Add linker relaxation support for the AVR
[deliverable/binutils-gdb.git] / include / elf / avr.h
1 /* AVR ELF support for BFD.
2 Copyright 1999, 2000, 2004 Free Software Foundation, Inc.
3 Contributed by Denis Chertykov <denisc@overta.ru>
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 2 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 Foundation, Inc.,
19 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
20
21 #ifndef _ELF_AVR_H
22 #define _ELF_AVR_H
23
24 #include "elf/reloc-macros.h"
25
26 /* Processor specific flags for the ELF header e_flags field. */
27 #define EF_AVR_MACH 0xf
28
29 /* If bit #7 is set, it is assumed that the elf file uses local symbols
30 as reference for the relocations so that linker relaxation is possible. */
31 #define EF_AVR_LINKRELAX_PREPARED 0x80
32
33 #define E_AVR_MACH_AVR1 1
34 #define E_AVR_MACH_AVR2 2
35 #define E_AVR_MACH_AVR3 3
36 #define E_AVR_MACH_AVR4 4
37 #define E_AVR_MACH_AVR5 5
38
39 /* Relocations. */
40 START_RELOC_NUMBERS (elf_avr_reloc_type)
41 RELOC_NUMBER (R_AVR_NONE, 0)
42 RELOC_NUMBER (R_AVR_32, 1)
43 RELOC_NUMBER (R_AVR_7_PCREL, 2)
44 RELOC_NUMBER (R_AVR_13_PCREL, 3)
45 RELOC_NUMBER (R_AVR_16, 4)
46 RELOC_NUMBER (R_AVR_16_PM, 5)
47 RELOC_NUMBER (R_AVR_LO8_LDI, 6)
48 RELOC_NUMBER (R_AVR_HI8_LDI, 7)
49 RELOC_NUMBER (R_AVR_HH8_LDI, 8)
50 RELOC_NUMBER (R_AVR_LO8_LDI_NEG, 9)
51 RELOC_NUMBER (R_AVR_HI8_LDI_NEG, 10)
52 RELOC_NUMBER (R_AVR_HH8_LDI_NEG, 11)
53 RELOC_NUMBER (R_AVR_LO8_LDI_PM, 12)
54 RELOC_NUMBER (R_AVR_HI8_LDI_PM, 13)
55 RELOC_NUMBER (R_AVR_HH8_LDI_PM, 14)
56 RELOC_NUMBER (R_AVR_LO8_LDI_PM_NEG, 15)
57 RELOC_NUMBER (R_AVR_HI8_LDI_PM_NEG, 16)
58 RELOC_NUMBER (R_AVR_HH8_LDI_PM_NEG, 17)
59 RELOC_NUMBER (R_AVR_CALL, 18)
60 RELOC_NUMBER (R_AVR_LDI, 19)
61 RELOC_NUMBER (R_AVR_6, 20)
62 RELOC_NUMBER (R_AVR_6_ADIW, 21)
63 RELOC_NUMBER (R_AVR_MS8_LDI, 22)
64 RELOC_NUMBER (R_AVR_MS8_LDI_NEG, 23)
65 END_RELOC_NUMBERS (R_AVR_max)
66
67 #endif /* _ELF_AVR_H */
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