1 /* Debugging routines for the remote server for GDB.
2 Copyright (C) 2014-2019 Free Software Foundation, Inc.
4 This file is part of GDB.
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.
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.
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/>. */
22 #if !defined (IN_PROCESS_AGENT)
26 /* Enable miscellaneous debugging output. The name is historical - it
27 was originally used to debug LinuxThreads support. */
30 /* Include timestamps in debugging output. */
33 /* Print a debugging message.
34 If the text begins a new line it is preceded by a timestamp.
35 We don't get fancy with newline checking, we just check whether the
36 previous call ended with "\n". */
39 debug_vprintf (const char *format, va_list ap)
41 #if !defined (IN_PROCESS_AGENT)
42 /* N.B. Not thread safe, and can't be used, as is, with IPA. */
43 static int new_line = 1;
45 if (debug_timestamp && new_line)
47 using namespace std::chrono;
49 steady_clock::time_point now = steady_clock::now ();
50 seconds s = duration_cast<seconds> (now.time_since_epoch ());
51 microseconds us = duration_cast<microseconds> (now.time_since_epoch ()) - s;
53 fprintf (stderr, "%ld.%06ld ", (long) s.count (), (long) us.count ());
57 vfprintf (stderr, format, ap);
59 #if !defined (IN_PROCESS_AGENT)
61 new_line = format[strlen (format) - 1] == '\n';
65 /* Flush debugging output.
66 This is called, for example, when starting an inferior to ensure all debug
67 output thus far appears before any inferior output. */
75 /* Notify the user that the code is entering FUNCTION_NAME.
76 FUNCTION_NAME is the name of the calling function, or NULL if unknown.
78 This is intended to be called via the debug_enter macro. */
81 do_debug_enter (const char *function_name)
83 if (function_name != NULL)
84 debug_printf (">>>> entering %s\n", function_name);
87 /* Notify the user that the code is exiting FUNCTION_NAME.
88 FUNCTION_NAME is the name of the calling function, or NULL if unknown.
90 This is intended to be called via the debug_exit macro. */
93 do_debug_exit (const char *function_name)
95 if (function_name != NULL)
96 debug_printf ("<<<< exiting %s\n", function_name);