From ac689eb7f9d4e270d1365853b82eece669387e2c Mon Sep 17 00:00:00 2001 From: Jonas Bonn Date: Sat, 4 Jun 2011 21:38:59 +0300 Subject: OpenRISC: Signal handling Signed-off-by: Jonas Bonn Reviewed-by: Arnd Bergmann --- arch/openrisc/include/asm/sigcontext.h | 38 ++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/openrisc/include/asm/sigcontext.h (limited to 'arch/openrisc/include') diff --git a/arch/openrisc/include/asm/sigcontext.h b/arch/openrisc/include/asm/sigcontext.h new file mode 100644 index 000000000000..54a5c50132e3 --- /dev/null +++ b/arch/openrisc/include/asm/sigcontext.h @@ -0,0 +1,38 @@ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2003 Matjaz Breskvar + * Copyright (C) 2010-2011 Jonas Bonn + * et al. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __ASM_OPENRISC_SIGCONTEXT_H +#define __ASM_OPENRISC_SIGCONTEXT_H + +#include + +/* This struct is saved by setup_frame in signal.c, to keep the current + context while a signal handler is executed. It's restored by sys_sigreturn. + + To keep things simple, we use pt_regs here even though normally you just + specify the list of regs to save. Then we can use copy_from_user on the + entire regs instead of a bunch of get_user's as well... +*/ + +struct sigcontext { + struct pt_regs regs; /* needs to be first */ + unsigned long oldmask; + unsigned long usp; /* usp before stacking this gunk on it */ +}; + +#endif /* __ASM_OPENRISC_SIGCONTEXT_H */ -- cgit v1.2.3