arc.h revision 1.6 
1/* ARC ELF support for BFD.
2   Copyright (C) 1995-2016 Free Software Foundation, Inc.
3   Contributed by Doug Evans, (dje@cygnus.com)
4
5   This file is part of BFD, the Binary File Descriptor library.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software
19   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20   MA 02110-1301, USA.  */
21
22/* This file holds definitions specific to the ARC ELF ABI.  */
23
24#ifndef _ELF_ARC_H
25#define _ELF_ARC_H
26
27#include "elf/reloc-macros.h"
28
29/* Relocations.  */
30
31#define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \
32  RELOC_NUMBER(R_##TYPE, VALUE)
33
34START_RELOC_NUMBERS (elf_arc_reloc_type)
35#include "arc-reloc.def"
36END_RELOC_NUMBERS (R_ARC_max)
37
38#undef ARC_RELOC_HOWTO
39
40/* Processor specific flags for the ELF header e_flags field.  */
41
42#define EF_ARC_MACH_MSK	 0x000000ff
43#define EF_ARC_OSABI_MSK 0x00000f00
44#define EF_ARC_ALL_MSK	 (EF_ARC_MACH_MSK | EF_ARC_OSABI_MSK)
45
46/* Various CPU types.  These numbers are exposed in the ELF header flags
47   (e_flags field), and so must never change.  */
48#define E_ARC_MACH_ARC600	0x00000002
49#define E_ARC_MACH_ARC601	0x00000004
50#define E_ARC_MACH_ARC700	0x00000003
51#define EF_ARC_CPU_ARCV2EM      0x00000005
52#define EF_ARC_CPU_ARCV2HS      0x00000006
53
54/* ARC Linux specific ABIs.  */
55#define E_ARC_OSABI_ORIG	0x00000000   /* MUST be 0 for back-compat.  */
56#define E_ARC_OSABI_V2		0x00000200
57#define E_ARC_OSABI_V3		0x00000300
58#define E_ARC_OSABI_CURRENT	E_ARC_OSABI_V3
59
60/* Leave bits 0xf0 alone in case we ever have more than 16 cpu types.  */
61
62/* File contains position independent code.  */
63
64#define EF_ARC_PIC 0x00000100
65
66#endif /* _ELF_ARC_H */
67