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Re: Breakpoint commands in MI mode and "backtrace"


> Cc: gdb@sourceware.org
> From: Simon Marchi <simark@simark.ca>
> Date: Mon, 9 Oct 2017 08:02:24 -0400
> 
> Anyhow, can you try this patch here?  It changes the uiout manually instead of
> going through safe_execute_command.

Since this worked for me, in GDB 8.0, can something similar be put in
the current master, so the next GDB release will have this bug fixed?

Thanks.

> diff --git a/gdb/cli/cli-script.c b/gdb/cli/cli-script.c
> index f1db954a69..b08954132b 100644
> --- a/gdb/cli/cli-script.c
> +++ b/gdb/cli/cli-script.c
> @@ -472,6 +472,8 @@ print_command_trace (const char *cmd)
>    printf_filtered ("%s\n", cmd);
>  }
> 
> +static void restore_interp (void *arg);
> +
>  enum command_control_type
>  execute_control_command (struct command_line *cmd)
>  {
> @@ -491,8 +493,17 @@ execute_control_command (struct command_line *cmd)
>        {
>  	/* A simple command, execute it and return.  */
>  	std::string new_line = insert_user_defined_cmd_args (cmd->line);
> +
> +	struct interp *old_interp = interp_set_temp (INTERP_CONSOLE);
> +	struct cleanup *old_chain = make_cleanup (restore_interp, old_interp);
> +	scoped_restore save_uiout
> +	  = make_scoped_restore (&current_uiout,
> +		     current_interpreter ()->interp_ui_out ());
> +
>  	execute_command (&new_line[0], 0);
>  	ret = cmd->control_type;
> +
> +	do_cleanups (old_chain);
>  	break;
>        }
> 
> 
> 


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