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/* struct ucontext definition, C-SKY version.
Copyright (C) 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/>. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <bits/types/sigset_t.h>
#include <bits/types/stack_t.h>
typedef struct
{
unsigned long __tls;
unsigned long __lr;
unsigned long __pc;
unsigned long __sr;
unsigned long __usp;
/*
* a0, a1, a2, a3:
* abiv1: r2, r3, r4, r5
* abiv2: r0, r1, r2, r3
*/
unsigned long __orig_a0;
unsigned long __a0;
unsigned long __a1;
unsigned long __a2;
unsigned long __a3;
/*
* ABIV2: r4 ~ r13
*/
unsigned long __regs[10];
/* r16 ~ r30 */
unsigned long __exregs[15];
unsigned long __rhi;
unsigned long __rlo;
unsigned long __glibc_reserved;
} gregset_t;
typedef struct
{
unsigned long __vr[64];
unsigned long __fcr;
unsigned long __fesr;
unsigned long __fid;
unsigned long __glibc_reserved;
} fpregset_t;
/* Context to describe whole processor state. */
typedef struct
{
unsigned long __mask;
gregset_t __gregs;
fpregset_t __fpregs;
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext_t
{
unsigned long int __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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