Create usymname and usymdata variant that trigger STP_NEED_VMA_TRACKER.

* tapset/context-symbols.stp (syname, symdata): Pass NULL for kernel address.
* tapset/ucontext-symbols.stp: New file defining usymname and usymdata.
* testsuite/systemtap.context/usymbols.exp: Use usymname, remove
  STP_NEED_VMA_TRACKER hack.
* testsuite/buildok/usymdata.stp: New test.
* testsuite/buildok/usymname.stp: Likewise.

2 files changed, 16 insertions, 0 deletions

diff --git a/testsuite/buildok/usymdata.stp b/testsuite/buildok/usymdata.stp
new file mode 100755
index 00000000..48c1f36f
--- /dev/null
+++ b/testsuite/buildok/usymdata.stp
@@ -0,0 +1,8 @@
+#! stap -p4
+#
+# Test the translatability for usymdata()
+#
+probe begin
+{
+   log(usymdata(0))
+}
diff --git a/testsuite/buildok/usymname.stp b/testsuite/buildok/usymname.stp
new file mode 100755
index 00000000..57e3f9c2
--- /dev/null
+++ b/testsuite/buildok/usymname.stp
@@ -0,0 +1,8 @@
+#! stap -p4
+#
+# Test the translatability for usymname()
+#
+probe begin
+{
+   log(usymname(0))
+}