--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/MethodEntry/mentry001/mentry001.cpp Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,284 @@
+/*
+ * 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 <inttypes.h>
+#include "jvmti.h"
+#include "agent_common.h"
+#include "jni_tools.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 PASSED 0
+#define STATUS_FAILED 2
+
+typedef struct {
+ char *name;
+ char *sig;
+ jlocation loc;
+} writable_entry_info;
+
+typedef struct {
+ const char *name;
+ const char *sig;
+ const jlocation loc;
+} entry_info;
+
+static jvmtiEnv *jvmti = NULL;
+static jvmtiCapabilities caps;
+static jvmtiEventCallbacks callbacks;
+static jint result = PASSED;
+static jboolean printdump = JNI_FALSE;
+static size_t eventsExpected = 0;
+static size_t eventsCount = 0;
+static entry_info entries[] = {
+ {"check", "()I", -1},
+ {"dummy", "()V", 0},
+ {"chain", "()V", -1}
+};
+
+void JNICALL MethodEntry(jvmtiEnv *jvmti_env, JNIEnv *env,
+ jthread thr, jmethodID method) {
+ jvmtiError err;
+ char *cls_sig, *generic;
+ writable_entry_info entry;
+ jclass cls;
+ jmethodID mid;
+ char buffer[32];
+
+ err = jvmti_env->GetMethodDeclaringClass(method, &cls);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("(GetMethodDeclaringClass) unexpected error: %s (%d)\n",
+ TranslateError(err), err);
+ result = STATUS_FAILED;
+ }
+ err = jvmti_env->GetClassSignature(cls, &cls_sig, &generic);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("(GetClassSignature) unexpected error: %s (%d)\n",
+ TranslateError(err), err);
+ result = STATUS_FAILED;
+ }
+ if (cls_sig != NULL &&
+ strcmp(cls_sig, "Lnsk/jvmti/MethodEntry/mentry001;") == 0) {
+ if (printdump == JNI_TRUE) {
+ printf(">>> retrieving method entry info ...\n");
+ }
+ err = jvmti_env->GetMethodName(method,
+ &entry.name, &entry.sig, &generic);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("(GetMethodName) unexpected error: %s (%d)\n",
+ TranslateError(err), err);
+ result = STATUS_FAILED;
+ }
+ err = jvmti_env->GetFrameLocation(thr, 0, &mid, &entry.loc);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("(GetFrameLocation) unexpected error: %s (%d)\n",
+ TranslateError(err), err);
+ result = STATUS_FAILED;
+ }
+ if (printdump == JNI_TRUE) {
+ printf(">>> class: \"%s\"\n", cls_sig);
+ printf(">>> method: \"%s%s\"\n", entry.name, entry.sig);
+ printf(">>> location: %s\n", jlong_to_string(entry.loc, buffer));
+ printf(">>> ... done\n");
+ }
+ if (eventsCount < sizeof(entries)/sizeof(entry_info)) {
+ if (entry.name == NULL ||
+ strcmp(entry.name, entries[eventsCount].name) != 0) {
+ printf("(entry#%" PRIuPTR ") wrong method name: \"%s\"",
+ eventsCount, entry.name);
+ printf(", expected: \"%s\"\n", entries[eventsCount].name);
+ result = STATUS_FAILED;
+ }
+ if (entry.sig == NULL ||
+ strcmp(entry.sig, entries[eventsCount].sig) != 0) {
+ printf("(entry#%" PRIuPTR ") wrong method sig: \"%s\"",
+ eventsCount, entry.sig);
+ printf(", expected: \"%s\"\n", entries[eventsCount].sig);
+ result = STATUS_FAILED;
+ }
+ if (entry.loc != entries[eventsCount].loc) {
+ printf("(entry#%" PRIuPTR ") wrong location: %s",
+ eventsCount, jlong_to_string(entry.loc, buffer));
+ printf(", expected: %s\n",
+ jlong_to_string(entries[eventsCount].loc, buffer));
+ result = STATUS_FAILED;
+ }
+ } else {
+ printf("Unexpected method entry catched:");
+ printf(" class: \"%s\"\n", cls_sig);
+ printf(" method: \"%s%s\"\n", entry.name, entry.sig);
+ printf(" location: %s\n", jlong_to_string(entry.loc, buffer));
+ result = STATUS_FAILED;
+ }
+ eventsCount++;
+ }
+}
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_mentry001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_mentry001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_mentry001(JavaVM *jvm, char *options, void *reserved) {
+ return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+ jvmtiError err;
+ jint res;
+
+ if (options != NULL && strcmp(options, "printdump") == 0) {
+ printdump = JNI_TRUE;
+ }
+
+ res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
+ JVMTI_VERSION_1_1);
+ if (res != JNI_OK || jvmti == NULL) {
+ printf("Wrong result of a valid call to GetEnv!\n");
+ 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_generate_method_entry_events) {
+ callbacks.MethodEntry = &MethodEntry;
+ err = jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks));
+ if (err != JVMTI_ERROR_NONE) {
+ printf("(SetEventCallbacks) unexpected error: %s (%d)\n",
+ TranslateError(err), err);
+ return JNI_ERR;
+ }
+ } else {
+ printf("Warning: MethodEntry event is not implemented\n");
+ }
+
+ return JNI_OK;
+}
+
+JNIEXPORT void JNICALL
+Java_nsk_jvmti_MethodEntry_mentry001_enable(JNIEnv *env, jclass cls) {
+ jvmtiError err;
+
+ if (jvmti == NULL) {
+ return;
+ }
+
+ if (!caps.can_generate_method_entry_events) {
+ return;
+ }
+
+ err = jvmti->SetEventNotificationMode(JVMTI_ENABLE,
+ JVMTI_EVENT_METHOD_ENTRY, NULL);
+ if (err == JVMTI_ERROR_NONE) {
+ eventsExpected = sizeof(entries)/sizeof(entry_info);
+ } else {
+ printf("Failed to enable JVMTI_EVENT_METHOD_ENTRY event: %s (%d)\n",
+ TranslateError(err), err);
+ result = STATUS_FAILED;
+ }
+}
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_MethodEntry_mentry001_check(JNIEnv *env, jclass cls) {
+ jmethodID mid;
+
+ mid = JNI_ENV_PTR(env)->GetStaticMethodID(JNI_ENV_ARG(env, cls),
+ "dummy", "()V");
+ if (mid == NULL) {
+ printf("Cannot find metod \"dummy()\"!\n");
+ return STATUS_FAILED;
+ }
+
+ JNI_ENV_PTR(env)->CallStaticVoidMethod(JNI_ENV_ARG(env, cls), mid);
+ if (eventsCount != eventsExpected) {
+ printf("Wrong number of MethodEntry events: %" PRIuPTR ", expected: %" PRIuPTR "\n",
+ eventsCount, eventsExpected);
+ result = STATUS_FAILED;
+ }
+ return result;
+}
+
+JNIEXPORT void JNICALL
+Java_nsk_jvmti_MethodEntry_mentry001_chain(JNIEnv *env, jclass cls) {
+ jvmtiError err;
+
+ if (jvmti == NULL) {
+ printf("JVMTI client was not properly loaded!\n");
+ result = STATUS_FAILED;
+ return;
+ }
+
+ if (!caps.can_generate_method_entry_events) {
+ return;
+ }
+
+ err = jvmti->SetEventNotificationMode(JVMTI_DISABLE,
+ JVMTI_EVENT_METHOD_ENTRY, NULL);
+ if (err != JVMTI_ERROR_NONE) {
+ printf("Failed to disable JVMTI_EVENT_METHOD_ENTRY event: %s (%d)\n",
+ TranslateError(err), err);
+ result = STATUS_FAILED;
+ }
+}
+
+#ifdef __cplusplus
+}
+#endif