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

   1 /* Copyright (C) 1996, 1997, 1998, 2003, 2004, 2006 Free Software
   2    Foundation, Inc.  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 #ifndef _BITS_SIGCONTEXT_H
  20 #define _BITS_SIGCONTEXT_H 1
  21
  22 #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
  23 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
  24 #endif
  25
  26 #include <sgidefs.h>
  27
  28 #if _MIPS_SIM == _ABIO32
  29
  30 /* Certain unused fields were replaced with new ones in 2.6.12-rc4.
  31    The changes were as follows:
  32
  33    sc_cause -> sc_hi1
  34    sc_badvaddr -> sc_lo1
  35    sc_sigset[0] -> sc_hi2
  36    sc_sigset[1] -> sc_lo2
  37    sc_sigset[2] -> sc_hi3
  38    sc_sigset[3] -> sc_lo3
  39
  40    sc_regmask, sc_ownedfp and sc_fpc_eir are not used.  */
  41 struct sigcontext {
  42   unsigned int sc_regmask;
  43   unsigned int sc_status;
  44   unsigned long long sc_pc;
  45   unsigned long long sc_regs[32];
  46   unsigned long long sc_fpregs[32];
  47   unsigned int sc_ownedfp;
  48   unsigned int sc_fpc_csr;
  49   unsigned int sc_fpc_eir;
  50   unsigned int sc_used_math;
  51   unsigned int sc_dsp;
  52   unsigned long long sc_mdhi;
  53   unsigned long long sc_mdlo;
  54   unsigned long sc_hi1;
  55   unsigned long sc_lo1;
  56   unsigned long sc_hi2;
  57   unsigned long sc_lo2;
  58   unsigned long sc_hi3;
  59   unsigned long sc_lo3;
  60 };
  61
  62 #else
  63
  64 /* This structure changed in 2.6.12-rc4 when DSP support was added.  */
  65 struct sigcontext {
  66   unsigned long long sc_regs[32];
  67   unsigned long long sc_fpregs[32];
  68   unsigned long long sc_mdhi;
  69   unsigned long long sc_hi1;
  70   unsigned long long sc_hi2;
  71   unsigned long long sc_hi3;
  72   unsigned long long sc_mdlo;
  73   unsigned long long sc_lo1;
  74   unsigned long long sc_lo2;
  75   unsigned long long sc_lo3;
  76   unsigned long long sc_pc;
  77   unsigned int sc_fpc_csr;
  78   unsigned int sc_used_math;
  79   unsigned int sc_dsp;
  80   unsigned int sc_reserved;
  81 };
  82
  83 #endif /* _MIPS_SIM != _ABIO32 */
  84 #endif