1/* struct ucontext definition, ARC version.
2 Copyright (C) 2020-2026 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19/* System V/ARC ABI compliant context switching support. */
20
21#ifndef _SYS_UCONTEXT_H
22#define _SYS_UCONTEXT_H 1
23
24#include <features.h>
25
26#include <bits/types/sigset_t.h>
27#include <bits/types/stack_t.h>
28
29typedef struct
30{
31 unsigned long int __pad;
32 unsigned long int __bta;
33 unsigned long int __lp_start, __lp_end, __lp_count;
34 unsigned long int __status32, __ret, __blink;
35 unsigned long int __fp, __gp;
36 unsigned long int __r12, __r11, __r10, __r9, __r8, __r7;
37 unsigned long int __r6, __r5, __r4, __r3, __r2, __r1, __r0;
38 unsigned long int __sp;
39 unsigned long int __r26;
40 unsigned long int __r25, __r24, __r23, __r22, __r21, __r20;
41 unsigned long int __r19, __r18, __r17, __r16, __r15, __r14, __r13;
42 unsigned long int __efa;
43 unsigned long int __stop_pc;
44 unsigned long int __r30, __r58, __r59;
45} mcontext_t;
46
47/* Userlevel context. */
48typedef struct ucontext_t
49{
50 unsigned long int __uc_flags;
51 struct ucontext_t *uc_link;
52 stack_t uc_stack;
53 mcontext_t uc_mcontext;
54 sigset_t uc_sigmask;
55} ucontext_t;
56
57#endif