annotate src/share/vm/oops/method.cpp @ 20619:b12a2a9b05ca

8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse Reviewed-by: mgerdin, coleenp, bdelsart
author stefank
date Thu, 02 Oct 2014 10:55:36 +0200
parents 966205f0e717
children 600c44255e5f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 17935
diff changeset
2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
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
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
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
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
27 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
28 #include "code/debugInfoRec.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
29 #include "gc_interface/collectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
30 #include "interpreter/bytecodeStream.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
31 #include "interpreter/bytecodeTracer.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
32 #include "interpreter/bytecodes.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
33 #include "interpreter/interpreter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
34 #include "interpreter/oopMapCache.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
35 #include "memory/gcLocker.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
36 #include "memory/generation.hpp"
7956
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
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
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
39 #include "memory/oopFactory.hpp"
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
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
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
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
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
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
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
47 #include "prims/nativeLookup.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
48 #include "runtime/arguments.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
49 #include "runtime/compilationPolicy.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
50 #include "runtime/frame.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
51 #include "runtime/handles.inline.hpp"
20197
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp.
goetz
parents: 17937
diff changeset
52 #include "runtime/orderAccess.inline.hpp"
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
53 #include "runtime/relocator.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
54 #include "runtime/sharedRuntime.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
55 #include "runtime/signature.hpp"
3779
04760e41b01e 7016112: CMS: crash during promotion testing
brutisso
parents: 2478
diff changeset
56 #include "utilities/quickSort.hpp"
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1845
diff changeset
57 #include "utilities/xmlstream.hpp"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
58
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 17935
diff changeset
59 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
0
a61af66fc99e Initial load
duke
parents:
diff changeset
60
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
61 // Implementation of Method
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
62
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
63 Method* Method::allocate(ClassLoaderData* loader_data,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
64 int byte_code_size,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
65 AccessFlags access_flags,
8031
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
66 InlineTableSizes* sizes,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
67 ConstMethod::MethodType method_type,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
68 TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
69 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
70 "native methods should not contain byte codes");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
71 ConstMethod* cm = ConstMethod::allocate(loader_data,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
72 byte_code_size,
8031
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
73 sizes,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
74 method_type,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
75 CHECK_NULL);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
76
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
77 int size = Method::size(access_flags.is_native());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
78
10376
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 10283
diff changeset
79 return new (loader_data, size, false, MetaspaceObj::MethodType, THREAD) Method(cm, access_flags, size);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
80 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
81
8712
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents: 8031
diff changeset
82 Method::Method(ConstMethod* xconst, AccessFlags access_flags, int size) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
83 No_Safepoint_Verifier no_safepoint;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
84 set_constMethod(xconst);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
85 set_access_flags(access_flags);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
86 set_method_size(size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
87 #ifdef CC_INTERP
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
88 set_result_index(T_VOID);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
89 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
90 set_intrinsic_id(vmIntrinsics::_none);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
91 set_jfr_towrite(false);
8715
5939f5953b45 8009836: nsk/regression/b4222717 fails with empty stack trace
coleenp
parents: 8712
diff changeset
92 set_force_inline(false);
5939f5953b45 8009836: nsk/regression/b4222717 fails with empty stack trace
coleenp
parents: 8712
diff changeset
93 set_hidden(false);
5939f5953b45 8009836: nsk/regression/b4222717 fails with empty stack trace
coleenp
parents: 8712
diff changeset
94 set_dont_inline(false);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
95 set_method_data(NULL);
20489
966205f0e717 8058564: Tiered compilation performance drop in PIT
iveresov
parents: 20470
diff changeset
96 clear_method_counters();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
97 set_vtable_index(Method::garbage_vtable_index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
98
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
99 // Fix and bury in Method*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
100 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
101 set_adapter_entry(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
102 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
103
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
104 if (access_flags.is_native()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
105 clear_native_function();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
106 set_signature_handler(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
107 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
108
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
109 NOT_PRODUCT(set_compiled_invocation_count(0);)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
110 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
111
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
112 // 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
113 // we've walked the code cache.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
114 void Method::deallocate_contents(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
115 MetadataFactory::free_metadata(loader_data, constMethod());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
116 set_constMethod(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
117 MetadataFactory::free_metadata(loader_data, method_data());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
118 set_method_data(NULL);
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
119 MetadataFactory::free_metadata(loader_data, method_counters());
20489
966205f0e717 8058564: Tiered compilation performance drop in PIT
iveresov
parents: 20470
diff changeset
120 clear_method_counters();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
121 // 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
122 if (code() != NULL) _code = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
123 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
124
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
125 address Method::get_i2c_entry() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
126 assert(_adapter != NULL, "must have");
a61af66fc99e Initial load
duke
parents:
diff changeset
127 return _adapter->get_i2c_entry();
a61af66fc99e Initial load
duke
parents:
diff changeset
128 }
a61af66fc99e Initial load
duke
parents:
diff changeset
129
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
130 address Method::get_c2i_entry() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
131 assert(_adapter != NULL, "must have");
a61af66fc99e Initial load
duke
parents:
diff changeset
132 return _adapter->get_c2i_entry();
a61af66fc99e Initial load
duke
parents:
diff changeset
133 }
a61af66fc99e Initial load
duke
parents:
diff changeset
134
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
135 address Method::get_c2i_unverified_entry() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
136 assert(_adapter != NULL, "must have");
a61af66fc99e Initial load
duke
parents:
diff changeset
137 return _adapter->get_c2i_unverified_entry();
a61af66fc99e Initial load
duke
parents:
diff changeset
138 }
a61af66fc99e Initial load
duke
parents:
diff changeset
139
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
140 char* Method::name_and_sig_as_C_string() const {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
141 return name_and_sig_as_C_string(constants()->pool_holder(), name(), signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
142 }
a61af66fc99e Initial load
duke
parents:
diff changeset
143
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
144 char* Method::name_and_sig_as_C_string(char* buf, int size) const {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
145 return name_and_sig_as_C_string(constants()->pool_holder(), name(), signature(), buf, size);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
146 }
a61af66fc99e Initial load
duke
parents:
diff changeset
147
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
148 char* Method::name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
149 const char* klass_name = klass->external_name();
a61af66fc99e Initial load
duke
parents:
diff changeset
150 int klass_name_len = (int)strlen(klass_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
151 int method_name_len = method_name->utf8_length();
a61af66fc99e Initial load
duke
parents:
diff changeset
152 int len = klass_name_len + 1 + method_name_len + signature->utf8_length();
a61af66fc99e Initial load
duke
parents:
diff changeset
153 char* dest = NEW_RESOURCE_ARRAY(char, len + 1);
a61af66fc99e Initial load
duke
parents:
diff changeset
154 strcpy(dest, klass_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
155 dest[klass_name_len] = '.';
a61af66fc99e Initial load
duke
parents:
diff changeset
156 strcpy(&dest[klass_name_len + 1], method_name->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
157 strcpy(&dest[klass_name_len + 1 + method_name_len], signature->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
158 dest[len] = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
159 return dest;
a61af66fc99e Initial load
duke
parents:
diff changeset
160 }
a61af66fc99e Initial load
duke
parents:
diff changeset
161
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
162 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
163 Symbol* klass_name = klass->name();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
164 klass_name->as_klass_external_name(buf, size);
a61af66fc99e Initial load
duke
parents:
diff changeset
165 int len = (int)strlen(buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
166
a61af66fc99e Initial load
duke
parents:
diff changeset
167 if (len < size - 1) {
a61af66fc99e Initial load
duke
parents:
diff changeset
168 buf[len++] = '.';
a61af66fc99e Initial load
duke
parents:
diff changeset
169
a61af66fc99e Initial load
duke
parents:
diff changeset
170 method_name->as_C_string(&(buf[len]), size - len);
a61af66fc99e Initial load
duke
parents:
diff changeset
171 len = (int)strlen(buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
172
a61af66fc99e Initial load
duke
parents:
diff changeset
173 signature->as_C_string(&(buf[len]), size - len);
a61af66fc99e Initial load
duke
parents:
diff changeset
174 }
a61af66fc99e Initial load
duke
parents:
diff changeset
175
a61af66fc99e Initial load
duke
parents:
diff changeset
176 return buf;
a61af66fc99e Initial load
duke
parents:
diff changeset
177 }
a61af66fc99e Initial load
duke
parents:
diff changeset
178
7469
0c8717a92b2d 8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents: 7184
diff changeset
179 int Method::fast_exception_handler_bci_for(methodHandle mh, KlassHandle ex_klass, int throw_bci, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
180 // exception table holds quadruple entries of the form (beg_bci, end_bci, handler_bci, klass_index)
a61af66fc99e Initial load
duke
parents:
diff changeset
181 // access exception table
7469
0c8717a92b2d 8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents: 7184
diff changeset
182 ExceptionTable table(mh());
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6146
diff changeset
183 int length = table.length();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
184 // 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
185 constantPoolHandle pool(THREAD, mh->constants());
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6146
diff changeset
186 for (int i = 0; i < length; i ++) {
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6146
diff changeset
187 //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
188 ExceptionTable table(mh());
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6146
diff changeset
189 int beg_bci = table.start_pc(i);
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6146
diff changeset
190 int end_bci = table.end_pc(i);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
191 assert(beg_bci <= end_bci, "inconsistent exception table");
a61af66fc99e Initial load
duke
parents:
diff changeset
192 if (beg_bci <= throw_bci && throw_bci < end_bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
193 // 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
194 int handler_bci = table.handler_pc(i);
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6146
diff changeset
195 int klass_index = table.catch_type_index(i);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
196 if (klass_index == 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
197 return handler_bci;
a61af66fc99e Initial load
duke
parents:
diff changeset
198 } else if (ex_klass.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
199 return handler_bci;
a61af66fc99e Initial load
duke
parents:
diff changeset
200 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
201 // we know the exception class => get the constraint class
a61af66fc99e Initial load
duke
parents:
diff changeset
202 // this may require loading of the constraint class; if verification
a61af66fc99e Initial load
duke
parents:
diff changeset
203 // 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
204 Klass* k = pool->klass_at(klass_index, CHECK_(handler_bci));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
205 KlassHandle klass = KlassHandle(THREAD, k);
a61af66fc99e Initial load
duke
parents:
diff changeset
206 assert(klass.not_null(), "klass not loaded");
a61af66fc99e Initial load
duke
parents:
diff changeset
207 if (ex_klass->is_subtype_of(klass())) {
a61af66fc99e Initial load
duke
parents:
diff changeset
208 return handler_bci;
a61af66fc99e Initial load
duke
parents:
diff changeset
209 }
a61af66fc99e Initial load
duke
parents:
diff changeset
210 }
a61af66fc99e Initial load
duke
parents:
diff changeset
211 }
a61af66fc99e Initial load
duke
parents:
diff changeset
212 }
a61af66fc99e Initial load
duke
parents:
diff changeset
213
a61af66fc99e Initial load
duke
parents:
diff changeset
214 return -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
215 }
a61af66fc99e Initial load
duke
parents:
diff changeset
216
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
217 void Method::mask_for(int bci, InterpreterOopMap* mask) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
218
a61af66fc99e Initial load
duke
parents:
diff changeset
219 Thread* myThread = Thread::current();
a61af66fc99e Initial load
duke
parents:
diff changeset
220 methodHandle h_this(myThread, this);
a61af66fc99e Initial load
duke
parents:
diff changeset
221 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
222 bool has_capability = myThread->is_VM_thread() ||
a61af66fc99e Initial load
duke
parents:
diff changeset
223 myThread->is_ConcurrentGC_thread() ||
a61af66fc99e Initial load
duke
parents:
diff changeset
224 myThread->is_GC_task_thread();
a61af66fc99e Initial load
duke
parents:
diff changeset
225
a61af66fc99e Initial load
duke
parents:
diff changeset
226 if (!has_capability) {
a61af66fc99e Initial load
duke
parents:
diff changeset
227 if (!VerifyStack && !VerifyLastFrame) {
a61af66fc99e Initial load
duke
parents:
diff changeset
228 // verify stack calls this outside VM thread
a61af66fc99e Initial load
duke
parents:
diff changeset
229 warning("oopmap should only be accessed by the "
a61af66fc99e Initial load
duke
parents:
diff changeset
230 "VM, GC task or CMS threads (or during debugging)");
a61af66fc99e Initial load
duke
parents:
diff changeset
231 InterpreterOopMap local_mask;
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6935
diff changeset
232 method_holder()->mask_for(h_this, bci, &local_mask);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
233 local_mask.print();
a61af66fc99e Initial load
duke
parents:
diff changeset
234 }
a61af66fc99e Initial load
duke
parents:
diff changeset
235 }
a61af66fc99e Initial load
duke
parents:
diff changeset
236 #endif
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6935
diff changeset
237 method_holder()->mask_for(h_this, bci, mask);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
238 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
239 }
a61af66fc99e Initial load
duke
parents:
diff changeset
240
a61af66fc99e Initial load
duke
parents:
diff changeset
241
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
242 int Method::bci_from(address bcp) const {
6791
8d3cc6612bd1 7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents: 6735
diff changeset
243 #ifdef ASSERT
8d3cc6612bd1 7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents: 6735
diff changeset
244 { ResourceMark rm;
6145
e2fe93124108 7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents: 4873
diff changeset
245 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
246 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
247 }
8d3cc6612bd1 7197033: missing ResourceMark for assert in Method::bci_from()
kvn
parents: 6735
diff changeset
248 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
249 return bcp - code_base();
a61af66fc99e Initial load
duke
parents:
diff changeset
250 }
a61af66fc99e Initial load
duke
parents:
diff changeset
251
a61af66fc99e Initial load
duke
parents:
diff changeset
252
a61af66fc99e Initial load
duke
parents:
diff changeset
253 // Return (int)bcx if it appears to be a valid BCI.
a61af66fc99e Initial load
duke
parents:
diff changeset
254 // Return bci_from((address)bcx) if it appears to be a valid BCP.
a61af66fc99e Initial load
duke
parents:
diff changeset
255 // Return -1 otherwise.
a61af66fc99e Initial load
duke
parents:
diff changeset
256 // 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
257 // 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
258 int Method::validate_bci_from_bcx(intptr_t bcx) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
259 // keep bci as -1 if not a valid bci
a61af66fc99e Initial load
duke
parents:
diff changeset
260 int bci = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
261 if (bcx == 0 || (address)bcx == code_base()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
262 // code_size() may return 0 and we allow 0 here
a61af66fc99e Initial load
duke
parents:
diff changeset
263 // the method may be native
a61af66fc99e Initial load
duke
parents:
diff changeset
264 bci = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
265 } else if (frame::is_bci(bcx)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
266 if (bcx < code_size()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
267 bci = (int)bcx;
a61af66fc99e Initial load
duke
parents:
diff changeset
268 }
a61af66fc99e Initial load
duke
parents:
diff changeset
269 } else if (contains((address)bcx)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
270 bci = (address)bcx - code_base();
a61af66fc99e Initial load
duke
parents:
diff changeset
271 }
a61af66fc99e Initial load
duke
parents:
diff changeset
272 // Assert that if we have dodged any asserts, bci is negative.
a61af66fc99e Initial load
duke
parents:
diff changeset
273 assert(bci == -1 || bci == bci_from(bcp_from(bci)), "sane bci if >=0");
a61af66fc99e Initial load
duke
parents:
diff changeset
274 return bci;
a61af66fc99e Initial load
duke
parents:
diff changeset
275 }
a61af66fc99e Initial load
duke
parents:
diff changeset
276
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
277 address Method::bcp_from(int bci) const {
17780
606acabe7b5c 8031320: Use Intel RTM instructions for locks
kvn
parents: 13010
diff changeset
278 assert((is_native() && bci == 0) || (!is_native() && 0 <= bci && bci < code_size()), err_msg("illegal bci: %d", bci));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
279 address bcp = code_base() + bci;
a61af66fc99e Initial load
duke
parents:
diff changeset
280 assert(is_native() && bcp == code_base() || contains(bcp), "bcp doesn't belong to this method");
a61af66fc99e Initial load
duke
parents:
diff changeset
281 return bcp;
a61af66fc99e Initial load
duke
parents:
diff changeset
282 }
a61af66fc99e Initial load
duke
parents:
diff changeset
283
a61af66fc99e Initial load
duke
parents:
diff changeset
284
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
285 int Method::size(bool is_native) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
286 // If native, then include pointers for native_function and signature_handler
a61af66fc99e Initial load
duke
parents:
diff changeset
287 int extra_bytes = (is_native) ? 2*sizeof(address*) : 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
288 int extra_words = align_size_up(extra_bytes, BytesPerWord) / BytesPerWord;
a61af66fc99e Initial load
duke
parents:
diff changeset
289 return align_object_size(header_size() + extra_words);
a61af66fc99e Initial load
duke
parents:
diff changeset
290 }
a61af66fc99e Initial load
duke
parents:
diff changeset
291
a61af66fc99e Initial load
duke
parents:
diff changeset
292
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
293 Symbol* Method::klass_name() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
294 Klass* k = method_holder();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
295 assert(k->is_klass(), "must be klass");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
296 InstanceKlass* ik = (InstanceKlass*) k;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
297 return ik->name();
a61af66fc99e Initial load
duke
parents:
diff changeset
298 }
a61af66fc99e Initial load
duke
parents:
diff changeset
299
a61af66fc99e Initial load
duke
parents:
diff changeset
300
a61af66fc99e Initial load
duke
parents:
diff changeset
301 // Attempt to return method oop to original state. Clear any pointers
a61af66fc99e Initial load
duke
parents:
diff changeset
302 // (to objects outside the shared spaces). We won't be able to predict
a61af66fc99e Initial load
duke
parents:
diff changeset
303 // where they should point in a new JVM. Further initialize some
a61af66fc99e Initial load
duke
parents:
diff changeset
304 // entries now in order allow them to be write protected later.
a61af66fc99e Initial load
duke
parents:
diff changeset
305
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
306 void Method::remove_unshareable_info() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
307 unlink_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
308 }
a61af66fc99e Initial load
duke
parents:
diff changeset
309
a61af66fc99e Initial load
duke
parents:
diff changeset
310
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
311 bool Method::was_executed_more_than(int n) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
312 // Invocation counter is reset when the Method* is compiled.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
313 // If the method has compiled code we therefore assume it has
a61af66fc99e Initial load
duke
parents:
diff changeset
314 // be excuted more than n times.
a61af66fc99e Initial load
duke
parents:
diff changeset
315 if (is_accessor() || is_empty_method() || (code() != NULL)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
316 // interpreter doesn't bump invocation counter of trivial methods
a61af66fc99e Initial load
duke
parents:
diff changeset
317 // compiler does not bump invocation counter of compiled methods
a61af66fc99e Initial load
duke
parents:
diff changeset
318 return true;
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
319 }
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
320 else if ((method_counters() != NULL &&
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
321 method_counters()->invocation_counter()->carry()) ||
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
322 (method_data() != NULL &&
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
323 method_data()->invocation_counter()->carry())) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
324 // The carry bit is set when the counter overflows and causes
a61af66fc99e Initial load
duke
parents:
diff changeset
325 // a compilation to occur. We don't know how many times
a61af66fc99e Initial load
duke
parents:
diff changeset
326 // the counter has been reset, so we simply assume it has
a61af66fc99e Initial load
duke
parents:
diff changeset
327 // been executed more than n times.
a61af66fc99e Initial load
duke
parents:
diff changeset
328 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
329 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
330 return invocation_count() > n;
a61af66fc99e Initial load
duke
parents:
diff changeset
331 }
a61af66fc99e Initial load
duke
parents:
diff changeset
332 }
a61af66fc99e Initial load
duke
parents:
diff changeset
333
a61af66fc99e Initial load
duke
parents:
diff changeset
334 #ifndef PRODUCT
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
335 void Method::print_invocation_count() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
336 if (is_static()) tty->print("static ");
a61af66fc99e Initial load
duke
parents:
diff changeset
337 if (is_final()) tty->print("final ");
a61af66fc99e Initial load
duke
parents:
diff changeset
338 if (is_synchronized()) tty->print("synchronized ");
a61af66fc99e Initial load
duke
parents:
diff changeset
339 if (is_native()) tty->print("native ");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
340 method_holder()->name()->print_symbol_on(tty);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
341 tty->print(".");
a61af66fc99e Initial load
duke
parents:
diff changeset
342 name()->print_symbol_on(tty);
a61af66fc99e Initial load
duke
parents:
diff changeset
343 signature()->print_symbol_on(tty);
a61af66fc99e Initial load
duke
parents:
diff changeset
344
a61af66fc99e Initial load
duke
parents:
diff changeset
345 if (WizardMode) {
a61af66fc99e Initial load
duke
parents:
diff changeset
346 // dump the size of the byte codes
a61af66fc99e Initial load
duke
parents:
diff changeset
347 tty->print(" {%d}", code_size());
a61af66fc99e Initial load
duke
parents:
diff changeset
348 }
a61af66fc99e Initial load
duke
parents:
diff changeset
349 tty->cr();
a61af66fc99e Initial load
duke
parents:
diff changeset
350
a61af66fc99e Initial load
duke
parents:
diff changeset
351 tty->print_cr (" interpreter_invocation_count: %8d ", interpreter_invocation_count());
a61af66fc99e Initial load
duke
parents:
diff changeset
352 tty->print_cr (" invocation_counter: %8d ", invocation_count());
a61af66fc99e Initial load
duke
parents:
diff changeset
353 tty->print_cr (" backedge_counter: %8d ", backedge_count());
a61af66fc99e Initial load
duke
parents:
diff changeset
354 if (CountCompiledCalls) {
a61af66fc99e Initial load
duke
parents:
diff changeset
355 tty->print_cr (" compiled_invocation_count: %8d ", compiled_invocation_count());
a61af66fc99e Initial load
duke
parents:
diff changeset
356 }
a61af66fc99e Initial load
duke
parents:
diff changeset
357
a61af66fc99e Initial load
duke
parents:
diff changeset
358 }
a61af66fc99e Initial load
duke
parents:
diff changeset
359 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
360
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
361 // Build a MethodData* object to hold information about this method
0
a61af66fc99e Initial load
duke
parents:
diff changeset
362 // collected in the interpreter.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
363 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
364 // 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
365 // which avoids deadlock for acquiring the MethodData_lock.
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
366 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
367 return;
7cf1a74771e8 6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents: 1972
diff changeset
368 }
7cf1a74771e8 6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents: 1972
diff changeset
369
0
a61af66fc99e Initial load
duke
parents:
diff changeset
370 // Grab a lock here to prevent multiple
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
371 // MethodData*s from being created.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
372 MutexLocker ml(MethodData_lock, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
373 if (method->method_data() == NULL) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
374 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
375 MethodData* method_data = MethodData::allocate(loader_data, method, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
376 method->set_method_data(method_data);
a61af66fc99e Initial load
duke
parents:
diff changeset
377 if (PrintMethodData && (Verbose || WizardMode)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
378 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
379 tty->print("build_interpreter_method_data for ");
a61af66fc99e Initial load
duke
parents:
diff changeset
380 method->print_name(tty);
a61af66fc99e Initial load
duke
parents:
diff changeset
381 tty->cr();
a61af66fc99e Initial load
duke
parents:
diff changeset
382 // At the end of the run, the MDO, full of data, will be dumped.
a61af66fc99e Initial load
duke
parents:
diff changeset
383 }
a61af66fc99e Initial load
duke
parents:
diff changeset
384 }
a61af66fc99e Initial load
duke
parents:
diff changeset
385 }
a61af66fc99e Initial load
duke
parents:
diff changeset
386
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
387 MethodCounters* Method::build_method_counters(Method* m, TRAPS) {
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
388 methodHandle mh(m);
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
389 ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
390 MethodCounters* counters = MethodCounters::allocate(loader_data, CHECK_NULL);
20489
966205f0e717 8058564: Tiered compilation performance drop in PIT
iveresov
parents: 20470
diff changeset
391 if (!mh->init_method_counters(counters)) {
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
392 MetadataFactory::free_metadata(loader_data, counters);
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
393 }
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
394 return mh->method_counters();
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
395 }
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
396
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
397 void Method::cleanup_inline_caches() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
398 // The current system doesn't use inline caches in the interpreter
a61af66fc99e Initial load
duke
parents:
diff changeset
399 // => nothing to do (keep this method around for future use)
a61af66fc99e Initial load
duke
parents:
diff changeset
400 }
a61af66fc99e Initial load
duke
parents:
diff changeset
401
a61af66fc99e Initial load
duke
parents:
diff changeset
402
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
403 int Method::extra_stack_words() {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
404 // not an inline function, to avoid a header dependency on Interpreter
1506
2338d41fbd81 6943304: remove tagged stack interpreter
twisti
parents: 1208
diff changeset
405 return extra_stack_entries() * Interpreter::stackElementSize;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
406 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
407
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
408
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
409 void Method::compute_size_of_parameters(Thread *thread) {
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
410 ArgumentSizeComputer asc(signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
411 set_size_of_parameters(asc.size() + (is_static() ? 0 : 1));
a61af66fc99e Initial load
duke
parents:
diff changeset
412 }
a61af66fc99e Initial load
duke
parents:
diff changeset
413
a61af66fc99e Initial load
duke
parents:
diff changeset
414 #ifdef CC_INTERP
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
415 void Method::set_result_index(BasicType type) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
416 _result_index = Interpreter::BasicType_as_index(type);
a61af66fc99e Initial load
duke
parents:
diff changeset
417 }
a61af66fc99e Initial load
duke
parents:
diff changeset
418 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
419
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
420 BasicType Method::result_type() const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
421 ResultTypeFinder rtf(signature());
a61af66fc99e Initial load
duke
parents:
diff changeset
422 return rtf.type();
a61af66fc99e Initial load
duke
parents:
diff changeset
423 }
a61af66fc99e Initial load
duke
parents:
diff changeset
424
a61af66fc99e Initial load
duke
parents:
diff changeset
425
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
426 bool Method::is_empty_method() const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
427 return code_size() == 1
a61af66fc99e Initial load
duke
parents:
diff changeset
428 && *code_base() == Bytecodes::_return;
a61af66fc99e Initial load
duke
parents:
diff changeset
429 }
a61af66fc99e Initial load
duke
parents:
diff changeset
430
a61af66fc99e Initial load
duke
parents:
diff changeset
431
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
432 bool Method::is_vanilla_constructor() const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
433 // Returns true if this method is a vanilla constructor, i.e. an "<init>" "()V" method
a61af66fc99e Initial load
duke
parents:
diff changeset
434 // which only calls the superclass vanilla constructor and possibly does stores of
a61af66fc99e Initial load
duke
parents:
diff changeset
435 // zero constants to local fields:
a61af66fc99e Initial load
duke
parents:
diff changeset
436 //
a61af66fc99e Initial load
duke
parents:
diff changeset
437 // aload_0
a61af66fc99e Initial load
duke
parents:
diff changeset
438 // invokespecial
a61af66fc99e Initial load
duke
parents:
diff changeset
439 // indexbyte1
a61af66fc99e Initial load
duke
parents:
diff changeset
440 // indexbyte2
a61af66fc99e Initial load
duke
parents:
diff changeset
441 //
a61af66fc99e Initial load
duke
parents:
diff changeset
442 // followed by an (optional) sequence of:
a61af66fc99e Initial load
duke
parents:
diff changeset
443 //
a61af66fc99e Initial load
duke
parents:
diff changeset
444 // aload_0
a61af66fc99e Initial load
duke
parents:
diff changeset
445 // aconst_null / iconst_0 / fconst_0 / dconst_0
a61af66fc99e Initial load
duke
parents:
diff changeset
446 // putfield
a61af66fc99e Initial load
duke
parents:
diff changeset
447 // indexbyte1
a61af66fc99e Initial load
duke
parents:
diff changeset
448 // indexbyte2
a61af66fc99e Initial load
duke
parents:
diff changeset
449 //
a61af66fc99e Initial load
duke
parents:
diff changeset
450 // followed by:
a61af66fc99e Initial load
duke
parents:
diff changeset
451 //
a61af66fc99e Initial load
duke
parents:
diff changeset
452 // return
a61af66fc99e Initial load
duke
parents:
diff changeset
453
a61af66fc99e Initial load
duke
parents:
diff changeset
454 assert(name() == vmSymbols::object_initializer_name(), "Should only be called for default constructors");
a61af66fc99e Initial load
duke
parents:
diff changeset
455 assert(signature() == vmSymbols::void_method_signature(), "Should only be called for default constructors");
a61af66fc99e Initial load
duke
parents:
diff changeset
456 int size = code_size();
a61af66fc99e Initial load
duke
parents:
diff changeset
457 // Check if size match
a61af66fc99e Initial load
duke
parents:
diff changeset
458 if (size == 0 || size % 5 != 0) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
459 address cb = code_base();
a61af66fc99e Initial load
duke
parents:
diff changeset
460 int last = size - 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
461 if (cb[0] != Bytecodes::_aload_0 || cb[1] != Bytecodes::_invokespecial || cb[last] != Bytecodes::_return) {
a61af66fc99e Initial load
duke
parents:
diff changeset
462 // Does not call superclass default constructor
a61af66fc99e Initial load
duke
parents:
diff changeset
463 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
464 }
a61af66fc99e Initial load
duke
parents:
diff changeset
465 // Check optional sequence
a61af66fc99e Initial load
duke
parents:
diff changeset
466 for (int i = 4; i < last; i += 5) {
a61af66fc99e Initial load
duke
parents:
diff changeset
467 if (cb[i] != Bytecodes::_aload_0) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
468 if (!Bytecodes::is_zero_const(Bytecodes::cast(cb[i+1]))) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
469 if (cb[i+2] != Bytecodes::_putfield) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
470 }
a61af66fc99e Initial load
duke
parents:
diff changeset
471 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
472 }
a61af66fc99e Initial load
duke
parents:
diff changeset
473
a61af66fc99e Initial load
duke
parents:
diff changeset
474
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
475 bool Method::compute_has_loops_flag() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
476 BytecodeStream bcs(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
477 Bytecodes::Code bc;
a61af66fc99e Initial load
duke
parents:
diff changeset
478
a61af66fc99e Initial load
duke
parents:
diff changeset
479 while ((bc = bcs.next()) >= 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
480 switch( bc ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
481 case Bytecodes::_ifeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
482 case Bytecodes::_ifnull:
a61af66fc99e Initial load
duke
parents:
diff changeset
483 case Bytecodes::_iflt:
a61af66fc99e Initial load
duke
parents:
diff changeset
484 case Bytecodes::_ifle:
a61af66fc99e Initial load
duke
parents:
diff changeset
485 case Bytecodes::_ifne:
a61af66fc99e Initial load
duke
parents:
diff changeset
486 case Bytecodes::_ifnonnull:
a61af66fc99e Initial load
duke
parents:
diff changeset
487 case Bytecodes::_ifgt:
a61af66fc99e Initial load
duke
parents:
diff changeset
488 case Bytecodes::_ifge:
a61af66fc99e Initial load
duke
parents:
diff changeset
489 case Bytecodes::_if_icmpeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
490 case Bytecodes::_if_icmpne:
a61af66fc99e Initial load
duke
parents:
diff changeset
491 case Bytecodes::_if_icmplt:
a61af66fc99e Initial load
duke
parents:
diff changeset
492 case Bytecodes::_if_icmpgt:
a61af66fc99e Initial load
duke
parents:
diff changeset
493 case Bytecodes::_if_icmple:
a61af66fc99e Initial load
duke
parents:
diff changeset
494 case Bytecodes::_if_icmpge:
a61af66fc99e Initial load
duke
parents:
diff changeset
495 case Bytecodes::_if_acmpeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
496 case Bytecodes::_if_acmpne:
a61af66fc99e Initial load
duke
parents:
diff changeset
497 case Bytecodes::_goto:
a61af66fc99e Initial load
duke
parents:
diff changeset
498 case Bytecodes::_jsr:
a61af66fc99e Initial load
duke
parents:
diff changeset
499 if( bcs.dest() < bcs.next_bci() ) _access_flags.set_has_loops();
a61af66fc99e Initial load
duke
parents:
diff changeset
500 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
501
a61af66fc99e Initial load
duke
parents:
diff changeset
502 case Bytecodes::_goto_w:
a61af66fc99e Initial load
duke
parents:
diff changeset
503 case Bytecodes::_jsr_w:
a61af66fc99e Initial load
duke
parents:
diff changeset
504 if( bcs.dest_w() < bcs.next_bci() ) _access_flags.set_has_loops();
a61af66fc99e Initial load
duke
parents:
diff changeset
505 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
506 }
a61af66fc99e Initial load
duke
parents:
diff changeset
507 }
a61af66fc99e Initial load
duke
parents:
diff changeset
508 _access_flags.set_loops_flag_init();
a61af66fc99e Initial load
duke
parents:
diff changeset
509 return _access_flags.has_loops();
a61af66fc99e Initial load
duke
parents:
diff changeset
510 }
a61af66fc99e Initial load
duke
parents:
diff changeset
511
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
512 bool Method::is_final_method(AccessFlags class_access_flags) const {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
513 // or "does_not_require_vtable_entry"
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
514 // default method or overpass can occur, is not final (reuses vtable entry)
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
515 // private methods get vtable entries for backward class compatibility.
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
516 if (is_overpass() || is_default_method()) return false;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
517 return is_final() || class_access_flags.is_final();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
518 }
a61af66fc99e Initial load
duke
parents:
diff changeset
519
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
520 bool Method::is_final_method() const {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
521 return is_final_method(method_holder()->access_flags());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
522 }
a61af66fc99e Initial load
duke
parents:
diff changeset
523
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
524 bool Method::is_default_method() const {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
525 if (method_holder() != NULL &&
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
526 method_holder()->is_interface() &&
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
527 !is_abstract()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
528 return true;
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
529 } else {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
530 return false;
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
531 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
532 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
533
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
534 bool Method::can_be_statically_bound(AccessFlags class_access_flags) const {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
535 if (is_final_method(class_access_flags)) return true;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
536 #ifdef ASSERT
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
537 ResourceMark rm;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
538 bool is_nonv = (vtable_index() == nonvirtual_vtable_index);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
539 if (class_access_flags.is_interface()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
540 assert(is_nonv == is_static(), err_msg("is_nonv=%s", name_and_sig_as_C_string()));
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
541 }
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
542 #endif
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
543 assert(valid_vtable_index() || valid_itable_index(), "method must be linked before we ask this question");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
544 return vtable_index() == nonvirtual_vtable_index;
a61af66fc99e Initial load
duke
parents:
diff changeset
545 }
a61af66fc99e Initial load
duke
parents:
diff changeset
546
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
547 bool Method::can_be_statically_bound() const {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
548 return can_be_statically_bound(method_holder()->access_flags());
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
549 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
550
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
551 bool Method::is_accessor() const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
552 if (code_size() != 5) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
553 if (size_of_parameters() != 1) return false;
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 2021
diff changeset
554 if (java_code_at(0) != Bytecodes::_aload_0 ) return false;
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 2021
diff changeset
555 if (java_code_at(1) != Bytecodes::_getfield) return false;
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 2021
diff changeset
556 if (java_code_at(4) != Bytecodes::_areturn &&
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 2021
diff changeset
557 java_code_at(4) != Bytecodes::_ireturn ) return false;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
558 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
559 }
a61af66fc99e Initial load
duke
parents:
diff changeset
560
a61af66fc99e Initial load
duke
parents:
diff changeset
561
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
562 bool Method::is_initializer() const {
2334
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
563 return name() == vmSymbols::object_initializer_name() || is_static_initializer();
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
564 }
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
565
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
566 bool Method::has_valid_initializer_flags() const {
2334
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
567 return (is_static() ||
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6935
diff changeset
568 method_holder()->major_version() < 51);
2334
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
569 }
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
570
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
571 bool Method::is_static_initializer() const {
2334
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
572 // For classfiles version 51 or greater, ensure that the clinit method is
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
573 // static. Non-static methods with the name "<clinit>" are not static
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
574 // initializers. (older classfiles exempted for backward compatibility)
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
575 return name() == vmSymbols::class_initializer_name() &&
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 2264
diff changeset
576 has_valid_initializer_flags();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
577 }
a61af66fc99e Initial load
duke
parents:
diff changeset
578
a61af66fc99e Initial load
duke
parents:
diff changeset
579
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
580 objArrayHandle Method::resolved_checked_exceptions_impl(Method* this_oop, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
581 int length = this_oop->checked_exceptions_length();
a61af66fc99e Initial load
duke
parents:
diff changeset
582 if (length == 0) { // common case
a61af66fc99e Initial load
duke
parents:
diff changeset
583 return objArrayHandle(THREAD, Universe::the_empty_class_klass_array());
a61af66fc99e Initial load
duke
parents:
diff changeset
584 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
585 methodHandle h_this(THREAD, this_oop);
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1039
diff changeset
586 objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::Class_klass(), length, CHECK_(objArrayHandle()));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
587 objArrayHandle mirrors (THREAD, m_oop);
a61af66fc99e Initial load
duke
parents:
diff changeset
588 for (int i = 0; i < length; i++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
589 CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
590 Klass* k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle()));
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
591 assert(k->is_subclass_of(SystemDictionary::Throwable_klass()), "invalid exception class");
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
592 mirrors->obj_at_put(i, k->java_mirror());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
593 }
a61af66fc99e Initial load
duke
parents:
diff changeset
594 return mirrors;
a61af66fc99e Initial load
duke
parents:
diff changeset
595 }
a61af66fc99e Initial load
duke
parents:
diff changeset
596 };
a61af66fc99e Initial load
duke
parents:
diff changeset
597
a61af66fc99e Initial load
duke
parents:
diff changeset
598
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
599 int Method::line_number_from_bci(int bci) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
600 if (bci == SynchronizationEntryBCI) bci = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
601 assert(bci == 0 || 0 <= bci && bci < code_size(), "illegal bci");
a61af66fc99e Initial load
duke
parents:
diff changeset
602 int best_bci = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
603 int best_line = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
604
a61af66fc99e Initial load
duke
parents:
diff changeset
605 if (has_linenumber_table()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
606 // The line numbers are a short array of 2-tuples [start_pc, line_number].
a61af66fc99e Initial load
duke
parents:
diff changeset
607 // Not necessarily sorted and not necessarily one-to-one.
a61af66fc99e Initial load
duke
parents:
diff changeset
608 CompressedLineNumberReadStream stream(compressed_linenumber_table());
a61af66fc99e Initial load
duke
parents:
diff changeset
609 while (stream.read_pair()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
610 if (stream.bci() == bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
611 // perfect match
a61af66fc99e Initial load
duke
parents:
diff changeset
612 return stream.line();
a61af66fc99e Initial load
duke
parents:
diff changeset
613 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
614 // update best_bci/line
a61af66fc99e Initial load
duke
parents:
diff changeset
615 if (stream.bci() < bci && stream.bci() >= best_bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
616 best_bci = stream.bci();
a61af66fc99e Initial load
duke
parents:
diff changeset
617 best_line = stream.line();
a61af66fc99e Initial load
duke
parents:
diff changeset
618 }
a61af66fc99e Initial load
duke
parents:
diff changeset
619 }
a61af66fc99e Initial load
duke
parents:
diff changeset
620 }
a61af66fc99e Initial load
duke
parents:
diff changeset
621 }
a61af66fc99e Initial load
duke
parents:
diff changeset
622 return best_line;
a61af66fc99e Initial load
duke
parents:
diff changeset
623 }
a61af66fc99e Initial load
duke
parents:
diff changeset
624
a61af66fc99e Initial load
duke
parents:
diff changeset
625
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
626 bool Method::is_klass_loaded_by_klass_index(int klass_index) const {
6123
2fe087c3e814 7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents: 4873
diff changeset
627 if( constants()->tag_at(klass_index).is_unresolved_klass() ) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
628 Thread *thread = Thread::current();
6123
2fe087c3e814 7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents: 4873
diff changeset
629 Symbol* klass_name = constants()->klass_name_at(klass_index);
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6935
diff changeset
630 Handle loader(thread, method_holder()->class_loader());
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
631 Handle prot (thread, method_holder()->protection_domain());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
632 return SystemDictionary::find(klass_name, loader, prot, thread) != NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
633 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
634 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
635 }
a61af66fc99e Initial load
duke
parents:
diff changeset
636 }
a61af66fc99e Initial load
duke
parents:
diff changeset
637
a61af66fc99e Initial load
duke
parents:
diff changeset
638
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
639 bool Method::is_klass_loaded(int refinfo_index, bool must_be_resolved) const {
6123
2fe087c3e814 7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents: 4873
diff changeset
640 int klass_index = constants()->klass_ref_index_at(refinfo_index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
641 if (must_be_resolved) {
a61af66fc99e Initial load
duke
parents:
diff changeset
642 // Make sure klass is resolved in constantpool.
a61af66fc99e Initial load
duke
parents:
diff changeset
643 if (constants()->tag_at(klass_index).is_unresolved_klass()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
644 }
a61af66fc99e Initial load
duke
parents:
diff changeset
645 return is_klass_loaded_by_klass_index(klass_index);
a61af66fc99e Initial load
duke
parents:
diff changeset
646 }
a61af66fc99e Initial load
duke
parents:
diff changeset
647
a61af66fc99e Initial load
duke
parents:
diff changeset
648
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
649 void Method::set_native_function(address function, bool post_event_flag) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
650 assert(function != NULL, "use clear_native_function to unregister natives");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
651 assert(!is_method_handle_intrinsic() || function == SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), "");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
652 address* native_function = native_function_addr();
a61af66fc99e Initial load
duke
parents:
diff changeset
653
a61af66fc99e Initial load
duke
parents:
diff changeset
654 // We can see racers trying to place the same native function into place. Once
a61af66fc99e Initial load
duke
parents:
diff changeset
655 // is plenty.
a61af66fc99e Initial load
duke
parents:
diff changeset
656 address current = *native_function;
a61af66fc99e Initial load
duke
parents:
diff changeset
657 if (current == function) return;
a61af66fc99e Initial load
duke
parents:
diff changeset
658 if (post_event_flag && JvmtiExport::should_post_native_method_bind() &&
a61af66fc99e Initial load
duke
parents:
diff changeset
659 function != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
660 // native_method_throw_unsatisfied_link_error_entry() should only
a61af66fc99e Initial load
duke
parents:
diff changeset
661 // be passed when post_event_flag is false.
a61af66fc99e Initial load
duke
parents:
diff changeset
662 assert(function !=
a61af66fc99e Initial load
duke
parents:
diff changeset
663 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(),
a61af66fc99e Initial load
duke
parents:
diff changeset
664 "post_event_flag mis-match");
a61af66fc99e Initial load
duke
parents:
diff changeset
665
a61af66fc99e Initial load
duke
parents:
diff changeset
666 // post the bind event, and possible change the bind function
a61af66fc99e Initial load
duke
parents:
diff changeset
667 JvmtiExport::post_native_method_bind(this, &function);
a61af66fc99e Initial load
duke
parents:
diff changeset
668 }
a61af66fc99e Initial load
duke
parents:
diff changeset
669 *native_function = function;
a61af66fc99e Initial load
duke
parents:
diff changeset
670 // This function can be called more than once. We must make sure that we always
a61af66fc99e Initial load
duke
parents:
diff changeset
671 // use the latest registered method -> check if a stub already has been generated.
a61af66fc99e Initial load
duke
parents:
diff changeset
672 // If so, we have to make it not_entrant.
a61af66fc99e Initial load
duke
parents:
diff changeset
673 nmethod* nm = code(); // Put it into local variable to guard against concurrent updates
a61af66fc99e Initial load
duke
parents:
diff changeset
674 if (nm != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
675 nm->make_not_entrant();
a61af66fc99e Initial load
duke
parents:
diff changeset
676 }
a61af66fc99e Initial load
duke
parents:
diff changeset
677 }
a61af66fc99e Initial load
duke
parents:
diff changeset
678
a61af66fc99e Initial load
duke
parents:
diff changeset
679
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
680 bool Method::has_native_function() const {
6267
977007096840 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 6266
diff changeset
681 if (is_method_handle_intrinsic())
977007096840 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 6266
diff changeset
682 return false; // special-cased in SharedRuntime::generate_native_wrapper
0
a61af66fc99e Initial load
duke
parents:
diff changeset
683 address func = native_function();
a61af66fc99e Initial load
duke
parents:
diff changeset
684 return (func != NULL && func != SharedRuntime::native_method_throw_unsatisfied_link_error_entry());
a61af66fc99e Initial load
duke
parents:
diff changeset
685 }
a61af66fc99e Initial load
duke
parents:
diff changeset
686
a61af66fc99e Initial load
duke
parents:
diff changeset
687
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
688 void Method::clear_native_function() {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
689 // Note: is_method_handle_intrinsic() is allowed here.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
690 set_native_function(
a61af66fc99e Initial load
duke
parents:
diff changeset
691 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(),
a61af66fc99e Initial load
duke
parents:
diff changeset
692 !native_bind_event_is_interesting);
a61af66fc99e Initial load
duke
parents:
diff changeset
693 clear_code();
a61af66fc99e Initial load
duke
parents:
diff changeset
694 }
a61af66fc99e Initial load
duke
parents:
diff changeset
695
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
696 address Method::critical_native_function() {
4873
0382d2b469b2 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 3929
diff changeset
697 methodHandle mh(this);
0382d2b469b2 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 3929
diff changeset
698 return NativeLookup::lookup_critical_entry(mh);
0382d2b469b2 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 3929
diff changeset
699 }
0382d2b469b2 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 3929
diff changeset
700
0
a61af66fc99e Initial load
duke
parents:
diff changeset
701
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
702 void Method::set_signature_handler(address handler) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
703 address* signature_handler = signature_handler_addr();
a61af66fc99e Initial load
duke
parents:
diff changeset
704 *signature_handler = handler;
a61af66fc99e Initial load
duke
parents:
diff changeset
705 }
a61af66fc99e Initial load
duke
parents:
diff changeset
706
a61af66fc99e Initial load
duke
parents:
diff changeset
707
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
708 void Method::print_made_not_compilable(int comp_level, bool is_osr, bool report, const char* reason) {
1208
cef333a48af6 6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
kvn
parents: 1206
diff changeset
709 if (PrintCompilation && report) {
1206
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1202
diff changeset
710 ttyLocker ttyl;
6800
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
711 tty->print("made not %scompilable on ", is_osr ? "OSR " : "");
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
712 if (comp_level == CompLevel_all) {
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
713 tty->print("all levels ");
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
714 } else {
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
715 tty->print("levels ");
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
716 for (int i = (int)CompLevel_none; i <= comp_level; i++) {
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
717 tty->print("%d ", i);
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
718 }
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
719 }
1206
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1202
diff changeset
720 this->print_short_name(tty);
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1202
diff changeset
721 int size = this->code_size();
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
722 if (size > 0) {
1206
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1202
diff changeset
723 tty->print(" (%d bytes)", size);
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
724 }
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
725 if (reason != NULL) {
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
726 tty->print(" %s", reason);
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
727 }
1206
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1202
diff changeset
728 tty->cr();
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1202
diff changeset
729 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
730 if ((TraceDeoptimization || LogCompilation) && (xtty != NULL)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
731 ttyLocker ttyl;
20470
bc4ce33c0985 8049529: LogCompilation: annotate make_not_compilable with compilation level
vlivanov
parents: 20457
diff changeset
732 xtty->begin_elem("make_not_compilable thread='" UINTX_FORMAT "' osr='%d' level='%d'",
bc4ce33c0985 8049529: LogCompilation: annotate make_not_compilable with compilation level
vlivanov
parents: 20457
diff changeset
733 os::current_thread_id(), is_osr, comp_level);
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
734 if (reason != NULL) {
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
735 xtty->print(" reason=\'%s\'", reason);
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
736 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
737 xtty->method(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
738 xtty->stamp();
a61af66fc99e Initial load
duke
parents:
diff changeset
739 xtty->end_elem();
a61af66fc99e Initial load
duke
parents:
diff changeset
740 }
6800
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
741 }
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
742
12170
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
743 bool Method::is_always_compilable() const {
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
744 // Generated adapters must be compiled
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
745 if (is_method_handle_intrinsic() && is_synthetic()) {
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
746 assert(!is_not_c1_compilable(), "sanity check");
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
747 assert(!is_not_c2_compilable(), "sanity check");
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
748 return true;
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
749 }
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
750
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
751 return false;
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
752 }
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
753
6800
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
754 bool Method::is_not_compilable(int comp_level) const {
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
755 if (number_of_breakpoints() > 0)
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
756 return true;
12170
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
757 if (is_always_compilable())
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
758 return false;
6800
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
759 if (comp_level == CompLevel_any)
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
760 return is_not_c1_compilable() || is_not_c2_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
761 if (is_c1_compile(comp_level))
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
762 return is_not_c1_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
763 if (is_c2_compile(comp_level))
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
764 return is_not_c2_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
765 return false;
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
766 }
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
767
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
768 // call this when compiler finds that this method is not compilable
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
769 void Method::set_not_compilable(int comp_level, bool report, const char* reason) {
12170
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
770 if (is_always_compilable()) {
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
771 // Don't mark a method which should be always compilable
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
772 return;
8947af8a9cec 8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents: 12076
diff changeset
773 }
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
774 print_made_not_compilable(comp_level, /*is_osr*/ false, report, reason);
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
775 if (comp_level == CompLevel_all) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
776 set_not_c1_compilable();
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
777 set_not_c2_compilable();
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
778 } else {
6800
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
779 if (is_c1_compile(comp_level))
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
780 set_not_c1_compilable();
6800
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
781 if (is_c2_compile(comp_level))
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
782 set_not_c2_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
783 }
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
784 CompilationPolicy::policy()->disable_compilation(this);
12073
f99558245e5c 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 11159
diff changeset
785 assert(!CompilationPolicy::can_be_compiled(this, comp_level), "sanity check");
6800
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
786 }
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
787
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
788 bool Method::is_not_osr_compilable(int comp_level) const {
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
789 if (is_not_compilable(comp_level))
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
790 return true;
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
791 if (comp_level == CompLevel_any)
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
792 return is_not_c1_osr_compilable() || is_not_c2_osr_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
793 if (is_c1_compile(comp_level))
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
794 return is_not_c1_osr_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
795 if (is_c2_compile(comp_level))
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
796 return is_not_c2_osr_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
797 return false;
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
798 }
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
799
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
800 void Method::set_not_osr_compilable(int comp_level, bool report, const char* reason) {
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7470
diff changeset
801 print_made_not_compilable(comp_level, /*is_osr*/ true, report, reason);
6800
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
802 if (comp_level == CompLevel_all) {
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
803 set_not_c1_osr_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
804 set_not_c2_osr_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
805 } else {
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
806 if (is_c1_compile(comp_level))
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
807 set_not_c1_osr_compilable();
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
808 if (is_c2_compile(comp_level))
9191895df19d 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 6791
diff changeset
809 set_not_c2_osr_compilable();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
810 }
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
811 CompilationPolicy::policy()->disable_compilation(this);
12073
f99558245e5c 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 11159
diff changeset
812 assert(!CompilationPolicy::can_be_osr_compiled(this, comp_level), "sanity check");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
813 }
a61af66fc99e Initial load
duke
parents:
diff changeset
814
a61af66fc99e Initial load
duke
parents:
diff changeset
815 // Revert to using the interpreter and clear out the nmethod
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
816 void Method::clear_code() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
817
a61af66fc99e Initial load
duke
parents:
diff changeset
818 // this may be NULL if c2i adapters have not been made yet
a61af66fc99e Initial load
duke
parents:
diff changeset
819 // Only should happen at allocate time.
a61af66fc99e Initial load
duke
parents:
diff changeset
820 if (_adapter == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
821 _from_compiled_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
822 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
823 _from_compiled_entry = _adapter->get_c2i_entry();
a61af66fc99e Initial load
duke
parents:
diff changeset
824 }
a61af66fc99e Initial load
duke
parents:
diff changeset
825 OrderAccess::storestore();
a61af66fc99e Initial load
duke
parents:
diff changeset
826 _from_interpreted_entry = _i2i_entry;
a61af66fc99e Initial load
duke
parents:
diff changeset
827 OrderAccess::storestore();
a61af66fc99e Initial load
duke
parents:
diff changeset
828 _code = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
829 }
a61af66fc99e Initial load
duke
parents:
diff changeset
830
a61af66fc99e Initial load
duke
parents:
diff changeset
831 // Called by class data sharing to remove any entry points (which are not shared)
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
832 void Method::unlink_method() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
833 _code = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
834 _i2i_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
835 _from_interpreted_entry = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
836 if (is_native()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
837 *native_function_addr() = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
838 set_signature_handler(NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
839 }
a61af66fc99e Initial load
duke
parents:
diff changeset
840 NOT_PRODUCT(set_compiled_invocation_count(0);)
a61af66fc99e Initial load
duke
parents:
diff changeset
841 _adapter = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
842 _from_compiled_entry = NULL;
8751
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
843
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
844 // In case of DumpSharedSpaces, _method_data should always be NULL.
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
845 //
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
846 // During runtime (!DumpSharedSpaces), when we are cleaning a
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
847 // shared class that failed to load, this->link_method() may
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
848 // have already been called (before an exception happened), so
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
849 // this->_method_data may not be NULL.
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
850 assert(!DumpSharedSpaces || _method_data == NULL, "unexpected method data?");
1fc4d4768b90 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 8715
diff changeset
851
0
a61af66fc99e Initial load
duke
parents:
diff changeset
852 set_method_data(NULL);
20489
966205f0e717 8058564: Tiered compilation performance drop in PIT
iveresov
parents: 20470
diff changeset
853 clear_method_counters();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
854 }
a61af66fc99e Initial load
duke
parents:
diff changeset
855
a61af66fc99e Initial load
duke
parents:
diff changeset
856 // Called when the method_holder is getting linked. Setup entrypoints so the method
a61af66fc99e Initial load
duke
parents:
diff changeset
857 // is ready to be called from interpreter, compiler, and vtables.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
858 void Method::link_method(methodHandle h_method, TRAPS) {
3748
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 2478
diff changeset
859 // If the code cache is full, we may reenter this function for the
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 2478
diff changeset
860 // leftover methods that weren't linked.
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 2478
diff changeset
861 if (_i2i_entry != NULL) return;
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 2478
diff changeset
862
0
a61af66fc99e Initial load
duke
parents:
diff changeset
863 assert(_adapter == NULL, "init'd to NULL" );
a61af66fc99e Initial load
duke
parents:
diff changeset
864 assert( _code == NULL, "nothing compiled yet" );
a61af66fc99e Initial load
duke
parents:
diff changeset
865
a61af66fc99e Initial load
duke
parents:
diff changeset
866 // Setup interpreter entrypoint
a61af66fc99e Initial load
duke
parents:
diff changeset
867 assert(this == h_method(), "wrong h_method()" );
a61af66fc99e Initial load
duke
parents:
diff changeset
868 address entry = Interpreter::entry_for_method(h_method);
a61af66fc99e Initial load
duke
parents:
diff changeset
869 assert(entry != NULL, "interpreter entry must be non-null");
a61af66fc99e Initial load
duke
parents:
diff changeset
870 // Sets both _i2i_entry and _from_interpreted_entry
a61af66fc99e Initial load
duke
parents:
diff changeset
871 set_interpreter_entry(entry);
10276
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10206
diff changeset
872
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10206
diff changeset
873 // Don't overwrite already registered native entries.
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10206
diff changeset
874 if (is_native() && !has_native_function()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
875 set_native_function(
a61af66fc99e Initial load
duke
parents:
diff changeset
876 SharedRuntime::native_method_throw_unsatisfied_link_error_entry(),
a61af66fc99e Initial load
duke
parents:
diff changeset
877 !native_bind_event_is_interesting);
a61af66fc99e Initial load
duke
parents:
diff changeset
878 }
a61af66fc99e Initial load
duke
parents:
diff changeset
879
a61af66fc99e Initial load
duke
parents:
diff changeset
880 // Setup compiler entrypoint. This is made eagerly, so we do not need
a61af66fc99e Initial load
duke
parents:
diff changeset
881 // special handling of vtables. An alternative is to make adapters more
a61af66fc99e Initial load
duke
parents:
diff changeset
882 // lazily by calling make_adapter() from from_compiled_entry() for the
a61af66fc99e Initial load
duke
parents:
diff changeset
883 // normal calls. For vtable calls life gets more complicated. When a
a61af66fc99e Initial load
duke
parents:
diff changeset
884 // call-site goes mega-morphic we need adapters in all methods which can be
a61af66fc99e Initial load
duke
parents:
diff changeset
885 // called from the vtable. We need adapters on such methods that get loaded
a61af66fc99e Initial load
duke
parents:
diff changeset
886 // later. Ditto for mega-morphic itable calls. If this proves to be a
a61af66fc99e Initial load
duke
parents:
diff changeset
887 // problem we'll make these lazily later.
3749
9dd6c4ba364f 7049928: VM crashes with "assert(_adapter != NULL) failed: must have" at methodOop.cpp:63
coleenp
parents: 3748
diff changeset
888 (void) make_adapters(h_method, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
889
a61af66fc99e Initial load
duke
parents:
diff changeset
890 // ONLY USE the h_method now as make_adapter may have blocked
a61af66fc99e Initial load
duke
parents:
diff changeset
891
a61af66fc99e Initial load
duke
parents:
diff changeset
892 }
a61af66fc99e Initial load
duke
parents:
diff changeset
893
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
894 address Method::make_adapters(methodHandle mh, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
895 // Adapters for compiled code are made eagerly here. They are fairly
a61af66fc99e Initial load
duke
parents:
diff changeset
896 // small (generally < 100 bytes) and quick to make (and cached and shared)
a61af66fc99e Initial load
duke
parents:
diff changeset
897 // so making them eagerly shouldn't be too expensive.
a61af66fc99e Initial load
duke
parents:
diff changeset
898 AdapterHandlerEntry* adapter = AdapterHandlerLibrary::get_adapter(mh);
a61af66fc99e Initial load
duke
parents:
diff changeset
899 if (adapter == NULL ) {
1187
cf0685d550f1 6911204: generated adapters with large signatures can fill up the code cache
never
parents: 1152
diff changeset
900 THROW_MSG_NULL(vmSymbols::java_lang_VirtualMachineError(), "out of space in CodeCache for adapters");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
901 }
a61af66fc99e Initial load
duke
parents:
diff changeset
902
a61af66fc99e Initial load
duke
parents:
diff changeset
903 mh->set_adapter_entry(adapter);
a61af66fc99e Initial load
duke
parents:
diff changeset
904 mh->_from_compiled_entry = adapter->get_c2i_entry();
a61af66fc99e Initial load
duke
parents:
diff changeset
905 return adapter->get_c2i_entry();
a61af66fc99e Initial load
duke
parents:
diff changeset
906 }
a61af66fc99e Initial load
duke
parents:
diff changeset
907
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
908 void Method::restore_unshareable_info(TRAPS) {
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
909 // Since restore_unshareable_info can be called more than once for a method, don't
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
910 // redo any work. If this field is restored, there is nothing to do.
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
911 if (_from_compiled_entry == NULL) {
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
912 // restore method's vtable by calling a virtual function
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
913 restore_vtable();
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
914
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
915 methodHandle mh(THREAD, this);
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
916 link_method(mh, CHECK);
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
917 }
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
918 }
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
919
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 17780
diff changeset
920
0
a61af66fc99e Initial load
duke
parents:
diff changeset
921 // The verified_code_entry() must be called when a invoke is resolved
a61af66fc99e Initial load
duke
parents:
diff changeset
922 // on this method.
a61af66fc99e Initial load
duke
parents:
diff changeset
923
a61af66fc99e Initial load
duke
parents:
diff changeset
924 // It returns the compiled code entry point, after asserting not null.
a61af66fc99e Initial load
duke
parents:
diff changeset
925 // This function is called after potential safepoints so that nmethod
a61af66fc99e Initial load
duke
parents:
diff changeset
926 // or adapter that it points to is still live and valid.
a61af66fc99e Initial load
duke
parents:
diff changeset
927 // This function must not hit a safepoint!
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
928 address Method::verified_code_entry() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
929 debug_only(No_Safepoint_Verifier nsv;)
a61af66fc99e Initial load
duke
parents:
diff changeset
930 assert(_from_compiled_entry != NULL, "must be set");
a61af66fc99e Initial load
duke
parents:
diff changeset
931 return _from_compiled_entry;
a61af66fc99e Initial load
duke
parents:
diff changeset
932 }
a61af66fc99e Initial load
duke
parents:
diff changeset
933
a61af66fc99e Initial load
duke
parents:
diff changeset
934 // Check that if an nmethod ref exists, it has a backlink to this or no backlink at all
a61af66fc99e Initial load
duke
parents:
diff changeset
935 // (could be racing a deopt).
a61af66fc99e Initial load
duke
parents:
diff changeset
936 // Not inline to avoid circular ref.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
937 bool Method::check_code() const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
938 // cached in a register or local. There's a race on the value of the field.
a61af66fc99e Initial load
duke
parents:
diff changeset
939 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
940 return code == NULL || (code->method() == NULL) || (code->method() == (Method*)this && !code->is_osr_method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
941 }
a61af66fc99e Initial load
duke
parents:
diff changeset
942
a61af66fc99e Initial load
duke
parents:
diff changeset
943 // Install compiled code. Instantly it can execute.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
944 void Method::set_code(methodHandle mh, nmethod *code) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
945 assert( code, "use clear_code to remove code" );
a61af66fc99e Initial load
duke
parents:
diff changeset
946 assert( mh->check_code(), "" );
a61af66fc99e Initial load
duke
parents:
diff changeset
947
a61af66fc99e Initial load
duke
parents:
diff changeset
948 guarantee(mh->adapter() != NULL, "Adapter blob must already exist!");
a61af66fc99e Initial load
duke
parents:
diff changeset
949
a61af66fc99e Initial load
duke
parents:
diff changeset
950 // These writes must happen in this order, because the interpreter will
a61af66fc99e Initial load
duke
parents:
diff changeset
951 // directly jump to from_interpreted_entry which jumps to an i2c adapter
a61af66fc99e Initial load
duke
parents:
diff changeset
952 // which jumps to _from_compiled_entry.
a61af66fc99e Initial load
duke
parents:
diff changeset
953 mh->_code = code; // Assign before allowing compiled code to exec
a61af66fc99e Initial load
duke
parents:
diff changeset
954
a61af66fc99e Initial load
duke
parents:
diff changeset
955 int comp_level = code->comp_level();
a61af66fc99e Initial load
duke
parents:
diff changeset
956 // In theory there could be a race here. In practice it is unlikely
a61af66fc99e Initial load
duke
parents:
diff changeset
957 // and not worth worrying about.
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
958 if (comp_level > mh->highest_comp_level()) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
959 mh->set_highest_comp_level(comp_level);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
960 }
a61af66fc99e Initial load
duke
parents:
diff changeset
961
a61af66fc99e Initial load
duke
parents:
diff changeset
962 OrderAccess::storestore();
1692
d2ede61b7a12 6976186: integrate Shark HotSpot changes
twisti
parents: 1662
diff changeset
963 #ifdef SHARK
1845
a222fcfba398 6990549: Zero and Shark fixes after 6978355 and 6953144
twisti
parents: 1793
diff changeset
964 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
965 #else //!SHARK
0
a61af66fc99e Initial load
duke
parents:
diff changeset
966 mh->_from_compiled_entry = code->verified_entry_point();
a61af66fc99e Initial load
duke
parents:
diff changeset
967 OrderAccess::storestore();
a61af66fc99e Initial load
duke
parents:
diff changeset
968 // 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
969 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
970 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
971 #endif //!SHARK
0
a61af66fc99e Initial load
duke
parents:
diff changeset
972 }
a61af66fc99e Initial load
duke
parents:
diff changeset
973
a61af66fc99e Initial load
duke
parents:
diff changeset
974
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
975 bool Method::is_overridden_in(Klass* k) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
976 InstanceKlass* ik = InstanceKlass::cast(k);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
977
a61af66fc99e Initial load
duke
parents:
diff changeset
978 if (ik->is_interface()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
979
a61af66fc99e Initial load
duke
parents:
diff changeset
980 // If method is an interface, we skip it - except if it
a61af66fc99e Initial load
duke
parents:
diff changeset
981 // 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
982 if (method_holder()->is_interface()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
983 // Check that method is not a miranda method
a61af66fc99e Initial load
duke
parents:
diff changeset
984 if (ik->lookup_method(name(), signature()) == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
985 // No implementation exist - so miranda method
a61af66fc99e Initial load
duke
parents:
diff changeset
986 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
987 }
a61af66fc99e Initial load
duke
parents:
diff changeset
988 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
989 }
a61af66fc99e Initial load
duke
parents:
diff changeset
990
a61af66fc99e Initial load
duke
parents:
diff changeset
991 assert(ik->is_subclass_of(method_holder()), "should be subklass");
a61af66fc99e Initial load
duke
parents:
diff changeset
992 assert(ik->vtable() != NULL, "vtable should exist");
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
993 if (!has_vtable_index()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
994 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
995 } else {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
996 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
997 return vt_m != this;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
998 }
a61af66fc99e Initial load
duke
parents:
diff changeset
999 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1000
a61af66fc99e Initial load
duke
parents:
diff changeset
1001
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1002 // 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
1003 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
1004 if (is_old()) {
d8b3ef7ee3e5 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 0
diff changeset
1005 // 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
1006 // 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
1007 // 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
1008 // finishes executing.
d8b3ef7ee3e5 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 0
diff changeset
1009 return true;
d8b3ef7ee3e5 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 0
diff changeset
1010 }
d8b3ef7ee3e5 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 0
diff changeset
1011
d8b3ef7ee3e5 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 0
diff changeset
1012 // 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
1013 return false;
d8b3ef7ee3e5 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 0
diff changeset
1014 }
d8b3ef7ee3e5 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 0
diff changeset
1015
8866
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1016
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1017 /**
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1018 * Returns true if this is one of the specially treated methods for
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1019 * security related stack walks (like Reflection.getCallerClass).
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1020 */
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1021 bool Method::is_ignored_by_security_stack_walk() const {
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1022 const bool use_new_reflection = JDK_Version::is_gte_jdk14x_version() && UseNewReflection;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1023
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1024 if (intrinsic_id() == vmIntrinsics::_invoke) {
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1025 // This is Method.invoke() -- ignore it
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1026 return true;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1027 }
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1028 if (use_new_reflection &&
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1029 method_holder()->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass())) {
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1030 // This is an auxilary frame -- ignore it
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1031 return true;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1032 }
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1033 if (is_method_handle_intrinsic() || is_compiled_lambda_form()) {
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1034 // This is an internal adapter frame for method handles -- ignore it
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1035 return true;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1036 }
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1037 return false;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1038 }
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1039
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1040
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1041 // Constant pool structure for invoke methods:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1042 enum {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1043 _imcp_invoke_name = 1, // utf8: 'invokeExact', etc.
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1044 _imcp_invoke_signature, // utf8: (variable Symbol*)
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1045 _imcp_limit
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1046 };
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1047
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1048 // 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
1049 // Cf. java/lang/invoke/InvokerBytecodeGenerator
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1050 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
1051 return intrinsic_id() == vmIntrinsics::_compiledLambdaForm;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1052 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1053
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1054 // 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
1055 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
1056 vmIntrinsics::ID iid = intrinsic_id();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1057 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
1058 MethodHandles::is_signature_polymorphic_intrinsic(iid));
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
1059 }
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
1060
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1061 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
1062 vmIntrinsics::ID iid = intrinsic_id();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1063 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
1064 MethodHandles::has_member_arg(iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1065 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1066
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1067 // 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
1068 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
1069 Symbol* signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1070 TRAPS) {
3891
ac8738449b6f 7082949: JSR 292: missing ResourceMark in methodOopDesc::make_invoke_method
never
parents: 3795
diff changeset
1071 ResourceMark rm;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1072 methodHandle empty;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1073
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1074 KlassHandle holder = SystemDictionary::MethodHandle_klass();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1075 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
1076 assert(iid == MethodHandles::signature_polymorphic_name_id(name), "");
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1077 if (TraceMethodHandles) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1078 tty->print_cr("make_method_handle_intrinsic MH.%s%s", name->as_C_string(), signature->as_C_string());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1079 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1080
2478
328926869b15 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents: 2460
diff changeset
1081 // 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
1082 name->increment_refcount();
328926869b15 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents: 2460
diff changeset
1083 signature->increment_refcount();
328926869b15 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents: 2460
diff changeset
1084
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1085 int cp_length = _imcp_limit;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1086 ClassLoaderData* loader_data = holder->class_loader_data();
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1087 constantPoolHandle cp;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1088 {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1089 ConstantPool* cp_oop = ConstantPool::allocate(loader_data, cp_length, CHECK_(empty));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1090 cp = constantPoolHandle(THREAD, cp_oop);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1091 }
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6935
diff changeset
1092 cp->set_pool_holder(InstanceKlass::cast(holder()));
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1093 cp->symbol_at_put(_imcp_invoke_name, name);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1094 cp->symbol_at_put(_imcp_invoke_signature, signature);
7949
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents: 7470
diff changeset
1095 cp->set_has_preresolution();
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1096
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1097 // 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
1098 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
1099 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
1100 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
1101 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
1102
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1103 methodHandle m;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1104 {
8031
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1105 InlineTableSizes sizes;
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7457
diff changeset
1106 Method* m_oop = Method::allocate(loader_data, 0,
8031
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1107 accessFlags_from(flags_bits), &sizes,
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7457
diff changeset
1108 ConstMethod::NORMAL, CHECK_(empty));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1109 m = methodHandle(THREAD, m_oop);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1110 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1111 m->set_constants(cp());
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1112 m->set_name_index(_imcp_invoke_name);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1113 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
1114 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
1115 assert(m->signature() == signature, "");
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1116 #ifdef CC_INTERP
2256
173926398291 7018673: Zero: 6953144, 6990754 and 7009756 made some changes which broke Zero
twisti
parents: 2177
diff changeset
1117 ResultTypeFinder rtf(signature);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1118 m->set_result_index(rtf.type());
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1119 #endif
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1120 m->compute_size_of_parameters(THREAD);
1793
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 1783
diff changeset
1121 m->init_intrinsic_id();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1122 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
1123 #ifdef ASSERT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1124 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
1125 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
1126 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
1127 #endif //ASSERT
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1128
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1129 // Finally, set up its entry points.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1130 assert(m->can_be_statically_bound(), "");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1131 m->set_vtable_index(Method::nonvirtual_vtable_index);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1132 m->link_method(m, CHECK_(empty));
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1133
1039
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638)
jrose
parents: 856
diff changeset
1134 if (TraceMethodHandles && (Verbose || WizardMode))
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1135 m->print_on(tty);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1136
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1137 return m;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1138 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1139
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1140 Klass* Method::check_non_bcp_klass(Klass* klass) {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1141 if (klass != NULL && klass->class_loader() != NULL) {
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1142 if (klass->oop_is_objArray())
6831
d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 6800
diff changeset
1143 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
1144 return klass;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3749
diff changeset
1145 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3749
diff changeset
1146 return NULL;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3749
diff changeset
1147 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 579
diff changeset
1148
48
d8b3ef7ee3e5 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 0
diff changeset
1149
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1150 methodHandle Method::clone_with_new_data(methodHandle m, u_char* new_code, int new_code_length,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1151 u_char* new_compressed_linenumber_table, int new_compressed_linenumber_size, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1152 // Code below does not work for native methods - they should never get rewritten anyway
a61af66fc99e Initial load
duke
parents:
diff changeset
1153 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
1154 // Allocate new Method*
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1155 AccessFlags flags = m->access_flags();
8031
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1156
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1157 ConstMethod* cm = m->constMethod();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1158 int checked_exceptions_len = cm->checked_exceptions_length();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1159 int localvariable_len = cm->localvariable_table_length();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1160 int exception_table_len = cm->exception_table_length();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1161 int method_parameters_len = cm->method_parameters_length();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1162 int method_annotations_len = cm->method_annotations_length();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1163 int parameter_annotations_len = cm->parameter_annotations_length();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1164 int type_annotations_len = cm->type_annotations_length();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1165 int default_annotations_len = cm->default_annotations_length();
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1166
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1167 InlineTableSizes sizes(
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1168 localvariable_len,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1169 new_compressed_linenumber_size,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1170 exception_table_len,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1171 checked_exceptions_len,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1172 method_parameters_len,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1173 cm->generic_signature_index(),
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1174 method_annotations_len,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1175 parameter_annotations_len,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1176 type_annotations_len,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1177 default_annotations_len,
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1178 0);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1179
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
1180 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
1181 Method* newm_oop = Method::allocate(loader_data,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
1182 new_code_length,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
1183 flags,
8031
927a311d00f9 8007320: NPG: move method annotations
coleenp
parents: 8025
diff changeset
1184 &sizes,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
1185 m->method_type(),
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6853
diff changeset
1186 CHECK_(methodHandle()));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1187 methodHandle newm (THREAD, newm_oop);
a61af66fc99e Initial load
duke
parents:
diff changeset
1188 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
1189
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1190 // 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
1191 ConstMethod* newcm = newm->constMethod();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1192 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
1193
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1194 memcpy(newm(), m(), sizeof(Method));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1195
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1196 // Create shallow copy of ConstMethod.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1197 memcpy(newcm, m->constMethod(), sizeof(ConstMethod));
2226
c5a923563727 6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents: 2177
diff changeset
1198
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1199 // Reset correct method/const method, method size, and parameter info
a61af66fc99e Initial load
duke
parents:
diff changeset
1200 newm->set_constMethod(newcm);
a61af66fc99e Initial load
duke
parents:
diff changeset
1201 newm->constMethod()->set_code_size(new_code_length);
a61af66fc99e Initial load
duke
parents:
diff changeset
1202 newm->constMethod()->set_constMethod_size(new_const_method_size);
a61af66fc99e Initial load
duke
parents:
diff changeset
1203 newm->set_method_size(new_method_size);
a61af66fc99e Initial load
duke
parents:
diff changeset
1204 assert(newm->code_size() == new_code_length, "check");
11159
16511b7e3d35 8019632: Method parameters are not copied in clone_with_new_data
emc
parents: 11034
diff changeset
1205 assert(newm->method_parameters_length() == method_parameters_len, "check");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1206 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
1207 assert(newm->exception_table_length() == exception_table_len, "check");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1208 assert(newm->localvariable_table_length() == localvariable_len, "check");
a61af66fc99e Initial load
duke
parents:
diff changeset
1209 // Copy new byte codes
a61af66fc99e Initial load
duke
parents:
diff changeset
1210 memcpy(newm->code_base(), new_code, new_code_length);
a61af66fc99e Initial load
duke
parents:
diff changeset
1211 // Copy line number table
a61af66fc99e Initial load
duke
parents:
diff changeset
1212 if (new_compressed_linenumber_size > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1213 memcpy(newm->compressed_linenumber_table(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1214 new_compressed_linenumber_table,
a61af66fc99e Initial load
duke
parents:
diff changeset
1215 new_compressed_linenumber_size);
a61af66fc99e Initial load
duke
parents:
diff changeset
1216 }
11159
16511b7e3d35 8019632: Method parameters are not copied in clone_with_new_data
emc
parents: 11034
diff changeset
1217 // Copy method_parameters
16511b7e3d35 8019632: Method parameters are not copied in clone_with_new_data
emc
parents: 11034
diff changeset
1218 if (method_parameters_len > 0) {
16511b7e3d35 8019632: Method parameters are not copied in clone_with_new_data
emc
parents: 11034
diff changeset
1219 memcpy(newm->method_parameters_start(),
16511b7e3d35 8019632: Method parameters are not copied in clone_with_new_data
emc
parents: 11034
diff changeset
1220 m->method_parameters_start(),
16511b7e3d35 8019632: Method parameters are not copied in clone_with_new_data
emc
parents: 11034
diff changeset
1221 method_parameters_len * sizeof(MethodParametersElement));
16511b7e3d35 8019632: Method parameters are not copied in clone_with_new_data
emc
parents: 11034
diff changeset
1222 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1223 // Copy checked_exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1224 if (checked_exceptions_len > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1225 memcpy(newm->checked_exceptions_start(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1226 m->checked_exceptions_start(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1227 checked_exceptions_len * sizeof(CheckedExceptionElement));
a61af66fc99e Initial load
duke
parents:
diff changeset
1228 }
6216
161ae369407d 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 6213
diff changeset
1229 // Copy exception table
161ae369407d 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 6213
diff changeset
1230 if (exception_table_len > 0) {
161ae369407d 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 6213
diff changeset
1231 memcpy(newm->exception_table_start(),
161ae369407d 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 6213
diff changeset
1232 m->exception_table_start(),
161ae369407d 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 6213
diff changeset
1233 exception_table_len * sizeof(ExceptionTableElement));
161ae369407d 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 6213
diff changeset
1234 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1235 // Copy local variable number table
a61af66fc99e Initial load
duke
parents:
diff changeset
1236 if (localvariable_len > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1237 memcpy(newm->localvariable_table_start(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1238 m->localvariable_table_start(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1239 localvariable_len * sizeof(LocalVariableTableElement));
a61af66fc99e Initial load
duke
parents:
diff changeset
1240 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1241 // Copy stackmap table
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1242 if (m->has_stackmap_table()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1243 int code_attribute_length = m->stackmap_data()->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1244 Array<u1>* stackmap_data =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1245 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
1246 memcpy((void*)stackmap_data->adr_at(0),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1247 (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
1248 newm->set_stackmap_data(stackmap_data);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1249 }
518
0af8b0718fc9 6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents: 196
diff changeset
1250
8837
0c3ee6f1fa23 8009531: Crash when redefining class with annotated method
coleenp
parents: 8751
diff changeset
1251 // copy annotations over to new method
0c3ee6f1fa23 8009531: Crash when redefining class with annotated method
coleenp
parents: 8751
diff changeset
1252 newcm->copy_annotations_from(cm);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1253 return newm;
a61af66fc99e Initial load
duke
parents:
diff changeset
1254 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1255
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1256 vmSymbols::SID Method::klass_id_for_intrinsics(Klass* holder) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1257 // if loader is not the default loader (i.e., != NULL), we can't know the intrinsics
a61af66fc99e Initial load
duke
parents:
diff changeset
1258 // because we are not loading from core libraries
6894
a3ecd773a7b9 7184394: add intrinsics to use AES instructions
kvn
parents: 6853
diff changeset
1259 // exception: the AES intrinsics come from lib/ext/sunjce_provider.jar
a3ecd773a7b9 7184394: add intrinsics to use AES instructions
kvn
parents: 6853
diff changeset
1260 // which does not use the class default class loader so we check for its loader here
8866
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1261 InstanceKlass* ik = InstanceKlass::cast(holder);
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1262 if ((ik->class_loader() != NULL) && !SystemDictionary::is_ext_class_loader(ik->class_loader())) {
856
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1263 return vmSymbols::NO_SID; // regardless of name, no intrinsics here
6894
a3ecd773a7b9 7184394: add intrinsics to use AES instructions
kvn
parents: 6853
diff changeset
1264 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1265
a61af66fc99e Initial load
duke
parents:
diff changeset
1266 // see if the klass name is well-known:
8866
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 8751
diff changeset
1267 Symbol* klass_name = ik->name();
856
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1268 return vmSymbols::find_sid(klass_name);
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1269 }
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1270
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1271 void Method::init_intrinsic_id() {
856
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1272 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
1273 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
1274 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
1275 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
1276
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1277 // the klass name is well-known:
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1278 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
1279 assert(klass_id != vmSymbols::NO_SID, "caller responsibility");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1280
a61af66fc99e Initial load
duke
parents:
diff changeset
1281 // ditto for method and signature:
a61af66fc99e Initial load
duke
parents:
diff changeset
1282 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
1283 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
1284 && name_id == vmSymbols::NO_SID)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1285 return;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1286 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
1287 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
1288 && sig_id == vmSymbols::NO_SID) return;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1289 jshort flags = access_flags().as_short();
a61af66fc99e Initial load
duke
parents:
diff changeset
1290
856
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1291 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
1292 if (id != vmIntrinsics::_none) {
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1293 set_intrinsic_id(id);
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1294 return;
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1295 }
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1296
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1297 // A few slightly irregular cases:
a61af66fc99e Initial load
duke
parents:
diff changeset
1298 switch (klass_id) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1299 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_StrictMath):
a61af66fc99e Initial load
duke
parents:
diff changeset
1300 // Second chance: check in regular Math.
a61af66fc99e Initial load
duke
parents:
diff changeset
1301 switch (name_id) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1302 case vmSymbols::VM_SYMBOL_ENUM_NAME(min_name):
a61af66fc99e Initial load
duke
parents:
diff changeset
1303 case vmSymbols::VM_SYMBOL_ENUM_NAME(max_name):
a61af66fc99e Initial load
duke
parents:
diff changeset
1304 case vmSymbols::VM_SYMBOL_ENUM_NAME(sqrt_name):
a61af66fc99e Initial load
duke
parents:
diff changeset
1305 // pretend it is the corresponding method in the non-strict class:
a61af66fc99e Initial load
duke
parents:
diff changeset
1306 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
1307 id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1308 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1309 }
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1506
diff changeset
1310 break;
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1506
diff changeset
1311
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1506
diff changeset
1312 // 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
1313 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
1314 if (!is_native()) break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1315 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
1316 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
1317 id = vmIntrinsics::_none;
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1506
diff changeset
1318 break;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1319 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1320
856
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1321 if (id != vmIntrinsics::_none) {
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1322 // 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
1323 set_intrinsic_id(id);
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1324 return;
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 726
diff changeset
1325 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1326 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1327
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1328 // 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
1329 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
1330 if (THREAD->is_Compiler_thread()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1331 // 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
1332 // 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
1333 // 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
1334 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6216
diff changeset
1335 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1336 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
1337 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
1338 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
1339 ResourceMark rm(THREAD);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1340 Symbol* signature = m->signature();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1341 for(SignatureStream ss(signature); !ss.is_done(); ss.next()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1342 if (ss.is_object()) {
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1343 Symbol* sym = ss.as_symbol(CHECK_(false));
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1344 Symbol* name = sym;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1345 Klass* klass = SystemDictionary::resolve_or_null(name, class_loader,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1346 protection_domain, THREAD);
104
541929da62d2 6624474: Server compiler generates unexpected LinkageError
rasbold
parents: 48
diff changeset
1347 // We are loading classes eagerly. If a ClassNotFoundException or
541929da62d2 6624474: Server compiler generates unexpected LinkageError
rasbold
parents: 48
diff changeset
1348 // a LinkageError was generated, be sure to ignore it.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1349 if (HAS_PENDING_EXCEPTION) {
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1039
diff changeset
1350 if (PENDING_EXCEPTION->is_a(SystemDictionary::ClassNotFoundException_klass()) ||
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1039
diff changeset
1351 PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1352 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1353 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1354 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
1355 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1356 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1357 if( klass == NULL) { sig_is_loaded = false; }
a61af66fc99e Initial load
duke
parents:
diff changeset
1358 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1359 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1360 return sig_is_loaded;
a61af66fc99e Initial load
duke
parents:
diff changeset
1361 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1362
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1363 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
1364 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
1365 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
1366 ResourceMark rm(THREAD);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1367 Symbol* signature = m->signature();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1368 for(SignatureStream ss(signature); !ss.is_done(); ss.next()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1369 if (ss.type() == T_OBJECT) {
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1370 Symbol* name = ss.as_symbol_or_null();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1371 if (name == NULL) return true;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1372 Klass* klass = SystemDictionary::find(name, class_loader, protection_domain, THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1373 if (klass == NULL) return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
1374 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1375 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1376 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
1377 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1378
a61af66fc99e Initial load
duke
parents:
diff changeset
1379 // Exposed so field engineers can debug VM
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1380 void Method::print_short_name(outputStream* st) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1381 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
1382 #ifdef PRODUCT
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1383 st->print(" %s::", method_holder()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1384 #else
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1385 st->print(" %s::", method_holder()->internal_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1386 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
1387 name()->print_symbol_on(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1388 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
1389 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
1390 MethodHandles::print_as_basic_type_signature_on(st, signature(), true);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1391 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1392
3779
04760e41b01e 7016112: CMS: crash during promotion testing
brutisso
parents: 2478
diff changeset
1393 // Comparer for sorting an object array containing
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1394 // Method*s.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1395 static int method_comparator(Method* a, Method* b) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1396 return a->name()->fast_compare(b->name());
3929
f94227b6117b 7090259: Fix hotspot sources to build with old compilers
kvn
parents: 3891
diff changeset
1397 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1398
a61af66fc99e Initial load
duke
parents:
diff changeset
1399 // This is only done during class loading, so it is OK to assume method_idnum matches the methods() array
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
1400 // default_methods also uses this without the ordering for fast find_method
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
1401 void Method::sort_methods(Array<Method*>* methods, bool idempotent, bool set_idnums) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1402 int length = methods->length();
a61af66fc99e Initial load
duke
parents:
diff changeset
1403 if (length > 1) {
3779
04760e41b01e 7016112: CMS: crash during promotion testing
brutisso
parents: 2478
diff changeset
1404 {
04760e41b01e 7016112: CMS: crash during promotion testing
brutisso
parents: 2478
diff changeset
1405 No_Safepoint_Verifier nsv;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1406 QuickSort::sort<Method*>(methods->data(), length, method_comparator, idempotent);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1407 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1408 // Reset method ordering
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
1409 if (set_idnums) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
1410 for (int i = 0; i < length; i++) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
1411 Method* m = methods->at(i);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
1412 m->set_method_idnum(i);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12324
diff changeset
1413 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1414 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1415 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1416 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1417
a61af66fc99e Initial load
duke
parents:
diff changeset
1418 //-----------------------------------------------------------------------------------
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 7956
diff changeset
1419 // Non-product code unless JVM/TI needs it
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1420
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 7956
diff changeset
1421 #if !defined(PRODUCT) || INCLUDE_JVMTI
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1422 class SignatureTypePrinter : public SignatureTypeNames {
a61af66fc99e Initial load
duke
parents:
diff changeset
1423 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
1424 outputStream* _st;
a61af66fc99e Initial load
duke
parents:
diff changeset
1425 bool _use_separator;
a61af66fc99e Initial load
duke
parents:
diff changeset
1426
a61af66fc99e Initial load
duke
parents:
diff changeset
1427 void type_name(const char* name) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1428 if (_use_separator) _st->print(", ");
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 17935
diff changeset
1429 _st->print("%s", name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1430 _use_separator = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
1431 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1432
a61af66fc99e Initial load
duke
parents:
diff changeset
1433 public:
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2142
diff changeset
1434 SignatureTypePrinter(Symbol* signature, outputStream* st) : SignatureTypeNames(signature) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1435 _st = st;
a61af66fc99e Initial load
duke
parents:
diff changeset
1436 _use_separator = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
1437 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1438
a61af66fc99e Initial load
duke
parents:
diff changeset
1439 void print_parameters() { _use_separator = false; iterate_parameters(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
1440 void print_returntype() { _use_separator = false; iterate_returntype(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
1441 };
a61af66fc99e Initial load
duke
parents:
diff changeset
1442
a61af66fc99e Initial load
duke
parents:
diff changeset
1443
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1444 void Method::print_name(outputStream* st) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1445 Thread *thread = Thread::current();
a61af66fc99e Initial load
duke
parents:
diff changeset
1446 ResourceMark rm(thread);
a61af66fc99e Initial load
duke
parents:
diff changeset
1447 SignatureTypePrinter sig(signature(), st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1448 st->print("%s ", is_static() ? "static" : "virtual");
a61af66fc99e Initial load
duke
parents:
diff changeset
1449 sig.print_returntype();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1450 st->print(" %s.", method_holder()->internal_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1451 name()->print_symbol_on(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1452 st->print("(");
a61af66fc99e Initial load
duke
parents:
diff changeset
1453 sig.print_parameters();
a61af66fc99e Initial load
duke
parents:
diff changeset
1454 st->print(")");
a61af66fc99e Initial load
duke
parents:
diff changeset
1455 }
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 7956
diff changeset
1456 #endif // !PRODUCT || INCLUDE_JVMTI
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1457
a61af66fc99e Initial load
duke
parents:
diff changeset
1458
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 7956
diff changeset
1459 //-----------------------------------------------------------------------------------
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 7956
diff changeset
1460 // Non-product code
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 7956
diff changeset
1461
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 7956
diff changeset
1462 #ifndef PRODUCT
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1463 void Method::print_codes_on(outputStream* st) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1464 print_codes_on(0, code_size(), st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1465 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1466
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1467 void Method::print_codes_on(int from, int to, outputStream* st) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1468 Thread *thread = Thread::current();
a61af66fc99e Initial load
duke
parents:
diff changeset
1469 ResourceMark rm(thread);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1470 methodHandle mh (thread, (Method*)this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1471 BytecodeStream s(mh);
a61af66fc99e Initial load
duke
parents:
diff changeset
1472 s.set_interval(from, to);
a61af66fc99e Initial load
duke
parents:
diff changeset
1473 BytecodeTracer::set_closure(BytecodeTracer::std_closure());
a61af66fc99e Initial load
duke
parents:
diff changeset
1474 while (s.next() >= 0) BytecodeTracer::trace(mh, s.bcp(), st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1475 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1476 #endif // not PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
1477
a61af66fc99e Initial load
duke
parents:
diff changeset
1478
a61af66fc99e Initial load
duke
parents:
diff changeset
1479 // Simple compression of line number tables. We use a regular compressed stream, except that we compress deltas
a61af66fc99e Initial load
duke
parents:
diff changeset
1480 // between (bci,line) pairs since they are smaller. If (bci delta, line delta) fits in (5-bit unsigned, 3-bit unsigned)
a61af66fc99e Initial load
duke
parents:
diff changeset
1481 // we save it as one byte, otherwise we write a 0xFF escape character and use regular compression. 0x0 is used
a61af66fc99e Initial load
duke
parents:
diff changeset
1482 // as end-of-stream terminator.
a61af66fc99e Initial load
duke
parents:
diff changeset
1483
a61af66fc99e Initial load
duke
parents:
diff changeset
1484 void CompressedLineNumberWriteStream::write_pair_regular(int bci_delta, int line_delta) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1485 // bci and line number does not compress into single byte.
a61af66fc99e Initial load
duke
parents:
diff changeset
1486 // Write out escape character and use regular compression for bci and line number.
a61af66fc99e Initial load
duke
parents:
diff changeset
1487 write_byte((jubyte)0xFF);
a61af66fc99e Initial load
duke
parents:
diff changeset
1488 write_signed_int(bci_delta);
a61af66fc99e Initial load
duke
parents:
diff changeset
1489 write_signed_int(line_delta);
a61af66fc99e Initial load
duke
parents:
diff changeset
1490 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1491
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1492 // 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
1493 #if defined(_M_AMD64) && _MSC_VER >= 1400
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1494 #pragma optimize("", off)
a61af66fc99e Initial load
duke
parents:
diff changeset
1495 void CompressedLineNumberWriteStream::write_pair(int bci, int line) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1496 write_pair_inline(bci, line);
a61af66fc99e Initial load
duke
parents:
diff changeset
1497 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1498 #pragma optimize("", on)
a61af66fc99e Initial load
duke
parents:
diff changeset
1499 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
1500
a61af66fc99e Initial load
duke
parents:
diff changeset
1501 CompressedLineNumberReadStream::CompressedLineNumberReadStream(u_char* buffer) : CompressedReadStream(buffer) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1502 _bci = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1503 _line = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1504 };
a61af66fc99e Initial load
duke
parents:
diff changeset
1505
a61af66fc99e Initial load
duke
parents:
diff changeset
1506
a61af66fc99e Initial load
duke
parents:
diff changeset
1507 bool CompressedLineNumberReadStream::read_pair() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1508 jubyte next = read_byte();
a61af66fc99e Initial load
duke
parents:
diff changeset
1509 // Check for terminator
a61af66fc99e Initial load
duke
parents:
diff changeset
1510 if (next == 0) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
1511 if (next == 0xFF) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1512 // Escape character, regular compression used
a61af66fc99e Initial load
duke
parents:
diff changeset
1513 _bci += read_signed_int();
a61af66fc99e Initial load
duke
parents:
diff changeset
1514 _line += read_signed_int();
a61af66fc99e Initial load
duke
parents:
diff changeset
1515 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1516 // Single byte compression used
a61af66fc99e Initial load
duke
parents:
diff changeset
1517 _bci += next >> 3;
a61af66fc99e Initial load
duke
parents:
diff changeset
1518 _line += next & 0x7;
a61af66fc99e Initial load
duke
parents:
diff changeset
1519 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1520 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
1521 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1522
a61af66fc99e Initial load
duke
parents:
diff changeset
1523
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1524 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
1525 BreakpointInfo* bp = method_holder()->breakpoints();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1526 for (; bp != NULL; bp = bp->next()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1527 if (bp->match(this, bci)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1528 return bp->orig_bytecode();
a61af66fc99e Initial load
duke
parents:
diff changeset
1529 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1530 }
13010
bd3237e0e18d 8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents: 12823
diff changeset
1531 {
bd3237e0e18d 8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents: 12823
diff changeset
1532 ResourceMark rm;
bd3237e0e18d 8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents: 12823
diff changeset
1533 fatal(err_msg("no original bytecode found in %s at bci %d", name_and_sig_as_C_string(), bci));
bd3237e0e18d 8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents: 12823
diff changeset
1534 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1535 return Bytecodes::_shouldnotreachhere;
a61af66fc99e Initial load
duke
parents:
diff changeset
1536 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1537
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1538 void Method::set_orig_bytecode_at(int bci, Bytecodes::Code code) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1539 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
1540 BreakpointInfo* bp = method_holder()->breakpoints();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1541 for (; bp != NULL; bp = bp->next()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1542 if (bp->match(this, bci)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1543 bp->set_orig_bytecode(code);
a61af66fc99e Initial load
duke
parents:
diff changeset
1544 // and continue, in case there is more than one
a61af66fc99e Initial load
duke
parents:
diff changeset
1545 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1546 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1547 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1548
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1549 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
1550 InstanceKlass* ik = method_holder();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1551 BreakpointInfo *bp = new BreakpointInfo(this, bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
1552 bp->set_next(ik->breakpoints());
a61af66fc99e Initial load
duke
parents:
diff changeset
1553 ik->set_breakpoints(bp);
a61af66fc99e Initial load
duke
parents:
diff changeset
1554 // do this last:
a61af66fc99e Initial load
duke
parents:
diff changeset
1555 bp->set(this);
a61af66fc99e Initial load
duke
parents:
diff changeset
1556 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1557
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1558 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
1559 InstanceKlass* ik = m->method_holder();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1560 BreakpointInfo* prev_bp = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
1561 BreakpointInfo* next_bp;
a61af66fc99e Initial load
duke
parents:
diff changeset
1562 for (BreakpointInfo* bp = ik->breakpoints(); bp != NULL; bp = next_bp) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1563 next_bp = bp->next();
a61af66fc99e Initial load
duke
parents:
diff changeset
1564 // bci value of -1 is used to delete all breakpoints in method m (ex: clear_all_breakpoint).
a61af66fc99e Initial load
duke
parents:
diff changeset
1565 if (bci >= 0 ? bp->match(m, bci) : bp->match(m)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1566 // do this first:
a61af66fc99e Initial load
duke
parents:
diff changeset
1567 bp->clear(m);
a61af66fc99e Initial load
duke
parents:
diff changeset
1568 // unhook it
a61af66fc99e Initial load
duke
parents:
diff changeset
1569 if (prev_bp != NULL)
a61af66fc99e Initial load
duke
parents:
diff changeset
1570 prev_bp->set_next(next_bp);
a61af66fc99e Initial load
duke
parents:
diff changeset
1571 else
a61af66fc99e Initial load
duke
parents:
diff changeset
1572 ik->set_breakpoints(next_bp);
a61af66fc99e Initial load
duke
parents:
diff changeset
1573 delete bp;
a61af66fc99e Initial load
duke
parents:
diff changeset
1574 // When class is redefined JVMTI sets breakpoint in all versions of EMCP methods
a61af66fc99e Initial load
duke
parents:
diff changeset
1575 // at same location. So we have multiple matching (method_index and bci)
a61af66fc99e Initial load
duke
parents:
diff changeset
1576 // BreakpointInfo nodes in BreakpointInfo list. We should just delete one
a61af66fc99e Initial load
duke
parents:
diff changeset
1577 // breakpoint for clear_breakpoint request and keep all other method versions
a61af66fc99e Initial load
duke
parents:
diff changeset
1578 // BreakpointInfo for future clear_breakpoint request.
a61af66fc99e Initial load
duke
parents:
diff changeset
1579 // bcivalue of -1 is used to clear all breakpoints (see clear_all_breakpoints)
a61af66fc99e Initial load
duke
parents:
diff changeset
1580 // which is being called when class is unloaded. We delete all the Breakpoint
a61af66fc99e Initial load
duke
parents:
diff changeset
1581 // information for all versions of method. We may not correctly restore the original
a61af66fc99e Initial load
duke
parents:
diff changeset
1582 // bytecode in all method versions, but that is ok. Because the class is being unloaded
a61af66fc99e Initial load
duke
parents:
diff changeset
1583 // so these methods won't be used anymore.
a61af66fc99e Initial load
duke
parents:
diff changeset
1584 if (bci >= 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1585 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1586 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1587 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1588 // This one is a keeper.
a61af66fc99e Initial load
duke
parents:
diff changeset
1589 prev_bp = bp;
a61af66fc99e Initial load
duke
parents:
diff changeset
1590 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1591 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1592 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1593
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1594 void Method::clear_breakpoint(int bci) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1595 assert(bci >= 0, "");
a61af66fc99e Initial load
duke
parents:
diff changeset
1596 clear_matches(this, bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
1597 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1598
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1599 void Method::clear_all_breakpoints() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1600 clear_matches(this, -1);
a61af66fc99e Initial load
duke
parents:
diff changeset
1601 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1602
a61af66fc99e Initial load
duke
parents:
diff changeset
1603
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1604 int Method::invocation_count() {
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1605 MethodCounters *mcs = method_counters();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1606 if (TieredCompilation) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1607 MethodData* const mdo = method_data();
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1608 if (((mcs != NULL) ? mcs->invocation_counter()->carry() : false) ||
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1609 ((mdo != NULL) ? mdo->invocation_counter()->carry() : false)) {
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1610 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1611 } else {
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1612 return ((mcs != NULL) ? mcs->invocation_counter()->count() : 0) +
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1613 ((mdo != NULL) ? mdo->invocation_counter()->count() : 0);
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1614 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1615 } else {
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1616 return (mcs == NULL) ? 0 : mcs->invocation_counter()->count();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1617 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1618 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1619
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1620 int Method::backedge_count() {
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1621 MethodCounters *mcs = method_counters();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1622 if (TieredCompilation) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1623 MethodData* const mdo = method_data();
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1624 if (((mcs != NULL) ? mcs->backedge_counter()->carry() : false) ||
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1625 ((mdo != NULL) ? mdo->backedge_counter()->carry() : false)) {
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1626 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1627 } else {
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1628 return ((mcs != NULL) ? mcs->backedge_counter()->count() : 0) +
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1629 ((mdo != NULL) ? mdo->backedge_counter()->count() : 0);
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1630 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1631 } else {
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1632 return (mcs == NULL) ? 0 : mcs->backedge_counter()->count();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1633 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1634 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1635
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1636 int Method::highest_comp_level() const {
20457
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1637 const MethodCounters* mcs = method_counters();
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1638 if (mcs != NULL) {
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1639 return mcs->highest_comp_level();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1640 } else {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1641 return CompLevel_none;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1642 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1643 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1644
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1645 int Method::highest_osr_comp_level() const {
20457
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1646 const MethodCounters* mcs = method_counters();
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1647 if (mcs != NULL) {
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1648 return mcs->highest_osr_comp_level();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1649 } else {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1650 return CompLevel_none;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1651 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1652 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1653
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1654 void Method::set_highest_comp_level(int level) {
20457
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1655 MethodCounters* mcs = method_counters();
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1656 if (mcs != NULL) {
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1657 mcs->set_highest_comp_level(level);
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1658 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1659 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1660
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1661 void Method::set_highest_osr_comp_level(int level) {
20457
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1662 MethodCounters* mcs = method_counters();
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1663 if (mcs != NULL) {
631667807de7 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
iveresov
parents: 20197
diff changeset
1664 mcs->set_highest_osr_comp_level(level);
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1665 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1666 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1692
diff changeset
1667
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1668 BreakpointInfo::BreakpointInfo(Method* m, int bci) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1669 _bci = bci;
a61af66fc99e Initial load
duke
parents:
diff changeset
1670 _name_index = m->name_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1671 _signature_index = m->signature_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1672 _orig_bytecode = (Bytecodes::Code) *m->bcp_from(_bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
1673 if (_orig_bytecode == Bytecodes::_breakpoint)
a61af66fc99e Initial load
duke
parents:
diff changeset
1674 _orig_bytecode = m->orig_bytecode_at(_bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
1675 _next = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
1676 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1677
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1678 void BreakpointInfo::set(Method* method) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1679 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
1680 {
a61af66fc99e Initial load
duke
parents:
diff changeset
1681 Bytecodes::Code code = (Bytecodes::Code) *method->bcp_from(_bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
1682 if (code == Bytecodes::_breakpoint)
a61af66fc99e Initial load
duke
parents:
diff changeset
1683 code = method->orig_bytecode_at(_bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
1684 assert(orig_bytecode() == code, "original bytecode must be the same");
a61af66fc99e Initial load
duke
parents:
diff changeset
1685 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1686 #endif
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1687 Thread *thread = Thread::current();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1688 *method->bcp_from(_bci) = Bytecodes::_breakpoint;
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1689 method->incr_number_of_breakpoints(thread);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1690 SystemDictionary::notice_modification();
a61af66fc99e Initial load
duke
parents:
diff changeset
1691 {
a61af66fc99e Initial load
duke
parents:
diff changeset
1692 // Deoptimize all dependents on this method
a61af66fc99e Initial load
duke
parents:
diff changeset
1693 HandleMark hm(thread);
a61af66fc99e Initial load
duke
parents:
diff changeset
1694 methodHandle mh(thread, method);
a61af66fc99e Initial load
duke
parents:
diff changeset
1695 Universe::flush_dependents_on_method(mh);
a61af66fc99e Initial load
duke
parents:
diff changeset
1696 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1697 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1698
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1699 void BreakpointInfo::clear(Method* method) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1700 *method->bcp_from(_bci) = orig_bytecode();
a61af66fc99e Initial load
duke
parents:
diff changeset
1701 assert(method->number_of_breakpoints() > 0, "must not go negative");
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8880
diff changeset
1702 method->decr_number_of_breakpoints(Thread::current());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1703 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1704
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1705 // jmethodID handling
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1706
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1707 // 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
1708 // 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
1709 // 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
1710 // 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
1711 // never get rid of it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1712 // 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
1713 // 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
1714 // into templates.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1715
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1716 // 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
1717
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1718 class JNIMethodBlock : public CHeapObj<mtClass> {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1719 enum { number_of_methods = 8 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1720
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1721 Method* _methods[number_of_methods];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1722 int _top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1723 JNIMethodBlock* _next;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1724 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1725 static Method* const _free_method;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1726
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1727 JNIMethodBlock() : _next(NULL), _top(0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1728 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
1729 }
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 Method** add_method(Method* m) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1732 if (_top < number_of_methods) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1733 // top points to the next free entry.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1734 int i = _top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1735 _methods[i] = m;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1736 _top++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1737 return &_methods[i];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1738 } else if (_top == number_of_methods) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1739 // 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
1740 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
1741 if (_methods[i] == _free_method) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1742 _methods[i] = m;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1743 return &_methods[i];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1744 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1745 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1746 // 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
1747 // Increment top past the end of the block.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1748 _top++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1749 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1750 // need to allocate a next block.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1751 if (_next == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1752 _next = new JNIMethodBlock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1753 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1754 return _next->add_method(m);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1755 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1756
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1757 bool contains(Method** m) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1758 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
1759 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
1760 if (&(b->_methods[i]) == m) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1761 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1762 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1763 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1764 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1765 return false; // not found
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1768 // 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
1769 void destroy_method(Method** m) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1770 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1771 assert(contains(m), "should be a methodID");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1772 #endif // ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1773 *m = _free_method;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1774 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1775
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1776 // 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
1777 // than freed.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1778 void clear_all_methods() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1779 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
1780 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
1781 _methods[i] = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1782 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1783 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1784 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1785 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1786 int count_methods() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1787 // count all allocated methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1788 int count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1789 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
1790 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
1791 if (_methods[i] != _free_method) count++;
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 return count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1795 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1796 #endif // PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1797 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1798
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1799 // 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
1800 Method* const JNIMethodBlock::_free_method = (Method*)55;
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 // Add a method id to the jmethod_ids
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1803 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
1804 ClassLoaderData* cld = loader_data;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1805
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1806 if (!SafepointSynchronize::is_at_safepoint()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1807 // 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
1808 // 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
1809 // protects as well.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1810 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
1811 if (cld->jmethod_ids() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1812 cld->set_jmethod_ids(new JNIMethodBlock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1813 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1814 // jmethodID is a pointer to Method*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1815 return (jmethodID)cld->jmethod_ids()->add_method(m);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1816 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1817 // 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
1818 if (cld->jmethod_ids() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1819 cld->set_jmethod_ids(new JNIMethodBlock());
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 // jmethodID is a pointer to Method*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1822 return (jmethodID)cld->jmethod_ids()->add_method(m);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1823 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1824 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1825
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1826 // 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
1827 // InstanceKlass while creating the jmethodID cache.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1828 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
1829 ClassLoaderData* cld = loader_data;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1830 Method** ptr = (Method**)m;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1831 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
1832 cld->jmethod_ids()->destroy_method(ptr);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1833 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1834
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1835 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
1836 // 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
1837 // scratch method holder.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1838 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
1839 == new_method->method_holder()->class_loader(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1840 "changing to a different class loader");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1841 // 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
1842 *((Method**)jmid) = new_method;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1843 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1844
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1845 bool Method::is_method_id(jmethodID mid) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1846 Method* m = resolve_jmethod_id(mid);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1847 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
1848 InstanceKlass* ik = m->method_holder();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1849 ClassLoaderData* cld = ik->class_loader_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1850 if (cld->jmethod_ids() == NULL) return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1851 return (cld->jmethod_ids()->contains((Method**)mid));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1852 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1853
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1854 Method* Method::checked_resolve_jmethod_id(jmethodID mid) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1855 if (mid == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1856 Method* o = resolve_jmethod_id(mid);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1857 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
1858 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1859 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1860 return o;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1861 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1862
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1863 void Method::set_on_stack(const bool value) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1864 // 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
1865 // 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
1866 constants()->set_on_stack(value);
20619
b12a2a9b05ca 8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents: 20489
diff changeset
1867
b12a2a9b05ca 8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents: 20489
diff changeset
1868 bool succeeded = _access_flags.set_on_stack(value);
b12a2a9b05ca 8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents: 20489
diff changeset
1869 if (value && succeeded) {
b12a2a9b05ca 8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents: 20489
diff changeset
1870 MetadataOnStackMark::record(this, Thread::current());
b12a2a9b05ca 8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents: 20489
diff changeset
1871 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1872 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1873
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1874 // 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
1875 void Method::clear_jmethod_ids(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1876 loader_data->jmethod_ids()->clear_all_methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1877 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1878
17935
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1879 bool Method::has_method_vptr(const void* ptr) {
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1880 Method m;
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1881 // This assumes that the vtbl pointer is the first word of a C++ object.
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1882 // This assumption is also in universe.cpp patch_klass_vtble
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1883 void* vtbl2 = dereference_vptr((const void*)&m);
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1884 void* this_vtbl = dereference_vptr(ptr);
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1885 return vtbl2 == this_vtbl;
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1886 }
7176
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1887
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1888 // 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
1889 bool Method::is_valid_method() const {
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1890 if (this == NULL) {
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1891 return false;
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1892 } else if (!is_metaspace_object()) {
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1893 return false;
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1894 } else {
17935
7384f6a12fc1 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents: 17883
diff changeset
1895 return has_method_vptr((const void*)this);
7176
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1896 }
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1897 }
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6983
diff changeset
1898
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1899 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1900 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
1901 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
1902 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1903 #endif // PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1904
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 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1907
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1908 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1909
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1910 void Method::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1911 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1912 assert(is_method(), "must be method");
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 17935
diff changeset
1913 st->print_cr("%s", internal_name());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1914 // get the effect of PrintOopAddress, always, for methods:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1915 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
1916 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
1917 st->print (" - constants: "INTPTR_FORMAT" ", (address)constants());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1918 constants()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1919 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
1920 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
1921 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
1922 st->print_cr(" - max stack: %d", max_stack());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1923 st->print_cr(" - max locals: %d", max_locals());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1924 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
1925 st->print_cr(" - method size: %d", method_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1926 if (intrinsic_id() != vmIntrinsics::_none)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1927 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
1928 if (highest_comp_level() != CompLevel_none)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1929 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
1930 st->print_cr(" - vtable index: %d", _vtable_index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1931 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
1932 st->print( " - adapters: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1933 AdapterHandlerEntry* a = ((Method*)this)->adapter();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1934 if (a == NULL)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1935 st->print_cr(INTPTR_FORMAT, a);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1936 else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1937 a->print_adapter_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1938 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
1939 st->print_cr(" - code size: %d", code_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1940 if (code_size() != 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1941 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
1942 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
1943 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1944 if (method_data() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1945 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
1946 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1947 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
1948 if (checked_exceptions_length() > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1949 CheckedExceptionElement* table = checked_exceptions_start();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1950 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
1951 if (Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1952 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
1953 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
1954 }
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 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1957 if (has_linenumber_table()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1958 u_char* table = compressed_linenumber_table();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1959 st->print_cr(" - linenumber start: " INTPTR_FORMAT, table);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1960 if (Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1961 CompressedLineNumberReadStream stream(table);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1962 while (stream.read_pair()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1963 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
1964 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1965 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1966 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1967 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
1968 if (localvariable_table_length() > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1969 LocalVariableTableElement* table = localvariable_table_start();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1970 st->print_cr(" - localvar start: " INTPTR_FORMAT, table);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1971 if (Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1972 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
1973 int bci = table[i].start_bci;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1974 int len = table[i].length;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1975 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
1976 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
1977 int slot = table[i].slot;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1978 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
1979 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1980 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1981 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1982 if (code() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1983 st->print (" - compiled code: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1984 code()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1985 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1986 if (is_native()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1987 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
1988 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
1989 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1990 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1991
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1992 #endif //PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1993
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1994 void Method::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1995 assert(is_method(), "must be method");
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 17935
diff changeset
1996 st->print("%s", internal_name());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1997 print_address_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1998 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1999 name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2000 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2001 signature()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2002 st->print(" in ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2003 method_holder()->print_value_on(st);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 12170
diff changeset
2004 if (WizardMode) st->print("#%d", _vtable_index);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2005 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
2006 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
2007 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2008
7956
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2009 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2010 // Size Statistics
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2011 void Method::collect_statistics(KlassSizeStats *sz) const {
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2012 int mysize = sz->count(this);
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2013 sz->_method_bytes += mysize;
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2014 sz->_method_all_bytes += mysize;
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2015 sz->_rw_bytes += mysize;
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2016
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2017 if (constMethod()) {
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2018 constMethod()->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2019 }
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2020 if (method_data()) {
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2021 method_data()->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2022 }
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2023 }
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7949
diff changeset
2024 #endif // INCLUDE_SERVICES
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2025
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2026 // Verification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2027
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2028 void Method::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2029 guarantee(is_method(), "object must be method");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2030 guarantee(constants()->is_constantPool(), "should be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2031 guarantee(constMethod()->is_constMethod(), "should be ConstMethod*");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2032 MethodData* md = method_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2033 guarantee(md == NULL ||
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2034 md->is_methodData(), "should be method data");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2035 }