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1130b656e5
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/*-
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* Copyright (c) 1994 Søren Schmidt
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* All rights reserved.
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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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* in this position and unchanged.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/exec.h>
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#include <sys/conf.h>
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#include <sys/sysent.h>
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#include <sys/lkm.h>
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#include <sys/imgact_elf.h>
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#include "i386/linux/linux.h"
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extern const struct execsw linux_execsw;
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MOD_EXEC(linux, -1, &linux_execsw);
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extern Elf32_Brandinfo linux_brand;
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static int
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linux_load(struct lkm_table *lkmtp, int cmd)
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{
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if (elf_insert_brand_entry(&linux_brand))
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uprintf("Could not install ELF interpreter entry\n");
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uprintf("Linux emulator installed\n");
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return 0;
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}
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static int
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linux_unload(struct lkm_table *lkmtp, int cmd)
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{
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if (elf_remove_brand_entry(&linux_brand))
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uprintf("Could not deinstall ELF interpreter entry\n");
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uprintf("Linux emulator removed\n");
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return 0;
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}
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int
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linux_mod(struct lkm_table *lkmtp, int cmd, int ver)
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{
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DISPATCH(lkmtp, cmd, ver, linux_load, linux_unload, lkm_nullcmd);
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}
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