--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/jvmti/AddModuleExportsAndOpens/libAddModuleExportsAndOpensTest.c Thu Dec 01 08:56:41 2016 +0000
@@ -0,0 +1,298 @@
+/*
+ * Copyright (c) 2016, 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"
+
+#define PASSED 0
+#define FAILED 2
+
+static const char *EXC_CNAME = "java/lang/Exception";
+static const char* MOD_CNAME = "Ljava/lang/reflect/Module;";
+
+static jvmtiEnv *jvmti = NULL;
+static jint result = PASSED;
+
+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_1_8;
+}
+
+static
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+ jint 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;
+ }
+
+ return JNI_OK;
+}
+
+static
+jint throw_exc(JNIEnv *env, char *msg) {
+ jclass exc_class = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env, EXC_CNAME));
+
+ if (exc_class == NULL) {
+ printf("throw_exc: Error in FindClass(env, %s)\n", EXC_CNAME);
+ return -1;
+ }
+ return JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG(env, exc_class), msg);
+}
+
+static
+jclass jlrM(JNIEnv *env) {
+ jclass cls = NULL;
+
+ cls = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env, MOD_CNAME));
+ if (cls == NULL) {
+ printf(" Error in JNI FindClass: %s\n", MOD_CNAME);
+ }
+ return cls;
+}
+
+jmethodID
+get_method(JNIEnv *env, jclass clazz, const char * name, const char *sig) {
+ jmethodID method = NULL;
+
+ method = JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG(env, clazz), name, sig);
+ if (method == NULL) {
+ printf(" Error in JNI GetMethodID %s with signature %s", name, sig);
+ }
+ return method;
+}
+
+static
+jboolean is_exported(JNIEnv *env, jobject module, const char* pkg, jboolean open) {
+ static jmethodID mIsExported = NULL;
+ jstring jstr = NULL;
+ jboolean res = JNI_FALSE;
+
+ if (mIsExported == NULL) {
+ const char* sign = "(Ljava/lang/String;)Z";
+ const char* name = open ? "isOpen" : "isExported";
+ mIsExported = get_method(env, jlrM(env), name, sign);
+ }
+ jstr = JNI_ENV_PTR(env)->NewStringUTF(JNI_ENV_ARG(env, pkg));
+ res = JNI_ENV_PTR(env)->CallBooleanMethod(JNI_ENV_ARG(env, module),
+ mIsExported, jstr);
+ return res;
+}
+
+static
+jboolean is_exported_to(JNIEnv *env, jobject module, const char* pkg, jobject to_module,
+ jboolean open) {
+ static jmethodID mIsExportedTo = NULL;
+ jstring jstr = NULL;
+ jboolean res = JNI_FALSE;
+
+ if (mIsExportedTo == NULL) {
+ const char* sign = "(Ljava/lang/String;Ljava/lang/reflect/Module;)Z";
+ const char* name = open ? "isOpen" : "isExported";
+ mIsExportedTo = get_method(env, jlrM(env), name, sign);
+ }
+ jstr = JNI_ENV_PTR(env)->NewStringUTF(JNI_ENV_ARG(env, pkg));
+ res = JNI_ENV_PTR(env)->CallBooleanMethod(JNI_ENV_ARG(env, module),
+ mIsExportedTo, jstr, to_module);
+ return res;
+}
+
+static
+jvmtiError add_module_exports(jobject baseModule, const char* pkg, jobject thisModule,
+ jboolean open) {
+ jvmtiError err = JVMTI_ERROR_NONE;
+ if (open) {
+ err = (*jvmti)->AddModuleOpens(jvmti, baseModule, pkg, thisModule);
+ } else {
+ err = (*jvmti)->AddModuleExports(jvmti, baseModule, pkg, thisModule);
+ }
+ return err;
+}
+
+static
+jint check_add_module_exports(JNIEnv *env,
+ jclass cls,
+ jobject baseModule,
+ jobject thisModule,
+ jboolean open) {
+ static char strbuf[128] = { '\0' };
+ jvmtiError err = JVMTI_ERROR_NONE;
+ const char* pkg = open ? "jdk.internal.math"
+ : "jdk.internal.misc";
+ const char* bad_pkg = "my.bad.pkg";
+ const char* jvmti_fn = open ? "AddModuleOpens"
+ : "AddModuleExports";
+ jboolean exported = JNI_FALSE;
+
+ // Export from NULL module
+ printf("Check #N1:\n");
+ err = add_module_exports(NULL, pkg, thisModule, open);
+ if (err != JVMTI_ERROR_NULL_POINTER) {
+ printf("#N1: jvmtiError from %s: %d\n", jvmti_fn, err);
+ throw_exc(env, "Check #N1: failed to return JVMTI_ERROR_NULL_POINTER for module==NULL");
+ return FAILED;
+ }
+
+ // Export NULL package
+ printf("Check #N2:\n");
+ err = add_module_exports(baseModule, NULL, thisModule, open);
+ if (err != JVMTI_ERROR_NULL_POINTER) {
+ printf("#N2: jvmtiError from %s: %d\n", jvmti_fn, err);
+ throw_exc(env, "Check #N2: failed to return JVMTI_ERROR_NULL_POINTER for pkg==NULL");
+ return FAILED;
+ }
+
+ // Export to NULL module
+ printf("Check #N3:\n");
+ err = add_module_exports(baseModule, pkg, NULL, open);
+ if (err != JVMTI_ERROR_NULL_POINTER) {
+ printf("#N3: jvmtiError from %s: %d\n", jvmti_fn, err);
+ throw_exc(env, "Check #N3: failed to return JVMTI_ERROR_NULL_POINTER for to_module==NULL");
+ return FAILED;
+ }
+
+ // Export a bad package
+ printf("Check #I0:\n");
+ err = add_module_exports(baseModule, bad_pkg, thisModule, open);
+ if (err != JVMTI_ERROR_ILLEGAL_ARGUMENT) {
+ printf("#I0: jvmtiError from %s: %d\n", jvmti_fn, err);
+ throw_exc(env, "Check #I0: did not get expected JVMTI_ERROR_ILLEGAL_ARGUMENT for invalid package");
+ return FAILED;
+ }
+
+ // Export from invalid module (cls)
+ printf("Check #I1:\n");
+ err = add_module_exports((jobject)cls, pkg, thisModule, open);
+ if (err != JVMTI_ERROR_INVALID_MODULE) {
+ printf("#I1: jvmtiError from %s: %d\n", jvmti_fn, err);
+ throw_exc(env, "Check #I1: did not get expected JVMTI_ERROR_INVALID_MODULE for invalid module");
+ return FAILED;
+ }
+
+ // Export to invalid module (cls)
+ printf("Check #I2:\n");
+ err = add_module_exports(baseModule, pkg, (jobject)cls, open);
+ if (err != JVMTI_ERROR_INVALID_MODULE) {
+ printf("#I2: jvmtiError from %s: %d\n", jvmti_fn, err);
+ throw_exc(env, "Check #I2: did not get expected JVMTI_ERROR_INVALID_MODULE for invalid to_module");
+ return FAILED;
+ }
+
+ // Check the pkg is not exported from baseModule to thisModule
+ printf("Check #C0:\n");
+ exported = is_exported_to(env, baseModule, pkg, thisModule, open);
+ if (exported != JNI_FALSE) {
+ sprintf(strbuf, "Check #C0: unexpected export of %s from base to this", pkg);
+ throw_exc(env, strbuf);
+ return FAILED;
+ }
+
+ // Add export of the pkg from baseModule to thisModule
+ printf("Check #C1:\n");
+ err = add_module_exports(baseModule, pkg, thisModule, open);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("#C1: jvmtiError from %s: %d\n", jvmti_fn, err);
+ sprintf(strbuf, "Check #C1: error in add export of %s from base to this", pkg);
+ throw_exc(env, strbuf);
+ return FAILED;
+ }
+
+ // Check the pkg is exported from baseModule to thisModule
+ printf("Check #C2:\n");
+ exported = is_exported_to(env, baseModule, pkg, thisModule, open);
+ if (exported == JNI_FALSE) {
+ sprintf(strbuf, "Check #C2: failed to export %s from base to this", pkg);
+ throw_exc(env, strbuf);
+ return FAILED;
+ }
+
+ // Check the pkg is not exported to all modules
+ printf("Check #C3:\n");
+ exported = is_exported(env, baseModule, pkg, open);
+ if (exported != JNI_FALSE) {
+ sprintf(strbuf, "Check #C3: unexpected export of %s from base to all modules", pkg);
+ throw_exc(env, strbuf);
+ return FAILED;
+ }
+ return PASSED;
+}
+
+JNIEXPORT jint JNICALL
+Java_MyPackage_AddModuleExportsAndOpensTest_check(JNIEnv *env,
+ jclass cls,
+ jobject baseModule,
+ jobject thisModule) {
+ if (jvmti == NULL) {
+ throw_exc(env, "JVMTI client was not properly loaded!\n");
+ return FAILED;
+ }
+
+ printf("\n*** Checks for JVMTI AddModuleExports ***\n\n");
+ result = check_add_module_exports(env, cls, baseModule, thisModule, JNI_FALSE);
+ if (result != PASSED) {
+ return result;
+ }
+
+ printf("\n*** Checks for JVMTI AddModuleOpens ***\n\n");
+ result = check_add_module_exports(env, cls, baseModule, thisModule, JNI_TRUE);
+ if (result != PASSED) {
+ return result;
+ }
+ return result;
+}
+
+#ifdef __cplusplus
+}
+#endif