arch/openrisc/include/uapi/asm/elf.h

   1 /*
   2  * OpenRISC Linux
   3  *
   4  * Linux architectural port borrowing liberally from similar works of
   5  * others.  All original copyrights apply as per the original source
   6  * declaration.
   7  *
   8  * OpenRISC implementation:
   9  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  10  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  11  * et al.
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  */
  18
  19 #ifndef _UAPI__ASM_OPENRISC_ELF_H
  20 #define _UAPI__ASM_OPENRISC_ELF_H
  21
  22 /*
  23  * This files is partially exported to userspace.  This allows us to keep
  24  * the ELF bits in one place which should assist in keeping the kernel and
  25  * userspace in sync.
  26  */
  27
  28 /*
  29  * ELF register definitions..
  30  */
  31
  32 /* for struct user_regs_struct definition */
  33 #include <asm/ptrace.h>
  34
  35 /* The OR1K relocation types... not all relevant for module loader */
  36 #define R_OR32_NONE     0
  37 #define R_OR32_32       1
  38 #define R_OR32_16       2
  39 #define R_OR32_8        3
  40 #define R_OR32_CONST    4
  41 #define R_OR32_CONSTH   5
  42 #define R_OR32_JUMPTARG 6
  43 #define R_OR32_VTINHERIT 7
  44 #define R_OR32_VTENTRY  8
  45
  46 typedef unsigned long elf_greg_t;
  47
  48 /*
  49  * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
  50  * thus exposed to user-space.
  51  */
  52 #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
  53 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  54
  55 /* A placeholder; OR32 does not have fp support yes, so no fp regs for now.  */
  56 typedef unsigned long elf_fpregset_t;
  57
  58 /* This should be moved to include/linux/elf.h */
  59 #define EM_OR32         0x8472
  60 #define EM_OPENRISC     92     /* OpenRISC 32-bit embedded processor */
  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 */