Fix for PR gdb/209, PR gdb/156:

	* gdbarch.c, gdbarch.h: Rebuilt.
	* gdbarch.sh: Added `construct_inferior_arguments'.
	* cli/cli-decode.h (cmd_list_element): Added pre_show_hook.
	Typo fix.
	* cli/cli-setshow.c (do_setshow_command): Call the pre_show_hook.
	* infcmd.c (_initialize_infcmd): Set sfunc on `set args' command.
	(inferior_argc, inferior_argv): New globals.
	(notice_args_set): New function.
	(set_inferior_args): Clear inferior_argc and inferior_argv.
	(set_inferior_args_vector): New function.
	(get_inferior_args): Handle inferior argument vector.
	(run_command): Use get_inferior_args().
	(notice_args_read): New function.
	(_initialize_infcmd): Don't call set_inferior_args.
	* command.h: Typo fix.
	(cmd_list_element): Added pre_show_hook.
	* main.c (captured_main): Added --args option.
	(print_gdb_help): Document --args.
	* inferior.h (construct_inferior_arguments): Declare.
	(set_inferior_args_vector): Likewise.
	* fork-child.c (construct_inferior_arguments): New function.

1 files changed, 5 insertions, 1 deletions

diff --git a/gdb/command.h b/gdb/command.h
index 20ebef2b46f..ffbabba061e 100644
--- a/gdb/command.h
+++ b/gdb/command.h
@@ -134,7 +134,7 @@ struct cmd_list_element
 	/* If type is not_set_cmd, call it like this:  */
 	void (*cfunc) (char *args, int from_tty);
 
-	/* If type is cmd_set or show_cmd, first set the variables, and
+	/* If type is set_cmd or show_cmd, first set the variables, and
 	   then call this.  */
 	void (*sfunc) (char *args, int from_tty, struct cmd_list_element * c);
       }
@@ -172,6 +172,10 @@ struct cmd_list_element
     /* if this command is deprecated, this is the replacement name */
     char *replacement;
 
+    /* If this command represents a show command, then this function
+       is called before the variable's value is examined.  */
+    void (*pre_show_hook) (struct cmd_list_element *c);
+
     /* Hook for another command to be executed before this command.  */
     struct cmd_list_element *hook_pre;