| /* |
| * Copyright (c) 2012, 2015, 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.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER; |
| |
| import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; |
| import org.graalvm.compiler.core.common.LIRKind; |
| 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.SPARCBlockEndOp; |
| import org.graalvm.compiler.lir.sparc.SPARCCall; |
| |
| import jdk.vm.ci.meta.AllocatableValue; |
| import jdk.vm.ci.meta.PlatformKind; |
| import jdk.vm.ci.sparc.SPARC; |
| |
| @Opcode("DEOPT") |
| final class SPARCDeoptimizeOp extends SPARCBlockEndOp { |
| public static final LIRInstructionClass<SPARCDeoptimizeOp> TYPE = LIRInstructionClass.create(SPARCDeoptimizeOp.class); |
| public static final SizeEstimate SIZE = SizeEstimate.create(1); |
| @Temp AllocatableValue pcRegister; |
| @State private LIRFrameState info; |
| |
| SPARCDeoptimizeOp(LIRFrameState info, PlatformKind wordKind) { |
| super(TYPE, SIZE); |
| this.info = info; |
| pcRegister = SPARC.o7.asValue(LIRKind.value(wordKind)); |
| } |
| |
| @Override |
| public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { |
| // TODO the patched call address looks odd (and is invalid) compared to other runtime calls: |
| // 0xffffffff749bb5fc: call 0xffffffff415a720c ; {runtime_call} |
| // [Exception Handler] |
| // 0xffffffff749bb604: call 0xffffffff749bb220 ; {runtime_call} |
| // 0xffffffff749bb608: nop |
| // [Deopt Handler Code] |
| // 0xffffffff749bb60c: call 0xffffffff748da540 ; {runtime_call} |
| // 0xffffffff749bb610: nop |
| SPARCCall.directCall(crb, masm, crb.foreignCalls.lookupForeignCall(UNCOMMON_TRAP_HANDLER), null, info); |
| } |
| } |