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Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.) Reviewed-by: kvn, twisti, never
70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
/*
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* Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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#include "incls/_precompiled.incl"
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#include "incls/_methodHandles_sparc.cpp.incl"
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#define __ _masm->
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address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm,
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address interpreted_entry) {
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__ align(wordSize);
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address target = __ pc() + sizeof(Data);
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while (__ pc() < target) {
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__ nop();
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__ align(wordSize);
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}
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MethodHandleEntry* me = (MethodHandleEntry*) __ pc();
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me->set_end_address(__ pc()); // set a temporary end_address
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me->set_from_interpreted_entry(interpreted_entry);
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me->set_type_checking_entry(NULL);
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return (address) me;
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}
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MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm,
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address start_addr) {
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MethodHandleEntry* me = (MethodHandleEntry*) start_addr;
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assert(me->end_address() == start_addr, "valid ME");
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// Fill in the real end_address:
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__ align(wordSize);
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me->set_end_address(__ pc());
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return me;
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}
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// Code generation
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address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) {
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ShouldNotReachHere(); //NYI, 6815692
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return NULL;
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}
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// Generate an "entry" field for a method handle.
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// This determines how the method handle will respond to calls.
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void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) {
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ShouldNotReachHere(); //NYI, 6815692
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}
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