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unwind-info missing for x86 syscall stubs?

From: David Mosberger <davidm at napali dot hpl dot hp dot com>
To: libc-hacker at sources dot redhat dot com
Cc: davidm at napali dot hpl dot hp dot com
Date: Mon, 22 Nov 2004 18:12:15 -0800
Subject: unwind-info missing for x86 syscall stubs?
Reply-to: davidm at hpl dot hp dot com

While working on the x86-version of libunwind, I noticed that there
appears to be no DWARF2 unwind-info for automatically generated x86
syscall stubs (such as for kill).  OTOH, I do see such unwind-info for
the x86-64 version of the library.

Is this info really missing in the x86 version or am I perhaps using
an out-of-date toolchain?

	--david

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