// i386-signal.h - Catch runtime signals and turn them into exceptions.

/* Copyright (C) 1998, 1999  Cygnus Solutions

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
details.  */

/* This technique should work for all i386 based Unices which conform
   to iBCS2.  This includes all versions of Linux more recent than
   version 1.3 */


#ifndef JAVA_SIGNAL_H
#define JAVA_SIGNAL_H 1

#include <signal.h>

#define HANDLE_SEGV 1
#define HANDLE_FPE 1


#define MAKE_THROW_FRAME(_dummy)					\
{									\
  void **_p = (void **)&_dummy;						\
  struct sigcontext_struct *_regs = (struct sigcontext_struct *)++_p;	\
									\
  register unsigned long _ebp = _regs->ebp;				\
  register unsigned long _eip = _regs->eip;				\
  									\
  asm volatile ("mov %0, (%%ebp); mov %1, 4(%%ebp)"			\
		: : "r"(_ebp), "r"(_eip));				\
}

#endif /* JAVA_SIGNAL_H */