1.1 --- a/src/share/vm/interpreter/linkResolver.cpp Mon Apr 20 14:48:03 2009 -0700
1.2 +++ b/src/share/vm/interpreter/linkResolver.cpp Tue Apr 21 23:21:04 2009 -0700
1.3 @@ -947,6 +947,7 @@
1.4 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break;
1.5 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break;
1.6 case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break;
1.7 + case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break;
1.8 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break;
1.9 }
1.10 return;
1.11 @@ -1008,6 +1009,30 @@
1.12 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
1.13 }
1.14
1.15 +
1.16 +void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int raw_index, TRAPS) {
1.17 + assert(EnableInvokeDynamic, "");
1.18 +
1.19 + // This guy is reached from InterpreterRuntime::resolve_invokedynamic.
1.20 +
1.21 + assert(constantPoolCacheOopDesc::is_secondary_index(raw_index), "must be secondary index");
1.22 + int nt_index = pool->map_instruction_operand_to_index(raw_index);
1.23 +
1.24 + // At this point, we only need the signature, and can ignore the name.
1.25 + symbolHandle method_signature(THREAD, pool->nt_signature_ref_at(nt_index));
1.26 + symbolHandle method_name = vmSymbolHandles::invoke_name();
1.27 + KlassHandle resolved_klass = SystemDictionaryHandles::MethodHandle_klass();
1.28 +
1.29 + // JSR 292: this must be an implicitly generated method MethodHandle.invoke(*...)
1.30 + // The extra MH receiver will be inserted into the stack on every call.
1.31 + methodHandle resolved_method;
1.32 + lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, CHECK);
1.33 + if (resolved_method.is_null()) {
1.34 + THROW(vmSymbols::java_lang_InternalError());
1.35 + }
1.36 + result.set_virtual(resolved_klass, KlassHandle(), resolved_method, resolved_method, resolved_method->vtable_index(), CHECK);
1.37 +}
1.38 +
1.39 //------------------------------------------------------------------------------------------------------------------------
1.40 #ifndef PRODUCT
1.41
