--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCIndirectCallOp.java 2017-02-15 16:59:21.159573781 -0800 @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package org.graalvm.compiler.hotspot.sparc; + +import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG; +import static jdk.vm.ci.code.ValueUtil.asRegister; +import static jdk.vm.ci.sparc.SPARC.g5; + +import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; +import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; +import org.graalvm.compiler.lir.LIRFrameState; +import org.graalvm.compiler.lir.LIRInstructionClass; +import org.graalvm.compiler.lir.Opcode; +import org.graalvm.compiler.lir.asm.CompilationResultBuilder; +import org.graalvm.compiler.lir.sparc.SPARCCall; +import org.graalvm.compiler.lir.sparc.SPARCCall.IndirectCallOp; + +import jdk.vm.ci.code.Register; +import jdk.vm.ci.meta.ResolvedJavaMethod; +import jdk.vm.ci.meta.Value; + +/** + * A register indirect call that complies with the extra conventions for such calls in HotSpot. In + * particular, the metaspace Method of the callee must be in g5 for the case where a vtable entry's + * _from_compiled_entry is the address of an C2I adapter. Such adapters expect the target method to + * be in g5. + */ +@Opcode("CALL_INDIRECT") +final class SPARCIndirectCallOp extends IndirectCallOp { + public static final LIRInstructionClass TYPE = LIRInstructionClass.create(SPARCIndirectCallOp.class); + public static final SizeEstimate SIZE = SizeEstimate.create(2); + + /** + * Vtable stubs expect the metaspace Method in g5. + */ + public static final Register METHOD = g5; + + @Use({REG}) protected Value metaspaceMethod; + + private final GraalHotSpotVMConfig config; + + SPARCIndirectCallOp(ResolvedJavaMethod targetMethod, Value result, Value[] parameters, Value[] temps, Value metaspaceMethod, Value targetAddress, LIRFrameState state, + GraalHotSpotVMConfig config) { + super(TYPE, SIZE, targetMethod, result, parameters, temps, targetAddress, state); + this.metaspaceMethod = metaspaceMethod; + this.config = config; + } + + @Override + public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + crb.recordMark(config.MARKID_INLINE_INVOKE); + Register callReg = asRegister(targetAddress); + assert !callReg.equals(METHOD); + SPARCCall.indirectCall(crb, masm, callReg, callTarget, state); + } + + @Override + public void verify() { + super.verify(); + assert asRegister(metaspaceMethod).equals(METHOD); + } +}