1/* i370 ELF support for BFD.
2   Copyright 2000, 2002 Free Software Foundation, Inc.
3
4This file is part of BFD, the Binary File Descriptor library.
5
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software
18Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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
53START_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)
66END_RELOC_NUMBERS (R_I370_max)
67
68#endif /* _ELF_I370_H */
69