Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/framemap/FrameMapBuilderImpl.java @ 19022:859ee5dad32c
Pass StackSlotAllocator to FrameMapBuilder.buildFrameMap().
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Wed, 03 Dec 2014 22:55:03 +0100 |
parents | 252067cb86ad |
children | 0be248fb42b2 |
line wrap: on
line source
/* * 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 java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.gen.*; /** * A FrameMapBuilder that records allocation. */ public class FrameMapBuilderImpl implements FrameMapBuilder { private final RegisterConfig registerConfig; private final CodeCacheProvider codeCache; protected 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 GraalInternalError.unimplemented(); } VirtualStackSlotRange slot = new VirtualStackSlotRange(numStackSlots++, slots, objects); stackSlots.add(slot); return slot; } public RegisterConfig getRegisterConfig() { return registerConfig; } public CodeCacheProvider getCodeCache() { return codeCache; } /** * Returns the number of {@link VirtualStackSlot}s created by this {@link FrameMapBuilder}. Can * be used as an upper bound for an array indexed by {@link VirtualStackSlot#getId()}. */ public int getNumberOfStackSlots() { return numStackSlots; } public void callsMethod(CallingConvention cc) { calls.add(cc); } public FrameMap buildFrameMap(LIRGenerationResult res, StackSlotAllocator allocator) { allocator.allocateStackSlots(this, res); for (CallingConvention cc : calls) { frameMap.callsMethod(cc); } frameMap.finish(); return frameMap; } List<VirtualStackSlot> getStackSlots() { return stackSlots; } }