/*
* OpenRISC Linux
*
* Linux architectural port borrowing liberally from similar works of
* others. All original copyrights apply as per the original source
* declaration.
*
* OpenRISC implementation:
* Copyright (C) 2003 Matjaz Breskvar <[email protected]>
* Copyright (C) 2010-2011 Jonas Bonn <[email protected]>
* et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/

#ifndef _UAPI__ASM_OPENRISC_ELF_H
#define _UAPI__ASM_OPENRISC_ELF_H

/*
* This files is partially exported to userspace. This allows us to keep
* the ELF bits in one place which should assist in keeping the kernel and
* userspace in sync.
*/

/*
* ELF register definitions..
*/

/* for struct user_regs_struct definition */
#include <asm/ptrace.h>

/* The OR1K relocation types... not all relevant for module loader */
#define R_OR32_NONE 0
#define R_OR32_32 1
#define R_OR32_16 2
#define R_OR32_8 3
#define R_OR32_CONST 4
#define R_OR32_CONSTH 5
#define R_OR32_JUMPTARG 6
#define R_OR32_VTINHERIT 7
#define R_OR32_VTENTRY 8

typedef unsigned long elf_greg_t;

/*
* Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
* thus exposed to user-space.
*/
#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

/* A placeholder; OR32 does not have fp support yes, so no fp regs for now. */
typedef unsigned long elf_fpregset_t;

/* This should be moved to include/linux/elf.h */
#define EM_OR32 0x8472
#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */

/*
* These are used to set parameters in the core dumps.
*/
#define ELF_ARCH EM_OR32
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2MSB

#endif /* _UAPI__ASM_OPENRISC_ELF_H */