/**
 * \file
 * \brief  Low-level kernel functions for AMD64
 */
/*
 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
 *               Alexander Warg <warg@os.inf.tu-dresden.de>
 *     economic rights: Technische Universität Dresden (Germany)
 *
 * This file is part of TUD:OS and distributed under the terms of the
 * GNU General Public License 2.
 * Please see the COPYING-GPL-2 file for details.
 *
 * As a special exception, you may use this file as part of a free software
 * library without restriction.  Specifically, if other files instantiate
 * templates or use macros or inline functions from this file, or you compile
 * this file and link it with other files to produce an executable, this
 * file does not by itself cause the resulting executable to be covered by
 * the GNU General Public License.  This exception does not however
 * invalidate any other reasons why the executable file might be covered by
 * the GNU General Public License.
 */
#pragma once

#include <l4/sys/ipc-invoke.h>
# define L4_SYSCALL_debugger            "int $0x32 \n\t"
#ifndef L4_SYSCALL
# define L4_SYSCALL(name)                 L4_SYSCALL_ ## name  ///< syscall entry
#endif


L4_INLINE l4_msgtag_t
l4_invoke_debugger(l4_cap_idx_t obj, l4_msgtag_t tag, l4_utcb_t *utcb) L4_NOTHROW
{
  l4_umword_t dummy1, dummy2;

  __asm__ __volatile__(
	L4_SYSCALL(debugger)
       :
	"=d" (dummy1),
	"=a" (tag.raw),
	"=D" (dummy2)
       :
	"d" (obj),
	"a" (tag.raw),
	"D" (utcb)
       :
	"memory", "cc"
       );

  return tag;
}

