/src/elfutils/backends/csky_cfi.c
Line | Count | Source |
1 | | /* C-SKY ABI-specified defaults for DWARF CFI. |
2 | | Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. |
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 | | #include <dwarf.h> |
34 | | |
35 | | #define BACKEND csky_ |
36 | | #include "libebl_CPU.h" |
37 | | |
38 | | |
39 | | int |
40 | | csky_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info) |
41 | 0 | { |
42 | 0 | static const uint8_t abi_cfi[] = |
43 | 0 | { |
44 | 0 | DW_CFA_def_cfa, ULEB128_7 (14), ULEB128_7 (0), |
45 | 0 | DW_CFA_val_offset, ULEB128_7 (14), ULEB128_7 (0), |
46 | |
|
47 | 0 | #define SV(n) DW_CFA_same_value, ULEB128_7 (n) |
48 | 0 | SV(4), SV (5), SV (6), SV (7), SV (8), SV (9), |
49 | 0 | SV(10), SV (11), SV (15), SV (16), SV (17) |
50 | 0 | #undef SV |
51 | 0 | }; |
52 | |
|
53 | 0 | abi_info->initial_instructions = abi_cfi; |
54 | 0 | abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi]; |
55 | 0 | abi_info->data_alignment_factor = -4; |
56 | |
|
57 | 0 | abi_info->return_address_register = 15; /* lr. */ |
58 | |
|
59 | 0 | return 0; |
60 | 0 | } |