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/* $OpenBSD: exec.c,v 1.2 2001/12/05 10:11:23 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 1.2 2001/12/05 10:11:23 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");
}
}
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