1 /* 2 * Copyright (c) 1997, 2018, 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_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 void * JNICALL 160 JVM_LoadLibrary(const char *name); 161 162 JNIEXPORT void JNICALL 163 JVM_UnloadLibrary(void * handle); 164 165 JNIEXPORT void * JNICALL 166 JVM_FindLibraryEntry(void *handle, const char *name); 167 168 JNIEXPORT jboolean JNICALL 169 JVM_IsSupportedJNIVersion(jint version); 170 171 JNIEXPORT jobjectArray JNICALL 172 JVM_GetVmArguments(JNIEnv *env); 173 174 175 /* 176 * java.lang.Throwable 177 */ 178 JNIEXPORT void JNICALL 179 JVM_FillInStackTrace(JNIEnv *env, jobject throwable); 180 181 /* 182 * java.lang.StackTraceElement 183 */ 184 JNIEXPORT void JNICALL 185 JVM_InitStackTraceElementArray(JNIEnv *env, jobjectArray elements, jobject throwable); 186 187 JNIEXPORT void JNICALL 188 JVM_InitStackTraceElement(JNIEnv* env, jobject element, jobject stackFrameInfo); 189 190 /* 191 * java.lang.StackWalker 192 */ 193 enum { 194 JVM_STACKWALK_FILL_CLASS_REFS_ONLY = 0x2, 195 JVM_STACKWALK_GET_CALLER_CLASS = 0x04, 196 JVM_STACKWALK_SHOW_HIDDEN_FRAMES = 0x20, 197 JVM_STACKWALK_FILL_LIVE_STACK_FRAMES = 0x100 198 }; 199 200 JNIEXPORT jobject JNICALL 201 JVM_CallStackWalk(JNIEnv *env, jobject stackStream, jlong mode, 202 jint skip_frames, jint frame_count, jint start_index, 203 jobjectArray frames); 204 205 JNIEXPORT jint JNICALL 206 JVM_MoreStackWalk(JNIEnv *env, jobject stackStream, jlong mode, jlong anchor, 207 jint frame_count, jint start_index, 208 jobjectArray frames); 209 210 /* 211 * java.lang.Thread 212 */ 213 JNIEXPORT void JNICALL 214 JVM_StartThread(JNIEnv *env, jobject thread); 215 216 JNIEXPORT void JNICALL 217 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception); 218 219 JNIEXPORT jboolean JNICALL 220 JVM_IsThreadAlive(JNIEnv *env, jobject thread); 221 222 JNIEXPORT void JNICALL 223 JVM_SuspendThread(JNIEnv *env, jobject thread); 224 225 JNIEXPORT void JNICALL 226 JVM_ResumeThread(JNIEnv *env, jobject thread); 227 228 JNIEXPORT void JNICALL 229 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio); 230 231 JNIEXPORT void JNICALL 232 JVM_Yield(JNIEnv *env, jclass threadClass); 233 234 JNIEXPORT void JNICALL 235 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis); 236 237 JNIEXPORT jobject JNICALL 238 JVM_CurrentThread(JNIEnv *env, jclass threadClass); 239 240 JNIEXPORT jint JNICALL 241 JVM_CountStackFrames(JNIEnv *env, jobject thread); 242 243 JNIEXPORT void JNICALL 244 JVM_Interrupt(JNIEnv *env, jobject thread); 245 246 JNIEXPORT jboolean JNICALL 247 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted); 248 249 JNIEXPORT jboolean JNICALL 250 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj); 251 252 JNIEXPORT void JNICALL 253 JVM_DumpAllStacks(JNIEnv *env, jclass unused); 254 255 JNIEXPORT jobjectArray JNICALL 256 JVM_GetAllThreads(JNIEnv *env, jclass dummy); 257 258 JNIEXPORT void JNICALL 259 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name); 260 261 /* getStackTrace() and getAllStackTraces() method */ 262 JNIEXPORT jobjectArray JNICALL 263 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads); 264 265 /* 266 * java.lang.SecurityManager 267 */ 268 JNIEXPORT jobjectArray JNICALL 269 JVM_GetClassContext(JNIEnv *env); 270 271 /* 272 * java.lang.Package 273 */ 274 JNIEXPORT jstring JNICALL 275 JVM_GetSystemPackage(JNIEnv *env, jstring name); 276 277 JNIEXPORT jobjectArray JNICALL 278 JVM_GetSystemPackages(JNIEnv *env); 279 280 /* 281 * java.lang.ref.Reference 282 */ 283 JNIEXPORT jobject JNICALL 284 JVM_GetAndClearReferencePendingList(JNIEnv *env); 285 286 JNIEXPORT jboolean JNICALL 287 JVM_HasReferencePendingList(JNIEnv *env); 288 289 JNIEXPORT void JNICALL 290 JVM_WaitForReferencePendingList(JNIEnv *env); 291 292 /* 293 * java.io.ObjectInputStream 294 */ 295 JNIEXPORT jobject JNICALL 296 JVM_LatestUserDefinedLoader(JNIEnv *env); 297 298 /* 299 * java.lang.reflect.Array 300 */ 301 JNIEXPORT jint JNICALL 302 JVM_GetArrayLength(JNIEnv *env, jobject arr); 303 304 JNIEXPORT jobject JNICALL 305 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index); 306 307 JNIEXPORT jvalue JNICALL 308 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode); 309 310 JNIEXPORT void JNICALL 311 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val); 312 313 JNIEXPORT void JNICALL 314 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v, 315 unsigned char vCode); 316 317 JNIEXPORT jobject JNICALL 318 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length); 319 320 JNIEXPORT jobject JNICALL 321 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim); 322 323 324 /* 325 * Returns the immediate caller class of the native method invoking 326 * JVM_GetCallerClass. The Method.invoke and other frames due to 327 * reflection machinery are skipped. 328 * 329 * The caller is expected to be marked with 330 * jdk.internal.reflect.CallerSensitive. The JVM will throw an 331 * error if it is not marked properly. 332 */ 333 JNIEXPORT jclass JNICALL 334 JVM_GetCallerClass(JNIEnv *env); 335 336 337 /* 338 * Find primitive classes 339 * utf: class name 340 */ 341 JNIEXPORT jclass JNICALL 342 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf); 343 344 345 /* 346 * Find a class from a boot class loader. Returns NULL if class not found. 347 */ 348 JNIEXPORT jclass JNICALL 349 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name); 350 351 /* 352 * Find a class from a given class loader. Throws ClassNotFoundException. 353 * name: name of class 354 * init: whether initialization is done 355 * loader: class loader to look up the class. This may not be the same as the caller's 356 * class loader. 357 * caller: initiating class. The initiating class may be null when a security 358 * manager is not installed. 359 */ 360 JNIEXPORT jclass JNICALL 361 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init, 362 jobject loader, jclass caller); 363 364 /* 365 * Find a class from a given class. 366 */ 367 JNIEXPORT jclass JNICALL 368 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init, 369 jclass from); 370 371 /* Find a loaded class cached by the VM */ 372 JNIEXPORT jclass JNICALL 373 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name); 374 375 /* Define a class */ 376 JNIEXPORT jclass JNICALL 377 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, 378 jsize len, jobject pd); 379 380 /* Define a class with a source (added in JDK1.5) */ 381 JNIEXPORT jclass JNICALL 382 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, 383 const jbyte *buf, jsize len, jobject pd, 384 const char *source); 385 386 /* 387 * Module support funcions 388 */ 389 390 /* 391 * Define a module with the specified packages and bind the module to the 392 * given class loader. 393 * module: module to define 394 * is_open: specifies if module is open (currently ignored) 395 * version: the module version 396 * location: the module location 397 * packages: list of packages in the module 398 * num_packages: number of packages in the module 399 */ 400 JNIEXPORT void JNICALL 401 JVM_DefineModule(JNIEnv *env, jobject module, jboolean is_open, jstring version, 402 jstring location, const char* const* packages, jsize num_packages); 403 404 /* 405 * Set the boot loader's unnamed module. 406 * module: boot loader's unnamed module 407 */ 408 JNIEXPORT void JNICALL 409 JVM_SetBootLoaderUnnamedModule(JNIEnv *env, jobject module); 410 411 /* 412 * Do a qualified export of a package. 413 * from_module: module containing the package to export 414 * package: name of the package to export 415 * to_module: module to export the package to 416 */ 417 JNIEXPORT void JNICALL 418 JVM_AddModuleExports(JNIEnv *env, jobject from_module, const char* package, jobject to_module); 419 420 /* 421 * Do an export of a package to all unnamed modules. 422 * from_module: module containing the package to export 423 * package: name of the package to export to all unnamed modules 424 */ 425 JNIEXPORT void JNICALL 426 JVM_AddModuleExportsToAllUnnamed(JNIEnv *env, jobject from_module, const char* package); 427 428 /* 429 * Do an unqualified export of a package. 430 * from_module: module containing the package to export 431 * package: name of the package to export 432 */ 433 JNIEXPORT void JNICALL 434 JVM_AddModuleExportsToAll(JNIEnv *env, jobject from_module, const char* package); 435 436 /* 437 * Add a module to the list of modules that a given module can read. 438 * from_module: module requesting read access 439 * source_module: module that from_module wants to read 440 */ 441 JNIEXPORT void JNICALL 442 JVM_AddReadsModule(JNIEnv *env, jobject from_module, jobject source_module); 443 444 /* 445 * Reflection support functions 446 */ 447 448 JNIEXPORT jstring JNICALL 449 JVM_GetClassName(JNIEnv *env, jclass cls); 450 451 JNIEXPORT jobjectArray JNICALL 452 JVM_GetClassInterfaces(JNIEnv *env, jclass cls); 453 454 JNIEXPORT jboolean JNICALL 455 JVM_IsInterface(JNIEnv *env, jclass cls); 456 457 JNIEXPORT jobjectArray JNICALL 458 JVM_GetClassSigners(JNIEnv *env, jclass cls); 459 460 JNIEXPORT void JNICALL 461 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers); 462 463 JNIEXPORT jobject JNICALL 464 JVM_GetProtectionDomain(JNIEnv *env, jclass cls); 465 466 JNIEXPORT jboolean JNICALL 467 JVM_IsArrayClass(JNIEnv *env, jclass cls); 468 469 JNIEXPORT jboolean JNICALL 470 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls); 471 472 JNIEXPORT jint JNICALL 473 JVM_GetClassModifiers(JNIEnv *env, jclass cls); 474 475 JNIEXPORT jobjectArray JNICALL 476 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass); 477 478 JNIEXPORT jclass JNICALL 479 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass); 480 481 JNIEXPORT jstring JNICALL 482 JVM_GetSimpleBinaryName(JNIEnv *env, jclass ofClass); 483 484 /* Generics support (JDK 1.5) */ 485 JNIEXPORT jstring JNICALL 486 JVM_GetClassSignature(JNIEnv *env, jclass cls); 487 488 /* Annotations support (JDK 1.5) */ 489 JNIEXPORT jbyteArray JNICALL 490 JVM_GetClassAnnotations(JNIEnv *env, jclass cls); 491 492 /* Type use annotations support (JDK 1.8) */ 493 494 JNIEXPORT jbyteArray JNICALL 495 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls); 496 497 JNIEXPORT jbyteArray JNICALL 498 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field); 499 500 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 /* Nestmates - since JDK 11 */ 526 527 JNIEXPORT jboolean JNICALL 528 JVM_AreNestMates(JNIEnv *env, jclass current, jclass member); 529 530 JNIEXPORT jclass JNICALL 531 JVM_GetNestHost(JNIEnv *env, jclass current); 532 533 JNIEXPORT jobjectArray JNICALL 534 JVM_GetNestMembers(JNIEnv *env, jclass current); 535 536 /* The following two reflection routines are still needed due to startup time issues */ 537 /* 538 * java.lang.reflect.Method 539 */ 540 JNIEXPORT jobject JNICALL 541 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0); 542 543 /* 544 * java.lang.reflect.Constructor 545 */ 546 JNIEXPORT jobject JNICALL 547 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0); 548 549 /* 550 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5) 551 */ 552 553 JNIEXPORT jobject JNICALL 554 JVM_GetClassConstantPool(JNIEnv *env, jclass cls); 555 556 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize 557 (JNIEnv *env, jobject unused, jobject jcpool); 558 559 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt 560 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 561 562 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded 563 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 564 565 JNIEXPORT jint JNICALL JVM_ConstantPoolGetClassRefIndexAt 566 (JNIEnv *env, jobject obj, jobject unused, jint index); 567 568 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt 569 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 570 571 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded 572 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 573 574 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt 575 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 576 577 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded 578 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 579 580 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt 581 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 582 583 JNIEXPORT jint JNICALL JVM_ConstantPoolGetNameAndTypeRefIndexAt 584 (JNIEnv *env, jobject obj, jobject unused, jint index); 585 586 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetNameAndTypeRefInfoAt 587 (JNIEnv *env, jobject obj, jobject unused, jint index); 588 589 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt 590 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 591 592 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt 593 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 594 595 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt 596 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 597 598 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt 599 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 600 601 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt 602 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 603 604 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At 605 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 606 607 JNIEXPORT jbyte JNICALL JVM_ConstantPoolGetTagAt 608 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 609 610 /* 611 * Parameter reflection 612 */ 613 614 JNIEXPORT jobjectArray JNICALL 615 JVM_GetMethodParameters(JNIEnv *env, jobject method); 616 617 /* 618 * java.security.* 619 */ 620 621 JNIEXPORT jobject JNICALL 622 JVM_DoPrivileged(JNIEnv *env, jclass cls, 623 jobject action, jobject context, jboolean wrapException); 624 625 JNIEXPORT jobject JNICALL 626 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls); 627 628 JNIEXPORT jobject JNICALL 629 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls); 630 631 /* 632 * Signal support, used to implement the shutdown sequence. Every VM must 633 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts 634 * (^C) and the latter for external termination (kill, system shutdown, etc.). 635 * Other platform-dependent signal values may also be supported. 636 */ 637 638 JNIEXPORT void * JNICALL 639 JVM_RegisterSignal(jint sig, void *handler); 640 641 JNIEXPORT jboolean JNICALL 642 JVM_RaiseSignal(jint sig); 643 644 JNIEXPORT jint JNICALL 645 JVM_FindSignal(const char *name); 646 647 /* 648 * Retrieve the assertion directives for the specified class. 649 */ 650 JNIEXPORT jboolean JNICALL 651 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls); 652 653 /* 654 * Retrieve the assertion directives from the VM. 655 */ 656 JNIEXPORT jobject JNICALL 657 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused); 658 659 /* 660 * java.util.concurrent.atomic.AtomicLong 661 */ 662 JNIEXPORT jboolean JNICALL 663 JVM_SupportsCX8(void); 664 665 /* 666 * com.sun.dtrace.jsdt support 667 */ 668 669 #define JVM_TRACING_DTRACE_VERSION 1 670 671 /* 672 * Structure to pass one probe description to JVM 673 */ 674 typedef struct { 675 jmethodID method; 676 jstring function; 677 jstring name; 678 void* reserved[4]; // for future use 679 } JVM_DTraceProbe; 680 681 /** 682 * Encapsulates the stability ratings for a DTrace provider field 683 */ 684 typedef struct { 685 jint nameStability; 686 jint dataStability; 687 jint dependencyClass; 688 } JVM_DTraceInterfaceAttributes; 689 690 /* 691 * Structure to pass one provider description to JVM 692 */ 693 typedef struct { 694 jstring name; 695 JVM_DTraceProbe* probes; 696 jint probe_count; 697 JVM_DTraceInterfaceAttributes providerAttributes; 698 JVM_DTraceInterfaceAttributes moduleAttributes; 699 JVM_DTraceInterfaceAttributes functionAttributes; 700 JVM_DTraceInterfaceAttributes nameAttributes; 701 JVM_DTraceInterfaceAttributes argsAttributes; 702 void* reserved[4]; // for future use 703 } JVM_DTraceProvider; 704 705 /* 706 * Get the version number the JVM was built with 707 */ 708 JNIEXPORT jint JNICALL 709 JVM_DTraceGetVersion(JNIEnv* env); 710 711 /* 712 * Register new probe with given signature, return global handle 713 * 714 * The version passed in is the version that the library code was 715 * built with. 716 */ 717 JNIEXPORT jlong JNICALL 718 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name, 719 jint providers_count, JVM_DTraceProvider* providers); 720 721 /* 722 * Check JSDT probe 723 */ 724 JNIEXPORT jboolean JNICALL 725 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method); 726 727 /* 728 * Destroy custom DOF 729 */ 730 JNIEXPORT void JNICALL 731 JVM_DTraceDispose(JNIEnv* env, jlong activation_handle); 732 733 /* 734 * Check to see if DTrace is supported by OS 735 */ 736 JNIEXPORT jboolean JNICALL 737 JVM_DTraceIsSupported(JNIEnv* env); 738 739 /************************************************************************* 740 PART 2: Support for the Verifier and Class File Format Checker 741 ************************************************************************/ 742 /* 743 * Return the class name in UTF format. The result is valid 744 * until JVM_ReleaseUTf is called. 745 * 746 * The caller must treat the string as a constant and not modify it 747 * in any way. 748 */ 749 JNIEXPORT const char * JNICALL 750 JVM_GetClassNameUTF(JNIEnv *env, jclass cb); 751 752 /* 753 * Returns the constant pool types in the buffer provided by "types." 754 */ 755 JNIEXPORT void JNICALL 756 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types); 757 758 /* 759 * Returns the number of Constant Pool entries. 760 */ 761 JNIEXPORT jint JNICALL 762 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb); 763 764 /* 765 * Returns the number of *declared* fields or methods. 766 */ 767 JNIEXPORT jint JNICALL 768 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb); 769 770 JNIEXPORT jint JNICALL 771 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb); 772 773 /* 774 * Returns the CP indexes of exceptions raised by a given method. 775 * Places the result in the given buffer. 776 * 777 * The method is identified by method_index. 778 */ 779 JNIEXPORT void JNICALL 780 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index, 781 unsigned short *exceptions); 782 /* 783 * Returns the number of exceptions raised by a given method. 784 * The method is identified by method_index. 785 */ 786 JNIEXPORT jint JNICALL 787 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index); 788 789 /* 790 * Returns the byte code sequence of a given method. 791 * Places the result in the given buffer. 792 * 793 * The method is identified by method_index. 794 */ 795 JNIEXPORT void JNICALL 796 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index, 797 unsigned char *code); 798 799 /* 800 * Returns the length of the byte code sequence of a given method. 801 * The method is identified by method_index. 802 */ 803 JNIEXPORT jint JNICALL 804 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index); 805 806 /* 807 * A structure used to a capture exception table entry in a Java method. 808 */ 809 typedef struct { 810 jint start_pc; 811 jint end_pc; 812 jint handler_pc; 813 jint catchType; 814 } JVM_ExceptionTableEntryType; 815 816 /* 817 * Returns the exception table entry at entry_index of a given method. 818 * Places the result in the given buffer. 819 * 820 * The method is identified by method_index. 821 */ 822 JNIEXPORT void JNICALL 823 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index, 824 jint entry_index, 825 JVM_ExceptionTableEntryType *entry); 826 827 /* 828 * Returns the length of the exception table of a given method. 829 * The method is identified by method_index. 830 */ 831 JNIEXPORT jint JNICALL 832 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index); 833 834 /* 835 * Returns the modifiers of a given field. 836 * The field is identified by field_index. 837 */ 838 JNIEXPORT jint JNICALL 839 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index); 840 841 /* 842 * Returns the modifiers of a given method. 843 * The method is identified by method_index. 844 */ 845 JNIEXPORT jint JNICALL 846 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index); 847 848 /* 849 * Returns the number of local variables of a given method. 850 * The method is identified by method_index. 851 */ 852 JNIEXPORT jint JNICALL 853 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index); 854 855 /* 856 * Returns the number of arguments (including this pointer) of a given method. 857 * The method is identified by method_index. 858 */ 859 JNIEXPORT jint JNICALL 860 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index); 861 862 /* 863 * Returns the maximum amount of stack (in words) used by a given method. 864 * The method is identified by method_index. 865 */ 866 JNIEXPORT jint JNICALL 867 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index); 868 869 /* 870 * Is a given method a constructor. 871 * The method is identified by method_index. 872 */ 873 JNIEXPORT jboolean JNICALL 874 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index); 875 876 /* 877 * Is the given method generated by the VM. 878 * The method is identified by method_index. 879 */ 880 JNIEXPORT jboolean JNICALL 881 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index); 882 883 /* 884 * Returns the name of a given method in UTF format. 885 * The result remains valid until JVM_ReleaseUTF is called. 886 * 887 * The caller must treat the string as a constant and not modify it 888 * in any way. 889 */ 890 JNIEXPORT const char * JNICALL 891 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index); 892 893 /* 894 * Returns the signature of a given method in UTF format. 895 * The result remains valid until JVM_ReleaseUTF is called. 896 * 897 * The caller must treat the string as a constant and not modify it 898 * in any way. 899 */ 900 JNIEXPORT const char * JNICALL 901 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index); 902 903 /* 904 * Returns the name of the field referred to at a given constant pool 905 * index. 906 * 907 * The result is in UTF format and remains valid until JVM_ReleaseUTF 908 * is called. 909 * 910 * The caller must treat the string as a constant and not modify it 911 * in any way. 912 */ 913 JNIEXPORT const char * JNICALL 914 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index); 915 916 /* 917 * Returns the name of the method referred to at a given constant pool 918 * index. 919 * 920 * The result is in UTF format and remains valid until JVM_ReleaseUTF 921 * is called. 922 * 923 * The caller must treat the string as a constant and not modify it 924 * in any way. 925 */ 926 JNIEXPORT const char * JNICALL 927 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index); 928 929 /* 930 * Returns the signature of the method referred to at a given constant pool 931 * index. 932 * 933 * The result is in UTF format and remains valid until JVM_ReleaseUTF 934 * is called. 935 * 936 * The caller must treat the string as a constant and not modify it 937 * in any way. 938 */ 939 JNIEXPORT const char * JNICALL 940 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index); 941 942 /* 943 * Returns the signature of the field referred to at a given constant pool 944 * index. 945 * 946 * The result is in UTF format and remains valid until JVM_ReleaseUTF 947 * is called. 948 * 949 * The caller must treat the string as a constant and not modify it 950 * in any way. 951 */ 952 JNIEXPORT const char * JNICALL 953 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index); 954 955 /* 956 * Returns the class name referred to at a given constant pool index. 957 * 958 * The result is in UTF format and remains valid until JVM_ReleaseUTF 959 * is called. 960 * 961 * The caller must treat the string as a constant and not modify it 962 * in any way. 963 */ 964 JNIEXPORT const char * JNICALL 965 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index); 966 967 /* 968 * Returns the class name referred to at a given constant pool index. 969 * 970 * The constant pool entry must refer to a CONSTANT_Fieldref. 971 * 972 * The result is in UTF format and remains valid until JVM_ReleaseUTF 973 * is called. 974 * 975 * The caller must treat the string as a constant and not modify it 976 * in any way. 977 */ 978 JNIEXPORT const char * JNICALL 979 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index); 980 981 /* 982 * Returns the class name referred to at a given constant pool index. 983 * 984 * The constant pool entry must refer to CONSTANT_Methodref or 985 * CONSTANT_InterfaceMethodref. 986 * 987 * The result is in UTF format and remains valid until JVM_ReleaseUTF 988 * is called. 989 * 990 * The caller must treat the string as a constant and not modify it 991 * in any way. 992 */ 993 JNIEXPORT const char * JNICALL 994 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index); 995 996 /* 997 * Returns the modifiers of a field in calledClass. The field is 998 * referred to in class cb at constant pool entry index. 999 * 1000 * The caller must treat the string as a constant and not modify it 1001 * in any way. 1002 * 1003 * Returns -1 if the field does not exist in calledClass. 1004 */ 1005 JNIEXPORT jint JNICALL 1006 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 1007 1008 /* 1009 * Returns the modifiers of a method in calledClass. The method is 1010 * referred to in class cb at constant pool entry index. 1011 * 1012 * Returns -1 if the method does not exist in calledClass. 1013 */ 1014 JNIEXPORT jint JNICALL 1015 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 1016 1017 /* 1018 * Releases the UTF string obtained from the VM. 1019 */ 1020 JNIEXPORT void JNICALL 1021 JVM_ReleaseUTF(const char *utf); 1022 1023 /* 1024 * Compare if two classes are in the same package. 1025 */ 1026 JNIEXPORT jboolean JNICALL 1027 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2); 1028 1029 /* Get classfile constants */ 1030 #include "classfile_constants.h" 1031 1032 /* 1033 * A function defined by the byte-code verifier and called by the VM. 1034 * This is not a function implemented in the VM. 1035 * 1036 * Returns JNI_FALSE if verification fails. A detailed error message 1037 * will be places in msg_buf, whose length is specified by buf_len. 1038 */ 1039 typedef jboolean (*verifier_fn_t)(JNIEnv *env, 1040 jclass cb, 1041 char * msg_buf, 1042 jint buf_len); 1043 1044 1045 /* 1046 * Support for a VM-independent class format checker. 1047 */ 1048 typedef struct { 1049 unsigned long code; /* byte code */ 1050 unsigned long excs; /* exceptions */ 1051 unsigned long etab; /* catch table */ 1052 unsigned long lnum; /* line number */ 1053 unsigned long lvar; /* local vars */ 1054 } method_size_info; 1055 1056 typedef struct { 1057 unsigned int constants; /* constant pool */ 1058 unsigned int fields; 1059 unsigned int methods; 1060 unsigned int interfaces; 1061 unsigned int fields2; /* number of static 2-word fields */ 1062 unsigned int innerclasses; /* # of records in InnerClasses attr */ 1063 1064 method_size_info clinit; /* memory used in clinit */ 1065 method_size_info main; /* used everywhere else */ 1066 } class_size_info; 1067 1068 /* 1069 * Functions defined in libjava.so to perform string conversions. 1070 * 1071 */ 1072 1073 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str); 1074 1075 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b); 1076 1077 /* This is the function defined in libjava.so that performs class 1078 * format checks. This functions fills in size information about 1079 * the class file and returns: 1080 * 1081 * 0: good 1082 * -1: out of memory 1083 * -2: bad format 1084 * -3: unsupported version 1085 * -4: bad class name 1086 */ 1087 1088 typedef jint (*check_format_fn_t)(char *class_name, 1089 unsigned char *data, 1090 unsigned int data_size, 1091 class_size_info *class_size, 1092 char *message_buffer, 1093 jint buffer_length, 1094 jboolean measure_only, 1095 jboolean check_relaxed); 1096 1097 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \ 1098 JVM_ACC_FINAL | \ 1099 JVM_ACC_SUPER | \ 1100 JVM_ACC_INTERFACE | \ 1101 JVM_ACC_ABSTRACT | \ 1102 JVM_ACC_ANNOTATION | \ 1103 JVM_ACC_ENUM | \ 1104 JVM_ACC_SYNTHETIC) 1105 1106 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \ 1107 JVM_ACC_PRIVATE | \ 1108 JVM_ACC_PROTECTED | \ 1109 JVM_ACC_STATIC | \ 1110 JVM_ACC_FINAL | \ 1111 JVM_ACC_VOLATILE | \ 1112 JVM_ACC_TRANSIENT | \ 1113 JVM_ACC_ENUM | \ 1114 JVM_ACC_SYNTHETIC) 1115 1116 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \ 1117 JVM_ACC_PRIVATE | \ 1118 JVM_ACC_PROTECTED | \ 1119 JVM_ACC_STATIC | \ 1120 JVM_ACC_FINAL | \ 1121 JVM_ACC_SYNCHRONIZED | \ 1122 JVM_ACC_BRIDGE | \ 1123 JVM_ACC_VARARGS | \ 1124 JVM_ACC_NATIVE | \ 1125 JVM_ACC_ABSTRACT | \ 1126 JVM_ACC_STRICT | \ 1127 JVM_ACC_SYNTHETIC) 1128 1129 /* 1130 * This is the function defined in libjava.so to perform path 1131 * canonicalization. VM call this function before opening jar files 1132 * to load system classes. 1133 * 1134 */ 1135 1136 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len); 1137 1138 /************************************************************************* 1139 PART 3: I/O and Network Support 1140 ************************************************************************/ 1141 1142 /* 1143 * Convert a pathname into native format. This function does syntactic 1144 * cleanup, such as removing redundant separator characters. It modifies 1145 * the given pathname string in place. 1146 */ 1147 JNIEXPORT char * JNICALL 1148 JVM_NativePath(char *); 1149 1150 /* 1151 * The standard printing functions supported by the Java VM. (Should they 1152 * be renamed to JVM_* in the future? 1153 */ 1154 1155 /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3), 1156 * respectively, with the following differences: 1157 * - The string written to str is always zero-terminated, also in case of 1158 * truncation (count is too small to hold the result string), unless count 1159 * is 0. In case of truncation count-1 characters are written and '\0' 1160 * appendend. 1161 * - If count is too small to hold the whole string, -1 is returned across 1162 * all platforms. */ 1163 1164 JNIEXPORT int 1165 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args); 1166 1167 JNIEXPORT int 1168 jio_snprintf(char *str, size_t count, const char *fmt, ...); 1169 1170 JNIEXPORT int 1171 jio_fprintf(FILE *, const char *fmt, ...); 1172 1173 JNIEXPORT int 1174 jio_vfprintf(FILE *, const char *fmt, va_list args); 1175 1176 1177 JNIEXPORT void * JNICALL 1178 JVM_RawMonitorCreate(void); 1179 1180 JNIEXPORT void JNICALL 1181 JVM_RawMonitorDestroy(void *mon); 1182 1183 JNIEXPORT jint JNICALL 1184 JVM_RawMonitorEnter(void *mon); 1185 1186 JNIEXPORT void JNICALL 1187 JVM_RawMonitorExit(void *mon); 1188 1189 /* 1190 * java.lang.management support 1191 */ 1192 JNIEXPORT void* JNICALL 1193 JVM_GetManagement(jint version); 1194 1195 /* 1196 * com.sun.tools.attach.VirtualMachine support 1197 * 1198 * Initialize the agent properties with the properties maintained in the VM. 1199 */ 1200 JNIEXPORT jobject JNICALL 1201 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props); 1202 1203 JNIEXPORT jstring JNICALL 1204 JVM_GetTemporaryDirectory(JNIEnv *env); 1205 1206 /* Generics reflection support. 1207 * 1208 * Returns information about the given class's EnclosingMethod 1209 * attribute, if present, or null if the class had no enclosing 1210 * method. 1211 * 1212 * If non-null, the returned array contains three elements. Element 0 1213 * is the java.lang.Class of which the enclosing method is a member, 1214 * and elements 1 and 2 are the java.lang.Strings for the enclosing 1215 * method's name and descriptor, respectively. 1216 */ 1217 JNIEXPORT jobjectArray JNICALL 1218 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass); 1219 1220 /* ========================================================================= 1221 * The following defines a private JVM interface that the JDK can query 1222 * for the JVM version and capabilities. sun.misc.Version defines 1223 * the methods for getting the VM version and its capabilities. 1224 * 1225 * When a new bit is added, the following should be updated to provide 1226 * access to the new capability: 1227 * HS: JVM_GetVersionInfo and Abstract_VM_Version class 1228 * SDK: Version class 1229 * 1230 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for 1231 * JVM to query for the JDK version and capabilities. 1232 * 1233 * When a new bit is added, the following should be updated to provide 1234 * access to the new capability: 1235 * HS: JDK_Version class 1236 * SDK: JDK_GetVersionInfo0 1237 * 1238 * ========================================================================== 1239 */ 1240 typedef struct { 1241 unsigned int jvm_version; /* Encoded $VNUM as specified by JEP-223 */ 1242 unsigned int patch_version : 8; /* JEP-223 patch version */ 1243 unsigned int reserved3 : 8; 1244 unsigned int reserved1 : 16; 1245 unsigned int reserved2; 1246 1247 /* The following bits represents JVM supports that JDK has dependency on. 1248 * JDK can use these bits to determine which JVM version 1249 * and support it has to maintain runtime compatibility. 1250 * 1251 * When a new bit is added in a minor or update release, make sure 1252 * the new bit is also added in the main/baseline. 1253 */ 1254 unsigned int is_attach_supported : 1; 1255 unsigned int : 31; 1256 unsigned int : 32; 1257 unsigned int : 32; 1258 } jvm_version_info; 1259 1260 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1261 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1262 #define JVM_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) 1263 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF)) 1264 1265 JNIEXPORT void JNICALL 1266 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size); 1267 1268 typedef struct { 1269 unsigned int jdk_version; /* Encoded $VNUM as specified by JEP-223 */ 1270 unsigned int patch_version : 8; /* JEP-223 patch version */ 1271 unsigned int reserved3 : 8; 1272 unsigned int reserved1 : 16; 1273 unsigned int reserved2; 1274 1275 /* The following bits represents new JDK supports that VM has dependency on. 1276 * VM implementation can use these bits to determine which JDK version 1277 * and support it has to maintain runtime compatibility. 1278 * 1279 * When a new bit is added in a minor or update release, make sure 1280 * the new bit is also added in the main/baseline. 1281 */ 1282 unsigned int thread_park_blocker : 1; 1283 unsigned int post_vm_init_hook_enabled : 1; 1284 unsigned int pending_list_uses_discovered_field : 1; 1285 unsigned int : 29; 1286 unsigned int : 32; 1287 unsigned int : 32; 1288 } jdk_version_info; 1289 1290 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1291 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1292 #define JDK_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) 1293 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF)) 1294 1295 /* 1296 * This is the function JDK_GetVersionInfo0 defined in libjava.so 1297 * that is dynamically looked up by JVM. 1298 */ 1299 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size); 1300 1301 /* 1302 * This structure is used by the launcher to get the default thread 1303 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a 1304 * version of 1.1. As it is not supported otherwise, it has been removed 1305 * from jni.h 1306 */ 1307 typedef struct JDK1_1InitArgs { 1308 jint version; 1309 1310 char **properties; 1311 jint checkSource; 1312 jint nativeStackSize; 1313 jint javaStackSize; 1314 jint minHeapSize; 1315 jint maxHeapSize; 1316 jint verifyMode; 1317 char *classpath; 1318 1319 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args); 1320 void (JNICALL *exit)(jint code); 1321 void (JNICALL *abort)(void); 1322 1323 jint enableClassGC; 1324 jint enableVerboseGC; 1325 jint disableAsyncGC; 1326 jint verbose; 1327 jboolean debugging; 1328 jint debugPort; 1329 } JDK1_1InitArgs; 1330 1331 1332 #ifdef __cplusplus 1333 } /* extern "C" */ 1334 1335 #endif /* __cplusplus */ 1336 1337 #endif /* !_JAVASOFT_JVM_H_ */