xref: /openbmc/linux/arch/riscv/include/uapi/asm/elf.h (revision 6b57ba8e)
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 */
18 typedef unsigned long elf_greg_t;
19 typedef 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.  */
23 typedef __u64 elf_fpreg_t;
24 typedef 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 
53 /* Relocation types not used by the dynamic linker */
54 #define R_RISCV_BRANCH		16
55 #define R_RISCV_JAL		17
56 #define R_RISCV_CALL		18
57 #define R_RISCV_CALL_PLT	19
58 #define R_RISCV_GOT_HI20	20
59 #define R_RISCV_TLS_GOT_HI20	21
60 #define R_RISCV_TLS_GD_HI20	22
61 #define R_RISCV_PCREL_HI20	23
62 #define R_RISCV_PCREL_LO12_I	24
63 #define R_RISCV_PCREL_LO12_S	25
64 #define R_RISCV_HI20		26
65 #define R_RISCV_LO12_I		27
66 #define R_RISCV_LO12_S		28
67 #define R_RISCV_TPREL_HI20	29
68 #define R_RISCV_TPREL_LO12_I	30
69 #define R_RISCV_TPREL_LO12_S	31
70 #define R_RISCV_TPREL_ADD	32
71 #define R_RISCV_ADD8		33
72 #define R_RISCV_ADD16		34
73 #define R_RISCV_ADD32		35
74 #define R_RISCV_ADD64		36
75 #define R_RISCV_SUB8		37
76 #define R_RISCV_SUB16		38
77 #define R_RISCV_SUB32		39
78 #define R_RISCV_SUB64		40
79 #define R_RISCV_GNU_VTINHERIT	41
80 #define R_RISCV_GNU_VTENTRY	42
81 #define R_RISCV_ALIGN		43
82 #define R_RISCV_RVC_BRANCH	44
83 #define R_RISCV_RVC_JUMP	45
84 #define R_RISCV_LUI		46
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 
97 
98 #endif /* _UAPI_ASM_RISCV_ELF_H */
99