test/hotspot/jtreg/runtime/RedefineTests/libRedefineDoubleDelete.c
branchJDK-8200758-branch
changeset 57284 8786618d2a55
parent 57283 0b0be19f79e4
parent 54280 a33c42262338
child 57285 c7f237482015
--- a/test/hotspot/jtreg/runtime/RedefineTests/libRedefineDoubleDelete.c	Tue Mar 26 08:57:28 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,164 +0,0 @@
-/*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include "jvmti.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifndef JNI_ENV_ARG
-
-#ifdef __cplusplus
-#define JNI_ENV_ARG(x, y) y
-#define JNI_ENV_PTR(x) x
-#else
-#define JNI_ENV_ARG(x,y) x, y
-#define JNI_ENV_PTR(x) (*x)
-#endif
-
-#endif
-
-#define TranslateError(err) "JVMTI error"
-
-static jvmtiEnv *jvmti = NULL;
-
-static jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved);
-
-JNIEXPORT
-jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
-    return Agent_Initialize(jvm, options, reserved);
-}
-
-JNIEXPORT
-jint JNICALL Agent_OnAttach(JavaVM *jvm, char *options, void *reserved) {
-    return Agent_Initialize(jvm, options, reserved);
-}
-
-JNIEXPORT
-jint JNICALL JNI_OnLoad(JavaVM *jvm, void *reserved) {
-    return JNI_VERSION_9;
-}
-
-
-static jint newClassDataLen = 0;
-static unsigned char* newClassData = NULL;
-
-static jint
-getBytecodes(jvmtiEnv *jvmti_env,
-             jint class_data_len, const unsigned char* class_data) {
-    int i;
-    jint res;
-
-    newClassDataLen = class_data_len;
-    res = (*jvmti_env)->Allocate(jvmti_env, newClassDataLen, &newClassData);
-    if (res != JNI_OK) {
-        printf("    Unable to allocate bytes\n");
-        return JNI_ERR;
-    }
-    for (i = 0; i < newClassDataLen; i++) {
-        newClassData[i] = class_data[i];
-        // Rewrite oo in class to aa
-        if (i > 0 && class_data[i] == 'o' && class_data[i-1] == 'o') {
-            newClassData[i] = newClassData[i-1] = 'a';
-        }
-    }
-    printf("  ... copied bytecode: %d bytes\n", (int)newClassDataLen);
-    return JNI_OK;
-}
-
-
-static void JNICALL
-Callback_ClassFileLoadHook(jvmtiEnv *jvmti_env, JNIEnv *env,
-                           jclass class_being_redefined,
-                           jobject loader, const char* name, jobject protection_domain,
-                           jint class_data_len, const unsigned char* class_data,
-                           jint *new_class_data_len, unsigned char** new_class_data) {
-    if (name != NULL && strcmp(name, "RedefineDoubleDelete$B") == 0) {
-        if (newClassData == NULL) {
-            jint res = getBytecodes(jvmti_env, class_data_len, class_data);
-            if (res == JNI_ERR) {
-              printf(">>>    ClassFileLoadHook event: class name %s FAILED\n", name);
-              return;
-            }
-            // Only change for first CFLH event.
-            *new_class_data_len = newClassDataLen;
-            *new_class_data = newClassData;
-        }
-        printf(">>>    ClassFileLoadHook event: class name %s\n", name);
-    }
-}
-
-static
-jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
-    jint res, size;
-    jvmtiCapabilities caps;
-    jvmtiEventCallbacks callbacks;
-    jvmtiError err;
-
-    res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
-        JVMTI_VERSION_9);
-    if (res != JNI_OK || jvmti == NULL) {
-        printf("    Error: wrong result of a valid call to GetEnv!\n");
-        return JNI_ERR;
-    }
-
-    printf("Enabling following capabilities: can_generate_all_class_hook_events, "
-           "can_retransform_classes, can_redefine_classes");
-    memset(&caps, 0, sizeof(caps));
-    caps.can_generate_all_class_hook_events = 1;
-    caps.can_retransform_classes = 1;
-    caps.can_redefine_classes = 1;
-    printf("\n");
-
-    err = (*jvmti)->AddCapabilities(jvmti, &caps);
-    if (err != JVMTI_ERROR_NONE) {
-        printf("    Error in AddCapabilites: %s (%d)\n", TranslateError(err), err);
-        return JNI_ERR;
-    }
-
-    size = (jint)sizeof(callbacks);
-
-    memset(&callbacks, 0, sizeof(callbacks));
-    callbacks.ClassFileLoadHook = Callback_ClassFileLoadHook;
-
-    err = (*jvmti)->SetEventCallbacks(jvmti, &callbacks, size);
-    if (err != JVMTI_ERROR_NONE) {
-        printf("    Error in SetEventCallbacks: %s (%d)\n", TranslateError(err), err);
-        return JNI_ERR;
-    }
-
-    err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE, JVMTI_EVENT_CLASS_FILE_LOAD_HOOK, NULL);
-    if (err != JVMTI_ERROR_NONE) {
-        printf("    Error in SetEventNotificationMode: %s (%d)\n", TranslateError(err), err);
-        return JNI_ERR;
-    }
-
-    return JNI_OK;
-}
-
-#ifdef __cplusplus
-}
-#endif