src/share/vm/runtime/thread.cpp

*** 29,38 ****
--- 29,39 ----
  #include "classfile/vmSymbols.hpp"
  #include "code/scopeDesc.hpp"
  #include "compiler/compileBroker.hpp"
  #include "interpreter/interpreter.hpp"
  #include "interpreter/linkResolver.hpp"
+ #include "interpreter/oopMapCache.hpp"
  #include "jvmtifiles/jvmtiEnv.hpp"
  #include "memory/oopFactory.hpp"
  #include "memory/universe.inline.hpp"
  #include "oops/instanceKlass.hpp"
  #include "oops/objArrayOop.hpp"
*** 2856,2865 ****
--- 2857,2885 ----
      tty->print("  %d. ", frame_no++);
      fst.current()->print_value_on(tty,this);
      tty->cr();
    }
  }
+ 
+ 
+ // Print or validate the layout of stack frames
+ void JavaThread::print_frame_layout(int depth, bool validate_only) {
+   ResourceMark rm;
+   PRESERVE_EXCEPTION_MARK;
+   FrameValues values;
+   int frame_no = 0;
+   for(StackFrameStream fst(this, false); !fst.is_done(); fst.next()) {
+     fst.current()->describe(values, ++frame_no);
+     if (depth == frame_no) break;
+   }
+   if (validate_only) {
+     values.validate();
+   } else {
+     tty->print_cr("[Describe stack layout]");
+     values.print();
+   }
+ }
  
  
  void JavaThread::trace_stack_from(vframe* start_vf) {
    ResourceMark rm;
    int vframe_no = 1;