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/* Copyright (C) 1998-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* System V/AArch64 ABI compliant context switching support. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <signal.h>
#include <sys/procfs.h>
/* We need the signal context definitions even if they are not used
included in <signal.h>. */
#include <bits/sigcontext.h>
typedef int greg_t;
/* Container for all general registers. */
typedef elf_gregset_t gregset_t;
/* Structure to describe FPU registers. */
typedef elf_fpregset_t fpregset_t;
/* Context to describe whole processor state. This only describes
the core registers; coprocessor registers get saved elsewhere
(e.g. in uc_regspace, or somewhere unspecified on the stack
during non-RT signal handlers). */
typedef struct sigcontext mcontext_t;
/* Userlevel context. */
typedef struct ucontext
{
unsigned long uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
__sigset_t uc_sigmask;
mcontext_t uc_mcontext;
} ucontext_t;
#endif /* sys/ucontext.h */
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