--- a/hotspot/src/share/vm/ci/ciMethodHandle.cpp Mon Jul 23 13:04:59 2012 -0700
+++ b/hotspot/src/share/vm/ci/ciMethodHandle.cpp Tue Jul 24 10:51:00 2012 -0700
@@ -24,84 +24,18 @@
#include "precompiled.hpp"
#include "ci/ciClassList.hpp"
-#include "ci/ciInstance.hpp"
-#include "ci/ciMethodData.hpp"
#include "ci/ciMethodHandle.hpp"
#include "ci/ciUtilities.hpp"
-#include "prims/methodHandleWalk.hpp"
-#include "prims/methodHandles.hpp"
-
-// ciMethodHandle
+#include "classfile/javaClasses.hpp"
// ------------------------------------------------------------------
-// ciMethodHandle::get_adapter
+// ciMethodHandle::get_vmtarget
//
-// Return an adapter for this MethodHandle.
-ciMethod* ciMethodHandle::get_adapter_impl(bool is_invokedynamic) {
+// Return: MH.form -> LF.vmentry -> MN.vmtarget
+ciMethod* ciMethodHandle::get_vmtarget() const {
VM_ENTRY_MARK;
- Handle h(get_oop());
- methodHandle callee(_callee->get_methodOop());
- assert(callee->is_method_handle_invoke(), "");
- oop mt1 = callee->method_handle_type();
- oop mt2 = java_lang_invoke_MethodHandle::type(h());
- if (!java_lang_invoke_MethodType::equals(mt1, mt2)) {
- if (PrintMiscellaneous && (Verbose || WizardMode)) {
- tty->print_cr("ciMethodHandle::get_adapter: types not equal");
- mt1->print(); mt2->print();
- }
- return NULL;
- }
- // We catch all exceptions here that could happen in the method
- // handle compiler and stop the VM.
- MethodHandleCompiler mhc(h, callee->name(), callee->signature(), _profile.count(), is_invokedynamic, THREAD);
- if (!HAS_PENDING_EXCEPTION) {
- methodHandle m = mhc.compile(THREAD);
- if (!HAS_PENDING_EXCEPTION) {
- return CURRENT_ENV->get_object(m())->as_method();
- }
- }
- if (PrintMiscellaneous && (Verbose || WizardMode)) {
- tty->print("*** ciMethodHandle::get_adapter => ");
- PENDING_EXCEPTION->print();
- tty->print("*** get_adapter (%s): ", is_invokedynamic ? "indy" : "mh"); ((ciObject*)this)->print();
- }
- CLEAR_PENDING_EXCEPTION;
- return NULL;
+ oop form_oop = java_lang_invoke_MethodHandle::form(get_oop());
+ oop vmentry_oop = java_lang_invoke_LambdaForm::vmentry(form_oop);
+ oop vmtarget_oop = java_lang_invoke_MemberName::vmtarget(vmentry_oop);
+ return CURRENT_ENV->get_object(vmtarget_oop)->as_method();
}
-
-// ------------------------------------------------------------------
-// ciMethodHandle::get_adapter
-//
-// Return an adapter for this MethodHandle.
-ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) {
- ciMethod* result = get_adapter_impl(is_invokedynamic);
- if (result) {
- // Fake up the MDO maturity.
- ciMethodData* mdo = result->method_data();
- if (mdo != NULL && _caller->method_data() != NULL && _caller->method_data()->is_mature()) {
- mdo->set_mature();
- }
- }
- return result;
-}
-
-
-#ifdef ASSERT
-// ------------------------------------------------------------------
-// ciMethodHandle::print_chain_impl
-//
-// Implementation of the print method.
-void ciMethodHandle::print_chain_impl() {
- ASSERT_IN_VM;
- MethodHandleChain::print(get_oop());
-}
-
-
-// ------------------------------------------------------------------
-// ciMethodHandle::print_chain
-//
-// Implementation of the print_chain method.
-void ciMethodHandle::print_chain() {
- GUARDED_VM_ENTRY(print_chain_impl(););
-}
-#endif