linux-imx

/*

 * 32-bit compatibility support for ELF format executables and core dumps.

 *

 * Copyright (C) 2007 Red Hat, Inc.  All rights reserved.

 *

 * This copyrighted material is made available to anyone wishing to use,

 * modify, copy, or redistribute it subject to the terms and conditions

 * of the GNU General Public License v.2.

 *

 * Red Hat Author: Roland McGrath.

 *

 * This file is used in a 64-bit kernel that wants to support 32-bit ELF.

 * asm/elf.h is responsible for defining the compat_* and COMPAT_* macros

 * used below, with definitions appropriate for 32-bit ABI compatibility.

 *

 * We use macros to rename the ABI types and machine-dependent

 * functions used in binfmt_elf.c to compat versions.

 */

​

#include <linux/elfcore-compat.h>

#include <linux/time.h>

​

/*

 * Rename the basic ELF layout types to refer to the 32-bit class of files.

 */

#undef  ELF_CLASS

#define ELF_CLASS   ELFCLASS32

​

#undef  elfhdr

#undef  elf_phdr

#undef  elf_shdr

#undef  elf_note

#undef  elf_addr_t

#define elfhdr      elf32_hdr

#define elf_phdr    elf32_phdr

#define elf_shdr    elf32_shdr

#define elf_note    elf32_note

#define elf_addr_t  Elf32_Addr

​

/*

 * Some data types as stored in coredump.

 */

#define user_long_t     compat_long_t

#define user_siginfo_t      compat_siginfo_t

#define copy_siginfo_to_user    copy_siginfo_to_user32

​

/*

 * The machine-dependent core note format types are defined in elfcore-compat.h,

 * which requires asm/elf.h to define compat_elf_gregset_t et al.

 */

#define elf_prstatus    compat_elf_prstatus

#define elf_prpsinfo    compat_elf_prpsinfo

​

#undef ns_to_timeval

#define ns_to_timeval ns_to_old_timeval32

​

/*

 * To use this file, asm/elf.h must define compat_elf_check_arch.

 * The other following macros can be defined if the compat versions

 * differ from the native ones, or omitted when they match.

 */

​

#undef  ELF_ARCH