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RE: A question about gdb script


 

> -----Original Message-----
> From: gdb-owner@sourceware.org 
> [mailto:gdb-owner@sourceware.org] On Behalf Of Hui Zhu
> Sent: November-26-09 9:30 AM
> To: Pedro Alves; Daniel Jacobowitz; Michael Snyder
> Cc: gdb@sourceware.org
> Subject: Re: A question about gdb script
> 
> On Thu, Nov 26, 2009 at 00:06, Pedro Alves 
> <pedro@codesourcery.com> wrote:
> > On Wednesday 25 November 2009 15:11:51, Daniel Jacobowitz wrote:
> >> > 2. ?Sometime, I want just record a function, I want:
> >> > b functon_name
> >> > commands
> >> > silent
> >> > record
> >> > finish
> >> > #Maybe we can record save in this line, this is first question.
> >> > record stop
> >> > end
> >> > But when I really do it. ?I found that gdb stop running 
> after finish.
> >> >
> >> > Could you help me with them?
> >>
> >> This is a known limitation of breakpoint commands. ?It's very
> >> difficult.
> >
> > Try using the hook-stop instead. ?Something like this:
> >
> > ?set $stop_recording_on_next_stop=0
> >
> > ?b functon_name
> > ?commands
> > ?silent
> > ?record
> > ?set $stop_recording_on_next_stop=1
> > ?finish
> > ?end
> >
> > ?define hook-stop
> > ? if $stop_recording_on_next_stop
> > ? ? set $stop_recording_on_next_stop=0
> > ? ? record save
> > ? ? record stop
> > ? ? end
> > ? end
> >
> 
> Cool.  I change hook-stop to:
> define hook-stop
>    if $stop_recording_on_next_stop
>      set $stop_recording_on_next_stop=0
>      record save
>      record stop
>     c
>      end
>    end
> 
> It looks not bad, but got a lot of:
> ---Type <return> to continue, or q <return> to quit---q

I think the command
set pagination off
will prevent this.

> If you don't mind, I will post a patch to change each fprintf_filtered
> in record.c to fprintf_unfiltered.
> 
> Thanks,
> Hui
> 


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