1 /* 2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_PRIMS_JVM_H 26 #define SHARE_VM_PRIMS_JVM_H 27 28 #include "prims/jni.h" 29 #ifdef TARGET_OS_FAMILY_linux 30 # include "jvm_linux.h" 31 #endif 32 #ifdef TARGET_OS_FAMILY_solaris 33 # include "jvm_solaris.h" 34 #endif 35 #ifdef TARGET_OS_FAMILY_windows 36 # include "jvm_windows.h" 37 #endif 38 #ifdef TARGET_OS_FAMILY_aix 39 # include "jvm_aix.h" 40 #endif 41 #ifdef TARGET_OS_FAMILY_bsd 42 # include "jvm_bsd.h" 43 #endif 44 45 #ifndef _JAVASOFT_JVM_H_ 46 #define _JAVASOFT_JVM_H_ 47 48 // HotSpot integration note: 49 // 50 // This file and jvm.h used with the JDK are identical, 51 // except for the three includes removed below 52 53 // #include <sys/stat.h> 54 // #include "jni.h" 55 // #include "jvm_md.h" 56 57 58 #ifdef __cplusplus 59 extern "C" { 60 #endif 61 62 /* 63 * This file contains additional functions exported from the VM. 64 * These functions are complementary to the standard JNI support. 65 * There are three parts to this file: 66 * 67 * First, this file contains the VM-related functions needed by native 68 * libraries in the standard Java API. For example, the java.lang.Object 69 * class needs VM-level functions that wait for and notify monitors. 70 * 71 * Second, this file contains the functions and constant definitions 72 * needed by the byte code verifier and class file format checker. 73 * These functions allow the verifier and format checker to be written 74 * in a VM-independent way. 75 * 76 * Third, this file contains various I/O and nerwork operations needed 77 * by the standard Java I/O and network APIs. 78 */ 79 80 /* 81 * Bump the version number when either of the following happens: 82 * 83 * 1. There is a change in JVM_* functions. 84 * 85 * 2. There is a change in the contract between VM and Java classes. 86 * For example, if the VM relies on a new private field in Thread 87 * class. 88 */ 89 90 #define JVM_INTERFACE_VERSION 4 91 92 JNIEXPORT jobjectArray JNICALL 93 JVM_GetMethodParameters(JNIEnv *env, jobject method); 94 95 JNIEXPORT jint JNICALL 96 JVM_GetInterfaceVersion(void); 97 98 /************************************************************************* 99 PART 1: Functions for Native Libraries 100 ************************************************************************/ 101 /* 102 * java.lang.Object 103 */ 104 JNIEXPORT jint JNICALL 105 JVM_IHashCode(JNIEnv *env, jobject obj); 106 107 JNIEXPORT void JNICALL 108 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms); 109 110 JNIEXPORT void JNICALL 111 JVM_MonitorNotify(JNIEnv *env, jobject obj); 112 113 JNIEXPORT void JNICALL 114 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj); 115 116 JNIEXPORT jobject JNICALL 117 JVM_Clone(JNIEnv *env, jobject obj); 118 119 /* 120 * java.lang.String 121 */ 122 JNIEXPORT jstring JNICALL 123 JVM_InternString(JNIEnv *env, jstring str); 124 125 /* 126 * java.lang.System 127 */ 128 JNIEXPORT jlong JNICALL 129 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored); 130 131 JNIEXPORT jlong JNICALL 132 JVM_NanoTime(JNIEnv *env, jclass ignored); 133 134 JNIEXPORT jlong JNICALL 135 JVM_GetNanoTimeAdjustment(JNIEnv *env, jclass ignored, jlong offset_secs); 136 137 JNIEXPORT void JNICALL 138 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos, 139 jobject dst, jint dst_pos, jint length); 140 141 JNIEXPORT jobject JNICALL 142 JVM_InitProperties(JNIEnv *env, jobject p); 143 144 JNIEXPORT void JNICALL 145 JVM_Halt(jint code); 146 147 JNIEXPORT void JNICALL 148 JVM_GC(void); 149 150 /* Returns the number of real-time milliseconds that have elapsed since the 151 * least-recently-inspected heap object was last inspected by the garbage 152 * collector. 153 * 154 * For simple stop-the-world collectors this value is just the time 155 * since the most recent collection. For generational collectors it is the 156 * time since the oldest generation was most recently collected. Other 157 * collectors are free to return a pessimistic estimate of the elapsed time, or 158 * simply the time since the last full collection was performed. 159 * 160 * Note that in the presence of reference objects, a given object that is no 161 * longer strongly reachable may have to be inspected multiple times before it 162 * can be reclaimed. 163 */ 164 JNIEXPORT jlong JNICALL 165 JVM_MaxObjectInspectionAge(void); 166 167 JNIEXPORT jlong JNICALL 168 JVM_TotalMemory(void); 169 170 JNIEXPORT jlong JNICALL 171 JVM_FreeMemory(void); 172 173 JNIEXPORT jlong JNICALL 174 JVM_MaxMemory(void); 175 176 JNIEXPORT jint JNICALL 177 JVM_ActiveProcessorCount(void); 178 179 JNIEXPORT void * JNICALL 180 JVM_LoadLibrary(const char *name); 181 182 JNIEXPORT void JNICALL 183 JVM_UnloadLibrary(void * handle); 184 185 JNIEXPORT void * JNICALL 186 JVM_FindLibraryEntry(void *handle, const char *name); 187 188 JNIEXPORT jboolean JNICALL 189 JVM_IsSupportedJNIVersion(jint version); 190 191 /* 192 * java.lang.Throwable 193 */ 194 JNIEXPORT void JNICALL 195 JVM_FillInStackTrace(JNIEnv *env, jobject throwable); 196 197 JNIEXPORT jint JNICALL 198 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable); 199 200 JNIEXPORT jobject JNICALL 201 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index); 202 203 /* 204 * java.lang.Thread 205 */ 206 JNIEXPORT void JNICALL 207 JVM_StartThread(JNIEnv *env, jobject thread); 208 209 JNIEXPORT void JNICALL 210 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception); 211 212 JNIEXPORT jboolean JNICALL 213 JVM_IsThreadAlive(JNIEnv *env, jobject thread); 214 215 JNIEXPORT void JNICALL 216 JVM_SuspendThread(JNIEnv *env, jobject thread); 217 218 JNIEXPORT void JNICALL 219 JVM_ResumeThread(JNIEnv *env, jobject thread); 220 221 JNIEXPORT void JNICALL 222 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio); 223 224 JNIEXPORT void JNICALL 225 JVM_Yield(JNIEnv *env, jclass threadClass); 226 227 JNIEXPORT void JNICALL 228 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis); 229 230 JNIEXPORT jobject JNICALL 231 JVM_CurrentThread(JNIEnv *env, jclass threadClass); 232 233 JNIEXPORT jint JNICALL 234 JVM_CountStackFrames(JNIEnv *env, jobject thread); 235 236 JNIEXPORT void JNICALL 237 JVM_Interrupt(JNIEnv *env, jobject thread); 238 239 JNIEXPORT jboolean JNICALL 240 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted); 241 242 JNIEXPORT jboolean JNICALL 243 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj); 244 245 JNIEXPORT void JNICALL 246 JVM_DumpAllStacks(JNIEnv *env, jclass unused); 247 248 JNIEXPORT jobjectArray JNICALL 249 JVM_GetAllThreads(JNIEnv *env, jclass dummy); 250 251 JNIEXPORT void JNICALL 252 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name); 253 254 /* getStackTrace() and getAllStackTraces() method */ 255 JNIEXPORT jobjectArray JNICALL 256 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads); 257 258 /* 259 * java.lang.SecurityManager 260 */ 261 JNIEXPORT jclass JNICALL 262 JVM_CurrentLoadedClass(JNIEnv *env); 263 264 JNIEXPORT jobject JNICALL 265 JVM_CurrentClassLoader(JNIEnv *env); 266 267 JNIEXPORT jobjectArray JNICALL 268 JVM_GetClassContext(JNIEnv *env); 269 270 JNIEXPORT jint JNICALL 271 JVM_ClassDepth(JNIEnv *env, jstring name); 272 273 JNIEXPORT jint JNICALL 274 JVM_ClassLoaderDepth(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.io.ObjectInputStream 287 */ 288 JNIEXPORT jobject JNICALL 289 JVM_LatestUserDefinedLoader(JNIEnv *env); 290 291 /* 292 * java.lang.reflect.Array 293 */ 294 JNIEXPORT jint JNICALL 295 JVM_GetArrayLength(JNIEnv *env, jobject arr); 296 297 JNIEXPORT jobject JNICALL 298 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index); 299 300 JNIEXPORT jvalue JNICALL 301 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode); 302 303 JNIEXPORT void JNICALL 304 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val); 305 306 JNIEXPORT void JNICALL 307 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v, 308 unsigned char vCode); 309 310 JNIEXPORT jobject JNICALL 311 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length); 312 313 JNIEXPORT jobject JNICALL 314 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim); 315 316 /* 317 * java.lang.Class and java.lang.ClassLoader 318 */ 319 320 #define JVM_CALLER_DEPTH -1 321 322 /* 323 * Returns the class in which the code invoking the native method 324 * belongs. 325 * 326 * Note that in JDK 1.1, native methods did not create a frame. 327 * In 1.2, they do. Therefore native methods like Class.forName 328 * can no longer look at the current frame for the caller class. 329 */ 330 JNIEXPORT jclass JNICALL 331 JVM_GetCallerClass(JNIEnv *env, int n); 332 333 /* 334 * Find primitive classes 335 * utf: class name 336 */ 337 JNIEXPORT jclass JNICALL 338 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf); 339 340 /* 341 * Find a class from a boot class loader. Returns NULL if class not found. 342 */ 343 JNIEXPORT jclass JNICALL 344 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name); 345 346 /* 347 * Find a class from a given class loader. Throws ClassNotFoundException. 348 * name: name of class 349 * init: whether initialization is done 350 * loader: class loader to look up the class. This may not be the same as the caller's 351 * class loader. 352 * caller: initiating class. The initiating class may be null when a security 353 * manager is not installed. 354 */ 355 JNIEXPORT jclass JNICALL 356 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init, 357 jobject loader, jclass caller); 358 359 /* 360 * Find a class from a given class. 361 */ 362 JNIEXPORT jclass JNICALL 363 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init, 364 jclass from); 365 366 /* Find a loaded class cached by the VM */ 367 JNIEXPORT jclass JNICALL 368 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name); 369 370 /* Define a class */ 371 JNIEXPORT jclass JNICALL 372 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, 373 jsize len, jobject pd); 374 375 /* Define a class with a source (added in JDK1.5) */ 376 JNIEXPORT jclass JNICALL 377 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, 378 const jbyte *buf, jsize len, jobject pd, 379 const char *source); 380 381 /* Define a class with a source with conditional verification (added HSX 14) 382 * -Xverify:all will verify anyway, -Xverify:none will not verify, 383 * -Xverify:remote (default) will obey this conditional 384 * i.e. true = should_verify_class 385 */ 386 JNIEXPORT jclass JNICALL 387 JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name, 388 jobject loader, const jbyte *buf, 389 jsize len, jobject pd, const char *source, 390 jboolean verify); 391 392 /* 393 * Reflection support functions 394 */ 395 396 JNIEXPORT jstring JNICALL 397 JVM_GetClassName(JNIEnv *env, jclass cls); 398 399 JNIEXPORT jobjectArray JNICALL 400 JVM_GetClassInterfaces(JNIEnv *env, jclass cls); 401 402 JNIEXPORT jboolean JNICALL 403 JVM_IsInterface(JNIEnv *env, jclass cls); 404 405 JNIEXPORT jobjectArray JNICALL 406 JVM_GetClassSigners(JNIEnv *env, jclass cls); 407 408 JNIEXPORT void JNICALL 409 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers); 410 411 JNIEXPORT jobject JNICALL 412 JVM_GetProtectionDomain(JNIEnv *env, jclass cls); 413 414 JNIEXPORT jboolean JNICALL 415 JVM_IsArrayClass(JNIEnv *env, jclass cls); 416 417 JNIEXPORT jboolean JNICALL 418 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls); 419 420 JNIEXPORT jint JNICALL 421 JVM_GetClassModifiers(JNIEnv *env, jclass cls); 422 423 JNIEXPORT jobjectArray JNICALL 424 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass); 425 426 JNIEXPORT jclass JNICALL 427 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass); 428 429 /* Generics support (JDK 1.5) */ 430 JNIEXPORT jstring JNICALL 431 JVM_GetClassSignature(JNIEnv *env, jclass cls); 432 433 /* Annotations support (JDK 1.5) */ 434 JNIEXPORT jbyteArray JNICALL 435 JVM_GetClassAnnotations(JNIEnv *env, jclass cls); 436 437 /* Annotations support (JDK 1.6) */ 438 439 /* Type use annotations support (JDK 1.8) */ 440 441 JNIEXPORT jbyteArray JNICALL 442 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls); 443 444 // field is a handle to a java.lang.reflect.Field object 445 JNIEXPORT jbyteArray JNICALL 446 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field); 447 448 // method is a handle to a java.lang.reflect.Method object 449 JNIEXPORT jbyteArray JNICALL 450 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method); 451 452 /* 453 * New (JDK 1.4) reflection implementation 454 */ 455 456 JNIEXPORT jobjectArray JNICALL 457 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly); 458 459 JNIEXPORT jobjectArray JNICALL 460 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly); 461 462 JNIEXPORT jobjectArray JNICALL 463 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly); 464 465 /* Differs from JVM_GetClassModifiers in treatment of inner classes. 466 This returns the access flags for the class as specified in the 467 class file rather than searching the InnerClasses attribute (if 468 present) to find the source-level access flags. Only the values of 469 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be 470 valid. */ 471 JNIEXPORT jint JNICALL 472 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls); 473 474 /* 475 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5) 476 */ 477 478 JNIEXPORT jobject JNICALL 479 JVM_GetClassConstantPool(JNIEnv *env, jclass cls); 480 481 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize 482 (JNIEnv *env, jobject obj, jobject unused); 483 484 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt 485 (JNIEnv *env, jobject obj, jobject unused, jint index); 486 487 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded 488 (JNIEnv *env, jobject obj, jobject unused, jint index); 489 490 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt 491 (JNIEnv *env, jobject obj, jobject unused, jint index); 492 493 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded 494 (JNIEnv *env, jobject obj, jobject unused, jint index); 495 496 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt 497 (JNIEnv *env, jobject obj, jobject unused, jint index); 498 499 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded 500 (JNIEnv *env, jobject obj, jobject unused, jint index); 501 502 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt 503 (JNIEnv *env, jobject obj, jobject unused, jint index); 504 505 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt 506 (JNIEnv *env, jobject obj, jobject unused, jint index); 507 508 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt 509 (JNIEnv *env, jobject obj, jobject unused, jint index); 510 511 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt 512 (JNIEnv *env, jobject obj, jobject unused, jint index); 513 514 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt 515 (JNIEnv *env, jobject obj, jobject unused, jint index); 516 517 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt 518 (JNIEnv *env, jobject obj, jobject unused, jint index); 519 520 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At 521 (JNIEnv *env, jobject obj, jobject unused, jint index); 522 523 /* 524 * java.security.* 525 */ 526 527 JNIEXPORT jobject JNICALL 528 JVM_DoPrivileged(JNIEnv *env, jclass cls, 529 jobject action, jobject context, jboolean wrapException); 530 531 JNIEXPORT jobject JNICALL 532 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls); 533 534 JNIEXPORT jobject JNICALL 535 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls); 536 537 /* 538 * Signal support, used to implement the shutdown sequence. Every VM must 539 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts 540 * (^C) and the latter for external termination (kill, system shutdown, etc.). 541 * Other platform-dependent signal values may also be supported. 542 */ 543 544 JNIEXPORT void * JNICALL 545 JVM_RegisterSignal(jint sig, void *handler); 546 547 JNIEXPORT jboolean JNICALL 548 JVM_RaiseSignal(jint sig); 549 550 JNIEXPORT jint JNICALL 551 JVM_FindSignal(const char *name); 552 553 /* 554 * Retrieve the assertion directives for the specified class. 555 */ 556 JNIEXPORT jboolean JNICALL 557 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls); 558 559 /* 560 * Retrieve the assertion directives from the VM. 561 */ 562 JNIEXPORT jobject JNICALL 563 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused); 564 565 /* 566 * java.util.concurrent.atomic.AtomicLong 567 */ 568 JNIEXPORT jboolean JNICALL 569 JVM_SupportsCX8(void); 570 571 /************************************************************************* 572 PART 2: Support for the Verifier and Class File Format Checker 573 ************************************************************************/ 574 /* 575 * Return the class name in UTF format. The result is valid 576 * until JVM_ReleaseUTf is called. 577 * 578 * The caller must treat the string as a constant and not modify it 579 * in any way. 580 */ 581 JNIEXPORT const char * JNICALL 582 JVM_GetClassNameUTF(JNIEnv *env, jclass cb); 583 584 /* 585 * Returns the constant pool types in the buffer provided by "types." 586 */ 587 JNIEXPORT void JNICALL 588 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types); 589 590 /* 591 * Returns the number of Constant Pool entries. 592 */ 593 JNIEXPORT jint JNICALL 594 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb); 595 596 /* 597 * Returns the number of *declared* fields or methods. 598 */ 599 JNIEXPORT jint JNICALL 600 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb); 601 602 JNIEXPORT jint JNICALL 603 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb); 604 605 /* 606 * Returns the CP indexes of exceptions raised by a given method. 607 * Places the result in the given buffer. 608 * 609 * The method is identified by method_index. 610 */ 611 JNIEXPORT void JNICALL 612 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index, 613 unsigned short *exceptions); 614 /* 615 * Returns the number of exceptions raised by a given method. 616 * The method is identified by method_index. 617 */ 618 JNIEXPORT jint JNICALL 619 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index); 620 621 /* 622 * Returns the byte code sequence of a given method. 623 * Places the result in the given buffer. 624 * 625 * The method is identified by method_index. 626 */ 627 JNIEXPORT void JNICALL 628 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index, 629 unsigned char *code); 630 631 /* 632 * Returns the length of the byte code sequence of a given method. 633 * The method is identified by method_index. 634 */ 635 JNIEXPORT jint JNICALL 636 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index); 637 638 /* 639 * A structure used to a capture exception table entry in a Java method. 640 */ 641 typedef struct { 642 jint start_pc; 643 jint end_pc; 644 jint handler_pc; 645 jint catchType; 646 } JVM_ExceptionTableEntryType; 647 648 /* 649 * Returns the exception table entry at entry_index of a given method. 650 * Places the result in the given buffer. 651 * 652 * The method is identified by method_index. 653 */ 654 JNIEXPORT void JNICALL 655 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index, 656 jint entry_index, 657 JVM_ExceptionTableEntryType *entry); 658 659 /* 660 * Returns the length of the exception table of a given method. 661 * The method is identified by method_index. 662 */ 663 JNIEXPORT jint JNICALL 664 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index); 665 666 /* 667 * Returns the modifiers of a given field. 668 * The field is identified by field_index. 669 */ 670 JNIEXPORT jint JNICALL 671 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index); 672 673 /* 674 * Returns the modifiers of a given method. 675 * The method is identified by method_index. 676 */ 677 JNIEXPORT jint JNICALL 678 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index); 679 680 /* 681 * Returns the number of local variables of a given method. 682 * The method is identified by method_index. 683 */ 684 JNIEXPORT jint JNICALL 685 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index); 686 687 /* 688 * Returns the number of arguments (including this pointer) of a given method. 689 * The method is identified by method_index. 690 */ 691 JNIEXPORT jint JNICALL 692 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index); 693 694 /* 695 * Returns the maximum amount of stack (in words) used by a given method. 696 * The method is identified by method_index. 697 */ 698 JNIEXPORT jint JNICALL 699 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index); 700 701 /* 702 * Is a given method a constructor. 703 * The method is identified by method_index. 704 */ 705 JNIEXPORT jboolean JNICALL 706 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index); 707 708 /* 709 * Is the given method generated by the VM. 710 * The method is identified by method_index. 711 */ 712 JNIEXPORT jboolean JNICALL 713 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index); 714 715 /* 716 * Returns the name of a given method in UTF format. 717 * The result remains valid until JVM_ReleaseUTF is called. 718 * 719 * The caller must treat the string as a constant and not modify it 720 * in any way. 721 */ 722 JNIEXPORT const char * JNICALL 723 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index); 724 725 /* 726 * Returns the signature of a given method in UTF format. 727 * The result remains valid until JVM_ReleaseUTF is called. 728 * 729 * The caller must treat the string as a constant and not modify it 730 * in any way. 731 */ 732 JNIEXPORT const char * JNICALL 733 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index); 734 735 /* 736 * Returns the name of the field refered to at a given constant pool 737 * index. 738 * 739 * The result is in UTF format and remains valid until JVM_ReleaseUTF 740 * is called. 741 * 742 * The caller must treat the string as a constant and not modify it 743 * in any way. 744 */ 745 JNIEXPORT const char * JNICALL 746 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index); 747 748 /* 749 * Returns the name of the method refered to at a given constant pool 750 * index. 751 * 752 * The result is in UTF format and remains valid until JVM_ReleaseUTF 753 * is called. 754 * 755 * The caller must treat the string as a constant and not modify it 756 * in any way. 757 */ 758 JNIEXPORT const char * JNICALL 759 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index); 760 761 /* 762 * Returns the signature of the method refered to at a given constant pool 763 * index. 764 * 765 * The result is in UTF format and remains valid until JVM_ReleaseUTF 766 * is called. 767 * 768 * The caller must treat the string as a constant and not modify it 769 * in any way. 770 */ 771 JNIEXPORT const char * JNICALL 772 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index); 773 774 /* 775 * Returns the signature of the field refered to at a given constant pool 776 * index. 777 * 778 * The result is in UTF format and remains valid until JVM_ReleaseUTF 779 * is called. 780 * 781 * The caller must treat the string as a constant and not modify it 782 * in any way. 783 */ 784 JNIEXPORT const char * JNICALL 785 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index); 786 787 /* 788 * Returns the class name refered to at a given constant pool index. 789 * 790 * The result is in UTF format and remains valid until JVM_ReleaseUTF 791 * is called. 792 * 793 * The caller must treat the string as a constant and not modify it 794 * in any way. 795 */ 796 JNIEXPORT const char * JNICALL 797 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index); 798 799 /* 800 * Returns the class name refered to at a given constant pool index. 801 * 802 * The constant pool entry must refer to a CONSTANT_Fieldref. 803 * 804 * The result is in UTF format and remains valid until JVM_ReleaseUTF 805 * is called. 806 * 807 * The caller must treat the string as a constant and not modify it 808 * in any way. 809 */ 810 JNIEXPORT const char * JNICALL 811 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index); 812 813 /* 814 * Returns the class name refered to at a given constant pool index. 815 * 816 * The constant pool entry must refer to CONSTANT_Methodref or 817 * CONSTANT_InterfaceMethodref. 818 * 819 * The result is in UTF format and remains valid until JVM_ReleaseUTF 820 * is called. 821 * 822 * The caller must treat the string as a constant and not modify it 823 * in any way. 824 */ 825 JNIEXPORT const char * JNICALL 826 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index); 827 828 /* 829 * Returns the modifiers of a field in calledClass. The field is 830 * referred to in class cb at constant pool entry index. 831 * 832 * The caller must treat the string as a constant and not modify it 833 * in any way. 834 * 835 * Returns -1 if the field does not exist in calledClass. 836 */ 837 JNIEXPORT jint JNICALL 838 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 839 840 /* 841 * Returns the modifiers of a method in calledClass. The method is 842 * referred to in class cb at constant pool entry index. 843 * 844 * Returns -1 if the method does not exist in calledClass. 845 */ 846 JNIEXPORT jint JNICALL 847 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); 848 849 /* 850 * Releases the UTF string obtained from the VM. 851 */ 852 JNIEXPORT void JNICALL 853 JVM_ReleaseUTF(const char *utf); 854 855 /* 856 * Compare if two classes are in the same package. 857 */ 858 JNIEXPORT jboolean JNICALL 859 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2); 860 861 /* Constants in class files */ 862 863 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */ 864 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */ 865 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */ 866 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */ 867 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */ 868 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */ 869 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */ 870 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */ 871 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */ 872 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */ 873 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */ 874 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */ 875 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */ 876 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */ 877 #define JVM_ACC_STRICT 0x0800 /* strict floating point */ 878 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */ 879 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */ 880 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */ 881 882 #define JVM_ACC_PUBLIC_BIT 0 883 #define JVM_ACC_PRIVATE_BIT 1 884 #define JVM_ACC_PROTECTED_BIT 2 885 #define JVM_ACC_STATIC_BIT 3 886 #define JVM_ACC_FINAL_BIT 4 887 #define JVM_ACC_SYNCHRONIZED_BIT 5 888 #define JVM_ACC_SUPER_BIT 5 889 #define JVM_ACC_VOLATILE_BIT 6 890 #define JVM_ACC_BRIDGE_BIT 6 891 #define JVM_ACC_TRANSIENT_BIT 7 892 #define JVM_ACC_VARARGS_BIT 7 893 #define JVM_ACC_NATIVE_BIT 8 894 #define JVM_ACC_INTERFACE_BIT 9 895 #define JVM_ACC_ABSTRACT_BIT 10 896 #define JVM_ACC_STRICT_BIT 11 897 #define JVM_ACC_SYNTHETIC_BIT 12 898 #define JVM_ACC_ANNOTATION_BIT 13 899 #define JVM_ACC_ENUM_BIT 14 900 901 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java 902 enum { 903 JVM_CONSTANT_Utf8 = 1, 904 JVM_CONSTANT_Unicode, /* unused */ 905 JVM_CONSTANT_Integer, 906 JVM_CONSTANT_Float, 907 JVM_CONSTANT_Long, 908 JVM_CONSTANT_Double, 909 JVM_CONSTANT_Class, 910 JVM_CONSTANT_String, 911 JVM_CONSTANT_Fieldref, 912 JVM_CONSTANT_Methodref, 913 JVM_CONSTANT_InterfaceMethodref, 914 JVM_CONSTANT_NameAndType, 915 JVM_CONSTANT_MethodHandle = 15, // JSR 292 916 JVM_CONSTANT_MethodType = 16, // JSR 292 917 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only 918 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292 919 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles 920 }; 921 922 /* JVM_CONSTANT_MethodHandle subtypes */ 923 enum { 924 JVM_REF_getField = 1, 925 JVM_REF_getStatic = 2, 926 JVM_REF_putField = 3, 927 JVM_REF_putStatic = 4, 928 JVM_REF_invokeVirtual = 5, 929 JVM_REF_invokeStatic = 6, 930 JVM_REF_invokeSpecial = 7, 931 JVM_REF_newInvokeSpecial = 8, 932 JVM_REF_invokeInterface = 9 933 }; 934 935 /* Used in the newarray instruction. */ 936 937 #define JVM_T_BOOLEAN 4 938 #define JVM_T_CHAR 5 939 #define JVM_T_FLOAT 6 940 #define JVM_T_DOUBLE 7 941 #define JVM_T_BYTE 8 942 #define JVM_T_SHORT 9 943 #define JVM_T_INT 10 944 #define JVM_T_LONG 11 945 946 /* JVM method signatures */ 947 948 #define JVM_SIGNATURE_ARRAY '[' 949 #define JVM_SIGNATURE_BYTE 'B' 950 #define JVM_SIGNATURE_CHAR 'C' 951 #define JVM_SIGNATURE_CLASS 'L' 952 #define JVM_SIGNATURE_ENDCLASS ';' 953 #define JVM_SIGNATURE_ENUM 'E' 954 #define JVM_SIGNATURE_FLOAT 'F' 955 #define JVM_SIGNATURE_DOUBLE 'D' 956 #define JVM_SIGNATURE_FUNC '(' 957 #define JVM_SIGNATURE_ENDFUNC ')' 958 #define JVM_SIGNATURE_INT 'I' 959 #define JVM_SIGNATURE_LONG 'J' 960 #define JVM_SIGNATURE_SHORT 'S' 961 #define JVM_SIGNATURE_VOID 'V' 962 #define JVM_SIGNATURE_BOOLEAN 'Z' 963 964 /* 965 * A function defined by the byte-code verifier and called by the VM. 966 * This is not a function implemented in the VM. 967 * 968 * Returns JNI_FALSE if verification fails. A detailed error message 969 * will be places in msg_buf, whose length is specified by buf_len. 970 */ 971 typedef jboolean (*verifier_fn_t)(JNIEnv *env, 972 jclass cb, 973 char * msg_buf, 974 jint buf_len); 975 976 977 /* 978 * Support for a VM-independent class format checker. 979 */ 980 typedef struct { 981 unsigned long code; /* byte code */ 982 unsigned long excs; /* exceptions */ 983 unsigned long etab; /* catch table */ 984 unsigned long lnum; /* line number */ 985 unsigned long lvar; /* local vars */ 986 } method_size_info; 987 988 typedef struct { 989 unsigned int constants; /* constant pool */ 990 unsigned int fields; 991 unsigned int methods; 992 unsigned int interfaces; 993 unsigned int fields2; /* number of static 2-word fields */ 994 unsigned int innerclasses; /* # of records in InnerClasses attr */ 995 996 method_size_info clinit; /* memory used in clinit */ 997 method_size_info main; /* used everywhere else */ 998 } class_size_info; 999 1000 /* 1001 * Functions defined in libjava.so to perform string conversions. 1002 * 1003 */ 1004 1005 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str); 1006 1007 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b); 1008 1009 /* This is the function defined in libjava.so that performs class 1010 * format checks. This functions fills in size information about 1011 * the class file and returns: 1012 * 1013 * 0: good 1014 * -1: out of memory 1015 * -2: bad format 1016 * -3: unsupported version 1017 * -4: bad class name 1018 */ 1019 1020 typedef jint (*check_format_fn_t)(char *class_name, 1021 unsigned char *data, 1022 unsigned int data_size, 1023 class_size_info *class_size, 1024 char *message_buffer, 1025 jint buffer_length, 1026 jboolean measure_only, 1027 jboolean check_relaxed); 1028 1029 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \ 1030 JVM_ACC_FINAL | \ 1031 JVM_ACC_SUPER | \ 1032 JVM_ACC_INTERFACE | \ 1033 JVM_ACC_ABSTRACT | \ 1034 JVM_ACC_ANNOTATION | \ 1035 JVM_ACC_ENUM | \ 1036 JVM_ACC_SYNTHETIC) 1037 1038 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \ 1039 JVM_ACC_PRIVATE | \ 1040 JVM_ACC_PROTECTED | \ 1041 JVM_ACC_STATIC | \ 1042 JVM_ACC_FINAL | \ 1043 JVM_ACC_VOLATILE | \ 1044 JVM_ACC_TRANSIENT | \ 1045 JVM_ACC_ENUM | \ 1046 JVM_ACC_SYNTHETIC) 1047 1048 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \ 1049 JVM_ACC_PRIVATE | \ 1050 JVM_ACC_PROTECTED | \ 1051 JVM_ACC_STATIC | \ 1052 JVM_ACC_FINAL | \ 1053 JVM_ACC_SYNCHRONIZED | \ 1054 JVM_ACC_BRIDGE | \ 1055 JVM_ACC_VARARGS | \ 1056 JVM_ACC_NATIVE | \ 1057 JVM_ACC_ABSTRACT | \ 1058 JVM_ACC_STRICT | \ 1059 JVM_ACC_SYNTHETIC) 1060 1061 /* 1062 * This is the function defined in libjava.so to perform path 1063 * canonicalization. VM call this function before opening jar files 1064 * to load system classes. 1065 * 1066 */ 1067 1068 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len); 1069 1070 /************************************************************************* 1071 PART 3: I/O and Network Support 1072 ************************************************************************/ 1073 1074 /* 1075 * Convert a pathname into native format. This function does syntactic 1076 * cleanup, such as removing redundant separator characters. It modifies 1077 * the given pathname string in place. 1078 */ 1079 JNIEXPORT char * JNICALL 1080 JVM_NativePath(char *); 1081 1082 /* 1083 * The standard printing functions supported by the Java VM. (Should they 1084 * be renamed to JVM_* in the future? 1085 */ 1086 1087 /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3), 1088 * respectively, with the following differences: 1089 * - The string written to str is always zero-terminated, also in case of 1090 * truncation (count is too small to hold the result string), unless count 1091 * is 0. In case of truncation count-1 characters are written and '\0' 1092 * appendend. 1093 * - If count is too small to hold the whole string, -1 is returned across 1094 * all platforms. */ 1095 JNIEXPORT int 1096 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args); 1097 1098 JNIEXPORT int 1099 jio_snprintf(char *str, size_t count, const char *fmt, ...); 1100 1101 JNIEXPORT int 1102 jio_fprintf(FILE *, const char *fmt, ...); 1103 1104 JNIEXPORT int 1105 jio_vfprintf(FILE *, const char *fmt, va_list args); 1106 1107 1108 JNIEXPORT void * JNICALL 1109 JVM_RawMonitorCreate(void); 1110 1111 JNIEXPORT void JNICALL 1112 JVM_RawMonitorDestroy(void *mon); 1113 1114 JNIEXPORT jint JNICALL 1115 JVM_RawMonitorEnter(void *mon); 1116 1117 JNIEXPORT void JNICALL 1118 JVM_RawMonitorExit(void *mon); 1119 1120 /* 1121 * java.lang.reflect.Method 1122 */ 1123 JNIEXPORT jobject JNICALL 1124 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0); 1125 1126 /* 1127 * java.lang.reflect.Constructor 1128 */ 1129 JNIEXPORT jobject JNICALL 1130 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0); 1131 1132 /* 1133 * java.lang.management support 1134 */ 1135 JNIEXPORT void* JNICALL 1136 JVM_GetManagement(jint version); 1137 1138 /* 1139 * com.sun.tools.attach.VirtualMachine support 1140 * 1141 * Initialize the agent properties with the properties maintained in the VM. 1142 */ 1143 JNIEXPORT jobject JNICALL 1144 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props); 1145 1146 JNIEXPORT jstring JNICALL 1147 JVM_GetTemporaryDirectory(JNIEnv *env); 1148 1149 /* Generics reflection support. 1150 * 1151 * Returns information about the given class's EnclosingMethod 1152 * attribute, if present, or null if the class had no enclosing 1153 * method. 1154 * 1155 * If non-null, the returned array contains three elements. Element 0 1156 * is the java.lang.Class of which the enclosing method is a member, 1157 * and elements 1 and 2 are the java.lang.Strings for the enclosing 1158 * method's name and descriptor, respectively. 1159 */ 1160 JNIEXPORT jobjectArray JNICALL 1161 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass); 1162 1163 /* ========================================================================= 1164 * The following defines a private JVM interface that the JDK can query 1165 * for the JVM version and capabilities. sun.misc.Version defines 1166 * the methods for getting the VM version and its capabilities. 1167 * 1168 * When a new bit is added, the following should be updated to provide 1169 * access to the new capability: 1170 * HS: JVM_GetVersionInfo and Abstract_VM_Version class 1171 * SDK: Version class 1172 * 1173 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for 1174 * JVM to query for the JDK version and capabilities. 1175 * 1176 * When a new bit is added, the following should be updated to provide 1177 * access to the new capability: 1178 * HS: JDK_Version class 1179 * SDK: JDK_GetVersionInfo0 1180 * 1181 * ========================================================================== 1182 */ 1183 typedef struct { 1184 /* VM version string: follows the JDK release version naming convention */ 1185 unsigned int jvm_version; /* <major_ver>.<minor_ver>.<micro_ver>[-<identifier>][-<debug_target>][-b<nn>] */ 1186 unsigned int update_version : 8; 1187 unsigned int special_update_version : 8; 1188 unsigned int reserved1 : 16; 1189 unsigned int reserved2; 1190 1191 /* The following bits represents JVM supports that JDK has dependency on. 1192 * JDK can use these bits to determine which JVM version 1193 * and support it has to maintain runtime compatibility. 1194 * 1195 * When a new bit is added in a minor or update release, make sure 1196 * the new bit is also added in the main/baseline. 1197 */ 1198 unsigned int is_attachable : 1; 1199 unsigned int : 31; 1200 unsigned int : 32; 1201 unsigned int : 32; 1202 } jvm_version_info; 1203 1204 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1205 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1206 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8) 1207 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF)) 1208 1209 JNIEXPORT void JNICALL 1210 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size); 1211 1212 typedef struct { 1213 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx 1214 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */ 1215 /* and build number (xx) */ 1216 unsigned int update_version : 8; /* Update release version (uu) */ 1217 unsigned int special_update_version : 8; /* Special update release version (c)*/ 1218 unsigned int reserved1 : 16; 1219 unsigned int reserved2; 1220 1221 /* The following bits represents new JDK supports that VM has dependency on. 1222 * VM implementation can use these bits to determine which JDK version 1223 * and support it has to maintain runtime compatibility. 1224 * 1225 * When a new bit is added in a minor or update release, make sure 1226 * the new bit is also added in the main/baseline. 1227 */ 1228 unsigned int thread_park_blocker : 1; 1229 unsigned int post_vm_init_hook_enabled : 1; 1230 unsigned int pending_list_uses_discovered_field : 1; 1231 unsigned int : 29; 1232 unsigned int : 32; 1233 unsigned int : 32; 1234 } jdk_version_info; 1235 1236 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) 1237 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) 1238 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8) 1239 1240 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN) 1241 * It will be zero for internal builds. 1242 */ 1243 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF)) 1244 1245 /* 1246 * This is the function JDK_GetVersionInfo0 defined in libjava.so 1247 * that is dynamically looked up by JVM. 1248 */ 1249 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size); 1250 1251 /* 1252 * This structure is used by the launcher to get the default thread 1253 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a 1254 * version of 1.1. As it is not supported otherwise, it has been removed 1255 * from jni.h 1256 */ 1257 typedef struct JDK1_1InitArgs { 1258 jint version; 1259 1260 char **properties; 1261 jint checkSource; 1262 jint nativeStackSize; 1263 jint javaStackSize; 1264 jint minHeapSize; 1265 jint maxHeapSize; 1266 jint verifyMode; 1267 char *classpath; 1268 1269 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args); 1270 void (JNICALL *exit)(jint code); 1271 void (JNICALL *abort)(void); 1272 1273 jint enableClassGC; 1274 jint enableVerboseGC; 1275 jint disableAsyncGC; 1276 jint verbose; 1277 jboolean debugging; 1278 jint debugPort; 1279 } JDK1_1InitArgs; 1280 1281 #ifdef __cplusplus 1282 } /* extern "C" */ 1283 #endif /* __cplusplus */ 1284 1285 #endif /* !_JAVASOFT_JVM_H_ */ 1286 1287 #endif // SHARE_VM_PRIMS_JVM_H