1/*
2 * OpenRISC Linux
3 *
4 * Linux architectural port borrowing liberally from similar works of
5 * others.  All original copyrights apply as per the original source
6 * declaration.
7 *
8 * OpenRISC implementation:
9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 * et al.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 */
18
19#ifndef _UAPI__ASM_OPENRISC_ELF_H
20#define _UAPI__ASM_OPENRISC_ELF_H
21
22/*
23 * This files is partially exported to userspace.  This allows us to keep
24 * the ELF bits in one place which should assist in keeping the kernel and
25 * userspace in sync.
26 */
27
28/*
29 * ELF register definitions..
30 */
31
32/* for struct user_regs_struct definition */
33#include <asm/ptrace.h>
34
35/* The OR1K relocation types... not all relevant for module loader */
36#define R_OR32_NONE	0
37#define R_OR32_32	1
38#define R_OR32_16	2
39#define R_OR32_8	3
40#define R_OR32_CONST	4
41#define R_OR32_CONSTH	5
42#define R_OR32_JUMPTARG	6
43#define R_OR32_VTINHERIT 7
44#define R_OR32_VTENTRY	8
45
46typedef unsigned long elf_greg_t;
47
48/*
49 * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
50 * thus exposed to user-space.
51 */
52#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
53typedef elf_greg_t elf_gregset_t[ELF_NGREG];
54
55/* A placeholder; OR32 does not have fp support yes, so no fp regs for now.  */
56typedef unsigned long elf_fpregset_t;
57
58/* EM_OPENRISC is defined in linux/elf-em.h */
59#define EM_OR32         0x8472
60
61/*
62 * These are used to set parameters in the core dumps.
63 */
64#define ELF_ARCH	EM_OR32
65#define ELF_CLASS	ELFCLASS32
66#define ELF_DATA	ELFDATA2MSB
67
68#endif /* _UAPI__ASM_OPENRISC_ELF_H */
69