author | coleenp |
Tue, 12 Apr 2011 14:18:53 -0700 | |
changeset 9133 | 1c8d07466fdb |
parent 9116 | 9bc44be338d6 |
parent 9132 | 59f29856d4b2 |
child 9321 | c29711c6ae35 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
8675
e9fef2a9bef7
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
8076
diff
changeset
|
2 |
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
1 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. |
|
8 |
* |
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
13 |
* accompanied this code). |
|
14 |
* |
|
15 |
* You should have received a copy of the GNU General Public License version |
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 |
* |
|
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5420
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5420
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5420
diff
changeset
|
21 |
* questions. |
1 | 22 |
* |
23 |
*/ |
|
24 |
||
7397 | 25 |
#include "precompiled.hpp" |
26 |
#include "classfile/javaClasses.hpp" |
|
27 |
#include "classfile/symbolTable.hpp" |
|
28 |
#include "classfile/vmSymbols.hpp" |
|
29 |
#include "code/debugInfo.hpp" |
|
30 |
#include "code/pcDesc.hpp" |
|
31 |
#include "interpreter/interpreter.hpp" |
|
32 |
#include "memory/oopFactory.hpp" |
|
33 |
#include "memory/resourceArea.hpp" |
|
34 |
#include "memory/universe.inline.hpp" |
|
35 |
#include "oops/instanceKlass.hpp" |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
36 |
#include "oops/instanceMirrorKlass.hpp" |
7397 | 37 |
#include "oops/klass.hpp" |
38 |
#include "oops/klassOop.hpp" |
|
39 |
#include "oops/methodOop.hpp" |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
40 |
#include "oops/symbol.hpp" |
7397 | 41 |
#include "oops/typeArrayOop.hpp" |
42 |
#include "runtime/fieldDescriptor.hpp" |
|
43 |
#include "runtime/handles.inline.hpp" |
|
44 |
#include "runtime/interfaceSupport.hpp" |
|
45 |
#include "runtime/java.hpp" |
|
46 |
#include "runtime/javaCalls.hpp" |
|
47 |
#include "runtime/safepoint.hpp" |
|
48 |
#include "runtime/vframe.hpp" |
|
49 |
#include "utilities/preserveException.hpp" |
|
50 |
#ifdef TARGET_OS_FAMILY_linux |
|
51 |
# include "thread_linux.inline.hpp" |
|
52 |
#endif |
|
53 |
#ifdef TARGET_OS_FAMILY_solaris |
|
54 |
# include "thread_solaris.inline.hpp" |
|
55 |
#endif |
|
56 |
#ifdef TARGET_OS_FAMILY_windows |
|
57 |
# include "thread_windows.inline.hpp" |
|
58 |
#endif |
|
1 | 59 |
|
2534 | 60 |
static bool find_field(instanceKlass* ik, |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
61 |
Symbol* name_symbol, Symbol* signature_symbol, |
2534 | 62 |
fieldDescriptor* fd, |
63 |
bool allow_super = false) { |
|
64 |
if (allow_super) |
|
65 |
return ik->find_field(name_symbol, signature_symbol, fd) != NULL; |
|
66 |
else |
|
67 |
return ik->find_local_field(name_symbol, signature_symbol, fd); |
|
68 |
} |
|
69 |
||
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
70 |
// Helpful routine for computing field offsets at run time rather than hardcoding them |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
71 |
static void |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
72 |
compute_offset(int &dest_offset, |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
73 |
klassOop klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
2534 | 74 |
bool allow_super = false) { |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
75 |
fieldDescriptor fd; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
76 |
instanceKlass* ik = instanceKlass::cast(klass_oop); |
2534 | 77 |
if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
78 |
ResourceMark rm; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
79 |
tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
80 |
fatal("Invalid layout of preloaded class"); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
81 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
82 |
dest_offset = fd.offset(); |
1 | 83 |
} |
84 |
||
85 |
// Same as above but for "optional" offsets that might not be present in certain JDK versions |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
86 |
static void |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
87 |
compute_optional_offset(int& dest_offset, |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
88 |
klassOop klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
2534 | 89 |
bool allow_super = false) { |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
90 |
fieldDescriptor fd; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
91 |
instanceKlass* ik = instanceKlass::cast(klass_oop); |
2534 | 92 |
if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
93 |
dest_offset = fd.offset(); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
94 |
} |
1 | 95 |
} |
96 |
||
2534 | 97 |
|
1 | 98 |
Handle java_lang_String::basic_create(int length, bool tenured, TRAPS) { |
99 |
// Create the String object first, so there's a chance that the String |
|
100 |
// and the char array it points to end up in the same cache line. |
|
101 |
oop obj; |
|
102 |
if (tenured) { |
|
4571 | 103 |
obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_permanent_instance(CHECK_NH); |
1 | 104 |
} else { |
4571 | 105 |
obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH); |
1 | 106 |
} |
107 |
||
108 |
// Create the char array. The String object must be handlized here |
|
109 |
// because GC can happen as a result of the allocation attempt. |
|
110 |
Handle h_obj(THREAD, obj); |
|
111 |
typeArrayOop buffer; |
|
112 |
if (tenured) { |
|
113 |
buffer = oopFactory::new_permanent_charArray(length, CHECK_NH); |
|
114 |
} else { |
|
115 |
buffer = oopFactory::new_charArray(length, CHECK_NH); |
|
116 |
} |
|
117 |
||
118 |
// Point the String at the char array |
|
119 |
obj = h_obj(); |
|
120 |
set_value(obj, buffer); |
|
121 |
// No need to zero the offset, allocation zero'ed the entire String object |
|
122 |
assert(offset(obj) == 0, "initial String offset should be zero"); |
|
123 |
//set_offset(obj, 0); |
|
124 |
set_count(obj, length); |
|
125 |
||
126 |
return h_obj; |
|
127 |
} |
|
128 |
||
129 |
Handle java_lang_String::basic_create_from_unicode(jchar* unicode, int length, bool tenured, TRAPS) { |
|
130 |
Handle h_obj = basic_create(length, tenured, CHECK_NH); |
|
131 |
typeArrayOop buffer = value(h_obj()); |
|
132 |
for (int index = 0; index < length; index++) { |
|
133 |
buffer->char_at_put(index, unicode[index]); |
|
134 |
} |
|
135 |
return h_obj; |
|
136 |
} |
|
137 |
||
138 |
Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) { |
|
139 |
return basic_create_from_unicode(unicode, length, false, CHECK_NH); |
|
140 |
} |
|
141 |
||
142 |
Handle java_lang_String::create_tenured_from_unicode(jchar* unicode, int length, TRAPS) { |
|
8728
3f1bcd33068e
6962931: move interned strings out of the perm gen
jcoomes
parents:
8725
diff
changeset
|
143 |
return basic_create_from_unicode(unicode, length, JavaObjectsInPerm, CHECK_NH); |
1 | 144 |
} |
145 |
||
146 |
oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) { |
|
147 |
Handle h_obj = basic_create_from_unicode(unicode, length, false, CHECK_0); |
|
148 |
return h_obj(); |
|
149 |
} |
|
150 |
||
151 |
Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) { |
|
152 |
if (utf8_str == NULL) { |
|
153 |
return Handle(); |
|
154 |
} |
|
155 |
int length = UTF8::unicode_length(utf8_str); |
|
156 |
Handle h_obj = basic_create(length, false, CHECK_NH); |
|
157 |
if (length > 0) { |
|
158 |
UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length); |
|
159 |
} |
|
160 |
return h_obj; |
|
161 |
} |
|
162 |
||
163 |
oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) { |
|
164 |
Handle h_obj = create_from_str(utf8_str, CHECK_0); |
|
165 |
return h_obj(); |
|
166 |
} |
|
167 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
168 |
Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) { |
1 | 169 |
int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length()); |
170 |
Handle h_obj = basic_create(length, false, CHECK_NH); |
|
171 |
if (length > 0) { |
|
172 |
UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length); |
|
173 |
} |
|
174 |
return h_obj; |
|
175 |
} |
|
176 |
||
177 |
// Converts a C string to a Java String based on current encoding |
|
178 |
Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) { |
|
179 |
assert(str != NULL, "bad arguments"); |
|
180 |
||
181 |
typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *); |
|
182 |
static to_java_string_fn_t _to_java_string_fn = NULL; |
|
183 |
||
184 |
if (_to_java_string_fn == NULL) { |
|
185 |
void *lib_handle = os::native_java_library(); |
|
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
186 |
_to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform")); |
1 | 187 |
if (_to_java_string_fn == NULL) { |
188 |
fatal("NewStringPlatform missing"); |
|
189 |
} |
|
190 |
} |
|
191 |
||
192 |
jstring js = NULL; |
|
193 |
{ JavaThread* thread = (JavaThread*)THREAD; |
|
194 |
assert(thread->is_Java_thread(), "must be java thread"); |
|
195
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
195 |
HandleMark hm(thread); |
1 | 196 |
ThreadToNativeFromVM ttn(thread); |
197 |
js = (_to_java_string_fn)(thread->jni_environment(), str); |
|
198 |
} |
|
199 |
return Handle(THREAD, JNIHandles::resolve(js)); |
|
200 |
} |
|
201 |
||
195
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
202 |
// Converts a Java String to a native C string that can be used for |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
203 |
// native OS calls. |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
204 |
char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) { |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
205 |
|
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
206 |
typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
207 |
static to_platform_string_fn_t _to_platform_string_fn = NULL; |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
208 |
|
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
209 |
if (_to_platform_string_fn == NULL) { |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
210 |
void *lib_handle = os::native_java_library(); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
211 |
_to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars")); |
195
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
212 |
if (_to_platform_string_fn == NULL) { |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
213 |
fatal("GetStringPlatformChars missing"); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
214 |
} |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
215 |
} |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
216 |
|
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
217 |
char *native_platform_string; |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
218 |
{ JavaThread* thread = (JavaThread*)THREAD; |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
219 |
assert(thread->is_Java_thread(), "must be java thread"); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
220 |
JNIEnv *env = thread->jni_environment(); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
221 |
jstring js = (jstring) JNIHandles::make_local(env, java_string()); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
222 |
bool is_copy; |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
223 |
HandleMark hm(thread); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
224 |
ThreadToNativeFromVM ttn(thread); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
225 |
native_platform_string = (_to_platform_string_fn)(env, js, &is_copy); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
226 |
assert(is_copy == JNI_TRUE, "is_copy value changed"); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
227 |
JNIHandles::destroy_local(js); |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
228 |
} |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
229 |
return native_platform_string; |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
230 |
} |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
1
diff
changeset
|
231 |
|
1 | 232 |
Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) { |
233 |
oop obj = java_string(); |
|
234 |
// Typical usage is to convert all '/' to '.' in string. |
|
235 |
typeArrayOop value = java_lang_String::value(obj); |
|
236 |
int offset = java_lang_String::offset(obj); |
|
237 |
int length = java_lang_String::length(obj); |
|
238 |
||
239 |
// First check if any from_char exist |
|
240 |
int index; // Declared outside, used later |
|
241 |
for (index = 0; index < length; index++) { |
|
242 |
if (value->char_at(index + offset) == from_char) { |
|
243 |
break; |
|
244 |
} |
|
245 |
} |
|
246 |
if (index == length) { |
|
247 |
// No from_char, so do not copy. |
|
248 |
return java_string; |
|
249 |
} |
|
250 |
||
251 |
// Create new UNICODE buffer. Must handlize value because GC |
|
252 |
// may happen during String and char array creation. |
|
253 |
typeArrayHandle h_value(THREAD, value); |
|
254 |
Handle string = basic_create(length, false, CHECK_NH); |
|
255 |
||
256 |
typeArrayOop from_buffer = h_value(); |
|
257 |
typeArrayOop to_buffer = java_lang_String::value(string()); |
|
258 |
||
259 |
// Copy contents |
|
260 |
for (index = 0; index < length; index++) { |
|
261 |
jchar c = from_buffer->char_at(index + offset); |
|
262 |
if (c == from_char) { |
|
263 |
c = to_char; |
|
264 |
} |
|
265 |
to_buffer->char_at_put(index, c); |
|
266 |
} |
|
267 |
return string; |
|
268 |
} |
|
269 |
||
270 |
jchar* java_lang_String::as_unicode_string(oop java_string, int& length) { |
|
271 |
typeArrayOop value = java_lang_String::value(java_string); |
|
272 |
int offset = java_lang_String::offset(java_string); |
|
273 |
length = java_lang_String::length(java_string); |
|
274 |
||
275 |
jchar* result = NEW_RESOURCE_ARRAY(jchar, length); |
|
276 |
for (int index = 0; index < length; index++) { |
|
277 |
result[index] = value->char_at(index + offset); |
|
278 |
} |
|
279 |
return result; |
|
280 |
} |
|
281 |
||
8885
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
282 |
unsigned int java_lang_String::hash_string(oop java_string) { |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
283 |
typeArrayOop value = java_lang_String::value(java_string); |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
284 |
int offset = java_lang_String::offset(java_string); |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
285 |
int length = java_lang_String::length(java_string); |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
286 |
|
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
287 |
if (length == 0) return 0; |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
288 |
return hash_string(value->char_at_addr(offset), length); |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
289 |
} |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
290 |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
291 |
Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) { |
1 | 292 |
oop obj = java_string(); |
293 |
typeArrayOop value = java_lang_String::value(obj); |
|
294 |
int offset = java_lang_String::offset(obj); |
|
295 |
int length = java_lang_String::length(obj); |
|
3796
7082ef16e6e2
6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents:
3686
diff
changeset
|
296 |
jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
297 |
Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
298 |
return sym; |
1 | 299 |
} |
300 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
301 |
Symbol* java_lang_String::as_symbol_or_null(oop java_string) { |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
302 |
typeArrayOop value = java_lang_String::value(java_string); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
303 |
int offset = java_lang_String::offset(java_string); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
304 |
int length = java_lang_String::length(java_string); |
3796
7082ef16e6e2
6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents:
3686
diff
changeset
|
305 |
jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
306 |
return SymbolTable::probe_unicode(base, length); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
307 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
308 |
|
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
309 |
|
1 | 310 |
int java_lang_String::utf8_length(oop java_string) { |
311 |
typeArrayOop value = java_lang_String::value(java_string); |
|
312 |
int offset = java_lang_String::offset(java_string); |
|
313 |
int length = java_lang_String::length(java_string); |
|
314 |
jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
|
315 |
return UNICODE::utf8_length(position, length); |
|
316 |
} |
|
317 |
||
318 |
char* java_lang_String::as_utf8_string(oop java_string) { |
|
319 |
typeArrayOop value = java_lang_String::value(java_string); |
|
320 |
int offset = java_lang_String::offset(java_string); |
|
321 |
int length = java_lang_String::length(java_string); |
|
322 |
jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
|
323 |
return UNICODE::as_utf8(position, length); |
|
324 |
} |
|
325 |
||
7414
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
326 |
char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) { |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
327 |
typeArrayOop value = java_lang_String::value(java_string); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
328 |
int offset = java_lang_String::offset(java_string); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
329 |
int length = java_lang_String::length(java_string); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
330 |
jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
331 |
return UNICODE::as_utf8(position, length, buf, buflen); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
332 |
} |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
333 |
|
1 | 334 |
char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
335 |
typeArrayOop value = java_lang_String::value(java_string); |
|
336 |
int offset = java_lang_String::offset(java_string); |
|
337 |
int length = java_lang_String::length(java_string); |
|
338 |
assert(start + len <= length, "just checking"); |
|
339 |
jchar* position = value->char_at_addr(offset + start); |
|
340 |
return UNICODE::as_utf8(position, len); |
|
341 |
} |
|
342 |
||
343 |
bool java_lang_String::equals(oop java_string, jchar* chars, int len) { |
|
344 |
assert(SharedSkipVerify || |
|
4571 | 345 |
java_string->klass() == SystemDictionary::String_klass(), |
1 | 346 |
"must be java_string"); |
347 |
typeArrayOop value = java_lang_String::value(java_string); |
|
348 |
int offset = java_lang_String::offset(java_string); |
|
349 |
int length = java_lang_String::length(java_string); |
|
350 |
if (length != len) { |
|
351 |
return false; |
|
352 |
} |
|
353 |
for (int i = 0; i < len; i++) { |
|
354 |
if (value->char_at(i + offset) != chars[i]) { |
|
355 |
return false; |
|
356 |
} |
|
357 |
} |
|
358 |
return true; |
|
359 |
} |
|
360 |
||
361 |
void java_lang_String::print(Handle java_string, outputStream* st) { |
|
362 |
oop obj = java_string(); |
|
4571 | 363 |
assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string"); |
1 | 364 |
typeArrayOop value = java_lang_String::value(obj); |
365 |
int offset = java_lang_String::offset(obj); |
|
366 |
int length = java_lang_String::length(obj); |
|
367 |
||
368 |
int end = MIN2(length, 100); |
|
369 |
if (value == NULL) { |
|
370 |
// This can happen if, e.g., printing a String |
|
371 |
// object before its initializer has been called |
|
372 |
st->print_cr("NULL"); |
|
373 |
} else { |
|
374 |
st->print("\""); |
|
375 |
for (int index = 0; index < length; index++) { |
|
376 |
st->print("%c", value->char_at(index + offset)); |
|
377 |
} |
|
378 |
st->print("\""); |
|
379 |
} |
|
380 |
} |
|
381 |
||
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
382 |
static void initialize_static_field(fieldDescriptor* fd, TRAPS) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
383 |
Handle mirror (THREAD, fd->field_holder()->java_mirror()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
384 |
assert(mirror.not_null() && fd->is_static(), "just checking"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
385 |
if (fd->has_initial_value()) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
386 |
BasicType t = fd->field_type(); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
387 |
switch (t) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
388 |
case T_BYTE: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
389 |
mirror()->byte_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
390 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
391 |
case T_BOOLEAN: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
392 |
mirror()->bool_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
393 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
394 |
case T_CHAR: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
395 |
mirror()->char_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
396 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
397 |
case T_SHORT: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
398 |
mirror()->short_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
399 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
400 |
case T_INT: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
401 |
mirror()->int_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
402 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
403 |
case T_FLOAT: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
404 |
mirror()->float_field_put(fd->offset(), fd->float_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
405 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
406 |
case T_DOUBLE: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
407 |
mirror()->double_field_put(fd->offset(), fd->double_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
408 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
409 |
case T_LONG: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
410 |
mirror()->long_field_put(fd->offset(), fd->long_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
411 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
412 |
case T_OBJECT: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
413 |
{ |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
414 |
#ifdef ASSERT |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
415 |
TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
416 |
assert(fd->signature() == sym, "just checking"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
417 |
#endif |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
418 |
oop string = fd->string_initial_value(CHECK); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
419 |
mirror()->obj_field_put(fd->offset(), string); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
420 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
421 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
422 |
default: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
423 |
THROW_MSG(vmSymbols::java_lang_ClassFormatError(), |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
424 |
"Illegal ConstantValue attribute in class file"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
425 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
426 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
427 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
428 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
429 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
430 |
// During bootstrap, java.lang.Class wasn't loaded so static field |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
431 |
// offsets were computed without the size added it. Go back and |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
432 |
// update all the static field offsets to included the size. |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
433 |
static void fixup_static_field(fieldDescriptor* fd, TRAPS) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
434 |
if (fd->is_static()) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
435 |
int real_offset = fd->offset() + instanceMirrorKlass::offset_of_static_fields(); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
436 |
typeArrayOop fields = instanceKlass::cast(fd->field_holder())->fields(); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
437 |
fields->short_at_put(fd->index() + instanceKlass::low_offset, extract_low_short_from_int(real_offset)); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
438 |
fields->short_at_put(fd->index() + instanceKlass::high_offset, extract_high_short_from_int(real_offset)); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
439 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
440 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
441 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
442 |
void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
443 |
assert(instanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
444 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
445 |
if (k->oop_is_instance()) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
446 |
// Fixup the offsets |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
447 |
instanceKlass::cast(k())->do_local_static_fields(&fixup_static_field, CHECK); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
448 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
449 |
create_mirror(k, CHECK); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
450 |
} |
1 | 451 |
|
452 |
oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) { |
|
453 |
assert(k->java_mirror() == NULL, "should only assign mirror once"); |
|
454 |
// Use this moment of initialization to cache modifier_flags also, |
|
455 |
// to support Class.getModifiers(). Instance classes recalculate |
|
456 |
// the cached flags after the class file is parsed, but before the |
|
457 |
// class is put into the system dictionary. |
|
458 |
int computed_modifiers = k->compute_modifier_flags(CHECK_0); |
|
459 |
k->set_modifier_flags(computed_modifiers); |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
460 |
if (SystemDictionary::Class_klass_loaded() && (k->oop_is_instance() || k->oop_is_javaArray())) { |
1 | 461 |
// Allocate mirror (java.lang.Class instance) |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
462 |
Handle mirror = instanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); |
1 | 463 |
// Setup indirections |
464 |
mirror->obj_field_put(klass_offset, k()); |
|
465 |
k->set_java_mirror(mirror()); |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
466 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
467 |
instanceMirrorKlass* mk = instanceMirrorKlass::cast(mirror->klass()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
468 |
java_lang_Class::set_oop_size(mirror(), mk->instance_size(k)); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
469 |
java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
470 |
|
1 | 471 |
// It might also have a component mirror. This mirror must already exist. |
472 |
if (k->oop_is_javaArray()) { |
|
473 |
Handle comp_mirror; |
|
474 |
if (k->oop_is_typeArray()) { |
|
475 |
BasicType type = typeArrayKlass::cast(k->as_klassOop())->element_type(); |
|
476 |
comp_mirror = Universe::java_mirror(type); |
|
477 |
assert(comp_mirror.not_null(), "must have primitive mirror"); |
|
478 |
} else if (k->oop_is_objArray()) { |
|
479 |
klassOop element_klass = objArrayKlass::cast(k->as_klassOop())->element_klass(); |
|
480 |
if (element_klass != NULL |
|
481 |
&& (Klass::cast(element_klass)->oop_is_instance() || |
|
482 |
Klass::cast(element_klass)->oop_is_javaArray())) { |
|
483 |
comp_mirror = Klass::cast(element_klass)->java_mirror(); |
|
484 |
assert(comp_mirror.not_null(), "must have element mirror"); |
|
485 |
} |
|
486 |
// else some object array internal to the VM, like systemObjArrayKlassObj |
|
487 |
} |
|
488 |
if (comp_mirror.not_null()) { |
|
489 |
// Two-way link between the array klass and its component mirror: |
|
490 |
arrayKlass::cast(k->as_klassOop())->set_component_mirror(comp_mirror()); |
|
491 |
set_array_klass(comp_mirror(), k->as_klassOop()); |
|
492 |
} |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
493 |
} else if (k->oop_is_instance()) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
494 |
// Initialize static fields |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
495 |
instanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); |
1 | 496 |
} |
497 |
return mirror(); |
|
498 |
} else { |
|
499 |
return NULL; |
|
500 |
} |
|
501 |
} |
|
502 |
||
503 |
||
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
504 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
505 |
int java_lang_Class::oop_size(oop java_class) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
506 |
assert(oop_size_offset != 0, "must be set"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
507 |
return java_class->int_field(oop_size_offset); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
508 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
509 |
void java_lang_Class::set_oop_size(oop java_class, int size) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
510 |
assert(oop_size_offset != 0, "must be set"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
511 |
java_class->int_field_put(oop_size_offset, size); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
512 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
513 |
int java_lang_Class::static_oop_field_count(oop java_class) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
514 |
assert(static_oop_field_count_offset != 0, "must be set"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
515 |
return java_class->int_field(static_oop_field_count_offset); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
516 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
517 |
void java_lang_Class::set_static_oop_field_count(oop java_class, int size) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
518 |
assert(static_oop_field_count_offset != 0, "must be set"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
519 |
java_class->int_field_put(static_oop_field_count_offset, size); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
520 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
521 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
522 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
523 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
524 |
|
1 | 525 |
oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
526 |
// This should be improved by adding a field at the Java level or by |
|
527 |
// introducing a new VM klass (see comment in ClassFileParser) |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
528 |
oop java_class = instanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance((oop)NULL, CHECK_0); |
1 | 529 |
if (type != T_VOID) { |
530 |
klassOop aklass = Universe::typeArrayKlassObj(type); |
|
531 |
assert(aklass != NULL, "correct bootstrap"); |
|
532 |
set_array_klass(java_class, aklass); |
|
533 |
} |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
534 |
instanceMirrorKlass* mk = instanceMirrorKlass::cast(SystemDictionary::Class_klass()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
535 |
java_lang_Class::set_oop_size(java_class, mk->instance_size(oop(NULL))); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
536 |
java_lang_Class::set_static_oop_field_count(java_class, 0); |
1 | 537 |
return java_class; |
538 |
} |
|
539 |
||
540 |
||
541 |
klassOop java_lang_Class::as_klassOop(oop java_class) { |
|
542 |
//%note memory_2 |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
543 |
assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
1 | 544 |
klassOop k = klassOop(java_class->obj_field(klass_offset)); |
545 |
assert(k == NULL || k->is_klass(), "type check"); |
|
546 |
return k; |
|
547 |
} |
|
548 |
||
549 |
||
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
550 |
void java_lang_Class::print_signature(oop java_class, outputStream* st) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
551 |
assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
552 |
Symbol* name = NULL; |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
553 |
bool is_instance = false; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
554 |
if (is_primitive(java_class)) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
555 |
name = vmSymbols::type_signature(primitive_type(java_class)); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
556 |
} else { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
557 |
klassOop k = as_klassOop(java_class); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
558 |
is_instance = Klass::cast(k)->oop_is_instance(); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
559 |
name = Klass::cast(k)->name(); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
560 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
561 |
if (name == NULL) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
562 |
st->print("<null>"); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
563 |
return; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
564 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
565 |
if (is_instance) st->print("L"); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
566 |
st->write((char*) name->base(), (int) name->utf8_length()); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
567 |
if (is_instance) st->print(";"); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
568 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
569 |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
570 |
Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) { |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
571 |
assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
572 |
Symbol* name; |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
573 |
if (is_primitive(java_class)) { |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
574 |
name = vmSymbols::type_signature(primitive_type(java_class)); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
575 |
// Because this can create a new symbol, the caller has to decrement |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
576 |
// the refcount, so make adjustment here and below for symbols returned |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
577 |
// that are not created or incremented due to a successful lookup. |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
578 |
name->increment_refcount(); |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
579 |
} else { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
580 |
klassOop k = as_klassOop(java_class); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
581 |
if (!Klass::cast(k)->oop_is_instance()) { |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
582 |
name = Klass::cast(k)->name(); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
583 |
name->increment_refcount(); |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
584 |
} else { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
585 |
ResourceMark rm; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
586 |
const char* sigstr = Klass::cast(k)->signature_name(); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
587 |
int siglen = (int) strlen(sigstr); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
588 |
if (!intern_if_not_found) { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
589 |
name = SymbolTable::probe(sigstr, siglen); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
590 |
} else { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
591 |
name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
592 |
} |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
593 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
594 |
} |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
595 |
return name; |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
596 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
597 |
|
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
598 |
|
1 | 599 |
klassOop java_lang_Class::array_klass(oop java_class) { |
600 |
klassOop k = klassOop(java_class->obj_field(array_klass_offset)); |
|
601 |
assert(k == NULL || k->is_klass() && Klass::cast(k)->oop_is_javaArray(), "should be array klass"); |
|
602 |
return k; |
|
603 |
} |
|
604 |
||
605 |
||
606 |
void java_lang_Class::set_array_klass(oop java_class, klassOop klass) { |
|
607 |
assert(klass->is_klass() && Klass::cast(klass)->oop_is_javaArray(), "should be array klass"); |
|
608 |
java_class->obj_field_put(array_klass_offset, klass); |
|
609 |
} |
|
610 |
||
611 |
||
612 |
methodOop java_lang_Class::resolved_constructor(oop java_class) { |
|
613 |
oop constructor = java_class->obj_field(resolved_constructor_offset); |
|
614 |
assert(constructor == NULL || constructor->is_method(), "should be method"); |
|
615 |
return methodOop(constructor); |
|
616 |
} |
|
617 |
||
618 |
||
619 |
void java_lang_Class::set_resolved_constructor(oop java_class, methodOop constructor) { |
|
620 |
assert(constructor->is_method(), "should be method"); |
|
621 |
java_class->obj_field_put(resolved_constructor_offset, constructor); |
|
622 |
} |
|
623 |
||
624 |
||
625 |
bool java_lang_Class::is_primitive(oop java_class) { |
|
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
626 |
// should assert: |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
627 |
//assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
1 | 628 |
klassOop k = klassOop(java_class->obj_field(klass_offset)); |
629 |
return k == NULL; |
|
630 |
} |
|
631 |
||
632 |
||
633 |
BasicType java_lang_Class::primitive_type(oop java_class) { |
|
634 |
assert(java_lang_Class::is_primitive(java_class), "just checking"); |
|
635 |
klassOop ak = klassOop(java_class->obj_field(array_klass_offset)); |
|
636 |
BasicType type = T_VOID; |
|
637 |
if (ak != NULL) { |
|
638 |
// Note: create_basic_type_mirror above initializes ak to a non-null value. |
|
639 |
type = arrayKlass::cast(ak)->element_type(); |
|
640 |
} else { |
|
641 |
assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); |
|
642 |
} |
|
643 |
assert(Universe::java_mirror(type) == java_class, "must be consistent"); |
|
644 |
return type; |
|
645 |
} |
|
646 |
||
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
647 |
BasicType java_lang_Class::as_BasicType(oop java_class, klassOop* reference_klass) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
648 |
assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
649 |
if (is_primitive(java_class)) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
650 |
if (reference_klass != NULL) |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
651 |
(*reference_klass) = NULL; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
652 |
return primitive_type(java_class); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
653 |
} else { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
654 |
if (reference_klass != NULL) |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
655 |
(*reference_klass) = as_klassOop(java_class); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
656 |
return T_OBJECT; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
657 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
658 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
659 |
|
1 | 660 |
|
661 |
oop java_lang_Class::primitive_mirror(BasicType t) { |
|
662 |
oop mirror = Universe::java_mirror(t); |
|
4571 | 663 |
assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class"); |
1 | 664 |
assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
665 |
return mirror; |
|
666 |
} |
|
667 |
||
668 |
bool java_lang_Class::offsets_computed = false; |
|
669 |
int java_lang_Class::classRedefinedCount_offset = -1; |
|
1890 | 670 |
int java_lang_Class::parallelCapable_offset = -1; |
1 | 671 |
|
672 |
void java_lang_Class::compute_offsets() { |
|
673 |
assert(!offsets_computed, "offsets should be initialized only once"); |
|
674 |
offsets_computed = true; |
|
675 |
||
4571 | 676 |
klassOop k = SystemDictionary::Class_klass(); |
1 | 677 |
// The classRedefinedCount field is only present starting in 1.5, |
678 |
// so don't go fatal. |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
679 |
compute_optional_offset(classRedefinedCount_offset, |
1 | 680 |
k, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
1890 | 681 |
|
682 |
// The field indicating parallelCapable (parallelLockMap) is only present starting in 7, |
|
4571 | 683 |
klassOop k1 = SystemDictionary::ClassLoader_klass(); |
1890 | 684 |
compute_optional_offset(parallelCapable_offset, |
685 |
k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); |
|
686 |
} |
|
687 |
||
688 |
// For class loader classes, parallelCapable defined |
|
689 |
// based on non-null field |
|
690 |
// Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it |
|
691 |
bool java_lang_Class::parallelCapable(oop class_loader) { |
|
692 |
if (!JDK_Version::is_gte_jdk17x_version() |
|
693 |
|| parallelCapable_offset == -1) { |
|
694 |
// Default for backward compatibility is false |
|
695 |
return false; |
|
696 |
} |
|
697 |
return (class_loader->obj_field(parallelCapable_offset) != NULL); |
|
1 | 698 |
} |
699 |
||
700 |
int java_lang_Class::classRedefinedCount(oop the_class_mirror) { |
|
701 |
if (!JDK_Version::is_gte_jdk15x_version() |
|
702 |
|| classRedefinedCount_offset == -1) { |
|
703 |
// The classRedefinedCount field is only present starting in 1.5. |
|
704 |
// If we don't have an offset for it then just return -1 as a marker. |
|
705 |
return -1; |
|
706 |
} |
|
707 |
||
708 |
return the_class_mirror->int_field(classRedefinedCount_offset); |
|
709 |
} |
|
710 |
||
711 |
void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { |
|
712 |
if (!JDK_Version::is_gte_jdk15x_version() |
|
713 |
|| classRedefinedCount_offset == -1) { |
|
714 |
// The classRedefinedCount field is only present starting in 1.5. |
|
715 |
// If we don't have an offset for it then nothing to set. |
|
716 |
return; |
|
717 |
} |
|
718 |
||
719 |
the_class_mirror->int_field_put(classRedefinedCount_offset, value); |
|
720 |
} |
|
721 |
||
722 |
||
723 |
// Note: JDK1.1 and before had a privateInfo_offset field which was used for the |
|
724 |
// platform thread structure, and a eetop offset which was used for thread |
|
725 |
// local storage (and unused by the HotSpot VM). In JDK1.2 the two structures |
|
726 |
// merged, so in the HotSpot VM we just use the eetop field for the thread |
|
727 |
// instead of the privateInfo_offset. |
|
728 |
// |
|
729 |
// Note: The stackSize field is only present starting in 1.4. |
|
730 |
||
731 |
int java_lang_Thread::_name_offset = 0; |
|
732 |
int java_lang_Thread::_group_offset = 0; |
|
733 |
int java_lang_Thread::_contextClassLoader_offset = 0; |
|
734 |
int java_lang_Thread::_inheritedAccessControlContext_offset = 0; |
|
735 |
int java_lang_Thread::_priority_offset = 0; |
|
736 |
int java_lang_Thread::_eetop_offset = 0; |
|
737 |
int java_lang_Thread::_daemon_offset = 0; |
|
738 |
int java_lang_Thread::_stillborn_offset = 0; |
|
739 |
int java_lang_Thread::_stackSize_offset = 0; |
|
740 |
int java_lang_Thread::_tid_offset = 0; |
|
741 |
int java_lang_Thread::_thread_status_offset = 0; |
|
742 |
int java_lang_Thread::_park_blocker_offset = 0; |
|
743 |
int java_lang_Thread::_park_event_offset = 0 ; |
|
744 |
||
745 |
||
746 |
void java_lang_Thread::compute_offsets() { |
|
747 |
assert(_group_offset == 0, "offsets should be initialized only once"); |
|
748 |
||
4571 | 749 |
klassOop k = SystemDictionary::Thread_klass(); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
750 |
compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
751 |
compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
752 |
compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
753 |
compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
754 |
compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
755 |
compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
756 |
compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
757 |
compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
1 | 758 |
// The stackSize field is only present starting in 1.4, so don't go fatal. |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
759 |
compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
1 | 760 |
// The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
761 |
compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
762 |
compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
1 | 763 |
// The parkBlocker field is only present starting in 1.6, so don't go fatal. |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
764 |
compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
765 |
compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
1 | 766 |
vmSymbols::long_signature()); |
767 |
} |
|
768 |
||
769 |
||
770 |
JavaThread* java_lang_Thread::thread(oop java_thread) { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
771 |
return (JavaThread*)java_thread->address_field(_eetop_offset); |
1 | 772 |
} |
773 |
||
774 |
||
775 |
void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
776 |
java_thread->address_field_put(_eetop_offset, (address)thread); |
1 | 777 |
} |
778 |
||
779 |
||
780 |
typeArrayOop java_lang_Thread::name(oop java_thread) { |
|
781 |
oop name = java_thread->obj_field(_name_offset); |
|
782 |
assert(name == NULL || (name->is_typeArray() && typeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); |
|
783 |
return typeArrayOop(name); |
|
784 |
} |
|
785 |
||
786 |
||
787 |
void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { |
|
788 |
assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); |
|
789 |
java_thread->obj_field_put(_name_offset, name); |
|
790 |
} |
|
791 |
||
792 |
||
793 |
ThreadPriority java_lang_Thread::priority(oop java_thread) { |
|
794 |
return (ThreadPriority)java_thread->int_field(_priority_offset); |
|
795 |
} |
|
796 |
||
797 |
||
798 |
void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { |
|
799 |
java_thread->int_field_put(_priority_offset, priority); |
|
800 |
} |
|
801 |
||
802 |
||
803 |
oop java_lang_Thread::threadGroup(oop java_thread) { |
|
804 |
return java_thread->obj_field(_group_offset); |
|
805 |
} |
|
806 |
||
807 |
||
808 |
bool java_lang_Thread::is_stillborn(oop java_thread) { |
|
809 |
return java_thread->bool_field(_stillborn_offset) != 0; |
|
810 |
} |
|
811 |
||
812 |
||
813 |
// We never have reason to turn the stillborn bit off |
|
814 |
void java_lang_Thread::set_stillborn(oop java_thread) { |
|
815 |
java_thread->bool_field_put(_stillborn_offset, true); |
|
816 |
} |
|
817 |
||
818 |
||
819 |
bool java_lang_Thread::is_alive(oop java_thread) { |
|
820 |
JavaThread* thr = java_lang_Thread::thread(java_thread); |
|
821 |
return (thr != NULL); |
|
822 |
} |
|
823 |
||
824 |
||
825 |
bool java_lang_Thread::is_daemon(oop java_thread) { |
|
826 |
return java_thread->bool_field(_daemon_offset) != 0; |
|
827 |
} |
|
828 |
||
829 |
||
830 |
void java_lang_Thread::set_daemon(oop java_thread) { |
|
831 |
java_thread->bool_field_put(_daemon_offset, true); |
|
832 |
} |
|
833 |
||
834 |
oop java_lang_Thread::context_class_loader(oop java_thread) { |
|
835 |
return java_thread->obj_field(_contextClassLoader_offset); |
|
836 |
} |
|
837 |
||
838 |
oop java_lang_Thread::inherited_access_control_context(oop java_thread) { |
|
839 |
return java_thread->obj_field(_inheritedAccessControlContext_offset); |
|
840 |
} |
|
841 |
||
842 |
||
843 |
jlong java_lang_Thread::stackSize(oop java_thread) { |
|
844 |
// The stackSize field is only present starting in 1.4 |
|
845 |
if (_stackSize_offset > 0) { |
|
846 |
assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); |
|
847 |
return java_thread->long_field(_stackSize_offset); |
|
848 |
} else { |
|
849 |
return 0; |
|
850 |
} |
|
851 |
} |
|
852 |
||
853 |
// Write the thread status value to threadStatus field in java.lang.Thread java class. |
|
854 |
void java_lang_Thread::set_thread_status(oop java_thread, |
|
855 |
java_lang_Thread::ThreadStatus status) { |
|
856 |
assert(JavaThread::current()->thread_state() == _thread_in_vm, "Java Thread is not running in vm"); |
|
857 |
// The threadStatus is only present starting in 1.5 |
|
858 |
if (_thread_status_offset > 0) { |
|
859 |
java_thread->int_field_put(_thread_status_offset, status); |
|
860 |
} |
|
861 |
} |
|
862 |
||
863 |
// Read thread status value from threadStatus field in java.lang.Thread java class. |
|
864 |
java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { |
|
865 |
assert(Thread::current()->is_VM_thread() || |
|
866 |
JavaThread::current()->thread_state() == _thread_in_vm, |
|
867 |
"Java Thread is not running in vm"); |
|
868 |
// The threadStatus is only present starting in 1.5 |
|
869 |
if (_thread_status_offset > 0) { |
|
870 |
return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); |
|
871 |
} else { |
|
872 |
// All we can easily figure out is if it is alive, but that is |
|
873 |
// enough info for a valid unknown status. |
|
874 |
// These aren't restricted to valid set ThreadStatus values, so |
|
875 |
// use JVMTI values and cast. |
|
876 |
JavaThread* thr = java_lang_Thread::thread(java_thread); |
|
877 |
if (thr == NULL) { |
|
878 |
// the thread hasn't run yet or is in the process of exiting |
|
879 |
return NEW; |
|
880 |
} |
|
881 |
return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; |
|
882 |
} |
|
883 |
} |
|
884 |
||
885 |
||
886 |
jlong java_lang_Thread::thread_id(oop java_thread) { |
|
887 |
// The thread ID field is only present starting in 1.5 |
|
888 |
if (_tid_offset > 0) { |
|
889 |
return java_thread->long_field(_tid_offset); |
|
890 |
} else { |
|
891 |
return 0; |
|
892 |
} |
|
893 |
} |
|
894 |
||
895 |
oop java_lang_Thread::park_blocker(oop java_thread) { |
|
950 | 896 |
assert(JDK_Version::current().supports_thread_park_blocker() && |
897 |
_park_blocker_offset != 0, "Must support parkBlocker field"); |
|
1 | 898 |
|
899 |
if (_park_blocker_offset > 0) { |
|
900 |
return java_thread->obj_field(_park_blocker_offset); |
|
901 |
} |
|
902 |
||
903 |
return NULL; |
|
904 |
} |
|
905 |
||
906 |
jlong java_lang_Thread::park_event(oop java_thread) { |
|
907 |
if (_park_event_offset > 0) { |
|
908 |
return java_thread->long_field(_park_event_offset); |
|
909 |
} |
|
910 |
return 0; |
|
911 |
} |
|
912 |
||
913 |
bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { |
|
914 |
if (_park_event_offset > 0) { |
|
915 |
java_thread->long_field_put(_park_event_offset, ptr); |
|
916 |
return true; |
|
917 |
} |
|
918 |
return false; |
|
919 |
} |
|
920 |
||
921 |
||
922 |
const char* java_lang_Thread::thread_status_name(oop java_thread) { |
|
923 |
assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); |
|
924 |
ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); |
|
925 |
switch (status) { |
|
926 |
case NEW : return "NEW"; |
|
927 |
case RUNNABLE : return "RUNNABLE"; |
|
928 |
case SLEEPING : return "TIMED_WAITING (sleeping)"; |
|
929 |
case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; |
|
930 |
case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; |
|
931 |
case PARKED : return "WAITING (parking)"; |
|
932 |
case PARKED_TIMED : return "TIMED_WAITING (parking)"; |
|
933 |
case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; |
|
934 |
case TERMINATED : return "TERMINATED"; |
|
935 |
default : return "UNKNOWN"; |
|
936 |
}; |
|
937 |
} |
|
938 |
int java_lang_ThreadGroup::_parent_offset = 0; |
|
939 |
int java_lang_ThreadGroup::_name_offset = 0; |
|
940 |
int java_lang_ThreadGroup::_threads_offset = 0; |
|
941 |
int java_lang_ThreadGroup::_groups_offset = 0; |
|
942 |
int java_lang_ThreadGroup::_maxPriority_offset = 0; |
|
943 |
int java_lang_ThreadGroup::_destroyed_offset = 0; |
|
944 |
int java_lang_ThreadGroup::_daemon_offset = 0; |
|
945 |
int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; |
|
946 |
int java_lang_ThreadGroup::_nthreads_offset = 0; |
|
947 |
int java_lang_ThreadGroup::_ngroups_offset = 0; |
|
948 |
||
949 |
oop java_lang_ThreadGroup::parent(oop java_thread_group) { |
|
950 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
951 |
return java_thread_group->obj_field(_parent_offset); |
|
952 |
} |
|
953 |
||
954 |
// ("name as oop" accessor is not necessary) |
|
955 |
||
956 |
typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { |
|
957 |
oop name = java_thread_group->obj_field(_name_offset); |
|
958 |
// ThreadGroup.name can be null |
|
959 |
return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); |
|
960 |
} |
|
961 |
||
962 |
int java_lang_ThreadGroup::nthreads(oop java_thread_group) { |
|
963 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
964 |
return java_thread_group->int_field(_nthreads_offset); |
|
965 |
} |
|
966 |
||
967 |
objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { |
|
968 |
oop threads = java_thread_group->obj_field(_threads_offset); |
|
969 |
assert(threads != NULL, "threadgroups should have threads"); |
|
970 |
assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code |
|
971 |
return objArrayOop(threads); |
|
972 |
} |
|
973 |
||
974 |
int java_lang_ThreadGroup::ngroups(oop java_thread_group) { |
|
975 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
976 |
return java_thread_group->int_field(_ngroups_offset); |
|
977 |
} |
|
978 |
||
979 |
objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { |
|
980 |
oop groups = java_thread_group->obj_field(_groups_offset); |
|
981 |
assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code |
|
982 |
return objArrayOop(groups); |
|
983 |
} |
|
984 |
||
985 |
ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { |
|
986 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
987 |
return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); |
|
988 |
} |
|
989 |
||
990 |
bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { |
|
991 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
992 |
return java_thread_group->bool_field(_destroyed_offset) != 0; |
|
993 |
} |
|
994 |
||
995 |
bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { |
|
996 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
997 |
return java_thread_group->bool_field(_daemon_offset) != 0; |
|
998 |
} |
|
999 |
||
1000 |
bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { |
|
1001 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
1002 |
return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; |
|
1003 |
} |
|
1004 |
||
1005 |
void java_lang_ThreadGroup::compute_offsets() { |
|
1006 |
assert(_parent_offset == 0, "offsets should be initialized only once"); |
|
1007 |
||
4571 | 1008 |
klassOop k = SystemDictionary::ThreadGroup_klass(); |
1 | 1009 |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1010 |
compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1011 |
compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1012 |
compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1013 |
compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1014 |
compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1015 |
compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1016 |
compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1017 |
compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1018 |
compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1019 |
compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
1 | 1020 |
} |
1021 |
||
1022 |
oop java_lang_Throwable::backtrace(oop throwable) { |
|
1023 |
return throwable->obj_field_acquire(backtrace_offset); |
|
1024 |
} |
|
1025 |
||
1026 |
||
1027 |
void java_lang_Throwable::set_backtrace(oop throwable, oop value) { |
|
1028 |
throwable->release_obj_field_put(backtrace_offset, value); |
|
1029 |
} |
|
1030 |
||
1031 |
||
1032 |
oop java_lang_Throwable::message(oop throwable) { |
|
1033 |
return throwable->obj_field(detailMessage_offset); |
|
1034 |
} |
|
1035 |
||
1036 |
||
1037 |
oop java_lang_Throwable::message(Handle throwable) { |
|
1038 |
return throwable->obj_field(detailMessage_offset); |
|
1039 |
} |
|
1040 |
||
1041 |
||
1042 |
void java_lang_Throwable::set_message(oop throwable, oop value) { |
|
1043 |
throwable->obj_field_put(detailMessage_offset, value); |
|
1044 |
} |
|
1045 |
||
1046 |
||
1047 |
void java_lang_Throwable::clear_stacktrace(oop throwable) { |
|
1048 |
assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); |
|
1049 |
throwable->obj_field_put(stackTrace_offset, NULL); |
|
1050 |
} |
|
1051 |
||
1052 |
||
1053 |
void java_lang_Throwable::print(oop throwable, outputStream* st) { |
|
1054 |
ResourceMark rm; |
|
1055 |
klassOop k = throwable->klass(); |
|
1056 |
assert(k != NULL, "just checking"); |
|
1057 |
st->print("%s", instanceKlass::cast(k)->external_name()); |
|
1058 |
oop msg = message(throwable); |
|
1059 |
if (msg != NULL) { |
|
1060 |
st->print(": %s", java_lang_String::as_utf8_string(msg)); |
|
1061 |
} |
|
1062 |
} |
|
1063 |
||
1064 |
||
1065 |
void java_lang_Throwable::print(Handle throwable, outputStream* st) { |
|
1066 |
ResourceMark rm; |
|
1067 |
klassOop k = throwable->klass(); |
|
1068 |
assert(k != NULL, "just checking"); |
|
1069 |
st->print("%s", instanceKlass::cast(k)->external_name()); |
|
1070 |
oop msg = message(throwable); |
|
1071 |
if (msg != NULL) { |
|
1072 |
st->print(": %s", java_lang_String::as_utf8_string(msg)); |
|
1073 |
} |
|
1074 |
} |
|
1075 |
||
1076 |
// Print stack trace element to resource allocated buffer |
|
1077 |
char* java_lang_Throwable::print_stack_element_to_buffer(methodOop method, int bci) { |
|
1078 |
// Get strings and string lengths |
|
1079 |
instanceKlass* klass = instanceKlass::cast(method->method_holder()); |
|
1080 |
const char* klass_name = klass->external_name(); |
|
1081 |
int buf_len = (int)strlen(klass_name); |
|
1082 |
char* source_file_name; |
|
1083 |
if (klass->source_file_name() == NULL) { |
|
1084 |
source_file_name = NULL; |
|
1085 |
} else { |
|
1086 |
source_file_name = klass->source_file_name()->as_C_string(); |
|
1087 |
buf_len += (int)strlen(source_file_name); |
|
1088 |
} |
|
1089 |
char* method_name = method->name()->as_C_string(); |
|
1090 |
buf_len += (int)strlen(method_name); |
|
1091 |
||
1092 |
// Allocate temporary buffer with extra space for formatting and line number |
|
1093 |
char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); |
|
1094 |
||
1095 |
// Print stack trace line in buffer |
|
1096 |
sprintf(buf, "\tat %s.%s", klass_name, method_name); |
|
1097 |
if (method->is_native()) { |
|
1098 |
strcat(buf, "(Native Method)"); |
|
1099 |
} else { |
|
1100 |
int line_number = method->line_number_from_bci(bci); |
|
1101 |
if (source_file_name != NULL && (line_number != -1)) { |
|
1102 |
// Sourcename and linenumber |
|
1103 |
sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); |
|
1104 |
} else if (source_file_name != NULL) { |
|
1105 |
// Just sourcename |
|
1106 |
sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); |
|
1107 |
} else { |
|
1108 |
// Neither soucename and linenumber |
|
1109 |
sprintf(buf + (int)strlen(buf), "(Unknown Source)"); |
|
1110 |
} |
|
1111 |
nmethod* nm = method->code(); |
|
1112 |
if (WizardMode && nm != NULL) { |
|
1889
24b003a6fe46
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
950
diff
changeset
|
1113 |
sprintf(buf + (int)strlen(buf), "(nmethod " PTR_FORMAT ")", (intptr_t)nm); |
1 | 1114 |
} |
1115 |
} |
|
1116 |
||
1117 |
return buf; |
|
1118 |
} |
|
1119 |
||
1120 |
||
1121 |
void java_lang_Throwable::print_stack_element(Handle stream, methodOop method, int bci) { |
|
1122 |
ResourceMark rm; |
|
1123 |
char* buf = print_stack_element_to_buffer(method, bci); |
|
1124 |
print_to_stream(stream, buf); |
|
1125 |
} |
|
1126 |
||
1127 |
void java_lang_Throwable::print_stack_element(outputStream *st, methodOop method, int bci) { |
|
1128 |
ResourceMark rm; |
|
1129 |
char* buf = print_stack_element_to_buffer(method, bci); |
|
1130 |
st->print_cr("%s", buf); |
|
1131 |
} |
|
1132 |
||
1133 |
void java_lang_Throwable::print_to_stream(Handle stream, const char* str) { |
|
1134 |
if (stream.is_null()) { |
|
1135 |
tty->print_cr("%s", str); |
|
1136 |
} else { |
|
1137 |
EXCEPTION_MARK; |
|
1138 |
JavaValue result(T_VOID); |
|
1139 |
Handle arg (THREAD, oopFactory::new_charArray(str, THREAD)); |
|
1140 |
if (!HAS_PENDING_EXCEPTION) { |
|
1141 |
JavaCalls::call_virtual(&result, |
|
1142 |
stream, |
|
1143 |
KlassHandle(THREAD, stream->klass()), |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1144 |
vmSymbols::println_name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1145 |
vmSymbols::char_array_void_signature(), |
1 | 1146 |
arg, |
1147 |
THREAD); |
|
1148 |
} |
|
1149 |
// Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
|
1150 |
if (HAS_PENDING_EXCEPTION) CLEAR_PENDING_EXCEPTION; |
|
1151 |
} |
|
1152 |
||
1153 |
} |
|
1154 |
||
1155 |
||
1156 |
const char* java_lang_Throwable::no_stack_trace_message() { |
|
1157 |
return "\t<<no stack trace available>>"; |
|
1158 |
} |
|
1159 |
||
1160 |
||
1161 |
// Currently used only for exceptions occurring during startup |
|
1162 |
void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { |
|
1163 |
Thread *THREAD = Thread::current(); |
|
1164 |
Handle h_throwable(THREAD, throwable); |
|
1165 |
while (h_throwable.not_null()) { |
|
1166 |
objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); |
|
1167 |
if (result.is_null()) { |
|
1168 |
st->print_cr(no_stack_trace_message()); |
|
1169 |
return; |
|
1170 |
} |
|
1171 |
||
1172 |
while (result.not_null()) { |
|
1173 |
objArrayHandle methods (THREAD, |
|
1174 |
objArrayOop(result->obj_at(trace_methods_offset))); |
|
1175 |
typeArrayHandle bcis (THREAD, |
|
1176 |
typeArrayOop(result->obj_at(trace_bcis_offset))); |
|
1177 |
||
1178 |
if (methods.is_null() || bcis.is_null()) { |
|
1179 |
st->print_cr(no_stack_trace_message()); |
|
1180 |
return; |
|
1181 |
} |
|
1182 |
||
1183 |
int length = methods()->length(); |
|
1184 |
for (int index = 0; index < length; index++) { |
|
1185 |
methodOop method = methodOop(methods()->obj_at(index)); |
|
1186 |
if (method == NULL) goto handle_cause; |
|
1187 |
int bci = bcis->ushort_at(index); |
|
1188 |
print_stack_element(st, method, bci); |
|
1189 |
} |
|
1190 |
result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); |
|
1191 |
} |
|
1192 |
handle_cause: |
|
1193 |
{ |
|
1194 |
EXCEPTION_MARK; |
|
1195 |
JavaValue result(T_OBJECT); |
|
1196 |
JavaCalls::call_virtual(&result, |
|
1197 |
h_throwable, |
|
1198 |
KlassHandle(THREAD, h_throwable->klass()), |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1199 |
vmSymbols::getCause_name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1200 |
vmSymbols::void_throwable_signature(), |
1 | 1201 |
THREAD); |
1202 |
// Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
|
1203 |
if (HAS_PENDING_EXCEPTION) { |
|
1204 |
CLEAR_PENDING_EXCEPTION; |
|
1205 |
h_throwable = Handle(); |
|
1206 |
} else { |
|
1207 |
h_throwable = Handle(THREAD, (oop) result.get_jobject()); |
|
1208 |
if (h_throwable.not_null()) { |
|
1209 |
st->print("Caused by: "); |
|
1210 |
print(h_throwable, st); |
|
1211 |
st->cr(); |
|
1212 |
} |
|
1213 |
} |
|
1214 |
} |
|
1215 |
} |
|
1216 |
} |
|
1217 |
||
1218 |
||
1219 |
void java_lang_Throwable::print_stack_trace(oop throwable, oop print_stream) { |
|
1220 |
// Note: this is no longer used in Merlin, but we support it for compatibility. |
|
1221 |
Thread *thread = Thread::current(); |
|
1222 |
Handle stream(thread, print_stream); |
|
1223 |
objArrayHandle result (thread, objArrayOop(backtrace(throwable))); |
|
1224 |
if (result.is_null()) { |
|
1225 |
print_to_stream(stream, no_stack_trace_message()); |
|
1226 |
return; |
|
1227 |
} |
|
1228 |
||
1229 |
while (result.not_null()) { |
|
1230 |
objArrayHandle methods (thread, |
|
1231 |
objArrayOop(result->obj_at(trace_methods_offset))); |
|
1232 |
typeArrayHandle bcis (thread, |
|
1233 |
typeArrayOop(result->obj_at(trace_bcis_offset))); |
|
1234 |
||
1235 |
if (methods.is_null() || bcis.is_null()) { |
|
1236 |
print_to_stream(stream, no_stack_trace_message()); |
|
1237 |
return; |
|
1238 |
} |
|
1239 |
||
1240 |
int length = methods()->length(); |
|
1241 |
for (int index = 0; index < length; index++) { |
|
1242 |
methodOop method = methodOop(methods()->obj_at(index)); |
|
1243 |
if (method == NULL) return; |
|
1244 |
int bci = bcis->ushort_at(index); |
|
1245 |
print_stack_element(stream, method, bci); |
|
1246 |
} |
|
1247 |
result = objArrayHandle(thread, objArrayOop(result->obj_at(trace_next_offset))); |
|
1248 |
} |
|
1249 |
} |
|
1250 |
||
1251 |
// This class provides a simple wrapper over the internal structure of |
|
1252 |
// exception backtrace to insulate users of the backtrace from needing |
|
1253 |
// to know what it looks like. |
|
1254 |
class BacktraceBuilder: public StackObj { |
|
1255 |
private: |
|
1256 |
Handle _backtrace; |
|
1257 |
objArrayOop _head; |
|
1258 |
objArrayOop _methods; |
|
1259 |
typeArrayOop _bcis; |
|
1260 |
int _index; |
|
1261 |
bool _dirty; |
|
1262 |
No_Safepoint_Verifier _nsv; |
|
1263 |
||
1264 |
public: |
|
1265 |
||
1266 |
enum { |
|
1267 |
trace_methods_offset = java_lang_Throwable::trace_methods_offset, |
|
1268 |
trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, |
|
1269 |
trace_next_offset = java_lang_Throwable::trace_next_offset, |
|
1270 |
trace_size = java_lang_Throwable::trace_size, |
|
1271 |
trace_chunk_size = java_lang_Throwable::trace_chunk_size |
|
1272 |
}; |
|
1273 |
||
1274 |
// constructor for new backtrace |
|
345
8a4c345e460c
6679708: No_Safepoint_Verifier and BacktraceBuilder have uninitialized fields
never
parents:
195
diff
changeset
|
1275 |
BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _dirty(false) { |
1 | 1276 |
expand(CHECK); |
1277 |
_backtrace = _head; |
|
1278 |
_index = 0; |
|
1279 |
} |
|
1280 |
||
1281 |
void flush() { |
|
4886
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1282 |
// The following appears to have been an optimization to save from |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1283 |
// doing a barrier for each individual store into the _methods array, |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1284 |
// but rather to do it for the entire array after the series of writes. |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1285 |
// That optimization seems to have been lost when compressed oops was |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1286 |
// implemented. However, the extra card-marks below was left in place, |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1287 |
// but is now redundant because the individual stores into the |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1288 |
// _methods array already execute the barrier code. CR 6918185 has |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1289 |
// been filed so the original code may be restored by deferring the |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1290 |
// barriers until after the entire sequence of stores, thus re-enabling |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1291 |
// the intent of the original optimization. In the meantime the redundant |
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1292 |
// card mark below is now disabled. |
1 | 1293 |
if (_dirty && _methods != NULL) { |
4886
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1294 |
#if 0 |
1 | 1295 |
BarrierSet* bs = Universe::heap()->barrier_set(); |
1296 |
assert(bs->has_write_ref_array_opt(), "Barrier set must have ref array opt"); |
|
4461
c17c526d36ef
6906727: UseCompressedOops: some card-marking fixes related to object arrays
ysr
parents:
3796
diff
changeset
|
1297 |
bs->write_ref_array((HeapWord*)_methods->base(), _methods->length()); |
4886
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1298 |
#endif |
1 | 1299 |
_dirty = false; |
1300 |
} |
|
1301 |
} |
|
1302 |
||
1303 |
void expand(TRAPS) { |
|
1304 |
flush(); |
|
1305 |
||
1306 |
objArrayHandle old_head(THREAD, _head); |
|
1307 |
Pause_No_Safepoint_Verifier pnsv(&_nsv); |
|
1308 |
||
1309 |
objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); |
|
1310 |
objArrayHandle new_head(THREAD, head); |
|
1311 |
||
1312 |
objArrayOop methods = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
|
1313 |
objArrayHandle new_methods(THREAD, methods); |
|
1314 |
||
1315 |
typeArrayOop bcis = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
|
1316 |
typeArrayHandle new_bcis(THREAD, bcis); |
|
1317 |
||
1318 |
if (!old_head.is_null()) { |
|
1319 |
old_head->obj_at_put(trace_next_offset, new_head()); |
|
1320 |
} |
|
1321 |
new_head->obj_at_put(trace_methods_offset, new_methods()); |
|
1322 |
new_head->obj_at_put(trace_bcis_offset, new_bcis()); |
|
1323 |
||
1324 |
_head = new_head(); |
|
1325 |
_methods = new_methods(); |
|
1326 |
_bcis = new_bcis(); |
|
1327 |
_index = 0; |
|
1328 |
} |
|
1329 |
||
1330 |
oop backtrace() { |
|
1331 |
flush(); |
|
1332 |
return _backtrace(); |
|
1333 |
} |
|
1334 |
||
1335 |
inline void push(methodOop method, short bci, TRAPS) { |
|
1336 |
if (_index >= trace_chunk_size) { |
|
1337 |
methodHandle mhandle(THREAD, method); |
|
1338 |
expand(CHECK); |
|
1339 |
method = mhandle(); |
|
1340 |
} |
|
1341 |
||
4886
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1342 |
_methods->obj_at_put(_index, method); |
1 | 1343 |
_bcis->ushort_at_put(_index, bci); |
1344 |
_index++; |
|
1345 |
_dirty = true; |
|
1346 |
} |
|
1347 |
||
1348 |
methodOop current_method() { |
|
1349 |
assert(_index >= 0 && _index < trace_chunk_size, "out of range"); |
|
1350 |
return methodOop(_methods->obj_at(_index)); |
|
1351 |
} |
|
1352 |
||
1353 |
jushort current_bci() { |
|
1354 |
assert(_index >= 0 && _index < trace_chunk_size, "out of range"); |
|
1355 |
return _bcis->ushort_at(_index); |
|
1356 |
} |
|
1357 |
}; |
|
1358 |
||
1359 |
||
1360 |
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, TRAPS) { |
|
1361 |
if (!StackTraceInThrowable) return; |
|
1362 |
ResourceMark rm(THREAD); |
|
1363 |
||
1364 |
// Start out by clearing the backtrace for this object, in case the VM |
|
1365 |
// runs out of memory while allocating the stack trace |
|
1366 |
set_backtrace(throwable(), NULL); |
|
1367 |
if (JDK_Version::is_gte_jdk14x_version()) { |
|
1368 |
// New since 1.4, clear lazily constructed Java level stacktrace if |
|
1369 |
// refilling occurs |
|
1370 |
clear_stacktrace(throwable()); |
|
1371 |
} |
|
1372 |
||
1373 |
int max_depth = MaxJavaStackTraceDepth; |
|
1374 |
JavaThread* thread = (JavaThread*)THREAD; |
|
1375 |
BacktraceBuilder bt(CHECK); |
|
1376 |
||
1377 |
// Instead of using vframe directly, this version of fill_in_stack_trace |
|
1378 |
// basically handles everything by hand. This significantly improved the |
|
1379 |
// speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. |
|
1380 |
// See bug 6333838 for more details. |
|
1381 |
// The "ASSERT" here is to verify this method generates the exactly same stack |
|
1382 |
// trace as utilizing vframe. |
|
1383 |
#ifdef ASSERT |
|
1384 |
vframeStream st(thread); |
|
1385 |
methodHandle st_method(THREAD, st.method()); |
|
1386 |
#endif |
|
1387 |
int total_count = 0; |
|
1388 |
RegisterMap map(thread, false); |
|
1389 |
int decode_offset = 0; |
|
1390 |
nmethod* nm = NULL; |
|
1391 |
bool skip_fillInStackTrace_check = false; |
|
1392 |
bool skip_throwableInit_check = false; |
|
1393 |
||
1394 |
for (frame fr = thread->last_frame(); max_depth != total_count;) { |
|
1395 |
methodOop method = NULL; |
|
1396 |
int bci = 0; |
|
1397 |
||
1398 |
// Compiled java method case. |
|
1399 |
if (decode_offset != 0) { |
|
1400 |
DebugInfoReadStream stream(nm, decode_offset); |
|
1401 |
decode_offset = stream.read_int(); |
|
1402 |
method = (methodOop)nm->oop_at(stream.read_int()); |
|
3686
69c1b5228547
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents:
3600
diff
changeset
|
1403 |
bci = stream.read_bci(); |
1 | 1404 |
} else { |
1405 |
if (fr.is_first_frame()) break; |
|
1406 |
address pc = fr.pc(); |
|
1407 |
if (fr.is_interpreted_frame()) { |
|
1408 |
intptr_t bcx = fr.interpreter_frame_bcx(); |
|
1409 |
method = fr.interpreter_frame_method(); |
|
1410 |
bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); |
|
1411 |
fr = fr.sender(&map); |
|
1412 |
} else { |
|
1413 |
CodeBlob* cb = fr.cb(); |
|
1414 |
// HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL |
|
1415 |
// but non nmethod |
|
1416 |
fr = fr.sender(&map); |
|
1417 |
if (cb == NULL || !cb->is_nmethod()) { |
|
1418 |
continue; |
|
1419 |
} |
|
1420 |
nm = (nmethod*)cb; |
|
1421 |
if (nm->method()->is_native()) { |
|
1422 |
method = nm->method(); |
|
1423 |
bci = 0; |
|
1424 |
} else { |
|
1425 |
PcDesc* pd = nm->pc_desc_at(pc); |
|
1426 |
decode_offset = pd->scope_decode_offset(); |
|
1427 |
// if decode_offset is not equal to 0, it will execute the |
|
1428 |
// "compiled java method case" at the beginning of the loop. |
|
1429 |
continue; |
|
1430 |
} |
|
1431 |
} |
|
1432 |
} |
|
1433 |
#ifdef ASSERT |
|
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1434 |
assert(st_method() == method && st.bci() == bci, |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1435 |
"Wrong stack trace"); |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1436 |
st.next(); |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1437 |
// vframeStream::method isn't GC-safe so store off a copy |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1438 |
// of the methodOop in case we GC. |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1439 |
if (!st.at_end()) { |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1440 |
st_method = st.method(); |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1441 |
} |
1 | 1442 |
#endif |
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1443 |
|
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1444 |
// the format of the stacktrace will be: |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1445 |
// - 1 or more fillInStackTrace frames for the exception class (skipped) |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1446 |
// - 0 or more <init> methods for the exception class (skipped) |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1447 |
// - rest of the stack |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1448 |
|
1 | 1449 |
if (!skip_fillInStackTrace_check) { |
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1450 |
if ((method->name() == vmSymbols::fillInStackTrace_name() || |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1451 |
method->name() == vmSymbols::fillInStackTrace0_name()) && |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1452 |
throwable->is_a(method->method_holder())) { |
1 | 1453 |
continue; |
1454 |
} |
|
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1455 |
else { |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1456 |
skip_fillInStackTrace_check = true; // gone past them all |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1457 |
} |
1 | 1458 |
} |
1459 |
if (!skip_throwableInit_check) { |
|
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1460 |
assert(skip_fillInStackTrace_check, "logic error in backtrace filtering"); |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1461 |
|
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1462 |
// skip <init> methods of the exception class and superclasses |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1463 |
// This is simlar to classic VM. |
1 | 1464 |
if (method->name() == vmSymbols::object_initializer_name() && |
1465 |
throwable->is_a(method->method_holder())) { |
|
1466 |
continue; |
|
1467 |
} else { |
|
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1468 |
// there are none or we've seen them all - either way stop checking |
1 | 1469 |
skip_throwableInit_check = true; |
1470 |
} |
|
1471 |
} |
|
1472 |
bt.push(method, bci, CHECK); |
|
1473 |
total_count++; |
|
1474 |
} |
|
1475 |
||
1476 |
// Put completed stack trace into throwable object |
|
1477 |
set_backtrace(throwable(), bt.backtrace()); |
|
1478 |
} |
|
1479 |
||
1480 |
void java_lang_Throwable::fill_in_stack_trace(Handle throwable) { |
|
1481 |
// No-op if stack trace is disabled |
|
1482 |
if (!StackTraceInThrowable) { |
|
1483 |
return; |
|
1484 |
} |
|
1485 |
||
1486 |
// Disable stack traces for some preallocated out of memory errors |
|
1487 |
if (!Universe::should_fill_in_stack_trace(throwable)) { |
|
1488 |
return; |
|
1489 |
} |
|
1490 |
||
1491 |
PRESERVE_EXCEPTION_MARK; |
|
1492 |
||
1493 |
JavaThread* thread = JavaThread::active(); |
|
1494 |
fill_in_stack_trace(throwable, thread); |
|
1495 |
// ignore exceptions thrown during stack trace filling |
|
1496 |
CLEAR_PENDING_EXCEPTION; |
|
1497 |
} |
|
1498 |
||
1499 |
void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { |
|
1500 |
// Allocate stack trace - backtrace is created but not filled in |
|
1501 |
||
1502 |
// No-op if stack trace is disabled |
|
1503 |
if (!StackTraceInThrowable) return; |
|
1504 |
||
1505 |
objArrayOop h_oop = oopFactory::new_objectArray(trace_size, CHECK); |
|
1506 |
objArrayHandle backtrace (THREAD, h_oop); |
|
1507 |
objArrayOop m_oop = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
|
1508 |
objArrayHandle methods (THREAD, m_oop); |
|
1509 |
typeArrayOop b = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
|
1510 |
typeArrayHandle bcis(THREAD, b); |
|
1511 |
||
1512 |
// backtrace has space for one chunk (next is NULL) |
|
1513 |
backtrace->obj_at_put(trace_methods_offset, methods()); |
|
1514 |
backtrace->obj_at_put(trace_bcis_offset, bcis()); |
|
1515 |
set_backtrace(throwable(), backtrace()); |
|
1516 |
} |
|
1517 |
||
1518 |
||
1519 |
void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { |
|
1520 |
// Fill in stack trace into preallocated backtrace (no GC) |
|
1521 |
||
1522 |
// No-op if stack trace is disabled |
|
1523 |
if (!StackTraceInThrowable) return; |
|
1524 |
||
4571 | 1525 |
assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check"); |
1 | 1526 |
|
1527 |
oop backtrace = java_lang_Throwable::backtrace(throwable()); |
|
1528 |
assert(backtrace != NULL, "backtrace not preallocated"); |
|
1529 |
||
1530 |
oop m = objArrayOop(backtrace)->obj_at(trace_methods_offset); |
|
1531 |
objArrayOop methods = objArrayOop(m); |
|
1532 |
assert(methods != NULL && methods->length() > 0, "method array not preallocated"); |
|
1533 |
||
1534 |
oop b = objArrayOop(backtrace)->obj_at(trace_bcis_offset); |
|
1535 |
typeArrayOop bcis = typeArrayOop(b); |
|
1536 |
assert(bcis != NULL, "bci array not preallocated"); |
|
1537 |
||
1538 |
assert(methods->length() == bcis->length(), "method and bci arrays should match"); |
|
1539 |
||
1540 |
JavaThread* thread = JavaThread::current(); |
|
1541 |
ResourceMark rm(thread); |
|
1542 |
vframeStream st(thread); |
|
1543 |
||
1544 |
// Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init |
|
1545 |
// methods as preallocated errors aren't created by "java" code. |
|
1546 |
||
1547 |
// fill in as much stack trace as possible |
|
1548 |
int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); |
|
1549 |
int chunk_count = 0; |
|
1550 |
||
1551 |
for (;!st.at_end(); st.next()) { |
|
1552 |
// add element |
|
1553 |
bcis->ushort_at_put(chunk_count, st.bci()); |
|
1554 |
methods->obj_at_put(chunk_count, st.method()); |
|
1555 |
||
1556 |
chunk_count++; |
|
1557 |
||
1558 |
// Bail-out for deep stacks |
|
1559 |
if (chunk_count >= max_chunks) break; |
|
1560 |
} |
|
1561 |
} |
|
1562 |
||
1563 |
||
1564 |
int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { |
|
1565 |
if (throwable == NULL) { |
|
1566 |
THROW_0(vmSymbols::java_lang_NullPointerException()); |
|
1567 |
} |
|
1568 |
objArrayOop chunk = objArrayOop(backtrace(throwable)); |
|
1569 |
int depth = 0; |
|
1570 |
if (chunk != NULL) { |
|
1571 |
// Iterate over chunks and count full ones |
|
1572 |
while (true) { |
|
1573 |
objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); |
|
1574 |
if (next == NULL) break; |
|
1575 |
depth += trace_chunk_size; |
|
1576 |
chunk = next; |
|
1577 |
} |
|
1578 |
assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); |
|
1579 |
// Count element in remaining partial chunk |
|
1580 |
objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset)); |
|
1581 |
typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
|
1582 |
assert(methods != NULL && bcis != NULL, "sanity check"); |
|
1583 |
for (int i = 0; i < methods->length(); i++) { |
|
1584 |
if (methods->obj_at(i) == NULL) break; |
|
1585 |
depth++; |
|
1586 |
} |
|
1587 |
} |
|
1588 |
return depth; |
|
1589 |
} |
|
1590 |
||
1591 |
||
1592 |
oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { |
|
1593 |
if (throwable == NULL) { |
|
1594 |
THROW_0(vmSymbols::java_lang_NullPointerException()); |
|
1595 |
} |
|
1596 |
if (index < 0) { |
|
1597 |
THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
|
1598 |
} |
|
1599 |
// Compute how many chunks to skip and index into actual chunk |
|
1600 |
objArrayOop chunk = objArrayOop(backtrace(throwable)); |
|
1601 |
int skip_chunks = index / trace_chunk_size; |
|
1602 |
int chunk_index = index % trace_chunk_size; |
|
1603 |
while (chunk != NULL && skip_chunks > 0) { |
|
1604 |
chunk = objArrayOop(chunk->obj_at(trace_next_offset)); |
|
1605 |
skip_chunks--; |
|
1606 |
} |
|
1607 |
if (chunk == NULL) { |
|
1608 |
THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
|
1609 |
} |
|
1610 |
// Get method,bci from chunk |
|
1611 |
objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset)); |
|
1612 |
typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
|
1613 |
assert(methods != NULL && bcis != NULL, "sanity check"); |
|
1614 |
methodHandle method(THREAD, methodOop(methods->obj_at(chunk_index))); |
|
1615 |
int bci = bcis->ushort_at(chunk_index); |
|
1616 |
// Chunk can be partial full |
|
1617 |
if (method.is_null()) { |
|
1618 |
THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
|
1619 |
} |
|
1620 |
||
1621 |
oop element = java_lang_StackTraceElement::create(method, bci, CHECK_0); |
|
1622 |
return element; |
|
1623 |
} |
|
1624 |
||
1625 |
oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { |
|
1626 |
// SystemDictionary::stackTraceElement_klass() will be null for pre-1.4 JDKs |
|
1627 |
assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); |
|
1628 |
||
1629 |
// Allocate java.lang.StackTraceElement instance |
|
4571 | 1630 |
klassOop k = SystemDictionary::StackTraceElement_klass(); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1631 |
assert(k != NULL, "must be loaded in 1.4+"); |
1 | 1632 |
instanceKlassHandle ik (THREAD, k); |
1633 |
if (ik->should_be_initialized()) { |
|
1634 |
ik->initialize(CHECK_0); |
|
1635 |
} |
|
1636 |
||
1637 |
Handle element = ik->allocate_instance_handle(CHECK_0); |
|
1638 |
// Fill in class name |
|
1639 |
ResourceMark rm(THREAD); |
|
1640 |
const char* str = instanceKlass::cast(method->method_holder())->external_name(); |
|
1641 |
oop classname = StringTable::intern((char*) str, CHECK_0); |
|
1642 |
java_lang_StackTraceElement::set_declaringClass(element(), classname); |
|
1643 |
// Fill in method name |
|
1644 |
oop methodname = StringTable::intern(method->name(), CHECK_0); |
|
1645 |
java_lang_StackTraceElement::set_methodName(element(), methodname); |
|
1646 |
// Fill in source file name |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1647 |
Symbol* source = instanceKlass::cast(method->method_holder())->source_file_name(); |
1 | 1648 |
oop filename = StringTable::intern(source, CHECK_0); |
1649 |
java_lang_StackTraceElement::set_fileName(element(), filename); |
|
1650 |
// File in source line number |
|
1651 |
int line_number; |
|
1652 |
if (method->is_native()) { |
|
1653 |
// Negative value different from -1 below, enabling Java code in |
|
1654 |
// class java.lang.StackTraceElement to distinguish "native" from |
|
1655 |
// "no LineNumberTable". |
|
1656 |
line_number = -2; |
|
1657 |
} else { |
|
1658 |
// Returns -1 if no LineNumberTable, and otherwise actual line number |
|
1659 |
line_number = method->line_number_from_bci(bci); |
|
1660 |
} |
|
1661 |
java_lang_StackTraceElement::set_lineNumber(element(), line_number); |
|
1662 |
||
1663 |
return element(); |
|
1664 |
} |
|
1665 |
||
1666 |
||
1667 |
void java_lang_reflect_AccessibleObject::compute_offsets() { |
|
4571 | 1668 |
klassOop k = SystemDictionary::reflect_AccessibleObject_klass(); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1669 |
compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
1 | 1670 |
} |
1671 |
||
1672 |
jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { |
|
1673 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1674 |
return (jboolean) reflect->bool_field(override_offset); |
|
1675 |
} |
|
1676 |
||
1677 |
void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { |
|
1678 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1679 |
reflect->bool_field_put(override_offset, (int) value); |
|
1680 |
} |
|
1681 |
||
1682 |
void java_lang_reflect_Method::compute_offsets() { |
|
4571 | 1683 |
klassOop k = SystemDictionary::reflect_Method_klass(); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1684 |
compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1685 |
compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1686 |
compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1687 |
compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1688 |
compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1689 |
compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1690 |
compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
1 | 1691 |
// The generic signature and annotations fields are only present in 1.5 |
1692 |
signature_offset = -1; |
|
1693 |
annotations_offset = -1; |
|
1694 |
parameter_annotations_offset = -1; |
|
1695 |
annotation_default_offset = -1; |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1696 |
compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1697 |
compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1698 |
compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1699 |
compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
1 | 1700 |
} |
1701 |
||
1702 |
Handle java_lang_reflect_Method::create(TRAPS) { |
|
1703 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
4571 | 1704 |
klassOop klass = SystemDictionary::reflect_Method_klass(); |
1 | 1705 |
// This class is eagerly initialized during VM initialization, since we keep a refence |
1706 |
// to one of the methods |
|
1707 |
assert(instanceKlass::cast(klass)->is_initialized(), "must be initialized"); |
|
1708 |
return instanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); |
|
1709 |
} |
|
1710 |
||
1711 |
oop java_lang_reflect_Method::clazz(oop reflect) { |
|
1712 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1713 |
return reflect->obj_field(clazz_offset); |
|
1714 |
} |
|
1715 |
||
1716 |
void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { |
|
1717 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1718 |
reflect->obj_field_put(clazz_offset, value); |
|
1719 |
} |
|
1720 |
||
1721 |
int java_lang_reflect_Method::slot(oop reflect) { |
|
1722 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1723 |
return reflect->int_field(slot_offset); |
|
1724 |
} |
|
1725 |
||
1726 |
void java_lang_reflect_Method::set_slot(oop reflect, int value) { |
|
1727 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1728 |
reflect->int_field_put(slot_offset, value); |
|
1729 |
} |
|
1730 |
||
1731 |
oop java_lang_reflect_Method::name(oop method) { |
|
1732 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1733 |
return method->obj_field(name_offset); |
|
1734 |
} |
|
1735 |
||
1736 |
void java_lang_reflect_Method::set_name(oop method, oop value) { |
|
1737 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1738 |
method->obj_field_put(name_offset, value); |
|
1739 |
} |
|
1740 |
||
1741 |
oop java_lang_reflect_Method::return_type(oop method) { |
|
1742 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1743 |
return method->obj_field(returnType_offset); |
|
1744 |
} |
|
1745 |
||
1746 |
void java_lang_reflect_Method::set_return_type(oop method, oop value) { |
|
1747 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1748 |
method->obj_field_put(returnType_offset, value); |
|
1749 |
} |
|
1750 |
||
1751 |
oop java_lang_reflect_Method::parameter_types(oop method) { |
|
1752 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1753 |
return method->obj_field(parameterTypes_offset); |
|
1754 |
} |
|
1755 |
||
1756 |
void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { |
|
1757 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1758 |
method->obj_field_put(parameterTypes_offset, value); |
|
1759 |
} |
|
1760 |
||
1761 |
oop java_lang_reflect_Method::exception_types(oop method) { |
|
1762 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1763 |
return method->obj_field(exceptionTypes_offset); |
|
1764 |
} |
|
1765 |
||
1766 |
void java_lang_reflect_Method::set_exception_types(oop method, oop value) { |
|
1767 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1768 |
method->obj_field_put(exceptionTypes_offset, value); |
|
1769 |
} |
|
1770 |
||
1771 |
int java_lang_reflect_Method::modifiers(oop method) { |
|
1772 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1773 |
return method->int_field(modifiers_offset); |
|
1774 |
} |
|
1775 |
||
1776 |
void java_lang_reflect_Method::set_modifiers(oop method, int value) { |
|
1777 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1778 |
method->int_field_put(modifiers_offset, value); |
|
1779 |
} |
|
1780 |
||
1781 |
bool java_lang_reflect_Method::has_signature_field() { |
|
1782 |
return (signature_offset >= 0); |
|
1783 |
} |
|
1784 |
||
1785 |
oop java_lang_reflect_Method::signature(oop method) { |
|
1786 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1787 |
assert(has_signature_field(), "signature field must be present"); |
|
1788 |
return method->obj_field(signature_offset); |
|
1789 |
} |
|
1790 |
||
1791 |
void java_lang_reflect_Method::set_signature(oop method, oop value) { |
|
1792 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1793 |
assert(has_signature_field(), "signature field must be present"); |
|
1794 |
method->obj_field_put(signature_offset, value); |
|
1795 |
} |
|
1796 |
||
1797 |
bool java_lang_reflect_Method::has_annotations_field() { |
|
1798 |
return (annotations_offset >= 0); |
|
1799 |
} |
|
1800 |
||
1801 |
oop java_lang_reflect_Method::annotations(oop method) { |
|
1802 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1803 |
assert(has_annotations_field(), "annotations field must be present"); |
|
1804 |
return method->obj_field(annotations_offset); |
|
1805 |
} |
|
1806 |
||
1807 |
void java_lang_reflect_Method::set_annotations(oop method, oop value) { |
|
1808 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1809 |
assert(has_annotations_field(), "annotations field must be present"); |
|
1810 |
method->obj_field_put(annotations_offset, value); |
|
1811 |
} |
|
1812 |
||
1813 |
bool java_lang_reflect_Method::has_parameter_annotations_field() { |
|
1814 |
return (parameter_annotations_offset >= 0); |
|
1815 |
} |
|
1816 |
||
1817 |
oop java_lang_reflect_Method::parameter_annotations(oop method) { |
|
1818 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1819 |
assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
|
1820 |
return method->obj_field(parameter_annotations_offset); |
|
1821 |
} |
|
1822 |
||
1823 |
void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { |
|
1824 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1825 |
assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
|
1826 |
method->obj_field_put(parameter_annotations_offset, value); |
|
1827 |
} |
|
1828 |
||
1829 |
bool java_lang_reflect_Method::has_annotation_default_field() { |
|
1830 |
return (annotation_default_offset >= 0); |
|
1831 |
} |
|
1832 |
||
1833 |
oop java_lang_reflect_Method::annotation_default(oop method) { |
|
1834 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1835 |
assert(has_annotation_default_field(), "annotation default field must be present"); |
|
1836 |
return method->obj_field(annotation_default_offset); |
|
1837 |
} |
|
1838 |
||
1839 |
void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { |
|
1840 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1841 |
assert(has_annotation_default_field(), "annotation default field must be present"); |
|
1842 |
method->obj_field_put(annotation_default_offset, value); |
|
1843 |
} |
|
1844 |
||
1845 |
void java_lang_reflect_Constructor::compute_offsets() { |
|
4571 | 1846 |
klassOop k = SystemDictionary::reflect_Constructor_klass(); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1847 |
compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1848 |
compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1849 |
compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1850 |
compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1851 |
compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
1 | 1852 |
// The generic signature and annotations fields are only present in 1.5 |
1853 |
signature_offset = -1; |
|
1854 |
annotations_offset = -1; |
|
1855 |
parameter_annotations_offset = -1; |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1856 |
compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1857 |
compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1858 |
compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
1 | 1859 |
} |
1860 |
||
1861 |
Handle java_lang_reflect_Constructor::create(TRAPS) { |
|
1862 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1863 |
Symbol* name = vmSymbols::java_lang_reflect_Constructor(); |
1 | 1864 |
klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
1865 |
instanceKlassHandle klass (THREAD, k); |
|
1866 |
// Ensure it is initialized |
|
1867 |
klass->initialize(CHECK_NH); |
|
1868 |
return klass->allocate_instance_handle(CHECK_NH); |
|
1869 |
} |
|
1870 |
||
1871 |
oop java_lang_reflect_Constructor::clazz(oop reflect) { |
|
1872 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1873 |
return reflect->obj_field(clazz_offset); |
|
1874 |
} |
|
1875 |
||
1876 |
void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { |
|
1877 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1878 |
reflect->obj_field_put(clazz_offset, value); |
|
1879 |
} |
|
1880 |
||
1881 |
oop java_lang_reflect_Constructor::parameter_types(oop constructor) { |
|
1882 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1883 |
return constructor->obj_field(parameterTypes_offset); |
|
1884 |
} |
|
1885 |
||
1886 |
void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { |
|
1887 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1888 |
constructor->obj_field_put(parameterTypes_offset, value); |
|
1889 |
} |
|
1890 |
||
1891 |
oop java_lang_reflect_Constructor::exception_types(oop constructor) { |
|
1892 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1893 |
return constructor->obj_field(exceptionTypes_offset); |
|
1894 |
} |
|
1895 |
||
1896 |
void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { |
|
1897 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1898 |
constructor->obj_field_put(exceptionTypes_offset, value); |
|
1899 |
} |
|
1900 |
||
1901 |
int java_lang_reflect_Constructor::slot(oop reflect) { |
|
1902 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1903 |
return reflect->int_field(slot_offset); |
|
1904 |
} |
|
1905 |
||
1906 |
void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { |
|
1907 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1908 |
reflect->int_field_put(slot_offset, value); |
|
1909 |
} |
|
1910 |
||
1911 |
int java_lang_reflect_Constructor::modifiers(oop constructor) { |
|
1912 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1913 |
return constructor->int_field(modifiers_offset); |
|
1914 |
} |
|
1915 |
||
1916 |
void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { |
|
1917 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1918 |
constructor->int_field_put(modifiers_offset, value); |
|
1919 |
} |
|
1920 |
||
1921 |
bool java_lang_reflect_Constructor::has_signature_field() { |
|
1922 |
return (signature_offset >= 0); |
|
1923 |
} |
|
1924 |
||
1925 |
oop java_lang_reflect_Constructor::signature(oop constructor) { |
|
1926 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1927 |
assert(has_signature_field(), "signature field must be present"); |
|
1928 |
return constructor->obj_field(signature_offset); |
|
1929 |
} |
|
1930 |
||
1931 |
void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { |
|
1932 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1933 |
assert(has_signature_field(), "signature field must be present"); |
|
1934 |
constructor->obj_field_put(signature_offset, value); |
|
1935 |
} |
|
1936 |
||
1937 |
bool java_lang_reflect_Constructor::has_annotations_field() { |
|
1938 |
return (annotations_offset >= 0); |
|
1939 |
} |
|
1940 |
||
1941 |
oop java_lang_reflect_Constructor::annotations(oop constructor) { |
|
1942 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1943 |
assert(has_annotations_field(), "annotations field must be present"); |
|
1944 |
return constructor->obj_field(annotations_offset); |
|
1945 |
} |
|
1946 |
||
1947 |
void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { |
|
1948 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1949 |
assert(has_annotations_field(), "annotations field must be present"); |
|
1950 |
constructor->obj_field_put(annotations_offset, value); |
|
1951 |
} |
|
1952 |
||
1953 |
bool java_lang_reflect_Constructor::has_parameter_annotations_field() { |
|
1954 |
return (parameter_annotations_offset >= 0); |
|
1955 |
} |
|
1956 |
||
1957 |
oop java_lang_reflect_Constructor::parameter_annotations(oop method) { |
|
1958 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1959 |
assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
|
1960 |
return method->obj_field(parameter_annotations_offset); |
|
1961 |
} |
|
1962 |
||
1963 |
void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { |
|
1964 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1965 |
assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
|
1966 |
method->obj_field_put(parameter_annotations_offset, value); |
|
1967 |
} |
|
1968 |
||
1969 |
void java_lang_reflect_Field::compute_offsets() { |
|
4571 | 1970 |
klassOop k = SystemDictionary::reflect_Field_klass(); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1971 |
compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1972 |
compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1973 |
compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1974 |
compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1975 |
compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
1 | 1976 |
// The generic signature and annotations fields are only present in 1.5 |
1977 |
signature_offset = -1; |
|
1978 |
annotations_offset = -1; |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1979 |
compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1980 |
compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
1 | 1981 |
} |
1982 |
||
1983 |
Handle java_lang_reflect_Field::create(TRAPS) { |
|
1984 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1985 |
Symbol* name = vmSymbols::java_lang_reflect_Field(); |
1 | 1986 |
klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
1987 |
instanceKlassHandle klass (THREAD, k); |
|
1988 |
// Ensure it is initialized |
|
1989 |
klass->initialize(CHECK_NH); |
|
1990 |
return klass->allocate_instance_handle(CHECK_NH); |
|
1991 |
} |
|
1992 |
||
1993 |
oop java_lang_reflect_Field::clazz(oop reflect) { |
|
1994 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1995 |
return reflect->obj_field(clazz_offset); |
|
1996 |
} |
|
1997 |
||
1998 |
void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { |
|
1999 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2000 |
reflect->obj_field_put(clazz_offset, value); |
|
2001 |
} |
|
2002 |
||
2003 |
oop java_lang_reflect_Field::name(oop field) { |
|
2004 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2005 |
return field->obj_field(name_offset); |
|
2006 |
} |
|
2007 |
||
2008 |
void java_lang_reflect_Field::set_name(oop field, oop value) { |
|
2009 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2010 |
field->obj_field_put(name_offset, value); |
|
2011 |
} |
|
2012 |
||
2013 |
oop java_lang_reflect_Field::type(oop field) { |
|
2014 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2015 |
return field->obj_field(type_offset); |
|
2016 |
} |
|
2017 |
||
2018 |
void java_lang_reflect_Field::set_type(oop field, oop value) { |
|
2019 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2020 |
field->obj_field_put(type_offset, value); |
|
2021 |
} |
|
2022 |
||
2023 |
int java_lang_reflect_Field::slot(oop reflect) { |
|
2024 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2025 |
return reflect->int_field(slot_offset); |
|
2026 |
} |
|
2027 |
||
2028 |
void java_lang_reflect_Field::set_slot(oop reflect, int value) { |
|
2029 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2030 |
reflect->int_field_put(slot_offset, value); |
|
2031 |
} |
|
2032 |
||
2033 |
int java_lang_reflect_Field::modifiers(oop field) { |
|
2034 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2035 |
return field->int_field(modifiers_offset); |
|
2036 |
} |
|
2037 |
||
2038 |
void java_lang_reflect_Field::set_modifiers(oop field, int value) { |
|
2039 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2040 |
field->int_field_put(modifiers_offset, value); |
|
2041 |
} |
|
2042 |
||
2043 |
bool java_lang_reflect_Field::has_signature_field() { |
|
2044 |
return (signature_offset >= 0); |
|
2045 |
} |
|
2046 |
||
2047 |
oop java_lang_reflect_Field::signature(oop field) { |
|
2048 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2049 |
assert(has_signature_field(), "signature field must be present"); |
|
2050 |
return field->obj_field(signature_offset); |
|
2051 |
} |
|
2052 |
||
2053 |
void java_lang_reflect_Field::set_signature(oop field, oop value) { |
|
2054 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2055 |
assert(has_signature_field(), "signature field must be present"); |
|
2056 |
field->obj_field_put(signature_offset, value); |
|
2057 |
} |
|
2058 |
||
2059 |
bool java_lang_reflect_Field::has_annotations_field() { |
|
2060 |
return (annotations_offset >= 0); |
|
2061 |
} |
|
2062 |
||
2063 |
oop java_lang_reflect_Field::annotations(oop field) { |
|
2064 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2065 |
assert(has_annotations_field(), "annotations field must be present"); |
|
2066 |
return field->obj_field(annotations_offset); |
|
2067 |
} |
|
2068 |
||
2069 |
void java_lang_reflect_Field::set_annotations(oop field, oop value) { |
|
2070 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2071 |
assert(has_annotations_field(), "annotations field must be present"); |
|
2072 |
field->obj_field_put(annotations_offset, value); |
|
2073 |
} |
|
2074 |
||
2075 |
||
2076 |
void sun_reflect_ConstantPool::compute_offsets() { |
|
4571 | 2077 |
klassOop k = SystemDictionary::reflect_ConstantPool_klass(); |
1 | 2078 |
// This null test can be removed post beta |
2079 |
if (k != NULL) { |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2080 |
compute_offset(_cp_oop_offset, k, vmSymbols::constantPoolOop_name(), vmSymbols::object_signature()); |
1 | 2081 |
} |
2082 |
} |
|
2083 |
||
2084 |
||
2085 |
Handle sun_reflect_ConstantPool::create(TRAPS) { |
|
2086 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
4571 | 2087 |
klassOop k = SystemDictionary::reflect_ConstantPool_klass(); |
1 | 2088 |
instanceKlassHandle klass (THREAD, k); |
2089 |
// Ensure it is initialized |
|
2090 |
klass->initialize(CHECK_NH); |
|
2091 |
return klass->allocate_instance_handle(CHECK_NH); |
|
2092 |
} |
|
2093 |
||
2094 |
||
2095 |
oop sun_reflect_ConstantPool::cp_oop(oop reflect) { |
|
2096 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2097 |
return reflect->obj_field(_cp_oop_offset); |
|
2098 |
} |
|
2099 |
||
2100 |
||
2101 |
void sun_reflect_ConstantPool::set_cp_oop(oop reflect, oop value) { |
|
2102 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2103 |
reflect->obj_field_put(_cp_oop_offset, value); |
|
2104 |
} |
|
2105 |
||
2106 |
void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { |
|
4571 | 2107 |
klassOop k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(); |
1 | 2108 |
// This null test can be removed post beta |
2109 |
if (k != NULL) { |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2110 |
compute_offset(_base_offset, k, |
1 | 2111 |
vmSymbols::base_name(), vmSymbols::object_signature()); |
2112 |
} |
|
2113 |
} |
|
2114 |
||
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2115 |
oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2116 |
klassOop k = SystemDictionary::box_klass(type); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2117 |
if (k == NULL) return NULL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2118 |
instanceKlassHandle h (THREAD, k); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2119 |
if (!h->is_initialized()) h->initialize(CHECK_0); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2120 |
return h->allocate_instance(THREAD); |
1 | 2121 |
} |
2122 |
||
2123 |
||
2124 |
oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2125 |
oop box = initialize_and_allocate(type, CHECK_0); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2126 |
if (box == NULL) return NULL; |
1 | 2127 |
switch (type) { |
2128 |
case T_BOOLEAN: |
|
2129 |
box->bool_field_put(value_offset, value->z); |
|
2130 |
break; |
|
2131 |
case T_CHAR: |
|
2132 |
box->char_field_put(value_offset, value->c); |
|
2133 |
break; |
|
2134 |
case T_FLOAT: |
|
2135 |
box->float_field_put(value_offset, value->f); |
|
2136 |
break; |
|
2137 |
case T_DOUBLE: |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2138 |
box->double_field_put(long_value_offset, value->d); |
1 | 2139 |
break; |
2140 |
case T_BYTE: |
|
2141 |
box->byte_field_put(value_offset, value->b); |
|
2142 |
break; |
|
2143 |
case T_SHORT: |
|
2144 |
box->short_field_put(value_offset, value->s); |
|
2145 |
break; |
|
2146 |
case T_INT: |
|
2147 |
box->int_field_put(value_offset, value->i); |
|
2148 |
break; |
|
2149 |
case T_LONG: |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2150 |
box->long_field_put(long_value_offset, value->j); |
1 | 2151 |
break; |
2152 |
default: |
|
2153 |
return NULL; |
|
2154 |
} |
|
2155 |
return box; |
|
2156 |
} |
|
2157 |
||
2158 |
||
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2159 |
BasicType java_lang_boxing_object::basic_type(oop box) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2160 |
if (box == NULL) return T_ILLEGAL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2161 |
BasicType type = SystemDictionary::box_klass_type(box->klass()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2162 |
if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2163 |
return T_ILLEGAL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2164 |
return type; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2165 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2166 |
|
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2167 |
|
1 | 2168 |
BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2169 |
BasicType type = SystemDictionary::box_klass_type(box->klass()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2170 |
switch (type) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2171 |
case T_BOOLEAN: |
1 | 2172 |
value->z = box->bool_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2173 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2174 |
case T_CHAR: |
1 | 2175 |
value->c = box->char_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2176 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2177 |
case T_FLOAT: |
1 | 2178 |
value->f = box->float_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2179 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2180 |
case T_DOUBLE: |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2181 |
value->d = box->double_field(long_value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2182 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2183 |
case T_BYTE: |
1 | 2184 |
value->b = box->byte_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2185 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2186 |
case T_SHORT: |
1 | 2187 |
value->s = box->short_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2188 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2189 |
case T_INT: |
1 | 2190 |
value->i = box->int_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2191 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2192 |
case T_LONG: |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2193 |
value->j = box->long_field(long_value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2194 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2195 |
default: |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2196 |
return T_ILLEGAL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2197 |
} // end switch |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2198 |
return type; |
1 | 2199 |
} |
2200 |
||
2201 |
||
2202 |
BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) { |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2203 |
BasicType type = SystemDictionary::box_klass_type(box->klass()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2204 |
switch (type) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2205 |
case T_BOOLEAN: |
1 | 2206 |
box->bool_field_put(value_offset, value->z); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2207 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2208 |
case T_CHAR: |
1 | 2209 |
box->char_field_put(value_offset, value->c); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2210 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2211 |
case T_FLOAT: |
1 | 2212 |
box->float_field_put(value_offset, value->f); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2213 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2214 |
case T_DOUBLE: |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2215 |
box->double_field_put(long_value_offset, value->d); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2216 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2217 |
case T_BYTE: |
1 | 2218 |
box->byte_field_put(value_offset, value->b); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2219 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2220 |
case T_SHORT: |
1 | 2221 |
box->short_field_put(value_offset, value->s); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2222 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2223 |
case T_INT: |
1 | 2224 |
box->int_field_put(value_offset, value->i); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2225 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2226 |
case T_LONG: |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2227 |
box->long_field_put(long_value_offset, value->j); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2228 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2229 |
default: |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2230 |
return T_ILLEGAL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2231 |
} // end switch |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2232 |
return type; |
1 | 2233 |
} |
2234 |
||
2235 |
||
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2236 |
void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream* st) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2237 |
switch (type) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2238 |
case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2239 |
case T_CHAR: st->print("%d", value->c); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2240 |
case T_BYTE: st->print("%d", value->b); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2241 |
case T_SHORT: st->print("%d", value->s); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2242 |
case T_INT: st->print("%d", value->i); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2243 |
case T_LONG: st->print(INT64_FORMAT, value->j); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2244 |
case T_FLOAT: st->print("%f", value->f); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2245 |
case T_DOUBLE: st->print("%lf", value->d); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2246 |
default: st->print("type %d?", type); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2247 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2248 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2249 |
|
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2250 |
|
1 | 2251 |
// Support for java_lang_ref_Reference |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2252 |
oop java_lang_ref_Reference::pending_list_lock() { |
4571 | 2253 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass()); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2254 |
address addr = ik->static_field_addr(static_lock_offset); |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2255 |
if (UseCompressedOops) { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2256 |
return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2257 |
} else { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2258 |
return oopDesc::load_decode_heap_oop((oop*)addr); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2259 |
} |
1 | 2260 |
} |
2261 |
||
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2262 |
HeapWord *java_lang_ref_Reference::pending_list_addr() { |
4571 | 2263 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass()); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2264 |
address addr = ik->static_field_addr(static_pending_offset); |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2265 |
// XXX This might not be HeapWord aligned, almost rather be char *. |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2266 |
return (HeapWord*)addr; |
1 | 2267 |
} |
2268 |
||
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2269 |
oop java_lang_ref_Reference::pending_list() { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2270 |
char *addr = (char *)pending_list_addr(); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2271 |
if (UseCompressedOops) { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2272 |
return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2273 |
} else { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2274 |
return oopDesc::load_decode_heap_oop((oop*)addr); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2275 |
} |
1 | 2276 |
} |
2277 |
||
2278 |
||
2279 |
// Support for java_lang_ref_SoftReference |
|
2280 |
||
2281 |
jlong java_lang_ref_SoftReference::timestamp(oop ref) { |
|
2282 |
return ref->long_field(timestamp_offset); |
|
2283 |
} |
|
2284 |
||
2285 |
jlong java_lang_ref_SoftReference::clock() { |
|
4571 | 2286 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass()); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2287 |
jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2288 |
return *offset; |
1 | 2289 |
} |
2290 |
||
2291 |
void java_lang_ref_SoftReference::set_clock(jlong value) { |
|
4571 | 2292 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass()); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2293 |
jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2294 |
*offset = value; |
1 | 2295 |
} |
2296 |
||
2297 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2298 |
// Support for java_lang_invoke_MethodHandle |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2299 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2300 |
int java_lang_invoke_MethodHandle::_type_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2301 |
int java_lang_invoke_MethodHandle::_vmtarget_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2302 |
int java_lang_invoke_MethodHandle::_vmentry_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2303 |
int java_lang_invoke_MethodHandle::_vmslots_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2304 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2305 |
int java_lang_invoke_MemberName::_clazz_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2306 |
int java_lang_invoke_MemberName::_name_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2307 |
int java_lang_invoke_MemberName::_type_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2308 |
int java_lang_invoke_MemberName::_flags_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2309 |
int java_lang_invoke_MemberName::_vmtarget_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2310 |
int java_lang_invoke_MemberName::_vmindex_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2311 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2312 |
int java_lang_invoke_DirectMethodHandle::_vmindex_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2313 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2314 |
int java_lang_invoke_BoundMethodHandle::_argument_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2315 |
int java_lang_invoke_BoundMethodHandle::_vmargslot_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2316 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2317 |
int java_lang_invoke_AdapterMethodHandle::_conversion_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2318 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2319 |
void java_lang_invoke_MethodHandle::compute_offsets() { |
2534 | 2320 |
klassOop k = SystemDictionary::MethodHandle_klass(); |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2321 |
if (k != NULL && EnableInvokeDynamic) { |
8675
e9fef2a9bef7
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
8076
diff
changeset
|
2322 |
bool allow_super = false; |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2323 |
compute_offset(_type_offset, k, vmSymbols::type_name(), vmSymbols::java_lang_invoke_MethodType_signature(), allow_super); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2324 |
compute_offset(_vmtarget_offset, k, vmSymbols::vmtarget_name(), vmSymbols::object_signature(), allow_super); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2325 |
compute_offset(_vmentry_offset, k, vmSymbols::vmentry_name(), vmSymbols::machine_word_signature(), allow_super); |
2534 | 2326 |
|
2327 |
// Note: MH.vmslots (if it is present) is a hoisted copy of MH.type.form.vmslots. |
|
2328 |
// It is optional pending experiments to keep or toss. |
|
8675
e9fef2a9bef7
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
8076
diff
changeset
|
2329 |
compute_optional_offset(_vmslots_offset, k, vmSymbols::vmslots_name(), vmSymbols::int_signature(), allow_super); |
2534 | 2330 |
} |
2331 |
} |
|
2332 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2333 |
void java_lang_invoke_MemberName::compute_offsets() { |
2534 | 2334 |
klassOop k = SystemDictionary::MemberName_klass(); |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2335 |
if (k != NULL && EnableInvokeDynamic) { |
2534 | 2336 |
compute_offset(_clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
2337 |
compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
|
2338 |
compute_offset(_type_offset, k, vmSymbols::type_name(), vmSymbols::object_signature()); |
|
2339 |
compute_offset(_flags_offset, k, vmSymbols::flags_name(), vmSymbols::int_signature()); |
|
2340 |
compute_offset(_vmtarget_offset, k, vmSymbols::vmtarget_name(), vmSymbols::object_signature()); |
|
2341 |
compute_offset(_vmindex_offset, k, vmSymbols::vmindex_name(), vmSymbols::int_signature()); |
|
2342 |
} |
|
2343 |
} |
|
2344 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2345 |
void java_lang_invoke_DirectMethodHandle::compute_offsets() { |
2534 | 2346 |
klassOop k = SystemDictionary::DirectMethodHandle_klass(); |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2347 |
if (k != NULL && EnableInvokeDynamic) { |
2534 | 2348 |
compute_offset(_vmindex_offset, k, vmSymbols::vmindex_name(), vmSymbols::int_signature(), true); |
2349 |
} |
|
2350 |
} |
|
2351 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2352 |
void java_lang_invoke_BoundMethodHandle::compute_offsets() { |
2534 | 2353 |
klassOop k = SystemDictionary::BoundMethodHandle_klass(); |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2354 |
if (k != NULL && EnableInvokeDynamic) { |
2534 | 2355 |
compute_offset(_vmargslot_offset, k, vmSymbols::vmargslot_name(), vmSymbols::int_signature(), true); |
2356 |
compute_offset(_argument_offset, k, vmSymbols::argument_name(), vmSymbols::object_signature(), true); |
|
2357 |
} |
|
2358 |
} |
|
2359 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2360 |
void java_lang_invoke_AdapterMethodHandle::compute_offsets() { |
2534 | 2361 |
klassOop k = SystemDictionary::AdapterMethodHandle_klass(); |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2362 |
if (k != NULL && EnableInvokeDynamic) { |
2534 | 2363 |
compute_offset(_conversion_offset, k, vmSymbols::conversion_name(), vmSymbols::int_signature(), true); |
2364 |
} |
|
2365 |
} |
|
2366 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2367 |
oop java_lang_invoke_MethodHandle::type(oop mh) { |
2534 | 2368 |
return mh->obj_field(_type_offset); |
2369 |
} |
|
2370 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2371 |
void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) { |
2534 | 2372 |
mh->obj_field_put(_type_offset, mtype); |
2373 |
} |
|
2374 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2375 |
int java_lang_invoke_MethodHandle::vmslots(oop mh) { |
2534 | 2376 |
int vmslots_offset = _vmslots_offset; |
2377 |
if (vmslots_offset != 0) { |
|
2378 |
#ifdef ASSERT |
|
2379 |
int x = mh->int_field(vmslots_offset); |
|
2380 |
int y = compute_vmslots(mh); |
|
2381 |
assert(x == y, "correct hoisted value"); |
|
2382 |
#endif |
|
2383 |
return mh->int_field(vmslots_offset); |
|
2384 |
} else { |
|
2385 |
return compute_vmslots(mh); |
|
2386 |
} |
|
2387 |
} |
|
2388 |
||
2389 |
// if MH.vmslots exists, hoist into it the value of type.form.vmslots |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2390 |
void java_lang_invoke_MethodHandle::init_vmslots(oop mh) { |
2534 | 2391 |
int vmslots_offset = _vmslots_offset; |
2392 |
if (vmslots_offset != 0) { |
|
2393 |
mh->int_field_put(vmslots_offset, compute_vmslots(mh)); |
|
2394 |
} |
|
2395 |
} |
|
2396 |
||
2397 |
// fetch type.form.vmslots, which is the number of JVM stack slots |
|
2398 |
// required to carry the arguments of this MH |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2399 |
int java_lang_invoke_MethodHandle::compute_vmslots(oop mh) { |
2534 | 2400 |
oop mtype = type(mh); |
2401 |
if (mtype == NULL) return 0; // Java code would get NPE |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2402 |
oop form = java_lang_invoke_MethodType::form(mtype); |
2534 | 2403 |
if (form == NULL) return 0; // Java code would get NPE |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2404 |
return java_lang_invoke_MethodTypeForm::vmslots(form); |
2534 | 2405 |
} |
2406 |
||
2407 |
// fetch the low-level entry point for this mh |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2408 |
MethodHandleEntry* java_lang_invoke_MethodHandle::vmentry(oop mh) { |
2534 | 2409 |
return (MethodHandleEntry*) mh->address_field(_vmentry_offset); |
2410 |
} |
|
2411 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2412 |
void java_lang_invoke_MethodHandle::set_vmentry(oop mh, MethodHandleEntry* me) { |
2534 | 2413 |
assert(_vmentry_offset != 0, "must be present"); |
2414 |
||
2415 |
// This is always the final step that initializes a valid method handle: |
|
2416 |
mh->release_address_field_put(_vmentry_offset, (address) me); |
|
2417 |
||
2418 |
// There should be enough memory barriers on exit from native methods |
|
2419 |
// to ensure that the MH is fully initialized to all threads before |
|
2420 |
// Java code can publish it in global data structures. |
|
2421 |
// But just in case, we use release_address_field_put. |
|
2422 |
} |
|
2423 |
||
2424 |
/// MemberName accessors |
|
2425 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2426 |
oop java_lang_invoke_MemberName::clazz(oop mname) { |
2534 | 2427 |
assert(is_instance(mname), "wrong type"); |
2428 |
return mname->obj_field(_clazz_offset); |
|
2429 |
} |
|
2430 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2431 |
void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) { |
2534 | 2432 |
assert(is_instance(mname), "wrong type"); |
2433 |
mname->obj_field_put(_clazz_offset, clazz); |
|
2434 |
} |
|
2435 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2436 |
oop java_lang_invoke_MemberName::name(oop mname) { |
2534 | 2437 |
assert(is_instance(mname), "wrong type"); |
2438 |
return mname->obj_field(_name_offset); |
|
2439 |
} |
|
2440 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2441 |
void java_lang_invoke_MemberName::set_name(oop mname, oop name) { |
2534 | 2442 |
assert(is_instance(mname), "wrong type"); |
2443 |
mname->obj_field_put(_name_offset, name); |
|
2444 |
} |
|
2445 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2446 |
oop java_lang_invoke_MemberName::type(oop mname) { |
2534 | 2447 |
assert(is_instance(mname), "wrong type"); |
2448 |
return mname->obj_field(_type_offset); |
|
2449 |
} |
|
2450 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2451 |
void java_lang_invoke_MemberName::set_type(oop mname, oop type) { |
2534 | 2452 |
assert(is_instance(mname), "wrong type"); |
2453 |
mname->obj_field_put(_type_offset, type); |
|
2454 |
} |
|
2455 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2456 |
int java_lang_invoke_MemberName::flags(oop mname) { |
2534 | 2457 |
assert(is_instance(mname), "wrong type"); |
2458 |
return mname->int_field(_flags_offset); |
|
2459 |
} |
|
2460 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2461 |
void java_lang_invoke_MemberName::set_flags(oop mname, int flags) { |
2534 | 2462 |
assert(is_instance(mname), "wrong type"); |
2463 |
mname->int_field_put(_flags_offset, flags); |
|
2464 |
} |
|
2465 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2466 |
oop java_lang_invoke_MemberName::vmtarget(oop mname) { |
2534 | 2467 |
assert(is_instance(mname), "wrong type"); |
2468 |
return mname->obj_field(_vmtarget_offset); |
|
2469 |
} |
|
2470 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2471 |
void java_lang_invoke_MemberName::set_vmtarget(oop mname, oop ref) { |
2534 | 2472 |
assert(is_instance(mname), "wrong type"); |
2473 |
mname->obj_field_put(_vmtarget_offset, ref); |
|
2474 |
} |
|
2475 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2476 |
int java_lang_invoke_MemberName::vmindex(oop mname) { |
2534 | 2477 |
assert(is_instance(mname), "wrong type"); |
2478 |
return mname->int_field(_vmindex_offset); |
|
2479 |
} |
|
2480 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2481 |
void java_lang_invoke_MemberName::set_vmindex(oop mname, int index) { |
2534 | 2482 |
assert(is_instance(mname), "wrong type"); |
2483 |
mname->int_field_put(_vmindex_offset, index); |
|
2484 |
} |
|
2485 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2486 |
oop java_lang_invoke_MethodHandle::vmtarget(oop mh) { |
2534 | 2487 |
assert(is_instance(mh), "MH only"); |
2488 |
return mh->obj_field(_vmtarget_offset); |
|
2489 |
} |
|
2490 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2491 |
void java_lang_invoke_MethodHandle::set_vmtarget(oop mh, oop ref) { |
2534 | 2492 |
assert(is_instance(mh), "MH only"); |
2493 |
mh->obj_field_put(_vmtarget_offset, ref); |
|
2494 |
} |
|
2495 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2496 |
int java_lang_invoke_DirectMethodHandle::vmindex(oop mh) { |
2534 | 2497 |
assert(is_instance(mh), "DMH only"); |
2498 |
return mh->int_field(_vmindex_offset); |
|
2499 |
} |
|
2500 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2501 |
void java_lang_invoke_DirectMethodHandle::set_vmindex(oop mh, int index) { |
2534 | 2502 |
assert(is_instance(mh), "DMH only"); |
2503 |
mh->int_field_put(_vmindex_offset, index); |
|
2504 |
} |
|
2505 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2506 |
int java_lang_invoke_BoundMethodHandle::vmargslot(oop mh) { |
2534 | 2507 |
assert(is_instance(mh), "BMH only"); |
2508 |
return mh->int_field(_vmargslot_offset); |
|
2509 |
} |
|
2510 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2511 |
oop java_lang_invoke_BoundMethodHandle::argument(oop mh) { |
2534 | 2512 |
assert(is_instance(mh), "BMH only"); |
2513 |
return mh->obj_field(_argument_offset); |
|
2514 |
} |
|
2515 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2516 |
int java_lang_invoke_AdapterMethodHandle::conversion(oop mh) { |
2534 | 2517 |
assert(is_instance(mh), "AMH only"); |
2518 |
return mh->int_field(_conversion_offset); |
|
2519 |
} |
|
2520 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2521 |
void java_lang_invoke_AdapterMethodHandle::set_conversion(oop mh, int conv) { |
2534 | 2522 |
assert(is_instance(mh), "AMH only"); |
2523 |
mh->int_field_put(_conversion_offset, conv); |
|
2524 |
} |
|
2525 |
||
2526 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2527 |
// Support for java_lang_invoke_MethodType |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2528 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2529 |
int java_lang_invoke_MethodType::_rtype_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2530 |
int java_lang_invoke_MethodType::_ptypes_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2531 |
int java_lang_invoke_MethodType::_form_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2532 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2533 |
void java_lang_invoke_MethodType::compute_offsets() { |
2534 | 2534 |
klassOop k = SystemDictionary::MethodType_klass(); |
2535 |
if (k != NULL) { |
|
2536 |
compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature()); |
|
2537 |
compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature()); |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2538 |
compute_offset(_form_offset, k, vmSymbols::form_name(), vmSymbols::java_lang_invoke_MethodTypeForm_signature()); |
2534 | 2539 |
} |
2540 |
} |
|
2541 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2542 |
void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) { |
2534 | 2543 |
st->print("("); |
2544 |
objArrayOop pts = ptypes(mt); |
|
2545 |
for (int i = 0, limit = pts->length(); i < limit; i++) { |
|
2546 |
java_lang_Class::print_signature(pts->obj_at(i), st); |
|
2547 |
} |
|
2548 |
st->print(")"); |
|
2549 |
java_lang_Class::print_signature(rtype(mt), st); |
|
2550 |
} |
|
2551 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2552 |
Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) { |
2534 | 2553 |
ResourceMark rm; |
2554 |
stringStream buffer(128); |
|
2555 |
print_signature(mt, &buffer); |
|
2556 |
const char* sigstr = buffer.base(); |
|
2557 |
int siglen = (int) buffer.size(); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2558 |
Symbol *name; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2559 |
if (!intern_if_not_found) { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2560 |
name = SymbolTable::probe(sigstr, siglen); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2561 |
} else { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2562 |
name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2563 |
} |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2564 |
return name; |
2534 | 2565 |
} |
2566 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2567 |
oop java_lang_invoke_MethodType::rtype(oop mt) { |
2534 | 2568 |
assert(is_instance(mt), "must be a MethodType"); |
2569 |
return mt->obj_field(_rtype_offset); |
|
2570 |
} |
|
2571 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2572 |
objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) { |
2534 | 2573 |
assert(is_instance(mt), "must be a MethodType"); |
2574 |
return (objArrayOop) mt->obj_field(_ptypes_offset); |
|
2575 |
} |
|
2576 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2577 |
oop java_lang_invoke_MethodType::form(oop mt) { |
2534 | 2578 |
assert(is_instance(mt), "must be a MethodType"); |
2579 |
return mt->obj_field(_form_offset); |
|
2580 |
} |
|
2581 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2582 |
oop java_lang_invoke_MethodType::ptype(oop mt, int idx) { |
2534 | 2583 |
return ptypes(mt)->obj_at(idx); |
2584 |
} |
|
2585 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2586 |
int java_lang_invoke_MethodType::ptype_count(oop mt) { |
4562
5d93cb2d2090
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
4466
diff
changeset
|
2587 |
return ptypes(mt)->length(); |
5d93cb2d2090
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
4466
diff
changeset
|
2588 |
} |
5d93cb2d2090
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
4466
diff
changeset
|
2589 |
|
2534 | 2590 |
|
2591 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2592 |
// Support for java_lang_invoke_MethodTypeForm |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2593 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2594 |
int java_lang_invoke_MethodTypeForm::_vmslots_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2595 |
int java_lang_invoke_MethodTypeForm::_erasedType_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2596 |
int java_lang_invoke_MethodTypeForm::_genericInvoker_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2597 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2598 |
void java_lang_invoke_MethodTypeForm::compute_offsets() { |
2534 | 2599 |
klassOop k = SystemDictionary::MethodTypeForm_klass(); |
2600 |
if (k != NULL) { |
|
2601 |
compute_optional_offset(_vmslots_offset, k, vmSymbols::vmslots_name(), vmSymbols::int_signature(), true); |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2602 |
compute_optional_offset(_erasedType_offset, k, vmSymbols::erasedType_name(), vmSymbols::java_lang_invoke_MethodType_signature(), true); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2603 |
compute_optional_offset(_genericInvoker_offset, k, vmSymbols::genericInvoker_name(), vmSymbols::java_lang_invoke_MethodHandle_signature(), true); |
6463
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2604 |
if (_genericInvoker_offset == 0) _genericInvoker_offset = -1; // set to explicit "empty" value |
2534 | 2605 |
} |
2606 |
} |
|
2607 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2608 |
int java_lang_invoke_MethodTypeForm::vmslots(oop mtform) { |
2534 | 2609 |
assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); |
2610 |
return mtform->int_field(_vmslots_offset); |
|
2611 |
} |
|
2612 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2613 |
oop java_lang_invoke_MethodTypeForm::erasedType(oop mtform) { |
2534 | 2614 |
assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); |
2615 |
return mtform->obj_field(_erasedType_offset); |
|
2616 |
} |
|
2617 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2618 |
oop java_lang_invoke_MethodTypeForm::genericInvoker(oop mtform) { |
6463
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2619 |
assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); |
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2620 |
return mtform->obj_field(_genericInvoker_offset); |
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2621 |
} |
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2622 |
|
2534 | 2623 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2624 |
// Support for java_lang_invoke_CallSite |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2625 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2626 |
int java_lang_invoke_CallSite::_target_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2627 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2628 |
void java_lang_invoke_CallSite::compute_offsets() { |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2629 |
if (!EnableInvokeDynamic) return; |
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3796
diff
changeset
|
2630 |
klassOop k = SystemDictionary::CallSite_klass(); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2631 |
if (k != NULL) { |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2632 |
compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature()); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2633 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2634 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2635 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2636 |
oop java_lang_invoke_CallSite::target(oop site) { |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2637 |
return site->obj_field(_target_offset); |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2638 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2639 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2640 |
void java_lang_invoke_CallSite::set_target(oop site, oop target) { |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2641 |
site->obj_field_put(_target_offset, target); |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2642 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2643 |
|
2534 | 2644 |
|
1 | 2645 |
// Support for java_security_AccessControlContext |
2646 |
||
2647 |
int java_security_AccessControlContext::_context_offset = 0; |
|
2648 |
int java_security_AccessControlContext::_privilegedContext_offset = 0; |
|
2649 |
int java_security_AccessControlContext::_isPrivileged_offset = 0; |
|
2650 |
||
2651 |
void java_security_AccessControlContext::compute_offsets() { |
|
2652 |
assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); |
|
2653 |
fieldDescriptor fd; |
|
2654 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::AccessControlContext_klass()); |
|
2655 |
||
2656 |
if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { |
|
2657 |
fatal("Invalid layout of java.security.AccessControlContext"); |
|
2658 |
} |
|
2659 |
_context_offset = fd.offset(); |
|
2660 |
||
2661 |
if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { |
|
2662 |
fatal("Invalid layout of java.security.AccessControlContext"); |
|
2663 |
} |
|
2664 |
_privilegedContext_offset = fd.offset(); |
|
2665 |
||
2666 |
if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { |
|
2667 |
fatal("Invalid layout of java.security.AccessControlContext"); |
|
2668 |
} |
|
2669 |
_isPrivileged_offset = fd.offset(); |
|
2670 |
} |
|
2671 |
||
2672 |
||
2673 |
oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { |
|
2674 |
assert(_isPrivileged_offset != 0, "offsets should have been initialized"); |
|
2675 |
// Ensure klass is initialized |
|
2676 |
instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); |
|
2677 |
// Allocate result |
|
2678 |
oop result = instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); |
|
2679 |
// Fill in values |
|
2680 |
result->obj_field_put(_context_offset, context()); |
|
2681 |
result->obj_field_put(_privilegedContext_offset, privileged_context()); |
|
2682 |
result->bool_field_put(_isPrivileged_offset, isPrivileged); |
|
2683 |
return result; |
|
2684 |
} |
|
2685 |
||
2686 |
||
2687 |
// Support for java_lang_ClassLoader |
|
2688 |
||
2689 |
oop java_lang_ClassLoader::parent(oop loader) { |
|
2690 |
assert(loader->is_oop(), "loader must be oop"); |
|
2691 |
return loader->obj_field(parent_offset); |
|
2692 |
} |
|
2693 |
||
2694 |
||
2695 |
bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
|
2696 |
// Fix for 4474172; see evaluation for more details |
|
2697 |
loader = non_reflection_class_loader(loader); |
|
2698 |
||
2699 |
oop cl = SystemDictionary::java_system_loader(); |
|
2700 |
while(cl != NULL) { |
|
2701 |
if (cl == loader) return true; |
|
2702 |
cl = parent(cl); |
|
2703 |
} |
|
2704 |
return false; |
|
2705 |
} |
|
2706 |
||
2707 |
oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { |
|
2708 |
if (loader != NULL) { |
|
2709 |
// See whether this is one of the class loaders associated with |
|
2710 |
// the generated bytecodes for reflection, and if so, "magically" |
|
2711 |
// delegate to its parent to prevent class loading from occurring |
|
2712 |
// in places where applications using reflection didn't expect it. |
|
4571 | 2713 |
klassOop delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass(); |
1 | 2714 |
// This might be null in non-1.4 JDKs |
2715 |
if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { |
|
2716 |
return parent(loader); |
|
2717 |
} |
|
2718 |
} |
|
2719 |
return loader; |
|
2720 |
} |
|
2721 |
||
2722 |
||
2723 |
// Support for java_lang_System |
|
2724 |
int java_lang_System::in_offset_in_bytes() { |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2725 |
return (instanceMirrorKlass::offset_of_static_fields() + static_in_offset); |
1 | 2726 |
} |
2727 |
||
2728 |
||
2729 |
int java_lang_System::out_offset_in_bytes() { |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2730 |
return (instanceMirrorKlass::offset_of_static_fields() + static_out_offset); |
1 | 2731 |
} |
2732 |
||
2733 |
||
2734 |
int java_lang_System::err_offset_in_bytes() { |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2735 |
return (instanceMirrorKlass::offset_of_static_fields() + static_err_offset); |
1 | 2736 |
} |
2737 |
||
2738 |
||
2739 |
||
2740 |
int java_lang_String::value_offset; |
|
2741 |
int java_lang_String::offset_offset; |
|
2742 |
int java_lang_String::count_offset; |
|
2743 |
int java_lang_String::hash_offset; |
|
2744 |
int java_lang_Class::klass_offset; |
|
2745 |
int java_lang_Class::array_klass_offset; |
|
2746 |
int java_lang_Class::resolved_constructor_offset; |
|
2747 |
int java_lang_Class::number_of_fake_oop_fields; |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2748 |
int java_lang_Class::oop_size_offset; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2749 |
int java_lang_Class::static_oop_field_count_offset; |
1 | 2750 |
int java_lang_Throwable::backtrace_offset; |
2751 |
int java_lang_Throwable::detailMessage_offset; |
|
2752 |
int java_lang_Throwable::cause_offset; |
|
2753 |
int java_lang_Throwable::stackTrace_offset; |
|
2754 |
int java_lang_reflect_AccessibleObject::override_offset; |
|
2755 |
int java_lang_reflect_Method::clazz_offset; |
|
2756 |
int java_lang_reflect_Method::name_offset; |
|
2757 |
int java_lang_reflect_Method::returnType_offset; |
|
2758 |
int java_lang_reflect_Method::parameterTypes_offset; |
|
2759 |
int java_lang_reflect_Method::exceptionTypes_offset; |
|
2760 |
int java_lang_reflect_Method::slot_offset; |
|
2761 |
int java_lang_reflect_Method::modifiers_offset; |
|
2762 |
int java_lang_reflect_Method::signature_offset; |
|
2763 |
int java_lang_reflect_Method::annotations_offset; |
|
2764 |
int java_lang_reflect_Method::parameter_annotations_offset; |
|
2765 |
int java_lang_reflect_Method::annotation_default_offset; |
|
2766 |
int java_lang_reflect_Constructor::clazz_offset; |
|
2767 |
int java_lang_reflect_Constructor::parameterTypes_offset; |
|
2768 |
int java_lang_reflect_Constructor::exceptionTypes_offset; |
|
2769 |
int java_lang_reflect_Constructor::slot_offset; |
|
2770 |
int java_lang_reflect_Constructor::modifiers_offset; |
|
2771 |
int java_lang_reflect_Constructor::signature_offset; |
|
2772 |
int java_lang_reflect_Constructor::annotations_offset; |
|
2773 |
int java_lang_reflect_Constructor::parameter_annotations_offset; |
|
2774 |
int java_lang_reflect_Field::clazz_offset; |
|
2775 |
int java_lang_reflect_Field::name_offset; |
|
2776 |
int java_lang_reflect_Field::type_offset; |
|
2777 |
int java_lang_reflect_Field::slot_offset; |
|
2778 |
int java_lang_reflect_Field::modifiers_offset; |
|
2779 |
int java_lang_reflect_Field::signature_offset; |
|
2780 |
int java_lang_reflect_Field::annotations_offset; |
|
2781 |
int java_lang_boxing_object::value_offset; |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2782 |
int java_lang_boxing_object::long_value_offset; |
1 | 2783 |
int java_lang_ref_Reference::referent_offset; |
2784 |
int java_lang_ref_Reference::queue_offset; |
|
2785 |
int java_lang_ref_Reference::next_offset; |
|
2786 |
int java_lang_ref_Reference::discovered_offset; |
|
2787 |
int java_lang_ref_Reference::static_lock_offset; |
|
2788 |
int java_lang_ref_Reference::static_pending_offset; |
|
2789 |
int java_lang_ref_Reference::number_of_fake_oop_fields; |
|
2790 |
int java_lang_ref_SoftReference::timestamp_offset; |
|
2791 |
int java_lang_ref_SoftReference::static_clock_offset; |
|
2792 |
int java_lang_ClassLoader::parent_offset; |
|
2793 |
int java_lang_System::static_in_offset; |
|
2794 |
int java_lang_System::static_out_offset; |
|
2795 |
int java_lang_System::static_err_offset; |
|
2796 |
int java_lang_StackTraceElement::declaringClass_offset; |
|
2797 |
int java_lang_StackTraceElement::methodName_offset; |
|
2798 |
int java_lang_StackTraceElement::fileName_offset; |
|
2799 |
int java_lang_StackTraceElement::lineNumber_offset; |
|
2800 |
int java_lang_AssertionStatusDirectives::classes_offset; |
|
2801 |
int java_lang_AssertionStatusDirectives::classEnabled_offset; |
|
2802 |
int java_lang_AssertionStatusDirectives::packages_offset; |
|
2803 |
int java_lang_AssertionStatusDirectives::packageEnabled_offset; |
|
2804 |
int java_lang_AssertionStatusDirectives::deflt_offset; |
|
2805 |
int java_nio_Buffer::_limit_offset; |
|
2806 |
int sun_misc_AtomicLongCSImpl::_value_offset; |
|
2807 |
int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; |
|
2808 |
int sun_reflect_ConstantPool::_cp_oop_offset; |
|
2809 |
int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; |
|
2810 |
||
2811 |
||
2812 |
// Support for java_lang_StackTraceElement |
|
2813 |
||
2814 |
void java_lang_StackTraceElement::set_fileName(oop element, oop value) { |
|
2815 |
element->obj_field_put(fileName_offset, value); |
|
2816 |
} |
|
2817 |
||
2818 |
void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { |
|
2819 |
element->obj_field_put(declaringClass_offset, value); |
|
2820 |
} |
|
2821 |
||
2822 |
void java_lang_StackTraceElement::set_methodName(oop element, oop value) { |
|
2823 |
element->obj_field_put(methodName_offset, value); |
|
2824 |
} |
|
2825 |
||
2826 |
void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { |
|
2827 |
element->int_field_put(lineNumber_offset, value); |
|
2828 |
} |
|
2829 |
||
2830 |
||
2831 |
// Support for java Assertions - java_lang_AssertionStatusDirectives. |
|
2832 |
||
2833 |
void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { |
|
2834 |
o->obj_field_put(classes_offset, val); |
|
2835 |
} |
|
2836 |
||
2837 |
void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { |
|
2838 |
o->obj_field_put(classEnabled_offset, val); |
|
2839 |
} |
|
2840 |
||
2841 |
void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { |
|
2842 |
o->obj_field_put(packages_offset, val); |
|
2843 |
} |
|
2844 |
||
2845 |
void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { |
|
2846 |
o->obj_field_put(packageEnabled_offset, val); |
|
2847 |
} |
|
2848 |
||
2849 |
void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { |
|
2850 |
o->bool_field_put(deflt_offset, val); |
|
2851 |
} |
|
2852 |
||
2853 |
||
2854 |
// Support for intrinsification of java.nio.Buffer.checkIndex |
|
2855 |
int java_nio_Buffer::limit_offset() { |
|
2856 |
return _limit_offset; |
|
2857 |
} |
|
2858 |
||
2859 |
||
2860 |
void java_nio_Buffer::compute_offsets() { |
|
2861 |
klassOop k = SystemDictionary::java_nio_Buffer_klass(); |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2862 |
assert(k != NULL, "must be loaded in 1.4+"); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2863 |
compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
1 | 2864 |
} |
2865 |
||
2866 |
// Support for intrinsification of sun.misc.AtomicLongCSImpl.attemptUpdate |
|
2867 |
int sun_misc_AtomicLongCSImpl::value_offset() { |
|
2868 |
assert(SystemDictionary::sun_misc_AtomicLongCSImpl_klass() != NULL, "can't call this"); |
|
2869 |
return _value_offset; |
|
2870 |
} |
|
2871 |
||
2872 |
||
2873 |
void sun_misc_AtomicLongCSImpl::compute_offsets() { |
|
2874 |
klassOop k = SystemDictionary::sun_misc_AtomicLongCSImpl_klass(); |
|
2875 |
// If this class is not present, its value field offset won't be referenced. |
|
2876 |
if (k != NULL) { |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2877 |
compute_offset(_value_offset, k, vmSymbols::value_name(), vmSymbols::long_signature()); |
1 | 2878 |
} |
2879 |
} |
|
2880 |
||
2881 |
void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { |
|
2882 |
if (_owner_offset != 0) return; |
|
2883 |
||
2884 |
assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); |
|
2885 |
SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); |
|
2886 |
klassOop k = SystemDictionary::abstract_ownable_synchronizer_klass(); |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2887 |
compute_offset(_owner_offset, k, |
1 | 2888 |
vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
2889 |
} |
|
2890 |
||
2891 |
oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { |
|
2892 |
assert(_owner_offset != 0, "Must be initialized"); |
|
2893 |
return obj->obj_field(_owner_offset); |
|
2894 |
} |
|
2895 |
||
2896 |
// Compute hard-coded offsets |
|
2897 |
// Invoked before SystemDictionary::initialize, so pre-loaded classes |
|
2898 |
// are not available to determine the offset_of_static_fields. |
|
2899 |
void JavaClasses::compute_hard_coded_offsets() { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2900 |
const int x = heapOopSize; |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2901 |
const int header = instanceOopDesc::base_offset_in_bytes(); |
1 | 2902 |
|
2903 |
// Do the String Class |
|
2904 |
java_lang_String::value_offset = java_lang_String::hc_value_offset * x + header; |
|
2905 |
java_lang_String::offset_offset = java_lang_String::hc_offset_offset * x + header; |
|
2906 |
java_lang_String::count_offset = java_lang_String::offset_offset + sizeof (jint); |
|
2907 |
java_lang_String::hash_offset = java_lang_String::count_offset + sizeof (jint); |
|
2908 |
||
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2909 |
{ |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2910 |
// Do the Class Class |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2911 |
int offset = header; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2912 |
java_lang_Class::oop_size_offset = header; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2913 |
offset += BytesPerInt; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2914 |
java_lang_Class::static_oop_field_count_offset = offset; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2915 |
offset = align_size_up(offset + BytesPerInt, x); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2916 |
java_lang_Class::klass_offset = offset; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2917 |
offset += x; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2918 |
java_lang_Class::array_klass_offset = offset; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2919 |
offset += x; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2920 |
java_lang_Class::resolved_constructor_offset = offset; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2921 |
} |
1 | 2922 |
|
2923 |
// This is NOT an offset |
|
2924 |
java_lang_Class::number_of_fake_oop_fields = java_lang_Class::hc_number_of_fake_oop_fields; |
|
2925 |
||
2926 |
// Throwable Class |
|
2927 |
java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; |
|
2928 |
java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; |
|
2929 |
java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; |
|
2930 |
java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header; |
|
2931 |
||
2932 |
// java_lang_boxing_object |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2933 |
java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header; |
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2934 |
java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
1 | 2935 |
|
2936 |
// java_lang_ref_Reference: |
|
2937 |
java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; |
|
2938 |
java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; |
|
2939 |
java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; |
|
2940 |
java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; |
|
2941 |
java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; |
|
2942 |
java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; |
|
2943 |
// Artificial fields for java_lang_ref_Reference |
|
2944 |
// The first field is for the discovered field added in 1.4 |
|
2945 |
java_lang_ref_Reference::number_of_fake_oop_fields = 1; |
|
2946 |
||
2947 |
// java_lang_ref_SoftReference Class |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2948 |
java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
1 | 2949 |
// Don't multiply static fields because they are always in wordSize units |
2950 |
java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; |
|
2951 |
||
2952 |
// java_lang_ClassLoader |
|
2953 |
java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; |
|
2954 |
||
2955 |
// java_lang_System |
|
2956 |
java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; |
|
2957 |
java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; |
|
2958 |
java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; |
|
2959 |
||
2960 |
// java_lang_StackTraceElement |
|
2961 |
java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; |
|
2962 |
java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; |
|
2963 |
java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; |
|
2964 |
java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; |
|
2965 |
java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; |
|
2966 |
java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; |
|
2967 |
java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; |
|
2968 |
java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; |
|
2969 |
java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; |
|
2970 |
||
2971 |
} |
|
2972 |
||
2973 |
||
2974 |
// Compute non-hard-coded field offsets of all the classes in this file |
|
2975 |
void JavaClasses::compute_offsets() { |
|
2976 |
||
2977 |
java_lang_Class::compute_offsets(); |
|
2978 |
java_lang_Thread::compute_offsets(); |
|
2979 |
java_lang_ThreadGroup::compute_offsets(); |
|
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2980 |
if (EnableInvokeDynamic) { |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2981 |
java_lang_invoke_MethodHandle::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2982 |
java_lang_invoke_MemberName::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2983 |
java_lang_invoke_DirectMethodHandle::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2984 |
java_lang_invoke_BoundMethodHandle::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2985 |
java_lang_invoke_AdapterMethodHandle::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2986 |
java_lang_invoke_MethodType::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2987 |
java_lang_invoke_MethodTypeForm::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2988 |
java_lang_invoke_CallSite::compute_offsets(); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2989 |
} |
1 | 2990 |
java_security_AccessControlContext::compute_offsets(); |
2991 |
// Initialize reflection classes. The layouts of these classes |
|
2992 |
// changed with the new reflection implementation in JDK 1.4, and |
|
2993 |
// since the Universe doesn't know what JDK version it is until this |
|
2994 |
// point we defer computation of these offsets until now. |
|
2995 |
java_lang_reflect_AccessibleObject::compute_offsets(); |
|
2996 |
java_lang_reflect_Method::compute_offsets(); |
|
2997 |
java_lang_reflect_Constructor::compute_offsets(); |
|
2998 |
java_lang_reflect_Field::compute_offsets(); |
|
2999 |
if (JDK_Version::is_gte_jdk14x_version()) { |
|
3000 |
java_nio_Buffer::compute_offsets(); |
|
3001 |
} |
|
3002 |
if (JDK_Version::is_gte_jdk15x_version()) { |
|
3003 |
sun_reflect_ConstantPool::compute_offsets(); |
|
3004 |
sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); |
|
3005 |
} |
|
3006 |
sun_misc_AtomicLongCSImpl::compute_offsets(); |
|
2534 | 3007 |
|
3008 |
// generated interpreter code wants to know about the offsets we just computed: |
|
3009 |
AbstractAssembler::update_delayed_values(); |
|
1 | 3010 |
} |
3011 |
||
3012 |
#ifndef PRODUCT |
|
3013 |
||
3014 |
// These functions exist to assert the validity of hard-coded field offsets to guard |
|
3015 |
// against changes in the class files |
|
3016 |
||
3017 |
bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { |
|
3018 |
EXCEPTION_MARK; |
|
3019 |
fieldDescriptor fd; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3020 |
TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
1 | 3021 |
klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
3022 |
instanceKlassHandle h_klass (THREAD, k); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3023 |
TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3024 |
TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3025 |
if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
1 | 3026 |
tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
3027 |
return false; |
|
3028 |
} |
|
3029 |
if (fd.is_static()) { |
|
3030 |
tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); |
|
3031 |
return false; |
|
3032 |
} |
|
3033 |
if (fd.offset() == hardcoded_offset ) { |
|
3034 |
return true; |
|
3035 |
} else { |
|
3036 |
tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", |
|
3037 |
klass_name, field_name, hardcoded_offset, fd.offset()); |
|
3038 |
return false; |
|
3039 |
} |
|
3040 |
} |
|
3041 |
||
3042 |
||
3043 |
bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { |
|
3044 |
EXCEPTION_MARK; |
|
3045 |
fieldDescriptor fd; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3046 |
TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
1 | 3047 |
klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
3048 |
instanceKlassHandle h_klass (THREAD, k); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3049 |
TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3050 |
TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3051 |
if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
1 | 3052 |
tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
3053 |
return false; |
|
3054 |
} |
|
3055 |
if (!fd.is_static()) { |
|
3056 |
tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); |
|
3057 |
return false; |
|
3058 |
} |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
3059 |
if (fd.offset() == hardcoded_offset + instanceMirrorKlass::offset_of_static_fields()) { |
1 | 3060 |
return true; |
3061 |
} else { |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
3062 |
tty->print_cr("Offset of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_offset, fd.offset() - instanceMirrorKlass::offset_of_static_fields()); |
1 | 3063 |
return false; |
3064 |
} |
|
3065 |
} |
|
3066 |
||
3067 |
||
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3068 |
bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3069 |
EXCEPTION_MARK; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3070 |
fieldDescriptor fd; |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3071 |
TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3072 |
klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3073 |
instanceKlassHandle h_klass (THREAD, k); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3074 |
TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3075 |
TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3076 |
if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3077 |
tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3078 |
return false; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3079 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3080 |
if (!fd.is_static() || !fd.has_initial_value()) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3081 |
tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3082 |
return false; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3083 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3084 |
if (!fd.initial_value_tag().is_int()) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3085 |
tty->print_cr("Static field %s.%s is not an int", klass_name, field_name); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3086 |
return false; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3087 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3088 |
jint field_value = fd.int_initial_value(); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3089 |
if (field_value == hardcoded_constant) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3090 |
return true; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3091 |
} else { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3092 |
tty->print_cr("Constant value of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_constant, field_value); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3093 |
return false; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3094 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3095 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3096 |
|
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3097 |
|
1 | 3098 |
// Check the hard-coded field offsets of all the classes in this file |
3099 |
||
3100 |
void JavaClasses::check_offsets() { |
|
3101 |
bool valid = true; |
|
3102 |
||
3103 |
#define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
|
3104 |
valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) |
|
3105 |
||
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3106 |
#define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3107 |
valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig) |
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3108 |
|
1 | 3109 |
#define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
3110 |
valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) |
|
3111 |
||
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3112 |
#define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \ |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3113 |
valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig) |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3114 |
|
1 | 3115 |
// java.lang.String |
3116 |
||
3117 |
CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); |
|
3118 |
CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); |
|
3119 |
CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); |
|
3120 |
CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); |
|
3121 |
||
3122 |
// java.lang.Class |
|
3123 |
||
3124 |
// Fake fields |
|
3125 |
// CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked |
|
3126 |
// CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked |
|
3127 |
// CHECK_OFFSET("java/lang/Class", java_lang_Class, resolved_constructor); // %%% this needs to be checked |
|
3128 |
||
3129 |
// java.lang.Throwable |
|
3130 |
||
3131 |
CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); |
|
3132 |
CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); |
|
3133 |
CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); |
|
3134 |
CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); |
|
3135 |
||
3136 |
// Boxed primitive objects (java_lang_boxing_object) |
|
3137 |
||
3138 |
CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); |
|
3139 |
CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); |
|
3140 |
CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3141 |
CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
1 | 3142 |
CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
3143 |
CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); |
|
3144 |
CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3145 |
CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
1 | 3146 |
|
3147 |
// java.lang.ClassLoader |
|
3148 |
||
3149 |
CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); |
|
3150 |
||
3151 |
// java.lang.System |
|
3152 |
||
3153 |
CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); |
|
3154 |
CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); |
|
3155 |
CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); |
|
3156 |
||
3157 |
// java.lang.StackTraceElement |
|
3158 |
||
3159 |
CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); |
|
3160 |
CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); |
|
3161 |
CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); |
|
3162 |
CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); |
|
3163 |
||
3164 |
// java.lang.ref.Reference |
|
3165 |
||
3166 |
CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); |
|
3167 |
CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); |
|
3168 |
CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); |
|
3169 |
// Fake field |
|
3170 |
//CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); |
|
3171 |
CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); |
|
3172 |
CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); |
|
3173 |
||
3174 |
// java.lang.ref.SoftReference |
|
3175 |
||
3176 |
CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); |
|
3177 |
CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); |
|
3178 |
||
3179 |
// java.lang.AssertionStatusDirectives |
|
3180 |
// |
|
3181 |
// The CheckAssertionStatusDirectives boolean can be removed from here and |
|
3182 |
// globals.hpp after the AssertionStatusDirectives class has been integrated |
|
3183 |
// into merlin "for some time." Without it, the vm will fail with early |
|
3184 |
// merlin builds. |
|
3185 |
||
3186 |
if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { |
|
3187 |
const char* nm = "java/lang/AssertionStatusDirectives"; |
|
3188 |
const char* sig = "[Ljava/lang/String;"; |
|
3189 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); |
|
3190 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); |
|
3191 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); |
|
3192 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); |
|
3193 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); |
|
3194 |
} |
|
3195 |
||
3196 |
if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); |
|
3197 |
} |
|
3198 |
||
3199 |
#endif // PRODUCT |
|
3200 |
||
3201 |
void javaClasses_init() { |
|
3202 |
JavaClasses::compute_offsets(); |
|
3203 |
JavaClasses::check_offsets(); |
|
3204 |
FilteredFieldsMap::initialize(); // must be done after computing offsets. |
|
3205 |
} |