Linux Kernel  3.7.1
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elf.h
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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 <[email protected]>
10  * Copyright (C) 2010-2011 Jonas Bonn <[email protected]>
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))
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 /* This should be moved to include/linux/elf.h */
59 #define EM_OR32 0x8472
60 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
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 */