macros.h

//===------------------------------------------------------------*- C++ -*-===//
//
//                     Created by F8LEFT on 2017/6/28.
//                   Copyright (c) 2017. All rights reserved.
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//

#ifndef FAOATDUMP_EXELF_H
#define FAOATDUMP_EXELF_H

#include "elf.h"

#ifndef __SO64__
typedef Elf32_Ehdr Elf_Ehdr;
typedef Elf32_Phdr Elf_Phdr;
typedef Elf32_Shdr Elf_Shdr;
typedef Elf32_Sym Elf_Sym;
typedef Elf32_Dyn Elf_Dym;
typedef Elf32_Rel Elf_Rel;
typedef Elf32_Rela Elf_Rela;
typedef Elf32_Addr Elf_Addr;
typedef Elf32_Dyn Elf_Dyn;
typedef Elf32_Word Elf_Word;
#else
typedef Elf64_Ehdr Elf_Ehdr;
typedef Elf64_Phdr Elf_Phdr;
typedef Elf64_Shdr Elf_Shdr;
typedef Elf64_Sym Elf_Sym;
typedef Elf64_Dyn Elf_Dym;
typedef Elf64_Rel Elf_Rel;
typedef Elf64_Rela Elf_Rela;
typedef Elf64_Addr Elf_Addr;
typedef Elf64_Dyn Elf_Dyn;
typedef Elf64_Word Elf_Word;
#endif

#ifndef PAGE_SIZE
#define PAGE_SIZE 0x1000

#define PAGE_MASK (~(PAGE_SIZE-1))
// Returns the address of the page containing address 'x'.
#define PAGE_START(x)  ((x) & PAGE_MASK)

// Returns the offset of address 'x' in its page.
#define PAGE_OFFSET(x) ((x) & ~PAGE_MASK)

// Returns the address of the next page after address 'x', unless 'x' is
// itself at the start of a page.
#define PAGE_END(x)    PAGE_START((x) + (PAGE_SIZE-1))
#endif

#ifndef TEMP_FAILURE_RETRY
#define TEMP_FAILURE_RETRY(expression) \
  (__extension__\
   ({ long int __result;\
       do __result = (long int)(expression);\
       while(__result == -1L&& errno == EINTR);\
       __result;}))
#endif


#endif //FAOATDUMP_EXELF_H