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From: Simon Marchi <simark@simark.ca>
To: Stas Perepelitsa <pet.shelford@gmail.com>, gdb@sourceware.org
Subject: Re: Displaying variables from namespace with strange DWARF info
Date: Fri, 11 Sep 2020 10:49:06 -0400	[thread overview]
Message-ID: <807038ce-913d-f8a1-2bad-bce2da867a6d@simark.ca> (raw)
In-Reply-To: <CAEnSbcyDoxiNozen0mApZEmb7fCUjG-VeGKJZ6aZim06LfYVMw@mail.gmail.com>

On 2020-09-08 11:13 a.m., Stas Perepelitsa via Gdb wrote:
> Hi All,
> 
> I've got an ELF file compiled with a proprietary C/C++ compiler, where the
> project contains namespaces.
> 
> I’ve parsed DWARF info and it reveals that variables sitting in namespace
> have their names fully qualified, like AAA::BBB::name.
> 
> Another point, the compilation unit marked as C89 source regardless of C++
> source file taken as input file.
> 
> And there are no attributes ’ DW_AT_namespace’ found in DWARF info.

You mean DW_TAG_namespace?

> (Checked same project with ARM compiler and yes, there are those attributes)
> As a result, the variables from namespaces are neither displayed as
> variables nor as expressions. Is there any chance to teach gdb how to
> process such names?

Yes, it would be by hacking in dwarf2/read.c.  I don't know how easy or difficult
this particular change would be though.

Simon

      reply	other threads:[~2020-09-11 14:49 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-08 15:13 Stas Perepelitsa
2020-09-11 14:49 ` Simon Marchi [this message]

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