--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/Runtime/src/com/sun/hotspot/c1x/HotSpotRuntime.java	Fri Apr 22 15:08:53 2011 +0200
@@ -0,0 +1,256 @@
+/*
+ * Copyright (c) 2010 Sun Microsystems, Inc.  All rights reserved.
+ *
+ * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation, these intellectual property
+ * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
+ * more additional patents or pending patent applications in the U.S. and in other countries.
+ *
+ * U.S. Government Rights - Commercial software. Government users are subject to the Sun
+ * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
+ * supplements.
+ *
+ * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
+ * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
+ * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
+ * U.S. and other countries.
+ *
+ * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
+ * Company, Ltd.
+ */
+package com.sun.hotspot.c1x;
+
+import java.io.*;
+import java.lang.reflect.*;
+import java.util.*;
+
+import com.sun.cri.ci.*;
+import com.sun.cri.ci.CiTargetMethod.Call;
+import com.sun.cri.ci.CiTargetMethod.DataPatch;
+import com.sun.cri.ci.CiTargetMethod.Safepoint;
+import com.sun.cri.ri.*;
+import com.sun.max.asm.dis.*;
+import com.sun.max.lang.*;
+
+/**
+ * CRI runtime implementation for the HotSpot VM.
+ *
+ * @author Thomas Wuerthinger, Lukas Stadler
+ */
+public class HotSpotRuntime implements RiRuntime {
+
+    final HotSpotVMConfig config;
+    final HotSpotRegisterConfig regConfig;
+    final HotSpotRegisterConfig globalStubRegConfig;
+    private final Compiler compiler;
+
+
+    public HotSpotRuntime(HotSpotVMConfig config, Compiler compiler) {
+        this.config = config;
+        this.compiler = compiler;
+        regConfig = new HotSpotRegisterConfig(config, false);
+        globalStubRegConfig = new HotSpotRegisterConfig(config, true);
+    }
+
+    @Override
+    public int codeOffset() {
+        return 0;
+    }
+
+    @Override
+    public String disassemble(byte[] code, long address) {
+        return disassemble(code, new DisassemblyPrinter(false), address);
+    }
+
+    private String disassemble(byte[] code, DisassemblyPrinter disassemblyPrinter, long address) {
+        final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+        final ISA instructionSet = ISA.AMD64;
+        Disassembler.disassemble(byteArrayOutputStream, code, instructionSet, WordWidth.BITS_64, address, null, disassemblyPrinter);
+        return byteArrayOutputStream.toString();
+    }
+
+    @Override
+    public String disassemble(final CiTargetMethod targetMethod) {
+
+        final DisassemblyPrinter disassemblyPrinter = new DisassemblyPrinter(false) {
+
+            private String toString(Call call) {
+                if (call.runtimeCall != null) {
+                    return "{" + call.runtimeCall.name() + "}";
+                } else if (call.symbol != null) {
+                    return "{" + call.symbol + "}";
+                } else if (call.globalStubID != null) {
+                    return "{" + call.globalStubID + "}";
+                } else {
+                    return "{" + call.method + "}";
+                }
+            }
+
+            private String siteInfo(int pcOffset) {
+                for (Call call : targetMethod.directCalls) {
+                    if (call.pcOffset == pcOffset) {
+                        return toString(call);
+                    }
+                }
+                for (Call call : targetMethod.indirectCalls) {
+                    if (call.pcOffset == pcOffset) {
+                        return toString(call);
+                    }
+                }
+                for (Safepoint site : targetMethod.safepoints) {
+                    if (site.pcOffset == pcOffset) {
+                        return "{safepoint}";
+                    }
+                }
+                for (DataPatch site : targetMethod.dataReferences) {
+                    if (site.pcOffset == pcOffset) {
+                        return "{" + site.constant + "}";
+                    }
+                }
+                return null;
+            }
+
+            @Override
+            protected String disassembledObjectString(Disassembler disassembler, DisassembledObject disassembledObject) {
+                final String string = super.disassembledObjectString(disassembler, disassembledObject);
+
+                String site = siteInfo(disassembledObject.startPosition());
+                if (site != null) {
+                    return string + " " + site;
+                }
+                return string;
+            }
+        };
+        final byte[] code = Arrays.copyOf(targetMethod.targetCode(), targetMethod.targetCodeSize());
+        return disassemble(code, disassemblyPrinter, 0L);
+    }
+
+    @Override
+    public String disassemble(RiMethod method) {
+        return "No disassembler available";
+    }
+
+    @Override
+    public RiConstantPool getConstantPool(RiMethod method) {
+        return ((HotSpotTypeResolved) method.holder()).constantPool();
+    }
+
+    @Override
+    public RiOsrFrame getOsrFrame(RiMethod method, int bci) {
+        return null;
+    }
+
+    @Override
+    public RiType getRiType(Class<?> javaClass) {
+        assert javaClass != null;
+        return compiler.getVMEntries().getType(javaClass);
+    }
+
+    public Class<?> getJavaClass(CiConstant c) {
+        return null;
+    }
+
+    @Override
+    public RiType getRiType(CiKind kind) {
+        return getRiType(kind.toJavaClass());
+    }
+
+    @Override
+    public RiType getRiType(CiConstant constant) {
+        return compiler.getVMEntries().getRiType(constant);
+    }
+
+    @Override
+    public boolean isExceptionType(RiType type) {
+        return type.isSubtypeOf(getRiType(Throwable.class));
+    }
+
+    @Override
+    public RiSnippets getSnippets() {
+        throw new UnsupportedOperationException("getSnippets");
+    }
+
+    @Override
+    public boolean mustInline(RiMethod method) {
+        return false;
+    }
+
+    @Override
+    public boolean mustNotCompile(RiMethod method) {
+        return false;
+    }
+
+    @Override
+    public boolean mustNotInline(RiMethod method) {
+        return Modifier.isNative(method.accessFlags());
+    }
+
+    @Override
+    public Object registerGlobalStub(CiTargetMethod targetMethod, String name) {
+        return HotSpotTargetMethod.installStub(compiler, targetMethod, name);
+    }
+
+    @Override
+    public int sizeOfBasicObjectLock() {
+        // TODO shouldn't be hard coded
+        return 2 * 8;
+    }
+
+    @Override
+    public int basicObjectLockOffsetInBytes() {
+        return 8;
+    }
+
+    @Override
+    public RiField getRiField(Field javaField) {
+        throw new UnsupportedOperationException("getRiField");
+    }
+
+    @Override
+    public RiMethod getRiMethod(Method javaMethod) {
+        throw new UnsupportedOperationException("getRiMethod");
+    }
+
+    @Override
+    public RiMethod getRiMethod(Constructor<?> javaConstructor) {
+        throw new UnsupportedOperationException("getRiMethod");
+    }
+
+    @Override
+    public CiConstant invoke(RiMethod method, CiMethodInvokeArguments args) {
+        return null;
+    }
+
+    @Override
+    public CiConstant foldWordOperation(int opcode, CiMethodInvokeArguments args) {
+        throw new UnsupportedOperationException("foldWordOperation");
+    }
+
+    @Override
+    public boolean compareConstantObjects(CiConstant x, CiConstant y) {
+        return compiler.getVMEntries().compareConstantObjects(x, y);
+    }
+
+    @Override
+    public RiRegisterConfig getRegisterConfig(RiMethod method) {
+        return regConfig;
+    }
+
+    /**
+     * HotSpots needs an area suitable for storing a program counter for temporary use during the deoptimization process.
+     */
+    @Override
+    public int getCustomStackAreaSize() {
+        return 8;
+    }
+
+    @Override
+    public boolean supportsArrayIntrinsics() {
+        return true;
+    }
+
+    @Override
+    public int getArrayLength(CiConstant array) {
+        return compiler.getVMEntries().getArrayLength(array);
+    }
+}