sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h

   1 /* Copyright (C) 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
  20 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
  21 #endif
  22
  23 #include <bits/wordsize.h>
  24
  25 #if __WORDSIZE == 32
  26
  27 /* It is quite hard to choose what to put here, because
  28    Linux/sparc32 had at least 3 totally incompatible
  29    signal stack layouts.
  30    This one is for the "new" style signals, which are
  31    now delivered unless SA_SIGINFO is requested.  */
  32
  33 struct sigcontext
  34   {
  35     struct
  36       {
  37         unsigned int    psr;
  38         unsigned int    pc;
  39         unsigned int    npc;
  40         unsigned int    y;
  41         unsigned int    u_regs[16]; /* globals and ins */
  42       }                 si_regs;
  43     int                 si_mask;
  44   };
  45
  46 #else /* sparc64 */
  47
  48 typedef struct
  49   {
  50     unsigned int        si_float_regs [64];
  51     unsigned long       si_fsr;
  52     unsigned long       si_gsr;
  53     unsigned long       si_fprs;
  54   } __siginfo_fpu_t;
  55
  56 struct sigcontext
  57   {
  58     char                sigc_info[128];
  59     struct
  60       {
  61         unsigned long   u_regs[16]; /* globals and ins */
  62         unsigned long   tstate;
  63         unsigned long   tpc;
  64         unsigned long   tnpc;
  65         unsigned int    y;
  66         unsigned int    fprs;
  67       }                 sigc_regs;
  68     __siginfo_fpu_t *   sigc_fpu_save;
  69     struct
  70       {
  71         void *          ss_sp;
  72         int             ss_flags;
  73         unsigned long   ss_size;
  74       }                 sigc_stack;
  75     unsigned long       sigc_mask;
  76 };
  77
  78 #endif /* sparc64 */