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/**********************************************************************
* pfrdbgfunc.c
* Read debug function information from a POFF file
*
* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
**********************************************************************/
/**********************************************************************
* Included Files
**********************************************************************/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "keywords.h" /* Standard types */
#include "pedefs.h" /* error code definitions */
#include "perr.h" /* error() */
#include "pofflib.h" /* POFF library interface */
#include "pfprivate.h" /* POFF private definitions */
/**********************************************************************
* Pre-processor Definitions
**********************************************************************/
/**********************************************************************
* Global Variables
**********************************************************************/
/**********************************************************************
* Private Variables
**********************************************************************/
/***********************************************************************
* Private Function Prototypes
***********************************************************************/
/***********************************************************************
* Private Functions
***********************************************************************/
/***********************************************************************
* Public Functions
***********************************************************************/
/***********************************************************************/
poffLibDebugFuncInfo_t *poffGetDebugFuncInfo(poffHandle_t handle)
{
poffInfo_t *poffInfo = (poffInfo_t*)handle;
poffDebugFuncInfo_t *pDebugInfo;
poffDebugArgInfo_t *pArgInfo;
poffLibDebugFuncInfo_t *pRet;
uint32_t debugFuncIndex;
int i;
/* Check if there is another debug entgry in the table to be had */
debugFuncIndex = poffInfo->debugFuncIndex;
if (debugFuncIndex + sizeof(poffDebugFuncInfo_t) >=
poffInfo->debugFuncSection.sh_size)
{
/* Return NULL to signal the end of the list */
return NULL;
}
/* Get a reference to the debug function entry */
pDebugInfo = (poffDebugFuncInfo_t*)&poffInfo->debugFuncTable[debugFuncIndex];
/* Allocate a container */
pRet = poffCreateDebugInfoContainer(pDebugInfo->df_nparms);
/* Return the debug function information */
pRet->value = pDebugInfo->df_value;
pRet->retsize = pDebugInfo->df_size;
pRet->nparms = pDebugInfo->df_nparms;
/* Return the size of each parameter */
debugFuncIndex += sizeof(poffDebugFuncInfo_t);
for (i = 0; i < pRet->nparms; i++)
{
pArgInfo = (poffDebugArgInfo_t*)&poffInfo->debugFuncTable[debugFuncIndex];
pRet->argsize[i] = pArgInfo->da_size;
debugFuncIndex += sizeof(poffDebugArgInfo_t);
}
/* Set up for the next read */
poffInfo->debugFuncIndex = debugFuncIndex;
return pRet;
}
/***********************************************************************/
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