kern_exec.c (2caecceeb5f2099e400de3515a0e28ee619c9b0f) kern_exec.c (4c56fcdead10b8ef044580b72b01ed8c6bb2525b)
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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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
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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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $Id: kern_exec.c,v 1.88 1998/10/28 13:36:58 dg Exp $
26 * $Id: kern_exec.c,v 1.89 1998/12/16 16:06:27 bde Exp $
27 */
28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/sysproto.h>
32#include <sys/signalvar.h>
33#include <sys/kernel.h>
34#include <sys/mount.h>

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61#include <vm/vm_object.h>
62#include <vm/vm_zone.h>
63#include <vm/vm_pager.h>
64
65#include <machine/reg.h>
66
67static long *exec_copyout_strings __P((struct image_params *));
68
27 */
28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/sysproto.h>
32#include <sys/signalvar.h>
33#include <sys/kernel.h>
34#include <sys/mount.h>

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61#include <vm/vm_object.h>
62#include <vm/vm_zone.h>
63#include <vm/vm_pager.h>
64
65#include <machine/reg.h>
66
67static long *exec_copyout_strings __P((struct image_params *));
68
69SYSCTL_LONG(_kern, KERN_PS_STRINGS, ps_strings, CTLFLAG_RD, 0,
70 (u_long)PS_STRINGS, "");
69SYSCTL_LONG(_kern, KERN_PS_STRINGS, ps_strings, CTLFLAG_RD, 0, PS_STRINGS, "");
71SYSCTL_LONG(_kern, KERN_USRSTACK, usrstack, CTLFLAG_RD, 0, USRSTACK, "");
72
73/*
74 * Each of the items is a pointer to a `const struct execsw', hence the
75 * double pointer here.
76 */
77static const struct execsw **execsw;
78

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543 long *stack_base;
544 struct ps_strings *arginfo;
545 int szsigcode;
546
547 /*
548 * Calculate string base and vector table pointers.
549 * Also deal with signal trampoline code for this exec type.
550 */
70SYSCTL_LONG(_kern, KERN_USRSTACK, usrstack, CTLFLAG_RD, 0, USRSTACK, "");
71
72/*
73 * Each of the items is a pointer to a `const struct execsw', hence the
74 * double pointer here.
75 */
76static const struct execsw **execsw;
77

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542 long *stack_base;
543 struct ps_strings *arginfo;
544 int szsigcode;
545
546 /*
547 * Calculate string base and vector table pointers.
548 * Also deal with signal trampoline code for this exec type.
549 */
551 arginfo = PS_STRINGS;
550 arginfo = (struct ps_strings *)PS_STRINGS;
552 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
553 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE -
554 roundup((ARG_MAX - imgp->stringspace), sizeof(char *));
555
556 /*
557 * install sigcode
558 */
559 if (szsigcode)

--- 198 unchanged lines hidden --- 		551 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
552 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE -
553 roundup((ARG_MAX - imgp->stringspace), sizeof(char *));
554
555 /*
556 * install sigcode
557 */
558 if (szsigcode)

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