Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/prims/jvm.h@8b0a4867acf0
src/share/vm/prims/jvm.h
Tue, 12 Jun 2012 14:31:44 -0700
- author
- twisti
- date
- Tue, 12 Jun 2012 14:31:44 -0700
- changeset 3846
- 8b0a4867acf0
- parent 3202
- 436b4a3231bf
- child 4037
- da91efe96a93
- permissions
- -rw-r--r--
7174218: remove AtomicLongCSImpl intrinsics
Reviewed-by: kvn, twisti
Contributed-by: Krystal Mok <sajia@taobao.com>
1 /*
2 * Copyright (c) 1997, 2011, 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
90 JNIEXPORT jint JNICALL
91 JVM_GetInterfaceVersion(void);
93 /*************************************************************************
94 PART 1: Functions for Native Libraries
95 ************************************************************************/
96 /*
97 * java.lang.Object
98 */
99 JNIEXPORT jint JNICALL
100 JVM_IHashCode(JNIEnv *env, jobject obj);
102 JNIEXPORT void JNICALL
103 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
105 JNIEXPORT void JNICALL
106 JVM_MonitorNotify(JNIEnv *env, jobject obj);
108 JNIEXPORT void JNICALL
109 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
111 JNIEXPORT jobject JNICALL
112 JVM_Clone(JNIEnv *env, jobject obj);
114 /*
115 * java.lang.String
116 */
117 JNIEXPORT jstring JNICALL
118 JVM_InternString(JNIEnv *env, jstring str);
120 /*
121 * java.lang.System
122 */
123 JNIEXPORT jlong JNICALL
124 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
126 JNIEXPORT jlong JNICALL
127 JVM_NanoTime(JNIEnv *env, jclass ignored);
129 JNIEXPORT void JNICALL
130 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
131 jobject dst, jint dst_pos, jint length);
133 JNIEXPORT jobject JNICALL
134 JVM_InitProperties(JNIEnv *env, jobject p);
136 /*
137 * java.io.File
138 */
139 JNIEXPORT void JNICALL
140 JVM_OnExit(void (*func)(void));
142 /*
143 * java.lang.Runtime
144 */
145 JNIEXPORT void JNICALL
146 JVM_Exit(jint code);
148 JNIEXPORT void JNICALL
149 JVM_Halt(jint code);
151 JNIEXPORT void JNICALL
152 JVM_GC(void);
154 /* Returns the number of real-time milliseconds that have elapsed since the
155 * least-recently-inspected heap object was last inspected by the garbage
156 * collector.
157 *
158 * For simple stop-the-world collectors this value is just the time
159 * since the most recent collection. For generational collectors it is the
160 * time since the oldest generation was most recently collected. Other
161 * collectors are free to return a pessimistic estimate of the elapsed time, or
162 * simply the time since the last full collection was performed.
163 *
164 * Note that in the presence of reference objects, a given object that is no
165 * longer strongly reachable may have to be inspected multiple times before it
166 * can be reclaimed.
167 */
168 JNIEXPORT jlong JNICALL
169 JVM_MaxObjectInspectionAge(void);
171 JNIEXPORT void JNICALL
172 JVM_TraceInstructions(jboolean on);
174 JNIEXPORT void JNICALL
175 JVM_TraceMethodCalls(jboolean on);
177 JNIEXPORT jlong JNICALL
178 JVM_TotalMemory(void);
180 JNIEXPORT jlong JNICALL
181 JVM_FreeMemory(void);
183 JNIEXPORT jlong JNICALL
184 JVM_MaxMemory(void);
186 JNIEXPORT jint JNICALL
187 JVM_ActiveProcessorCount(void);
189 JNIEXPORT void * JNICALL
190 JVM_LoadLibrary(const char *name);
192 JNIEXPORT void JNICALL
193 JVM_UnloadLibrary(void * handle);
195 JNIEXPORT void * JNICALL
196 JVM_FindLibraryEntry(void *handle, const char *name);
198 JNIEXPORT jboolean JNICALL
199 JVM_IsSupportedJNIVersion(jint version);
201 /*
202 * java.lang.Float and java.lang.Double
203 */
204 JNIEXPORT jboolean JNICALL
205 JVM_IsNaN(jdouble d);
207 /*
208 * java.lang.Throwable
209 */
210 JNIEXPORT void JNICALL
211 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
213 JNIEXPORT void JNICALL
214 JVM_PrintStackTrace(JNIEnv *env, jobject throwable, jobject printable);
216 JNIEXPORT jint JNICALL
217 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
219 JNIEXPORT jobject JNICALL
220 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
222 /*
223 * java.lang.Compiler
224 */
225 JNIEXPORT void JNICALL
226 JVM_InitializeCompiler (JNIEnv *env, jclass compCls);
228 JNIEXPORT jboolean JNICALL
229 JVM_IsSilentCompiler(JNIEnv *env, jclass compCls);
231 JNIEXPORT jboolean JNICALL
232 JVM_CompileClass(JNIEnv *env, jclass compCls, jclass cls);
234 JNIEXPORT jboolean JNICALL
235 JVM_CompileClasses(JNIEnv *env, jclass cls, jstring jname);
237 JNIEXPORT jobject JNICALL
238 JVM_CompilerCommand(JNIEnv *env, jclass compCls, jobject arg);
240 JNIEXPORT void JNICALL
241 JVM_EnableCompiler(JNIEnv *env, jclass compCls);
243 JNIEXPORT void JNICALL
244 JVM_DisableCompiler(JNIEnv *env, jclass compCls);
246 /*
247 * java.lang.Thread
248 */
249 JNIEXPORT void JNICALL
250 JVM_StartThread(JNIEnv *env, jobject thread);
252 JNIEXPORT void JNICALL
253 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
255 JNIEXPORT jboolean JNICALL
256 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
258 JNIEXPORT void JNICALL
259 JVM_SuspendThread(JNIEnv *env, jobject thread);
261 JNIEXPORT void JNICALL
262 JVM_ResumeThread(JNIEnv *env, jobject thread);
264 JNIEXPORT void JNICALL
265 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
267 JNIEXPORT void JNICALL
268 JVM_Yield(JNIEnv *env, jclass threadClass);
270 JNIEXPORT void JNICALL
271 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
273 JNIEXPORT jobject JNICALL
274 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
276 JNIEXPORT jint JNICALL
277 JVM_CountStackFrames(JNIEnv *env, jobject thread);
279 JNIEXPORT void JNICALL
280 JVM_Interrupt(JNIEnv *env, jobject thread);
282 JNIEXPORT jboolean JNICALL
283 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
285 JNIEXPORT jboolean JNICALL
286 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
288 JNIEXPORT void JNICALL
289 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
291 JNIEXPORT jobjectArray JNICALL
292 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
294 JNIEXPORT void JNICALL
295 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
297 /* getStackTrace() and getAllStackTraces() method */
298 JNIEXPORT jobjectArray JNICALL
299 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
301 /*
302 * java.lang.SecurityManager
303 */
304 JNIEXPORT jclass JNICALL
305 JVM_CurrentLoadedClass(JNIEnv *env);
307 JNIEXPORT jobject JNICALL
308 JVM_CurrentClassLoader(JNIEnv *env);
310 JNIEXPORT jobjectArray JNICALL
311 JVM_GetClassContext(JNIEnv *env);
313 JNIEXPORT jint JNICALL
314 JVM_ClassDepth(JNIEnv *env, jstring name);
316 JNIEXPORT jint JNICALL
317 JVM_ClassLoaderDepth(JNIEnv *env);
319 /*
320 * java.lang.Package
321 */
322 JNIEXPORT jstring JNICALL
323 JVM_GetSystemPackage(JNIEnv *env, jstring name);
325 JNIEXPORT jobjectArray JNICALL
326 JVM_GetSystemPackages(JNIEnv *env);
328 /*
329 * java.io.ObjectInputStream
330 */
331 JNIEXPORT jobject JNICALL
332 JVM_AllocateNewObject(JNIEnv *env, jobject obj, jclass currClass,
333 jclass initClass);
335 JNIEXPORT jobject JNICALL
336 JVM_AllocateNewArray(JNIEnv *env, jobject obj, jclass currClass,
337 jint length);
339 JNIEXPORT jobject JNICALL
340 JVM_LatestUserDefinedLoader(JNIEnv *env);
342 /*
343 * This function has been deprecated and should not be considered
344 * part of the specified JVM interface.
345 */
346 JNIEXPORT jclass JNICALL
347 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass,
348 jstring currClassName);
350 /*
351 * java.lang.reflect.Array
352 */
353 JNIEXPORT jint JNICALL
354 JVM_GetArrayLength(JNIEnv *env, jobject arr);
356 JNIEXPORT jobject JNICALL
357 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
359 JNIEXPORT jvalue JNICALL
360 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
362 JNIEXPORT void JNICALL
363 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
365 JNIEXPORT void JNICALL
366 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
367 unsigned char vCode);
369 JNIEXPORT jobject JNICALL
370 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
372 JNIEXPORT jobject JNICALL
373 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
375 /*
376 * java.lang.Class and java.lang.ClassLoader
377 */
378 /*
379 * Returns the class in which the code invoking the native method
380 * belongs.
381 *
382 * Note that in JDK 1.1, native methods did not create a frame.
383 * In 1.2, they do. Therefore native methods like Class.forName
384 * can no longer look at the current frame for the caller class.
385 */
386 JNIEXPORT jclass JNICALL
387 JVM_GetCallerClass(JNIEnv *env, int n);
389 /*
390 * Find primitive classes
391 * utf: class name
392 */
393 JNIEXPORT jclass JNICALL
394 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
396 /*
397 * Link the class
398 */
399 JNIEXPORT void JNICALL
400 JVM_ResolveClass(JNIEnv *env, jclass cls);
402 /*
403 * Find a class from a given class loader. Throw ClassNotFoundException
404 * or NoClassDefFoundError depending on the value of the last
405 * argument.
406 */
407 JNIEXPORT jclass JNICALL
408 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init,
409 jobject loader, jboolean throwError);
411 /*
412 * Find a class from a boot class loader. Returns NULL if class not found.
413 */
414 JNIEXPORT jclass JNICALL
415 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
417 /*
418 * Find a class from a given class.
419 */
420 JNIEXPORT jclass JNICALL
421 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
422 jclass from);
424 /* Find a loaded class cached by the VM */
425 JNIEXPORT jclass JNICALL
426 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
428 /* Define a class */
429 JNIEXPORT jclass JNICALL
430 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
431 jsize len, jobject pd);
433 /* Define a class with a source (added in JDK1.5) */
434 JNIEXPORT jclass JNICALL
435 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
436 const jbyte *buf, jsize len, jobject pd,
437 const char *source);
439 /* Define a class with a source with conditional verification (added HSX 14)
440 * -Xverify:all will verify anyway, -Xverify:none will not verify,
441 * -Xverify:remote (default) will obey this conditional
442 * i.e. true = should_verify_class
443 */
444 JNIEXPORT jclass JNICALL
445 JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name,
446 jobject loader, const jbyte *buf,
447 jsize len, jobject pd, const char *source,
448 jboolean verify);
450 /*
451 * Reflection support functions
452 */
454 JNIEXPORT jstring JNICALL
455 JVM_GetClassName(JNIEnv *env, jclass cls);
457 JNIEXPORT jobjectArray JNICALL
458 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
460 JNIEXPORT jobject JNICALL
461 JVM_GetClassLoader(JNIEnv *env, jclass cls);
463 JNIEXPORT jboolean JNICALL
464 JVM_IsInterface(JNIEnv *env, jclass cls);
466 JNIEXPORT jobjectArray JNICALL
467 JVM_GetClassSigners(JNIEnv *env, jclass cls);
469 JNIEXPORT void JNICALL
470 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
472 JNIEXPORT jobject JNICALL
473 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
475 JNIEXPORT void JNICALL
476 JVM_SetProtectionDomain(JNIEnv *env, jclass cls, jobject protection_domain);
478 JNIEXPORT jboolean JNICALL
479 JVM_IsArrayClass(JNIEnv *env, jclass cls);
481 JNIEXPORT jboolean JNICALL
482 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
484 JNIEXPORT jclass JNICALL
485 JVM_GetComponentType(JNIEnv *env, jclass cls);
487 JNIEXPORT jint JNICALL
488 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
490 JNIEXPORT jobjectArray JNICALL
491 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
493 JNIEXPORT jclass JNICALL
494 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
496 /* Generics support (JDK 1.5) */
497 JNIEXPORT jstring JNICALL
498 JVM_GetClassSignature(JNIEnv *env, jclass cls);
500 /* Annotations support (JDK 1.5) */
501 JNIEXPORT jbyteArray JNICALL
502 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
504 /* Annotations support (JDK 1.6) */
506 // field is a handle to a java.lang.reflect.Field object
507 JNIEXPORT jbyteArray JNICALL
508 JVM_GetFieldAnnotations(JNIEnv *env, jobject field);
510 // method is a handle to a java.lang.reflect.Method object
511 JNIEXPORT jbyteArray JNICALL
512 JVM_GetMethodAnnotations(JNIEnv *env, jobject method);
514 // method is a handle to a java.lang.reflect.Method object
515 JNIEXPORT jbyteArray JNICALL
516 JVM_GetMethodDefaultAnnotationValue(JNIEnv *env, jobject method);
518 // method is a handle to a java.lang.reflect.Method object
519 JNIEXPORT jbyteArray JNICALL
520 JVM_GetMethodParameterAnnotations(JNIEnv *env, jobject method);
523 /*
524 * New (JDK 1.4) reflection implementation
525 */
527 JNIEXPORT jobjectArray JNICALL
528 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
530 JNIEXPORT jobjectArray JNICALL
531 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
533 JNIEXPORT jobjectArray JNICALL
534 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
536 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
537 This returns the access flags for the class as specified in the
538 class file rather than searching the InnerClasses attribute (if
539 present) to find the source-level access flags. Only the values of
540 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
541 valid. */
542 JNIEXPORT jint JNICALL
543 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
545 /*
546 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
547 */
549 JNIEXPORT jobject JNICALL
550 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
552 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
553 (JNIEnv *env, jobject unused, jobject jcpool);
555 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
556 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
558 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
559 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
561 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
562 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
564 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
565 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
567 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
568 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
570 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
571 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
573 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
574 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
576 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
577 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
579 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
580 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
582 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
583 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
585 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
586 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
588 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
589 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
591 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
592 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
594 /*
595 * java.security.*
596 */
598 JNIEXPORT jobject JNICALL
599 JVM_DoPrivileged(JNIEnv *env, jclass cls,
600 jobject action, jobject context, jboolean wrapException);
602 JNIEXPORT jobject JNICALL
603 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
605 JNIEXPORT jobject JNICALL
606 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
608 /*
609 * Signal support, used to implement the shutdown sequence. Every VM must
610 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
611 * (^C) and the latter for external termination (kill, system shutdown, etc.).
612 * Other platform-dependent signal values may also be supported.
613 */
615 JNIEXPORT void * JNICALL
616 JVM_RegisterSignal(jint sig, void *handler);
618 JNIEXPORT jboolean JNICALL
619 JVM_RaiseSignal(jint sig);
621 JNIEXPORT jint JNICALL
622 JVM_FindSignal(const char *name);
624 /*
625 * Retrieve the assertion directives for the specified class.
626 */
627 JNIEXPORT jboolean JNICALL
628 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
630 /*
631 * Retrieve the assertion directives from the VM.
632 */
633 JNIEXPORT jobject JNICALL
634 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
636 /*
637 * java.util.concurrent.atomic.AtomicLong
638 */
639 JNIEXPORT jboolean JNICALL
640 JVM_SupportsCX8(void);
642 JNIEXPORT jboolean JNICALL
643 JVM_CX8Field(JNIEnv *env, jobject obj, jfieldID fldID, jlong oldVal, jlong newVal);
645 /*
646 * com.sun.dtrace.jsdt support
647 */
649 #define JVM_TRACING_DTRACE_VERSION 1
651 /*
652 * Structure to pass one probe description to JVM.
653 *
654 * The VM will overwrite the definition of the referenced method with
655 * code that will fire the probe.
656 */
657 typedef struct {
658 jmethodID method;
659 jstring function;
660 jstring name;
661 void* reserved[4]; // for future use
662 } JVM_DTraceProbe;
664 /**
665 * Encapsulates the stability ratings for a DTrace provider field
666 */
667 typedef struct {
668 jint nameStability;
669 jint dataStability;
670 jint dependencyClass;
671 } JVM_DTraceInterfaceAttributes;
673 /*
674 * Structure to pass one provider description to JVM
675 */
676 typedef struct {
677 jstring name;
678 JVM_DTraceProbe* probes;
679 jint probe_count;
680 JVM_DTraceInterfaceAttributes providerAttributes;
681 JVM_DTraceInterfaceAttributes moduleAttributes;
682 JVM_DTraceInterfaceAttributes functionAttributes;
683 JVM_DTraceInterfaceAttributes nameAttributes;
684 JVM_DTraceInterfaceAttributes argsAttributes;
685 void* reserved[4]; // for future use
686 } JVM_DTraceProvider;
688 /*
689 * Get the version number the JVM was built with
690 */
691 JNIEXPORT jint JNICALL
692 JVM_DTraceGetVersion(JNIEnv* env);
694 /*
695 * Register new probe with given signature, return global handle
696 *
697 * The version passed in is the version that the library code was
698 * built with.
699 */
700 JNIEXPORT jlong JNICALL
701 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name,
702 jint providers_count, JVM_DTraceProvider* providers);
704 /*
705 * Check JSDT probe
706 */
707 JNIEXPORT jboolean JNICALL
708 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method);
710 /*
711 * Destroy custom DOF
712 */
713 JNIEXPORT void JNICALL
714 JVM_DTraceDispose(JNIEnv* env, jlong handle);
716 /*
717 * Check to see if DTrace is supported by OS
718 */
719 JNIEXPORT jboolean JNICALL
720 JVM_DTraceIsSupported(JNIEnv* env);
722 /*************************************************************************
723 PART 2: Support for the Verifier and Class File Format Checker
724 ************************************************************************/
725 /*
726 * Return the class name in UTF format. The result is valid
727 * 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_GetClassNameUTF(JNIEnv *env, jclass cb);
735 /*
736 * Returns the constant pool types in the buffer provided by "types."
737 */
738 JNIEXPORT void JNICALL
739 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
741 /*
742 * Returns the number of Constant Pool entries.
743 */
744 JNIEXPORT jint JNICALL
745 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
747 /*
748 * Returns the number of *declared* fields or methods.
749 */
750 JNIEXPORT jint JNICALL
751 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
753 JNIEXPORT jint JNICALL
754 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
756 /*
757 * Returns the CP indexes of exceptions raised by a given method.
758 * Places the result in the given buffer.
759 *
760 * The method is identified by method_index.
761 */
762 JNIEXPORT void JNICALL
763 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
764 unsigned short *exceptions);
765 /*
766 * Returns the number of exceptions raised by a given method.
767 * The method is identified by method_index.
768 */
769 JNIEXPORT jint JNICALL
770 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
772 /*
773 * Returns the byte code sequence of a given method.
774 * Places the result in the given buffer.
775 *
776 * The method is identified by method_index.
777 */
778 JNIEXPORT void JNICALL
779 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
780 unsigned char *code);
782 /*
783 * Returns the length of the byte code sequence of a given method.
784 * The method is identified by method_index.
785 */
786 JNIEXPORT jint JNICALL
787 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
789 /*
790 * A structure used to a capture exception table entry in a Java method.
791 */
792 typedef struct {
793 jint start_pc;
794 jint end_pc;
795 jint handler_pc;
796 jint catchType;
797 } JVM_ExceptionTableEntryType;
799 /*
800 * Returns the exception table entry at entry_index of a given method.
801 * Places the result in the given buffer.
802 *
803 * The method is identified by method_index.
804 */
805 JNIEXPORT void JNICALL
806 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
807 jint entry_index,
808 JVM_ExceptionTableEntryType *entry);
810 /*
811 * Returns the length of the exception table of a given method.
812 * The method is identified by method_index.
813 */
814 JNIEXPORT jint JNICALL
815 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
817 /*
818 * Returns the modifiers of a given field.
819 * The field is identified by field_index.
820 */
821 JNIEXPORT jint JNICALL
822 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
824 /*
825 * Returns the modifiers of a given method.
826 * The method is identified by method_index.
827 */
828 JNIEXPORT jint JNICALL
829 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
831 /*
832 * Returns the number of local variables of a given method.
833 * The method is identified by method_index.
834 */
835 JNIEXPORT jint JNICALL
836 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
838 /*
839 * Returns the number of arguments (including this pointer) of a given method.
840 * The method is identified by method_index.
841 */
842 JNIEXPORT jint JNICALL
843 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
845 /*
846 * Returns the maximum amount of stack (in words) used by a given method.
847 * The method is identified by method_index.
848 */
849 JNIEXPORT jint JNICALL
850 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
852 /*
853 * Is a given method a constructor.
854 * The method is identified by method_index.
855 */
856 JNIEXPORT jboolean JNICALL
857 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
859 /*
860 * Returns the name of a given method in UTF format.
861 * The result remains valid until JVM_ReleaseUTF is called.
862 *
863 * The caller must treat the string as a constant and not modify it
864 * in any way.
865 */
866 JNIEXPORT const char * JNICALL
867 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
869 /*
870 * Returns the signature of a given method in UTF format.
871 * The result remains valid until JVM_ReleaseUTF is called.
872 *
873 * The caller must treat the string as a constant and not modify it
874 * in any way.
875 */
876 JNIEXPORT const char * JNICALL
877 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
879 /*
880 * Returns the name of the field refered to at a given constant pool
881 * index.
882 *
883 * The result is in UTF format and remains valid until JVM_ReleaseUTF
884 * is called.
885 *
886 * The caller must treat the string as a constant and not modify it
887 * in any way.
888 */
889 JNIEXPORT const char * JNICALL
890 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
892 /*
893 * Returns the name of the method refered to at a given constant pool
894 * index.
895 *
896 * The result is in UTF format and remains valid until JVM_ReleaseUTF
897 * is called.
898 *
899 * The caller must treat the string as a constant and not modify it
900 * in any way.
901 */
902 JNIEXPORT const char * JNICALL
903 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
905 /*
906 * Returns the signature of the method refered to at a given constant pool
907 * index.
908 *
909 * The result is in UTF format and remains valid until JVM_ReleaseUTF
910 * is called.
911 *
912 * The caller must treat the string as a constant and not modify it
913 * in any way.
914 */
915 JNIEXPORT const char * JNICALL
916 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
918 /*
919 * Returns the signature of the field refered to at a given constant pool
920 * index.
921 *
922 * The result is in UTF format and remains valid until JVM_ReleaseUTF
923 * is called.
924 *
925 * The caller must treat the string as a constant and not modify it
926 * in any way.
927 */
928 JNIEXPORT const char * JNICALL
929 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
931 /*
932 * Returns the class name refered to at a given constant pool index.
933 *
934 * The result is in UTF format and remains valid until JVM_ReleaseUTF
935 * is called.
936 *
937 * The caller must treat the string as a constant and not modify it
938 * in any way.
939 */
940 JNIEXPORT const char * JNICALL
941 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
943 /*
944 * Returns the class name refered to at a given constant pool index.
945 *
946 * The constant pool entry must refer to a CONSTANT_Fieldref.
947 *
948 * The result is in UTF format and remains valid until JVM_ReleaseUTF
949 * is called.
950 *
951 * The caller must treat the string as a constant and not modify it
952 * in any way.
953 */
954 JNIEXPORT const char * JNICALL
955 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
957 /*
958 * Returns the class name refered to at a given constant pool index.
959 *
960 * The constant pool entry must refer to CONSTANT_Methodref or
961 * CONSTANT_InterfaceMethodref.
962 *
963 * The result is in UTF format and remains valid until JVM_ReleaseUTF
964 * is called.
965 *
966 * The caller must treat the string as a constant and not modify it
967 * in any way.
968 */
969 JNIEXPORT const char * JNICALL
970 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
972 /*
973 * Returns the modifiers of a field in calledClass. The field is
974 * referred to in class cb at constant pool entry index.
975 *
976 * The caller must treat the string as a constant and not modify it
977 * in any way.
978 *
979 * Returns -1 if the field does not exist in calledClass.
980 */
981 JNIEXPORT jint JNICALL
982 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
984 /*
985 * Returns the modifiers of a method in calledClass. The method is
986 * referred to in class cb at constant pool entry index.
987 *
988 * Returns -1 if the method does not exist in calledClass.
989 */
990 JNIEXPORT jint JNICALL
991 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
993 /*
994 * Releases the UTF string obtained from the VM.
995 */
996 JNIEXPORT void JNICALL
997 JVM_ReleaseUTF(const char *utf);
999 /*
1000 * Compare if two classes are in the same package.
1001 */
1002 JNIEXPORT jboolean JNICALL
1003 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
1005 /* Constants in class files */
1007 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
1008 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
1009 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
1010 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
1011 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
1012 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
1013 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
1014 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
1015 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
1016 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
1017 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
1018 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
1019 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
1020 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
1021 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
1022 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
1023 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
1024 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
1026 #define JVM_ACC_PUBLIC_BIT 0
1027 #define JVM_ACC_PRIVATE_BIT 1
1028 #define JVM_ACC_PROTECTED_BIT 2
1029 #define JVM_ACC_STATIC_BIT 3
1030 #define JVM_ACC_FINAL_BIT 4
1031 #define JVM_ACC_SYNCHRONIZED_BIT 5
1032 #define JVM_ACC_SUPER_BIT 5
1033 #define JVM_ACC_VOLATILE_BIT 6
1034 #define JVM_ACC_BRIDGE_BIT 6
1035 #define JVM_ACC_TRANSIENT_BIT 7
1036 #define JVM_ACC_VARARGS_BIT 7
1037 #define JVM_ACC_NATIVE_BIT 8
1038 #define JVM_ACC_INTERFACE_BIT 9
1039 #define JVM_ACC_ABSTRACT_BIT 10
1040 #define JVM_ACC_STRICT_BIT 11
1041 #define JVM_ACC_SYNTHETIC_BIT 12
1042 #define JVM_ACC_ANNOTATION_BIT 13
1043 #define JVM_ACC_ENUM_BIT 14
1045 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
1046 enum {
1047 JVM_CONSTANT_Utf8 = 1,
1048 JVM_CONSTANT_Unicode, /* unused */
1049 JVM_CONSTANT_Integer,
1050 JVM_CONSTANT_Float,
1051 JVM_CONSTANT_Long,
1052 JVM_CONSTANT_Double,
1053 JVM_CONSTANT_Class,
1054 JVM_CONSTANT_String,
1055 JVM_CONSTANT_Fieldref,
1056 JVM_CONSTANT_Methodref,
1057 JVM_CONSTANT_InterfaceMethodref,
1058 JVM_CONSTANT_NameAndType,
1059 JVM_CONSTANT_MethodHandle = 15, // JSR 292
1060 JVM_CONSTANT_MethodType = 16, // JSR 292
1061 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only
1062 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292
1063 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles
1064 };
1066 /* JVM_CONSTANT_MethodHandle subtypes */
1067 enum {
1068 JVM_REF_getField = 1,
1069 JVM_REF_getStatic = 2,
1070 JVM_REF_putField = 3,
1071 JVM_REF_putStatic = 4,
1072 JVM_REF_invokeVirtual = 5,
1073 JVM_REF_invokeStatic = 6,
1074 JVM_REF_invokeSpecial = 7,
1075 JVM_REF_newInvokeSpecial = 8,
1076 JVM_REF_invokeInterface = 9
1077 };
1079 /* Used in the newarray instruction. */
1081 #define JVM_T_BOOLEAN 4
1082 #define JVM_T_CHAR 5
1083 #define JVM_T_FLOAT 6
1084 #define JVM_T_DOUBLE 7
1085 #define JVM_T_BYTE 8
1086 #define JVM_T_SHORT 9
1087 #define JVM_T_INT 10
1088 #define JVM_T_LONG 11
1090 /* JVM method signatures */
1092 #define JVM_SIGNATURE_ARRAY '['
1093 #define JVM_SIGNATURE_BYTE 'B'
1094 #define JVM_SIGNATURE_CHAR 'C'
1095 #define JVM_SIGNATURE_CLASS 'L'
1096 #define JVM_SIGNATURE_ENDCLASS ';'
1097 #define JVM_SIGNATURE_ENUM 'E'
1098 #define JVM_SIGNATURE_FLOAT 'F'
1099 #define JVM_SIGNATURE_DOUBLE 'D'
1100 #define JVM_SIGNATURE_FUNC '('
1101 #define JVM_SIGNATURE_ENDFUNC ')'
1102 #define JVM_SIGNATURE_INT 'I'
1103 #define JVM_SIGNATURE_LONG 'J'
1104 #define JVM_SIGNATURE_SHORT 'S'
1105 #define JVM_SIGNATURE_VOID 'V'
1106 #define JVM_SIGNATURE_BOOLEAN 'Z'
1108 /*
1109 * A function defined by the byte-code verifier and called by the VM.
1110 * This is not a function implemented in the VM.
1111 *
1112 * Returns JNI_FALSE if verification fails. A detailed error message
1113 * will be places in msg_buf, whose length is specified by buf_len.
1114 */
1115 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1116 jclass cb,
1117 char * msg_buf,
1118 jint buf_len);
1121 /*
1122 * Support for a VM-independent class format checker.
1123 */
1124 typedef struct {
1125 unsigned long code; /* byte code */
1126 unsigned long excs; /* exceptions */
1127 unsigned long etab; /* catch table */
1128 unsigned long lnum; /* line number */
1129 unsigned long lvar; /* local vars */
1130 } method_size_info;
1132 typedef struct {
1133 unsigned int constants; /* constant pool */
1134 unsigned int fields;
1135 unsigned int methods;
1136 unsigned int interfaces;
1137 unsigned int fields2; /* number of static 2-word fields */
1138 unsigned int innerclasses; /* # of records in InnerClasses attr */
1140 method_size_info clinit; /* memory used in clinit */
1141 method_size_info main; /* used everywhere else */
1142 } class_size_info;
1144 /*
1145 * Functions defined in libjava.so to perform string conversions.
1146 *
1147 */
1149 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1151 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1153 /* This is the function defined in libjava.so that performs class
1154 * format checks. This functions fills in size information about
1155 * the class file and returns:
1156 *
1157 * 0: good
1158 * -1: out of memory
1159 * -2: bad format
1160 * -3: unsupported version
1161 * -4: bad class name
1162 */
1164 typedef jint (*check_format_fn_t)(char *class_name,
1165 unsigned char *data,
1166 unsigned int data_size,
1167 class_size_info *class_size,
1168 char *message_buffer,
1169 jint buffer_length,
1170 jboolean measure_only,
1171 jboolean check_relaxed);
1173 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1174 JVM_ACC_FINAL | \
1175 JVM_ACC_SUPER | \
1176 JVM_ACC_INTERFACE | \
1177 JVM_ACC_ABSTRACT | \
1178 JVM_ACC_ANNOTATION | \
1179 JVM_ACC_ENUM | \
1180 JVM_ACC_SYNTHETIC)
1182 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1183 JVM_ACC_PRIVATE | \
1184 JVM_ACC_PROTECTED | \
1185 JVM_ACC_STATIC | \
1186 JVM_ACC_FINAL | \
1187 JVM_ACC_VOLATILE | \
1188 JVM_ACC_TRANSIENT | \
1189 JVM_ACC_ENUM | \
1190 JVM_ACC_SYNTHETIC)
1192 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1193 JVM_ACC_PRIVATE | \
1194 JVM_ACC_PROTECTED | \
1195 JVM_ACC_STATIC | \
1196 JVM_ACC_FINAL | \
1197 JVM_ACC_SYNCHRONIZED | \
1198 JVM_ACC_BRIDGE | \
1199 JVM_ACC_VARARGS | \
1200 JVM_ACC_NATIVE | \
1201 JVM_ACC_ABSTRACT | \
1202 JVM_ACC_STRICT | \
1203 JVM_ACC_SYNTHETIC)
1205 /*
1206 * This is the function defined in libjava.so to perform path
1207 * canonicalization. VM call this function before opening jar files
1208 * to load system classes.
1209 *
1210 */
1212 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1214 /*************************************************************************
1215 PART 3: I/O and Network Support
1216 ************************************************************************/
1218 /* Note that the JVM IO functions are expected to return JVM_IO_ERR
1219 * when there is any kind of error. The caller can then use the
1220 * platform specific support (e.g., errno) to get the detailed
1221 * error info. The JVM_GetLastErrorString procedure may also be used
1222 * to obtain a descriptive error string.
1223 */
1224 #define JVM_IO_ERR (-1)
1226 /* For interruptible IO. Returning JVM_IO_INTR indicates that an IO
1227 * operation has been disrupted by Thread.interrupt. There are a
1228 * number of technical difficulties related to interruptible IO that
1229 * need to be solved. For example, most existing programs do not handle
1230 * InterruptedIOExceptions specially, they simply treat those as any
1231 * IOExceptions, which typically indicate fatal errors.
1232 *
1233 * There are also two modes of operation for interruptible IO. In the
1234 * resumption mode, an interrupted IO operation is guaranteed not to
1235 * have any side-effects, and can be restarted. In the termination mode,
1236 * an interrupted IO operation corrupts the underlying IO stream, so
1237 * that the only reasonable operation on an interrupted stream is to
1238 * close that stream. The resumption mode seems to be impossible to
1239 * implement on Win32 and Solaris. Implementing the termination mode is
1240 * easier, but it's not clear that's the right semantics.
1241 *
1242 * Interruptible IO is not supported on Win32.It can be enabled/disabled
1243 * using a compile-time flag on Solaris. Third-party JVM ports do not
1244 * need to implement interruptible IO.
1245 */
1246 #define JVM_IO_INTR (-2)
1248 /* Write a string into the given buffer, in the platform's local encoding,
1249 * that describes the most recent system-level error to occur in this thread.
1250 * Return the length of the string or zero if no error occurred.
1251 */
1252 JNIEXPORT jint JNICALL
1253 JVM_GetLastErrorString(char *buf, int len);
1255 /*
1256 * Convert a pathname into native format. This function does syntactic
1257 * cleanup, such as removing redundant separator characters. It modifies
1258 * the given pathname string in place.
1259 */
1260 JNIEXPORT char * JNICALL
1261 JVM_NativePath(char *);
1263 /*
1264 * JVM I/O error codes
1265 */
1266 #define JVM_EEXIST -100
1268 /*
1269 * Open a file descriptor. This function returns a negative error code
1270 * on error, and a non-negative integer that is the file descriptor on
1271 * success.
1272 */
1273 JNIEXPORT jint JNICALL
1274 JVM_Open(const char *fname, jint flags, jint mode);
1276 /*
1277 * Close a file descriptor. This function returns -1 on error, and 0
1278 * on success.
1279 *
1280 * fd the file descriptor to close.
1281 */
1282 JNIEXPORT jint JNICALL
1283 JVM_Close(jint fd);
1285 /*
1286 * Read data from a file decriptor into a char array.
1287 *
1288 * fd the file descriptor to read from.
1289 * buf the buffer where to put the read data.
1290 * nbytes the number of bytes to read.
1291 *
1292 * This function returns -1 on error, and 0 on success.
1293 */
1294 JNIEXPORT jint JNICALL
1295 JVM_Read(jint fd, char *buf, jint nbytes);
1297 /*
1298 * Write data from a char array to a file decriptor.
1299 *
1300 * fd the file descriptor to read from.
1301 * buf the buffer from which to fetch the data.
1302 * nbytes the number of bytes to write.
1303 *
1304 * This function returns -1 on error, and 0 on success.
1305 */
1306 JNIEXPORT jint JNICALL
1307 JVM_Write(jint fd, char *buf, jint nbytes);
1309 /*
1310 * Returns the number of bytes available for reading from a given file
1311 * descriptor
1312 */
1313 JNIEXPORT jint JNICALL
1314 JVM_Available(jint fd, jlong *pbytes);
1316 /*
1317 * Move the file descriptor pointer from whence by offset.
1318 *
1319 * fd the file descriptor to move.
1320 * offset the number of bytes to move it by.
1321 * whence the start from where to move it.
1322 *
1323 * This function returns the resulting pointer location.
1324 */
1325 JNIEXPORT jlong JNICALL
1326 JVM_Lseek(jint fd, jlong offset, jint whence);
1328 /*
1329 * Set the length of the file associated with the given descriptor to the given
1330 * length. If the new length is longer than the current length then the file
1331 * is extended; the contents of the extended portion are not defined. The
1332 * value of the file pointer is undefined after this procedure returns.
1333 */
1334 JNIEXPORT jint JNICALL
1335 JVM_SetLength(jint fd, jlong length);
1337 /*
1338 * Synchronize the file descriptor's in memory state with that of the
1339 * physical device. Return of -1 is an error, 0 is OK.
1340 */
1341 JNIEXPORT jint JNICALL
1342 JVM_Sync(jint fd);
1344 /*
1345 * Networking library support
1346 */
1348 JNIEXPORT jint JNICALL
1349 JVM_InitializeSocketLibrary(void);
1351 struct sockaddr;
1353 JNIEXPORT jint JNICALL
1354 JVM_Socket(jint domain, jint type, jint protocol);
1356 JNIEXPORT jint JNICALL
1357 JVM_SocketClose(jint fd);
1359 JNIEXPORT jint JNICALL
1360 JVM_SocketShutdown(jint fd, jint howto);
1362 JNIEXPORT jint JNICALL
1363 JVM_Recv(jint fd, char *buf, jint nBytes, jint flags);
1365 JNIEXPORT jint JNICALL
1366 JVM_Send(jint fd, char *buf, jint nBytes, jint flags);
1368 JNIEXPORT jint JNICALL
1369 JVM_Timeout(int fd, long timeout);
1371 JNIEXPORT jint JNICALL
1372 JVM_Listen(jint fd, jint count);
1374 JNIEXPORT jint JNICALL
1375 JVM_Connect(jint fd, struct sockaddr *him, jint len);
1377 JNIEXPORT jint JNICALL
1378 JVM_Bind(jint fd, struct sockaddr *him, jint len);
1380 JNIEXPORT jint JNICALL
1381 JVM_Accept(jint fd, struct sockaddr *him, jint *len);
1383 JNIEXPORT jint JNICALL
1384 JVM_RecvFrom(jint fd, char *buf, int nBytes,
1385 int flags, struct sockaddr *from, int *fromlen);
1387 JNIEXPORT jint JNICALL
1388 JVM_SendTo(jint fd, char *buf, int len,
1389 int flags, struct sockaddr *to, int tolen);
1391 JNIEXPORT jint JNICALL
1392 JVM_SocketAvailable(jint fd, jint *result);
1395 JNIEXPORT jint JNICALL
1396 JVM_GetSockName(jint fd, struct sockaddr *him, int *len);
1398 JNIEXPORT jint JNICALL
1399 JVM_GetSockOpt(jint fd, int level, int optname, char *optval, int *optlen);
1401 JNIEXPORT jint JNICALL
1402 JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen);
1404 JNIEXPORT int JNICALL
1405 JVM_GetHostName(char* name, int namelen);
1407 /*
1408 * The standard printing functions supported by the Java VM. (Should they
1409 * be renamed to JVM_* in the future?
1410 */
1412 /*
1413 * BE CAREFUL! The following functions do not implement the
1414 * full feature set of standard C printf formats.
1415 */
1416 JNIEXPORT int
1417 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1419 JNIEXPORT int
1420 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1422 JNIEXPORT int
1423 jio_fprintf(FILE *, const char *fmt, ...);
1425 JNIEXPORT int
1426 jio_vfprintf(FILE *, const char *fmt, va_list args);
1429 JNIEXPORT void * JNICALL
1430 JVM_RawMonitorCreate(void);
1432 JNIEXPORT void JNICALL
1433 JVM_RawMonitorDestroy(void *mon);
1435 JNIEXPORT jint JNICALL
1436 JVM_RawMonitorEnter(void *mon);
1438 JNIEXPORT void JNICALL
1439 JVM_RawMonitorExit(void *mon);
1441 /*
1442 * java.lang.reflect.Method
1443 */
1444 JNIEXPORT jobject JNICALL
1445 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1447 /*
1448 * java.lang.reflect.Constructor
1449 */
1450 JNIEXPORT jobject JNICALL
1451 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1453 /*
1454 * java.lang.management support
1455 */
1456 JNIEXPORT void* JNICALL
1457 JVM_GetManagement(jint version);
1459 /*
1460 * com.sun.tools.attach.VirtualMachine support
1461 *
1462 * Initialize the agent properties with the properties maintained in the VM.
1463 */
1464 JNIEXPORT jobject JNICALL
1465 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1467 /* Generics reflection support.
1468 *
1469 * Returns information about the given class's EnclosingMethod
1470 * attribute, if present, or null if the class had no enclosing
1471 * method.
1472 *
1473 * If non-null, the returned array contains three elements. Element 0
1474 * is the java.lang.Class of which the enclosing method is a member,
1475 * and elements 1 and 2 are the java.lang.Strings for the enclosing
1476 * method's name and descriptor, respectively.
1477 */
1478 JNIEXPORT jobjectArray JNICALL
1479 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1481 /*
1482 * Java thread state support
1483 */
1484 enum {
1485 JAVA_THREAD_STATE_NEW = 0,
1486 JAVA_THREAD_STATE_RUNNABLE = 1,
1487 JAVA_THREAD_STATE_BLOCKED = 2,
1488 JAVA_THREAD_STATE_WAITING = 3,
1489 JAVA_THREAD_STATE_TIMED_WAITING = 4,
1490 JAVA_THREAD_STATE_TERMINATED = 5,
1491 JAVA_THREAD_STATE_COUNT = 6
1492 };
1494 /*
1495 * Returns an array of the threadStatus values representing the
1496 * given Java thread state. Returns NULL if the VM version is
1497 * incompatible with the JDK or doesn't support the given
1498 * Java thread state.
1499 */
1500 JNIEXPORT jintArray JNICALL
1501 JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState);
1503 /*
1504 * Returns an array of the substate names representing the
1505 * given Java thread state. Returns NULL if the VM version is
1506 * incompatible with the JDK or the VM doesn't support
1507 * the given Java thread state.
1508 * values must be the jintArray returned from JVM_GetThreadStateValues
1509 * and javaThreadState.
1510 */
1511 JNIEXPORT jobjectArray JNICALL
1512 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values);
1514 /* =========================================================================
1515 * The following defines a private JVM interface that the JDK can query
1516 * for the JVM version and capabilities. sun.misc.Version defines
1517 * the methods for getting the VM version and its capabilities.
1518 *
1519 * When a new bit is added, the following should be updated to provide
1520 * access to the new capability:
1521 * HS: JVM_GetVersionInfo and Abstract_VM_Version class
1522 * SDK: Version class
1523 *
1524 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1525 * JVM to query for the JDK version and capabilities.
1526 *
1527 * When a new bit is added, the following should be updated to provide
1528 * access to the new capability:
1529 * HS: JDK_Version class
1530 * SDK: JDK_GetVersionInfo0
1531 *
1532 * ==========================================================================
1533 */
1534 typedef struct {
1535 /* HotSpot Express VM version string:
1536 * <major>.<minor>-bxx[-<identifier>][-<debug_flavor>]
1537 */
1538 unsigned int jvm_version; /* Consists of major.minor.0.build */
1539 unsigned int update_version : 8; /* 0 in HotSpot Express VM */
1540 unsigned int special_update_version : 8; /* 0 in HotSpot Express VM */
1541 unsigned int reserved1 : 16;
1542 unsigned int reserved2;
1544 /* The following bits represents JVM supports that JDK has dependency on.
1545 * JDK can use these bits to determine which JVM version
1546 * and support it has to maintain runtime compatibility.
1547 *
1548 * When a new bit is added in a minor or update release, make sure
1549 * the new bit is also added in the main/baseline.
1550 */
1551 unsigned int is_attachable : 1;
1552 unsigned int is_kernel_jvm : 1;
1553 unsigned int : 30;
1554 unsigned int : 32;
1555 unsigned int : 32;
1556 } jvm_version_info;
1558 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1559 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1560 // Micro version is 0 in HotSpot Express VM (set in jvm.cpp).
1561 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1562 /* Build number is available in all HotSpot Express VM builds.
1563 * It is defined in make/hotspot_version file.
1564 */
1565 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1567 JNIEXPORT void JNICALL
1568 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1570 typedef struct {
1571 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1572 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */
1573 /* and build number (xx) */
1574 unsigned int update_version : 8; /* Update release version (uu) */
1575 unsigned int special_update_version : 8; /* Special update release version (c)*/
1576 unsigned int reserved1 : 16;
1577 unsigned int reserved2;
1579 /* The following bits represents new JDK supports that VM has dependency on.
1580 * VM implementation can use these bits to determine which JDK version
1581 * and support it has to maintain runtime compatibility.
1582 *
1583 * When a new bit is added in a minor or update release, make sure
1584 * the new bit is also added in the main/baseline.
1585 */
1586 unsigned int thread_park_blocker : 1;
1587 unsigned int post_vm_init_hook_enabled : 1;
1588 unsigned int pending_list_uses_discovered_field : 1;
1589 unsigned int : 29;
1590 unsigned int : 32;
1591 unsigned int : 32;
1592 } jdk_version_info;
1594 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1595 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1596 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1598 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1599 * It will be zero for internal builds.
1600 */
1601 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1603 /*
1604 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1605 * that is dynamically looked up by JVM.
1606 */
1607 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1609 /*
1610 * This structure is used by the launcher to get the default thread
1611 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1612 * version of 1.1. As it is not supported otherwise, it has been removed
1613 * from jni.h
1614 */
1615 typedef struct JDK1_1InitArgs {
1616 jint version;
1618 char **properties;
1619 jint checkSource;
1620 jint nativeStackSize;
1621 jint javaStackSize;
1622 jint minHeapSize;
1623 jint maxHeapSize;
1624 jint verifyMode;
1625 char *classpath;
1627 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1628 void (JNICALL *exit)(jint code);
1629 void (JNICALL *abort)(void);
1631 jint enableClassGC;
1632 jint enableVerboseGC;
1633 jint disableAsyncGC;
1634 jint verbose;
1635 jboolean debugging;
1636 jint debugPort;
1637 } JDK1_1InitArgs;
1639 #ifdef __cplusplus
1640 } /* extern "C" */
1641 #endif /* __cplusplus */
1643 #endif /* !_JAVASOFT_JVM_H_ */
1645 #endif // SHARE_VM_PRIMS_JVM_H
