mirror of
https://github.com/2003scape/deep-c-rsc.git
synced 2024-03-22 05:49:51 -04:00
1220 lines
35 KiB
C
1220 lines
35 KiB
C
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/*
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* @(#) $(JCGO)/include/jcgojniv.c --
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* a part of the JCGO runtime subsystem.
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**
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* Project: JCGO (http://www.ivmaisoft.com/jcgo/)
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* Copyright (C) 2001-2012 Ivan Maidanski <ivmai@ivmaisoft.com>
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* All rights reserved.
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*/
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/**
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* This file is compiled together with the files produced by the JCGO
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* translator (do not include and/or compile this file directly).
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*/
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/*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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**
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* This software is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License (GPL) for more details.
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**
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* Linking this library statically or dynamically with other modules is
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* making a combined work based on this library. Thus, the terms and
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* conditions of the GNU General Public License cover the whole
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* combination.
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**
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* As a special exception, the copyright holders of this library give you
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* permission to link this library with independent modules to produce an
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* executable, regardless of the license terms of these independent
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* modules, and to copy and distribute the resulting executable under
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* terms of your choice, provided that you also meet, for each linked
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* independent module, the terms and conditions of the license of that
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* module. An independent module is a module which is not derived from
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* or based on this library. If you modify this library, you may extend
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* this exception to your version of the library, but you are not
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* obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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#ifdef JCGO_VER
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#ifndef JCGO_JNILOCKEDOBJS_DEFLEN
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#define JCGO_JNILOCKEDOBJS_DEFLEN 28
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#endif
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#define JCGO_ACCMOD_INTERFACE 0x200
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#define JCGO_ACCMOD_ABSTRACT 0x400
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#ifdef JCGO_SEHTRY
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#ifdef OBJT_java_lang_VMThrowable
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#ifdef JCGO_NOCREATJVM
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#define JCGO_NATCBACK_BEGIN(pJniEnv) { jObject jcgo_throwable; jObjectArr jcgo_localObjs; (void)jcgo_jniCallbackEnter(pJniEnv, &jcgo_throwable, &jcgo_localObjs); { JCGO_TRY_BLOCK {
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#else
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#define JCGO_NATCBACK_BEGIN(pJniEnv) { jObject jcgo_throwable; jObjectArr jcgo_localObjs; if (jcgo_jniCallbackEnter(pJniEnv, &jcgo_throwable, &jcgo_localObjs) || !setjmp(JCGO_JNI_GETTCB(pJniEnv)->jbuf)) { JCGO_TRY_BLOCK {
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#endif
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#else
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#define JCGO_NATCBACK_BEGIN(pJniEnv) { jObject jcgo_throwable; jObjectArr jcgo_localObjs; (void)jcgo_jniCallbackEnter(pJniEnv, &jcgo_throwable, &jcgo_localObjs); { JCGO_TRY_BLOCK {
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#endif
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#define JCGO_NATCBACK_END(pJniEnv) } JCGO_TRY_LEAVE { if (JCGO_JNI_GETTCB(pJniEnv)->throwable != jnull) { jcgo_throwable = JCGO_JNI_GETTCB(pJniEnv)->throwable; JCGO_JNI_GETTCB(pJniEnv)->throwable = jnull; goto jcgo_trynatcaught; } } JCGO_TRY_SEHNOP; jcgo_trynatcaught:; } jcgo_jniCallbackLeave(pJniEnv, jcgo_throwable, jcgo_localObjs); }
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#else
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#define JCGO_NATCBACK_BEGIN(pJniEnv) { struct jcgo_try_s jcgo_try; jObjectArr jcgo_localObjs; jcgo_jniCallbackEnter(pJniEnv, &jcgo_try, &jcgo_localObjs); if (!setjmp(jcgo_try.jbuf)) {
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#define JCGO_NATCBACK_END(pJniEnv) } jcgo_jniCallbackLeave(pJniEnv, jcgo_localObjs); }
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#endif
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STATICDATA CONST struct JNINativeInterface_ jcgo_jniNatIface;
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STATIC jint JNICALL
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jcgo_JniEnsureLocalCapacity( JNIEnv *pJniEnv, jint capacity );
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JCGO_NOSEP_INLINE void CFASTCALL jcgo_abortOnJniEnvCorrupted( void )
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{
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JCGO_FATAL_ABORT("JNIEnv corrupted!");
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}
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JCGO_NOSEP_INLINE void CFASTCALL jcgo_abortOnNonThrowable( void )
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{
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JCGO_FATAL_ABORT("Cannot throw non-throwable object!");
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}
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#ifndef OBJT_java_lang_VMClass
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JCGO_NOSEP_INLINE void CFASTCALL jcgo_abortOnVMClassNotFound( void )
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{
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JCGO_FATAL_ABORT("Cannot find java.lang.VMClass!");
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}
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#endif /* ! OBJT_java_lang_VMClass */
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#ifdef JCGO_NOGC
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JCGO_NOSEP_INLINE
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#else
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#ifdef JCGO_THREADS
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JCGO_NOSEP_STATIC
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#else
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JCGO_NOSEP_INLINE
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#endif
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#endif
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jObject CFASTCALL jcgo_jniDeRef( jobject obj )
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{
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if (obj != NULL)
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{
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#ifndef JCGO_NOGC
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#ifdef JCGO_THREADS
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#ifndef JCGO_FNLZDATA_OMITREFQUE
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if (JCGO_EXPECT_FALSE(*(void **)((volatile char *)obj -
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(int)sizeof(void *)) == JCGO_PTR_RESERVED))
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return *(jObject volatile *)obj != jnull ?
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(jObject)JCGO_MEM_CALLWITHSYNC(&jcgo_refGetPtr, obj) : jnull;
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#endif
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#endif
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#endif
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return *(jObject *)obj;
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}
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return jnull;
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}
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STATIC jobject CFASTCALL jcgo_jniToLocalRef( JNIEnv *pJniEnv, jObject obj )
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{
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jObjectArr localObjs;
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jObjectArr prevLocalObjs;
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jObject *pobj;
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jint len;
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if (obj != jnull)
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for (;;)
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{
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localObjs = JCGO_JNI_GETTCB(pJniEnv)->localObjs;
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while (localObjs != jnull)
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{
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len = JCGO_ARRAY_NZLENGTH(localObjs);
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while (--len > 0)
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if (JCGO_ARR_INTERNALACC(jObject, localObjs, len) == jnull)
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{
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*(pobj = &JCGO_ARR_INTERNALACC(jObject, localObjs, len)) = obj;
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return (jobject)pobj;
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}
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prevLocalObjs = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, localObjs, 1);
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if ((jObjectArr)JCGO_ARR_INTERNALACC(jObject, localObjs, 0) !=
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prevLocalObjs)
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break;
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localObjs = prevLocalObjs;
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}
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if (jcgo_JniEnsureLocalCapacity(pJniEnv, 1))
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JCGO_FATAL_ABORT("Too many JNI local references!");
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}
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return NULL;
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}
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#ifdef JCGO_SEHTRY
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STATIC int CFASTCALL jcgo_jniCallbackEnter( JNIEnv *pJniEnv,
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jObject *pthrowable, jObjectArr *plocalObjs )
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{
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struct jcgo_tcb_s *tcb;
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if (pJniEnv == NULL)
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jcgo_abortOnJniEnvCorrupted();
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if ((tcb = JCGO_JNI_GETTCB(pJniEnv))->jniEnv != &jcgo_jniNatIface ||
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(tcb->insideCallback++, jcgo_restoreTCB(tcb) < 0))
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jcgo_abortOnJniEnvCorrupted();
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*pthrowable = tcb->nativeExc;
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tcb->nativeExc = jnull;
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*plocalObjs = tcb->localObjs;
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tcb->localObjs = jnull;
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tcb->insideCallback--;
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tcb->jniEnv = NULL;
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#ifdef JCGO_NOCREATJVM
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return 0;
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#else
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return (int)tcb->insideJniCall;
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#endif
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}
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JCGO_NOSEP_INLINE void CFASTCALL jcgo_jniCallbackLeave( JNIEnv *pJniEnv,
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jObject throwable, jObjectArr localObjs )
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{
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struct jcgo_tcb_s *tcb;
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(tcb = JCGO_JNI_GETTCB(pJniEnv))->jniEnv = &jcgo_jniNatIface;
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tcb->localObjs = localObjs;
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#ifdef JCGO_THREADS
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jcgo_saveTCB();
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#endif
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tcb->nativeExc = throwable;
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}
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#else /* JCGO_SEHTRY */
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STATIC void CFASTCALL jcgo_jniCallbackEnter( JNIEnv *pJniEnv,
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struct jcgo_try_s *pCurTry, jObjectArr *plocalObjs )
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{
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struct jcgo_tcb_s *tcb;
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if (JCGO_EXPECT_FALSE(pJniEnv == NULL))
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jcgo_abortOnJniEnvCorrupted();
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if ((tcb = JCGO_JNI_GETTCB(pJniEnv))->jniEnv != &jcgo_jniNatIface ||
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(tcb->insideCallback++, jcgo_restoreTCB(tcb) < 0))
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jcgo_abortOnJniEnvCorrupted();
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pCurTry->throwable = tcb->nativeExc;
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pCurTry->last = tcb->pCurTry;
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tcb->pCurTry = pCurTry;
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#ifdef JCGO_THREADS
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pCurTry->pCurMon = tcb->pCurMon;
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tcb->pCurMon = NULL;
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#endif
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tcb->nativeExc = jnull;
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*plocalObjs = tcb->localObjs;
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tcb->localObjs = jnull;
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tcb->insideCallback--;
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tcb->jniEnv = NULL;
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}
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STATIC void CFASTCALL jcgo_jniCallbackLeave( JNIEnv *pJniEnv,
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jObjectArr localObjs )
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{
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struct jcgo_tcb_s *tcb = JCGO_JNI_GETTCB(pJniEnv);
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struct jcgo_try_s *pCurTry = tcb->pCurTry;
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#ifdef JCGO_THREADS
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tcb->pCurMon = pCurTry->pCurMon;
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#endif
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tcb->pCurTry = pCurTry->last;
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tcb->jniEnv = &jcgo_jniNatIface;
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tcb->localObjs = localObjs;
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#ifdef JCGO_THREADS
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jcgo_saveTCB();
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#endif
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tcb->nativeExc = pCurTry->throwable;
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}
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#endif /* ! JCGO_SEHTRY */
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STATIC void CFASTCALL jcgo_jniThrowNullPointerException( JNIEnv *pJniEnv )
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{
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#ifdef OBJT_java_lang_VMThrowable
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JCGO_NATCBACK_BEGIN(pJniEnv)
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JCGO_THROW_EXC(java_lang_VMThrowable__createNullPointerException0X__());
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JCGO_NATCBACK_END(pJniEnv)
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#endif
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}
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JCGO_NOSEP_INLINE void CFASTCALL jcgo_jniHandleInstanceOfNullClass(
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JNIEnv *pJniEnv )
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{
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jObject nativeExc;
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if ((nativeExc = JCGO_JNI_GETTCB(pJniEnv)->nativeExc) != jnull)
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{
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#ifdef OBJT_java_lang_NoClassDefFoundError
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if (jcgo_instanceOf0(OBJT_java_lang_NoClassDefFoundError,
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MAXT_java_lang_NoClassDefFoundError, nativeExc))
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JCGO_JNI_GETTCB(pJniEnv)->nativeExc = jnull;
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#endif
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}
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else jcgo_jniThrowNullPointerException(pJniEnv);
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}
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STATIC jint JNICALL
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jcgo_JniGetVersion( JNIEnv *pJniEnv )
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{
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return (jint)JNI_VERSION_1_6;
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}
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||
|
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STATIC jclass JNICALL
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jcgo_JniDefineClass( JNIEnv *pJniEnv, CONST char *name, jobject loader,
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CONST jbyte *buf, jsize bufLen )
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{
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||
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#ifdef OBJT_java_lang_VMClassLoader_ClassParser
|
||
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java_lang_Class JCGO_TRY_VOLATILE aclass;
|
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jbyteArr buffer;
|
||
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if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull))
|
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return NULL;
|
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if (JCGO_EXPECT_FALSE(buf == NULL))
|
||
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{
|
||
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jcgo_jniThrowNullPointerException(pJniEnv);
|
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return NULL;
|
||
|
}
|
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aclass = jnull;
|
||
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JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
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buffer = (jbyteArr)jcgo_newArray(JCGO_CORECLASS_FOR(OBJT_jbyte), 0,
|
||
|
(jint)bufLen);
|
||
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JCGO_MEM_HCOPY(&JCGO_ARR_INTERNALACC(jbyte, buffer, 0), (void *)buf,
|
||
|
(JCGO_ALLOCSIZE_T)bufLen);
|
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|
aclass = java_lang_VMClassLoader_ClassParser__defineClass0X__LsLoBA(
|
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|
JCGO_EXPECT_TRUE(name != NULL) ? jcgo_utfMakeString(name) : jnull,
|
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|
(java_lang_Object)jcgo_jniDeRef(loader), buffer);
|
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|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
return (jclass)jcgo_jniToLocalRef(pJniEnv, (jObject)aclass);
|
||
|
#else
|
||
|
if (*(void *volatile *)&jcgo_noTypesClassArr.jcgo_methods != NULL)
|
||
|
JCGO_FATAL_ABORT("Cannot find java.lang.VMClassLoader$ClassParser!");
|
||
|
return NULL;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
STATIC jclass JNICALL
|
||
|
jcgo_JniFindClass( JNIEnv *pJniEnv, CONST char *name )
|
||
|
{
|
||
|
java_lang_Class baseClass;
|
||
|
java_lang_Class JCGO_TRY_VOLATILE aclass;
|
||
|
java_lang_String str;
|
||
|
jcharArr arr;
|
||
|
unsigned len;
|
||
|
unsigned dims;
|
||
|
int i;
|
||
|
int j;
|
||
|
unsigned char ch;
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull))
|
||
|
return NULL;
|
||
|
if (JCGO_EXPECT_FALSE(name == NULL))
|
||
|
{
|
||
|
jcgo_jniThrowNullPointerException(pJniEnv);
|
||
|
return NULL;
|
||
|
}
|
||
|
dims = 0;
|
||
|
while (*(name + dims) == (char)0x5b) /*'['*/
|
||
|
dims++;
|
||
|
aclass = jnull;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
len = dims;
|
||
|
while (*(name + len))
|
||
|
len++;
|
||
|
baseClass = jnull;
|
||
|
if (dims && (int)(len - dims) == 1)
|
||
|
switch ((int)(*(name + dims)))
|
||
|
{
|
||
|
case 0x5a: /*'Z'*/
|
||
|
baseClass = JCGO_CORECLASS_FOR(OBJT_jboolean);
|
||
|
break;
|
||
|
case 0x42: /*'B'*/
|
||
|
baseClass = JCGO_CORECLASS_FOR(OBJT_jbyte);
|
||
|
break;
|
||
|
case 0x43: /*'C'*/
|
||
|
baseClass = JCGO_CORECLASS_FOR(OBJT_jchar);
|
||
|
break;
|
||
|
case 0x53: /*'S'*/
|
||
|
baseClass = JCGO_CORECLASS_FOR(OBJT_jshort);
|
||
|
break;
|
||
|
case 0x49: /*'I'*/
|
||
|
baseClass = JCGO_CORECLASS_FOR(OBJT_jint);
|
||
|
break;
|
||
|
case 0x4a: /*'J'*/
|
||
|
baseClass = JCGO_CORECLASS_FOR(OBJT_jlong);
|
||
|
break;
|
||
|
case 0x46: /*'F'*/
|
||
|
baseClass = JCGO_CORECLASS_FOR(OBJT_jfloat);
|
||
|
break;
|
||
|
case 0x44: /*'D'*/
|
||
|
baseClass = JCGO_CORECLASS_FOR(OBJT_jdouble);
|
||
|
break;
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
str = jnull;
|
||
|
if ((!dims || *(name + len - 1) == (char)0x3b) && /*';'*/
|
||
|
len <= (((unsigned)-1) >> 1) - (unsigned)16)
|
||
|
{
|
||
|
i = (int)dims;
|
||
|
if (*(name + dims) == (char)0x4c && /*'L'*/
|
||
|
*(name + len - 1) == (char)0x3b) /*';'*/
|
||
|
{
|
||
|
i++;
|
||
|
len--;
|
||
|
}
|
||
|
if (JCGO_EXPECT_TRUE(i < (int)len))
|
||
|
{
|
||
|
arr = (jcharArr)jcgo_newArray(JCGO_CORECLASS_FOR(OBJT_jchar), 0,
|
||
|
(int)len - i);
|
||
|
str = (java_lang_String)jcgo_newObject((jvtable)&java_lang_String_methods);
|
||
|
JCGO_FIELD_NZACCESS(str, value) = (void *)arr;
|
||
|
JCGO_FIELD_NZACCESS(str, count) = (int)len - i;
|
||
|
j = 0;
|
||
|
do
|
||
|
{
|
||
|
ch = (unsigned char)(*(name + i));
|
||
|
if (JCGO_EXPECT_FALSE(ch == (unsigned char)0x2e || /*'.'*/
|
||
|
ch > (unsigned char)0x7f))
|
||
|
{
|
||
|
str = jnull;
|
||
|
break;
|
||
|
}
|
||
|
JCGO_ARR_INTERNALACC(jchar, arr, j) =
|
||
|
(jchar)(ch != (unsigned char)0x2f ? /*'/'*/
|
||
|
ch : (unsigned char)0x2e); /*'.'*/
|
||
|
j++;
|
||
|
} while (++i < (int)len);
|
||
|
}
|
||
|
}
|
||
|
if (JCGO_EXPECT_TRUE(str != jnull))
|
||
|
baseClass = jcgo_findClass(str, 0);
|
||
|
if (JCGO_EXPECT_TRUE(baseClass != jnull))
|
||
|
{
|
||
|
if (dims)
|
||
|
{
|
||
|
#ifdef OBJT_java_lang_VMClass
|
||
|
aclass = java_lang_VMClass__arrayClassOf0X__LcI(baseClass, (jint)dims);
|
||
|
#else
|
||
|
jcgo_abortOnVMClassNotFound();
|
||
|
#endif
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
aclass = baseClass;
|
||
|
}
|
||
|
}
|
||
|
#ifdef OBJT_java_lang_VMThrowable
|
||
|
else JCGO_THROW_EXC(
|
||
|
java_lang_VMThrowable__createNoClassDefFoundError0X__LsI(str, 0));
|
||
|
#endif
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
return (jclass)jcgo_jniToLocalRef(pJniEnv, (jObject)aclass);
|
||
|
}
|
||
|
|
||
|
STATIC jclass JNICALL
|
||
|
jcgo_JniGetSuperclass( JNIEnv *pJniEnv, jclass clazz )
|
||
|
{
|
||
|
java_lang_Class aclass;
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull))
|
||
|
return NULL;
|
||
|
aclass = (java_lang_Class)jcgo_jniDeRef((jobject)clazz);
|
||
|
if (JCGO_EXPECT_FALSE(aclass == jnull))
|
||
|
{
|
||
|
jcgo_jniThrowNullPointerException(pJniEnv);
|
||
|
return NULL;
|
||
|
}
|
||
|
return (jclass)jcgo_jniToLocalRef(pJniEnv,
|
||
|
(unsigned)((jvtable)&JCGO_METHODS_OF(JCGO_FIELD_NZACCESS(aclass,
|
||
|
vmdata)))->jcgo_typeid - (unsigned)(OBJT_jarray + 1) >=
|
||
|
(unsigned)(OBJT_void + JCGO_DIMS_MAX - 1) ?
|
||
|
(jObject)JCGO_FIELD_NZACCESS(aclass, superclass) :
|
||
|
(jObject)JCGO_CLASSREF_OF(java_lang_Object__class));
|
||
|
}
|
||
|
|
||
|
STATIC jboolean JNICALL
|
||
|
jcgo_JniIsAssignableFrom( JNIEnv *pJniEnv, jclass subclass, jclass clazz )
|
||
|
{
|
||
|
java_lang_Class srcClass = (java_lang_Class)jcgo_jniDeRef((jobject)subclass);
|
||
|
java_lang_Class aclass;
|
||
|
if (srcClass == jnull ||
|
||
|
(aclass = (java_lang_Class)jcgo_jniDeRef((jobject)clazz)) == jnull)
|
||
|
{
|
||
|
jcgo_jniHandleInstanceOfNullClass(pJniEnv);
|
||
|
return (jboolean)JNI_FALSE;
|
||
|
}
|
||
|
return (jboolean)(jcgo_isAssignable(srcClass, aclass, 0, 0) ? JNI_TRUE :
|
||
|
JNI_FALSE);
|
||
|
}
|
||
|
|
||
|
STATIC jint JNICALL
|
||
|
jcgo_JniThrow( JNIEnv *pJniEnv, jthrowable obj )
|
||
|
{
|
||
|
#ifdef OBJT_java_lang_Throwable
|
||
|
jObject jobj;
|
||
|
struct jcgo_tcb_s *tcb = JCGO_JNI_GETTCB(pJniEnv);
|
||
|
if (JCGO_EXPECT_FALSE(tcb->nativeExc != jnull))
|
||
|
return (jint)JNI_ERR;
|
||
|
jobj = jcgo_jniDeRef((jobject)obj);
|
||
|
if (JCGO_EXPECT_FALSE(jobj == jnull))
|
||
|
{
|
||
|
jcgo_jniThrowNullPointerException(pJniEnv);
|
||
|
return (jint)JNI_ERR;
|
||
|
}
|
||
|
if (!jcgo_instanceOf0(OBJT_java_lang_Throwable, MAXT_java_lang_Throwable,
|
||
|
jobj))
|
||
|
jcgo_abortOnNonThrowable();
|
||
|
#ifdef JCGO_THREADS
|
||
|
if (JCGO_EXPECT_FALSE(tcb->stopExc != jnull))
|
||
|
return (jint)JNI_ERR;
|
||
|
#endif
|
||
|
tcb->nativeExc = jobj;
|
||
|
#else
|
||
|
jcgo_abortOnNonThrowable();
|
||
|
#endif
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
STATIC jint JNICALL
|
||
|
jcgo_JniThrowNew( JNIEnv *pJniEnv, jclass clazz, CONST char *msg )
|
||
|
{
|
||
|
#ifdef OBJT_java_lang_Throwable
|
||
|
java_lang_Class aclass;
|
||
|
java_lang_String str;
|
||
|
java_lang_String name;
|
||
|
jObject jobj;
|
||
|
struct jcgo_jobjectarr_s jcgo_stackobj1;
|
||
|
CONST struct jcgo_reflect_s *jcgo_reflect;
|
||
|
CONST struct jcgo_methodentry_s *pentry;
|
||
|
jObject (CFASTCALL *rtn)(jObject) = 0;
|
||
|
jObjectArr methodsTypes;
|
||
|
jObjectArr methodsName;
|
||
|
jObjectArr methodsDims;
|
||
|
jObjectArr argTypes;
|
||
|
jbyteArr paramDims;
|
||
|
jObjectArr objectArgs;
|
||
|
int slotNoArg;
|
||
|
int slotStrArg;
|
||
|
int i;
|
||
|
int count;
|
||
|
JCGO_TRY_VOLATILE int res;
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull))
|
||
|
return (jint)JNI_ERR;
|
||
|
aclass = (java_lang_Class)jcgo_jniDeRef((jobject)clazz);
|
||
|
if (JCGO_EXPECT_FALSE(aclass == jnull))
|
||
|
{
|
||
|
jcgo_jniThrowNullPointerException(pJniEnv);
|
||
|
return (jint)JNI_ERR;
|
||
|
}
|
||
|
#ifdef JCGO_THREADS
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->stopExc != jnull))
|
||
|
return (jint)JNI_ERR;
|
||
|
#endif
|
||
|
res = (int)JNI_ERR;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
str = msg != NULL ? jcgo_utfMakeString(msg) : jnull;
|
||
|
jobj = jnull;
|
||
|
pentry = NULL;
|
||
|
slotNoArg = -1;
|
||
|
slotStrArg = -1;
|
||
|
if (JCGO_EXPECT_TRUE((JCGO_FIELD_NZACCESS(aclass, modifiers) &
|
||
|
(JCGO_ACCMOD_INTERFACE | JCGO_ACCMOD_ABSTRACT)) == 0))
|
||
|
{
|
||
|
jcgo_reflect = ((jvtable)&JCGO_METHODS_OF(
|
||
|
JCGO_FIELD_NZACCESS(aclass, vmdata)))->jcgo_reflect;
|
||
|
if (JCGO_EXPECT_TRUE(jcgo_reflect != NULL) &&
|
||
|
(methodsTypes = jcgo_reflect->methodsTypes) != jnull)
|
||
|
{
|
||
|
count = (int)JCGO_ARRAY_NZLENGTH(methodsTypes);
|
||
|
methodsName = jcgo_reflect->methodsName;
|
||
|
methodsDims = jcgo_reflect->methodsDims;
|
||
|
pentry = jcgo_reflect->methodsEntry;
|
||
|
for (i = 0; i < count; i++)
|
||
|
if (methodsName == jnull || (name = (java_lang_String)
|
||
|
JCGO_ARR_INTERNALACC(jObject, methodsName, i)) == jnull ||
|
||
|
!JCGO_FIELD_NZACCESS(name, count))
|
||
|
{
|
||
|
argTypes = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, methodsTypes, i);
|
||
|
if (argTypes != jnull && JCGO_ARRAY_NZLENGTH(argTypes))
|
||
|
{
|
||
|
if (str != jnull && JCGO_ARRAY_NZLENGTH(argTypes) == 1 &&
|
||
|
(java_lang_Class)JCGO_ARR_INTERNALACC(jObject, argTypes, 0) ==
|
||
|
JCGO_CLASSREF_OF(java_lang_String__class) &&
|
||
|
(methodsDims == jnull || (paramDims =
|
||
|
(jbyteArr)JCGO_ARR_INTERNALACC(jObject, methodsDims, i)) == jnull ||
|
||
|
!JCGO_ARR_INTERNALACC(jbyte, paramDims, 0)))
|
||
|
{
|
||
|
slotStrArg = i;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
slotNoArg = i;
|
||
|
if (str == jnull)
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else if ((rtn = ((jvtable)&JCGO_METHODS_OF(
|
||
|
JCGO_FIELD_NZACCESS(aclass, vmdata)))->jcgo_thisRtn) != 0)
|
||
|
slotNoArg = 0;
|
||
|
if (JCGO_EXPECT_TRUE((slotNoArg & slotStrArg) >= 0))
|
||
|
jobj = jcgo_newObject(
|
||
|
(jvtable)&JCGO_METHODS_OF(JCGO_FIELD_NZACCESS(aclass, vmdata)));
|
||
|
}
|
||
|
if (!jcgo_instanceOf0(OBJT_java_lang_Throwable, MAXT_java_lang_Throwable,
|
||
|
jobj))
|
||
|
jcgo_abortOnNonThrowable();
|
||
|
#ifdef JCGO_STDCLINIT
|
||
|
jcgo_clinitTrig(aclass);
|
||
|
#else
|
||
|
#ifdef JCGO_CLINITCHK
|
||
|
jcgo_clinitCheckOrder(aclass);
|
||
|
#endif
|
||
|
#endif
|
||
|
if (pentry != NULL)
|
||
|
{
|
||
|
objectArgs = jnull;
|
||
|
if (slotStrArg >= 0)
|
||
|
{
|
||
|
objectArgs = JCGO_STACKOBJ_OBJARRNEW(jcgo_stackobj1, jObjectArr_methods,
|
||
|
JCGO_CLASSREF_OF(java_lang_Object__class), 1);
|
||
|
JCGO_ARR_INTERNALACC(jObject, objectArgs, 0) = (jObject)str;
|
||
|
pentry = pentry + (unsigned)slotStrArg;
|
||
|
}
|
||
|
else pentry = pentry + (unsigned)slotNoArg;
|
||
|
jobj = (*pentry->mproxy)(pentry->jmethod, jobj, jnull, jnull, jnull, jnull,
|
||
|
objectArgs);
|
||
|
}
|
||
|
else jobj = (*rtn)(jobj);
|
||
|
res = 0;
|
||
|
if (JCGO_EXPECT_FALSE(*(void *volatile *)
|
||
|
&jcgo_noTypesClassArr.jcgo_methods != NULL))
|
||
|
JCGO_THROW_EXC(jobj);
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
return (jint)res;
|
||
|
#else
|
||
|
jcgo_abortOnNonThrowable();
|
||
|
return 0;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
STATIC jthrowable JNICALL
|
||
|
jcgo_JniExceptionOccurred( JNIEnv *pJniEnv )
|
||
|
{
|
||
|
jObject ex = JCGO_JNI_GETTCB(pJniEnv)->nativeExc;
|
||
|
#ifdef JCGO_THREADS
|
||
|
if (JCGO_EXPECT_TRUE(ex == jnull))
|
||
|
ex = JCGO_JNI_GETTCB(pJniEnv)->stopExc;
|
||
|
#endif
|
||
|
return (jthrowable)jcgo_jniToLocalRef(pJniEnv, ex);
|
||
|
}
|
||
|
|
||
|
STATIC void JNICALL
|
||
|
jcgo_JniExceptionDescribe( JNIEnv *pJniEnv )
|
||
|
{
|
||
|
#ifdef OBJT_java_lang_VMThread
|
||
|
JCGO_TRY_VOLATILE int res = 0;
|
||
|
jObject ex;
|
||
|
if ((ex = JCGO_JNI_GETTCB(pJniEnv)->nativeExc) == jnull)
|
||
|
return;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
res = (int)java_lang_VMThread__jniExceptionDescribe0X__Lo(
|
||
|
(java_lang_Object)ex);
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
if (JCGO_EXPECT_TRUE(res != 0))
|
||
|
return;
|
||
|
JCGO_JNI_GETTCB(pJniEnv)->nativeExc = ex;
|
||
|
#else
|
||
|
#ifndef JCGO_NOFATALMSG
|
||
|
if (JCGO_JNI_GETTCB(pJniEnv)->nativeExc == jnull)
|
||
|
return;
|
||
|
#endif
|
||
|
#endif
|
||
|
#ifndef JCGO_NOFATALMSG
|
||
|
JCGO_JNI_FUNC(jcgo_JavaWriteLnToStderr)(" JNI exception occurred!", "");
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
STATIC void JNICALL
|
||
|
jcgo_JniExceptionClear( JNIEnv *pJniEnv )
|
||
|
{
|
||
|
JCGO_JNI_GETTCB(pJniEnv)->nativeExc = jnull;
|
||
|
}
|
||
|
|
||
|
STATIC void JNICALL
|
||
|
jcgo_JniFatalError( JNIEnv *pJniEnv, CONST char *msg )
|
||
|
{
|
||
|
JCGO_FATAL_ABORT(msg != NULL && *msg ? msg : "JNI error!");
|
||
|
}
|
||
|
|
||
|
STATIC jint JNICALL
|
||
|
jcgo_JniPushLocalFrame( JNIEnv *pJniEnv, jint capacity )
|
||
|
{
|
||
|
jObjectArr JCGO_TRY_VOLATILE localObjs = jnull;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
localObjs = (jObjectArr)jcgo_newArray(
|
||
|
JCGO_CLASSREF_OF(java_lang_Object__class), 0,
|
||
|
(capacity > 0 ? capacity : 1) + 3);
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
if (JCGO_EXPECT_FALSE(localObjs == jnull))
|
||
|
return (jint)JNI_ERR;
|
||
|
JCGO_ARR_INTERNALACC(jObject, localObjs, 0) =
|
||
|
(jObject)JCGO_JNI_GETTCB(pJniEnv)->localObjs;
|
||
|
JCGO_JNI_GETTCB(pJniEnv)->localObjs = (jObjectArr)localObjs;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
STATIC jobject JNICALL
|
||
|
jcgo_JniPopLocalFrame( JNIEnv *pJniEnv, jobject obj )
|
||
|
{
|
||
|
jint len;
|
||
|
jObject jobj = jcgo_jniDeRef(obj);
|
||
|
jObjectArr localObjs = JCGO_JNI_GETTCB(pJniEnv)->localObjs;
|
||
|
jObjectArr prevLocalObjs;
|
||
|
do
|
||
|
{
|
||
|
if (localObjs == jnull || (JCGO_JNI_GETTCB(pJniEnv)->localObjs =
|
||
|
(jObjectArr)JCGO_ARR_INTERNALACC(jObject, localObjs, 0)) == jnull)
|
||
|
JCGO_FATAL_ABORT("Cannot delete JNI first local frame!");
|
||
|
len = JCGO_ARRAY_NZLENGTH(localObjs);
|
||
|
prevLocalObjs = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, localObjs, 1);
|
||
|
while (--len > 0)
|
||
|
JCGO_ARR_INTERNALACC(jObject, localObjs, len) = jnull;
|
||
|
} while ((localObjs = JCGO_JNI_GETTCB(pJniEnv)->localObjs) == prevLocalObjs);
|
||
|
return jcgo_jniToLocalRef(pJniEnv, jobj);
|
||
|
}
|
||
|
|
||
|
STATIC jobject JNICALL
|
||
|
jcgo_JniNewGlobalRef( JNIEnv *pJniEnv, jobject obj )
|
||
|
{
|
||
|
jObjectArr nextEntry;
|
||
|
jObjectArr prevEntry;
|
||
|
jObjectArr JCGO_TRY_VOLATILE queEntry;
|
||
|
jObject jobj;
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull))
|
||
|
return NULL;
|
||
|
jobj = jcgo_jniDeRef(obj);
|
||
|
if (JCGO_EXPECT_FALSE(jobj == jnull))
|
||
|
return NULL;
|
||
|
queEntry = jnull;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
prevEntry = (jObjectArr)jcgo_newArray(
|
||
|
JCGO_CLASSREF_OF(java_lang_Object__class), 0, 3);
|
||
|
JCGO_ARR_INTERNALACC(jObject, prevEntry, 2) = jobj;
|
||
|
JCGO_CRITMOD_BEGIN(jcgo_jniGlobalRefsMutex)
|
||
|
nextEntry = jcgo_globData.jniGlobalRefsQue;
|
||
|
if (JCGO_EXPECT_TRUE(nextEntry != jnull))
|
||
|
{
|
||
|
JCGO_ARR_INTERNALACC(jObject, prevEntry, 0) = (jObject)nextEntry;
|
||
|
JCGO_ARR_INTERNALACC(jObject, nextEntry, 1) = (jObject)prevEntry;
|
||
|
}
|
||
|
jcgo_globData.jniGlobalRefsQue = prevEntry;
|
||
|
JCGO_CRITMOD_END(jcgo_jniGlobalRefsMutex)
|
||
|
queEntry = prevEntry;
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
return JCGO_EXPECT_TRUE(queEntry != jnull) ?
|
||
|
(jobject)&JCGO_ARR_INTERNALACC(jObject, queEntry, 2) : NULL;
|
||
|
}
|
||
|
|
||
|
STATIC void JNICALL
|
||
|
jcgo_JniDeleteGlobalRef( JNIEnv *pJniEnv, jobject globalref )
|
||
|
{
|
||
|
jObjectArr queEntry;
|
||
|
jObjectArr nextEntry;
|
||
|
jObjectArr prevEntry;
|
||
|
if (JCGO_EXPECT_TRUE(globalref != NULL))
|
||
|
{
|
||
|
queEntry = (jObjectArr)((volatile char *)globalref -
|
||
|
(JCGO_OFFSET_OF(struct jcgo_jobjectarr_s, jObject) +
|
||
|
sizeof(jObject) * 2));
|
||
|
if (JCGO_ARRAY_NZLENGTH(queEntry) != 3 ||
|
||
|
JCGO_METHODS_OF(queEntry)->jcgo_typeid != OBJT_jarray + OBJT_void ||
|
||
|
JCGO_ARR_INTERNALACC(jObject, queEntry, 2) == jnull)
|
||
|
JCGO_FATAL_ABORT("Invalid JNI global reference!");
|
||
|
#ifndef JCGO_PARALLEL
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
#endif
|
||
|
JCGO_ARR_INTERNALACC(jObject, queEntry, 2) = jnull;
|
||
|
JCGO_CRITMOD_BEGIN(jcgo_jniGlobalRefsMutex)
|
||
|
nextEntry = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, queEntry, 0);
|
||
|
prevEntry = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, queEntry, 1);
|
||
|
if (JCGO_EXPECT_TRUE(nextEntry != jnull))
|
||
|
JCGO_ARR_INTERNALACC(jObject, nextEntry, 1) = (jObject)prevEntry;
|
||
|
if (JCGO_EXPECT_TRUE(prevEntry != jnull))
|
||
|
JCGO_ARR_INTERNALACC(jObject, prevEntry, 0) = (jObject)nextEntry;
|
||
|
else jcgo_globData.jniGlobalRefsQue = nextEntry;
|
||
|
JCGO_CRITMOD_END(jcgo_jniGlobalRefsMutex)
|
||
|
#ifndef JCGO_PARALLEL
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
#endif
|
||
|
}
|
||
|
}
|
||
|
|
||
|
STATIC void JNICALL
|
||
|
jcgo_JniDeleteLocalRef( JNIEnv *pJniEnv, jobject localref )
|
||
|
{
|
||
|
if (JCGO_EXPECT_TRUE(localref != NULL))
|
||
|
*(jObject *)localref = jnull;
|
||
|
}
|
||
|
|
||
|
STATIC jboolean JNICALL
|
||
|
jcgo_JniIsSameObject( JNIEnv *pJniEnv, jobject obj1, jobject obj2 )
|
||
|
{
|
||
|
return (jboolean)(jcgo_jniDeRef(obj1) == jcgo_jniDeRef(obj2) ? JNI_TRUE :
|
||
|
JNI_FALSE);
|
||
|
}
|
||
|
|
||
|
STATIC jobject JNICALL
|
||
|
jcgo_JniNewLocalRef( JNIEnv *pJniEnv, jobject obj )
|
||
|
{
|
||
|
return jcgo_jniToLocalRef(pJniEnv, jcgo_jniDeRef(obj));
|
||
|
}
|
||
|
|
||
|
STATIC jint JNICALL
|
||
|
jcgo_JniEnsureLocalCapacity( JNIEnv *pJniEnv, jint capacity )
|
||
|
{
|
||
|
jint len = 0;
|
||
|
jObjectArr localObjs;
|
||
|
jObjectArr JCGO_TRY_VOLATILE newLocalObjs;
|
||
|
localObjs = JCGO_JNI_GETTCB(pJniEnv)->localObjs;
|
||
|
if (JCGO_EXPECT_TRUE(capacity > 0))
|
||
|
{
|
||
|
if (JCGO_EXPECT_TRUE(localObjs != jnull) &&
|
||
|
(len = JCGO_ARRAY_NZLENGTH(localObjs)) > capacity)
|
||
|
{
|
||
|
while (--len > 0)
|
||
|
if (JCGO_ARR_INTERNALACC(jObject, localObjs, len) == jnull &&
|
||
|
--capacity <= 0)
|
||
|
return 0;
|
||
|
len = JCGO_ARRAY_NZLENGTH(localObjs);
|
||
|
}
|
||
|
if (JCGO_EXPECT_FALSE(localObjs == jnull || (len += capacity) <= 0))
|
||
|
len = (jint)(((u_jint)-1) >> 1);
|
||
|
newLocalObjs = jnull;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
newLocalObjs = (jObjectArr)jcgo_newArray(
|
||
|
JCGO_CLASSREF_OF(java_lang_Object__class), 0, len);
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
if (JCGO_EXPECT_FALSE(newLocalObjs == jnull))
|
||
|
return (jint)JNI_ERR;
|
||
|
JCGO_ARR_INTERNALACC(jObject, newLocalObjs, 0) = (jObject)localObjs;
|
||
|
JCGO_ARR_INTERNALACC(jObject, newLocalObjs, 1) = (jObject)localObjs;
|
||
|
JCGO_JNI_GETTCB(pJniEnv)->localObjs = (jObjectArr)newLocalObjs;
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
STATIC jobject JNICALL
|
||
|
jcgo_JniAllocObject( JNIEnv *pJniEnv, jclass clazz )
|
||
|
{
|
||
|
java_lang_Class aclass;
|
||
|
jObject JCGO_TRY_VOLATILE jobj;
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull))
|
||
|
return NULL;
|
||
|
aclass = (java_lang_Class)jcgo_jniDeRef((jobject)clazz);
|
||
|
if (JCGO_EXPECT_FALSE(aclass == jnull))
|
||
|
{
|
||
|
jcgo_jniThrowNullPointerException(pJniEnv);
|
||
|
return NULL;
|
||
|
}
|
||
|
jobj = jnull;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
if (JCGO_EXPECT_TRUE((JCGO_FIELD_NZACCESS(aclass, modifiers) &
|
||
|
(JCGO_ACCMOD_INTERFACE | JCGO_ACCMOD_ABSTRACT)) == 0))
|
||
|
jobj = jcgo_newObject(
|
||
|
(jvtable)&JCGO_METHODS_OF(JCGO_FIELD_NZACCESS(aclass, vmdata)));
|
||
|
#ifdef OBJT_java_lang_VMThrowable
|
||
|
else JCGO_THROW_EXC(
|
||
|
java_lang_VMThrowable__createInstantiationException0X__Lc(aclass));
|
||
|
#endif
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
return jcgo_jniToLocalRef(pJniEnv, (jObject)jobj);
|
||
|
}
|
||
|
|
||
|
STATIC jclass JNICALL
|
||
|
jcgo_JniGetObjectClass( JNIEnv *pJniEnv, jobject obj )
|
||
|
{
|
||
|
jObject jobj;
|
||
|
java_lang_Class JCGO_TRY_VOLATILE aclass;
|
||
|
int dims;
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull))
|
||
|
return NULL;
|
||
|
jobj = jcgo_jniDeRef(obj);
|
||
|
if (JCGO_EXPECT_FALSE(jobj == jnull))
|
||
|
{
|
||
|
jcgo_jniThrowNullPointerException(pJniEnv);
|
||
|
return NULL;
|
||
|
}
|
||
|
dims = JCGO_METHODS_OF(jobj)->jcgo_typeid - (OBJT_jarray + OBJT_void);
|
||
|
if ((unsigned)dims < (unsigned)JCGO_DIMS_MAX)
|
||
|
{
|
||
|
aclass = jnull;
|
||
|
#ifdef OBJT_java_lang_VMClass
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
aclass = java_lang_VMClass__arrayClassOf0X__LcI(
|
||
|
JCGO_OBJARR_COMPCLASS((jObjectArr)jobj), (jint)(dims + 1));
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
#else
|
||
|
jcgo_abortOnVMClassNotFound();
|
||
|
#endif
|
||
|
}
|
||
|
else aclass = JCGO_METHODS_OF(jobj)->jcgo_class;
|
||
|
return (jclass)jcgo_jniToLocalRef(pJniEnv, (jObject)aclass);
|
||
|
}
|
||
|
|
||
|
STATIC jboolean JNICALL
|
||
|
jcgo_JniIsInstanceOf( JNIEnv *pJniEnv, jobject obj, jclass clazz )
|
||
|
{
|
||
|
jObject jobj;
|
||
|
java_lang_Class aclass = (java_lang_Class)jcgo_jniDeRef((jobject)clazz);
|
||
|
java_lang_Class srcClass;
|
||
|
int typenum;
|
||
|
if (JCGO_EXPECT_FALSE(aclass == jnull))
|
||
|
{
|
||
|
jcgo_jniHandleInstanceOfNullClass(pJniEnv);
|
||
|
return (jboolean)JNI_FALSE;
|
||
|
}
|
||
|
jobj = jcgo_jniDeRef(obj);
|
||
|
if (jobj == jnull)
|
||
|
return (jboolean)JNI_FALSE;
|
||
|
typenum = JCGO_METHODS_OF(jobj)->jcgo_typeid;
|
||
|
srcClass = JCGO_METHODS_OF(jobj)->jcgo_class;
|
||
|
if (typenum >= OBJT_jarray + OBJT_void &&
|
||
|
typenum < OBJT_jarray + OBJT_void + JCGO_DIMS_MAX)
|
||
|
srcClass = JCGO_OBJARR_COMPCLASS((jObjectArr)jobj);
|
||
|
else typenum = OBJT_jarray + OBJT_void - 1;
|
||
|
return (jboolean)(jcgo_isAssignable(srcClass, aclass,
|
||
|
typenum - (OBJT_jarray + OBJT_void - 1), 0) ? JNI_TRUE : JNI_FALSE);
|
||
|
}
|
||
|
|
||
|
STATIC jint JNICALL
|
||
|
jcgo_JniRegisterNatives( JNIEnv *pJniEnv, jclass clazz,
|
||
|
CONST JNINativeMethod *methods, jint nMethods )
|
||
|
{
|
||
|
/* dummy */
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
STATIC jint JNICALL
|
||
|
jcgo_JniUnregisterNatives( JNIEnv *pJniEnv, jclass clazz )
|
||
|
{
|
||
|
/* dummy */
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
STATIC jint JNICALL
|
||
|
jcgo_JniMonitorEnter( JNIEnv *pJniEnv, jobject obj )
|
||
|
{
|
||
|
jObject jobj = jcgo_jniDeRef(obj);
|
||
|
#ifdef JCGO_THREADS
|
||
|
JCGO_TRY_VOLATILE int res;
|
||
|
struct jcgo_tcb_s *tcb;
|
||
|
jObjectArr listEntry;
|
||
|
jObjectArr *pentry;
|
||
|
jint len;
|
||
|
#endif
|
||
|
if (JCGO_EXPECT_FALSE(jobj == jnull))
|
||
|
{
|
||
|
if (JCGO_JNI_GETTCB(pJniEnv)->nativeExc == jnull)
|
||
|
jcgo_jniThrowNullPointerException(pJniEnv);
|
||
|
return (jint)JNI_ERR;
|
||
|
}
|
||
|
#ifdef JCGO_THREADS
|
||
|
res = (int)JNI_ERR;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
JCGO_GET_CURTCB(&tcb);
|
||
|
if (jcgo_monEnterInner(jobj, tcb))
|
||
|
{
|
||
|
pentry = &tcb->jniLockedObjs;
|
||
|
for (;;)
|
||
|
{
|
||
|
listEntry = *pentry;
|
||
|
if (JCGO_EXPECT_FALSE(listEntry == jnull))
|
||
|
{
|
||
|
{
|
||
|
JCGO_TRY_BLOCK
|
||
|
{
|
||
|
*pentry = (jObjectArr)jcgo_newArray(
|
||
|
JCGO_CLASSREF_OF(java_lang_Object__class), 0,
|
||
|
JCGO_JNILOCKEDOBJS_DEFLEN);
|
||
|
}
|
||
|
JCGO_TRY_LEAVE
|
||
|
{
|
||
|
if (JCGO_EXPECT_FALSE(*pentry == jnull))
|
||
|
jcgo_monLeaveInner(jobj, tcb);
|
||
|
}
|
||
|
JCGO_TRY_FINALLYEND
|
||
|
}
|
||
|
JCGO_ARR_INTERNALACC(jObject, *pentry, JCGO_JNILOCKEDOBJS_DEFLEN - 1) =
|
||
|
jobj;
|
||
|
break;
|
||
|
}
|
||
|
len = JCGO_ARRAY_NZLENGTH(listEntry);
|
||
|
while (--len > 0)
|
||
|
if (JCGO_ARR_INTERNALACC(jObject, listEntry, len) == jnull)
|
||
|
break;
|
||
|
if (JCGO_EXPECT_TRUE(len != 0))
|
||
|
{
|
||
|
JCGO_ARR_INTERNALACC(jObject, listEntry, len) = jobj;
|
||
|
break;
|
||
|
}
|
||
|
pentry = (jObjectArr *)&JCGO_ARR_INTERNALACC(jObject, listEntry, 0);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
listEntry = (jObjectArr)jcgo_newArray(
|
||
|
JCGO_CLASSREF_OF(java_lang_Object__class), 0, 2);
|
||
|
JCGO_ARR_INTERNALACC(jObject, listEntry, 0) = jobj;
|
||
|
JCGO_ARR_INTERNALACC(jObject, listEntry, 1) =
|
||
|
(jObject)tcb->overlockedObjsList;
|
||
|
tcb->overlockedObjsList = listEntry;
|
||
|
}
|
||
|
res = 0;
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
return (jint)res;
|
||
|
#else
|
||
|
return 0;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
STATIC jint JNICALL
|
||
|
jcgo_JniMonitorExit( JNIEnv *pJniEnv, jobject obj )
|
||
|
{
|
||
|
jObject jobj = jcgo_jniDeRef(obj);
|
||
|
#ifdef JCGO_THREADS
|
||
|
JCGO_TRY_VOLATILE int res;
|
||
|
struct jcgo_tcb_s *tcb;
|
||
|
jObjectArr listEntry;
|
||
|
jObjectArr *pentry;
|
||
|
jint len;
|
||
|
#endif
|
||
|
if (JCGO_EXPECT_FALSE(jobj == jnull))
|
||
|
{
|
||
|
if (JCGO_JNI_GETTCB(pJniEnv)->nativeExc == jnull)
|
||
|
jcgo_jniThrowNullPointerException(pJniEnv);
|
||
|
return (jint)JNI_ERR;
|
||
|
}
|
||
|
#ifdef JCGO_THREADS
|
||
|
res = (int)JNI_ERR;
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
JCGO_GET_CURTCB(&tcb);
|
||
|
pentry = &tcb->overlockedObjsList;
|
||
|
for (;;)
|
||
|
{
|
||
|
if ((listEntry = *pentry) == jnull)
|
||
|
{
|
||
|
#ifdef OBJT_java_lang_VMThread
|
||
|
if (jcgo_monLeaveInner(jobj, tcb) < 0)
|
||
|
java_lang_VMThread__throwIllegalMonitorStateException0X__();
|
||
|
#else
|
||
|
jcgo_monLeaveInner(jobj, tcb);
|
||
|
#endif
|
||
|
for (listEntry = tcb->jniLockedObjs; listEntry != jnull;
|
||
|
listEntry = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, listEntry, 0))
|
||
|
{
|
||
|
len = JCGO_ARRAY_NZLENGTH(listEntry);
|
||
|
while (--len > 0)
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_ARR_INTERNALACC(jObject, listEntry, len) ==
|
||
|
jobj))
|
||
|
break;
|
||
|
if (JCGO_EXPECT_TRUE(len != 0))
|
||
|
{
|
||
|
JCGO_ARR_INTERNALACC(jObject, listEntry, len) = jnull;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_ARR_INTERNALACC(jObject, listEntry, 0) == jobj))
|
||
|
{
|
||
|
*pentry = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, listEntry, 1);
|
||
|
break;
|
||
|
}
|
||
|
pentry = (jObjectArr *)&JCGO_ARR_INTERNALACC(jObject, listEntry, 1);
|
||
|
}
|
||
|
res = 0;
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
return (jint)res;
|
||
|
#else
|
||
|
return 0;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
STATIC jweak JNICALL
|
||
|
jcgo_JniNewWeakGlobalRef( JNIEnv *pJniEnv, jobject obj )
|
||
|
{
|
||
|
jObject jobj;
|
||
|
#ifndef JCGO_FNLZDATA_OMITREFQUE
|
||
|
jObjectArr listEntry;
|
||
|
struct jcgo_refexthidden_s *pexthidden;
|
||
|
#endif
|
||
|
jweak JCGO_TRY_VOLATILE weakref;
|
||
|
if (JCGO_EXPECT_FALSE(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull))
|
||
|
return NULL;
|
||
|
jobj = jcgo_jniDeRef(obj);
|
||
|
weakref = NULL;
|
||
|
if (JCGO_EXPECT_TRUE(jobj != jnull))
|
||
|
{
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
#ifdef JCGO_FNLZDATA_OMITREFQUE
|
||
|
#ifdef OBJT_java_lang_VMThrowable
|
||
|
java_lang_VMThrowable__throwOutOfMemoryError0X__();
|
||
|
#endif
|
||
|
#else
|
||
|
listEntry = (jObjectArr)jcgo_newArray(
|
||
|
JCGO_CLASSREF_OF(java_lang_Object__class), 0, 2);
|
||
|
pexthidden = jcgo_newWeakQueRef(jnull, (jObject)listEntry, jobj, 1);
|
||
|
if (JCGO_EXPECT_TRUE(pexthidden != NULL))
|
||
|
{
|
||
|
#ifdef JCGO_THREADS
|
||
|
*(void **)((volatile char *)&pexthidden->hidden.obj -
|
||
|
(int)sizeof(void *)) = JCGO_PTR_RESERVED;
|
||
|
#endif
|
||
|
JCGO_ARR_INTERNALACC(jObject, listEntry, 0) = (jObject)pexthidden;
|
||
|
JCGO_CRITMOD_BEGIN(jcgo_jniWeakRefsMutex)
|
||
|
JCGO_ARR_INTERNALACC(jObject, listEntry, 1) =
|
||
|
(jObject)jcgo_globData.jniWeakRefsList;
|
||
|
jcgo_globData.jniWeakRefsList = listEntry;
|
||
|
JCGO_CRITMOD_END(jcgo_jniWeakRefsMutex)
|
||
|
weakref = (jweak)&pexthidden->hidden.obj;
|
||
|
}
|
||
|
#ifdef OBJT_java_lang_VMThrowable
|
||
|
else java_lang_VMThrowable__throwOutOfMemoryError0X__();
|
||
|
#endif
|
||
|
#endif
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
}
|
||
|
return (jweak)weakref;
|
||
|
}
|
||
|
|
||
|
STATIC void JNICALL
|
||
|
jcgo_JniDeleteWeakGlobalRef( JNIEnv *pJniEnv, jweak weakref )
|
||
|
{
|
||
|
#ifndef JCGO_FNLZDATA_OMITREFQUE
|
||
|
jObjectArr listEntry;
|
||
|
jObjectArr prevEntry;
|
||
|
struct jcgo_refexthidden_s *pexthidden;
|
||
|
if (JCGO_EXPECT_TRUE(weakref != NULL))
|
||
|
{
|
||
|
#ifndef JCGO_PARALLEL
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
#endif
|
||
|
prevEntry = jnull;
|
||
|
pexthidden = NULL;
|
||
|
JCGO_CRITMOD_BEGIN(jcgo_jniWeakRefsMutex)
|
||
|
listEntry = jcgo_globData.jniWeakRefsList;
|
||
|
while (listEntry != jnull)
|
||
|
{
|
||
|
pexthidden =
|
||
|
(struct jcgo_refexthidden_s *)JCGO_ARR_INTERNALACC(jObject, listEntry, 0);
|
||
|
if (JCGO_EXPECT_TRUE(pexthidden != NULL) &&
|
||
|
JCGO_EXPECT_FALSE((jweak)(&pexthidden->hidden.obj) == weakref))
|
||
|
break;
|
||
|
prevEntry = listEntry;
|
||
|
listEntry = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, listEntry, 1);
|
||
|
}
|
||
|
if (JCGO_EXPECT_TRUE(listEntry != jnull))
|
||
|
{
|
||
|
if (JCGO_EXPECT_TRUE(prevEntry != jnull))
|
||
|
JCGO_ARR_INTERNALACC(jObject, prevEntry, 1) =
|
||
|
JCGO_ARR_INTERNALACC(jObject, listEntry, 1);
|
||
|
else jcgo_globData.jniWeakRefsList =
|
||
|
(jObjectArr)JCGO_ARR_INTERNALACC(jObject, listEntry, 1);
|
||
|
}
|
||
|
JCGO_CRITMOD_END(jcgo_jniWeakRefsMutex)
|
||
|
if (JCGO_EXPECT_TRUE(listEntry != jnull))
|
||
|
pexthidden->hidden.obj = jnull;
|
||
|
else JCGO_FATAL_ABORT("Invalid JNI weak global reference!");
|
||
|
#ifndef JCGO_PARALLEL
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
#endif
|
||
|
}
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
STATIC jobjectRefType JNICALL
|
||
|
jcgo_JniGetObjectRefType( JNIEnv *pJniEnv, jobject obj )
|
||
|
{
|
||
|
jObjectArr localObjs;
|
||
|
jObjectArr listEntry;
|
||
|
#ifndef JCGO_FNLZDATA_OMITREFQUE
|
||
|
struct jcgo_refexthidden_s *pexthidden;
|
||
|
#endif
|
||
|
ptrdiff_t index;
|
||
|
#ifdef JCGO_PARALLEL
|
||
|
jobjectRefType reftype;
|
||
|
#else
|
||
|
jobjectRefType JCGO_TRY_VOLATILE reftype;
|
||
|
#endif
|
||
|
reftype = JNIInvalidRefType;
|
||
|
if (JCGO_EXPECT_TRUE(obj != NULL))
|
||
|
{
|
||
|
localObjs = JCGO_JNI_GETTCB(pJniEnv)->localObjs;
|
||
|
while (localObjs != jnull)
|
||
|
{
|
||
|
index = (jObject *)obj - &JCGO_ARR_INTERNALACC(jObject, localObjs, 0);
|
||
|
if (index >= 2 && JCGO_ARRAY_NZLENGTH(localObjs) > index &&
|
||
|
JCGO_EXPECT_TRUE((unsigned)(
|
||
|
(char *)obj - (char *)&JCGO_ARR_INTERNALACC(jObject,
|
||
|
localObjs, 0)) % sizeof(jObject) == 0))
|
||
|
return JNILocalRefType;
|
||
|
listEntry = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, localObjs, 0);
|
||
|
if ((jobject)&JCGO_ARR_INTERNALACC(jObject, localObjs, 1) == obj)
|
||
|
return JCGO_EXPECT_TRUE((jObjectArr)JCGO_ARR_INTERNALACC(jObject,
|
||
|
localObjs, 1) != listEntry) ? JNILocalRefType : JNIInvalidRefType;
|
||
|
localObjs = listEntry;
|
||
|
}
|
||
|
#ifndef JCGO_PARALLEL
|
||
|
JCGO_NATCBACK_BEGIN(pJniEnv)
|
||
|
#endif
|
||
|
#ifndef JCGO_FNLZDATA_OMITREFQUE
|
||
|
JCGO_CRITMOD_BEGIN(jcgo_jniWeakRefsMutex)
|
||
|
listEntry = jcgo_globData.jniWeakRefsList;
|
||
|
while (listEntry != jnull)
|
||
|
{
|
||
|
pexthidden =
|
||
|
(struct jcgo_refexthidden_s *)JCGO_ARR_INTERNALACC(jObject, listEntry, 0);
|
||
|
if (JCGO_EXPECT_TRUE(pexthidden != NULL) &&
|
||
|
JCGO_EXPECT_FALSE((jobject)(&pexthidden->hidden.obj) == obj))
|
||
|
break;
|
||
|
listEntry = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, listEntry, 1);
|
||
|
}
|
||
|
JCGO_CRITMOD_END(jcgo_jniWeakRefsMutex)
|
||
|
if (JCGO_EXPECT_FALSE(listEntry != jnull))
|
||
|
reftype = JNIWeakGlobalRefType;
|
||
|
else
|
||
|
#endif
|
||
|
{
|
||
|
JCGO_CRITMOD_BEGIN(jcgo_jniGlobalRefsMutex)
|
||
|
listEntry = jcgo_globData.jniGlobalRefsQue;
|
||
|
while (listEntry != jnull)
|
||
|
{
|
||
|
if (JCGO_EXPECT_FALSE((jobject)&JCGO_ARR_INTERNALACC(jObject,
|
||
|
listEntry, 2) == obj))
|
||
|
break;
|
||
|
listEntry = (jObjectArr)JCGO_ARR_INTERNALACC(jObject, listEntry, 0);
|
||
|
}
|
||
|
JCGO_CRITMOD_END(jcgo_jniGlobalRefsMutex)
|
||
|
if (JCGO_EXPECT_TRUE(listEntry != jnull))
|
||
|
reftype = JNIGlobalRefType;
|
||
|
}
|
||
|
#ifndef JCGO_PARALLEL
|
||
|
JCGO_NATCBACK_END(pJniEnv)
|
||
|
#endif
|
||
|
}
|
||
|
return reftype;
|
||
|
}
|
||
|
|
||
|
STATIC jboolean JNICALL
|
||
|
jcgo_JniExceptionCheck( JNIEnv *pJniEnv )
|
||
|
{
|
||
|
#ifdef JCGO_THREADS
|
||
|
if (JCGO_JNI_GETTCB(pJniEnv)->stopExc != jnull)
|
||
|
return (jboolean)JNI_TRUE;
|
||
|
#endif
|
||
|
return (jboolean)(JCGO_JNI_GETTCB(pJniEnv)->nativeExc != jnull ? JNI_TRUE :
|
||
|
JNI_FALSE);
|
||
|
}
|
||
|
|
||
|
#endif
|