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deliver SIGSEGV/SEGV_ACCERR if code execution on stack is attempted, 

tested by Chuck Silvers
This commit is contained in:
drochner 2004-02-24 18:25:27 +00:00
parent c6de49574c
commit 45fc887212
1 changed files with 3 additions and 3 deletions
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6
sys/arch/powerpc/powerpc/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.96 2003/11/21 22:57:14 matt Exp $ */
/* $NetBSD: trap.c,v 1.97 2004/02/24 18:25:27 drochner Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.96 2003/11/21 22:57:14 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.97 2004/02/24 18:25:27 drochner Exp $");
#include "opt_altivec.h"
#include "opt_ddb.h"
@ -334,7 +334,7 @@ trap(struct trapframe *frame)
ksi.ksi_signo = SIGSEGV;
ksi.ksi_trap = EXC_ISI;
ksi.ksi_addr = (void *)frame->srr0;
ksi.ksi_code = SEGV_MAPERR;
ksi.ksi_code = (rv == EACCES ? SEGV_ACCERR : SEGV_MAPERR);
(*p->p_emul->e_trapsignal)(l, &ksi);
l->l_flag &= ~L_SA_PAGEFAULT;
KERNEL_PROC_UNLOCK(l);