From: Alan Modra <amodra@gmail.com>
To: Cary Coutant <ccoutant@google.com>
Cc: Doug Evans <dje@google.com>,
"Metzger, Markus T" <markus.t.metzger@intel.com>,
"gdb@sourceware.org" <gdb@sourceware.org>,
"binutils@sourceware.org" <binutils@sourceware.org>
Subject: Re: vdso handling
Date: Thu, 13 Mar 2014 01:01:00 -0000 [thread overview]
Message-ID: <20140313010147.GZ26922@bubble.grove.modra.org> (raw)
In-Reply-To: <CAHACq4o=HmdCo1FPFL-96raf2UN805jvM=VZM-9dbKrmzJFJTw@mail.gmail.com>
On Wed, Mar 12, 2014 at 01:22:58PM -0700, Cary Coutant wrote:
> > I think a case can be made that gdb should be able to use the
> > "execution view" of the program here.
> > As for how to achieve that ... "Discuss." :-)
>
> Add a PT_DEBUG program header entry? The PT_DEBUG segment would need
> to have a small header that allows the debugger to find .debug_abbrev,
> .debug_info, etc. (i.e., a mini section table). Or, just add
> individual program header entries for each of the standard debug
> sections: PT_DEBUG_ABBREV, PT_DEBUG_INFO, etc.
Debug sections are not normally loaded. For that reason I don't think
it makes any sense to specify program headers for them. It wouldn't
help in the vdso case anyway, since the problem there is that you only
have the loaded part of the original ELF file.
--
Alan Modra
Australia Development Lab, IBM
next prev parent reply other threads:[~2014-03-13 1:01 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-10 13:05 Metzger, Markus T
2014-03-12 7:17 ` Alan Modra
2014-03-12 11:31 ` Mike Frysinger
2014-03-12 17:34 ` Doug Evans
2014-03-12 20:23 ` Cary Coutant
2014-03-13 1:01 ` Alan Modra [this message]
2014-03-13 8:25 ` Metzger, Markus T
2014-03-13 9:48 ` Metzger, Markus T
2014-03-13 10:07 ` Pedro Alves
2014-03-13 10:46 ` Pedro Alves
2014-06-01 23:45 ` Samuel Bronson
2014-06-06 12:45 ` Pedro Alves
2014-03-13 13:13 ` Alan Modra
2014-03-13 9:52 ` Mark Wielaard
2014-03-13 13:03 ` Alan Modra
2014-03-13 14:38 ` Mark Wielaard
2014-03-13 14:59 ` Pedro Alves
2014-03-13 15:04 ` Pedro Alves
2014-03-13 15:26 ` Pedro Alves
2014-03-13 23:53 ` Alan Modra
2014-03-18 15:14 ` Metzger, Markus T
2014-03-18 23:10 ` Alan Modra
2014-03-19 8:11 ` Metzger, Markus T
2014-03-19 8:31 ` Metzger, Markus T
2014-03-19 12:04 ` Pedro Alves
2014-03-20 2:00 ` Alan Modra
2014-03-21 15:55 ` Pedro Alves
2014-03-26 9:32 ` Metzger, Markus T
2014-03-19 12:03 ` Pedro Alves
2014-03-20 1:33 ` Alan Modra
2014-03-21 8:10 ` Metzger, Markus T
2014-03-21 15:48 ` Pedro Alves
2014-03-28 6:13 ` Alan Modra
2014-03-28 13:38 ` Pedro Alves
2014-03-28 23:00 ` Alan Modra
2014-04-01 13:46 ` Pedro Alves
2014-04-02 1:50 ` Alan Modra
2014-04-02 8:05 ` Metzger, Markus T
2014-04-02 8:04 ` Hans-Peter Nilsson
2014-04-03 1:06 ` Alan Modra
2014-04-03 1:46 ` Alan Modra
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