From eca8fc5427fae36404c8f3772f8ed4f2f36100ea Mon Sep 17 00:00:00 2001 From: patacongo Date: Fri, 4 Jan 2008 22:52:02 +0000 Subject: Pascal git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@485 42af7a65-404d-4744-a932-0658087f49c3 --- misc/pascal/libpoff/pfwrite.c | 477 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 477 insertions(+) create mode 100644 misc/pascal/libpoff/pfwrite.c (limited to 'misc/pascal/libpoff/pfwrite.c') diff --git a/misc/pascal/libpoff/pfwrite.c b/misc/pascal/libpoff/pfwrite.c new file mode 100644 index 000000000..75eac9497 --- /dev/null +++ b/misc/pascal/libpoff/pfwrite.c @@ -0,0 +1,477 @@ +/********************************************************************** + * pfwrite.c + * Write a POFF file + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 +#include +#include + +#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 + ***********************************************************************/ + +static uint16 poffCountSections(poffHandle_t handle); +static void poffWriteFileHeader(poffHandle_t handle, FILE *poffFile); +static void poffWriteSectionHeaders(poffHandle_t handle, FILE *poffFile); +static void poffWriteSectionData(poffHandle_t handle, FILE *poffFile); + +/*********************************************************************** + * Private Functions + ***********************************************************************/ + +static uint16 poffCountSections(poffHandle_t handle) +{ + poffInfo_t *poffInfo = (poffInfo_t*)handle; + uint16 nSections = 1; /* We always write the string table */ + + /* Count each other section that has stored data */ + + if (HAVE_PROGRAM_SECTION) + nSections++; + + if (HAVE_RODATA_SECTION) + nSections++; + + if (HAVE_SYMBOL_TABLE) + nSections++; + + if (HAVE_RELOC_SECTION) + nSections++; + + if (HAVE_FILE_TABLE) + nSections++; + + if (HAVE_LINE_NUMBER) + nSections++; + + if (HAVE_DEBUG_SECTION) + nSections++; + + return nSections; +} + +/***********************************************************************/ + +static void poffWriteFileHeader(poffHandle_t handle, FILE *poffFile) +{ + poffInfo_t *poffInfo = (poffInfo_t*)handle; + size_t entriesWritten; + + /* Get the number of section structures following the file header */ + + poffInfo->fileHeader.fh_shnum = poffCountSections(handle); + + /* Write the POFF file header */ + + entriesWritten = fwrite(&poffInfo->fileHeader, sizeof(poffFileHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write POFF header: %s\n", strerror(errno)); + fatal(ePOFFWRITEERROR); + } +} + +/***********************************************************************/ + +static void poffWriteSectionHeaders(poffHandle_t handle, FILE *poffFile) +{ + poffInfo_t *poffInfo = (poffInfo_t*)handle; + + /* The data starts immediately after the file header and the array + * of section headers. + */ + + uint32 dataOffset = poffInfo->fileHeader.fh_shoff + + poffInfo->fileHeader.fh_shnum * poffInfo->fileHeader.fh_shsize; + size_t entriesWritten; + + /* Write the program section header (if we have one) */ + + if (HAVE_PROGRAM_SECTION) + { + /* Add the name of the section to the string table */ + + poffInfo->progSection.sh_name = poffAddString(handle, ".text"); + poffInfo->progSection.sh_offset = dataOffset; + dataOffset += poffInfo->progSection.sh_size; + + /* Then write the section header to the output file */ + + entriesWritten = fwrite(&poffInfo->progSection, + sizeof(poffSectionHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write program section header: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the initialized read-only data section header (if we have one) */ + + if (HAVE_RODATA_SECTION) + { + /* Add the name of the section to the string table */ + + poffInfo->roDataSection.sh_name = poffAddString(handle, ".rodata"); + poffInfo->roDataSection.sh_offset = dataOffset; + dataOffset += poffInfo->roDataSection.sh_size; + + /* Then write the section header to the output file */ + + entriesWritten = fwrite(&poffInfo->roDataSection, + sizeof(poffSectionHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write data section header: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the symbol table section header (if we have one) */ + + if (HAVE_SYMBOL_TABLE) + { + /* Add the name of the section to the string table */ + + poffInfo->symbolTableSection.sh_name = poffAddString(handle, ".symtab"); + poffInfo->symbolTableSection.sh_offset = dataOffset; + dataOffset += poffInfo->symbolTableSection.sh_size; + + /* Then write the section header to the output file */ + + entriesWritten = fwrite(&poffInfo->symbolTableSection, + sizeof(poffSectionHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write symbol table section header: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the relocation table section header (if we have one) */ + + if (HAVE_RELOC_SECTION) + { + /* Add the name of the section to the string table */ + + poffInfo->relocSection.sh_name = poffAddString(handle, ".rel"); + poffInfo->relocSection.sh_offset = dataOffset; + dataOffset += poffInfo->relocSection.sh_size; + + /* Then write the section header to the output file */ + + entriesWritten = fwrite(&poffInfo->relocSection, + sizeof(poffSectionHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write relocation section header: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the file table section header (if we have one) */ + + if (HAVE_FILE_TABLE) + { + /* Add the name of the section to the string table */ + + poffInfo->fileNameTableSection.sh_name = poffAddString(handle, ".filetab"); + poffInfo->fileNameTableSection.sh_offset = dataOffset; + dataOffset += poffInfo->fileNameTableSection.sh_size; + + /* Then write the section header to the output file */ + + entriesWritten = fwrite(&poffInfo->fileNameTableSection, + sizeof(poffSectionHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write file table section header: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the line number section header (if we have one) */ + + if (HAVE_LINE_NUMBER) + { + /* Add the name of the section to the string table */ + + poffInfo->lineNumberSection.sh_name = poffAddString(handle, ".lineno"); + poffInfo->lineNumberSection.sh_offset = dataOffset; + dataOffset += poffInfo->lineNumberSection.sh_size; + + /* Then write the section header to the output file */ + + entriesWritten = fwrite(&poffInfo->lineNumberSection, + sizeof(poffSectionHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write line number section header: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the debug function info section header (if we have one) */ + + if (HAVE_DEBUG_SECTION) + { + /* Add the name of the section to the string table */ + + poffInfo->debugFuncSection.sh_name = poffAddString(handle, ".dbgfunc"); + poffInfo->debugFuncSection.sh_offset = dataOffset; + dataOffset += poffInfo->debugFuncSection.sh_size; + + /* Then write the section header to the output file */ + + entriesWritten = fwrite(&poffInfo->debugFuncSection, + sizeof(poffSectionHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write debug section header: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the string table section header LAST (because we may have + * added strings with the above logic. + */ + + /* Add the name of the section to the string table */ + + poffInfo->stringTableSection.sh_name = poffAddString(handle, ".strtab"); + poffInfo->stringTableSection.sh_offset = dataOffset; + dataOffset += poffInfo->stringTableSection.sh_size; + + /* Then write the section header to the output file */ + + entriesWritten = fwrite(&poffInfo->stringTableSection, + sizeof(poffSectionHeader_t), + 1, poffFile); + if (entriesWritten != 1) + { + errmsg("Failed to write string table section header: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } +} + +/***********************************************************************/ + +static void poffWriteSectionData(poffHandle_t handle, FILE *poffFile) +{ + poffInfo_t *poffInfo = (poffInfo_t*)handle; + size_t entriesWritten; + + /* Write the program section data (if we have one) */ + + if (HAVE_PROGRAM_SECTION) + { + if (!poffInfo->progSectionData) fatal(ePOFFCONFUSION); + + entriesWritten = fwrite(poffInfo->progSectionData, sizeof(ubyte), + poffInfo->progSection.sh_size, poffFile); + if (entriesWritten != poffInfo->progSection.sh_size) + { + errmsg("Failed to write program data: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the read-only data section data (if we have one) */ + + if (HAVE_RODATA_SECTION) + { + if (!poffInfo->roDataSectionData) fatal(ePOFFCONFUSION); + + entriesWritten = fwrite(poffInfo->roDataSectionData, sizeof(ubyte), + poffInfo->roDataSection.sh_size, poffFile); + if (entriesWritten != poffInfo->roDataSection.sh_size) + { + errmsg("Failed to write initialized data: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the symbol table section data (if we have one) */ + + if (HAVE_SYMBOL_TABLE) + { + if (!poffInfo->symbolTable) fatal(ePOFFCONFUSION); + + entriesWritten = fwrite(poffInfo->symbolTable, sizeof(ubyte), + poffInfo->symbolTableSection.sh_size, poffFile); + if (entriesWritten != poffInfo->symbolTableSection.sh_size) + { + errmsg("Failed to write symbol table data: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the relocation table section data (if we have one) */ + + if (HAVE_RELOC_SECTION) + { + if (!poffInfo->relocTable) fatal(ePOFFCONFUSION); + + entriesWritten = fwrite(poffInfo->relocTable, sizeof(ubyte), + poffInfo->relocSection.sh_size, poffFile); + if (entriesWritten != poffInfo->relocSection.sh_size) + { + errmsg("Failed to write relocation data: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the file table section data (if we have one) */ + + if (HAVE_FILE_TABLE) + { + if (!poffInfo->fileNameTable) fatal(ePOFFCONFUSION); + + entriesWritten = fwrite(poffInfo->fileNameTable, sizeof(ubyte), + poffInfo->fileNameTableSection.sh_size, + poffFile); + if (entriesWritten != poffInfo->fileNameTableSection.sh_size) + { + errmsg("Failed to write filename table data: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the line number section data (if we have one) */ + + if (HAVE_LINE_NUMBER) + { + if (!poffInfo->lineNumberTable) fatal(ePOFFCONFUSION); + + entriesWritten = fwrite(poffInfo->lineNumberTable, sizeof(ubyte), + poffInfo->lineNumberSection.sh_size, + poffFile); + if (entriesWritten != poffInfo->lineNumberSection.sh_size) + { + errmsg("Failed to write line number table data: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the line number section data (if we have one) */ + + if (HAVE_DEBUG_SECTION) + { + if (!poffInfo->debugFuncTable) fatal(ePOFFCONFUSION); + + entriesWritten = fwrite(poffInfo->debugFuncTable, sizeof(ubyte), + poffInfo->debugFuncSection.sh_size, + poffFile); + if (entriesWritten != poffInfo->debugFuncSection.sh_size) + { + errmsg("Failed to write debug table data: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } + } + + /* Write the string table section data LAST (because we may have + * added strings with the above logic. + */ + + if (!poffInfo->stringTable) fatal(ePOFFCONFUSION); + + entriesWritten = fwrite(poffInfo->stringTable, sizeof(ubyte), + poffInfo->stringTableSection.sh_size, poffFile); + if (entriesWritten != poffInfo->stringTableSection.sh_size) + { + errmsg("Failed to write string table data: %s\n", + strerror(errno)); + fatal(ePOFFWRITEERROR); + } +} + +/*********************************************************************** + * Public Functions + ***********************************************************************/ + +void poffWriteFile(poffHandle_t handle, FILE *poffFile) +{ + poffWriteFileHeader(handle, poffFile); + poffWriteSectionHeaders(handle, poffFile); + poffWriteSectionData(handle, poffFile); +} + +/***********************************************************************/ -- cgit v1.2.3