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 /* The following two reflection routines are still needed due to startup time issues */ 526 /* 527 * java.lang.reflect.Method 528 */ 529 JNIEXPORT jobject JNICALL 530 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0); 531 532 /* 533 * java.lang.reflect.Constructor 534 */ 535 JNIEXPORT jobject JNICALL 536 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0); 537 538 /* 539 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5) 540 */ 541 542 JNIEXPORT jobject JNICALL 543 JVM_GetClassConstantPool(JNIEnv *env, jclass cls); 544 545 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize 546 (JNIEnv *env, jobject unused, jobject jcpool); 547 548 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt 549 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 550 551 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded 552 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 553 554 JNIEXPORT jint JNICALL JVM_ConstantPoolGetClassRefIndexAt 555 (JNIEnv *env, jobject obj, jobject unused, jint index); 556 557 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt 558 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 559 560 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded 561 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 562 563 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt 564 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 565 566 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded 567 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 568 569 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt 570 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 571 572 JNIEXPORT jint JNICALL JVM_ConstantPoolGetNameAndTypeRefIndexAt 573 (JNIEnv *env, jobject obj, jobject unused, jint index); 574 575 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetNameAndTypeRefInfoAt 576 (JNIEnv *env, jobject obj, jobject unused, jint index); 577 578 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt 579 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 580 581 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt 582 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 583 584 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt 585 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 586 587 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt 588 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 589 590 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt 591 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 592 593 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At 594 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 595 596 JNIEXPORT jbyte JNICALL JVM_ConstantPoolGetTagAt 597 (JNIEnv *env, jobject unused, jobject jcpool, jint index); 598 599 /* 600 * Parameter reflection 601 */ 602 603 JNIEXPORT jobjectArray JNICALL 604 JVM_GetMethodParameters(JNIEnv *env, jobject method); 605 606 /* 607 * java.security.* 608 */ 609 610 JNIEXPORT jobject JNICALL 611 JVM_DoPrivileged(JNIEnv *env, jclass cls, 612 jobject action, jobject context, jboolean wrapException); 613 614 JNIEXPORT jobject JNICALL 615 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls); 616 617 JNIEXPORT jobject JNICALL 618 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls); 619 620 /* 621 * Signal support, used to implement the shutdown sequence. Every VM must 622 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts 623 * (^C) and the latter for external termination (kill, system shutdown, etc.). 624 * Other platform-dependent signal values may also be supported. 625 */ 626 627 JNIEXPORT void * JNICALL 628 JVM_RegisterSignal(jint sig, void *handler); 629 630 JNIEXPORT jboolean JNICALL 631 JVM_RaiseSignal(jint sig); 632 633 JNIEXPORT jint JNICALL 634 JVM_FindSignal(const char *name); 635 636 /* 637 * Retrieve the assertion directives for the specified class. 638 */ 639 JNIEXPORT jboolean JNICALL 640 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls); 641 642 /* 643 * Retrieve the assertion directives from the VM. 644 */ 645 JNIEXPORT jobject JNICALL 646 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused); 647 648 /* 649 * java.util.concurrent.atomic.AtomicLong 650 */ 651 JNIEXPORT jboolean JNICALL 652 JVM_SupportsCX8(void); 653 654 /* 655 * com.sun.dtrace.jsdt support 656 */ 657 658 #define JVM_TRACING_DTRACE_VERSION 1 659 660 /* 661 * Structure to pass one probe description to JVM 662 */ 663 typedef struct { 664 jmethodID method; 665 jstring function; 666 jstring name; 667 void* reserved[4]; // for future use 668 } JVM_DTraceProbe; 669 670 /** 671 * Encapsulates the stability ratings for a DTrace provider field 672 */ 673 typedef struct { 674 jint nameStability; 675 jint dataStability; 676 jint dependencyClass; 677 } JVM_DTraceInterfaceAttributes; 678 679 /* 680 * Structure to pass one provider description to JVM 681 */ 682 typedef struct { 683 jstring name; 684 JVM_DTraceProbe* probes; 685 jint probe_count; 686 JVM_DTraceInterfaceAttributes providerAttributes; 687 JVM_DTraceInterfaceAttributes moduleAttributes; 688 JVM_DTraceInterfaceAttributes functionAttributes; 689 JVM_DTraceInterfaceAttributes nameAttributes; 690 JVM_DTraceInterfaceAttributes argsAttributes; 691 void* reserved[4]; // for future use 692 } JVM_DTraceProvider; 693 694 /* 695 * Get the version number the JVM was built with 696 */ 697 JNIEXPORT jint JNICALL 698 JVM_DTraceGetVersion(JNIEnv* env); 699 700 /* 701 * Register new probe with given signature, return global handle 702 * 703 * The version passed in is the version that the library code was 704 * built with. 705 */ 706 JNIEXPORT jlong JNICALL 707 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name, 708 jint providers_count, JVM_DTraceProvider* providers); 709 710 /* 711 * Check JSDT probe 712 */ 713 JNIEXPORT jboolean JNICALL 714 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method); 715 716 /* 717 * Destroy custom DOF 718 */ 719 JNIEXPORT void JNICALL 720 JVM_DTraceDispose(JNIEnv* env, jlong activation_handle); 721 722 /* 723 * Check to see if DTrace is supported by OS 724 */ 725 JNIEXPORT jboolean JNICALL 726 JVM_DTraceIsSupported(JNIEnv* env); 727 728 /************************************************************************* 729 PART 2: Support for the Verifier and Class File Format Checker 730 ************************************************************************/ 731 /* 732 * Return the class name in UTF format. The result is valid 733 * until JVM_ReleaseUTf is called. 734 * 735 * The caller must treat the string as a constant and not modify it 736 * in any way. 737 */ 738 JNIEXPORT const char * JNICALL 739 JVM_GetClassNameUTF(JNIEnv *env, jclass cb); 740 741 /* 742 * Returns the constant pool types in the buffer provided by "types." 743 */ 744 JNIEXPORT void JNICALL 745 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types); 746 747 /* 748 * Returns the number of Constant Pool entries. 749 */ 750 JNIEXPORT jint JNICALL 751 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb); 752 753 /* 754 * Returns the number of *declared* fields or methods. 755 */ 756 JNIEXPORT jint JNICALL 757 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb); 758 759 JNIEXPORT jint JNICALL 760 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb); 761 762 /* 763 * Returns the CP indexes of exceptions raised by a given method. 764 * Places the result in the given buffer. 765 * 766 * The method is identified by method_index. 767 */ 768 JNIEXPORT void JNICALL 769 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index, 770 unsigned short *exceptions); 771 /* 772 * Returns the number of exceptions raised by a given method. 773 * The method is identified by method_index. 774 */ 775 JNIEXPORT jint JNICALL 776 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index); 777 778 /* 779 * Returns the byte code sequence of 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_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index, 786 unsigned char *code); 787 788 /* 789 * Returns the length of the byte code sequence of a given method. 790 * The method is identified by method_index. 791 */ 792 JNIEXPORT jint JNICALL 793 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index); 794 795 /* 796 * A structure used to a capture exception table entry in a Java method. 797 */ 798 typedef struct { 799 jint start_pc; 800 jint end_pc; 801 jint handler_pc; 802 jint catchType; 803 } JVM_ExceptionTableEntryType; 804 805 /* 806 * Returns the exception table entry at entry_index of a given method. 807 * Places the result in the given buffer. 808 * 809 * The method is identified by method_index. 810 */ 811 JNIEXPORT void JNICALL 812 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index, 813 jint entry_index, 814 JVM_ExceptionTableEntryType *entry); 815 816 /* 817 * Returns the length of the exception table of a given method. 818 * The method is identified by method_index. 819 */ 820 JNIEXPORT jint JNICALL 821 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index); 822 823 /* 824 * Returns the modifiers of a given field. 825 * The field is identified by field_index. 826 */ 827 JNIEXPORT jint JNICALL 828 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index); 829 830 /* 831 * Returns the modifiers of a given method. 832 * The method is identified by method_index. 833 */ 834 JNIEXPORT jint JNICALL 835 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index); 836 837 /* 838 * Returns the number of local variables of a given method. 839 * The method is identified by method_index. 840 */ 841 JNIEXPORT jint JNICALL 842 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index); 843 844 /* 845 * Returns the number of arguments (including this pointer) of a given method. 846 * The method is identified by method_index. 847 */ 848 JNIEXPORT jint JNICALL 849 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index); 850 851 /* 852 * Returns the maximum amount of stack (in words) used by a given method. 853 * The method is identified by method_index. 854 */ 855 JNIEXPORT jint JNICALL 856 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index); 857 858 /* 859 * Is a given method a constructor. 860 * The method is identified by method_index. 861 */ 862 JNIEXPORT jboolean JNICALL 863 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index); 864 865 /* 866 * Is the given method generated by the VM. 867 * The method is identified by method_index. 868 */ 869 JNIEXPORT jboolean JNICALL 870 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index); 871 872 /* 873 * Returns the name of a given method in UTF format. 874 * The result remains valid until JVM_ReleaseUTF is called. 875 * 876 * The caller must treat the string as a constant and not modify it 877 * in any way. 878 */ 879 JNIEXPORT const char * JNICALL 880 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index); 881 882 /* 883 * Returns the signature of a given method in UTF format. 884 * The result remains valid until JVM_ReleaseUTF is called. 885 * 886 * The caller must treat the string as a constant and not modify it 887 * in any way. 888 */ 889 JNIEXPORT const char * JNICALL 890 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index); 891 892 /* 893 * Returns the name of the field referred to at a given constant pool 894 * index. 895 * 896 * The result is in UTF format and remains valid until JVM_ReleaseUTF 897 * is called. 898 * 899 * The caller must treat the string as a constant and not modify it 900 * in any way. 901 */ 902 JNIEXPORT const char * JNICALL 903 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index); 904 905 /* 906 * Returns the name of the method referred to at a given constant pool 907 * index. 908 * 909 * The result is in UTF format and remains valid until JVM_ReleaseUTF 910 * is called. 911 * 912 * The caller must treat the string as a constant and not modify it 913 * in any way. 914 */ 915 JNIEXPORT const char * JNICALL 916 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index); 917 918 /* 919 * Returns the signature of the method referred to at a given constant pool 920 * index. 921 * 922 * The result is in UTF format and remains valid until JVM_ReleaseUTF 923 * is called. 924 * 925 * The caller must treat the string as a constant and not modify it 926 * in any way. 927 */ 928 JNIEXPORT const char * JNICALL 929 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index); 930 931 /* 932 * Returns the signature of the field referred to at a given constant pool 933 * index. 934 * 935 * The result is in UTF format and remains valid until JVM_ReleaseUTF 936 * is called. 937 * 938 * The caller must treat the string as a constant and not modify it 939 * in any way. 940 */ 941 JNIEXPORT const char * JNICALL 942 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index); 943 944 /* 945 * Returns the class name referred to at a given constant pool index. 946 * 947 * The result is in UTF format and remains valid until JVM_ReleaseUTF 948 * is called. 949 * 950 * The caller must treat the string as a constant and not modify it 951 * in any way. 952 */ 953 JNIEXPORT const char * JNICALL 954 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index); 955 956 /* 957 * Returns the class name referred to at a given constant pool index. 958 * 959 * The constant pool entry must refer to a CONSTANT_Fieldref. 960 * 961 * The result is in UTF format and remains valid until JVM_ReleaseUTF 962 * is called. 963 * 964 * The caller must treat the string as a constant and not modify it 965 * in any way. 966 */ 967 JNIEXPORT const char * JNICALL 968 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index); 969 970 /* 971 * Returns the class name referred to at a given constant pool index. 972 * 973 * The constant pool entry must refer to CONSTANT_Methodref or 974 * CONSTANT_InterfaceMethodref. 975 * 976 * The result is in UTF format and remains valid until JVM_ReleaseUTF 977 * is called. 978 * 979 * The caller must treat the string as a constant and not modify it 980 * in any way. 981 */ 982 JNIEXPORT const char * JNICALL 983 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index); 984 985 /* 986 * Returns the modifiers of a field in calledClass. The field is 987 * referred to in class cb at constant pool entry index. 988 * 989 * The caller must treat the string as a constant and not modify it 990 * in any way. 991 * 992 * Returns -1 if the field does not exist in calledClass. 993 */ 994 JNIEXPORT jint JNICALL 995 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 996 997 /* 998 * Returns the modifiers of a method in calledClass. The method is 999 * referred to in class cb at constant pool entry index. 1000 * 1001 * Returns -1 if the method does not exist in calledClass. 1002 */ 1003 JNIEXPORT jint JNICALL 1004 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 1005 1006 /* 1007 * Releases the UTF string obtained from the VM. 1008 */ 1009 JNIEXPORT void JNICALL 1010 JVM_ReleaseUTF(const char *utf); 1011 1012 /* 1013 * Compare if two classes are in the same package. 1014 */ 1015 JNIEXPORT jboolean JNICALL 1016 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2); 1017 1018 /* Get classfile constants */ 1019 #include "classfile_constants.h" 1020 1021 /* 1022 * A function defined by the byte-code verifier and called by the VM. 1023 * This is not a function implemented in the VM. 1024 * 1025 * Returns JNI_FALSE if verification fails. A detailed error message 1026 * will be places in msg_buf, whose length is specified by buf_len. 1027 */ 1028 typedef jboolean (*verifier_fn_t)(JNIEnv *env, 1029 jclass cb, 1030 char * msg_buf, 1031 jint buf_len); 1032 1033 1034 /* 1035 * Support for a VM-independent class format checker. 1036 */ 1037 typedef struct { 1038 unsigned long code; /* byte code */ 1039 unsigned long excs; /* exceptions */ 1040 unsigned long etab; /* catch table */ 1041 unsigned long lnum; /* line number */ 1042 unsigned long lvar; /* local vars */ 1043 } method_size_info; 1044 1045 typedef struct { 1046 unsigned int constants; /* constant pool */ 1047 unsigned int fields; 1048 unsigned int methods; 1049 unsigned int interfaces; 1050 unsigned int fields2; /* number of static 2-word fields */ 1051 unsigned int innerclasses; /* # of records in InnerClasses attr */ 1052 1053 method_size_info clinit; /* memory used in clinit */ 1054 method_size_info main; /* used everywhere else */ 1055 } class_size_info; 1056 1057 /* 1058 * Functions defined in libjava.so to perform string conversions. 1059 * 1060 */ 1061 1062 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str); 1063 1064 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b); 1065 1066 /* This is the function defined in libjava.so that performs class 1067 * format checks. This functions fills in size information about 1068 * the class file and returns: 1069 * 1070 * 0: good 1071 * -1: out of memory 1072 * -2: bad format 1073 * -3: unsupported version 1074 * -4: bad class name 1075 */ 1076 1077 typedef jint (*check_format_fn_t)(char *class_name, 1078 unsigned char *data, 1079 unsigned int data_size, 1080 class_size_info *class_size, 1081 char *message_buffer, 1082 jint buffer_length, 1083 jboolean measure_only, 1084 jboolean check_relaxed); 1085 1086 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \ 1087 JVM_ACC_FINAL | \ 1088 JVM_ACC_SUPER | \ 1089 JVM_ACC_INTERFACE | \ 1090 JVM_ACC_ABSTRACT | \ 1091 JVM_ACC_ANNOTATION | \ 1092 JVM_ACC_ENUM | \ 1093 JVM_ACC_SYNTHETIC) 1094 1095 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \ 1096 JVM_ACC_PRIVATE | \ 1097 JVM_ACC_PROTECTED | \ 1098 JVM_ACC_STATIC | \ 1099 JVM_ACC_FINAL | \ 1100 JVM_ACC_VOLATILE | \ 1101 JVM_ACC_TRANSIENT | \ 1102 JVM_ACC_ENUM | \ 1103 JVM_ACC_SYNTHETIC) 1104 1105 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \ 1106 JVM_ACC_PRIVATE | \ 1107 JVM_ACC_PROTECTED | \ 1108 JVM_ACC_STATIC | \ 1109 JVM_ACC_FINAL | \ 1110 JVM_ACC_SYNCHRONIZED | \ 1111 JVM_ACC_BRIDGE | \ 1112 JVM_ACC_VARARGS | \ 1113 JVM_ACC_NATIVE | \ 1114 JVM_ACC_ABSTRACT | \ 1115 JVM_ACC_STRICT | \ 1116 JVM_ACC_SYNTHETIC) 1117 1118 /* 1119 * This is the function defined in libjava.so to perform path 1120 * canonicalization. VM call this function before opening jar files 1121 * to load system classes. 1122 * 1123 */ 1124 1125 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len); 1126 1127 /************************************************************************* 1128 PART 3: I/O and Network Support 1129 ************************************************************************/ 1130 1131 /* 1132 * Convert a pathname into native format. This function does syntactic 1133 * cleanup, such as removing redundant separator characters. It modifies 1134 * the given pathname string in place. 1135 */ 1136 JNIEXPORT char * JNICALL 1137 JVM_NativePath(char *); 1138 1139 /* 1140 * The standard printing functions supported by the Java VM. (Should they 1141 * be renamed to JVM_* in the future? 1142 */ 1143 1144 /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3), 1145 * respectively, with the following differences: 1146 * - The string written to str is always zero-terminated, also in case of 1147 * truncation (count is too small to hold the result string), unless count 1148 * is 0. In case of truncation count-1 characters are written and '\0' 1149 * appendend. 1150 * - If count is too small to hold the whole string, -1 is returned across 1151 * all platforms. */ 1152 1153 JNIEXPORT int 1154 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args); 1155 1156 JNIEXPORT int 1157 jio_snprintf(char *str, size_t count, const char *fmt, ...); 1158 1159 JNIEXPORT int 1160 jio_fprintf(FILE *, const char *fmt, ...); 1161 1162 JNIEXPORT int 1163 jio_vfprintf(FILE *, const char *fmt, va_list args); 1164 1165 1166 JNIEXPORT void * JNICALL 1167 JVM_RawMonitorCreate(void); 1168 1169 JNIEXPORT void JNICALL 1170 JVM_RawMonitorDestroy(void *mon); 1171 1172 JNIEXPORT jint JNICALL 1173 JVM_RawMonitorEnter(void *mon); 1174 1175 JNIEXPORT void JNICALL 1176 JVM_RawMonitorExit(void *mon); 1177 1178 /* 1179 * java.lang.management support 1180 */ 1181 JNIEXPORT void* JNICALL 1182 JVM_GetManagement(jint version); 1183 1184 /* 1185 * com.sun.tools.attach.VirtualMachine support 1186 * 1187 * Initialize the agent properties with the properties maintained in the VM. 1188 */ 1189 JNIEXPORT jobject JNICALL 1190 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props); 1191 1192 JNIEXPORT jstring JNICALL 1193 JVM_GetTemporaryDirectory(JNIEnv *env); 1194 1195 /* Generics reflection support. 1196 * 1197 * Returns information about the given class's EnclosingMethod 1198 * attribute, if present, or null if the class had no enclosing 1199 * method. 1200 * 1201 * If non-null, the returned array contains three elements. Element 0 1202 * is the java.lang.Class of which the enclosing method is a member, 1203 * and elements 1 and 2 are the java.lang.Strings for the enclosing 1204 * method's name and descriptor, respectively. 1205 */ 1206 JNIEXPORT jobjectArray JNICALL 1207 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass); 1208 1209 /* ========================================================================= 1210 * The following defines a private JVM interface that the JDK can query 1211 * for the JVM version and capabilities. sun.misc.Version defines 1212 * the methods for getting the VM version and its capabilities. 1213 * 1214 * When a new bit is added, the following should be updated to provide 1215 * access to the new capability: 1216 * HS: JVM_GetVersionInfo and Abstract_VM_Version class 1217 * SDK: Version class 1218 * 1219 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for 1220 * JVM to query for the JDK version and capabilities. 1221 * 1222 * When a new bit is added, the following should be updated to provide 1223 * access to the new capability: 1224 * HS: JDK_Version class 1225 * SDK: JDK_GetVersionInfo0 1226 * 1227 * ========================================================================== 1228 */ 1229 typedef struct { 1230 unsigned int jvm_version; /* Encoded $VNUM as specified by JEP-223 */ 1231 unsigned int patch_version : 8; /* JEP-223 patch version */ 1232 unsigned int reserved3 : 8; 1233 unsigned int reserved1 : 16; 1234 unsigned int reserved2; 1235 1236 /* The following bits represents JVM supports that JDK has dependency on. 1237 * JDK can use these bits to determine which JVM version 1238 * and support it has to maintain runtime compatibility. 1239 * 1240 * When a new bit is added in a minor or update release, make sure 1241 * the new bit is also added in the main/baseline. 1242 */ 1243 unsigned int is_attach_supported : 1; 1244 unsigned int : 31; 1245 unsigned int : 32; 1246 unsigned int : 32; 1247 } jvm_version_info; 1248 1249 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1250 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1251 #define JVM_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) 1252 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF)) 1253 1254 JNIEXPORT void JNICALL 1255 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size); 1256 1257 typedef struct { 1258 unsigned int jdk_version; /* Encoded $VNUM as specified by JEP-223 */ 1259 unsigned int patch_version : 8; /* JEP-223 patch version */ 1260 unsigned int reserved3 : 8; 1261 unsigned int reserved1 : 16; 1262 unsigned int reserved2; 1263 1264 /* The following bits represents new JDK supports that VM has dependency on. 1265 * VM implementation can use these bits to determine which JDK version 1266 * and support it has to maintain runtime compatibility. 1267 * 1268 * When a new bit is added in a minor or update release, make sure 1269 * the new bit is also added in the main/baseline. 1270 */ 1271 unsigned int thread_park_blocker : 1; 1272 unsigned int post_vm_init_hook_enabled : 1; 1273 unsigned int pending_list_uses_discovered_field : 1; 1274 unsigned int : 29; 1275 unsigned int : 32; 1276 unsigned int : 32; 1277 } jdk_version_info; 1278 1279 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1280 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1281 #define JDK_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) 1282 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF)) 1283 1284 /* 1285 * This is the function JDK_GetVersionInfo0 defined in libjava.so 1286 * that is dynamically looked up by JVM. 1287 */ 1288 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size); 1289 1290 /* 1291 * This structure is used by the launcher to get the default thread 1292 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a 1293 * version of 1.1. As it is not supported otherwise, it has been removed 1294 * from jni.h 1295 */ 1296 typedef struct JDK1_1InitArgs { 1297 jint version; 1298 1299 char **properties; 1300 jint checkSource; 1301 jint nativeStackSize; 1302 jint javaStackSize; 1303 jint minHeapSize; 1304 jint maxHeapSize; 1305 jint verifyMode; 1306 char *classpath; 1307 1308 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args); 1309 void (JNICALL *exit)(jint code); 1310 void (JNICALL *abort)(void); 1311 1312 jint enableClassGC; 1313 jint enableVerboseGC; 1314 jint disableAsyncGC; 1315 jint verbose; 1316 jboolean debugging; 1317 jint debugPort; 1318 } JDK1_1InitArgs; 1319 1320 1321 #ifdef __cplusplus 1322 } /* extern "C" */ 1323 1324 #endif /* __cplusplus */ 1325 1326 #endif /* !_JAVASOFT_JVM_H_ */