./

	* cli/cli-logging.c: New file.
	* cli-out.c (struct ui_out_data): Add original_stream.
	(cli_redirect): New function.
	(cli_ui_out_impl): Add cli_redirect.
	(cli_out_new): Initialize original_stream.
	* ui-out.c (default_ui_out_impl): Add NULL for redirect member.
	(uo_redirect, ui_out_redirect): New.
	* ui-out.h (struct ui_out_impl): Add redirect member.
	(redirect_ftype): New.
	(ui_out_redirect): Add prototype.
	* Makefile.in: Add rules for cli-logging.c.
	* NEWS: Mention "set logging".
mi/
	* mi-out.c (mi_ui_out_impl): Add NULL for redirect member.
tui/
	* tui-out.c (tui_ui_out_impl): Add NULL for redirect member.
doc/
	* gdb.texinfo (Logging output): New chapter.

12 files changed, 117 insertions, 1 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 6401554bdc4..e036bdba7a2 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,23 @@
+2003-07-02  Daniel Jacobowitz  <drow@mvista.com>
+
+	* cli/cli-logging.c (pop_output_files): Add void to function
+	definition.
+
+2003-07-02  Daniel Jacobowitz  <drow@mvista.com>
+
+	* cli/cli-logging.c: New file.
+	* cli-out.c (struct ui_out_data): Add original_stream.
+	(cli_redirect): New function.
+	(cli_ui_out_impl): Add cli_redirect.
+	(cli_out_new): Initialize original_stream.
+	* ui-out.c (default_ui_out_impl): Add NULL for redirect member.
+	(uo_redirect, ui_out_redirect): New.
+	* ui-out.h (struct ui_out_impl): Add redirect member.
+	(redirect_ftype): New.
+	(ui_out_redirect): Add prototype.
+	* Makefile.in: Add rules for cli-logging.c.
+	* NEWS: Mention "set logging".
+
 2003-07-02  Jim Blandy  <jimb@redhat.com>
 
 	* s390-tdep.c (struct frame_extra_info): new member:
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index ea4ff9d4fd3..e0f80b8e133 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -146,10 +146,12 @@ TARGET_SYSTEM_ROOT_DEFINE = @TARGET_SYSTEM_ROOT_DEFINE@
 SUBDIR_CLI_OBS = \
 	cli-dump.o \
 	cli-decode.o cli-script.o cli-cmds.o cli-setshow.o cli-utils.o \
+	cli-logging.o \
 	cli-interp.o
 SUBDIR_CLI_SRCS = \
 	cli/cli-dump.c \
 	cli/cli-decode.c cli/cli-script.c cli/cli-cmds.c cli/cli-setshow.c \
+	cli/cli-logging.c \
 	cli/cli-interp.c \
 	cli/cli-utils.c
 SUBDIR_CLI_DEPS =
@@ -2410,7 +2412,7 @@ z8k-tdep.o: z8k-tdep.c $(defs_h) $(frame_h) $(symtab_h) $(gdbcmd_h) \
 # gdb/cli/ dependencies
 #
 # Need to explicitly specify the compile rule as make will do nothing
-# or try to compile the object file into the mi directory.
+# or try to compile the object file into the cli directory.
 
 cli-cmds.o: $(srcdir)/cli/cli-cmds.c $(defs_h) $(completer_h) $(target_h) \
 	$(gdb_wait_h) $(gdb_regex_h) $(gdb_string_h) $(filenames_h) \
@@ -2429,6 +2431,8 @@ cli-dump.o: $(srcdir)/cli/cli-dump.c $(defs_h) $(gdb_string_h) \
 cli-interp.o: $(srcdir)/cli/cli-interp.c $(defs_h) $(interps_h) $(wrapper_h) \
 	$(event_top_h) $(ui_out_h) $(cli_out_h) $(top_h) $(gdb_string_h)
 	$(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/cli/cli-interp.c
+cli-logging.o: $(srcdir)/cli/cli-logging.c $(defs_h) $(ui_out_h) $(gdbcmd_h)
+	$(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/cli/cli-logging.c
 cli-script.o: $(srcdir)/cli/cli-script.c $(defs_h) $(value_h) $(language_h) \
 	$(ui_out_h) $(gdb_string_h) $(top_h) $(cli_cmds_h) $(cli_decode_h) \
 	$(cli_script_h)
diff --git a/gdb/NEWS b/gdb/NEWS
index f8bcf8a0452..d7931234fa8 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -3,6 +3,11 @@
 
 *** Changes in GDB 6.0:
 
+* GDB supports logging output to a file
+
+There are two new commands, "set logging" and "show logging", which can be
+used to capture GDB's output to a file.
+
 * The meaning of "detach" has changed for gdbserver
 
 The "detach" command will now resume the application, as documented.  To
diff --git a/gdb/cli-out.c b/gdb/cli-out.c
index 38bf36ffaf2..2e5a3c16b16 100644
--- a/gdb/cli-out.c
+++ b/gdb/cli-out.c
@@ -31,6 +31,7 @@
 struct ui_out_data
   {
     struct ui_file *stream;
+    struct ui_file *original_stream;
     int suppress_output;
   };
 typedef struct ui_out_data cli_out_data;
@@ -64,6 +65,7 @@ static void cli_message (struct ui_out *uiout, int verbosity,
 			 const char *format, va_list args);
 static void cli_wrap_hint (struct ui_out *uiout, char *identstring);
 static void cli_flush (struct ui_out *uiout);
+static int cli_redirect (struct ui_out *uiout, struct ui_file *outstream);
 
 /* This is the CLI ui-out implementation functions vector */
 
@@ -87,6 +89,7 @@ static struct ui_out_impl cli_ui_out_impl =
   cli_message,
   cli_wrap_hint,
   cli_flush,
+  cli_redirect,
   0, /* Does not need MI hacks (i.e. needs CLI hacks).  */
 };
 
@@ -324,6 +327,24 @@ cli_flush (struct ui_out *uiout)
   gdb_flush (data->stream);
 }
 
+int
+cli_redirect (struct ui_out *uiout, struct ui_file *outstream)
+{
+  struct ui_out_data *data = ui_out_data (uiout);
+  if (outstream != NULL)
+    {
+      data->original_stream = data->stream;
+      data->stream = outstream;
+    }
+  else if (data->original_stream != NULL)
+    {
+      data->stream = data->original_stream;
+      data->original_stream = NULL;
+    }
+
+  return 0;
+}
+
 /* local functions */
 
 /* Like cli_field_fmt, but takes a variable number of args
@@ -362,6 +383,7 @@ cli_out_new (struct ui_file *stream)
 
   cli_out_data *data = XMALLOC (cli_out_data);
   data->stream = stream;
+  data->original_stream = NULL;
   data->suppress_output = 0;
   return ui_out_new (&cli_ui_out_impl, data, flags);
 }
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 3d396013241..edd7be27535 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-02  Daniel Jacobowitz  <drow@mvista.com>
+
+	* gdb.texinfo (Logging output): New chapter.
+
 2003-06-24  Joel Brobecker  <brobecker@gnat.com>
 
 	* gdb.texinfo (Unsupported languages): New section.
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 05715e137df..e6da37c3b80 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -757,6 +757,7 @@ type @kbd{quit} or @kbd{C-d} to exit.
 * Invoking GDB::                How to start @value{GDBN}
 * Quitting GDB::                How to quit @value{GDBN}
 * Shell Commands::              How to use shell commands inside @value{GDBN}
+* Logging output::              How to log @value{GDBN}'s output to a file
 @end menu
 
 @node Invoking GDB
@@ -1210,6 +1211,32 @@ Execute the @code{make} program with the specified
 arguments.  This is equivalent to @samp{shell make @var{make-args}}.
 @end table
 
+@node Logging output
+@section Logging output
+@cindex logging @value{GDBN} output
+
+You may want to save the output of @value{GDBN} commands to a file.
+There are several commands to control @value{GDBN}'s logging.
+
+@table @code
+@kindex set logging
+@item set logging on
+Enable logging.
+@item set logging off
+Disable logging.
+@item set logging file @var{file}
+Change the name of the current logfile.  The default logfile is @file{gdb.txt}.
+@item set logging overwrite [on|off]
+By default, @value{GDBN} will append to the logfile.  Set @code{overwrite} if
+you want @code{set logging on} to overwrite the logfile instead.
+@item set logging redirect [on|off]
+By default, @value{GDBN} output will go to both the terminal and the logfile.
+Set @code{redirect} if you want output to go only to the log file.
+@kindex show logging
+@item show logging
+Show the current values of the logging settings.
+@end table
+
 @node Commands
 @chapter @value{GDBN} Commands
 
diff --git a/gdb/mi/ChangeLog b/gdb/mi/ChangeLog
index ed861f023bc..31fd26f0efd 100644
--- a/gdb/mi/ChangeLog
+++ b/gdb/mi/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-02  Daniel Jacobowitz  <drow@mvista.com>
+
+	* mi-out.c (mi_ui_out_impl): Add NULL for redirect member.
+
 2003-06-17  Daniel Jacobowitz  <drow@mvista.com>
 
         * mi-cmds.c (mi_cmds): Add "-target-disconnect".
diff --git a/gdb/mi/mi-out.c b/gdb/mi/mi-out.c
index 2aac5289829..637ceb42ca1 100644
--- a/gdb/mi/mi-out.c
+++ b/gdb/mi/mi-out.c
@@ -86,6 +86,7 @@ struct ui_out_impl mi_ui_out_impl =
   mi_message,
   mi_wrap_hint,
   mi_flush,
+  NULL,
   1, /* Needs MI hacks.  */
 };
 
diff --git a/gdb/tui/ChangeLog b/gdb/tui/ChangeLog
index 9ab34614aa0..e90e946d9dd 100644
--- a/gdb/tui/ChangeLog
+++ b/gdb/tui/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-02  Daniel Jacobowitz  <drow@mvista.com>
+
+	* tui-out.c (tui_ui_out_impl): Add NULL for redirect member.
+
 2003-06-22  Daniel Jacobowitz  <drow@mvista.com>
 
 	* tui-hooks.c: Update include order.
diff --git a/gdb/tui/tui-out.c b/gdb/tui/tui-out.c
index 94fda09b14c..e1be56a6b00 100644
--- a/gdb/tui/tui-out.c
+++ b/gdb/tui/tui-out.c
@@ -90,6 +90,7 @@ static struct ui_out_impl tui_ui_out_impl =
   tui_message,
   tui_wrap_hint,
   tui_flush,
+  NULL,
   0, /* Does not need MI hacks (i.e. needs CLI hacks).  */
 };
 
diff --git a/gdb/ui-out.c b/gdb/ui-out.c
index 71e6d6ac070..5fb8eaa69e8 100644
--- a/gdb/ui-out.c
+++ b/gdb/ui-out.c
@@ -206,6 +206,7 @@ struct ui_out_impl default_ui_out_impl =
   default_message,
   default_wrap_hint,
   default_flush,
+  NULL,
   0, /* Does not need MI hacks.  */
 };
 
@@ -254,6 +255,7 @@ static void uo_message (struct ui_out *uiout, int verbosity,
 			const char *format, va_list args);
 static void uo_wrap_hint (struct ui_out *uiout, char *identstring);
 static void uo_flush (struct ui_out *uiout);
+static int uo_redirect (struct ui_out *uiout, struct ui_file *outstream);
 
 /* Prototypes for local functions */
 
@@ -638,6 +640,12 @@ ui_out_flush (struct ui_out *uiout)
   uo_flush (uiout);
 }
 
+int
+ui_out_redirect (struct ui_out *uiout, struct ui_file *outstream)
+{
+  return uo_redirect (uiout, outstream);
+}
+
 /* set the flags specified by the mask given */
 int
 ui_out_set_flags (struct ui_out *uiout, int mask)
@@ -981,6 +989,15 @@ uo_flush (struct ui_out *uiout)
   uiout->impl->flush (uiout);
 }
 
+int
+uo_redirect (struct ui_out *uiout, struct ui_file *outstream)
+{
+  if (!uiout->impl->redirect)
+    return -1;
+  uiout->impl->redirect (uiout, outstream);
+  return 0;
+}
+
 /* local functions */
 
 /* list of column headers manipulation routines */
diff --git a/gdb/ui-out.h b/gdb/ui-out.h
index a52c3453722..3102e750ca5 100644
--- a/gdb/ui-out.h
+++ b/gdb/ui-out.h
@@ -231,6 +231,8 @@ typedef void (message_ftype) (struct ui_out * uiout, int verbosity,
 			      const char *format, va_list args);
 typedef void (wrap_hint_ftype) (struct ui_out * uiout, char *identstring);
 typedef void (flush_ftype) (struct ui_out * uiout);
+typedef int (redirect_ftype) (struct ui_out * uiout,
+			      struct ui_file * outstream);
 
 /* ui-out-impl */
 
@@ -254,6 +256,7 @@ struct ui_out_impl
     message_ftype *message;
     wrap_hint_ftype *wrap_hint;
     flush_ftype *flush;
+    redirect_ftype *redirect;
     int is_mi_like_p;
   };
 
@@ -266,4 +269,8 @@ extern struct ui_out *ui_out_new (struct ui_out_impl *impl,
 				  struct ui_out_data *data,
 				  int flags);
 
+/* Redirect the ouptut of a ui_out object temporarily.  */
+
+extern int ui_out_redirect (struct ui_out *uiout, struct ui_file *outstream);
+
 #endif /* UI_OUT_H */