From: David Howells <dhowells@redhat.com>
To: Nicolas Pitre <nico@fluxnic.net>
Cc: dhowells@redhat.com,
Russell King - ARM Linux admin <linux@armlinux.org.uk>,
linux-arm-kernel@lists.infradead.org,
Alexander Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PULL REQUEST v2] FDPIC ELF support for ARM
Date: Tue, 09 Jun 2020 09:06:52 +0100 [thread overview]
Message-ID: <2913175.1591690012@warthog.procyon.org.uk> (raw)
In-Reply-To: <nycvar.YSQ.7.77.849.2006082137050.1353413@knanqh.ubzr>
Nicolas Pitre <nico@fluxnic.net> wrote:
> Well... of course it could also be silly to run gdb on ELF_FDPIC-only
> systems as such systems are expected to have highly constrained
> resources.
gdbserver and kgdb work. But on a NOMMU system, FDPIC allows for executable
and library text segment and rodata segment sharing and you can't set
breakpoints by instruction substitution in anything that's shared - uclibc,
for example - so you have to be very careful.
David
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prev parent reply other threads:[~2020-06-09 8:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-30 3:16 [PULL REQUEST v2] FDPIC ELF support for ARM Nicolas Pitre
2017-09-19 21:14 ` Nicolas Pitre
2020-06-08 22:47 ` Russell King - ARM Linux admin
2020-06-09 3:48 ` Nicolas Pitre
2020-06-09 4:19 ` Al Viro
2020-06-09 8:06 ` David Howells [this message]
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