--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/RedefineClasses/redefclass003/redefclass003.cpp Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,189 @@
+/*
+ * Copyright (c) 2003, 2018, 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>
+#include "jni_tools.h"
+#include "agent_common.h"
+#include "JVMTITools.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 STATUS_FAILED 2
+#define PASSED 0
+#define NO_RESULTS 3
+
+static jvmtiEnv *jvmti = NULL;
+static jvmtiCapabilities caps;
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_redefclass003(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_redefclass003(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_redefclass003(JavaVM *jvm, char *options, void *reserved) {
+ return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *vm, char *options, void *reserved) {
+ jint res;
+ jvmtiError err;
+
+ if ((res = JNI_ENV_PTR(vm)->GetEnv(JNI_ENV_ARG(vm, (void **) &jvmti),
+ JVMTI_VERSION_1_1)) != JNI_OK) {
+ printf("%s: Failed to call GetEnv: error=%d\n", __FILE__, res);
+ return JNI_ERR;
+ }
+
+ err = jvmti->GetPotentialCapabilities(&caps);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
+ TranslateError(err), err);
+ return JNI_ERR;
+ }
+
+ err = jvmti->AddCapabilities(&caps);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("(AddCapabilities) unexpected error: %s (%d)\n",
+ TranslateError(err), err);
+ return JNI_ERR;
+ }
+
+ err = jvmti->GetCapabilities(&caps);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("(GetCapabilities) unexpected error: %s (%d)\n",
+ TranslateError(err), err);
+ return JNI_ERR;
+ }
+
+ if (!caps.can_redefine_classes) {
+ printf("Warning: RedefineClasses is not implemented\n");
+ }
+
+ return JNI_OK;
+}
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_RedefineClasses_redefclass003_makeRedefinition(JNIEnv *env, jclass cls, jint vrb,
+ jclass redefCls, jbyteArray classBytes) {
+ jvmtiError err;
+ jvmtiClassDefinition classDef;
+ int no_results = 0;
+
+ if (jvmti == NULL) {
+ printf("JVMTI client was not properly loaded!\n");
+ return STATUS_FAILED;
+ }
+
+ if (!caps.can_redefine_classes) {
+ return PASSED;
+ }
+
+/* filling the structure jvmtiClassDefinition */
+ classDef.klass = redefCls;
+ classDef.class_byte_count =
+ JNI_ENV_PTR(env)->GetArrayLength(JNI_ENV_ARG(env, classBytes));
+ classDef.class_bytes = (unsigned char *)
+ JNI_ENV_PTR(env)->GetByteArrayElements(JNI_ENV_ARG(env, classBytes), NULL);
+
+ if (vrb == 1)
+ printf(">>>>>>>> Invoke RedefineClasses():\n\tnew class byte count=%d\n",
+ classDef.class_byte_count);
+ if ((err = (jvmti->RedefineClasses(1, &classDef))) != JVMTI_ERROR_NONE) {
+ if (err == JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED) {
+ printf("Warning: unrestrictedly redefinition of classes is not implemented,\n\
+\tso the test has no results.\n");
+ no_results = 1;
+ }
+ else {
+ printf("%s: Failed to call RedefineClasses():\n\tthe function returned error %d: %s\n",
+ __FILE__, err, TranslateError(err));
+ printf("\tFor more info about this error see the JVMTI spec.\n");
+ }
+ if (no_results == 1) return NO_RESULTS;
+ else return JNI_ERR;
+ }
+ if (vrb == 1)
+ printf("<<<<<<<< RedefineClasses() is successfully done\n");
+
+ return PASSED;
+}
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_RedefineClasses_redefclass003_checkNewFields(JNIEnv *env,
+ jclass obj, jint vrb, jclass redefCls) {
+ jfieldID fid;
+ jint intFld;
+ jlong longFld;
+
+ if ((fid = JNI_ENV_PTR(env)->GetStaticFieldID(JNI_ENV_ARG(env, redefCls),
+ "intComplNewFld", "I")) == NULL) {
+ printf("%s: Failed to get the field ID for the static field \"intComplNewFld\"\n",
+ __FILE__);
+ return STATUS_FAILED;
+ }
+ intFld = JNI_ENV_PTR(env)->GetStaticIntField(JNI_ENV_ARG(env, redefCls),
+ fid);
+
+ if ((fid = JNI_ENV_PTR(env)->GetStaticFieldID(JNI_ENV_ARG(env, redefCls),
+ "longComplNewFld", "J")) == NULL) {
+ printf("%s: Failed to get the field ID for the static field \"longComplNewFld\"\n",
+ __FILE__);
+ return STATUS_FAILED;
+ }
+ longFld = JNI_ENV_PTR(env)->GetStaticLongField(JNI_ENV_ARG(env, redefCls),
+ fid);
+
+ if (intFld != 33 || longFld != 44) {
+ printf("Completely new static variable has not assigned its default value:\n");
+ printf("\tintComplNewFld = %d, expected 33\n", intFld);
+ printf("\tlongComplNewFld = %" LL "d, expected 44\n", longFld);
+ return STATUS_FAILED;
+ } else {
+ if (vrb == 1)
+ printf("Completely new static variables:\n\
+\tintComplNewFld = %d\n\tlongComplNewFld = %" LL "d\n", intFld, longFld);
+ return PASSED;
+ }
+}
+
+#ifdef __cplusplus
+}
+#endif