New gdbserver option --debug-format=timestamp.

	* 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".

1 files changed, 55 insertions, 0 deletions

diff --git a/gdb/gdbserver/debug.h b/gdb/gdbserver/debug.h
new file mode 100644
index 0000000..0f056ca
--- /dev/null
+++ b/gdb/gdbserver/debug.h
@@ -0,0 +1,55 @@
+/* Debugging routines for the remote server for GDB.
+   Copyright (C) 2014 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef DEBUG_H
+#define DEBUG_H
+
+/* We declare debug format variables here, and debug_threads but no other
+   debug content variables (e.g., not remote_debug) because while this file
+   is not currently used by IPA it may be some day, and IPA may have its own
+   set of debug content variables.  It's ok to declare debug_threads here
+   because it is misnamed - a better name is debug_basic or some such,
+   which can work for any program, gdbserver or IPA.  If/when this file is
+   used with IPA it is recommended to fix debug_thread's name.  */
+extern int debug_threads;
+extern int debug_timestamp;
+
+void debug_printf (const char *msg, ...) ATTRIBUTE_PRINTF (1, 2);
+void debug_flush (void);
+void do_debug_enter (const char *function_name);
+void do_debug_exit (const char *function_name);
+
+/* These macros are for use in major functions that produce a lot of
+   debugging output.  They help identify in the mass of debugging output
+   when these functions enter and exit.  debug_enter is intended to be
+   called at the start of a function, before any other debugging output.
+   debug_exit is intended to be called at the end of the same function,
+   after all debugging output.  */
+#ifdef FUNCTION_NAME
+#define debug_enter() \
+  do { do_debug_enter (FUNCTION_NAME); } while (0)
+#define debug_exit() \
+  do { do_debug_exit (FUNCTION_NAME); } while (0)
+#else
+#define debug_enter() \
+  do { } while (0)
+#define debug_exit() \
+  do { } while (0)
+#endif
+
+#endif /* DEBUG_H */