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Re: [RFA] testsuite tweak for gdb.arch/i386-signal.c


Mark Kettenis wrote:
Date: Mon, 13 Jul 2009 13:23:39 -0700
From: Michael Snyder <msnyder@vmware.com>

Index: gdb.arch/i386-signal.c
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.arch/i386-signal.c,v
retrieving revision 1.4
diff -u -p -r1.4 i386-signal.c
--- gdb.arch/i386-signal.c 3 Jan 2009 05:58:03 -0000 1.4
+++ gdb.arch/i386-signal.c 13 Jul 2009 20:22:52 -0000
@@ -37,6 +37,10 @@ main (void)
The default CIE created by gas suffices to unwind from an empty
function. */
+/* Note: to make sure that the Dwarf unwinder gets to handle
+ the frame, we add an extra 'nop' after the label. Otherwise,
+ the new epilogue unwinder will see the 'ret' and grab the frame. */

Hmm, at some point in the future this epilogue unwinder will no longer be new.

Well it'll still be newer than the others, but ok, I'll take out the word 'new'. ;-)




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