You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
4 years ago
|
/*
|
||
|
|
* Copyright (C) 2012 ARM Ltd.
|
||
|
|
* Copyright (C) 2017 SiFive, Inc.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
* This file was copied from arch/arm64/include/uapi/asm/ucontext.h
|
||
|
|
*/
|
||
|
|
#ifndef __ASM_UCONTEXT_H
|
||
|
|
#define __ASM_UCONTEXT_H
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
struct ucontext {
|
||
|
|
unsigned long uc_flags;
|
||
|
|
struct ucontext *uc_link;
|
||
|
|
stack_t uc_stack;
|
||
|
|
sigset_t uc_sigmask;
|
||
|
|
/* There's some padding here to allow sigset_t to be expanded in the
|
||
|
|
* future. Though this is unlikely, other architectures put uc_sigmask
|
||
|
|
* at the end of this structure and explicitly state it can be
|
||
|
|
* expanded, so we didn't want to box ourselves in here. */
|
||
|
|
__u8 __unused[1024 / 8 - sizeof(sigset_t)];
|
||
|
|
/* We can't put uc_sigmask at the end of this structure because we need
|
||
|
|
* to be able to expand sigcontext in the future. For example, the
|
||
|
|
* vector ISA extension will almost certainly add ISA state. We want
|
||
|
|
* to ensure all user-visible ISA state can be saved and restored via a
|
||
|
|
* ucontext, so we're putting this at the end in order to allow for
|
||
|
|
* infinite extensibility. Since we know this will be extended and we
|
||
|
|
* assume sigset_t won't be extended an extreme amount, we're
|
||
|
|
* prioritizing this. */
|
||
|
|
struct sigcontext uc_mcontext;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* __ASM_UCONTEXT_H */
|