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3b3dac9b PA |
1 | /* Abstract base class inherited by all process_stratum targets |
2 | ||
b811d2c2 | 3 | Copyright (C) 2018-2020 Free Software Foundation, Inc. |
3b3dac9b PA |
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 | #ifndef PROCESS_STRATUM_TARGET_H | |
21 | #define PROCESS_STRATUM_TARGET_H | |
22 | ||
23 | #include "target.h" | |
24 | ||
25 | /* Abstract base class inherited by all process_stratum targets. */ | |
26 | ||
27 | class process_stratum_target : public target_ops | |
28 | { | |
29 | public: | |
3b3dac9b PA |
30 | ~process_stratum_target () override = 0; |
31 | ||
dc34c897 | 32 | strata stratum () const final override { return process_stratum; } |
66b4deae | 33 | |
121b3efd PA |
34 | /* Return a string representation of this target's open connection. |
35 | This string is used to distinguish different instances of a given | |
36 | target type. For example, when remote debugging, the target is | |
37 | called "remote", but since we may have more than one remote | |
38 | target open, connection_string() returns the connection serial | |
39 | connection name, e.g., "localhost:10001", "192.168.0.1:20000", | |
40 | etc. This string is shown in several places, e.g., in "info | |
41 | connections" and "info inferiors". */ | |
42 | virtual const char *connection_string () { return nullptr; } | |
43 | ||
3b3dac9b PA |
44 | /* We must default these because they must be implemented by any |
45 | target that can run. */ | |
46 | bool can_async_p () override { return false; } | |
47 | bool supports_non_stop () override { return false; } | |
48 | bool supports_disable_randomization () override { return false; } | |
49 | ||
50 | /* This default implementation returns the inferior's address | |
51 | space. */ | |
52 | struct address_space *thread_address_space (ptid_t ptid) override; | |
53 | ||
54 | /* This default implementation always returns target_gdbarch (). */ | |
55 | struct gdbarch *thread_architecture (ptid_t ptid) override; | |
f3d11a9a PA |
56 | |
57 | /* Default implementations for process_stratum targets. Return true | |
58 | if there's a selected inferior, false otherwise. */ | |
59 | bool has_all_memory () override; | |
60 | bool has_memory () override; | |
61 | bool has_stack () override; | |
62 | bool has_registers () override; | |
5018ce90 | 63 | bool has_execution (inferior *inf) override; |
5b6d1e4f PA |
64 | |
65 | /* True if any thread is, or may be executing. We need to track | |
66 | this separately because until we fully sync the thread list, we | |
67 | won't know whether the target is fully stopped, even if we see | |
68 | stop events for all known threads, because any of those threads | |
69 | may have spawned new threads we haven't heard of yet. */ | |
70 | bool threads_executing = false; | |
121b3efd PA |
71 | |
72 | /* The connection number. Visible in "info connections". */ | |
73 | int connection_number = 0; | |
3b3dac9b PA |
74 | }; |
75 | ||
5b6d1e4f PA |
76 | /* Downcast TARGET to process_stratum_target. */ |
77 | ||
78 | static inline process_stratum_target * | |
79 | as_process_stratum_target (target_ops *target) | |
80 | { | |
81 | gdb_assert (target->stratum () == process_stratum); | |
82 | return static_cast<process_stratum_target *> (target); | |
83 | } | |
84 | ||
3b3dac9b | 85 | #endif /* !defined (PROCESS_STRATUM_TARGET_H) */ |