Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotUnwindOp.java @ 22054:0e095e2c24e2
Rename com.oracle.jvmci to jdk.internal.jvmci
author | twisti |
---|---|
date | Mon, 22 Jun 2015 12:12:53 -0700 |
parents | d915361cc3a1 |
children | d9f3acb4a9a1 |
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/* * 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 com.oracle.graal.hotspot.sparc; import jdk.internal.jvmci.code.*; import static com.oracle.graal.hotspot.HotSpotBackend.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import static jdk.internal.jvmci.code.ValueUtil.*; import static jdk.internal.jvmci.sparc.SPARC.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.hotspot.stubs.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.sparc.*; /** * Removes the current frame and jumps to the {@link UnwindExceptionToCallerStub}. */ @Opcode("UNWIND") final class SPARCHotSpotUnwindOp extends SPARCHotSpotEpilogueOp { public static final LIRInstructionClass<SPARCHotSpotUnwindOp> TYPE = LIRInstructionClass.create(SPARCHotSpotUnwindOp.class); @Use({REG}) protected RegisterValue exception; SPARCHotSpotUnwindOp(RegisterValue exception) { super(TYPE); this.exception = exception; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { // This Frame is left but the called unwind (which is sibling) method needs the exception as // input in i0 masm.mov(o0, i0); leaveFrame(crb); ForeignCallLinkage linkage = crb.foreignCalls.lookupForeignCall(UNWIND_EXCEPTION_TO_CALLER); CallingConvention cc = linkage.getOutgoingCallingConvention(); assert cc.getArgumentCount() == 2; assert exception.equals(cc.getArgument(0)); // Get return address (is in o7 after leave). Register returnAddress = asRegister(cc.getArgument(1)); masm.add(o7, SPARCAssembler.PC_RETURN_OFFSET, returnAddress); Register scratch = g5; SPARCCall.indirectJmp(crb, masm, scratch, linkage); } }