gdb/gdbserver/debug.c - gdb

Global variables defined

Functions defined

Source code

  1. /* Debugging routines for the remote server for GDB.
  2.    Copyright (C) 2014-2015 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/>.  */

  19. #include "server.h"
  20. #include <sys/time.h>

  22. /* Enable miscellaneous debugging output.  The name is historical - it
  23.    was originally used to debug LinuxThreads support.  */
  24. ‌int debug_threads;

  26. /* Include timestamps in debugging output.  */
  27. ‌int debug_timestamp;

  29. /* Print a debugging message.
  30.    If the text begins a new line it is preceded by a timestamp, if the
  31.    system has gettimeofday.
  32.    We don't get fancy with newline checking, we just check whether the
  33.    previous call ended with "\n".  */

  35. void
  36. ‌debug_vprintf (const char *format, va_list ap)
  37. {
  38. #if !defined (IN_PROCESS_AGENT)
  39.   /* N.B. Not thread safe, and can't be used, as is, with IPA.  */
  40.   static int new_line = 1;

  42.   if (debug_timestamp && new_line)
  43.     {
  44.       struct timeval tm;

  46.       gettimeofday (&tm, NULL);

  48.       /* If gettimeofday doesn't exist, and as a portability solution it has
  49.          been replaced with, e.g., time, then it doesn't make sense to print
  50.          the microseconds field.  Is there a way to check for that?  */
  51.       fprintf (stderr, "%ld:%06ld ", (long) tm.tv_sec, (long) tm.tv_usec);
  52.     }
  53. #endif

  55.   vfprintf (stderr, format, ap);

  57. #if !defined (IN_PROCESS_AGENT)
  58.   if (*format)
  59.     new_line = format[strlen (format) - 1] == '\n';
  60. #endif
  61. }

  63. /* Flush debugging output.
  64.    This is called, for example, when starting an inferior to ensure all debug
  65.    output thus far appears before any inferior output.  */

  67. void
  68. ‌debug_flush (void)
  69. {
  70.   fflush (stderr);
  71. }

  73. /* Notify the user that the code is entering FUNCTION_NAME.
  74.    FUNCTION_NAME is the name of the calling function, or NULL if unknown.

  76.    This is intended to be called via the debug_enter macro.  */

  78. void
  79. ‌do_debug_enter (const char *function_name)
  80. {
  81.   if (function_name != NULL)
  82.     debug_printf (">>>> entering %s\n", function_name);
  83. }

  85. /* Notify the user that the code is exiting FUNCTION_NAME.
  86.    FUNCTION_NAME is the name of the calling function, or NULL if unknown.

  88.    This is intended to be called via the debug_exit macro.  */

  90. void
  91. ‌do_debug_exit (const char *function_name)
  92. {
  93.   if (function_name != NULL)
  94.     debug_printf ("<<<< exiting %s\n", function_name);
  95. }