jobject from_module, const char* package); 449 450 /* 451 * Add a module to the list of modules that a given module can read. 452 * from_module: module requesting read access 453 * source_module: module that from_module wants to read 454 */ 455 JNIEXPORT void JNICALL 456 JVM_AddReadsModule(JNIEnv *env, jobject from_module, jobject source_module); 457 458 /* 459 * Add a package to a module. 460 * module: module that will contain the package 461 * package: package to add to the module 462 */ 463 JNIEXPORT void JNICALL 464 JVM_AddModulePackage(JNIEnv* env, jobject module, const char* package); 465 466 /* 467 * Reflection support functions 468 */ 469 470 JNIEXPORT jstring JNICALL 471 JVM_GetClassName(JNIEnv *env, jclass cls); 472 473 JNIEXPORT jobjectArray JNICALL 474 JVM_GetClassInterfaces(JNIEnv *env, jclass cls); 475 476 JNIEXPORT jboolean JNICALL 477 JVM_IsInterface(JNIEnv *env, jclass cls); 478 479 JNIEXPORT jobjectArray JNICALL 480 JVM_GetClassSigners(JNIEnv *env, jclass cls); 481 482 JNIEXPORT void JNICALL 483 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers); 484 485 JNIEXPORT jobject JNICALL 486 JVM_GetProtectionDomain(JNIEnv *env, jclass cls); 487 488 JNIEXPORT jboolean JNICALL 489 JVM_IsArrayClass(JNIEnv *env, jclass cls); 490 491 JNIEXPORT jboolean JNICALL 492 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls); 493 494 JNIEXPORT jint JNICALL 495 JVM_GetClassModifiers(JNIEnv *env, jclass cls); 496 497 JNIEXPORT jobjectArray JNICALL 498 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass); 499 500 JNIEXPORT jclass JNICALL 501 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass); 502 503 JNIEXPORT jstring JNICALL 504 JVM_GetSimpleBinaryName(JNIEnv *env, jclass ofClass); 505 506 /* Generics support (JDK 1.5) */ 507 JNIEXPORT jstring JNICALL 508 JVM_GetClassSignature(JNIEnv *env, jclass cls); 509 510 /* Annotations support (JDK 1.5) */ 511 JNIEXPORT jbyteArray JNICALL 512 JVM_GetClassAnnotations(JNIEnv *env, jclass cls); 513 514 /* Type use annotations support (JDK 1.8) */ 515 516 JNIEXPORT jbyteArray JNICALL 517 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls); 518 519 JNIEXPORT jbyteArray JNICALL 520 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field); 521 522 JNIEXPORT jbyteArray JNICALL 523 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method); 524 525 /* 526 * New (JDK 1.4) reflection implementation 527 */ 528 529 JNIEXPORT jobjectArray JNICALL 530 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly); 531 532 JNIEXPORT jobjectArray JNICALL 533 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly); 534 535 JNIEXPORT jobjectArray JNICALL 536 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly); 537 538 /* Differs from JVM_GetClassModifiers in treatment of inner classes. 539 This returns the access flags for the class as specified in the 540 class file rather than searching the InnerClasses attribute (if 541 present) to find the source-level access flags. Only the values of 542 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be 543 valid. */ 544 JNIEXPORT jint JNICALL 545 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls); 546 547 /* The following two reflection routines are still needed due to startup time issues */ 548 /* 549 * java.lang.reflect.Method 550 */ 551 JNIEXPORT jobject JNICALL 552 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0); 553 554 /* 555 * java.lang.reflect.Constructor 556 */ 557 JNIEXPORT jobject JNICALL 558 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0); 559 560 /* 561 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5) 562 */ 563 564 JNIEXPORT jobject JNICALL 565 JVM_GetClassConstantPool(JNIEnv *env, jclass cls); 566 567 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize 568 (JNIEnv *env, jobject unused, jobject jcpool); 569 570 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt 571 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 572 573 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded 574 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 575 576 JNIEXPORT jint JNICALL JVM_ConstantPoolGetClassRefIndexAt 577 (JNIEnv *env, jobject obj, jobject unused, jint index); 578 579 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt 580 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 581 582 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded 583 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 584 585 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt 586 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 587 588 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded 589 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 590 591 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt 592 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 593 594 JNIEXPORT jint JNICALL JVM_ConstantPoolGetNameAndTypeRefIndexAt 595 (JNIEnv *env, jobject obj, jobject unused, jint index); 596 597 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetNameAndTypeRefInfoAt 598 (JNIEnv *env, jobject obj, jobject unused, jint index); 599 600 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt 601 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 602 603 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt 604 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 605 606 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt 607 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 608 609 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt 610 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 611 612 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt 613 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 614 615 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At 616 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 617 618 JNIEXPORT jbyte JNICALL JVM_ConstantPoolGetTagAt 619 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 620 621 /* 622 * Parameter reflection 623 */ 624 625 JNIEXPORT jobjectArray JNICALL 626 JVM_GetMethodParameters(JNIEnv *env, jobject method); 627 628 /* 629 * java.security.* 630 */ 631 632 JNIEXPORT jobject JNICALL 633 JVM_DoPrivileged(JNIEnv *env, jclass cls, 634 jobject action, jobject context, jboolean wrapException); 635 636 JNIEXPORT jobject JNICALL 637 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls); 638 639 JNIEXPORT jobject JNICALL 640 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls); 641 642 /* 643 * Signal support, used to implement the shutdown sequence. Every VM must 644 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts 645 * (^C) and the latter for external termination (kill, system shutdown, etc.). 646 * Other platform-dependent signal values may also be supported. 647 */ 648 649 JNIEXPORT void * JNICALL 650 JVM_RegisterSignal(jint sig, void *handler); 651 652 JNIEXPORT jboolean JNICALL 653 JVM_RaiseSignal(jint sig); 654 655 JNIEXPORT jint JNICALL 656 JVM_FindSignal(const char *name); 657 658 /* 659 * Retrieve the assertion directives for the specified class. 660 */ 661 JNIEXPORT jboolean JNICALL 662 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls); 663 664 /* 665 * Retrieve the assertion directives from the VM. 666 */ 667 JNIEXPORT jobject JNICALL 668 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused); 669 670 /* 671 * java.util.concurrent.atomic.AtomicLong 672 */ 673 JNIEXPORT jboolean JNICALL 674 JVM_SupportsCX8(void); 675 676 /* 677 * com.sun.dtrace.jsdt support 678 */ 679 680 #define JVM_TRACING_DTRACE_VERSION 1 681 682 /* 683 * Structure to pass one probe description to JVM 684 */ 685 typedef struct { 686 jmethodID method; 687 jstring function; 688 jstring name; 689 void* reserved[4]; // for future use 690 } JVM_DTraceProbe; 691 692 /** 693 * Encapsulates the stability ratings for a DTrace provider field 694 */ 695 typedef struct { 696 jint nameStability; 697 jint dataStability; 698 jint dependencyClass; 699 } JVM_DTraceInterfaceAttributes; 700 701 /* 702 * Structure to pass one provider description to JVM 703 */ 704 typedef struct { 705 jstring name; 706 JVM_DTraceProbe* probes; 707 jint probe_count; 708 JVM_DTraceInterfaceAttributes providerAttributes; 709 JVM_DTraceInterfaceAttributes moduleAttributes; 710 JVM_DTraceInterfaceAttributes functionAttributes; 711 JVM_DTraceInterfaceAttributes nameAttributes; 712 JVM_DTraceInterfaceAttributes argsAttributes; 713 void* reserved[4]; // for future use 714 } JVM_DTraceProvider; 715 716 /* 717 * Get the version number the JVM was built with 718 */ 719 JNIEXPORT jint JNICALL 720 JVM_DTraceGetVersion(JNIEnv* env); 721 722 /* 723 * Register new probe with given signature, return global handle 724 * 725 * The version passed in is the version that the library code was 726 * built with. 727 */ 728 JNIEXPORT jlong JNICALL 729 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name, 730 jint providers_count, JVM_DTraceProvider* providers); 731 732 /* 733 * Check JSDT probe 734 */ 735 JNIEXPORT jboolean JNICALL 736 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method); 737 738 /* 739 * Destroy custom DOF 740 */ 741 JNIEXPORT void JNICALL 742 JVM_DTraceDispose(JNIEnv* env, jlong activation_handle); 743 744 /* 745 * Check to see if DTrace is supported by OS 746 */ 747 JNIEXPORT jboolean JNICALL 748 JVM_DTraceIsSupported(JNIEnv* env); 749 750 /************************************************************************* 751 PART 2: Support for the Verifier and Class File Format Checker 752 ************************************************************************/ 753 /* 754 * Return the class name in UTF format. The result is valid 755 * until JVM_ReleaseUTf is called. 756 * 757 * The caller must treat the string as a constant and not modify it 758 * in any way. 759 */ 760 JNIEXPORT const char * JNICALL 761 JVM_GetClassNameUTF(JNIEnv *env, jclass cb); 762 763 /* 764 * Returns the constant pool types in the buffer provided by "types." 765 */ 766 JNIEXPORT void JNICALL 767 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types); 768 769 /* 770 * Returns the number of Constant Pool entries. 771 */ 772 JNIEXPORT jint JNICALL 773 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb); 774 775 /* 776 * Returns the number of *declared* fields or methods. 777 */ 778 JNIEXPORT jint JNICALL 779 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb); 780 781 JNIEXPORT jint JNICALL 782 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb); 783 784 /* 785 * Returns the CP indexes of exceptions raised by a given method. 786 * Places the result in the given buffer. 787 * 788 * The method is identified by method_index. 789 */ 790 JNIEXPORT void JNICALL 791 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index, 792 unsigned short *exceptions); 793 /* 794 * Returns the number of exceptions raised by a given method. 795 * The method is identified by method_index. 796 */ 797 JNIEXPORT jint JNICALL 798 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index); 799 800 /* 801 * Returns the byte code sequence of a given method. 802 * Places the result in the given buffer. 803 * 804 * The method is identified by method_index. 805 */ 806 JNIEXPORT void JNICALL 807 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index, 808 unsigned char *code); 809 810 /* 811 * Returns the length of the byte code sequence of a given method. 812 * The method is identified by method_index. 813 */ 814 JNIEXPORT jint JNICALL 815 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index); 816 817 /* 818 * A structure used to a capture exception table entry in a Java method. 819 */ 820 typedef struct { 821 jint start_pc; 822 jint end_pc; 823 jint handler_pc; 824 jint catchType; 825 } JVM_ExceptionTableEntryType; 826 827 /* 828 * Returns the exception table entry at entry_index of a given method. 829 * Places the result in the given buffer. 830 * 831 * The method is identified by method_index. 832 */ 833 JNIEXPORT void JNICALL 834 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index, 835 jint entry_index, 836 JVM_ExceptionTableEntryType *entry); 837 838 /* 839 * Returns the length of the exception table of a given method. 840 * The method is identified by method_index. 841 */ 842 JNIEXPORT jint JNICALL 843 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index); 844 845 /* 846 * Returns the modifiers of a given field. 847 * The field is identified by field_index. 848 */ 849 JNIEXPORT jint JNICALL 850 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index); 851 852 /* 853 * Returns the modifiers of a given method. 854 * The method is identified by method_index. 855 */ 856 JNIEXPORT jint JNICALL 857 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index); 858 859 /* 860 * Returns the number of local variables of a given method. 861 * The method is identified by method_index. 862 */ 863 JNIEXPORT jint JNICALL 864 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index); 865 866 /* 867 * Returns the number of arguments (including this pointer) of a given method. 868 * The method is identified by method_index. 869 */ 870 JNIEXPORT jint JNICALL 871 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index); 872 873 /* 874 * Returns the maximum amount of stack (in words) used by a given method. 875 * The method is identified by method_index. 876 */ 877 JNIEXPORT jint JNICALL 878 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index); 879 880 /* 881 * Is a given method a constructor. 882 * The method is identified by method_index. 883 */ 884 JNIEXPORT jboolean JNICALL 885 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index); 886 887 /* 888 * Is the given method generated by the VM. 889 * The method is identified by method_index. 890 */ 891 JNIEXPORT jboolean JNICALL 892 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index); 893 894 /* 895 * Returns the name of a given method in UTF format. 896 * The result remains valid until JVM_ReleaseUTF is called. 897 * 898 * The caller must treat the string as a constant and not modify it 899 * in any way. 900 */ 901 JNIEXPORT const char * JNICALL 902 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index); 903 904 /* 905 * Returns the signature of a given method in UTF format. 906 * The result remains valid until JVM_ReleaseUTF is called. 907 * 908 * The caller must treat the string as a constant and not modify it 909 * in any way. 910 */ 911 JNIEXPORT const char * JNICALL 912 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index); 913 914 /* 915 * Returns the name of the field referred to at a given constant pool 916 * index. 917 * 918 * The result is in UTF format and remains valid until JVM_ReleaseUTF 919 * is called. 920 * 921 * The caller must treat the string as a constant and not modify it 922 * in any way. 923 */ 924 JNIEXPORT const char * JNICALL 925 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index); 926 927 /* 928 * Returns the name of the method referred to at a given constant pool 929 * index. 930 * 931 * The result is in UTF format and remains valid until JVM_ReleaseUTF 932 * is called. 933 * 934 * The caller must treat the string as a constant and not modify it 935 * in any way. 936 */ 937 JNIEXPORT const char * JNICALL 938 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index); 939 940 /* 941 * Returns the signature of the method referred to at a given constant pool 942 * index. 943 * 944 * The result is in UTF format and remains valid until JVM_ReleaseUTF 945 * is called. 946 * 947 * The caller must treat the string as a constant and not modify it 948 * in any way. 949 */ 950 JNIEXPORT const char * JNICALL 951 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index); 952 953 /* 954 * Returns the signature of the field referred to at a given constant pool 955 * index. 956 * 957 * The result is in UTF format and remains valid until JVM_ReleaseUTF 958 * is called. 959 * 960 * The caller must treat the string as a constant and not modify it 961 * in any way. 962 */ 963 JNIEXPORT const char * JNICALL 964 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index); 965 966 /* 967 * Returns the class name referred to at a given constant pool index. 968 * 969 * The result is in UTF format and remains valid until JVM_ReleaseUTF 970 * is called. 971 * 972 * The caller must treat the string as a constant and not modify it 973 * in any way. 974 */ 975 JNIEXPORT const char * JNICALL 976 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index); 977 978 /* 979 * Returns the class name referred to at a given constant pool index. 980 * 981 * The constant pool entry must refer to a CONSTANT_Fieldref. 982 * 983 * The result is in UTF format and remains valid until JVM_ReleaseUTF 984 * is called. 985 * 986 * The caller must treat the string as a constant and not modify it 987 * in any way. 988 */ 989 JNIEXPORT const char * JNICALL 990 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index); 991 992 /* 993 * Returns the class name referred to at a given constant pool index. 994 * 995 * The constant pool entry must refer to CONSTANT_Methodref or 996 * CONSTANT_InterfaceMethodref. 997 * 998 * The result is in UTF format and remains valid until JVM_ReleaseUTF 999 * is called. 1000 * 1001 * The caller must treat the string as a constant and not modify it 1002 * in any way. 1003 */ 1004 JNIEXPORT const char * JNICALL 1005 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index); 1006 1007 /* 1008 * Returns the modifiers of a field in calledClass. The field is 1009 * referred to in class cb at constant pool entry index. 1010 * 1011 * The caller must treat the string as a constant and not modify it 1012 * in any way. 1013 * 1014 * Returns -1 if the field does not exist in calledClass. 1015 */ 1016 JNIEXPORT jint JNICALL 1017 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 1018 1019 /* 1020 * Returns the modifiers of a method in calledClass. The method is 1021 * referred to in class cb at constant pool entry index. 1022 * 1023 * Returns -1 if the method does not exist in calledClass. 1024 */ 1025 JNIEXPORT jint JNICALL 1026 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 1027 1028 /* 1029 * Releases the UTF string obtained from the VM. 1030 */ 1031 JNIEXPORT void JNICALL 1032 JVM_ReleaseUTF(const char *utf); 1033 1034 /* 1035 * Compare if two classes are in the same package. 1036 */ 1037 JNIEXPORT jboolean JNICALL 1038 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2); 1039 1040 /* Get classfile constants */ 1041 #include "classfile_constants.h" 1042 1043 /* 1044 * A function defined by the byte-code verifier and called by the VM. 1045 * This is not a function implemented in the VM. 1046 * 1047 * Returns JNI_FALSE if verification fails. A detailed error message 1048 * will be places in msg_buf, whose length is specified by buf_len. 1049 */ 1050 typedef jboolean (*verifier_fn_t)(JNIEnv *env, 1051 jclass cb, 1052 char * msg_buf, 1053 jint buf_len); 1054 1055 1056 /* 1057 * Support for a VM-independent class format checker. 1058 */ 1059 typedef struct { 1060 unsigned long code; /* byte code */ 1061 unsigned long excs; /* exceptions */ 1062 unsigned long etab; /* catch table */ 1063 unsigned long lnum; /* line number */ 1064 unsigned long lvar; /* local vars */ 1065 } method_size_info; 1066 1067 typedef struct { 1068 unsigned int constants; /* constant pool */ 1069 unsigned int fields; 1070 unsigned int methods; 1071 unsigned int interfaces; 1072 unsigned int fields2; /* number of static 2-word fields */ 1073 unsigned int innerclasses; /* # of records in InnerClasses attr */ 1074 1075 method_size_info clinit; /* memory used in clinit */ 1076 method_size_info main; /* used everywhere else */ 1077 } class_size_info; 1078 1079 /* 1080 * Functions defined in libjava.so to perform string conversions. 1081 * 1082 */ 1083 1084 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str); 1085 1086 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b); 1087 1088 /* This is the function defined in libjava.so that performs class 1089 * format checks. This functions fills in size information about 1090 * the class file and returns: 1091 * 1092 * 0: good 1093 * -1: out of memory 1094 * -2: bad format 1095 * -3: unsupported version 1096 * -4: bad class name 1097 */ 1098 1099 typedef jint (*check_format_fn_t)(char *class_name, 1100 unsigned char *data, 1101 unsigned int data_size, 1102 class_size_info *class_size, 1103 char *message_buffer, 1104 jint buffer_length, 1105 jboolean measure_only, 1106 jboolean check_relaxed); 1107 1108 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \ 1109 JVM_ACC_FINAL | \ 1110 JVM_ACC_SUPER | \ 1111 JVM_ACC_INTERFACE | \ 1112 JVM_ACC_ABSTRACT | \ 1113 JVM_ACC_ANNOTATION | \ 1114 JVM_ACC_ENUM | \ 1115 JVM_ACC_SYNTHETIC) 1116 1117 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \ 1118 JVM_ACC_PRIVATE | \ 1119 JVM_ACC_PROTECTED | \ 1120 JVM_ACC_STATIC | \ 1121 JVM_ACC_FINAL | \ 1122 JVM_ACC_VOLATILE | \ 1123 JVM_ACC_TRANSIENT | \ 1124 JVM_ACC_ENUM | \ 1125 JVM_ACC_SYNTHETIC) 1126 1127 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \ 1128 JVM_ACC_PRIVATE | \ 1129 JVM_ACC_PROTECTED | \ 1130 JVM_ACC_STATIC | \ 1131 JVM_ACC_FINAL | \ 1132 JVM_ACC_SYNCHRONIZED | \ 1133 JVM_ACC_BRIDGE | \ 1134 JVM_ACC_VARARGS | \ 1135 JVM_ACC_NATIVE | \ 1136 JVM_ACC_ABSTRACT | \ 1137 JVM_ACC_STRICT | \ 1138 JVM_ACC_SYNTHETIC) 1139 1140 /* 1141 * This is the function defined in libjava.so to perform path 1142 * canonicalization. VM call this function before opening jar files 1143 * to load system classes. 1144 * 1145 */ 1146 1147 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len); 1148 1149 /************************************************************************* 1150 PART 3: I/O and Network Support 1151 ************************************************************************/ 1152 1153 /* 1154 * Convert a pathname into native format. This function does syntactic 1155 * cleanup, such as removing redundant separator characters. It modifies 1156 * the given pathname string in place. 1157 */ 1158 JNIEXPORT char * JNICALL 1159 JVM_NativePath(char *); 1160 1161 /* 1162 * The standard printing functions supported by the Java VM. (Should they 1163 * be renamed to JVM_* in the future? 1164 */ 1165 1166 /* 1167 * BE CAREFUL! The following functions do not implement the 1168 * full feature set of standard C printf formats. 1169 */ 1170 int 1171 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args); 1172 1173 int 1174 jio_snprintf(char *str, size_t count, const char *fmt, ...); 1175 1176 int 1177 jio_fprintf(FILE *, const char *fmt, ...); 1178 1179 int 1180 jio_vfprintf(FILE *, const char *fmt, va_list args); 1181 1182 1183 JNIEXPORT void * JNICALL 1184 JVM_RawMonitorCreate(void); 1185 1186 JNIEXPORT void JNICALL 1187 JVM_RawMonitorDestroy(void *mon); 1188 1189 JNIEXPORT jint JNICALL 1190 JVM_RawMonitorEnter(void *mon); 1191 1192 JNIEXPORT void JNICALL 1193 JVM_RawMonitorExit(void *mon); 1194 1195 /* 1196 * java.lang.management support 1197 */ 1198 JNIEXPORT void* JNICALL 1199 JVM_GetManagement(jint version); 1200 1201 /* 1202 * com.sun.tools.attach.VirtualMachine support 1203 * 1204 * Initialize the agent properties with the properties maintained in the VM. 1205 */ 1206 JNIEXPORT jobject JNICALL 1207 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props); 1208 1209 JNIEXPORT jstring JNICALL 1210 JVM_GetTemporaryDirectory(JNIEnv *env); 1211 1212 /* Generics reflection support. 1213 * 1214 * Returns information about the given class's EnclosingMethod 1215 * attribute, if present, or null if the class had no enclosing 1216 * method. 1217 * 1218 * If non-null, the returned array contains three elements. Element 0 1219 * is the java.lang.Class of which the enclosing method is a member, 1220 * and elements 1 and 2 are the java.lang.Strings for the enclosing 1221 * method's name and descriptor, respectively. 1222 */ 1223 JNIEXPORT jobjectArray JNICALL 1224 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass); 1225 1226 /* ========================================================================= 1227 * The following defines a private JVM interface that the JDK can query 1228 * for the JVM version and capabilities. sun.misc.Version defines 1229 * the methods for getting the VM version and its capabilities. 1230 * 1231 * When a new bit is added, the following should be updated to provide 1232 * access to the new capability: 1233 * HS: JVM_GetVersionInfo and Abstract_VM_Version class 1234 * SDK: Version class 1235 * 1236 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for 1237 * JVM to query for the JDK version and capabilities. 1238 * 1239 * When a new bit is added, the following should be updated to provide 1240 * access to the new capability: 1241 * HS: JDK_Version class 1242 * SDK: JDK_GetVersionInfo0 1243 * 1244 * ========================================================================== 1245 */ 1246 typedef struct { 1247 unsigned int jvm_version; /* Encoded $VNUM as specified by JEP-223 */ 1248 unsigned int patch_version : 8; /* JEP-223 patch version */ 1249 unsigned int reserved3 : 8; 1250 unsigned int reserved1 : 16; 1251 unsigned int reserved2; 1252 1253 /* The following bits represents JVM supports that JDK has dependency on. 1254 * JDK can use these bits to determine which JVM version 1255 * and support it has to maintain runtime compatibility. 1256 * 1257 * When a new bit is added in a minor or update release, make sure 1258 * the new bit is also added in the main/baseline. 1259 */ 1260 unsigned int is_attach_supported : 1; 1261 unsigned int : 31; 1262 unsigned int : 32; 1263 unsigned int : 32; 1264 } jvm_version_info; 1265 1266 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1267 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1268 #define JVM_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) 1269 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF)) 1270 1271 JNIEXPORT void JNICALL 1272 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size); 1273 1274 typedef struct { 1275 unsigned int jdk_version; /* Encoded $VNUM as specified by JEP-223 */ 1276 unsigned int patch_version : 8; /* JEP-223 patch version */ 1277 unsigned int reserved3 : 8; 1278 unsigned int reserved1 : 16; 1279 unsigned int reserved2; 1280 1281 /* The following bits represents new JDK supports that VM has dependency on. 1282 * VM implementation can use these bits to determine which JDK version 1283 * and support it has to maintain runtime compatibility. 1284 * 1285 * When a new bit is added in a minor or update release, make sure 1286 * the new bit is also added in the main/baseline. 1287 */ 1288 unsigned int thread_park_blocker : 1; 1289 unsigned int post_vm_init_hook_enabled : 1; 1290 unsigned int pending_list_uses_discovered_field : 1; 1291 unsigned int : 29; 1292 unsigned int : 32; 1293 unsigned int : 32; 1294 } jdk_version_info; 1295 1296 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1297 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1298 #define JDK_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) 1299 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF)) 1300 1301 /* 1302 * This is the function JDK_GetVersionInfo0 defined in libjava.so 1303 * that is dynamically looked up by JVM. 1304 */ 1305 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size); 1306 1307 /* 1308 * This structure is used by the launcher to get the default thread 1309 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a 1310 * version of 1.1. As it is not supported otherwise, it has been removed 1311 * from jni.h 1312 */ 1313 typedef struct JDK1_1InitArgs { 1314 jint version; 1315 1316 char **properties; 1317 jint checkSource; 1318 jint nativeStackSize; 1319 jint javaStackSize; 1320 jint minHeapSize; 1321 jint maxHeapSize; 1322 jint verifyMode; 1323 char *classpath; 1324 1325 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args); 1326 void (JNICALL *exit)(jint code); 1327 void (JNICALL *abort)(void); 1328 1329 jint enableClassGC; 1330 jint enableVerboseGC; 1331 jint disableAsyncGC; 1332 jint verbose; 1333 jboolean debugging; 1334 jint debugPort; 1335 } JDK1_1InitArgs; 1336 1337 1338 #ifdef __cplusplus 1339 } /* extern "C" */ 1340 1341 #endif /* __cplusplus */ 1342 1343 #endif /* !_JAVASOFT_JVM_H_ */