swap.h
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:3k
源码类别:
Windows CE
开发平台:
C/C++
- /**********
- * Copyright (c) 2004 Greg Parker. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GREG PARKER ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- **********/
- #ifndef SWAP_H
- #define SWAP_H
- #include "elf.h"
- static inline uint32_t swap32_68K(uint32_t v)
- {
- #if !defined(__i386__)
- return v;
- #else
- return (
- ((v & 0x000000ff) << 24) |
- ((v & 0x0000ff00) << 8) |
- ((v & 0x00ff0000) >> 8) |
- ((v & 0xff000000) >> 24)
- );
- #endif
- }
- static inline uint32_t swap32(uint32_t v)
- {
- #if defined(__i386__)
- return v;
- #else
- return (
- ((v & 0x000000ff) << 24) |
- ((v & 0x0000ff00) << 8) |
- ((v & 0x00ff0000) >> 8) |
- ((v & 0xff000000) >> 24)
- );
- #endif
- }
- static inline uint16_t swap16_68K(uint16_t v)
- {
- #if !defined(__i386__)
- return v;
- #else
- return (
- ((v & 0x00ff) << 8) |
- ((v & 0xff00) >> 8)
- );
- #endif
- }
- static inline uint16_t swap16(uint16_t v)
- {
- #if defined(__i386__)
- return v;
- #else
- return (
- ((v & 0x00ff) << 8) |
- ((v & 0xff00) >> 8)
- );
- #endif
- }
- static inline void swap_ehdr(Elf32_Ehdr *ehdr)
- {
- ehdr->e_type = swap16(ehdr->e_type);
- ehdr->e_machine = swap16(ehdr->e_machine);
- ehdr->e_version = swap32(ehdr->e_version);
- ehdr->e_entry = swap32(ehdr->e_entry);
- ehdr->e_phoff = swap32(ehdr->e_phoff);
- ehdr->e_shoff = swap32(ehdr->e_shoff);
- ehdr->e_flags = swap32(ehdr->e_flags);
- ehdr->e_ehsize = swap16(ehdr->e_ehsize);
- ehdr->e_phentsize = swap16(ehdr->e_phentsize);
- ehdr->e_phnum = swap16(ehdr->e_phnum);
- ehdr->e_shentsize = swap16(ehdr->e_shentsize);
- ehdr->e_shnum = swap16(ehdr->e_shnum);
- ehdr->e_shstrndx = swap16(ehdr->e_shstrndx);
- }
- #endif