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3aee8918 PA |
1 | /* Copyright (C) 2012-2013 Free Software Foundation, Inc. |
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" | |
19 | #include "tdesc.h" | |
20 | #include "regdef.h" | |
21 | ||
22 | void | |
23 | init_target_desc (struct target_desc *tdesc) | |
24 | { | |
25 | int offset, i; | |
26 | ||
27 | offset = 0; | |
28 | for (i = 0; i < tdesc->num_registers; i++) | |
29 | { | |
30 | tdesc->reg_defs[i].offset = offset; | |
31 | offset += tdesc->reg_defs[i].size; | |
32 | } | |
33 | ||
34 | tdesc->registers_size = offset / 8; | |
35 | ||
36 | /* Make sure PBUFSIZ is large enough to hold a full register | |
37 | packet. */ | |
38 | if (2 * tdesc->registers_size + 32 > PBUFSIZ) | |
39 | fatal ("Register packet size exceeds PBUFSIZ."); | |
40 | } | |
41 | ||
42 | #ifndef IN_PROCESS_AGENT | |
43 | ||
44 | static const struct target_desc default_description; | |
45 | ||
46 | void | |
47 | copy_target_description (struct target_desc *dest, | |
48 | const struct target_desc *src) | |
49 | { | |
50 | dest->reg_defs = src->reg_defs; | |
51 | dest->num_registers = src->num_registers; | |
52 | dest->expedite_regs = src->expedite_regs; | |
53 | dest->registers_size = src->registers_size; | |
54 | dest->xmltarget = src->xmltarget; | |
55 | } | |
56 | ||
57 | const struct target_desc * | |
58 | current_target_desc (void) | |
59 | { | |
60 | if (current_inferior == NULL) | |
61 | return &default_description; | |
62 | ||
63 | return current_process ()->tdesc; | |
64 | } | |
65 | ||
66 | #endif |