include/elf/i370.h

   1 /* i370 ELF support for BFD.
   2    Copyright 2000, 2002 Free Software Foundation, Inc.
   3
   4 This file is part of BFD, the Binary File Descriptor library.
   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 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 /* This file holds definitions specific to the i370 ELF ABI.  Note
  21    that most of this is not actually implemented by BFD.  */
  22
  23 #ifndef _ELF_I370_H
  24 #define _ELF_I370_H
  25
  26 #include "elf/reloc-macros.h"
  27
  28 /* Processor specific section headers, sh_type field */
  29
  30 #define SHT_ORDERED             SHT_HIPROC      /* Link editor is to sort the \
  31                                                    entries in this section \
  32                                                    based on the address \
  33                                                    specified in the associated \
  34                                                    symbol table entry.  */
  35
  36 #define EF_I370_RELOCATABLE     0x00010000      /* i370 -mrelocatable flag */
  37 #define EF_I370_RELOCATABLE_LIB 0x00008000      /* i370 -mrelocatable-lib flag */
  38 /* Processor specific section flags, sh_flags field */
  39
  40 #define SHF_EXCLUDE             0x80000000      /* Link editor is to exclude \
  41                                                    this section from executable \
  42                                                    and shared objects that it \
  43                                                    builds when those objects \
  44                                                    are not to be furhter \
  45                                                    relocated.  */
  46
  47 /* i370 relocations
  48    Note that there is really just one relocation that we currently
  49    support (and only one that we seem to need, at the moment), and
  50    that is the 31-bit address relocation.  Note that the 370/390
  51    only supports a 31-bit (2GB) address space.  */
  52
  53 START_RELOC_NUMBERS (i370_reloc_type)
  54   RELOC_NUMBER (R_I370_NONE,      0)
  55   RELOC_NUMBER (R_I370_ADDR31,    1)
  56   RELOC_NUMBER (R_I370_ADDR32,    2)
  57   RELOC_NUMBER (R_I370_ADDR16,    3)
  58   RELOC_NUMBER (R_I370_REL31,     4)
  59   RELOC_NUMBER (R_I370_REL32,     5)
  60   RELOC_NUMBER (R_I370_ADDR12,    6)
  61   RELOC_NUMBER (R_I370_REL12,     7)
  62   RELOC_NUMBER (R_I370_ADDR8,     8)
  63   RELOC_NUMBER (R_I370_REL8,      9)
  64   RELOC_NUMBER (R_I370_COPY,     10)
  65   RELOC_NUMBER (R_I370_RELATIVE, 11)
  66 END_RELOC_NUMBERS (R_I370_max)
  67
  68 #endif /* _ELF_I370_H */