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/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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/>. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <signal.h>
/* We need the signal context definitions even if they are not used
included in <signal.h>. */
#include <bits/sigcontext.h>
/* Get register type and register names. */
#include <arch/abi.h>
/* Type for general register. */
typedef uint_reg_t greg_t;
/* Number of general registers. Must agree with <asm/ptrace.h>. */
#define NGREG 64
/* Container for all general registers. */
typedef greg_t gregset_t[NGREG];
#ifdef __USE_GNU
/* Names for interesting registers in the `gregset_t' array. */
enum
{
/* ... r0 through r51 are just 0 through 51 ... */
REG_FP = TREG_FP,
# define REG_FP REG_FP
REG_TP = TREG_TP,
# define REG_TP REG_TP
REG_SP = TREG_SP,
# define REG_SP REG_SP
REG_LR = TREG_LR,
# define REG_LR REG_LR
};
#endif
/* A machine context is exactly a sigcontext. */
typedef struct sigcontext mcontext_t;
/* Userlevel context. */
typedef struct ucontext
{
unsigned long int uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
__sigset_t uc_sigmask;
} ucontext_t;
#endif /* sys/ucontext.h */
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