From d2ea0b965981bb7e334d33f2e8b42a2a70886fc5 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 8 Mar 2008 21:39:00 +0000 Subject: [PATCH] 2008-03-08 Roland McGrath * sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): Clear DF bit in thread state's eflags. Reported by Samuel Thibault . --- sysdeps/mach/hurd/i386/trampoline.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sysdeps/mach/hurd/i386/trampoline.c b/sysdeps/mach/hurd/i386/trampoline.c index dddc6f3ef6..99d9308360 100644 --- a/sysdeps/mach/hurd/i386/trampoline.c +++ b/sysdeps/mach/hurd/i386/trampoline.c @@ -1,5 +1,5 @@ /* Set thread_state for sighandler, and sigcontext to recover. i386 version. - Copyright (C) 1994,1995,1996,1997,1998,1999,2005 + Copyright (C) 1994,1995,1996,1997,1998,1999,2005,2008 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include "hurdfault.h" @@ -218,6 +219,9 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler, /* We pass the handler function to the trampoline code in %edx. */ state->basic.edx = (int) handler; + /* The x86 ABI says the DF bit is clear on entry to any function. */ + state->basic.efl &= ~EFL_DF; + return scp; }