sysdeps/unix/bsd/sun/sparc/bits/sigcontext.h

   1 /* Structure describing state saved while handling a signal.  Sparc version.
   2 Copyright (C) 1992, 1994 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 Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 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 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 struct sigcontext
  21   {
  22     int sc_onstack;
  23     __sigset_t sc_mask;
  24
  25 #define SPARC_MAXREGWINDOW 31   /* Maximum usable register windows.  */
  26     int sc_sp, sc_pc, sc_npc, sc_psr, sc_g1, sc_o0;
  27     int sc_wbcnt;               /* Number of outstanding windows.  */
  28     __ptr_t sc_spbuf[SPARC_MAXREGWINDOW]; /* SP's for each window.  */
  29     int sc_wbuf[SPARC_MAXREGWINDOW][16]; /* Saved register windows.  */
  30   };
  31