92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/* $NetBSD: exec_som.c,v 1.2 2002/11/28 05:38:42 chs Exp $ */
|
|
|
|
/* $OpenBSD: exec_som.c,v 1.1 1999/12/23 04:10:30 mickey Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1999 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 OR HIS RELATIVES 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 MIND, 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 <sys/param.h>
|
|
#include "libsa.h"
|
|
#include <machine/exec.h>
|
|
#include <lib/libsa/exec.h>
|
|
|
|
int
|
|
som_probe(int fd, union x_header *hdr)
|
|
{
|
|
return !SOM_BADMAGIC(&hdr->x_som);
|
|
}
|
|
|
|
|
|
int
|
|
som_load(int fd, struct x_param *xp)
|
|
{
|
|
struct som_filehdr *xf = &xp->xp_hdr->x_som;
|
|
struct som_exec_aux x;
|
|
|
|
if (lseek(fd, xf->aux_loc, SEEK_SET) < 0 ||
|
|
read (fd, &x, sizeof(x)) != sizeof(x)) {
|
|
if (!errno)
|
|
errno = EIO;
|
|
return -1;
|
|
}
|
|
|
|
xp->xp_entry = x.a_entry;
|
|
|
|
xp->text.size = hppa_round_page(x.a_tsize);
|
|
xp->data.size = hppa_round_page(x.a_dsize);
|
|
xp->bss.size = x.a_bsize;
|
|
xp->sym.size = xf->sym_total * sizeof(struct som_sym);
|
|
xp->str.size = xf->strings_size;
|
|
|
|
xp->text.foff = x.a_tfile;
|
|
xp->data.foff = x.a_dfile;
|
|
xp->bss.foff = 0;
|
|
if (xf->sym_total) {
|
|
xp->sym.foff = xf->sym_loc;
|
|
xp->str.foff = xf->strings_loc;
|
|
}
|
|
|
|
xp->text.addr = x.a_tmem;
|
|
xp->data.addr = x.a_dmem;
|
|
xp->bss.addr = xp->data.addr + x.a_dsize;
|
|
xp->sym.addr = xp->bss.addr + xp->bss.size;
|
|
xp->str.addr = xp->sym.addr + xp->sym.size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
som_ldsym(int fd, struct x_param *xp)
|
|
{
|
|
return -1;
|
|
}
|