Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/asm/CompilationResultBuilder.java @ 13899:d8b2bb096d83
remove overly eager evaluation of toString() in Debug.log calls (JBS:GRAAL-14)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Thu, 06 Feb 2014 22:34:23 +0100 |
parents | edc8e6410001 |
children | 390c4b742890 |
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/* * Copyright (c) 2013, 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.asm; import static com.oracle.graal.api.code.ValueUtil.*; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.code.CompilationResult.ConstantData; import com.oracle.graal.api.code.CompilationResult.Data; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.*; import com.oracle.graal.debug.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.*; import com.oracle.graal.nodes.cfg.*; /** * Fills in a {@link CompilationResult} as its code is being assembled. * * @see CompilationResultBuilderFactory */ public class CompilationResultBuilder { private static class ExceptionInfo { public final int codeOffset; public final LabelRef exceptionEdge; public ExceptionInfo(int pcOffset, LabelRef exceptionEdge) { this.codeOffset = pcOffset; this.exceptionEdge = exceptionEdge; } } public final AbstractAssembler asm; public final CompilationResult compilationResult; public final TargetDescription target; public final CodeCacheProvider codeCache; public final ForeignCallsProvider foreignCalls; public final FrameMap frameMap; /** * The LIR for which code is being generated. */ private LIR lir; /** * The index of the block currently being emitted. */ private int currentBlockIndex; /** * The object that emits code for managing a method's frame. */ public final FrameContext frameContext; private List<ExceptionInfo> exceptionInfoList; public CompilationResultBuilder(CodeCacheProvider codeCache, ForeignCallsProvider foreignCalls, FrameMap frameMap, AbstractAssembler asm, FrameContext frameContext, CompilationResult compilationResult) { this.target = codeCache.getTarget(); this.codeCache = codeCache; this.foreignCalls = foreignCalls; this.frameMap = frameMap; this.asm = asm; this.compilationResult = compilationResult; this.frameContext = frameContext; assert frameContext != null; } public void setFrameSize(int frameSize) { compilationResult.setFrameSize(frameSize); } private static final CompilationResult.Mark[] NO_REFS = {}; public CompilationResult.Mark recordMark(Object id) { return compilationResult.recordMark(asm.codeBuffer.position(), id, NO_REFS); } public CompilationResult.Mark recordMark(Object id, CompilationResult.Mark... references) { return compilationResult.recordMark(asm.codeBuffer.position(), id, references); } public void blockComment(String s) { compilationResult.addAnnotation(new CompilationResult.CodeComment(asm.codeBuffer.position(), s)); } /** * Sets the {@linkplain CompilationResult#setTargetCode(byte[], int) code} and * {@linkplain CompilationResult#recordExceptionHandler(int, int) exception handler} fields of * the compilation result. */ public void finish() { compilationResult.setTargetCode(asm.codeBuffer.close(false), asm.codeBuffer.position()); // Record exception handlers if they exist if (exceptionInfoList != null) { for (ExceptionInfo ei : exceptionInfoList) { int codeOffset = ei.codeOffset; compilationResult.recordExceptionHandler(codeOffset, ei.exceptionEdge.label().position()); } } } public void recordExceptionHandlers(int pcOffset, LIRFrameState info) { if (info != null) { if (info.exceptionEdge != null) { if (exceptionInfoList == null) { exceptionInfoList = new ArrayList<>(4); } exceptionInfoList.add(new ExceptionInfo(pcOffset, info.exceptionEdge)); } } } public void recordImplicitException(int pcOffset, LIRFrameState info) { compilationResult.recordInfopoint(pcOffset, info.debugInfo(), InfopointReason.IMPLICIT_EXCEPTION); assert info.exceptionEdge == null; } public void recordDirectCall(int posBefore, int posAfter, InvokeTarget callTarget, LIRFrameState info) { DebugInfo debugInfo = info != null ? info.debugInfo() : null; compilationResult.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, true); } public void recordIndirectCall(int posBefore, int posAfter, InvokeTarget callTarget, LIRFrameState info) { DebugInfo debugInfo = info != null ? info.debugInfo() : null; compilationResult.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, false); } public void recordInfopoint(int pos, LIRFrameState info, InfopointReason reason) { // infopoints always need debug info DebugInfo debugInfo = info.debugInfo(); compilationResult.recordInfopoint(pos, debugInfo, reason); } public void recordInlineDataInCode(Constant data) { assert data != null; int pos = asm.codeBuffer.position(); Debug.log("Inline data in code: pos = %d, data = %s", pos, data); compilationResult.recordInlineData(pos, data); } public AbstractAddress recordDataReferenceInCode(Constant data, int alignment) { assert data != null; return recordDataReferenceInCode(new ConstantData(data, alignment)); } public AbstractAddress recordDataReferenceInCode(Data data) { assert data != null; int pos = asm.codeBuffer.position(); Debug.log("Data reference in code: pos = %d, data = %s", pos, data); compilationResult.recordDataReference(pos, data); return asm.getPlaceholder(); } /** * Returns the integer value of any constant that can be represented by a 32-bit integer value, * including long constants that fit into the 32-bit range. */ public int asIntConst(Value value) { assert (value.getKind().isNumericInteger()) && isConstant(value); Constant constant = (Constant) value; assert !codeCache.needsDataPatch(constant) : constant + " should be in a DataPatch"; long c = constant.asLong(); if (!NumUtil.isInt(c)) { throw GraalInternalError.shouldNotReachHere(); } return (int) c; } /** * Returns the float value of any constant that can be represented by a 32-bit float value. */ public float asFloatConst(Value value) { assert (value.getKind().getStackKind() == Kind.Float && isConstant(value)); Constant constant = (Constant) value; assert !codeCache.needsDataPatch(constant) : constant + " should be in a DataPatch"; return constant.asFloat(); } /** * Returns the long value of any constant that can be represented by a 64-bit long value. */ public long asLongConst(Value value) { assert (value.getKind().getStackKind() == Kind.Long && isConstant(value)); Constant constant = (Constant) value; assert !codeCache.needsDataPatch(constant) : constant + " should be in a DataPatch"; return constant.asLong(); } /** * Returns the double value of any constant that can be represented by a 64-bit float value. */ public double asDoubleConst(Value value) { assert (value.getKind().getStackKind() == Kind.Double && isConstant(value)); Constant constant = (Constant) value; assert !codeCache.needsDataPatch(constant) : constant + " should be in a DataPatch"; return constant.asDouble(); } /** * Returns the address of a float constant that is embedded as a data reference into the code. */ public AbstractAddress asFloatConstRef(Value value) { return asFloatConstRef(value, 4); } public AbstractAddress asFloatConstRef(Value value, int alignment) { assert value.getKind() == Kind.Float && isConstant(value); return recordDataReferenceInCode((Constant) value, alignment); } /** * Returns the address of a double constant that is embedded as a data reference into the code. */ public AbstractAddress asDoubleConstRef(Value value) { return asDoubleConstRef(value, 8); } public AbstractAddress asDoubleConstRef(Value value, int alignment) { assert value.getKind() == Kind.Double && isConstant(value); return recordDataReferenceInCode((Constant) value, alignment); } /** * Returns the address of a long constant that is embedded as a data reference into the code. */ public AbstractAddress asLongConstRef(Value value) { assert value.getKind() == Kind.Long && isConstant(value); return recordDataReferenceInCode((Constant) value, 8); } /** * Returns the address of an object constant that is embedded as a data reference into the code. */ public AbstractAddress asObjectConstRef(Value value) { assert value.getKind() == Kind.Object && isConstant(value); return recordDataReferenceInCode((Constant) value, 8); } public AbstractAddress asIntAddr(Value value) { assert value.getKind() == Kind.Int; return asAddress(value); } public AbstractAddress asLongAddr(Value value) { assert value.getKind() == Kind.Long; return asAddress(value); } public AbstractAddress asObjectAddr(Value value) { assert value.getKind() == Kind.Object; return asAddress(value); } public AbstractAddress asFloatAddr(Value value) { assert value.getKind() == Kind.Float; return asAddress(value); } public AbstractAddress asDoubleAddr(Value value) { assert value.getKind() == Kind.Double; return asAddress(value); } public AbstractAddress asAddress(Value value) { assert isStackSlot(value); StackSlot slot = asStackSlot(value); return asm.makeAddress(frameMap.registerConfig.getFrameRegister(), frameMap.offsetForStackSlot(slot)); } /** * Determines if a given edge from the block currently being emitted goes to its lexical * successor. */ public boolean isSuccessorEdge(LabelRef edge) { assert lir != null; List<Block> order = lir.codeEmittingOrder(); assert order.get(currentBlockIndex) == edge.getSourceBlock(); return currentBlockIndex < order.size() - 1 && order.get(currentBlockIndex + 1) == edge.getTargetBlock(); } /** * Emits code for {@code lir} in its {@linkplain LIR#codeEmittingOrder() code emitting order}. */ public void emit(@SuppressWarnings("hiding") LIR lir) { assert this.lir == null; assert currentBlockIndex == 0; this.lir = lir; this.currentBlockIndex = 0; frameContext.enter(this); for (Block b : lir.codeEmittingOrder()) { emitBlock(b); currentBlockIndex++; } this.lir = null; this.currentBlockIndex = 0; } private void emitBlock(Block block) { if (Debug.isDumpEnabled()) { blockComment(String.format("block B%d %s", block.getId(), block.getLoop())); } for (LIRInstruction op : lir.lir(block)) { if (Debug.isDumpEnabled()) { blockComment(String.format("%d %s", op.id(), op)); } try { emitOp(this, op); } catch (GraalInternalError e) { throw e.addContext("lir instruction", block + "@" + op.id() + " " + op + "\n" + lir.codeEmittingOrder()); } } } private static void emitOp(CompilationResultBuilder crb, LIRInstruction op) { try { op.emitCode(crb); } catch (AssertionError t) { throw new GraalInternalError(t); } catch (RuntimeException t) { throw new GraalInternalError(t); } } }