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 
34 START_RELOC_NUMBERS (elf_arc_reloc_type)
35 #include "arc-reloc.def"
36 END_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