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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [config/] [arm/] [unaligned-funcs.c] - Blame information for rev 199

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1 38 julius
/* EABI unaligned read/write functions.
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   Copyright (C) 2005 Free Software Foundation, Inc.
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   Contributed by CodeSourcery, LLC.
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   This file is free software; you can redistribute it and/or modify it
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   under the terms of the GNU General Public License as published by the
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   Free Software Foundation; either version 2, or (at your option) any
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   later version.
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   In addition to the permissions in the GNU General Public License, the
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   Free Software Foundation gives you unlimited permission to link the
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   compiled version of this file into combinations with other programs,
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   and to distribute those combinations without any restriction coming
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   from the use of this file.  (The General Public License restrictions
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   do apply in other respects; for example, they cover modification of
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   the file, and distribution when not linked into a combine
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   executable.)
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   This file is distributed in the hope that it will be useful, but
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   WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; see the file COPYING.  If not, write to
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   the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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   Boston, MA 02110-1301, USA.  */
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int __aeabi_uread4 (void *);
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int __aeabi_uwrite4 (int, void *);
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long long __aeabi_uread8 (void *);
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long long __aeabi_uwrite8 (long long, void *);
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struct __attribute__((packed)) u4 { int data; };
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struct __attribute__((packed)) u8 { long long data; };
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int
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__aeabi_uread4 (void *ptr)
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{
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  return ((struct u4 *) ptr)->data;
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}
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int
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__aeabi_uwrite4 (int data, void *ptr)
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{
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  ((struct u4 *) ptr)->data = data;
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  return data;
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}
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long long
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__aeabi_uread8 (void *ptr)
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{
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  return ((struct u8 *) ptr)->data;
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}
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long long
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__aeabi_uwrite8 (long long data, void *ptr)
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{
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  ((struct u8 *) ptr)->data = data;
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  return data;
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}

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