arch/tile/include/uapi/asm/sigcontext.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   4  *
   5  *   This program is free software; you can redistribute it and/or
   6  *   modify it under the terms of the GNU General Public License
   7  *   as published by the Free Software Foundation, version 2.
   8  *
   9  *   This program is distributed in the hope that it will be useful, but
  10  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  12  *   NON INFRINGEMENT.  See the GNU General Public License for
  13  *   more details.
  14  */
  15
  16 #ifndef _ASM_TILE_SIGCONTEXT_H
  17 #define _ASM_TILE_SIGCONTEXT_H
  18
  19 /* Don't pollute the namespace since <signal.h> includes this file. */
  20 #define __need_int_reg_t
  21 #include <arch/abi.h>
  22
  23 /*
  24  * struct sigcontext has the same shape as struct pt_regs,
  25  * but is simplified since we know the fault is from userspace.
  26  */
  27 struct sigcontext {
  28         __extension__ union {
  29                 /* General-purpose registers.  */
  30                 __uint_reg_t gregs[56];
  31                 __extension__ struct {
  32                         __uint_reg_t __gregs[53];
  33                         __uint_reg_t tp;        /* Aliases gregs[TREG_TP].  */
  34                         __uint_reg_t sp;        /* Aliases gregs[TREG_SP].  */
  35                         __uint_reg_t lr;        /* Aliases gregs[TREG_LR].  */
  36                 };
  37         };
  38         __uint_reg_t pc;        /* Program counter.  */
  39         __uint_reg_t ics;       /* In Interrupt Critical Section?  */
  40         __uint_reg_t faultnum;  /* Fault number.  */
  41         __uint_reg_t pad[5];
  42 };
  43
  44 #endif /* _ASM_TILE_SIGCONTEXT_H */