Blame view

kernel/linux-rt-4.4.41/arch/arc/include/asm/elf.h 2.17 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
  /*
   * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef __ASM_ARC_ELF_H
  #define __ASM_ARC_ELF_H
  
  #include <linux/types.h>
  #include <uapi/asm/elf.h>
  
  /* These ELF defines belong to uapi but libc elf.h already defines them */
  #define EM_ARCOMPACT		93
  
  #define EM_ARCV2		195	/* ARCv2 Cores */
  
  #define EM_ARC_INUSE		(IS_ENABLED(CONFIG_ISA_ARCOMPACT) ? \
  					EM_ARCOMPACT : EM_ARCV2)
  
  /* ARC Relocations (kernel Modules only) */
  #define  R_ARC_32		0x4
  #define  R_ARC_32_ME		0x1B
  #define  R_ARC_S25H_PCREL	0x10
  #define  R_ARC_S25W_PCREL	0x11
  
  /*to set parameters in the core dumps */
  #define ELF_ARCH		EM_ARCOMPACT
  #define ELF_CLASS		ELFCLASS32
  
  #ifdef CONFIG_CPU_BIG_ENDIAN
  #define ELF_DATA		ELFDATA2MSB
  #else
  #define ELF_DATA		ELFDATA2LSB
  #endif
  
  /*
   * To ensure that
   *  -we don't load something for the wrong architecture.
   *  -The userspace is using the correct syscall ABI
   */
  struct elf32_hdr;
  extern int elf_check_arch(const struct elf32_hdr *);
  #define elf_check_arch	elf_check_arch
  
  #define CORE_DUMP_USE_REGSET
  
  #define ELF_EXEC_PAGESIZE	PAGE_SIZE
  
  /*
   * This is the location that an ET_DYN program is loaded if exec'ed.  Typical
   * use of this is to invoke "./ld.so someprog" to test out a new version of
   * the loader.  We need to make sure that it is out of the way of the program
   * that it will "exec", and that there is sufficient room for the brk.
   */
  #define ELF_ET_DYN_BASE		(2 * TASK_SIZE / 3)
  
  /*
   * When the program starts, a1 contains a pointer to a function to be
   * registered with atexit, as per the SVR4 ABI.  A value of 0 means we
   * have no such handler.
   */
  #define ELF_PLAT_INIT(_r, load_addr)	((_r)->r0 = 0)
  
  /*
   * This yields a mask that user programs can use to figure out what
   * instruction set this cpu supports.
   */
  #define ELF_HWCAP	(0)
  
  /*
   * This yields a string that ld.so will use to load implementation
   * specific libraries for optimization.  This is more specific in
   * intent than poking at uname or /proc/cpuinfo.
   */
  #define ELF_PLATFORM	(NULL)
  
  #endif