82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*
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swap64.c - 64-bit byte swapping functions.
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Copyright (C) 1995 - 2001 Michael Riepe
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <private.h>
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#include <byteswap.h>
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#if __LIBELF64
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#ifndef lint
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static const char rcsid[] = "@(#) $Id: swap64.c,v 1.6 2008/05/23 08:15:35 michael Exp $";
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#endif /* lint */
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__libelf_u64_t
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_elf_load_u64L(const unsigned char *from) {
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return ((__libelf_u64_t)__load_u32L(from + 4) << 32)
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}
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__libelf_u64_t
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_elf_load_u64M(const unsigned char *from) {
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return ((__libelf_u64_t)__load_u32M(from) << 32)
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}
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__libelf_i64_t
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_elf_load_i64L(const unsigned char *from) {
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return ((__libelf_i64_t)__load_i32L(from + 4) << 32)
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}
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__libelf_i64_t
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_elf_load_i64M(const unsigned char *from) {
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return ((__libelf_i64_t)__load_i32M(from) << 32)
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}
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void
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_elf_store_u64L(unsigned char *to, __libelf_u64_t v) {
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__store_u32L(to, (__libelf_u32_t)v);
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v >>= 32;
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__store_u32L(to + 4, (__libelf_u32_t)v);
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}
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void
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_elf_store_u64M(unsigned char *to, __libelf_u64_t v) {
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__store_u32M(to + 4, (__libelf_u32_t)v);
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v >>= 32;
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__store_u32M(to, (__libelf_u32_t)v);
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}
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void
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_elf_store_i64L(unsigned char *to, __libelf_u64_t v) {
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__store_u32L(to, (__libelf_u32_t)v);
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v >>= 32;
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__store_i32L(to + 4, (__libelf_u32_t)v);
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}
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void
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_elf_store_i64M(unsigned char *to, __libelf_u64_t v) {
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__store_u32M(to + 4, (__libelf_u32_t)v);
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v >>= 32;
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__store_i32M(to, (__libelf_u32_t)v);
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}
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#endif /* __LIBELF64 */
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