/* Translate Mach exception codes into signal numbers.  Stub version.

   Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <hurd.h>

#include <hurd/signal.h>

/* This file must be modified with machine-dependent details.  */

#error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c"

/* Translate the Mach exception codes, as received in an `exception_raise' RPC,

   into a signal number and signal subcode.  */

void

_hurd_exception2signal (struct hurd_signal_detail *detail, int *signo)

{

  detail->error = 0;

  switch (detail->exc)

    {

    default:

      *signo = SIGIOT;

      detail->code = detail->exc;

      break;

    case EXC_BAD_ACCESS:

      if (detail->exc_code == KERN_PROTECTION_FAILURE)

	*signo = SIGSEGV;

      else

	*signo = SIGBUS;

      detail->code = detail->exc_subcode;

      detail->error = detail->exc_code;

      break;

    case EXC_BAD_INSTRUCTION:

      *signo = SIGILL;

      detail->code = 0;

      break;

    case EXC_ARITHMETIC:

      *signo = SIGFPE;

      detail->code = 0;

      break;

    case EXC_EMULATION:

    case EXC_SOFTWARE:

      *signo = SIGEMT;

      detail->code = 0;

      break;

    case EXC_BREAKPOINT:

      *signo = SIGTRAP;

      detail->code = 0;

      break;

    }

}

libc_hidden_def (_hurd_exception2signal)