1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <string.h> 28 #include <dtrace_jni.h> 29 30 /* 31 * This file creates instances of the following Java classes: 32 * - org.opensolaris.os.dtrace.ProbeDescription 33 * - org.opensolaris.os.dtrace.ProbeInfo 34 */ 35 36 jobject 37 dtj_new_probedesc(dtj_java_consumer_t *jc, const dtrace_probedesc_t *probedesc) 38 { 39 JNIEnv *jenv = jc->dtjj_jenv; 40 41 jstring jprov = NULL; 42 jstring jmod = NULL; 43 jstring jfunc = NULL; 44 jstring jname = NULL; 45 jobject jprobedesc = NULL; 46 47 jprov = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_provider); 48 if ((*jenv)->ExceptionCheck(jenv)) { 49 goto cleanup; 50 } 51 jmod = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_mod); 52 if ((*jenv)->ExceptionCheck(jenv)) { 53 goto cleanup; 54 } 55 jfunc = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_func); 56 if ((*jenv)->ExceptionCheck(jenv)) { 57 goto cleanup; 58 } 59 jname = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_name); 60 if ((*jenv)->ExceptionCheck(jenv)) { 61 goto cleanup; 62 } 63 jprobedesc = (*jenv)->NewObject(jenv, g_probedesc_jc, 64 g_probedescinit_jm, jprov, jmod, jfunc, jname); 65 if ((*jenv)->ExceptionCheck(jenv)) { 66 goto cleanup; 67 } 68 /* Does not throw exceptions */ 69 (*jenv)->SetIntField(jenv, jprobedesc, g_probedesc_id_jf, 70 probedesc->dtpd_id); 71 72 cleanup: 73 74 (*jenv)->DeleteLocalRef(jenv, jprov); 75 (*jenv)->DeleteLocalRef(jenv, jmod); 76 (*jenv)->DeleteLocalRef(jenv, jfunc); 77 (*jenv)->DeleteLocalRef(jenv, jname); 78 return (jprobedesc); 79 } 80 81 jobject 82 dtj_new_probeinfo(dtj_java_consumer_t *jc, const dtrace_probeinfo_t *probeinfo) 83 { 84 JNIEnv *jenv = jc->dtjj_jenv; 85 86 jobject jprobeattr = NULL; 87 jobject jargattr = NULL; 88 jobject jprobeinfo = NULL; /* return value */ 89 90 jprobeattr = dtj_new_attribute(jc, &probeinfo->dtp_attr); 91 if ((*jenv)->ExceptionCheck(jenv)) { 92 return (NULL); 93 } 94 jargattr = dtj_new_attribute(jc, &probeinfo->dtp_arga); 95 if ((*jenv)->ExceptionCheck(jenv)) { 96 (*jenv)->DeleteLocalRef(jenv, jprobeattr); 97 return (NULL); 98 } 99 100 jprobeinfo = (*jenv)->NewObject(jenv, g_probeinfo_jc, 101 g_probeinfoinit_jm, jprobeattr, jargattr); 102 103 (*jenv)->DeleteLocalRef(jenv, jprobeattr); 104 (*jenv)->DeleteLocalRef(jenv, jargattr); 105 return (jprobeinfo); 106 } 107