From: Joe Buehler <aspam@cox.net>
To: linux-mips@linux-mips.org
Subject: using mprotect to write to .text
Date: Mon, 10 Oct 2011 20:02:39 +0000 (UTC) [thread overview]
Message-ID: <loom.20111010T215444-70@post.gmane.org> (raw)
I intend to use mprotect in a running binary to allow it to modify its .text
section. The detailed behavior of mprotect for a multithreaded program on SMP
hardware is not documented as far as I can tell.
Can I depend on the LINUX mprotect call to take care of icache flushing,
handling of hazards, etc.? I am using Octeon CN5650 on 2.6.21.7 and 2.6.27.7 if
it matters.
Joe Buehler
next reply other threads:[~2011-10-11 10:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-10 20:02 Joe Buehler [this message]
2011-10-11 16:36 ` using mprotect to write to .text David Daney
2011-10-11 17:31 ` Joe Buehler
2011-10-11 18:06 ` David Daney
2011-10-11 18:35 ` Joe Buehler
2011-10-11 18:43 ` David Daney
2011-10-11 23:17 ` Ralf Baechle
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