LXR linux/arch/arc/include/asm/elf.h

   1/*
   2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 */
   8
   9#ifndef __ASM_ARC_ELF_H
  10#define __ASM_ARC_ELF_H
  11
  12#include <linux/types.h>
  13#include <uapi/asm/elf.h>
  14
  15/* These ELF defines belong to uapi but libc elf.h already defines them */
  16#define EM_ARCOMPACT            93
  17
  18/* ARC Relocations (kernel Modules only) */
  19#define  R_ARC_32               0x4
  20#define  R_ARC_32_ME            0x1B
  21#define  R_ARC_S25H_PCREL       0x10
  22#define  R_ARC_S25W_PCREL       0x11
  23
  24/*to set parameters in the core dumps */
  25#define ELF_ARCH                EM_ARCOMPACT
  26#define ELF_CLASS               ELFCLASS32
  27
  28#ifdef CONFIG_CPU_BIG_ENDIAN
  29#define ELF_DATA                ELFDATA2MSB
  30#else
  31#define ELF_DATA                ELFDATA2LSB
  32#endif
  33
  34/*
  35 * To ensure that
  36 *  -we don't load something for the wrong architecture.
  37 *  -The userspace is using the correct syscall ABI
  38 */
  39struct elf32_hdr;
  40extern int elf_check_arch(const struct elf32_hdr *);
  41#define elf_check_arch  elf_check_arch
  42
  43#define CORE_DUMP_USE_REGSET
  44
  45#define ELF_EXEC_PAGESIZE       PAGE_SIZE
  46
  47/*
  48 * This is the location that an ET_DYN program is loaded if exec'ed.  Typical
  49 * use of this is to invoke "./ld.so someprog" to test out a new version of
  50 * the loader.  We need to make sure that it is out of the way of the program
  51 * that it will "exec", and that there is sufficient room for the brk.
  52 */
  53#define ELF_ET_DYN_BASE         (2 * TASK_SIZE / 3)
  54
  55/*
  56 * When the program starts, a1 contains a pointer to a function to be
  57 * registered with atexit, as per the SVR4 ABI.  A value of 0 means we
  58 * have no such handler.
  59 */
  60#define ELF_PLAT_INIT(_r, load_addr)    ((_r)->r0 = 0)
  61
  62/*
  63 * This yields a mask that user programs can use to figure out what
  64 * instruction set this cpu supports.
  65 */
  66#define ELF_HWCAP       (0)
  67
  68/*
  69 * This yields a string that ld.so will use to load implementation
  70 * specific libraries for optimization.  This is more specific in
  71 * intent than poking at uname or /proc/cpuinfo.
  72 */
  73#define ELF_PLATFORM    (NULL)
  74
  75#endif
  76