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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" | |
d890404b | 24 | #include <set> |
3b3dac9b PA |
25 | |
26 | /* Abstract base class inherited by all process_stratum targets. */ | |
27 | ||
28 | class process_stratum_target : public target_ops | |
29 | { | |
30 | public: | |
3b3dac9b PA |
31 | ~process_stratum_target () override = 0; |
32 | ||
dc34c897 | 33 | strata stratum () const final override { return process_stratum; } |
66b4deae | 34 | |
121b3efd PA |
35 | /* Return a string representation of this target's open connection. |
36 | This string is used to distinguish different instances of a given | |
37 | target type. For example, when remote debugging, the target is | |
38 | called "remote", but since we may have more than one remote | |
39 | target open, connection_string() returns the connection serial | |
40 | connection name, e.g., "localhost:10001", "192.168.0.1:20000", | |
41 | etc. This string is shown in several places, e.g., in "info | |
42 | connections" and "info inferiors". */ | |
43 | virtual const char *connection_string () { return nullptr; } | |
44 | ||
3b3dac9b PA |
45 | /* We must default these because they must be implemented by any |
46 | target that can run. */ | |
47 | bool can_async_p () override { return false; } | |
48 | bool supports_non_stop () override { return false; } | |
49 | bool supports_disable_randomization () override { return false; } | |
50 | ||
51 | /* This default implementation returns the inferior's address | |
52 | space. */ | |
53 | struct address_space *thread_address_space (ptid_t ptid) override; | |
54 | ||
55 | /* This default implementation always returns target_gdbarch (). */ | |
56 | struct gdbarch *thread_architecture (ptid_t ptid) override; | |
f3d11a9a PA |
57 | |
58 | /* Default implementations for process_stratum targets. Return true | |
59 | if there's a selected inferior, false otherwise. */ | |
60 | bool has_all_memory () override; | |
61 | bool has_memory () override; | |
62 | bool has_stack () override; | |
63 | bool has_registers () override; | |
5018ce90 | 64 | bool has_execution (inferior *inf) override; |
5b6d1e4f PA |
65 | |
66 | /* True if any thread is, or may be executing. We need to track | |
67 | this separately because until we fully sync the thread list, we | |
68 | won't know whether the target is fully stopped, even if we see | |
69 | stop events for all known threads, because any of those threads | |
70 | may have spawned new threads we haven't heard of yet. */ | |
71 | bool threads_executing = false; | |
121b3efd PA |
72 | |
73 | /* The connection number. Visible in "info connections". */ | |
74 | int connection_number = 0; | |
3b3dac9b PA |
75 | }; |
76 | ||
5b6d1e4f PA |
77 | /* Downcast TARGET to process_stratum_target. */ |
78 | ||
79 | static inline process_stratum_target * | |
80 | as_process_stratum_target (target_ops *target) | |
81 | { | |
82 | gdb_assert (target->stratum () == process_stratum); | |
83 | return static_cast<process_stratum_target *> (target); | |
84 | } | |
85 | ||
d890404b TBA |
86 | /* Return a collection of targets that have non-exited inferiors. */ |
87 | ||
88 | extern std::set<process_stratum_target *> all_non_exited_process_targets (); | |
89 | ||
90 | /* Switch to the first inferior (and program space) of TARGET, and | |
91 | switch to no thread selected. */ | |
92 | ||
93 | extern void switch_to_target_no_thread (process_stratum_target *target); | |
94 | ||
3b3dac9b | 95 | #endif /* !defined (PROCESS_STRATUM_TARGET_H) */ |