author | chegar |
Thu, 17 Oct 2019 20:54:25 +0100 | |
branch | datagramsocketimpl-branch |
changeset 58679 | 9c3209ff7550 |
parent 58678 | 9cf78a70fa4f |
parent 57683 | 1cf884e437ea |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#include <stdio.h> |
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#include <jvmti.h> |
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#include "agent_common.h" |
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#include <jni.h> |
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#include <string.h> |
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#include "jvmti_tools.h" |
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#include "JVMTITools.h" |
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|
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/* |
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T002: |
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1. Set a breakpoint in method b(). |
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2. Call method a() which calls b(). |
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Upon reaching the breakpoint, enable SingleStep. |
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3. Redefine class within SingleStep callback. New class version |
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contains the same method b() and the changed method a(). Stepping |
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should be continued in the method b(). |
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4. Pop a currently executed frame. Stepping should be continued |
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on invoke instruction of the obsolete method a(). |
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5. Pop a frame once more. Stepping should be continued |
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on invoke instruction of main method and then in the changed |
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method b(). |
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*/ |
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|
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extern "C" { |
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|
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#define FILE_NAME "nsk/jvmti/scenarios/hotswap/HS203/hs203t002/MyThread" |
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#define SEARCH_NAME "nsk/jvmti/scenarios/hotswap/HS203/hs203t002/MyThread" |
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#define METHOD_NAME "doTask2" |
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#define METHOD_SIGN "()V" |
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#define CLASS_NAME "Lnsk/jvmti/scenarios/hotswap/HS203/hs203t002/MyThread;" |
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static jint redefineNumber; |
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static jvmtiEnv * jvmti; |
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JNIEXPORT void JNICALL |
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callbackClassLoad(jvmtiEnv *jvmti, |
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JNIEnv* jni, |
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jthread thread, |
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jclass klass) { |
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char * className; |
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char * generic; |
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redefineNumber=0; |
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jvmti->GetClassSignature(klass, &className, &generic); |
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if (strcmp(className,CLASS_NAME) == 0) { |
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jmethodID method; |
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method = jni->GetMethodID(klass,METHOD_NAME,METHOD_SIGN); |
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if (method != NULL) { |
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jlocation start; |
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jlocation end; |
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jvmtiError err ; |
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err=jvmti->GetMethodLocation(method, &start, &end); |
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if (err == JVMTI_ERROR_NONE) { |
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nsk_printf("Agent:: NO ERRORS FOUND \n"); |
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err= jvmti->SetBreakpoint(method, start); |
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if (err == JVMTI_ERROR_NONE) { |
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nsk_printf("Agent:: Breakpoint set \n"); |
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} else { |
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nsk_printf("Agent:: ***ERROR OCCURED ... in SET BREAK POINT ERROR \n"); |
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} |
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} else { |
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nsk_printf("Agent:: ***ERROR OCCURED .. in METHOD LOCATION FINDER \n"); |
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} |
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} else { |
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nsk_printf("Agent:: ***ERROR OCCURED .. COUND NOT FIND THE METHOD AND SIGNATURE SPECIFIED \n"); |
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} |
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} |
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} |
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void JNICALL callbackSingleStep(jvmtiEnv *jvmti, |
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JNIEnv* jni, jthread thread, |
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jmethodID method, jlocation location) { |
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jclass threadClass; |
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jvmtiError err; |
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char fileName[512]; |
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threadClass = jni->FindClass(SEARCH_NAME); |
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nsk_printf(" %d..",redefineNumber); |
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nsk_jvmti_getFileName(redefineNumber, FILE_NAME, fileName, sizeof(fileName)/sizeof(char)); |
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if (nsk_jvmti_redefineClass(jvmti, threadClass,fileName)) { |
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nsk_printf("Agent:: Redefined..\n"); |
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} else { |
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nsk_printf(" Failed to redefine..\n"); |
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return; |
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} |
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err=jvmti->SuspendThread(thread); |
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if (err == JVMTI_ERROR_NONE) { |
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nsk_printf("Agent:: Succeded in suspending..\n"); |
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} else { |
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nsk_printf(" ## Error occured %s \n",TranslateError(err)); |
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} |
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} |
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void JNICALL callbackBreakpoint(jvmtiEnv *jvmti, |
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JNIEnv* jni, |
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jthread thread, |
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jmethodID method, |
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jlocation location) { |
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nsk_printf("Agent::... BreakPoint Reached..\n"); |
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if (nsk_jvmti_enableNotification(jvmti,JVMTI_EVENT_SINGLE_STEP,thread) == JNI_OK) { |
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nsk_printf(" .... Enabled..\n"); |
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} |
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124 |
return; |
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125 |
} |
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126 |
|
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127 |
|
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128 |
#ifdef STATIC_BUILD |
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JNIEXPORT jint JNICALL Agent_OnLoad_hs203t002(JavaVM *jvm, char *options, void *reserved) { |
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return Agent_Initialize(jvm, options, reserved); |
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131 |
} |
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132 |
JNIEXPORT jint JNICALL Agent_OnAttach_hs203t002(JavaVM *jvm, char *options, void *reserved) { |
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return Agent_Initialize(jvm, options, reserved); |
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134 |
} |
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135 |
JNIEXPORT jint JNI_OnLoad_hs203t002(JavaVM *jvm, char *options, void *reserved) { |
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return JNI_VERSION_1_8; |
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137 |
} |
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138 |
#endif |
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139 |
jint Agent_Initialize(JavaVM *vm, char *options, void *reserved) { |
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140 |
jint rc ; |
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141 |
nsk_printf("Agent:: VM.. Started..\n"); |
51551 | 142 |
rc=vm->GetEnv((void **)&jvmti, JVMTI_VERSION_1_1); |
52949 | 143 |
if (rc != JNI_OK) { |
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nsk_printf("Agent:: Could not load JVMTI interface \n"); |
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145 |
return JNI_ERR; |
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146 |
} else { |
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147 |
jvmtiCapabilities caps; |
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148 |
jvmtiEventCallbacks eventCallbacks; |
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149 |
if (!nsk_jvmti_parseOptions(options)) { |
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nsk_printf("# error agent Failed to parse options \n"); |
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151 |
return JNI_ERR; |
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152 |
} |
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153 |
memset(&caps, 0, sizeof(caps)); |
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154 |
caps.can_redefine_classes = 1; |
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155 |
caps.can_suspend=1; |
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156 |
caps.can_pop_frame=1; |
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157 |
caps.can_generate_breakpoint_events=1; |
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158 |
caps.can_generate_all_class_hook_events=1; |
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159 |
caps.can_generate_single_step_events=1; |
51551 | 160 |
jvmti->AddCapabilities(&caps); |
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161 |
|
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162 |
memset(&eventCallbacks, 0, sizeof(eventCallbacks)); |
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163 |
eventCallbacks.ClassLoad =callbackClassLoad; |
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164 |
eventCallbacks.Breakpoint = callbackBreakpoint; |
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eventCallbacks.SingleStep =callbackSingleStep; |
51551 | 166 |
rc=jvmti->SetEventCallbacks(&eventCallbacks, sizeof(eventCallbacks)); |
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167 |
if (rc != JVMTI_ERROR_NONE) { |
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168 |
nsk_printf(" Agent:: Error occured while setting event call back \n"); |
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169 |
return JNI_ERR; |
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170 |
} |
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171 |
if (nsk_jvmti_enableNotification(jvmti,JVMTI_EVENT_CLASS_LOAD, NULL) && |
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172 |
nsk_jvmti_enableNotification(jvmti,JVMTI_EVENT_BREAKPOINT, NULL)) { |
50260
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173 |
nsk_printf("Agent :: NOTIFICATIONS ARE ENABLED \n"); |
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|
174 |
} else { |
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175 |
nsk_printf(" Error in Eanableing Notifications.."); |
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176 |
} |
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|
177 |
} |
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|
178 |
return JNI_OK; |
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|
179 |
} |
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|
180 |
|
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181 |
|
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182 |
JNIEXPORT jboolean JNICALL |
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183 |
Java_nsk_jvmti_scenarios_hotswap_HS203_hs203t002_hs203t002_popThreadFrame(JNIEnv * jni, |
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|
184 |
jclass clas, |
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|
185 |
jthread thread) { |
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|
186 |
jvmtiError err ; |
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|
187 |
jboolean retvalue; |
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|
188 |
jint state; |
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189 |
nsk_printf("Agent:: POPING THE FRAME....\n"); |
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190 |
retvalue = JNI_FALSE; |
51551 | 191 |
jvmti->GetThreadState(thread, &state); |
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192 |
if (state & JVMTI_THREAD_STATE_SUSPENDED) { |
51551 | 193 |
err = jvmti->PopFrame(thread); |
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194 |
if (err == JVMTI_ERROR_NONE) { |
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195 |
nsk_printf("Agent:: NO Errors poped very well ..\n"); |
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196 |
retvalue = JNI_TRUE; |
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|
197 |
} else { |
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198 |
nsk_printf(" ## Error occured %s \n",TranslateError(err)); |
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|
199 |
} |
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|
200 |
} else { |
46c67f5e27c2
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|
201 |
nsk_printf("Agent:: Thread was not suspened.. check for capabilities, and java method signature \n"); |
46c67f5e27c2
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|
202 |
} |
46c67f5e27c2
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|
203 |
return retvalue; |
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|
204 |
} |
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|
205 |
|
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|
206 |
JNIEXPORT jboolean JNICALL |
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207 |
Java_nsk_jvmti_scenarios_hotswap_HS203_hs203t002_hs203t002_resumeThread(JNIEnv * jni, |
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|
208 |
jclass clas, |
46c67f5e27c2
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|
209 |
jthread thread) { |
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|
210 |
jvmtiError err ; |
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|
211 |
jboolean retvalue; |
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|
212 |
retvalue = JNI_FALSE; |
51551 | 213 |
err =jvmti->SetEventNotificationMode(JVMTI_DISABLE,JVMTI_EVENT_SINGLE_STEP,thread); |
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214 |
if (err == JVMTI_ERROR_NONE) { |
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215 |
nsk_printf(" Agent:: cleared Single Step event"); |
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|
216 |
} else { |
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217 |
nsk_printf(" Agent :: Failed to clear Single Step Event"); |
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218 |
} |
51551 | 219 |
err =jvmti->SetEventNotificationMode(JVMTI_DISABLE,JVMTI_EVENT_BREAKPOINT,thread); |
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220 |
if (err == JVMTI_ERROR_NONE) { |
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221 |
nsk_printf(" Agent:: cleared Break point event"); |
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|
222 |
} else { |
46c67f5e27c2
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223 |
nsk_printf(" Agent :: Failed to clear Single Step Event"); |
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224 |
} |
51551 | 225 |
err = jvmti->ResumeThread(thread); |
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226 |
if (err == JVMTI_ERROR_NONE) { |
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227 |
nsk_printf(" Agent:: Thread Resumed.."); |
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|
228 |
} else { |
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229 |
nsk_printf(" Failed.. to Resume the thread."); |
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230 |
} |
46c67f5e27c2
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|
231 |
return retvalue; |
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|
232 |
} |
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|
233 |
|
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234 |
JNIEXPORT jboolean JNICALL |
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235 |
Java_nsk_jvmti_scenarios_hotswap_HS203_hs203t002_hs203t002_suspendThread(JNIEnv * jni, |
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|
236 |
jclass clas, |
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|
237 |
jthread thread) { |
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|
238 |
jvmtiError err ; |
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|
239 |
jboolean retvalue; |
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|
240 |
retvalue = JNI_FALSE; |
51551 | 241 |
err = jvmti->SuspendThread(thread); |
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242 |
if (err == JVMTI_ERROR_NONE) { |
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243 |
nsk_printf(" Agent:: Thread suspended.."); |
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244 |
retvalue= JNI_TRUE; |
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|
245 |
} else { |
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246 |
nsk_printf(" ## Error occured %s \n",TranslateError(err)); |
46c67f5e27c2
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|
247 |
} |
46c67f5e27c2
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|
248 |
return retvalue; |
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|
249 |
} |
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8199383: [TESTBUG] Open source VM testbase JVMTI tests
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} |