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d6d7ce56 AH |
1 | /* GNU/Linux/aarch64 specific target description, for the remote server |
2 | for GDB. | |
1d506c26 | 3 | Copyright (C) 2017-2024 Free Software Foundation, Inc. |
d6d7ce56 AH |
4 | |
5 | This file is part of GDB. | |
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 3 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, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "server.h" | |
f5df0b5f SM |
21 | |
22 | #include "linux-aarch64-tdesc.h" | |
23 | ||
d6d7ce56 AH |
24 | #include "tdesc.h" |
25 | #include "arch/aarch64.h" | |
26 | #include "linux-aarch32-low.h" | |
fefa175e | 27 | #include <inttypes.h> |
0ee6b1c5 | 28 | #include <unordered_map> |
fefa175e AH |
29 | |
30 | /* All possible aarch64 target descriptors. */ | |
0ee6b1c5 | 31 | static std::unordered_map<aarch64_features, target_desc *> tdesc_aarch64_map; |
d6d7ce56 | 32 | |
223dbdd2 LM |
33 | static std::vector<const char *> expedited_registers; |
34 | ||
d6d7ce56 AH |
35 | /* Create the aarch64 target description. */ |
36 | ||
37 | const target_desc * | |
0ee6b1c5 | 38 | aarch64_linux_read_description (const aarch64_features &features) |
d6d7ce56 | 39 | { |
0ee6b1c5 JB |
40 | if (features.vq > AARCH64_MAX_SVE_VQ) |
41 | error (_("VQ is %" PRIu64 ", maximum supported value is %d"), features.vq, | |
fefa175e AH |
42 | AARCH64_MAX_SVE_VQ); |
43 | ||
b816042e LM |
44 | if (features.svq > AARCH64_MAX_SVE_VQ) |
45 | error (_("Streaming svq is %" PRIu8 ", maximum supported value is %d"), | |
46 | features.svq, | |
47 | AARCH64_MAX_SVE_VQ); | |
48 | ||
0ee6b1c5 | 49 | struct target_desc *tdesc = tdesc_aarch64_map[features]; |
d6d7ce56 | 50 | |
fefa175e | 51 | if (tdesc == NULL) |
49bdb7ee | 52 | { |
0ee6b1c5 | 53 | tdesc = aarch64_create_target_description (features); |
223dbdd2 LM |
54 | expedited_registers.clear (); |
55 | ||
56 | /* Configure the expedited registers. By default we include x29, sp and | |
57 | pc. */ | |
58 | expedited_registers.push_back ("x29"); | |
59 | expedited_registers.push_back ("sp"); | |
60 | expedited_registers.push_back ("pc"); | |
61 | ||
62 | if (features.vq > 0) | |
63 | expedited_registers.push_back ("vg"); | |
b816042e LM |
64 | if (features.svq > 0) |
65 | expedited_registers.push_back ("svg"); | |
49bdb7ee | 66 | |
223dbdd2 | 67 | expedited_registers.push_back (nullptr); |
fefa175e | 68 | |
223dbdd2 | 69 | init_target_desc (tdesc, (const char **) expedited_registers.data ()); |
fefa175e | 70 | |
0ee6b1c5 | 71 | tdesc_aarch64_map[features] = tdesc; |
49bdb7ee | 72 | } |
d6d7ce56 | 73 | |
fefa175e | 74 | return tdesc; |
d6d7ce56 | 75 | } |