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kern_sharedpage.c (13523) kern_sharedpage.c (14235)
1/*
2 * Copyright (c) 1993, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
1/*
2 * Copyright (c) 1993, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $Id: kern_exec.c,v 1.33 1996/01/19 03:58:01 dyson Exp $
31 * $Id: kern_exec.c,v 1.34 1996/01/20 21:36:30 bde Exp $
32 */
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/sysproto.h>
37#include <sys/signalvar.h>
38#include <sys/kernel.h>
39#include <sys/mount.h>
40#include <sys/filedesc.h>
41#include <sys/fcntl.h>
42#include <sys/acct.h>
43#include <sys/exec.h>
44#include <sys/imgact.h>
45#include <sys/wait.h>
46#include <sys/malloc.h>
47#include <sys/sysent.h>
48#include <sys/syslog.h>
49#include <sys/shm.h>
32 */
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/sysproto.h>
37#include <sys/signalvar.h>
38#include <sys/kernel.h>
39#include <sys/mount.h>
40#include <sys/filedesc.h>
41#include <sys/fcntl.h>
42#include <sys/acct.h>
43#include <sys/exec.h>
44#include <sys/imgact.h>
45#include <sys/wait.h>
46#include <sys/malloc.h>
47#include <sys/sysent.h>
48#include <sys/syslog.h>
49#include <sys/shm.h>
50#include <sys/sysctl.h>
50
51#include <vm/vm.h>
52#include <vm/vm_param.h>
53#include <vm/vm_prot.h>
54#include <vm/lock.h>
55#include <vm/pmap.h>
56#include <vm/vm_map.h>
57#include <vm/vm_kern.h>
58#include <vm/vm_extern.h>
59
60#include <machine/reg.h>
61
62static int *exec_copyout_strings __P((struct image_params *));
63
64static int exec_check_permissions(struct image_params *);
65
66/*
51
52#include <vm/vm.h>
53#include <vm/vm_param.h>
54#include <vm/vm_prot.h>
55#include <vm/lock.h>
56#include <vm/pmap.h>
57#include <vm/vm_map.h>
58#include <vm/vm_kern.h>
59#include <vm/vm_extern.h>
60
61#include <machine/reg.h>
62
63static int *exec_copyout_strings __P((struct image_params *));
64
65static int exec_check_permissions(struct image_params *);
66
67/*
68 * XXX trouble here if sizeof(caddr_t) != sizeof(int), other parts
69 * of the sysctl code also assumes this, and sizeof(int) == sizeof(long).
70 */
71static caddr_t ps_strings = (caddr_t)PS_STRINGS;
72SYSCTL_INT(_kern, KERN_PS_STRINGS, ps_strings, 0, &ps_strings, 0, "");
73
74static caddr_t usrstack = (caddr_t)USRSTACK;
75SYSCTL_INT(_kern, KERN_USRSTACK, usrstack, 0, &usrstack, 0, "");
76
77/*
67 * execsw_set is constructed for us by the linker. Each of the items
68 * is a pointer to a `const struct execsw', hence the double pointer here.
69 */
70static const struct execsw **execsw =
71 (const struct execsw **)&execsw_set.ls_items[0];
72
73#ifndef _SYS_SYSPROTO_H_
74struct execve_args {

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78 * execsw_set is constructed for us by the linker. Each of the items
79 * is a pointer to a `const struct execsw', hence the double pointer here.
80 */
81static const struct execsw **execsw =
82 (const struct execsw **)&execsw_set.ls_items[0];
83
84#ifndef _SYS_SYSPROTO_H_
85struct execve_args {

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