libc/sysdeps/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, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _BITS_SIGCONTEXT_H
  19 #define _BITS_SIGCONTEXT_H 1
  20
  21 #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
  22 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
  23 #endif
  24
  25 #include <sgidefs.h>
  26
  27 #if _MIPS_SIM == _ABIO32
  28
  29 /* Certain unused fields were replaced with new ones in 2.6.12-rc4.
  30    The changes were as follows:
  31
  32    sc_cause -> sc_hi1
  33    sc_badvaddr -> sc_lo1
  34    sc_sigset[0] -> sc_hi2
  35    sc_sigset[1] -> sc_lo2
  36    sc_sigset[2] -> sc_hi3
  37    sc_sigset[3] -> sc_lo3
  38
  39    sc_regmask, sc_ownedfp and sc_fpc_eir are not used.  */
  40 struct sigcontext {
  41   unsigned int sc_regmask;
  42   unsigned int sc_status;
  43   unsigned long long sc_pc;
  44   unsigned long long sc_regs[32];
  45   unsigned long long sc_fpregs[32];
  46   unsigned int sc_ownedfp;
  47   unsigned int sc_fpc_csr;
  48   unsigned int sc_fpc_eir;
  49   unsigned int sc_used_math;
  50   unsigned int sc_dsp;
  51   unsigned long long sc_mdhi;
  52   unsigned long long sc_mdlo;
  53   unsigned long sc_hi1;
  54   unsigned long sc_lo1;
  55   unsigned long sc_hi2;
  56   unsigned long sc_lo2;
  57   unsigned long sc_hi3;
  58   unsigned long sc_lo3;
  59 };
  60
  61 #else
  62
  63 /* This structure changed in 2.6.12-rc4 when DSP support was added.  */
  64 struct sigcontext {
  65   unsigned long long sc_regs[32];
  66   unsigned long long sc_fpregs[32];
  67   unsigned long long sc_mdhi;
  68   unsigned long long sc_hi1;
  69   unsigned long long sc_hi2;
  70   unsigned long long sc_hi3;
  71   unsigned long long sc_mdlo;
  72   unsigned long long sc_lo1;
  73   unsigned long long sc_lo2;
  74   unsigned long long sc_lo3;
  75   unsigned long long sc_pc;
  76   unsigned int sc_fpc_csr;
  77   unsigned int sc_used_math;
  78   unsigned int sc_dsp;
  79   unsigned int sc_reserved;
  80 };
  81
  82 #endif /* _MIPS_SIM != _ABIO32 */
  83 #endif