Commit | Line | Data |
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87ce2a04 | 1 | /* Debugging routines for the remote server for GDB. |
42a4f53d | 2 | Copyright (C) 2014-2019 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 | 21 | |
c1bc0935 AH |
22 | #if !defined (IN_PROCESS_AGENT) |
23 | int remote_debug = 0; | |
24 | #endif | |
25 | ||
87ce2a04 DE |
26 | /* Enable miscellaneous debugging output. The name is historical - it |
27 | was originally used to debug LinuxThreads support. */ | |
28 | int debug_threads; | |
29 | ||
30 | /* Include timestamps in debugging output. */ | |
31 | int debug_timestamp; | |
32 | ||
33 | /* Print a debugging message. | |
dcb07cfa | 34 | If the text begins a new line it is preceded by a timestamp. |
87ce2a04 DE |
35 | We don't get fancy with newline checking, we just check whether the |
36 | previous call ended with "\n". */ | |
37 | ||
38 | void | |
34abf635 | 39 | debug_vprintf (const char *format, va_list ap) |
87ce2a04 | 40 | { |
0b04e523 | 41 | #if !defined (IN_PROCESS_AGENT) |
87ce2a04 DE |
42 | /* N.B. Not thread safe, and can't be used, as is, with IPA. */ |
43 | static int new_line = 1; | |
44 | ||
45 | if (debug_timestamp && new_line) | |
46 | { | |
dcb07cfa | 47 | using namespace std::chrono; |
87ce2a04 | 48 | |
dcb07cfa PA |
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; | |
87ce2a04 | 52 | |
dcb07cfa | 53 | fprintf (stderr, "%ld.%06ld ", (long) s.count (), (long) us.count ()); |
87ce2a04 DE |
54 | } |
55 | #endif | |
56 | ||
34abf635 | 57 | vfprintf (stderr, format, ap); |
87ce2a04 | 58 | |
0b04e523 | 59 | #if !defined (IN_PROCESS_AGENT) |
34abf635 GB |
60 | if (*format) |
61 | new_line = format[strlen (format) - 1] == '\n'; | |
87ce2a04 DE |
62 | #endif |
63 | } | |
64 | ||
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. */ | |
68 | ||
69 | void | |
70 | debug_flush (void) | |
71 | { | |
72 | fflush (stderr); | |
73 | } | |
74 | ||
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. | |
77 | ||
78 | This is intended to be called via the debug_enter macro. */ | |
79 | ||
80 | void | |
81 | do_debug_enter (const char *function_name) | |
82 | { | |
83 | if (function_name != NULL) | |
84 | debug_printf (">>>> entering %s\n", function_name); | |
85 | } | |
86 | ||
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. | |
89 | ||
90 | This is intended to be called via the debug_exit macro. */ | |
91 | ||
92 | void | |
93 | do_debug_exit (const char *function_name) | |
94 | { | |
95 | if (function_name != NULL) | |
96 | debug_printf ("<<<< exiting %s\n", function_name); | |
97 | } |