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 _ASM_RISCV_ELF_H
 13#define _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 /* _ASM_RISCV_ELF_H */