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From: Phil Muldoon <pmuldoon@redhat.com>
To: Tom Tromey <tom@tromey.com>, gdb-patches@sourceware.org
Subject: Re: [RFA] Make "bt N" print correct number of frames when using a frame filter
Date: Wed, 31 May 2017 15:19:00 -0000	[thread overview]
Message-ID: <6e79fd89-6152-4504-3505-f754d0595deb@redhat.com> (raw)
In-Reply-To: <20170423160446.17062-1-tom@tromey.com>

On 23/04/17 17:04, Tom Tromey wrote:
> PR python/16497 notes that using "bt" with a positive argument prints
> the wrong number of frames when a frame filter is in use.  Also, in this
> case, the non-frame-filter path will print a message about "More stack
> frames" when there are more; but this is not done in the frame-filter
> case.
> 
> The first problem is that backtrace_command_1 passes the wrong value
> to apply_ext_lang_frame_filter -- that function takes the final
> frame's number as an argument, but backtrace_command_1 passes the
> count, which is off by one.
> 
> The solution to the second problem is to have the C stack-printing
> code stop at the correct number of frames and then print the message.

Good catch. Patch LGTM.

Cheers

Phil

  parent reply	other threads:[~2017-05-31 15:19 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-23 16:04 Tom Tromey
2017-04-25 18:27 ` Sergio Durigan Junior
2017-04-26  0:17   ` Tom Tromey
2017-05-29 17:21 ` Tom Tromey
2017-09-30 20:38   ` Tom Tromey
2018-02-12 16:45     ` Tom Tromey
2018-02-24 17:09       ` Tom Tromey
2018-02-25 18:29         ` Simon Marchi
2018-02-26 16:35           ` Tom Tromey
2017-05-31 15:19 ` Phil Muldoon [this message]
2017-06-27 18:37 ` Pedro Alves
2017-07-14 18:56   ` Tom Tromey
2017-08-14 14:19     ` Pedro Alves

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