1 /* Initialization of Arm specific backend library.
2 Copyright (C) 2002, 2005, 2009, 2013, 2014, 2015, 2017 Red Hat, Inc.
3 This file is part of elfutils.
4 Written by Ulrich Drepper <drepper@redhat.com>, 2002.
5
6 This file is free software; you can redistribute it and/or modify
7 it under the terms of either
8
9 * the GNU Lesser General Public License as published by the Free
10 Software Foundation; either version 3 of the License, or (at
11 your option) any later version
12
13 or
14
15 * the GNU General Public License as published by the Free
16 Software Foundation; either version 2 of the License, or (at
17 your option) any later version
18
19 or both in parallel, as here.
20
21 elfutils is distributed in the hope that it will be useful, but
22 WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 General Public License for more details.
25
26 You should have received copies of the GNU General Public License and
27 the GNU Lesser General Public License along with this program. If
28 not, see <http://www.gnu.org/licenses/>. */
29
30 #ifdef HAVE_CONFIG_H
31 # include <config.h>
32 #endif
33
34 #define BACKEND arm_
35 #define RELOC_PREFIX R_ARM_
36 #include "libebl_CPU.h"
37
38 /* This defines the common reloc hooks based on arm_reloc.def. */
39 #include "common-reloc.c"
40
41
42 Ebl *
arm_init(Elf * elf,GElf_Half machine,Ebl * eh)43 arm_init (Elf *elf __attribute__ ((unused)),
44 GElf_Half machine __attribute__ ((unused)),
45 Ebl *eh)
46 {
47 /* We handle it. */
48 arm_init_reloc (eh);
49 HOOK (eh, segment_type_name);
50 HOOK (eh, section_type_name);
51 HOOK (eh, machine_flag_check);
52 HOOK (eh, reloc_simple_type);
53 HOOK (eh, register_info);
54 HOOK (eh, core_note);
55 HOOK (eh, auxv_info);
56 HOOK (eh, check_object_attribute);
57 HOOK (eh, return_value_location);
58 HOOK (eh, abi_cfi);
59 HOOK (eh, check_reloc_target_type);
60 HOOK (eh, symbol_type_name);
61 HOOK (eh, data_marker_symbol);
62
63 /* We only unwind the core integer registers. */
64 eh->frame_nregs = 16;
65 HOOK (eh, set_initial_registers_tid);
66
67 /* Bit zero encodes whether an function address is THUMB or ARM. */
68 eh->func_addr_mask = ~(GElf_Addr)1;
69
70 return eh;
71 }
72