From: Andrew Cagney <ac131313@cygnus.com>
To: Daniel Berlin <dan@dberlin.org>
Cc: gdb-patches@sources.redhat.com
Subject: Re: [WIP]: LOC_COMPUTED and LOC_COMPUTED_ARG
Date: Sat, 06 Apr 2002 18:24:00 -0000 [thread overview]
Message-ID: <3CAFADDF.4030607@cygnus.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0204062103440.28166-100000@dberlin.org>
>
> I'm confused now.
> I grepped for frame->base, and find no occurrences of it.
Try frame->frame $frame.base is the variable I'm adding that gives
access to the corresponding value.
> Anyway, DW_OP_fbreg has a special meaning.
> It specifically means "Use the value you get from evaluating the
> DW_AT_frame_base attribute of the current function". So that's what we do.
> Even more specifically, "The DW_OP_fbreg operation provides a signed
> LEB128 offset from the address specified by the location description in
> the DW_AT_frame_base attribute of the current function."
Yes, and as far as I can tell the value of DW_AT_frame_base (3.3.5?)
should have previously been computed as frame->frame.
> I'm just doing what the spec says, nothing more, nothing less.
> :)
I'm trying to save work :-)
Andrew
prev parent reply other threads:[~2002-04-07 2:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-26 8:02 Daniel Berlin
2002-04-06 16:34 ` Andrew Cagney
2002-04-06 16:41 ` Daniel Berlin
2002-04-06 17:23 ` Andrew Cagney
2002-04-06 18:08 ` Daniel Berlin
2002-04-06 18:24 ` Andrew Cagney [this message]
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