Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/prims/jvm.h@abe03600372a
src/share/vm/prims/jvm.h
Sun, 15 Sep 2013 15:28:58 +0200
- author
- goetz
- date
- Sun, 15 Sep 2013 15:28:58 +0200
- changeset 6470
- abe03600372a
- parent 6461
- bdd155477289
- child 6472
- 2b8e28fdf503
- permissions
- -rw-r--r--
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
Summary: Implement profiling for c2 jit compilation. Also enable new cppInterpreter features.
Reviewed-by: kvn
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_aix
39 # include "jvm_aix.h"
40 #endif
41 #ifdef TARGET_OS_FAMILY_bsd
42 # include "jvm_bsd.h"
43 #endif
45 #ifndef _JAVASOFT_JVM_H_
46 #define _JAVASOFT_JVM_H_
48 // HotSpot integration note:
49 //
50 // This file and jvm.h used with the JDK are identical,
51 // except for the three includes removed below
53 // #include <sys/stat.h>
54 // #include "jni.h"
55 // #include "jvm_md.h"
58 #ifdef __cplusplus
59 extern "C" {
60 #endif
62 /*
63 * This file contains additional functions exported from the VM.
64 * These functions are complementary to the standard JNI support.
65 * There are three parts to this file:
66 *
67 * First, this file contains the VM-related functions needed by native
68 * libraries in the standard Java API. For example, the java.lang.Object
69 * class needs VM-level functions that wait for and notify monitors.
70 *
71 * Second, this file contains the functions and constant definitions
72 * needed by the byte code verifier and class file format checker.
73 * These functions allow the verifier and format checker to be written
74 * in a VM-independent way.
75 *
76 * Third, this file contains various I/O and nerwork operations needed
77 * by the standard Java I/O and network APIs.
78 */
80 /*
81 * Bump the version number when either of the following happens:
82 *
83 * 1. There is a change in JVM_* functions.
84 *
85 * 2. There is a change in the contract between VM and Java classes.
86 * For example, if the VM relies on a new private field in Thread
87 * class.
88 */
90 #define JVM_INTERFACE_VERSION 4
92 JNIEXPORT jobjectArray JNICALL
93 JVM_GetMethodParameters(JNIEnv *env, jobject method);
95 JNIEXPORT jint JNICALL
96 JVM_GetInterfaceVersion(void);
98 /*************************************************************************
99 PART 1: Functions for Native Libraries
100 ************************************************************************/
101 /*
102 * java.lang.Object
103 */
104 JNIEXPORT jint JNICALL
105 JVM_IHashCode(JNIEnv *env, jobject obj);
107 JNIEXPORT void JNICALL
108 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
110 JNIEXPORT void JNICALL
111 JVM_MonitorNotify(JNIEnv *env, jobject obj);
113 JNIEXPORT void JNICALL
114 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
116 JNIEXPORT jobject JNICALL
117 JVM_Clone(JNIEnv *env, jobject obj);
119 /*
120 * java.lang.String
121 */
122 JNIEXPORT jstring JNICALL
123 JVM_InternString(JNIEnv *env, jstring str);
125 /*
126 * java.lang.System
127 */
128 JNIEXPORT jlong JNICALL
129 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
131 JNIEXPORT jlong JNICALL
132 JVM_NanoTime(JNIEnv *env, jclass ignored);
134 JNIEXPORT void JNICALL
135 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
136 jobject dst, jint dst_pos, jint length);
138 JNIEXPORT jobject JNICALL
139 JVM_InitProperties(JNIEnv *env, jobject p);
141 /*
142 * java.io.File
143 */
144 JNIEXPORT void JNICALL
145 JVM_OnExit(void (*func)(void));
147 /*
148 * java.lang.Runtime
149 */
150 JNIEXPORT void JNICALL
151 JVM_Exit(jint code);
153 JNIEXPORT void JNICALL
154 JVM_Halt(jint code);
156 JNIEXPORT void JNICALL
157 JVM_GC(void);
159 /* Returns the number of real-time milliseconds that have elapsed since the
160 * least-recently-inspected heap object was last inspected by the garbage
161 * collector.
162 *
163 * For simple stop-the-world collectors this value is just the time
164 * since the most recent collection. For generational collectors it is the
165 * time since the oldest generation was most recently collected. Other
166 * collectors are free to return a pessimistic estimate of the elapsed time, or
167 * simply the time since the last full collection was performed.
168 *
169 * Note that in the presence of reference objects, a given object that is no
170 * longer strongly reachable may have to be inspected multiple times before it
171 * can be reclaimed.
172 */
173 JNIEXPORT jlong JNICALL
174 JVM_MaxObjectInspectionAge(void);
176 JNIEXPORT void JNICALL
177 JVM_TraceInstructions(jboolean on);
179 JNIEXPORT void JNICALL
180 JVM_TraceMethodCalls(jboolean on);
182 JNIEXPORT jlong JNICALL
183 JVM_TotalMemory(void);
185 JNIEXPORT jlong JNICALL
186 JVM_FreeMemory(void);
188 JNIEXPORT jlong JNICALL
189 JVM_MaxMemory(void);
191 JNIEXPORT jint JNICALL
192 JVM_ActiveProcessorCount(void);
194 JNIEXPORT void * JNICALL
195 JVM_LoadLibrary(const char *name);
197 JNIEXPORT void JNICALL
198 JVM_UnloadLibrary(void * handle);
200 JNIEXPORT void * JNICALL
201 JVM_FindLibraryEntry(void *handle, const char *name);
203 JNIEXPORT jboolean JNICALL
204 JVM_IsSupportedJNIVersion(jint version);
206 /*
207 * java.lang.Float and java.lang.Double
208 */
209 JNIEXPORT jboolean JNICALL
210 JVM_IsNaN(jdouble d);
212 /*
213 * java.lang.Throwable
214 */
215 JNIEXPORT void JNICALL
216 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
218 JNIEXPORT jint JNICALL
219 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
221 JNIEXPORT jobject JNICALL
222 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
224 /*
225 * java.lang.Compiler
226 */
227 JNIEXPORT void JNICALL
228 JVM_InitializeCompiler (JNIEnv *env, jclass compCls);
230 JNIEXPORT jboolean JNICALL
231 JVM_IsSilentCompiler(JNIEnv *env, jclass compCls);
233 JNIEXPORT jboolean JNICALL
234 JVM_CompileClass(JNIEnv *env, jclass compCls, jclass cls);
236 JNIEXPORT jboolean JNICALL
237 JVM_CompileClasses(JNIEnv *env, jclass cls, jstring jname);
239 JNIEXPORT jobject JNICALL
240 JVM_CompilerCommand(JNIEnv *env, jclass compCls, jobject arg);
242 JNIEXPORT void JNICALL
243 JVM_EnableCompiler(JNIEnv *env, jclass compCls);
245 JNIEXPORT void JNICALL
246 JVM_DisableCompiler(JNIEnv *env, jclass compCls);
248 /*
249 * java.lang.Thread
250 */
251 JNIEXPORT void JNICALL
252 JVM_StartThread(JNIEnv *env, jobject thread);
254 JNIEXPORT void JNICALL
255 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
257 JNIEXPORT jboolean JNICALL
258 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
260 JNIEXPORT void JNICALL
261 JVM_SuspendThread(JNIEnv *env, jobject thread);
263 JNIEXPORT void JNICALL
264 JVM_ResumeThread(JNIEnv *env, jobject thread);
266 JNIEXPORT void JNICALL
267 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
269 JNIEXPORT void JNICALL
270 JVM_Yield(JNIEnv *env, jclass threadClass);
272 JNIEXPORT void JNICALL
273 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
275 JNIEXPORT jobject JNICALL
276 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
278 JNIEXPORT jint JNICALL
279 JVM_CountStackFrames(JNIEnv *env, jobject thread);
281 JNIEXPORT void JNICALL
282 JVM_Interrupt(JNIEnv *env, jobject thread);
284 JNIEXPORT jboolean JNICALL
285 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
287 JNIEXPORT jboolean JNICALL
288 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
290 JNIEXPORT void JNICALL
291 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
293 JNIEXPORT jobjectArray JNICALL
294 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
296 JNIEXPORT void JNICALL
297 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
299 /* getStackTrace() and getAllStackTraces() method */
300 JNIEXPORT jobjectArray JNICALL
301 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
303 /*
304 * java.lang.SecurityManager
305 */
306 JNIEXPORT jclass JNICALL
307 JVM_CurrentLoadedClass(JNIEnv *env);
309 JNIEXPORT jobject JNICALL
310 JVM_CurrentClassLoader(JNIEnv *env);
312 JNIEXPORT jobjectArray JNICALL
313 JVM_GetClassContext(JNIEnv *env);
315 JNIEXPORT jint JNICALL
316 JVM_ClassDepth(JNIEnv *env, jstring name);
318 JNIEXPORT jint JNICALL
319 JVM_ClassLoaderDepth(JNIEnv *env);
321 /*
322 * java.lang.Package
323 */
324 JNIEXPORT jstring JNICALL
325 JVM_GetSystemPackage(JNIEnv *env, jstring name);
327 JNIEXPORT jobjectArray JNICALL
328 JVM_GetSystemPackages(JNIEnv *env);
330 /*
331 * java.io.ObjectInputStream
332 */
333 JNIEXPORT jobject JNICALL
334 JVM_AllocateNewObject(JNIEnv *env, jobject obj, jclass currClass,
335 jclass initClass);
337 JNIEXPORT jobject JNICALL
338 JVM_AllocateNewArray(JNIEnv *env, jobject obj, jclass currClass,
339 jint length);
341 JNIEXPORT jobject JNICALL
342 JVM_LatestUserDefinedLoader(JNIEnv *env);
344 /*
345 * This function has been deprecated and should not be considered
346 * part of the specified JVM interface.
347 */
348 JNIEXPORT jclass JNICALL
349 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass,
350 jstring currClassName);
352 /*
353 * java.lang.reflect.Array
354 */
355 JNIEXPORT jint JNICALL
356 JVM_GetArrayLength(JNIEnv *env, jobject arr);
358 JNIEXPORT jobject JNICALL
359 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
361 JNIEXPORT jvalue JNICALL
362 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
364 JNIEXPORT void JNICALL
365 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
367 JNIEXPORT void JNICALL
368 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
369 unsigned char vCode);
371 JNIEXPORT jobject JNICALL
372 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
374 JNIEXPORT jobject JNICALL
375 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
377 /*
378 * java.lang.Class and java.lang.ClassLoader
379 */
380 /*
381 * Returns the class in which the code invoking the native method
382 * belongs.
383 *
384 * Note that in JDK 1.1, native methods did not create a frame.
385 * In 1.2, they do. Therefore native methods like Class.forName
386 * can no longer look at the current frame for the caller class.
387 */
388 JNIEXPORT jclass JNICALL
389 JVM_GetCallerClass(JNIEnv *env, int n);
391 /*
392 * Find primitive classes
393 * utf: class name
394 */
395 JNIEXPORT jclass JNICALL
396 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
398 /*
399 * Link the class
400 */
401 JNIEXPORT void JNICALL
402 JVM_ResolveClass(JNIEnv *env, jclass cls);
404 /*
405 * Find a class from a given class loader. Throw ClassNotFoundException
406 * or NoClassDefFoundError depending on the value of the last
407 * argument.
408 */
409 JNIEXPORT jclass JNICALL
410 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init,
411 jobject loader, jboolean throwError);
413 /*
414 * Find a class from a boot class loader. Returns NULL if class not found.
415 */
416 JNIEXPORT jclass JNICALL
417 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
419 /*
420 * Find a class from a given class.
421 */
422 JNIEXPORT jclass JNICALL
423 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
424 jclass from);
426 /* Find a loaded class cached by the VM */
427 JNIEXPORT jclass JNICALL
428 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
430 /* Define a class */
431 JNIEXPORT jclass JNICALL
432 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
433 jsize len, jobject pd);
435 /* Define a class with a source (added in JDK1.5) */
436 JNIEXPORT jclass JNICALL
437 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
438 const jbyte *buf, jsize len, jobject pd,
439 const char *source);
441 /* Define a class with a source with conditional verification (added HSX 14)
442 * -Xverify:all will verify anyway, -Xverify:none will not verify,
443 * -Xverify:remote (default) will obey this conditional
444 * i.e. true = should_verify_class
445 */
446 JNIEXPORT jclass JNICALL
447 JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name,
448 jobject loader, const jbyte *buf,
449 jsize len, jobject pd, const char *source,
450 jboolean verify);
452 /*
453 * Reflection support functions
454 */
456 JNIEXPORT jstring JNICALL
457 JVM_GetClassName(JNIEnv *env, jclass cls);
459 JNIEXPORT jobjectArray JNICALL
460 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
462 JNIEXPORT jobject JNICALL
463 JVM_GetClassLoader(JNIEnv *env, jclass cls);
465 JNIEXPORT jboolean JNICALL
466 JVM_IsInterface(JNIEnv *env, jclass cls);
468 JNIEXPORT jobjectArray JNICALL
469 JVM_GetClassSigners(JNIEnv *env, jclass cls);
471 JNIEXPORT void JNICALL
472 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
474 JNIEXPORT jobject JNICALL
475 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
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 // field is a handle to a java.lang.reflect.Field object
527 JNIEXPORT jbyteArray JNICALL
528 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field);
530 // method is a handle to a java.lang.reflect.Method object
531 JNIEXPORT jbyteArray JNICALL
532 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method);
534 /*
535 * New (JDK 1.4) reflection implementation
536 */
538 JNIEXPORT jobjectArray JNICALL
539 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
541 JNIEXPORT jobjectArray JNICALL
542 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
544 JNIEXPORT jobjectArray JNICALL
545 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
547 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
548 This returns the access flags for the class as specified in the
549 class file rather than searching the InnerClasses attribute (if
550 present) to find the source-level access flags. Only the values of
551 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
552 valid. */
553 JNIEXPORT jint JNICALL
554 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
556 /*
557 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
558 */
560 JNIEXPORT jobject JNICALL
561 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
563 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
564 (JNIEnv *env, jobject obj, jobject unused);
566 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
567 (JNIEnv *env, jobject obj, jobject unused, jint index);
569 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
570 (JNIEnv *env, jobject obj, jobject unused, jint index);
572 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
573 (JNIEnv *env, jobject obj, jobject unused, jint index);
575 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
576 (JNIEnv *env, jobject obj, jobject unused, jint index);
578 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
579 (JNIEnv *env, jobject obj, jobject unused, jint index);
581 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
582 (JNIEnv *env, jobject obj, jobject unused, jint index);
584 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
585 (JNIEnv *env, jobject obj, jobject unused, jint index);
587 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
588 (JNIEnv *env, jobject obj, jobject unused, jint index);
590 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
591 (JNIEnv *env, jobject obj, jobject unused, jint index);
593 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
594 (JNIEnv *env, jobject obj, jobject unused, jint index);
596 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
597 (JNIEnv *env, jobject obj, jobject unused, jint index);
599 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
600 (JNIEnv *env, jobject obj, jobject unused, jint index);
602 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
603 (JNIEnv *env, jobject obj, jobject unused, jint index);
605 /*
606 * java.security.*
607 */
609 JNIEXPORT jobject JNICALL
610 JVM_DoPrivileged(JNIEnv *env, jclass cls,
611 jobject action, jobject context, jboolean wrapException);
613 JNIEXPORT jobject JNICALL
614 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
616 JNIEXPORT jobject JNICALL
617 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
619 /*
620 * Signal support, used to implement the shutdown sequence. Every VM must
621 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
622 * (^C) and the latter for external termination (kill, system shutdown, etc.).
623 * Other platform-dependent signal values may also be supported.
624 */
626 JNIEXPORT void * JNICALL
627 JVM_RegisterSignal(jint sig, void *handler);
629 JNIEXPORT jboolean JNICALL
630 JVM_RaiseSignal(jint sig);
632 JNIEXPORT jint JNICALL
633 JVM_FindSignal(const char *name);
635 /*
636 * Retrieve the assertion directives for the specified class.
637 */
638 JNIEXPORT jboolean JNICALL
639 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
641 /*
642 * Retrieve the assertion directives from the VM.
643 */
644 JNIEXPORT jobject JNICALL
645 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
647 /*
648 * java.util.concurrent.atomic.AtomicLong
649 */
650 JNIEXPORT jboolean JNICALL
651 JVM_SupportsCX8(void);
653 JNIEXPORT jboolean JNICALL
654 JVM_CX8Field(JNIEnv *env, jobject obj, jfieldID fldID, jlong oldVal, jlong newVal);
656 /*
657 * com.sun.dtrace.jsdt support
658 */
660 #define JVM_TRACING_DTRACE_VERSION 1
662 /*
663 * Structure to pass one probe description to JVM.
664 *
665 * The VM will overwrite the definition of the referenced method with
666 * code that will fire the probe.
667 */
668 typedef struct {
669 jmethodID method;
670 jstring function;
671 jstring name;
672 void* reserved[4]; // for future use
673 } JVM_DTraceProbe;
675 /**
676 * Encapsulates the stability ratings for a DTrace provider field
677 */
678 typedef struct {
679 jint nameStability;
680 jint dataStability;
681 jint dependencyClass;
682 } JVM_DTraceInterfaceAttributes;
684 /*
685 * Structure to pass one provider description to JVM
686 */
687 typedef struct {
688 jstring name;
689 JVM_DTraceProbe* probes;
690 jint probe_count;
691 JVM_DTraceInterfaceAttributes providerAttributes;
692 JVM_DTraceInterfaceAttributes moduleAttributes;
693 JVM_DTraceInterfaceAttributes functionAttributes;
694 JVM_DTraceInterfaceAttributes nameAttributes;
695 JVM_DTraceInterfaceAttributes argsAttributes;
696 void* reserved[4]; // for future use
697 } JVM_DTraceProvider;
699 /*
700 * Get the version number the JVM was built with
701 */
702 JNIEXPORT jint JNICALL
703 JVM_DTraceGetVersion(JNIEnv* env);
705 /*
706 * Register new probe with given signature, return global handle
707 *
708 * The version passed in is the version that the library code was
709 * built with.
710 */
711 JNIEXPORT jlong JNICALL
712 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name,
713 jint providers_count, JVM_DTraceProvider* providers);
715 /*
716 * Check JSDT probe
717 */
718 JNIEXPORT jboolean JNICALL
719 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method);
721 /*
722 * Destroy custom DOF
723 */
724 JNIEXPORT void JNICALL
725 JVM_DTraceDispose(JNIEnv* env, jlong handle);
727 /*
728 * Check to see if DTrace is supported by OS
729 */
730 JNIEXPORT jboolean JNICALL
731 JVM_DTraceIsSupported(JNIEnv* env);
733 /*************************************************************************
734 PART 2: Support for the Verifier and Class File Format Checker
735 ************************************************************************/
736 /*
737 * Return the class name in UTF format. The result is valid
738 * until JVM_ReleaseUTf is called.
739 *
740 * The caller must treat the string as a constant and not modify it
741 * in any way.
742 */
743 JNIEXPORT const char * JNICALL
744 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
746 /*
747 * Returns the constant pool types in the buffer provided by "types."
748 */
749 JNIEXPORT void JNICALL
750 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
752 /*
753 * Returns the number of Constant Pool entries.
754 */
755 JNIEXPORT jint JNICALL
756 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
758 /*
759 * Returns the number of *declared* fields or methods.
760 */
761 JNIEXPORT jint JNICALL
762 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
764 JNIEXPORT jint JNICALL
765 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
767 /*
768 * Returns the CP indexes of exceptions raised by a given method.
769 * Places the result in the given buffer.
770 *
771 * The method is identified by method_index.
772 */
773 JNIEXPORT void JNICALL
774 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
775 unsigned short *exceptions);
776 /*
777 * Returns the number of exceptions raised by a given method.
778 * The method is identified by method_index.
779 */
780 JNIEXPORT jint JNICALL
781 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
783 /*
784 * Returns the byte code sequence of a given method.
785 * Places the result in the given buffer.
786 *
787 * The method is identified by method_index.
788 */
789 JNIEXPORT void JNICALL
790 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
791 unsigned char *code);
793 /*
794 * Returns the length of the byte code sequence of a given method.
795 * The method is identified by method_index.
796 */
797 JNIEXPORT jint JNICALL
798 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
800 /*
801 * A structure used to a capture exception table entry in a Java method.
802 */
803 typedef struct {
804 jint start_pc;
805 jint end_pc;
806 jint handler_pc;
807 jint catchType;
808 } JVM_ExceptionTableEntryType;
810 /*
811 * Returns the exception table entry at entry_index of a given method.
812 * Places the result in the given buffer.
813 *
814 * The method is identified by method_index.
815 */
816 JNIEXPORT void JNICALL
817 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
818 jint entry_index,
819 JVM_ExceptionTableEntryType *entry);
821 /*
822 * Returns the length of the exception table of a given method.
823 * The method is identified by method_index.
824 */
825 JNIEXPORT jint JNICALL
826 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
828 /*
829 * Returns the modifiers of a given field.
830 * The field is identified by field_index.
831 */
832 JNIEXPORT jint JNICALL
833 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
835 /*
836 * Returns the modifiers of a given method.
837 * The method is identified by method_index.
838 */
839 JNIEXPORT jint JNICALL
840 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
842 /*
843 * Returns the number of local variables of a given method.
844 * The method is identified by method_index.
845 */
846 JNIEXPORT jint JNICALL
847 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
849 /*
850 * Returns the number of arguments (including this pointer) of a given method.
851 * The method is identified by method_index.
852 */
853 JNIEXPORT jint JNICALL
854 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
856 /*
857 * Returns the maximum amount of stack (in words) used by a given method.
858 * The method is identified by method_index.
859 */
860 JNIEXPORT jint JNICALL
861 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
863 /*
864 * Is a given method a constructor.
865 * The method is identified by method_index.
866 */
867 JNIEXPORT jboolean JNICALL
868 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
870 /*
871 * Is the given method generated by the VM.
872 * The method is identified by method_index.
873 */
874 JNIEXPORT jboolean JNICALL
875 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
877 /*
878 * Returns the name of a given method in UTF format.
879 * The result remains valid until JVM_ReleaseUTF is called.
880 *
881 * The caller must treat the string as a constant and not modify it
882 * in any way.
883 */
884 JNIEXPORT const char * JNICALL
885 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
887 /*
888 * Returns the signature of a given method in UTF format.
889 * The result remains valid until JVM_ReleaseUTF is called.
890 *
891 * The caller must treat the string as a constant and not modify it
892 * in any way.
893 */
894 JNIEXPORT const char * JNICALL
895 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
897 /*
898 * Returns the name of the field refered to at a given constant pool
899 * index.
900 *
901 * The result is in UTF format and remains valid until JVM_ReleaseUTF
902 * is called.
903 *
904 * The caller must treat the string as a constant and not modify it
905 * in any way.
906 */
907 JNIEXPORT const char * JNICALL
908 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
910 /*
911 * Returns the name of the method refered to at a given constant pool
912 * index.
913 *
914 * The result is in UTF format and remains valid until JVM_ReleaseUTF
915 * is called.
916 *
917 * The caller must treat the string as a constant and not modify it
918 * in any way.
919 */
920 JNIEXPORT const char * JNICALL
921 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
923 /*
924 * Returns the signature of the method refered to at a given constant pool
925 * index.
926 *
927 * The result is in UTF format and remains valid until JVM_ReleaseUTF
928 * is called.
929 *
930 * The caller must treat the string as a constant and not modify it
931 * in any way.
932 */
933 JNIEXPORT const char * JNICALL
934 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
936 /*
937 * Returns the signature of the field refered to at a given constant pool
938 * index.
939 *
940 * The result is in UTF format and remains valid until JVM_ReleaseUTF
941 * is called.
942 *
943 * The caller must treat the string as a constant and not modify it
944 * in any way.
945 */
946 JNIEXPORT const char * JNICALL
947 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
949 /*
950 * Returns the class name refered to at a given constant pool index.
951 *
952 * The result is in UTF format and remains valid until JVM_ReleaseUTF
953 * is called.
954 *
955 * The caller must treat the string as a constant and not modify it
956 * in any way.
957 */
958 JNIEXPORT const char * JNICALL
959 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
961 /*
962 * Returns the class name refered to at a given constant pool index.
963 *
964 * The constant pool entry must refer to a CONSTANT_Fieldref.
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_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
975 /*
976 * Returns the class name refered to at a given constant pool index.
977 *
978 * The constant pool entry must refer to CONSTANT_Methodref or
979 * CONSTANT_InterfaceMethodref.
980 *
981 * The result is in UTF format and remains valid until JVM_ReleaseUTF
982 * is called.
983 *
984 * The caller must treat the string as a constant and not modify it
985 * in any way.
986 */
987 JNIEXPORT const char * JNICALL
988 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
990 /*
991 * Returns the modifiers of a field in calledClass. The field is
992 * referred to in class cb at constant pool entry index.
993 *
994 * The caller must treat the string as a constant and not modify it
995 * in any way.
996 *
997 * Returns -1 if the field does not exist in calledClass.
998 */
999 JNIEXPORT jint JNICALL
1000 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
1002 /*
1003 * Returns the modifiers of a method in calledClass. The method is
1004 * referred to in class cb at constant pool entry index.
1005 *
1006 * Returns -1 if the method does not exist in calledClass.
1007 */
1008 JNIEXPORT jint JNICALL
1009 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
1011 /*
1012 * Releases the UTF string obtained from the VM.
1013 */
1014 JNIEXPORT void JNICALL
1015 JVM_ReleaseUTF(const char *utf);
1017 /*
1018 * Compare if two classes are in the same package.
1019 */
1020 JNIEXPORT jboolean JNICALL
1021 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
1023 /* Constants in class files */
1025 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
1026 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
1027 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
1028 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
1029 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
1030 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
1031 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
1032 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
1033 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
1034 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
1035 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
1036 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
1037 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
1038 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
1039 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
1040 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
1041 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
1042 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
1044 #define JVM_ACC_PUBLIC_BIT 0
1045 #define JVM_ACC_PRIVATE_BIT 1
1046 #define JVM_ACC_PROTECTED_BIT 2
1047 #define JVM_ACC_STATIC_BIT 3
1048 #define JVM_ACC_FINAL_BIT 4
1049 #define JVM_ACC_SYNCHRONIZED_BIT 5
1050 #define JVM_ACC_SUPER_BIT 5
1051 #define JVM_ACC_VOLATILE_BIT 6
1052 #define JVM_ACC_BRIDGE_BIT 6
1053 #define JVM_ACC_TRANSIENT_BIT 7
1054 #define JVM_ACC_VARARGS_BIT 7
1055 #define JVM_ACC_NATIVE_BIT 8
1056 #define JVM_ACC_INTERFACE_BIT 9
1057 #define JVM_ACC_ABSTRACT_BIT 10
1058 #define JVM_ACC_STRICT_BIT 11
1059 #define JVM_ACC_SYNTHETIC_BIT 12
1060 #define JVM_ACC_ANNOTATION_BIT 13
1061 #define JVM_ACC_ENUM_BIT 14
1063 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
1064 enum {
1065 JVM_CONSTANT_Utf8 = 1,
1066 JVM_CONSTANT_Unicode, /* unused */
1067 JVM_CONSTANT_Integer,
1068 JVM_CONSTANT_Float,
1069 JVM_CONSTANT_Long,
1070 JVM_CONSTANT_Double,
1071 JVM_CONSTANT_Class,
1072 JVM_CONSTANT_String,
1073 JVM_CONSTANT_Fieldref,
1074 JVM_CONSTANT_Methodref,
1075 JVM_CONSTANT_InterfaceMethodref,
1076 JVM_CONSTANT_NameAndType,
1077 JVM_CONSTANT_MethodHandle = 15, // JSR 292
1078 JVM_CONSTANT_MethodType = 16, // JSR 292
1079 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only
1080 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292
1081 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles
1082 };
1084 /* JVM_CONSTANT_MethodHandle subtypes */
1085 enum {
1086 JVM_REF_getField = 1,
1087 JVM_REF_getStatic = 2,
1088 JVM_REF_putField = 3,
1089 JVM_REF_putStatic = 4,
1090 JVM_REF_invokeVirtual = 5,
1091 JVM_REF_invokeStatic = 6,
1092 JVM_REF_invokeSpecial = 7,
1093 JVM_REF_newInvokeSpecial = 8,
1094 JVM_REF_invokeInterface = 9
1095 };
1097 /* Used in the newarray instruction. */
1099 #define JVM_T_BOOLEAN 4
1100 #define JVM_T_CHAR 5
1101 #define JVM_T_FLOAT 6
1102 #define JVM_T_DOUBLE 7
1103 #define JVM_T_BYTE 8
1104 #define JVM_T_SHORT 9
1105 #define JVM_T_INT 10
1106 #define JVM_T_LONG 11
1108 /* JVM method signatures */
1110 #define JVM_SIGNATURE_ARRAY '['
1111 #define JVM_SIGNATURE_BYTE 'B'
1112 #define JVM_SIGNATURE_CHAR 'C'
1113 #define JVM_SIGNATURE_CLASS 'L'
1114 #define JVM_SIGNATURE_ENDCLASS ';'
1115 #define JVM_SIGNATURE_ENUM 'E'
1116 #define JVM_SIGNATURE_FLOAT 'F'
1117 #define JVM_SIGNATURE_DOUBLE 'D'
1118 #define JVM_SIGNATURE_FUNC '('
1119 #define JVM_SIGNATURE_ENDFUNC ')'
1120 #define JVM_SIGNATURE_INT 'I'
1121 #define JVM_SIGNATURE_LONG 'J'
1122 #define JVM_SIGNATURE_SHORT 'S'
1123 #define JVM_SIGNATURE_VOID 'V'
1124 #define JVM_SIGNATURE_BOOLEAN 'Z'
1126 /*
1127 * A function defined by the byte-code verifier and called by the VM.
1128 * This is not a function implemented in the VM.
1129 *
1130 * Returns JNI_FALSE if verification fails. A detailed error message
1131 * will be places in msg_buf, whose length is specified by buf_len.
1132 */
1133 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1134 jclass cb,
1135 char * msg_buf,
1136 jint buf_len);
1139 /*
1140 * Support for a VM-independent class format checker.
1141 */
1142 typedef struct {
1143 unsigned long code; /* byte code */
1144 unsigned long excs; /* exceptions */
1145 unsigned long etab; /* catch table */
1146 unsigned long lnum; /* line number */
1147 unsigned long lvar; /* local vars */
1148 } method_size_info;
1150 typedef struct {
1151 unsigned int constants; /* constant pool */
1152 unsigned int fields;
1153 unsigned int methods;
1154 unsigned int interfaces;
1155 unsigned int fields2; /* number of static 2-word fields */
1156 unsigned int innerclasses; /* # of records in InnerClasses attr */
1158 method_size_info clinit; /* memory used in clinit */
1159 method_size_info main; /* used everywhere else */
1160 } class_size_info;
1162 /*
1163 * Functions defined in libjava.so to perform string conversions.
1164 *
1165 */
1167 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1169 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1171 /* This is the function defined in libjava.so that performs class
1172 * format checks. This functions fills in size information about
1173 * the class file and returns:
1174 *
1175 * 0: good
1176 * -1: out of memory
1177 * -2: bad format
1178 * -3: unsupported version
1179 * -4: bad class name
1180 */
1182 typedef jint (*check_format_fn_t)(char *class_name,
1183 unsigned char *data,
1184 unsigned int data_size,
1185 class_size_info *class_size,
1186 char *message_buffer,
1187 jint buffer_length,
1188 jboolean measure_only,
1189 jboolean check_relaxed);
1191 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1192 JVM_ACC_FINAL | \
1193 JVM_ACC_SUPER | \
1194 JVM_ACC_INTERFACE | \
1195 JVM_ACC_ABSTRACT | \
1196 JVM_ACC_ANNOTATION | \
1197 JVM_ACC_ENUM | \
1198 JVM_ACC_SYNTHETIC)
1200 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1201 JVM_ACC_PRIVATE | \
1202 JVM_ACC_PROTECTED | \
1203 JVM_ACC_STATIC | \
1204 JVM_ACC_FINAL | \
1205 JVM_ACC_VOLATILE | \
1206 JVM_ACC_TRANSIENT | \
1207 JVM_ACC_ENUM | \
1208 JVM_ACC_SYNTHETIC)
1210 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1211 JVM_ACC_PRIVATE | \
1212 JVM_ACC_PROTECTED | \
1213 JVM_ACC_STATIC | \
1214 JVM_ACC_FINAL | \
1215 JVM_ACC_SYNCHRONIZED | \
1216 JVM_ACC_BRIDGE | \
1217 JVM_ACC_VARARGS | \
1218 JVM_ACC_NATIVE | \
1219 JVM_ACC_ABSTRACT | \
1220 JVM_ACC_STRICT | \
1221 JVM_ACC_SYNTHETIC)
1223 /*
1224 * This is the function defined in libjava.so to perform path
1225 * canonicalization. VM call this function before opening jar files
1226 * to load system classes.
1227 *
1228 */
1230 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1232 /*************************************************************************
1233 PART 3: I/O and Network Support
1234 ************************************************************************/
1236 /* Note that the JVM IO functions are expected to return JVM_IO_ERR
1237 * when there is any kind of error. The caller can then use the
1238 * platform specific support (e.g., errno) to get the detailed
1239 * error info. The JVM_GetLastErrorString procedure may also be used
1240 * to obtain a descriptive error string.
1241 */
1242 #define JVM_IO_ERR (-1)
1244 /* For interruptible IO. Returning JVM_IO_INTR indicates that an IO
1245 * operation has been disrupted by Thread.interrupt. There are a
1246 * number of technical difficulties related to interruptible IO that
1247 * need to be solved. For example, most existing programs do not handle
1248 * InterruptedIOExceptions specially, they simply treat those as any
1249 * IOExceptions, which typically indicate fatal errors.
1250 *
1251 * There are also two modes of operation for interruptible IO. In the
1252 * resumption mode, an interrupted IO operation is guaranteed not to
1253 * have any side-effects, and can be restarted. In the termination mode,
1254 * an interrupted IO operation corrupts the underlying IO stream, so
1255 * that the only reasonable operation on an interrupted stream is to
1256 * close that stream. The resumption mode seems to be impossible to
1257 * implement on Win32 and Solaris. Implementing the termination mode is
1258 * easier, but it's not clear that's the right semantics.
1259 *
1260 * Interruptible IO is not supported on Win32.It can be enabled/disabled
1261 * using a compile-time flag on Solaris. Third-party JVM ports do not
1262 * need to implement interruptible IO.
1263 */
1264 #define JVM_IO_INTR (-2)
1266 /* Write a string into the given buffer, in the platform's local encoding,
1267 * that describes the most recent system-level error to occur in this thread.
1268 * Return the length of the string or zero if no error occurred.
1269 */
1270 JNIEXPORT jint JNICALL
1271 JVM_GetLastErrorString(char *buf, int len);
1273 /*
1274 * Convert a pathname into native format. This function does syntactic
1275 * cleanup, such as removing redundant separator characters. It modifies
1276 * the given pathname string in place.
1277 */
1278 JNIEXPORT char * JNICALL
1279 JVM_NativePath(char *);
1281 /*
1282 * JVM I/O error codes
1283 */
1284 #define JVM_EEXIST -100
1286 /*
1287 * Open a file descriptor. This function returns a negative error code
1288 * on error, and a non-negative integer that is the file descriptor on
1289 * success.
1290 */
1291 JNIEXPORT jint JNICALL
1292 JVM_Open(const char *fname, jint flags, jint mode);
1294 /*
1295 * Close a file descriptor. This function returns -1 on error, and 0
1296 * on success.
1297 *
1298 * fd the file descriptor to close.
1299 */
1300 JNIEXPORT jint JNICALL
1301 JVM_Close(jint fd);
1303 /*
1304 * Read data from a file decriptor into a char array.
1305 *
1306 * fd the file descriptor to read from.
1307 * buf the buffer where to put the read data.
1308 * nbytes the number of bytes to read.
1309 *
1310 * This function returns -1 on error, and 0 on success.
1311 */
1312 JNIEXPORT jint JNICALL
1313 JVM_Read(jint fd, char *buf, jint nbytes);
1315 /*
1316 * Write data from a char array to a file decriptor.
1317 *
1318 * fd the file descriptor to read from.
1319 * buf the buffer from which to fetch the data.
1320 * nbytes the number of bytes to write.
1321 *
1322 * This function returns -1 on error, and 0 on success.
1323 */
1324 JNIEXPORT jint JNICALL
1325 JVM_Write(jint fd, char *buf, jint nbytes);
1327 /*
1328 * Returns the number of bytes available for reading from a given file
1329 * descriptor
1330 */
1331 JNIEXPORT jint JNICALL
1332 JVM_Available(jint fd, jlong *pbytes);
1334 /*
1335 * Move the file descriptor pointer from whence by offset.
1336 *
1337 * fd the file descriptor to move.
1338 * offset the number of bytes to move it by.
1339 * whence the start from where to move it.
1340 *
1341 * This function returns the resulting pointer location.
1342 */
1343 JNIEXPORT jlong JNICALL
1344 JVM_Lseek(jint fd, jlong offset, jint whence);
1346 /*
1347 * Set the length of the file associated with the given descriptor to the given
1348 * length. If the new length is longer than the current length then the file
1349 * is extended; the contents of the extended portion are not defined. The
1350 * value of the file pointer is undefined after this procedure returns.
1351 */
1352 JNIEXPORT jint JNICALL
1353 JVM_SetLength(jint fd, jlong length);
1355 /*
1356 * Synchronize the file descriptor's in memory state with that of the
1357 * physical device. Return of -1 is an error, 0 is OK.
1358 */
1359 JNIEXPORT jint JNICALL
1360 JVM_Sync(jint fd);
1362 /*
1363 * Networking library support
1364 */
1366 JNIEXPORT jint JNICALL
1367 JVM_InitializeSocketLibrary(void);
1369 struct sockaddr;
1371 JNIEXPORT jint JNICALL
1372 JVM_Socket(jint domain, jint type, jint protocol);
1374 JNIEXPORT jint JNICALL
1375 JVM_SocketClose(jint fd);
1377 JNIEXPORT jint JNICALL
1378 JVM_SocketShutdown(jint fd, jint howto);
1380 JNIEXPORT jint JNICALL
1381 JVM_Recv(jint fd, char *buf, jint nBytes, jint flags);
1383 JNIEXPORT jint JNICALL
1384 JVM_Send(jint fd, char *buf, jint nBytes, jint flags);
1386 JNIEXPORT jint JNICALL
1387 JVM_Timeout(int fd, long timeout);
1389 JNIEXPORT jint JNICALL
1390 JVM_Listen(jint fd, jint count);
1392 JNIEXPORT jint JNICALL
1393 JVM_Connect(jint fd, struct sockaddr *him, jint len);
1395 JNIEXPORT jint JNICALL
1396 JVM_Bind(jint fd, struct sockaddr *him, jint len);
1398 JNIEXPORT jint JNICALL
1399 JVM_Accept(jint fd, struct sockaddr *him, jint *len);
1401 JNIEXPORT jint JNICALL
1402 JVM_RecvFrom(jint fd, char *buf, int nBytes,
1403 int flags, struct sockaddr *from, int *fromlen);
1405 JNIEXPORT jint JNICALL
1406 JVM_SendTo(jint fd, char *buf, int len,
1407 int flags, struct sockaddr *to, int tolen);
1409 JNIEXPORT jint JNICALL
1410 JVM_SocketAvailable(jint fd, jint *result);
1413 JNIEXPORT jint JNICALL
1414 JVM_GetSockName(jint fd, struct sockaddr *him, int *len);
1416 JNIEXPORT jint JNICALL
1417 JVM_GetSockOpt(jint fd, int level, int optname, char *optval, int *optlen);
1419 JNIEXPORT jint JNICALL
1420 JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen);
1422 JNIEXPORT int JNICALL
1423 JVM_GetHostName(char* name, int namelen);
1425 /*
1426 * The standard printing functions supported by the Java VM. (Should they
1427 * be renamed to JVM_* in the future?
1428 */
1430 /*
1431 * BE CAREFUL! The following functions do not implement the
1432 * full feature set of standard C printf formats.
1433 */
1434 JNIEXPORT int
1435 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1437 JNIEXPORT int
1438 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1440 JNIEXPORT int
1441 jio_fprintf(FILE *, const char *fmt, ...);
1443 JNIEXPORT int
1444 jio_vfprintf(FILE *, const char *fmt, va_list args);
1447 JNIEXPORT void * JNICALL
1448 JVM_RawMonitorCreate(void);
1450 JNIEXPORT void JNICALL
1451 JVM_RawMonitorDestroy(void *mon);
1453 JNIEXPORT jint JNICALL
1454 JVM_RawMonitorEnter(void *mon);
1456 JNIEXPORT void JNICALL
1457 JVM_RawMonitorExit(void *mon);
1459 /*
1460 * java.lang.reflect.Method
1461 */
1462 JNIEXPORT jobject JNICALL
1463 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1465 /*
1466 * java.lang.reflect.Constructor
1467 */
1468 JNIEXPORT jobject JNICALL
1469 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1471 /*
1472 * java.lang.management support
1473 */
1474 JNIEXPORT void* JNICALL
1475 JVM_GetManagement(jint version);
1477 /*
1478 * com.sun.tools.attach.VirtualMachine support
1479 *
1480 * Initialize the agent properties with the properties maintained in the VM.
1481 */
1482 JNIEXPORT jobject JNICALL
1483 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1485 /* Generics reflection support.
1486 *
1487 * Returns information about the given class's EnclosingMethod
1488 * attribute, if present, or null if the class had no enclosing
1489 * method.
1490 *
1491 * If non-null, the returned array contains three elements. Element 0
1492 * is the java.lang.Class of which the enclosing method is a member,
1493 * and elements 1 and 2 are the java.lang.Strings for the enclosing
1494 * method's name and descriptor, respectively.
1495 */
1496 JNIEXPORT jobjectArray JNICALL
1497 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1499 /*
1500 * Java thread state support
1501 */
1502 enum {
1503 JAVA_THREAD_STATE_NEW = 0,
1504 JAVA_THREAD_STATE_RUNNABLE = 1,
1505 JAVA_THREAD_STATE_BLOCKED = 2,
1506 JAVA_THREAD_STATE_WAITING = 3,
1507 JAVA_THREAD_STATE_TIMED_WAITING = 4,
1508 JAVA_THREAD_STATE_TERMINATED = 5,
1509 JAVA_THREAD_STATE_COUNT = 6
1510 };
1512 /*
1513 * Returns an array of the threadStatus values representing the
1514 * given Java thread state. Returns NULL if the VM version is
1515 * incompatible with the JDK or doesn't support the given
1516 * Java thread state.
1517 */
1518 JNIEXPORT jintArray JNICALL
1519 JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState);
1521 /*
1522 * Returns an array of the substate names representing the
1523 * given Java thread state. Returns NULL if the VM version is
1524 * incompatible with the JDK or the VM doesn't support
1525 * the given Java thread state.
1526 * values must be the jintArray returned from JVM_GetThreadStateValues
1527 * and javaThreadState.
1528 */
1529 JNIEXPORT jobjectArray JNICALL
1530 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values);
1532 /* =========================================================================
1533 * The following defines a private JVM interface that the JDK can query
1534 * for the JVM version and capabilities. sun.misc.Version defines
1535 * the methods for getting the VM version and its capabilities.
1536 *
1537 * When a new bit is added, the following should be updated to provide
1538 * access to the new capability:
1539 * HS: JVM_GetVersionInfo and Abstract_VM_Version class
1540 * SDK: Version class
1541 *
1542 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1543 * JVM to query for the JDK version and capabilities.
1544 *
1545 * When a new bit is added, the following should be updated to provide
1546 * access to the new capability:
1547 * HS: JDK_Version class
1548 * SDK: JDK_GetVersionInfo0
1549 *
1550 * ==========================================================================
1551 */
1552 typedef struct {
1553 /* HotSpot Express VM version string:
1554 * <major>.<minor>-bxx[-<identifier>][-<debug_flavor>]
1555 */
1556 unsigned int jvm_version; /* Consists of major.minor.0.build */
1557 unsigned int update_version : 8; /* 0 in HotSpot Express VM */
1558 unsigned int special_update_version : 8; /* 0 in HotSpot Express VM */
1559 unsigned int reserved1 : 16;
1560 unsigned int reserved2;
1562 /* The following bits represents JVM supports that JDK has dependency on.
1563 * JDK can use these bits to determine which JVM version
1564 * and support it has to maintain runtime compatibility.
1565 *
1566 * When a new bit is added in a minor or update release, make sure
1567 * the new bit is also added in the main/baseline.
1568 */
1569 unsigned int is_attachable : 1;
1570 unsigned int : 31;
1571 unsigned int : 32;
1572 unsigned int : 32;
1573 } jvm_version_info;
1575 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1576 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1577 // Micro version is 0 in HotSpot Express VM (set in jvm.cpp).
1578 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1579 /* Build number is available in all HotSpot Express VM builds.
1580 * It is defined in make/hotspot_version file.
1581 */
1582 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1584 JNIEXPORT void JNICALL
1585 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1587 typedef struct {
1588 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1589 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */
1590 /* and build number (xx) */
1591 unsigned int update_version : 8; /* Update release version (uu) */
1592 unsigned int special_update_version : 8; /* Special update release version (c)*/
1593 unsigned int reserved1 : 16;
1594 unsigned int reserved2;
1596 /* The following bits represents new JDK supports that VM has dependency on.
1597 * VM implementation can use these bits to determine which JDK version
1598 * and support it has to maintain runtime compatibility.
1599 *
1600 * When a new bit is added in a minor or update release, make sure
1601 * the new bit is also added in the main/baseline.
1602 */
1603 unsigned int thread_park_blocker : 1;
1604 unsigned int post_vm_init_hook_enabled : 1;
1605 unsigned int pending_list_uses_discovered_field : 1;
1606 unsigned int : 29;
1607 unsigned int : 32;
1608 unsigned int : 32;
1609 } jdk_version_info;
1611 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1612 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1613 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1615 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1616 * It will be zero for internal builds.
1617 */
1618 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1620 /*
1621 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1622 * that is dynamically looked up by JVM.
1623 */
1624 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1626 /*
1627 * This structure is used by the launcher to get the default thread
1628 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1629 * version of 1.1. As it is not supported otherwise, it has been removed
1630 * from jni.h
1631 */
1632 typedef struct JDK1_1InitArgs {
1633 jint version;
1635 char **properties;
1636 jint checkSource;
1637 jint nativeStackSize;
1638 jint javaStackSize;
1639 jint minHeapSize;
1640 jint maxHeapSize;
1641 jint verifyMode;
1642 char *classpath;
1644 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1645 void (JNICALL *exit)(jint code);
1646 void (JNICALL *abort)(void);
1648 jint enableClassGC;
1649 jint enableVerboseGC;
1650 jint disableAsyncGC;
1651 jint verbose;
1652 jboolean debugging;
1653 jint debugPort;
1654 } JDK1_1InitArgs;
1656 #ifdef __cplusplus
1657 } /* extern "C" */
1658 #endif /* __cplusplus */
1660 #endif /* !_JAVASOFT_JVM_H_ */
1662 #endif // SHARE_VM_PRIMS_JVM_H
