Add linker relaxation support for the AVR
[deliverable/binutils-gdb.git] / include / elf / avr.h
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adde6300 1/* AVR ELF support for BFD.
750bce0e 2 Copyright 1999, 2000, 2004 Free Software Foundation, Inc.
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3 Contributed by Denis Chertykov <denisc@overta.ru>
4
750bce0e 5 This file is part of BFD, the Binary File Descriptor library.
adde6300 6
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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.
adde6300 11
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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.
adde6300 16
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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.,
e172dbf8 19 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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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
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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
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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
65aa24b6 37#define E_AVR_MACH_AVR5 5
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38
39/* Relocations. */
40START_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)
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60 RELOC_NUMBER (R_AVR_LDI, 19)
61 RELOC_NUMBER (R_AVR_6, 20)
62 RELOC_NUMBER (R_AVR_6_ADIW, 21)
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63 RELOC_NUMBER (R_AVR_MS8_LDI, 22)
64 RELOC_NUMBER (R_AVR_MS8_LDI_NEG, 23)
1b452ec6 65END_RELOC_NUMBERS (R_AVR_max)
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66
67#endif /* _ELF_AVR_H */
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