Branch data Line data Source code
1 : : /* Initialization of AArch64 specific backend library.
2 : : Copyright (C) 2013, 2017 Red Hat, Inc.
3 : : This file is part of elfutils.
4 : :
5 : : This file is free software; you can redistribute it and/or modify
6 : : it under the terms of either
7 : :
8 : : * the GNU Lesser General Public License as published by the Free
9 : : Software Foundation; either version 3 of the License, or (at
10 : : your option) any later version
11 : :
12 : : or
13 : :
14 : : * the GNU General Public License as published by the Free
15 : : Software Foundation; either version 2 of the License, or (at
16 : : your option) any later version
17 : :
18 : : or both in parallel, as here.
19 : :
20 : : elfutils is distributed in the hope that it will be useful, but
21 : : WITHOUT ANY WARRANTY; without even the implied warranty of
22 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 : : General Public License for more details.
24 : :
25 : : You should have received copies of the GNU General Public License and
26 : : the GNU Lesser General Public License along with this program. If
27 : : not, see <http://www.gnu.org/licenses/>. */
28 : :
29 : : #ifdef HAVE_CONFIG_H
30 : : # include <config.h>
31 : : #endif
32 : :
33 : : #define BACKEND aarch64_
34 : : #define RELOC_PREFIX R_AARCH64_
35 : : #include "libebl_CPU.h"
36 : :
37 : : /* This defines the common reloc hooks based on aarch64_reloc.def. */
38 : : #include "common-reloc.c"
39 : :
40 : :
41 : : Ebl *
42 : 33 : aarch64_init (Elf *elf __attribute__ ((unused)),
43 : : GElf_Half machine __attribute__ ((unused)),
44 : : Ebl *eh)
45 : : {
46 : : /* We handle it. */
47 : 66 : aarch64_init_reloc (eh);
48 : 33 : HOOK (eh, register_info);
49 : 33 : HOOK (eh, core_note);
50 : 33 : HOOK (eh, reloc_simple_type);
51 : 33 : HOOK (eh, return_value_location);
52 : 33 : HOOK (eh, check_special_symbol);
53 : 33 : HOOK (eh, dynamic_tag_name);
54 : 33 : HOOK (eh, dynamic_tag_check);
55 : 33 : HOOK (eh, data_marker_symbol);
56 : 33 : HOOK (eh, abi_cfi);
57 : :
58 : : /* X0-X30 (31 regs) + SP + 1 Reserved + ELR, 30 Reserved regs (34-43)
59 : : + V0-V31 (32 regs, least significant 64 bits only)
60 : : + ALT_FRAME_RETURN_COLUMN (used when LR isn't used) = 97 DWARF regs. */
61 : 33 : eh->frame_nregs = 97;
62 : 33 : HOOK (eh, set_initial_registers_tid);
63 : 33 : HOOK (eh, unwind);
64 : :
65 : 33 : return eh;
66 : : }
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