Mercurial > hg > truffle
annotate test/runtime/6929067/invoke.c @ 3011:f00918f35c7f
inlining and runtime interface related changes:
added codeSize() and compilerStorage() to RiMethod
HotSpotMethodResolved uses reflective methods instead of vmIds and survives compilations
HotSpotResolvedType.isInitialized not represented as field (can change)
inlining stores graphs into method objects and reuses them
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Thu, 16 Jun 2011 20:36:17 +0200 |
parents | 3b3d12e645e7 |
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1 #include <assert.h> |
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2 #include <jni.h> |
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3 #include <alloca.h> |
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4 |
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5 #include <pthread.h> |
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6 |
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7 union env_union |
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8 { |
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9 void *void_env; |
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10 JNIEnv *jni_env; |
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11 }; |
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12 |
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13 union env_union tmp; |
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14 JNIEnv* env; |
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15 JavaVM* jvm; |
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16 JavaVMInitArgs vm_args; |
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17 JavaVMOption options[1]; |
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18 jclass class_id; |
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19 jmethodID method_id; |
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20 jint result; |
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21 |
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22 long product(unsigned long n, unsigned long m) { |
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23 if (m == 1) { |
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24 return n; |
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25 } else { |
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26 int *p = alloca(sizeof (int)); |
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27 *p = n; |
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28 return product (n, m-1) + *p; |
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29 } |
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30 } |
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31 |
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32 void * |
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33 floobydust (void *p) |
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34 { |
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35 (*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL); |
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36 env = tmp.jni_env; |
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37 |
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38 class_id = (*env)->FindClass (env, "T"); |
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39 assert (class_id); |
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40 |
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41 method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V"); |
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42 assert (method_id); |
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43 |
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44 (*env)->CallStaticVoidMethod (env, class_id, method_id, NULL); |
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45 |
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46 (*jvm)->DetachCurrentThread(jvm); |
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47 |
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48 printf("%ld\n", product(5000,5000)); |
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49 |
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50 (*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL); |
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51 env = tmp.jni_env; |
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52 |
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53 class_id = (*env)->FindClass (env, "T"); |
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54 assert (class_id); |
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55 |
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56 method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V"); |
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57 assert (method_id); |
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58 |
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59 (*env)->CallStaticVoidMethod (env, class_id, method_id, NULL); |
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60 |
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61 (*jvm)->DetachCurrentThread(jvm); |
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62 |
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63 printf("%ld\n", product(5000,5000)); |
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64 |
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65 return NULL; |
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66 } |
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67 |
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68 int |
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69 main (int argc, const char** argv) |
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70 { |
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71 options[0].optionString = "-Xss320k"; |
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72 |
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73 vm_args.version = JNI_VERSION_1_2; |
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74 vm_args.ignoreUnrecognized = JNI_TRUE; |
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75 vm_args.options = options; |
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76 vm_args.nOptions = 1; |
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77 |
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78 result = JNI_CreateJavaVM (&jvm, &tmp.void_env, &vm_args); |
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79 assert (result >= 0); |
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80 |
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81 env = tmp.jni_env; |
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82 |
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83 floobydust (NULL); |
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84 |
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85 pthread_t thr; |
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86 pthread_create (&thr, NULL, floobydust, NULL); |
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87 pthread_join (thr, NULL); |
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88 |
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89 return 0; |
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90 } |