Commit | Line | Data |
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87ce2a04 | 1 | /* Debugging routines for the remote server for GDB. |
e2882c85 | 2 | Copyright (C) 2014-2018 Free Software Foundation, Inc. |
87ce2a04 DE |
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 | #include "server.h" | |
dcb07cfa | 20 | #include <chrono> |
87ce2a04 DE |
21 | |
22 | /* Enable miscellaneous debugging output. The name is historical - it | |
23 | was originally used to debug LinuxThreads support. */ | |
24 | int debug_threads; | |
25 | ||
26 | /* Include timestamps in debugging output. */ | |
27 | int debug_timestamp; | |
28 | ||
29 | /* Print a debugging message. | |
dcb07cfa | 30 | If the text begins a new line it is preceded by a timestamp. |
87ce2a04 DE |
31 | We don't get fancy with newline checking, we just check whether the |
32 | previous call ended with "\n". */ | |
33 | ||
34 | void | |
34abf635 | 35 | debug_vprintf (const char *format, va_list ap) |
87ce2a04 | 36 | { |
0b04e523 | 37 | #if !defined (IN_PROCESS_AGENT) |
87ce2a04 DE |
38 | /* N.B. Not thread safe, and can't be used, as is, with IPA. */ |
39 | static int new_line = 1; | |
40 | ||
41 | if (debug_timestamp && new_line) | |
42 | { | |
dcb07cfa | 43 | using namespace std::chrono; |
87ce2a04 | 44 | |
dcb07cfa PA |
45 | steady_clock::time_point now = steady_clock::now (); |
46 | seconds s = duration_cast<seconds> (now.time_since_epoch ()); | |
47 | microseconds us = duration_cast<microseconds> (now.time_since_epoch ()) - s; | |
87ce2a04 | 48 | |
dcb07cfa | 49 | fprintf (stderr, "%ld.%06ld ", (long) s.count (), (long) us.count ()); |
87ce2a04 DE |
50 | } |
51 | #endif | |
52 | ||
34abf635 | 53 | vfprintf (stderr, format, ap); |
87ce2a04 | 54 | |
0b04e523 | 55 | #if !defined (IN_PROCESS_AGENT) |
34abf635 GB |
56 | if (*format) |
57 | new_line = format[strlen (format) - 1] == '\n'; | |
87ce2a04 DE |
58 | #endif |
59 | } | |
60 | ||
61 | /* Flush debugging output. | |
62 | This is called, for example, when starting an inferior to ensure all debug | |
63 | output thus far appears before any inferior output. */ | |
64 | ||
65 | void | |
66 | debug_flush (void) | |
67 | { | |
68 | fflush (stderr); | |
69 | } | |
70 | ||
71 | /* Notify the user that the code is entering FUNCTION_NAME. | |
72 | FUNCTION_NAME is the name of the calling function, or NULL if unknown. | |
73 | ||
74 | This is intended to be called via the debug_enter macro. */ | |
75 | ||
76 | void | |
77 | do_debug_enter (const char *function_name) | |
78 | { | |
79 | if (function_name != NULL) | |
80 | debug_printf (">>>> entering %s\n", function_name); | |
81 | } | |
82 | ||
83 | /* Notify the user that the code is exiting FUNCTION_NAME. | |
84 | FUNCTION_NAME is the name of the calling function, or NULL if unknown. | |
85 | ||
86 | This is intended to be called via the debug_exit macro. */ | |
87 | ||
88 | void | |
89 | do_debug_exit (const char *function_name) | |
90 | { | |
91 | if (function_name != NULL) | |
92 | debug_printf ("<<<< exiting %s\n", function_name); | |
93 | } |