Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/framemap/FrameMapBuilderImpl.java @ 21543:93c50cefb9e8
moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 May 2015 23:30:34 +0200 |
parents | 4d70d150944f |
children | b1530a6cce8c |
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/* * Copyright (c) 2014, 2014, 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.framemap; import static com.oracle.graal.api.code.ValueUtil.*; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.cfg.*; import com.oracle.graal.debug.*; import com.oracle.graal.debug.Debug.Scope; import com.oracle.graal.lir.*; import com.oracle.graal.lir.LIRInstruction.OperandFlag; import com.oracle.graal.lir.LIRInstruction.OperandMode; import com.oracle.graal.lir.gen.*; import com.oracle.graal.lir.stackslotalloc.*; import com.oracle.jvmci.common.*; /** * A FrameMapBuilder that records allocation. */ public class FrameMapBuilderImpl implements FrameMapBuilderTool { private final RegisterConfig registerConfig; private final CodeCacheProvider codeCache; private final FrameMap frameMap; private final List<VirtualStackSlot> stackSlots; private final List<CallingConvention> calls; private int numStackSlots; public FrameMapBuilderImpl(FrameMap frameMap, CodeCacheProvider codeCache, RegisterConfig registerConfig) { assert registerConfig != null : "No register config!"; this.registerConfig = registerConfig == null ? codeCache.getRegisterConfig() : registerConfig; this.codeCache = codeCache; this.frameMap = frameMap; this.stackSlots = new ArrayList<>(); this.calls = new ArrayList<>(); this.numStackSlots = 0; } public VirtualStackSlot allocateSpillSlot(LIRKind kind) { SimpleVirtualStackSlot slot = new SimpleVirtualStackSlot(numStackSlots++, kind); stackSlots.add(slot); return slot; } public VirtualStackSlot allocateStackSlots(int slots, BitSet objects, List<VirtualStackSlot> outObjectStackSlots) { if (slots == 0) { return null; } if (outObjectStackSlots != null) { throw JVMCIError.unimplemented(); } VirtualStackSlotRange slot = new VirtualStackSlotRange(numStackSlots++, slots, objects); stackSlots.add(slot); return slot; } public RegisterConfig getRegisterConfig() { return registerConfig; } public CodeCacheProvider getCodeCache() { return codeCache; } public FrameMap getFrameMap() { return frameMap; } public int getNumberOfStackSlots() { return numStackSlots; } public void callsMethod(CallingConvention cc) { calls.add(cc); } public FrameMap buildFrameMap(LIRGenerationResult res, StackSlotAllocator allocator) { try (Scope s = Debug.scope("StackSlotAllocation")) { allocator.allocateStackSlots(this, res); if (Debug.isEnabled()) { verifyStackSlotAllocation(res); } } for (CallingConvention cc : calls) { frameMap.callsMethod(cc); } frameMap.finish(); return frameMap; } private static void verifyStackSlotAllocation(LIRGenerationResult res) { LIR lir = res.getLIR(); InstructionValueConsumer verifySlots = (LIRInstruction op, Value value, OperandMode mode, EnumSet<OperandFlag> flags) -> { assert !isVirtualStackSlot(value) : String.format("Instruction %s contains a virtual stack slot %s", op, value); }; for (AbstractBlockBase<?> block : lir.getControlFlowGraph().getBlocks()) { lir.getLIRforBlock(block).forEach(op -> { op.visitEachInput(verifySlots); op.visitEachAlive(verifySlots); op.visitEachState(verifySlots); op.visitEachTemp(verifySlots); op.visitEachOutput(verifySlots); }); } } public List<VirtualStackSlot> getStackSlots() { return stackSlots; } }