1 /* Copyright (C) 1997-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <https://www.gnu.org/licenses/>. */
18 /* System V/m68k ABI compliant context switching support. */
20 #ifndef _SYS_UCONTEXT_H
21 #define _SYS_UCONTEXT_H 1
25 #include <bits/types/sigset_t.h>
26 #include <bits/types/stack_t.h>
29 /* Type for general register. */
32 /* Number of general registers. */
35 # define NGREG __NGREG
38 /* Container for all general registers. */
39 typedef greg_t gregset_t
[__NGREG
];
42 /* Number of each register is the `gregset_t' array. */
85 /* Structure to describe FPU registers. */
96 # define __ctx(fld) fld
98 # define __ctx(fld) __ ## fld
101 /* Context to describe whole processor state. */
105 gregset_t
__ctx(gregs
);
109 # define MCONTEXT_VERSION 1
112 /* Userlevel context. */
113 typedef struct ucontext_t
115 unsigned long int __ctx(uc_flags
);
116 struct ucontext_t
*uc_link
;
119 mcontext_t uc_mcontext
;
120 long int __glibc_reserved1
[201];
125 #endif /* sys/ucontext.h */