xref: /openbmc/linux/arch/openrisc/include/uapi/asm/elf.h (revision 90a53e44)
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 
46 typedef 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))
53 typedef 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.  */
56 typedef 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