oslmemory.c

MTK手机平台的MMI部分的源代码

/*****************************************************************************
*  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) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
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*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
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*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
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*****************************************************************************/

/*******************************************************************************
 * Filename:
 * ---------
 *  OslMemory.c
 *
 * Project:
 * --------
 *  MAUI
 *
 * Description:
 * ------------
 *  
 *
 * Author:
 * -------
 *  
 *
 *==============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *------------------------------------------------------------------------------
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *==============================================================================
 *******************************************************************************/

/**
 * Copyright Notice
 * ?2002 - 2003, Pixtel Communications, Inc., 1489 43rd Ave. W.,
 * Vancouver, B.C. V6M 4K8 Canada. All Rights Reserved.
 *  (It is illegal to remove this copyright notice from this software or any
 *  portion of it)
 */

/**************************************************************

   FILENAME : OslMemory.c

   PURPOSE     : Memory Wrapper

   REMARKS     : nil

   AUTHOR      : Neeraj Sharma, Amit Kumar

   DATE     : Jan' 21, 2003

**************************************************************/

/*  Include: MMI header file */
#include    "oslmemory.h"
#include    "DateTimeType.h"
#include    "DateTimeGprot.h"
#include    "PixtelDataTypes.h"
#include    "StdC.h"
#include    "DebugInitDef.h"


#ifdef OSL_MEMORY_DUMP  /* if OSL_MEMORY_DUMP is not enabled then don't compile */
#define BUFFER_POOLS 16
#define MEMORY_LIST_LENGTH 50

/*--------------------------------------------------------------------
Data Structure Declerations
-----------------------------------------------------------------------*/

typedef struct oslmemalloc
{   /* info */
    S8 fileName[20];
    S32 lineNumber;
    S32 bytes;
    void *ptr;
    U8 isAllocated;
} OSLMEMALLOC;

S32 goslMemCount = 0;   /* Total Allocated heap mem */
S32 MAX_BUFF = 0;
S32 MaxDynamicMemUsed = 0;

static OSLMEMALLOC memoryList[MEMORY_LIST_LENGTH];
static U16 bufferCount[BUFFER_POOLS];
static U8 memoryListCount = 0;
static U8 MallocFirstTime = 1;

/*--------------------------------------------------------------------
Function Declerations
-----------------------------------------------------------------------*/

void *OslMallocCHK(long nob, char *fileName, int lineNumber, ...);
void OslMfreeCHK(void *frp);
void OslIntMemoryStart();
void OslIntDumpDataInFile(void);
long OslIntMemCounter(void);

/*-------------------------------------------------------------------
Function Name  :  ByteCounter
Description    :  This inline function keeps track of heap memory 
               allocations in bytes
Input       :  Pointer
               Flag : 1 to add no. of bytes
                    -1 to delete no. of bytes
Output         :  None
--------------------------------------------------------------------*/


/*****************************************************************************
 * FUNCTION
 *  ByteCounter
 * DESCRIPTION
 *  
 * PARAMETERS
 *  ptr         [?]         
 *  flag        [IN]        
 *  size        [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void ByteCounter(void *ptr, int flag, int size) /* -1 free, +1 alloc */
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    goslMemCount += (long)(size * flag);
    if (MaxDynamicMemUsed < goslMemCount)
    {
        MaxDynamicMemUsed = goslMemCount;
    }
    return;
}

/*-------------------------------------------------------------------
Function Name  :  OslMallocCHK 
Description    :  This function allocates memory and maintain the
               link list info of file name and line number
Input       :  no of bytes
               file name
               line number
Output         :  void pointer               
-------------------------------------------------------------------*/


/*****************************************************************************
 * FUNCTION
 *  OslMallocCHK
 * DESCRIPTION
 *  
 * PARAMETERS
 *  nob             [IN]        
 *  fileName        [?]         
 *  lineNumber      [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void *OslMallocCHK(S32 nob, char *fileName, int lineNumber, ...)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    void *ptr = NULL;
    U8 j, i;
    S32 nob1;   /* =nob; */
    void *ptrAct;
    U16 maskingByte;
    OSLMEMALLOC *memData;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (MallocFirstTime)
    {
        OslIntMemoryStart();
        MallocFirstTime = 0;
    }
    if (!nob)
    {
        return NULL;
    }
    if (nob < 8)
    {
        nob = 8;
    }
    nob1 = nob;
    maskingByte = 1;
    i = 0;
    for (j = 0; j < 16; j++)
    {
        if (nob1 & maskingByte)
        {
            i++;
        }

        if (!(nob1 & 0xfffe))
        {
            break;
        }
        nob1 >>= 1;
    }

    if (i > 1)
    {
        nob1 = 1;
        nob1 <<= ++j;
    }
    else
    {
        nob1 = nob;
    }

    bufferCount[j - 3]++;

#ifdef MMI_ON_WIN32
    ptrAct = (void*)malloc(nob1);
#else 
    ptrAct = (void*)get_ctrl_buffer(nob1);
#endif 

    if (memoryListCount < MEMORY_LIST_LENGTH)
    {
        for (j = 0; memoryList[j].isAllocated; j++);
        memData = &memoryList[j];
        memoryListCount++;
        for (j = strlen(fileName); j > 1; j--)
        {
            if (fileName[j - 1] == '\\')
            {