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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <string.h> 30 #include <dtrace_jni.h> 31 32 /* 33 * This file creates instances of the following Java classes: 34 * - org.opensolaris.os.dtrace.ProbeDescription 35 * - org.opensolaris.os.dtrace.ProbeInfo 36 */ 37 38 jobject 39 dtj_new_probedesc(dtj_java_consumer_t *jc, const dtrace_probedesc_t *probedesc) 40 { 41 JNIEnv *jenv = jc->dtjj_jenv; 42 43 jstring jprov = NULL; 44 jstring jmod = NULL; 45 jstring jfunc = NULL; 46 jstring jname = NULL; 47 jobject jprobedesc = NULL; 48 49 jprov = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_provider); 50 if ((*jenv)->ExceptionCheck(jenv)) { 51 goto cleanup; 52 } 53 jmod = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_mod); 54 if ((*jenv)->ExceptionCheck(jenv)) { 55 goto cleanup; 56 } 57 jfunc = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_func); 58 if ((*jenv)->ExceptionCheck(jenv)) { 59 goto cleanup; 60 } 61 jname = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_name); 62 if ((*jenv)->ExceptionCheck(jenv)) { 63 goto cleanup; 64 } 65 jprobedesc = (*jenv)->NewObject(jenv, g_probedesc_jc, 66 g_probedescinit_jm, jprov, jmod, jfunc, jname); 67 if ((*jenv)->ExceptionCheck(jenv)) { 68 goto cleanup; 69 } 70 /* Does not throw exceptions */ 71 (*jenv)->SetIntField(jenv, jprobedesc, g_probedesc_id_jf, 72 probedesc->dtpd_id); 73 74 cleanup: 75 76 (*jenv)->DeleteLocalRef(jenv, jprov); 77 (*jenv)->DeleteLocalRef(jenv, jmod); 78 (*jenv)->DeleteLocalRef(jenv, jfunc); 79 (*jenv)->DeleteLocalRef(jenv, jname); 80 return (jprobedesc); 81 } 82 83 jobject 84 dtj_new_probeinfo(dtj_java_consumer_t *jc, const dtrace_probeinfo_t *probeinfo) 85 { 86 JNIEnv *jenv = jc->dtjj_jenv; 87 88 jobject jprobeattr = NULL; 89 jobject jargattr = NULL; 90 jobject jprobeinfo = NULL; /* return value */ 91 92 jprobeattr = dtj_new_attribute(jc, &probeinfo->dtp_attr); 93 if ((*jenv)->ExceptionCheck(jenv)) { 94 return (NULL); 95 } 96 jargattr = dtj_new_attribute(jc, &probeinfo->dtp_arga); 97 if ((*jenv)->ExceptionCheck(jenv)) { 98 (*jenv)->DeleteLocalRef(jenv, jprobeattr); 99 return (NULL); 100 } 101 102 jprobeinfo = (*jenv)->NewObject(jenv, g_probeinfo_jc, 103 g_probeinfoinit_jm, jprobeattr, jargattr); 104 105 (*jenv)->DeleteLocalRef(jenv, jprobeattr); 106 (*jenv)->DeleteLocalRef(jenv, jargattr); 107 return (jprobeinfo); 108 } 109