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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTargetMethod.java @ 1421:6223633ce7dd

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changed VMExit/VMEntries to non-static, added eclipse c++ project, CIR interface changes
author Lukas Stadler <lukas.stadler@oracle.com>
date Fri, 23 Jul 2010 15:53:02 -0700
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children 3483ec571caf
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1421
6223633ce7dd changed VMExit/VMEntries to non-static, added eclipse c++ project, CIR interface changes
Lukas Stadler <lukas.stadler@oracle.com>
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1 package com.sun.hotspot.c1x;
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2
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3 import java.util.*;
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4
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5 import com.sun.cri.ci.*;
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6 import com.sun.cri.ci.CiTargetMethod.*;
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7 import com.sun.cri.ri.*;
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8
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9 public class HotSpotTargetMethod {
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10
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11 public final Object methodOop;
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12 private byte[] code;
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13 private int frameSize;
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14
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15 public int verifiedEntrypoint;
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16 public int unverifiedEntrypoint;
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17
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18 public int relocationOffsets[];
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19 public Object relocationData[];
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20
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21 private HotSpotTargetMethod(HotSpotVMConfig config, RiMethod method, CiTargetMethod targetMethod) {
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22 methodOop = ((HotSpotMethod) method).methodOop;
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23 code = targetMethod.targetCode();
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24 frameSize = targetMethod.frameSize();
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25 verifiedEntrypoint = targetMethod.entrypointCodeOffsets.get(HotSpotRuntime.Entrypoints.VERIFIED);
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26 unverifiedEntrypoint = targetMethod.entrypointCodeOffsets.get(HotSpotRuntime.Entrypoints.UNVERIFIED);
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27
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28 Map<Integer, Object> relocations = new TreeMap<Integer, Object>();
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29 if (!targetMethod.dataReferences.isEmpty()) {
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30 for (DataPatch patch : targetMethod.dataReferences) {
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31 if (patch.data.kind == CiKind.Object) {
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32 if (patch.data.asObject() instanceof RiType) {
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33 relocations.put(patch.pcOffset, patch.data.asObject());
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34 } else {
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35 throw new RuntimeException("unexpected data reference");
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36 }
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37 }
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38 }
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39 }
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40
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41 if (!targetMethod.directCalls.isEmpty()) {
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42 for (CiTargetMethod.Call call : targetMethod.directCalls) {
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43 if (call.globalStubID instanceof Long) {
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44 relocations.put(call.pcOffset, (Long)call.globalStubID);
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45 } else if (call.globalStubID instanceof CiRuntimeCall) {
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46 switch ((CiRuntimeCall) call.globalStubID) {
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47 case Debug:
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48 // relocations.put(call.pcOffset, config.debugStub);
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49 System.out.println("debug call");
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50 break;
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51 case UnwindException:
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52 case RegisterFinalizer:
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53 case HandleException:
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54 case OSRMigrationEnd:
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55 case JavaTimeMillis:
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56 case JavaTimeNanos:
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57 case ArithmethicLrem:
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58 case ArithmeticLdiv:
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59 case ArithmeticFrem:
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60 case ArithmeticDrem:
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61 case ArithmeticCos:
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62 case ArithmeticTan:
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63 case ArithmeticLog:
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64 case ArithmeticLog10:
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65 case ArithmeticSin:
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66 default:
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67 throw new RuntimeException("unexpected runtime call: " + call.globalStubID);
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68 }
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69 }
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70 }
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71 }
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72 relocationOffsets = new int[relocations.size()];
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73 relocationData = new Object[relocations.size()];
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74 int i=0;
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75 for( Map.Entry<Integer, Object> entry: relocations.entrySet()) {
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76 relocationOffsets[i] = entry.getKey();
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77 relocationData[i++] = entry.getValue();
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78 }
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79 }
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80
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81 public static void installCode(HotSpotVMConfig config, RiMethod method, CiTargetMethod targetMethod) {
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82 Compiler.getVMEntries().installCode(new HotSpotTargetMethod(config, method, targetMethod));
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83 }
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84
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85 }