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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTargetMethod.java @ 1422:3483ec571caf

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* using reflected objects instead of oops * removed scratch from allocatable registers * instanceof xir snippet * arraylength xir snippet * exceptionobject xir snippet * VMEntries and VMExits as interfaces * calls to VMEntries and VMExits are routet through logging proxies
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 02 Aug 2010 15:44:38 -0700
parents 6223633ce7dd
children 760213a60e8b
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1421
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1 package com.sun.hotspot.c1x;
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2
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3 import java.lang.reflect.*;
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4 import java.util.*;
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5
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6 import com.sun.cri.ci.*;
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7 import com.sun.cri.ci.CiTargetMethod.*;
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8 import com.sun.cri.ri.*;
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9
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10 public class HotSpotTargetMethod {
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11
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12 public final Method method;
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13 private byte[] code;
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14 private int codeSize;
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15 private int frameSize;
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17 public int verifiedEntrypoint;
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18 public int unverifiedEntrypoint;
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19
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20 public int relocationOffsets[];
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21 public Object relocationData[];
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23 private HotSpotTargetMethod(HotSpotVMConfig config, RiMethod method, CiTargetMethod targetMethod) {
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24 this.method= ((HotSpotMethod) method).method;
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25 code = targetMethod.targetCode();
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26 codeSize = targetMethod.targetCodeSize();
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27 frameSize = targetMethod.frameSize();
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28 verifiedEntrypoint = targetMethod.entrypointCodeOffsets.get(HotSpotRuntime.Entrypoints.VERIFIED);
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29 unverifiedEntrypoint = targetMethod.entrypointCodeOffsets.get(HotSpotRuntime.Entrypoints.UNVERIFIED);
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30
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31 Map<Integer, Object> relocations = new TreeMap<Integer, Object>();
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32 if (!targetMethod.dataReferences.isEmpty()) {
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33 for (DataPatch patch : targetMethod.dataReferences) {
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34 if (patch.data.kind == CiKind.Object) {
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35 if (patch.data.asObject() instanceof RiType) {
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36 relocations.put(patch.pcOffset, patch.data.asObject());
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37 } else {
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38 throw new RuntimeException("unexpected data reference");
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39 }
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40 }
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41 }
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42 }
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43
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44 if (!targetMethod.directCalls.isEmpty()) {
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45 for (CiTargetMethod.Call call : targetMethod.directCalls) {
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46 if (call.globalStubID instanceof Long) {
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47 relocations.put(call.pcOffset, (Long)call.globalStubID);
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48 } else if (call.globalStubID instanceof CiRuntimeCall) {
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49 switch ((CiRuntimeCall) call.globalStubID) {
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50 case Debug:
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51 // relocations.put(call.pcOffset, config.debugStub);
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52 System.out.println("debug call");
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53 break;
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54 case UnwindException:
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55 case RegisterFinalizer:
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56 case HandleException:
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57 case OSRMigrationEnd:
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58 case JavaTimeMillis:
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59 case JavaTimeNanos:
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60 case ArithmethicLrem:
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61 case ArithmeticLdiv:
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62 case ArithmeticFrem:
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63 case ArithmeticDrem:
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64 case ArithmeticCos:
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65 case ArithmeticTan:
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66 case ArithmeticLog:
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67 case ArithmeticLog10:
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68 case ArithmeticSin:
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69 default:
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70 throw new RuntimeException("unexpected runtime call: " + call.globalStubID);
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71 }
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72 }
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73 }
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74 }
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75 relocationOffsets = new int[relocations.size()];
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76 relocationData = new Object[relocations.size()];
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77 int i=0;
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78 for( Map.Entry<Integer, Object> entry: relocations.entrySet()) {
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79 relocationOffsets[i] = entry.getKey();
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80 relocationData[i++] = entry.getValue();
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81 }
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82 }
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83
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84 public static void installCode(HotSpotVMConfig config, RiMethod method, CiTargetMethod targetMethod) {
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85 Compiler.getVMEntries().installCode(new HotSpotTargetMethod(config, method, targetMethod));
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86 }
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87
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88 }