| /* |
| * 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 <stdlib.h> |
| #include <string.h> |
| |
| #include "native_thread.h" |
| #include "jni_tools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* ============================================================================= */ |
| |
| /* Be careful: do not build shared library which will be linked with different |
| * agent libs while global variables are used |
| * Now the same source is used to build different agent libs, so these |
| * variables are not shared between agents */ |
| |
| static jthread agentThread = NULL; |
| static jvmtiStartFunction agentThreadProc = NULL; |
| static void* agentThreadArg = NULL; |
| |
| |
| typedef enum {NEW, RUNNABLE, WAITING, SUSPENDED, TERMINATED} thread_state_t; |
| |
| typedef struct agent_data_t { |
| volatile thread_state_t thread_state; |
| int last_debuggee_status; |
| jrawMonitorID monitor; |
| } agent_data_t; |
| |
| static agent_data_t agent_data; |
| |
| static jvmtiEnv* jvmti_env = NULL; |
| static JavaVM* jvm = NULL; |
| static JNIEnv* jni_env = NULL; |
| |
| static volatile int currentAgentStatus = NSK_STATUS_PASSED; |
| |
| /* ============================================================================= */ |
| |
| void nsk_jvmti_setFailStatus() { |
| currentAgentStatus = NSK_STATUS_FAILED; |
| } |
| |
| int nsk_jvmti_isFailStatus() { |
| return (nsk_jvmti_getStatus() != NSK_STATUS_PASSED); |
| } |
| |
| jint nsk_jvmti_getStatus() { |
| return currentAgentStatus; |
| } |
| |
| /* ============================================================================= */ |
| static jvmtiError init_agent_data(jvmtiEnv *jvmti_env, agent_data_t *data) { |
| data->thread_state = NEW; |
| data->last_debuggee_status = NSK_STATUS_PASSED; |
| |
| return NSK_CPP_STUB3(CreateRawMonitor, jvmti_env, "agent_data_monitor", &data->monitor); |
| } |
| |
| /** Reset agent data to prepare for another run. */ |
| void nsk_jvmti_resetAgentData() { |
| rawMonitorEnter(jvmti_env, agent_data.monitor); |
| /* wait for agentThreadWrapper() to finish */ |
| while (agent_data.thread_state != TERMINATED) { |
| rawMonitorWait(jvmti_env, agent_data.monitor, 10); |
| } |
| agent_data.thread_state = NEW; |
| agent_data.last_debuggee_status = NSK_STATUS_PASSED; |
| rawMonitorExit(jvmti_env, agent_data.monitor); |
| } |
| |
| static jvmtiError free_agent_data(jvmtiEnv *jvmti_env, agent_data_t *data) { |
| return NSK_CPP_STUB2(DestroyRawMonitor, jvmti_env, data->monitor); |
| } |
| |
| /** Create JVMTI environment. */ |
| jvmtiEnv* nsk_jvmti_createJVMTIEnv(JavaVM* javaVM, void* reserved) { |
| jvm = javaVM; |
| if (!NSK_VERIFY( |
| NSK_CPP_STUB3(GetEnv, javaVM, (void **)&jvmti_env, JVMTI_VERSION_1_1) == JNI_OK)) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| if (!NSK_JVMTI_VERIFY(init_agent_data(jvmti_env, &agent_data))) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| return jvmti_env; |
| } |
| |
| /** Dispose JVMTI environment */ |
| static int nsk_jvmti_disposeJVMTIEnv(jvmtiEnv* jvmti_env) { |
| if (jvmti_env != NULL) { |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB1(DisposeEnvironment, jvmti_env))) { |
| nsk_jvmti_setFailStatus(); |
| return NSK_FALSE; |
| } |
| |
| if (!NSK_JVMTI_VERIFY(free_agent_data(jvmti_env, &agent_data))) { |
| nsk_jvmti_setFailStatus(); |
| return NSK_FALSE; |
| } |
| } |
| return NSK_TRUE; |
| } |
| |
| /** Get JNI environment for agent thread. */ |
| JNIEnv* nsk_jvmti_getAgentJNIEnv() { |
| return jni_env; |
| } |
| |
| /** Get JVMTI environment for agent */ |
| jvmtiEnv* nsk_jvmti_getAgentJVMTIEnv() { |
| return jvmti_env; |
| } |
| |
| /* ============================================================================= */ |
| static void set_agent_thread_state(thread_state_t value) { |
| rawMonitorEnter(jvmti_env, agent_data.monitor); |
| agent_data.thread_state = value; |
| rawMonitorNotify(jvmti_env, agent_data.monitor); |
| rawMonitorExit(jvmti_env, agent_data.monitor); |
| } |
| |
| /** Wrapper for user agent thread. */ |
| static void JNICALL |
| agentThreadWrapper(jvmtiEnv* jvmti_env, JNIEnv* agentJNI, void* arg) { |
| jni_env = agentJNI; |
| |
| /* run user agent proc */ |
| { |
| set_agent_thread_state(RUNNABLE); |
| |
| NSK_TRACE((*agentThreadProc)(jvmti_env, agentJNI, agentThreadArg)); |
| |
| set_agent_thread_state(TERMINATED); |
| } |
| |
| /* finalize agent thread */ |
| { |
| /* gelete global ref for agent thread */ |
| NSK_CPP_STUB2(DeleteGlobalRef, agentJNI, agentThread); |
| agentThread = NULL; |
| } |
| } |
| |
| /** Start wrapper for user agent thread. */ |
| static jthread startAgentThreadWrapper(JNIEnv *jni_env, jvmtiEnv* jvmti_env) { |
| const jint THREAD_PRIORITY = JVMTI_THREAD_MAX_PRIORITY; |
| const char* THREAD_NAME = "JVMTI agent thread"; |
| const char* THREAD_CLASS_NAME = "java/lang/Thread"; |
| const char* THREAD_CTOR_NAME = "<init>"; |
| const char* THREAD_CTOR_SIGNATURE = "(Ljava/lang/String;)V"; |
| |
| jobject threadName = NULL; |
| jclass threadClass = NULL; |
| jmethodID threadCtor = NULL; |
| jobject threadObject = NULL; |
| jobject threadGlobalRef = NULL; |
| |
| if (!NSK_JNI_VERIFY(jni_env, (threadClass = |
| NSK_CPP_STUB2(FindClass, jni_env, THREAD_CLASS_NAME)) != NULL)) { |
| return NULL; |
| } |
| |
| if (!NSK_JNI_VERIFY(jni_env, (threadCtor = |
| NSK_CPP_STUB4(GetMethodID, jni_env, threadClass, THREAD_CTOR_NAME, THREAD_CTOR_SIGNATURE)) != NULL)) |
| return NULL; |
| |
| if (!NSK_JNI_VERIFY(jni_env, (threadName = |
| NSK_CPP_STUB2(NewStringUTF, jni_env, THREAD_NAME)) != NULL)) |
| return NULL; |
| |
| if (!NSK_JNI_VERIFY(jni_env, (threadObject = |
| NSK_CPP_STUB4(NewObject, jni_env, threadClass, threadCtor, threadName)) != NULL)) |
| return NULL; |
| |
| if (!NSK_JNI_VERIFY(jni_env, (threadGlobalRef = |
| NSK_CPP_STUB2(NewGlobalRef, jni_env, threadObject)) != NULL)) { |
| NSK_CPP_STUB2(DeleteLocalRef, jni_env, threadObject); |
| return NULL; |
| } |
| agentThread = (jthread)threadGlobalRef; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB5(RunAgentThread, jvmti_env, agentThread, |
| &agentThreadWrapper, agentThreadArg, THREAD_PRIORITY))) { |
| NSK_CPP_STUB2(DeleteGlobalRef, jni_env, threadGlobalRef); |
| NSK_CPP_STUB2(DeleteLocalRef, jni_env, threadObject); |
| return NULL; |
| } |
| return agentThread; |
| } |
| |
| /** Register user agent thread with arg. */ |
| int nsk_jvmti_setAgentProc(jvmtiStartFunction proc, void* arg) { |
| agentThreadProc = proc; |
| agentThreadArg = arg; |
| return NSK_TRUE; |
| } |
| |
| /** Get agent thread ref. */ |
| jthread nsk_jvmti_getAgentThread() { |
| return agentThread; |
| } |
| |
| /** Run registered user agent thread via wrapper. */ |
| static jthread nsk_jvmti_runAgentThread(JNIEnv *jni_env, jvmtiEnv* jvmti_env) { |
| /* start agent thread wrapper */ |
| jthread thread = startAgentThreadWrapper(jni_env, jvmti_env); |
| if (thread == NULL) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| return thread; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Sleep current thread. */ |
| void nsk_jvmti_sleep(jlong timeout) { |
| int seconds = (int)((timeout + 999) / 1000); |
| THREAD_sleep(seconds); |
| } |
| |
| /** Sync point called from Java code. */ |
| static jint syncDebuggeeStatus(JNIEnv* jni_env, jvmtiEnv* jvmti_env, jint debuggeeStatus) { |
| jint result = NSK_STATUS_FAILED; |
| |
| rawMonitorEnter(jvmti_env, agent_data.monitor); |
| |
| /* save last debugee status */ |
| agent_data.last_debuggee_status = debuggeeStatus; |
| |
| /* we don't enter if-stmt in second call */ |
| if (agent_data.thread_state == NEW) { |
| if (nsk_jvmti_runAgentThread(jni_env, jvmti_env) == NULL) |
| goto monitor_exit_and_return; |
| |
| /* SP2.2-w - wait for agent thread */ |
| while (agent_data.thread_state == NEW) { |
| rawMonitorWait(jvmti_env, agent_data.monitor, 0); |
| } |
| } |
| |
| /* wait for sync permit */ |
| /* we don't enter loop in first call */ |
| while (agent_data.thread_state != WAITING && agent_data.thread_state != TERMINATED) { |
| /* SP4.2-w - second wait for agent thread */ |
| rawMonitorWait(jvmti_env, agent_data.monitor, 0); |
| } |
| |
| if (agent_data.thread_state != TERMINATED) { |
| agent_data.thread_state = SUSPENDED; |
| /* SP3.2-n - notify to start test */ |
| /* SP6.2-n - notify to end test */ |
| rawMonitorNotify(jvmti_env, agent_data.monitor); |
| } |
| else { |
| NSK_COMPLAIN0("Debuggee status sync aborted because agent thread has finished\n"); |
| goto monitor_exit_and_return; |
| } |
| |
| /* update status from debuggee */ |
| if (debuggeeStatus != NSK_STATUS_PASSED) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| while (agent_data.thread_state == SUSPENDED) { |
| /* SP5.2-w - wait while testing */ |
| /* SP7.2 - wait for agent end */ |
| rawMonitorWait(jvmti_env, agent_data.monitor, 0); |
| } |
| |
| agent_data.last_debuggee_status = nsk_jvmti_getStatus(); |
| result = agent_data.last_debuggee_status; |
| |
| monitor_exit_and_return: |
| rawMonitorExit(jvmti_env, agent_data.monitor); |
| return result; |
| } |
| |
| /** Wait for sync point with Java code. */ |
| int nsk_jvmti_waitForSync(jlong timeout) { |
| static const int inc_timeout = 1000; |
| |
| jlong t = 0; |
| int result = NSK_TRUE; |
| |
| rawMonitorEnter(jvmti_env, agent_data.monitor); |
| |
| agent_data.thread_state = WAITING; |
| |
| /* SP2.2-n - notify agent is waiting and wait */ |
| /* SP4.1-n - notify agent is waiting and wait */ |
| rawMonitorNotify(jvmti_env, agent_data.monitor); |
| |
| while (agent_data.thread_state == WAITING) { |
| /* SP3.2-w - wait to start test */ |
| /* SP6.2-w - wait to end test */ |
| rawMonitorWait(jvmti_env, agent_data.monitor, inc_timeout); |
| |
| if (timeout == 0) continue; |
| |
| t += inc_timeout; |
| |
| if (t >= timeout) break; |
| } |
| |
| if (agent_data.thread_state == WAITING) { |
| NSK_COMPLAIN1("No status sync occured for timeout: %"LL"d ms\n", timeout); |
| nsk_jvmti_setFailStatus(); |
| result = NSK_FALSE; |
| } |
| |
| rawMonitorExit(jvmti_env, agent_data.monitor); |
| |
| return result; |
| } |
| |
| /** Resume java code suspended on sync point. */ |
| int nsk_jvmti_resumeSync() { |
| int result; |
| rawMonitorEnter(jvmti_env, agent_data.monitor); |
| |
| if (agent_data.thread_state == SUSPENDED) { |
| result = NSK_TRUE; |
| agent_data.thread_state = RUNNABLE; |
| /* SP5.2-n - notify suspend done */ |
| /* SP7.2-n - notify agent end */ |
| rawMonitorNotify(jvmti_env, agent_data.monitor); |
| } |
| else { |
| NSK_COMPLAIN0("Debuggee was not suspended on status sync\n"); |
| nsk_jvmti_setFailStatus(); |
| result = NSK_FALSE; |
| } |
| |
| rawMonitorExit(jvmti_env, agent_data.monitor); |
| return NSK_TRUE; |
| } |
| |
| /** Native function for Java code to provide sync point. */ |
| JNIEXPORT jint JNICALL |
| Java_nsk_share_jvmti_DebugeeClass_checkStatus(JNIEnv* jni_env, jclass cls, jint debuggeeStatus) { |
| jint status; |
| NSK_TRACE(status = syncDebuggeeStatus(jni_env, jvmti_env, debuggeeStatus)); |
| return status; |
| } |
| |
| /** Native function for Java code to reset agent data. */ |
| JNIEXPORT void JNICALL |
| Java_nsk_share_jvmti_DebugeeClass_resetAgentData(JNIEnv* jni_env, jclass cls) { |
| NSK_TRACE(nsk_jvmti_resetAgentData()); |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Find loaded class by signature. */ |
| jclass nsk_jvmti_classBySignature(const char signature[]) { |
| jclass* classes = NULL; |
| jint count = 0; |
| jclass foundClass = NULL; |
| int i; |
| |
| if (!NSK_VERIFY(signature != NULL)) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetLoadedClasses, jvmti_env, &count, &classes))) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| for (i = 0; i < count; i++) { |
| char* sig = NULL; |
| char* generic = NULL; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB4(GetClassSignature, jvmti_env, classes[i], &sig, &generic))) { |
| nsk_jvmti_setFailStatus(); |
| break; |
| } |
| |
| if (sig != NULL && strcmp(signature, sig) == 0) { |
| foundClass = classes[i]; |
| } |
| |
| if (!(NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)sig)) |
| && NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)generic)))) { |
| nsk_jvmti_setFailStatus(); |
| break; |
| } |
| |
| if (foundClass != NULL) |
| break; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)classes))) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| if (!NSK_JNI_VERIFY(jni_env, (foundClass = (jclass) |
| NSK_CPP_STUB2(NewGlobalRef, jni_env, foundClass)) != NULL)) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| return foundClass; |
| } |
| |
| /** Find alive thread by name. */ |
| jthread nsk_jvmti_threadByName(const char name[]) { |
| jthread* threads = NULL; |
| jint count = 0; |
| jthread foundThread = NULL; |
| int i; |
| |
| if (!NSK_VERIFY(name != NULL)) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetAllThreads, jvmti_env, &count, &threads))) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| for (i = 0; i < count; i++) { |
| jvmtiThreadInfo info; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetThreadInfo, jvmti_env, threads[i], &info))) { |
| nsk_jvmti_setFailStatus(); |
| break; |
| } |
| |
| if (info.name != NULL && strcmp(name, info.name) == 0) { |
| foundThread = threads[i]; |
| break; |
| } |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)threads))) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| if (!NSK_JNI_VERIFY(jni_env, (foundThread = (jthread) |
| NSK_CPP_STUB2(NewGlobalRef, jni_env, foundThread)) != NULL)) { |
| nsk_jvmti_setFailStatus(); |
| return NULL; |
| } |
| |
| return foundThread; |
| } |
| |
| |
| /* ============================================================================= */ |
| |
| /** Add all capabilities for finding line locations. */ |
| int nsk_jvmti_addLocationCapabilities() { |
| jvmtiCapabilities caps; |
| |
| memset(&caps, 0, sizeof(caps)); |
| caps.can_get_line_numbers = 1; |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(AddCapabilities, jvmti_env, &caps))) |
| return NSK_FALSE; |
| |
| return NSK_TRUE; |
| } |
| |
| /** Add all capabilities for using breakpoints. */ |
| int nsk_jvmti_addBreakpointCapabilities() { |
| jvmtiCapabilities caps; |
| |
| if (!nsk_jvmti_addLocationCapabilities()) |
| return NSK_FALSE; |
| |
| memset(&caps, 0, sizeof(caps)); |
| caps.can_generate_breakpoint_events = 1; |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(AddCapabilities, jvmti_env, &caps))) |
| return NSK_FALSE; |
| |
| return NSK_TRUE; |
| } |
| |
| /** Find line location. */ |
| jlocation nsk_jvmti_getLineLocation(jclass cls, jmethodID method, int line) { |
| jint count = 0; |
| jvmtiLineNumberEntry* table = NULL; |
| jlocation location = NSK_JVMTI_INVALID_JLOCATION; |
| int i; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(GetLineNumberTable, jvmti_env, method, &count, &table))) |
| return NSK_JVMTI_INVALID_JLOCATION; |
| |
| for (i = 0; i < count; i++) { |
| if (table[i].line_number == line) { |
| location = table[i].start_location; |
| break; |
| } |
| } |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)table))) |
| return NSK_JVMTI_INVALID_JLOCATION; |
| |
| return location; |
| } |
| |
| /** Set breakpoint to a line. */ |
| jlocation nsk_jvmti_setLineBreakpoint(jclass cls, jmethodID method, int line) { |
| jlocation location = NSK_JVMTI_INVALID_JLOCATION; |
| |
| if (!NSK_VERIFY((location = |
| nsk_jvmti_getLineLocation(cls, method, line)) != NSK_JVMTI_INVALID_JLOCATION)) |
| return NSK_JVMTI_INVALID_JLOCATION; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetBreakpoint, jvmti_env, method, location))) |
| return NSK_JVMTI_INVALID_JLOCATION; |
| |
| return location; |
| } |
| |
| /** Remove breakpoint from a line. */ |
| jlocation nsk_jvmti_clearLineBreakpoint(jclass cls, jmethodID method, int line) { |
| jlocation location = NSK_JVMTI_INVALID_JLOCATION; |
| |
| if (!NSK_VERIFY((location = |
| nsk_jvmti_getLineLocation(cls, method, line)) != NSK_JVMTI_INVALID_JLOCATION)) |
| return NSK_JVMTI_INVALID_JLOCATION; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(ClearBreakpoint, jvmti_env, method, location))) |
| return NSK_JVMTI_INVALID_JLOCATION; |
| |
| return location; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Enable or disable given events. */ |
| int nsk_jvmti_enableEvents(jvmtiEventMode enable, int size, jvmtiEvent list[], jthread thread) { |
| int i; |
| |
| for (i = 0; i < size; i++) { |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB4(SetEventNotificationMode, jvmti_env, enable, |
| list[i], thread))) { |
| nsk_jvmti_setFailStatus(); |
| return NSK_FALSE; |
| } |
| } |
| return NSK_TRUE; |
| } |
| |
| /* ============================================================================= */ |
| |
| typedef jint (JNICALL *checkStatus_type)(JNIEnv* jni_env, jclass cls, jint debuggeeStatus); |
| |
| static checkStatus_type checkStatus_func = NULL; |
| |
| /** |
| * Proxy function to gain sequential access to checkStatus of each agent |
| */ |
| JNIEXPORT jint JNICALL |
| MA_checkStatus(JNIEnv* jni_env, jclass cls, jint debuggeeStatus) { |
| jint status; |
| |
| NSK_TRACE(status = syncDebuggeeStatus(jni_env, jvmti_env, debuggeeStatus)); |
| return (*checkStatus_func)(jni_env, cls, status); |
| } |
| |
| /** |
| * nativeMethodBind callback: |
| * if needed, redirects checkStatus native method call |
| */ |
| static void JNICALL nativeMethodBind(jvmtiEnv* jvmti_env, JNIEnv *jni_env, |
| jthread thread, jmethodID mid, |
| void* address, void** new_address_ptr) { |
| const char* BIND_CLASS_NAME = "Lnsk/share/jvmti/DebugeeClass;"; |
| const char* BIND_METHOD_NAME = "checkStatus"; |
| const char* BIND_METHOD_SIGNATURE = "(I)I"; |
| |
| jvmtiPhase phase; |
| jclass cls; |
| char *class_sig = NULL; |
| char *name = NULL; |
| char *sig = NULL; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetPhase, jvmti_env, &phase))) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| |
| if (phase != JVMTI_PHASE_START && phase != JVMTI_PHASE_LIVE) |
| return; |
| |
| if (NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB5(GetMethodName, jvmti_env, mid, &name, &sig, NULL))) { |
| if (strcmp(name, BIND_METHOD_NAME) == 0 && |
| strcmp(sig, BIND_METHOD_SIGNATURE) == 0) { |
| |
| if (NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetMethodDeclaringClass, jvmti_env, mid, &cls)) |
| && NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB4(GetClassSignature, jvmti_env, cls, &class_sig, NULL)) |
| && strcmp(class_sig, BIND_CLASS_NAME) == 0 |
| && address != (void*)Java_nsk_share_jvmti_DebugeeClass_checkStatus) { |
| checkStatus_func = (checkStatus_type)address; |
| NSK_TRACE(*new_address_ptr = (void*)MA_checkStatus); |
| } |
| } |
| } |
| |
| if (name != NULL) |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)name); |
| |
| if (sig != NULL) |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)sig); |
| |
| if (class_sig != NULL) |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)class_sig); |
| } |
| |
| /** |
| * Initialize multiple agent: |
| * establish processing of nativeMethodBind events |
| */ |
| int nsk_jvmti_init_MA(jvmtiEventCallbacks* callbacks) { |
| |
| if (callbacks == NULL) { |
| NSK_COMPLAIN0("callbacks should not be NULL\n"); |
| nsk_jvmti_setFailStatus(); |
| return NSK_FALSE; |
| } |
| |
| if (callbacks->NativeMethodBind != NULL) { |
| NSK_COMPLAIN0("callbacks.NativeMethodBind should be NULL\n"); |
| nsk_jvmti_setFailStatus(); |
| return NSK_FALSE; |
| } |
| |
| { |
| jvmtiCapabilities caps; |
| memset(&caps, 0, sizeof(caps)); |
| caps.can_generate_native_method_bind_events = 1; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti_env, &caps))) |
| return NSK_FALSE; |
| } |
| |
| callbacks->NativeMethodBind = nativeMethodBind; |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(SetEventCallbacks, jvmti_env, callbacks, |
| sizeof(jvmtiEventCallbacks)))) |
| return NSK_FALSE; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB4(SetEventNotificationMode, jvmti_env, JVMTI_ENABLE, |
| JVMTI_EVENT_NATIVE_METHOD_BIND, NULL))) |
| return NSK_FALSE; |
| |
| return NSK_TRUE; |
| } |
| |
| /* ============================================================================= */ |
| |
| int nsk_jvmti_isOptionalEvent(jvmtiEvent event) { |
| |
| return (event == JVMTI_EVENT_EXCEPTION) |
| || (event == JVMTI_EVENT_EXCEPTION_CATCH) |
| || (event == JVMTI_EVENT_SINGLE_STEP) |
| || (event == JVMTI_EVENT_FRAME_POP) |
| || (event == JVMTI_EVENT_BREAKPOINT) |
| || (event == JVMTI_EVENT_FIELD_ACCESS) |
| || (event == JVMTI_EVENT_FIELD_MODIFICATION) |
| || (event == JVMTI_EVENT_METHOD_ENTRY) |
| || (event == JVMTI_EVENT_METHOD_EXIT) |
| || (event == JVMTI_EVENT_NATIVE_METHOD_BIND) |
| || (event == JVMTI_EVENT_COMPILED_METHOD_LOAD) |
| || (event == JVMTI_EVENT_COMPILED_METHOD_UNLOAD) |
| || (event == JVMTI_EVENT_MONITOR_WAIT) |
| || (event == JVMTI_EVENT_MONITOR_WAITED) |
| || (event == JVMTI_EVENT_MONITOR_CONTENDED_ENTER) |
| || (event == JVMTI_EVENT_MONITOR_CONTENDED_ENTERED) |
| || (event == JVMTI_EVENT_GARBAGE_COLLECTION_START) |
| || (event == JVMTI_EVENT_GARBAGE_COLLECTION_FINISH) |
| || (event == JVMTI_EVENT_OBJECT_FREE) |
| || (event == JVMTI_EVENT_VM_OBJECT_ALLOC); |
| } |
| |
| /* ============================================================================= */ |
| |
| void nsk_jvmti_showPossessedCapabilities(jvmtiEnv *jvmti_env) { |
| |
| jvmtiCapabilities caps; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetCapabilities, jvmti_env, &caps))) { |
| return; |
| } |
| |
| NSK_DISPLAY0("\n"); |
| NSK_DISPLAY0("Possessed capabilities:\n"); |
| NSK_DISPLAY0("-----------------------\n"); |
| if (caps.can_tag_objects) |
| NSK_DISPLAY0("\tcan_tag_objects\n"); |
| if (caps.can_generate_field_modification_events) |
| NSK_DISPLAY0("\tcan_generate_field_modification_events\n"); |
| if (caps.can_generate_field_access_events) |
| NSK_DISPLAY0("\tcan_generate_field_access_events\n"); |
| if (caps.can_get_bytecodes) |
| NSK_DISPLAY0("\tcan_get_bytecodes\n"); |
| if (caps.can_get_synthetic_attribute) |
| NSK_DISPLAY0("\tcan_get_synthetic_attribute\n"); |
| if (caps.can_get_owned_monitor_info) |
| NSK_DISPLAY0("\tcan_get_owned_monitor_info\n"); |
| if (caps.can_get_current_contended_monitor) |
| NSK_DISPLAY0("\tcan_get_current_contended_monitor\n"); |
| if (caps.can_get_monitor_info) |
| NSK_DISPLAY0("\tcan_get_monitor_info\n"); |
| if (caps.can_pop_frame) |
| NSK_DISPLAY0("\tcan_pop_frame\n"); |
| if (caps.can_redefine_classes) |
| NSK_DISPLAY0("\tcan_redefine_classes\n"); |
| if (caps.can_signal_thread) |
| NSK_DISPLAY0("\tcan_signal_thread\n"); |
| if (caps.can_get_source_file_name) |
| NSK_DISPLAY0("\tcan_get_source_file_name\n"); |
| if (caps.can_get_line_numbers) |
| NSK_DISPLAY0("\tcan_get_line_numbers\n"); |
| if (caps.can_get_source_debug_extension) |
| NSK_DISPLAY0("\tcan_get_source_debug_extension\n"); |
| if (caps.can_access_local_variables) |
| NSK_DISPLAY0("\tcan_access_local_variables\n"); |
| if (caps.can_maintain_original_method_order) |
| NSK_DISPLAY0("\tcan_maintain_original_method_order\n"); |
| if (caps.can_generate_single_step_events) |
| NSK_DISPLAY0("\tcan_generate_single_step_events\n"); |
| if (caps.can_generate_exception_events) |
| NSK_DISPLAY0("\tcan_generate_exception_events\n"); |
| if (caps.can_generate_frame_pop_events) |
| NSK_DISPLAY0("\tcan_generate_frame_pop_events\n"); |
| if (caps.can_generate_breakpoint_events) |
| NSK_DISPLAY0("\tcan_generate_breakpoint_events\n"); |
| if (caps.can_suspend) |
| NSK_DISPLAY0("\tcan_suspend\n"); |
| if (caps.can_get_current_thread_cpu_time) |
| NSK_DISPLAY0("\tcan_get_current_thread_cpu_time\n"); |
| if (caps.can_get_thread_cpu_time) |
| NSK_DISPLAY0("\tcan_get_thread_cpu_time\n"); |
| if (caps.can_generate_method_entry_events) |
| NSK_DISPLAY0("\tcan_generate_method_entry_events\n"); |
| if (caps.can_generate_method_exit_events) |
| NSK_DISPLAY0("\tcan_generate_method_exit_events\n"); |
| if (caps.can_generate_all_class_hook_events) |
| NSK_DISPLAY0("\tcan_generate_all_class_hook_events\n"); |
| if (caps.can_generate_compiled_method_load_events) |
| NSK_DISPLAY0("\tcan_generate_compiled_method_load_events\n"); |
| if (caps.can_generate_monitor_events) |
| NSK_DISPLAY0("\tcan_generate_monitor_events\n"); |
| if (caps.can_generate_vm_object_alloc_events) |
| NSK_DISPLAY0("\tcan_generate_vm_object_alloc_events\n"); |
| if (caps.can_generate_native_method_bind_events) |
| NSK_DISPLAY0("\tcan_generate_native_method_bind_events\n"); |
| if (caps.can_generate_garbage_collection_events) |
| NSK_DISPLAY0("\tcan_generate_garbage_collection_events\n"); |
| if (caps.can_generate_object_free_events) |
| NSK_DISPLAY0("\tcan_generate_object_free_events\n"); |
| |
| NSK_DISPLAY0("\n"); |
| } |
| |
| /* ============================================================================= */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
