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ae1f8880 TT |
1 | /* Internal interfaces for the Windows code |
2 | Copyright (C) 1995-2020 Free Software Foundation, Inc. | |
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 | |
8 | the Free Software Foundation; either version 3 of the License, or | |
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 | |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef NAT_WINDOWS_NAT_H | |
20 | #define NAT_WINDOWS_NAT_H | |
21 | ||
22 | #include <windows.h> | |
23 | ||
24 | /* Thread information structure used to track extra information about | |
25 | each thread. */ | |
26 | struct windows_thread_info | |
27 | { | |
e9534bd2 TT |
28 | windows_thread_info (DWORD tid_, HANDLE h_, CORE_ADDR tlb) |
29 | : tid (tid_), | |
30 | h (h_), | |
31 | thread_local_base (tlb) | |
32 | { | |
33 | } | |
34 | ||
e9534bd2 TT |
35 | DISABLE_COPY_AND_ASSIGN (windows_thread_info); |
36 | ||
98a03287 TT |
37 | /* Ensure that this thread has been suspended. */ |
38 | void suspend (); | |
39 | ||
40 | /* Resume the thread if it has been suspended. */ | |
41 | void resume (); | |
42 | ||
ae1f8880 TT |
43 | /* The Win32 thread identifier. */ |
44 | DWORD tid; | |
45 | ||
46 | /* The handle to the thread. */ | |
47 | HANDLE h; | |
48 | ||
49 | /* Thread Information Block address. */ | |
50 | CORE_ADDR thread_local_base; | |
51 | ||
62fe396b TT |
52 | /* This keeps track of whether SuspendThread was called on this |
53 | thread. -1 means there was a failure or that the thread was | |
54 | explicitly not suspended, 1 means it was called, and 0 means it | |
55 | was not. */ | |
e9534bd2 | 56 | int suspended = 0; |
ae1f8880 TT |
57 | |
58 | #ifdef _WIN32_WCE | |
59 | /* The context as retrieved right after suspending the thread. */ | |
e9534bd2 | 60 | CONTEXT base_context {}; |
ae1f8880 TT |
61 | #endif |
62 | ||
63 | /* The context of the thread, including any manipulations. */ | |
64 | union | |
65 | { | |
e9534bd2 | 66 | CONTEXT context {}; |
ae1f8880 TT |
67 | #ifdef __x86_64__ |
68 | WOW64_CONTEXT wow64_context; | |
69 | #endif | |
70 | }; | |
71 | ||
72 | /* Whether debug registers changed since we last set CONTEXT back to | |
73 | the thread. */ | |
62fe396b | 74 | bool debug_registers_changed = false; |
ae1f8880 TT |
75 | |
76 | /* Nonzero if CONTEXT is invalidated and must be re-read from the | |
77 | inferior thread. */ | |
62fe396b | 78 | bool reload_context = false; |
ae1f8880 TT |
79 | |
80 | /* The name of the thread, allocated by xmalloc. */ | |
2950fdf7 | 81 | gdb::unique_xmalloc_ptr<char> name; |
ae1f8880 TT |
82 | }; |
83 | ||
84 | #endif |