Subversion Repositories openrisc

/* EABI unaligned read/write functions.

   Copyright (C) 2005 Free Software Foundation, Inc.

   Contributed by CodeSourcery, LLC.

   This file is free software; you can redistribute it and/or modify it

   under the terms of the GNU General Public License as published by the

   Free Software Foundation; either version 2, or (at your option) any

   later version.

   In addition to the permissions in the GNU General Public License, the

   Free Software Foundation gives you unlimited permission to link the

   compiled version of this file into combinations with other programs,

   and to distribute those combinations without any restriction coming

   from the use of this file.  (The General Public License restrictions

   do apply in other respects; for example, they cover modification of

   the file, and distribution when not linked into a combine

   executable.)

   This file 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

   General Public License for more details.

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

   along with this program; see the file COPYING.  If not, write to

   the Free Software Foundation, 51 Franklin Street, Fifth Floor,

   Boston, MA 02110-1301, USA.  */

int __aeabi_uread4 (void *);

int __aeabi_uwrite4 (int, void *);

long long __aeabi_uread8 (void *);

long long __aeabi_uwrite8 (long long, void *);

struct __attribute__((packed)) u4 { int data; };

struct __attribute__((packed)) u8 { long long data; };

int

__aeabi_uread4 (void *ptr)

{

  return ((struct u4 *) ptr)->data;

}

int

__aeabi_uwrite4 (int data, void *ptr)

{

  ((struct u4 *) ptr)->data = data;

  return data;

}

long long

__aeabi_uread8 (void *ptr)

{

  return ((struct u8 *) ptr)->data;

}

long long

__aeabi_uwrite8 (long long data, void *ptr)

{

  ((struct u8 *) ptr)->data = data;

  return data;

}