Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/prims/jvm.h@edd76a5856f7
src/share/vm/prims/jvm.h
Thu, 24 Jan 2013 22:13:32 -0800
- author
- sspitsyn
- date
- Thu, 24 Jan 2013 22:13:32 -0800
- changeset 4493
- edd76a5856f7
- parent 4466
- b14da2e6f2dc
- child 4499
- 815957d0203e
- permissions
- -rw-r--r--
8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
Summary: When constant pool is copied in merge_constant_pools the invokedynamic operands must be copied before.
Reviewed-by: coleenp, twisti
Contributed-by: serguei.spitsyn@oracle.com
1 /*
2 * Copyright (c) 1997, 2013, 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 */
25 #ifndef SHARE_VM_PRIMS_JVM_H
26 #define SHARE_VM_PRIMS_JVM_H
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_bsd
39 # include "jvm_bsd.h"
40 #endif
42 #ifndef _JAVASOFT_JVM_H_
43 #define _JAVASOFT_JVM_H_
45 // HotSpot integration note:
46 //
47 // This file and jvm.h used with the JDK are identical,
48 // except for the three includes removed below
50 // #include <sys/stat.h>
51 // #include "jni.h"
52 // #include "jvm_md.h"
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
59 /*
60 * This file contains additional functions exported from the VM.
61 * These functions are complementary to the standard JNI support.
62 * There are three parts to this file:
63 *
64 * First, this file contains the VM-related functions needed by native
65 * libraries in the standard Java API. For example, the java.lang.Object
66 * class needs VM-level functions that wait for and notify monitors.
67 *
68 * Second, this file contains the functions and constant definitions
69 * needed by the byte code verifier and class file format checker.
70 * These functions allow the verifier and format checker to be written
71 * in a VM-independent way.
72 *
73 * Third, this file contains various I/O and nerwork operations needed
74 * by the standard Java I/O and network APIs.
75 */
77 /*
78 * Bump the version number when either of the following happens:
79 *
80 * 1. There is a change in JVM_* functions.
81 *
82 * 2. There is a change in the contract between VM and Java classes.
83 * For example, if the VM relies on a new private field in Thread
84 * class.
85 */
87 #define JVM_INTERFACE_VERSION 4
89 JNIEXPORT jobjectArray JNICALL
90 JVM_GetMethodParameters(JNIEnv *env, jobject method);
92 JNIEXPORT jint JNICALL
93 JVM_GetInterfaceVersion(void);
95 /*************************************************************************
96 PART 1: Functions for Native Libraries
97 ************************************************************************/
98 /*
99 * java.lang.Object
100 */
101 JNIEXPORT jint JNICALL
102 JVM_IHashCode(JNIEnv *env, jobject obj);
104 JNIEXPORT void JNICALL
105 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
107 JNIEXPORT void JNICALL
108 JVM_MonitorNotify(JNIEnv *env, jobject obj);
110 JNIEXPORT void JNICALL
111 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
113 JNIEXPORT jobject JNICALL
114 JVM_Clone(JNIEnv *env, jobject obj);
116 /*
117 * java.lang.String
118 */
119 JNIEXPORT jstring JNICALL
120 JVM_InternString(JNIEnv *env, jstring str);
122 /*
123 * java.lang.System
124 */
125 JNIEXPORT jlong JNICALL
126 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
128 JNIEXPORT jlong JNICALL
129 JVM_NanoTime(JNIEnv *env, jclass ignored);
131 JNIEXPORT void JNICALL
132 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
133 jobject dst, jint dst_pos, jint length);
135 JNIEXPORT jobject JNICALL
136 JVM_InitProperties(JNIEnv *env, jobject p);
138 /*
139 * java.io.File
140 */
141 JNIEXPORT void JNICALL
142 JVM_OnExit(void (*func)(void));
144 /*
145 * java.lang.Runtime
146 */
147 JNIEXPORT void JNICALL
148 JVM_Exit(jint code);
150 JNIEXPORT void JNICALL
151 JVM_Halt(jint code);
153 JNIEXPORT void JNICALL
154 JVM_GC(void);
156 /* Returns the number of real-time milliseconds that have elapsed since the
157 * least-recently-inspected heap object was last inspected by the garbage
158 * collector.
159 *
160 * For simple stop-the-world collectors this value is just the time
161 * since the most recent collection. For generational collectors it is the
162 * time since the oldest generation was most recently collected. Other
163 * collectors are free to return a pessimistic estimate of the elapsed time, or
164 * simply the time since the last full collection was performed.
165 *
166 * Note that in the presence of reference objects, a given object that is no
167 * longer strongly reachable may have to be inspected multiple times before it
168 * can be reclaimed.
169 */
170 JNIEXPORT jlong JNICALL
171 JVM_MaxObjectInspectionAge(void);
173 JNIEXPORT void JNICALL
174 JVM_TraceInstructions(jboolean on);
176 JNIEXPORT void JNICALL
177 JVM_TraceMethodCalls(jboolean on);
179 JNIEXPORT jlong JNICALL
180 JVM_TotalMemory(void);
182 JNIEXPORT jlong JNICALL
183 JVM_FreeMemory(void);
185 JNIEXPORT jlong JNICALL
186 JVM_MaxMemory(void);
188 JNIEXPORT jint JNICALL
189 JVM_ActiveProcessorCount(void);
191 JNIEXPORT void * JNICALL
192 JVM_LoadLibrary(const char *name);
194 JNIEXPORT void JNICALL
195 JVM_UnloadLibrary(void * handle);
197 JNIEXPORT void * JNICALL
198 JVM_FindLibraryEntry(void *handle, const char *name);
200 JNIEXPORT jboolean JNICALL
201 JVM_IsSupportedJNIVersion(jint version);
203 /*
204 * java.lang.Float and java.lang.Double
205 */
206 JNIEXPORT jboolean JNICALL
207 JVM_IsNaN(jdouble d);
209 /*
210 * java.lang.Throwable
211 */
212 JNIEXPORT void JNICALL
213 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
215 JNIEXPORT jint JNICALL
216 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
218 JNIEXPORT jobject JNICALL
219 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
221 /*
222 * java.lang.Compiler
223 */
224 JNIEXPORT void JNICALL
225 JVM_InitializeCompiler (JNIEnv *env, jclass compCls);
227 JNIEXPORT jboolean JNICALL
228 JVM_IsSilentCompiler(JNIEnv *env, jclass compCls);
230 JNIEXPORT jboolean JNICALL
231 JVM_CompileClass(JNIEnv *env, jclass compCls, jclass cls);
233 JNIEXPORT jboolean JNICALL
234 JVM_CompileClasses(JNIEnv *env, jclass cls, jstring jname);
236 JNIEXPORT jobject JNICALL
237 JVM_CompilerCommand(JNIEnv *env, jclass compCls, jobject arg);
239 JNIEXPORT void JNICALL
240 JVM_EnableCompiler(JNIEnv *env, jclass compCls);
242 JNIEXPORT void JNICALL
243 JVM_DisableCompiler(JNIEnv *env, jclass compCls);
245 /*
246 * java.lang.Thread
247 */
248 JNIEXPORT void JNICALL
249 JVM_StartThread(JNIEnv *env, jobject thread);
251 JNIEXPORT void JNICALL
252 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
254 JNIEXPORT jboolean JNICALL
255 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
257 JNIEXPORT void JNICALL
258 JVM_SuspendThread(JNIEnv *env, jobject thread);
260 JNIEXPORT void JNICALL
261 JVM_ResumeThread(JNIEnv *env, jobject thread);
263 JNIEXPORT void JNICALL
264 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
266 JNIEXPORT void JNICALL
267 JVM_Yield(JNIEnv *env, jclass threadClass);
269 JNIEXPORT void JNICALL
270 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
272 JNIEXPORT jobject JNICALL
273 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
275 JNIEXPORT jint JNICALL
276 JVM_CountStackFrames(JNIEnv *env, jobject thread);
278 JNIEXPORT void JNICALL
279 JVM_Interrupt(JNIEnv *env, jobject thread);
281 JNIEXPORT jboolean JNICALL
282 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
284 JNIEXPORT jboolean JNICALL
285 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
287 JNIEXPORT void JNICALL
288 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
290 JNIEXPORT jobjectArray JNICALL
291 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
293 JNIEXPORT void JNICALL
294 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
296 /* getStackTrace() and getAllStackTraces() method */
297 JNIEXPORT jobjectArray JNICALL
298 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
300 /*
301 * java.lang.SecurityManager
302 */
303 JNIEXPORT jclass JNICALL
304 JVM_CurrentLoadedClass(JNIEnv *env);
306 JNIEXPORT jobject JNICALL
307 JVM_CurrentClassLoader(JNIEnv *env);
309 JNIEXPORT jobjectArray JNICALL
310 JVM_GetClassContext(JNIEnv *env);
312 JNIEXPORT jint JNICALL
313 JVM_ClassDepth(JNIEnv *env, jstring name);
315 JNIEXPORT jint JNICALL
316 JVM_ClassLoaderDepth(JNIEnv *env);
318 /*
319 * java.lang.Package
320 */
321 JNIEXPORT jstring JNICALL
322 JVM_GetSystemPackage(JNIEnv *env, jstring name);
324 JNIEXPORT jobjectArray JNICALL
325 JVM_GetSystemPackages(JNIEnv *env);
327 /*
328 * java.io.ObjectInputStream
329 */
330 JNIEXPORT jobject JNICALL
331 JVM_AllocateNewObject(JNIEnv *env, jobject obj, jclass currClass,
332 jclass initClass);
334 JNIEXPORT jobject JNICALL
335 JVM_AllocateNewArray(JNIEnv *env, jobject obj, jclass currClass,
336 jint length);
338 JNIEXPORT jobject JNICALL
339 JVM_LatestUserDefinedLoader(JNIEnv *env);
341 /*
342 * This function has been deprecated and should not be considered
343 * part of the specified JVM interface.
344 */
345 JNIEXPORT jclass JNICALL
346 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass,
347 jstring currClassName);
349 /*
350 * java.lang.reflect.Array
351 */
352 JNIEXPORT jint JNICALL
353 JVM_GetArrayLength(JNIEnv *env, jobject arr);
355 JNIEXPORT jobject JNICALL
356 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
358 JNIEXPORT jvalue JNICALL
359 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
361 JNIEXPORT void JNICALL
362 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
364 JNIEXPORT void JNICALL
365 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
366 unsigned char vCode);
368 JNIEXPORT jobject JNICALL
369 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
371 JNIEXPORT jobject JNICALL
372 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
374 /*
375 * java.lang.Class and java.lang.ClassLoader
376 */
377 /*
378 * Returns the class in which the code invoking the native method
379 * belongs.
380 *
381 * Note that in JDK 1.1, native methods did not create a frame.
382 * In 1.2, they do. Therefore native methods like Class.forName
383 * can no longer look at the current frame for the caller class.
384 */
385 JNIEXPORT jclass JNICALL
386 JVM_GetCallerClass(JNIEnv *env, int n);
388 /*
389 * Find primitive classes
390 * utf: class name
391 */
392 JNIEXPORT jclass JNICALL
393 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
395 /*
396 * Link the class
397 */
398 JNIEXPORT void JNICALL
399 JVM_ResolveClass(JNIEnv *env, jclass cls);
401 /*
402 * Find a class from a given class loader. Throw ClassNotFoundException
403 * or NoClassDefFoundError depending on the value of the last
404 * argument.
405 */
406 JNIEXPORT jclass JNICALL
407 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init,
408 jobject loader, jboolean throwError);
410 /*
411 * Find a class from a boot class loader. Returns NULL if class not found.
412 */
413 JNIEXPORT jclass JNICALL
414 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
416 /*
417 * Find a class from a given class.
418 */
419 JNIEXPORT jclass JNICALL
420 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
421 jclass from);
423 /* Find a loaded class cached by the VM */
424 JNIEXPORT jclass JNICALL
425 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
427 /* Define a class */
428 JNIEXPORT jclass JNICALL
429 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
430 jsize len, jobject pd);
432 /* Define a class with a source (added in JDK1.5) */
433 JNIEXPORT jclass JNICALL
434 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
435 const jbyte *buf, jsize len, jobject pd,
436 const char *source);
438 /* Define a class with a source with conditional verification (added HSX 14)
439 * -Xverify:all will verify anyway, -Xverify:none will not verify,
440 * -Xverify:remote (default) will obey this conditional
441 * i.e. true = should_verify_class
442 */
443 JNIEXPORT jclass JNICALL
444 JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name,
445 jobject loader, const jbyte *buf,
446 jsize len, jobject pd, const char *source,
447 jboolean verify);
449 /*
450 * Reflection support functions
451 */
453 JNIEXPORT jstring JNICALL
454 JVM_GetClassName(JNIEnv *env, jclass cls);
456 JNIEXPORT jobjectArray JNICALL
457 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
459 JNIEXPORT jobject JNICALL
460 JVM_GetClassLoader(JNIEnv *env, jclass cls);
462 JNIEXPORT jboolean JNICALL
463 JVM_IsInterface(JNIEnv *env, jclass cls);
465 JNIEXPORT jobjectArray JNICALL
466 JVM_GetClassSigners(JNIEnv *env, jclass cls);
468 JNIEXPORT void JNICALL
469 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
471 JNIEXPORT jobject JNICALL
472 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
474 JNIEXPORT void JNICALL
475 JVM_SetProtectionDomain(JNIEnv *env, jclass cls, jobject protection_domain);
477 JNIEXPORT jboolean JNICALL
478 JVM_IsArrayClass(JNIEnv *env, jclass cls);
480 JNIEXPORT jboolean JNICALL
481 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
483 JNIEXPORT jclass JNICALL
484 JVM_GetComponentType(JNIEnv *env, jclass cls);
486 JNIEXPORT jint JNICALL
487 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
489 JNIEXPORT jobjectArray JNICALL
490 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
492 JNIEXPORT jclass JNICALL
493 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
495 /* Generics support (JDK 1.5) */
496 JNIEXPORT jstring JNICALL
497 JVM_GetClassSignature(JNIEnv *env, jclass cls);
499 /* Annotations support (JDK 1.5) */
500 JNIEXPORT jbyteArray JNICALL
501 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
503 /* Annotations support (JDK 1.6) */
505 // field is a handle to a java.lang.reflect.Field object
506 JNIEXPORT jbyteArray JNICALL
507 JVM_GetFieldAnnotations(JNIEnv *env, jobject field);
509 // method is a handle to a java.lang.reflect.Method object
510 JNIEXPORT jbyteArray JNICALL
511 JVM_GetMethodAnnotations(JNIEnv *env, jobject method);
513 // method is a handle to a java.lang.reflect.Method object
514 JNIEXPORT jbyteArray JNICALL
515 JVM_GetMethodDefaultAnnotationValue(JNIEnv *env, jobject method);
517 // method is a handle to a java.lang.reflect.Method object
518 JNIEXPORT jbyteArray JNICALL
519 JVM_GetMethodParameterAnnotations(JNIEnv *env, jobject method);
521 /* Type use annotations support (JDK 1.8) */
523 JNIEXPORT jbyteArray JNICALL
524 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls);
526 /*
527 * New (JDK 1.4) reflection implementation
528 */
530 JNIEXPORT jobjectArray JNICALL
531 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
533 JNIEXPORT jobjectArray JNICALL
534 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
536 JNIEXPORT jobjectArray JNICALL
537 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
539 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
540 This returns the access flags for the class as specified in the
541 class file rather than searching the InnerClasses attribute (if
542 present) to find the source-level access flags. Only the values of
543 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
544 valid. */
545 JNIEXPORT jint JNICALL
546 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
548 /*
549 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
550 */
552 JNIEXPORT jobject JNICALL
553 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
555 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
556 (JNIEnv *env, jobject obj, jobject unused);
558 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
559 (JNIEnv *env, jobject obj, jobject unused, jint index);
561 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
562 (JNIEnv *env, jobject obj, jobject unused, jint index);
564 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
565 (JNIEnv *env, jobject obj, jobject unused, jint index);
567 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
568 (JNIEnv *env, jobject obj, jobject unused, jint index);
570 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
571 (JNIEnv *env, jobject obj, jobject unused, jint index);
573 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
574 (JNIEnv *env, jobject obj, jobject unused, jint index);
576 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
577 (JNIEnv *env, jobject obj, jobject unused, jint index);
579 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
580 (JNIEnv *env, jobject obj, jobject unused, jint index);
582 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
583 (JNIEnv *env, jobject obj, jobject unused, jint index);
585 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
586 (JNIEnv *env, jobject obj, jobject unused, jint index);
588 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
589 (JNIEnv *env, jobject obj, jobject unused, jint index);
591 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
592 (JNIEnv *env, jobject obj, jobject unused, jint index);
594 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
595 (JNIEnv *env, jobject obj, jobject unused, jint index);
597 /*
598 * java.security.*
599 */
601 JNIEXPORT jobject JNICALL
602 JVM_DoPrivileged(JNIEnv *env, jclass cls,
603 jobject action, jobject context, jboolean wrapException);
605 JNIEXPORT jobject JNICALL
606 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
608 JNIEXPORT jobject JNICALL
609 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
611 /*
612 * Signal support, used to implement the shutdown sequence. Every VM must
613 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
614 * (^C) and the latter for external termination (kill, system shutdown, etc.).
615 * Other platform-dependent signal values may also be supported.
616 */
618 JNIEXPORT void * JNICALL
619 JVM_RegisterSignal(jint sig, void *handler);
621 JNIEXPORT jboolean JNICALL
622 JVM_RaiseSignal(jint sig);
624 JNIEXPORT jint JNICALL
625 JVM_FindSignal(const char *name);
627 /*
628 * Retrieve the assertion directives for the specified class.
629 */
630 JNIEXPORT jboolean JNICALL
631 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
633 /*
634 * Retrieve the assertion directives from the VM.
635 */
636 JNIEXPORT jobject JNICALL
637 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
639 /*
640 * java.util.concurrent.atomic.AtomicLong
641 */
642 JNIEXPORT jboolean JNICALL
643 JVM_SupportsCX8(void);
645 JNIEXPORT jboolean JNICALL
646 JVM_CX8Field(JNIEnv *env, jobject obj, jfieldID fldID, jlong oldVal, jlong newVal);
648 /*
649 * com.sun.dtrace.jsdt support
650 */
652 #define JVM_TRACING_DTRACE_VERSION 1
654 /*
655 * Structure to pass one probe description to JVM.
656 *
657 * The VM will overwrite the definition of the referenced method with
658 * code that will fire the probe.
659 */
660 typedef struct {
661 jmethodID method;
662 jstring function;
663 jstring name;
664 void* reserved[4]; // for future use
665 } JVM_DTraceProbe;
667 /**
668 * Encapsulates the stability ratings for a DTrace provider field
669 */
670 typedef struct {
671 jint nameStability;
672 jint dataStability;
673 jint dependencyClass;
674 } JVM_DTraceInterfaceAttributes;
676 /*
677 * Structure to pass one provider description to JVM
678 */
679 typedef struct {
680 jstring name;
681 JVM_DTraceProbe* probes;
682 jint probe_count;
683 JVM_DTraceInterfaceAttributes providerAttributes;
684 JVM_DTraceInterfaceAttributes moduleAttributes;
685 JVM_DTraceInterfaceAttributes functionAttributes;
686 JVM_DTraceInterfaceAttributes nameAttributes;
687 JVM_DTraceInterfaceAttributes argsAttributes;
688 void* reserved[4]; // for future use
689 } JVM_DTraceProvider;
691 /*
692 * Get the version number the JVM was built with
693 */
694 JNIEXPORT jint JNICALL
695 JVM_DTraceGetVersion(JNIEnv* env);
697 /*
698 * Register new probe with given signature, return global handle
699 *
700 * The version passed in is the version that the library code was
701 * built with.
702 */
703 JNIEXPORT jlong JNICALL
704 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name,
705 jint providers_count, JVM_DTraceProvider* providers);
707 /*
708 * Check JSDT probe
709 */
710 JNIEXPORT jboolean JNICALL
711 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method);
713 /*
714 * Destroy custom DOF
715 */
716 JNIEXPORT void JNICALL
717 JVM_DTraceDispose(JNIEnv* env, jlong handle);
719 /*
720 * Check to see if DTrace is supported by OS
721 */
722 JNIEXPORT jboolean JNICALL
723 JVM_DTraceIsSupported(JNIEnv* env);
725 /*************************************************************************
726 PART 2: Support for the Verifier and Class File Format Checker
727 ************************************************************************/
728 /*
729 * Return the class name in UTF format. The result is valid
730 * until JVM_ReleaseUTf is called.
731 *
732 * The caller must treat the string as a constant and not modify it
733 * in any way.
734 */
735 JNIEXPORT const char * JNICALL
736 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
738 /*
739 * Returns the constant pool types in the buffer provided by "types."
740 */
741 JNIEXPORT void JNICALL
742 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
744 /*
745 * Returns the number of Constant Pool entries.
746 */
747 JNIEXPORT jint JNICALL
748 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
750 /*
751 * Returns the number of *declared* fields or methods.
752 */
753 JNIEXPORT jint JNICALL
754 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
756 JNIEXPORT jint JNICALL
757 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
759 /*
760 * Returns the CP indexes of exceptions raised by a given method.
761 * Places the result in the given buffer.
762 *
763 * The method is identified by method_index.
764 */
765 JNIEXPORT void JNICALL
766 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
767 unsigned short *exceptions);
768 /*
769 * Returns the number of exceptions raised by a given method.
770 * The method is identified by method_index.
771 */
772 JNIEXPORT jint JNICALL
773 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
775 /*
776 * Returns the byte code sequence of a given method.
777 * Places the result in the given buffer.
778 *
779 * The method is identified by method_index.
780 */
781 JNIEXPORT void JNICALL
782 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
783 unsigned char *code);
785 /*
786 * Returns the length of the byte code sequence of a given method.
787 * The method is identified by method_index.
788 */
789 JNIEXPORT jint JNICALL
790 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
792 /*
793 * A structure used to a capture exception table entry in a Java method.
794 */
795 typedef struct {
796 jint start_pc;
797 jint end_pc;
798 jint handler_pc;
799 jint catchType;
800 } JVM_ExceptionTableEntryType;
802 /*
803 * Returns the exception table entry at entry_index of a given method.
804 * Places the result in the given buffer.
805 *
806 * The method is identified by method_index.
807 */
808 JNIEXPORT void JNICALL
809 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
810 jint entry_index,
811 JVM_ExceptionTableEntryType *entry);
813 /*
814 * Returns the length of the exception table of a given method.
815 * The method is identified by method_index.
816 */
817 JNIEXPORT jint JNICALL
818 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
820 /*
821 * Returns the modifiers of a given field.
822 * The field is identified by field_index.
823 */
824 JNIEXPORT jint JNICALL
825 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
827 /*
828 * Returns the modifiers of a given method.
829 * The method is identified by method_index.
830 */
831 JNIEXPORT jint JNICALL
832 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
834 /*
835 * Returns the number of local variables of a given method.
836 * The method is identified by method_index.
837 */
838 JNIEXPORT jint JNICALL
839 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
841 /*
842 * Returns the number of arguments (including this pointer) of a given method.
843 * The method is identified by method_index.
844 */
845 JNIEXPORT jint JNICALL
846 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
848 /*
849 * Returns the maximum amount of stack (in words) used by a given method.
850 * The method is identified by method_index.
851 */
852 JNIEXPORT jint JNICALL
853 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
855 /*
856 * Is a given method a constructor.
857 * The method is identified by method_index.
858 */
859 JNIEXPORT jboolean JNICALL
860 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
862 /*
863 * Returns the name of a given method in UTF format.
864 * The result remains valid until JVM_ReleaseUTF is called.
865 *
866 * The caller must treat the string as a constant and not modify it
867 * in any way.
868 */
869 JNIEXPORT const char * JNICALL
870 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
872 /*
873 * Returns the signature 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_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
882 /*
883 * Returns the name of the field refered to at a given constant pool
884 * index.
885 *
886 * The result is in UTF format and remains valid until JVM_ReleaseUTF
887 * is called.
888 *
889 * The caller must treat the string as a constant and not modify it
890 * in any way.
891 */
892 JNIEXPORT const char * JNICALL
893 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
895 /*
896 * Returns the name of the method refered to at a given constant pool
897 * index.
898 *
899 * The result is in UTF format and remains valid until JVM_ReleaseUTF
900 * is called.
901 *
902 * The caller must treat the string as a constant and not modify it
903 * in any way.
904 */
905 JNIEXPORT const char * JNICALL
906 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
908 /*
909 * Returns the signature of the method refered to at a given constant pool
910 * index.
911 *
912 * The result is in UTF format and remains valid until JVM_ReleaseUTF
913 * is called.
914 *
915 * The caller must treat the string as a constant and not modify it
916 * in any way.
917 */
918 JNIEXPORT const char * JNICALL
919 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
921 /*
922 * Returns the signature of the field refered to at a given constant pool
923 * index.
924 *
925 * The result is in UTF format and remains valid until JVM_ReleaseUTF
926 * is called.
927 *
928 * The caller must treat the string as a constant and not modify it
929 * in any way.
930 */
931 JNIEXPORT const char * JNICALL
932 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
934 /*
935 * Returns the class name refered to at a given constant pool index.
936 *
937 * The result is in UTF format and remains valid until JVM_ReleaseUTF
938 * is called.
939 *
940 * The caller must treat the string as a constant and not modify it
941 * in any way.
942 */
943 JNIEXPORT const char * JNICALL
944 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
946 /*
947 * Returns the class name refered to at a given constant pool index.
948 *
949 * The constant pool entry must refer to a CONSTANT_Fieldref.
950 *
951 * The result is in UTF format and remains valid until JVM_ReleaseUTF
952 * is called.
953 *
954 * The caller must treat the string as a constant and not modify it
955 * in any way.
956 */
957 JNIEXPORT const char * JNICALL
958 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
960 /*
961 * Returns the class name refered to at a given constant pool index.
962 *
963 * The constant pool entry must refer to CONSTANT_Methodref or
964 * CONSTANT_InterfaceMethodref.
965 *
966 * The result is in UTF format and remains valid until JVM_ReleaseUTF
967 * is called.
968 *
969 * The caller must treat the string as a constant and not modify it
970 * in any way.
971 */
972 JNIEXPORT const char * JNICALL
973 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
975 /*
976 * Returns the modifiers of a field in calledClass. The field is
977 * referred to in class cb at constant pool entry index.
978 *
979 * The caller must treat the string as a constant and not modify it
980 * in any way.
981 *
982 * Returns -1 if the field does not exist in calledClass.
983 */
984 JNIEXPORT jint JNICALL
985 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
987 /*
988 * Returns the modifiers of a method in calledClass. The method is
989 * referred to in class cb at constant pool entry index.
990 *
991 * Returns -1 if the method does not exist in calledClass.
992 */
993 JNIEXPORT jint JNICALL
994 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
996 /*
997 * Releases the UTF string obtained from the VM.
998 */
999 JNIEXPORT void JNICALL
1000 JVM_ReleaseUTF(const char *utf);
1002 /*
1003 * Compare if two classes are in the same package.
1004 */
1005 JNIEXPORT jboolean JNICALL
1006 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
1008 /* Constants in class files */
1010 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
1011 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
1012 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
1013 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
1014 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
1015 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
1016 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
1017 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
1018 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
1019 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
1020 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
1021 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
1022 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
1023 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
1024 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
1025 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
1026 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
1027 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
1029 #define JVM_ACC_PUBLIC_BIT 0
1030 #define JVM_ACC_PRIVATE_BIT 1
1031 #define JVM_ACC_PROTECTED_BIT 2
1032 #define JVM_ACC_STATIC_BIT 3
1033 #define JVM_ACC_FINAL_BIT 4
1034 #define JVM_ACC_SYNCHRONIZED_BIT 5
1035 #define JVM_ACC_SUPER_BIT 5
1036 #define JVM_ACC_VOLATILE_BIT 6
1037 #define JVM_ACC_BRIDGE_BIT 6
1038 #define JVM_ACC_TRANSIENT_BIT 7
1039 #define JVM_ACC_VARARGS_BIT 7
1040 #define JVM_ACC_NATIVE_BIT 8
1041 #define JVM_ACC_INTERFACE_BIT 9
1042 #define JVM_ACC_ABSTRACT_BIT 10
1043 #define JVM_ACC_STRICT_BIT 11
1044 #define JVM_ACC_SYNTHETIC_BIT 12
1045 #define JVM_ACC_ANNOTATION_BIT 13
1046 #define JVM_ACC_ENUM_BIT 14
1048 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
1049 enum {
1050 JVM_CONSTANT_Utf8 = 1,
1051 JVM_CONSTANT_Unicode, /* unused */
1052 JVM_CONSTANT_Integer,
1053 JVM_CONSTANT_Float,
1054 JVM_CONSTANT_Long,
1055 JVM_CONSTANT_Double,
1056 JVM_CONSTANT_Class,
1057 JVM_CONSTANT_String,
1058 JVM_CONSTANT_Fieldref,
1059 JVM_CONSTANT_Methodref,
1060 JVM_CONSTANT_InterfaceMethodref,
1061 JVM_CONSTANT_NameAndType,
1062 JVM_CONSTANT_MethodHandle = 15, // JSR 292
1063 JVM_CONSTANT_MethodType = 16, // JSR 292
1064 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only
1065 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292
1066 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles
1067 };
1069 /* JVM_CONSTANT_MethodHandle subtypes */
1070 enum {
1071 JVM_REF_getField = 1,
1072 JVM_REF_getStatic = 2,
1073 JVM_REF_putField = 3,
1074 JVM_REF_putStatic = 4,
1075 JVM_REF_invokeVirtual = 5,
1076 JVM_REF_invokeStatic = 6,
1077 JVM_REF_invokeSpecial = 7,
1078 JVM_REF_newInvokeSpecial = 8,
1079 JVM_REF_invokeInterface = 9
1080 };
1082 /* Used in the newarray instruction. */
1084 #define JVM_T_BOOLEAN 4
1085 #define JVM_T_CHAR 5
1086 #define JVM_T_FLOAT 6
1087 #define JVM_T_DOUBLE 7
1088 #define JVM_T_BYTE 8
1089 #define JVM_T_SHORT 9
1090 #define JVM_T_INT 10
1091 #define JVM_T_LONG 11
1093 /* JVM method signatures */
1095 #define JVM_SIGNATURE_ARRAY '['
1096 #define JVM_SIGNATURE_BYTE 'B'
1097 #define JVM_SIGNATURE_CHAR 'C'
1098 #define JVM_SIGNATURE_CLASS 'L'
1099 #define JVM_SIGNATURE_ENDCLASS ';'
1100 #define JVM_SIGNATURE_ENUM 'E'
1101 #define JVM_SIGNATURE_FLOAT 'F'
1102 #define JVM_SIGNATURE_DOUBLE 'D'
1103 #define JVM_SIGNATURE_FUNC '('
1104 #define JVM_SIGNATURE_ENDFUNC ')'
1105 #define JVM_SIGNATURE_INT 'I'
1106 #define JVM_SIGNATURE_LONG 'J'
1107 #define JVM_SIGNATURE_SHORT 'S'
1108 #define JVM_SIGNATURE_VOID 'V'
1109 #define JVM_SIGNATURE_BOOLEAN 'Z'
1111 /*
1112 * A function defined by the byte-code verifier and called by the VM.
1113 * This is not a function implemented in the VM.
1114 *
1115 * Returns JNI_FALSE if verification fails. A detailed error message
1116 * will be places in msg_buf, whose length is specified by buf_len.
1117 */
1118 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1119 jclass cb,
1120 char * msg_buf,
1121 jint buf_len);
1124 /*
1125 * Support for a VM-independent class format checker.
1126 */
1127 typedef struct {
1128 unsigned long code; /* byte code */
1129 unsigned long excs; /* exceptions */
1130 unsigned long etab; /* catch table */
1131 unsigned long lnum; /* line number */
1132 unsigned long lvar; /* local vars */
1133 } method_size_info;
1135 typedef struct {
1136 unsigned int constants; /* constant pool */
1137 unsigned int fields;
1138 unsigned int methods;
1139 unsigned int interfaces;
1140 unsigned int fields2; /* number of static 2-word fields */
1141 unsigned int innerclasses; /* # of records in InnerClasses attr */
1143 method_size_info clinit; /* memory used in clinit */
1144 method_size_info main; /* used everywhere else */
1145 } class_size_info;
1147 /*
1148 * Functions defined in libjava.so to perform string conversions.
1149 *
1150 */
1152 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1154 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1156 /* This is the function defined in libjava.so that performs class
1157 * format checks. This functions fills in size information about
1158 * the class file and returns:
1159 *
1160 * 0: good
1161 * -1: out of memory
1162 * -2: bad format
1163 * -3: unsupported version
1164 * -4: bad class name
1165 */
1167 typedef jint (*check_format_fn_t)(char *class_name,
1168 unsigned char *data,
1169 unsigned int data_size,
1170 class_size_info *class_size,
1171 char *message_buffer,
1172 jint buffer_length,
1173 jboolean measure_only,
1174 jboolean check_relaxed);
1176 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1177 JVM_ACC_FINAL | \
1178 JVM_ACC_SUPER | \
1179 JVM_ACC_INTERFACE | \
1180 JVM_ACC_ABSTRACT | \
1181 JVM_ACC_ANNOTATION | \
1182 JVM_ACC_ENUM | \
1183 JVM_ACC_SYNTHETIC)
1185 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1186 JVM_ACC_PRIVATE | \
1187 JVM_ACC_PROTECTED | \
1188 JVM_ACC_STATIC | \
1189 JVM_ACC_FINAL | \
1190 JVM_ACC_VOLATILE | \
1191 JVM_ACC_TRANSIENT | \
1192 JVM_ACC_ENUM | \
1193 JVM_ACC_SYNTHETIC)
1195 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1196 JVM_ACC_PRIVATE | \
1197 JVM_ACC_PROTECTED | \
1198 JVM_ACC_STATIC | \
1199 JVM_ACC_FINAL | \
1200 JVM_ACC_SYNCHRONIZED | \
1201 JVM_ACC_BRIDGE | \
1202 JVM_ACC_VARARGS | \
1203 JVM_ACC_NATIVE | \
1204 JVM_ACC_ABSTRACT | \
1205 JVM_ACC_STRICT | \
1206 JVM_ACC_SYNTHETIC)
1208 /*
1209 * This is the function defined in libjava.so to perform path
1210 * canonicalization. VM call this function before opening jar files
1211 * to load system classes.
1212 *
1213 */
1215 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1217 /*************************************************************************
1218 PART 3: I/O and Network Support
1219 ************************************************************************/
1221 /* Note that the JVM IO functions are expected to return JVM_IO_ERR
1222 * when there is any kind of error. The caller can then use the
1223 * platform specific support (e.g., errno) to get the detailed
1224 * error info. The JVM_GetLastErrorString procedure may also be used
1225 * to obtain a descriptive error string.
1226 */
1227 #define JVM_IO_ERR (-1)
1229 /* For interruptible IO. Returning JVM_IO_INTR indicates that an IO
1230 * operation has been disrupted by Thread.interrupt. There are a
1231 * number of technical difficulties related to interruptible IO that
1232 * need to be solved. For example, most existing programs do not handle
1233 * InterruptedIOExceptions specially, they simply treat those as any
1234 * IOExceptions, which typically indicate fatal errors.
1235 *
1236 * There are also two modes of operation for interruptible IO. In the
1237 * resumption mode, an interrupted IO operation is guaranteed not to
1238 * have any side-effects, and can be restarted. In the termination mode,
1239 * an interrupted IO operation corrupts the underlying IO stream, so
1240 * that the only reasonable operation on an interrupted stream is to
1241 * close that stream. The resumption mode seems to be impossible to
1242 * implement on Win32 and Solaris. Implementing the termination mode is
1243 * easier, but it's not clear that's the right semantics.
1244 *
1245 * Interruptible IO is not supported on Win32.It can be enabled/disabled
1246 * using a compile-time flag on Solaris. Third-party JVM ports do not
1247 * need to implement interruptible IO.
1248 */
1249 #define JVM_IO_INTR (-2)
1251 /* Write a string into the given buffer, in the platform's local encoding,
1252 * that describes the most recent system-level error to occur in this thread.
1253 * Return the length of the string or zero if no error occurred.
1254 */
1255 JNIEXPORT jint JNICALL
1256 JVM_GetLastErrorString(char *buf, int len);
1258 /*
1259 * Convert a pathname into native format. This function does syntactic
1260 * cleanup, such as removing redundant separator characters. It modifies
1261 * the given pathname string in place.
1262 */
1263 JNIEXPORT char * JNICALL
1264 JVM_NativePath(char *);
1266 /*
1267 * JVM I/O error codes
1268 */
1269 #define JVM_EEXIST -100
1271 /*
1272 * Open a file descriptor. This function returns a negative error code
1273 * on error, and a non-negative integer that is the file descriptor on
1274 * success.
1275 */
1276 JNIEXPORT jint JNICALL
1277 JVM_Open(const char *fname, jint flags, jint mode);
1279 /*
1280 * Close a file descriptor. This function returns -1 on error, and 0
1281 * on success.
1282 *
1283 * fd the file descriptor to close.
1284 */
1285 JNIEXPORT jint JNICALL
1286 JVM_Close(jint fd);
1288 /*
1289 * Read data from a file decriptor into a char array.
1290 *
1291 * fd the file descriptor to read from.
1292 * buf the buffer where to put the read data.
1293 * nbytes the number of bytes to read.
1294 *
1295 * This function returns -1 on error, and 0 on success.
1296 */
1297 JNIEXPORT jint JNICALL
1298 JVM_Read(jint fd, char *buf, jint nbytes);
1300 /*
1301 * Write data from a char array to a file decriptor.
1302 *
1303 * fd the file descriptor to read from.
1304 * buf the buffer from which to fetch the data.
1305 * nbytes the number of bytes to write.
1306 *
1307 * This function returns -1 on error, and 0 on success.
1308 */
1309 JNIEXPORT jint JNICALL
1310 JVM_Write(jint fd, char *buf, jint nbytes);
1312 /*
1313 * Returns the number of bytes available for reading from a given file
1314 * descriptor
1315 */
1316 JNIEXPORT jint JNICALL
1317 JVM_Available(jint fd, jlong *pbytes);
1319 /*
1320 * Move the file descriptor pointer from whence by offset.
1321 *
1322 * fd the file descriptor to move.
1323 * offset the number of bytes to move it by.
1324 * whence the start from where to move it.
1325 *
1326 * This function returns the resulting pointer location.
1327 */
1328 JNIEXPORT jlong JNICALL
1329 JVM_Lseek(jint fd, jlong offset, jint whence);
1331 /*
1332 * Set the length of the file associated with the given descriptor to the given
1333 * length. If the new length is longer than the current length then the file
1334 * is extended; the contents of the extended portion are not defined. The
1335 * value of the file pointer is undefined after this procedure returns.
1336 */
1337 JNIEXPORT jint JNICALL
1338 JVM_SetLength(jint fd, jlong length);
1340 /*
1341 * Synchronize the file descriptor's in memory state with that of the
1342 * physical device. Return of -1 is an error, 0 is OK.
1343 */
1344 JNIEXPORT jint JNICALL
1345 JVM_Sync(jint fd);
1347 /*
1348 * Networking library support
1349 */
1351 JNIEXPORT jint JNICALL
1352 JVM_InitializeSocketLibrary(void);
1354 struct sockaddr;
1356 JNIEXPORT jint JNICALL
1357 JVM_Socket(jint domain, jint type, jint protocol);
1359 JNIEXPORT jint JNICALL
1360 JVM_SocketClose(jint fd);
1362 JNIEXPORT jint JNICALL
1363 JVM_SocketShutdown(jint fd, jint howto);
1365 JNIEXPORT jint JNICALL
1366 JVM_Recv(jint fd, char *buf, jint nBytes, jint flags);
1368 JNIEXPORT jint JNICALL
1369 JVM_Send(jint fd, char *buf, jint nBytes, jint flags);
1371 JNIEXPORT jint JNICALL
1372 JVM_Timeout(int fd, long timeout);
1374 JNIEXPORT jint JNICALL
1375 JVM_Listen(jint fd, jint count);
1377 JNIEXPORT jint JNICALL
1378 JVM_Connect(jint fd, struct sockaddr *him, jint len);
1380 JNIEXPORT jint JNICALL
1381 JVM_Bind(jint fd, struct sockaddr *him, jint len);
1383 JNIEXPORT jint JNICALL
1384 JVM_Accept(jint fd, struct sockaddr *him, jint *len);
1386 JNIEXPORT jint JNICALL
1387 JVM_RecvFrom(jint fd, char *buf, int nBytes,
1388 int flags, struct sockaddr *from, int *fromlen);
1390 JNIEXPORT jint JNICALL
1391 JVM_SendTo(jint fd, char *buf, int len,
1392 int flags, struct sockaddr *to, int tolen);
1394 JNIEXPORT jint JNICALL
1395 JVM_SocketAvailable(jint fd, jint *result);
1398 JNIEXPORT jint JNICALL
1399 JVM_GetSockName(jint fd, struct sockaddr *him, int *len);
1401 JNIEXPORT jint JNICALL
1402 JVM_GetSockOpt(jint fd, int level, int optname, char *optval, int *optlen);
1404 JNIEXPORT jint JNICALL
1405 JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen);
1407 JNIEXPORT int JNICALL
1408 JVM_GetHostName(char* name, int namelen);
1410 /*
1411 * The standard printing functions supported by the Java VM. (Should they
1412 * be renamed to JVM_* in the future?
1413 */
1415 /*
1416 * BE CAREFUL! The following functions do not implement the
1417 * full feature set of standard C printf formats.
1418 */
1419 JNIEXPORT int
1420 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1422 JNIEXPORT int
1423 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1425 JNIEXPORT int
1426 jio_fprintf(FILE *, const char *fmt, ...);
1428 JNIEXPORT int
1429 jio_vfprintf(FILE *, const char *fmt, va_list args);
1432 JNIEXPORT void * JNICALL
1433 JVM_RawMonitorCreate(void);
1435 JNIEXPORT void JNICALL
1436 JVM_RawMonitorDestroy(void *mon);
1438 JNIEXPORT jint JNICALL
1439 JVM_RawMonitorEnter(void *mon);
1441 JNIEXPORT void JNICALL
1442 JVM_RawMonitorExit(void *mon);
1444 /*
1445 * java.lang.reflect.Method
1446 */
1447 JNIEXPORT jobject JNICALL
1448 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1450 /*
1451 * java.lang.reflect.Constructor
1452 */
1453 JNIEXPORT jobject JNICALL
1454 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1456 /*
1457 * java.lang.management support
1458 */
1459 JNIEXPORT void* JNICALL
1460 JVM_GetManagement(jint version);
1462 /*
1463 * com.sun.tools.attach.VirtualMachine support
1464 *
1465 * Initialize the agent properties with the properties maintained in the VM.
1466 */
1467 JNIEXPORT jobject JNICALL
1468 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1470 /* Generics reflection support.
1471 *
1472 * Returns information about the given class's EnclosingMethod
1473 * attribute, if present, or null if the class had no enclosing
1474 * method.
1475 *
1476 * If non-null, the returned array contains three elements. Element 0
1477 * is the java.lang.Class of which the enclosing method is a member,
1478 * and elements 1 and 2 are the java.lang.Strings for the enclosing
1479 * method's name and descriptor, respectively.
1480 */
1481 JNIEXPORT jobjectArray JNICALL
1482 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1484 /*
1485 * Java thread state support
1486 */
1487 enum {
1488 JAVA_THREAD_STATE_NEW = 0,
1489 JAVA_THREAD_STATE_RUNNABLE = 1,
1490 JAVA_THREAD_STATE_BLOCKED = 2,
1491 JAVA_THREAD_STATE_WAITING = 3,
1492 JAVA_THREAD_STATE_TIMED_WAITING = 4,
1493 JAVA_THREAD_STATE_TERMINATED = 5,
1494 JAVA_THREAD_STATE_COUNT = 6
1495 };
1497 /*
1498 * Returns an array of the threadStatus values representing the
1499 * given Java thread state. Returns NULL if the VM version is
1500 * incompatible with the JDK or doesn't support the given
1501 * Java thread state.
1502 */
1503 JNIEXPORT jintArray JNICALL
1504 JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState);
1506 /*
1507 * Returns an array of the substate names representing the
1508 * given Java thread state. Returns NULL if the VM version is
1509 * incompatible with the JDK or the VM doesn't support
1510 * the given Java thread state.
1511 * values must be the jintArray returned from JVM_GetThreadStateValues
1512 * and javaThreadState.
1513 */
1514 JNIEXPORT jobjectArray JNICALL
1515 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values);
1517 /* =========================================================================
1518 * The following defines a private JVM interface that the JDK can query
1519 * for the JVM version and capabilities. sun.misc.Version defines
1520 * the methods for getting the VM version and its capabilities.
1521 *
1522 * When a new bit is added, the following should be updated to provide
1523 * access to the new capability:
1524 * HS: JVM_GetVersionInfo and Abstract_VM_Version class
1525 * SDK: Version class
1526 *
1527 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1528 * JVM to query for the JDK version and capabilities.
1529 *
1530 * When a new bit is added, the following should be updated to provide
1531 * access to the new capability:
1532 * HS: JDK_Version class
1533 * SDK: JDK_GetVersionInfo0
1534 *
1535 * ==========================================================================
1536 */
1537 typedef struct {
1538 /* HotSpot Express VM version string:
1539 * <major>.<minor>-bxx[-<identifier>][-<debug_flavor>]
1540 */
1541 unsigned int jvm_version; /* Consists of major.minor.0.build */
1542 unsigned int update_version : 8; /* 0 in HotSpot Express VM */
1543 unsigned int special_update_version : 8; /* 0 in HotSpot Express VM */
1544 unsigned int reserved1 : 16;
1545 unsigned int reserved2;
1547 /* The following bits represents JVM supports that JDK has dependency on.
1548 * JDK can use these bits to determine which JVM version
1549 * and support it has to maintain runtime compatibility.
1550 *
1551 * When a new bit is added in a minor or update release, make sure
1552 * the new bit is also added in the main/baseline.
1553 */
1554 unsigned int is_attachable : 1;
1555 unsigned int is_kernel_jvm : 1;
1556 unsigned int : 30;
1557 unsigned int : 32;
1558 unsigned int : 32;
1559 } jvm_version_info;
1561 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1562 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1563 // Micro version is 0 in HotSpot Express VM (set in jvm.cpp).
1564 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1565 /* Build number is available in all HotSpot Express VM builds.
1566 * It is defined in make/hotspot_version file.
1567 */
1568 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1570 JNIEXPORT void JNICALL
1571 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1573 typedef struct {
1574 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1575 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */
1576 /* and build number (xx) */
1577 unsigned int update_version : 8; /* Update release version (uu) */
1578 unsigned int special_update_version : 8; /* Special update release version (c)*/
1579 unsigned int reserved1 : 16;
1580 unsigned int reserved2;
1582 /* The following bits represents new JDK supports that VM has dependency on.
1583 * VM implementation can use these bits to determine which JDK version
1584 * and support it has to maintain runtime compatibility.
1585 *
1586 * When a new bit is added in a minor or update release, make sure
1587 * the new bit is also added in the main/baseline.
1588 */
1589 unsigned int thread_park_blocker : 1;
1590 unsigned int post_vm_init_hook_enabled : 1;
1591 unsigned int pending_list_uses_discovered_field : 1;
1592 unsigned int : 29;
1593 unsigned int : 32;
1594 unsigned int : 32;
1595 } jdk_version_info;
1597 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1598 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1599 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1601 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1602 * It will be zero for internal builds.
1603 */
1604 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1606 /*
1607 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1608 * that is dynamically looked up by JVM.
1609 */
1610 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1612 /*
1613 * This structure is used by the launcher to get the default thread
1614 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1615 * version of 1.1. As it is not supported otherwise, it has been removed
1616 * from jni.h
1617 */
1618 typedef struct JDK1_1InitArgs {
1619 jint version;
1621 char **properties;
1622 jint checkSource;
1623 jint nativeStackSize;
1624 jint javaStackSize;
1625 jint minHeapSize;
1626 jint maxHeapSize;
1627 jint verifyMode;
1628 char *classpath;
1630 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1631 void (JNICALL *exit)(jint code);
1632 void (JNICALL *abort)(void);
1634 jint enableClassGC;
1635 jint enableVerboseGC;
1636 jint disableAsyncGC;
1637 jint verbose;
1638 jboolean debugging;
1639 jint debugPort;
1640 } JDK1_1InitArgs;
1642 #ifdef __cplusplus
1643 } /* extern "C" */
1644 #endif /* __cplusplus */
1646 #endif /* !_JAVASOFT_JVM_H_ */
1648 #endif // SHARE_VM_PRIMS_JVM_H
