2012-05-14 Stan Shebs <stan@codesourcery.com>

	Add dynamic printf.
	* breakpoint.h (enum bptype): New type bp_dprintf.
	(struct breakpoint): New field extra_string.
	(struct breakpoint_ops): Add arg to create_breakpoints_sal.
	(create_breakpoint): Add extra_string arg.
	* breakpoint.c (dprintf_breakpoint_ops): New.
	(is_breakpoint): Add bp_dprintf.
	(bpstat_what): Add dprintf case.
	(bptype_string): Ditto.
	(print_one_breakpoint_location): Ditto.
	(init_bp_location): Ditto.
	(bkpt_print_mention): Ditto.
	(dprintf_style_enums): New array.
	(dprintf_style): New global.
	(dprintf_function): New global.
	(dprintf_channel): New global.
	(update_dprintf_command_list): New function.
	(update_dprintf_commands): New function.
	(init_breakpoint_sal): Add extra_string argument, handle it.
	(create_breakpoint_sal): Add extra_string argument.
	(create_breakpoints_sal): Add extra_string argument, update callers.
	(find_condition_and_thread): Add extra argument.
	(create_breakpoint): Add extra_string argument, record it.
	(dprintf_command): New function.
	(break_command_1): Add arg to create_breakpoint call.
	(handle_gnu_v3_exceptions): Ditto.
	(trace_command): Ditto.
	(ftrace_command): Ditto.
	(strace_command): Ditto.
	(bkpt_print_mention): Add dprintf case.
	(create_breakpoint_sal_default): Add extra_string argument.
	(_initialize_breakpoint): Add new commands.
	* mi/mi-cmd-break.c (mi_cmd_break_insert): Add arg to call.
	* python/py-breakpoint.c (bppy_init): Ditto.
	* python/py-finishbreakpoint.c (bpfinishpy_init): Ditto.

	* gdb.texinfo (Dynamic Printf): New subsection.

	* gdb.base/dprintf.c: New file.
	* gdb.base/dprintf.exp: New file.

1 files changed, 44 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/dprintf.c b/gdb/testsuite/gdb.base/dprintf.c
new file mode 100644
index 0000000..283ff58
--- /dev/null
+++ b/gdb/testsuite/gdb.base/dprintf.c
@@ -0,0 +1,44 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright (C) 2012 Free Software Foundation, Inc.
+
+   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/>.  */
+
+#include <stdio.h>
+
+static int g;
+
+void
+foo (int arg)
+{
+  g += arg;
+  g *= 2; /* set dprintf 1 here */
+  g /= 2.5; /* set breakpoint 1 here */
+}
+
+int
+main (int argc, char *argv[])
+{
+  int loc = 1234;
+
+  /* Ensure these functions are available.  */
+  printf ("kickoff\n");
+  fprintf (stderr, "also to stderr\n");
+
+  foo (loc++);
+  foo (loc++);
+  foo (loc++);
+  return g;
+}
+