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/**********************************************************************
* pdbginfo.c
* Manage debug information
*
* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 "keywords.h" /* Standard types */
#include "pedefs.h" /* error code definitions */
#include "perr.h" /* error() */
#include "pofflib.h" /* POFF library interface */
/**********************************************************************
* Pre-processor Definitions
**********************************************************************/
/**********************************************************************
* Global Variables
**********************************************************************/
/**********************************************************************
* Private Variables
**********************************************************************/
static poffLibDebugFuncInfo_t *g_pDebugInfoHead = NULL;
static poffLibDebugFuncInfo_t *g_pDebugInfoTail = NULL;
/***********************************************************************
* Private Function Prototypes
***********************************************************************/
/***********************************************************************
* Private Functions
***********************************************************************/
/***********************************************************************
* Public Functions
***********************************************************************/
void poffReadDebugFuncInfoTable(poffHandle_t handle)
{
poffLibDebugFuncInfo_t *pDebugInfo;
/* Read all function debug information into a link list */
while ((pDebugInfo = poffGetDebugFuncInfo(handle)) != NULL)
{
if (!g_pDebugInfoHead)
{
g_pDebugInfoHead = pDebugInfo;
}
else
{
g_pDebugInfoTail->next = pDebugInfo;
}
g_pDebugInfoTail = pDebugInfo;
}
}
/***********************************************************************/
poffLibDebugFuncInfo_t *poffFindDebugFuncInfo(uint32_t offset)
{
poffLibDebugFuncInfo_t *pDebugInfo;
/* Search the list for an entry with PC==offset */
for (pDebugInfo = g_pDebugInfoHead; pDebugInfo;
pDebugInfo = pDebugInfo->next)
{
if (pDebugInfo->value == offset)
{
return pDebugInfo;
}
}
return NULL;
}
/***********************************************************************/
void poffReplaceDebugFuncInfo(poffHandle_t handle)
{
poffLibDebugFuncInfo_t *pDebugInfo;
/* Discard any existing debug info in the POFF object */
poffDiscardDebugFuncInfo(handle);
/* Then add all of the buffered debug info into the object */
for (pDebugInfo = g_pDebugInfoHead; pDebugInfo;
pDebugInfo = pDebugInfo->next)
{
(void)poffAddDebugFuncInfo(handle, pDebugInfo);
}
}
/***********************************************************************/
void poffReleaseDebugFuncInfoTable(void)
{
poffLibDebugFuncInfo_t *pDebugInfo;
poffLibDebugFuncInfo_t *pNextDebugInfo;
/* Release the bufferred debug information */
pDebugInfo = g_pDebugInfoHead;
while (pDebugInfo)
{
pNextDebugInfo = pDebugInfo->next;
poffReleaseDebugFuncContainer(pDebugInfo);
pDebugInfo = pNextDebugInfo;
}
g_pDebugInfoHead = NULL;
g_pDebugInfoTail = NULL;
}
/***********************************************************************/
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