1 /* Support for GDB maintenance commands.
2    Copyright (C) 2013-2024 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 MAINT_H
20 #define MAINT_H
21 
22 #include "gdbsupport/run-time-clock.h"
23 #include <chrono>
24 
25 extern void set_per_command_time (int);
26 
27 extern void set_per_command_space (int);
28 
29 /* Update the thread pool for the desired number of threads.  */
30 
31 extern void update_thread_pool_size ();
32 
33 /* Records a run time and space usage to be used as a base for
34    reporting elapsed time or change in space.  */
35 
36 class scoped_command_stats
37 {
38  public:
39 
40   explicit scoped_command_stats (bool msg_type);
41   ~scoped_command_stats ();
42 
43  private:
44 
45   DISABLE_COPY_AND_ASSIGN (scoped_command_stats);
46 
47   /* Print the time, along with a string.  */
48   void print_time (const char *msg);
49 
50   /* Zero if the saved time is from the beginning of GDB execution.
51      One if from the beginning of an individual command execution.  */
52   bool m_msg_type;
53   /* Track whether the stat was enabled at the start of the command
54      so that we can avoid printing anything if it gets turned on by
55      the current command.  */
56   bool m_time_enabled : 1;
57   bool m_space_enabled : 1;
58   bool m_symtab_enabled : 1;
59   run_time_clock::time_point m_start_cpu_time;
60   std::chrono::steady_clock::time_point m_start_wall_time;
61   long m_start_space;
62   /* Total number of symtabs (over all objfiles).  */
63   int m_start_nr_symtabs;
64   /* A count of the compunits.  */
65   int m_start_nr_compunit_symtabs;
66   /* Total number of blocks.  */
67   int m_start_nr_blocks;
68 };
69 
70 extern obj_section *maint_obj_section_from_bfd_section (bfd *abfd,
71                                                                       asection *asection,
72                                                                       objfile *ofile);
73 #endif /* MAINT_H */
74