/* $OpenBSD: exec.c,v 1.1 1999/10/04 20:00:51 deraadt Exp $ */ /* * Copyright (c) 1999 Mats O Jansson. All rights reserved. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Mats O Jansson. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ #include <err.h> #include <sys/types.h> #include <stdio.h> #ifndef LINT static char rcsid[] = "$OpenBSD: exec.c,v 1.1 1999/10/04 20:00:51 deraadt Exp $"; #endif #ifdef AOUT_SUPPORT int aout_check __P((char *)); void aout_loadkernel __P((char *)); void aout_savekernel __P((char *)); caddr_t aout_adjust __P((caddr_t)); caddr_t aout_readjust __P((caddr_t)); #endif #ifdef ECOFF_SUPPORT int ecoff_check __P((char *)); void ecoff_loadkernel __P((char *)); void ecoff_savekernel __P((char *)); caddr_t ecoff_adjust __P((caddr_t)); caddr_t ecoff_readjust __P((caddr_t)); #endif #ifdef ELF_SUPPORT int elf_check __P((char *)); void elf_loadkernel __P((char *)); void elf_savekernel __P((char *)); caddr_t elf_adjust __P((caddr_t)); caddr_t elf_readjust __P((caddr_t)); #endif #define DO_AOUT 0 #define DO_ECOFF 1 #define DO_ELF 2 int current_exec = -1; caddr_t adjust(x) caddr_t x; { switch (current_exec) { #ifdef AOUT_SUPPORT case DO_AOUT: return(aout_adjust(x)); break; #endif #ifdef ECOFF_SUPPORT case DO_ECOFF: return(ecoff_adjust(x)); break; #endif #ifdef ELF_SUPPORT case DO_ELF: return(elf_adjust(x)); break; #endif default: errx(1, "no supported exec type"); } } caddr_t readjust(x) caddr_t x; { switch (current_exec) { #ifdef AOUT_SUPPORT case DO_AOUT: return(aout_readjust(x)); break; #endif #ifdef ECOFF_SUPPORT case DO_ECOFF: return(ecoff_readjust(x)); break; #endif #ifdef ELF_SUPPORT case DO_ELF: return(elf_readjust(x)); break; #endif default: errx(1, "no supported exec type"); } } void loadkernel(file) char *file; { current_exec = -1; #ifdef AOUT_SUPPORT if (aout_check(file)) { current_exec = DO_AOUT; } #endif #ifdef ECOFF_SUPPORT if (ecoff_check(file)) { current_exec = DO_ECOFF; } #endif #ifdef ELF_SUPPORT if (elf_check(file)) { current_exec = DO_ELF; } #endif switch (current_exec) { #ifdef AOUT_SUPPORT case DO_AOUT: aout_loadkernel(file); break; #endif #ifdef ECOFF_SUPPORT case DO_ECOFF: ecoff_loadkernel(file); break; #endif #ifdef ELF_SUPPORT case DO_ELF: elf_loadkernel(file); break; #endif default: errx(1, "no supported exec type"); } } void savekernel(outfile) char *outfile; { switch (current_exec) { #ifdef AOUT_SUPPORT case DO_AOUT: aout_savekernel(outfile); break; #endif #ifdef ECOFF_SUPPORT case DO_ECOFF: ecoff_savekernel(outfile); break; #endif #ifdef ELF_SUPPORT case DO_ELF: elf_savekernel(outfile); break; #endif default: errx(1, "no supported exec type"); } }