Mon, 08 Jul 2013 19:36:22 -0400
8014399: Remove JVM_SetProtectionDomain from hotspot
Summary: JVM_SetProtectionDomain has been deprecated since 1.5 and is being removed
Reviewed-by: coleenp, hseigel
Contributed-by: eric.mccorkle@oracle.com
1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef SHARE_VM_PRIMS_JVM_H
26 #define SHARE_VM_PRIMS_JVM_H
28 #include "prims/jni.h"
29 #ifdef TARGET_OS_FAMILY_linux
30 # include "jvm_linux.h"
31 #endif
32 #ifdef TARGET_OS_FAMILY_solaris
33 # include "jvm_solaris.h"
34 #endif
35 #ifdef TARGET_OS_FAMILY_windows
36 # include "jvm_windows.h"
37 #endif
38 #ifdef TARGET_OS_FAMILY_bsd
39 # include "jvm_bsd.h"
40 #endif
42 #ifndef _JAVASOFT_JVM_H_
43 #define _JAVASOFT_JVM_H_
45 // HotSpot integration note:
46 //
47 // This file and jvm.h used with the JDK are identical,
48 // except for the three includes removed below
50 // #include <sys/stat.h>
51 // #include "jni.h"
52 // #include "jvm_md.h"
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
59 /*
60 * This file contains additional functions exported from the VM.
61 * These functions are complementary to the standard JNI support.
62 * There are three parts to this file:
63 *
64 * First, this file contains the VM-related functions needed by native
65 * libraries in the standard Java API. For example, the java.lang.Object
66 * class needs VM-level functions that wait for and notify monitors.
67 *
68 * Second, this file contains the functions and constant definitions
69 * needed by the byte code verifier and class file format checker.
70 * These functions allow the verifier and format checker to be written
71 * in a VM-independent way.
72 *
73 * Third, this file contains various I/O and nerwork operations needed
74 * by the standard Java I/O and network APIs.
75 */
77 /*
78 * Bump the version number when either of the following happens:
79 *
80 * 1. There is a change in JVM_* functions.
81 *
82 * 2. There is a change in the contract between VM and Java classes.
83 * For example, if the VM relies on a new private field in Thread
84 * class.
85 */
87 #define JVM_INTERFACE_VERSION 4
89 JNIEXPORT jobjectArray JNICALL
90 JVM_GetMethodParameters(JNIEnv *env, jobject method);
92 JNIEXPORT jint JNICALL
93 JVM_GetInterfaceVersion(void);
95 /*************************************************************************
96 PART 1: Functions for Native Libraries
97 ************************************************************************/
98 /*
99 * java.lang.Object
100 */
101 JNIEXPORT jint JNICALL
102 JVM_IHashCode(JNIEnv *env, jobject obj);
104 JNIEXPORT void JNICALL
105 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
107 JNIEXPORT void JNICALL
108 JVM_MonitorNotify(JNIEnv *env, jobject obj);
110 JNIEXPORT void JNICALL
111 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
113 JNIEXPORT jobject JNICALL
114 JVM_Clone(JNIEnv *env, jobject obj);
116 /*
117 * java.lang.String
118 */
119 JNIEXPORT jstring JNICALL
120 JVM_InternString(JNIEnv *env, jstring str);
122 /*
123 * java.lang.System
124 */
125 JNIEXPORT jlong JNICALL
126 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
128 JNIEXPORT jlong JNICALL
129 JVM_NanoTime(JNIEnv *env, jclass ignored);
131 JNIEXPORT void JNICALL
132 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
133 jobject dst, jint dst_pos, jint length);
135 JNIEXPORT jobject JNICALL
136 JVM_InitProperties(JNIEnv *env, jobject p);
138 /*
139 * java.io.File
140 */
141 JNIEXPORT void JNICALL
142 JVM_OnExit(void (*func)(void));
144 /*
145 * java.lang.Runtime
146 */
147 JNIEXPORT void JNICALL
148 JVM_Exit(jint code);
150 JNIEXPORT void JNICALL
151 JVM_Halt(jint code);
153 JNIEXPORT void JNICALL
154 JVM_GC(void);
156 /* Returns the number of real-time milliseconds that have elapsed since the
157 * least-recently-inspected heap object was last inspected by the garbage
158 * collector.
159 *
160 * For simple stop-the-world collectors this value is just the time
161 * since the most recent collection. For generational collectors it is the
162 * time since the oldest generation was most recently collected. Other
163 * collectors are free to return a pessimistic estimate of the elapsed time, or
164 * simply the time since the last full collection was performed.
165 *
166 * Note that in the presence of reference objects, a given object that is no
167 * longer strongly reachable may have to be inspected multiple times before it
168 * can be reclaimed.
169 */
170 JNIEXPORT jlong JNICALL
171 JVM_MaxObjectInspectionAge(void);
173 JNIEXPORT void JNICALL
174 JVM_TraceInstructions(jboolean on);
176 JNIEXPORT void JNICALL
177 JVM_TraceMethodCalls(jboolean on);
179 JNIEXPORT jlong JNICALL
180 JVM_TotalMemory(void);
182 JNIEXPORT jlong JNICALL
183 JVM_FreeMemory(void);
185 JNIEXPORT jlong JNICALL
186 JVM_MaxMemory(void);
188 JNIEXPORT jint JNICALL
189 JVM_ActiveProcessorCount(void);
191 JNIEXPORT void * JNICALL
192 JVM_LoadLibrary(const char *name);
194 JNIEXPORT void JNICALL
195 JVM_UnloadLibrary(void * handle);
197 JNIEXPORT void * JNICALL
198 JVM_FindLibraryEntry(void *handle, const char *name);
200 JNIEXPORT jboolean JNICALL
201 JVM_IsSupportedJNIVersion(jint version);
203 /*
204 * java.lang.Float and java.lang.Double
205 */
206 JNIEXPORT jboolean JNICALL
207 JVM_IsNaN(jdouble d);
209 /*
210 * java.lang.Throwable
211 */
212 JNIEXPORT void JNICALL
213 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
215 JNIEXPORT jint JNICALL
216 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
218 JNIEXPORT jobject JNICALL
219 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
221 /*
222 * java.lang.Compiler
223 */
224 JNIEXPORT void JNICALL
225 JVM_InitializeCompiler (JNIEnv *env, jclass compCls);
227 JNIEXPORT jboolean JNICALL
228 JVM_IsSilentCompiler(JNIEnv *env, jclass compCls);
230 JNIEXPORT jboolean JNICALL
231 JVM_CompileClass(JNIEnv *env, jclass compCls, jclass cls);
233 JNIEXPORT jboolean JNICALL
234 JVM_CompileClasses(JNIEnv *env, jclass cls, jstring jname);
236 JNIEXPORT jobject JNICALL
237 JVM_CompilerCommand(JNIEnv *env, jclass compCls, jobject arg);
239 JNIEXPORT void JNICALL
240 JVM_EnableCompiler(JNIEnv *env, jclass compCls);
242 JNIEXPORT void JNICALL
243 JVM_DisableCompiler(JNIEnv *env, jclass compCls);
245 /*
246 * java.lang.Thread
247 */
248 JNIEXPORT void JNICALL
249 JVM_StartThread(JNIEnv *env, jobject thread);
251 JNIEXPORT void JNICALL
252 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
254 JNIEXPORT jboolean JNICALL
255 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
257 JNIEXPORT void JNICALL
258 JVM_SuspendThread(JNIEnv *env, jobject thread);
260 JNIEXPORT void JNICALL
261 JVM_ResumeThread(JNIEnv *env, jobject thread);
263 JNIEXPORT void JNICALL
264 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
266 JNIEXPORT void JNICALL
267 JVM_Yield(JNIEnv *env, jclass threadClass);
269 JNIEXPORT void JNICALL
270 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
272 JNIEXPORT jobject JNICALL
273 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
275 JNIEXPORT jint JNICALL
276 JVM_CountStackFrames(JNIEnv *env, jobject thread);
278 JNIEXPORT void JNICALL
279 JVM_Interrupt(JNIEnv *env, jobject thread);
281 JNIEXPORT jboolean JNICALL
282 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
284 JNIEXPORT jboolean JNICALL
285 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
287 JNIEXPORT void JNICALL
288 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
290 JNIEXPORT jobjectArray JNICALL
291 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
293 JNIEXPORT void JNICALL
294 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
296 /* getStackTrace() and getAllStackTraces() method */
297 JNIEXPORT jobjectArray JNICALL
298 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
300 /*
301 * java.lang.SecurityManager
302 */
303 JNIEXPORT jclass JNICALL
304 JVM_CurrentLoadedClass(JNIEnv *env);
306 JNIEXPORT jobject JNICALL
307 JVM_CurrentClassLoader(JNIEnv *env);
309 JNIEXPORT jobjectArray JNICALL
310 JVM_GetClassContext(JNIEnv *env);
312 JNIEXPORT jint JNICALL
313 JVM_ClassDepth(JNIEnv *env, jstring name);
315 JNIEXPORT jint JNICALL
316 JVM_ClassLoaderDepth(JNIEnv *env);
318 /*
319 * java.lang.Package
320 */
321 JNIEXPORT jstring JNICALL
322 JVM_GetSystemPackage(JNIEnv *env, jstring name);
324 JNIEXPORT jobjectArray JNICALL
325 JVM_GetSystemPackages(JNIEnv *env);
327 /*
328 * java.io.ObjectInputStream
329 */
330 JNIEXPORT jobject JNICALL
331 JVM_AllocateNewObject(JNIEnv *env, jobject obj, jclass currClass,
332 jclass initClass);
334 JNIEXPORT jobject JNICALL
335 JVM_AllocateNewArray(JNIEnv *env, jobject obj, jclass currClass,
336 jint length);
338 JNIEXPORT jobject JNICALL
339 JVM_LatestUserDefinedLoader(JNIEnv *env);
341 /*
342 * This function has been deprecated and should not be considered
343 * part of the specified JVM interface.
344 */
345 JNIEXPORT jclass JNICALL
346 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass,
347 jstring currClassName);
349 /*
350 * java.lang.reflect.Array
351 */
352 JNIEXPORT jint JNICALL
353 JVM_GetArrayLength(JNIEnv *env, jobject arr);
355 JNIEXPORT jobject JNICALL
356 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
358 JNIEXPORT jvalue JNICALL
359 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
361 JNIEXPORT void JNICALL
362 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
364 JNIEXPORT void JNICALL
365 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
366 unsigned char vCode);
368 JNIEXPORT jobject JNICALL
369 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
371 JNIEXPORT jobject JNICALL
372 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
374 /*
375 * java.lang.Class and java.lang.ClassLoader
376 */
377 /*
378 * Returns the class in which the code invoking the native method
379 * belongs.
380 *
381 * Note that in JDK 1.1, native methods did not create a frame.
382 * In 1.2, they do. Therefore native methods like Class.forName
383 * can no longer look at the current frame for the caller class.
384 */
385 JNIEXPORT jclass JNICALL
386 JVM_GetCallerClass(JNIEnv *env, int n);
388 /*
389 * Find primitive classes
390 * utf: class name
391 */
392 JNIEXPORT jclass JNICALL
393 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
395 /*
396 * Link the class
397 */
398 JNIEXPORT void JNICALL
399 JVM_ResolveClass(JNIEnv *env, jclass cls);
401 /*
402 * Find a class from a given class loader. Throw ClassNotFoundException
403 * or NoClassDefFoundError depending on the value of the last
404 * argument.
405 */
406 JNIEXPORT jclass JNICALL
407 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init,
408 jobject loader, jboolean throwError);
410 /*
411 * Find a class from a boot class loader. Returns NULL if class not found.
412 */
413 JNIEXPORT jclass JNICALL
414 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
416 /*
417 * Find a class from a given class.
418 */
419 JNIEXPORT jclass JNICALL
420 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
421 jclass from);
423 /* Find a loaded class cached by the VM */
424 JNIEXPORT jclass JNICALL
425 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
427 /* Define a class */
428 JNIEXPORT jclass JNICALL
429 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
430 jsize len, jobject pd);
432 /* Define a class with a source (added in JDK1.5) */
433 JNIEXPORT jclass JNICALL
434 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
435 const jbyte *buf, jsize len, jobject pd,
436 const char *source);
438 /* Define a class with a source with conditional verification (added HSX 14)
439 * -Xverify:all will verify anyway, -Xverify:none will not verify,
440 * -Xverify:remote (default) will obey this conditional
441 * i.e. true = should_verify_class
442 */
443 JNIEXPORT jclass JNICALL
444 JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name,
445 jobject loader, const jbyte *buf,
446 jsize len, jobject pd, const char *source,
447 jboolean verify);
449 /*
450 * Reflection support functions
451 */
453 JNIEXPORT jstring JNICALL
454 JVM_GetClassName(JNIEnv *env, jclass cls);
456 JNIEXPORT jobjectArray JNICALL
457 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
459 JNIEXPORT jobject JNICALL
460 JVM_GetClassLoader(JNIEnv *env, jclass cls);
462 JNIEXPORT jboolean JNICALL
463 JVM_IsInterface(JNIEnv *env, jclass cls);
465 JNIEXPORT jobjectArray JNICALL
466 JVM_GetClassSigners(JNIEnv *env, jclass cls);
468 JNIEXPORT void JNICALL
469 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
471 JNIEXPORT jobject JNICALL
472 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
474 JNIEXPORT jboolean JNICALL
475 JVM_IsArrayClass(JNIEnv *env, jclass cls);
477 JNIEXPORT jboolean JNICALL
478 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
480 JNIEXPORT jclass JNICALL
481 JVM_GetComponentType(JNIEnv *env, jclass cls);
483 JNIEXPORT jint JNICALL
484 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
486 JNIEXPORT jobjectArray JNICALL
487 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
489 JNIEXPORT jclass JNICALL
490 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
492 /* Generics support (JDK 1.5) */
493 JNIEXPORT jstring JNICALL
494 JVM_GetClassSignature(JNIEnv *env, jclass cls);
496 /* Annotations support (JDK 1.5) */
497 JNIEXPORT jbyteArray JNICALL
498 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
500 /* Annotations support (JDK 1.6) */
502 // field is a handle to a java.lang.reflect.Field object
503 JNIEXPORT jbyteArray JNICALL
504 JVM_GetFieldAnnotations(JNIEnv *env, jobject field);
506 // method is a handle to a java.lang.reflect.Method object
507 JNIEXPORT jbyteArray JNICALL
508 JVM_GetMethodAnnotations(JNIEnv *env, jobject method);
510 // method is a handle to a java.lang.reflect.Method object
511 JNIEXPORT jbyteArray JNICALL
512 JVM_GetMethodDefaultAnnotationValue(JNIEnv *env, jobject method);
514 // method is a handle to a java.lang.reflect.Method object
515 JNIEXPORT jbyteArray JNICALL
516 JVM_GetMethodParameterAnnotations(JNIEnv *env, jobject method);
518 /* Type use annotations support (JDK 1.8) */
520 JNIEXPORT jbyteArray JNICALL
521 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls);
523 // field is a handle to a java.lang.reflect.Field object
524 JNIEXPORT jbyteArray JNICALL
525 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field);
527 // method is a handle to a java.lang.reflect.Method object
528 JNIEXPORT jbyteArray JNICALL
529 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method);
531 /*
532 * New (JDK 1.4) reflection implementation
533 */
535 JNIEXPORT jobjectArray JNICALL
536 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
538 JNIEXPORT jobjectArray JNICALL
539 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
541 JNIEXPORT jobjectArray JNICALL
542 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
544 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
545 This returns the access flags for the class as specified in the
546 class file rather than searching the InnerClasses attribute (if
547 present) to find the source-level access flags. Only the values of
548 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
549 valid. */
550 JNIEXPORT jint JNICALL
551 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
553 /*
554 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
555 */
557 JNIEXPORT jobject JNICALL
558 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
560 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
561 (JNIEnv *env, jobject obj, jobject unused);
563 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
564 (JNIEnv *env, jobject obj, jobject unused, jint index);
566 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
567 (JNIEnv *env, jobject obj, jobject unused, jint index);
569 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
570 (JNIEnv *env, jobject obj, jobject unused, jint index);
572 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
573 (JNIEnv *env, jobject obj, jobject unused, jint index);
575 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
576 (JNIEnv *env, jobject obj, jobject unused, jint index);
578 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
579 (JNIEnv *env, jobject obj, jobject unused, jint index);
581 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
582 (JNIEnv *env, jobject obj, jobject unused, jint index);
584 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
585 (JNIEnv *env, jobject obj, jobject unused, jint index);
587 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
588 (JNIEnv *env, jobject obj, jobject unused, jint index);
590 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
591 (JNIEnv *env, jobject obj, jobject unused, jint index);
593 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
594 (JNIEnv *env, jobject obj, jobject unused, jint index);
596 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
597 (JNIEnv *env, jobject obj, jobject unused, jint index);
599 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
600 (JNIEnv *env, jobject obj, jobject unused, jint index);
602 /*
603 * java.security.*
604 */
606 JNIEXPORT jobject JNICALL
607 JVM_DoPrivileged(JNIEnv *env, jclass cls,
608 jobject action, jobject context, jboolean wrapException);
610 JNIEXPORT jobject JNICALL
611 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
613 JNIEXPORT jobject JNICALL
614 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
616 /*
617 * Signal support, used to implement the shutdown sequence. Every VM must
618 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
619 * (^C) and the latter for external termination (kill, system shutdown, etc.).
620 * Other platform-dependent signal values may also be supported.
621 */
623 JNIEXPORT void * JNICALL
624 JVM_RegisterSignal(jint sig, void *handler);
626 JNIEXPORT jboolean JNICALL
627 JVM_RaiseSignal(jint sig);
629 JNIEXPORT jint JNICALL
630 JVM_FindSignal(const char *name);
632 /*
633 * Retrieve the assertion directives for the specified class.
634 */
635 JNIEXPORT jboolean JNICALL
636 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
638 /*
639 * Retrieve the assertion directives from the VM.
640 */
641 JNIEXPORT jobject JNICALL
642 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
644 /*
645 * java.util.concurrent.atomic.AtomicLong
646 */
647 JNIEXPORT jboolean JNICALL
648 JVM_SupportsCX8(void);
650 JNIEXPORT jboolean JNICALL
651 JVM_CX8Field(JNIEnv *env, jobject obj, jfieldID fldID, jlong oldVal, jlong newVal);
653 /*
654 * com.sun.dtrace.jsdt support
655 */
657 #define JVM_TRACING_DTRACE_VERSION 1
659 /*
660 * Structure to pass one probe description to JVM.
661 *
662 * The VM will overwrite the definition of the referenced method with
663 * code that will fire the probe.
664 */
665 typedef struct {
666 jmethodID method;
667 jstring function;
668 jstring name;
669 void* reserved[4]; // for future use
670 } JVM_DTraceProbe;
672 /**
673 * Encapsulates the stability ratings for a DTrace provider field
674 */
675 typedef struct {
676 jint nameStability;
677 jint dataStability;
678 jint dependencyClass;
679 } JVM_DTraceInterfaceAttributes;
681 /*
682 * Structure to pass one provider description to JVM
683 */
684 typedef struct {
685 jstring name;
686 JVM_DTraceProbe* probes;
687 jint probe_count;
688 JVM_DTraceInterfaceAttributes providerAttributes;
689 JVM_DTraceInterfaceAttributes moduleAttributes;
690 JVM_DTraceInterfaceAttributes functionAttributes;
691 JVM_DTraceInterfaceAttributes nameAttributes;
692 JVM_DTraceInterfaceAttributes argsAttributes;
693 void* reserved[4]; // for future use
694 } JVM_DTraceProvider;
696 /*
697 * Get the version number the JVM was built with
698 */
699 JNIEXPORT jint JNICALL
700 JVM_DTraceGetVersion(JNIEnv* env);
702 /*
703 * Register new probe with given signature, return global handle
704 *
705 * The version passed in is the version that the library code was
706 * built with.
707 */
708 JNIEXPORT jlong JNICALL
709 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name,
710 jint providers_count, JVM_DTraceProvider* providers);
712 /*
713 * Check JSDT probe
714 */
715 JNIEXPORT jboolean JNICALL
716 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method);
718 /*
719 * Destroy custom DOF
720 */
721 JNIEXPORT void JNICALL
722 JVM_DTraceDispose(JNIEnv* env, jlong handle);
724 /*
725 * Check to see if DTrace is supported by OS
726 */
727 JNIEXPORT jboolean JNICALL
728 JVM_DTraceIsSupported(JNIEnv* env);
730 /*************************************************************************
731 PART 2: Support for the Verifier and Class File Format Checker
732 ************************************************************************/
733 /*
734 * Return the class name in UTF format. The result is valid
735 * until JVM_ReleaseUTf is called.
736 *
737 * The caller must treat the string as a constant and not modify it
738 * in any way.
739 */
740 JNIEXPORT const char * JNICALL
741 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
743 /*
744 * Returns the constant pool types in the buffer provided by "types."
745 */
746 JNIEXPORT void JNICALL
747 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
749 /*
750 * Returns the number of Constant Pool entries.
751 */
752 JNIEXPORT jint JNICALL
753 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
755 /*
756 * Returns the number of *declared* fields or methods.
757 */
758 JNIEXPORT jint JNICALL
759 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
761 JNIEXPORT jint JNICALL
762 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
764 /*
765 * Returns the CP indexes of exceptions raised by a given method.
766 * Places the result in the given buffer.
767 *
768 * The method is identified by method_index.
769 */
770 JNIEXPORT void JNICALL
771 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
772 unsigned short *exceptions);
773 /*
774 * Returns the number of exceptions raised by a given method.
775 * The method is identified by method_index.
776 */
777 JNIEXPORT jint JNICALL
778 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
780 /*
781 * Returns the byte code sequence of a given method.
782 * Places the result in the given buffer.
783 *
784 * The method is identified by method_index.
785 */
786 JNIEXPORT void JNICALL
787 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
788 unsigned char *code);
790 /*
791 * Returns the length of the byte code sequence of a given method.
792 * The method is identified by method_index.
793 */
794 JNIEXPORT jint JNICALL
795 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
797 /*
798 * A structure used to a capture exception table entry in a Java method.
799 */
800 typedef struct {
801 jint start_pc;
802 jint end_pc;
803 jint handler_pc;
804 jint catchType;
805 } JVM_ExceptionTableEntryType;
807 /*
808 * Returns the exception table entry at entry_index of a given method.
809 * Places the result in the given buffer.
810 *
811 * The method is identified by method_index.
812 */
813 JNIEXPORT void JNICALL
814 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
815 jint entry_index,
816 JVM_ExceptionTableEntryType *entry);
818 /*
819 * Returns the length of the exception table of a given method.
820 * The method is identified by method_index.
821 */
822 JNIEXPORT jint JNICALL
823 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
825 /*
826 * Returns the modifiers of a given field.
827 * The field is identified by field_index.
828 */
829 JNIEXPORT jint JNICALL
830 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
832 /*
833 * Returns the modifiers of a given method.
834 * The method is identified by method_index.
835 */
836 JNIEXPORT jint JNICALL
837 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
839 /*
840 * Returns the number of local variables of a given method.
841 * The method is identified by method_index.
842 */
843 JNIEXPORT jint JNICALL
844 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
846 /*
847 * Returns the number of arguments (including this pointer) of a given method.
848 * The method is identified by method_index.
849 */
850 JNIEXPORT jint JNICALL
851 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
853 /*
854 * Returns the maximum amount of stack (in words) used by a given method.
855 * The method is identified by method_index.
856 */
857 JNIEXPORT jint JNICALL
858 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
860 /*
861 * Is a given method a constructor.
862 * The method is identified by method_index.
863 */
864 JNIEXPORT jboolean JNICALL
865 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
867 /*
868 * Is the given method generated by the VM.
869 * The method is identified by method_index.
870 */
871 JNIEXPORT jboolean JNICALL
872 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
874 /*
875 * Returns the name of a given method in UTF format.
876 * The result remains valid until JVM_ReleaseUTF is called.
877 *
878 * The caller must treat the string as a constant and not modify it
879 * in any way.
880 */
881 JNIEXPORT const char * JNICALL
882 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
884 /*
885 * Returns the signature of a given method in UTF format.
886 * The result remains valid until JVM_ReleaseUTF is called.
887 *
888 * The caller must treat the string as a constant and not modify it
889 * in any way.
890 */
891 JNIEXPORT const char * JNICALL
892 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
894 /*
895 * Returns the name of the field refered to at a given constant pool
896 * index.
897 *
898 * The result is in UTF format and remains valid until JVM_ReleaseUTF
899 * is called.
900 *
901 * The caller must treat the string as a constant and not modify it
902 * in any way.
903 */
904 JNIEXPORT const char * JNICALL
905 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
907 /*
908 * Returns the name of the method refered to at a given constant pool
909 * index.
910 *
911 * The result is in UTF format and remains valid until JVM_ReleaseUTF
912 * is called.
913 *
914 * The caller must treat the string as a constant and not modify it
915 * in any way.
916 */
917 JNIEXPORT const char * JNICALL
918 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
920 /*
921 * Returns the signature of the method refered to at a given constant pool
922 * index.
923 *
924 * The result is in UTF format and remains valid until JVM_ReleaseUTF
925 * is called.
926 *
927 * The caller must treat the string as a constant and not modify it
928 * in any way.
929 */
930 JNIEXPORT const char * JNICALL
931 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
933 /*
934 * Returns the signature of the field refered to at a given constant pool
935 * index.
936 *
937 * The result is in UTF format and remains valid until JVM_ReleaseUTF
938 * is called.
939 *
940 * The caller must treat the string as a constant and not modify it
941 * in any way.
942 */
943 JNIEXPORT const char * JNICALL
944 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
946 /*
947 * Returns the class name refered to at a given constant pool index.
948 *
949 * The result is in UTF format and remains valid until JVM_ReleaseUTF
950 * is called.
951 *
952 * The caller must treat the string as a constant and not modify it
953 * in any way.
954 */
955 JNIEXPORT const char * JNICALL
956 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
958 /*
959 * Returns the class name refered to at a given constant pool index.
960 *
961 * The constant pool entry must refer to a CONSTANT_Fieldref.
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_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
972 /*
973 * Returns the class name refered to at a given constant pool index.
974 *
975 * The constant pool entry must refer to CONSTANT_Methodref or
976 * CONSTANT_InterfaceMethodref.
977 *
978 * The result is in UTF format and remains valid until JVM_ReleaseUTF
979 * is called.
980 *
981 * The caller must treat the string as a constant and not modify it
982 * in any way.
983 */
984 JNIEXPORT const char * JNICALL
985 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
987 /*
988 * Returns the modifiers of a field in calledClass. The field is
989 * referred to in class cb at constant pool entry index.
990 *
991 * The caller must treat the string as a constant and not modify it
992 * in any way.
993 *
994 * Returns -1 if the field does not exist in calledClass.
995 */
996 JNIEXPORT jint JNICALL
997 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
999 /*
1000 * Returns the modifiers of a method in calledClass. The method is
1001 * referred to in class cb at constant pool entry index.
1002 *
1003 * Returns -1 if the method does not exist in calledClass.
1004 */
1005 JNIEXPORT jint JNICALL
1006 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
1008 /*
1009 * Releases the UTF string obtained from the VM.
1010 */
1011 JNIEXPORT void JNICALL
1012 JVM_ReleaseUTF(const char *utf);
1014 /*
1015 * Compare if two classes are in the same package.
1016 */
1017 JNIEXPORT jboolean JNICALL
1018 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
1020 /* Constants in class files */
1022 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
1023 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
1024 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
1025 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
1026 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
1027 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
1028 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
1029 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
1030 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
1031 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
1032 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
1033 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
1034 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
1035 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
1036 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
1037 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
1038 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
1039 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
1041 #define JVM_ACC_PUBLIC_BIT 0
1042 #define JVM_ACC_PRIVATE_BIT 1
1043 #define JVM_ACC_PROTECTED_BIT 2
1044 #define JVM_ACC_STATIC_BIT 3
1045 #define JVM_ACC_FINAL_BIT 4
1046 #define JVM_ACC_SYNCHRONIZED_BIT 5
1047 #define JVM_ACC_SUPER_BIT 5
1048 #define JVM_ACC_VOLATILE_BIT 6
1049 #define JVM_ACC_BRIDGE_BIT 6
1050 #define JVM_ACC_TRANSIENT_BIT 7
1051 #define JVM_ACC_VARARGS_BIT 7
1052 #define JVM_ACC_NATIVE_BIT 8
1053 #define JVM_ACC_INTERFACE_BIT 9
1054 #define JVM_ACC_ABSTRACT_BIT 10
1055 #define JVM_ACC_STRICT_BIT 11
1056 #define JVM_ACC_SYNTHETIC_BIT 12
1057 #define JVM_ACC_ANNOTATION_BIT 13
1058 #define JVM_ACC_ENUM_BIT 14
1060 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
1061 enum {
1062 JVM_CONSTANT_Utf8 = 1,
1063 JVM_CONSTANT_Unicode, /* unused */
1064 JVM_CONSTANT_Integer,
1065 JVM_CONSTANT_Float,
1066 JVM_CONSTANT_Long,
1067 JVM_CONSTANT_Double,
1068 JVM_CONSTANT_Class,
1069 JVM_CONSTANT_String,
1070 JVM_CONSTANT_Fieldref,
1071 JVM_CONSTANT_Methodref,
1072 JVM_CONSTANT_InterfaceMethodref,
1073 JVM_CONSTANT_NameAndType,
1074 JVM_CONSTANT_MethodHandle = 15, // JSR 292
1075 JVM_CONSTANT_MethodType = 16, // JSR 292
1076 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only
1077 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292
1078 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles
1079 };
1081 /* JVM_CONSTANT_MethodHandle subtypes */
1082 enum {
1083 JVM_REF_getField = 1,
1084 JVM_REF_getStatic = 2,
1085 JVM_REF_putField = 3,
1086 JVM_REF_putStatic = 4,
1087 JVM_REF_invokeVirtual = 5,
1088 JVM_REF_invokeStatic = 6,
1089 JVM_REF_invokeSpecial = 7,
1090 JVM_REF_newInvokeSpecial = 8,
1091 JVM_REF_invokeInterface = 9
1092 };
1094 /* Used in the newarray instruction. */
1096 #define JVM_T_BOOLEAN 4
1097 #define JVM_T_CHAR 5
1098 #define JVM_T_FLOAT 6
1099 #define JVM_T_DOUBLE 7
1100 #define JVM_T_BYTE 8
1101 #define JVM_T_SHORT 9
1102 #define JVM_T_INT 10
1103 #define JVM_T_LONG 11
1105 /* JVM method signatures */
1107 #define JVM_SIGNATURE_ARRAY '['
1108 #define JVM_SIGNATURE_BYTE 'B'
1109 #define JVM_SIGNATURE_CHAR 'C'
1110 #define JVM_SIGNATURE_CLASS 'L'
1111 #define JVM_SIGNATURE_ENDCLASS ';'
1112 #define JVM_SIGNATURE_ENUM 'E'
1113 #define JVM_SIGNATURE_FLOAT 'F'
1114 #define JVM_SIGNATURE_DOUBLE 'D'
1115 #define JVM_SIGNATURE_FUNC '('
1116 #define JVM_SIGNATURE_ENDFUNC ')'
1117 #define JVM_SIGNATURE_INT 'I'
1118 #define JVM_SIGNATURE_LONG 'J'
1119 #define JVM_SIGNATURE_SHORT 'S'
1120 #define JVM_SIGNATURE_VOID 'V'
1121 #define JVM_SIGNATURE_BOOLEAN 'Z'
1123 /*
1124 * A function defined by the byte-code verifier and called by the VM.
1125 * This is not a function implemented in the VM.
1126 *
1127 * Returns JNI_FALSE if verification fails. A detailed error message
1128 * will be places in msg_buf, whose length is specified by buf_len.
1129 */
1130 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1131 jclass cb,
1132 char * msg_buf,
1133 jint buf_len);
1136 /*
1137 * Support for a VM-independent class format checker.
1138 */
1139 typedef struct {
1140 unsigned long code; /* byte code */
1141 unsigned long excs; /* exceptions */
1142 unsigned long etab; /* catch table */
1143 unsigned long lnum; /* line number */
1144 unsigned long lvar; /* local vars */
1145 } method_size_info;
1147 typedef struct {
1148 unsigned int constants; /* constant pool */
1149 unsigned int fields;
1150 unsigned int methods;
1151 unsigned int interfaces;
1152 unsigned int fields2; /* number of static 2-word fields */
1153 unsigned int innerclasses; /* # of records in InnerClasses attr */
1155 method_size_info clinit; /* memory used in clinit */
1156 method_size_info main; /* used everywhere else */
1157 } class_size_info;
1159 /*
1160 * Functions defined in libjava.so to perform string conversions.
1161 *
1162 */
1164 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1166 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1168 /* This is the function defined in libjava.so that performs class
1169 * format checks. This functions fills in size information about
1170 * the class file and returns:
1171 *
1172 * 0: good
1173 * -1: out of memory
1174 * -2: bad format
1175 * -3: unsupported version
1176 * -4: bad class name
1177 */
1179 typedef jint (*check_format_fn_t)(char *class_name,
1180 unsigned char *data,
1181 unsigned int data_size,
1182 class_size_info *class_size,
1183 char *message_buffer,
1184 jint buffer_length,
1185 jboolean measure_only,
1186 jboolean check_relaxed);
1188 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1189 JVM_ACC_FINAL | \
1190 JVM_ACC_SUPER | \
1191 JVM_ACC_INTERFACE | \
1192 JVM_ACC_ABSTRACT | \
1193 JVM_ACC_ANNOTATION | \
1194 JVM_ACC_ENUM | \
1195 JVM_ACC_SYNTHETIC)
1197 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1198 JVM_ACC_PRIVATE | \
1199 JVM_ACC_PROTECTED | \
1200 JVM_ACC_STATIC | \
1201 JVM_ACC_FINAL | \
1202 JVM_ACC_VOLATILE | \
1203 JVM_ACC_TRANSIENT | \
1204 JVM_ACC_ENUM | \
1205 JVM_ACC_SYNTHETIC)
1207 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1208 JVM_ACC_PRIVATE | \
1209 JVM_ACC_PROTECTED | \
1210 JVM_ACC_STATIC | \
1211 JVM_ACC_FINAL | \
1212 JVM_ACC_SYNCHRONIZED | \
1213 JVM_ACC_BRIDGE | \
1214 JVM_ACC_VARARGS | \
1215 JVM_ACC_NATIVE | \
1216 JVM_ACC_ABSTRACT | \
1217 JVM_ACC_STRICT | \
1218 JVM_ACC_SYNTHETIC)
1220 /*
1221 * This is the function defined in libjava.so to perform path
1222 * canonicalization. VM call this function before opening jar files
1223 * to load system classes.
1224 *
1225 */
1227 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1229 /*************************************************************************
1230 PART 3: I/O and Network Support
1231 ************************************************************************/
1233 /* Note that the JVM IO functions are expected to return JVM_IO_ERR
1234 * when there is any kind of error. The caller can then use the
1235 * platform specific support (e.g., errno) to get the detailed
1236 * error info. The JVM_GetLastErrorString procedure may also be used
1237 * to obtain a descriptive error string.
1238 */
1239 #define JVM_IO_ERR (-1)
1241 /* For interruptible IO. Returning JVM_IO_INTR indicates that an IO
1242 * operation has been disrupted by Thread.interrupt. There are a
1243 * number of technical difficulties related to interruptible IO that
1244 * need to be solved. For example, most existing programs do not handle
1245 * InterruptedIOExceptions specially, they simply treat those as any
1246 * IOExceptions, which typically indicate fatal errors.
1247 *
1248 * There are also two modes of operation for interruptible IO. In the
1249 * resumption mode, an interrupted IO operation is guaranteed not to
1250 * have any side-effects, and can be restarted. In the termination mode,
1251 * an interrupted IO operation corrupts the underlying IO stream, so
1252 * that the only reasonable operation on an interrupted stream is to
1253 * close that stream. The resumption mode seems to be impossible to
1254 * implement on Win32 and Solaris. Implementing the termination mode is
1255 * easier, but it's not clear that's the right semantics.
1256 *
1257 * Interruptible IO is not supported on Win32.It can be enabled/disabled
1258 * using a compile-time flag on Solaris. Third-party JVM ports do not
1259 * need to implement interruptible IO.
1260 */
1261 #define JVM_IO_INTR (-2)
1263 /* Write a string into the given buffer, in the platform's local encoding,
1264 * that describes the most recent system-level error to occur in this thread.
1265 * Return the length of the string or zero if no error occurred.
1266 */
1267 JNIEXPORT jint JNICALL
1268 JVM_GetLastErrorString(char *buf, int len);
1270 /*
1271 * Convert a pathname into native format. This function does syntactic
1272 * cleanup, such as removing redundant separator characters. It modifies
1273 * the given pathname string in place.
1274 */
1275 JNIEXPORT char * JNICALL
1276 JVM_NativePath(char *);
1278 /*
1279 * JVM I/O error codes
1280 */
1281 #define JVM_EEXIST -100
1283 /*
1284 * Open a file descriptor. This function returns a negative error code
1285 * on error, and a non-negative integer that is the file descriptor on
1286 * success.
1287 */
1288 JNIEXPORT jint JNICALL
1289 JVM_Open(const char *fname, jint flags, jint mode);
1291 /*
1292 * Close a file descriptor. This function returns -1 on error, and 0
1293 * on success.
1294 *
1295 * fd the file descriptor to close.
1296 */
1297 JNIEXPORT jint JNICALL
1298 JVM_Close(jint fd);
1300 /*
1301 * Read data from a file decriptor into a char array.
1302 *
1303 * fd the file descriptor to read from.
1304 * buf the buffer where to put the read data.
1305 * nbytes the number of bytes to read.
1306 *
1307 * This function returns -1 on error, and 0 on success.
1308 */
1309 JNIEXPORT jint JNICALL
1310 JVM_Read(jint fd, char *buf, jint nbytes);
1312 /*
1313 * Write data from a char array to a file decriptor.
1314 *
1315 * fd the file descriptor to read from.
1316 * buf the buffer from which to fetch the data.
1317 * nbytes the number of bytes to write.
1318 *
1319 * This function returns -1 on error, and 0 on success.
1320 */
1321 JNIEXPORT jint JNICALL
1322 JVM_Write(jint fd, char *buf, jint nbytes);
1324 /*
1325 * Returns the number of bytes available for reading from a given file
1326 * descriptor
1327 */
1328 JNIEXPORT jint JNICALL
1329 JVM_Available(jint fd, jlong *pbytes);
1331 /*
1332 * Move the file descriptor pointer from whence by offset.
1333 *
1334 * fd the file descriptor to move.
1335 * offset the number of bytes to move it by.
1336 * whence the start from where to move it.
1337 *
1338 * This function returns the resulting pointer location.
1339 */
1340 JNIEXPORT jlong JNICALL
1341 JVM_Lseek(jint fd, jlong offset, jint whence);
1343 /*
1344 * Set the length of the file associated with the given descriptor to the given
1345 * length. If the new length is longer than the current length then the file
1346 * is extended; the contents of the extended portion are not defined. The
1347 * value of the file pointer is undefined after this procedure returns.
1348 */
1349 JNIEXPORT jint JNICALL
1350 JVM_SetLength(jint fd, jlong length);
1352 /*
1353 * Synchronize the file descriptor's in memory state with that of the
1354 * physical device. Return of -1 is an error, 0 is OK.
1355 */
1356 JNIEXPORT jint JNICALL
1357 JVM_Sync(jint fd);
1359 /*
1360 * Networking library support
1361 */
1363 JNIEXPORT jint JNICALL
1364 JVM_InitializeSocketLibrary(void);
1366 struct sockaddr;
1368 JNIEXPORT jint JNICALL
1369 JVM_Socket(jint domain, jint type, jint protocol);
1371 JNIEXPORT jint JNICALL
1372 JVM_SocketClose(jint fd);
1374 JNIEXPORT jint JNICALL
1375 JVM_SocketShutdown(jint fd, jint howto);
1377 JNIEXPORT jint JNICALL
1378 JVM_Recv(jint fd, char *buf, jint nBytes, jint flags);
1380 JNIEXPORT jint JNICALL
1381 JVM_Send(jint fd, char *buf, jint nBytes, jint flags);
1383 JNIEXPORT jint JNICALL
1384 JVM_Timeout(int fd, long timeout);
1386 JNIEXPORT jint JNICALL
1387 JVM_Listen(jint fd, jint count);
1389 JNIEXPORT jint JNICALL
1390 JVM_Connect(jint fd, struct sockaddr *him, jint len);
1392 JNIEXPORT jint JNICALL
1393 JVM_Bind(jint fd, struct sockaddr *him, jint len);
1395 JNIEXPORT jint JNICALL
1396 JVM_Accept(jint fd, struct sockaddr *him, jint *len);
1398 JNIEXPORT jint JNICALL
1399 JVM_RecvFrom(jint fd, char *buf, int nBytes,
1400 int flags, struct sockaddr *from, int *fromlen);
1402 JNIEXPORT jint JNICALL
1403 JVM_SendTo(jint fd, char *buf, int len,
1404 int flags, struct sockaddr *to, int tolen);
1406 JNIEXPORT jint JNICALL
1407 JVM_SocketAvailable(jint fd, jint *result);
1410 JNIEXPORT jint JNICALL
1411 JVM_GetSockName(jint fd, struct sockaddr *him, int *len);
1413 JNIEXPORT jint JNICALL
1414 JVM_GetSockOpt(jint fd, int level, int optname, char *optval, int *optlen);
1416 JNIEXPORT jint JNICALL
1417 JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen);
1419 JNIEXPORT int JNICALL
1420 JVM_GetHostName(char* name, int namelen);
1422 /*
1423 * The standard printing functions supported by the Java VM. (Should they
1424 * be renamed to JVM_* in the future?
1425 */
1427 /*
1428 * BE CAREFUL! The following functions do not implement the
1429 * full feature set of standard C printf formats.
1430 */
1431 JNIEXPORT int
1432 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1434 JNIEXPORT int
1435 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1437 JNIEXPORT int
1438 jio_fprintf(FILE *, const char *fmt, ...);
1440 JNIEXPORT int
1441 jio_vfprintf(FILE *, const char *fmt, va_list args);
1444 JNIEXPORT void * JNICALL
1445 JVM_RawMonitorCreate(void);
1447 JNIEXPORT void JNICALL
1448 JVM_RawMonitorDestroy(void *mon);
1450 JNIEXPORT jint JNICALL
1451 JVM_RawMonitorEnter(void *mon);
1453 JNIEXPORT void JNICALL
1454 JVM_RawMonitorExit(void *mon);
1456 /*
1457 * java.lang.reflect.Method
1458 */
1459 JNIEXPORT jobject JNICALL
1460 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1462 /*
1463 * java.lang.reflect.Constructor
1464 */
1465 JNIEXPORT jobject JNICALL
1466 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1468 /*
1469 * java.lang.management support
1470 */
1471 JNIEXPORT void* JNICALL
1472 JVM_GetManagement(jint version);
1474 /*
1475 * com.sun.tools.attach.VirtualMachine support
1476 *
1477 * Initialize the agent properties with the properties maintained in the VM.
1478 */
1479 JNIEXPORT jobject JNICALL
1480 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1482 /* Generics reflection support.
1483 *
1484 * Returns information about the given class's EnclosingMethod
1485 * attribute, if present, or null if the class had no enclosing
1486 * method.
1487 *
1488 * If non-null, the returned array contains three elements. Element 0
1489 * is the java.lang.Class of which the enclosing method is a member,
1490 * and elements 1 and 2 are the java.lang.Strings for the enclosing
1491 * method's name and descriptor, respectively.
1492 */
1493 JNIEXPORT jobjectArray JNICALL
1494 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1496 /*
1497 * Java thread state support
1498 */
1499 enum {
1500 JAVA_THREAD_STATE_NEW = 0,
1501 JAVA_THREAD_STATE_RUNNABLE = 1,
1502 JAVA_THREAD_STATE_BLOCKED = 2,
1503 JAVA_THREAD_STATE_WAITING = 3,
1504 JAVA_THREAD_STATE_TIMED_WAITING = 4,
1505 JAVA_THREAD_STATE_TERMINATED = 5,
1506 JAVA_THREAD_STATE_COUNT = 6
1507 };
1509 /*
1510 * Returns an array of the threadStatus values representing the
1511 * given Java thread state. Returns NULL if the VM version is
1512 * incompatible with the JDK or doesn't support the given
1513 * Java thread state.
1514 */
1515 JNIEXPORT jintArray JNICALL
1516 JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState);
1518 /*
1519 * Returns an array of the substate names representing the
1520 * given Java thread state. Returns NULL if the VM version is
1521 * incompatible with the JDK or the VM doesn't support
1522 * the given Java thread state.
1523 * values must be the jintArray returned from JVM_GetThreadStateValues
1524 * and javaThreadState.
1525 */
1526 JNIEXPORT jobjectArray JNICALL
1527 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values);
1529 /* =========================================================================
1530 * The following defines a private JVM interface that the JDK can query
1531 * for the JVM version and capabilities. sun.misc.Version defines
1532 * the methods for getting the VM version and its capabilities.
1533 *
1534 * When a new bit is added, the following should be updated to provide
1535 * access to the new capability:
1536 * HS: JVM_GetVersionInfo and Abstract_VM_Version class
1537 * SDK: Version class
1538 *
1539 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1540 * JVM to query for the JDK version and capabilities.
1541 *
1542 * When a new bit is added, the following should be updated to provide
1543 * access to the new capability:
1544 * HS: JDK_Version class
1545 * SDK: JDK_GetVersionInfo0
1546 *
1547 * ==========================================================================
1548 */
1549 typedef struct {
1550 /* HotSpot Express VM version string:
1551 * <major>.<minor>-bxx[-<identifier>][-<debug_flavor>]
1552 */
1553 unsigned int jvm_version; /* Consists of major.minor.0.build */
1554 unsigned int update_version : 8; /* 0 in HotSpot Express VM */
1555 unsigned int special_update_version : 8; /* 0 in HotSpot Express VM */
1556 unsigned int reserved1 : 16;
1557 unsigned int reserved2;
1559 /* The following bits represents JVM supports that JDK has dependency on.
1560 * JDK can use these bits to determine which JVM version
1561 * and support it has to maintain runtime compatibility.
1562 *
1563 * When a new bit is added in a minor or update release, make sure
1564 * the new bit is also added in the main/baseline.
1565 */
1566 unsigned int is_attachable : 1;
1567 unsigned int : 31;
1568 unsigned int : 32;
1569 unsigned int : 32;
1570 } jvm_version_info;
1572 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1573 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1574 // Micro version is 0 in HotSpot Express VM (set in jvm.cpp).
1575 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1576 /* Build number is available in all HotSpot Express VM builds.
1577 * It is defined in make/hotspot_version file.
1578 */
1579 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1581 JNIEXPORT void JNICALL
1582 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1584 typedef struct {
1585 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1586 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */
1587 /* and build number (xx) */
1588 unsigned int update_version : 8; /* Update release version (uu) */
1589 unsigned int special_update_version : 8; /* Special update release version (c)*/
1590 unsigned int reserved1 : 16;
1591 unsigned int reserved2;
1593 /* The following bits represents new JDK supports that VM has dependency on.
1594 * VM implementation can use these bits to determine which JDK version
1595 * and support it has to maintain runtime compatibility.
1596 *
1597 * When a new bit is added in a minor or update release, make sure
1598 * the new bit is also added in the main/baseline.
1599 */
1600 unsigned int thread_park_blocker : 1;
1601 unsigned int post_vm_init_hook_enabled : 1;
1602 unsigned int pending_list_uses_discovered_field : 1;
1603 unsigned int : 29;
1604 unsigned int : 32;
1605 unsigned int : 32;
1606 } jdk_version_info;
1608 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1609 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1610 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1612 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1613 * It will be zero for internal builds.
1614 */
1615 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1617 /*
1618 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1619 * that is dynamically looked up by JVM.
1620 */
1621 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1623 /*
1624 * This structure is used by the launcher to get the default thread
1625 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1626 * version of 1.1. As it is not supported otherwise, it has been removed
1627 * from jni.h
1628 */
1629 typedef struct JDK1_1InitArgs {
1630 jint version;
1632 char **properties;
1633 jint checkSource;
1634 jint nativeStackSize;
1635 jint javaStackSize;
1636 jint minHeapSize;
1637 jint maxHeapSize;
1638 jint verifyMode;
1639 char *classpath;
1641 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1642 void (JNICALL *exit)(jint code);
1643 void (JNICALL *abort)(void);
1645 jint enableClassGC;
1646 jint enableVerboseGC;
1647 jint disableAsyncGC;
1648 jint verbose;
1649 jboolean debugging;
1650 jint debugPort;
1651 } JDK1_1InitArgs;
1653 #ifdef __cplusplus
1654 } /* extern "C" */
1655 #endif /* __cplusplus */
1657 #endif /* !_JAVASOFT_JVM_H_ */
1659 #endif // SHARE_VM_PRIMS_JVM_H