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128 lines
4.6 KiB
128 lines
4.6 KiB
/********************************************************************** |
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* pfwprog.c |
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* Write program data to a POFF file |
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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 <string.h> |
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#include <errno.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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#include "pfprivate.h" /* POFF private definitions */ |
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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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/*********************************************************************** |
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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 poffAddProgByte(poffHandle_t handle, uint8_t progByte) |
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{ |
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poffInfo_t *poffInfo = (poffInfo_t*)handle; |
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/* Check if we have allocated a program section buffer yet */ |
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if (!poffInfo->progSectionData) |
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{ |
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/* No, allocate it now */ |
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poffInfo->progSectionData = (uint8_t*)malloc(INITIAL_PROG_SECTION_SIZE); |
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if (!poffInfo->progSectionData) |
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{ |
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fatal(eNOMEMORY); |
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} |
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poffInfo->progSection.sh_size = 0; |
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poffInfo->progSectionAlloc = INITIAL_STRING_TABLE_SIZE; |
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} |
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/* Check if there is room for the new string */ |
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if (poffInfo->progSection.sh_size + 1 > poffInfo->progSectionAlloc) |
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{ |
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uint32_t newAlloc = poffInfo->progSectionAlloc + PROG_SECTION_INCREMENT; |
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void *tmp; |
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/* Reallocate the program data section buffer */ |
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tmp = realloc(poffInfo->progSectionData, newAlloc); |
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if (!tmp) |
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{ |
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fatal(eNOMEMORY); |
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} |
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/* And set the new size */ |
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poffInfo->progSectionAlloc = newAlloc; |
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poffInfo->progSectionData = (uint8_t*)tmp; |
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} |
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/* Copy program data byte into the program data buffer */ |
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poffInfo->progSectionData[poffInfo->progSection.sh_size] = progByte; |
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/* Set the new size of the string table */ |
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poffInfo->progSection.sh_size++; |
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} |
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/***********************************************************************/
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