| author | dholmes |
| Sat, 23 Jun 2018 01:32:41 -0400 | |
| changeset 50735 | 2f2af62dfac7 |
| parent 47216 | 71c04702a3d5 |
| child 54649 | 73a87b1aacc2 |
| permissions | -rw-r--r-- |
| 2 | 1 |
/* |
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
2 |
* Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved. |
| 2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
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* This code is free software; you can redistribute it and/or modify it |
|
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* under the terms of the GNU General Public License version 2 only, as |
|
| 5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
| 2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
| 5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
| 2 | 10 |
* |
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
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* version 2 for more details (a copy is included in the LICENSE file that |
|
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* accompanied this code). |
|
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* |
|
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* You should have received a copy of the GNU General Public License version |
|
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* 2 along with this work; if not, write to the Free Software Foundation, |
|
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
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* |
|
| 5506 | 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 |
|
23 |
* questions. |
|
| 2 | 24 |
*/ |
25 |
||
26 |
#include <ctype.h> |
|
27 |
||
28 |
#include "util.h" |
|
29 |
#include "transport.h" |
|
30 |
#include "eventHandler.h" |
|
31 |
#include "threadControl.h" |
|
32 |
#include "outStream.h" |
|
33 |
#include "inStream.h" |
|
34 |
#include "invoker.h" |
|
35 |
||
36 |
/* Global data area */ |
|
37 |
BackendGlobalData *gdata = NULL; |
|
38 |
||
39 |
/* Forward declarations */ |
|
40 |
static jboolean isInterface(jclass clazz); |
|
41 |
static jboolean isArrayClass(jclass clazz); |
|
42 |
static char * getPropertyUTF8(JNIEnv *env, char *propertyName); |
|
43 |
||
44 |
/* Save an object reference for use later (create a NewGlobalRef) */ |
|
45 |
void |
|
46 |
saveGlobalRef(JNIEnv *env, jobject obj, jobject *pobj) |
|
47 |
{
|
|
48 |
jobject newobj; |
|
49 |
||
50 |
if ( pobj == NULL ) {
|
|
51 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"saveGlobalRef pobj"); |
|
52 |
} |
|
53 |
if ( *pobj != NULL ) {
|
|
54 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"saveGlobalRef *pobj"); |
|
55 |
} |
|
56 |
if ( env == NULL ) {
|
|
57 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"saveGlobalRef env"); |
|
58 |
} |
|
59 |
if ( obj == NULL ) {
|
|
60 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"saveGlobalRef obj"); |
|
61 |
} |
|
62 |
newobj = JNI_FUNC_PTR(env,NewGlobalRef)(env, obj); |
|
63 |
if ( newobj == NULL ) {
|
|
64 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,"NewGlobalRef"); |
|
65 |
} |
|
66 |
*pobj = newobj; |
|
67 |
} |
|
68 |
||
69 |
/* Toss a previously saved object reference */ |
|
70 |
void |
|
71 |
tossGlobalRef(JNIEnv *env, jobject *pobj) |
|
72 |
{
|
|
73 |
jobject obj; |
|
74 |
||
75 |
if ( pobj == NULL ) {
|
|
76 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"tossGlobalRef pobj"); |
|
77 |
} |
|
78 |
obj = *pobj; |
|
79 |
if ( env == NULL ) {
|
|
80 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"tossGlobalRef env"); |
|
81 |
} |
|
82 |
if ( obj == NULL ) {
|
|
83 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,"tossGlobalRef obj"); |
|
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} |
|
85 |
JNI_FUNC_PTR(env,DeleteGlobalRef)(env, obj); |
|
86 |
*pobj = NULL; |
|
87 |
} |
|
88 |
||
| 36511 | 89 |
jclass |
| 2 | 90 |
findClass(JNIEnv *env, const char * name) |
91 |
{
|
|
92 |
jclass x; |
|
93 |
||
94 |
if ( env == NULL ) {
|
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95 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"findClass env"); |
|
96 |
} |
|
97 |
if ( name == NULL || name[0] == 0 ) {
|
|
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"findClass name"); |
|
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} |
|
100 |
x = JNI_FUNC_PTR(env,FindClass)(env, name); |
|
101 |
if (x == NULL) {
|
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ERROR_MESSAGE(("JDWP Can't find class %s", name));
|
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103 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL); |
|
104 |
} |
|
105 |
if ( JNI_FUNC_PTR(env,ExceptionOccurred)(env) ) {
|
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ERROR_MESSAGE(("JDWP Exception occurred finding class %s", name));
|
|
107 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL); |
|
108 |
} |
|
109 |
return x; |
|
110 |
} |
|
111 |
||
| 36511 | 112 |
jmethodID |
| 2 | 113 |
getMethod(JNIEnv *env, jclass clazz, const char * name, const char *signature) |
114 |
{
|
|
115 |
jmethodID method; |
|
116 |
||
117 |
if ( env == NULL ) {
|
|
118 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getMethod env"); |
|
119 |
} |
|
120 |
if ( clazz == NULL ) {
|
|
121 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getMethod clazz"); |
|
122 |
} |
|
123 |
if ( name == NULL || name[0] == 0 ) {
|
|
124 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getMethod name"); |
|
125 |
} |
|
126 |
if ( signature == NULL || signature[0] == 0 ) {
|
|
127 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getMethod signature"); |
|
128 |
} |
|
129 |
method = JNI_FUNC_PTR(env,GetMethodID)(env, clazz, name, signature); |
|
130 |
if (method == NULL) {
|
|
131 |
ERROR_MESSAGE(("JDWP Can't find method %s with signature %s",
|
|
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name, signature)); |
|
133 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL); |
|
134 |
} |
|
135 |
if ( JNI_FUNC_PTR(env,ExceptionOccurred)(env) ) {
|
|
136 |
ERROR_MESSAGE(("JDWP Exception occurred finding method %s with signature %s",
|
|
137 |
name, signature)); |
|
138 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL); |
|
139 |
} |
|
140 |
return method; |
|
141 |
} |
|
142 |
||
143 |
static jmethodID |
|
144 |
getStaticMethod(JNIEnv *env, jclass clazz, const char * name, const char *signature) |
|
145 |
{
|
|
146 |
jmethodID method; |
|
147 |
||
148 |
if ( env == NULL ) {
|
|
149 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getStaticMethod env"); |
|
150 |
} |
|
151 |
if ( clazz == NULL ) {
|
|
152 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getStaticMethod clazz"); |
|
153 |
} |
|
154 |
if ( name == NULL || name[0] == 0 ) {
|
|
155 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getStaticMethod name"); |
|
156 |
} |
|
157 |
if ( signature == NULL || signature[0] == 0 ) {
|
|
158 |
EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getStaticMethod signature"); |
|
159 |
} |
|
160 |
method = JNI_FUNC_PTR(env,GetStaticMethodID)(env, clazz, name, signature); |
|
161 |
if (method == NULL) {
|
|
162 |
ERROR_MESSAGE(("JDWP Can't find method %s with signature %s",
|
|
163 |
name, signature)); |
|
164 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL); |
|
165 |
} |
|
166 |
if ( JNI_FUNC_PTR(env,ExceptionOccurred)(env) ) {
|
|
167 |
ERROR_MESSAGE(("JDWP Exception occurred finding method %s with signature %s",
|
|
168 |
name, signature)); |
|
169 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL); |
|
170 |
} |
|
171 |
return method; |
|
172 |
} |
|
173 |
||
174 |
void |
|
175 |
util_initialize(JNIEnv *env) |
|
176 |
{
|
|
177 |
WITH_LOCAL_REFS(env, 6) {
|
|
178 |
||
179 |
jvmtiError error; |
|
180 |
jclass localClassClass; |
|
181 |
jclass localThreadClass; |
|
182 |
jclass localThreadGroupClass; |
|
183 |
jclass localClassLoaderClass; |
|
184 |
jclass localStringClass; |
|
185 |
jclass localSystemClass; |
|
186 |
jclass localPropertiesClass; |
|
187 |
jclass localVMSupportClass; |
|
188 |
jobject localAgentProperties; |
|
189 |
jmethodID getAgentProperties; |
|
190 |
jint groupCount; |
|
191 |
jthreadGroup *groups; |
|
192 |
jthreadGroup localSystemThreadGroup; |
|
193 |
||
194 |
/* Find some standard classes */ |
|
195 |
||
196 |
localClassClass = findClass(env,"java/lang/Class"); |
|
197 |
localThreadClass = findClass(env,"java/lang/Thread"); |
|
198 |
localThreadGroupClass = findClass(env,"java/lang/ThreadGroup"); |
|
199 |
localClassLoaderClass = findClass(env,"java/lang/ClassLoader"); |
|
200 |
localStringClass = findClass(env,"java/lang/String"); |
|
201 |
localSystemClass = findClass(env,"java/lang/System"); |
|
202 |
localPropertiesClass = findClass(env,"java/util/Properties"); |
|
203 |
||
204 |
/* Save references */ |
|
205 |
||
206 |
saveGlobalRef(env, localClassClass, &(gdata->classClass)); |
|
207 |
saveGlobalRef(env, localThreadClass, &(gdata->threadClass)); |
|
208 |
saveGlobalRef(env, localThreadGroupClass, &(gdata->threadGroupClass)); |
|
209 |
saveGlobalRef(env, localClassLoaderClass, &(gdata->classLoaderClass)); |
|
210 |
saveGlobalRef(env, localStringClass, &(gdata->stringClass)); |
|
211 |
saveGlobalRef(env, localSystemClass, &(gdata->systemClass)); |
|
212 |
||
213 |
/* Find some standard methods */ |
|
214 |
||
215 |
gdata->threadConstructor = |
|
216 |
getMethod(env, gdata->threadClass, |
|
217 |
"<init>", "(Ljava/lang/ThreadGroup;Ljava/lang/String;)V"); |
|
218 |
gdata->threadSetDaemon = |
|
219 |
getMethod(env, gdata->threadClass, "setDaemon", "(Z)V"); |
|
220 |
gdata->threadResume = |
|
221 |
getMethod(env, gdata->threadClass, "resume", "()V"); |
|
222 |
gdata->systemGetProperty = |
|
223 |
getStaticMethod(env, gdata->systemClass, |
|
224 |
"getProperty", "(Ljava/lang/String;)Ljava/lang/String;"); |
|
225 |
gdata->setProperty = |
|
226 |
getMethod(env, localPropertiesClass, |
|
227 |
"setProperty", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;"); |
|
228 |
||
229 |
/* Find the system thread group */ |
|
230 |
||
231 |
groups = NULL; |
|
232 |
groupCount = 0; |
|
233 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetTopThreadGroups) |
|
234 |
(gdata->jvmti, &groupCount, &groups); |
|
235 |
if (error != JVMTI_ERROR_NONE ) {
|
|
236 |
EXIT_ERROR(error, "Can't get system thread group"); |
|
237 |
} |
|
238 |
if ( groupCount == 0 ) {
|
|
239 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER, "Can't get system thread group"); |
|
240 |
} |
|
241 |
localSystemThreadGroup = groups[0]; |
|
242 |
saveGlobalRef(env, localSystemThreadGroup, &(gdata->systemThreadGroup)); |
|
243 |
||
244 |
/* Get some basic Java property values we will need at some point */ |
|
245 |
gdata->property_java_version |
|
246 |
= getPropertyUTF8(env, "java.version"); |
|
247 |
gdata->property_java_vm_name |
|
248 |
= getPropertyUTF8(env, "java.vm.name"); |
|
249 |
gdata->property_java_vm_info |
|
250 |
= getPropertyUTF8(env, "java.vm.info"); |
|
251 |
gdata->property_java_class_path |
|
252 |
= getPropertyUTF8(env, "java.class.path"); |
|
253 |
gdata->property_sun_boot_library_path |
|
254 |
= getPropertyUTF8(env, "sun.boot.library.path"); |
|
255 |
gdata->property_path_separator |
|
256 |
= getPropertyUTF8(env, "path.separator"); |
|
257 |
gdata->property_user_dir |
|
258 |
= getPropertyUTF8(env, "user.dir"); |
|
259 |
||
|
36854
84179cb88469
8153181: Move sun.misc.VMSupport to an internal package
chegar
parents:
36511
diff
changeset
|
260 |
/* Get agent properties: invoke VMSupport.getAgentProperties */ |
| 2 | 261 |
localVMSupportClass = JNI_FUNC_PTR(env,FindClass) |
|
36854
84179cb88469
8153181: Move sun.misc.VMSupport to an internal package
chegar
parents:
36511
diff
changeset
|
262 |
(env, "jdk/internal/vm/VMSupport"); |
| 2 | 263 |
if (localVMSupportClass == NULL) {
|
264 |
gdata->agent_properties = NULL; |
|
265 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
266 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
267 |
} |
|
268 |
} else {
|
|
269 |
getAgentProperties = |
|
270 |
getStaticMethod(env, localVMSupportClass, |
|
271 |
"getAgentProperties", "()Ljava/util/Properties;"); |
|
272 |
localAgentProperties = |
|
273 |
JNI_FUNC_PTR(env,CallStaticObjectMethod) |
|
274 |
(env, localVMSupportClass, getAgentProperties); |
|
275 |
saveGlobalRef(env, localAgentProperties, &(gdata->agent_properties)); |
|
276 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
277 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
278 |
EXIT_ERROR(AGENT_ERROR_INTERNAL, |
|
|
36854
84179cb88469
8153181: Move sun.misc.VMSupport to an internal package
chegar
parents:
36511
diff
changeset
|
279 |
"Exception occurred calling VMSupport.getAgentProperties"); |
| 2 | 280 |
} |
281 |
} |
|
282 |
||
283 |
} END_WITH_LOCAL_REFS(env); |
|
284 |
||
285 |
} |
|
286 |
||
287 |
void |
|
288 |
util_reset(void) |
|
289 |
{
|
|
290 |
} |
|
291 |
||
292 |
jboolean |
|
293 |
isObjectTag(jbyte tag) {
|
|
294 |
return (tag == JDWP_TAG(OBJECT)) || |
|
295 |
(tag == JDWP_TAG(STRING)) || |
|
296 |
(tag == JDWP_TAG(THREAD)) || |
|
297 |
(tag == JDWP_TAG(THREAD_GROUP)) || |
|
298 |
(tag == JDWP_TAG(CLASS_LOADER)) || |
|
299 |
(tag == JDWP_TAG(CLASS_OBJECT)) || |
|
300 |
(tag == JDWP_TAG(ARRAY)); |
|
301 |
} |
|
302 |
||
303 |
jbyte |
|
304 |
specificTypeKey(JNIEnv *env, jobject object) |
|
305 |
{
|
|
306 |
if (object == NULL) {
|
|
307 |
return JDWP_TAG(OBJECT); |
|
308 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->stringClass)) {
|
|
309 |
return JDWP_TAG(STRING); |
|
310 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->threadClass)) {
|
|
311 |
return JDWP_TAG(THREAD); |
|
312 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->threadGroupClass)) {
|
|
313 |
return JDWP_TAG(THREAD_GROUP); |
|
314 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->classLoaderClass)) {
|
|
315 |
return JDWP_TAG(CLASS_LOADER); |
|
316 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->classClass)) {
|
|
317 |
return JDWP_TAG(CLASS_OBJECT); |
|
318 |
} else {
|
|
319 |
jboolean classIsArray; |
|
320 |
||
321 |
WITH_LOCAL_REFS(env, 1) {
|
|
322 |
jclass clazz; |
|
323 |
clazz = JNI_FUNC_PTR(env,GetObjectClass)(env, object); |
|
324 |
classIsArray = isArrayClass(clazz); |
|
325 |
} END_WITH_LOCAL_REFS(env); |
|
326 |
||
327 |
return (classIsArray ? JDWP_TAG(ARRAY) : JDWP_TAG(OBJECT)); |
|
328 |
} |
|
329 |
} |
|
330 |
||
331 |
static void |
|
332 |
writeFieldValue(JNIEnv *env, PacketOutputStream *out, jobject object, |
|
333 |
jfieldID field) |
|
334 |
{
|
|
335 |
jclass clazz; |
|
336 |
char *signature = NULL; |
|
337 |
jvmtiError error; |
|
338 |
jbyte typeKey; |
|
339 |
||
340 |
clazz = JNI_FUNC_PTR(env,GetObjectClass)(env, object); |
|
341 |
error = fieldSignature(clazz, field, NULL, &signature, NULL); |
|
342 |
if (error != JVMTI_ERROR_NONE) {
|
|
343 |
outStream_setError(out, map2jdwpError(error)); |
|
344 |
return; |
|
345 |
} |
|
346 |
typeKey = signature[0]; |
|
347 |
jvmtiDeallocate(signature); |
|
348 |
||
349 |
/* |
|
350 |
* For primitive types, the type key is bounced back as is. Objects |
|
351 |
* are handled in the switch statement below. |
|
352 |
*/ |
|
353 |
if ((typeKey != JDWP_TAG(OBJECT)) && (typeKey != JDWP_TAG(ARRAY))) {
|
|
354 |
(void)outStream_writeByte(out, typeKey); |
|
355 |
} |
|
356 |
||
357 |
switch (typeKey) {
|
|
358 |
case JDWP_TAG(OBJECT): |
|
359 |
case JDWP_TAG(ARRAY): {
|
|
360 |
jobject value = JNI_FUNC_PTR(env,GetObjectField)(env, object, field); |
|
361 |
(void)outStream_writeByte(out, specificTypeKey(env, value)); |
|
362 |
(void)outStream_writeObjectRef(env, out, value); |
|
363 |
break; |
|
364 |
} |
|
365 |
||
366 |
case JDWP_TAG(BYTE): |
|
367 |
(void)outStream_writeByte(out, |
|
368 |
JNI_FUNC_PTR(env,GetByteField)(env, object, field)); |
|
369 |
break; |
|
370 |
||
371 |
case JDWP_TAG(CHAR): |
|
372 |
(void)outStream_writeChar(out, |
|
373 |
JNI_FUNC_PTR(env,GetCharField)(env, object, field)); |
|
374 |
break; |
|
375 |
||
376 |
case JDWP_TAG(FLOAT): |
|
377 |
(void)outStream_writeFloat(out, |
|
378 |
JNI_FUNC_PTR(env,GetFloatField)(env, object, field)); |
|
379 |
break; |
|
380 |
||
381 |
case JDWP_TAG(DOUBLE): |
|
382 |
(void)outStream_writeDouble(out, |
|
383 |
JNI_FUNC_PTR(env,GetDoubleField)(env, object, field)); |
|
384 |
break; |
|
385 |
||
386 |
case JDWP_TAG(INT): |
|
387 |
(void)outStream_writeInt(out, |
|
388 |
JNI_FUNC_PTR(env,GetIntField)(env, object, field)); |
|
389 |
break; |
|
390 |
||
391 |
case JDWP_TAG(LONG): |
|
392 |
(void)outStream_writeLong(out, |
|
393 |
JNI_FUNC_PTR(env,GetLongField)(env, object, field)); |
|
394 |
break; |
|
395 |
||
396 |
case JDWP_TAG(SHORT): |
|
397 |
(void)outStream_writeShort(out, |
|
398 |
JNI_FUNC_PTR(env,GetShortField)(env, object, field)); |
|
399 |
break; |
|
400 |
||
401 |
case JDWP_TAG(BOOLEAN): |
|
402 |
(void)outStream_writeBoolean(out, |
|
403 |
JNI_FUNC_PTR(env,GetBooleanField)(env, object, field)); |
|
404 |
break; |
|
405 |
} |
|
406 |
} |
|
407 |
||
408 |
static void |
|
409 |
writeStaticFieldValue(JNIEnv *env, PacketOutputStream *out, jclass clazz, |
|
410 |
jfieldID field) |
|
411 |
{
|
|
412 |
jvmtiError error; |
|
413 |
char *signature = NULL; |
|
414 |
jbyte typeKey; |
|
415 |
||
416 |
error = fieldSignature(clazz, field, NULL, &signature, NULL); |
|
417 |
if (error != JVMTI_ERROR_NONE) {
|
|
418 |
outStream_setError(out, map2jdwpError(error)); |
|
419 |
return; |
|
420 |
} |
|
421 |
typeKey = signature[0]; |
|
422 |
jvmtiDeallocate(signature); |
|
423 |
||
424 |
/* |
|
425 |
* For primitive types, the type key is bounced back as is. Objects |
|
426 |
* are handled in the switch statement below. |
|
427 |
*/ |
|
428 |
if ((typeKey != JDWP_TAG(OBJECT)) && (typeKey != JDWP_TAG(ARRAY))) {
|
|
429 |
(void)outStream_writeByte(out, typeKey); |
|
430 |
} |
|
431 |
||
432 |
switch (typeKey) {
|
|
433 |
case JDWP_TAG(OBJECT): |
|
434 |
case JDWP_TAG(ARRAY): {
|
|
435 |
jobject value = JNI_FUNC_PTR(env,GetStaticObjectField)(env, clazz, field); |
|
436 |
(void)outStream_writeByte(out, specificTypeKey(env, value)); |
|
437 |
(void)outStream_writeObjectRef(env, out, value); |
|
438 |
break; |
|
439 |
} |
|
440 |
||
441 |
case JDWP_TAG(BYTE): |
|
442 |
(void)outStream_writeByte(out, |
|
443 |
JNI_FUNC_PTR(env,GetStaticByteField)(env, clazz, field)); |
|
444 |
break; |
|
445 |
||
446 |
case JDWP_TAG(CHAR): |
|
447 |
(void)outStream_writeChar(out, |
|
448 |
JNI_FUNC_PTR(env,GetStaticCharField)(env, clazz, field)); |
|
449 |
break; |
|
450 |
||
451 |
case JDWP_TAG(FLOAT): |
|
452 |
(void)outStream_writeFloat(out, |
|
453 |
JNI_FUNC_PTR(env,GetStaticFloatField)(env, clazz, field)); |
|
454 |
break; |
|
455 |
||
456 |
case JDWP_TAG(DOUBLE): |
|
457 |
(void)outStream_writeDouble(out, |
|
458 |
JNI_FUNC_PTR(env,GetStaticDoubleField)(env, clazz, field)); |
|
459 |
break; |
|
460 |
||
461 |
case JDWP_TAG(INT): |
|
462 |
(void)outStream_writeInt(out, |
|
463 |
JNI_FUNC_PTR(env,GetStaticIntField)(env, clazz, field)); |
|
464 |
break; |
|
465 |
||
466 |
case JDWP_TAG(LONG): |
|
467 |
(void)outStream_writeLong(out, |
|
468 |
JNI_FUNC_PTR(env,GetStaticLongField)(env, clazz, field)); |
|
469 |
break; |
|
470 |
||
471 |
case JDWP_TAG(SHORT): |
|
472 |
(void)outStream_writeShort(out, |
|
473 |
JNI_FUNC_PTR(env,GetStaticShortField)(env, clazz, field)); |
|
474 |
break; |
|
475 |
||
476 |
case JDWP_TAG(BOOLEAN): |
|
477 |
(void)outStream_writeBoolean(out, |
|
478 |
JNI_FUNC_PTR(env,GetStaticBooleanField)(env, clazz, field)); |
|
479 |
break; |
|
480 |
} |
|
481 |
} |
|
482 |
||
483 |
void |
|
484 |
sharedGetFieldValues(PacketInputStream *in, PacketOutputStream *out, |
|
485 |
jboolean isStatic) |
|
486 |
{
|
|
487 |
JNIEnv *env = getEnv(); |
|
488 |
jint length; |
|
489 |
jobject object; |
|
490 |
jclass clazz; |
|
491 |
||
492 |
object = NULL; |
|
493 |
clazz = NULL; |
|
494 |
||
495 |
if (isStatic) {
|
|
496 |
clazz = inStream_readClassRef(env, in); |
|
497 |
} else {
|
|
498 |
object = inStream_readObjectRef(env, in); |
|
499 |
} |
|
500 |
||
501 |
length = inStream_readInt(in); |
|
502 |
if (inStream_error(in)) {
|
|
503 |
return; |
|
504 |
} |
|
505 |
||
506 |
WITH_LOCAL_REFS(env, length + 1) { /* +1 for class with instance fields */
|
|
507 |
||
508 |
int i; |
|
509 |
||
510 |
(void)outStream_writeInt(out, length); |
|
511 |
for (i = 0; (i < length) && !outStream_error(out); i++) {
|
|
512 |
jfieldID field = inStream_readFieldID(in); |
|
513 |
||
514 |
if (isStatic) {
|
|
515 |
writeStaticFieldValue(env, out, clazz, field); |
|
516 |
} else {
|
|
517 |
writeFieldValue(env, out, object, field); |
|
518 |
} |
|
519 |
} |
|
520 |
||
521 |
} END_WITH_LOCAL_REFS(env); |
|
522 |
} |
|
523 |
||
524 |
jboolean |
|
525 |
sharedInvoke(PacketInputStream *in, PacketOutputStream *out) |
|
526 |
{
|
|
527 |
jvalue *arguments = NULL; |
|
528 |
jint options; |
|
529 |
jvmtiError error; |
|
530 |
jbyte invokeType; |
|
531 |
jclass clazz; |
|
532 |
jmethodID method; |
|
533 |
jint argumentCount; |
|
534 |
jobject instance; |
|
535 |
jthread thread; |
|
536 |
JNIEnv *env; |
|
537 |
||
538 |
/* |
|
539 |
* Instance methods start with the instance, thread and class, |
|
540 |
* and statics and constructors start with the class and then the |
|
541 |
* thread. |
|
542 |
*/ |
|
543 |
env = getEnv(); |
|
544 |
if (inStream_command(in) == JDWP_COMMAND(ObjectReference, InvokeMethod)) {
|
|
545 |
instance = inStream_readObjectRef(env, in); |
|
546 |
thread = inStream_readThreadRef(env, in); |
|
547 |
clazz = inStream_readClassRef(env, in); |
|
548 |
} else { /* static method or constructor */
|
|
549 |
instance = NULL; |
|
550 |
clazz = inStream_readClassRef(env, in); |
|
551 |
thread = inStream_readThreadRef(env, in); |
|
552 |
} |
|
553 |
||
554 |
/* |
|
555 |
* ... and the rest of the packet is identical for all commands |
|
556 |
*/ |
|
557 |
method = inStream_readMethodID(in); |
|
558 |
argumentCount = inStream_readInt(in); |
|
559 |
if (inStream_error(in)) {
|
|
560 |
return JNI_TRUE; |
|
561 |
} |
|
562 |
||
563 |
/* If count == 0, don't try and allocate 0 bytes, you'll get NULL */ |
|
564 |
if ( argumentCount > 0 ) {
|
|
565 |
int i; |
|
566 |
/*LINTED*/ |
|
567 |
arguments = jvmtiAllocate(argumentCount * (jint)sizeof(*arguments)); |
|
568 |
if (arguments == NULL) {
|
|
569 |
outStream_setError(out, JDWP_ERROR(OUT_OF_MEMORY)); |
|
570 |
return JNI_TRUE; |
|
571 |
} |
|
572 |
for (i = 0; (i < argumentCount) && !inStream_error(in); i++) {
|
|
573 |
arguments[i] = inStream_readValue(in, NULL); |
|
574 |
} |
|
575 |
if (inStream_error(in)) {
|
|
576 |
return JNI_TRUE; |
|
577 |
} |
|
578 |
} |
|
579 |
||
580 |
options = inStream_readInt(in); |
|
581 |
if (inStream_error(in)) {
|
|
582 |
if ( arguments != NULL ) {
|
|
583 |
jvmtiDeallocate(arguments); |
|
584 |
} |
|
585 |
return JNI_TRUE; |
|
586 |
} |
|
587 |
||
588 |
if (inStream_command(in) == JDWP_COMMAND(ClassType, NewInstance)) {
|
|
589 |
invokeType = INVOKE_CONSTRUCTOR; |
|
590 |
} else if (inStream_command(in) == JDWP_COMMAND(ClassType, InvokeMethod)) {
|
|
591 |
invokeType = INVOKE_STATIC; |
|
|
24195
705325a63a58
8042123: Support default and static interface methods in JDI, JDWP and JDB
jbachorik
parents:
24127
diff
changeset
|
592 |
} else if (inStream_command(in) == JDWP_COMMAND(InterfaceType, InvokeMethod)) {
|
|
705325a63a58
8042123: Support default and static interface methods in JDI, JDWP and JDB
jbachorik
parents:
24127
diff
changeset
|
593 |
invokeType = INVOKE_STATIC; |
| 2 | 594 |
} else if (inStream_command(in) == JDWP_COMMAND(ObjectReference, InvokeMethod)) {
|
595 |
invokeType = INVOKE_INSTANCE; |
|
596 |
} else {
|
|
597 |
outStream_setError(out, JDWP_ERROR(INTERNAL)); |
|
598 |
if ( arguments != NULL ) {
|
|
599 |
jvmtiDeallocate(arguments); |
|
600 |
} |
|
601 |
return JNI_TRUE; |
|
602 |
} |
|
603 |
||
604 |
/* |
|
605 |
* Request the invoke. If there are no errors in the request, |
|
606 |
* the interrupting thread will actually do the invoke and a |
|
607 |
* reply will be generated subsequently, so we don't reply here. |
|
608 |
*/ |
|
609 |
error = invoker_requestInvoke(invokeType, (jbyte)options, inStream_id(in), |
|
610 |
thread, clazz, method, |
|
611 |
instance, arguments, argumentCount); |
|
612 |
if (error != JVMTI_ERROR_NONE) {
|
|
613 |
outStream_setError(out, map2jdwpError(error)); |
|
614 |
if ( arguments != NULL ) {
|
|
615 |
jvmtiDeallocate(arguments); |
|
616 |
} |
|
617 |
return JNI_TRUE; |
|
618 |
} |
|
619 |
||
620 |
return JNI_FALSE; /* Don't reply */ |
|
621 |
} |
|
622 |
||
623 |
jint |
|
624 |
uniqueID(void) |
|
625 |
{
|
|
626 |
static jint currentID = 0; |
|
627 |
return currentID++; |
|
628 |
} |
|
629 |
||
630 |
int |
|
631 |
filterDebugThreads(jthread *threads, int count) |
|
632 |
{
|
|
633 |
int i; |
|
634 |
int current; |
|
635 |
||
636 |
/* Squish out all of the debugger-spawned threads */ |
|
637 |
for (i = 0, current = 0; i < count; i++) {
|
|
638 |
jthread thread = threads[i]; |
|
639 |
if (!threadControl_isDebugThread(thread)) {
|
|
640 |
if (i > current) {
|
|
641 |
threads[current] = thread; |
|
642 |
} |
|
643 |
current++; |
|
644 |
} |
|
645 |
} |
|
646 |
return current; |
|
647 |
} |
|
648 |
||
649 |
jbyte |
|
650 |
referenceTypeTag(jclass clazz) |
|
651 |
{
|
|
652 |
jbyte tag; |
|
653 |
||
654 |
if (isInterface(clazz)) {
|
|
655 |
tag = JDWP_TYPE_TAG(INTERFACE); |
|
656 |
} else if (isArrayClass(clazz)) {
|
|
657 |
tag = JDWP_TYPE_TAG(ARRAY); |
|
658 |
} else {
|
|
659 |
tag = JDWP_TYPE_TAG(CLASS); |
|
660 |
} |
|
661 |
||
662 |
return tag; |
|
663 |
} |
|
664 |
||
665 |
/** |
|
666 |
* Get field modifiers |
|
667 |
*/ |
|
668 |
jvmtiError |
|
669 |
fieldModifiers(jclass clazz, jfieldID field, jint *pmodifiers) |
|
670 |
{
|
|
671 |
jvmtiError error; |
|
672 |
||
673 |
*pmodifiers = 0; |
|
674 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetFieldModifiers) |
|
675 |
(gdata->jvmti, clazz, field, pmodifiers); |
|
676 |
return error; |
|
677 |
} |
|
678 |
||
679 |
/** |
|
680 |
* Get method modifiers |
|
681 |
*/ |
|
682 |
jvmtiError |
|
683 |
methodModifiers(jmethodID method, jint *pmodifiers) |
|
684 |
{
|
|
685 |
jvmtiError error; |
|
686 |
||
687 |
*pmodifiers = 0; |
|
688 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetMethodModifiers) |
|
689 |
(gdata->jvmti, method, pmodifiers); |
|
690 |
return error; |
|
691 |
} |
|
692 |
||
693 |
/* Returns a local ref to the declaring class for a method, or NULL. */ |
|
694 |
jvmtiError |
|
695 |
methodClass(jmethodID method, jclass *pclazz) |
|
696 |
{
|
|
697 |
jvmtiError error; |
|
698 |
||
699 |
*pclazz = NULL; |
|
700 |
error = FUNC_PTR(gdata->jvmti,GetMethodDeclaringClass) |
|
701 |
(gdata->jvmti, method, pclazz); |
|
702 |
return error; |
|
703 |
} |
|
704 |
||
705 |
/* Returns a local ref to the declaring class for a method, or NULL. */ |
|
706 |
jvmtiError |
|
707 |
methodLocation(jmethodID method, jlocation *ploc1, jlocation *ploc2) |
|
708 |
{
|
|
709 |
jvmtiError error; |
|
710 |
||
711 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetMethodLocation) |
|
712 |
(gdata->jvmti, method, ploc1, ploc2); |
|
713 |
return error; |
|
714 |
} |
|
715 |
||
716 |
/** |
|
717 |
* Get method signature |
|
718 |
*/ |
|
719 |
jvmtiError |
|
720 |
methodSignature(jmethodID method, |
|
721 |
char **pname, char **psignature, char **pgeneric_signature) |
|
722 |
{
|
|
723 |
jvmtiError error; |
|
724 |
char *name = NULL; |
|
725 |
char *signature = NULL; |
|
726 |
char *generic_signature = NULL; |
|
727 |
||
728 |
error = FUNC_PTR(gdata->jvmti,GetMethodName) |
|
729 |
(gdata->jvmti, method, &name, &signature, &generic_signature); |
|
730 |
||
731 |
if ( pname != NULL ) {
|
|
732 |
*pname = name; |
|
733 |
} else if ( name != NULL ) {
|
|
734 |
jvmtiDeallocate(name); |
|
735 |
} |
|
736 |
if ( psignature != NULL ) {
|
|
737 |
*psignature = signature; |
|
738 |
} else if ( signature != NULL ) {
|
|
739 |
jvmtiDeallocate(signature); |
|
740 |
} |
|
741 |
if ( pgeneric_signature != NULL ) {
|
|
742 |
*pgeneric_signature = generic_signature; |
|
743 |
} else if ( generic_signature != NULL ) {
|
|
744 |
jvmtiDeallocate(generic_signature); |
|
745 |
} |
|
746 |
return error; |
|
747 |
} |
|
748 |
||
749 |
/* |
|
750 |
* Get the return type key of the method |
|
751 |
* V or B C D F I J S Z L [ |
|
752 |
*/ |
|
753 |
jvmtiError |
|
754 |
methodReturnType(jmethodID method, char *typeKey) |
|
755 |
{
|
|
756 |
char *signature; |
|
757 |
jvmtiError error; |
|
758 |
||
759 |
signature = NULL; |
|
760 |
error = methodSignature(method, NULL, &signature, NULL); |
|
761 |
if (error == JVMTI_ERROR_NONE) {
|
|
762 |
if (signature == NULL ) {
|
|
763 |
error = AGENT_ERROR_INVALID_TAG; |
|
764 |
} else {
|
|
765 |
char * xx; |
|
766 |
||
767 |
xx = strchr(signature, ')'); |
|
768 |
if (xx == NULL || *(xx + 1) == 0) {
|
|
769 |
error = AGENT_ERROR_INVALID_TAG; |
|
770 |
} else {
|
|
771 |
*typeKey = *(xx + 1); |
|
772 |
} |
|
773 |
jvmtiDeallocate(signature); |
|
774 |
} |
|
775 |
} |
|
776 |
return error; |
|
777 |
} |
|
778 |
||
779 |
||
780 |
/** |
|
781 |
* Return class loader for a class (must be inside a WITH_LOCAL_REFS) |
|
782 |
*/ |
|
783 |
jvmtiError |
|
784 |
classLoader(jclass clazz, jobject *pclazz) |
|
785 |
{
|
|
786 |
jvmtiError error; |
|
787 |
||
788 |
*pclazz = NULL; |
|
789 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetClassLoader) |
|
790 |
(gdata->jvmti, clazz, pclazz); |
|
791 |
return error; |
|
792 |
} |
|
793 |
||
794 |
/** |
|
795 |
* Get field signature |
|
796 |
*/ |
|
797 |
jvmtiError |
|
798 |
fieldSignature(jclass clazz, jfieldID field, |
|
799 |
char **pname, char **psignature, char **pgeneric_signature) |
|
800 |
{
|
|
801 |
jvmtiError error; |
|
802 |
char *name = NULL; |
|
803 |
char *signature = NULL; |
|
804 |
char *generic_signature = NULL; |
|
805 |
||
806 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetFieldName) |
|
807 |
(gdata->jvmti, clazz, field, &name, &signature, &generic_signature); |
|
808 |
||
809 |
if ( pname != NULL ) {
|
|
810 |
*pname = name; |
|
811 |
} else if ( name != NULL ) {
|
|
812 |
jvmtiDeallocate(name); |
|
813 |
} |
|
814 |
if ( psignature != NULL ) {
|
|
815 |
*psignature = signature; |
|
816 |
} else if ( signature != NULL ) {
|
|
817 |
jvmtiDeallocate(signature); |
|
818 |
} |
|
819 |
if ( pgeneric_signature != NULL ) {
|
|
820 |
*pgeneric_signature = generic_signature; |
|
821 |
} else if ( generic_signature != NULL ) {
|
|
822 |
jvmtiDeallocate(generic_signature); |
|
823 |
} |
|
824 |
return error; |
|
825 |
} |
|
826 |
||
827 |
JNIEnv * |
|
828 |
getEnv(void) |
|
829 |
{
|
|
830 |
JNIEnv *env = NULL; |
|
831 |
jint rc; |
|
832 |
||
833 |
rc = FUNC_PTR(gdata->jvm,GetEnv) |
|
834 |
(gdata->jvm, (void **)&env, JNI_VERSION_1_2); |
|
835 |
if (rc != JNI_OK) {
|
|
836 |
ERROR_MESSAGE(("JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = %d",
|
|
837 |
rc)); |
|
838 |
EXIT_ERROR(AGENT_ERROR_NO_JNI_ENV,NULL); |
|
839 |
} |
|
840 |
return env; |
|
841 |
} |
|
842 |
||
843 |
jvmtiError |
|
844 |
spawnNewThread(jvmtiStartFunction func, void *arg, char *name) |
|
845 |
{
|
|
846 |
JNIEnv *env = getEnv(); |
|
847 |
jvmtiError error; |
|
848 |
||
849 |
LOG_MISC(("Spawning new thread: %s", name));
|
|
850 |
||
851 |
WITH_LOCAL_REFS(env, 3) {
|
|
852 |
||
853 |
jthread thread; |
|
854 |
jstring nameString; |
|
855 |
||
856 |
nameString = JNI_FUNC_PTR(env,NewStringUTF)(env, name); |
|
857 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
858 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
859 |
error = AGENT_ERROR_OUT_OF_MEMORY; |
|
860 |
goto err; |
|
861 |
} |
|
862 |
||
863 |
thread = JNI_FUNC_PTR(env,NewObject) |
|
864 |
(env, gdata->threadClass, gdata->threadConstructor, |
|
865 |
gdata->systemThreadGroup, nameString); |
|
866 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
867 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
868 |
error = AGENT_ERROR_OUT_OF_MEMORY; |
|
869 |
goto err; |
|
870 |
} |
|
871 |
||
872 |
/* |
|
873 |
* Make the debugger thread a daemon |
|
874 |
*/ |
|
875 |
JNI_FUNC_PTR(env,CallVoidMethod) |
|
876 |
(env, thread, gdata->threadSetDaemon, JNI_TRUE); |
|
877 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
878 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
879 |
error = AGENT_ERROR_JNI_EXCEPTION; |
|
880 |
goto err; |
|
881 |
} |
|
882 |
||
883 |
error = threadControl_addDebugThread(thread); |
|
884 |
if (error == JVMTI_ERROR_NONE) {
|
|
885 |
/* |
|
886 |
* Debugger threads need cycles in all sorts of strange |
|
887 |
* situations (e.g. infinite cpu-bound loops), so give the |
|
888 |
* thread a high priority. Note that if the VM has an application |
|
889 |
* thread running at the max priority, there is still a chance |
|
890 |
* that debugger threads will be starved. (There needs to be |
|
891 |
* a way to give debugger threads a priority higher than any |
|
892 |
* application thread). |
|
893 |
*/ |
|
894 |
error = JVMTI_FUNC_PTR(gdata->jvmti,RunAgentThread) |
|
895 |
(gdata->jvmti, thread, func, arg, |
|
896 |
JVMTI_THREAD_MAX_PRIORITY); |
|
897 |
} |
|
898 |
||
899 |
err: ; |
|
900 |
||
901 |
} END_WITH_LOCAL_REFS(env); |
|
902 |
||
903 |
return error; |
|
904 |
} |
|
905 |
||
906 |
jvmtiError |
|
907 |
jvmtiGetCapabilities(jvmtiCapabilities *caps) |
|
908 |
{
|
|
909 |
if ( gdata->vmDead ) {
|
|
910 |
return AGENT_ERROR_VM_DEAD; |
|
911 |
} |
|
912 |
if (!gdata->haveCachedJvmtiCapabilities) {
|
|
913 |
jvmtiError error; |
|
914 |
||
915 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetCapabilities) |
|
916 |
(gdata->jvmti, &(gdata->cachedJvmtiCapabilities)); |
|
917 |
if (error != JVMTI_ERROR_NONE) {
|
|
918 |
return error; |
|
919 |
} |
|
920 |
gdata->haveCachedJvmtiCapabilities = JNI_TRUE; |
|
921 |
} |
|
922 |
||
923 |
*caps = gdata->cachedJvmtiCapabilities; |
|
924 |
||
925 |
return JVMTI_ERROR_NONE; |
|
926 |
} |
|
927 |
||
928 |
static jint |
|
929 |
jvmtiVersion(void) |
|
930 |
{
|
|
931 |
if (gdata->cachedJvmtiVersion == 0) {
|
|
932 |
jvmtiError error; |
|
933 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetVersionNumber) |
|
934 |
(gdata->jvmti, &(gdata->cachedJvmtiVersion)); |
|
935 |
if (error != JVMTI_ERROR_NONE) {
|
|
936 |
EXIT_ERROR(error, "on getting the JVMTI version number"); |
|
937 |
} |
|
938 |
} |
|
939 |
return gdata->cachedJvmtiVersion; |
|
940 |
} |
|
941 |
||
942 |
jint |
|
943 |
jvmtiMajorVersion(void) |
|
944 |
{
|
|
945 |
return (jvmtiVersion() & JVMTI_VERSION_MASK_MAJOR) |
|
946 |
>> JVMTI_VERSION_SHIFT_MAJOR; |
|
947 |
} |
|
948 |
||
949 |
jint |
|
950 |
jvmtiMinorVersion(void) |
|
951 |
{
|
|
952 |
return (jvmtiVersion() & JVMTI_VERSION_MASK_MINOR) |
|
953 |
>> JVMTI_VERSION_SHIFT_MINOR; |
|
954 |
} |
|
955 |
||
956 |
jint |
|
957 |
jvmtiMicroVersion(void) |
|
958 |
{
|
|
959 |
return (jvmtiVersion() & JVMTI_VERSION_MASK_MICRO) |
|
960 |
>> JVMTI_VERSION_SHIFT_MICRO; |
|
961 |
} |
|
962 |
||
963 |
jboolean |
|
964 |
canSuspendResumeThreadLists(void) |
|
965 |
{
|
|
966 |
jvmtiError error; |
|
967 |
jvmtiCapabilities cap; |
|
968 |
||
969 |
error = jvmtiGetCapabilities(&cap); |
|
970 |
return (error == JVMTI_ERROR_NONE && cap.can_suspend); |
|
971 |
} |
|
972 |
||
973 |
jvmtiError |
|
974 |
getSourceDebugExtension(jclass clazz, char **extensionPtr) |
|
975 |
{
|
|
976 |
return JVMTI_FUNC_PTR(gdata->jvmti,GetSourceDebugExtension) |
|
977 |
(gdata->jvmti, clazz, extensionPtr); |
|
978 |
} |
|
979 |
||
980 |
/* |
|
981 |
* Convert the signature "Ljava/lang/Foo;" to a |
|
982 |
* classname "java.lang.Foo" compatible with the pattern. |
|
983 |
* Signature is overwritten in-place. |
|
984 |
*/ |
|
985 |
void |
|
986 |
convertSignatureToClassname(char *convert) |
|
987 |
{
|
|
988 |
char *p; |
|
989 |
||
990 |
p = convert + 1; |
|
991 |
while ((*p != ';') && (*p != '\0')) {
|
|
992 |
char c = *p; |
|
993 |
if (c == '/') {
|
|
994 |
*(p-1) = '.'; |
|
995 |
} else {
|
|
996 |
*(p-1) = c; |
|
997 |
} |
|
998 |
p++; |
|
999 |
} |
|
1000 |
*(p-1) = '\0'; |
|
1001 |
} |
|
1002 |
||
1003 |
static void |
|
1004 |
handleInterrupt(void) |
|
1005 |
{
|
|
1006 |
/* |
|
1007 |
* An interrupt is handled: |
|
1008 |
* |
|
1009 |
* 1) for running application threads by deferring the interrupt |
|
1010 |
* until the current event handler has concluded. |
|
1011 |
* |
|
1012 |
* 2) for debugger threads by ignoring the interrupt; this is the |
|
1013 |
* most robust solution since debugger threads don't use interrupts |
|
1014 |
* to signal any condition. |
|
1015 |
* |
|
1016 |
* 3) for application threads that have not started or already |
|
1017 |
* ended by ignoring the interrupt. In the former case, the application |
|
1018 |
* is relying on timing to determine whether or not the thread sees |
|
1019 |
* the interrupt; in the latter case, the interrupt is meaningless. |
|
1020 |
*/ |
|
1021 |
jthread thread = threadControl_currentThread(); |
|
1022 |
if ((thread != NULL) && (!threadControl_isDebugThread(thread))) {
|
|
1023 |
threadControl_setPendingInterrupt(thread); |
|
1024 |
} |
|
1025 |
} |
|
1026 |
||
1027 |
static jvmtiError |
|
1028 |
ignore_vm_death(jvmtiError error) |
|
1029 |
{
|
|
1030 |
if (error == JVMTI_ERROR_WRONG_PHASE) {
|
|
1031 |
LOG_MISC(("VM_DEAD, in debugMonitor*()?"));
|
|
1032 |
return JVMTI_ERROR_NONE; /* JVMTI does this, not JVMDI? */ |
|
1033 |
} |
|
1034 |
return error; |
|
1035 |
} |
|
1036 |
||
1037 |
void |
|
1038 |
debugMonitorEnter(jrawMonitorID monitor) |
|
1039 |
{
|
|
1040 |
jvmtiError error; |
|
1041 |
while (JNI_TRUE) {
|
|
1042 |
error = FUNC_PTR(gdata->jvmti,RawMonitorEnter) |
|
1043 |
(gdata->jvmti, monitor); |
|
1044 |
error = ignore_vm_death(error); |
|
1045 |
if (error == JVMTI_ERROR_INTERRUPT) {
|
|
1046 |
handleInterrupt(); |
|
1047 |
} else {
|
|
1048 |
break; |
|
1049 |
} |
|
1050 |
} |
|
1051 |
if (error != JVMTI_ERROR_NONE) {
|
|
1052 |
EXIT_ERROR(error, "on raw monitor enter"); |
|
1053 |
} |
|
1054 |
} |
|
1055 |
||
1056 |
void |
|
1057 |
debugMonitorExit(jrawMonitorID monitor) |
|
1058 |
{
|
|
1059 |
jvmtiError error; |
|
1060 |
||
1061 |
error = FUNC_PTR(gdata->jvmti,RawMonitorExit) |
|
1062 |
(gdata->jvmti, monitor); |
|
1063 |
error = ignore_vm_death(error); |
|
1064 |
if (error != JVMTI_ERROR_NONE) {
|
|
1065 |
EXIT_ERROR(error, "on raw monitor exit"); |
|
1066 |
} |
|
1067 |
} |
|
1068 |
||
1069 |
void |
|
1070 |
debugMonitorWait(jrawMonitorID monitor) |
|
1071 |
{
|
|
1072 |
jvmtiError error; |
|
1073 |
error = FUNC_PTR(gdata->jvmti,RawMonitorWait) |
|
1074 |
(gdata->jvmti, monitor, ((jlong)(-1))); |
|
1075 |
||
1076 |
/* |
|
1077 |
* According to the JLS (17.8), here we have |
|
1078 |
* either : |
|
1079 |
* a- been notified |
|
1080 |
* b- gotten a suprious wakeup |
|
1081 |
* c- been interrupted |
|
1082 |
* If both a and c have happened, the VM must choose |
|
1083 |
* which way to return - a or c. If it chooses c |
|
1084 |
* then the notify is gone - either to some other |
|
1085 |
* thread that is also waiting, or it is dropped |
|
1086 |
* on the floor. |
|
1087 |
* |
|
1088 |
* a is what we expect. b won't hurt us any - |
|
1089 |
* callers should be programmed to handle |
|
1090 |
* spurious wakeups. In case of c, |
|
1091 |
* then the interrupt has been cleared, but |
|
1092 |
* we don't want to consume it. It came from |
|
1093 |
* user code and is intended for user code, not us. |
|
1094 |
* So, we will remember that the interrupt has |
|
| 21278 | 1095 |
* occurred and re-activate it when this thread |
| 2 | 1096 |
* goes back into user code. |
1097 |
* That being said, what do we do here? Since |
|
1098 |
* we could have been notified too, here we will |
|
1099 |
* just pretend that we have been. It won't hurt |
|
1100 |
* anything to return in the same way as if |
|
1101 |
* we were notified since callers have to be able to |
|
1102 |
* handle spurious wakeups anyway. |
|
1103 |
*/ |
|
1104 |
if (error == JVMTI_ERROR_INTERRUPT) {
|
|
1105 |
handleInterrupt(); |
|
1106 |
error = JVMTI_ERROR_NONE; |
|
1107 |
} |
|
1108 |
error = ignore_vm_death(error); |
|
1109 |
if (error != JVMTI_ERROR_NONE) {
|
|
1110 |
EXIT_ERROR(error, "on raw monitor wait"); |
|
1111 |
} |
|
1112 |
} |
|
1113 |
||
1114 |
void |
|
1115 |
debugMonitorTimedWait(jrawMonitorID monitor, jlong millis) |
|
1116 |
{
|
|
1117 |
jvmtiError error; |
|
1118 |
error = FUNC_PTR(gdata->jvmti,RawMonitorWait) |
|
1119 |
(gdata->jvmti, monitor, millis); |
|
1120 |
if (error == JVMTI_ERROR_INTERRUPT) {
|
|
1121 |
/* See comment above */ |
|
1122 |
handleInterrupt(); |
|
1123 |
error = JVMTI_ERROR_NONE; |
|
1124 |
} |
|
1125 |
error = ignore_vm_death(error); |
|
1126 |
if (error != JVMTI_ERROR_NONE) {
|
|
1127 |
EXIT_ERROR(error, "on raw monitor timed wait"); |
|
1128 |
} |
|
1129 |
} |
|
1130 |
||
1131 |
void |
|
1132 |
debugMonitorNotify(jrawMonitorID monitor) |
|
1133 |
{
|
|
1134 |
jvmtiError error; |
|
1135 |
||
1136 |
error = FUNC_PTR(gdata->jvmti,RawMonitorNotify) |
|
1137 |
(gdata->jvmti, monitor); |
|
1138 |
error = ignore_vm_death(error); |
|
1139 |
if (error != JVMTI_ERROR_NONE) {
|
|
1140 |
EXIT_ERROR(error, "on raw monitor notify"); |
|
1141 |
} |
|
1142 |
} |
|
1143 |
||
1144 |
void |
|
1145 |
debugMonitorNotifyAll(jrawMonitorID monitor) |
|
1146 |
{
|
|
1147 |
jvmtiError error; |
|
1148 |
||
1149 |
error = FUNC_PTR(gdata->jvmti,RawMonitorNotifyAll) |
|
1150 |
(gdata->jvmti, monitor); |
|
1151 |
error = ignore_vm_death(error); |
|
1152 |
if (error != JVMTI_ERROR_NONE) {
|
|
1153 |
EXIT_ERROR(error, "on raw monitor notify all"); |
|
1154 |
} |
|
1155 |
} |
|
1156 |
||
1157 |
jrawMonitorID |
|
1158 |
debugMonitorCreate(char *name) |
|
1159 |
{
|
|
1160 |
jrawMonitorID monitor; |
|
1161 |
jvmtiError error; |
|
1162 |
||
1163 |
error = FUNC_PTR(gdata->jvmti,CreateRawMonitor) |
|
1164 |
(gdata->jvmti, name, &monitor); |
|
1165 |
if (error != JVMTI_ERROR_NONE) {
|
|
1166 |
EXIT_ERROR(error, "on creation of a raw monitor"); |
|
1167 |
} |
|
1168 |
return monitor; |
|
1169 |
} |
|
1170 |
||
1171 |
void |
|
1172 |
debugMonitorDestroy(jrawMonitorID monitor) |
|
1173 |
{
|
|
1174 |
jvmtiError error; |
|
1175 |
||
1176 |
error = FUNC_PTR(gdata->jvmti,DestroyRawMonitor) |
|
1177 |
(gdata->jvmti, monitor); |
|
1178 |
error = ignore_vm_death(error); |
|
1179 |
if (error != JVMTI_ERROR_NONE) {
|
|
1180 |
EXIT_ERROR(error, "on destruction of raw monitor"); |
|
1181 |
} |
|
1182 |
} |
|
1183 |
||
1184 |
/** |
|
1185 |
* Return array of all threads (must be inside a WITH_LOCAL_REFS) |
|
1186 |
*/ |
|
1187 |
jthread * |
|
1188 |
allThreads(jint *count) |
|
1189 |
{
|
|
1190 |
jthread *threads; |
|
1191 |
jvmtiError error; |
|
1192 |
||
1193 |
*count = 0; |
|
1194 |
threads = NULL; |
|
1195 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetAllThreads) |
|
1196 |
(gdata->jvmti, count, &threads); |
|
1197 |
if (error == AGENT_ERROR_OUT_OF_MEMORY) {
|
|
1198 |
return NULL; /* Let caller deal with no memory? */ |
|
1199 |
} |
|
1200 |
if (error != JVMTI_ERROR_NONE) {
|
|
1201 |
EXIT_ERROR(error, "getting all threads"); |
|
1202 |
} |
|
1203 |
return threads; |
|
1204 |
} |
|
1205 |
||
1206 |
/** |
|
1207 |
* Fill the passed in structure with thread group info. |
|
1208 |
* name field is JVMTI allocated. parent is global ref. |
|
1209 |
*/ |
|
1210 |
void |
|
1211 |
threadGroupInfo(jthreadGroup group, jvmtiThreadGroupInfo *info) |
|
1212 |
{
|
|
1213 |
jvmtiError error; |
|
1214 |
||
1215 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadGroupInfo) |
|
1216 |
(gdata->jvmti, group, info); |
|
1217 |
if (error != JVMTI_ERROR_NONE) {
|
|
1218 |
EXIT_ERROR(error, "on getting thread group info"); |
|
1219 |
} |
|
1220 |
} |
|
1221 |
||
1222 |
/** |
|
1223 |
* Return class signature string |
|
1224 |
*/ |
|
1225 |
jvmtiError |
|
1226 |
classSignature(jclass clazz, char **psignature, char **pgeneric_signature) |
|
1227 |
{
|
|
1228 |
jvmtiError error; |
|
1229 |
char *signature = NULL; |
|
1230 |
||
1231 |
/* |
|
1232 |
* pgeneric_signature can be NULL, and GetClassSignature |
|
1233 |
* accepts NULL. |
|
1234 |
*/ |
|
1235 |
error = FUNC_PTR(gdata->jvmti,GetClassSignature) |
|
1236 |
(gdata->jvmti, clazz, &signature, pgeneric_signature); |
|
1237 |
||
1238 |
if ( psignature != NULL ) {
|
|
1239 |
*psignature = signature; |
|
1240 |
} else if ( signature != NULL ) {
|
|
1241 |
jvmtiDeallocate(signature); |
|
1242 |
} |
|
1243 |
return error; |
|
1244 |
} |
|
1245 |
||
1246 |
/* Get class name (not signature) */ |
|
1247 |
char * |
|
1248 |
getClassname(jclass clazz) |
|
1249 |
{
|
|
1250 |
char *classname; |
|
1251 |
||
1252 |
classname = NULL; |
|
1253 |
if ( clazz != NULL ) {
|
|
1254 |
if (classSignature(clazz, &classname, NULL) != JVMTI_ERROR_NONE) {
|
|
1255 |
classname = NULL; |
|
1256 |
} else {
|
|
1257 |
/* Convert in place */ |
|
1258 |
convertSignatureToClassname(classname); |
|
1259 |
} |
|
1260 |
} |
|
1261 |
return classname; /* Caller must free this memory */ |
|
1262 |
} |
|
1263 |
||
1264 |
void |
|
1265 |
writeGenericSignature(PacketOutputStream *out, char *genericSignature) |
|
1266 |
{
|
|
1267 |
if (genericSignature == NULL) {
|
|
1268 |
(void)outStream_writeString(out, ""); |
|
1269 |
} else {
|
|
1270 |
(void)outStream_writeString(out, genericSignature); |
|
1271 |
} |
|
1272 |
} |
|
1273 |
||
1274 |
jint |
|
1275 |
classStatus(jclass clazz) |
|
1276 |
{
|
|
1277 |
jint status; |
|
1278 |
jvmtiError error; |
|
1279 |
||
1280 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetClassStatus) |
|
1281 |
(gdata->jvmti, clazz, &status); |
|
1282 |
if (error != JVMTI_ERROR_NONE) {
|
|
1283 |
EXIT_ERROR(error, "on getting class status"); |
|
1284 |
} |
|
1285 |
return status; |
|
1286 |
} |
|
1287 |
||
1288 |
static jboolean |
|
1289 |
isArrayClass(jclass clazz) |
|
1290 |
{
|
|
1291 |
jboolean isArray = JNI_FALSE; |
|
1292 |
jvmtiError error; |
|
1293 |
||
1294 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsArrayClass) |
|
1295 |
(gdata->jvmti, clazz, &isArray); |
|
1296 |
if (error != JVMTI_ERROR_NONE) {
|
|
1297 |
EXIT_ERROR(error, "on checking for an array class"); |
|
1298 |
} |
|
1299 |
return isArray; |
|
1300 |
} |
|
1301 |
||
1302 |
static jboolean |
|
1303 |
isInterface(jclass clazz) |
|
1304 |
{
|
|
1305 |
jboolean isInterface = JNI_FALSE; |
|
1306 |
jvmtiError error; |
|
1307 |
||
1308 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsInterface) |
|
1309 |
(gdata->jvmti, clazz, &isInterface); |
|
1310 |
if (error != JVMTI_ERROR_NONE) {
|
|
1311 |
EXIT_ERROR(error, "on checking for an interface"); |
|
1312 |
} |
|
1313 |
return isInterface; |
|
1314 |
} |
|
1315 |
||
1316 |
jvmtiError |
|
1317 |
isFieldSynthetic(jclass clazz, jfieldID field, jboolean *psynthetic) |
|
1318 |
{
|
|
1319 |
jvmtiError error; |
|
1320 |
||
1321 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsFieldSynthetic) |
|
1322 |
(gdata->jvmti, clazz, field, psynthetic); |
|
1323 |
if ( error == JVMTI_ERROR_MUST_POSSESS_CAPABILITY ) {
|
|
1324 |
/* If the query is not supported, we assume it is not synthetic. */ |
|
1325 |
*psynthetic = JNI_FALSE; |
|
1326 |
return JVMTI_ERROR_NONE; |
|
1327 |
} |
|
1328 |
return error; |
|
1329 |
} |
|
1330 |
||
1331 |
jvmtiError |
|
1332 |
isMethodSynthetic(jmethodID method, jboolean *psynthetic) |
|
1333 |
{
|
|
1334 |
jvmtiError error; |
|
1335 |
||
1336 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsMethodSynthetic) |
|
1337 |
(gdata->jvmti, method, psynthetic); |
|
1338 |
if ( error == JVMTI_ERROR_MUST_POSSESS_CAPABILITY ) {
|
|
1339 |
/* If the query is not supported, we assume it is not synthetic. */ |
|
1340 |
*psynthetic = JNI_FALSE; |
|
1341 |
return JVMTI_ERROR_NONE; |
|
1342 |
} |
|
1343 |
return error; |
|
1344 |
} |
|
1345 |
||
1346 |
jboolean |
|
1347 |
isMethodNative(jmethodID method) |
|
1348 |
{
|
|
1349 |
jboolean isNative = JNI_FALSE; |
|
1350 |
jvmtiError error; |
|
1351 |
||
1352 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsMethodNative) |
|
1353 |
(gdata->jvmti, method, &isNative); |
|
1354 |
if (error != JVMTI_ERROR_NONE) {
|
|
1355 |
EXIT_ERROR(error, "on checking for a native interface"); |
|
1356 |
} |
|
1357 |
return isNative; |
|
1358 |
} |
|
1359 |
||
1360 |
jboolean |
|
1361 |
isSameObject(JNIEnv *env, jobject o1, jobject o2) |
|
1362 |
{
|
|
1363 |
if ( o1==o2 ) {
|
|
1364 |
return JNI_TRUE; |
|
1365 |
} |
|
1366 |
return FUNC_PTR(env,IsSameObject)(env, o1, o2); |
|
1367 |
} |
|
1368 |
||
1369 |
jint |
|
1370 |
objectHashCode(jobject object) |
|
1371 |
{
|
|
1372 |
jint hashCode = 0; |
|
1373 |
jvmtiError error; |
|
1374 |
||
1375 |
if ( object!=NULL ) {
|
|
1376 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetObjectHashCode) |
|
1377 |
(gdata->jvmti, object, &hashCode); |
|
1378 |
if (error != JVMTI_ERROR_NONE) {
|
|
1379 |
EXIT_ERROR(error, "on getting an object hash code"); |
|
1380 |
} |
|
1381 |
} |
|
1382 |
return hashCode; |
|
1383 |
} |
|
1384 |
||
1385 |
/* Get all implemented interfaces (must be inside a WITH_LOCAL_REFS) */ |
|
1386 |
jvmtiError |
|
1387 |
allInterfaces(jclass clazz, jclass **ppinterfaces, jint *pcount) |
|
1388 |
{
|
|
1389 |
jvmtiError error; |
|
1390 |
||
1391 |
*pcount = 0; |
|
1392 |
*ppinterfaces = NULL; |
|
1393 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetImplementedInterfaces) |
|
1394 |
(gdata->jvmti, clazz, pcount, ppinterfaces); |
|
1395 |
return error; |
|
1396 |
} |
|
1397 |
||
1398 |
/* Get all loaded classes (must be inside a WITH_LOCAL_REFS) */ |
|
1399 |
jvmtiError |
|
1400 |
allLoadedClasses(jclass **ppclasses, jint *pcount) |
|
1401 |
{
|
|
1402 |
jvmtiError error; |
|
1403 |
||
1404 |
*pcount = 0; |
|
1405 |
*ppclasses = NULL; |
|
1406 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetLoadedClasses) |
|
1407 |
(gdata->jvmti, pcount, ppclasses); |
|
1408 |
return error; |
|
1409 |
} |
|
1410 |
||
1411 |
/* Get all loaded classes for a loader (must be inside a WITH_LOCAL_REFS) */ |
|
1412 |
jvmtiError |
|
1413 |
allClassLoaderClasses(jobject loader, jclass **ppclasses, jint *pcount) |
|
1414 |
{
|
|
1415 |
jvmtiError error; |
|
1416 |
||
1417 |
*pcount = 0; |
|
1418 |
*ppclasses = NULL; |
|
1419 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetClassLoaderClasses) |
|
1420 |
(gdata->jvmti, loader, pcount, ppclasses); |
|
1421 |
return error; |
|
1422 |
} |
|
1423 |
||
1424 |
static jboolean |
|
1425 |
is_a_nested_class(char *outer_sig, int outer_sig_len, char *sig, int sep) |
|
1426 |
{
|
|
1427 |
char *inner; |
|
1428 |
||
1429 |
/* Assumed outer class signature is "LOUTERCLASSNAME;" |
|
1430 |
* inner class signature is "LOUTERCLASSNAME$INNERNAME;" |
|
1431 |
* |
|
1432 |
* INNERNAME can take the form: |
|
1433 |
* [0-9][1-9]* anonymous class somewhere in the file |
|
1434 |
* [0-9][1-9]*NAME local class somewhere in the OUTER class |
|
1435 |
* NAME nested class in OUTER |
|
1436 |
* |
|
1437 |
* If NAME itself contains a $ (sep) then classname is further nested |
|
1438 |
* inside another class. |
|
1439 |
* |
|
1440 |
*/ |
|
1441 |
||
1442 |
/* Check prefix first */ |
|
1443 |
if ( strncmp(sig, outer_sig, outer_sig_len-1) != 0 ) {
|
|
1444 |
return JNI_FALSE; |
|
1445 |
} |
|
1446 |
||
1447 |
/* Prefix must be followed by a $ (sep) */ |
|
1448 |
if ( sig[outer_sig_len-1] != sep ) {
|
|
1449 |
return JNI_FALSE; /* No sep follows the match, must not be nested. */ |
|
1450 |
} |
|
1451 |
||
1452 |
/* Walk past any digits, if we reach the end, must be pure anonymous */ |
|
1453 |
inner = sig + outer_sig_len; |
|
1454 |
#if 1 /* We want to return local classes */ |
|
1455 |
while ( *inner && isdigit(*inner) ) {
|
|
1456 |
inner++; |
|
1457 |
} |
|
1458 |
/* But anonymous class names can't be trusted. */ |
|
1459 |
if ( *inner == ';' ) {
|
|
1460 |
return JNI_FALSE; /* A pure anonymous class */ |
|
1461 |
} |
|
1462 |
#else |
|
1463 |
if ( *inner && isdigit(*inner) ) {
|
|
1464 |
return JNI_FALSE; /* A pure anonymous or local class */ |
|
1465 |
} |
|
1466 |
#endif |
|
1467 |
||
1468 |
/* Nested deeper? */ |
|
1469 |
if ( strchr(inner, sep) != NULL ) {
|
|
1470 |
return JNI_FALSE; /* Nested deeper than we want? */ |
|
1471 |
} |
|
1472 |
return JNI_TRUE; |
|
1473 |
} |
|
1474 |
||
1475 |
/* Get all nested classes for a class (must be inside a WITH_LOCAL_REFS) */ |
|
1476 |
jvmtiError |
|
1477 |
allNestedClasses(jclass parent_clazz, jclass **ppnested, jint *pcount) |
|
1478 |
{
|
|
1479 |
jvmtiError error; |
|
1480 |
jobject parent_loader; |
|
1481 |
jclass *classes; |
|
1482 |
char *signature; |
|
1483 |
size_t len; |
|
1484 |
jint count; |
|
1485 |
jint ncount; |
|
1486 |
int i; |
|
1487 |
||
1488 |
*ppnested = NULL; |
|
1489 |
*pcount = 0; |
|
1490 |
||
1491 |
parent_loader = NULL; |
|
1492 |
classes = NULL; |
|
1493 |
signature = NULL; |
|
1494 |
count = 0; |
|
1495 |
ncount = 0; |
|
1496 |
||
1497 |
error = classLoader(parent_clazz, &parent_loader); |
|
1498 |
if (error != JVMTI_ERROR_NONE) {
|
|
1499 |
return error; |
|
1500 |
} |
|
1501 |
error = classSignature(parent_clazz, &signature, NULL); |
|
1502 |
if (error != JVMTI_ERROR_NONE) {
|
|
1503 |
return error; |
|
1504 |
} |
|
1505 |
len = strlen(signature); |
|
1506 |
||
1507 |
error = allClassLoaderClasses(parent_loader, &classes, &count); |
|
1508 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
1509 |
jvmtiDeallocate(signature); |
|
1510 |
return error; |
|
1511 |
} |
|
1512 |
||
1513 |
for (i=0; i<count; i++) {
|
|
1514 |
jclass clazz; |
|
1515 |
char *candidate_signature; |
|
1516 |
||
1517 |
clazz = classes[i]; |
|
1518 |
candidate_signature = NULL; |
|
1519 |
error = classSignature(clazz, &candidate_signature, NULL); |
|
1520 |
if (error != JVMTI_ERROR_NONE) {
|
|
1521 |
break; |
|
1522 |
} |
|
1523 |
||
1524 |
if ( is_a_nested_class(signature, (int)len, candidate_signature, '$') || |
|
1525 |
is_a_nested_class(signature, (int)len, candidate_signature, '#') ) {
|
|
1526 |
/* Float nested classes to top */ |
|
1527 |
classes[i] = classes[ncount]; |
|
1528 |
classes[ncount++] = clazz; |
|
1529 |
} |
|
1530 |
jvmtiDeallocate(candidate_signature); |
|
1531 |
} |
|
1532 |
||
1533 |
jvmtiDeallocate(signature); |
|
1534 |
||
1535 |
if ( count != 0 && ncount == 0 ) {
|
|
1536 |
jvmtiDeallocate(classes); |
|
1537 |
classes = NULL; |
|
1538 |
} |
|
1539 |
||
1540 |
*ppnested = classes; |
|
1541 |
*pcount = ncount; |
|
1542 |
return error; |
|
1543 |
} |
|
1544 |
||
1545 |
void |
|
1546 |
createLocalRefSpace(JNIEnv *env, jint capacity) |
|
1547 |
{
|
|
1548 |
/* |
|
1549 |
* Save current exception since it might get overwritten by |
|
1550 |
* the calls below. Note we must depend on space in the existing |
|
1551 |
* frame because asking for a new frame may generate an exception. |
|
1552 |
*/ |
|
1553 |
jobject throwable = JNI_FUNC_PTR(env,ExceptionOccurred)(env); |
|
1554 |
||
1555 |
/* |
|
1556 |
* Use the current frame if necessary; otherwise create a new one |
|
1557 |
*/ |
|
1558 |
if (JNI_FUNC_PTR(env,PushLocalFrame)(env, capacity) < 0) {
|
|
1559 |
EXIT_ERROR(AGENT_ERROR_OUT_OF_MEMORY,"PushLocalFrame: Unable to push JNI frame"); |
|
1560 |
} |
|
1561 |
||
1562 |
/* |
|
1563 |
* TO DO: This could be more efficient if it used EnsureLocalCapacity, |
|
1564 |
* but that would not work if two functions on the call stack |
|
1565 |
* use this function. We would need to either track reserved |
|
1566 |
* references on a per-thread basis or come up with a convention |
|
1567 |
* that would prevent two functions from depending on this function |
|
1568 |
* at the same time. |
|
1569 |
*/ |
|
1570 |
||
1571 |
/* |
|
1572 |
* Restore exception state from before call |
|
1573 |
*/ |
|
1574 |
if (throwable != NULL) {
|
|
1575 |
JNI_FUNC_PTR(env,Throw)(env, throwable); |
|
1576 |
} else {
|
|
1577 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
1578 |
} |
|
1579 |
} |
|
1580 |
||
1581 |
jboolean |
|
1582 |
isClass(jobject object) |
|
1583 |
{
|
|
1584 |
JNIEnv *env = getEnv(); |
|
1585 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->classClass); |
|
1586 |
} |
|
1587 |
||
1588 |
jboolean |
|
1589 |
isThread(jobject object) |
|
1590 |
{
|
|
1591 |
JNIEnv *env = getEnv(); |
|
1592 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->threadClass); |
|
1593 |
} |
|
1594 |
||
1595 |
jboolean |
|
1596 |
isThreadGroup(jobject object) |
|
1597 |
{
|
|
1598 |
JNIEnv *env = getEnv(); |
|
1599 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->threadGroupClass); |
|
1600 |
} |
|
1601 |
||
1602 |
jboolean |
|
1603 |
isString(jobject object) |
|
1604 |
{
|
|
1605 |
JNIEnv *env = getEnv(); |
|
1606 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->stringClass); |
|
1607 |
} |
|
1608 |
||
1609 |
jboolean |
|
1610 |
isClassLoader(jobject object) |
|
1611 |
{
|
|
1612 |
JNIEnv *env = getEnv(); |
|
1613 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->classLoaderClass); |
|
1614 |
} |
|
1615 |
||
1616 |
jboolean |
|
1617 |
isArray(jobject object) |
|
1618 |
{
|
|
1619 |
JNIEnv *env = getEnv(); |
|
1620 |
jboolean is; |
|
1621 |
||
1622 |
WITH_LOCAL_REFS(env, 1) {
|
|
1623 |
jclass clazz; |
|
1624 |
clazz = JNI_FUNC_PTR(env,GetObjectClass)(env, object); |
|
1625 |
is = isArrayClass(clazz); |
|
1626 |
} END_WITH_LOCAL_REFS(env); |
|
1627 |
||
1628 |
return is; |
|
1629 |
} |
|
1630 |
||
1631 |
/** |
|
1632 |
* Return property value as jstring |
|
1633 |
*/ |
|
1634 |
static jstring |
|
1635 |
getPropertyValue(JNIEnv *env, char *propertyName) |
|
1636 |
{
|
|
1637 |
jstring valueString; |
|
1638 |
jstring nameString; |
|
1639 |
||
1640 |
valueString = NULL; |
|
1641 |
||
1642 |
/* Create new String object to hold the property name */ |
|
1643 |
nameString = JNI_FUNC_PTR(env,NewStringUTF)(env, propertyName); |
|
1644 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
1645 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
1646 |
/* NULL will be returned below */ |
|
1647 |
} else {
|
|
1648 |
/* Call valueString = System.getProperty(nameString) */ |
|
1649 |
valueString = JNI_FUNC_PTR(env,CallStaticObjectMethod) |
|
1650 |
(env, gdata->systemClass, gdata->systemGetProperty, nameString); |
|
1651 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
1652 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
1653 |
valueString = NULL; |
|
1654 |
} |
|
1655 |
} |
|
1656 |
return valueString; |
|
1657 |
} |
|
1658 |
||
1659 |
/** |
|
1660 |
* Set an agent property |
|
1661 |
*/ |
|
1662 |
void |
|
1663 |
setAgentPropertyValue(JNIEnv *env, char *propertyName, char* propertyValue) |
|
1664 |
{
|
|
1665 |
jstring nameString; |
|
1666 |
jstring valueString; |
|
1667 |
||
1668 |
if (gdata->agent_properties == NULL) {
|
|
1669 |
/* VMSupport doesn't exist; so ignore */ |
|
1670 |
return; |
|
1671 |
} |
|
1672 |
||
1673 |
/* Create jstrings for property name and value */ |
|
1674 |
nameString = JNI_FUNC_PTR(env,NewStringUTF)(env, propertyName); |
|
1675 |
if (nameString != NULL) {
|
|
1676 |
valueString = JNI_FUNC_PTR(env,NewStringUTF)(env, propertyValue); |
|
1677 |
if (valueString != NULL) {
|
|
1678 |
/* invoke Properties.setProperty */ |
|
1679 |
JNI_FUNC_PTR(env,CallObjectMethod) |
|
1680 |
(env, gdata->agent_properties, |
|
1681 |
gdata->setProperty, |
|
1682 |
nameString, valueString); |
|
1683 |
} |
|
1684 |
} |
|
1685 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
1686 |
JNI_FUNC_PTR(env,ExceptionClear)(env); |
|
1687 |
} |
|
1688 |
} |
|
1689 |
||
1690 |
/** |
|
1691 |
* Return property value as JDWP allocated string in UTF8 encoding |
|
1692 |
*/ |
|
1693 |
static char * |
|
1694 |
getPropertyUTF8(JNIEnv *env, char *propertyName) |
|
1695 |
{
|
|
1696 |
jvmtiError error; |
|
1697 |
char *value; |
|
1698 |
||
1699 |
value = NULL; |
|
1700 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetSystemProperty) |
|
1701 |
(gdata->jvmti, (const char *)propertyName, &value); |
|
1702 |
if (error != JVMTI_ERROR_NONE) {
|
|
1703 |
jstring valueString; |
|
1704 |
||
1705 |
value = NULL; |
|
1706 |
valueString = getPropertyValue(env, propertyName); |
|
1707 |
||
1708 |
if (valueString != NULL) {
|
|
1709 |
const char *utf; |
|
1710 |
||
1711 |
/* Get the UTF8 encoding for this property value string */ |
|
1712 |
utf = JNI_FUNC_PTR(env,GetStringUTFChars)(env, valueString, NULL); |
|
1713 |
/* Make a copy for returning, release the JNI copy */ |
|
1714 |
value = jvmtiAllocate((int)strlen(utf) + 1); |
|
1715 |
if (value != NULL) {
|
|
1716 |
(void)strcpy(value, utf); |
|
1717 |
} |
|
1718 |
JNI_FUNC_PTR(env,ReleaseStringUTFChars)(env, valueString, utf); |
|
1719 |
} |
|
1720 |
} |
|
1721 |
if ( value == NULL ) {
|
|
1722 |
ERROR_MESSAGE(("JDWP Can't get property value for %s", propertyName));
|
|
1723 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL); |
|
1724 |
} |
|
1725 |
return value; |
|
1726 |
} |
|
1727 |
||
1728 |
jboolean |
|
1729 |
isMethodObsolete(jmethodID method) |
|
1730 |
{
|
|
1731 |
jvmtiError error; |
|
1732 |
jboolean obsolete = JNI_TRUE; |
|
1733 |
||
1734 |
if ( method != NULL ) {
|
|
1735 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsMethodObsolete) |
|
1736 |
(gdata->jvmti, method, &obsolete); |
|
1737 |
if (error != JVMTI_ERROR_NONE) {
|
|
1738 |
obsolete = JNI_TRUE; |
|
1739 |
} |
|
1740 |
} |
|
1741 |
return obsolete; |
|
1742 |
} |
|
1743 |
||
1744 |
/* Get the jvmti environment to be used with tags */ |
|
1745 |
static jvmtiEnv * |
|
1746 |
getSpecialJvmti(void) |
|
1747 |
{
|
|
1748 |
jvmtiEnv *jvmti; |
|
1749 |
jvmtiError error; |
|
1750 |
int rc; |
|
1751 |
||
1752 |
/* Get one time use JVMTI Env */ |
|
1753 |
jvmtiCapabilities caps; |
|
1754 |
||
1755 |
rc = JVM_FUNC_PTR(gdata->jvm,GetEnv) |
|
1756 |
(gdata->jvm, (void **)&jvmti, JVMTI_VERSION_1); |
|
1757 |
if (rc != JNI_OK) {
|
|
1758 |
return NULL; |
|
1759 |
} |
|
1760 |
(void)memset(&caps, 0, (int)sizeof(caps)); |
|
1761 |
caps.can_tag_objects = 1; |
|
1762 |
error = JVMTI_FUNC_PTR(jvmti,AddCapabilities)(jvmti, &caps); |
|
1763 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
1764 |
return NULL; |
|
1765 |
} |
|
1766 |
return jvmti; |
|
1767 |
} |
|
1768 |
||
1769 |
void |
|
1770 |
writeCodeLocation(PacketOutputStream *out, jclass clazz, |
|
1771 |
jmethodID method, jlocation location) |
|
1772 |
{
|
|
1773 |
jbyte tag; |
|
1774 |
||
1775 |
if (clazz != NULL) {
|
|
1776 |
tag = referenceTypeTag(clazz); |
|
1777 |
} else {
|
|
1778 |
tag = JDWP_TYPE_TAG(CLASS); |
|
1779 |
} |
|
1780 |
(void)outStream_writeByte(out, tag); |
|
1781 |
(void)outStream_writeObjectRef(getEnv(), out, clazz); |
|
1782 |
(void)outStream_writeMethodID(out, isMethodObsolete(method)?NULL:method); |
|
1783 |
(void)outStream_writeLocation(out, location); |
|
1784 |
} |
|
1785 |
||
1786 |
void * |
|
1787 |
jvmtiAllocate(jint numBytes) |
|
1788 |
{
|
|
1789 |
void *ptr; |
|
1790 |
jvmtiError error; |
|
1791 |
if ( numBytes == 0 ) {
|
|
1792 |
return NULL; |
|
1793 |
} |
|
1794 |
error = FUNC_PTR(gdata->jvmti,Allocate) |
|
1795 |
(gdata->jvmti, numBytes, (unsigned char**)&ptr); |
|
1796 |
if (error != JVMTI_ERROR_NONE ) {
|
|
1797 |
EXIT_ERROR(error, "Can't allocate jvmti memory"); |
|
1798 |
} |
|
1799 |
return ptr; |
|
1800 |
} |
|
1801 |
||
1802 |
void |
|
1803 |
jvmtiDeallocate(void *ptr) |
|
1804 |
{
|
|
1805 |
jvmtiError error; |
|
1806 |
if ( ptr == NULL ) {
|
|
1807 |
return; |
|
1808 |
} |
|
1809 |
error = FUNC_PTR(gdata->jvmti,Deallocate) |
|
1810 |
(gdata->jvmti, ptr); |
|
1811 |
if (error != JVMTI_ERROR_NONE ) {
|
|
1812 |
EXIT_ERROR(error, "Can't deallocate jvmti memory"); |
|
1813 |
} |
|
1814 |
} |
|
1815 |
||
1816 |
/* Rarely needed, transport library uses JDWP errors, only use? */ |
|
1817 |
jvmtiError |
|
1818 |
map2jvmtiError(jdwpError error) |
|
1819 |
{
|
|
1820 |
switch ( error ) {
|
|
1821 |
case JDWP_ERROR(NONE): |
|
1822 |
return JVMTI_ERROR_NONE; |
|
1823 |
case JDWP_ERROR(INVALID_THREAD): |
|
1824 |
return JVMTI_ERROR_INVALID_THREAD; |
|
1825 |
case JDWP_ERROR(INVALID_THREAD_GROUP): |
|
1826 |
return JVMTI_ERROR_INVALID_THREAD_GROUP; |
|
1827 |
case JDWP_ERROR(INVALID_PRIORITY): |
|
1828 |
return JVMTI_ERROR_INVALID_PRIORITY; |
|
1829 |
case JDWP_ERROR(THREAD_NOT_SUSPENDED): |
|
1830 |
return JVMTI_ERROR_THREAD_NOT_SUSPENDED; |
|
1831 |
case JDWP_ERROR(THREAD_SUSPENDED): |
|
1832 |
return JVMTI_ERROR_THREAD_SUSPENDED; |
|
1833 |
case JDWP_ERROR(INVALID_OBJECT): |
|
1834 |
return JVMTI_ERROR_INVALID_OBJECT; |
|
1835 |
case JDWP_ERROR(INVALID_CLASS): |
|
1836 |
return JVMTI_ERROR_INVALID_CLASS; |
|
1837 |
case JDWP_ERROR(CLASS_NOT_PREPARED): |
|
1838 |
return JVMTI_ERROR_CLASS_NOT_PREPARED; |
|
1839 |
case JDWP_ERROR(INVALID_METHODID): |
|
1840 |
return JVMTI_ERROR_INVALID_METHODID; |
|
1841 |
case JDWP_ERROR(INVALID_LOCATION): |
|
1842 |
return JVMTI_ERROR_INVALID_LOCATION; |
|
1843 |
case JDWP_ERROR(INVALID_FIELDID): |
|
1844 |
return JVMTI_ERROR_INVALID_FIELDID; |
|
1845 |
case JDWP_ERROR(INVALID_FRAMEID): |
|
1846 |
return AGENT_ERROR_INVALID_FRAMEID; |
|
1847 |
case JDWP_ERROR(NO_MORE_FRAMES): |
|
1848 |
return JVMTI_ERROR_NO_MORE_FRAMES; |
|
1849 |
case JDWP_ERROR(OPAQUE_FRAME): |
|
1850 |
return JVMTI_ERROR_OPAQUE_FRAME; |
|
1851 |
case JDWP_ERROR(NOT_CURRENT_FRAME): |
|
1852 |
return AGENT_ERROR_NOT_CURRENT_FRAME; |
|
1853 |
case JDWP_ERROR(TYPE_MISMATCH): |
|
1854 |
return JVMTI_ERROR_TYPE_MISMATCH; |
|
1855 |
case JDWP_ERROR(INVALID_SLOT): |
|
1856 |
return JVMTI_ERROR_INVALID_SLOT; |
|
1857 |
case JDWP_ERROR(DUPLICATE): |
|
1858 |
return JVMTI_ERROR_DUPLICATE; |
|
1859 |
case JDWP_ERROR(NOT_FOUND): |
|
1860 |
return JVMTI_ERROR_NOT_FOUND; |
|
1861 |
case JDWP_ERROR(INVALID_MONITOR): |
|
1862 |
return JVMTI_ERROR_INVALID_MONITOR; |
|
1863 |
case JDWP_ERROR(NOT_MONITOR_OWNER): |
|
1864 |
return JVMTI_ERROR_NOT_MONITOR_OWNER; |
|
1865 |
case JDWP_ERROR(INTERRUPT): |
|
1866 |
return JVMTI_ERROR_INTERRUPT; |
|
1867 |
case JDWP_ERROR(INVALID_CLASS_FORMAT): |
|
1868 |
return JVMTI_ERROR_INVALID_CLASS_FORMAT; |
|
1869 |
case JDWP_ERROR(CIRCULAR_CLASS_DEFINITION): |
|
1870 |
return JVMTI_ERROR_CIRCULAR_CLASS_DEFINITION; |
|
1871 |
case JDWP_ERROR(FAILS_VERIFICATION): |
|
1872 |
return JVMTI_ERROR_FAILS_VERIFICATION; |
|
1873 |
case JDWP_ERROR(ADD_METHOD_NOT_IMPLEMENTED): |
|
1874 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_ADDED; |
|
1875 |
case JDWP_ERROR(SCHEMA_CHANGE_NOT_IMPLEMENTED): |
|
1876 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED; |
|
1877 |
case JDWP_ERROR(INVALID_TYPESTATE): |
|
1878 |
return JVMTI_ERROR_INVALID_TYPESTATE; |
|
1879 |
case JDWP_ERROR(HIERARCHY_CHANGE_NOT_IMPLEMENTED): |
|
1880 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED; |
|
1881 |
case JDWP_ERROR(DELETE_METHOD_NOT_IMPLEMENTED): |
|
1882 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_DELETED; |
|
1883 |
case JDWP_ERROR(UNSUPPORTED_VERSION): |
|
1884 |
return JVMTI_ERROR_UNSUPPORTED_VERSION; |
|
1885 |
case JDWP_ERROR(NAMES_DONT_MATCH): |
|
1886 |
return JVMTI_ERROR_NAMES_DONT_MATCH; |
|
1887 |
case JDWP_ERROR(CLASS_MODIFIERS_CHANGE_NOT_IMPLEMENTED): |
|
1888 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED; |
|
1889 |
case JDWP_ERROR(METHOD_MODIFIERS_CHANGE_NOT_IMPLEMENTED): |
|
1890 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED; |
|
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
1891 |
case JDWP_ERROR(CLASS_ATTRIBUTE_CHANGE_NOT_IMPLEMENTED): |
|
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
1892 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_ATTRIBUTE_CHANGED; |
| 2 | 1893 |
case JDWP_ERROR(NOT_IMPLEMENTED): |
1894 |
return JVMTI_ERROR_NOT_AVAILABLE; |
|
1895 |
case JDWP_ERROR(NULL_POINTER): |
|
1896 |
return JVMTI_ERROR_NULL_POINTER; |
|
1897 |
case JDWP_ERROR(ABSENT_INFORMATION): |
|
1898 |
return JVMTI_ERROR_ABSENT_INFORMATION; |
|
1899 |
case JDWP_ERROR(INVALID_EVENT_TYPE): |
|
1900 |
return JVMTI_ERROR_INVALID_EVENT_TYPE; |
|
1901 |
case JDWP_ERROR(ILLEGAL_ARGUMENT): |
|
1902 |
return JVMTI_ERROR_ILLEGAL_ARGUMENT; |
|
1903 |
case JDWP_ERROR(OUT_OF_MEMORY): |
|
1904 |
return JVMTI_ERROR_OUT_OF_MEMORY; |
|
1905 |
case JDWP_ERROR(ACCESS_DENIED): |
|
1906 |
return JVMTI_ERROR_ACCESS_DENIED; |
|
1907 |
case JDWP_ERROR(VM_DEAD): |
|
1908 |
return JVMTI_ERROR_WRONG_PHASE; |
|
1909 |
case JDWP_ERROR(UNATTACHED_THREAD): |
|
1910 |
return JVMTI_ERROR_UNATTACHED_THREAD; |
|
1911 |
case JDWP_ERROR(INVALID_TAG): |
|
1912 |
return AGENT_ERROR_INVALID_TAG; |
|
1913 |
case JDWP_ERROR(ALREADY_INVOKING): |
|
1914 |
return AGENT_ERROR_ALREADY_INVOKING; |
|
1915 |
case JDWP_ERROR(INVALID_INDEX): |
|
1916 |
return AGENT_ERROR_INVALID_INDEX; |
|
1917 |
case JDWP_ERROR(INVALID_LENGTH): |
|
1918 |
return AGENT_ERROR_INVALID_LENGTH; |
|
1919 |
case JDWP_ERROR(INVALID_STRING): |
|
1920 |
return AGENT_ERROR_INVALID_STRING; |
|
1921 |
case JDWP_ERROR(INVALID_CLASS_LOADER): |
|
1922 |
return AGENT_ERROR_INVALID_CLASS_LOADER; |
|
1923 |
case JDWP_ERROR(INVALID_ARRAY): |
|
1924 |
return AGENT_ERROR_INVALID_ARRAY; |
|
1925 |
case JDWP_ERROR(TRANSPORT_LOAD): |
|
1926 |
return AGENT_ERROR_TRANSPORT_LOAD; |
|
1927 |
case JDWP_ERROR(TRANSPORT_INIT): |
|
1928 |
return AGENT_ERROR_TRANSPORT_INIT; |
|
1929 |
case JDWP_ERROR(NATIVE_METHOD): |
|
1930 |
return AGENT_ERROR_NATIVE_METHOD; |
|
1931 |
case JDWP_ERROR(INVALID_COUNT): |
|
1932 |
return AGENT_ERROR_INVALID_COUNT; |
|
1933 |
case JDWP_ERROR(INTERNAL): |
|
1934 |
return AGENT_ERROR_JDWP_INTERNAL; |
|
1935 |
} |
|
1936 |
return AGENT_ERROR_INTERNAL; |
|
1937 |
} |
|
1938 |
||
1939 |
static jvmtiEvent index2jvmti[EI_max-EI_min+1]; |
|
1940 |
static jdwpEvent index2jdwp [EI_max-EI_min+1]; |
|
1941 |
||
1942 |
void |
|
1943 |
eventIndexInit(void) |
|
1944 |
{
|
|
1945 |
(void)memset(index2jvmti, 0, (int)sizeof(index2jvmti)); |
|
1946 |
(void)memset(index2jdwp, 0, (int)sizeof(index2jdwp)); |
|
1947 |
||
1948 |
index2jvmti[EI_SINGLE_STEP -EI_min] = JVMTI_EVENT_SINGLE_STEP; |
|
1949 |
index2jvmti[EI_BREAKPOINT -EI_min] = JVMTI_EVENT_BREAKPOINT; |
|
1950 |
index2jvmti[EI_FRAME_POP -EI_min] = JVMTI_EVENT_FRAME_POP; |
|
1951 |
index2jvmti[EI_EXCEPTION -EI_min] = JVMTI_EVENT_EXCEPTION; |
|
1952 |
index2jvmti[EI_THREAD_START -EI_min] = JVMTI_EVENT_THREAD_START; |
|
1953 |
index2jvmti[EI_THREAD_END -EI_min] = JVMTI_EVENT_THREAD_END; |
|
1954 |
index2jvmti[EI_CLASS_PREPARE -EI_min] = JVMTI_EVENT_CLASS_PREPARE; |
|
1955 |
index2jvmti[EI_GC_FINISH -EI_min] = JVMTI_EVENT_GARBAGE_COLLECTION_FINISH; |
|
1956 |
index2jvmti[EI_CLASS_LOAD -EI_min] = JVMTI_EVENT_CLASS_LOAD; |
|
1957 |
index2jvmti[EI_FIELD_ACCESS -EI_min] = JVMTI_EVENT_FIELD_ACCESS; |
|
1958 |
index2jvmti[EI_FIELD_MODIFICATION -EI_min] = JVMTI_EVENT_FIELD_MODIFICATION; |
|
1959 |
index2jvmti[EI_EXCEPTION_CATCH -EI_min] = JVMTI_EVENT_EXCEPTION_CATCH; |
|
1960 |
index2jvmti[EI_METHOD_ENTRY -EI_min] = JVMTI_EVENT_METHOD_ENTRY; |
|
1961 |
index2jvmti[EI_METHOD_EXIT -EI_min] = JVMTI_EVENT_METHOD_EXIT; |
|
1962 |
index2jvmti[EI_MONITOR_CONTENDED_ENTER -EI_min] = JVMTI_EVENT_MONITOR_CONTENDED_ENTER; |
|
1963 |
index2jvmti[EI_MONITOR_CONTENDED_ENTERED -EI_min] = JVMTI_EVENT_MONITOR_CONTENDED_ENTERED; |
|
1964 |
index2jvmti[EI_MONITOR_WAIT -EI_min] = JVMTI_EVENT_MONITOR_WAIT; |
|
1965 |
index2jvmti[EI_MONITOR_WAITED -EI_min] = JVMTI_EVENT_MONITOR_WAITED; |
|
1966 |
index2jvmti[EI_VM_INIT -EI_min] = JVMTI_EVENT_VM_INIT; |
|
1967 |
index2jvmti[EI_VM_DEATH -EI_min] = JVMTI_EVENT_VM_DEATH; |
|
1968 |
||
1969 |
index2jdwp[EI_SINGLE_STEP -EI_min] = JDWP_EVENT(SINGLE_STEP); |
|
1970 |
index2jdwp[EI_BREAKPOINT -EI_min] = JDWP_EVENT(BREAKPOINT); |
|
1971 |
index2jdwp[EI_FRAME_POP -EI_min] = JDWP_EVENT(FRAME_POP); |
|
1972 |
index2jdwp[EI_EXCEPTION -EI_min] = JDWP_EVENT(EXCEPTION); |
|
1973 |
index2jdwp[EI_THREAD_START -EI_min] = JDWP_EVENT(THREAD_START); |
|
1974 |
index2jdwp[EI_THREAD_END -EI_min] = JDWP_EVENT(THREAD_END); |
|
1975 |
index2jdwp[EI_CLASS_PREPARE -EI_min] = JDWP_EVENT(CLASS_PREPARE); |
|
1976 |
index2jdwp[EI_GC_FINISH -EI_min] = JDWP_EVENT(CLASS_UNLOAD); |
|
1977 |
index2jdwp[EI_CLASS_LOAD -EI_min] = JDWP_EVENT(CLASS_LOAD); |
|
1978 |
index2jdwp[EI_FIELD_ACCESS -EI_min] = JDWP_EVENT(FIELD_ACCESS); |
|
1979 |
index2jdwp[EI_FIELD_MODIFICATION -EI_min] = JDWP_EVENT(FIELD_MODIFICATION); |
|
1980 |
index2jdwp[EI_EXCEPTION_CATCH -EI_min] = JDWP_EVENT(EXCEPTION_CATCH); |
|
1981 |
index2jdwp[EI_METHOD_ENTRY -EI_min] = JDWP_EVENT(METHOD_ENTRY); |
|
1982 |
index2jdwp[EI_METHOD_EXIT -EI_min] = JDWP_EVENT(METHOD_EXIT); |
|
1983 |
index2jdwp[EI_MONITOR_CONTENDED_ENTER -EI_min] = JDWP_EVENT(MONITOR_CONTENDED_ENTER); |
|
1984 |
index2jdwp[EI_MONITOR_CONTENDED_ENTERED -EI_min] = JDWP_EVENT(MONITOR_CONTENDED_ENTERED); |
|
1985 |
index2jdwp[EI_MONITOR_WAIT -EI_min] = JDWP_EVENT(MONITOR_WAIT); |
|
1986 |
index2jdwp[EI_MONITOR_WAITED -EI_min] = JDWP_EVENT(MONITOR_WAITED); |
|
1987 |
index2jdwp[EI_VM_INIT -EI_min] = JDWP_EVENT(VM_INIT); |
|
1988 |
index2jdwp[EI_VM_DEATH -EI_min] = JDWP_EVENT(VM_DEATH); |
|
1989 |
} |
|
1990 |
||
1991 |
jdwpEvent |
|
1992 |
eventIndex2jdwp(EventIndex i) |
|
1993 |
{
|
|
1994 |
if ( i < EI_min || i > EI_max ) {
|
|
1995 |
EXIT_ERROR(AGENT_ERROR_INVALID_INDEX,"bad EventIndex"); |
|
1996 |
} |
|
1997 |
return index2jdwp[i-EI_min]; |
|
1998 |
} |
|
1999 |
||
2000 |
jvmtiEvent |
|
2001 |
eventIndex2jvmti(EventIndex i) |
|
2002 |
{
|
|
2003 |
if ( i < EI_min || i > EI_max ) {
|
|
2004 |
EXIT_ERROR(AGENT_ERROR_INVALID_INDEX,"bad EventIndex"); |
|
2005 |
} |
|
2006 |
return index2jvmti[i-EI_min]; |
|
2007 |
} |
|
2008 |
||
2009 |
EventIndex |
|
2010 |
jdwp2EventIndex(jdwpEvent eventType) |
|
2011 |
{
|
|
2012 |
switch ( eventType ) {
|
|
2013 |
case JDWP_EVENT(SINGLE_STEP): |
|
2014 |
return EI_SINGLE_STEP; |
|
2015 |
case JDWP_EVENT(BREAKPOINT): |
|
2016 |
return EI_BREAKPOINT; |
|
2017 |
case JDWP_EVENT(FRAME_POP): |
|
2018 |
return EI_FRAME_POP; |
|
2019 |
case JDWP_EVENT(EXCEPTION): |
|
2020 |
return EI_EXCEPTION; |
|
2021 |
case JDWP_EVENT(THREAD_START): |
|
2022 |
return EI_THREAD_START; |
|
2023 |
case JDWP_EVENT(THREAD_END): |
|
2024 |
return EI_THREAD_END; |
|
2025 |
case JDWP_EVENT(CLASS_PREPARE): |
|
2026 |
return EI_CLASS_PREPARE; |
|
2027 |
case JDWP_EVENT(CLASS_UNLOAD): |
|
2028 |
return EI_GC_FINISH; |
|
2029 |
case JDWP_EVENT(CLASS_LOAD): |
|
2030 |
return EI_CLASS_LOAD; |
|
2031 |
case JDWP_EVENT(FIELD_ACCESS): |
|
2032 |
return EI_FIELD_ACCESS; |
|
2033 |
case JDWP_EVENT(FIELD_MODIFICATION): |
|
2034 |
return EI_FIELD_MODIFICATION; |
|
2035 |
case JDWP_EVENT(EXCEPTION_CATCH): |
|
2036 |
return EI_EXCEPTION_CATCH; |
|
2037 |
case JDWP_EVENT(METHOD_ENTRY): |
|
2038 |
return EI_METHOD_ENTRY; |
|
2039 |
case JDWP_EVENT(METHOD_EXIT): |
|
2040 |
return EI_METHOD_EXIT; |
|
2041 |
case JDWP_EVENT(METHOD_EXIT_WITH_RETURN_VALUE): |
|
2042 |
return EI_METHOD_EXIT; |
|
2043 |
case JDWP_EVENT(MONITOR_CONTENDED_ENTER): |
|
2044 |
return EI_MONITOR_CONTENDED_ENTER; |
|
2045 |
case JDWP_EVENT(MONITOR_CONTENDED_ENTERED): |
|
2046 |
return EI_MONITOR_CONTENDED_ENTERED; |
|
2047 |
case JDWP_EVENT(MONITOR_WAIT): |
|
2048 |
return EI_MONITOR_WAIT; |
|
2049 |
case JDWP_EVENT(MONITOR_WAITED): |
|
2050 |
return EI_MONITOR_WAITED; |
|
2051 |
case JDWP_EVENT(VM_INIT): |
|
2052 |
return EI_VM_INIT; |
|
2053 |
case JDWP_EVENT(VM_DEATH): |
|
2054 |
return EI_VM_DEATH; |
|
2055 |
default: |
|
2056 |
break; |
|
2057 |
} |
|
2058 |
||
2059 |
/* |
|
2060 |
* Event type not recognized - don't exit with error as caller |
|
2061 |
* may wish to return error to debugger. |
|
2062 |
*/ |
|
2063 |
return (EventIndex)0; |
|
2064 |
} |
|
2065 |
||
2066 |
EventIndex |
|
2067 |
jvmti2EventIndex(jvmtiEvent kind) |
|
2068 |
{
|
|
2069 |
switch ( kind ) {
|
|
2070 |
case JVMTI_EVENT_SINGLE_STEP: |
|
2071 |
return EI_SINGLE_STEP; |
|
2072 |
case JVMTI_EVENT_BREAKPOINT: |
|
2073 |
return EI_BREAKPOINT; |
|
2074 |
case JVMTI_EVENT_FRAME_POP: |
|
2075 |
return EI_FRAME_POP; |
|
2076 |
case JVMTI_EVENT_EXCEPTION: |
|
2077 |
return EI_EXCEPTION; |
|
2078 |
case JVMTI_EVENT_THREAD_START: |
|
2079 |
return EI_THREAD_START; |
|
2080 |
case JVMTI_EVENT_THREAD_END: |
|
2081 |
return EI_THREAD_END; |
|
2082 |
case JVMTI_EVENT_CLASS_PREPARE: |
|
2083 |
return EI_CLASS_PREPARE; |
|
2084 |
case JVMTI_EVENT_GARBAGE_COLLECTION_FINISH: |
|
2085 |
return EI_GC_FINISH; |
|
2086 |
case JVMTI_EVENT_CLASS_LOAD: |
|
2087 |
return EI_CLASS_LOAD; |
|
2088 |
case JVMTI_EVENT_FIELD_ACCESS: |
|
2089 |
return EI_FIELD_ACCESS; |
|
2090 |
case JVMTI_EVENT_FIELD_MODIFICATION: |
|
2091 |
return EI_FIELD_MODIFICATION; |
|
2092 |
case JVMTI_EVENT_EXCEPTION_CATCH: |
|
2093 |
return EI_EXCEPTION_CATCH; |
|
2094 |
case JVMTI_EVENT_METHOD_ENTRY: |
|
2095 |
return EI_METHOD_ENTRY; |
|
2096 |
case JVMTI_EVENT_METHOD_EXIT: |
|
2097 |
return EI_METHOD_EXIT; |
|
2098 |
/* |
|
2099 |
* There is no JVMTI_EVENT_METHOD_EXIT_WITH_RETURN_VALUE. |
|
2100 |
* The normal JVMTI_EVENT_METHOD_EXIT always contains the return value. |
|
2101 |
*/ |
|
2102 |
case JVMTI_EVENT_MONITOR_CONTENDED_ENTER: |
|
2103 |
return EI_MONITOR_CONTENDED_ENTER; |
|
2104 |
case JVMTI_EVENT_MONITOR_CONTENDED_ENTERED: |
|
2105 |
return EI_MONITOR_CONTENDED_ENTERED; |
|
2106 |
case JVMTI_EVENT_MONITOR_WAIT: |
|
2107 |
return EI_MONITOR_WAIT; |
|
2108 |
case JVMTI_EVENT_MONITOR_WAITED: |
|
2109 |
return EI_MONITOR_WAITED; |
|
2110 |
case JVMTI_EVENT_VM_INIT: |
|
2111 |
return EI_VM_INIT; |
|
2112 |
case JVMTI_EVENT_VM_DEATH: |
|
2113 |
return EI_VM_DEATH; |
|
2114 |
default: |
|
2115 |
EXIT_ERROR(AGENT_ERROR_INVALID_INDEX,"JVMTI to EventIndex mapping"); |
|
2116 |
break; |
|
2117 |
} |
|
2118 |
return (EventIndex)0; |
|
2119 |
} |
|
2120 |
||
2121 |
/* This routine is commonly used, maps jvmti and agent errors to the best |
|
2122 |
* jdwp error code we can map to. |
|
2123 |
*/ |
|
2124 |
jdwpError |
|
2125 |
map2jdwpError(jvmtiError error) |
|
2126 |
{
|
|
| 22934 | 2127 |
switch ( (int)error ) {
|
| 2 | 2128 |
case JVMTI_ERROR_NONE: |
2129 |
return JDWP_ERROR(NONE); |
|
2130 |
case AGENT_ERROR_INVALID_THREAD: |
|
2131 |
case JVMTI_ERROR_INVALID_THREAD: |
|
2132 |
return JDWP_ERROR(INVALID_THREAD); |
|
2133 |
case JVMTI_ERROR_INVALID_THREAD_GROUP: |
|
2134 |
return JDWP_ERROR(INVALID_THREAD_GROUP); |
|
2135 |
case JVMTI_ERROR_INVALID_PRIORITY: |
|
2136 |
return JDWP_ERROR(INVALID_PRIORITY); |
|
2137 |
case JVMTI_ERROR_THREAD_NOT_SUSPENDED: |
|
2138 |
return JDWP_ERROR(THREAD_NOT_SUSPENDED); |
|
2139 |
case JVMTI_ERROR_THREAD_SUSPENDED: |
|
2140 |
return JDWP_ERROR(THREAD_SUSPENDED); |
|
2141 |
case JVMTI_ERROR_THREAD_NOT_ALIVE: |
|
2142 |
return JDWP_ERROR(INVALID_THREAD); |
|
2143 |
case AGENT_ERROR_INVALID_OBJECT: |
|
2144 |
case JVMTI_ERROR_INVALID_OBJECT: |
|
2145 |
return JDWP_ERROR(INVALID_OBJECT); |
|
2146 |
case JVMTI_ERROR_INVALID_CLASS: |
|
2147 |
return JDWP_ERROR(INVALID_CLASS); |
|
2148 |
case JVMTI_ERROR_CLASS_NOT_PREPARED: |
|
2149 |
return JDWP_ERROR(CLASS_NOT_PREPARED); |
|
2150 |
case JVMTI_ERROR_INVALID_METHODID: |
|
2151 |
return JDWP_ERROR(INVALID_METHODID); |
|
2152 |
case JVMTI_ERROR_INVALID_LOCATION: |
|
2153 |
return JDWP_ERROR(INVALID_LOCATION); |
|
2154 |
case JVMTI_ERROR_INVALID_FIELDID: |
|
2155 |
return JDWP_ERROR(INVALID_FIELDID); |
|
2156 |
case AGENT_ERROR_NO_MORE_FRAMES: |
|
2157 |
case JVMTI_ERROR_NO_MORE_FRAMES: |
|
2158 |
return JDWP_ERROR(NO_MORE_FRAMES); |
|
2159 |
case JVMTI_ERROR_OPAQUE_FRAME: |
|
2160 |
return JDWP_ERROR(OPAQUE_FRAME); |
|
2161 |
case JVMTI_ERROR_TYPE_MISMATCH: |
|
2162 |
return JDWP_ERROR(TYPE_MISMATCH); |
|
2163 |
case JVMTI_ERROR_INVALID_SLOT: |
|
2164 |
return JDWP_ERROR(INVALID_SLOT); |
|
2165 |
case JVMTI_ERROR_DUPLICATE: |
|
2166 |
return JDWP_ERROR(DUPLICATE); |
|
2167 |
case JVMTI_ERROR_NOT_FOUND: |
|
2168 |
return JDWP_ERROR(NOT_FOUND); |
|
2169 |
case JVMTI_ERROR_INVALID_MONITOR: |
|
2170 |
return JDWP_ERROR(INVALID_MONITOR); |
|
2171 |
case JVMTI_ERROR_NOT_MONITOR_OWNER: |
|
2172 |
return JDWP_ERROR(NOT_MONITOR_OWNER); |
|
2173 |
case JVMTI_ERROR_INTERRUPT: |
|
2174 |
return JDWP_ERROR(INTERRUPT); |
|
2175 |
case JVMTI_ERROR_INVALID_CLASS_FORMAT: |
|
2176 |
return JDWP_ERROR(INVALID_CLASS_FORMAT); |
|
2177 |
case JVMTI_ERROR_CIRCULAR_CLASS_DEFINITION: |
|
2178 |
return JDWP_ERROR(CIRCULAR_CLASS_DEFINITION); |
|
2179 |
case JVMTI_ERROR_FAILS_VERIFICATION: |
|
2180 |
return JDWP_ERROR(FAILS_VERIFICATION); |
|
2181 |
case JVMTI_ERROR_INVALID_TYPESTATE: |
|
2182 |
return JDWP_ERROR(INVALID_TYPESTATE); |
|
2183 |
case JVMTI_ERROR_UNSUPPORTED_VERSION: |
|
2184 |
return JDWP_ERROR(UNSUPPORTED_VERSION); |
|
2185 |
case JVMTI_ERROR_NAMES_DONT_MATCH: |
|
2186 |
return JDWP_ERROR(NAMES_DONT_MATCH); |
|
2187 |
case AGENT_ERROR_NULL_POINTER: |
|
2188 |
case JVMTI_ERROR_NULL_POINTER: |
|
2189 |
return JDWP_ERROR(NULL_POINTER); |
|
2190 |
case JVMTI_ERROR_ABSENT_INFORMATION: |
|
2191 |
return JDWP_ERROR(ABSENT_INFORMATION); |
|
2192 |
case AGENT_ERROR_INVALID_EVENT_TYPE: |
|
2193 |
case JVMTI_ERROR_INVALID_EVENT_TYPE: |
|
2194 |
return JDWP_ERROR(INVALID_EVENT_TYPE); |
|
2195 |
case AGENT_ERROR_ILLEGAL_ARGUMENT: |
|
2196 |
case JVMTI_ERROR_ILLEGAL_ARGUMENT: |
|
2197 |
return JDWP_ERROR(ILLEGAL_ARGUMENT); |
|
2198 |
case JVMTI_ERROR_OUT_OF_MEMORY: |
|
2199 |
case AGENT_ERROR_OUT_OF_MEMORY: |
|
2200 |
return JDWP_ERROR(OUT_OF_MEMORY); |
|
2201 |
case JVMTI_ERROR_ACCESS_DENIED: |
|
2202 |
return JDWP_ERROR(ACCESS_DENIED); |
|
2203 |
case JVMTI_ERROR_WRONG_PHASE: |
|
2204 |
case AGENT_ERROR_VM_DEAD: |
|
2205 |
case AGENT_ERROR_NO_JNI_ENV: |
|
2206 |
return JDWP_ERROR(VM_DEAD); |
|
2207 |
case AGENT_ERROR_JNI_EXCEPTION: |
|
2208 |
case JVMTI_ERROR_UNATTACHED_THREAD: |
|
2209 |
return JDWP_ERROR(UNATTACHED_THREAD); |
|
2210 |
case JVMTI_ERROR_NOT_AVAILABLE: |
|
2211 |
case JVMTI_ERROR_MUST_POSSESS_CAPABILITY: |
|
2212 |
return JDWP_ERROR(NOT_IMPLEMENTED); |
|
2213 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED: |
|
2214 |
return JDWP_ERROR(HIERARCHY_CHANGE_NOT_IMPLEMENTED); |
|
2215 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_DELETED: |
|
2216 |
return JDWP_ERROR(DELETE_METHOD_NOT_IMPLEMENTED); |
|
2217 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_ADDED: |
|
2218 |
return JDWP_ERROR(ADD_METHOD_NOT_IMPLEMENTED); |
|
2219 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED: |
|
2220 |
return JDWP_ERROR(SCHEMA_CHANGE_NOT_IMPLEMENTED); |
|
2221 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED: |
|
2222 |
return JDWP_ERROR(CLASS_MODIFIERS_CHANGE_NOT_IMPLEMENTED); |
|
2223 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED: |
|
2224 |
return JDWP_ERROR(METHOD_MODIFIERS_CHANGE_NOT_IMPLEMENTED); |
|
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
2225 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_ATTRIBUTE_CHANGED: |
|
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
2226 |
return JDWP_ERROR(CLASS_ATTRIBUTE_CHANGE_NOT_IMPLEMENTED); |
| 2 | 2227 |
case AGENT_ERROR_NOT_CURRENT_FRAME: |
2228 |
return JDWP_ERROR(NOT_CURRENT_FRAME); |
|
2229 |
case AGENT_ERROR_INVALID_TAG: |
|
2230 |
return JDWP_ERROR(INVALID_TAG); |
|
2231 |
case AGENT_ERROR_ALREADY_INVOKING: |
|
2232 |
return JDWP_ERROR(ALREADY_INVOKING); |
|
2233 |
case AGENT_ERROR_INVALID_INDEX: |
|
2234 |
return JDWP_ERROR(INVALID_INDEX); |
|
2235 |
case AGENT_ERROR_INVALID_LENGTH: |
|
2236 |
return JDWP_ERROR(INVALID_LENGTH); |
|
2237 |
case AGENT_ERROR_INVALID_STRING: |
|
2238 |
return JDWP_ERROR(INVALID_STRING); |
|
2239 |
case AGENT_ERROR_INVALID_CLASS_LOADER: |
|
2240 |
return JDWP_ERROR(INVALID_CLASS_LOADER); |
|
2241 |
case AGENT_ERROR_INVALID_ARRAY: |
|
2242 |
return JDWP_ERROR(INVALID_ARRAY); |
|
2243 |
case AGENT_ERROR_TRANSPORT_LOAD: |
|
2244 |
return JDWP_ERROR(TRANSPORT_LOAD); |
|
2245 |
case AGENT_ERROR_TRANSPORT_INIT: |
|
2246 |
return JDWP_ERROR(TRANSPORT_INIT); |
|
2247 |
case AGENT_ERROR_NATIVE_METHOD: |
|
2248 |
return JDWP_ERROR(NATIVE_METHOD); |
|
2249 |
case AGENT_ERROR_INVALID_COUNT: |
|
2250 |
return JDWP_ERROR(INVALID_COUNT); |
|
2251 |
case AGENT_ERROR_INVALID_FRAMEID: |
|
2252 |
return JDWP_ERROR(INVALID_FRAMEID); |
|
2253 |
case JVMTI_ERROR_INTERNAL: |
|
2254 |
case JVMTI_ERROR_INVALID_ENVIRONMENT: |
|
2255 |
case AGENT_ERROR_INTERNAL: |
|
2256 |
case AGENT_ERROR_JVMTI_INTERNAL: |
|
2257 |
case AGENT_ERROR_JDWP_INTERNAL: |
|
2258 |
return JDWP_ERROR(INTERNAL); |
|
2259 |
default: |
|
2260 |
break; |
|
2261 |
} |
|
2262 |
return JDWP_ERROR(INTERNAL); |
|
2263 |
} |
|
2264 |
||
2265 |
jint |
|
2266 |
map2jdwpSuspendStatus(jint state) |
|
2267 |
{
|
|
2268 |
jint status = 0; |
|
2269 |
if ( ( state & JVMTI_THREAD_STATE_SUSPENDED ) != 0 ) {
|
|
2270 |
status = JDWP_SUSPEND_STATUS(SUSPENDED); |
|
2271 |
} |
|
2272 |
return status; |
|
2273 |
} |
|
2274 |
||
2275 |
jdwpThreadStatus |
|
2276 |
map2jdwpThreadStatus(jint state) |
|
2277 |
{
|
|
2278 |
jdwpThreadStatus status; |
|
2279 |
||
2280 |
status = (jdwpThreadStatus)(-1); |
|
2281 |
||
2282 |
if ( ! ( state & JVMTI_THREAD_STATE_ALIVE ) ) {
|
|
2283 |
if ( state & JVMTI_THREAD_STATE_TERMINATED ) {
|
|
2284 |
status = JDWP_THREAD_STATUS(ZOMBIE); |
|
2285 |
} else {
|
|
2286 |
/* FIXUP? New JDWP #define for not started? */ |
|
2287 |
status = (jdwpThreadStatus)(-1); |
|
2288 |
} |
|
2289 |
} else {
|
|
2290 |
if ( state & JVMTI_THREAD_STATE_SLEEPING ) {
|
|
2291 |
status = JDWP_THREAD_STATUS(SLEEPING); |
|
2292 |
} else if ( state & JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER ) {
|
|
2293 |
status = JDWP_THREAD_STATUS(MONITOR); |
|
2294 |
} else if ( state & JVMTI_THREAD_STATE_WAITING ) {
|
|
2295 |
status = JDWP_THREAD_STATUS(WAIT); |
|
2296 |
} else if ( state & JVMTI_THREAD_STATE_RUNNABLE ) {
|
|
2297 |
status = JDWP_THREAD_STATUS(RUNNING); |
|
2298 |
} |
|
2299 |
} |
|
2300 |
return status; |
|
2301 |
} |
|
2302 |
||
2303 |
jint |
|
2304 |
map2jdwpClassStatus(jint classStatus) |
|
2305 |
{
|
|
2306 |
jint status = 0; |
|
2307 |
if ( ( classStatus & JVMTI_CLASS_STATUS_VERIFIED ) != 0 ) {
|
|
2308 |
status |= JDWP_CLASS_STATUS(VERIFIED); |
|
2309 |
} |
|
2310 |
if ( ( classStatus & JVMTI_CLASS_STATUS_PREPARED ) != 0 ) {
|
|
2311 |
status |= JDWP_CLASS_STATUS(PREPARED); |
|
2312 |
} |
|
2313 |
if ( ( classStatus & JVMTI_CLASS_STATUS_INITIALIZED ) != 0 ) {
|
|
2314 |
status |= JDWP_CLASS_STATUS(INITIALIZED); |
|
2315 |
} |
|
2316 |
if ( ( classStatus & JVMTI_CLASS_STATUS_ERROR ) != 0 ) {
|
|
2317 |
status |= JDWP_CLASS_STATUS(ERROR); |
|
2318 |
} |
|
2319 |
return status; |
|
2320 |
} |
|
2321 |
||
2322 |
void |
|
2323 |
log_debugee_location(const char *func, |
|
2324 |
jthread thread, jmethodID method, jlocation location) |
|
2325 |
{
|
|
2326 |
int logging_locations = LOG_TEST(JDWP_LOG_LOC); |
|
2327 |
||
2328 |
if ( logging_locations ) {
|
|
2329 |
char *method_name; |
|
2330 |
char *class_sig; |
|
2331 |
jvmtiError error; |
|
2332 |
jvmtiThreadInfo info; |
|
2333 |
jint state; |
|
2334 |
||
2335 |
/* Get thread information */ |
|
2336 |
info.name = NULL; |
|
2337 |
error = FUNC_PTR(gdata->jvmti,GetThreadInfo) |
|
2338 |
(gdata->jvmti, thread, &info); |
|
2339 |
if ( error != JVMTI_ERROR_NONE) {
|
|
2340 |
info.name = NULL; |
|
2341 |
} |
|
2342 |
error = FUNC_PTR(gdata->jvmti,GetThreadState) |
|
2343 |
(gdata->jvmti, thread, &state); |
|
2344 |
if ( error != JVMTI_ERROR_NONE) {
|
|
2345 |
state = 0; |
|
2346 |
} |
|
2347 |
||
2348 |
/* Get method if necessary */ |
|
2349 |
if ( method==NULL ) {
|
|
2350 |
error = FUNC_PTR(gdata->jvmti,GetFrameLocation) |
|
2351 |
(gdata->jvmti, thread, 0, &method, &location); |
|
2352 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
2353 |
method = NULL; |
|
2354 |
location = 0; |
|
2355 |
} |
|
2356 |
} |
|
2357 |
||
2358 |
/* Get method name */ |
|
2359 |
method_name = NULL; |
|
2360 |
if ( method != NULL ) {
|
|
2361 |
error = methodSignature(method, &method_name, NULL, NULL); |
|
2362 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
2363 |
method_name = NULL; |
|
2364 |
} |
|
2365 |
} |
|
2366 |
||
2367 |
/* Get class signature */ |
|
2368 |
class_sig = NULL; |
|
2369 |
if ( method != NULL ) {
|
|
2370 |
jclass clazz; |
|
2371 |
||
2372 |
error = methodClass(method, &clazz); |
|
2373 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
2374 |
error = classSignature(clazz, &class_sig, NULL); |
|
2375 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
2376 |
class_sig = NULL; |
|
2377 |
} |
|
2378 |
} |
|
2379 |
} |
|
2380 |
||
2381 |
/* Issue log message */ |
|
2382 |
LOG_LOC(("%s: debugee: thread=%p(%s:0x%x),method=%p(%s@%d;%s)",
|
|
2383 |
func, |
|
2384 |
thread, info.name==NULL ? "?" : info.name, state, |
|
2385 |
method, method_name==NULL ? "?" : method_name, |
|
2386 |
(int)location, class_sig==NULL ? "?" : class_sig)); |
|
2387 |
||
2388 |
/* Free memory */ |
|
2389 |
if ( class_sig != NULL ) {
|
|
2390 |
jvmtiDeallocate(class_sig); |
|
2391 |
} |
|
2392 |
if ( method_name != NULL ) {
|
|
2393 |
jvmtiDeallocate(method_name); |
|
2394 |
} |
|
2395 |
if ( info.name != NULL ) {
|
|
2396 |
jvmtiDeallocate(info.name); |
|
2397 |
} |
|
2398 |
} |
|
2399 |
} |
|
2400 |
||
2401 |
/* ********************************************************************* */ |
|
2402 |
/* JDK 6.0: Use of new Heap Iteration functions */ |
|
2403 |
/* ********************************************************************* */ |
|
2404 |
||
2405 |
/* ********************************************************************* */ |
|
2406 |
/* Instances */ |
|
2407 |
||
2408 |
/* Structure to hold class instances heap iteration data (arg user_data) */ |
|
2409 |
typedef struct ClassInstancesData {
|
|
2410 |
jint instCount; |
|
2411 |
jint maxInstances; |
|
2412 |
jlong objTag; |
|
2413 |
jvmtiError error; |
|
2414 |
} ClassInstancesData; |
|
2415 |
||
2416 |
/* Callback for instance object tagging (heap_reference_callback). */ |
|
2417 |
static jint JNICALL |
|
2418 |
cbObjectTagInstance(jvmtiHeapReferenceKind reference_kind, |
|
2419 |
const jvmtiHeapReferenceInfo* reference_info, jlong class_tag, |
|
2420 |
jlong referrer_class_tag, jlong size, |
|
2421 |
jlong* tag_ptr, jlong* referrer_tag_ptr, jint length, void* user_data) |
|
2422 |
{
|
|
2423 |
ClassInstancesData *data; |
|
2424 |
||
2425 |
/* Check data structure */ |
|
2426 |
data = (ClassInstancesData*)user_data; |
|
2427 |
if (data == NULL) {
|
|
2428 |
return JVMTI_VISIT_ABORT; |
|
2429 |
} |
|
2430 |
||
2431 |
/* If we have tagged enough objects, just abort */ |
|
2432 |
if ( data->maxInstances != 0 && data->instCount >= data->maxInstances ) {
|
|
2433 |
return JVMTI_VISIT_ABORT; |
|
2434 |
} |
|
2435 |
||
2436 |
/* If tagged already, just continue */ |
|
2437 |
if ( (*tag_ptr) != (jlong)0 ) {
|
|
2438 |
return JVMTI_VISIT_OBJECTS; |
|
2439 |
} |
|
2440 |
||
2441 |
/* Tag the object so we don't count it again, and so we can retrieve it */ |
|
2442 |
(*tag_ptr) = data->objTag; |
|
2443 |
data->instCount++; |
|
2444 |
return JVMTI_VISIT_OBJECTS; |
|
2445 |
} |
|
2446 |
||
2447 |
/* Get instances for one class */ |
|
2448 |
jvmtiError |
|
2449 |
classInstances(jclass klass, ObjectBatch *instances, int maxInstances) |
|
2450 |
{
|
|
2451 |
ClassInstancesData data; |
|
2452 |
jvmtiHeapCallbacks heap_callbacks; |
|
2453 |
jvmtiError error; |
|
2454 |
jvmtiEnv *jvmti; |
|
2455 |
||
2456 |
/* Check interface assumptions */ |
|
2457 |
||
2458 |
if (klass == NULL) {
|
|
2459 |
return AGENT_ERROR_INVALID_OBJECT; |
|
2460 |
} |
|
2461 |
||
2462 |
if ( maxInstances < 0 || instances == NULL) {
|
|
2463 |
return AGENT_ERROR_ILLEGAL_ARGUMENT; |
|
2464 |
} |
|
2465 |
||
2466 |
/* Initialize return information */ |
|
2467 |
instances->count = 0; |
|
2468 |
instances->objects = NULL; |
|
2469 |
||
2470 |
/* Get jvmti environment to use */ |
|
2471 |
jvmti = getSpecialJvmti(); |
|
2472 |
if ( jvmti == NULL ) {
|
|
2473 |
return AGENT_ERROR_INTERNAL; |
|
2474 |
} |
|
2475 |
||
2476 |
/* Setup data to passed around the callbacks */ |
|
2477 |
data.instCount = 0; |
|
2478 |
data.maxInstances = maxInstances; |
|
2479 |
data.objTag = (jlong)1; |
|
2480 |
data.error = JVMTI_ERROR_NONE; |
|
2481 |
||
2482 |
/* Clear out callbacks structure */ |
|
2483 |
(void)memset(&heap_callbacks,0,sizeof(heap_callbacks)); |
|
2484 |
||
2485 |
/* Set the callbacks we want */ |
|
2486 |
heap_callbacks.heap_reference_callback = &cbObjectTagInstance; |
|
2487 |
||
2488 |
/* Follow references, no initiating object, just this class, all objects */ |
|
2489 |
error = JVMTI_FUNC_PTR(jvmti,FollowReferences) |
|
2490 |
(jvmti, 0, klass, NULL, &heap_callbacks, &data); |
|
2491 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
2492 |
error = data.error; |
|
2493 |
} |
|
2494 |
||
2495 |
/* Get all the instances now that they are tagged */ |
|
2496 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
2497 |
error = JVMTI_FUNC_PTR(jvmti,GetObjectsWithTags) |
|
2498 |
(jvmti, 1, &(data.objTag), &(instances->count), |
|
2499 |
&(instances->objects), NULL); |
|
2500 |
/* Verify we got the count we expected */ |
|
2501 |
if ( data.instCount != instances->count ) {
|
|
2502 |
error = AGENT_ERROR_INTERNAL; |
|
2503 |
} |
|
2504 |
} |
|
2505 |
||
2506 |
/* Dispose of any special jvmti environment */ |
|
2507 |
(void)JVMTI_FUNC_PTR(jvmti,DisposeEnvironment)(jvmti); |
|
2508 |
return error; |
|
2509 |
} |
|
2510 |
||
2511 |
/* ********************************************************************* */ |
|
2512 |
/* Instance counts. */ |
|
2513 |
||
2514 |
/* Macros to convert a class or instance tag to an index and back again */ |
|
2515 |
#define INDEX2CLASSTAG(i) ((jlong)((i)+1)) |
|
2516 |
#define CLASSTAG2INDEX(t) (((int)(t))-1) |
|
2517 |
#define JLONG_ABS(x) (((x)<(jlong)0)?-(x):(x)) |
|
2518 |
||
2519 |
/* Structure to hold class count heap traversal data (arg user_data) */ |
|
2520 |
typedef struct ClassCountData {
|
|
2521 |
int classCount; |
|
2522 |
jlong *counts; |
|
2523 |
jlong negObjTag; |
|
2524 |
jvmtiError error; |
|
2525 |
} ClassCountData; |
|
2526 |
||
2527 |
/* Two different cbObjectCounter's, one for FollowReferences, one for |
|
2528 |
* IterateThroughHeap. Pick a card, any card. |
|
2529 |
*/ |
|
2530 |
||
2531 |
/* Callback for object count heap traversal (heap_reference_callback) */ |
|
2532 |
static jint JNICALL |
|
2533 |
cbObjectCounterFromRef(jvmtiHeapReferenceKind reference_kind, |
|
2534 |
const jvmtiHeapReferenceInfo* reference_info, jlong class_tag, |
|
2535 |
jlong referrer_class_tag, jlong size, |
|
2536 |
jlong* tag_ptr, jlong* referrer_tag_ptr, jint length, void* user_data) |
|
2537 |
{
|
|
2538 |
ClassCountData *data; |
|
2539 |
int index; |
|
2540 |
jlong jindex; |
|
2541 |
jlong tag; |
|
2542 |
||
2543 |
/* Check data structure */ |
|
2544 |
data = (ClassCountData*)user_data; |
|
2545 |
if (data == NULL) {
|
|
2546 |
return JVMTI_VISIT_ABORT; |
|
2547 |
} |
|
2548 |
||
2549 |
/* Classes with no class_tag should have been filtered out. */ |
|
2550 |
if ( class_tag == (jlong)0 ) {
|
|
2551 |
data->error = AGENT_ERROR_INTERNAL; |
|
2552 |
return JVMTI_VISIT_ABORT; |
|
2553 |
} |
|
2554 |
||
2555 |
/* Class tag not one we really want (jclass not in supplied list) */ |
|
2556 |
if ( class_tag == data->negObjTag ) {
|
|
2557 |
return JVMTI_VISIT_OBJECTS; |
|
2558 |
} |
|
2559 |
||
2560 |
/* If object tag is negative, just continue, we counted it */ |
|
2561 |
tag = (*tag_ptr); |
|
2562 |
if ( tag < (jlong)0 ) {
|
|
2563 |
return JVMTI_VISIT_OBJECTS; |
|
2564 |
} |
|
2565 |
||
2566 |
/* Tag the object with a negative value just so we don't count it again */ |
|
2567 |
if ( tag == (jlong)0 ) {
|
|
2568 |
/* This object had no tag value, so we give it the negObjTag value */ |
|
2569 |
(*tag_ptr) = data->negObjTag; |
|
2570 |
} else {
|
|
2571 |
/* If this object had a positive tag value, it must be one of the |
|
2572 |
* jclass objects we tagged. We need to preserve the value of |
|
2573 |
* this tag for later objects that might have this as a class |
|
2574 |
* tag, so we just make the existing tag value negative. |
|
2575 |
*/ |
|
2576 |
(*tag_ptr) = -tag; |
|
2577 |
} |
|
2578 |
||
2579 |
/* Absolute value of class tag is an index into the counts[] array */ |
|
2580 |
jindex = JLONG_ABS(class_tag); |
|
2581 |
index = CLASSTAG2INDEX(jindex); |
|
2582 |
if (index < 0 || index >= data->classCount) {
|
|
2583 |
data->error = AGENT_ERROR_ILLEGAL_ARGUMENT; |
|
2584 |
return JVMTI_VISIT_ABORT; |
|
2585 |
} |
|
2586 |
||
2587 |
/* Bump instance count on this class */ |
|
2588 |
data->counts[index]++; |
|
2589 |
return JVMTI_VISIT_OBJECTS; |
|
2590 |
} |
|
2591 |
||
2592 |
/* Callback for instance count heap traversal (heap_iteration_callback) */ |
|
2593 |
static jint JNICALL |
|
2594 |
cbObjectCounter(jlong class_tag, jlong size, jlong* tag_ptr, jint length, |
|
2595 |
void* user_data) |
|
2596 |
{
|
|
2597 |
ClassCountData *data; |
|
2598 |
int index; |
|
2599 |
||
2600 |
/* Check data structure */ |
|
2601 |
data = (ClassCountData*)user_data; |
|
2602 |
if (data == NULL) {
|
|
2603 |
return JVMTI_VISIT_ABORT; |
|
2604 |
} |
|
2605 |
||
2606 |
/* Classes with no tag should be filtered out. */ |
|
2607 |
if ( class_tag == (jlong)0 ) {
|
|
2608 |
data->error = AGENT_ERROR_INTERNAL; |
|
2609 |
return JVMTI_VISIT_ABORT; |
|
2610 |
} |
|
2611 |
||
2612 |
/* Class tag is actually an index into data arrays */ |
|
2613 |
index = CLASSTAG2INDEX(class_tag); |
|
2614 |
if (index < 0 || index >= data->classCount) {
|
|
2615 |
data->error = AGENT_ERROR_ILLEGAL_ARGUMENT; |
|
2616 |
return JVMTI_VISIT_ABORT; |
|
2617 |
} |
|
2618 |
||
2619 |
/* Bump instance count on this class */ |
|
2620 |
data->counts[index]++; |
|
2621 |
return JVMTI_VISIT_OBJECTS; |
|
2622 |
} |
|
2623 |
||
2624 |
/* Get instance counts for a set of classes */ |
|
2625 |
jvmtiError |
|
2626 |
classInstanceCounts(jint classCount, jclass *classes, jlong *counts) |
|
2627 |
{
|
|
2628 |
jvmtiHeapCallbacks heap_callbacks; |
|
2629 |
ClassCountData data; |
|
2630 |
jvmtiError error; |
|
2631 |
jvmtiEnv *jvmti; |
|
2632 |
int i; |
|
2633 |
||
2634 |
/* Check interface assumptions */ |
|
2635 |
if ( classes == NULL || classCount <= 0 || counts == NULL ) {
|
|
2636 |
return AGENT_ERROR_ILLEGAL_ARGUMENT; |
|
2637 |
} |
|
2638 |
||
2639 |
/* Initialize return information */ |
|
2640 |
for ( i = 0 ; i < classCount ; i++ ) {
|
|
2641 |
counts[i] = (jlong)0; |
|
2642 |
} |
|
2643 |
||
2644 |
/* Get jvmti environment to use */ |
|
2645 |
jvmti = getSpecialJvmti(); |
|
2646 |
if ( jvmti == NULL ) {
|
|
2647 |
return AGENT_ERROR_INTERNAL; |
|
2648 |
} |
|
2649 |
||
2650 |
/* Setup class data structure */ |
|
2651 |
data.error = JVMTI_ERROR_NONE; |
|
2652 |
data.classCount = classCount; |
|
2653 |
data.counts = counts; |
|
2654 |
||
2655 |
error = JVMTI_ERROR_NONE; |
|
2656 |
/* Set tags on classes, use index in classes[] as the tag value. */ |
|
2657 |
error = JVMTI_ERROR_NONE; |
|
2658 |
for ( i = 0 ; i < classCount ; i++ ) {
|
|
2659 |
if (classes[i] != NULL) {
|
|
2660 |
jlong tag; |
|
2661 |
||
2662 |
tag = INDEX2CLASSTAG(i); |
|
2663 |
error = JVMTI_FUNC_PTR(jvmti,SetTag) (jvmti, classes[i], tag); |
|
2664 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
2665 |
break; |
|
2666 |
} |
|
2667 |
} |
|
2668 |
} |
|
2669 |
||
2670 |
/* Traverse heap, two ways to do this for instance counts. */ |
|
2671 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
2672 |
||
2673 |
/* Clear out callbacks structure */ |
|
2674 |
(void)memset(&heap_callbacks,0,sizeof(heap_callbacks)); |
|
2675 |
||
2676 |
/* Check debug flags to see how to do this. */ |
|
2677 |
if ( (gdata->debugflags & USE_ITERATE_THROUGH_HEAP) == 0 ) {
|
|
2678 |
||
2679 |
/* Using FollowReferences only gives us live objects, but we |
|
2680 |
* need to tag the objects to avoid counting them twice since |
|
2681 |
* the callback is per reference. |
|
2682 |
* The jclass objects have been tagged with their index in the |
|
2683 |
* supplied list, and that tag may flip to negative if it |
|
2684 |
* is also an object of interest. |
|
2685 |
* All other objects being counted that weren't in the |
|
2686 |
* supplied classes list will have a negative classCount |
|
2687 |
* tag value. So all objects counted will have negative tags. |
|
2688 |
* If the absolute tag value is an index in the supplied |
|
2689 |
* list, then it's one of the supplied classes. |
|
2690 |
*/ |
|
2691 |
data.negObjTag = -INDEX2CLASSTAG(classCount); |
|
2692 |
||
2693 |
/* Setup callbacks, only using object reference callback */ |
|
2694 |
heap_callbacks.heap_reference_callback = &cbObjectCounterFromRef; |
|
2695 |
||
2696 |
/* Follow references, no initiating object, tagged classes only */ |
|
2697 |
error = JVMTI_FUNC_PTR(jvmti,FollowReferences) |
|
2698 |
(jvmti, JVMTI_HEAP_FILTER_CLASS_UNTAGGED, |
|
2699 |
NULL, NULL, &heap_callbacks, &data); |
|
2700 |
||
2701 |
} else {
|
|
2702 |
||
2703 |
/* Using IterateThroughHeap means that we will visit each object |
|
2704 |
* once, so no special tag tricks here. Just simple counting. |
|
2705 |
* However in this case the object might not be live, so we do |
|
2706 |
* a GC beforehand to make sure we minimize this. |
|
2707 |
*/ |
|
2708 |
||
2709 |
/* FIXUP: Need some kind of trigger here to avoid excessive GC's? */ |
|
2710 |
error = JVMTI_FUNC_PTR(jvmti,ForceGarbageCollection)(jvmti); |
|
2711 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
2712 |
||
2713 |
/* Setup callbacks, just need object callback */ |
|
2714 |
heap_callbacks.heap_iteration_callback = &cbObjectCounter; |
|
2715 |
||
2716 |
/* Iterate through entire heap, tagged classes only */ |
|
2717 |
error = JVMTI_FUNC_PTR(jvmti,IterateThroughHeap) |
|
2718 |
(jvmti, JVMTI_HEAP_FILTER_CLASS_UNTAGGED, |
|
2719 |
NULL, &heap_callbacks, &data); |
|
2720 |
||
2721 |
} |
|
2722 |
} |
|
2723 |
||
2724 |
/* Use data error if needed */ |
|
2725 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
2726 |
error = data.error; |
|
2727 |
} |
|
2728 |
||
2729 |
} |
|
2730 |
||
2731 |
/* Dispose of any special jvmti environment */ |
|
2732 |
(void)JVMTI_FUNC_PTR(jvmti,DisposeEnvironment)(jvmti); |
|
2733 |
return error; |
|
2734 |
} |
|
2735 |
||
2736 |
/* ********************************************************************* */ |
|
2737 |
/* Referrers */ |
|
2738 |
||
2739 |
/* Structure to hold object referrer heap traversal data (arg user_data) */ |
|
2740 |
typedef struct ReferrerData {
|
|
2741 |
int refCount; |
|
2742 |
int maxObjects; |
|
2743 |
jlong refTag; |
|
2744 |
jlong objTag; |
|
2745 |
jboolean selfRef; |
|
2746 |
jvmtiError error; |
|
2747 |
} ReferrerData; |
|
2748 |
||
2749 |
/* Callback for referrers object tagging (heap_reference_callback). */ |
|
2750 |
static jint JNICALL |
|
2751 |
cbObjectTagReferrer(jvmtiHeapReferenceKind reference_kind, |
|
2752 |
const jvmtiHeapReferenceInfo* reference_info, jlong class_tag, |
|
2753 |
jlong referrer_class_tag, jlong size, |
|
2754 |
jlong* tag_ptr, jlong* referrer_tag_ptr, jint length, void* user_data) |
|
2755 |
{
|
|
2756 |
ReferrerData *data; |
|
2757 |
||
2758 |
/* Check data structure */ |
|
2759 |
data = (ReferrerData*)user_data; |
|
2760 |
if (data == NULL) {
|
|
2761 |
return JVMTI_VISIT_ABORT; |
|
2762 |
} |
|
2763 |
||
2764 |
/* If we have tagged enough objects, just abort */ |
|
2765 |
if ( data->maxObjects != 0 && data->refCount >= data->maxObjects ) {
|
|
2766 |
return JVMTI_VISIT_ABORT; |
|
2767 |
} |
|
2768 |
||
2769 |
/* If not of interest, just continue */ |
|
2770 |
if ( (*tag_ptr) != data->objTag ) {
|
|
2771 |
return JVMTI_VISIT_OBJECTS; |
|
2772 |
} |
|
2773 |
||
2774 |
/* Self reference that we haven't counted? */ |
|
2775 |
if ( tag_ptr == referrer_tag_ptr ) {
|
|
2776 |
if ( data->selfRef == JNI_FALSE ) {
|
|
2777 |
data->selfRef = JNI_TRUE; |
|
2778 |
data->refCount++; |
|
2779 |
} |
|
2780 |
return JVMTI_VISIT_OBJECTS; |
|
2781 |
} |
|
2782 |
||
2783 |
/* If the referrer can be tagged, and hasn't been tagged, tag it */ |
|
2784 |
if ( referrer_tag_ptr != NULL ) {
|
|
2785 |
if ( (*referrer_tag_ptr) == (jlong)0 ) {
|
|
2786 |
*referrer_tag_ptr = data->refTag; |
|
2787 |
data->refCount++; |
|
2788 |
} |
|
2789 |
} |
|
2790 |
return JVMTI_VISIT_OBJECTS; |
|
2791 |
} |
|
2792 |
||
2793 |
/* Heap traversal to find referrers of an object */ |
|
2794 |
jvmtiError |
|
2795 |
objectReferrers(jobject obj, ObjectBatch *referrers, int maxObjects) |
|
2796 |
{
|
|
2797 |
jvmtiHeapCallbacks heap_callbacks; |
|
2798 |
ReferrerData data; |
|
2799 |
jvmtiError error; |
|
2800 |
jvmtiEnv *jvmti; |
|
2801 |
||
2802 |
/* Check interface assumptions */ |
|
2803 |
if (obj == NULL) {
|
|
2804 |
return AGENT_ERROR_INVALID_OBJECT; |
|
2805 |
} |
|
2806 |
if (referrers == NULL || maxObjects < 0 ) {
|
|
2807 |
return AGENT_ERROR_ILLEGAL_ARGUMENT; |
|
2808 |
} |
|
2809 |
||
2810 |
/* Initialize return information */ |
|
2811 |
referrers->count = 0; |
|
2812 |
referrers->objects = NULL; |
|
2813 |
||
2814 |
/* Get jvmti environment to use */ |
|
2815 |
jvmti = getSpecialJvmti(); |
|
2816 |
if ( jvmti == NULL ) {
|
|
2817 |
return AGENT_ERROR_INTERNAL; |
|
2818 |
} |
|
2819 |
||
2820 |
/* Fill in the data structure passed around the callbacks */ |
|
2821 |
data.refCount = 0; |
|
2822 |
data.maxObjects = maxObjects; |
|
2823 |
data.objTag = (jlong)1; |
|
2824 |
data.refTag = (jlong)2; |
|
2825 |
data.selfRef = JNI_FALSE; |
|
2826 |
data.error = JVMTI_ERROR_NONE; |
|
2827 |
||
2828 |
/* Tag the object of interest */ |
|
2829 |
error = JVMTI_FUNC_PTR(jvmti,SetTag) (jvmti, obj, data.objTag); |
|
2830 |
||
2831 |
/* No need to go any further if we can't tag the object */ |
|
2832 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
2833 |
||
2834 |
/* Clear out callbacks structure */ |
|
2835 |
(void)memset(&heap_callbacks,0,sizeof(heap_callbacks)); |
|
2836 |
||
2837 |
/* Setup callbacks we want */ |
|
2838 |
heap_callbacks.heap_reference_callback = &cbObjectTagReferrer; |
|
2839 |
||
2840 |
/* Follow references, no initiating object, all classes, 1 tagged objs */ |
|
2841 |
error = JVMTI_FUNC_PTR(jvmti,FollowReferences) |
|
2842 |
(jvmti, JVMTI_HEAP_FILTER_UNTAGGED, |
|
2843 |
NULL, NULL, &heap_callbacks, &data); |
|
2844 |
||
2845 |
/* Use data error if needed */ |
|
2846 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
2847 |
error = data.error; |
|
2848 |
} |
|
2849 |
||
2850 |
} |
|
2851 |
||
2852 |
/* Watch out for self-reference */ |
|
2853 |
if ( error == JVMTI_ERROR_NONE && data.selfRef == JNI_TRUE ) {
|
|
2854 |
/* Tag itself as a referer */ |
|
2855 |
error = JVMTI_FUNC_PTR(jvmti,SetTag) (jvmti, obj, data.refTag); |
|
2856 |
} |
|
2857 |
||
2858 |
/* Get the jobjects for the tagged referrer objects. */ |
|
2859 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
2860 |
error = JVMTI_FUNC_PTR(jvmti,GetObjectsWithTags) |
|
2861 |
(jvmti, 1, &(data.refTag), &(referrers->count), |
|
2862 |
&(referrers->objects), NULL); |
|
2863 |
/* Verify we got the count we expected */ |
|
2864 |
if ( data.refCount != referrers->count ) {
|
|
2865 |
error = AGENT_ERROR_INTERNAL; |
|
2866 |
} |
|
2867 |
} |
|
2868 |
||
2869 |
/* Dispose of any special jvmti environment */ |
|
2870 |
(void)JVMTI_FUNC_PTR(jvmti,DisposeEnvironment)(jvmti); |
|
2871 |
return error; |
|
2872 |
} |