From: Alan Modra <amodra@gmail.com>
To: "Metzger, Markus T" <markus.t.metzger@intel.com>
Cc: Pedro Alves <palves@redhat.com>, Mark Wielaard <mjw@redhat.com>,
Cary Coutant <ccoutant@google.com>, Doug Evans <dje@google.com>,
"gdb@sourceware.org" <gdb@sourceware.org>,
"binutils@sourceware.org" <binutils@sourceware.org>
Subject: Re: vdso handling
Date: Thu, 20 Mar 2014 02:00:00 -0000 [thread overview]
Message-ID: <20140320015950.GB13347@bubble.grove.modra.org> (raw)
In-Reply-To: <A78C989F6D9628469189715575E55B230AAB701F@IRSMSX103.ger.corp.intel.com>
On Wed, Mar 19, 2014 at 08:29:47AM +0000, Metzger, Markus T wrote:
> Shouldn't the ehdr indicate that there are no sections in this case?
Nope. See my other email to Pedro.
> If we can't trust the image to contain everything that the ELF header
> describes, would it be safer to generate fake sections based on the
> program header? We already assume that the program header is
> contained in the image.
Yes, you're correct that it is wrong to assume program headers are
loaded. Even worse, the in-memory image doesn't even need to contain
the ELF file header.
--
Alan Modra
Australia Development Lab, IBM
next prev parent reply other threads:[~2014-03-20 2:00 UTC|newest]
Thread overview: 32+ 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
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 20:32 ` 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 [this message]
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
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