2005-10-17 Frank Ch. Eigler <fche@elastic.org>

	PR 1338.
	* parse.cx (parse_probe): Unconditionally visit parse_probe_point.
	(parse_probe_point): Accept "*" as component name.
	* stapprobes.5.in: Document this.
	* elaborate.cxx (derive_probes): Rewrite.  Make top-level function.
	(match_node::find_and_build): New function to replace
	(find_builder): Removed.
	(match_key operator <): Correct one nasty typo.
	(match_node::bind): Refuse to bind "*" component names.
	(derived_probe_builder::build): Remove recursion output param.
	(alias_expandion_builder::build): Recurse to derive_probes instead.
	* elaborate.h: Corresponding changes.
	* tapsets.cxx: Ditto.
	(query_cu): Elide prologue finding for uninteresting CUs.
	* testsuite/semok/nineteen.stp: New test.
	* testsuite/semko/twentythree.stp: New test.
	* testsuite/semko/twentyone/two.stp: Fix -p2.

1 files changed, 10 insertions, 0 deletions

diff --git a/testsuite/semok/nineteen.stp b/testsuite/semok/nineteen.stp
new file mode 100755
index 00000000..dcd9fb7e
--- /dev/null
+++ b/testsuite/semok/nineteen.stp
@@ -0,0 +1,10 @@
+#! stap -p2
+
+probe foo.a = bar.a { "alias a" }
+probe foo.b = bar.b { "alias b" }
+probe bar.a = begin { "begin" }
+probe bar.b = end { "end" }
+probe baz = bar.* { "wild aliases" }  # baz expands to multiple aliases
+probe foo.* { "foo" }  # refers to multiple aliases
+probe bar.* { "bar" }  # refers to multiple probes
+probe baz { "baz" }