// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).// All rights reserved.// This component and the accompanying materials are made available// under the terms of "Eclipse Public License v1.0"// which accompanies this distribution, and is available// at the URL "http://www.eclipse.org/legal/epl-v10.html".//// Initial Contributors:// Nokia Corporation - initial contribution.//// Contributors://// Description:// Add a simple coff header to a binary file// optionally strip off the first 256 bytes// This is primarily for generating an image// file that can be downloaded via the ether// to cogent using the SmartFirmWare boot rom// //#include <sys/stat.h>#include <fcntl.h>#include <io.h>#include <stdio.h>#include <string.h>#include <stdlib.h>// little error functionetvoid error(const char* p){ fprintf(stderr, "%s\n", p); exit(1);}// little usage functionetvoid usage(const char* p){ fprintf(stderr, "%s\n", p); exit(EXIT_FAILURE);}int main(int argc, char* argv[]){ // check for usage if (argc < 3 || argc > 4) { usage("Usage: bin2coff infile outfile nostrip\nOption nostrip: don't strip off the first 256 bytes"); } // make sure we are not operating on only one file if (!strcmp(argv[1], argv[2])) { usage("Usage: bin2coff must specify different input and output files"); } // try to open the input file FILE *pInFile; if((pInFile = fopen(argv[1], "rb" )) == NULL) { error("Cannot open input file"); } // open output file FILE *pOutFile; if((pOutFile = fopen(argv[2], "wb") ) == NULL) { error("Cannot open output file"); } // strip the 256 long header? // ok, so it's simple, so what bool stripheader = (argc == 3); // how big is the input file struct stat filelength; stat(argv[1], &filelength); unsigned long fsize = filelength.st_size; if (stripheader) { fsize -= 256; } // write out the coff header to the new file // somewhere to put a simple coff header unsigned char coffhead[0x58] = {0}; // zero all the elements // fill in the constant bits // this is supposed to be simple, remember coffhead[1] = 0x0a; coffhead[2] = 0x01; coffhead[0x10] = 0x1c; coffhead[0x12] = 0x0f; coffhead[0x13] = 0xa1; coffhead[0x14] = 0x0b; coffhead[0x15] = 0x01; coffhead[0x26] = 0x40; // entry point 0x00400000 coffhead[0x2a] = 0x40; coffhead[0x30] = 0x2e; coffhead[0x31] = 0x74; coffhead[0x32] = 0x65; coffhead[0x33] = 0x78; coffhead[0x34] = 0x74; coffhead[0x3a] = 0x40; coffhead[0x3e] = 0x40; coffhead[0x44] = 0x58; coffhead[0x54] = 0x20; // now fill in the text segment size *(int *) (&coffhead[0x18]) = fsize; *(int *) (&coffhead[0x40]) = fsize; // write out the new file // first the header int numwritten=0; numwritten = fwrite(coffhead, sizeof(char), 0x58, pOutFile); if (numwritten < 0x58) { error("The number of items written is less than 0x58"); } // now the rest of the file if (stripheader) { fpos_t filePositionIndicator = 0x100; if (fsetpos(pInFile, &filePositionIndicator) !=0) { error("The file is not accessible "); } } static const int buffsize = 1024; unsigned char fbuff[buffsize]; while (!feof(pInFile)) { int nread = fread(fbuff,sizeof(unsigned char), sizeof(fbuff), pInFile); int nwritten = fwrite(fbuff, sizeof(unsigned char), nread, pOutFile); if (nwritten < nread) { error("The number of items written is less than number of items read"); } } fclose(pOutFile); fclose(pInFile); return 0;}