xref: /linux/arch/openrisc/include/uapi/asm/elf.h (revision be709d48329a500621d2a05835283150ae137b45)
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 
47 typedef 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))
54 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
55 
56 /* A placeholder; OR32 does not have fp support yes, so no fp regs for now.  */
57 typedef unsigned long elf_fpregset_t;
58 
59 /* EM_OPENRISC is defined in linux/elf-em.h */
60 #define EM_OR32         0x8472
61 
62 /*
63  * These are used to set parameters in the core dumps.
64  */
65 #define ELF_ARCH	EM_OR32
66 #define ELF_CLASS	ELFCLASS32
67 #define ELF_DATA	ELFDATA2MSB
68 
69 #endif /* _UAPI__ASM_OPENRISC_ELF_H */
70