Linux kernel mirror (for testing)
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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#define EM_ARCV2 195 /* ARCv2 Cores */
19
20#define EM_ARC_INUSE (IS_ENABLED(CONFIG_ISA_ARCOMPACT) ? \
21 EM_ARCOMPACT : EM_ARCV2)
22
23/* ARC Relocations (kernel Modules only) */
24#define R_ARC_32 0x4
25#define R_ARC_32_ME 0x1B
26#define R_ARC_S25H_PCREL 0x10
27#define R_ARC_S25W_PCREL 0x11
28
29/*to set parameters in the core dumps */
30#define ELF_ARCH EM_ARCOMPACT
31#define ELF_CLASS ELFCLASS32
32
33#ifdef CONFIG_CPU_BIG_ENDIAN
34#define ELF_DATA ELFDATA2MSB
35#else
36#define ELF_DATA ELFDATA2LSB
37#endif
38
39/*
40 * To ensure that
41 * -we don't load something for the wrong architecture.
42 * -The userspace is using the correct syscall ABI
43 */
44struct elf32_hdr;
45extern int elf_check_arch(const struct elf32_hdr *);
46#define elf_check_arch elf_check_arch
47
48#define CORE_DUMP_USE_REGSET
49
50#define ELF_EXEC_PAGESIZE PAGE_SIZE
51
52/*
53 * This is the location that an ET_DYN program is loaded if exec'ed. Typical
54 * use of this is to invoke "./ld.so someprog" to test out a new version of
55 * the loader. We need to make sure that it is out of the way of the program
56 * that it will "exec", and that there is sufficient room for the brk.
57 */
58#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
59
60/*
61 * When the program starts, a1 contains a pointer to a function to be
62 * registered with atexit, as per the SVR4 ABI. A value of 0 means we
63 * have no such handler.
64 */
65#define ELF_PLAT_INIT(_r, load_addr) ((_r)->r0 = 0)
66
67/*
68 * This yields a mask that user programs can use to figure out what
69 * instruction set this cpu supports.
70 */
71#define ELF_HWCAP (0)
72
73/*
74 * This yields a string that ld.so will use to load implementation
75 * specific libraries for optimization. This is more specific in
76 * intent than poking at uname or /proc/cpuinfo.
77 */
78#define ELF_PLATFORM (NULL)
79
80#endif