94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* Debugging routines for the remote server for GDB.
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Copyright (C) 2014-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "server.h"
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#include <chrono>
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/* Enable miscellaneous debugging output. The name is historical - it
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was originally used to debug LinuxThreads support. */
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int debug_threads;
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/* Include timestamps in debugging output. */
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int debug_timestamp;
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/* Print a debugging message.
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If the text begins a new line it is preceded by a timestamp.
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We don't get fancy with newline checking, we just check whether the
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previous call ended with "\n". */
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void
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debug_vprintf (const char *format, va_list ap)
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{
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#if !defined (IN_PROCESS_AGENT)
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/* N.B. Not thread safe, and can't be used, as is, with IPA. */
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static int new_line = 1;
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if (debug_timestamp && new_line)
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{
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using namespace std::chrono;
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steady_clock::time_point now = steady_clock::now ();
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seconds s = duration_cast<seconds> (now.time_since_epoch ());
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microseconds us = duration_cast<microseconds> (now.time_since_epoch ()) - s;
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fprintf (stderr, "%ld.%06ld ", (long) s.count (), (long) us.count ());
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}
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#endif
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vfprintf (stderr, format, ap);
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#if !defined (IN_PROCESS_AGENT)
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if (*format)
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new_line = format[strlen (format) - 1] == '\n';
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#endif
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}
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/* Flush debugging output.
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This is called, for example, when starting an inferior to ensure all debug
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output thus far appears before any inferior output. */
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void
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debug_flush (void)
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{
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fflush (stderr);
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}
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/* Notify the user that the code is entering FUNCTION_NAME.
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FUNCTION_NAME is the name of the calling function, or NULL if unknown.
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This is intended to be called via the debug_enter macro. */
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void
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do_debug_enter (const char *function_name)
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{
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if (function_name != NULL)
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debug_printf (">>>> entering %s\n", function_name);
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}
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/* Notify the user that the code is exiting FUNCTION_NAME.
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FUNCTION_NAME is the name of the calling function, or NULL if unknown.
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This is intended to be called via the debug_exit macro. */
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void
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do_debug_exit (const char *function_name)
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{
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if (function_name != NULL)
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debug_printf ("<<<< exiting %s\n", function_name);
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}
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