87ce2a04c5
* NEWS: Mention it. gdbserver/ * configure.ac (AC_CHECK_FUNCS): Add test for gettimeofday. * configure: Regenerate. * config.in: Regenerate. * Makefile.in (SFILES): Add debug.c. (OBS): Add debug.o. * debug.c: New file. * debug.h: New file. * linux-aarch64-low.c (*): Update all debugging printfs to use debug_printf instead of fprintf. * linux-arm-low.c (*): Ditto. * linux-cris-low.c (*): Ditto. * linux-crisv32-low.c (*): Ditto. * linux-m32r-low.c (*): Ditto. * linux-sparc-low.c (*): Ditto. * linux-x86.c (*): Ditto. * linux-low.c (*): Ditto. (linux_wait_1): Add calls to debug_enter, debug_exit. (linux_wait): Remove redundant debugging printf. (stop_all_lwps): Add calls to debug_enter, debug_exit. (linux_resume, unstop_all_lwps): Ditto. * mem-break.c (*): Update all debugging printfs to use debug_printf instead of fprintf. * remote-utils.c (*): Ditto. * thread-db.c (*): Ditto. * server.c #include <ctype.h>, "gdb_vecs.h". (debug_threads): Moved to debug.c. (*): Update all debugging printfs to use debug_printf instead of fprintf. (start_inferior): Replace call to fflush with call to debug_flush. (monitor_show_help): Mention set debug-format. (parse_debug_format_options): New function. (handle_monitor_command): Handle "monitor set debug-format". (gdbserver_usage): Mention --debug-format. (main): Parse --debug-format. * server.h (debug_threads): Declaration moved to debug.h. #include "debug.h". * tracepoint.c (trace_debug_1) [!IN_PROCESS_AGENT]: Add version of trace_debug_1 that uses debug_printf. (tracepoint_look_up_symbols): Update all debugging printfs to use debug_printf instead of fprintf. doc/ * gdb.texinfo (Server): Mention --debug-format=all|none|timestamp. (gdbserver man): Ditto. testsuite/ * gdb.server/server-mon.exp: Add tests for "set debug-format".
98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/* Debugging routines for the remote server for GDB.
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Copyright (C) 2014 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 <sys/time.h>
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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, if the
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system has gettimeofday.
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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_printf (const char *msg, ...)
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{
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va_list args;
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#if defined (HAVE_GETTIMEOFDAY) && !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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struct timeval tm;
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gettimeofday (&tm, NULL);
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/* If gettimeofday doesn't exist, and as a portability solution it has
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been replaced with, e.g., time, then it doesn't make sense to print
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the microseconds field. Is there a way to check for that? */
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fprintf (stderr, "%ld:%06ld ", (long) tm.tv_sec, (long) tm.tv_usec);
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}
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#endif
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va_start (args, msg);
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vfprintf (stderr, msg, args);
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va_end (args);
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#if defined (HAVE_GETTIMEOFDAY) && !defined (IN_PROCESS_AGENT)
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if (*msg)
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new_line = msg[strlen (msg) - 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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