Commit | Line | Data |
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0a30fbc4 | 1 | /* Register support routines for the remote server for GDB. |
e2882c85 | 2 | Copyright (C) 2001-2018 Free Software Foundation, Inc. |
0a30fbc4 DJ |
3 | |
4 | This file is part of GDB. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
0a30fbc4 DJ |
9 | (at your option) any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
0a30fbc4 DJ |
18 | |
19 | #ifndef REGCACHE_H | |
20 | #define REGCACHE_H | |
21 | ||
361c8ade GB |
22 | #include "common-regcache.h" |
23 | ||
442ea881 | 24 | struct thread_info; |
3aee8918 | 25 | struct target_desc; |
442ea881 PA |
26 | |
27 | /* The data for the register cache. Note that we have one per | |
28 | inferior; this is primarily for simplicity, as the performance | |
29 | benefit is minimal. */ | |
30 | ||
31 | struct regcache | |
32 | { | |
3aee8918 PA |
33 | /* The regcache's target description. */ |
34 | const struct target_desc *tdesc; | |
35 | ||
1c79eb8a PA |
36 | /* Whether the REGISTERS buffer's contents are valid. If false, we |
37 | haven't fetched the registers from the target yet. Not that this | |
38 | register cache is _not_ pass-through, unlike GDB's. Note that | |
39 | "valid" here is unrelated to whether the registers are available | |
40 | in a traceframe. For that, check REGISTER_STATUS below. */ | |
442ea881 | 41 | int registers_valid; |
219f2f23 | 42 | int registers_owned; |
442ea881 | 43 | unsigned char *registers; |
1c79eb8a PA |
44 | #ifndef IN_PROCESS_AGENT |
45 | /* One of REG_UNAVAILBLE or REG_VALID. */ | |
46 | unsigned char *register_status; | |
47 | #endif | |
442ea881 | 48 | }; |
d06f167a | 49 | |
219f2f23 | 50 | struct regcache *init_register_cache (struct regcache *regcache, |
3aee8918 | 51 | const struct target_desc *tdesc, |
219f2f23 PA |
52 | unsigned char *regbuf); |
53 | ||
54 | void regcache_cpy (struct regcache *dst, struct regcache *src); | |
55 | ||
c04a1aa8 DJ |
56 | /* Create a new register cache for INFERIOR. */ |
57 | ||
3aee8918 | 58 | struct regcache *new_register_cache (const struct target_desc *tdesc); |
442ea881 PA |
59 | |
60 | struct regcache *get_thread_regcache (struct thread_info *thread, int fetch); | |
c04a1aa8 DJ |
61 | |
62 | /* Release all memory associated with the register cache for INFERIOR. */ | |
63 | ||
442ea881 | 64 | void free_register_cache (struct regcache *regcache); |
0d62e5e8 | 65 | |
3aee8918 PA |
66 | /* Invalidate cached registers for one thread. */ |
67 | ||
68 | void regcache_invalidate_thread (struct thread_info *); | |
69 | ||
80d82c19 JB |
70 | /* Invalidate cached registers for all threads of the given process. */ |
71 | ||
72 | void regcache_invalidate_pid (int pid); | |
73 | ||
3aee8918 PA |
74 | /* Invalidate cached registers for all threads of the current |
75 | process. */ | |
0d62e5e8 | 76 | |
0d62e5e8 | 77 | void regcache_invalidate (void); |
c04a1aa8 | 78 | |
3aee8918 PA |
79 | /* Invalidate and release the register cache of all threads of the |
80 | current process. */ | |
81 | ||
82 | void regcache_release (void); | |
83 | ||
0a30fbc4 DJ |
84 | /* Convert all registers to a string in the currently specified remote |
85 | format. */ | |
86 | ||
442ea881 | 87 | void registers_to_string (struct regcache *regcache, char *buf); |
0a30fbc4 DJ |
88 | |
89 | /* Convert a string to register values and fill our register cache. */ | |
90 | ||
442ea881 | 91 | void registers_from_string (struct regcache *regcache, char *buf); |
0a30fbc4 | 92 | |
361c8ade | 93 | /* For regcache_read_pc see common/common-regcache.h. */ |
219f2f23 PA |
94 | |
95 | void regcache_write_pc (struct regcache *regcache, CORE_ADDR pc); | |
96 | ||
3aee8918 | 97 | int register_cache_size (const struct target_desc *tdesc); |
219f2f23 | 98 | |
3aee8918 | 99 | int register_size (const struct target_desc *tdesc, int n); |
0a30fbc4 | 100 | |
3aee8918 | 101 | int find_regno (const struct target_desc *tdesc, const char *name); |
0a30fbc4 | 102 | |
442ea881 | 103 | void supply_register (struct regcache *regcache, int n, const void *buf); |
0729219d | 104 | |
1c79eb8a PA |
105 | void supply_register_zeroed (struct regcache *regcache, int n); |
106 | ||
442ea881 PA |
107 | void supply_register_by_name (struct regcache *regcache, |
108 | const char *name, const void *buf); | |
0729219d | 109 | |
8ee22052 AB |
110 | void supply_register_by_name_zeroed (struct regcache *regcache, |
111 | const char *name); | |
112 | ||
219f2f23 PA |
113 | void supply_regblock (struct regcache *regcache, const void *buf); |
114 | ||
442ea881 | 115 | void collect_register (struct regcache *regcache, int n, void *buf); |
0729219d | 116 | |
442ea881 | 117 | void collect_register_as_string (struct regcache *regcache, int n, char *buf); |
0d62e5e8 | 118 | |
493e2a69 MS |
119 | void collect_register_by_name (struct regcache *regcache, |
120 | const char *name, void *buf); | |
0729219d | 121 | |
0a30fbc4 | 122 | #endif /* REGCACHE_H */ |