2006-06-02 Frank Ch. Eigler <fche@elastic.org>

	PR 2645 cont'd.
	* elaborate.cxx (find_and_build): Support optional wildcards too.
	(derive_probes): Change last argument to indicate optionalness of
	parent probe point (alias reference).
	(alias_expansion_builder): Shrink epilogue-mode alias body copying.
	Pass along alias reference optionality.
	* elaborate.h: Corresponding changes.
	* testsuite/semko/thirtyfive.stp, semok/twentytwo.stp: New tests.

2 files changed, 14 insertions, 0 deletions

diff --git a/testsuite/semko/thirtyfive.stp b/testsuite/semko/thirtyfive.stp
new file mode 100755
index 00000000..e54898af
--- /dev/null
+++ b/testsuite/semko/thirtyfive.stp
@@ -0,0 +1,4 @@
+#! stap -p2
+
+probe foo.a = kernel.function("no_such_function")? { "alias a" }
+probe foo.* { }
diff --git a/testsuite/semok/twentytwo.stp b/testsuite/semok/twentytwo.stp
new file mode 100755
index 00000000..f8f44ffb
--- /dev/null
+++ b/testsuite/semok/twentytwo.stp
@@ -0,0 +1,10 @@
+#! stap -p2
+
+probe foo.a = kernel.function("no_such_function")?, never { "alias a" }
+probe foo.* { }
+
+probe baz.a = kernel.function("no_such_function") { "alias a" }
+probe baz.* ? { }
+
+probe bar = kernel.function("no_such_function") { "alias b" }
+probe bar ? { }