jvm_mem.c

java 1.1 gemini 08_16

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2001
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *   jvm_mem.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *    This file implements general memory initializer/finalizer, allocator/deallocator API
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/

/*************************************************************************
* Include header files
*************************************************************************/
#include "jal.h"
#include "jvm_internal.h"

/*************************************************************************
* Global Definition
*************************************************************************/
static jvm_malloc_handler jvm_allocator;
static jvm_free_handler jvm_deallocator;

/*************************************************************************
* Function Definition
*************************************************************************/


/*****************************************************************************
 * FUNCTION
 *  jvm_mem_config
 * DESCRIPTION
 *  
 * PARAMETERS
 *  allocator       [IN]        
 *  deallocator     [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void jvm_mem_config(jvm_malloc_handler allocator, jvm_free_handler deallocator)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    jvm_allocator = allocator;
    jvm_deallocator = deallocator;
}


/*****************************************************************************
 * FUNCTION
 *  _jvm_malloc
 * DESCRIPTION
 *  
 * PARAMETERS
 *  size            [IN]        
 *  filename        [?]         
 *  lineno          [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void *_jvm_malloc(kal_int32 size, char *filename, kal_int32 lineno)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    ASSERT(jvm_allocator);
    return (*jvm_allocator) (size, filename, lineno);
}


/*****************************************************************************
 * FUNCTION
 *  _jvm_free
 * DESCRIPTION
 *  
 * PARAMETERS
 *  ptr             [?]         
 *  filename        [?]         
 *  lineno          [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void _jvm_free(void *ptr, char *filename, kal_int32 lineno)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    ASSERT(jvm_deallocator);
    (*jvm_deallocator) (ptr, filename, lineno);
}