From: John Dallaway <john@dallaway.org.uk>
To: Rutger Hofman <rutger@cs.vu.nl>
Cc: eCos development list <ecos-devel@ecos.sourceware.org>
Subject: GCC stack protector with linux synthetic target
Date: Mon, 29 Jun 2009 07:24:00 -0000 [thread overview]
Message-ID: <4A486BEE.9070803@dallaway.org.uk> (raw)
In-Reply-To: <4A475994.7010203@cs.vu.nl>
Hi Rutger
Rutger Hofman wrote:
> An aside: I run Ubuntu. At first, I couldn't run synth at all.
> Applications would crash, and gdb would crash on the application too!
> After some list searching, I found out that this probably is
> Ubuntu-specific. We need to include -fno-stack-protector in the
> GLOBAL_CFLAGS configure flag. Request: cannot this be automated for
> synth building? My guess is that it will not harm on systems other than
> Ubuntu, and it will save Ubuntu users effort.
Do you understand _why_ eCos is crashing with the GCC stack protector
enabled? Is it due to an assumption made in eCos regarding the stack
frame which could be corrected? We should ensure we understand the
nature of the failure before disabling this feature.
John Dallaway
next prev parent reply other threads:[~2009-06-29 7:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-28 11:46 Rutger's NAND flash now has a synth package Rutger Hofman
2009-06-29 6:42 ` Simon Kallweit
2009-06-29 7:52 ` Sergei Gavrikov
2009-06-29 11:32 ` Rutger Hofman
2009-06-29 7:24 ` John Dallaway [this message]
2009-06-29 7:50 ` GCC stack protector with linux synthetic target Andrew Lunn
2009-06-29 9:50 ` Bart Veer
2009-06-30 8:55 ` John Dallaway
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