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6655638: dynamic languages need method handles

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Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)

Reviewed-by: kvn, twisti, never
This commit is contained in:
John R Rose 2009-04-08 10:56:49 -07:00
parent 318da3f68c
commit ce0c084720
63 changed files with 5815 additions and 70 deletions
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21
hotspot/src/share/vm/interpreter/linkResolver.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -151,6 +151,20 @@ void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle
result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name(), signature()));
}
void LinkResolver::lookup_implicit_method(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) {
if (EnableMethodHandles && MethodHandles::enabled() &&
name == vmSymbolHandles::invoke_name() && klass() == SystemDictionary::MethodHandle_klass()) {
methodOop result_oop = SystemDictionary::find_method_handle_invoke(signature,
Handle(),
Handle(),
CHECK);
if (result_oop != NULL) {
assert(result_oop->is_method_handle_invoke() && result_oop->signature() == signature(), "consistent");
result = methodHandle(THREAD, result_oop);
}
}
}
void LinkResolver::check_method_accessability(KlassHandle ref_klass,
KlassHandle resolved_klass,
KlassHandle sel_klass,
@ -239,6 +253,11 @@ void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle res
// 3. lookup method in all the interfaces implemented by the resolved klass
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
if (resolved_method.is_null()) {
// JSR 292: see if this is an implicitly generated method MethodHandle.invoke(*...)
lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, CHECK);
}
if (resolved_method.is_null()) {
// 4. method lookup failed
ResourceMark rm(THREAD);