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test/hotspot/jtreg/vmTestbase/nsk/share/jvmti/AddToSystemClassLoaderSearch/systemclssearch_agent.cpp

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rev 52185 : [mq]: refactor


  34 
  35 static jlong timeout = 0;
  36 
  37 static char segment1[3000] = "";
  38 static char segment2[3000] = "";
  39 
  40 static const char* const illegal_segments[] = {"", "tmp/"};
  41 
  42 jboolean use_segment2 = JNI_FALSE;
  43 
  44 jvmtiPhase jvmti_phase_to_check = JVMTI_PHASE_ONLOAD;
  45 
  46 /* ============================================================================= */
  47 
  48 /**
  49  * Add segment to bootstrap classloader path.
  50  * @returns NSK_FALSE if any error occured.
  51  */
  52 static int addSegment(jvmtiEnv* jvmti, const char segment[], const char where[]) {
  53     NSK_DISPLAY1("Add segment: \"%s\"\n", segment);
  54     if (!NSK_JVMTI_VERIFY(
  55             NSK_CPP_STUB2(AddToSystemClassLoaderSearch, jvmti, segment))) {
  56         NSK_COMPLAIN1("TEST FAILURE: failed to add segment %s\n", segment);
  57         return NSK_FALSE;
  58     }
  59     NSK_DISPLAY0("  ... added\n");
  60 
  61     return NSK_TRUE;
  62 }
  63 
  64 /**
  65  * Try to add illegal segment to bootstrap classloader path and check that expected error
  66  *  (expectedError) is returned.
  67  * @returns NSK_FALSE if no error or wronf error is occured.
  68  */
  69 static int addIllegalSegment(jvmtiEnv* jvmti, const char segment[], const char where[], jvmtiError expectedError) {
  70     NSK_DISPLAY1("Add illegal segment: \"%s\"\n", segment);
  71     if (!NSK_JVMTI_VERIFY_CODE(expectedError,
  72             NSK_CPP_STUB2(AddToSystemClassLoaderSearch, jvmti, segment))) {
  73 
  74         NSK_COMPLAIN2("TEST FAILURE: got wrong error when tried to add segment %s (expected error=%s)\n",
  75                       segment, TranslateError(expectedError));
  76         return NSK_FALSE;
  77     }
  78     NSK_DISPLAY0("  ... not added\n");
  79 
  80     return NSK_TRUE;
  81 }
  82 
  83 /*
  84  * Check that attempt to add illegal segment causes the error.
  85  */
  86 static void checkLivePhaseForIllegalArgs(jvmtiEnv* jvmti, const char where[]) {
  87     size_t i;
  88 
  89     for (i = 0; i < sizeof(illegal_segments)/sizeof(char*); i++) {
  90         if (!addIllegalSegment(jvmti, illegal_segments[i], where, JVMTI_ERROR_ILLEGAL_ARGUMENT)) {
  91             nsk_jvmti_setFailStatus();
  92             NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));


 106     if (!addSegment(jvmti, segment1, "VMInit()")) {
 107         nsk_jvmti_setFailStatus();
 108         NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));
 109     }
 110 
 111     if (use_segment2 == JNI_FALSE) return;
 112 
 113     if (!addSegment(jvmti, segment2, "VMInit()")) {
 114         nsk_jvmti_setFailStatus();
 115         NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));
 116     }
 117 }
 118 
 119 /*
 120  * Check that it is possible to add to the boot class path before VMDeath event return.
 121  */
 122 void JNICALL
 123 callbackVMDeath(jvmtiEnv *jvmti, JNIEnv* jni) {
 124     jvmtiPhase phase;
 125 
 126     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetPhase, jvmti, &phase))) {
 127         NSK_COMPLAIN0("TEST FAILURE: unable to get phase\n");
 128         nsk_jvmti_setFailStatus();
 129         NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));
 130     }
 131 
 132     if (!NSK_VERIFY(phase == JVMTI_PHASE_LIVE)) {
 133         NSK_DISPLAY0(">>> Testcase #1: Add bootstrap class load segment(s) in VMDeath (live phase)\n");
 134 
 135         // At first check that it is not possible to add anything other than an existing JAR file
 136         checkLivePhaseForIllegalArgs(jvmti, "VMDeath()");
 137 
 138         /* Check, that it is possible to add a JAR file containing a class that is already
 139         *  loaded (or is in the process of being loaded) by a _bootstrap_ class loader.
 140         */
 141 
 142         if (!addSegment(jvmti, segment1, "VMDeath()")) {
 143             nsk_jvmti_setFailStatus();
 144             NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));
 145         }
 146 


 201         if (!addSegment(jvmti, segment1, "Agent_OnLoad()")) {
 202             return JNI_ERR;
 203         }
 204 
 205         if (!addSegment(jvmti, segment2, "Agent_OnLoad()")) {
 206             return JNI_ERR;
 207         }
 208 
 209         return JNI_OK;
 210     }
 211 
 212     /* For Live phase enable events and set callbacks for them */
 213     NSK_DISPLAY1("Set callback for events: %s\n", "VM_INIT, VM_DEATH");
 214     {
 215         jvmtiEventCallbacks eventCallbacks;
 216         memset(&eventCallbacks, 0, sizeof(eventCallbacks));
 217 
 218         eventCallbacks.VMInit = callbackVMInit;
 219         eventCallbacks.VMDeath = callbackVMDeath;
 220 
 221         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks, jvmti,
 222                                             &eventCallbacks, sizeof(eventCallbacks)))) {
 223             return JNI_ERR;
 224         }
 225     }
 226     NSK_DISPLAY0("  ... set\n");
 227 
 228     NSK_DISPLAY1("Enable events: %s\n", "VM_INIT, VM_DEATH");
 229     {
 230 
 231         jvmtiEvent eventsList[] = { JVMTI_EVENT_VM_INIT, JVMTI_EVENT_VM_DEATH };
 232         if (!NSK_VERIFY(nsk_jvmti_enableEvents(
 233                      JVMTI_ENABLE, sizeof(eventsList)/sizeof(jvmtiEvent), eventsList, NULL))) {
 234             return JNI_ERR;
 235         }
 236     }
 237     NSK_DISPLAY0("  ... enabled\n");
 238 
 239     return JNI_OK;
 240 }
 241 
 242 /* ============================================================================= */


  34 
  35 static jlong timeout = 0;
  36 
  37 static char segment1[3000] = "";
  38 static char segment2[3000] = "";
  39 
  40 static const char* const illegal_segments[] = {"", "tmp/"};
  41 
  42 jboolean use_segment2 = JNI_FALSE;
  43 
  44 jvmtiPhase jvmti_phase_to_check = JVMTI_PHASE_ONLOAD;
  45 
  46 /* ============================================================================= */
  47 
  48 /**
  49  * Add segment to bootstrap classloader path.
  50  * @returns NSK_FALSE if any error occured.
  51  */
  52 static int addSegment(jvmtiEnv* jvmti, const char segment[], const char where[]) {
  53     NSK_DISPLAY1("Add segment: \"%s\"\n", segment);
  54     if (!NSK_JVMTI_VERIFY(jvmti->AddToSystemClassLoaderSearch(segment))) {

  55         NSK_COMPLAIN1("TEST FAILURE: failed to add segment %s\n", segment);
  56         return NSK_FALSE;
  57     }
  58     NSK_DISPLAY0("  ... added\n");
  59 
  60     return NSK_TRUE;
  61 }
  62 
  63 /**
  64  * Try to add illegal segment to bootstrap classloader path and check that expected error
  65  *  (expectedError) is returned.
  66  * @returns NSK_FALSE if no error or wronf error is occured.
  67  */
  68 static int addIllegalSegment(jvmtiEnv* jvmti, const char segment[], const char where[], jvmtiError expectedError) {
  69     NSK_DISPLAY1("Add illegal segment: \"%s\"\n", segment);
  70     if (!NSK_JVMTI_VERIFY_CODE(expectedError, jvmti->AddToSystemClassLoaderSearch(segment))) {

  71 
  72         NSK_COMPLAIN2("TEST FAILURE: got wrong error when tried to add segment %s (expected error=%s)\n",
  73                       segment, TranslateError(expectedError));
  74         return NSK_FALSE;
  75     }
  76     NSK_DISPLAY0("  ... not added\n");
  77 
  78     return NSK_TRUE;
  79 }
  80 
  81 /*
  82  * Check that attempt to add illegal segment causes the error.
  83  */
  84 static void checkLivePhaseForIllegalArgs(jvmtiEnv* jvmti, const char where[]) {
  85     size_t i;
  86 
  87     for (i = 0; i < sizeof(illegal_segments)/sizeof(char*); i++) {
  88         if (!addIllegalSegment(jvmti, illegal_segments[i], where, JVMTI_ERROR_ILLEGAL_ARGUMENT)) {
  89             nsk_jvmti_setFailStatus();
  90             NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));


 104     if (!addSegment(jvmti, segment1, "VMInit()")) {
 105         nsk_jvmti_setFailStatus();
 106         NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));
 107     }
 108 
 109     if (use_segment2 == JNI_FALSE) return;
 110 
 111     if (!addSegment(jvmti, segment2, "VMInit()")) {
 112         nsk_jvmti_setFailStatus();
 113         NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));
 114     }
 115 }
 116 
 117 /*
 118  * Check that it is possible to add to the boot class path before VMDeath event return.
 119  */
 120 void JNICALL
 121 callbackVMDeath(jvmtiEnv *jvmti, JNIEnv* jni) {
 122     jvmtiPhase phase;
 123 
 124     if (!NSK_JVMTI_VERIFY(jvmti->GetPhase(&phase))) {
 125         NSK_COMPLAIN0("TEST FAILURE: unable to get phase\n");
 126         nsk_jvmti_setFailStatus();
 127         NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));
 128     }
 129 
 130     if (!NSK_VERIFY(phase == JVMTI_PHASE_LIVE)) {
 131         NSK_DISPLAY0(">>> Testcase #1: Add bootstrap class load segment(s) in VMDeath (live phase)\n");
 132 
 133         // At first check that it is not possible to add anything other than an existing JAR file
 134         checkLivePhaseForIllegalArgs(jvmti, "VMDeath()");
 135 
 136         /* Check, that it is possible to add a JAR file containing a class that is already
 137         *  loaded (or is in the process of being loaded) by a _bootstrap_ class loader.
 138         */
 139 
 140         if (!addSegment(jvmti, segment1, "VMDeath()")) {
 141             nsk_jvmti_setFailStatus();
 142             NSK_BEFORE_TRACE(exit(nsk_jvmti_getStatus()));
 143         }
 144 


 199         if (!addSegment(jvmti, segment1, "Agent_OnLoad()")) {
 200             return JNI_ERR;
 201         }
 202 
 203         if (!addSegment(jvmti, segment2, "Agent_OnLoad()")) {
 204             return JNI_ERR;
 205         }
 206 
 207         return JNI_OK;
 208     }
 209 
 210     /* For Live phase enable events and set callbacks for them */
 211     NSK_DISPLAY1("Set callback for events: %s\n", "VM_INIT, VM_DEATH");
 212     {
 213         jvmtiEventCallbacks eventCallbacks;
 214         memset(&eventCallbacks, 0, sizeof(eventCallbacks));
 215 
 216         eventCallbacks.VMInit = callbackVMInit;
 217         eventCallbacks.VMDeath = callbackVMDeath;
 218 
 219         if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&eventCallbacks, sizeof(eventCallbacks)))) {

 220             return JNI_ERR;
 221         }
 222     }
 223     NSK_DISPLAY0("  ... set\n");
 224 
 225     NSK_DISPLAY1("Enable events: %s\n", "VM_INIT, VM_DEATH");
 226     {
 227 
 228         jvmtiEvent eventsList[] = { JVMTI_EVENT_VM_INIT, JVMTI_EVENT_VM_DEATH };
 229         if (!NSK_VERIFY(nsk_jvmti_enableEvents(
 230                      JVMTI_ENABLE, sizeof(eventsList)/sizeof(jvmtiEvent), eventsList, NULL))) {
 231             return JNI_ERR;
 232         }
 233     }
 234     NSK_DISPLAY0("  ... enabled\n");
 235 
 236     return JNI_OK;
 237 }
 238 
 239 /* ============================================================================= */
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