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/* $OpenBSD: exec_ecoff.c,v 1.2 1998/07/14 16:51:26 mickey Exp $ */
/*
* Copyright (c) 1998 Michael Shalayeff
* 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 Michael Shalayeff.
* 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 "libsa.h"
#include <lib/libsa/exec.h>
int
ecoff_probe(fd, hdr)
int fd;
union x_header *hdr;
{
return !ECOFF_BADMAG(&(hdr->x_ecoff));
}
int
ecoff_load(fd, xp)
int fd;
register struct x_param *xp;
{
register struct ecoff_exechdr *x = &xp->xp_hdr->x_ecoff;
#ifdef EXEC_DEBUG
printf("\nstruct ecoff_exechdr { f.{%x, %x, %x, %lx, %x, %x, %x}\n"
"\ta.{%x, %lx, %lx, %lx, %lx, %lx, %lx, %lx} }\n",
x->f.f_magic, x->f.f_nscns, x->f.f_timdat, x->f.f_symptr,
x->f.f_nsyms, x->f.f_opthdr, x->f.f_flags,
x->a.magic, x->a.tsize, x->a.dsize, x->a.bsize,
x->a.entry, x->a.text_start, x->a.data_start, x->a.bss_start);
#endif
xp->xp_entry = x->a.entry;
xp->text.size = x->a.tsize;
xp->data.size = x->a.dsize;
xp->bss.size = x->a.bsize;
xp->sym.size = x->f.f_nsyms * sizeof (struct ecoff_extsym);
xp->str.size = 0;
xp->text.foff = ECOFF_TXTOFF(x);
xp->data.foff = xp->text.foff + x->a.tsize;
xp->bss.foff = 0;
if (x->f.f_symptr) {
xp->sym.foff = xp->data.foff + x->a.dsize;
xp->str.foff = xp->sym.foff + xp->sym.size;
}
xp->text.addr = x->a.text_start;
xp->data.addr = x->a.data_start;
xp->bss.addr = x->a.bss_start;
xp->sym.addr = x->f.f_symptr;
xp->str.addr = xp->sym.addr + xp->sym.size;
return 0;
}
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