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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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26
hotspot/src/share/vm/ci/ciMethod.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1999-2009 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
@ -674,6 +674,30 @@ int ciMethod::scale_count(int count, float prof_factor) {
return count;
}
// ------------------------------------------------------------------
// invokedynamic support
//
bool ciMethod::is_method_handle_invoke() {
check_is_loaded();
bool flag = ((flags().as_int() & JVM_MH_INVOKE_BITS) == JVM_MH_INVOKE_BITS);
#ifdef ASSERT
{
VM_ENTRY_MARK;
bool flag2 = get_methodOop()->is_method_handle_invoke();
assert(flag == flag2, "consistent");
}
#endif //ASSERT
return flag;
}
ciInstance* ciMethod::method_handle_type() {
check_is_loaded();
VM_ENTRY_MARK;
oop mtype = get_methodOop()->method_handle_type();
return CURRENT_THREAD_ENV->get_object(mtype)->as_instance();
}
// ------------------------------------------------------------------
// ciMethod::build_method_data
//