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

   1 /* Copyright (C) 2000-2015 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, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
  19 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
  20 #endif
  21
  22 #include <bits/wordsize.h>
  23
  24 #if __WORDSIZE == 32
  25
  26 /* It is quite hard to choose what to put here, because
  27    Linux/sparc32 had at least 3 totally incompatible
  28    signal stack layouts.
  29    This one is for the "new" style signals, which are
  30    now delivered unless SA_SIGINFO is requested.  */
  31
  32 struct sigcontext
  33   {
  34     struct
  35       {
  36         unsigned int    psr;
  37         unsigned int    pc;
  38         unsigned int    npc;
  39         unsigned int    y;
  40         unsigned int    u_regs[16]; /* globals and ins */
  41       }                 si_regs;
  42     int                 si_mask;
  43   };
  44
  45 #else /* sparc64 */
  46
  47 typedef struct
  48   {
  49     unsigned int        si_float_regs [64];
  50     unsigned long       si_fsr;
  51     unsigned long       si_gsr;
  52     unsigned long       si_fprs;
  53   } __siginfo_fpu_t;
  54
  55 struct sigcontext
  56   {
  57     char                sigc_info[128];
  58     struct
  59       {
  60         unsigned long   u_regs[16]; /* globals and ins */
  61         unsigned long   tstate;
  62         unsigned long   tpc;
  63         unsigned long   tnpc;
  64         unsigned int    y;
  65         unsigned int    fprs;
  66       }                 sigc_regs;
  67     __siginfo_fpu_t *   sigc_fpu_save;
  68     struct
  69       {
  70         void *          ss_sp;
  71         int             ss_flags;
  72         unsigned long   ss_size;
  73       }                 sigc_stack;
  74     unsigned long       sigc_mask;
  75 };
  76
  77 #endif /* sparc64 */