NetBSD/sys/kern/exec_elf32.c

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/* $NetBSD: exec_elf32.c,v 1.137 2008/11/19 18:36:06 ad Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou
* 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 Christopher G. Demetriou
* for the NetBSD Project.
* 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.
*/
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#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: exec_elf32.c,v 1.137 2008/11/19 18:36:06 ad Exp $");
#define ELFSIZE 32
#include "exec_elf.c"
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#include <sys/module.h>
#define ELF32_AUXSIZE (howmany(ELF_AUX_ENTRIES * sizeof(Aux32Info), \
sizeof(Elf32_Addr)) + MAXPATHLEN + ALIGN(1))
#ifdef COREDUMP
#define DEP "coredump"
#else
#define DEP NULL
#endif
MODULE(MODULE_CLASS_MISC, exec_elf32, DEP);
static struct execsw exec_elf32_execsw[] = {
{ sizeof (Elf32_Ehdr),
exec_elf32_makecmds,
{ netbsd_elf32_probe },
&emul_netbsd,
EXECSW_PRIO_ANY,
ELF32_AUXSIZE,
elf32_copyargs,
NULL,
coredump_elf32,
exec_setup_stack },
#if EXEC_ELF_NOTELESS
{ sizeof (Elf32_Ehdr),
exec_elf32_makecmds,
{ NULL },
&emul_netbsd,
EXECSW_PRIO_LAST,
ELF32_AUXSIZE,
elf32_copyargs,
NULL,
coredump_elf32,
exec_setup_stack },
#endif
};
static int
exec_elf32_modcmd(modcmd_t cmd, void *arg)
{
switch (cmd) {
case MODULE_CMD_INIT:
return exec_add(exec_elf32_execsw,
__arraycount(exec_elf32_execsw));
case MODULE_CMD_FINI:
return exec_remove(exec_elf32_execsw,
__arraycount(exec_elf32_execsw));
default:
return ENOTTY;
}
}