1  /* struct ucontext definition, ARC version.
       2     Copyright (C) 2020-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* System V/ARC ABI compliant context switching support.  */
      20  
      21  #ifndef _SYS_UCONTEXT_H
      22  #define _SYS_UCONTEXT_H	1
      23  
      24  #include <features.h>
      25  
      26  #include <bits/types/sigset_t.h>
      27  #include <bits/types/stack_t.h>
      28  
      29  typedef struct
      30  {
      31    unsigned long int __pad;
      32    unsigned long int __bta;
      33    unsigned long int __lp_start, __lp_end, __lp_count;
      34    unsigned long int __status32, __ret, __blink;
      35    unsigned long int __fp, __gp;
      36    unsigned long int __r12, __r11, __r10, __r9, __r8, __r7;
      37    unsigned long int __r6, __r5, __r4, __r3, __r2, __r1, __r0;
      38    unsigned long int __sp;
      39    unsigned long int __r26;
      40    unsigned long int __r25, __r24, __r23, __r22, __r21, __r20;
      41    unsigned long int __r19, __r18, __r17, __r16, __r15, __r14, __r13;
      42    unsigned long int __efa;
      43    unsigned long int __stop_pc;
      44    unsigned long int __r30, __r58, __r59;
      45  } mcontext_t;
      46  
      47  /* Userlevel context.  */
      48  typedef struct ucontext_t
      49  {
      50    unsigned long int __uc_flags;
      51    struct ucontext_t *uc_link;
      52    stack_t uc_stack;
      53    mcontext_t uc_mcontext;
      54    sigset_t uc_sigmask;
      55  } ucontext_t;
      56  
      57  #endif