1/*
2 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
3 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
4 * Copyright (C) 2012 Regents of the University of California
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#ifndef _UAPI_ASM_RISCV_ELF_H
13#define _UAPI_ASM_RISCV_ELF_H
14
15#include <asm/ptrace.h>
16
17/* ELF register definitions */
18typedef unsigned long elf_greg_t;
19typedef struct user_regs_struct elf_gregset_t;
20#define ELF_NGREG (sizeof(elf_gregset_t) / sizeof(elf_greg_t))
21
22/* We don't support f without d, or q.  */
23typedef __u64 elf_fpreg_t;
24typedef union __riscv_fp_state elf_fpregset_t;
25#define ELF_NFPREG (sizeof(struct __riscv_d_ext_state) / sizeof(elf_fpreg_t))
26
27#if __riscv_xlen == 64
28#define ELF_RISCV_R_SYM(r_info)		ELF64_R_SYM(r_info)
29#define ELF_RISCV_R_TYPE(r_info)	ELF64_R_TYPE(r_info)
30#else
31#define ELF_RISCV_R_SYM(r_info)		ELF32_R_SYM(r_info)
32#define ELF_RISCV_R_TYPE(r_info)	ELF32_R_TYPE(r_info)
33#endif
34
35/*
36 * RISC-V relocation types
37 */
38
39/* Relocation types used by the dynamic linker */
40#define R_RISCV_NONE		0
41#define R_RISCV_32		1
42#define R_RISCV_64		2
43#define R_RISCV_RELATIVE	3
44#define R_RISCV_COPY		4
45#define R_RISCV_JUMP_SLOT	5
46#define R_RISCV_TLS_DTPMOD32	6
47#define R_RISCV_TLS_DTPMOD64	7
48#define R_RISCV_TLS_DTPREL32	8
49#define R_RISCV_TLS_DTPREL64	9
50#define R_RISCV_TLS_TPREL32	10
51#define R_RISCV_TLS_TPREL64	11
52#define R_RISCV_IRELATIVE	58
53
54/* Relocation types not used by the dynamic linker */
55#define R_RISCV_BRANCH		16
56#define R_RISCV_JAL		17
57#define R_RISCV_CALL		18
58#define R_RISCV_CALL_PLT	19
59#define R_RISCV_GOT_HI20	20
60#define R_RISCV_TLS_GOT_HI20	21
61#define R_RISCV_TLS_GD_HI20	22
62#define R_RISCV_PCREL_HI20	23
63#define R_RISCV_PCREL_LO12_I	24
64#define R_RISCV_PCREL_LO12_S	25
65#define R_RISCV_HI20		26
66#define R_RISCV_LO12_I		27
67#define R_RISCV_LO12_S		28
68#define R_RISCV_TPREL_HI20	29
69#define R_RISCV_TPREL_LO12_I	30
70#define R_RISCV_TPREL_LO12_S	31
71#define R_RISCV_TPREL_ADD	32
72#define R_RISCV_ADD8		33
73#define R_RISCV_ADD16		34
74#define R_RISCV_ADD32		35
75#define R_RISCV_ADD64		36
76#define R_RISCV_SUB8		37
77#define R_RISCV_SUB16		38
78#define R_RISCV_SUB32		39
79#define R_RISCV_SUB64		40
80#define R_RISCV_GNU_VTINHERIT	41
81#define R_RISCV_GNU_VTENTRY	42
82#define R_RISCV_ALIGN		43
83#define R_RISCV_RVC_BRANCH	44
84#define R_RISCV_RVC_JUMP	45
85#define R_RISCV_GPREL_I		47
86#define R_RISCV_GPREL_S		48
87#define R_RISCV_TPREL_I		49
88#define R_RISCV_TPREL_S		50
89#define R_RISCV_RELAX		51
90#define R_RISCV_SUB6		52
91#define R_RISCV_SET6		53
92#define R_RISCV_SET8		54
93#define R_RISCV_SET16		55
94#define R_RISCV_SET32		56
95#define R_RISCV_32_PCREL	57
96#define R_RISCV_PLT32		59
97#define R_RISCV_SET_ULEB128	60
98#define R_RISCV_SUB_ULEB128	61
99
100
101#endif /* _UAPI_ASM_RISCV_ELF_H */
102