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   ..

   vm.c

   vm.h

   vm-a.h

   vmload.c

   vmload.h

   vmmanage.c

   vmres.c

   vmres.h

   vmrun.c

   vmrun.h

   vmrun-a.c

   vmtype.c

   vmtype.h

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source\src\vm\vmmanage.c
  1 /******************************************************************************
  2 *
  3 * Copyright (C) 2006, The Gentee Group. All rights reserved. 
  4 * This file is part of the Gentee open source project - http://www.gentee.com. 
  5 * 
  6 * THIS FILE IS PROVIDED UNDER THE TERMS OF THE GENTEE LICENSE ("AGREEMENT"). 
  7 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS FILE CONSTITUTES RECIPIENTS 
  8 * ACCEPTANCE OF THE AGREEMENT.
  9 *
 10 * ID: vmmanage 26.12.06 0.0.A.
 11 *
 12 * Author: Alexey Krivonogov ( gentee )
 13 *
 14 * Summary: 
 15 * 
 16 ******************************************************************************/
 17 
 18 #include "vmmanage.h"
 19 //#include "../bytecode/bytecode.h"
 20 
 21 /*-----------------------------------------------------------------------------
 22 *
 23 * ID: vmmng_new 26.12.06 0.0.A.
 24 * 
 25 * Summary: Create a new vmmanager
 26 *
 27 -----------------------------------------------------------------------------*/
 28 
 29 pvmmanager STDCALL vmmng_new( void )
 30 {
 31    pvmmanager  pmng = mem_allocz( sizeof( vmmanager ));
 32 
 33    pmng->next = _pvm->pmng;
 34    _pvm->pmng = pmng;
 35    pmng->ptr = mem_alloc( 0x100000 );
 36    pmng->top = pmng->ptr;
 37    pmng->end = ( pubyte )pmng->ptr + 0xFFF00;
 38 
 39    return pmng;
 40 }
 41 
 42 /*-----------------------------------------------------------------------------
 43 *
 44 * ID: vmmng_destroy 26.12.06 0.0.A.
 45 * 
 46 * Summary: Destroy all vm managers
 47 *
 48 -----------------------------------------------------------------------------*/
 49 
 50 void STDCALL vmmng_destroy( void )
 51 {
 52    pvmmanager pmng;
 53 
 54    while ( _pvm->pmng )
 55    {
 56       pmng = _pvm->pmng;
 57 
 58       mem_free( pmng->ptr );
 59       _pvm->pmng = pmng->next;
 60       mem_free( pmng );
 61    }
 62 }
 63 
 64 /*-----------------------------------------------------------------------------
 65 *
 66 * ID: vmmng_begin 26.12.06 0.0.A.
 67 * 
 68 * Summary: Get a pointer for object
 69 *
 70 -----------------------------------------------------------------------------*/
 71 
 72 pubyte STDCALL vmmng_begin( uint size )
 73 {
 74    pvmmanager  pmng = _pvm->pmng;
 75 
 76    if ( ( pmng->top + 2 * size ) > pmng->end )
 77    {
 78       pmng = vmmng_new();
 79       if ( size + 0xFFFF > 0x100000 )
 80       {
 81          mem_free( pmng->ptr );
 82          pmng->ptr = mem_alloc( size + 0xFFFF );
 83          pmng->top = pmng->ptr;
 84          pmng->end = ( pubyte )pmng->ptr + size + 0xFF00;
 85       }
 86    }
 87    return pmng->top;
 88 }
 89 
 90 /*-----------------------------------------------------------------------------
 91 *
 92 * ID: vmmng_end 26.12.06 0.0.A.
 93 * 
 94 * Summary: The end of the object
 95 *
 96 -----------------------------------------------------------------------------*/
 97 
 98 uint STDCALL vmmng_end( pubyte end )
 99 {
100    uint  ret = end - _pvm->pmng->top;
101 
102    (( pvmobj )_pvm->pmng->top)->size = ret;
103 
104    _pvm->pmng->top = end;
105    return ret;
106 }
107 
108 //-----------------------------------------------------------------------------
109 
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