libsidplayfp 1.0.3
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00001 /* reloc65 -- A part of xa65 - 65xx/65816 cross-assembler and utility suite 00002 * o65 file relocator 00003 * 00004 * Copyright (C) 1989-1997 André Fachat (a.fachat@physik.tu-chemnitz.de) 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00019 */ 00020 00021 /* 00022 Modified by Dag Lem <resid@nimrod.no> 00023 Relocate and extract text segment from memory buffer instead of file. 00024 For use with VICE VSID. 00025 00026 Ported to c++ by Leandro Nini 00027 */ 00028 00029 #ifndef RELOC65_H 00030 #define RELOC65_H 00031 00032 class reloc65 00033 { 00034 public: 00035 typedef enum 00036 { 00037 WHOLE, 00038 TEXT, 00039 DATA, 00040 BSS, 00041 ZEROPAGE 00042 } segment_t; 00043 00044 private: 00045 bool m_tflag, m_dflag, m_bflag, m_zflag; 00046 int m_tbase, m_dbase, m_bbase, m_zbase; 00047 int m_tdiff, m_ddiff, m_bdiff, m_zdiff; 00048 00049 segment_t m_extract; 00050 00051 private: 00052 static int read_options(unsigned char *buf); 00053 static int read_undef(unsigned char *buf); 00054 00055 int reldiff(unsigned char s); 00056 unsigned char *reloc_seg(unsigned char *buf, int len, unsigned char *rtab); 00057 unsigned char *reloc_globals(unsigned char *buf); 00058 00059 public: 00060 reloc65(); 00061 00068 void setReloc(segment_t type, int addr); 00069 00075 void setExtract(segment_t type); 00076 00083 bool reloc(unsigned char **buf, int *fsize); 00084 }; 00085 00086 #endif