arch/openrisc/include/uapi/asm/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_OR32_NONE     0
  38 #define R_OR32_32       1
  39 #define R_OR32_16       2
  40 #define R_OR32_8        3
  41 #define R_OR32_CONST    4
  42 #define R_OR32_CONSTH   5
  43 #define R_OR32_JUMPTARG 6
  44 #define R_OR32_VTINHERIT 7
  45 #define R_OR32_VTENTRY  8
  46
  47 typedef unsigned long elf_greg_t;
  48
  49 /*
  50  * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
  51  * thus exposed to user-space.
  52  */
  53 #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
  54 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  55
  56 /* A placeholder; OR32 does not have fp support yes, so no fp regs for now.  */
  57 typedef unsigned long elf_fpregset_t;
  58
  59 /* EM_OPENRISC is defined in linux/elf-em.h */
  60 #define EM_OR32         0x8472
  61
  62 /*
  63  * These are used to set parameters in the core dumps.
  64  */
  65 #define ELF_ARCH        EM_OR32
  66 #define ELF_CLASS       ELFCLASS32
  67 #define ELF_DATA        ELFDATA2MSB
  68
  69 #endif /* _UAPI__ASM_OPENRISC_ELF_H */