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From: Kevin Buettner <kevin@buettner.to>
To: gdb-patches@sourceware.org
Subject: Re: [PATCH v2 4/5] Make gdb.PendingFrame.read_register handle "user" registers
Date: Wed, 16 Nov 2016 19:08:00 -0000	[thread overview]
Message-ID: <20161116120824.0e8718f7@pinnacle.lan> (raw)
In-Reply-To: <20161102152332.29708966@pinnacle.lan>

On Wed, 2 Nov 2016 15:23:32 -0700
Kevin Buettner <kevin@buettner.to> wrote:

> [ FYI, Pedro has already OK'd this one.  It's unchanged from the version
>   in the earlier series, but is included here for completeness. ]
> 
> The C function, pending_framepy_read_register(), which implements
> the python interface gdb.PendingFrame.read_register does not handle
> the so called "user" registers like "pc".  An assertion error is
> triggered due to the user registers having numbers larger than or
> equal to gdbarch_num_regs(gdbarch).
> 
> With the VALUE_FRAME_ID tweak in place, the call to
> get_frame_register_value() can simply be replaced by a call to
> value_of_register(), which handles both real registers as well as the
> user registers.
> 
> gdb/ChangeLog:
>     
>     	* python/py-unwind.c (pending_framepy_read_register): Use
>     	value_of_register() instead of get_frame_register_value().

I've pushed this change.

Kevin


  reply	other threads:[~2016-11-16 19:08 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-02 22:11 [PATCH v2 0/5] Prevent more recursion in python based unwinders Kevin Buettner
2016-11-02 22:14 ` [PATCH v2 1/5] Extend test gdb.python/py-recurse-unwind.exp Kevin Buettner
2016-11-09 13:59   ` Pedro Alves
2016-11-16 18:52     ` Kevin Buettner
2016-11-16 22:46       ` Sergio Durigan Junior
2016-11-17 15:27         ` Kevin Buettner
2016-11-02 22:16 ` [PATCH v2 3/5] Distinguish sentinel frame from null frame Kevin Buettner
2016-11-02 22:20   ` Kevin Buettner
2016-11-09 14:48   ` Pedro Alves
2016-11-16 18:54     ` Kevin Buettner
2016-11-02 22:19 ` [PATCH v2 3/5] Change meaning of VALUE_FRAME_ID; rename to VALUE_NEXT_FRAME_ID Kevin Buettner
2016-11-09 14:48   ` Pedro Alves
2016-11-16 19:08     ` Kevin Buettner
2016-11-02 22:23 ` [PATCH v2 4/5] Make gdb.PendingFrame.read_register handle "user" registers Kevin Buettner
2016-11-16 19:08   ` Kevin Buettner [this message]
2016-11-02 22:26 ` [PATCH v2 5/5] Stash frame id of current frame before stashing frame id for previous frame Kevin Buettner
2016-11-09 14:48   ` Pedro Alves
2016-11-16 19:07     ` Kevin Buettner

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