1 /*
2 * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
194 /* Find the onLoad address */
195 onLoad = findTransportOnLoad(handle);
196 if (onLoad == NULL) {
197 ERROR_MESSAGE(("transport library missing onLoad entry: %s", name));
198 return JDWP_ERROR(TRANSPORT_LOAD);
199 }
200
201 /* Get transport interface */
202 env = getEnv();
203 if (env != NULL) {
204 jdwpTransportEnv *t = NULL;
205 JavaVM *jvm = NULL;
206 jint rc;
207 size_t i;
208 /* If a new version is added here, update 'case JNI_EVERSION' below. */
209 jint supported_versions[2] = {JDWPTRANSPORT_VERSION_1_1, JDWPTRANSPORT_VERSION_1_0};
210
211 JNI_FUNC_PTR(env,GetJavaVM)(env, &jvm);
212
213 /* Try version 1.1 first, fallback to 1.0 on error */
214 for (i = 0; i < sizeof(supported_versions); ++i) {
215 rc = (*onLoad)(jvm, &callback, supported_versions[i], &t);
216 if (rc != JNI_EVERSION) {
217 info->transportVersion = supported_versions[i];
218 break;
219 }
220 }
221
222 if (rc != JNI_OK) {
223 switch (rc) {
224 case JNI_ENOMEM :
225 ERROR_MESSAGE(("insufficient memory to complete initialization"));
226 break;
227
228 case JNI_EVERSION :
229 ERROR_MESSAGE(("transport doesn't recognize all supported versions: "
230 "{ 1_1, 1_0 }"));
231 break;
232
233 case JNI_EEXIST :
234 ERROR_MESSAGE(("transport doesn't support multiple environments"));
|
1 /*
2 * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
194 /* Find the onLoad address */
195 onLoad = findTransportOnLoad(handle);
196 if (onLoad == NULL) {
197 ERROR_MESSAGE(("transport library missing onLoad entry: %s", name));
198 return JDWP_ERROR(TRANSPORT_LOAD);
199 }
200
201 /* Get transport interface */
202 env = getEnv();
203 if (env != NULL) {
204 jdwpTransportEnv *t = NULL;
205 JavaVM *jvm = NULL;
206 jint rc;
207 size_t i;
208 /* If a new version is added here, update 'case JNI_EVERSION' below. */
209 jint supported_versions[2] = {JDWPTRANSPORT_VERSION_1_1, JDWPTRANSPORT_VERSION_1_0};
210
211 JNI_FUNC_PTR(env,GetJavaVM)(env, &jvm);
212
213 /* Try version 1.1 first, fallback to 1.0 on error */
214 for (i = 0; i < sizeof(supported_versions)/sizeof(jint); ++i) {
215 rc = (*onLoad)(jvm, &callback, supported_versions[i], &t);
216 if (rc != JNI_EVERSION) {
217 info->transportVersion = supported_versions[i];
218 break;
219 }
220 }
221
222 if (rc != JNI_OK) {
223 switch (rc) {
224 case JNI_ENOMEM :
225 ERROR_MESSAGE(("insufficient memory to complete initialization"));
226 break;
227
228 case JNI_EVERSION :
229 ERROR_MESSAGE(("transport doesn't recognize all supported versions: "
230 "{ 1_1, 1_0 }"));
231 break;
232
233 case JNI_EEXIST :
234 ERROR_MESSAGE(("transport doesn't support multiple environments"));
|