sysdeps/unix/sysv/linux/i386/ucontext_i.h

   1 /* Offsets and other constants needed in the *context() function
   2    implementation.
   3    Copyright (C) 2001 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #define SIG_BLOCK       0
  22 #define SIG_SETMASK     2
  23
  24 /* Offsets of the fields in the ucontext_t structure.  */
  25 #define oLINK           4
  26 #define oSS_SP          8
  27 #define oSS_SIZE        16
  28 #define oGS             20
  29 #define oFS             24
  30 #define oEDI            36
  31 #define oESI            40
  32 #define oEBP            44
  33 #define oESP            48
  34 #define oEBX            52
  35 #define oEDX            56
  36 #define oECX            60
  37 #define oEAX            64
  38 #define oEIP            76
  39 #define oFPREGS         96
  40 #define oSIGMASK        108
  41 #define oFPREGSMEM      236