d90f0a51c2
Remove the JNI_ENV_ARG for the rest of the Get[G-Z] Reviewed-by: dholmes, sspitsyn, cjplummer
276 lines
9.6 KiB
C++
276 lines
9.6 KiB
C++
/*
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* Copyright (c) 2003, 2018, 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 <string.h>
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#include "jvmti.h"
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#include "agent_common.h"
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#include "JVMTITools.h"
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extern "C" {
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#define PASSED 0
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#define STATUS_FAILED 2
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static jvmtiEnv *jvmti = NULL;
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static jvmtiCapabilities caps;
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static jvmtiEventCallbacks callbacks;
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static jint result = PASSED;
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static jboolean printdump = JNI_FALSE;
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static jmethodID mid = NULL;
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void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env,
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jthread thr, jmethodID method,
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jboolean was_poped_by_exception, jvalue return_value) {
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jvmtiError err;
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jint entryCount, i;
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jvmtiLocalVariableEntry *table;
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jint intVal;
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jfloat floatVal;
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jdouble doubleVal;
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if (mid == method) {
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err = jvmti->SetEventNotificationMode(JVMTI_DISABLE,
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JVMTI_EVENT_METHOD_EXIT, NULL);
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if (err != JVMTI_ERROR_NONE) {
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printf("Failed to disable metod exit event: %s (%d)\n",
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TranslateError(err), err);
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result = STATUS_FAILED;
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}
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err = jvmti->GetLocalVariableTable(mid,
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&entryCount, &table);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetLocalVariableTable) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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result = STATUS_FAILED;
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return;
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}
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for (i = 0; i < entryCount; i++) {
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if (strcmp(table[i].name, "f") == 0) {
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if (printdump == JNI_TRUE) {
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printf(">>> (float/int) type mismatch check ...\n");
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}
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err = jvmti->GetLocalInt(thr, 0, table[i].slot, &intVal);
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if (err != JVMTI_ERROR_TYPE_MISMATCH) {
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printf("Error expected: JVMTI_ERROR_TYPE_MISMATCH,\n");
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printf("\tactual: %s (%d)\n", TranslateError(err), err);
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result = STATUS_FAILED;
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}
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if (printdump == JNI_TRUE) {
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printf(">>> (float/double) type mismatch check ...\n");
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}
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err = jvmti->GetLocalDouble(thr, 0, table[i].slot, &doubleVal);
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if (err != JVMTI_ERROR_TYPE_MISMATCH) {
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printf("Error expected: JVMTI_ERROR_TYPE_MISMATCH,\n");
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printf("\tactual: %s (%d)\n", TranslateError(err), err);
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result = STATUS_FAILED;
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}
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if (printdump == JNI_TRUE) {
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printf(">>> invalid slot check ...\n");
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}
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err = jvmti->GetLocalFloat(thr, 0, 10, &floatVal);
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if (err != JVMTI_ERROR_INVALID_SLOT) {
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printf("Error expected: JVMTI_ERROR_INVALID_SLOT,\n");
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printf("\tactual: %s (%d)\n", TranslateError(err), err);
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result = STATUS_FAILED;
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}
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if (printdump == JNI_TRUE) {
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printf(">>> null pointer check ...\n");
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}
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err = jvmti->GetLocalFloat(thr, 0, table[i].slot, NULL);
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if (err != JVMTI_ERROR_NULL_POINTER) {
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printf("Error expected: JVMTI_ERROR_NULL_POINTER,\n");
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printf("\tactual: %s (%d)\n", TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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}
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for (i = 0; i < entryCount; i++) {
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jvmti->Deallocate((unsigned char*)table[i].name);
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jvmti->Deallocate((unsigned char*)table[i].signature);
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}
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jvmti->Deallocate((unsigned char*)table);
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}
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}
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_getlocal002(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNICALL Agent_OnAttach_getlocal002(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNI_OnLoad_getlocal002(JavaVM *jvm, char *options, void *reserved) {
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return JNI_VERSION_1_8;
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}
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#endif
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jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
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jint res;
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jvmtiError err;
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if (options != NULL && strcmp(options, "printdump") == 0) {
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printdump = JNI_TRUE;
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}
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res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);
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if (res != JNI_OK || jvmti == NULL) {
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printf("Wrong result of a valid call to GetEnv!\n");
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return JNI_ERR;
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}
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err = jvmti->GetPotentialCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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err = jvmti->AddCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(AddCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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err = jvmti->GetCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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if (!caps.can_access_local_variables) {
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printf("Warning: Access to local variables is not implemented\n");
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} else if (caps.can_generate_method_exit_events) {
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callbacks.MethodExit = &MethodExit;
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err = jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks));
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if (err != JVMTI_ERROR_NONE) {
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printf("(SetEventCallbacks) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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} else {
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printf("Warning: MethodExit event is not implemented\n");
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}
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return JNI_OK;
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}
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JNIEXPORT void JNICALL
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Java_nsk_jvmti_GetLocalVariable_getlocal002_getMeth(JNIEnv *env, jclass cls) {
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jvmtiError err;
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if (jvmti == NULL) {
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printf("JVMTI client was not properly loaded!\n");
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result = STATUS_FAILED;
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return;
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}
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if (!caps.can_access_local_variables ||
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!caps.can_generate_method_exit_events) return;
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mid = env->GetMethodID(cls, "meth01", "()D");
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if (mid == NULL) {
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printf("Cannot find Method ID for meth01\n");
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result = STATUS_FAILED;
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return;
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}
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err = jvmti->SetEventNotificationMode(JVMTI_ENABLE,
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JVMTI_EVENT_METHOD_EXIT, NULL);
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if (err != JVMTI_ERROR_NONE) {
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printf("Failed to enable metod exit event: %s (%d)\n",
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TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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JNIEXPORT void JNICALL
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Java_nsk_jvmti_GetLocalVariable_getlocal002_checkLoc(JNIEnv *env,
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jclass cls, jthread thr) {
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jvmtiError err;
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jvmtiLocalVariableEntry *table;
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jint entryCount, i;
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jmethodID mid;
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jint i1;
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if (jvmti == NULL) {
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return;
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}
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mid = env->GetStaticMethodID(cls, "meth02", "()V");
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if (mid == NULL) {
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printf("Cannot find Method ID for meth02\n");
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result = STATUS_FAILED;
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return;
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}
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err = jvmti->GetLocalVariableTable(mid, &entryCount, &table);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetLocalVariableTable) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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result = STATUS_FAILED;
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return;
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}
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for (i = 0; i < entryCount; i++) {
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if (strcmp(table[i].name, "i1") == 0) {
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if (printdump == JNI_TRUE) {
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printf(">>> invalid thread check ...\n");
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}
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err = jvmti->GetLocalInt(cls, 0, table[i].slot, &i1);
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if (err != JVMTI_ERROR_INVALID_THREAD) {
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printf("Error expected: JVMTI_ERROR_INVALID_THREAD,\n");
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printf("\tactual: %s (%d)\n", TranslateError(err), err);
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result = STATUS_FAILED;
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}
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if (printdump == JNI_TRUE) {
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printf(">>> invalid depth check ...\n");
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}
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err = jvmti->GetLocalInt(thr, -1, table[i].slot, &i1);
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if (err != JVMTI_ERROR_ILLEGAL_ARGUMENT) {
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printf("Error expected: JVMTI_ERROR_ILLEGAL_ARGUMENT,\n");
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printf("\tactual: %s (%d)\n", TranslateError(err), err);
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result = STATUS_FAILED;
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}
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if (printdump == JNI_TRUE) {
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printf(">>> opaque frame check ...\n");
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}
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err = jvmti->GetLocalInt(thr, 0, table[i].slot, &i1);
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if (err != JVMTI_ERROR_OPAQUE_FRAME) {
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printf("Error expected: JVMTI_ERROR_OPAQUE_FRAME,\n");
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printf("\tactual: %s (%d)\n", TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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}
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}
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JNIEXPORT jint JNICALL
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Java_nsk_jvmti_GetLocalVariable_getlocal002_getRes(JNIEnv *env, jclass cls) {
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return result;
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}
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}
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