src/fault-openbsd-i386.h

   1 /* Fault handler information.  OpenBSD/i386 and OpenBSD/x86_64 version.
   2    Copyright (C) 2003, 2010  Bruno Haible <bruno@clisp.org>
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  17
  18 #include "fault-openbsd.h"
  19
  20 #if defined __x86_64__
  21 /* 64 bit registers */
  22
  23 /* See the definition of 'struct sigcontext' in
  24    openbsd-src/sys/arch/amd64/include/signal.h.  */
  25
  26 # define SIGSEGV_FAULT_STACKPOINTER  scp->sc_rsp
  27
  28 #else
  29 /* 32 bit registers */
  30
  31 /* See the definition of 'struct sigcontext' in
  32    openbsd-src/sys/arch/i386/include/signal.h.  */
  33
  34 # define SIGSEGV_FAULT_STACKPOINTER  scp->sc_esp
  35
  36 #endif