Mercurial > hg > truffle
annotate src/share/vm/oops/method.cpp @ 13409:77b028ba548c
8028396: Minimal VM: undefined symbol: _ZN23JvmtiCurrentBreakpoints11metadata_doEPFvP8MetadataE
Summary: Minimal VM doesn't run
Reviewed-by: coleenp, dholmes
author | jprovino |
---|---|
date | Tue, 19 Nov 2013 16:26:54 -0500 |
parents | bd3237e0e18d |
children | 096c224171c4 606acabe7b5c |
rev | line source |
---|---|
0 | 1 /* |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7470
diff
changeset
|
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1515
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1515
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1515
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7470
diff
changeset
|
26 #include "classfile/metadataOnStackMark.hpp" |
1972 | 27 #include "classfile/systemDictionary.hpp" |
28 #include "code/debugInfoRec.hpp" | |
29 #include "gc_interface/collectedHeap.inline.hpp" | |
30 #include "interpreter/bytecodeStream.hpp" | |
31 #include "interpreter/bytecodeTracer.hpp" | |
32 #include "interpreter/bytecodes.hpp" | |
33 #include "interpreter/interpreter.hpp" | |
34 #include "interpreter/oopMapCache.hpp" | |
35 #include "memory/gcLocker.hpp" | |
36 #include "memory/generation.hpp" | |
7956 | 37 #include "memory/heapInspection.hpp" |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
38 #include "memory/metadataFactory.hpp" |
1972 | 39 #include "memory/oopFactory.hpp" |
6934 | 40 #include "oops/constMethod.hpp" |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
41 #include "oops/methodData.hpp" |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
42 #include "oops/method.hpp" |
1972 | 43 #include "oops/oop.inline.hpp" |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
44 #include "oops/symbol.hpp" |
1972 | 45 #include "prims/jvmtiExport.hpp" |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
46 #include "prims/methodHandles.hpp" |
1972 | 47 #include "prims/nativeLookup.hpp" |
48 #include "runtime/arguments.hpp" | |
49 #include "runtime/compilationPolicy.hpp" | |
50 #include "runtime/frame.inline.hpp" | |
51 #include "runtime/handles.inline.hpp" | |
52 #include "runtime/relocator.hpp" | |
53 #include "runtime/sharedRuntime.hpp" | |
54 #include "runtime/signature.hpp" | |
3779 | 55 #include "utilities/quickSort.hpp" |
1972 | 56 #include "utilities/xmlstream.hpp" |
0 | 57 |
58 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
59 // Implementation of Method |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
60 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
61 Method* Method::allocate(ClassLoaderData* loader_data, |
6934 | 62 int byte_code_size, |
63 AccessFlags access_flags, | |
8031 | 64 InlineTableSizes* sizes, |
6934 | 65 ConstMethod::MethodType method_type, |
66 TRAPS) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
67 assert(!access_flags.is_native() || byte_code_size == 0, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
68 "native methods should not contain byte codes"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
69 ConstMethod* cm = ConstMethod::allocate(loader_data, |
6934 | 70 byte_code_size, |
8031 | 71 sizes, |
6934 | 72 method_type, |
73 CHECK_NULL); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
74 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
75 int size = Method::size(access_flags.is_native()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
76 |
10376
a1ebd310d5c1
8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents:
10283
diff
changeset
|
77 return new (loader_data, size, false, MetaspaceObj::MethodType, THREAD) Method(cm, access_flags, size); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
78 } |
0 | 79 |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
80 Method::Method(ConstMethod* xconst, AccessFlags access_flags, int size) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
81 No_Safepoint_Verifier no_safepoint; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
82 set_constMethod(xconst); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
83 set_access_flags(access_flags); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
84 set_method_size(size); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
85 #ifdef CC_INTERP |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
86 set_result_index(T_VOID); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
87 #endif |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
88 set_intrinsic_id(vmIntrinsics::_none); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
89 set_jfr_towrite(false); |
8715
5939f5953b45
8009836: nsk/regression/b4222717 fails with empty stack trace
coleenp
parents:
8712
diff
changeset
|
90 set_force_inline(false); |
5939f5953b45
8009836: nsk/regression/b4222717 fails with empty stack trace
coleenp
parents:
8712
diff
changeset
|
91 set_hidden(false); |
5939f5953b45
8009836: nsk/regression/b4222717 fails with empty stack trace
coleenp
parents:
8712
diff
changeset
|
92 set_dont_inline(false); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
93 set_method_data(NULL); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
94 set_method_counters(NULL); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
95 set_vtable_index(Method::garbage_vtable_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
96 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
97 // Fix and bury in Method* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
98 set_interpreter_entry(NULL); // sets i2i entry and from_int |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
99 set_adapter_entry(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
100 clear_code(); // from_c/from_i get set to c2i/i2i |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
101 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
102 if (access_flags.is_native()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
103 clear_native_function(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
104 set_signature_handler(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
105 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
106 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
107 NOT_PRODUCT(set_compiled_invocation_count(0);) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
108 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
109 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
110 // Release Method*. The nmethod will be gone when we get here because |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
111 // we've walked the code cache. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
112 void Method::deallocate_contents(ClassLoaderData* loader_data) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
113 MetadataFactory::free_metadata(loader_data, constMethod()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
114 set_constMethod(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
115 MetadataFactory::free_metadata(loader_data, method_data()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
116 set_method_data(NULL); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
117 MetadataFactory::free_metadata(loader_data, method_counters()); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
118 set_method_counters(NULL); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
119 // The nmethod will be gone when we get here. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
120 if (code() != NULL) _code = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
121 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
122 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
123 address Method::get_i2c_entry() { |
0 | 124 assert(_adapter != NULL, "must have"); |
125 return _adapter->get_i2c_entry(); | |
126 } | |
127 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
128 address Method::get_c2i_entry() { |
0 | 129 assert(_adapter != NULL, "must have"); |
130 return _adapter->get_c2i_entry(); | |
131 } | |
132 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
133 address Method::get_c2i_unverified_entry() { |
0 | 134 assert(_adapter != NULL, "must have"); |
135 return _adapter->get_c2i_unverified_entry(); | |
136 } | |
137 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
138 char* Method::name_and_sig_as_C_string() const { |
6983 | 139 return name_and_sig_as_C_string(constants()->pool_holder(), name(), signature()); |
0 | 140 } |
141 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
142 char* Method::name_and_sig_as_C_string(char* buf, int size) const { |
6983 | 143 return name_and_sig_as_C_string(constants()->pool_holder(), name(), signature(), buf, size); |
0 | 144 } |
145 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
146 char* Method::name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature) { |
0 | 147 const char* klass_name = klass->external_name(); |
148 int klass_name_len = (int)strlen(klass_name); | |
149 int method_name_len = method_name->utf8_length(); | |
150 int len = klass_name_len + 1 + method_name_len + signature->utf8_length(); | |
151 char* dest = NEW_RESOURCE_ARRAY(char, len + 1); | |
152 strcpy(dest, klass_name); | |
153 dest[klass_name_len] = '.'; | |
154 strcpy(&dest[klass_name_len + 1], method_name->as_C_string()); | |
155 strcpy(&dest[klass_name_len + 1 + method_name_len], signature->as_C_string()); | |
156 dest[len] = 0; | |
157 return dest; | |
158 } | |
159 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
160 char* Method::name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature, char* buf, int size) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
161 Symbol* klass_name = klass->name(); |
0 | 162 klass_name->as_klass_external_name(buf, size); |
163 int len = (int)strlen(buf); | |
164 | |
165 if (len < size - 1) { | |
166 buf[len++] = '.'; | |
167 | |
168 method_name->as_C_string(&(buf[len]), size - len); | |
169 len = (int)strlen(buf); | |
170 | |
171 signature->as_C_string(&(buf[len]), size - len); | |
172 } | |
173 | |
174 return buf; | |
175 } | |
176 | |
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7184
diff
changeset
|
177 int Method::fast_exception_handler_bci_for(methodHandle mh, KlassHandle ex_klass, int throw_bci, TRAPS) { |
0 | 178 // exception table holds quadruple entries of the form (beg_bci, end_bci, handler_bci, klass_index) |
179 // access exception table | |
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7184
diff
changeset
|
180 ExceptionTable table(mh()); |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
181 int length = table.length(); |
0 | 182 // iterate through all entries sequentially |
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7184
diff
changeset
|
183 constantPoolHandle pool(THREAD, mh->constants()); |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
184 for (int i = 0; i < length; i ++) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
185 //reacquire the table in case a GC happened |
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7184
diff
changeset
|
186 ExceptionTable table(mh()); |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
187 int beg_bci = table.start_pc(i); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
188 int end_bci = table.end_pc(i); |
0 | 189 assert(beg_bci <= end_bci, "inconsistent exception table"); |
190 if (beg_bci <= throw_bci && throw_bci < end_bci) { | |
191 // exception handler bci range covers throw_bci => investigate further | |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
192 int handler_bci = table.handler_pc(i); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
193 int klass_index = table.catch_type_index(i); |
0 | 194 if (klass_index == 0) { |
195 return handler_bci; | |
196 } else if (ex_klass.is_null()) { | |
197 return handler_bci; | |
198 } else { | |
199 // we know the exception class => get the constraint class | |
200 // this may require loading of the constraint class; if verification | |
201 // fails or some other exception occurs, return handler_bci | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
202 Klass* k = pool->klass_at(klass_index, CHECK_(handler_bci)); |
0 | 203 KlassHandle klass = KlassHandle(THREAD, k); |
204 assert(klass.not_null(), "klass not loaded"); | |
205 if (ex_klass->is_subtype_of(klass())) { | |
206 return handler_bci; | |
207 } | |
208 } | |
209 } | |
210 } | |
211 | |
212 return -1; | |
213 } | |
214 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
215 void Method::mask_for(int bci, InterpreterOopMap* mask) { |
0 | 216 |
217 Thread* myThread = Thread::current(); | |
218 methodHandle h_this(myThread, this); | |
219 #ifdef ASSERT | |
220 bool has_capability = myThread->is_VM_thread() || | |
221 myThread->is_ConcurrentGC_thread() || | |
222 myThread->is_GC_task_thread(); | |
223 | |
224 if (!has_capability) { | |
225 if (!VerifyStack && !VerifyLastFrame) { | |
226 // verify stack calls this outside VM thread | |
227 warning("oopmap should only be accessed by the " | |
228 "VM, GC task or CMS threads (or during debugging)"); | |
229 InterpreterOopMap local_mask; | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
230 method_holder()->mask_for(h_this, bci, &local_mask); |
0 | 231 local_mask.print(); |
232 } | |
233 } | |
234 #endif | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
235 method_holder()->mask_for(h_this, bci, mask); |
0 | 236 return; |
237 } | |
238 | |
239 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
240 int Method::bci_from(address bcp) const { |
6791
8d3cc6612bd1
7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents:
6735
diff
changeset
|
241 #ifdef ASSERT |
8d3cc6612bd1
7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents:
6735
diff
changeset
|
242 { ResourceMark rm; |
6145
e2fe93124108
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
4873
diff
changeset
|
243 assert(is_native() && bcp == code_base() || contains(bcp) || is_error_reported(), |
e2fe93124108
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
4873
diff
changeset
|
244 err_msg("bcp doesn't belong to this method: bcp: " INTPTR_FORMAT ", method: %s", bcp, name_and_sig_as_C_string())); |
6791
8d3cc6612bd1
7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents:
6735
diff
changeset
|
245 } |
8d3cc6612bd1
7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents:
6735
diff
changeset
|
246 #endif |
0 | 247 return bcp - code_base(); |
248 } | |
249 | |
250 | |
251 // Return (int)bcx if it appears to be a valid BCI. | |
252 // Return bci_from((address)bcx) if it appears to be a valid BCP. | |
253 // Return -1 otherwise. | |
254 // Used by profiling code, when invalid data is a possibility. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
255 // The caller is responsible for validating the Method* itself. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
256 int Method::validate_bci_from_bcx(intptr_t bcx) const { |
0 | 257 // keep bci as -1 if not a valid bci |
258 int bci = -1; | |
259 if (bcx == 0 || (address)bcx == code_base()) { | |
260 // code_size() may return 0 and we allow 0 here | |
261 // the method may be native | |
262 bci = 0; | |
263 } else if (frame::is_bci(bcx)) { | |
264 if (bcx < code_size()) { | |
265 bci = (int)bcx; | |
266 } | |
267 } else if (contains((address)bcx)) { | |
268 bci = (address)bcx - code_base(); | |
269 } | |
270 // Assert that if we have dodged any asserts, bci is negative. | |
271 assert(bci == -1 || bci == bci_from(bcp_from(bci)), "sane bci if >=0"); | |
272 return bci; | |
273 } | |
274 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
275 address Method::bcp_from(int bci) const { |
0 | 276 assert((is_native() && bci == 0) || (!is_native() && 0 <= bci && bci < code_size()), "illegal bci"); |
277 address bcp = code_base() + bci; | |
278 assert(is_native() && bcp == code_base() || contains(bcp), "bcp doesn't belong to this method"); | |
279 return bcp; | |
280 } | |
281 | |
282 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
283 int Method::size(bool is_native) { |
0 | 284 // If native, then include pointers for native_function and signature_handler |
285 int extra_bytes = (is_native) ? 2*sizeof(address*) : 0; | |
286 int extra_words = align_size_up(extra_bytes, BytesPerWord) / BytesPerWord; | |
287 return align_object_size(header_size() + extra_words); | |
288 } | |
289 | |
290 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
291 Symbol* Method::klass_name() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
292 Klass* k = method_holder(); |
0 | 293 assert(k->is_klass(), "must be klass"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
294 InstanceKlass* ik = (InstanceKlass*) k; |
0 | 295 return ik->name(); |
296 } | |
297 | |
298 | |
299 // Attempt to return method oop to original state. Clear any pointers | |
300 // (to objects outside the shared spaces). We won't be able to predict | |
301 // where they should point in a new JVM. Further initialize some | |
302 // entries now in order allow them to be write protected later. | |
303 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
304 void Method::remove_unshareable_info() { |
0 | 305 unlink_method(); |
306 } | |
307 | |
308 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
309 bool Method::was_executed_more_than(int n) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
310 // Invocation counter is reset when the Method* is compiled. |
0 | 311 // If the method has compiled code we therefore assume it has |
312 // be excuted more than n times. | |
313 if (is_accessor() || is_empty_method() || (code() != NULL)) { | |
314 // interpreter doesn't bump invocation counter of trivial methods | |
315 // compiler does not bump invocation counter of compiled methods | |
316 return true; | |
1783 | 317 } |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
318 else if ((method_counters() != NULL && |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
319 method_counters()->invocation_counter()->carry()) || |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
320 (method_data() != NULL && |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
321 method_data()->invocation_counter()->carry())) { |
0 | 322 // The carry bit is set when the counter overflows and causes |
323 // a compilation to occur. We don't know how many times | |
324 // the counter has been reset, so we simply assume it has | |
325 // been executed more than n times. | |
326 return true; | |
327 } else { | |
328 return invocation_count() > n; | |
329 } | |
330 } | |
331 | |
332 #ifndef PRODUCT | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
333 void Method::print_invocation_count() { |
0 | 334 if (is_static()) tty->print("static "); |
335 if (is_final()) tty->print("final "); | |
336 if (is_synchronized()) tty->print("synchronized "); | |
337 if (is_native()) tty->print("native "); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
338 method_holder()->name()->print_symbol_on(tty); |
0 | 339 tty->print("."); |
340 name()->print_symbol_on(tty); | |
341 signature()->print_symbol_on(tty); | |
342 | |
343 if (WizardMode) { | |
344 // dump the size of the byte codes | |
345 tty->print(" {%d}", code_size()); | |
346 } | |
347 tty->cr(); | |
348 | |
349 tty->print_cr (" interpreter_invocation_count: %8d ", interpreter_invocation_count()); | |
350 tty->print_cr (" invocation_counter: %8d ", invocation_count()); | |
351 tty->print_cr (" backedge_counter: %8d ", backedge_count()); | |
352 if (CountCompiledCalls) { | |
353 tty->print_cr (" compiled_invocation_count: %8d ", compiled_invocation_count()); | |
354 } | |
355 | |
356 } | |
357 #endif | |
358 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
359 // Build a MethodData* object to hold information about this method |
0 | 360 // collected in the interpreter. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
361 void Method::build_interpreter_method_data(methodHandle method, TRAPS) { |
2021
7cf1a74771e8
6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents:
1972
diff
changeset
|
362 // Do not profile method if current thread holds the pending list lock, |
7cf1a74771e8
6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents:
1972
diff
changeset
|
363 // which avoids deadlock for acquiring the MethodData_lock. |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
364 if (InstanceRefKlass::owns_pending_list_lock((JavaThread*)THREAD)) { |
2021
7cf1a74771e8
6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents:
1972
diff
changeset
|
365 return; |
7cf1a74771e8
6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents:
1972
diff
changeset
|
366 } |
7cf1a74771e8
6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents:
1972
diff
changeset
|
367 |
0 | 368 // Grab a lock here to prevent multiple |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
369 // MethodData*s from being created. |
0 | 370 MutexLocker ml(MethodData_lock, THREAD); |
371 if (method->method_data() == NULL) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
372 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
373 MethodData* method_data = MethodData::allocate(loader_data, method, CHECK); |
0 | 374 method->set_method_data(method_data); |
375 if (PrintMethodData && (Verbose || WizardMode)) { | |
376 ResourceMark rm(THREAD); | |
377 tty->print("build_interpreter_method_data for "); | |
378 method->print_name(tty); | |
379 tty->cr(); | |
380 // At the end of the run, the MDO, full of data, will be dumped. | |
381 } | |
382 } | |
383 } | |
384 | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
385 MethodCounters* Method::build_method_counters(Method* m, TRAPS) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
386 methodHandle mh(m); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
387 ClassLoaderData* loader_data = mh->method_holder()->class_loader_data(); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
388 MethodCounters* counters = MethodCounters::allocate(loader_data, CHECK_NULL); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
389 if (mh->method_counters() == NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
390 mh->set_method_counters(counters); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
391 } else { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
392 MetadataFactory::free_metadata(loader_data, counters); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
393 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
394 return mh->method_counters(); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
395 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
396 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
397 void Method::cleanup_inline_caches() { |
0 | 398 // The current system doesn't use inline caches in the interpreter |
399 // => nothing to do (keep this method around for future use) | |
400 } | |
401 | |
402 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
403 int Method::extra_stack_words() { |
710 | 404 // not an inline function, to avoid a header dependency on Interpreter |
1506 | 405 return extra_stack_entries() * Interpreter::stackElementSize; |
710 | 406 } |
407 | |
408 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
409 void Method::compute_size_of_parameters(Thread *thread) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
410 ArgumentSizeComputer asc(signature()); |
0 | 411 set_size_of_parameters(asc.size() + (is_static() ? 0 : 1)); |
412 } | |
413 | |
414 #ifdef CC_INTERP | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
415 void Method::set_result_index(BasicType type) { |
0 | 416 _result_index = Interpreter::BasicType_as_index(type); |
417 } | |
418 #endif | |
419 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
420 BasicType Method::result_type() const { |
0 | 421 ResultTypeFinder rtf(signature()); |
422 return rtf.type(); | |
423 } | |
424 | |
425 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
426 bool Method::is_empty_method() const { |
0 | 427 return code_size() == 1 |
428 && *code_base() == Bytecodes::_return; | |
429 } | |
430 | |
431 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
432 bool Method::is_vanilla_constructor() const { |
0 | 433 // Returns true if this method is a vanilla constructor, i.e. an "<init>" "()V" method |
434 // which only calls the superclass vanilla constructor and possibly does stores of | |
435 // zero constants to local fields: | |
436 // | |
437 // aload_0 | |
438 // invokespecial | |
439 // indexbyte1 | |
440 // indexbyte2 | |
441 // | |
442 // followed by an (optional) sequence of: | |
443 // | |
444 // aload_0 | |
445 // aconst_null / iconst_0 / fconst_0 / dconst_0 | |
446 // putfield | |
447 // indexbyte1 | |
448 // indexbyte2 | |
449 // | |
450 // followed by: | |
451 // | |
452 // return | |
453 | |
454 assert(name() == vmSymbols::object_initializer_name(), "Should only be called for default constructors"); | |
455 assert(signature() == vmSymbols::void_method_signature(), "Should only be called for default constructors"); | |
456 int size = code_size(); | |
457 // Check if size match | |
458 if (size == 0 || size % 5 != 0) return false; | |
459 address cb = code_base(); | |
460 int last = size - 1; | |
461 if (cb[0] != Bytecodes::_aload_0 || cb[1] != Bytecodes::_invokespecial || cb[last] != Bytecodes::_return) { | |
462 // Does not call superclass default constructor | |
463 return false; | |
464 } | |
465 // Check optional sequence | |
466 for (int i = 4; i < last; i += 5) { | |
467 if (cb[i] != Bytecodes::_aload_0) return false; | |
468 if (!Bytecodes::is_zero_const(Bytecodes::cast(cb[i+1]))) return false; | |
469 if (cb[i+2] != Bytecodes::_putfield) return false; | |
470 } | |
471 return true; | |
472 } | |
473 | |
474 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
475 bool Method::compute_has_loops_flag() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
476 BytecodeStream bcs(this); |
0 | 477 Bytecodes::Code bc; |
478 | |
479 while ((bc = bcs.next()) >= 0) { | |
480 switch( bc ) { | |
481 case Bytecodes::_ifeq: | |
482 case Bytecodes::_ifnull: | |
483 case Bytecodes::_iflt: | |
484 case Bytecodes::_ifle: | |
485 case Bytecodes::_ifne: | |
486 case Bytecodes::_ifnonnull: | |
487 case Bytecodes::_ifgt: | |
488 case Bytecodes::_ifge: | |
489 case Bytecodes::_if_icmpeq: | |
490 case Bytecodes::_if_icmpne: | |
491 case Bytecodes::_if_icmplt: | |
492 case Bytecodes::_if_icmpgt: | |
493 case Bytecodes::_if_icmple: | |
494 case Bytecodes::_if_icmpge: | |
495 case Bytecodes::_if_acmpeq: | |
496 case Bytecodes::_if_acmpne: | |
497 case Bytecodes::_goto: | |
498 case Bytecodes::_jsr: | |
499 if( bcs.dest() < bcs.next_bci() ) _access_flags.set_has_loops(); | |
500 break; | |
501 | |
502 case Bytecodes::_goto_w: | |
503 case Bytecodes::_jsr_w: | |
504 if( bcs.dest_w() < bcs.next_bci() ) _access_flags.set_has_loops(); | |
505 break; | |
506 } | |
507 } | |
508 _access_flags.set_loops_flag_init(); | |
509 return _access_flags.has_loops(); | |
510 } | |
511 | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
512 bool Method::is_final_method(AccessFlags class_access_flags) const { |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
513 // or "does_not_require_vtable_entry" |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
514 // default method or overpass can occur, is not final (reuses vtable entry) |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
515 // private methods get vtable entries for backward class compatibility. |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
516 if (is_overpass() || is_default_method()) return false; |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
517 return is_final() || class_access_flags.is_final(); |
0 | 518 } |
519 | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
520 bool Method::is_final_method() const { |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
521 return is_final_method(method_holder()->access_flags()); |
0 | 522 } |
523 | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
524 bool Method::is_default_method() const { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
525 if (method_holder() != NULL && |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
526 method_holder()->is_interface() && |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
527 !is_abstract()) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
528 return true; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
529 } else { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
530 return false; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
531 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
532 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
533 |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
534 bool Method::can_be_statically_bound(AccessFlags class_access_flags) const { |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
535 if (is_final_method(class_access_flags)) return true; |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
536 #ifdef ASSERT |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
537 ResourceMark rm; |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
538 bool is_nonv = (vtable_index() == nonvirtual_vtable_index); |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
539 if (class_access_flags.is_interface()) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
540 assert(is_nonv == is_static(), err_msg("is_nonv=%s", name_and_sig_as_C_string())); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
541 } |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
542 #endif |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
543 assert(valid_vtable_index() || valid_itable_index(), "method must be linked before we ask this question"); |
0 | 544 return vtable_index() == nonvirtual_vtable_index; |
545 } | |
546 | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
547 bool Method::can_be_statically_bound() const { |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
548 return can_be_statically_bound(method_holder()->access_flags()); |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
549 } |
0 | 550 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
551 bool Method::is_accessor() const { |
0 | 552 if (code_size() != 5) return false; |
553 if (size_of_parameters() != 1) return false; | |
2142 | 554 if (java_code_at(0) != Bytecodes::_aload_0 ) return false; |
555 if (java_code_at(1) != Bytecodes::_getfield) return false; | |
556 if (java_code_at(4) != Bytecodes::_areturn && | |
557 java_code_at(4) != Bytecodes::_ireturn ) return false; | |
0 | 558 return true; |
559 } | |
560 | |
561 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
562 bool Method::is_initializer() const { |
2334
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
563 return name() == vmSymbols::object_initializer_name() || is_static_initializer(); |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
564 } |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
565 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
566 bool Method::has_valid_initializer_flags() const { |
2334
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
567 return (is_static() || |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
568 method_holder()->major_version() < 51); |
2334
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
569 } |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
570 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
571 bool Method::is_static_initializer() const { |
2334
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
572 // For classfiles version 51 or greater, ensure that the clinit method is |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
573 // static. Non-static methods with the name "<clinit>" are not static |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
574 // initializers. (older classfiles exempted for backward compatibility) |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
575 return name() == vmSymbols::class_initializer_name() && |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
576 has_valid_initializer_flags(); |
0 | 577 } |
578 | |
579 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
580 objArrayHandle Method::resolved_checked_exceptions_impl(Method* this_oop, TRAPS) { |
0 | 581 int length = this_oop->checked_exceptions_length(); |
582 if (length == 0) { // common case | |
583 return objArrayHandle(THREAD, Universe::the_empty_class_klass_array()); | |
584 } else { | |
585 methodHandle h_this(THREAD, this_oop); | |
1142 | 586 objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::Class_klass(), length, CHECK_(objArrayHandle())); |
0 | 587 objArrayHandle mirrors (THREAD, m_oop); |
588 for (int i = 0; i < length; i++) { | |
589 CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
590 Klass* k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle())); |
6983 | 591 assert(k->is_subclass_of(SystemDictionary::Throwable_klass()), "invalid exception class"); |
592 mirrors->obj_at_put(i, k->java_mirror()); | |
0 | 593 } |
594 return mirrors; | |
595 } | |
596 }; | |
597 | |
598 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
599 int Method::line_number_from_bci(int bci) const { |
0 | 600 if (bci == SynchronizationEntryBCI) bci = 0; |
601 assert(bci == 0 || 0 <= bci && bci < code_size(), "illegal bci"); | |
602 int best_bci = 0; | |
603 int best_line = -1; | |
604 | |
605 if (has_linenumber_table()) { | |
606 // The line numbers are a short array of 2-tuples [start_pc, line_number]. | |
607 // Not necessarily sorted and not necessarily one-to-one. | |
608 CompressedLineNumberReadStream stream(compressed_linenumber_table()); | |
609 while (stream.read_pair()) { | |
610 if (stream.bci() == bci) { | |
611 // perfect match | |
612 return stream.line(); | |
613 } else { | |
614 // update best_bci/line | |
615 if (stream.bci() < bci && stream.bci() >= best_bci) { | |
616 best_bci = stream.bci(); | |
617 best_line = stream.line(); | |
618 } | |
619 } | |
620 } | |
621 } | |
622 return best_line; | |
623 } | |
624 | |
625 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
626 bool Method::is_klass_loaded_by_klass_index(int klass_index) const { |
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
627 if( constants()->tag_at(klass_index).is_unresolved_klass() ) { |
0 | 628 Thread *thread = Thread::current(); |
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
629 Symbol* klass_name = constants()->klass_name_at(klass_index); |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
630 Handle loader(thread, method_holder()->class_loader()); |
6983 | 631 Handle prot (thread, method_holder()->protection_domain()); |
0 | 632 return SystemDictionary::find(klass_name, loader, prot, thread) != NULL; |
633 } else { | |
634 return true; | |
635 } | |
636 } | |
637 | |
638 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
639 bool Method::is_klass_loaded(int refinfo_index, bool must_be_resolved) const { |
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
640 int klass_index = constants()->klass_ref_index_at(refinfo_index); |
0 | 641 if (must_be_resolved) { |
642 // Make sure klass is resolved in constantpool. | |
643 if (constants()->tag_at(klass_index).is_unresolved_klass()) return false; | |
644 } | |
645 return is_klass_loaded_by_klass_index(klass_index); | |
646 } | |
647 | |
648 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
649 void Method::set_native_function(address function, bool post_event_flag) { |
0 | 650 assert(function != NULL, "use clear_native_function to unregister natives"); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
651 assert(!is_method_handle_intrinsic() || function == SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), ""); |
0 | 652 address* native_function = native_function_addr(); |
653 | |
654 // We can see racers trying to place the same native function into place. Once | |
655 // is plenty. | |
656 address current = *native_function; | |
657 if (current == function) return; | |
658 if (post_event_flag && JvmtiExport::should_post_native_method_bind() && | |
659 function != NULL) { | |
660 // native_method_throw_unsatisfied_link_error_entry() should only | |
661 // be passed when post_event_flag is false. | |
662 assert(function != | |
663 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), | |
664 "post_event_flag mis-match"); | |
665 | |
666 // post the bind event, and possible change the bind function | |
667 JvmtiExport::post_native_method_bind(this, &function); | |
668 } | |
669 *native_function = function; | |
670 // This function can be called more than once. We must make sure that we always | |
671 // use the latest registered method -> check if a stub already has been generated. | |
672 // If so, we have to make it not_entrant. | |
673 nmethod* nm = code(); // Put it into local variable to guard against concurrent updates | |
674 if (nm != NULL) { | |
675 nm->make_not_entrant(); | |
676 } | |
677 } | |
678 | |
679 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
680 bool Method::has_native_function() const { |
6267
977007096840
7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents:
6266
diff
changeset
|
681 if (is_method_handle_intrinsic()) |
977007096840
7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents:
6266
diff
changeset
|
682 return false; // special-cased in SharedRuntime::generate_native_wrapper |
0 | 683 address func = native_function(); |
684 return (func != NULL && func != SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); | |
685 } | |
686 | |
687 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
688 void Method::clear_native_function() { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
689 // Note: is_method_handle_intrinsic() is allowed here. |
0 | 690 set_native_function( |
691 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), | |
692 !native_bind_event_is_interesting); | |
693 clear_code(); | |
694 } | |
695 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
696 address Method::critical_native_function() { |
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3929
diff
changeset
|
697 methodHandle mh(this); |
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3929
diff
changeset
|
698 return NativeLookup::lookup_critical_entry(mh); |
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3929
diff
changeset
|
699 } |
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3929
diff
changeset
|
700 |
0 | 701 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
702 void Method::set_signature_handler(address handler) { |
0 | 703 address* signature_handler = signature_handler_addr(); |
704 *signature_handler = handler; | |
705 } | |
706 | |
707 | |
7998 | 708 void Method::print_made_not_compilable(int comp_level, bool is_osr, bool report, const char* reason) { |
1208
cef333a48af6
6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
kvn
parents:
1206
diff
changeset
|
709 if (PrintCompilation && report) { |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
710 ttyLocker ttyl; |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
711 tty->print("made not %scompilable on ", is_osr ? "OSR " : ""); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
712 if (comp_level == CompLevel_all) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
713 tty->print("all levels "); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
714 } else { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
715 tty->print("levels "); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
716 for (int i = (int)CompLevel_none; i <= comp_level; i++) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
717 tty->print("%d ", i); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
718 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
719 } |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
720 this->print_short_name(tty); |
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
721 int size = this->code_size(); |
7998 | 722 if (size > 0) { |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
723 tty->print(" (%d bytes)", size); |
7998 | 724 } |
725 if (reason != NULL) { | |
726 tty->print(" %s", reason); | |
727 } | |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
728 tty->cr(); |
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
729 } |
0 | 730 if ((TraceDeoptimization || LogCompilation) && (xtty != NULL)) { |
731 ttyLocker ttyl; | |
6843 | 732 xtty->begin_elem("make_not_%scompilable thread='" UINTX_FORMAT "'", |
733 is_osr ? "osr_" : "", os::current_thread_id()); | |
7998 | 734 if (reason != NULL) { |
735 xtty->print(" reason=\'%s\'", reason); | |
736 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
737 xtty->method(this); |
0 | 738 xtty->stamp(); |
739 xtty->end_elem(); | |
740 } | |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
741 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
742 |
12170
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
743 bool Method::is_always_compilable() const { |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
744 // Generated adapters must be compiled |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
745 if (is_method_handle_intrinsic() && is_synthetic()) { |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
746 assert(!is_not_c1_compilable(), "sanity check"); |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
747 assert(!is_not_c2_compilable(), "sanity check"); |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
748 return true; |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
749 } |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
750 |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
751 return false; |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
752 } |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
753 |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
754 bool Method::is_not_compilable(int comp_level) const { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
755 if (number_of_breakpoints() > 0) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
756 return true; |
12170
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
757 if (is_always_compilable()) |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
758 return false; |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
759 if (comp_level == CompLevel_any) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
760 return is_not_c1_compilable() || is_not_c2_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
761 if (is_c1_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
762 return is_not_c1_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
763 if (is_c2_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
764 return is_not_c2_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
765 return false; |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
766 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
767 |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
768 // call this when compiler finds that this method is not compilable |
7998 | 769 void Method::set_not_compilable(int comp_level, bool report, const char* reason) { |
12170
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
770 if (is_always_compilable()) { |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
771 // Don't mark a method which should be always compilable |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
772 return; |
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
12076
diff
changeset
|
773 } |
7998 | 774 print_made_not_compilable(comp_level, /*is_osr*/ false, report, reason); |
1783 | 775 if (comp_level == CompLevel_all) { |
776 set_not_c1_compilable(); | |
777 set_not_c2_compilable(); | |
778 } else { | |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
779 if (is_c1_compile(comp_level)) |
1783 | 780 set_not_c1_compilable(); |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
781 if (is_c2_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
782 set_not_c2_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
783 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
784 CompilationPolicy::policy()->disable_compilation(this); |
12073 | 785 assert(!CompilationPolicy::can_be_compiled(this, comp_level), "sanity check"); |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
786 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
787 |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
788 bool Method::is_not_osr_compilable(int comp_level) const { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
789 if (is_not_compilable(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
790 return true; |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
791 if (comp_level == CompLevel_any) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
792 return is_not_c1_osr_compilable() || is_not_c2_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
793 if (is_c1_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
794 return is_not_c1_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
795 if (is_c2_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
796 return is_not_c2_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
797 return false; |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
798 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
799 |
7998 | 800 void Method::set_not_osr_compilable(int comp_level, bool report, const char* reason) { |
801 print_made_not_compilable(comp_level, /*is_osr*/ true, report, reason); | |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
802 if (comp_level == CompLevel_all) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
803 set_not_c1_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
804 set_not_c2_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
805 } else { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
806 if (is_c1_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
807 set_not_c1_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
808 if (is_c2_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
809 set_not_c2_osr_compilable(); |
0 | 810 } |
1783 | 811 CompilationPolicy::policy()->disable_compilation(this); |
12073 | 812 assert(!CompilationPolicy::can_be_osr_compiled(this, comp_level), "sanity check"); |
0 | 813 } |
814 | |
815 // Revert to using the interpreter and clear out the nmethod | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
816 void Method::clear_code() { |
0 | 817 |
818 // this may be NULL if c2i adapters have not been made yet | |
819 // Only should happen at allocate time. | |
820 if (_adapter == NULL) { | |
821 _from_compiled_entry = NULL; | |
822 } else { | |
823 _from_compiled_entry = _adapter->get_c2i_entry(); | |
824 } | |
825 OrderAccess::storestore(); | |
826 _from_interpreted_entry = _i2i_entry; | |
827 OrderAccess::storestore(); | |
828 _code = NULL; | |
829 } | |
830 | |
831 // Called by class data sharing to remove any entry points (which are not shared) | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
832 void Method::unlink_method() { |
0 | 833 _code = NULL; |
834 _i2i_entry = NULL; | |
835 _from_interpreted_entry = NULL; | |
836 if (is_native()) { | |
837 *native_function_addr() = NULL; | |
838 set_signature_handler(NULL); | |
839 } | |
840 NOT_PRODUCT(set_compiled_invocation_count(0);) | |
841 _adapter = NULL; | |
842 _from_compiled_entry = NULL; | |
8751
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
843 |
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
844 // In case of DumpSharedSpaces, _method_data should always be NULL. |
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
845 // |
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
846 // During runtime (!DumpSharedSpaces), when we are cleaning a |
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
847 // shared class that failed to load, this->link_method() may |
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
848 // have already been called (before an exception happened), so |
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
849 // this->_method_data may not be NULL. |
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
850 assert(!DumpSharedSpaces || _method_data == NULL, "unexpected method data?"); |
1fc4d4768b90
8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents:
8715
diff
changeset
|
851 |
0 | 852 set_method_data(NULL); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
853 set_method_counters(NULL); |
0 | 854 } |
855 | |
856 // Called when the method_holder is getting linked. Setup entrypoints so the method | |
857 // is ready to be called from interpreter, compiler, and vtables. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
858 void Method::link_method(methodHandle h_method, TRAPS) { |
3748 | 859 // If the code cache is full, we may reenter this function for the |
860 // leftover methods that weren't linked. | |
861 if (_i2i_entry != NULL) return; | |
862 | |
0 | 863 assert(_adapter == NULL, "init'd to NULL" ); |
864 assert( _code == NULL, "nothing compiled yet" ); | |
865 | |
866 // Setup interpreter entrypoint | |
867 assert(this == h_method(), "wrong h_method()" ); | |
868 address entry = Interpreter::entry_for_method(h_method); | |
869 assert(entry != NULL, "interpreter entry must be non-null"); | |
870 // Sets both _i2i_entry and _from_interpreted_entry | |
871 set_interpreter_entry(entry); | |
10276
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10206
diff
changeset
|
872 |
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10206
diff
changeset
|
873 // Don't overwrite already registered native entries. |
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10206
diff
changeset
|
874 if (is_native() && !has_native_function()) { |
0 | 875 set_native_function( |
876 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), | |
877 !native_bind_event_is_interesting); | |
878 } | |
879 | |
880 // Setup compiler entrypoint. This is made eagerly, so we do not need | |
881 // special handling of vtables. An alternative is to make adapters more | |
882 // lazily by calling make_adapter() from from_compiled_entry() for the | |
883 // normal calls. For vtable calls life gets more complicated. When a | |
884 // call-site goes mega-morphic we need adapters in all methods which can be | |
885 // called from the vtable. We need adapters on such methods that get loaded | |
886 // later. Ditto for mega-morphic itable calls. If this proves to be a | |
887 // problem we'll make these lazily later. | |
3749
9dd6c4ba364f
7049928: VM crashes with "assert(_adapter != NULL) failed: must have" at methodOop.cpp:63
coleenp
parents:
3748
diff
changeset
|
888 (void) make_adapters(h_method, CHECK); |
0 | 889 |
890 // ONLY USE the h_method now as make_adapter may have blocked | |
891 | |
892 } | |
893 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
894 address Method::make_adapters(methodHandle mh, TRAPS) { |
0 | 895 // Adapters for compiled code are made eagerly here. They are fairly |
896 // small (generally < 100 bytes) and quick to make (and cached and shared) | |
897 // so making them eagerly shouldn't be too expensive. | |
898 AdapterHandlerEntry* adapter = AdapterHandlerLibrary::get_adapter(mh); | |
899 if (adapter == NULL ) { | |
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1152
diff
changeset
|
900 THROW_MSG_NULL(vmSymbols::java_lang_VirtualMachineError(), "out of space in CodeCache for adapters"); |
0 | 901 } |
902 | |
903 mh->set_adapter_entry(adapter); | |
904 mh->_from_compiled_entry = adapter->get_c2i_entry(); | |
905 return adapter->get_c2i_entry(); | |
906 } | |
907 | |
908 // The verified_code_entry() must be called when a invoke is resolved | |
909 // on this method. | |
910 | |
911 // It returns the compiled code entry point, after asserting not null. | |
912 // This function is called after potential safepoints so that nmethod | |
913 // or adapter that it points to is still live and valid. | |
914 // This function must not hit a safepoint! | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
915 address Method::verified_code_entry() { |
0 | 916 debug_only(No_Safepoint_Verifier nsv;) |
917 assert(_from_compiled_entry != NULL, "must be set"); | |
918 return _from_compiled_entry; | |
919 } | |
920 | |
921 // Check that if an nmethod ref exists, it has a backlink to this or no backlink at all | |
922 // (could be racing a deopt). | |
923 // Not inline to avoid circular ref. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
924 bool Method::check_code() const { |
0 | 925 // cached in a register or local. There's a race on the value of the field. |
926 nmethod *code = (nmethod *)OrderAccess::load_ptr_acquire(&_code); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
927 return code == NULL || (code->method() == NULL) || (code->method() == (Method*)this && !code->is_osr_method()); |
0 | 928 } |
929 | |
930 // Install compiled code. Instantly it can execute. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
931 void Method::set_code(methodHandle mh, nmethod *code) { |
0 | 932 assert( code, "use clear_code to remove code" ); |
933 assert( mh->check_code(), "" ); | |
934 | |
935 guarantee(mh->adapter() != NULL, "Adapter blob must already exist!"); | |
936 | |
937 // These writes must happen in this order, because the interpreter will | |
938 // directly jump to from_interpreted_entry which jumps to an i2c adapter | |
939 // which jumps to _from_compiled_entry. | |
940 mh->_code = code; // Assign before allowing compiled code to exec | |
941 | |
942 int comp_level = code->comp_level(); | |
943 // In theory there could be a race here. In practice it is unlikely | |
944 // and not worth worrying about. | |
1783 | 945 if (comp_level > mh->highest_comp_level()) { |
946 mh->set_highest_comp_level(comp_level); | |
0 | 947 } |
948 | |
949 OrderAccess::storestore(); | |
1692 | 950 #ifdef SHARK |
1845
a222fcfba398
6990549: Zero and Shark fixes after 6978355 and 6953144
twisti
parents:
1793
diff
changeset
|
951 mh->_from_interpreted_entry = code->insts_begin(); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
952 #else //!SHARK |
0 | 953 mh->_from_compiled_entry = code->verified_entry_point(); |
954 OrderAccess::storestore(); | |
955 // Instantly compiled code can execute. | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
956 if (!mh->is_method_handle_intrinsic()) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
957 mh->_from_interpreted_entry = mh->get_i2c_entry(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
958 #endif //!SHARK |
0 | 959 } |
960 | |
961 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
962 bool Method::is_overridden_in(Klass* k) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
963 InstanceKlass* ik = InstanceKlass::cast(k); |
0 | 964 |
965 if (ik->is_interface()) return false; | |
966 | |
967 // If method is an interface, we skip it - except if it | |
968 // is a miranda method | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
969 if (method_holder()->is_interface()) { |
0 | 970 // Check that method is not a miranda method |
971 if (ik->lookup_method(name(), signature()) == NULL) { | |
972 // No implementation exist - so miranda method | |
973 return false; | |
974 } | |
975 return true; | |
976 } | |
977 | |
978 assert(ik->is_subclass_of(method_holder()), "should be subklass"); | |
979 assert(ik->vtable() != NULL, "vtable should exist"); | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
980 if (!has_vtable_index()) { |
0 | 981 return false; |
982 } else { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
983 Method* vt_m = ik->method_at_vtable(vtable_index()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
984 return vt_m != this; |
0 | 985 } |
986 } | |
987 | |
988 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
989 // give advice about whether this Method* should be cached or not |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
990 bool Method::should_not_be_cached() const { |
48
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
991 if (is_old()) { |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
992 // This method has been redefined. It is either EMCP or obsolete |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
993 // and we don't want to cache it because that would pin the method |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
994 // down and prevent it from being collectible if and when it |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
995 // finishes executing. |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
996 return true; |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
997 } |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
998 |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
999 // caching this method should be just fine |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
1000 return false; |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
1001 } |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
1002 |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1003 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1004 /** |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1005 * Returns true if this is one of the specially treated methods for |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1006 * security related stack walks (like Reflection.getCallerClass). |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1007 */ |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1008 bool Method::is_ignored_by_security_stack_walk() const { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1009 const bool use_new_reflection = JDK_Version::is_gte_jdk14x_version() && UseNewReflection; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1010 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1011 if (intrinsic_id() == vmIntrinsics::_invoke) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1012 // This is Method.invoke() -- ignore it |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1013 return true; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1014 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1015 if (use_new_reflection && |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1016 method_holder()->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass())) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1017 // This is an auxilary frame -- ignore it |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1018 return true; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1019 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1020 if (is_method_handle_intrinsic() || is_compiled_lambda_form()) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1021 // This is an internal adapter frame for method handles -- ignore it |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1022 return true; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1023 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1024 return false; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1025 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1026 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1027 |
710 | 1028 // Constant pool structure for invoke methods: |
1029 enum { | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1030 _imcp_invoke_name = 1, // utf8: 'invokeExact', etc. |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1031 _imcp_invoke_signature, // utf8: (variable Symbol*) |
710 | 1032 _imcp_limit |
1033 }; | |
1034 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1035 // Test if this method is an MH adapter frame generated by Java code. |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1036 // Cf. java/lang/invoke/InvokerBytecodeGenerator |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1037 bool Method::is_compiled_lambda_form() const { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1038 return intrinsic_id() == vmIntrinsics::_compiledLambdaForm; |
710 | 1039 } |
1040 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1041 // Test if this method is an internal MH primitive method. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1042 bool Method::is_method_handle_intrinsic() const { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1043 vmIntrinsics::ID iid = intrinsic_id(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1044 return (MethodHandles::is_signature_polymorphic(iid) && |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1045 MethodHandles::is_signature_polymorphic_intrinsic(iid)); |
1152
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
1046 } |
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
1047 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1048 bool Method::has_member_arg() const { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1049 vmIntrinsics::ID iid = intrinsic_id(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1050 return (MethodHandles::is_signature_polymorphic(iid) && |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1051 MethodHandles::has_member_arg(iid)); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1052 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1053 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1054 // Make an instance of a signature-polymorphic internal MH primitive. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1055 methodHandle Method::make_method_handle_intrinsic(vmIntrinsics::ID iid, |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1056 Symbol* signature, |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1057 TRAPS) { |
3891
ac8738449b6f
7082949: JSR 292: missing ResourceMark in methodOopDesc::make_invoke_method
never
parents:
3795
diff
changeset
|
1058 ResourceMark rm; |
710 | 1059 methodHandle empty; |
1060 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1061 KlassHandle holder = SystemDictionary::MethodHandle_klass(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1062 Symbol* name = MethodHandles::signature_polymorphic_intrinsic_name(iid); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1063 assert(iid == MethodHandles::signature_polymorphic_name_id(name), ""); |
710 | 1064 if (TraceMethodHandles) { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1065 tty->print_cr("make_method_handle_intrinsic MH.%s%s", name->as_C_string(), signature->as_C_string()); |
710 | 1066 } |
1067 | |
2478
328926869b15
6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents:
2460
diff
changeset
|
1068 // invariant: cp->symbol_at_put is preceded by a refcount increment (more usually a lookup) |
328926869b15
6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents:
2460
diff
changeset
|
1069 name->increment_refcount(); |
328926869b15
6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents:
2460
diff
changeset
|
1070 signature->increment_refcount(); |
328926869b15
6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents:
2460
diff
changeset
|
1071 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1072 int cp_length = _imcp_limit; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1073 ClassLoaderData* loader_data = holder->class_loader_data(); |
710 | 1074 constantPoolHandle cp; |
1075 { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1076 ConstantPool* cp_oop = ConstantPool::allocate(loader_data, cp_length, CHECK_(empty)); |
710 | 1077 cp = constantPoolHandle(THREAD, cp_oop); |
1078 } | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1079 cp->set_pool_holder(InstanceKlass::cast(holder())); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1080 cp->symbol_at_put(_imcp_invoke_name, name); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1081 cp->symbol_at_put(_imcp_invoke_signature, signature); |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7470
diff
changeset
|
1082 cp->set_has_preresolution(); |
710 | 1083 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1084 // decide on access bits: public or not? |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1085 int flags_bits = (JVM_ACC_NATIVE | JVM_ACC_SYNTHETIC | JVM_ACC_FINAL); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1086 bool must_be_static = MethodHandles::is_signature_polymorphic_static(iid); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1087 if (must_be_static) flags_bits |= JVM_ACC_STATIC; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1088 assert((flags_bits & JVM_ACC_PUBLIC) == 0, "do not expose these methods"); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1089 |
710 | 1090 methodHandle m; |
1091 { | |
8031 | 1092 InlineTableSizes sizes; |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1093 Method* m_oop = Method::allocate(loader_data, 0, |
8031 | 1094 accessFlags_from(flags_bits), &sizes, |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1095 ConstMethod::NORMAL, CHECK_(empty)); |
710 | 1096 m = methodHandle(THREAD, m_oop); |
1097 } | |
1098 m->set_constants(cp()); | |
1099 m->set_name_index(_imcp_invoke_name); | |
1100 m->set_signature_index(_imcp_invoke_signature); | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1101 assert(MethodHandles::is_signature_polymorphic_name(m->name()), ""); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1102 assert(m->signature() == signature, ""); |
710 | 1103 #ifdef CC_INTERP |
2256
173926398291
7018673: Zero: 6953144, 6990754 and 7009756 made some changes which broke Zero
twisti
parents:
2177
diff
changeset
|
1104 ResultTypeFinder rtf(signature); |
710 | 1105 m->set_result_index(rtf.type()); |
1106 #endif | |
1107 m->compute_size_of_parameters(THREAD); | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1783
diff
changeset
|
1108 m->init_intrinsic_id(); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1109 assert(m->is_method_handle_intrinsic(), ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1110 #ifdef ASSERT |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1111 if (!MethodHandles::is_signature_polymorphic(m->intrinsic_id())) m->print(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1112 assert(MethodHandles::is_signature_polymorphic(m->intrinsic_id()), "must be an invoker"); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1113 assert(m->intrinsic_id() == iid, "correctly predicted iid"); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1114 #endif //ASSERT |
710 | 1115 |
1116 // Finally, set up its entry points. | |
1117 assert(m->can_be_statically_bound(), ""); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1118 m->set_vtable_index(Method::nonvirtual_vtable_index); |
710 | 1119 m->link_method(m, CHECK_(empty)); |
1120 | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
856
diff
changeset
|
1121 if (TraceMethodHandles && (Verbose || WizardMode)) |
710 | 1122 m->print_on(tty); |
1123 | |
1124 return m; | |
1125 } | |
1126 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1127 Klass* Method::check_non_bcp_klass(Klass* klass) { |
6983 | 1128 if (klass != NULL && klass->class_loader() != NULL) { |
1129 if (klass->oop_is_objArray()) | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6800
diff
changeset
|
1130 klass = ObjArrayKlass::cast(klass)->bottom_klass(); |
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3749
diff
changeset
|
1131 return klass; |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3749
diff
changeset
|
1132 } |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3749
diff
changeset
|
1133 return NULL; |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3749
diff
changeset
|
1134 } |
710 | 1135 |
48
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
1136 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1137 methodHandle Method::clone_with_new_data(methodHandle m, u_char* new_code, int new_code_length, |
0 | 1138 u_char* new_compressed_linenumber_table, int new_compressed_linenumber_size, TRAPS) { |
1139 // Code below does not work for native methods - they should never get rewritten anyway | |
1140 assert(!m->is_native(), "cannot rewrite native methods"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1141 // Allocate new Method* |
0 | 1142 AccessFlags flags = m->access_flags(); |
8031 | 1143 |
1144 ConstMethod* cm = m->constMethod(); | |
1145 int checked_exceptions_len = cm->checked_exceptions_length(); | |
1146 int localvariable_len = cm->localvariable_table_length(); | |
1147 int exception_table_len = cm->exception_table_length(); | |
1148 int method_parameters_len = cm->method_parameters_length(); | |
1149 int method_annotations_len = cm->method_annotations_length(); | |
1150 int parameter_annotations_len = cm->parameter_annotations_length(); | |
1151 int type_annotations_len = cm->type_annotations_length(); | |
1152 int default_annotations_len = cm->default_annotations_length(); | |
1153 | |
1154 InlineTableSizes sizes( | |
1155 localvariable_len, | |
1156 new_compressed_linenumber_size, | |
1157 exception_table_len, | |
1158 checked_exceptions_len, | |
1159 method_parameters_len, | |
1160 cm->generic_signature_index(), | |
1161 method_annotations_len, | |
1162 parameter_annotations_len, | |
1163 type_annotations_len, | |
1164 default_annotations_len, | |
1165 0); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1166 |
6934 | 1167 ClassLoaderData* loader_data = m->method_holder()->class_loader_data(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1168 Method* newm_oop = Method::allocate(loader_data, |
6934 | 1169 new_code_length, |
1170 flags, | |
8031 | 1171 &sizes, |
6934 | 1172 m->method_type(), |
1173 CHECK_(methodHandle())); | |
0 | 1174 methodHandle newm (THREAD, newm_oop); |
1175 int new_method_size = newm->method_size(); | |
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
196
diff
changeset
|
1176 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1177 // Create a shallow copy of Method part, but be careful to preserve the new ConstMethod* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1178 ConstMethod* newcm = newm->constMethod(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1179 int new_const_method_size = newm->constMethod()->size(); |
2226
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
1180 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1181 memcpy(newm(), m(), sizeof(Method)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1182 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1183 // Create shallow copy of ConstMethod. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1184 memcpy(newcm, m->constMethod(), sizeof(ConstMethod)); |
2226
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
1185 |
0 | 1186 // Reset correct method/const method, method size, and parameter info |
1187 newm->set_constMethod(newcm); | |
1188 newm->constMethod()->set_code_size(new_code_length); | |
1189 newm->constMethod()->set_constMethod_size(new_const_method_size); | |
1190 newm->set_method_size(new_method_size); | |
1191 assert(newm->code_size() == new_code_length, "check"); | |
11159
16511b7e3d35
8019632: Method parameters are not copied in clone_with_new_data
emc
parents:
11034
diff
changeset
|
1192 assert(newm->method_parameters_length() == method_parameters_len, "check"); |
0 | 1193 assert(newm->checked_exceptions_length() == checked_exceptions_len, "check"); |
6216
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1194 assert(newm->exception_table_length() == exception_table_len, "check"); |
0 | 1195 assert(newm->localvariable_table_length() == localvariable_len, "check"); |
1196 // Copy new byte codes | |
1197 memcpy(newm->code_base(), new_code, new_code_length); | |
1198 // Copy line number table | |
1199 if (new_compressed_linenumber_size > 0) { | |
1200 memcpy(newm->compressed_linenumber_table(), | |
1201 new_compressed_linenumber_table, | |
1202 new_compressed_linenumber_size); | |
1203 } | |
11159
16511b7e3d35
8019632: Method parameters are not copied in clone_with_new_data
emc
parents:
11034
diff
changeset
|
1204 // Copy method_parameters |
16511b7e3d35
8019632: Method parameters are not copied in clone_with_new_data
emc
parents:
11034
diff
changeset
|
1205 if (method_parameters_len > 0) { |
16511b7e3d35
8019632: Method parameters are not copied in clone_with_new_data
emc
parents:
11034
diff
changeset
|
1206 memcpy(newm->method_parameters_start(), |
16511b7e3d35
8019632: Method parameters are not copied in clone_with_new_data
emc
parents:
11034
diff
changeset
|
1207 m->method_parameters_start(), |
16511b7e3d35
8019632: Method parameters are not copied in clone_with_new_data
emc
parents:
11034
diff
changeset
|
1208 method_parameters_len * sizeof(MethodParametersElement)); |
16511b7e3d35
8019632: Method parameters are not copied in clone_with_new_data
emc
parents:
11034
diff
changeset
|
1209 } |
0 | 1210 // Copy checked_exceptions |
1211 if (checked_exceptions_len > 0) { | |
1212 memcpy(newm->checked_exceptions_start(), | |
1213 m->checked_exceptions_start(), | |
1214 checked_exceptions_len * sizeof(CheckedExceptionElement)); | |
1215 } | |
6216
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1216 // Copy exception table |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1217 if (exception_table_len > 0) { |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1218 memcpy(newm->exception_table_start(), |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1219 m->exception_table_start(), |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1220 exception_table_len * sizeof(ExceptionTableElement)); |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1221 } |
0 | 1222 // Copy local variable number table |
1223 if (localvariable_len > 0) { | |
1224 memcpy(newm->localvariable_table_start(), | |
1225 m->localvariable_table_start(), | |
1226 localvariable_len * sizeof(LocalVariableTableElement)); | |
1227 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1228 // Copy stackmap table |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1229 if (m->has_stackmap_table()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1230 int code_attribute_length = m->stackmap_data()->length(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1231 Array<u1>* stackmap_data = |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1232 MetadataFactory::new_array<u1>(loader_data, code_attribute_length, 0, CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1233 memcpy((void*)stackmap_data->adr_at(0), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1234 (void*)m->stackmap_data()->adr_at(0), code_attribute_length); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1235 newm->set_stackmap_data(stackmap_data); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1236 } |
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
196
diff
changeset
|
1237 |
8837
0c3ee6f1fa23
8009531: Crash when redefining class with annotated method
coleenp
parents:
8751
diff
changeset
|
1238 // copy annotations over to new method |
0c3ee6f1fa23
8009531: Crash when redefining class with annotated method
coleenp
parents:
8751
diff
changeset
|
1239 newcm->copy_annotations_from(cm); |
0 | 1240 return newm; |
1241 } | |
1242 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1243 vmSymbols::SID Method::klass_id_for_intrinsics(Klass* holder) { |
0 | 1244 // if loader is not the default loader (i.e., != NULL), we can't know the intrinsics |
1245 // because we are not loading from core libraries | |
6894 | 1246 // exception: the AES intrinsics come from lib/ext/sunjce_provider.jar |
1247 // which does not use the class default class loader so we check for its loader here | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1248 InstanceKlass* ik = InstanceKlass::cast(holder); |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1249 if ((ik->class_loader() != NULL) && !SystemDictionary::is_ext_class_loader(ik->class_loader())) { |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1250 return vmSymbols::NO_SID; // regardless of name, no intrinsics here |
6894 | 1251 } |
0 | 1252 |
1253 // see if the klass name is well-known: | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8751
diff
changeset
|
1254 Symbol* klass_name = ik->name(); |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1255 return vmSymbols::find_sid(klass_name); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1256 } |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1257 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1258 void Method::init_intrinsic_id() { |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1259 assert(_intrinsic_id == vmIntrinsics::_none, "do this just once"); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1260 const uintptr_t max_id_uint = right_n_bits((int)(sizeof(_intrinsic_id) * BitsPerByte)); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1261 assert((uintptr_t)vmIntrinsics::ID_LIMIT <= max_id_uint, "else fix size"); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1783
diff
changeset
|
1262 assert(intrinsic_id_size_in_bytes() == sizeof(_intrinsic_id), ""); |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1263 |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1264 // the klass name is well-known: |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1265 vmSymbols::SID klass_id = klass_id_for_intrinsics(method_holder()); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1266 assert(klass_id != vmSymbols::NO_SID, "caller responsibility"); |
0 | 1267 |
1268 // ditto for method and signature: | |
1269 vmSymbols::SID name_id = vmSymbols::find_sid(name()); | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1270 if (klass_id != vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1271 && name_id == vmSymbols::NO_SID) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1272 return; |
0 | 1273 vmSymbols::SID sig_id = vmSymbols::find_sid(signature()); |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
1274 if (klass_id != vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle) |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1783
diff
changeset
|
1275 && sig_id == vmSymbols::NO_SID) return; |
0 | 1276 jshort flags = access_flags().as_short(); |
1277 | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1278 vmIntrinsics::ID id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1279 if (id != vmIntrinsics::_none) { |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1280 set_intrinsic_id(id); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1281 return; |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1282 } |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1283 |
0 | 1284 // A few slightly irregular cases: |
1285 switch (klass_id) { | |
1286 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_StrictMath): | |
1287 // Second chance: check in regular Math. | |
1288 switch (name_id) { | |
1289 case vmSymbols::VM_SYMBOL_ENUM_NAME(min_name): | |
1290 case vmSymbols::VM_SYMBOL_ENUM_NAME(max_name): | |
1291 case vmSymbols::VM_SYMBOL_ENUM_NAME(sqrt_name): | |
1292 // pretend it is the corresponding method in the non-strict class: | |
1293 klass_id = vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_Math); | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1294 id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags); |
0 | 1295 break; |
1296 } | |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
1297 break; |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
1298 |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
1299 // Signature-polymorphic methods: MethodHandle.invoke*, InvokeDynamic.*. |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
1300 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle): |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1301 if (!is_native()) break; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1302 id = MethodHandles::signature_polymorphic_name_id(method_holder(), name()); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1303 if (is_static() != MethodHandles::is_signature_polymorphic_static(id)) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1304 id = vmIntrinsics::_none; |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
1305 break; |
0 | 1306 } |
1307 | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1308 if (id != vmIntrinsics::_none) { |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1309 // Set up its iid. It is an alias method. |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1310 set_intrinsic_id(id); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1311 return; |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1312 } |
0 | 1313 } |
1314 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1315 // These two methods are static since a GC may move the Method |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1316 bool Method::load_signature_classes(methodHandle m, TRAPS) { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1317 if (THREAD->is_Compiler_thread()) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1318 // There is nothing useful this routine can do from within the Compile thread. |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1319 // Hopefully, the signature contains only well-known classes. |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1320 // We could scan for this and return true/false, but the caller won't care. |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1321 return false; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1322 } |
0 | 1323 bool sig_is_loaded = true; |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1324 Handle class_loader(THREAD, m->method_holder()->class_loader()); |
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1325 Handle protection_domain(THREAD, m->method_holder()->protection_domain()); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1326 ResourceMark rm(THREAD); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1327 Symbol* signature = m->signature(); |
0 | 1328 for(SignatureStream ss(signature); !ss.is_done(); ss.next()) { |
1329 if (ss.is_object()) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1330 Symbol* sym = ss.as_symbol(CHECK_(false)); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1331 Symbol* name = sym; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1332 Klass* klass = SystemDictionary::resolve_or_null(name, class_loader, |
0 | 1333 protection_domain, THREAD); |
104
541929da62d2
6624474: Server compiler generates unexpected LinkageError
rasbold
parents:
48
diff
changeset
|
1334 // We are loading classes eagerly. If a ClassNotFoundException or |
541929da62d2
6624474: Server compiler generates unexpected LinkageError
rasbold
parents:
48
diff
changeset
|
1335 // a LinkageError was generated, be sure to ignore it. |
0 | 1336 if (HAS_PENDING_EXCEPTION) { |
1142 | 1337 if (PENDING_EXCEPTION->is_a(SystemDictionary::ClassNotFoundException_klass()) || |
1338 PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) { | |
0 | 1339 CLEAR_PENDING_EXCEPTION; |
1340 } else { | |
1341 return false; | |
1342 } | |
1343 } | |
1344 if( klass == NULL) { sig_is_loaded = false; } | |
1345 } | |
1346 } | |
1347 return sig_is_loaded; | |
1348 } | |
1349 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1350 bool Method::has_unloaded_classes_in_signature(methodHandle m, TRAPS) { |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1351 Handle class_loader(THREAD, m->method_holder()->class_loader()); |
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1352 Handle protection_domain(THREAD, m->method_holder()->protection_domain()); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1353 ResourceMark rm(THREAD); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1354 Symbol* signature = m->signature(); |
0 | 1355 for(SignatureStream ss(signature); !ss.is_done(); ss.next()) { |
1356 if (ss.type() == T_OBJECT) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1357 Symbol* name = ss.as_symbol_or_null(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1358 if (name == NULL) return true; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1359 Klass* klass = SystemDictionary::find(name, class_loader, protection_domain, THREAD); |
0 | 1360 if (klass == NULL) return true; |
1361 } | |
1362 } | |
1363 return false; | |
1364 } | |
1365 | |
1366 // Exposed so field engineers can debug VM | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1367 void Method::print_short_name(outputStream* st) { |
0 | 1368 ResourceMark rm; |
1369 #ifdef PRODUCT | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1370 st->print(" %s::", method_holder()->external_name()); |
0 | 1371 #else |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1372 st->print(" %s::", method_holder()->internal_name()); |
0 | 1373 #endif |
1374 name()->print_symbol_on(st); | |
1375 if (WizardMode) signature()->print_symbol_on(st); | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1376 else if (MethodHandles::is_signature_polymorphic(intrinsic_id())) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1377 MethodHandles::print_as_basic_type_signature_on(st, signature(), true); |
0 | 1378 } |
1379 | |
3779 | 1380 // Comparer for sorting an object array containing |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1381 // Method*s. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1382 static int method_comparator(Method* a, Method* b) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1383 return a->name()->fast_compare(b->name()); |
3929
f94227b6117b
7090259: Fix hotspot sources to build with old compilers
kvn
parents:
3891
diff
changeset
|
1384 } |
0 | 1385 |
1386 // This is only done during class loading, so it is OK to assume method_idnum matches the methods() array | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
1387 // default_methods also uses this without the ordering for fast find_method |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
1388 void Method::sort_methods(Array<Method*>* methods, bool idempotent, bool set_idnums) { |
0 | 1389 int length = methods->length(); |
1390 if (length > 1) { | |
3779 | 1391 { |
1392 No_Safepoint_Verifier nsv; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1393 QuickSort::sort<Method*>(methods->data(), length, method_comparator, idempotent); |
0 | 1394 } |
1395 // Reset method ordering | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
1396 if (set_idnums) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
1397 for (int i = 0; i < length; i++) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
1398 Method* m = methods->at(i); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
1399 m->set_method_idnum(i); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12324
diff
changeset
|
1400 } |
0 | 1401 } |
1402 } | |
1403 } | |
1404 | |
1405 //----------------------------------------------------------------------------------- | |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1406 // Non-product code unless JVM/TI needs it |
0 | 1407 |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1408 #if !defined(PRODUCT) || INCLUDE_JVMTI |
0 | 1409 class SignatureTypePrinter : public SignatureTypeNames { |
1410 private: | |
1411 outputStream* _st; | |
1412 bool _use_separator; | |
1413 | |
1414 void type_name(const char* name) { | |
1415 if (_use_separator) _st->print(", "); | |
1416 _st->print(name); | |
1417 _use_separator = true; | |
1418 } | |
1419 | |
1420 public: | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1421 SignatureTypePrinter(Symbol* signature, outputStream* st) : SignatureTypeNames(signature) { |
0 | 1422 _st = st; |
1423 _use_separator = false; | |
1424 } | |
1425 | |
1426 void print_parameters() { _use_separator = false; iterate_parameters(); } | |
1427 void print_returntype() { _use_separator = false; iterate_returntype(); } | |
1428 }; | |
1429 | |
1430 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1431 void Method::print_name(outputStream* st) { |
0 | 1432 Thread *thread = Thread::current(); |
1433 ResourceMark rm(thread); | |
1434 SignatureTypePrinter sig(signature(), st); | |
1435 st->print("%s ", is_static() ? "static" : "virtual"); | |
1436 sig.print_returntype(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1437 st->print(" %s.", method_holder()->internal_name()); |
0 | 1438 name()->print_symbol_on(st); |
1439 st->print("("); | |
1440 sig.print_parameters(); | |
1441 st->print(")"); | |
1442 } | |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1443 #endif // !PRODUCT || INCLUDE_JVMTI |
0 | 1444 |
1445 | |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1446 //----------------------------------------------------------------------------------- |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1447 // Non-product code |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1448 |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1449 #ifndef PRODUCT |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1450 void Method::print_codes_on(outputStream* st) const { |
0 | 1451 print_codes_on(0, code_size(), st); |
1452 } | |
1453 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1454 void Method::print_codes_on(int from, int to, outputStream* st) const { |
0 | 1455 Thread *thread = Thread::current(); |
1456 ResourceMark rm(thread); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1457 methodHandle mh (thread, (Method*)this); |
0 | 1458 BytecodeStream s(mh); |
1459 s.set_interval(from, to); | |
1460 BytecodeTracer::set_closure(BytecodeTracer::std_closure()); | |
1461 while (s.next() >= 0) BytecodeTracer::trace(mh, s.bcp(), st); | |
1462 } | |
1463 #endif // not PRODUCT | |
1464 | |
1465 | |
1466 // Simple compression of line number tables. We use a regular compressed stream, except that we compress deltas | |
1467 // between (bci,line) pairs since they are smaller. If (bci delta, line delta) fits in (5-bit unsigned, 3-bit unsigned) | |
1468 // we save it as one byte, otherwise we write a 0xFF escape character and use regular compression. 0x0 is used | |
1469 // as end-of-stream terminator. | |
1470 | |
1471 void CompressedLineNumberWriteStream::write_pair_regular(int bci_delta, int line_delta) { | |
1472 // bci and line number does not compress into single byte. | |
1473 // Write out escape character and use regular compression for bci and line number. | |
1474 write_byte((jubyte)0xFF); | |
1475 write_signed_int(bci_delta); | |
1476 write_signed_int(line_delta); | |
1477 } | |
1478 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1479 // See comment in method.hpp which explains why this exists. |
2233
15d6977f04b0
7017824: Add support for creating 64-bit Visual Studio projects
sla
parents:
2177
diff
changeset
|
1480 #if defined(_M_AMD64) && _MSC_VER >= 1400 |
0 | 1481 #pragma optimize("", off) |
1482 void CompressedLineNumberWriteStream::write_pair(int bci, int line) { | |
1483 write_pair_inline(bci, line); | |
1484 } | |
1485 #pragma optimize("", on) | |
1486 #endif | |
1487 | |
1488 CompressedLineNumberReadStream::CompressedLineNumberReadStream(u_char* buffer) : CompressedReadStream(buffer) { | |
1489 _bci = 0; | |
1490 _line = 0; | |
1491 }; | |
1492 | |
1493 | |
1494 bool CompressedLineNumberReadStream::read_pair() { | |
1495 jubyte next = read_byte(); | |
1496 // Check for terminator | |
1497 if (next == 0) return false; | |
1498 if (next == 0xFF) { | |
1499 // Escape character, regular compression used | |
1500 _bci += read_signed_int(); | |
1501 _line += read_signed_int(); | |
1502 } else { | |
1503 // Single byte compression used | |
1504 _bci += next >> 3; | |
1505 _line += next & 0x7; | |
1506 } | |
1507 return true; | |
1508 } | |
1509 | |
1510 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1511 Bytecodes::Code Method::orig_bytecode_at(int bci) const { |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1512 BreakpointInfo* bp = method_holder()->breakpoints(); |
0 | 1513 for (; bp != NULL; bp = bp->next()) { |
1514 if (bp->match(this, bci)) { | |
1515 return bp->orig_bytecode(); | |
1516 } | |
1517 } | |
13010
bd3237e0e18d
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
12823
diff
changeset
|
1518 { |
bd3237e0e18d
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
12823
diff
changeset
|
1519 ResourceMark rm; |
bd3237e0e18d
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
12823
diff
changeset
|
1520 fatal(err_msg("no original bytecode found in %s at bci %d", name_and_sig_as_C_string(), bci)); |
bd3237e0e18d
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
12823
diff
changeset
|
1521 } |
0 | 1522 return Bytecodes::_shouldnotreachhere; |
1523 } | |
1524 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1525 void Method::set_orig_bytecode_at(int bci, Bytecodes::Code code) { |
0 | 1526 assert(code != Bytecodes::_breakpoint, "cannot patch breakpoints this way"); |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1527 BreakpointInfo* bp = method_holder()->breakpoints(); |
0 | 1528 for (; bp != NULL; bp = bp->next()) { |
1529 if (bp->match(this, bci)) { | |
1530 bp->set_orig_bytecode(code); | |
1531 // and continue, in case there is more than one | |
1532 } | |
1533 } | |
1534 } | |
1535 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1536 void Method::set_breakpoint(int bci) { |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1537 InstanceKlass* ik = method_holder(); |
0 | 1538 BreakpointInfo *bp = new BreakpointInfo(this, bci); |
1539 bp->set_next(ik->breakpoints()); | |
1540 ik->set_breakpoints(bp); | |
1541 // do this last: | |
1542 bp->set(this); | |
1543 } | |
1544 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1545 static void clear_matches(Method* m, int bci) { |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1546 InstanceKlass* ik = m->method_holder(); |
0 | 1547 BreakpointInfo* prev_bp = NULL; |
1548 BreakpointInfo* next_bp; | |
1549 for (BreakpointInfo* bp = ik->breakpoints(); bp != NULL; bp = next_bp) { | |
1550 next_bp = bp->next(); | |
1551 // bci value of -1 is used to delete all breakpoints in method m (ex: clear_all_breakpoint). | |
1552 if (bci >= 0 ? bp->match(m, bci) : bp->match(m)) { | |
1553 // do this first: | |
1554 bp->clear(m); | |
1555 // unhook it | |
1556 if (prev_bp != NULL) | |
1557 prev_bp->set_next(next_bp); | |
1558 else | |
1559 ik->set_breakpoints(next_bp); | |
1560 delete bp; | |
1561 // When class is redefined JVMTI sets breakpoint in all versions of EMCP methods | |
1562 // at same location. So we have multiple matching (method_index and bci) | |
1563 // BreakpointInfo nodes in BreakpointInfo list. We should just delete one | |
1564 // breakpoint for clear_breakpoint request and keep all other method versions | |
1565 // BreakpointInfo for future clear_breakpoint request. | |
1566 // bcivalue of -1 is used to clear all breakpoints (see clear_all_breakpoints) | |
1567 // which is being called when class is unloaded. We delete all the Breakpoint | |
1568 // information for all versions of method. We may not correctly restore the original | |
1569 // bytecode in all method versions, but that is ok. Because the class is being unloaded | |
1570 // so these methods won't be used anymore. | |
1571 if (bci >= 0) { | |
1572 break; | |
1573 } | |
1574 } else { | |
1575 // This one is a keeper. | |
1576 prev_bp = bp; | |
1577 } | |
1578 } | |
1579 } | |
1580 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1581 void Method::clear_breakpoint(int bci) { |
0 | 1582 assert(bci >= 0, ""); |
1583 clear_matches(this, bci); | |
1584 } | |
1585 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1586 void Method::clear_all_breakpoints() { |
0 | 1587 clear_matches(this, -1); |
1588 } | |
1589 | |
1590 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1591 int Method::invocation_count() { |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1592 MethodCounters *mcs = method_counters(); |
1783 | 1593 if (TieredCompilation) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1594 MethodData* const mdo = method_data(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1595 if (((mcs != NULL) ? mcs->invocation_counter()->carry() : false) || |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1596 ((mdo != NULL) ? mdo->invocation_counter()->carry() : false)) { |
1783 | 1597 return InvocationCounter::count_limit; |
1598 } else { | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1599 return ((mcs != NULL) ? mcs->invocation_counter()->count() : 0) + |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1600 ((mdo != NULL) ? mdo->invocation_counter()->count() : 0); |
1783 | 1601 } |
1602 } else { | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1603 return (mcs == NULL) ? 0 : mcs->invocation_counter()->count(); |
1783 | 1604 } |
1605 } | |
1606 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1607 int Method::backedge_count() { |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1608 MethodCounters *mcs = method_counters(); |
1783 | 1609 if (TieredCompilation) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1610 MethodData* const mdo = method_data(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1611 if (((mcs != NULL) ? mcs->backedge_counter()->carry() : false) || |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1612 ((mdo != NULL) ? mdo->backedge_counter()->carry() : false)) { |
1783 | 1613 return InvocationCounter::count_limit; |
1614 } else { | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1615 return ((mcs != NULL) ? mcs->backedge_counter()->count() : 0) + |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1616 ((mdo != NULL) ? mdo->backedge_counter()->count() : 0); |
1783 | 1617 } |
1618 } else { | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1619 return (mcs == NULL) ? 0 : mcs->backedge_counter()->count(); |
1783 | 1620 } |
1621 } | |
1622 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1623 int Method::highest_comp_level() const { |
10265
92ef81e2f571
8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents:
10206
diff
changeset
|
1624 const MethodData* mdo = method_data(); |
1783 | 1625 if (mdo != NULL) { |
1626 return mdo->highest_comp_level(); | |
1627 } else { | |
1628 return CompLevel_none; | |
1629 } | |
1630 } | |
1631 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1632 int Method::highest_osr_comp_level() const { |
10265
92ef81e2f571
8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents:
10206
diff
changeset
|
1633 const MethodData* mdo = method_data(); |
1783 | 1634 if (mdo != NULL) { |
1635 return mdo->highest_osr_comp_level(); | |
1636 } else { | |
1637 return CompLevel_none; | |
1638 } | |
1639 } | |
1640 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1641 void Method::set_highest_comp_level(int level) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1642 MethodData* mdo = method_data(); |
1783 | 1643 if (mdo != NULL) { |
1644 mdo->set_highest_comp_level(level); | |
1645 } | |
1646 } | |
1647 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1648 void Method::set_highest_osr_comp_level(int level) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1649 MethodData* mdo = method_data(); |
1783 | 1650 if (mdo != NULL) { |
1651 mdo->set_highest_osr_comp_level(level); | |
1652 } | |
1653 } | |
1654 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1655 BreakpointInfo::BreakpointInfo(Method* m, int bci) { |
0 | 1656 _bci = bci; |
1657 _name_index = m->name_index(); | |
1658 _signature_index = m->signature_index(); | |
1659 _orig_bytecode = (Bytecodes::Code) *m->bcp_from(_bci); | |
1660 if (_orig_bytecode == Bytecodes::_breakpoint) | |
1661 _orig_bytecode = m->orig_bytecode_at(_bci); | |
1662 _next = NULL; | |
1663 } | |
1664 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1665 void BreakpointInfo::set(Method* method) { |
0 | 1666 #ifdef ASSERT |
1667 { | |
1668 Bytecodes::Code code = (Bytecodes::Code) *method->bcp_from(_bci); | |
1669 if (code == Bytecodes::_breakpoint) | |
1670 code = method->orig_bytecode_at(_bci); | |
1671 assert(orig_bytecode() == code, "original bytecode must be the same"); | |
1672 } | |
1673 #endif | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1674 Thread *thread = Thread::current(); |
0 | 1675 *method->bcp_from(_bci) = Bytecodes::_breakpoint; |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1676 method->incr_number_of_breakpoints(thread); |
0 | 1677 SystemDictionary::notice_modification(); |
1678 { | |
1679 // Deoptimize all dependents on this method | |
1680 HandleMark hm(thread); | |
1681 methodHandle mh(thread, method); | |
1682 Universe::flush_dependents_on_method(mh); | |
1683 } | |
1684 } | |
1685 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1686 void BreakpointInfo::clear(Method* method) { |
0 | 1687 *method->bcp_from(_bci) = orig_bytecode(); |
1688 assert(method->number_of_breakpoints() > 0, "must not go negative"); | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8880
diff
changeset
|
1689 method->decr_number_of_breakpoints(Thread::current()); |
0 | 1690 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1691 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1692 // jmethodID handling |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1693 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1694 // This is a block allocating object, sort of like JNIHandleBlock, only a |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1695 // lot simpler. There aren't many of these, they aren't long, they are rarely |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1696 // deleted and so we can do some suboptimal things. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1697 // It's allocated on the CHeap because once we allocate a jmethodID, we can |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1698 // never get rid of it. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1699 // It would be nice to be able to parameterize the number of methods for |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1700 // the null_class_loader but then we'd have to turn this and ClassLoaderData |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1701 // into templates. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1702 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1703 // I feel like this brain dead class should exist somewhere in the STL |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1704 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1705 class JNIMethodBlock : public CHeapObj<mtClass> { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1706 enum { number_of_methods = 8 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1707 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1708 Method* _methods[number_of_methods]; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1709 int _top; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1710 JNIMethodBlock* _next; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1711 public: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1712 static Method* const _free_method; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1713 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1714 JNIMethodBlock() : _next(NULL), _top(0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1715 for (int i = 0; i< number_of_methods; i++) _methods[i] = _free_method; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1716 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1717 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1718 Method** add_method(Method* m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1719 if (_top < number_of_methods) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1720 // top points to the next free entry. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1721 int i = _top; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1722 _methods[i] = m; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1723 _top++; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1724 return &_methods[i]; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1725 } else if (_top == number_of_methods) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1726 // if the next free entry ran off the block see if there's a free entry |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1727 for (int i = 0; i< number_of_methods; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1728 if (_methods[i] == _free_method) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1729 _methods[i] = m; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1730 return &_methods[i]; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1731 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1732 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1733 // Only check each block once for frees. They're very unlikely. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1734 // Increment top past the end of the block. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1735 _top++; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1736 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1737 // need to allocate a next block. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1738 if (_next == NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1739 _next = new JNIMethodBlock(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1740 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1741 return _next->add_method(m); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1742 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1743 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1744 bool contains(Method** m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1745 for (JNIMethodBlock* b = this; b != NULL; b = b->_next) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1746 for (int i = 0; i< number_of_methods; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1747 if (&(b->_methods[i]) == m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1748 return true; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1749 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1750 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1751 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1752 return false; // not found |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1753 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1754 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1755 // Doesn't really destroy it, just marks it as free so it can be reused. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1756 void destroy_method(Method** m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1757 #ifdef ASSERT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1758 assert(contains(m), "should be a methodID"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1759 #endif // ASSERT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1760 *m = _free_method; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1761 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1762 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1763 // During class unloading the methods are cleared, which is different |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1764 // than freed. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1765 void clear_all_methods() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1766 for (JNIMethodBlock* b = this; b != NULL; b = b->_next) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1767 for (int i = 0; i< number_of_methods; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1768 _methods[i] = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1769 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1770 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1771 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1772 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1773 int count_methods() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1774 // count all allocated methods |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1775 int count = 0; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1776 for (JNIMethodBlock* b = this; b != NULL; b = b->_next) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1777 for (int i = 0; i< number_of_methods; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1778 if (_methods[i] != _free_method) count++; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1779 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1780 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1781 return count; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1782 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1783 #endif // PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1784 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1785 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1786 // Something that can't be mistaken for an address or a markOop |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1787 Method* const JNIMethodBlock::_free_method = (Method*)55; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1788 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1789 // Add a method id to the jmethod_ids |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1790 jmethodID Method::make_jmethod_id(ClassLoaderData* loader_data, Method* m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1791 ClassLoaderData* cld = loader_data; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1792 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1793 if (!SafepointSynchronize::is_at_safepoint()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1794 // Have to add jmethod_ids() to class loader data thread-safely. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1795 // Also have to add the method to the list safely, which the cld lock |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1796 // protects as well. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1797 MutexLockerEx ml(cld->metaspace_lock(), Mutex::_no_safepoint_check_flag); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1798 if (cld->jmethod_ids() == NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1799 cld->set_jmethod_ids(new JNIMethodBlock()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1800 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1801 // jmethodID is a pointer to Method* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1802 return (jmethodID)cld->jmethod_ids()->add_method(m); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1803 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1804 // At safepoint, we are single threaded and can set this. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1805 if (cld->jmethod_ids() == NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1806 cld->set_jmethod_ids(new JNIMethodBlock()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1807 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1808 // jmethodID is a pointer to Method* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1809 return (jmethodID)cld->jmethod_ids()->add_method(m); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1810 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1811 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1812 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1813 // Mark a jmethodID as free. This is called when there is a data race in |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1814 // InstanceKlass while creating the jmethodID cache. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1815 void Method::destroy_jmethod_id(ClassLoaderData* loader_data, jmethodID m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1816 ClassLoaderData* cld = loader_data; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1817 Method** ptr = (Method**)m; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1818 assert(cld->jmethod_ids() != NULL, "should have method handles"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1819 cld->jmethod_ids()->destroy_method(ptr); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1820 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1821 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1822 void Method::change_method_associated_with_jmethod_id(jmethodID jmid, Method* new_method) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1823 // Can't assert the method_holder is the same because the new method has the |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1824 // scratch method holder. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1825 assert(resolve_jmethod_id(jmid)->method_holder()->class_loader() |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1826 == new_method->method_holder()->class_loader(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1827 "changing to a different class loader"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1828 // Just change the method in place, jmethodID pointer doesn't change. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1829 *((Method**)jmid) = new_method; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1830 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1831 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1832 bool Method::is_method_id(jmethodID mid) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1833 Method* m = resolve_jmethod_id(mid); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1834 assert(m != NULL, "should be called with non-null method"); |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1835 InstanceKlass* ik = m->method_holder(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1836 ClassLoaderData* cld = ik->class_loader_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1837 if (cld->jmethod_ids() == NULL) return false; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1838 return (cld->jmethod_ids()->contains((Method**)mid)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1839 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1840 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1841 Method* Method::checked_resolve_jmethod_id(jmethodID mid) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1842 if (mid == NULL) return NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1843 Method* o = resolve_jmethod_id(mid); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1844 if (o == NULL || o == JNIMethodBlock::_free_method || !((Metadata*)o)->is_method()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1845 return NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1846 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1847 return o; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1848 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1849 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1850 void Method::set_on_stack(const bool value) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1851 // Set both the method itself and its constant pool. The constant pool |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1852 // on stack means some method referring to it is also on the stack. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1853 _access_flags.set_on_stack(value); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1854 constants()->set_on_stack(value); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1855 if (value) MetadataOnStackMark::record(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1856 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1857 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1858 // Called when the class loader is unloaded to make all methods weak. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1859 void Method::clear_jmethod_ids(ClassLoaderData* loader_data) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1860 loader_data->jmethod_ids()->clear_all_methods(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1861 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1862 |
7176
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1863 |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1864 // Check that this pointer is valid by checking that the vtbl pointer matches |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1865 bool Method::is_valid_method() const { |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1866 if (this == NULL) { |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1867 return false; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1868 } else if (!is_metaspace_object()) { |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1869 return false; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1870 } else { |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1871 Method m; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1872 // This assumes that the vtbl pointer is the first word of a C++ object. |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1873 // This assumption is also in universe.cpp patch_klass_vtble |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1874 void* vtbl2 = dereference_vptr((void*)&m); |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1875 void* this_vtbl = dereference_vptr((void*)this); |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1876 return vtbl2 == this_vtbl; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1877 } |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1878 } |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1879 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1880 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1881 void Method::print_jmethod_ids(ClassLoaderData* loader_data, outputStream* out) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1882 out->print_cr("jni_method_id count = %d", loader_data->jmethod_ids()->count_methods()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1883 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1884 #endif // PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1885 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1886 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1887 // Printing |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1888 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1889 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1890 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1891 void Method::print_on(outputStream* st) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1892 ResourceMark rm; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1893 assert(is_method(), "must be method"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1894 st->print_cr(internal_name()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1895 // get the effect of PrintOopAddress, always, for methods: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1896 st->print_cr(" - this oop: "INTPTR_FORMAT, (intptr_t)this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1897 st->print (" - method holder: "); method_holder()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1898 st->print (" - constants: "INTPTR_FORMAT" ", (address)constants()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1899 constants()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1900 st->print (" - access: 0x%x ", access_flags().as_int()); access_flags().print_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1901 st->print (" - name: "); name()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1902 st->print (" - signature: "); signature()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1903 st->print_cr(" - max stack: %d", max_stack()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1904 st->print_cr(" - max locals: %d", max_locals()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1905 st->print_cr(" - size of params: %d", size_of_parameters()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1906 st->print_cr(" - method size: %d", method_size()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1907 if (intrinsic_id() != vmIntrinsics::_none) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1908 st->print_cr(" - intrinsic id: %d %s", intrinsic_id(), vmIntrinsics::name_at(intrinsic_id())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1909 if (highest_comp_level() != CompLevel_none) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1910 st->print_cr(" - highest level: %d", highest_comp_level()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1911 st->print_cr(" - vtable index: %d", _vtable_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1912 st->print_cr(" - i2i entry: " INTPTR_FORMAT, interpreter_entry()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1913 st->print( " - adapters: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1914 AdapterHandlerEntry* a = ((Method*)this)->adapter(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1915 if (a == NULL) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1916 st->print_cr(INTPTR_FORMAT, a); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1917 else |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1918 a->print_adapter_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1919 st->print_cr(" - compiled entry " INTPTR_FORMAT, from_compiled_entry()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1920 st->print_cr(" - code size: %d", code_size()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1921 if (code_size() != 0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1922 st->print_cr(" - code start: " INTPTR_FORMAT, code_base()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1923 st->print_cr(" - code end (excl): " INTPTR_FORMAT, code_base() + code_size()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1924 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1925 if (method_data() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1926 st->print_cr(" - method data: " INTPTR_FORMAT, (address)method_data()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1927 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1928 st->print_cr(" - checked ex length: %d", checked_exceptions_length()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1929 if (checked_exceptions_length() > 0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1930 CheckedExceptionElement* table = checked_exceptions_start(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1931 st->print_cr(" - checked ex start: " INTPTR_FORMAT, table); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1932 if (Verbose) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1933 for (int i = 0; i < checked_exceptions_length(); i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1934 st->print_cr(" - throws %s", constants()->printable_name_at(table[i].class_cp_index)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1935 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1936 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1937 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1938 if (has_linenumber_table()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1939 u_char* table = compressed_linenumber_table(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1940 st->print_cr(" - linenumber start: " INTPTR_FORMAT, table); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1941 if (Verbose) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1942 CompressedLineNumberReadStream stream(table); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1943 while (stream.read_pair()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1944 st->print_cr(" - line %d: %d", stream.line(), stream.bci()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1945 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1946 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1947 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1948 st->print_cr(" - localvar length: %d", localvariable_table_length()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1949 if (localvariable_table_length() > 0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1950 LocalVariableTableElement* table = localvariable_table_start(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1951 st->print_cr(" - localvar start: " INTPTR_FORMAT, table); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1952 if (Verbose) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1953 for (int i = 0; i < localvariable_table_length(); i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1954 int bci = table[i].start_bci; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1955 int len = table[i].length; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1956 const char* name = constants()->printable_name_at(table[i].name_cp_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1957 const char* desc = constants()->printable_name_at(table[i].descriptor_cp_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1958 int slot = table[i].slot; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1959 st->print_cr(" - %s %s bci=%d len=%d slot=%d", desc, name, bci, len, slot); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1960 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1961 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1962 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1963 if (code() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1964 st->print (" - compiled code: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1965 code()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1966 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1967 if (is_native()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1968 st->print_cr(" - native function: " INTPTR_FORMAT, native_function()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1969 st->print_cr(" - signature handler: " INTPTR_FORMAT, signature_handler()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1970 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1971 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1972 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1973 #endif //PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1974 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1975 void Method::print_value_on(outputStream* st) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1976 assert(is_method(), "must be method"); |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
1977 st->print(internal_name()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1978 print_address_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1979 st->print(" "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1980 name()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1981 st->print(" "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1982 signature()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1983 st->print(" in "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1984 method_holder()->print_value_on(st); |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
1985 if (WizardMode) st->print("#%d", _vtable_index); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1986 if (WizardMode) st->print("[%d,%d]", size_of_parameters(), max_locals()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1987 if (WizardMode && code() != NULL) st->print(" ((nmethod*)%p)", code()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1988 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1989 |
7956 | 1990 #if INCLUDE_SERVICES |
1991 // Size Statistics | |
1992 void Method::collect_statistics(KlassSizeStats *sz) const { | |
1993 int mysize = sz->count(this); | |
1994 sz->_method_bytes += mysize; | |
1995 sz->_method_all_bytes += mysize; | |
1996 sz->_rw_bytes += mysize; | |
1997 | |
1998 if (constMethod()) { | |
1999 constMethod()->collect_statistics(sz); | |
2000 } | |
2001 if (method_data()) { | |
2002 method_data()->collect_statistics(sz); | |
2003 } | |
2004 } | |
2005 #endif // INCLUDE_SERVICES | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2006 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2007 // Verification |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2008 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2009 void Method::verify_on(outputStream* st) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2010 guarantee(is_method(), "object must be method"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2011 guarantee(constants()->is_constantPool(), "should be constant pool"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2012 guarantee(constMethod()->is_constMethod(), "should be ConstMethod*"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2013 MethodData* md = method_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2014 guarantee(md == NULL || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2015 md->is_methodData(), "should be method data"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2016 } |