forked from Archive/PX4-Autopilot
159 lines
5.2 KiB
C
159 lines
5.2 KiB
C
/**********************************************************************
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* pdbginfo.c
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* Manage debug information
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*
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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**********************************************************************/
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/**********************************************************************
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* Included Files
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**********************************************************************/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "keywords.h" /* Standard types */
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#include "pedefs.h" /* error code definitions */
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#include "perr.h" /* error() */
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#include "pofflib.h" /* POFF library interface */
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/**********************************************************************
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* Pre-processor Definitions
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**********************************************************************/
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/**********************************************************************
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* Global Variables
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**********************************************************************/
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/**********************************************************************
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* Private Variables
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**********************************************************************/
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static poffLibDebugFuncInfo_t *g_pDebugInfoHead = NULL;
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static poffLibDebugFuncInfo_t *g_pDebugInfoTail = NULL;
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/***********************************************************************
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* Private Function Prototypes
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***********************************************************************/
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/***********************************************************************
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* Private Functions
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***********************************************************************/
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/***********************************************************************
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* Public Functions
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***********************************************************************/
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void poffReadDebugFuncInfoTable(poffHandle_t handle)
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{
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poffLibDebugFuncInfo_t *pDebugInfo;
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/* Read all function debug information into a link list */
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while ((pDebugInfo = poffGetDebugFuncInfo(handle)) != NULL)
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{
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if (!g_pDebugInfoHead)
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{
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g_pDebugInfoHead = pDebugInfo;
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}
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else
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{
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g_pDebugInfoTail->next = pDebugInfo;
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}
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g_pDebugInfoTail = pDebugInfo;
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}
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}
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/***********************************************************************/
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poffLibDebugFuncInfo_t *poffFindDebugFuncInfo(uint32_t offset)
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{
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poffLibDebugFuncInfo_t *pDebugInfo;
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/* Search the list for an entry with PC==offset */
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for (pDebugInfo = g_pDebugInfoHead; pDebugInfo;
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pDebugInfo = pDebugInfo->next)
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{
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if (pDebugInfo->value == offset)
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{
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return pDebugInfo;
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}
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}
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return NULL;
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}
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/***********************************************************************/
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void poffReplaceDebugFuncInfo(poffHandle_t handle)
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{
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poffLibDebugFuncInfo_t *pDebugInfo;
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/* Discard any existing debug info in the POFF object */
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poffDiscardDebugFuncInfo(handle);
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/* Then add all of the buffered debug info into the object */
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for (pDebugInfo = g_pDebugInfoHead; pDebugInfo;
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pDebugInfo = pDebugInfo->next)
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{
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(void)poffAddDebugFuncInfo(handle, pDebugInfo);
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}
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}
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/***********************************************************************/
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void poffReleaseDebugFuncInfoTable(void)
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{
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poffLibDebugFuncInfo_t *pDebugInfo;
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poffLibDebugFuncInfo_t *pNextDebugInfo;
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/* Release the bufferred debug information */
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pDebugInfo = g_pDebugInfoHead;
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while (pDebugInfo)
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{
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pNextDebugInfo = pDebugInfo->next;
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poffReleaseDebugFuncContainer(pDebugInfo);
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pDebugInfo = pNextDebugInfo;
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}
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g_pDebugInfoHead = NULL;
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g_pDebugInfoTail = NULL;
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}
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/***********************************************************************/
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