--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/sampling/SP06/sp06t001/sp06t001.cpp Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,545 @@
+/*
+ * 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 <string.h>
+#include "jvmti.h"
+#include "agent_common.h"
+#include "jni_tools.h"
+#include "jvmti_tools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* ============================================================================= */
+
+/* scaffold objects */
+static JNIEnv* jni = NULL;
+static jvmtiEnv *jvmti = NULL;
+static jlong timeout = 0;
+
+/* constants */
+#define THREADS_COUNT 6
+#define EVENTS_COUNT 2
+#define MAX_NAME_LENGTH 100
+#define MAX_STACK_SIZE 100
+
+/* tested events */
+static jvmtiEvent eventsList[EVENTS_COUNT] = {
+ JVMTI_EVENT_COMPILED_METHOD_LOAD,
+ JVMTI_EVENT_COMPILED_METHOD_UNLOAD
+};
+
+/* thread description structure */
+typedef struct {
+ char threadName[MAX_NAME_LENGTH];
+ char methodName[MAX_NAME_LENGTH];
+ char methodSig[MAX_NAME_LENGTH];
+ int minDepth;
+ jthread thread;
+ jclass cls;
+ jmethodID method;
+ int methodCompiled;
+} ThreadDesc;
+
+/* descriptions of tested threads */
+static ThreadDesc threadsDesc[THREADS_COUNT] = {
+ {"threadRunning", "testedMethod", "(ZI)V", 2, NULL, NULL, NULL, NSK_FALSE},
+ {"threadEntering", "testedMethod", "(ZI)V", 2, NULL, NULL, NULL, NSK_FALSE},
+ {"threadWaiting", "testedMethod", "(ZI)V", 2, NULL, NULL, NULL, NSK_FALSE},
+ {"threadSleeping", "testedMethod", "(ZI)V", 2, NULL, NULL, NULL, NSK_FALSE},
+ {"threadRunningInterrupted", "testedMethod", "(ZI)V", 2, NULL, NULL, NULL, NSK_FALSE},
+ {"threadRunningNative", "testedMethod", "(ZI)V", 2, NULL, NULL, NULL, NSK_FALSE}
+};
+
+/* indexes of known threads */
+static const int interruptedThreadIndex = THREADS_COUNT - 2;
+static const int nativeThreadIndex = THREADS_COUNT - 1;
+
+/* ============================================================================= */
+
+/* testcase(s) */
+static int prepare();
+static int generateEvents();
+static int checkThreads(int suspended, const char* kind);
+static int suspendThreadsIndividually(int suspend);
+static int clean();
+
+/* ============================================================================= */
+
+/** Agent algorithm. */
+static void JNICALL
+agentProc(jvmtiEnv* jvmti, JNIEnv* agentJNI, void* arg) {
+ jni = agentJNI;
+
+ NSK_DISPLAY0("Wait for debuggee to become ready\n");
+ if (!nsk_jvmti_waitForSync(timeout))
+ return;
+
+ {
+ NSK_DISPLAY0("Prepare data\n");
+ if (!prepare()) {
+ nsk_jvmti_setFailStatus();
+ return;
+ }
+
+ NSK_DISPLAY0("Generate missed events\n");
+ if (!generateEvents())
+ return;
+
+ NSK_DISPLAY0("Testcase #1: check stack frames of not suspended threads\n");
+ if (!checkThreads(NSK_FALSE, "not suspended"))
+ return;
+
+ NSK_DISPLAY0("Suspend each thread\n");
+ if (!suspendThreadsIndividually(NSK_TRUE))
+ return;
+
+ NSK_DISPLAY0("Testcase #2: check stack frames of suspended threads\n");
+ if (!checkThreads(NSK_TRUE, "suspended"))
+ return;
+
+ NSK_DISPLAY0("Resume each thread\n");
+ if (!suspendThreadsIndividually(NSK_FALSE))
+ return;
+
+ NSK_DISPLAY0("Testcase #3: check stack frames of resumed threads\n");
+ if (!checkThreads(NSK_FALSE, "resumed"))
+ return;
+
+ NSK_DISPLAY0("Clean data\n");
+ if (!clean()) {
+ nsk_jvmti_setFailStatus();
+ return;
+ }
+ }
+
+ NSK_DISPLAY0("Let debuggee to finish\n");
+ if (!nsk_jvmti_resumeSync())
+ return;
+}
+
+/* ============================================================================= */
+
+/**
+ * Generate missed events (COMPILED_METHOD_LOAD only).
+ */
+static int generateEvents() {
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(GenerateEvents, jvmti, JVMTI_EVENT_COMPILED_METHOD_LOAD))) {
+ nsk_jvmti_setFailStatus();
+ return NSK_FALSE;
+ }
+ return NSK_TRUE;
+}
+
+/**
+ * Prepare data.
+ * - clean threads list
+ * - get all live threads
+ * - get threads name
+ * - find tested threads
+ * - make global refs
+ * - enable events
+ */
+static int prepare() {
+ jthread *allThreadsList = NULL;
+ jint allThreadsCount = 0;
+ int found = 0;
+ int i;
+
+ NSK_DISPLAY1("Find tested threads: %d\n", THREADS_COUNT);
+
+ /* clean threads list */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ threadsDesc[i].thread = (jthread)NULL;
+ threadsDesc[i].method = (jmethodID)NULL;
+ threadsDesc[i].methodCompiled = NSK_FALSE;
+ }
+
+ /* get all live threads */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetAllThreads, jvmti, &allThreadsCount, &allThreadsList)))
+ return NSK_FALSE;
+
+ if (!NSK_VERIFY(allThreadsCount > 0 && allThreadsList != NULL))
+ return NSK_FALSE;
+
+ /* find tested threads */
+ for (i = 0; i < allThreadsCount; i++) {
+ jvmtiThreadInfo threadInfo;
+
+ if (!NSK_VERIFY(allThreadsList[i] != NULL))
+ return NSK_FALSE;
+
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetThreadInfo, jvmti, allThreadsList[i], &threadInfo)))
+ return NSK_FALSE;
+
+ if (threadInfo.name != NULL) {
+ int j;
+
+ for (j = 0; j < THREADS_COUNT; j++) {
+ if (strcmp(threadInfo.name, threadsDesc[j].threadName) == 0) {
+ threadsDesc[j].thread = allThreadsList[i];
+ NSK_DISPLAY3(" thread #%d (%s): 0x%p\n",
+ j, threadInfo.name, (void*)threadsDesc[j].thread);
+ }
+ }
+ }
+ }
+
+ /* deallocate all threads list */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)allThreadsList)))
+ return NSK_FALSE;
+
+ /* check if all tested threads found */
+ found = 0;
+ for (i = 0; i < THREADS_COUNT; i++) {
+ if (threadsDesc[i].thread == NULL) {
+ NSK_COMPLAIN2("Not found tested thread #%d (%s)\n", i, threadsDesc[i].threadName);
+ } else {
+ found++;
+ }
+ }
+
+ if (found < THREADS_COUNT)
+ return NSK_FALSE;
+
+ /* get threads class and frame method */
+ NSK_DISPLAY0("Find tested methods:\n");
+ for (i = 0; i < THREADS_COUNT; i++) {
+
+ if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].cls =
+ NSK_CPP_STUB2(GetObjectClass, jni, threadsDesc[i].thread)) != NULL))
+ return NSK_FALSE;
+
+ if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].method =
+ NSK_CPP_STUB4(GetMethodID, jni, threadsDesc[i].cls,
+ threadsDesc[i].methodName, threadsDesc[i].methodSig)) != NULL))
+ return NSK_FALSE;
+
+ NSK_DISPLAY4(" thread #%d (%s): 0x%p (%s)\n",
+ i, threadsDesc[i].threadName,
+ (void*)threadsDesc[i].method,
+ threadsDesc[i].methodName);
+ }
+
+ /* make global refs */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].thread = (jthread)
+ NSK_CPP_STUB2(NewGlobalRef, jni, threadsDesc[i].thread)) != NULL))
+ return NSK_FALSE;
+ if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].cls = (jclass)
+ NSK_CPP_STUB2(NewGlobalRef, jni, threadsDesc[i].cls)) != NULL))
+ return NSK_FALSE;
+ }
+
+ NSK_DISPLAY0("Enable tested events\n");
+ if (!nsk_jvmti_enableEvents(JVMTI_ENABLE, EVENTS_COUNT, eventsList, NULL))
+ return NSK_FALSE;
+
+ return NSK_TRUE;
+}
+
+/**
+ * Suspend or resume tested threads.
+ */
+static int suspendThreadsIndividually(int suspend) {
+ int i;
+
+ for (i = 0; i < THREADS_COUNT; i++) {
+ if (suspend) {
+ NSK_DISPLAY2(" suspend thread #%d (%s)\n", i, threadsDesc[i].threadName);
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(SuspendThread, jvmti, threadsDesc[i].thread)))
+ nsk_jvmti_setFailStatus();
+ } else {
+ NSK_DISPLAY2(" resume thread #%d (%s)\n", i, threadsDesc[i].threadName);
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(ResumeThread, jvmti, threadsDesc[i].thread)))
+ nsk_jvmti_setFailStatus();
+ }
+ }
+ return NSK_TRUE;
+}
+
+/**
+ * Testcase: check tested threads.
+ * - invoke getFrameCount() for each thread
+ * - check if frameCount is not less than minimal stack depth
+ * - invoke getStackTrace() for each thread
+ * - check if stack depth is not less than frameCount
+ * - for suspended thread check if stack depth is equal to frameCount
+ *
+ * Returns NSK_TRUE if test may continue; or NSK_FALSE for test break.
+ */
+static int checkThreads(int suspended, const char* kind0) {
+ char kind[256] = "";
+ int i;
+
+ /* check each thread */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ jint frameCount = 0;
+ jint frameStackSize = 0;
+ jvmtiFrameInfo frameStack[MAX_STACK_SIZE];
+ int found = 0;
+
+ /* make proper kind */
+ strcpy(kind, threadsDesc[i].methodCompiled ? "compiled " : "not compiled ");
+ strcat(kind, kind0);
+ NSK_DISPLAY2(" thread #%d (%s):\n", i, threadsDesc[i].threadName);
+
+ /* get frame count */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetFrameCount, jvmti,
+ threadsDesc[i].thread, &frameCount))) {
+ nsk_jvmti_setFailStatus();
+ return NSK_TRUE;
+ }
+
+ NSK_DISPLAY1(" frameCount: %d\n", (int)frameCount);
+
+ /* get stack trace */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB6(GetStackTrace, jvmti, threadsDesc[i].thread,
+ 0, MAX_STACK_SIZE, frameStack, &frameStackSize))) {
+ nsk_jvmti_setFailStatus();
+ return NSK_TRUE;
+ }
+
+ NSK_DISPLAY1(" stack depth: %d\n", (int)frameStackSize);
+
+ /* check frame count */
+ if (frameCount < threadsDesc[i].minDepth) {
+ NSK_COMPLAIN5("Too few frameCount of %s thread #%d (%s):\n"
+ "# got frameCount: %d\n"
+ "# expected minimum: %d\n",
+ kind, i, threadsDesc[i].threadName,
+ (int)frameCount, threadsDesc[i].minDepth);
+ nsk_jvmti_setFailStatus();
+ }
+
+ /* check if stack size is not less than frameCount */
+ if (frameStackSize < frameCount) {
+ NSK_COMPLAIN5("Too small stack of %s thread #%d (%s):\n"
+ "# getStackTrace(): %d\n"
+ "# getFrameCount(): %d\n",
+ kind, i, threadsDesc[i].threadName,
+ (int)frameStackSize, (int)frameCount);
+ nsk_jvmti_setFailStatus();
+ }
+
+ /* for suspended thread: check if stack size is equal to frameCount */
+ if (suspended) {
+ if (frameStackSize != frameCount) {
+ NSK_COMPLAIN5("Different frames count for %s thread #%d (%s):\n"
+ "# getStackTrace(): %d\n"
+ "# getFrameCount(): %d\n",
+ kind, i, threadsDesc[i].threadName,
+ (int)frameStackSize, (int)frameCount);
+ nsk_jvmti_setFailStatus();
+ }
+ }
+ }
+
+ /* test may continue */
+ return NSK_TRUE;
+}
+
+/**
+ * Clean data.
+ * - disable events
+ * - dispose global references to tested threads
+ */
+static int clean() {
+ int i;
+
+ NSK_DISPLAY0("Disable events\n");
+ if (!nsk_jvmti_enableEvents(JVMTI_DISABLE, EVENTS_COUNT, eventsList, NULL))
+ return NSK_FALSE;
+
+ NSK_DISPLAY0("Dispose global references to threads\n");
+ for (i = 0; i < THREADS_COUNT; i++) {
+ NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsDesc[i].thread));
+ NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsDesc[i].cls));
+ }
+
+ return NSK_TRUE;
+}
+
+/* ============================================================================= */
+
+/**
+ * COMPILED_METHOD_LOAD callback.
+ * - turn on flag that method is compiled
+ */
+JNIEXPORT void JNICALL
+callbackCompiledMethodLoad(jvmtiEnv* jvmti, jmethodID method,
+ jint code_size, const void* code_addr,
+ jint map_length, const jvmtiAddrLocationMap* map,
+ const void* compile_info) {
+ int i;
+
+ /* check if event is for tested method and turn flag on */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ if (threadsDesc[i].method == method) {
+ threadsDesc[i].methodCompiled = NSK_TRUE;
+
+ NSK_DISPLAY2(" COMPILED_METHOD_LOAD for method #%d (%s):\n",
+ i, threadsDesc[i].methodName);
+ NSK_DISPLAY1(" methodID: 0x%p\n",
+ (void*)threadsDesc[i].method);
+ NSK_DISPLAY1(" code_size: %d\n",
+ (int)code_size);
+ NSK_DISPLAY1(" map_length: %d\n",
+ (int)map_length);
+ break;
+ }
+ }
+}
+
+/**
+ * COMPILED_METHOD_UNLOAD callback.
+ * - turn off flag that method is compiled
+ */
+JNIEXPORT void JNICALL
+callbackCompiledMethodUnload(jvmtiEnv* jvmti, jmethodID method,
+ const void* code_addr) {
+ int i;
+
+ /* check if event is for tested method and turn flag off */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ if (threadsDesc[i].method == method) {
+ threadsDesc[i].methodCompiled = NSK_FALSE;
+
+ NSK_DISPLAY2(" COMPILED_METHOD_UNLOAD for method #%d (%s):\n",
+ i, threadsDesc[i].methodName);
+ NSK_DISPLAY1(" methodID: 0x%p\n",
+ (void*)threadsDesc[i].method);
+ break;
+ }
+ }
+}
+
+/* ============================================================================= */
+
+volatile int testedThreadReady = NSK_FALSE;
+volatile int testedThreadShouldFinish = NSK_FALSE;
+
+/** Native running method in tested thread. */
+JNIEXPORT void JNICALL
+Java_nsk_jvmti_scenarios_sampling_SP06_sp06t001ThreadRunningNative_testedMethod(JNIEnv* jni,
+ jobject obj,
+ jboolean simulate,
+ jint i) {
+ if (!simulate) {
+ volatile int k = 0, n = 1000;
+
+ /* run in a continous loop */
+ testedThreadReady = NSK_TRUE;
+ while (!testedThreadShouldFinish) {
+ if (n <= 0)
+ n = 1000;
+ if (k >= n)
+ k = 0;
+ k++;
+ }
+ }
+}
+
+/** Wait for native method is running. */
+JNIEXPORT jboolean JNICALL
+Java_nsk_jvmti_scenarios_sampling_SP06_sp06t001ThreadRunningNative_checkReady(JNIEnv* jni,
+ jobject obj) {
+ while (!testedThreadReady) {
+ nsk_jvmti_sleep(1000);
+ }
+ return testedThreadReady ? JNI_TRUE : JNI_FALSE;
+}
+
+/** Let native method to finish. */
+JNIEXPORT void JNICALL
+Java_nsk_jvmti_scenarios_sampling_SP06_sp06t001ThreadRunningNative_letFinish(JNIEnv* jni,
+ jobject obj) {
+ testedThreadShouldFinish = NSK_TRUE;
+}
+
+/* ============================================================================= */
+
+/** Agent library initialization. */
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_sp06t001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_sp06t001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_sp06t001(JavaVM *jvm, char *options, void *reserved) {
+ return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+
+ if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
+ return JNI_ERR;
+
+ timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
+
+ if (!NSK_VERIFY((jvmti =
+ nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
+ return JNI_ERR;
+
+ {
+ jvmtiCapabilities caps;
+ memset(&caps, 0, sizeof(caps));
+ caps.can_suspend = 1;
+ caps.can_generate_compiled_method_load_events = 1;
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(AddCapabilities, jvmti, &caps)))
+ return JNI_ERR;
+ }
+
+ {
+ jvmtiEventCallbacks eventCallbacks;
+ memset(&eventCallbacks, 0, sizeof(eventCallbacks));
+ eventCallbacks.CompiledMethodLoad = callbackCompiledMethodLoad;
+ eventCallbacks.CompiledMethodUnload = callbackCompiledMethodUnload;
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(SetEventCallbacks, jvmti,
+ &eventCallbacks, sizeof(eventCallbacks))))
+ return JNI_ERR;
+ }
+
+ if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
+ return JNI_ERR;
+
+ return JNI_OK;
+}
+
+/* ============================================================================= */
+
+#ifdef __cplusplus
+}
+#endif