gdb/

	Redirect also uiout and stdtarg{,err} in execute_command_to_string.
	* cli-logging.c (struct saved_output_files) <targerr>: New.
	(set_logging_redirect, pop_output_files, handle_redirections):
	Redirect also gdb_stdtargerr.
	* defs.h (struct ui_out, make_cleanup_ui_out_redirect_pop): New
	declarations.
	* event-top.c (gdb_setup_readline, gdb_disable_readline): Redirect
	also gdb_stdtargerr.
	* top.c (execute_command_to_string): Move make_cleanup_ui_file_delete
	to the top.  Redirect also gdb_stdlog, gdb_stdtarg and gdb_stdtargerr.
	Use ui_out_redirect, register make_cleanup_ui_out_redirect_pop.
	* tui/tui-io.c (tui_setup_io): Redirect also gdb_stdtargerr.
	* utils.c (do_ui_out_redirect_pop, make_cleanup_ui_out_redirect_pop):
	New functions.

gdb/testsuite/
	* gdb.python/python.exp (set height 0, collect help from uiout)
	(verify help to uiout): New tests.

1 files changed, 12 insertions, 1 deletions

diff --git a/gdb/top.c b/gdb/top.c
index b29e68dcc93..8ddb2c6b9c9 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -475,12 +475,23 @@ execute_command_to_string (char *p, int from_tty)
 
   str_file = mem_fileopen ();
 
+  make_cleanup_ui_file_delete (str_file);
   make_cleanup_restore_ui_file (&gdb_stdout);
   make_cleanup_restore_ui_file (&gdb_stderr);
-  make_cleanup_ui_file_delete (str_file);
+  make_cleanup_restore_ui_file (&gdb_stdlog);
+  make_cleanup_restore_ui_file (&gdb_stdtarg);
+  make_cleanup_restore_ui_file (&gdb_stdtargerr);
+
+  if (ui_out_redirect (uiout, str_file) < 0)
+    warning (_("Current output protocol does not support redirection"));
+  else
+    make_cleanup_ui_out_redirect_pop (uiout);
 
   gdb_stdout = str_file;
   gdb_stderr = str_file;
+  gdb_stdlog = str_file;
+  gdb_stdtarg = str_file;
+  gdb_stdtargerr = str_file;
 
   execute_command (p, from_tty);