diff options
Diffstat (limited to 'misc/pascal/libpoff/pfwrodata.c')
-rw-r--r-- | misc/pascal/libpoff/pfwrodata.c | 385 |
1 files changed, 193 insertions, 192 deletions
diff --git a/misc/pascal/libpoff/pfwrodata.c b/misc/pascal/libpoff/pfwrodata.c index 4833a32b5..882eb94d1 100644 --- a/misc/pascal/libpoff/pfwrodata.c +++ b/misc/pascal/libpoff/pfwrodata.c @@ -1,192 +1,193 @@ -/**********************************************************************
- * pfwrodata.c
- * Write to the RODATA section of a POFF file
- *
- * Copyright (C) 2008 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 <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 */
-
-/**********************************************************************
- * Definitions
- **********************************************************************/
-
-/**********************************************************************
- * Global Variables
- **********************************************************************/
-
-/**********************************************************************
- * Private Variables
- **********************************************************************/
-
-/***********************************************************************
- * Private Function Prototypes
- ***********************************************************************/
-
-/***********************************************************************
- * Private Functions
- ***********************************************************************/
-
-static uint16 poffCheckRoDataAlloc(poffInfo_t *poffInfo)
-{
- if (!poffInfo->roDataSectionData)
- {
- /* No, allocate it now */
-
- poffInfo->roDataSectionData = (ubyte*)malloc(INITIAL_RODATA_SECTION_SIZE);
- if (!poffInfo->roDataSectionData)
- {
- return eNOMEMORY;
- }
-
- poffInfo->roDataSection.sh_size = 0;
- poffInfo->roDataSectionAlloc = INITIAL_RODATA_SECTION_SIZE;
- }
- return eNOERROR;
-}
-
-static uint16 poffCheckRoDataRealloc(poffInfo_t *poffInfo, uint16 len)
-{
- /* Check if there is room for the new data */
-
- if (poffInfo->roDataSection.sh_size + len > poffInfo->roDataSectionAlloc)
- {
- uint32 newAlloc;
- void *tmp;
-
- /* Make certain that this is big enough (it should be) */
-
- newAlloc = poffInfo->roDataSectionAlloc + RODATA_SECTION_INCREMENT;
- while (poffInfo->roDataSection.sh_size + len > newAlloc)
- {
- newAlloc += RODATA_SECTION_INCREMENT;
- }
-
- /* Reallocate the roDataram data section buffer */
-
- tmp = realloc(poffInfo->roDataSectionData, newAlloc);
- if (!tmp)
- {
- return eNOMEMORY;
- }
-
- /* And set the new size */
-
- poffInfo->roDataSectionAlloc = newAlloc;
- poffInfo->roDataSectionData = (ubyte*)tmp;
- }
- return eNOERROR;
-}
-
-/***********************************************************************
- * Public Functions
- ***********************************************************************/
-
-#if 0 /* Not used */
-uint32 poffAddRoDataByte(poffHandle_t handle, ubyte dataByte)
-{
- poffInfo_t *poffInfo = (poffInfo_t*)handle;
- uint32 offset;
- uint16 errCode;
-
- /* Check if we have allocated a data section buffer yet */
-
- errCode = poffCheckRoDataAlloc(poffInfo);
- if (errCode != eNOERROR)
- {
- fatal(errCode);
- }
-
- /* Check if there is room for a new byte */
-
- errCode = poffCheckRoDataRealloc(poffInfo, 1);
-
- /* Copy data section byte into the data section buffer */
-
- offset = poffInfo->roDataSection.sh_size;
- poffInfo->roDataSectionData[offset] = dataByte;
-
- /* Set the new size of the string table */
-
- poffInfo->roDataSection.sh_size++;
- return offset;
-}
-#endif
-
-/***********************************************************************/
-
-uint32 poffAddRoDataString(poffHandle_t handle, const char *string)
-{
- poffInfo_t *poffInfo = (poffInfo_t*)handle;
- uint32 len;
- uint32 offset;
- uint16 errCode;
-
- /* Check if we have allocated a data section buffer yet */
-
- errCode = poffCheckRoDataAlloc(poffInfo);
- if (errCode != eNOERROR)
- {
- fatal(errCode);
- }
-
- /* Check if there is room for a new byte */
-
- len = strlen(string) + 1;
- errCode = poffCheckRoDataRealloc(poffInfo, len);
-
- /* Copy data section byte into the data section buffer */
-
- offset = poffInfo->roDataSection.sh_size;
- memcpy(&poffInfo->roDataSectionData[offset], string, len);
-
- /* Set the new size of the string table */
-
- poffInfo->roDataSection.sh_size += len;
- return offset;
-}
-
-/***********************************************************************/
+/********************************************************************** + * pfwrodata.c + * Write to the RODATA section of 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 */ + +/********************************************************************** + * Definitions + **********************************************************************/ + +/********************************************************************** + * Global Variables + **********************************************************************/ + +/********************************************************************** + * Private Variables + **********************************************************************/ + +/*********************************************************************** + * Private Function Prototypes + ***********************************************************************/ + +/*********************************************************************** + * Private Functions + ***********************************************************************/ + +static uint16_t poffCheckRoDataAlloc(poffInfo_t *poffInfo) +{ + if (!poffInfo->roDataSectionData) + { + /* No, allocate it now */ + + poffInfo->roDataSectionData = (uint8_t*)malloc(INITIAL_RODATA_SECTION_SIZE); + if (!poffInfo->roDataSectionData) + { + return eNOMEMORY; + } + + poffInfo->roDataSection.sh_size = 0; + poffInfo->roDataSectionAlloc = INITIAL_RODATA_SECTION_SIZE; + } + return eNOERROR; +} + +static uint16_t poffCheckRoDataRealloc(poffInfo_t *poffInfo, uint16_t len) +{ + /* Check if there is room for the new data */ + + if (poffInfo->roDataSection.sh_size + len > poffInfo->roDataSectionAlloc) + { + uint32_t newAlloc; + void *tmp; + + /* Make certain that this is big enough (it should be) */ + + newAlloc = poffInfo->roDataSectionAlloc + RODATA_SECTION_INCREMENT; + while (poffInfo->roDataSection.sh_size + len > newAlloc) + { + newAlloc += RODATA_SECTION_INCREMENT; + } + + /* Reallocate the roDataram data section buffer */ + + tmp = realloc(poffInfo->roDataSectionData, newAlloc); + if (!tmp) + { + return eNOMEMORY; + } + + /* And set the new size */ + + poffInfo->roDataSectionAlloc = newAlloc; + poffInfo->roDataSectionData = (uint8_t*)tmp; + } + return eNOERROR; +} + +/*********************************************************************** + * Public Functions + ***********************************************************************/ + +#if 0 /* Not used */ +uint32_t poffAddRoDataByte(poffHandle_t handle, uint8_t dataByte) +{ + poffInfo_t *poffInfo = (poffInfo_t*)handle; + uint32_t offset; + uint16_t errCode; + + /* Check if we have allocated a data section buffer yet */ + + errCode = poffCheckRoDataAlloc(poffInfo); + if (errCode != eNOERROR) + { + fatal(errCode); + } + + /* Check if there is room for a new byte */ + + errCode = poffCheckRoDataRealloc(poffInfo, 1); + + /* Copy data section byte into the data section buffer */ + + offset = poffInfo->roDataSection.sh_size; + poffInfo->roDataSectionData[offset] = dataByte; + + /* Set the new size of the string table */ + + poffInfo->roDataSection.sh_size++; + return offset; +} +#endif + +/***********************************************************************/ + +uint32_t poffAddRoDataString(poffHandle_t handle, const char *string) +{ + poffInfo_t *poffInfo = (poffInfo_t*)handle; + uint32_t len; + uint32_t offset; + uint16_t errCode; + + /* Check if we have allocated a data section buffer yet */ + + errCode = poffCheckRoDataAlloc(poffInfo); + if (errCode != eNOERROR) + { + fatal(errCode); + } + + /* Check if there is room for a new byte */ + + len = strlen(string) + 1; + errCode = poffCheckRoDataRealloc(poffInfo, len); + + /* Copy data section byte into the data section buffer */ + + offset = poffInfo->roDataSection.sh_size; + memcpy(&poffInfo->roDataSectionData[offset], string, len); + + /* Set the new size of the string table */ + + poffInfo->roDataSection.sh_size += len; + return offset; +} + +/***********************************************************************/ |