[src/trunk]: src/sys/arch/usermode/usermode The illegal instruction handler c...

[reinoud <reinoud%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/356251b39a80
branches:  trunk
changeset: 769439:356251b39a80
user:      reinoud <reinoud%NetBSD.org@localhost>
date:      Sat Sep 10 10:29:39 2011 +0000

description:
The illegal instruction handler can exist on the usermodes stack and the
stackframe will disappear when its switched back.

diffstat:

 sys/arch/usermode/usermode/trap.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r e8886f1b1bb0 -r 356251b39a80 sys/arch/usermode/usermode/trap.c
--- a/sys/arch/usermode/usermode/trap.c Sat Sep 10 10:06:10 2011 +0000
+++ b/sys/arch/usermode/usermode/trap.c Sat Sep 10 10:29:39 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: trap.c,v 1.38 2011/09/09 12:21:57 reinoud Exp $ */
+/* $NetBSD: trap.c,v 1.39 2011/09/10 10:29:39 reinoud Exp $ */
 
 /*-
  * Copyright (c) 2011 Reinoud Zandijk <reinoud%netbsd.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.38 2011/09/09 12:21:57 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.39 2011/09/10 10:29:39 reinoud Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -89,7 +89,7 @@
        if (thunk_sigaction(SIGBUS, &sa, NULL) == -1)
                panic("couldn't register SIGBUS handler : %d", thunk_geterrno());
 
-       sa.sa_flags = SA_RESTART | SA_SIGINFO | SA_ONSTACK;
+       sa.sa_flags = SA_RESTART | SA_SIGINFO;
        sa.sa_sigaction = illegal_instruction_handler;
        thunk_sigemptyset(&sa.sa_mask);
        thunk_sigaddset(&sa.sa_mask, SIGALRM);