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

   1 /* Structure describing state saved while handling a signal.  Sparc version.
   2    Copyright (C) 1992, 1994, 1997 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _SIGNAL_H
  21 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
  22 #endif
  23
  24 struct sigcontext
  25   {
  26     int sc_onstack;
  27     __sigset_t sc_mask;
  28
  29 #define SPARC_MAXREGWINDOW 31   /* Maximum usable register windows.  */
  30     int sc_sp, sc_pc, sc_npc, sc_psr, sc_g1, sc_o0;
  31     int sc_wbcnt;               /* Number of outstanding windows.  */
  32     __ptr_t sc_spbuf[SPARC_MAXREGWINDOW]; /* SP's for each window.  */
  33     int sc_wbuf[SPARC_MAXREGWINDOW][16]; /* Saved register windows.  */
  34   };