113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/* $NetBSD: lkminit_linux.c,v 1.4 1997/05/19 22:11:17 jtc Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Michael Graff <explorer@flame.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/mount.h>
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#include <sys/exec.h>
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#include <sys/exec_elf.h>
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#include <sys/lkm.h>
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#include <sys/file.h>
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#include <sys/errno.h>
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#include <machine/cpu.h>
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#include <machine/reg.h>
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#include <compat/linux/linux_exec.h>
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extern int exec_linux_aout_makecmds();
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extern struct emul *emul_linux_elf;
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extern struct emul *emul_linux_aout;
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extern struct emul _emul_linux_elf;
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extern struct emul _emul_linux_aout;
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struct execsw linux_lkm_execsw = {
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LINUX_AOUT_HDR_SIZE, exec_linux_aout_makecmds,
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};
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/*
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* declare the filesystem
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*/
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MOD_EXEC("compat_linux", -1, &linux_lkm_execsw);
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/*
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* entry point
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*/
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int
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compat_linux_lkmentry(lkmtp, cmd, ver)
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struct lkm_table *lkmtp;
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int cmd;
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int ver;
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{
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DISPATCH(lkmtp, cmd, ver,
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compat_linux_lkmload,
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compat_linux_lkmunload,
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lkm_nofunc);
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}
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int
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compat_linux_lkmload(lkmtp, cmd)
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struct lkm_table *lkmtp;
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int cmd;
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{
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if (elf_probe_funcs_insert(linux_elf32_probe))
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return 1; /* Failure! */
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emul_linux_aout = &_emul_linux_aout;
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emul_linux_elf = &_emul_linux_elf;
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return 0;
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}
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/*
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* Note that it is NOT safe to unload this at all...
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*/
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int
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compat_linux_lkmunload(lkmtp, cmd)
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struct lkm_table *lkmtp;
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int cmd;
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{
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if (elf_probe_funcs_insert(linux_elf32_probe))
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return 1; /* Failure! */
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emul_linux_aout = NULL;
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emul_linux_elf = NULL;
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return 0;
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}
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