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/* Copyright (C) 1997-2018 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/>. */
/* Don't rely on this, the interface is currently messed up and may need to
be broken to be fixed. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <bits/types/sigset_t.h>
#include <bits/types/stack_t.h>
#ifdef __USE_MISC
# define __ctx(fld) fld
#else
# define __ctx(fld) __ ## fld
#endif
#ifdef __USE_MISC
/* Type for general register. */
typedef unsigned long int greg_t;
/* Number of general registers. */
# define NGREG 80
# define NFPREG 32
/* Container for all general registers. */
typedef struct gregset
{
greg_t g_regs[32];
greg_t sr_regs[8];
greg_t cr_regs[24];
greg_t g_pad[16];
} gregset_t;
/* Container for all FPU registers. */
typedef struct fpregset
{
double fp_dregs[32];
} fpregset_t;
#endif
/* Context to describe whole processor state. */
typedef struct
{
unsigned long int __ctx(sc_flags);
unsigned long int __ctx(sc_gr)[32];
unsigned long long int __ctx(sc_fr)[32];
unsigned long int __ctx(sc_iasq)[2];
unsigned long int __ctx(sc_iaoq)[2];
unsigned long int __ctx(sc_sar);
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext_t
{
unsigned long int __ctx(uc_flags);
struct ucontext_t *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
} ucontext_t;
#undef __ctx
#endif /* sys/ucontext.h */
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