1 /* 2 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.hotspot.sparc; 26 27 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG; 28 import static jdk.vm.ci.code.ValueUtil.asRegister; 29 import static jdk.vm.ci.sparc.SPARC.g5; 30 31 import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; 32 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 33 import org.graalvm.compiler.lir.LIRFrameState; 34 import org.graalvm.compiler.lir.LIRInstructionClass; 35 import org.graalvm.compiler.lir.Opcode; 36 import org.graalvm.compiler.lir.asm.CompilationResultBuilder; 37 import org.graalvm.compiler.lir.sparc.SPARCCall; 38 import org.graalvm.compiler.lir.sparc.SPARCCall.IndirectCallOp; 39 40 import jdk.vm.ci.code.Register; 41 import jdk.vm.ci.meta.ResolvedJavaMethod; 42 import jdk.vm.ci.meta.Value; 43 44 /** 45 * A register indirect call that complies with the extra conventions for such calls in HotSpot. In 46 * particular, the metaspace Method of the callee must be in g5 for the case where a vtable entry's 47 * _from_compiled_entry is the address of an C2I adapter. Such adapters expect the target method to 48 * be in g5. 49 */ 50 @Opcode("CALL_INDIRECT") 51 final class SPARCIndirectCallOp extends IndirectCallOp { 52 public static final LIRInstructionClass<SPARCIndirectCallOp> TYPE = LIRInstructionClass.create(SPARCIndirectCallOp.class); 53 public static final SizeEstimate SIZE = SizeEstimate.create(2); 54 55 /** 56 * Vtable stubs expect the metaspace Method in g5. 57 */ 58 public static final Register METHOD = g5; 59 60 @Use({REG}) protected Value metaspaceMethod; 61 62 private final GraalHotSpotVMConfig config; 63 64 SPARCIndirectCallOp(ResolvedJavaMethod targetMethod, Value result, Value[] parameters, Value[] temps, Value metaspaceMethod, Value targetAddress, LIRFrameState state, 65 GraalHotSpotVMConfig config) { 66 super(TYPE, SIZE, targetMethod, result, parameters, temps, targetAddress, state); 67 this.metaspaceMethod = metaspaceMethod; 68 this.config = config; 69 } 70 71 @Override 72 public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { 73 crb.recordMark(config.MARKID_INLINE_INVOKE); 74 Register callReg = asRegister(targetAddress); 75 assert !callReg.equals(METHOD); 76 SPARCCall.indirectCall(crb, masm, callReg, callTarget, state); 77 } 78 79 @Override 80 public void verify() { 81 super.verify(); 82 assert asRegister(metaspaceMethod).equals(METHOD); 83 } 84 }