include/elf/i370.h

   1 /* i370 ELF support for BFD.
   2    Copyright (C) 2000-2023 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 /* This file holds definitions specific to the i370 ELF ABI.  Note
  22    that most of this is not actually implemented by BFD.  */
  23
  24 #ifndef _ELF_I370_H
  25 #define _ELF_I370_H
  26
  27 #include "elf/reloc-macros.h"
  28
  29 /* Processor specific section headers, sh_type field */
  30
  31 #define SHT_ORDERED             SHT_HIPROC      /* Link editor is to sort the \
  32                                                    entries in this section \
  33                                                    based on the address \
  34                                                    specified in the associated \
  35                                                    symbol table entry.  */
  36
  37 #define EF_I370_RELOCATABLE     0x00010000      /* i370 -mrelocatable flag */
  38 #define EF_I370_RELOCATABLE_LIB 0x00008000      /* i370 -mrelocatable-lib flag */
  39
  40 /* i370 relocations
  41    Note that there is really just one relocation that we currently
  42    support (and only one that we seem to need, at the moment), and
  43    that is the 31-bit address relocation.  Note that the 370/390
  44    only supports a 31-bit (2GB) address space.  */
  45
  46 START_RELOC_NUMBERS (i370_reloc_type)
  47   RELOC_NUMBER (R_I370_NONE,      0)
  48   RELOC_NUMBER (R_I370_ADDR31,    1)
  49   RELOC_NUMBER (R_I370_ADDR32,    2)
  50   RELOC_NUMBER (R_I370_ADDR16,    3)
  51   RELOC_NUMBER (R_I370_REL31,     4)
  52   RELOC_NUMBER (R_I370_REL32,     5)
  53   RELOC_NUMBER (R_I370_ADDR12,    6)
  54   RELOC_NUMBER (R_I370_REL12,     7)
  55   RELOC_NUMBER (R_I370_ADDR8,     8)
  56   RELOC_NUMBER (R_I370_REL8,      9)
  57   RELOC_NUMBER (R_I370_COPY,     10)
  58   RELOC_NUMBER (R_I370_RELATIVE, 11)
  59 END_RELOC_NUMBERS (R_I370_max)
  60
  61 #endif /* _ELF_I370_H */