7 #include "getlocalvartable.h"
9 JNIEXPORT jint JNICALL Java_getlocalvartable_do_1getlocalvartable_1tests
10 (JNIEnv *env, jclass klass)
13 jint err = env->GetJavaVM (&vm);
16 fprintf (stderr, "error getting VM\n");
20 jvmtiEnv *jvmti = NULL;
21 vm->GetEnv ((void **) &jvmti, JVMTI_VERSION_1_0);
25 fprintf (stderr, "error getting jvmti environment\n");
30 jvmtiLocalVariableEntry *var_table;
34 jmethodID meth_ids[3];
36 meth_ids[0] = env->GetMethodID (klass, "aMethod", "(FF)D");
37 meth_ids[1] = env->GetMethodID (klass, "bMethod", "(II)J");
38 meth_ids[2] = env->GetMethodID (klass, "cMethod",
39 "(Ljava/lang/Object;)Ljava/lang/Object;");
40 for (int i = 0; i < 3; i++)
42 jerr = jvmti->GetLocalVariableTable (meth_ids[i], &entrys, &var_table);
43 if (jerr != JVMTI_ERROR_NONE)
46 jvmti->GetErrorName (jerr, &error_name);
47 fprintf (stderr, "JVMTI Error: %s\n", error_name);
48 jvmti->Deallocate (reinterpret_cast<unsigned char *> (error_name));
52 for (int j = 0; j < entrys; j++)
54 printf ("Slot: %d\n", static_cast<int> (var_table[j].slot));
55 printf (" Name: %s\n", var_table[j].name);
56 printf (" Sig: %s\n", var_table[j].signature);
57 printf (" Gen Sig: %s\n", var_table[j].generic_signature);
58 printf (" Start Loc: %ld\n", static_cast<long> (var_table[j].start_location));
59 printf (" Length: %d\n", static_cast<int> (var_table[j].length));
62 jvmti->Deallocate (reinterpret_cast<unsigned char *> (var_table));