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
dtj_new_probedesc(dtj_java_consumer_t * jc,const dtrace_probedesc_t * probedesc)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
dtj_new_probeinfo(dtj_java_consumer_t * jc,const dtrace_probeinfo_t * probeinfo)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