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[Bug dyninst/14490] Enable stapdyn in multiarch environments
- From: "jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 27 Jun 2013 21:32:05 +0000
- Subject: [Bug dyninst/14490] Enable stapdyn in multiarch environments
- Auto-submitted: auto-generated
- References: <bug-14490-6586 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14490
--- Comment #7 from Josh Stone <jistone at redhat dot com> ---
(In reply to David Smith from comment #6)
> I'm wondering if 32-bit and 64-bit processes can share a pthread mutexes. In
> a 64-bit exe, sizeof(pthread_mutex_t) is 40 bytes. In a 32-bit exe,
> sizeof(pthread_mutex_t) is 24 bytes.
That's a very good point. Gross. I suppose we could create our own locking
primitives, since futex deals in simple ints, but this is definitely a
complication I hadn't thought about.
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