arch/tile/include/asm/sigcontext.h

   1 /*
   2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  */
  14
  15 #ifndef _ASM_TILE_SIGCONTEXT_H
  16 #define _ASM_TILE_SIGCONTEXT_H
  17
  18 #include <arch/abi.h>
  19
  20 /*
  21  * struct sigcontext has the same shape as struct pt_regs,
  22  * but is simplified since we know the fault is from userspace.
  23  */
  24 struct sigcontext {
  25         uint_reg_t gregs[53];   /* General-purpose registers.  */
  26         uint_reg_t tp;          /* Aliases gregs[TREG_TP].  */
  27         uint_reg_t sp;          /* Aliases gregs[TREG_SP].  */
  28         uint_reg_t lr;          /* Aliases gregs[TREG_LR].  */
  29         uint_reg_t pc;          /* Program counter.  */
  30         uint_reg_t ics;         /* In Interrupt Critical Section?  */
  31         uint_reg_t faultnum;    /* Fault number.  */
  32         uint_reg_t pad[5];
  33 };
  34
  35 #endif /* _ASM_TILE_SIGCONTEXT_H */