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From: Andrew Cagney <ac131313@cygnus.com>
To: Doug Evans <dje@transmeta.com>
Cc: Eli Zaretskii <eliz@is.elta.co.il>, gdb@sources.redhat.com
Subject: Re: does bpstat_print stop printing prematurely?
Date: Thu, 09 May 2002 20:44:00 -0000	[thread overview]
Message-ID: <3CDB4216.30607@cygnus.com> (raw)
In-Reply-To: <15548.25669.770292.567059@casey.transmeta.com>

>  > Assuming one decides to print all breakpoints, either move the
>  > control for source/frame printing into bpstat_print or pull
>  > the loop in bpstat_print into normal_stop().
> 
> Hmmm... another possibility is to do neither.
> Instead, with the preprocessing pass in bpstat_print one
> could early exit if printit_done is found, otherwise print
> all the non-pc breakpoints first, then print all the pc-breakpoints last,
> and then return one of `print_stop_action'.
> 
> That's requires a minimal amount of change and feels safest.
> The only issue is whether programs that parse the output would
> get confused if multiple pc breakpoints get reported.
> The source location would still only be printed once so I'm guessing
> it's ok, but someone with some knowledge of all the various
> programs that parse the output should be consulted.

Hmm,

Yes, I agree with the comment about not reporting multiple watchpoint 
trigers is a bug.  As for breakpoints, normal behavour is to just report 
the first real breakpoint - you've previously been advised that you've 
multiple breakpoints and I'm guessing this [unfortunatly] is behind the 
early loop exit.

The functions that handle bpstat are in bad shape anyway.  One function 
should analyze the stop reason creating the list.  A second function 
should use this list to decide what to print.  MI needs this separation 
to be able to report stop events reliably.

Anyway, suggest at least bug-reporting it.

Andrew


      reply	other threads:[~2002-05-10  3:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-15 13:03 Doug Evans
2002-04-15 22:03 ` Eli Zaretskii
2002-04-15 23:43   ` Doug Evans
2002-04-16  0:40     ` Eli Zaretskii
2002-04-16  5:55     ` Eli Zaretskii
2002-04-16  8:43       ` Doug Evans
2002-04-16 10:50       ` Doug Evans
2002-05-09 20:44         ` Andrew Cagney [this message]

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