1 /* 2 * Copyright (c) 2012, 2020, 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.hotspot.HotSpotHostBackend.DEOPT_BLOB_UNCOMMON_TRAP; 28 29 import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; 30 import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.ScratchRegister; 31 import org.graalvm.compiler.lir.LIRInstructionClass; 32 import org.graalvm.compiler.lir.Opcode; 33 import org.graalvm.compiler.lir.asm.CompilationResultBuilder; 34 import org.graalvm.compiler.lir.sparc.SPARCCall; 35 36 import jdk.vm.ci.code.Register; 37 38 /** 39 * Removes the current frame and tail calls the uncommon trap routine. 40 */ 41 @Opcode("DEOPT_CALLER") 42 final class SPARCHotSpotDeoptimizeCallerOp extends SPARCHotSpotEpilogueOp { 43 public static final LIRInstructionClass<SPARCHotSpotDeoptimizeCallerOp> TYPE = LIRInstructionClass.create(SPARCHotSpotDeoptimizeCallerOp.class); 44 public static final SizeEstimate SIZE = SizeEstimate.create(32); 45 46 protected SPARCHotSpotDeoptimizeCallerOp() { 47 super(TYPE, SIZE); 48 } 49 50 @Override 51 public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { 52 leaveFrame(crb); 53 54 // SPARCHotSpotBackend backend = (SPARCHotSpotBackend) 55 // HotSpotGraalRuntime.runtime().getBackend(); 56 // final boolean isStub = true; 57 // HotSpotFrameContext frameContext = backend.new HotSpotFrameContext(isStub); 58 // frameContext.enter(crb); 59 60 try (ScratchRegister sc = masm.getScratchRegister()) { 61 Register scratch = sc.getRegister(); 62 SPARCCall.indirectJmp(crb, masm, scratch, crb.foreignCalls.lookupForeignCall(DEOPT_BLOB_UNCOMMON_TRAP)); 63 } 64 65 // frameContext.leave(crb); 66 } 67 }