1 /* i370 ELF support for BFD.
2 Copyright 2000, 2002 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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, MA 02110-1301, USA. */
20 /* This file holds definitions specific to the i370 ELF ABI. Note
21 that most of this is not actually implemented by BFD. */
26 #include "elf/reloc-macros.h"
28 /* Processor specific section headers, sh_type field */
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. */
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 */
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 \
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. */
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)
68 #endif /* _ELF_I370_H */