2 swap64.c - 64-bit byte swapping functions.
3 Copyright (C) 1995 - 2001 Michael Riepe
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
26 static const char rcsid[] = "@(#) $Id: swap64.c,v 1.6 2008/05/23 08:15:35 michael Exp $";
30 _elf_load_u64L(const unsigned char *from) {
31 return ((__libelf_u64_t)__load_u32L(from + 4) << 32)
32 | (__libelf_u64_t)__load_u32L(from);
36 _elf_load_u64M(const unsigned char *from) {
37 return ((__libelf_u64_t)__load_u32M(from) << 32)
38 | (__libelf_u64_t)__load_u32M(from + 4);
42 _elf_load_i64L(const unsigned char *from) {
43 return ((__libelf_i64_t)__load_i32L(from + 4) << 32)
44 | (__libelf_u64_t)__load_u32L(from);
48 _elf_load_i64M(const unsigned char *from) {
49 return ((__libelf_i64_t)__load_i32M(from) << 32)
50 | (__libelf_u64_t)__load_u32M(from + 4);
54 _elf_store_u64L(unsigned char *to, __libelf_u64_t v) {
55 __store_u32L(to, (__libelf_u32_t)v);
57 __store_u32L(to + 4, (__libelf_u32_t)v);
61 _elf_store_u64M(unsigned char *to, __libelf_u64_t v) {
62 __store_u32M(to + 4, (__libelf_u32_t)v);
64 __store_u32M(to, (__libelf_u32_t)v);
68 _elf_store_i64L(unsigned char *to, __libelf_u64_t v) {
69 __store_u32L(to, (__libelf_u32_t)v);
71 __store_i32L(to + 4, (__libelf_u32_t)v);
75 _elf_store_i64M(unsigned char *to, __libelf_u64_t v) {
76 __store_u32M(to + 4, (__libelf_u32_t)v);
78 __store_i32M(to, (__libelf_u32_t)v);
81 #endif /* __LIBELF64 */