Mercurial > hg > graal-compiler
view graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCBreakpointOp.java @ 11428:6f58979d0755
Merged
author | Christian Wirth <christian.wirth@oracle.com> |
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date | Tue, 27 Aug 2013 09:34:55 +0200 |
parents | 73122b5edf6a |
children | 1a66453f73db |
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/* * Copyright (c) 2012, 2012, 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.lir.sparc; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Trap; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; /** * Emits a breakpoint. */ @Opcode("BREAKPOINT") public class SPARCBreakpointOp extends SPARCLIRInstruction { // historical - from hotspot src/cpu/sparc/vm // <sys/trap.h> promises that the system will not use traps 16-31 // We want to use ST_BREAKPOINT here, but the debugger is confused by it. public static final int ST_RESERVED_FOR_USER_0 = 0x10; /** * A set of values loaded into the Java ABI parameter locations (for inspection by a debugger). */ @Use({REG, STACK}) protected Value[] parameters; public SPARCBreakpointOp(Value[] parameters) { this.parameters = parameters; } @Override @SuppressWarnings("unused") public void emitCode(TargetMethodAssembler tasm, SPARCMacroAssembler masm) { new Trap(masm, ST_RESERVED_FOR_USER_0); } }