Mercurial > hg > graal-compiler
annotate src/share/vm/oops/method.cpp @ 8025:461a3adac4d1
Merge
author | sspitsyn |
---|---|
date | Fri, 08 Feb 2013 09:14:06 -0800 |
parents | d05ff4bf41b3 8d9fc28831cc |
children | 927a311d00f9 |
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, | |
64 int compressed_line_number_size, | |
65 int localvariable_table_length, | |
66 int exception_table_length, | |
67 int checked_exceptions_length, | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
68 int method_parameters_length, |
7183
b2dbd323c668
8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents:
6983
diff
changeset
|
69 u2 generic_signature_index, |
6934 | 70 ConstMethod::MethodType method_type, |
71 TRAPS) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
72 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
|
73 "native methods should not contain byte codes"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
74 ConstMethod* cm = ConstMethod::allocate(loader_data, |
6934 | 75 byte_code_size, |
76 compressed_line_number_size, | |
77 localvariable_table_length, | |
78 exception_table_length, | |
79 checked_exceptions_length, | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
80 method_parameters_length, |
7183
b2dbd323c668
8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents:
6983
diff
changeset
|
81 generic_signature_index, |
6934 | 82 method_type, |
83 CHECK_NULL); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
84 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
85 int size = Method::size(access_flags.is_native()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
86 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
87 return new (loader_data, size, false, THREAD) Method(cm, access_flags, size); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
88 } |
0 | 89 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
90 Method::Method(ConstMethod* xconst, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
91 AccessFlags access_flags, int size) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
92 No_Safepoint_Verifier no_safepoint; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
93 set_constMethod(xconst); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
94 set_access_flags(access_flags); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
95 set_method_size(size); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
96 set_name_index(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
97 set_signature_index(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
98 #ifdef CC_INTERP |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
99 set_result_index(T_VOID); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
100 #endif |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
101 set_constants(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
102 set_max_stack(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
103 set_max_locals(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
104 set_intrinsic_id(vmIntrinsics::_none); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
105 set_jfr_towrite(false); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
106 set_method_data(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
107 set_interpreter_throwout_count(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
108 set_vtable_index(Method::garbage_vtable_index); |
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 // Fix and bury in Method* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
111 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
|
112 set_adapter_entry(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
113 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
|
114 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
115 if (access_flags.is_native()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
116 clear_native_function(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
117 set_signature_handler(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
118 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
119 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
120 NOT_PRODUCT(set_compiled_invocation_count(0);) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
121 set_interpreter_invocation_count(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
122 invocation_counter()->init(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
123 backedge_counter()->init(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
124 clear_number_of_breakpoints(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
125 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
126 #ifdef TIERED |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
127 set_rate(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
128 set_prev_event_count(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
129 set_prev_time(0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
130 #endif |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
131 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
132 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
133 // 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
|
134 // we've walked the code cache. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
135 void Method::deallocate_contents(ClassLoaderData* loader_data) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
136 MetadataFactory::free_metadata(loader_data, constMethod()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
137 set_constMethod(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
138 MetadataFactory::free_metadata(loader_data, method_data()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
139 set_method_data(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
140 // 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
|
141 if (code() != NULL) _code = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
142 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
143 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
144 address Method::get_i2c_entry() { |
0 | 145 assert(_adapter != NULL, "must have"); |
146 return _adapter->get_i2c_entry(); | |
147 } | |
148 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
149 address Method::get_c2i_entry() { |
0 | 150 assert(_adapter != NULL, "must have"); |
151 return _adapter->get_c2i_entry(); | |
152 } | |
153 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
154 address Method::get_c2i_unverified_entry() { |
0 | 155 assert(_adapter != NULL, "must have"); |
156 return _adapter->get_c2i_unverified_entry(); | |
157 } | |
158 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
159 char* Method::name_and_sig_as_C_string() const { |
6983 | 160 return name_and_sig_as_C_string(constants()->pool_holder(), name(), signature()); |
0 | 161 } |
162 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
163 char* Method::name_and_sig_as_C_string(char* buf, int size) const { |
6983 | 164 return name_and_sig_as_C_string(constants()->pool_holder(), name(), signature(), buf, size); |
0 | 165 } |
166 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
167 char* Method::name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature) { |
0 | 168 const char* klass_name = klass->external_name(); |
169 int klass_name_len = (int)strlen(klass_name); | |
170 int method_name_len = method_name->utf8_length(); | |
171 int len = klass_name_len + 1 + method_name_len + signature->utf8_length(); | |
172 char* dest = NEW_RESOURCE_ARRAY(char, len + 1); | |
173 strcpy(dest, klass_name); | |
174 dest[klass_name_len] = '.'; | |
175 strcpy(&dest[klass_name_len + 1], method_name->as_C_string()); | |
176 strcpy(&dest[klass_name_len + 1 + method_name_len], signature->as_C_string()); | |
177 dest[len] = 0; | |
178 return dest; | |
179 } | |
180 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
181 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
|
182 Symbol* klass_name = klass->name(); |
0 | 183 klass_name->as_klass_external_name(buf, size); |
184 int len = (int)strlen(buf); | |
185 | |
186 if (len < size - 1) { | |
187 buf[len++] = '.'; | |
188 | |
189 method_name->as_C_string(&(buf[len]), size - len); | |
190 len = (int)strlen(buf); | |
191 | |
192 signature->as_C_string(&(buf[len]), size - len); | |
193 } | |
194 | |
195 return buf; | |
196 } | |
197 | |
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7184
diff
changeset
|
198 int Method::fast_exception_handler_bci_for(methodHandle mh, KlassHandle ex_klass, int throw_bci, TRAPS) { |
0 | 199 // exception table holds quadruple entries of the form (beg_bci, end_bci, handler_bci, klass_index) |
200 // access exception table | |
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7184
diff
changeset
|
201 ExceptionTable table(mh()); |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
202 int length = table.length(); |
0 | 203 // 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
|
204 constantPoolHandle pool(THREAD, mh->constants()); |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
205 for (int i = 0; i < length; i ++) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
206 //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
|
207 ExceptionTable table(mh()); |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
208 int beg_bci = table.start_pc(i); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
209 int end_bci = table.end_pc(i); |
0 | 210 assert(beg_bci <= end_bci, "inconsistent exception table"); |
211 if (beg_bci <= throw_bci && throw_bci < end_bci) { | |
212 // 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
|
213 int handler_bci = table.handler_pc(i); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
214 int klass_index = table.catch_type_index(i); |
0 | 215 if (klass_index == 0) { |
216 return handler_bci; | |
217 } else if (ex_klass.is_null()) { | |
218 return handler_bci; | |
219 } else { | |
220 // we know the exception class => get the constraint class | |
221 // this may require loading of the constraint class; if verification | |
222 // 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
|
223 Klass* k = pool->klass_at(klass_index, CHECK_(handler_bci)); |
0 | 224 KlassHandle klass = KlassHandle(THREAD, k); |
225 assert(klass.not_null(), "klass not loaded"); | |
226 if (ex_klass->is_subtype_of(klass())) { | |
227 return handler_bci; | |
228 } | |
229 } | |
230 } | |
231 } | |
232 | |
233 return -1; | |
234 } | |
235 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
236 void Method::mask_for(int bci, InterpreterOopMap* mask) { |
0 | 237 |
238 Thread* myThread = Thread::current(); | |
239 methodHandle h_this(myThread, this); | |
240 #ifdef ASSERT | |
241 bool has_capability = myThread->is_VM_thread() || | |
242 myThread->is_ConcurrentGC_thread() || | |
243 myThread->is_GC_task_thread(); | |
244 | |
245 if (!has_capability) { | |
246 if (!VerifyStack && !VerifyLastFrame) { | |
247 // verify stack calls this outside VM thread | |
248 warning("oopmap should only be accessed by the " | |
249 "VM, GC task or CMS threads (or during debugging)"); | |
250 InterpreterOopMap local_mask; | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
251 method_holder()->mask_for(h_this, bci, &local_mask); |
0 | 252 local_mask.print(); |
253 } | |
254 } | |
255 #endif | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
256 method_holder()->mask_for(h_this, bci, mask); |
0 | 257 return; |
258 } | |
259 | |
260 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
261 int Method::bci_from(address bcp) const { |
6791
8d3cc6612bd1
7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents:
6735
diff
changeset
|
262 #ifdef ASSERT |
8d3cc6612bd1
7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents:
6735
diff
changeset
|
263 { ResourceMark rm; |
6145
e2fe93124108
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
4873
diff
changeset
|
264 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
|
265 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
|
266 } |
8d3cc6612bd1
7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents:
6735
diff
changeset
|
267 #endif |
0 | 268 return bcp - code_base(); |
269 } | |
270 | |
271 | |
272 // Return (int)bcx if it appears to be a valid BCI. | |
273 // Return bci_from((address)bcx) if it appears to be a valid BCP. | |
274 // Return -1 otherwise. | |
275 // 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
|
276 // 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
|
277 int Method::validate_bci_from_bcx(intptr_t bcx) const { |
0 | 278 // keep bci as -1 if not a valid bci |
279 int bci = -1; | |
280 if (bcx == 0 || (address)bcx == code_base()) { | |
281 // code_size() may return 0 and we allow 0 here | |
282 // the method may be native | |
283 bci = 0; | |
284 } else if (frame::is_bci(bcx)) { | |
285 if (bcx < code_size()) { | |
286 bci = (int)bcx; | |
287 } | |
288 } else if (contains((address)bcx)) { | |
289 bci = (address)bcx - code_base(); | |
290 } | |
291 // Assert that if we have dodged any asserts, bci is negative. | |
292 assert(bci == -1 || bci == bci_from(bcp_from(bci)), "sane bci if >=0"); | |
293 return bci; | |
294 } | |
295 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
296 address Method::bcp_from(int bci) const { |
0 | 297 assert((is_native() && bci == 0) || (!is_native() && 0 <= bci && bci < code_size()), "illegal bci"); |
298 address bcp = code_base() + bci; | |
299 assert(is_native() && bcp == code_base() || contains(bcp), "bcp doesn't belong to this method"); | |
300 return bcp; | |
301 } | |
302 | |
303 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
304 int Method::size(bool is_native) { |
0 | 305 // If native, then include pointers for native_function and signature_handler |
306 int extra_bytes = (is_native) ? 2*sizeof(address*) : 0; | |
307 int extra_words = align_size_up(extra_bytes, BytesPerWord) / BytesPerWord; | |
308 return align_object_size(header_size() + extra_words); | |
309 } | |
310 | |
311 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
312 Symbol* Method::klass_name() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
313 Klass* k = method_holder(); |
0 | 314 assert(k->is_klass(), "must be klass"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
315 InstanceKlass* ik = (InstanceKlass*) k; |
0 | 316 return ik->name(); |
317 } | |
318 | |
319 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
320 void Method::set_interpreter_kind() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
321 int kind = Interpreter::method_kind(this); |
0 | 322 assert(kind != Interpreter::invalid, |
323 "interpreter entry must be valid"); | |
324 set_interpreter_kind(kind); | |
325 } | |
326 | |
327 | |
328 // Attempt to return method oop to original state. Clear any pointers | |
329 // (to objects outside the shared spaces). We won't be able to predict | |
330 // where they should point in a new JVM. Further initialize some | |
331 // entries now in order allow them to be write protected later. | |
332 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
333 void Method::remove_unshareable_info() { |
0 | 334 unlink_method(); |
335 set_interpreter_kind(); | |
336 } | |
337 | |
338 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
339 bool Method::was_executed_more_than(int n) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
340 // Invocation counter is reset when the Method* is compiled. |
0 | 341 // If the method has compiled code we therefore assume it has |
342 // be excuted more than n times. | |
343 if (is_accessor() || is_empty_method() || (code() != NULL)) { | |
344 // interpreter doesn't bump invocation counter of trivial methods | |
345 // compiler does not bump invocation counter of compiled methods | |
346 return true; | |
1783 | 347 } |
348 else if (_invocation_counter.carry() || (method_data() != NULL && method_data()->invocation_counter()->carry())) { | |
0 | 349 // The carry bit is set when the counter overflows and causes |
350 // a compilation to occur. We don't know how many times | |
351 // the counter has been reset, so we simply assume it has | |
352 // been executed more than n times. | |
353 return true; | |
354 } else { | |
355 return invocation_count() > n; | |
356 } | |
357 } | |
358 | |
359 #ifndef PRODUCT | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
360 void Method::print_invocation_count() { |
0 | 361 if (is_static()) tty->print("static "); |
362 if (is_final()) tty->print("final "); | |
363 if (is_synchronized()) tty->print("synchronized "); | |
364 if (is_native()) tty->print("native "); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
365 method_holder()->name()->print_symbol_on(tty); |
0 | 366 tty->print("."); |
367 name()->print_symbol_on(tty); | |
368 signature()->print_symbol_on(tty); | |
369 | |
370 if (WizardMode) { | |
371 // dump the size of the byte codes | |
372 tty->print(" {%d}", code_size()); | |
373 } | |
374 tty->cr(); | |
375 | |
376 tty->print_cr (" interpreter_invocation_count: %8d ", interpreter_invocation_count()); | |
377 tty->print_cr (" invocation_counter: %8d ", invocation_count()); | |
378 tty->print_cr (" backedge_counter: %8d ", backedge_count()); | |
379 if (CountCompiledCalls) { | |
380 tty->print_cr (" compiled_invocation_count: %8d ", compiled_invocation_count()); | |
381 } | |
382 | |
383 } | |
384 #endif | |
385 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
386 // Build a MethodData* object to hold information about this method |
0 | 387 // collected in the interpreter. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
388 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
|
389 // 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
|
390 // which avoids deadlock for acquiring the MethodData_lock. |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
391 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
|
392 return; |
7cf1a74771e8
6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents:
1972
diff
changeset
|
393 } |
7cf1a74771e8
6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents:
1972
diff
changeset
|
394 |
0 | 395 // Grab a lock here to prevent multiple |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
396 // MethodData*s from being created. |
0 | 397 MutexLocker ml(MethodData_lock, THREAD); |
398 if (method->method_data() == NULL) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
399 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
|
400 MethodData* method_data = MethodData::allocate(loader_data, method, CHECK); |
0 | 401 method->set_method_data(method_data); |
402 if (PrintMethodData && (Verbose || WizardMode)) { | |
403 ResourceMark rm(THREAD); | |
404 tty->print("build_interpreter_method_data for "); | |
405 method->print_name(tty); | |
406 tty->cr(); | |
407 // At the end of the run, the MDO, full of data, will be dumped. | |
408 } | |
409 } | |
410 } | |
411 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
412 void Method::cleanup_inline_caches() { |
0 | 413 // The current system doesn't use inline caches in the interpreter |
414 // => nothing to do (keep this method around for future use) | |
415 } | |
416 | |
417 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
418 int Method::extra_stack_words() { |
710 | 419 // not an inline function, to avoid a header dependency on Interpreter |
1506 | 420 return extra_stack_entries() * Interpreter::stackElementSize; |
710 | 421 } |
422 | |
423 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
424 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
|
425 ArgumentSizeComputer asc(signature()); |
0 | 426 set_size_of_parameters(asc.size() + (is_static() ? 0 : 1)); |
427 } | |
428 | |
429 #ifdef CC_INTERP | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
430 void Method::set_result_index(BasicType type) { |
0 | 431 _result_index = Interpreter::BasicType_as_index(type); |
432 } | |
433 #endif | |
434 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
435 BasicType Method::result_type() const { |
0 | 436 ResultTypeFinder rtf(signature()); |
437 return rtf.type(); | |
438 } | |
439 | |
440 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
441 bool Method::is_empty_method() const { |
0 | 442 return code_size() == 1 |
443 && *code_base() == Bytecodes::_return; | |
444 } | |
445 | |
446 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
447 bool Method::is_vanilla_constructor() const { |
0 | 448 // Returns true if this method is a vanilla constructor, i.e. an "<init>" "()V" method |
449 // which only calls the superclass vanilla constructor and possibly does stores of | |
450 // zero constants to local fields: | |
451 // | |
452 // aload_0 | |
453 // invokespecial | |
454 // indexbyte1 | |
455 // indexbyte2 | |
456 // | |
457 // followed by an (optional) sequence of: | |
458 // | |
459 // aload_0 | |
460 // aconst_null / iconst_0 / fconst_0 / dconst_0 | |
461 // putfield | |
462 // indexbyte1 | |
463 // indexbyte2 | |
464 // | |
465 // followed by: | |
466 // | |
467 // return | |
468 | |
469 assert(name() == vmSymbols::object_initializer_name(), "Should only be called for default constructors"); | |
470 assert(signature() == vmSymbols::void_method_signature(), "Should only be called for default constructors"); | |
471 int size = code_size(); | |
472 // Check if size match | |
473 if (size == 0 || size % 5 != 0) return false; | |
474 address cb = code_base(); | |
475 int last = size - 1; | |
476 if (cb[0] != Bytecodes::_aload_0 || cb[1] != Bytecodes::_invokespecial || cb[last] != Bytecodes::_return) { | |
477 // Does not call superclass default constructor | |
478 return false; | |
479 } | |
480 // Check optional sequence | |
481 for (int i = 4; i < last; i += 5) { | |
482 if (cb[i] != Bytecodes::_aload_0) return false; | |
483 if (!Bytecodes::is_zero_const(Bytecodes::cast(cb[i+1]))) return false; | |
484 if (cb[i+2] != Bytecodes::_putfield) return false; | |
485 } | |
486 return true; | |
487 } | |
488 | |
489 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
490 bool Method::compute_has_loops_flag() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
491 BytecodeStream bcs(this); |
0 | 492 Bytecodes::Code bc; |
493 | |
494 while ((bc = bcs.next()) >= 0) { | |
495 switch( bc ) { | |
496 case Bytecodes::_ifeq: | |
497 case Bytecodes::_ifnull: | |
498 case Bytecodes::_iflt: | |
499 case Bytecodes::_ifle: | |
500 case Bytecodes::_ifne: | |
501 case Bytecodes::_ifnonnull: | |
502 case Bytecodes::_ifgt: | |
503 case Bytecodes::_ifge: | |
504 case Bytecodes::_if_icmpeq: | |
505 case Bytecodes::_if_icmpne: | |
506 case Bytecodes::_if_icmplt: | |
507 case Bytecodes::_if_icmpgt: | |
508 case Bytecodes::_if_icmple: | |
509 case Bytecodes::_if_icmpge: | |
510 case Bytecodes::_if_acmpeq: | |
511 case Bytecodes::_if_acmpne: | |
512 case Bytecodes::_goto: | |
513 case Bytecodes::_jsr: | |
514 if( bcs.dest() < bcs.next_bci() ) _access_flags.set_has_loops(); | |
515 break; | |
516 | |
517 case Bytecodes::_goto_w: | |
518 case Bytecodes::_jsr_w: | |
519 if( bcs.dest_w() < bcs.next_bci() ) _access_flags.set_has_loops(); | |
520 break; | |
521 } | |
522 } | |
523 _access_flags.set_loops_flag_init(); | |
524 return _access_flags.has_loops(); | |
525 } | |
526 | |
527 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
528 bool Method::is_final_method() const { |
0 | 529 // %%% Should return true for private methods also, |
530 // since there is no way to override them. | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
531 return is_final() || method_holder()->is_final(); |
0 | 532 } |
533 | |
534 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
535 bool Method::is_strict_method() const { |
0 | 536 return is_strict(); |
537 } | |
538 | |
539 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
540 bool Method::can_be_statically_bound() const { |
0 | 541 if (is_final_method()) return true; |
542 return vtable_index() == nonvirtual_vtable_index; | |
543 } | |
544 | |
545 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
546 bool Method::is_accessor() const { |
0 | 547 if (code_size() != 5) return false; |
548 if (size_of_parameters() != 1) return false; | |
2142 | 549 if (java_code_at(0) != Bytecodes::_aload_0 ) return false; |
550 if (java_code_at(1) != Bytecodes::_getfield) return false; | |
551 if (java_code_at(4) != Bytecodes::_areturn && | |
552 java_code_at(4) != Bytecodes::_ireturn ) return false; | |
0 | 553 return true; |
554 } | |
555 | |
556 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
557 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
|
558 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
|
559 } |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2264
diff
changeset
|
560 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
561 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
|
562 return (is_static() || |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
563 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
|
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::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
|
567 // 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
|
568 // 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
|
569 // 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
|
570 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
|
571 has_valid_initializer_flags(); |
0 | 572 } |
573 | |
574 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
575 objArrayHandle Method::resolved_checked_exceptions_impl(Method* this_oop, TRAPS) { |
0 | 576 int length = this_oop->checked_exceptions_length(); |
577 if (length == 0) { // common case | |
578 return objArrayHandle(THREAD, Universe::the_empty_class_klass_array()); | |
579 } else { | |
580 methodHandle h_this(THREAD, this_oop); | |
1142 | 581 objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::Class_klass(), length, CHECK_(objArrayHandle())); |
0 | 582 objArrayHandle mirrors (THREAD, m_oop); |
583 for (int i = 0; i < length; i++) { | |
584 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
|
585 Klass* k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle())); |
6983 | 586 assert(k->is_subclass_of(SystemDictionary::Throwable_klass()), "invalid exception class"); |
587 mirrors->obj_at_put(i, k->java_mirror()); | |
0 | 588 } |
589 return mirrors; | |
590 } | |
591 }; | |
592 | |
593 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
594 int Method::line_number_from_bci(int bci) const { |
0 | 595 if (bci == SynchronizationEntryBCI) bci = 0; |
596 assert(bci == 0 || 0 <= bci && bci < code_size(), "illegal bci"); | |
597 int best_bci = 0; | |
598 int best_line = -1; | |
599 | |
600 if (has_linenumber_table()) { | |
601 // The line numbers are a short array of 2-tuples [start_pc, line_number]. | |
602 // Not necessarily sorted and not necessarily one-to-one. | |
603 CompressedLineNumberReadStream stream(compressed_linenumber_table()); | |
604 while (stream.read_pair()) { | |
605 if (stream.bci() == bci) { | |
606 // perfect match | |
607 return stream.line(); | |
608 } else { | |
609 // update best_bci/line | |
610 if (stream.bci() < bci && stream.bci() >= best_bci) { | |
611 best_bci = stream.bci(); | |
612 best_line = stream.line(); | |
613 } | |
614 } | |
615 } | |
616 } | |
617 return best_line; | |
618 } | |
619 | |
620 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
621 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
|
622 if( constants()->tag_at(klass_index).is_unresolved_klass() ) { |
0 | 623 Thread *thread = Thread::current(); |
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
624 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
|
625 Handle loader(thread, method_holder()->class_loader()); |
6983 | 626 Handle prot (thread, method_holder()->protection_domain()); |
0 | 627 return SystemDictionary::find(klass_name, loader, prot, thread) != NULL; |
628 } else { | |
629 return true; | |
630 } | |
631 } | |
632 | |
633 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
634 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
|
635 int klass_index = constants()->klass_ref_index_at(refinfo_index); |
0 | 636 if (must_be_resolved) { |
637 // Make sure klass is resolved in constantpool. | |
638 if (constants()->tag_at(klass_index).is_unresolved_klass()) return false; | |
639 } | |
640 return is_klass_loaded_by_klass_index(klass_index); | |
641 } | |
642 | |
643 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
644 void Method::set_native_function(address function, bool post_event_flag) { |
0 | 645 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
|
646 assert(!is_method_handle_intrinsic() || function == SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), ""); |
0 | 647 address* native_function = native_function_addr(); |
648 | |
649 // We can see racers trying to place the same native function into place. Once | |
650 // is plenty. | |
651 address current = *native_function; | |
652 if (current == function) return; | |
653 if (post_event_flag && JvmtiExport::should_post_native_method_bind() && | |
654 function != NULL) { | |
655 // native_method_throw_unsatisfied_link_error_entry() should only | |
656 // be passed when post_event_flag is false. | |
657 assert(function != | |
658 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), | |
659 "post_event_flag mis-match"); | |
660 | |
661 // post the bind event, and possible change the bind function | |
662 JvmtiExport::post_native_method_bind(this, &function); | |
663 } | |
664 *native_function = function; | |
665 // This function can be called more than once. We must make sure that we always | |
666 // use the latest registered method -> check if a stub already has been generated. | |
667 // If so, we have to make it not_entrant. | |
668 nmethod* nm = code(); // Put it into local variable to guard against concurrent updates | |
669 if (nm != NULL) { | |
670 nm->make_not_entrant(); | |
671 } | |
672 } | |
673 | |
674 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
675 bool Method::has_native_function() const { |
6267
977007096840
7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents:
6266
diff
changeset
|
676 if (is_method_handle_intrinsic()) |
977007096840
7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents:
6266
diff
changeset
|
677 return false; // special-cased in SharedRuntime::generate_native_wrapper |
0 | 678 address func = native_function(); |
679 return (func != NULL && func != SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); | |
680 } | |
681 | |
682 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
683 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
|
684 // Note: is_method_handle_intrinsic() is allowed here. |
0 | 685 set_native_function( |
686 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), | |
687 !native_bind_event_is_interesting); | |
688 clear_code(); | |
689 } | |
690 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
691 address Method::critical_native_function() { |
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3929
diff
changeset
|
692 methodHandle mh(this); |
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3929
diff
changeset
|
693 return NativeLookup::lookup_critical_entry(mh); |
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3929
diff
changeset
|
694 } |
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3929
diff
changeset
|
695 |
0 | 696 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
697 void Method::set_signature_handler(address handler) { |
0 | 698 address* signature_handler = signature_handler_addr(); |
699 *signature_handler = handler; | |
700 } | |
701 | |
702 | |
7998 | 703 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
|
704 if (PrintCompilation && report) { |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
705 ttyLocker ttyl; |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
706 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
|
707 if (comp_level == CompLevel_all) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
708 tty->print("all levels "); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
709 } else { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
710 tty->print("levels "); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
711 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
|
712 tty->print("%d ", i); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
713 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
714 } |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
715 this->print_short_name(tty); |
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
716 int size = this->code_size(); |
7998 | 717 if (size > 0) { |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
718 tty->print(" (%d bytes)", size); |
7998 | 719 } |
720 if (reason != NULL) { | |
721 tty->print(" %s", reason); | |
722 } | |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
723 tty->cr(); |
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
724 } |
0 | 725 if ((TraceDeoptimization || LogCompilation) && (xtty != NULL)) { |
726 ttyLocker ttyl; | |
6843 | 727 xtty->begin_elem("make_not_%scompilable thread='" UINTX_FORMAT "'", |
728 is_osr ? "osr_" : "", os::current_thread_id()); | |
7998 | 729 if (reason != NULL) { |
730 xtty->print(" reason=\'%s\'", reason); | |
731 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
732 xtty->method(this); |
0 | 733 xtty->stamp(); |
734 xtty->end_elem(); | |
735 } | |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
736 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
737 |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
738 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
|
739 if (number_of_breakpoints() > 0) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
740 return true; |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
741 if (is_method_handle_intrinsic()) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
742 return !is_synthetic(); // the generated adapters must be compiled |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
743 if (comp_level == CompLevel_any) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
744 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
|
745 if (is_c1_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
746 return is_not_c1_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
747 if (is_c2_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
748 return is_not_c2_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
749 return false; |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
750 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
751 |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
752 // call this when compiler finds that this method is not compilable |
7998 | 753 void Method::set_not_compilable(int comp_level, bool report, const char* reason) { |
754 print_made_not_compilable(comp_level, /*is_osr*/ false, report, reason); | |
1783 | 755 if (comp_level == CompLevel_all) { |
756 set_not_c1_compilable(); | |
757 set_not_c2_compilable(); | |
758 } else { | |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
759 if (is_c1_compile(comp_level)) |
1783 | 760 set_not_c1_compilable(); |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
761 if (is_c2_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
762 set_not_c2_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
763 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
764 CompilationPolicy::policy()->disable_compilation(this); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
765 } |
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 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
|
768 if (is_not_compilable(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
769 return true; |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
770 if (comp_level == CompLevel_any) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
771 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
|
772 if (is_c1_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
773 return is_not_c1_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
774 if (is_c2_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
775 return is_not_c2_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
776 return false; |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
777 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
778 |
7998 | 779 void Method::set_not_osr_compilable(int comp_level, bool report, const char* reason) { |
780 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
|
781 if (comp_level == CompLevel_all) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
782 set_not_c1_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
783 set_not_c2_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
784 } else { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
785 if (is_c1_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
786 set_not_c1_osr_compilable(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
787 if (is_c2_compile(comp_level)) |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6791
diff
changeset
|
788 set_not_c2_osr_compilable(); |
0 | 789 } |
1783 | 790 CompilationPolicy::policy()->disable_compilation(this); |
0 | 791 } |
792 | |
793 // 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
|
794 void Method::clear_code() { |
0 | 795 |
796 // this may be NULL if c2i adapters have not been made yet | |
797 // Only should happen at allocate time. | |
798 if (_adapter == NULL) { | |
799 _from_compiled_entry = NULL; | |
800 } else { | |
801 _from_compiled_entry = _adapter->get_c2i_entry(); | |
802 } | |
803 OrderAccess::storestore(); | |
804 _from_interpreted_entry = _i2i_entry; | |
805 OrderAccess::storestore(); | |
806 _code = NULL; | |
807 } | |
808 | |
809 // 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
|
810 void Method::unlink_method() { |
0 | 811 _code = NULL; |
812 _i2i_entry = NULL; | |
813 _from_interpreted_entry = NULL; | |
814 if (is_native()) { | |
815 *native_function_addr() = NULL; | |
816 set_signature_handler(NULL); | |
817 } | |
818 NOT_PRODUCT(set_compiled_invocation_count(0);) | |
819 invocation_counter()->reset(); | |
820 backedge_counter()->reset(); | |
821 _adapter = NULL; | |
822 _from_compiled_entry = NULL; | |
823 assert(_method_data == NULL, "unexpected method data?"); | |
824 set_method_data(NULL); | |
825 set_interpreter_throwout_count(0); | |
826 set_interpreter_invocation_count(0); | |
827 } | |
828 | |
829 // Called when the method_holder is getting linked. Setup entrypoints so the method | |
830 // 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
|
831 void Method::link_method(methodHandle h_method, TRAPS) { |
3748 | 832 // If the code cache is full, we may reenter this function for the |
833 // leftover methods that weren't linked. | |
834 if (_i2i_entry != NULL) return; | |
835 | |
0 | 836 assert(_adapter == NULL, "init'd to NULL" ); |
837 assert( _code == NULL, "nothing compiled yet" ); | |
838 | |
839 // Setup interpreter entrypoint | |
840 assert(this == h_method(), "wrong h_method()" ); | |
841 address entry = Interpreter::entry_for_method(h_method); | |
842 assert(entry != NULL, "interpreter entry must be non-null"); | |
843 // Sets both _i2i_entry and _from_interpreted_entry | |
844 set_interpreter_entry(entry); | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
845 if (is_native() && !is_method_handle_intrinsic()) { |
0 | 846 set_native_function( |
847 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), | |
848 !native_bind_event_is_interesting); | |
849 } | |
850 | |
851 // Setup compiler entrypoint. This is made eagerly, so we do not need | |
852 // special handling of vtables. An alternative is to make adapters more | |
853 // lazily by calling make_adapter() from from_compiled_entry() for the | |
854 // normal calls. For vtable calls life gets more complicated. When a | |
855 // call-site goes mega-morphic we need adapters in all methods which can be | |
856 // called from the vtable. We need adapters on such methods that get loaded | |
857 // later. Ditto for mega-morphic itable calls. If this proves to be a | |
858 // 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
|
859 (void) make_adapters(h_method, CHECK); |
0 | 860 |
861 // ONLY USE the h_method now as make_adapter may have blocked | |
862 | |
863 } | |
864 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
865 address Method::make_adapters(methodHandle mh, TRAPS) { |
0 | 866 // Adapters for compiled code are made eagerly here. They are fairly |
867 // small (generally < 100 bytes) and quick to make (and cached and shared) | |
868 // so making them eagerly shouldn't be too expensive. | |
869 AdapterHandlerEntry* adapter = AdapterHandlerLibrary::get_adapter(mh); | |
870 if (adapter == NULL ) { | |
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1152
diff
changeset
|
871 THROW_MSG_NULL(vmSymbols::java_lang_VirtualMachineError(), "out of space in CodeCache for adapters"); |
0 | 872 } |
873 | |
874 mh->set_adapter_entry(adapter); | |
875 mh->_from_compiled_entry = adapter->get_c2i_entry(); | |
876 return adapter->get_c2i_entry(); | |
877 } | |
878 | |
879 // The verified_code_entry() must be called when a invoke is resolved | |
880 // on this method. | |
881 | |
882 // It returns the compiled code entry point, after asserting not null. | |
883 // This function is called after potential safepoints so that nmethod | |
884 // or adapter that it points to is still live and valid. | |
885 // This function must not hit a safepoint! | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
886 address Method::verified_code_entry() { |
0 | 887 debug_only(No_Safepoint_Verifier nsv;) |
1202 | 888 nmethod *code = (nmethod *)OrderAccess::load_ptr_acquire(&_code); |
889 if (code == NULL && UseCodeCacheFlushing) { | |
890 nmethod *saved_code = CodeCache::find_and_remove_saved_code(this); | |
891 if (saved_code != NULL) { | |
892 methodHandle method(this); | |
893 assert( ! saved_code->is_osr_method(), "should not get here for osr" ); | |
894 set_code( method, saved_code ); | |
895 } | |
896 } | |
897 | |
0 | 898 assert(_from_compiled_entry != NULL, "must be set"); |
899 return _from_compiled_entry; | |
900 } | |
901 | |
902 // Check that if an nmethod ref exists, it has a backlink to this or no backlink at all | |
903 // (could be racing a deopt). | |
904 // Not inline to avoid circular ref. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
905 bool Method::check_code() const { |
0 | 906 // cached in a register or local. There's a race on the value of the field. |
907 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
|
908 return code == NULL || (code->method() == NULL) || (code->method() == (Method*)this && !code->is_osr_method()); |
0 | 909 } |
910 | |
911 // Install compiled code. Instantly it can execute. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
912 void Method::set_code(methodHandle mh, nmethod *code) { |
0 | 913 assert( code, "use clear_code to remove code" ); |
914 assert( mh->check_code(), "" ); | |
915 | |
916 guarantee(mh->adapter() != NULL, "Adapter blob must already exist!"); | |
917 | |
918 // These writes must happen in this order, because the interpreter will | |
919 // directly jump to from_interpreted_entry which jumps to an i2c adapter | |
920 // which jumps to _from_compiled_entry. | |
921 mh->_code = code; // Assign before allowing compiled code to exec | |
922 | |
923 int comp_level = code->comp_level(); | |
924 // In theory there could be a race here. In practice it is unlikely | |
925 // and not worth worrying about. | |
1783 | 926 if (comp_level > mh->highest_comp_level()) { |
927 mh->set_highest_comp_level(comp_level); | |
0 | 928 } |
929 | |
930 OrderAccess::storestore(); | |
1692 | 931 #ifdef SHARK |
1845
a222fcfba398
6990549: Zero and Shark fixes after 6978355 and 6953144
twisti
parents:
1793
diff
changeset
|
932 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
|
933 #else //!SHARK |
0 | 934 mh->_from_compiled_entry = code->verified_entry_point(); |
935 OrderAccess::storestore(); | |
936 // 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
|
937 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
|
938 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
|
939 #endif //!SHARK |
0 | 940 } |
941 | |
942 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
943 bool Method::is_overridden_in(Klass* k) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
944 InstanceKlass* ik = InstanceKlass::cast(k); |
0 | 945 |
946 if (ik->is_interface()) return false; | |
947 | |
948 // If method is an interface, we skip it - except if it | |
949 // 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
|
950 if (method_holder()->is_interface()) { |
0 | 951 // Check that method is not a miranda method |
952 if (ik->lookup_method(name(), signature()) == NULL) { | |
953 // No implementation exist - so miranda method | |
954 return false; | |
955 } | |
956 return true; | |
957 } | |
958 | |
959 assert(ik->is_subclass_of(method_holder()), "should be subklass"); | |
960 assert(ik->vtable() != NULL, "vtable should exist"); | |
961 if (vtable_index() == nonvirtual_vtable_index) { | |
962 return false; | |
963 } else { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
964 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
|
965 return vt_m != this; |
0 | 966 } |
967 } | |
968 | |
969 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
970 // 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
|
971 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
|
972 if (is_old()) { |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
973 // 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
|
974 // 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
|
975 // 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
|
976 // finishes executing. |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
977 return true; |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
978 } |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
979 |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
980 // 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
|
981 return false; |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
982 } |
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
983 |
710 | 984 // Constant pool structure for invoke methods: |
985 enum { | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
986 _imcp_invoke_name = 1, // utf8: 'invokeExact', etc. |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
987 _imcp_invoke_signature, // utf8: (variable Symbol*) |
710 | 988 _imcp_limit |
989 }; | |
990 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
991 // 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
|
992 // Cf. java/lang/invoke/InvokerBytecodeGenerator |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
993 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
|
994 return intrinsic_id() == vmIntrinsics::_compiledLambdaForm; |
710 | 995 } |
996 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
997 // 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
|
998 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
|
999 vmIntrinsics::ID iid = intrinsic_id(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1000 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
|
1001 MethodHandles::is_signature_polymorphic_intrinsic(iid)); |
1152
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
1002 } |
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
1003 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1004 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
|
1005 vmIntrinsics::ID iid = intrinsic_id(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1006 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
|
1007 MethodHandles::has_member_arg(iid)); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1008 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1009 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1010 // 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
|
1011 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
|
1012 Symbol* signature, |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1013 TRAPS) { |
3891
ac8738449b6f
7082949: JSR 292: missing ResourceMark in methodOopDesc::make_invoke_method
never
parents:
3795
diff
changeset
|
1014 ResourceMark rm; |
710 | 1015 methodHandle empty; |
1016 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1017 KlassHandle holder = SystemDictionary::MethodHandle_klass(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1018 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
|
1019 assert(iid == MethodHandles::signature_polymorphic_name_id(name), ""); |
710 | 1020 if (TraceMethodHandles) { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1021 tty->print_cr("make_method_handle_intrinsic MH.%s%s", name->as_C_string(), signature->as_C_string()); |
710 | 1022 } |
1023 | |
2478
328926869b15
6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents:
2460
diff
changeset
|
1024 // 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
|
1025 name->increment_refcount(); |
328926869b15
6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents:
2460
diff
changeset
|
1026 signature->increment_refcount(); |
328926869b15
6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents:
2460
diff
changeset
|
1027 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1028 int cp_length = _imcp_limit; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1029 ClassLoaderData* loader_data = holder->class_loader_data(); |
710 | 1030 constantPoolHandle cp; |
1031 { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1032 ConstantPool* cp_oop = ConstantPool::allocate(loader_data, cp_length, CHECK_(empty)); |
710 | 1033 cp = constantPoolHandle(THREAD, cp_oop); |
1034 } | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6935
diff
changeset
|
1035 cp->set_pool_holder(InstanceKlass::cast(holder())); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1036 cp->symbol_at_put(_imcp_invoke_name, name); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1037 cp->symbol_at_put(_imcp_invoke_signature, signature); |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7470
diff
changeset
|
1038 cp->set_has_preresolution(); |
710 | 1039 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1040 // 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
|
1041 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
|
1042 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
|
1043 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
|
1044 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
|
1045 |
710 | 1046 methodHandle m; |
1047 { | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1048 Method* m_oop = Method::allocate(loader_data, 0, |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1049 accessFlags_from(flags_bits), |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1050 0, 0, 0, 0, 0, 0, |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1051 ConstMethod::NORMAL, CHECK_(empty)); |
710 | 1052 m = methodHandle(THREAD, m_oop); |
1053 } | |
1054 m->set_constants(cp()); | |
1055 m->set_name_index(_imcp_invoke_name); | |
1056 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
|
1057 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
|
1058 assert(m->signature() == signature, ""); |
710 | 1059 #ifdef CC_INTERP |
2256
173926398291
7018673: Zero: 6953144, 6990754 and 7009756 made some changes which broke Zero
twisti
parents:
2177
diff
changeset
|
1060 ResultTypeFinder rtf(signature); |
710 | 1061 m->set_result_index(rtf.type()); |
1062 #endif | |
1063 m->compute_size_of_parameters(THREAD); | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1783
diff
changeset
|
1064 m->init_intrinsic_id(); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1065 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
|
1066 #ifdef ASSERT |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1067 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
|
1068 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
|
1069 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
|
1070 #endif //ASSERT |
710 | 1071 |
1072 // Finally, set up its entry points. | |
1073 assert(m->can_be_statically_bound(), ""); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1074 m->set_vtable_index(Method::nonvirtual_vtable_index); |
710 | 1075 m->link_method(m, CHECK_(empty)); |
1076 | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
856
diff
changeset
|
1077 if (TraceMethodHandles && (Verbose || WizardMode)) |
710 | 1078 m->print_on(tty); |
1079 | |
1080 return m; | |
1081 } | |
1082 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1083 Klass* Method::check_non_bcp_klass(Klass* klass) { |
6983 | 1084 if (klass != NULL && klass->class_loader() != NULL) { |
1085 if (klass->oop_is_objArray()) | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6800
diff
changeset
|
1086 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
|
1087 return klass; |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3749
diff
changeset
|
1088 } |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3749
diff
changeset
|
1089 return NULL; |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3749
diff
changeset
|
1090 } |
710 | 1091 |
48
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
1092 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1093 methodHandle Method::clone_with_new_data(methodHandle m, u_char* new_code, int new_code_length, |
0 | 1094 u_char* new_compressed_linenumber_table, int new_compressed_linenumber_size, TRAPS) { |
1095 // Code below does not work for native methods - they should never get rewritten anyway | |
1096 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
|
1097 // Allocate new Method* |
0 | 1098 AccessFlags flags = m->access_flags(); |
7183
b2dbd323c668
8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents:
6983
diff
changeset
|
1099 u2 generic_signature_index = m->generic_signature_index(); |
0 | 1100 int checked_exceptions_len = m->checked_exceptions_length(); |
1101 int localvariable_len = m->localvariable_table_length(); | |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1102 int exception_table_len = m->exception_table_length(); |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1103 int method_parameters_len = m->method_parameters_length(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1104 |
6934 | 1105 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
|
1106 Method* newm_oop = Method::allocate(loader_data, |
6934 | 1107 new_code_length, |
1108 flags, | |
1109 new_compressed_linenumber_size, | |
1110 localvariable_len, | |
1111 exception_table_len, | |
1112 checked_exceptions_len, | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1113 method_parameters_len, |
7183
b2dbd323c668
8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents:
6983
diff
changeset
|
1114 generic_signature_index, |
6934 | 1115 m->method_type(), |
1116 CHECK_(methodHandle())); | |
0 | 1117 methodHandle newm (THREAD, newm_oop); |
1118 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
|
1119 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1120 // 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
|
1121 ConstMethod* newcm = newm->constMethod(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1122 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
|
1123 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1124 memcpy(newm(), m(), sizeof(Method)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1125 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1126 // Create shallow copy of ConstMethod. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1127 memcpy(newcm, m->constMethod(), sizeof(ConstMethod)); |
2226
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
1128 |
0 | 1129 // Reset correct method/const method, method size, and parameter info |
1130 newm->set_constMethod(newcm); | |
1131 newm->constMethod()->set_code_size(new_code_length); | |
1132 newm->constMethod()->set_constMethod_size(new_const_method_size); | |
1133 newm->set_method_size(new_method_size); | |
1134 assert(newm->code_size() == new_code_length, "check"); | |
1135 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
|
1136 assert(newm->exception_table_length() == exception_table_len, "check"); |
0 | 1137 assert(newm->localvariable_table_length() == localvariable_len, "check"); |
1138 // Copy new byte codes | |
1139 memcpy(newm->code_base(), new_code, new_code_length); | |
1140 // Copy line number table | |
1141 if (new_compressed_linenumber_size > 0) { | |
1142 memcpy(newm->compressed_linenumber_table(), | |
1143 new_compressed_linenumber_table, | |
1144 new_compressed_linenumber_size); | |
1145 } | |
1146 // Copy checked_exceptions | |
1147 if (checked_exceptions_len > 0) { | |
1148 memcpy(newm->checked_exceptions_start(), | |
1149 m->checked_exceptions_start(), | |
1150 checked_exceptions_len * sizeof(CheckedExceptionElement)); | |
1151 } | |
6216
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1152 // Copy exception table |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1153 if (exception_table_len > 0) { |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1154 memcpy(newm->exception_table_start(), |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1155 m->exception_table_start(), |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1156 exception_table_len * sizeof(ExceptionTableElement)); |
161ae369407d
7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents:
6213
diff
changeset
|
1157 } |
0 | 1158 // Copy local variable number table |
1159 if (localvariable_len > 0) { | |
1160 memcpy(newm->localvariable_table_start(), | |
1161 m->localvariable_table_start(), | |
1162 localvariable_len * sizeof(LocalVariableTableElement)); | |
1163 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1164 // Copy stackmap table |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1165 if (m->has_stackmap_table()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1166 int code_attribute_length = m->stackmap_data()->length(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1167 Array<u1>* stackmap_data = |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1168 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
|
1169 memcpy((void*)stackmap_data->adr_at(0), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1170 (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
|
1171 newm->set_stackmap_data(stackmap_data); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1172 } |
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
196
diff
changeset
|
1173 |
0 | 1174 return newm; |
1175 } | |
1176 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1177 vmSymbols::SID Method::klass_id_for_intrinsics(Klass* holder) { |
0 | 1178 // if loader is not the default loader (i.e., != NULL), we can't know the intrinsics |
1179 // because we are not loading from core libraries | |
6894 | 1180 // exception: the AES intrinsics come from lib/ext/sunjce_provider.jar |
1181 // which does not use the class default class loader so we check for its loader here | |
1182 if ((InstanceKlass::cast(holder)->class_loader() != NULL) && | |
1183 InstanceKlass::cast(holder)->class_loader()->klass()->name() != vmSymbols::sun_misc_Launcher_ExtClassLoader()) { | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1184 return vmSymbols::NO_SID; // regardless of name, no intrinsics here |
6894 | 1185 } |
0 | 1186 |
1187 // see if the klass name is well-known: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1188 Symbol* klass_name = InstanceKlass::cast(holder)->name(); |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1189 return vmSymbols::find_sid(klass_name); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1190 } |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1191 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1192 void Method::init_intrinsic_id() { |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1193 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
|
1194 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
|
1195 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
|
1196 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
|
1197 |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1198 // the klass name is well-known: |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1199 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
|
1200 assert(klass_id != vmSymbols::NO_SID, "caller responsibility"); |
0 | 1201 |
1202 // ditto for method and signature: | |
1203 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
|
1204 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
|
1205 && name_id == vmSymbols::NO_SID) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1206 return; |
0 | 1207 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
|
1208 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
|
1209 && sig_id == vmSymbols::NO_SID) return; |
0 | 1210 jshort flags = access_flags().as_short(); |
1211 | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1212 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
|
1213 if (id != vmIntrinsics::_none) { |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1214 set_intrinsic_id(id); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1215 return; |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1216 } |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1217 |
0 | 1218 // A few slightly irregular cases: |
1219 switch (klass_id) { | |
1220 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_StrictMath): | |
1221 // Second chance: check in regular Math. | |
1222 switch (name_id) { | |
1223 case vmSymbols::VM_SYMBOL_ENUM_NAME(min_name): | |
1224 case vmSymbols::VM_SYMBOL_ENUM_NAME(max_name): | |
1225 case vmSymbols::VM_SYMBOL_ENUM_NAME(sqrt_name): | |
1226 // pretend it is the corresponding method in the non-strict class: | |
1227 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
|
1228 id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags); |
0 | 1229 break; |
1230 } | |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
1231 break; |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
1232 |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
1233 // 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
|
1234 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
|
1235 if (!is_native()) break; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1236 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
|
1237 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
|
1238 id = vmIntrinsics::_none; |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
1239 break; |
0 | 1240 } |
1241 | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1242 if (id != vmIntrinsics::_none) { |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1243 // 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
|
1244 set_intrinsic_id(id); |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1245 return; |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
1246 } |
0 | 1247 } |
1248 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1249 // 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
|
1250 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
|
1251 if (THREAD->is_Compiler_thread()) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1252 // 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
|
1253 // 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
|
1254 // 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
|
1255 return false; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6216
diff
changeset
|
1256 } |
0 | 1257 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
|
1258 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
|
1259 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
|
1260 ResourceMark rm(THREAD); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1261 Symbol* signature = m->signature(); |
0 | 1262 for(SignatureStream ss(signature); !ss.is_done(); ss.next()) { |
1263 if (ss.is_object()) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1264 Symbol* sym = ss.as_symbol(CHECK_(false)); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1265 Symbol* name = sym; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1266 Klass* klass = SystemDictionary::resolve_or_null(name, class_loader, |
0 | 1267 protection_domain, THREAD); |
104
541929da62d2
6624474: Server compiler generates unexpected LinkageError
rasbold
parents:
48
diff
changeset
|
1268 // We are loading classes eagerly. If a ClassNotFoundException or |
541929da62d2
6624474: Server compiler generates unexpected LinkageError
rasbold
parents:
48
diff
changeset
|
1269 // a LinkageError was generated, be sure to ignore it. |
0 | 1270 if (HAS_PENDING_EXCEPTION) { |
1142 | 1271 if (PENDING_EXCEPTION->is_a(SystemDictionary::ClassNotFoundException_klass()) || |
1272 PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) { | |
0 | 1273 CLEAR_PENDING_EXCEPTION; |
1274 } else { | |
1275 return false; | |
1276 } | |
1277 } | |
1278 if( klass == NULL) { sig_is_loaded = false; } | |
1279 } | |
1280 } | |
1281 return sig_is_loaded; | |
1282 } | |
1283 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1284 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
|
1285 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
|
1286 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
|
1287 ResourceMark rm(THREAD); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1288 Symbol* signature = m->signature(); |
0 | 1289 for(SignatureStream ss(signature); !ss.is_done(); ss.next()) { |
1290 if (ss.type() == T_OBJECT) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1291 Symbol* name = ss.as_symbol_or_null(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1292 if (name == NULL) return true; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1293 Klass* klass = SystemDictionary::find(name, class_loader, protection_domain, THREAD); |
0 | 1294 if (klass == NULL) return true; |
1295 } | |
1296 } | |
1297 return false; | |
1298 } | |
1299 | |
1300 // Exposed so field engineers can debug VM | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1301 void Method::print_short_name(outputStream* st) { |
0 | 1302 ResourceMark rm; |
1303 #ifdef PRODUCT | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1304 st->print(" %s::", method_holder()->external_name()); |
0 | 1305 #else |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1306 st->print(" %s::", method_holder()->internal_name()); |
0 | 1307 #endif |
1308 name()->print_symbol_on(st); | |
1309 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
|
1310 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
|
1311 MethodHandles::print_as_basic_type_signature_on(st, signature(), true); |
0 | 1312 } |
1313 | |
1314 // This is only done during class loading, so it is OK to assume method_idnum matches the methods() array | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1315 static void reorder_based_on_method_index(Array<Method*>* methods, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1316 Array<AnnotationArray*>* annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1317 GrowableArray<AnnotationArray*>* temp_array) { |
0 | 1318 if (annotations == NULL) { |
1319 return; | |
1320 } | |
1321 | |
1322 int length = methods->length(); | |
1323 int i; | |
1324 // Copy to temp array | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
104
diff
changeset
|
1325 temp_array->clear(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
104
diff
changeset
|
1326 for (i = 0; i < length; i++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1327 temp_array->append(annotations->at(i)); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
104
diff
changeset
|
1328 } |
0 | 1329 |
1330 // Copy back using old method indices | |
1331 for (i = 0; i < length; i++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1332 Method* m = methods->at(i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1333 annotations->at_put(i, temp_array->at(m->method_idnum())); |
0 | 1334 } |
1335 } | |
1336 | |
3779 | 1337 // Comparer for sorting an object array containing |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1338 // Method*s. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1339 static int method_comparator(Method* a, Method* b) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1340 return a->name()->fast_compare(b->name()); |
3929
f94227b6117b
7090259: Fix hotspot sources to build with old compilers
kvn
parents:
3891
diff
changeset
|
1341 } |
0 | 1342 |
1343 // This is only done during class loading, so it is OK to assume method_idnum matches the methods() array | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1344 void Method::sort_methods(Array<Method*>* methods, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1345 Array<AnnotationArray*>* methods_annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1346 Array<AnnotationArray*>* methods_parameter_annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1347 Array<AnnotationArray*>* methods_default_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7184
diff
changeset
|
1348 Array<AnnotationArray*>* methods_type_annotations, |
0 | 1349 bool idempotent) { |
1350 int length = methods->length(); | |
1351 if (length > 1) { | |
1352 bool do_annotations = false; | |
1353 if (methods_annotations != NULL || | |
1354 methods_parameter_annotations != NULL || | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7184
diff
changeset
|
1355 methods_default_annotations != NULL || |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7184
diff
changeset
|
1356 methods_type_annotations != NULL) { |
0 | 1357 do_annotations = true; |
1358 } | |
1359 if (do_annotations) { | |
1360 // Remember current method ordering so we can reorder annotations | |
1361 for (int i = 0; i < length; i++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1362 Method* m = methods->at(i); |
0 | 1363 m->set_method_idnum(i); |
1364 } | |
1365 } | |
3779 | 1366 { |
1367 No_Safepoint_Verifier nsv; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1368 QuickSort::sort<Method*>(methods->data(), length, method_comparator, idempotent); |
0 | 1369 } |
1370 | |
1371 // Sort annotations if necessary | |
1372 assert(methods_annotations == NULL || methods_annotations->length() == methods->length(), ""); | |
1373 assert(methods_parameter_annotations == NULL || methods_parameter_annotations->length() == methods->length(), ""); | |
1374 assert(methods_default_annotations == NULL || methods_default_annotations->length() == methods->length(), ""); | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7184
diff
changeset
|
1375 assert(methods_type_annotations == NULL || methods_type_annotations->length() == methods->length(), ""); |
0 | 1376 if (do_annotations) { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
104
diff
changeset
|
1377 ResourceMark rm; |
0 | 1378 // Allocate temporary storage |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1379 GrowableArray<AnnotationArray*>* temp_array = new GrowableArray<AnnotationArray*>(length); |
0 | 1380 reorder_based_on_method_index(methods, methods_annotations, temp_array); |
1381 reorder_based_on_method_index(methods, methods_parameter_annotations, temp_array); | |
1382 reorder_based_on_method_index(methods, methods_default_annotations, temp_array); | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7184
diff
changeset
|
1383 reorder_based_on_method_index(methods, methods_type_annotations, temp_array); |
0 | 1384 } |
1385 | |
1386 // Reset method ordering | |
1387 for (int i = 0; i < length; i++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1388 Method* m = methods->at(i); |
0 | 1389 m->set_method_idnum(i); |
1390 } | |
1391 } | |
1392 } | |
1393 | |
1394 | |
1395 //----------------------------------------------------------------------------------- | |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1396 // Non-product code unless JVM/TI needs it |
0 | 1397 |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1398 #if !defined(PRODUCT) || INCLUDE_JVMTI |
0 | 1399 class SignatureTypePrinter : public SignatureTypeNames { |
1400 private: | |
1401 outputStream* _st; | |
1402 bool _use_separator; | |
1403 | |
1404 void type_name(const char* name) { | |
1405 if (_use_separator) _st->print(", "); | |
1406 _st->print(name); | |
1407 _use_separator = true; | |
1408 } | |
1409 | |
1410 public: | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1411 SignatureTypePrinter(Symbol* signature, outputStream* st) : SignatureTypeNames(signature) { |
0 | 1412 _st = st; |
1413 _use_separator = false; | |
1414 } | |
1415 | |
1416 void print_parameters() { _use_separator = false; iterate_parameters(); } | |
1417 void print_returntype() { _use_separator = false; iterate_returntype(); } | |
1418 }; | |
1419 | |
1420 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1421 void Method::print_name(outputStream* st) { |
0 | 1422 Thread *thread = Thread::current(); |
1423 ResourceMark rm(thread); | |
1424 SignatureTypePrinter sig(signature(), st); | |
1425 st->print("%s ", is_static() ? "static" : "virtual"); | |
1426 sig.print_returntype(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1427 st->print(" %s.", method_holder()->internal_name()); |
0 | 1428 name()->print_symbol_on(st); |
1429 st->print("("); | |
1430 sig.print_parameters(); | |
1431 st->print(")"); | |
1432 } | |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1433 #endif // !PRODUCT || INCLUDE_JVMTI |
0 | 1434 |
1435 | |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1436 //----------------------------------------------------------------------------------- |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1437 // Non-product code |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1438 |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7956
diff
changeset
|
1439 #ifndef PRODUCT |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1440 void Method::print_codes_on(outputStream* st) const { |
0 | 1441 print_codes_on(0, code_size(), st); |
1442 } | |
1443 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1444 void Method::print_codes_on(int from, int to, outputStream* st) const { |
0 | 1445 Thread *thread = Thread::current(); |
1446 ResourceMark rm(thread); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1447 methodHandle mh (thread, (Method*)this); |
0 | 1448 BytecodeStream s(mh); |
1449 s.set_interval(from, to); | |
1450 BytecodeTracer::set_closure(BytecodeTracer::std_closure()); | |
1451 while (s.next() >= 0) BytecodeTracer::trace(mh, s.bcp(), st); | |
1452 } | |
1453 #endif // not PRODUCT | |
1454 | |
1455 | |
1456 // Simple compression of line number tables. We use a regular compressed stream, except that we compress deltas | |
1457 // between (bci,line) pairs since they are smaller. If (bci delta, line delta) fits in (5-bit unsigned, 3-bit unsigned) | |
1458 // we save it as one byte, otherwise we write a 0xFF escape character and use regular compression. 0x0 is used | |
1459 // as end-of-stream terminator. | |
1460 | |
1461 void CompressedLineNumberWriteStream::write_pair_regular(int bci_delta, int line_delta) { | |
1462 // bci and line number does not compress into single byte. | |
1463 // Write out escape character and use regular compression for bci and line number. | |
1464 write_byte((jubyte)0xFF); | |
1465 write_signed_int(bci_delta); | |
1466 write_signed_int(line_delta); | |
1467 } | |
1468 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1469 // 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
|
1470 #if defined(_M_AMD64) && _MSC_VER >= 1400 |
0 | 1471 #pragma optimize("", off) |
1472 void CompressedLineNumberWriteStream::write_pair(int bci, int line) { | |
1473 write_pair_inline(bci, line); | |
1474 } | |
1475 #pragma optimize("", on) | |
1476 #endif | |
1477 | |
1478 CompressedLineNumberReadStream::CompressedLineNumberReadStream(u_char* buffer) : CompressedReadStream(buffer) { | |
1479 _bci = 0; | |
1480 _line = 0; | |
1481 }; | |
1482 | |
1483 | |
1484 bool CompressedLineNumberReadStream::read_pair() { | |
1485 jubyte next = read_byte(); | |
1486 // Check for terminator | |
1487 if (next == 0) return false; | |
1488 if (next == 0xFF) { | |
1489 // Escape character, regular compression used | |
1490 _bci += read_signed_int(); | |
1491 _line += read_signed_int(); | |
1492 } else { | |
1493 // Single byte compression used | |
1494 _bci += next >> 3; | |
1495 _line += next & 0x7; | |
1496 } | |
1497 return true; | |
1498 } | |
1499 | |
1500 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1501 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
|
1502 BreakpointInfo* bp = method_holder()->breakpoints(); |
0 | 1503 for (; bp != NULL; bp = bp->next()) { |
1504 if (bp->match(this, bci)) { | |
1505 return bp->orig_bytecode(); | |
1506 } | |
1507 } | |
1508 ShouldNotReachHere(); | |
1509 return Bytecodes::_shouldnotreachhere; | |
1510 } | |
1511 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1512 void Method::set_orig_bytecode_at(int bci, Bytecodes::Code code) { |
0 | 1513 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
|
1514 BreakpointInfo* bp = method_holder()->breakpoints(); |
0 | 1515 for (; bp != NULL; bp = bp->next()) { |
1516 if (bp->match(this, bci)) { | |
1517 bp->set_orig_bytecode(code); | |
1518 // and continue, in case there is more than one | |
1519 } | |
1520 } | |
1521 } | |
1522 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1523 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
|
1524 InstanceKlass* ik = method_holder(); |
0 | 1525 BreakpointInfo *bp = new BreakpointInfo(this, bci); |
1526 bp->set_next(ik->breakpoints()); | |
1527 ik->set_breakpoints(bp); | |
1528 // do this last: | |
1529 bp->set(this); | |
1530 } | |
1531 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1532 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
|
1533 InstanceKlass* ik = m->method_holder(); |
0 | 1534 BreakpointInfo* prev_bp = NULL; |
1535 BreakpointInfo* next_bp; | |
1536 for (BreakpointInfo* bp = ik->breakpoints(); bp != NULL; bp = next_bp) { | |
1537 next_bp = bp->next(); | |
1538 // bci value of -1 is used to delete all breakpoints in method m (ex: clear_all_breakpoint). | |
1539 if (bci >= 0 ? bp->match(m, bci) : bp->match(m)) { | |
1540 // do this first: | |
1541 bp->clear(m); | |
1542 // unhook it | |
1543 if (prev_bp != NULL) | |
1544 prev_bp->set_next(next_bp); | |
1545 else | |
1546 ik->set_breakpoints(next_bp); | |
1547 delete bp; | |
1548 // When class is redefined JVMTI sets breakpoint in all versions of EMCP methods | |
1549 // at same location. So we have multiple matching (method_index and bci) | |
1550 // BreakpointInfo nodes in BreakpointInfo list. We should just delete one | |
1551 // breakpoint for clear_breakpoint request and keep all other method versions | |
1552 // BreakpointInfo for future clear_breakpoint request. | |
1553 // bcivalue of -1 is used to clear all breakpoints (see clear_all_breakpoints) | |
1554 // which is being called when class is unloaded. We delete all the Breakpoint | |
1555 // information for all versions of method. We may not correctly restore the original | |
1556 // bytecode in all method versions, but that is ok. Because the class is being unloaded | |
1557 // so these methods won't be used anymore. | |
1558 if (bci >= 0) { | |
1559 break; | |
1560 } | |
1561 } else { | |
1562 // This one is a keeper. | |
1563 prev_bp = bp; | |
1564 } | |
1565 } | |
1566 } | |
1567 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1568 void Method::clear_breakpoint(int bci) { |
0 | 1569 assert(bci >= 0, ""); |
1570 clear_matches(this, bci); | |
1571 } | |
1572 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1573 void Method::clear_all_breakpoints() { |
0 | 1574 clear_matches(this, -1); |
1575 } | |
1576 | |
1577 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1578 int Method::invocation_count() { |
1783 | 1579 if (TieredCompilation) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1580 MethodData* const mdo = method_data(); |
1783 | 1581 if (invocation_counter()->carry() || ((mdo != NULL) ? mdo->invocation_counter()->carry() : false)) { |
1582 return InvocationCounter::count_limit; | |
1583 } else { | |
1584 return invocation_counter()->count() + ((mdo != NULL) ? mdo->invocation_counter()->count() : 0); | |
1585 } | |
1586 } else { | |
1587 return invocation_counter()->count(); | |
1588 } | |
1589 } | |
1590 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1591 int Method::backedge_count() { |
1783 | 1592 if (TieredCompilation) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1593 MethodData* const mdo = method_data(); |
1783 | 1594 if (backedge_counter()->carry() || ((mdo != NULL) ? mdo->backedge_counter()->carry() : false)) { |
1595 return InvocationCounter::count_limit; | |
1596 } else { | |
1597 return backedge_counter()->count() + ((mdo != NULL) ? mdo->backedge_counter()->count() : 0); | |
1598 } | |
1599 } else { | |
1600 return backedge_counter()->count(); | |
1601 } | |
1602 } | |
1603 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1604 int Method::highest_comp_level() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1605 MethodData* mdo = method_data(); |
1783 | 1606 if (mdo != NULL) { |
1607 return mdo->highest_comp_level(); | |
1608 } else { | |
1609 return CompLevel_none; | |
1610 } | |
1611 } | |
1612 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1613 int Method::highest_osr_comp_level() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1614 MethodData* mdo = method_data(); |
1783 | 1615 if (mdo != NULL) { |
1616 return mdo->highest_osr_comp_level(); | |
1617 } else { | |
1618 return CompLevel_none; | |
1619 } | |
1620 } | |
1621 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1622 void Method::set_highest_comp_level(int level) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1623 MethodData* mdo = method_data(); |
1783 | 1624 if (mdo != NULL) { |
1625 mdo->set_highest_comp_level(level); | |
1626 } | |
1627 } | |
1628 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1629 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
|
1630 MethodData* mdo = method_data(); |
1783 | 1631 if (mdo != NULL) { |
1632 mdo->set_highest_osr_comp_level(level); | |
1633 } | |
1634 } | |
1635 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1636 BreakpointInfo::BreakpointInfo(Method* m, int bci) { |
0 | 1637 _bci = bci; |
1638 _name_index = m->name_index(); | |
1639 _signature_index = m->signature_index(); | |
1640 _orig_bytecode = (Bytecodes::Code) *m->bcp_from(_bci); | |
1641 if (_orig_bytecode == Bytecodes::_breakpoint) | |
1642 _orig_bytecode = m->orig_bytecode_at(_bci); | |
1643 _next = NULL; | |
1644 } | |
1645 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1646 void BreakpointInfo::set(Method* method) { |
0 | 1647 #ifdef ASSERT |
1648 { | |
1649 Bytecodes::Code code = (Bytecodes::Code) *method->bcp_from(_bci); | |
1650 if (code == Bytecodes::_breakpoint) | |
1651 code = method->orig_bytecode_at(_bci); | |
1652 assert(orig_bytecode() == code, "original bytecode must be the same"); | |
1653 } | |
1654 #endif | |
1655 *method->bcp_from(_bci) = Bytecodes::_breakpoint; | |
1656 method->incr_number_of_breakpoints(); | |
1657 SystemDictionary::notice_modification(); | |
1658 { | |
1659 // Deoptimize all dependents on this method | |
1660 Thread *thread = Thread::current(); | |
1661 HandleMark hm(thread); | |
1662 methodHandle mh(thread, method); | |
1663 Universe::flush_dependents_on_method(mh); | |
1664 } | |
1665 } | |
1666 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1667 void BreakpointInfo::clear(Method* method) { |
0 | 1668 *method->bcp_from(_bci) = orig_bytecode(); |
1669 assert(method->number_of_breakpoints() > 0, "must not go negative"); | |
1670 method->decr_number_of_breakpoints(); | |
1671 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1672 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1673 // jmethodID handling |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1674 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1675 // 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
|
1676 // 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
|
1677 // 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
|
1678 // 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
|
1679 // never get rid of it. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1680 // 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
|
1681 // 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
|
1682 // into templates. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1683 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1684 // 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
|
1685 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1686 class JNIMethodBlock : public CHeapObj<mtClass> { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1687 enum { number_of_methods = 8 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1688 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1689 Method* _methods[number_of_methods]; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1690 int _top; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1691 JNIMethodBlock* _next; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1692 public: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1693 static Method* const _free_method; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1694 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1695 JNIMethodBlock() : _next(NULL), _top(0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1696 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
|
1697 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1698 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1699 Method** add_method(Method* m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1700 if (_top < number_of_methods) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1701 // top points to the next free entry. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1702 int i = _top; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1703 _methods[i] = m; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1704 _top++; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1705 return &_methods[i]; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1706 } else if (_top == number_of_methods) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1707 // 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
|
1708 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
|
1709 if (_methods[i] == _free_method) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1710 _methods[i] = m; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1711 return &_methods[i]; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1712 } |
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 // 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
|
1715 // Increment top past the end of the block. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1716 _top++; |
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 // need to allocate a next block. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1719 if (_next == NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1720 _next = new JNIMethodBlock(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1721 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1722 return _next->add_method(m); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1723 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1724 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1725 bool contains(Method** m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1726 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
|
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 (&(b->_methods[i]) == m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1729 return true; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1730 } |
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 return false; // not found |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1734 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1735 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1736 // 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
|
1737 void destroy_method(Method** m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1738 #ifdef ASSERT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1739 assert(contains(m), "should be a methodID"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1740 #endif // ASSERT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1741 *m = _free_method; |
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 // 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
|
1745 // than freed. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1746 void clear_all_methods() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1747 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
|
1748 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
|
1749 _methods[i] = NULL; |
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 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1753 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1754 int count_methods() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1755 // count all allocated methods |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1756 int count = 0; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1757 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
|
1758 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
|
1759 if (_methods[i] != _free_method) count++; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1760 } |
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 return count; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1763 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1764 #endif // PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1765 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1766 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1767 // 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
|
1768 Method* const JNIMethodBlock::_free_method = (Method*)55; |
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 // Add a method id to the jmethod_ids |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1771 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
|
1772 ClassLoaderData* cld = loader_data; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1773 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1774 if (!SafepointSynchronize::is_at_safepoint()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1775 // 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
|
1776 // 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
|
1777 // protects as well. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1778 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
|
1779 if (cld->jmethod_ids() == NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1780 cld->set_jmethod_ids(new JNIMethodBlock()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1781 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1782 // jmethodID is a pointer to Method* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1783 return (jmethodID)cld->jmethod_ids()->add_method(m); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1784 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1785 // 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
|
1786 if (cld->jmethod_ids() == NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1787 cld->set_jmethod_ids(new JNIMethodBlock()); |
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 // jmethodID is a pointer to Method* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1790 return (jmethodID)cld->jmethod_ids()->add_method(m); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1791 } |
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 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1794 // 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
|
1795 // InstanceKlass while creating the jmethodID cache. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1796 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
|
1797 ClassLoaderData* cld = loader_data; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1798 Method** ptr = (Method**)m; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1799 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
|
1800 cld->jmethod_ids()->destroy_method(ptr); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1801 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1802 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1803 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
|
1804 // 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
|
1805 // scratch method holder. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1806 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
|
1807 == new_method->method_holder()->class_loader(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1808 "changing to a different class loader"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1809 // 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
|
1810 *((Method**)jmid) = new_method; |
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 bool Method::is_method_id(jmethodID mid) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1814 Method* m = resolve_jmethod_id(mid); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1815 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
|
1816 InstanceKlass* ik = m->method_holder(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1817 ClassLoaderData* cld = ik->class_loader_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1818 if (cld->jmethod_ids() == NULL) return false; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1819 return (cld->jmethod_ids()->contains((Method**)mid)); |
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 Method* Method::checked_resolve_jmethod_id(jmethodID mid) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1823 if (mid == NULL) return NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1824 Method* o = resolve_jmethod_id(mid); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1825 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
|
1826 return NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1827 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1828 return o; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1829 }; |
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 void Method::set_on_stack(const bool value) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1832 // 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
|
1833 // 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
|
1834 _access_flags.set_on_stack(value); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1835 constants()->set_on_stack(value); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1836 if (value) MetadataOnStackMark::record(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1837 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1838 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1839 // 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
|
1840 void Method::clear_jmethod_ids(ClassLoaderData* loader_data) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1841 loader_data->jmethod_ids()->clear_all_methods(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1842 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1843 |
7176
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1844 |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1845 // 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
|
1846 bool Method::is_valid_method() const { |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1847 if (this == NULL) { |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1848 return false; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1849 } else if (!is_metaspace_object()) { |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1850 return false; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1851 } else { |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1852 Method m; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1853 // 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
|
1854 // This assumption is also in universe.cpp patch_klass_vtble |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1855 void* vtbl2 = dereference_vptr((void*)&m); |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1856 void* this_vtbl = dereference_vptr((void*)this); |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1857 return vtbl2 == this_vtbl; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1858 } |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1859 } |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1860 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1861 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1862 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
|
1863 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
|
1864 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1865 #endif // PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1866 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1867 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1868 // Printing |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1869 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1870 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1871 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1872 void Method::print_on(outputStream* st) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1873 ResourceMark rm; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1874 assert(is_method(), "must be method"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1875 st->print_cr(internal_name()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1876 // get the effect of PrintOopAddress, always, for methods: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1877 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
|
1878 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
|
1879 st->print (" - constants: "INTPTR_FORMAT" ", (address)constants()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1880 constants()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1881 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
|
1882 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
|
1883 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
|
1884 st->print_cr(" - max stack: %d", max_stack()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1885 st->print_cr(" - max locals: %d", max_locals()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1886 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
|
1887 st->print_cr(" - method size: %d", method_size()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1888 if (intrinsic_id() != vmIntrinsics::_none) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1889 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
|
1890 if (highest_comp_level() != CompLevel_none) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1891 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
|
1892 st->print_cr(" - vtable index: %d", _vtable_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1893 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
|
1894 st->print( " - adapters: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1895 AdapterHandlerEntry* a = ((Method*)this)->adapter(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1896 if (a == NULL) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1897 st->print_cr(INTPTR_FORMAT, a); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1898 else |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1899 a->print_adapter_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1900 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
|
1901 st->print_cr(" - code size: %d", code_size()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1902 if (code_size() != 0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1903 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
|
1904 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
|
1905 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1906 if (method_data() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1907 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
|
1908 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1909 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
|
1910 if (checked_exceptions_length() > 0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1911 CheckedExceptionElement* table = checked_exceptions_start(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1912 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
|
1913 if (Verbose) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1914 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
|
1915 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
|
1916 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1917 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1918 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1919 if (has_linenumber_table()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1920 u_char* table = compressed_linenumber_table(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1921 st->print_cr(" - linenumber start: " INTPTR_FORMAT, table); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1922 if (Verbose) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1923 CompressedLineNumberReadStream stream(table); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1924 while (stream.read_pair()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1925 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
|
1926 } |
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 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1929 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
|
1930 if (localvariable_table_length() > 0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1931 LocalVariableTableElement* table = localvariable_table_start(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1932 st->print_cr(" - localvar start: " INTPTR_FORMAT, table); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1933 if (Verbose) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1934 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
|
1935 int bci = table[i].start_bci; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1936 int len = table[i].length; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1937 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
|
1938 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
|
1939 int slot = table[i].slot; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1940 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
|
1941 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1942 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1943 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1944 if (code() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1945 st->print (" - compiled code: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1946 code()->print_value_on(st); |
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 if (is_native()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1949 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
|
1950 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
|
1951 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1952 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1953 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1954 #endif //PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1955 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1956 void Method::print_value_on(outputStream* st) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1957 assert(is_method(), "must be method"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1958 st->print_cr(internal_name()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1959 print_address_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1960 st->print(" "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1961 name()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1962 st->print(" "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1963 signature()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1964 st->print(" in "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1965 method_holder()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1966 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
|
1967 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
|
1968 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1969 |
7956 | 1970 #if INCLUDE_SERVICES |
1971 // Size Statistics | |
1972 void Method::collect_statistics(KlassSizeStats *sz) const { | |
1973 int mysize = sz->count(this); | |
1974 sz->_method_bytes += mysize; | |
1975 sz->_method_all_bytes += mysize; | |
1976 sz->_rw_bytes += mysize; | |
1977 | |
1978 if (constMethod()) { | |
1979 constMethod()->collect_statistics(sz); | |
1980 } | |
1981 if (method_data()) { | |
1982 method_data()->collect_statistics(sz); | |
1983 } | |
1984 } | |
1985 #endif // INCLUDE_SERVICES | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1986 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1987 // Verification |
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 void Method::verify_on(outputStream* st) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1990 guarantee(is_method(), "object must be method"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1991 guarantee(is_metadata(), "should be metadata"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1992 guarantee(constants()->is_constantPool(), "should be constant pool"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1993 guarantee(constants()->is_metadata(), "should be metadata"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1994 guarantee(constMethod()->is_constMethod(), "should be ConstMethod*"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1995 guarantee(constMethod()->is_metadata(), "should be metadata"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1996 MethodData* md = method_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1997 guarantee(md == NULL || |
7176
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6983
diff
changeset
|
1998 md->is_metadata(), "should be metadata"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1999 guarantee(md == NULL || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2000 md->is_methodData(), "should be method data"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2001 } |