PR5516: assignment to $pointers

2008-03-03  Frank Ch. Eigler  <fche@elastic.org>

	PR5516
	* elaborate.cxx (symbol_fetcher, dead_assignment_remover):
	Support unresolved $target lvalues.  Propagate pretty error
	messages.
	* staptree.cxx (varuse_collecting_visitor target_symbol): Ditto.
	* staptree.h: Corresponding decl.

	* loc2c.c: c_translate_pointer_store: New function.
	* loc2c.h: Corresponding decl.
	* tapsets.cxx (dwflpp::translate_final_fetch_or_store): Call it
	for $target pointer assignments.

2008-03-03  Frank Ch. Eigler  <fche@elastic.org>

	PR5516
	* buildok/twentynine.stp: New test.

1 files changed, 6 insertions, 0 deletions

diff --git a/testsuite/buildok/twentynine.stp b/testsuite/buildok/twentynine.stp
new file mode 100755
index 00000000..826f5e73
--- /dev/null
+++ b/testsuite/buildok/twentynine.stp
@@ -0,0 +1,6 @@
+#! stap -gp4
+
+probe kernel.function("icmp_rcv") {
+       printf("skb = %x\n", $skb);
+       $skb = 0;
+}