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/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
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>
#include <bits/sigcontext.h>
#ifdef __USE_MISC
# define __ctx(fld) fld
#else
# define __ctx(fld) __ ## fld
#endif
#ifdef __USE_MISC
/* 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];
#endif
#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
#define __need_int_reg_t
#include <arch/abi.h>
/* A machine context is exactly a sigcontext. */
typedef struct
{
__extension__ union
{
__uint_reg_t __ctx(gregs)[56];
__extension__ struct
{
__uint_reg_t __ctx(__gregs)[53];
__uint_reg_t __ctx(tp);
__uint_reg_t __ctx(sp);
__uint_reg_t __ctx(lr);
};
};
__uint_reg_t __ctx(pc);
__uint_reg_t __ctx(ics);
__uint_reg_t __ctx(faultnum);
__uint_reg_t __glibc_reserved1[5];
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext
{
unsigned long int __ctx(uc_flags);
struct ucontext *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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