Commit | Line | Data |
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252b5132 | 1 | /* ARC ELF support for BFD. |
82704155 | 2 | Copyright (C) 1995-2019 Free Software Foundation, Inc. |
252b5132 RH |
3 | Contributed by Doug Evans, (dje@cygnus.com) |
4 | ||
e4e42b45 | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
e4e42b45 NC |
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. | |
252b5132 | 11 | |
e4e42b45 NC |
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. | |
252b5132 | 16 | |
e4e42b45 NC |
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. */ | |
252b5132 RH |
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. */ | |
0d2bcfaf | 30 | |
886a2506 NC |
31 | #define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \ |
32 | RELOC_NUMBER(R_##TYPE, VALUE) | |
33 | ||
252b5132 | 34 | START_RELOC_NUMBERS (elf_arc_reloc_type) |
886a2506 | 35 | #include "arc-reloc.def" |
1b452ec6 | 36 | END_RELOC_NUMBERS (R_ARC_max) |
252b5132 | 37 | |
886a2506 NC |
38 | #undef ARC_RELOC_HOWTO |
39 | ||
252b5132 RH |
40 | /* Processor specific flags for the ELF header e_flags field. */ |
41 | ||
886a2506 NC |
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 | ||
a9522a21 AB |
46 | /* Various CPU types. These numbers are exposed in the ELF header flags |
47 | (e_flags field), and so must never change. */ | |
886a2506 NC |
48 | #define E_ARC_MACH_ARC600 0x00000002 |
49 | #define E_ARC_MACH_ARC601 0x00000004 | |
50 | #define E_ARC_MACH_ARC700 0x00000003 | |
886a2506 NC |
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 | |
53a346d8 CZ |
58 | #define E_ARC_OSABI_V4 0x00000400 |
59 | #define E_ARC_OSABI_CURRENT E_ARC_OSABI_V4 | |
0d2bcfaf | 60 | /* Leave bits 0xf0 alone in case we ever have more than 16 cpu types. */ |
252b5132 RH |
61 | |
62 | /* File contains position independent code. */ | |
0d2bcfaf NC |
63 | |
64 | #define EF_ARC_PIC 0x00000100 | |
252b5132 | 65 | |
53a346d8 CZ |
66 | /* Additional section types. */ |
67 | #define SHT_ARC_ATTRIBUTES 0x70000001 /* Section holds attributes. */ | |
68 | ||
69 | /* ARC ABI object attributes. */ | |
70 | enum { | |
71 | /* 0-3 are generic. */ | |
72 | Tag_ARC_PCS_config = 4, | |
73 | Tag_ARC_CPU_base, | |
74 | Tag_ARC_CPU_variation, | |
75 | Tag_ARC_CPU_name, | |
76 | Tag_ARC_ABI_rf16, | |
77 | Tag_ARC_ABI_osver, | |
78 | Tag_ARC_ABI_sda, | |
79 | Tag_ARC_ABI_pic, | |
80 | Tag_ARC_ABI_tls, | |
81 | Tag_ARC_ABI_enumsize, | |
82 | Tag_ARC_ABI_exceptions, | |
83 | Tag_ARC_ABI_double_size, | |
84 | Tag_ARC_ISA_config, | |
85 | Tag_ARC_ISA_apex, | |
db1e1b45 | 86 | Tag_ARC_ISA_mpy_option, |
87 | Tag_ARC_ATR_version = 20 | |
53a346d8 CZ |
88 | }; |
89 | ||
90 | /* Values for the Tag_ARC_cpu_base attribute. */ | |
91 | #define TAG_CPU_NONE 0 | |
92 | #define TAG_CPU_ARC6xx 1 | |
93 | #define TAG_CPU_ARC7xx 2 | |
94 | #define TAG_CPU_ARCEM 3 | |
95 | #define TAG_CPU_ARCHS 4 | |
96 | ||
252b5132 | 97 | #endif /* _ELF_ARC_H */ |