graal-compiler: src/share/vm/runtime/thread.cpp comparison

7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244) Reviewed-by: kvn

comparison

equal deleted inserted replaced

-:7b5c767f229c
+:7588156f5cf9
 fst.current()->print_value_on(tty,this);
 tty->cr();
 }
 }
+class PrintAndVerifyOopClosure: public OopClosure {
+protected:
+template <class T> inline void do_oop_work(T* p) {
+oop obj = oopDesc::load_decode_heap_oop(p);
+if (obj == NULL) return;
+tty->print(INTPTR_FORMAT ": ", p);
+if (obj->is_oop_or_null()) {
+if (obj->is_objArray()) {
+tty->print_cr("valid objArray: " INTPTR_FORMAT, (oopDesc*) obj);
+} else {
+obj->print();
+}
+} else {
+tty->print_cr("invalid oop: " INTPTR_FORMAT, (oopDesc*) obj);
+}
+tty->cr();
+}
+public:
+virtual void do_oop(oop* p) { do_oop_work(p); }
+virtual void do_oop(narrowOop* p)  { do_oop_work(p); }
+};
+static void oops_print(frame* f, const RegisterMap *map) {
+PrintAndVerifyOopClosure print;
+f->print_value();
+f->oops_do(&print, NULL, (RegisterMap*)map);
+}
+// Print our all the locations that contain oops and whether they are
+// valid or not.  This useful when trying to find the oldest frame
+// where an oop has gone bad since the frame walk is from youngest to
+// oldest.
+void JavaThread::trace_oops() {
+tty->print_cr("[Trace oops]");
+frames_do(oops_print);
+}
 #ifdef ASSERT
 // Print or validate the layout of stack frames
 void JavaThread::print_frame_layout(int depth, bool validate_only) {
 ResourceMark rm;

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