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[Bug tapsets/17928] A number of the systemtap.syscall/syscall.exp tests fail on 32-bit arm because size_t sign extended to 64-bit value
- From: "jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Wed, 04 Feb 2015 21:34:01 +0000
- Subject: [Bug tapsets/17928] A number of the systemtap.syscall/syscall.exp tests fail on 32-bit arm because size_t sign extended to 64-bit value
- Auto-submitted: auto-generated
- References: <bug-17928-6586 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=17928
Josh Stone <jistone at redhat dot com> changed:
What |Removed |Added
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CC| |jistone at redhat dot com
--- Comment #1 from Josh Stone <jistone at redhat dot com> ---
I believe these are just facing the symptoms of syscall wrappers, where every
argument is a simple C long, and an inlined syscall function has the proper
types. So the outer function we probe for .call/return doesn't know signs.
This would be the ongoing work for bug 16716. For a size_t argument, it should
probably be wrapped __ulong(), as syscall.read does for its $count argument.
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