1 /* Copyright (C) 1998, 1999, 2001 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, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 /* System V/ARM ABI compliant context switching support. */
21 #ifndef _SYS_UCONTEXT_H
22 #define _SYS_UCONTEXT_H 1
26 #include <sys/procfs.h>
30 /* Number of general registers. */
33 /* Container for all general registers. */
34 typedef elf_gregset_t gregset_t
;
36 /* Number of each register is the `gregset_t' array. */
73 /* Structure to describe FPU registers. */
74 typedef elf_fpregset_t fpregset_t
;
76 /* Context to describe whole processor state. */
83 /* Userlevel context. */
84 typedef struct ucontext
86 unsigned long int uc_flags
;
87 struct ucontext
*uc_link
;
88 __sigset_t uc_sigmask
;
90 mcontext_t uc_mcontext
;
91 long int uc_filler
[5];
94 #endif /* sys/ucontext.h */