From: Kevin Buettner <kevinb@redhat.com>
To: Andrew Cagney <ac131313@redhat.com>, gdb-patches@sources.redhat.com
Subject: Re: [patch rfc] unwind sentinel id/pc
Date: Mon, 03 Mar 2003 18:42:00 -0000 [thread overview]
Message-ID: <1030303184218.ZM18306@localhost.localdomain> (raw)
In-Reply-To: Andrew Cagney <ac131313@redhat.com> "[patch rfc] unwind sentinel id/pc" (Mar 2, 3:25pm)
On Mar 2, 3:25pm, Andrew Cagney wrote:
> Following on from my recent post to add an unwind_dummy_id() method,
> this code adds architecture specific methods to handle the edge case of
> unwinding the sentinel frame's PC/ID.
>
> While I'm pretty sure that the methods are needed, I'm not 100% certain
> of their interfaces. The attached has:
>
> unwind_sentinel_id(arch, regcache, unwind_cache)
>
> I'm wondering if, instead it should use something like:
>
> unwind_sentinel_id(arch, tpid, unwind_cache)
>
> where a new method:
>
> tpid_regcache (tpid)
>
> could be used to obtain the tpid's register cache. I'm thinking this
> since, for the case of the i386, it may need the thread's state in
> addition to registers when determing the `pc'.
s/tpid/ptid/ in the above.
ptid_regcache() does sound useful.
Kevin
next prev parent reply other threads:[~2003-03-03 18:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-02 20:23 Andrew Cagney
2003-03-03 18:42 ` Kevin Buettner [this message]
2003-03-07 17:31 ` Andrew Cagney
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