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[Bug uprobes/6901] New: process.syscall $arg[0] syntax
- From: "mhiramat at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 18 Sep 2008 07:03:46 -0000
- Subject: [Bug uprobes/6901] New: process.syscall $arg[0] syntax
- Reply-to: sourceware-bugzilla at sourceware dot org
Because all kind of syscall are probed by process.syscall handler, we can't know
statically how many argument which we can access in process.syscall.
However, we can provide a static table which has pairs of syscall number and the
number of arguments, like __syscall_argc[]. In that case, $arg[] array is
useful, because we can trace only valid arguments as $arg[0] ...
$arg[__syscall_argc[$syscall]].
--
Summary: process.syscall $arg[0] syntax
Product: systemtap
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P2
Component: uprobes
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: mhiramat at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=6901
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