1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2/*
3 * OpenRISC Linux
4 *
5 * Linux architectural port borrowing liberally from similar works of
6 * others.  All original copyrights apply as per the original source
7 * declaration.
8 *
9 * OpenRISC implementation:
10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
12 * et al.
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 */
19
20#ifndef _UAPI__ASM_OPENRISC_ELF_H
21#define _UAPI__ASM_OPENRISC_ELF_H
22
23/*
24 * This files is partially exported to userspace.  This allows us to keep
25 * the ELF bits in one place which should assist in keeping the kernel and
26 * userspace in sync.
27 */
28
29/*
30 * ELF register definitions..
31 */
32
33/* for struct user_regs_struct definition */
34#include <asm/ptrace.h>
35
36/* The OR1K relocation types... not all relevant for module loader */
37#define R_OR32_NONE	0
38#define R_OR32_32	1
39#define R_OR32_16	2
40#define R_OR32_8	3
41#define R_OR32_CONST	4
42#define R_OR32_CONSTH	5
43#define R_OR32_JUMPTARG	6
44#define R_OR32_VTINHERIT 7
45#define R_OR32_VTENTRY	8
46
47typedef unsigned long elf_greg_t;
48
49/*
50 * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
51 * thus exposed to user-space.
52 */
53#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
54typedef elf_greg_t elf_gregset_t[ELF_NGREG];
55
56typedef struct __or1k_fpu_state 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