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Message-ID: <41129D74.8030609@gnu.org>
Date: Thu, 05 Aug 2004 20:50:00 -0000
From: Andrew Cagney <cagney@gnu.org>
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To: Daniel Jacobowitz <drow@false.org>
Cc: Jim Blandy <jimb@redhat.com>, Joel Brobecker <brobecker@gnat.com>,
        Mark Kettenis <kettenis@jive.nl>, gdb@sources.redhat.com
Subject: Re: interface to partial support for DW_OP_piece in dwarf2expr.[ch]
References: <vt2fz743d9h.fsf@zenia.home> <4111145F.7000504@gnu.org> <vt2wu0ejy1q.fsf@zenia.home> <200408050952.i759qXFK010181@juw15.nfra.nl> <vt2llgtd5h6.fsf@zenia.home> <20040805162734.GG1192@gnat.com> <vt2hdrh4eb2.fsf@zenia.home> <20040805184611.GA12288@nevyn.them.org> <411290C6.3000704@gnu.org> <20040805203421.GA17540@nevyn.them.org>
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> On Thu, Aug 05, 2004 at 03:55:50PM -0400, Andrew Cagney wrote:
> 
>>>> >On Thu, Aug 05, 2004 at 01:42:25PM -0500, Jim Blandy wrote:
>>>> >
>>>
>>>>>> >>>
>>>>>> >>>Without stopping discussion of the best way to handle scattered values
>>>>>> >>>in core GDB, I'd still like to hear comments on my suggested change to
>>>>>> >>>dwarf2expr.[ch]'s interface, if there are any.
>>>>>> >>>
>>>>>> >>>Because dwarf2expr is supposed to be concerned with evaluating Dwarf
>>>>>> >>>expressions, and *avoid* building GDB data structures directly, I
>>>>>> >>>think that change can be assessed separately from the larger (and
>>>>>> >>>harder, and more important) question.
>>>
>>>> >
>>>> >
>>>> >I think it's fine.  You spelled "yield" wrong.
>>
>>> 
>>> Did this get answered?
>>
>>>> >- a single value can have multiple locations (important for store)
> 
> 
> No.

I was worried I'd missed something.

> dwarf2loc, which deals with the lists of
> locations, will need to be aware of this; but a single location
> expression only has one location.

ah, thank you.

Andrew