From fc204b30292a3a5f1aa602171dc44d937cb2c20f Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mjw@redhat.com>
Date: Tue, 7 Apr 2009 12:25:53 +0200
Subject: 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.
---
 tapset/ucontext-symbols.stp | 52 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 tapset/ucontext-symbols.stp

(limited to 'tapset/ucontext-symbols.stp')

diff --git a/tapset/ucontext-symbols.stp b/tapset/ucontext-symbols.stp
new file mode 100644
index 00000000..3813a8bf
--- /dev/null
+++ b/tapset/ucontext-symbols.stp
@@ -0,0 +1,52 @@
+// User context symbols tapset
+// Copyright (C) 2009 Red Hat Inc.
+//
+// This file is part of systemtap, and is free software.  You can
+// redistribute it and/or modify it under the terms of the GNU General
+// Public License (GPL); either version 2, or (at your option) any
+// later version.
+
+// <tapsetdescription>
+// User context symbol functions provide additional information about
+// addresses from an application. These functions can provide
+// information about the user space map (library) that the event occured or
+// the function symbol of an address.
+// </tapsetdescription>
+
+%{
+#ifndef STP_NEED_SYMBOL_DATA
+#define STP_NEED_SYMBOL_DATA 1
+#endif
+#ifndef STP_NEED_VMA_TRACKER
+#define STP_NEED_VMA_TRACKER 1
+#endif
+%}
+
+/**
+ * sfunction usymname - Return the symbol of an address in the current task.
+ * @addr: The address to translate.
+ *
+ * Description: Returns the (function) symbol name associated with the
+ * given address if known. If not known it will return the hex string
+ * representation of addr.
+ */
+function usymname:string (addr: long) %{ /* pure */
+	 _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, THIS->addr,
+			     current, 0);
+%}
+
+/**
+ * sfunction usymdata - Return the symbol and module offset of an address.
+ * @addr: The address to translate.
+ *
+ * Description: Returns the (function) symbol name associated with the
+ * given address in the current task if known, plus the module name
+ * (between brackets) and the offset inside the module (shared library),
+ * plus the size of the symbol function. If any element is not known it
+ * will be ommitted and if the symbol name is unknown it will return the
+ * hex string for the given address.
+ */
+function usymdata:string (addr: long) %{ /* pure */
+	 _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, THIS->addr,
+			     current, 1);
+%}
-- 
cgit