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b811d2c2 | 1 | /* Copyright (C) 2019-2020 Free Software Foundation, Inc. |
7cc17433 AH |
2 | |
3 | This file is part of GDB. | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include "server.h" | |
c0b0a142 SM |
19 | |
20 | #include "linux-arm-tdesc.h" | |
21 | ||
7cc17433 AH |
22 | #include "tdesc.h" |
23 | #include "arch/arm.h" | |
24 | #include <inttypes.h> | |
25 | ||
26 | /* All possible Arm target descriptors. */ | |
27 | static struct target_desc *tdesc_arm_list[ARM_FP_TYPE_INVALID]; | |
28 | ||
29 | /* See linux-arm-tdesc.h. */ | |
30 | ||
31 | const target_desc * | |
32 | arm_linux_read_description (arm_fp_type fp_type) | |
33 | { | |
34 | struct target_desc *tdesc = tdesc_arm_list[fp_type]; | |
35 | ||
36 | if (tdesc == nullptr) | |
37 | { | |
38 | tdesc = arm_create_target_description (fp_type); | |
39 | ||
40 | static const char *expedite_regs[] = { "r11", "sp", "pc", 0 }; | |
41 | init_target_desc (tdesc, expedite_regs); | |
42 | ||
43 | tdesc_arm_list[fp_type] = tdesc; | |
44 | } | |
45 | ||
46 | return tdesc; | |
47 | } | |
48 | ||
49 | /* See linux-arm-tdesc.h. */ | |
50 | ||
51 | arm_fp_type | |
52 | arm_linux_get_tdesc_fp_type (const target_desc *tdesc) | |
53 | { | |
54 | gdb_assert (tdesc != nullptr); | |
55 | ||
56 | /* Many of the tdesc_arm_list entries may not have been initialised yet. This | |
57 | is ok, because tdesc must be one of the initialised ones. */ | |
58 | for (int i = ARM_FP_TYPE_NONE; i < ARM_FP_TYPE_INVALID; i++) | |
59 | { | |
60 | if (tdesc == tdesc_arm_list[i]) | |
61 | return (arm_fp_type) i; | |
62 | } | |
63 | ||
64 | return ARM_FP_TYPE_INVALID; | |
65 | } |