NetBSD/sys/compat/hpux/hpux_exec.c

178 lines
5.7 KiB
C

/* $NetBSD: hpux_exec.c,v 1.28 2001/11/13 02:08:14 lukem Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* Copyright (c) 1993, 1994 Christopher G. Demetriou
*
* 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
* This product includes software developed by Christopher G. Demetriou.
* 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.
*/
/*
* Glue for exec'ing HP-UX executables and the HP-UX execv() system call.
* Based on sys/kern/exec_aout.c
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hpux_exec.c,v 1.28 2001/11/13 02:08:14 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/exec.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/namei.h>
#include <sys/user.h>
#include <sys/vnode.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <machine/cpu.h>
#include <machine/reg.h>
#include <sys/syscallargs.h>
#include <compat/hpux/hpux.h>
#include <compat/hpux/hpux_util.h>
#include <compat/hpux/hpux_syscall.h>
#include <compat/hpux/hpux_syscallargs.h>
#include <machine/hpux_machdep.h>
extern struct sysent hpux_sysent[];
extern const char * const hpux_syscallnames[];
extern char sigcode[], esigcode[];
extern int native_to_hpux_errno[];
void syscall __P((void));
const struct emul emul_hpux = {
"hpux",
"/emul/hpux",
0,
native_to_hpux_errno,
HPUX_SYS_syscall,
HPUX_SYS_MAXSYSCALL,
hpux_sysent,
hpux_syscallnames,
hpux_sendsig,
trapsignal,
sigcode,
esigcode,
hpux_setregs,
NULL,
NULL,
NULL,
syscall
};
/*
* The HP-UX execv(2) system call.
*
* Just check the alternate emulation path, and pass it on to the NetBSD
* execve().
*/
int
hpux_sys_execv(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct hpux_sys_execv_args /* {
syscallarg(const char *) path;
syscallarg(char **) argv;
} */ *uap = v;
struct sys_execve_args ap;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&ap, path) = SCARG(uap, path);
SCARG(&ap, argp) = SCARG(uap, argp);
SCARG(&ap, envp) = NULL;
return sys_execve(p, &ap, retval);
}
int
hpux_sys_execve(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct hpux_sys_execve_args /* {
syscallarg(const char *) path;
syscallarg(char **) argv;
syscallarg(char **) envp;
} */ *uap = v;
struct sys_execve_args ap;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&ap, path) = SCARG(uap, path);
SCARG(&ap, argp) = SCARG(uap, argp);
SCARG(&ap, envp) = SCARG(uap, envp);
return sys_execve(p, &ap, retval);
}