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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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70
hotspot/src/cpu/sparc/vm/methodHandles_sparc.cpp Normal file
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@ -0,0 +1,70 @@
/*
* 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
#include "incls/_precompiled.incl"
#include "incls/_methodHandles_sparc.cpp.incl"
#define __ _masm->
address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm,
address interpreted_entry) {
__ align(wordSize);
address target = __ pc() + sizeof(Data);
while (__ pc() < target) {
__ nop();
__ align(wordSize);
}
MethodHandleEntry* me = (MethodHandleEntry*) __ pc();
me->set_end_address(__ pc()); // set a temporary end_address
me->set_from_interpreted_entry(interpreted_entry);
me->set_type_checking_entry(NULL);
return (address) me;
}
MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm,
address start_addr) {
MethodHandleEntry* me = (MethodHandleEntry*) start_addr;
assert(me->end_address() == start_addr, "valid ME");
// Fill in the real end_address:
__ align(wordSize);
me->set_end_address(__ pc());
return me;
}
// Code generation
address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) {
ShouldNotReachHere(); //NYI, 6815692
return NULL;
}
// Generate an "entry" field for a method handle.
// This determines how the method handle will respond to calls.
void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) {
ShouldNotReachHere(); //NYI, 6815692
}