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6655646: dynamic languages need dynamically linked call sites

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Invokedynamic instruction (JSR 292 RI)

Reviewed-by: twisti, never
This commit is contained in:
John R Rose 2009-04-21 23:21:04 -07:00
parent fd05c28901
commit 34c1d72421
65 changed files with 1457 additions and 264 deletions
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5
hotspot/src/share/vm/oops/methodOop.hpp
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@ -534,7 +534,10 @@ class methodOopDesc : public oopDesc {
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(); }