forked from Archive/PX4-Autopilot
191 lines
7.1 KiB
C
191 lines
7.1 KiB
C
/***************************************************************************
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* pfprivate.h
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* Contains command, internal, private definitions used by
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* the POFF library. These were not intended for exportation.
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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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#ifndef __PFPRIVATE_H
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#define __PFPRIVATE_H
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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 "keywords.h"
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#include "poff.h"
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#include "paslib.h" /* Endian-ness support */
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/***************************************************************************
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* Pre-processor Definitions
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***************************************************************************/
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#define INITIAL_STRING_TABLE_SIZE 4096
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#define STRING_TABLE_INCREMENT 1024
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#define INITIAL_SYMBOL_TABLE_SIZE 256*sizeof(poffSymbol_t)
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#define SYMBOL_TABLE_INCREMENT 64*sizeof(poffSymbol_t)
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#define INITIAL_FILENAME_TABLE_SIZE 64*sizeof(poffFileTab_t)
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#define FILENAME_TABLE_INCREMENT 64*sizeof(poffFileTab_t)
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#define INITIAL_RELOC_TABLE_SIZE 128*sizeof(poffRelocation_t)
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#define RELOC_TABLE_INCREMENT 64*sizeof(poffRelocation_t)
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#define INITIAL_LINENUMBER_TABLE_SIZE 2048*sizeof(poffLineNumber_t)
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#define LINENUMBER_TABLE_INCREMENT 512*sizeof(poffLineNumber_t)
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#define INITIAL_DEBUGFUNC_TABLE_SIZE 128*sizeof(poffDebugFuncInfo_t)
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#define DEBUGFUNC_TABLE_INCREMENT 64*sizeof(poffDebugFuncInfo_t)
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#define INITIAL_PROG_SECTION_SIZE 8096
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#define PROG_SECTION_INCREMENT 2048
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#define INITIAL_RODATA_SECTION_SIZE 4096
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#define RODATA_SECTION_INCREMENT 1024
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#define HAVE_PROGRAM_SECTION (poffInfo->progSection.sh_size > 0)
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#define HAVE_RODATA_SECTION (poffInfo->roDataSection.sh_size > 0)
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#define HAVE_SYMBOL_TABLE (poffInfo->symbolTableSection.sh_size > 0)
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#define HAVE_STRING_TABLE (poffInfo->stringTableSection.sh_size > 0)
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#define HAVE_RELOC_SECTION (poffInfo->relocSection.sh_size > 0)
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#define HAVE_FILE_TABLE (poffInfo->fileNameTableSection.sh_size > 0)
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#define HAVE_LINE_NUMBER (poffInfo->lineNumberSection.sh_size > 0)
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#define HAVE_DEBUG_SECTION (poffInfo->debugFuncSection.sh_size > 0)
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#ifndef CONFIG_POFF_SWAPNEEDED
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# define poffSwapFileHeader(p)
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# define poffSwapSectionHeader(p)
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# define poffSwapSymbolTableData(p)
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# define poffSwapRelocationData(p)
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# define poffSwapFileTableData(p)
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# define poffSwapLineNumberData(p)
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# define poffSwapDebugData(p)
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#endif
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/***************************************************************************
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* Public Types
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***************************************************************************/
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struct poffInfo_s
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{
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/* POFF file header */
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poffFileHeader_t fileHeader;
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/* Section headers: */
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poffSectionHeader_t progSection;
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poffSectionHeader_t roDataSection;
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poffSectionHeader_t symbolTableSection;
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poffSectionHeader_t stringTableSection;
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poffSectionHeader_t relocSection;
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poffSectionHeader_t fileNameTableSection;
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poffSectionHeader_t lineNumberSection;
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poffSectionHeader_t debugFuncSection;
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/* In-memory section data */
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uint8_t *progSectionData;
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uint8_t *roDataSectionData;
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uint8_t *symbolTable;
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char *stringTable;
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uint8_t *relocTable;
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poffFileTab_t *fileNameTable;
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uint8_t *lineNumberTable;
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uint8_t *debugFuncTable;
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/* Current allocation sizes. Used only on writing to determine if
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* in-memory has been allocated and how much memory has been allocated
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* in case the buffer needs to be re-allocated.
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*/
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uint32_t progSectionAlloc;
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uint32_t roDataSectionAlloc;
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uint32_t symbolTableAlloc;
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uint32_t stringTableAlloc;
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uint32_t relocAlloc;
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uint32_t fileNameTableAlloc;
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uint32_t lineNumberTableAlloc;
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uint32_t debugFuncTableAlloc;
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/* Current buffer indices. These are used on reading data sequentially
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* from the in-memory section data.
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*/
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uint32_t progSectionIndex;
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uint32_t symbolIndex;
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uint32_t relocIndex;
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uint32_t fileNameIndex;
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uint32_t lineNumberIndex;
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uint32_t debugFuncIndex;
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};
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typedef struct poffInfo_s poffInfo_t;
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struct poffProgInfo_s
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{
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uint32_t progSectionSize;
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uint32_t progSectionAlloc;
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uint8_t *progSectionData;
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};
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typedef struct poffProgInfo_s poffProgInfo_t;
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struct poffSymInfo_s
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{
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uint32_t symbolTableSize;
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uint32_t symbolTableAlloc;
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uint8_t *symbolTable;
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};
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typedef struct poffSymInfo_s poffSymInfo_t;
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/***************************************************************************
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* Public Variables
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***************************************************************************/
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/***************************************************************************
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* Public Function Prototypes
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***************************************************************************/
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#ifdef CONFIG_POFF_SWAPNEEDED
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extern void poffSwapFileHeader(poffFileHeader_t *pFileHeader);
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extern void poffSwapSectionHeader(poffSectionHeader_t *pSectionHeader);
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extern void poffSwapSymbolTableData(poffInfo_t *poffInfo);
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extern void poffSwapRelocationData(poffInfo_t *poffInfo);
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extern void poffSwapFileTableData(poffInfo_t *poffInfo);
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extern void poffSwapLineNumberData(poffInfo_t *poffInfo);
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extern void poffSwapDebugData(poffInfo_t *poffInfo);
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#endif
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#endif /* __PFPRIVATE_H */
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