elf.h

  1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
  2/*
  3 * OpenRISC Linux
  4 *
  5 * Linux architectural port borrowing liberally from similar works of
  6 * others.  All original copyrights apply as per the original source
  7 * declaration.
  8 *
  9 * OpenRISC implementation:
 10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
 11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 12 * et al.
 13 *
 14 * This program is free software; you can redistribute it and/or modify
 15 * it under the terms of the GNU General Public License as published by
 16 * the Free Software Foundation; either version 2 of the License, or
 17 * (at your option) any later version.
 18 */
 19
 20#ifndef _UAPI__ASM_OPENRISC_ELF_H
 21#define _UAPI__ASM_OPENRISC_ELF_H
 22
 23/*
 24 * This files is partially exported to userspace.  This allows us to keep
 25 * the ELF bits in one place which should assist in keeping the kernel and
 26 * userspace in sync.
 27 */
 28
 29/*
 30 * ELF register definitions..
 31 */
 32
 33/* for struct user_regs_struct definition */
 34#include <asm/ptrace.h>
 35
 36/* The OR1K relocation types... not all relevant for module loader */
 37#define R_OR1K_NONE		0
 38#define R_OR1K_32		1
 39#define R_OR1K_16		2
 40#define R_OR1K_8		3
 41#define R_OR1K_LO_16_IN_INSN	4
 42#define R_OR1K_HI_16_IN_INSN	5
 43#define R_OR1K_INSN_REL_26	6
 44#define R_OR1K_GNU_VTENTRY	7
 45#define R_OR1K_GNU_VTINHERIT	8
 46#define R_OR1K_32_PCREL		9
 47#define R_OR1K_16_PCREL		10
 48#define R_OR1K_8_PCREL		11
 49#define R_OR1K_GOTPC_HI16	12
 50#define R_OR1K_GOTPC_LO16	13
 51#define R_OR1K_GOT16		14
 52#define R_OR1K_PLT26		15
 53#define R_OR1K_GOTOFF_HI16	16
 54#define R_OR1K_GOTOFF_LO16	17
 55#define R_OR1K_COPY		18
 56#define R_OR1K_GLOB_DAT		19
 57#define R_OR1K_JMP_SLOT		20
 58#define R_OR1K_RELATIVE		21
 59#define R_OR1K_TLS_GD_HI16	22
 60#define R_OR1K_TLS_GD_LO16	23
 61#define R_OR1K_TLS_LDM_HI16	24
 62#define R_OR1K_TLS_LDM_LO16	25
 63#define R_OR1K_TLS_LDO_HI16	26
 64#define R_OR1K_TLS_LDO_LO16	27
 65#define R_OR1K_TLS_IE_HI16	28
 66#define R_OR1K_TLS_IE_LO16	29
 67#define R_OR1K_TLS_LE_HI16	30
 68#define R_OR1K_TLS_LE_LO16	31
 69#define R_OR1K_TLS_TPOFF	32
 70#define R_OR1K_TLS_DTPOFF	33
 71#define R_OR1K_TLS_DTPMOD	34
 72#define R_OR1K_AHI16		35
 73#define R_OR1K_GOTOFF_AHI16	36
 74#define R_OR1K_TLS_IE_AHI16	37
 75#define R_OR1K_TLS_LE_AHI16	38
 76#define R_OR1K_SLO16		39
 77#define R_OR1K_GOTOFF_SLO16	40
 78#define R_OR1K_TLS_LE_SLO16	41
 79#define R_OR1K_PCREL_PG21	42
 80#define R_OR1K_GOT_PG21		43
 81#define R_OR1K_TLS_GD_PG21	44
 82#define R_OR1K_TLS_LDM_PG21	45
 83#define R_OR1K_TLS_IE_PG21	46
 84#define R_OR1K_LO13		47
 85#define R_OR1K_GOT_LO13		48
 86#define R_OR1K_TLS_GD_LO13	49
 87#define R_OR1K_TLS_LDM_LO13	50
 88#define R_OR1K_TLS_IE_LO13	51
 89#define R_OR1K_SLO13		52
 90#define R_OR1K_PLTA26		53
 91#define R_OR1K_GOT_AHI16	54
 92
 93/* Old relocation names */
 94#define R_OR32_NONE	R_OR1K_NONE
 95#define R_OR32_32	R_OR1K_32
 96#define R_OR32_16	R_OR1K_16
 97#define R_OR32_8	R_OR1K_8
 98#define R_OR32_CONST	R_OR1K_LO_16_IN_INSN
 99#define R_OR32_CONSTH	R_OR1K_HI_16_IN_INSN
100#define R_OR32_JUMPTARG	R_OR1K_INSN_REL_26
101#define R_OR32_VTENTRY	R_OR1K_GNU_VTENTRY
102#define R_OR32_VTINHERIT R_OR1K_GNU_VTINHERIT
103
104typedef unsigned long elf_greg_t;
105
106/*
107 * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
108 * thus exposed to user-space.
109 */
110#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
111typedef elf_greg_t elf_gregset_t[ELF_NGREG];
112
113typedef struct __or1k_fpu_state elf_fpregset_t;
114
115/* EM_OPENRISC is defined in linux/elf-em.h */
116#define EM_OR32         0x8472
117
118/*
119 * These are used to set parameters in the core dumps.
120 */
121#define ELF_ARCH	EM_OR32
122#define ELF_CLASS	ELFCLASS32
123#define ELF_DATA	ELFDATA2MSB
124
125#endif /* _UAPI__ASM_OPENRISC_ELF_H */