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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)
- From: "scox at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Tue, 13 Dec 2011 20:31:37 +0000
- Subject: [Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)
- Auto-submitted: auto-generated
- References: <bug-13429-6586@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=13429
Stan Cox <scox at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |scox at redhat dot com
--- Comment #4 from Stan Cox <scox at redhat dot com> 2011-12-13 20:31:37 UTC ---
In an internal context, %fs:0 contains the linear base address of the tls
segment. In an external context, the base address is available via ptrace:
i386: PTRACE_GET_THREAD_AREA
x86_64: PTRACE_ARCH_PRCTL
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