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158 lines
5.2 KiB
158 lines
5.2 KiB
/********************************************************************** |
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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 <gnutt@nuttx.org> |
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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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