| /* |
| * 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 <stdlib.h> |
| #include "jvmti.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 |
| |
| static jvmtiEnv *jvmti; |
| static jvmtiCapabilities caps; |
| static jvmtiEventCallbacks callbacks; |
| static int watch_ev = 0; /* ignore JVMTI events by default */ |
| static int gen_ev = 0; /* number of generated events */ |
| static int tot_result = PASSED; /* total result of the test */ |
| |
| static jrawMonitorID watch_ev_monitor; |
| |
| static void set_watch_ev(int value) { |
| (*jvmti)->RawMonitorEnter(jvmti, watch_ev_monitor); |
| |
| watch_ev = value; |
| |
| (*jvmti)->RawMonitorExit(jvmti, watch_ev_monitor); |
| } |
| |
| void JNICALL |
| FramePop(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread, |
| jmethodID method, jboolean wasPopedByException) { |
| (*jvmti)->RawMonitorEnter(jvmti, watch_ev_monitor); |
| |
| if (watch_ev) { |
| printf("#### FramePop event occurred ####\n"); |
| gen_ev++; |
| } |
| |
| (*jvmti)->RawMonitorExit(jvmti, watch_ev_monitor); |
| } |
| |
| void JNICALL |
| MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr, |
| jmethodID method, jboolean was_poped_by_exc, jvalue return_value) { |
| (*jvmti)->RawMonitorEnter(jvmti, watch_ev_monitor); |
| |
| if (watch_ev) { |
| printf("#### MethodExit event occurred ####\n"); |
| gen_ev++; |
| } |
| |
| (*jvmti)->RawMonitorExit(jvmti, watch_ev_monitor); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_PopFrame_popframe002_doPopFrame(JNIEnv *env, |
| jclass cls, jint t_case, jobject frameThr) { |
| jvmtiError err; |
| |
| if (!caps.can_pop_frame) { |
| return PASSED; |
| } |
| |
| err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE, |
| JVMTI_EVENT_METHOD_EXIT, frameThr); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("Failed to enable METHOD_EXIT event: %s (%d)\n", |
| TranslateError(err), err); |
| tot_result = STATUS_FAILED; |
| } |
| |
| err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE, |
| JVMTI_EVENT_FRAME_POP, frameThr); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("Failed to enable FRAME_POP event: %s (%d)\n", |
| TranslateError(err), err); |
| tot_result = STATUS_FAILED; |
| } |
| |
| switch(t_case) { |
| /* NULL pointer to the thread in debug mode */ |
| case 1: |
| printf("\nInvoke PopFrame() with NULL pointer to a thread...\n"); |
| fflush(stdout); |
| // fallthrough |
| /* NULL pointer to the thread */ |
| case 0: |
| set_watch_ev(1); /* watch JVMTI events */ |
| err = ((*jvmti)->PopFrame(jvmti, NULL)); /* explode the bomb */ |
| if (err != JVMTI_ERROR_INVALID_THREAD) { |
| printf("TEST FAILED: the function PopFrame() returned the error %d: %s\n", |
| err, TranslateError(err)); |
| printf("\tBut it should return the error JVMTI_ERROR_INVALID_THREAD.\n"); |
| tot_result = STATUS_FAILED; |
| } |
| break; |
| /* invalid thread in debug mode */ |
| case 3: |
| printf("\nInvoke PopFrame() for an invalid thread...\n"); |
| fflush(stdout); |
| // fallthrough |
| /* invalid thread */ |
| case 2: |
| set_watch_ev(1); /* watch JVMTI events */ |
| err = ((*jvmti)->PopFrame(jvmti, cls)); /* explode the bomb */ |
| set_watch_ev(0); /* ignore again JVMTI events */ |
| if (err != JVMTI_ERROR_INVALID_THREAD) { |
| printf("TEST FAILED: the function PopFrame() returned the error %d: %s\n", |
| err, TranslateError(err)); |
| printf("\tBut it should return the error JVMTI_ERROR_INVALID_THREAD.\n"); |
| tot_result = STATUS_FAILED; |
| } |
| break; |
| /* non suspended thread in debug mode */ |
| case 5: |
| printf("\nInvoke PopFrame() for a non suspended thread...\n"); |
| fflush(stdout); |
| // fallthrough |
| /* non suspended thread */ |
| case 4: |
| set_watch_ev(1); /* watch JVMTI events */ |
| err = ((*jvmti)->PopFrame(jvmti, frameThr)); /* explode the bomb */ |
| set_watch_ev(0); /* ignore again JVMTI events */ |
| if (err != JVMTI_ERROR_THREAD_NOT_SUSPENDED) { |
| printf("TEST FAILED: the function PopFrame() returned the error %d: %s\n", |
| err, TranslateError(err)); |
| printf("\tBut it should return the error JVMTI_ERROR_THREAD_NOT_SUSPENDED.\n"); |
| tot_result = STATUS_FAILED; |
| } |
| break; |
| } |
| |
| if (gen_ev) { |
| printf("TEST FAILED: %d JVMTI events were generated by the function PopFrame()\n", |
| gen_ev); |
| tot_result = STATUS_FAILED; |
| } else if (t_case == 1 || t_case == 3 || t_case == 5) |
| printf("Check #%d PASSED: No JVMTI events were generated by the function PopFrame()\n", |
| t_case+1); |
| |
| set_watch_ev(0); /* ignore again JVMTI events */ |
| |
| err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_DISABLE, |
| JVMTI_EVENT_METHOD_EXIT, frameThr); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("Failed to disable METHOD_EXIT event: %s (%d)\n", |
| TranslateError(err), err); |
| tot_result = STATUS_FAILED; |
| } |
| |
| err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_DISABLE, |
| JVMTI_EVENT_FRAME_POP, frameThr); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("Failed to disable FRAME_POP event: %s (%d)\n", |
| TranslateError(err), err); |
| tot_result = STATUS_FAILED; |
| } |
| |
| return(tot_result); |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_popframe002(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_popframe002(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_popframe002(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jint res; |
| jvmtiError err; |
| |
| 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(jvmti, &caps); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| err = (*jvmti)->AddCapabilities(jvmti, &caps); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(AddCapabilities) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| err = (*jvmti)->GetCapabilities(jvmti, &caps); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetCapabilities) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| if (!caps.can_pop_frame) { |
| printf("Warning: PopFrame is not implemented\n"); |
| return JNI_OK; |
| } |
| |
| if (caps.can_generate_frame_pop_events && |
| caps.can_generate_method_exit_events) { |
| callbacks.MethodExit = &MethodExit; |
| callbacks.FramePop = &FramePop; |
| err = (*jvmti)->SetEventCallbacks(jvmti, &callbacks, sizeof(callbacks)); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(SetEventCallbacks) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| } else { |
| printf("Warning: FramePop or MethodExit event is not implemented\n"); |
| } |
| |
| err = (*jvmti)->CreateRawMonitor(jvmti, "watch_ev_monitor", &watch_ev_monitor); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(CreateRawMonitor) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| return JNI_OK; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
