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/* Copyright (C) 1998-2022 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
<https://www.gnu.org/licenses/>. */
#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
/* Type for general register. */
typedef long int greg_t;
/* Number of general registers. */
#define __NGREG 33
#ifdef __USE_MISC
# define NGREG __NGREG
#endif
/* Container for all general registers. */
typedef greg_t gregset_t[__NGREG];
/* Type for floating-point register. */
typedef long int fpreg_t;
/* Number of general registers. */
#define __NFPREG 32
#ifdef __USE_MISC
# define NFPREG __NFPREG
#endif
/* Container for all general registers. */
typedef fpreg_t fpregset_t[__NFPREG];
/* A machine context is exactly a sigcontext. */
typedef struct
{
long int __ctx(sc_onstack);
long int __ctx(sc_mask);
long int __ctx(sc_pc);
long int __ctx(sc_ps);
long int __ctx(sc_regs)[32];
long int __ctx(sc_ownedfp);
long int __ctx(sc_fpregs)[32];
unsigned long int __ctx(sc_fpcr);
unsigned long int __ctx(sc_fp_control);
unsigned long int __glibc_reserved1, __glibc_reserved2;
unsigned long int __ctx(sc_ssize);
char *__ctx(sc_sbase);
unsigned long int __ctx(sc_traparg_a0);
unsigned long int __ctx(sc_traparg_a1);
unsigned long int __ctx(sc_traparg_a2);
unsigned long int __ctx(sc_fp_trap_pc);
unsigned long int __ctx(sc_fp_trigger_sum);
unsigned long int __ctx(sc_fp_trigger_inst);
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext_t
{
unsigned long int __ctx(uc_flags);
struct ucontext_t *uc_link;
unsigned long __uc_osf_sigmask;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
} ucontext_t;
#undef __ctx
#endif /* sys/ucontext.h */
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