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panic if more space than stackgaplen is requested. Maybe I should remove the

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size option completely.
This commit is contained in:
christos 2002-03-17 00:16:07 +00:00
parent c1d184702f
commit 4b803b1108
1 changed files with 4 additions and 2 deletions
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6
sys/compat/common/compat_util.c
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@ -1,4 +1,4 @@
/* $NetBSD: compat_util.c,v 1.22 2002/03/16 20:43:49 christos Exp $ */
/* $NetBSD: compat_util.c,v 1.23 2002/03/17 00:16:07 christos Exp $ */
/*-
* Copyright (c) 1994 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: compat_util.c,v 1.22 2002/03/16 20:43:49 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: compat_util.c,v 1.23 2002/03/17 00:16:07 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -244,6 +244,8 @@ stackgap_init(p, sz)
{
if (sz == 0)
sz = STACKGAPLEN;
if (sz > STACKGAPLEN)
panic("size %lu > STACKGAPLEN", (unsigned long)sz);
#define szsigcode ((caddr_t)(p->p_emul->e_esigcode - p->p_emul->e_sigcode))
return (caddr_t)(((unsigned long)p->p_psstr - (unsigned long)szsigcode
- sz) & ~ALIGNBYTES);