58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/* EABI unaligned read/write functions.
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Copyright (C) 2005-2020 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 3, or (at your option) any
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later version.
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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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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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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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