1 /* 2 * Copyright (c) 1997, 2019, 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 6 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_BeforeHalt(); 123 124 JNIEXPORT void JNICALL 125 JVM_Halt(jint code); 126 127 JNIEXPORT void JNICALL 128 JVM_GC(void); 129 130 /* Returns the number of real-time milliseconds that have elapsed since the 131 * least-recently-inspected heap object was last inspected by the garbage 132 * collector. 133 * 134 * For simple stop-the-world collectors this value is just the time 135 * since the most recent collection. For generational collectors it is the 136 * time since the oldest generation was most recently collected. Other 137 * collectors are free to return a pessimistic estimate of the elapsed time, or 138 * simply the time since the last full collection was performed. 139 * 140 * Note that in the presence of reference objects, a given object that is no 141 * longer strongly reachable may have to be inspected multiple times before it 142 * can be reclaimed. 143 */ 144 JNIEXPORT jlong JNICALL 145 JVM_MaxObjectInspectionAge(void); 146 147 JNIEXPORT jlong JNICALL 148 JVM_TotalMemory(void); 149 150 JNIEXPORT jlong JNICALL 151 JVM_FreeMemory(void); 152 153 JNIEXPORT jlong JNICALL 154 JVM_MaxMemory(void); 155 156 JNIEXPORT jint JNICALL 157 JVM_ActiveProcessorCount(void); 158 159 JNIEXPORT jboolean JNICALL 160 JVM_IsUseContainerSupport(void); 161 162 JNIEXPORT void * JNICALL 163 JVM_LoadLibrary(const char *name); 164 165 JNIEXPORT void JNICALL 166 JVM_UnloadLibrary(void * handle); 167 168 JNIEXPORT void * JNICALL 169 JVM_FindLibraryEntry(void *handle, const char *name); 170 171 JNIEXPORT jboolean JNICALL 172 JVM_IsSupportedJNIVersion(jint version); 173 174 JNIEXPORT jobjectArray JNICALL 175 JVM_GetVmArguments(JNIEnv *env); 176 177 JNIEXPORT void JNICALL 178 JVM_InitializeFromArchive(JNIEnv* env, jclass cls); 179 180 /* 181 * java.lang.Throwable 182 */ 183 JNIEXPORT void JNICALL 184 JVM_FillInStackTrace(JNIEnv *env, jobject throwable); 185 186 /* 187 * java.lang.StackTraceElement 188 */ 189 JNIEXPORT void JNICALL 190 JVM_InitStackTraceElementArray(JNIEnv *env, jobjectArray elements, jobject throwable); 191 192 JNIEXPORT void JNICALL 193 JVM_InitStackTraceElement(JNIEnv* env, jobject element, jobject stackFrameInfo); 194 195 /* 196 * java.lang.StackWalker 197 */ 198 enum { 199 JVM_STACKWALK_FILL_CLASS_REFS_ONLY = 0x2, 200 JVM_STACKWALK_GET_CALLER_CLASS = 0x04, 201 JVM_STACKWALK_SHOW_HIDDEN_FRAMES = 0x20, 202 JVM_STACKWALK_FILL_LIVE_STACK_FRAMES = 0x100 203 }; 204 205 JNIEXPORT jobject JNICALL 206 JVM_CallStackWalk(JNIEnv *env, jobject stackStream, jlong mode, 207 jint skip_frames, jint frame_count, jint start_index, 208 jobjectArray frames); 209 210 JNIEXPORT jint JNICALL 211 JVM_MoreStackWalk(JNIEnv *env, jobject stackStream, jlong mode, jlong anchor, 212 jint frame_count, jint start_index, 213 jobjectArray frames); 214 215 /* 216 * java.lang.Thread 217 */ 218 JNIEXPORT void JNICALL 219 JVM_StartThread(JNIEnv *env, jobject thread); 220 221 JNIEXPORT void JNICALL 222 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception); 223 224 JNIEXPORT jboolean JNICALL 225 JVM_IsThreadAlive(JNIEnv *env, jobject thread); 226 227 JNIEXPORT void JNICALL 228 JVM_SuspendThread(JNIEnv *env, jobject thread); 229 230 JNIEXPORT void JNICALL 231 JVM_ResumeThread(JNIEnv *env, jobject thread); 232 233 JNIEXPORT void JNICALL 234 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio); 235 236 JNIEXPORT void JNICALL 237 JVM_Yield(JNIEnv *env, jclass threadClass); 238 239 JNIEXPORT void JNICALL 240 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis); 241 242 JNIEXPORT jobject JNICALL 243 JVM_CurrentThread(JNIEnv *env, jclass threadClass); 244 245 JNIEXPORT jint JNICALL 246 JVM_CountStackFrames(JNIEnv *env, jobject thread); 247 248 JNIEXPORT void JNICALL 249 JVM_Interrupt(JNIEnv *env, jobject thread); 250 251 JNIEXPORT jboolean JNICALL 252 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted); 253 254 JNIEXPORT jboolean JNICALL 255 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj); 256 257 JNIEXPORT void JNICALL 258 JVM_DumpAllStacks(JNIEnv *env, jclass unused); 259 260 JNIEXPORT jobjectArray JNICALL 261 JVM_GetAllThreads(JNIEnv *env, jclass dummy); 262 263 JNIEXPORT void JNICALL 264 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name); 265 266 /* getStackTrace() and getAllStackTraces() method */ 267 JNIEXPORT jobjectArray JNICALL 268 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads); 269 270 /* 271 * java.lang.SecurityManager 272 */ 273 JNIEXPORT jobjectArray JNICALL 274 JVM_GetClassContext(JNIEnv *env); 275 276 /* 277 * java.lang.Package 278 */ 279 JNIEXPORT jstring JNICALL 280 JVM_GetSystemPackage(JNIEnv *env, jstring name); 281 282 JNIEXPORT jobjectArray JNICALL 283 JVM_GetSystemPackages(JNIEnv *env); 284 285 /* 286 * java.lang.ref.Reference 287 */ 288 JNIEXPORT jobject JNICALL 289 JVM_GetAndClearReferencePendingList(JNIEnv *env); 290 291 JNIEXPORT jboolean JNICALL 292 JVM_HasReferencePendingList(JNIEnv *env); 293 294 JNIEXPORT void JNICALL 295 JVM_WaitForReferencePendingList(JNIEnv *env); 296 297 /* 298 * java.io.ObjectInputStream 299 */ 300 JNIEXPORT jobject JNICALL 301 JVM_LatestUserDefinedLoader(JNIEnv *env); 302 303 /* 304 * java.lang.reflect.Array 305 */ 306 JNIEXPORT jint JNICALL 307 JVM_GetArrayLength(JNIEnv *env, jobject arr); 308 309 JNIEXPORT jobject JNICALL 310 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index); 311 312 JNIEXPORT jvalue JNICALL 313 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode); 314 315 JNIEXPORT void JNICALL 316 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val); 317 318 JNIEXPORT void JNICALL 319 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v, 320 unsigned char vCode); 321 322 JNIEXPORT jobject JNICALL 323 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length); 324 325 JNIEXPORT jobject JNICALL 326 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim); 327 328 329 /* 330 * Returns the immediate caller class of the native method invoking 331 * JVM_GetCallerClass. The Method.invoke and other frames due to 332 * reflection machinery are skipped. 333 * 334 * The caller is expected to be marked with 335 * jdk.internal.reflect.CallerSensitive. The JVM will throw an 336 * error if it is not marked properly. 337 */ 338 JNIEXPORT jclass JNICALL 339 JVM_GetCallerClass(JNIEnv *env); 340 341 342 /* 343 * Find primitive classes 344 * utf: class name 345 */ 346 JNIEXPORT jclass JNICALL 347 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf); 348 349 350 /* 351 * Find a class from a boot class loader. Returns NULL if class not found. 352 */ 353 JNIEXPORT jclass JNICALL 354 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name); 355 356 /* 357 * Find a class from a given class loader. Throws ClassNotFoundException. 358 * name: name of class 359 * init: whether initialization is done 360 * loader: class loader to look up the class. This may not be the same as the caller's 361 * class loader. 362 * caller: initiating class. The initiating class may be null when a security 363 * manager is not installed. 364 */ 365 JNIEXPORT jclass JNICALL 366 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init, 367 jobject loader, jclass caller); 368 369 /* 370 * Find a class from a given class. 371 */ 372 JNIEXPORT jclass JNICALL 373 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init, 374 jclass from); 375 376 /* Find a loaded class cached by the VM */ 377 JNIEXPORT jclass JNICALL 378 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name); 379 380 /* Define a class */ 381 JNIEXPORT jclass JNICALL 382 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, 383 jsize len, jobject pd); 384 385 /* Define a class with a source (added in JDK1.5) */ 386 JNIEXPORT jclass JNICALL 387 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, 388 const jbyte *buf, jsize len, jobject pd, 389 const char *source); 390 391 /* 392 * Module support funcions 393 */ 394 395 /* 396 * Define a module with the specified packages and bind the module to the 397 * given class loader. 398 * module: module to define 399 * is_open: specifies if module is open (currently ignored) 400 * version: the module version 401 * location: the module location 402 * packages: list of packages in the module 403 * num_packages: number of packages in the module 404 */ 405 JNIEXPORT void JNICALL 406 JVM_DefineModule(JNIEnv *env, jobject module, jboolean is_open, jstring version, 407 jstring location, const char* const* packages, jsize num_packages); 408 409 /* 410 * Set the boot loader's unnamed module. 411 * module: boot loader's unnamed module 412 */ 413 JNIEXPORT void JNICALL 414 JVM_SetBootLoaderUnnamedModule(JNIEnv *env, jobject module); 415 416 /* 417 * Do a qualified export of a package. 418 * from_module: module containing the package to export 419 * package: name of the package to export 420 * to_module: module to export the package to 421 */ 422 JNIEXPORT void JNICALL 423 JVM_AddModuleExports(JNIEnv *env, jobject from_module, const char* package, jobject to_module); 424 425 /* 426 * Do an export of a package to all unnamed modules. 427 * from_module: module containing the package to export 428 * package: name of the package to export to all unnamed modules 429 */ 430 JNIEXPORT void JNICALL 431 JVM_AddModuleExportsToAllUnnamed(JNIEnv *env, jobject from_module, const char* package); 432 433 /* 434 * Do an unqualified export of a package. 435 * from_module: module containing the package to export 436 * package: name of the package to export 437 */ 438 JNIEXPORT void JNICALL 439 JVM_AddModuleExportsToAll(JNIEnv *env, jobject from_module, const char* package); 440 441 /* 442 * Add a module to the list of modules that a given module can read. 443 * from_module: module requesting read access 444 * source_module: module that from_module wants to read 445 */ 446 JNIEXPORT void JNICALL 447 JVM_AddReadsModule(JNIEnv *env, jobject from_module, jobject source_module); 448 449 /* 450 * Reflection support functions 451 */ 452 453 JNIEXPORT jstring JNICALL 454 JVM_InitClassName(JNIEnv *env, jclass cls); 455 456 JNIEXPORT jobjectArray JNICALL 457 JVM_GetClassInterfaces(JNIEnv *env, jclass cls); 458 459 JNIEXPORT jboolean JNICALL 460 JVM_IsInterface(JNIEnv *env, jclass cls); 461 462 JNIEXPORT jobjectArray JNICALL 463 JVM_GetClassSigners(JNIEnv *env, jclass cls); 464 465 JNIEXPORT void JNICALL 466 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers); 467 468 JNIEXPORT jobject JNICALL 469 JVM_GetProtectionDomain(JNIEnv *env, jclass cls); 470 471 JNIEXPORT jboolean JNICALL 472 JVM_IsArrayClass(JNIEnv *env, jclass cls); 473 474 JNIEXPORT jboolean JNICALL 475 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls); 476 477 JNIEXPORT jint JNICALL 478 JVM_GetClassModifiers(JNIEnv *env, jclass cls); 479 480 JNIEXPORT jobjectArray JNICALL 481 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass); 482 483 JNIEXPORT jclass JNICALL 484 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass); 485 486 JNIEXPORT jstring JNICALL 487 JVM_GetSimpleBinaryName(JNIEnv *env, jclass ofClass); 488 489 /* Generics support (JDK 1.5) */ 490 JNIEXPORT jstring JNICALL 491 JVM_GetClassSignature(JNIEnv *env, jclass cls); 492 493 /* Annotations support (JDK 1.5) */ 494 JNIEXPORT jbyteArray JNICALL 495 JVM_GetClassAnnotations(JNIEnv *env, jclass cls); 496 497 /* Type use annotations support (JDK 1.8) */ 498 499 JNIEXPORT jbyteArray JNICALL 500 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls); 501 502 JNIEXPORT jbyteArray JNICALL 503 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field); 504 505 JNIEXPORT jbyteArray JNICALL 506 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method); 507 508 /* 509 * New (JDK 1.4) reflection implementation 510 */ 511 512 JNIEXPORT jobjectArray JNICALL 513 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly); 514 515 JNIEXPORT jobjectArray JNICALL 516 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly); 517 518 JNIEXPORT jobjectArray JNICALL 519 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly); 520 521 /* Differs from JVM_GetClassModifiers in treatment of inner classes. 522 This returns the access flags for the class as specified in the 523 class file rather than searching the InnerClasses attribute (if 524 present) to find the source-level access flags. Only the values of 525 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be 526 valid. */ 527 JNIEXPORT jint JNICALL 528 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls); 529 530 /* Nestmates - since JDK 11 */ 531 532 JNIEXPORT jboolean JNICALL 533 JVM_AreNestMates(JNIEnv *env, jclass current, jclass member); 534 535 JNIEXPORT jclass JNICALL 536 JVM_GetNestHost(JNIEnv *env, jclass current); 537 538 JNIEXPORT jobjectArray JNICALL 539 JVM_GetNestMembers(JNIEnv *env, jclass current); 540 541 /* The following two reflection routines are still needed due to startup time issues */ 542 /* 543 * java.lang.reflect.Method 544 */ 545 JNIEXPORT jobject JNICALL 546 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0); 547 548 /* 549 * java.lang.reflect.Constructor 550 */ 551 JNIEXPORT jobject JNICALL 552 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0); 553 554 /* 555 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5) 556 */ 557 558 JNIEXPORT jobject JNICALL 559 JVM_GetClassConstantPool(JNIEnv *env, jclass cls); 560 561 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize 562 (JNIEnv *env, jobject unused, jobject jcpool); 563 564 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt 565 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 566 567 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded 568 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 569 570 JNIEXPORT jint JNICALL JVM_ConstantPoolGetClassRefIndexAt 571 (JNIEnv *env, jobject obj, jobject unused, jint index); 572 573 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt 574 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 575 576 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded 577 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 578 579 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt 580 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 581 582 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded 583 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 584 585 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt 586 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 587 588 JNIEXPORT jint JNICALL JVM_ConstantPoolGetNameAndTypeRefIndexAt 589 (JNIEnv *env, jobject obj, jobject unused, jint index); 590 591 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetNameAndTypeRefInfoAt 592 (JNIEnv *env, jobject obj, jobject unused, jint index); 593 594 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt 595 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 596 597 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt 598 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 599 600 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt 601 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 602 603 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt 604 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 605 606 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt 607 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 608 609 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At 610 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 611 612 JNIEXPORT jbyte JNICALL JVM_ConstantPoolGetTagAt 613 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 614 615 /* 616 * Parameter reflection 617 */ 618 619 JNIEXPORT jobjectArray JNICALL 620 JVM_GetMethodParameters(JNIEnv *env, jobject method); 621 622 /* 623 * java.security.* 624 */ 625 626 JNIEXPORT jobject JNICALL 627 JVM_DoPrivileged(JNIEnv *env, jclass cls, 628 jobject action, jobject context, jboolean wrapException); 629 630 JNIEXPORT jobject JNICALL 631 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls); 632 633 JNIEXPORT jobject JNICALL 634 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls); 635 636 /* 637 * Signal support, used to implement the shutdown sequence. Every VM must 638 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts 639 * (^C) and the latter for external termination (kill, system shutdown, etc.). 640 * Other platform-dependent signal values may also be supported. 641 */ 642 643 JNIEXPORT void * JNICALL 644 JVM_RegisterSignal(jint sig, void *handler); 645 646 JNIEXPORT jboolean JNICALL 647 JVM_RaiseSignal(jint sig); 648 649 JNIEXPORT jint JNICALL 650 JVM_FindSignal(const char *name); 651 652 /* 653 * Retrieve the assertion directives for the specified class. 654 */ 655 JNIEXPORT jboolean JNICALL 656 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls); 657 658 /* 659 * Retrieve the assertion directives from the VM. 660 */ 661 JNIEXPORT jobject JNICALL 662 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused); 663 664 /* 665 * java.util.concurrent.atomic.AtomicLong 666 */ 667 JNIEXPORT jboolean JNICALL 668 JVM_SupportsCX8(void); 669 670 /* 671 * com.sun.dtrace.jsdt support 672 */ 673 674 #define JVM_TRACING_DTRACE_VERSION 1 675 676 /* 677 * Structure to pass one probe description to JVM 678 */ 679 typedef struct { 680 jmethodID method; 681 jstring function; 682 jstring name; 683 void* reserved[4]; // for future use 684 } JVM_DTraceProbe; 685 686 /** 687 * Encapsulates the stability ratings for a DTrace provider field 688 */ 689 typedef struct { 690 jint nameStability; 691 jint dataStability; 692 jint dependencyClass; 693 } JVM_DTraceInterfaceAttributes; 694 695 /* 696 * Structure to pass one provider description to JVM 697 */ 698 typedef struct { 699 jstring name; 700 JVM_DTraceProbe* probes; 701 jint probe_count; 702 JVM_DTraceInterfaceAttributes providerAttributes; 703 JVM_DTraceInterfaceAttributes moduleAttributes; 704 JVM_DTraceInterfaceAttributes functionAttributes; 705 JVM_DTraceInterfaceAttributes nameAttributes; 706 JVM_DTraceInterfaceAttributes argsAttributes; 707 void* reserved[4]; // for future use 708 } JVM_DTraceProvider; 709 710 /* 711 * Get the version number the JVM was built with 712 */ 713 JNIEXPORT jint JNICALL 714 JVM_DTraceGetVersion(JNIEnv* env); 715 716 /* 717 * Register new probe with given signature, return global handle 718 * 719 * The version passed in is the version that the library code was 720 * built with. 721 */ 722 JNIEXPORT jlong JNICALL 723 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name, 724 jint providers_count, JVM_DTraceProvider* providers); 725 726 /* 727 * Check JSDT probe 728 */ 729 JNIEXPORT jboolean JNICALL 730 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method); 731 732 /* 733 * Destroy custom DOF 734 */ 735 JNIEXPORT void JNICALL 736 JVM_DTraceDispose(JNIEnv* env, jlong activation_handle); 737 738 /* 739 * Check to see if DTrace is supported by OS 740 */ 741 JNIEXPORT jboolean JNICALL 742 JVM_DTraceIsSupported(JNIEnv* env); 743 744 /************************************************************************* 745 PART 2: Support for the Verifier and Class File Format Checker 746 ************************************************************************/ 747 /* 748 * Return the class name in UTF format. The result is valid 749 * until JVM_ReleaseUTf is called. 750 * 751 * The caller must treat the string as a constant and not modify it 752 * in any way. 753 */ 754 JNIEXPORT const char * JNICALL 755 JVM_GetClassNameUTF(JNIEnv *env, jclass cb); 756 757 /* 758 * Returns the constant pool types in the buffer provided by "types." 759 */ 760 JNIEXPORT void JNICALL 761 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types); 762 763 /* 764 * Returns the number of Constant Pool entries. 765 */ 766 JNIEXPORT jint JNICALL 767 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb); 768 769 /* 770 * Returns the number of *declared* fields or methods. 771 */ 772 JNIEXPORT jint JNICALL 773 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb); 774 775 JNIEXPORT jint JNICALL 776 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb); 777 778 /* 779 * Returns the CP indexes of exceptions raised by a given method. 780 * Places the result in the given buffer. 781 * 782 * The method is identified by method_index. 783 */ 784 JNIEXPORT void JNICALL 785 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index, 786 unsigned short *exceptions); 787 /* 788 * Returns the number of exceptions raised by a given method. 789 * The method is identified by method_index. 790 */ 791 JNIEXPORT jint JNICALL 792 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index); 793 794 /* 795 * Returns the byte code sequence of a given method. 796 * Places the result in the given buffer. 797 * 798 * The method is identified by method_index. 799 */ 800 JNIEXPORT void JNICALL 801 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index, 802 unsigned char *code); 803 804 /* 805 * Returns the length of the byte code sequence of a given method. 806 * The method is identified by method_index. 807 */ 808 JNIEXPORT jint JNICALL 809 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index); 810 811 /* 812 * A structure used to a capture exception table entry in a Java method. 813 */ 814 typedef struct { 815 jint start_pc; 816 jint end_pc; 817 jint handler_pc; 818 jint catchType; 819 } JVM_ExceptionTableEntryType; 820 821 /* 822 * Returns the exception table entry at entry_index of a given method. 823 * Places the result in the given buffer. 824 * 825 * The method is identified by method_index. 826 */ 827 JNIEXPORT void JNICALL 828 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index, 829 jint entry_index, 830 JVM_ExceptionTableEntryType *entry); 831 832 /* 833 * Returns the length of the exception table of a given method. 834 * The method is identified by method_index. 835 */ 836 JNIEXPORT jint JNICALL 837 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index); 838 839 /* 840 * Returns the modifiers of a given field. 841 * The field is identified by field_index. 842 */ 843 JNIEXPORT jint JNICALL 844 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index); 845 846 /* 847 * Returns the modifiers of a given method. 848 * The method is identified by method_index. 849 */ 850 JNIEXPORT jint JNICALL 851 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index); 852 853 /* 854 * Returns the number of local variables of a given method. 855 * The method is identified by method_index. 856 */ 857 JNIEXPORT jint JNICALL 858 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index); 859 860 /* 861 * Returns the number of arguments (including this pointer) of a given method. 862 * The method is identified by method_index. 863 */ 864 JNIEXPORT jint JNICALL 865 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index); 866 867 /* 868 * Returns the maximum amount of stack (in words) used by a given method. 869 * The method is identified by method_index. 870 */ 871 JNIEXPORT jint JNICALL 872 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index); 873 874 /* 875 * Is a given method a constructor. 876 * The method is identified by method_index. 877 */ 878 JNIEXPORT jboolean JNICALL 879 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index); 880 881 /* 882 * Is the given method generated by the VM. 883 * The method is identified by method_index. 884 */ 885 JNIEXPORT jboolean JNICALL 886 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index); 887 888 /* 889 * Returns the name of a given method in UTF format. 890 * The result remains valid until JVM_ReleaseUTF is called. 891 * 892 * The caller must treat the string as a constant and not modify it 893 * in any way. 894 */ 895 JNIEXPORT const char * JNICALL 896 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index); 897 898 /* 899 * Returns the signature of a given method in UTF format. 900 * The result remains valid until JVM_ReleaseUTF is called. 901 * 902 * The caller must treat the string as a constant and not modify it 903 * in any way. 904 */ 905 JNIEXPORT const char * JNICALL 906 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index); 907 908 /* 909 * Returns the name of the field referred to at a given constant pool 910 * index. 911 * 912 * The result is in UTF format and remains valid until JVM_ReleaseUTF 913 * is called. 914 * 915 * The caller must treat the string as a constant and not modify it 916 * in any way. 917 */ 918 JNIEXPORT const char * JNICALL 919 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index); 920 921 /* 922 * Returns the name of the method referred to at a given constant pool 923 * index. 924 * 925 * The result is in UTF format and remains valid until JVM_ReleaseUTF 926 * is called. 927 * 928 * The caller must treat the string as a constant and not modify it 929 * in any way. 930 */ 931 JNIEXPORT const char * JNICALL 932 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index); 933 934 /* 935 * Returns the signature of the method referred to at a given constant pool 936 * index. 937 * 938 * The result is in UTF format and remains valid until JVM_ReleaseUTF 939 * is called. 940 * 941 * The caller must treat the string as a constant and not modify it 942 * in any way. 943 */ 944 JNIEXPORT const char * JNICALL 945 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index); 946 947 /* 948 * Returns the signature of the field referred to at a given constant pool 949 * index. 950 * 951 * The result is in UTF format and remains valid until JVM_ReleaseUTF 952 * is called. 953 * 954 * The caller must treat the string as a constant and not modify it 955 * in any way. 956 */ 957 JNIEXPORT const char * JNICALL 958 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index); 959 960 /* 961 * Returns the class name referred to at a given constant pool index. 962 * 963 * The result is in UTF format and remains valid until JVM_ReleaseUTF 964 * is called. 965 * 966 * The caller must treat the string as a constant and not modify it 967 * in any way. 968 */ 969 JNIEXPORT const char * JNICALL 970 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index); 971 972 /* 973 * Returns the class name referred to at a given constant pool index. 974 * 975 * The constant pool entry must refer to a CONSTANT_Fieldref. 976 * 977 * The result is in UTF format and remains valid until JVM_ReleaseUTF 978 * is called. 979 * 980 * The caller must treat the string as a constant and not modify it 981 * in any way. 982 */ 983 JNIEXPORT const char * JNICALL 984 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index); 985 986 /* 987 * Returns the class name referred to at a given constant pool index. 988 * 989 * The constant pool entry must refer to CONSTANT_Methodref or 990 * CONSTANT_InterfaceMethodref. 991 * 992 * The result is in UTF format and remains valid until JVM_ReleaseUTF 993 * is called. 994 * 995 * The caller must treat the string as a constant and not modify it 996 * in any way. 997 */ 998 JNIEXPORT const char * JNICALL 999 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index); 1000 1001 /* 1002 * Returns the modifiers of a field in calledClass. The field is 1003 * referred to in class cb at constant pool entry index. 1004 * 1005 * The caller must treat the string as a constant and not modify it 1006 * in any way. 1007 * 1008 * Returns -1 if the field does not exist in calledClass. 1009 */ 1010 JNIEXPORT jint JNICALL 1011 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 1012 1013 /* 1014 * Returns the modifiers of a method in calledClass. The method is 1015 * referred to in class cb at constant pool entry index. 1016 * 1017 * Returns -1 if the method does not exist in calledClass. 1018 */ 1019 JNIEXPORT jint JNICALL 1020 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 1021 1022 /* 1023 * Releases the UTF string obtained from the VM. 1024 */ 1025 JNIEXPORT void JNICALL 1026 JVM_ReleaseUTF(const char *utf); 1027 1028 /* 1029 * Compare if two classes are in the same package. 1030 */ 1031 JNIEXPORT jboolean JNICALL 1032 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2); 1033 1034 /* Get classfile constants */ 1035 #include "classfile_constants.h" 1036 1037 /* 1038 * A function defined by the byte-code verifier and called by the VM. 1039 * This is not a function implemented in the VM. 1040 * 1041 * Returns JNI_FALSE if verification fails. A detailed error message 1042 * will be places in msg_buf, whose length is specified by buf_len. 1043 */ 1044 typedef jboolean (*verifier_fn_t)(JNIEnv *env, 1045 jclass cb, 1046 char * msg_buf, 1047 jint buf_len); 1048 1049 1050 /* 1051 * Support for a VM-independent class format checker. 1052 */ 1053 typedef struct { 1054 unsigned long code; /* byte code */ 1055 unsigned long excs; /* exceptions */ 1056 unsigned long etab; /* catch table */ 1057 unsigned long lnum; /* line number */ 1058 unsigned long lvar; /* local vars */ 1059 } method_size_info; 1060 1061 typedef struct { 1062 unsigned int constants; /* constant pool */ 1063 unsigned int fields; 1064 unsigned int methods; 1065 unsigned int interfaces; 1066 unsigned int fields2; /* number of static 2-word fields */ 1067 unsigned int innerclasses; /* # of records in InnerClasses attr */ 1068 1069 method_size_info clinit; /* memory used in clinit */ 1070 method_size_info main; /* used everywhere else */ 1071 } class_size_info; 1072 1073 /* 1074 * Functions defined in libjava.so to perform string conversions. 1075 * 1076 */ 1077 1078 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str); 1079 1080 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b); 1081 1082 /* This is the function defined in libjava.so that performs class 1083 * format checks. This functions fills in size information about 1084 * the class file and returns: 1085 * 1086 * 0: good 1087 * -1: out of memory 1088 * -2: bad format 1089 * -3: unsupported version 1090 * -4: bad class name 1091 */ 1092 1093 typedef jint (*check_format_fn_t)(char *class_name, 1094 unsigned char *data, 1095 unsigned int data_size, 1096 class_size_info *class_size, 1097 char *message_buffer, 1098 jint buffer_length, 1099 jboolean measure_only, 1100 jboolean check_relaxed); 1101 1102 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \ 1103 JVM_ACC_FINAL | \ 1104 JVM_ACC_SUPER | \ 1105 JVM_ACC_INTERFACE | \ 1106 JVM_ACC_ABSTRACT | \ 1107 JVM_ACC_ANNOTATION | \ 1108 JVM_ACC_ENUM | \ 1109 JVM_ACC_SYNTHETIC) 1110 1111 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \ 1112 JVM_ACC_PRIVATE | \ 1113 JVM_ACC_PROTECTED | \ 1114 JVM_ACC_STATIC | \ 1115 JVM_ACC_FINAL | \ 1116 JVM_ACC_VOLATILE | \ 1117 JVM_ACC_TRANSIENT | \ 1118 JVM_ACC_ENUM | \ 1119 JVM_ACC_SYNTHETIC) 1120 1121 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \ 1122 JVM_ACC_PRIVATE | \ 1123 JVM_ACC_PROTECTED | \ 1124 JVM_ACC_STATIC | \ 1125 JVM_ACC_FINAL | \ 1126 JVM_ACC_SYNCHRONIZED | \ 1127 JVM_ACC_BRIDGE | \ 1128 JVM_ACC_VARARGS | \ 1129 JVM_ACC_NATIVE | \ 1130 JVM_ACC_ABSTRACT | \ 1131 JVM_ACC_STRICT | \ 1132 JVM_ACC_SYNTHETIC) 1133 1134 /* 1135 * This is the function defined in libjava.so to perform path 1136 * canonicalization. VM call this function before opening jar files 1137 * to load system classes. 1138 * 1139 */ 1140 1141 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len); 1142 1143 /************************************************************************* 1144 PART 3: I/O and Network Support 1145 ************************************************************************/ 1146 1147 /* 1148 * Convert a pathname into native format. This function does syntactic 1149 * cleanup, such as removing redundant separator characters. It modifies 1150 * the given pathname string in place. 1151 */ 1152 JNIEXPORT char * JNICALL 1153 JVM_NativePath(char *); 1154 1155 /* 1156 * The standard printing functions supported by the Java VM. (Should they 1157 * be renamed to JVM_* in the future? 1158 */ 1159 1160 /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3), 1161 * respectively, with the following differences: 1162 * - The string written to str is always zero-terminated, also in case of 1163 * truncation (count is too small to hold the result string), unless count 1164 * is 0. In case of truncation count-1 characters are written and '\0' 1165 * appendend. 1166 * - If count is too small to hold the whole string, -1 is returned across 1167 * all platforms. */ 1168 1169 JNIEXPORT int 1170 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args); 1171 1172 JNIEXPORT int 1173 jio_snprintf(char *str, size_t count, const char *fmt, ...); 1174 1175 JNIEXPORT int 1176 jio_fprintf(FILE *, const char *fmt, ...); 1177 1178 JNIEXPORT int 1179 jio_vfprintf(FILE *, const char *fmt, va_list args); 1180 1181 1182 JNIEXPORT void * JNICALL 1183 JVM_RawMonitorCreate(void); 1184 1185 JNIEXPORT void JNICALL 1186 JVM_RawMonitorDestroy(void *mon); 1187 1188 JNIEXPORT jint JNICALL 1189 JVM_RawMonitorEnter(void *mon); 1190 1191 JNIEXPORT void JNICALL 1192 JVM_RawMonitorExit(void *mon); 1193 1194 /* 1195 * java.lang.management support 1196 */ 1197 JNIEXPORT void* JNICALL 1198 JVM_GetManagement(jint version); 1199 1200 /* 1201 * com.sun.tools.attach.VirtualMachine support 1202 * 1203 * Initialize the agent properties with the properties maintained in the VM. 1204 */ 1205 JNIEXPORT jobject JNICALL 1206 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props); 1207 1208 JNIEXPORT jstring JNICALL 1209 JVM_GetTemporaryDirectory(JNIEnv *env); 1210 1211 /* Generics reflection support. 1212 * 1213 * Returns information about the given class's EnclosingMethod 1214 * attribute, if present, or null if the class had no enclosing 1215 * method. 1216 * 1217 * If non-null, the returned array contains three elements. Element 0 1218 * is the java.lang.Class of which the enclosing method is a member, 1219 * and elements 1 and 2 are the java.lang.Strings for the enclosing 1220 * method's name and descriptor, respectively. 1221 */ 1222 JNIEXPORT jobjectArray JNICALL 1223 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass); 1224 1225 /* ========================================================================= 1226 * The following defines a private JVM interface that the JDK can query 1227 * for the JVM version and capabilities. sun.misc.Version defines 1228 * the methods for getting the VM version and its capabilities. 1229 * 1230 * When a new bit is added, the following should be updated to provide 1231 * access to the new capability: 1232 * HS: JVM_GetVersionInfo and Abstract_VM_Version class 1233 * SDK: Version class 1234 * 1235 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for 1236 * JVM to query for the JDK version and capabilities. 1237 * 1238 * When a new bit is added, the following should be updated to provide 1239 * access to the new capability: 1240 * HS: JDK_Version class 1241 * SDK: JDK_GetVersionInfo0 1242 * 1243 * ========================================================================== 1244 */ 1245 typedef struct { 1246 unsigned int jvm_version; /* Encoded $VNUM as specified by JEP-223 */ 1247 unsigned int patch_version : 8; /* JEP-223 patch version */ 1248 unsigned int reserved3 : 8; 1249 unsigned int reserved1 : 16; 1250 unsigned int reserved2; 1251 1252 /* The following bits represents JVM supports that JDK has dependency on. 1253 * JDK can use these bits to determine which JVM version 1254 * and support it has to maintain runtime compatibility. 1255 * 1256 * When a new bit is added in a minor or update release, make sure 1257 * the new bit is also added in the main/baseline. 1258 */ 1259 unsigned int is_attach_supported : 1; 1260 unsigned int : 31; 1261 unsigned int : 32; 1262 unsigned int : 32; 1263 } jvm_version_info; 1264 1265 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1266 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1267 #define JVM_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) 1268 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF)) 1269 1270 JNIEXPORT void JNICALL 1271 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size); 1272 1273 typedef struct { 1274 unsigned int jdk_version; /* Encoded $VNUM as specified by JEP-223 */ 1275 unsigned int patch_version : 8; /* JEP-223 patch version */ 1276 unsigned int reserved3 : 8; 1277 unsigned int reserved1 : 16; 1278 unsigned int reserved2; 1279 1280 /* The following bits represents new JDK supports that VM has dependency on. 1281 * VM implementation can use these bits to determine which JDK version 1282 * and support it has to maintain runtime compatibility. 1283 * 1284 * When a new bit is added in a minor or update release, make sure 1285 * the new bit is also added in the main/baseline. 1286 */ 1287 unsigned int thread_park_blocker : 1; 1288 unsigned int post_vm_init_hook_enabled : 1; 1289 unsigned int pending_list_uses_discovered_field : 1; 1290 unsigned int : 29; 1291 unsigned int : 32; 1292 unsigned int : 32; 1293 } jdk_version_info; 1294 1295 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1296 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1297 #define JDK_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) 1298 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF)) 1299 1300 /* 1301 * This is the function JDK_GetVersionInfo0 defined in libjava.so 1302 * that is dynamically looked up by JVM. 1303 */ 1304 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size); 1305 1306 /* 1307 * This structure is used by the launcher to get the default thread 1308 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a 1309 * version of 1.1. As it is not supported otherwise, it has been removed 1310 * from jni.h 1311 */ 1312 typedef struct JDK1_1InitArgs { 1313 jint version; 1314 1315 char **properties; 1316 jint checkSource; 1317 jint nativeStackSize; 1318 jint javaStackSize; 1319 jint minHeapSize; 1320 jint maxHeapSize; 1321 jint verifyMode; 1322 char *classpath; 1323 1324 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args); 1325 void (JNICALL *exit)(jint code); 1326 void (JNICALL *abort)(void); 1327 1328 jint enableClassGC; 1329 jint enableVerboseGC; 1330 jint disableAsyncGC; 1331 jint verbose; 1332 jboolean debugging; 1333 jint debugPort; 1334 } JDK1_1InitArgs; 1335 1336 1337 #ifdef __cplusplus 1338 } /* extern "C" */ 1339 1340 #endif /* __cplusplus */ 1341 1342 #endif /* !_JAVASOFT_JVM_H_ */ 1343