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diff src/share/vm/oops/methodOop.hpp @ 726:be93aad57795

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6655646: dynamic languages need dynamically linked call sites Summary: invokedynamic instruction (JSR 292 RI) Reviewed-by: twisti, never
author jrose
date Tue, 21 Apr 2009 23:21:04 -0700
parents e5b0439ef4ae
children 75596850f863
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line diff
--- a/src/share/vm/oops/methodOop.hpp	Mon Apr 20 14:48:03 2009 -0700
+++ b/src/share/vm/oops/methodOop.hpp	Tue Apr 21 23:21:04 2009 -0700
@@ -534,7 +534,10 @@
   oop method_handle_type() const;
   static jint* method_type_offsets_chain();  // series of pointer-offsets, terminated by -1
   // presize interpreter frames for extra interpreter stack entries, if needed
-  static int extra_stack_entries() { return EnableMethodHandles ? (int)MethodHandlePushLimit : 0; }
+  // method handles want to be able to push a few extra values (e.g., a bound receiver), and
+  // invokedynamic sometimes needs to push a bootstrap method, call site, and arglist,
+  // all without checking for a stack overflow
+  static int extra_stack_entries() { return (EnableMethodHandles ? (int)MethodHandlePushLimit : 0) + (EnableInvokeDynamic ? 3 : 0); }
   static int extra_stack_words();  // = extra_stack_entries() * Interpreter::stackElementSize()
   // RedefineClasses() support:
   bool is_old() const                               { return access_flags().is_old(); }