Mercurial > hg > graal-jvmci-8
annotate src/share/vm/oops/method.hpp @ 20576:90257dfad6e3
8043275: 8u40 backport: Fix interface initialization for default methods.
Reviewed-by: dcubed, coleenp
author | acorn |
---|---|
date | Fri, 24 Oct 2014 12:29:08 -0700 |
parents | 966205f0e717 |
children | 3c87c13918fb |
rev | line source |
---|---|
0 | 1 /* |
7956 | 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
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:
1507
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OOPS_METHODOOP_HPP |
26 #define SHARE_VM_OOPS_METHODOOP_HPP | |
27 | |
28 #include "classfile/vmSymbols.hpp" | |
29 #include "code/compressedStream.hpp" | |
30 #include "compiler/oopMap.hpp" | |
31 #include "interpreter/invocationCounter.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
32 #include "oops/annotations.hpp" |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
33 #include "oops/constantPool.hpp" |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
34 #include "oops/methodCounters.hpp" |
1972 | 35 #include "oops/instanceKlass.hpp" |
36 #include "oops/oop.hpp" | |
37 #include "oops/typeArrayOop.hpp" | |
38 #include "utilities/accessFlags.hpp" | |
39 #include "utilities/growableArray.hpp" | |
40 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
41 // A Method* represents a Java method. |
0 | 42 // |
43 // Memory layout (each line represents a word). Note that most applications load thousands of methods, | |
44 // so keeping the size of this structure small has a big impact on footprint. | |
45 // | |
46 // We put all oops and method_size first for better gc cache locality. | |
47 // | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
48 // The actual bytecodes are inlined after the end of the Method struct. |
0 | 49 // |
50 // There are bits in the access_flags telling whether inlined tables are present. | |
51 // Note that accessing the line number and local variable tables is not performance critical at all. | |
52 // Accessing the checked exceptions table is used by reflection, so we put that last to make access | |
53 // to it fast. | |
54 // | |
55 // The line number table is compressed and inlined following the byte codes. It is found as the first | |
56 // byte following the byte codes. The checked exceptions table and the local variable table are inlined | |
57 // after the line number table, and indexed from the end of the method. We do not compress the checked | |
58 // exceptions table since the average length is less than 2, and do not bother to compress the local | |
59 // variable table either since it is mostly absent. | |
60 // | |
61 // Note that native_function and signature_handler has to be at fixed offsets (required by the interpreter) | |
62 // | |
63 // |------------------------------------------------------| | |
64 // | header | | |
65 // | klass | | |
66 // |------------------------------------------------------| | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
67 // | ConstMethod* (oop) | |
0 | 68 // |------------------------------------------------------| |
69 // | methodData (oop) | | |
10233 | 70 // | methodCounters | |
0 | 71 // |------------------------------------------------------| |
72 // | access_flags | | |
73 // | vtable_index | | |
74 // |------------------------------------------------------| | |
75 // | result_index (C++ interpreter only) | | |
76 // |------------------------------------------------------| | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7184
diff
changeset
|
77 // | method_size | intrinsic_id| flags | |
0 | 78 // |------------------------------------------------------| |
79 // | code (pointer) | | |
80 // | i2i (pointer) | | |
81 // | adapter (pointer) | | |
82 // | from_compiled_entry (pointer) | | |
83 // | from_interpreted_entry (pointer) | | |
84 // |------------------------------------------------------| | |
85 // | native_function (present only if native) | | |
86 // | signature_handler (present only if native) | | |
87 // |------------------------------------------------------| | |
88 | |
89 | |
90 class CheckedExceptionElement; | |
91 class LocalVariableTableElement; | |
92 class AdapterHandlerEntry; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
93 class MethodData; |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
94 class MethodCounters; |
6934 | 95 class ConstMethod; |
8031 | 96 class InlineTableSizes; |
7956 | 97 class KlassSizeStats; |
0 | 98 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
99 class Method : public Metadata { |
0 | 100 friend class VMStructs; |
101 private: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
102 ConstMethod* _constMethod; // Method read-only data. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
103 MethodData* _method_data; |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
104 MethodCounters* _method_counters; |
0 | 105 AccessFlags _access_flags; // Access flags |
106 int _vtable_index; // vtable index of this method (see VtableIndexFlag) | |
107 // note: can have vtables with >2**16 elements (because of inheritance) | |
108 #ifdef CC_INTERP | |
109 int _result_index; // C++ interpreter needs for converting results to/from stack | |
110 #endif | |
111 u2 _method_size; // size of this object | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
112 u1 _intrinsic_id; // vmSymbols::intrinsic_id (0 == _none) |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
113 u1 _jfr_towrite : 1, // Flags |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
114 _caller_sensitive : 1, |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
115 _force_inline : 1, |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
116 _hidden : 1, |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
117 _dont_inline : 1, |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
118 : 3; |
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
119 |
0 | 120 #ifndef PRODUCT |
121 int _compiled_invocation_count; // Number of nmethod invocations so far (for perf. debugging) | |
122 #endif | |
123 // Entry point for calling both from and to the interpreter. | |
124 address _i2i_entry; // All-args-on-stack calling convention | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
125 // Adapter blob (i2c/c2i) for this Method*. Set once when method is linked. |
0 | 126 AdapterHandlerEntry* _adapter; |
127 // Entry point for calling from compiled code, to compiled code if it exists | |
128 // or else the interpreter. | |
129 volatile address _from_compiled_entry; // Cache of: _code ? _code->entry_point() : _adapter->c2i_entry() | |
130 // The entry point for calling both from and to compiled code is | |
131 // "_code->entry_point()". Because of tiered compilation and de-opt, this | |
132 // field can come and go. It can transition from NULL to not-null at any | |
133 // time (whenever a compile completes). It can transition from not-null to | |
134 // NULL only at safepoints (because of a de-opt). | |
135 nmethod* volatile _code; // Points to the corresponding piece of native code | |
136 volatile address _from_interpreted_entry; // Cache of _code ? _adapter->i2c_entry() : _i2i_entry | |
137 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
138 // Constructor |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
139 Method(ConstMethod* xconst, AccessFlags access_flags, int size); |
0 | 140 public: |
6934 | 141 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
142 static Method* allocate(ClassLoaderData* loader_data, |
6934 | 143 int byte_code_size, |
144 AccessFlags access_flags, | |
8031 | 145 InlineTableSizes* sizes, |
6934 | 146 ConstMethod::MethodType method_type, |
147 TRAPS); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
148 |
7176
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6940
diff
changeset
|
149 // CDS and vtbl checking can create an empty Method to get vtbl pointer. |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6940
diff
changeset
|
150 Method(){} |
6733
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
151 |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
152 // The Method vtable is restored by this call when the Method is in the |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
153 // shared archive. See patch_klass_vtables() in metaspaceShared.cpp for |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
154 // all the gory details. SA, dtrace and pstack helpers distinguish metadata |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
155 // by their vtable. |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
156 void restore_vtable() { guarantee(is_method(), "vtable restored by this call"); } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
157 bool is_method() const volatile { return true; } |
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
196
diff
changeset
|
158 |
17883
9428a0b94204
8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents:
14443
diff
changeset
|
159 void restore_unshareable_info(TRAPS); |
9428a0b94204
8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents:
14443
diff
changeset
|
160 |
0 | 161 // accessors for instance variables |
6733
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
162 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
163 ConstMethod* constMethod() const { return _constMethod; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
164 void set_constMethod(ConstMethod* xconst) { _constMethod = xconst; } |
0 | 165 |
166 | |
167 static address make_adapters(methodHandle mh, TRAPS); | |
168 volatile address from_compiled_entry() const { return (address)OrderAccess::load_ptr_acquire(&_from_compiled_entry); } | |
169 volatile address from_interpreted_entry() const{ return (address)OrderAccess::load_ptr_acquire(&_from_interpreted_entry); } | |
170 | |
171 // access flag | |
172 AccessFlags access_flags() const { return _access_flags; } | |
173 void set_access_flags(AccessFlags flags) { _access_flags = flags; } | |
174 | |
175 // name | |
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
176 Symbol* name() const { return constants()->symbol_at(name_index()); } |
0 | 177 int name_index() const { return constMethod()->name_index(); } |
178 void set_name_index(int index) { constMethod()->set_name_index(index); } | |
179 | |
180 // signature | |
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
181 Symbol* signature() const { return constants()->symbol_at(signature_index()); } |
0 | 182 int signature_index() const { return constMethod()->signature_index(); } |
183 void set_signature_index(int index) { constMethod()->set_signature_index(index); } | |
184 | |
185 // generics support | |
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
186 Symbol* generic_signature() const { int idx = generic_signature_index(); return ((idx != 0) ? constants()->symbol_at(idx) : (Symbol*)NULL); } |
0 | 187 int generic_signature_index() const { return constMethod()->generic_signature_index(); } |
188 void set_generic_signature_index(int index) { constMethod()->set_generic_signature_index(index); } | |
189 | |
190 // annotations support | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
191 AnnotationArray* annotations() const { |
8031 | 192 return constMethod()->method_annotations(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
193 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
194 AnnotationArray* parameter_annotations() const { |
8031 | 195 return constMethod()->parameter_annotations(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
196 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
197 AnnotationArray* annotation_default() const { |
8031 | 198 return constMethod()->default_annotations(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
199 } |
8031 | 200 AnnotationArray* type_annotations() const { |
201 return constMethod()->type_annotations(); | |
202 } | |
0 | 203 |
204 #ifdef CC_INTERP | |
205 void set_result_index(BasicType type); | |
206 int result_index() { return _result_index; } | |
207 #endif | |
208 | |
209 // Helper routine: get klass name + "." + method name + signature as | |
210 // C string, for the purpose of providing more useful NoSuchMethodErrors | |
211 // and fatal error handling. The string is allocated in resource | |
212 // area if a buffer is not provided by the caller. | |
6145
e2fe93124108
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
4873
diff
changeset
|
213 char* name_and_sig_as_C_string() const; |
e2fe93124108
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
4873
diff
changeset
|
214 char* name_and_sig_as_C_string(char* buf, int size) const; |
0 | 215 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
216 // Static routine in the situations we don't have a Method* |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
217 static char* name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
218 static char* name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature, char* buf, int size); |
0 | 219 |
2142 | 220 Bytecodes::Code java_code_at(int bci) const { |
221 return Bytecodes::java_code_at(this, bcp_from(bci)); | |
222 } | |
223 Bytecodes::Code code_at(int bci) const { | |
224 return Bytecodes::code_at(this, bcp_from(bci)); | |
225 } | |
226 | |
0 | 227 // JVMTI breakpoints |
2142 | 228 Bytecodes::Code orig_bytecode_at(int bci) const; |
0 | 229 void set_orig_bytecode_at(int bci, Bytecodes::Code code); |
230 void set_breakpoint(int bci); | |
231 void clear_breakpoint(int bci); | |
232 void clear_all_breakpoints(); | |
233 // Tracking number of breakpoints, for fullspeed debugging. | |
234 // Only mutated by VM thread. | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
235 u2 number_of_breakpoints() const { |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
236 MethodCounters* mcs = method_counters(); |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
237 if (mcs == NULL) { |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
238 return 0; |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
239 } else { |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
240 return mcs->number_of_breakpoints(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
241 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
242 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
243 void incr_number_of_breakpoints(TRAPS) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
244 MethodCounters* mcs = get_method_counters(CHECK); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
245 if (mcs != NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
246 mcs->incr_number_of_breakpoints(); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
247 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
248 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
249 void decr_number_of_breakpoints(TRAPS) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
250 MethodCounters* mcs = get_method_counters(CHECK); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
251 if (mcs != NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
252 mcs->decr_number_of_breakpoints(); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
253 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
254 } |
0 | 255 // Initialization only |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
256 void clear_number_of_breakpoints() { |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
257 MethodCounters* mcs = method_counters(); |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
258 if (mcs != NULL) { |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
259 mcs->clear_number_of_breakpoints(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
260 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
261 } |
0 | 262 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
263 // index into InstanceKlass methods() array |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
3785
diff
changeset
|
264 // note: also used by jfr |
0 | 265 u2 method_idnum() const { return constMethod()->method_idnum(); } |
266 void set_method_idnum(u2 idnum) { constMethod()->set_method_idnum(idnum); } | |
267 | |
268 // code size | |
269 int code_size() const { return constMethod()->code_size(); } | |
270 | |
271 // method size | |
272 int method_size() const { return _method_size; } | |
273 void set_method_size(int size) { | |
274 assert(0 <= size && size < (1 << 16), "invalid method size"); | |
275 _method_size = size; | |
276 } | |
277 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
278 // constant pool for Klass* holding this method |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
279 ConstantPool* constants() const { return constMethod()->constants(); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
280 void set_constants(ConstantPool* c) { constMethod()->set_constants(c); } |
0 | 281 |
282 // max stack | |
6271
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
283 // return original max stack size for method verification |
7183
b2dbd323c668
8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents:
6940
diff
changeset
|
284 int verifier_max_stack() const { return constMethod()->max_stack(); } |
b2dbd323c668
8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents:
6940
diff
changeset
|
285 int max_stack() const { return constMethod()->max_stack() + extra_stack_entries(); } |
b2dbd323c668
8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents:
6940
diff
changeset
|
286 void set_max_stack(int size) { constMethod()->set_max_stack(size); } |
0 | 287 |
288 // max locals | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7184
diff
changeset
|
289 int max_locals() const { return constMethod()->max_locals(); } |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7184
diff
changeset
|
290 void set_max_locals(int size) { constMethod()->set_max_locals(size); } |
1783 | 291 |
292 int highest_comp_level() const; | |
293 void set_highest_comp_level(int level); | |
294 int highest_osr_comp_level() const; | |
295 void set_highest_osr_comp_level(int level); | |
0 | 296 |
297 // Count of times method was exited via exception while interpreting | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
298 void interpreter_throwout_increment(TRAPS) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
299 MethodCounters* mcs = get_method_counters(CHECK); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
300 if (mcs != NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
301 mcs->interpreter_throwout_increment(); |
0 | 302 } |
303 } | |
304 | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
305 int interpreter_throwout_count() const { |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
306 MethodCounters* mcs = method_counters(); |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
307 if (mcs == NULL) { |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
308 return 0; |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
309 } else { |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
310 return mcs->interpreter_throwout_count(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
311 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
312 } |
0 | 313 |
314 // size of parameters | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7184
diff
changeset
|
315 int size_of_parameters() const { return constMethod()->size_of_parameters(); } |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7184
diff
changeset
|
316 void set_size_of_parameters(int size) { constMethod()->set_size_of_parameters(size); } |
0 | 317 |
318 bool has_stackmap_table() const { | |
319 return constMethod()->has_stackmap_table(); | |
320 } | |
321 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
322 Array<u1>* stackmap_data() const { |
0 | 323 return constMethod()->stackmap_data(); |
324 } | |
325 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
326 void set_stackmap_data(Array<u1>* sd) { |
1877
a4c7fe54bf3f
6991315: RedefineClasses fails with java.lang.VerifyError
kamg
parents:
1793
diff
changeset
|
327 constMethod()->set_stackmap_data(sd); |
a4c7fe54bf3f
6991315: RedefineClasses fails with java.lang.VerifyError
kamg
parents:
1793
diff
changeset
|
328 } |
a4c7fe54bf3f
6991315: RedefineClasses fails with java.lang.VerifyError
kamg
parents:
1793
diff
changeset
|
329 |
0 | 330 // exception handler table |
331 bool has_exception_handler() const | |
332 { return constMethod()->has_exception_handler(); } | |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
333 int exception_table_length() const |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
334 { return constMethod()->exception_table_length(); } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
335 ExceptionTableElement* exception_table_start() const |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
336 { return constMethod()->exception_table_start(); } |
0 | 337 |
338 // Finds the first entry point bci of an exception handler for an | |
339 // exception of klass ex_klass thrown at throw_bci. A value of NULL | |
340 // for ex_klass indicates that the exception klass is not known; in | |
341 // this case it matches any constraint class. Returns -1 if the | |
342 // exception cannot be handled in this method. The handler | |
343 // constraint classes are loaded if necessary. Note that this may | |
344 // throw an exception if loading of the constraint classes causes | |
345 // an IllegalAccessError (bugid 4307310) or an OutOfMemoryError. | |
346 // If an exception is thrown, returns the bci of the | |
347 // exception handler which caused the exception to be thrown, which | |
348 // is needed for proper retries. See, for example, | |
349 // InterpreterRuntime::exception_handler_for_exception. | |
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7402
diff
changeset
|
350 static int fast_exception_handler_bci_for(methodHandle mh, KlassHandle ex_klass, int throw_bci, TRAPS); |
0 | 351 |
352 // method data access | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
353 MethodData* method_data() const { |
0 | 354 return _method_data; |
355 } | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
356 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
357 void set_method_data(MethodData* data) { |
14443
3205e78d8193
8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents:
12883
diff
changeset
|
358 // The store into method must be released. On platforms without |
3205e78d8193
8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents:
12883
diff
changeset
|
359 // total store order (TSO) the reference may become visible before |
3205e78d8193
8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents:
12883
diff
changeset
|
360 // the initialization of data otherwise. |
3205e78d8193
8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents:
12883
diff
changeset
|
361 OrderAccess::release_store_ptr((volatile void *)&_method_data, data); |
0 | 362 } |
363 | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
364 MethodCounters* method_counters() const { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
365 return _method_counters; |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
366 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
367 |
20489
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20465
diff
changeset
|
368 void clear_method_counters() { |
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20465
diff
changeset
|
369 _method_counters = NULL; |
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20465
diff
changeset
|
370 } |
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20465
diff
changeset
|
371 |
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20465
diff
changeset
|
372 bool init_method_counters(MethodCounters* counters) { |
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20465
diff
changeset
|
373 // Try to install a pointer to MethodCounters, return true on success. |
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20465
diff
changeset
|
374 return Atomic::cmpxchg_ptr(counters, (volatile void*)&_method_counters, NULL) == NULL; |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
375 } |
1783 | 376 |
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
377 #ifdef TIERED |
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
378 // We are reusing interpreter_invocation_count as a holder for the previous event count! |
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
379 // We can do that since interpreter_invocation_count is not used in tiered. |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
380 int prev_event_count() const { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
381 if (method_counters() == NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
382 return 0; |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
383 } else { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
384 return method_counters()->interpreter_invocation_count(); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
385 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
386 } |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
387 void set_prev_event_count(int count) { |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
388 MethodCounters* mcs = method_counters(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
389 if (mcs != NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
390 mcs->set_interpreter_invocation_count(count); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
391 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
392 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
393 jlong prev_time() const { |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
394 MethodCounters* mcs = method_counters(); |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
395 return mcs == NULL ? 0 : mcs->prev_time(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
396 } |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
397 void set_prev_time(jlong time) { |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
398 MethodCounters* mcs = method_counters(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
399 if (mcs != NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
400 mcs->set_prev_time(time); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
401 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
402 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
403 float rate() const { |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
404 MethodCounters* mcs = method_counters(); |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
405 return mcs == NULL ? 0 : mcs->rate(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
406 } |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
407 void set_rate(float rate) { |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
408 MethodCounters* mcs = method_counters(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
409 if (mcs != NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
410 mcs->set_rate(rate); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
411 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
412 } |
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
413 #endif |
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
414 |
1783 | 415 int invocation_count(); |
416 int backedge_count(); | |
417 | |
418 bool was_executed_more_than(int n); | |
419 bool was_never_executed() { return !was_executed_more_than(0); } | |
0 | 420 |
421 static void build_interpreter_method_data(methodHandle method, TRAPS); | |
422 | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
423 static MethodCounters* build_method_counters(Method* m, TRAPS); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
424 |
1783 | 425 int interpreter_invocation_count() { |
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
426 if (TieredCompilation) { |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
427 return invocation_count(); |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
428 } else { |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
429 MethodCounters* mcs = method_counters(); |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
430 return (mcs == NULL) ? 0 : mcs->interpreter_invocation_count(); |
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
17935
diff
changeset
|
431 } |
1783 | 432 } |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
433 int increment_interpreter_invocation_count(TRAPS) { |
1783 | 434 if (TieredCompilation) ShouldNotReachHere(); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
435 MethodCounters* mcs = get_method_counters(CHECK_0); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
436 return (mcs == NULL) ? 0 : mcs->increment_interpreter_invocation_count(); |
1783 | 437 } |
0 | 438 |
439 #ifndef PRODUCT | |
1783 | 440 int compiled_invocation_count() const { return _compiled_invocation_count; } |
0 | 441 void set_compiled_invocation_count(int count) { _compiled_invocation_count = count; } |
442 #endif // not PRODUCT | |
443 | |
605 | 444 // Clear (non-shared space) pointers which could not be relevant |
0 | 445 // if this (shared) method were mapped into another JVM. |
446 void remove_unshareable_info(); | |
447 | |
448 // nmethod/verified compiler entry | |
449 address verified_code_entry(); | |
450 bool check_code() const; // Not inline to avoid circular ref | |
451 nmethod* volatile code() const { assert( check_code(), "" ); return (nmethod *)OrderAccess::load_ptr_acquire(&_code); } | |
452 void clear_code(); // Clear out any compiled code | |
1202 | 453 static void set_code(methodHandle mh, nmethod* code); |
0 | 454 void set_adapter_entry(AdapterHandlerEntry* adapter) { _adapter = adapter; } |
455 address get_i2c_entry(); | |
456 address get_c2i_entry(); | |
457 address get_c2i_unverified_entry(); | |
458 AdapterHandlerEntry* adapter() { return _adapter; } | |
459 // setup entry points | |
460 void link_method(methodHandle method, TRAPS); | |
461 // clear entry points. Used by sharing code | |
462 void unlink_method(); | |
463 | |
464 // vtable index | |
465 enum VtableIndexFlag { | |
466 // Valid vtable indexes are non-negative (>= 0). | |
467 // These few negative values are used as sentinels. | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
468 itable_index_max = -10, // first itable index, growing downward |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
469 pending_itable_index = -9, // itable index will be assigned |
0 | 470 invalid_vtable_index = -4, // distinct from any valid vtable index |
471 garbage_vtable_index = -3, // not yet linked; no vtable layout yet | |
472 nonvirtual_vtable_index = -2 // there is no need for vtable dispatch | |
473 // 6330203 Note: Do not use -1, which was overloaded with many meanings. | |
474 }; | |
475 DEBUG_ONLY(bool valid_vtable_index() const { return _vtable_index >= nonvirtual_vtable_index; }) | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
476 bool has_vtable_index() const { return _vtable_index >= 0; } |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
477 int vtable_index() const { return _vtable_index; } |
0 | 478 void set_vtable_index(int index) { _vtable_index = index; } |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
479 DEBUG_ONLY(bool valid_itable_index() const { return _vtable_index <= pending_itable_index; }) |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
480 bool has_itable_index() const { return _vtable_index <= itable_index_max; } |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
481 int itable_index() const { assert(valid_itable_index(), ""); |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
482 return itable_index_max - _vtable_index; } |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
483 void set_itable_index(int index) { _vtable_index = itable_index_max - index; assert(valid_itable_index(), ""); } |
0 | 484 |
485 // interpreter entry | |
486 address interpreter_entry() const { return _i2i_entry; } | |
487 // Only used when first initialize so we can set _i2i_entry and _from_interpreted_entry | |
488 void set_interpreter_entry(address entry) { _i2i_entry = entry; _from_interpreted_entry = entry; } | |
489 | |
490 // native function (used for native methods only) | |
491 enum { | |
492 native_bind_event_is_interesting = true | |
493 }; | |
494 address native_function() const { return *(native_function_addr()); } | |
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4800
diff
changeset
|
495 address critical_native_function(); |
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4800
diff
changeset
|
496 |
0 | 497 // Must specify a real function (not NULL). |
498 // Use clear_native_function() to unregister. | |
499 void set_native_function(address function, bool post_event_flag); | |
500 bool has_native_function() const; | |
501 void clear_native_function(); | |
502 | |
503 // signature handler (used for native methods only) | |
504 address signature_handler() const { return *(signature_handler_addr()); } | |
505 void set_signature_handler(address handler); | |
506 | |
507 // Interpreter oopmap support | |
508 void mask_for(int bci, InterpreterOopMap* mask); | |
509 | |
510 #ifndef PRODUCT | |
511 // operations on invocation counter | |
1783 | 512 void print_invocation_count(); |
0 | 513 #endif |
514 | |
515 // byte codes | |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
977
diff
changeset
|
516 void set_code(address code) { return constMethod()->set_code(code); } |
0 | 517 address code_base() const { return constMethod()->code_base(); } |
518 bool contains(address bcp) const { return constMethod()->contains(bcp); } | |
519 | |
520 // prints byte codes | |
521 void print_codes() const { print_codes_on(tty); } | |
522 void print_codes_on(outputStream* st) const PRODUCT_RETURN; | |
523 void print_codes_on(int from, int to, outputStream* st) const PRODUCT_RETURN; | |
524 | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
525 // method parameters |
8068
56c364daccc3
8007153: Ensure that MethodParameters API works properly with RedefineClasses
emc
parents:
8031
diff
changeset
|
526 bool has_method_parameters() const |
56c364daccc3
8007153: Ensure that MethodParameters API works properly with RedefineClasses
emc
parents:
8031
diff
changeset
|
527 { return constMethod()->has_method_parameters(); } |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
528 int method_parameters_length() const |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
529 { return constMethod()->method_parameters_length(); } |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
530 MethodParametersElement* method_parameters_start() const |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
531 { return constMethod()->method_parameters_start(); } |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
532 |
0 | 533 // checked exceptions |
534 int checked_exceptions_length() const | |
535 { return constMethod()->checked_exceptions_length(); } | |
536 CheckedExceptionElement* checked_exceptions_start() const | |
537 { return constMethod()->checked_exceptions_start(); } | |
538 | |
539 // localvariable table | |
540 bool has_localvariable_table() const | |
541 { return constMethod()->has_localvariable_table(); } | |
542 int localvariable_table_length() const | |
543 { return constMethod()->localvariable_table_length(); } | |
544 LocalVariableTableElement* localvariable_table_start() const | |
545 { return constMethod()->localvariable_table_start(); } | |
546 | |
547 bool has_linenumber_table() const | |
548 { return constMethod()->has_linenumber_table(); } | |
549 u_char* compressed_linenumber_table() const | |
550 { return constMethod()->compressed_linenumber_table(); } | |
551 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
552 // method holder (the Klass* holding this method) |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
553 InstanceKlass* method_holder() const { return constants()->pool_holder(); } |
0 | 554 |
555 void compute_size_of_parameters(Thread *thread); // word size of parameters (receiver if any + arguments) | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
556 Symbol* klass_name() const; // returns the name of the method holder |
0 | 557 BasicType result_type() const; // type of the method result |
558 int result_type_index() const; // type index of the method result | |
559 bool is_returning_oop() const { BasicType r = result_type(); return (r == T_OBJECT || r == T_ARRAY); } | |
560 bool is_returning_fp() const { BasicType r = result_type(); return (r == T_FLOAT || r == T_DOUBLE); } | |
561 | |
562 // Checked exceptions thrown by this method (resolved to mirrors) | |
563 objArrayHandle resolved_checked_exceptions(TRAPS) { return resolved_checked_exceptions_impl(this, THREAD); } | |
564 | |
565 // Access flags | |
566 bool is_public() const { return access_flags().is_public(); } | |
567 bool is_private() const { return access_flags().is_private(); } | |
568 bool is_protected() const { return access_flags().is_protected(); } | |
569 bool is_package_private() const { return !is_public() && !is_private() && !is_protected(); } | |
570 bool is_static() const { return access_flags().is_static(); } | |
571 bool is_final() const { return access_flags().is_final(); } | |
572 bool is_synchronized() const { return access_flags().is_synchronized();} | |
573 bool is_native() const { return access_flags().is_native(); } | |
574 bool is_abstract() const { return access_flags().is_abstract(); } | |
575 bool is_strict() const { return access_flags().is_strict(); } | |
576 bool is_synthetic() const { return access_flags().is_synthetic(); } | |
577 | |
578 // returns true if contains only return operation | |
579 bool is_empty_method() const; | |
580 | |
581 // returns true if this is a vanilla constructor | |
582 bool is_vanilla_constructor() const; | |
583 | |
584 // checks method and its method holder | |
585 bool is_final_method() const; | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
586 bool is_final_method(AccessFlags class_access_flags) const; |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12264
diff
changeset
|
587 bool is_default_method() const; |
0 | 588 |
589 // true if method needs no dynamic dispatch (final and/or no vtable entry) | |
590 bool can_be_statically_bound() const; | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12170
diff
changeset
|
591 bool can_be_statically_bound(AccessFlags class_access_flags) const; |
0 | 592 |
593 // returns true if the method has any backward branches. | |
594 bool has_loops() { | |
595 return access_flags().loops_flag_init() ? access_flags().has_loops() : compute_has_loops_flag(); | |
596 }; | |
597 | |
598 bool compute_has_loops_flag(); | |
599 | |
600 bool has_jsrs() { | |
601 return access_flags().has_jsrs(); | |
602 }; | |
603 void set_has_jsrs() { | |
604 _access_flags.set_has_jsrs(); | |
605 } | |
606 | |
607 // returns true if the method has any monitors. | |
608 bool has_monitors() const { return is_synchronized() || access_flags().has_monitor_bytecodes(); } | |
609 bool has_monitor_bytecodes() const { return access_flags().has_monitor_bytecodes(); } | |
610 | |
611 void set_has_monitor_bytecodes() { _access_flags.set_has_monitor_bytecodes(); } | |
612 | |
613 // monitor matching. This returns a conservative estimate of whether the monitorenter/monitorexit bytecodes | |
614 // propererly nest in the method. It might return false, even though they actually nest properly, since the info. | |
615 // has not been computed yet. | |
616 bool guaranteed_monitor_matching() const { return access_flags().is_monitor_matching(); } | |
617 void set_guaranteed_monitor_matching() { _access_flags.set_monitor_matching(); } | |
618 | |
619 // returns true if the method is an accessor function (setter/getter). | |
620 bool is_accessor() const; | |
621 | |
622 // returns true if the method is an initializer (<init> or <clinit>). | |
623 bool is_initializer() const; | |
624 | |
2334
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
625 // returns true if the method is static OR if the classfile version < 51 |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
626 bool has_valid_initializer_flags() const; |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
627 |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
628 // returns true if the method name is <clinit> and the method has |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
629 // valid static initializer flags. |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
630 bool is_static_initializer() const; |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
631 |
0 | 632 // compiled code support |
633 // NOTE: code() is inherently racy as deopt can be clearing code | |
634 // simultaneously. Use with caution. | |
635 bool has_compiled_code() const { return code() != NULL; } | |
636 | |
637 // sizing | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
638 static int header_size() { return sizeof(Method)/HeapWordSize; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
639 static int size(bool is_native); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
640 int size() const { return method_size(); } |
7956 | 641 #if INCLUDE_SERVICES |
642 void collect_statistics(KlassSizeStats *sz) const; | |
643 #endif | |
0 | 644 |
645 // interpreter support | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
646 static ByteSize const_offset() { return byte_offset_of(Method, _constMethod ); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
647 static ByteSize access_flags_offset() { return byte_offset_of(Method, _access_flags ); } |
0 | 648 #ifdef CC_INTERP |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
649 static ByteSize result_index_offset() { return byte_offset_of(Method, _result_index ); } |
0 | 650 #endif /* CC_INTERP */ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
651 static ByteSize from_compiled_offset() { return byte_offset_of(Method, _from_compiled_entry); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
652 static ByteSize code_offset() { return byte_offset_of(Method, _code); } |
0 | 653 static ByteSize method_data_offset() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
654 return byte_offset_of(Method, _method_data); |
0 | 655 } |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
656 static ByteSize method_counters_offset() { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
657 return byte_offset_of(Method, _method_counters); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
658 } |
0 | 659 #ifndef PRODUCT |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
660 static ByteSize compiled_invocation_counter_offset() { return byte_offset_of(Method, _compiled_invocation_count); } |
0 | 661 #endif // not PRODUCT |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
662 static ByteSize native_function_offset() { return in_ByteSize(sizeof(Method)); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
663 static ByteSize from_interpreted_offset() { return byte_offset_of(Method, _from_interpreted_entry ); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
664 static ByteSize interpreter_entry_offset() { return byte_offset_of(Method, _i2i_entry ); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
665 static ByteSize signature_handler_offset() { return in_ByteSize(sizeof(Method) + wordSize); } |
0 | 666 |
667 // for code generation | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
668 static int method_data_offset_in_bytes() { return offset_of(Method, _method_data); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
669 static int intrinsic_id_offset_in_bytes() { return offset_of(Method, _intrinsic_id); } |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1783
diff
changeset
|
670 static int intrinsic_id_size_in_bytes() { return sizeof(u1); } |
0 | 671 |
672 // Static methods that are used to implement member methods where an exposed this pointer | |
673 // is needed due to possible GCs | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
674 static objArrayHandle resolved_checked_exceptions_impl(Method* this_oop, TRAPS); |
0 | 675 |
676 // Returns the byte code index from the byte code pointer | |
677 int bci_from(address bcp) const; | |
678 address bcp_from(int bci) const; | |
679 int validate_bci_from_bcx(intptr_t bcx) const; | |
680 | |
681 // Returns the line number for a bci if debugging information for the method is prowided, | |
682 // -1 is returned otherwise. | |
683 int line_number_from_bci(int bci) const; | |
684 | |
685 // Reflection support | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
686 bool is_overridden_in(Klass* k) const; |
0 | 687 |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
688 // Stack walking support |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
689 bool is_ignored_by_security_stack_walk() const; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
690 |
710 | 691 // JSR 292 support |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
692 bool is_method_handle_intrinsic() const; // MethodHandles::is_signature_polymorphic_intrinsic(intrinsic_id) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
693 bool is_compiled_lambda_form() const; // intrinsic_id() == vmIntrinsics::_compiledLambdaForm |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
694 bool has_member_arg() const; // intrinsic_id() == vmIntrinsics::_linkToSpecial, etc. |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
695 static methodHandle make_method_handle_intrinsic(vmIntrinsics::ID iid, // _invokeBasic, _linkToVirtual |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
696 Symbol* signature, //anything at all |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
697 TRAPS); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
698 static Klass* check_non_bcp_klass(Klass* klass); |
10393
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10267
diff
changeset
|
699 |
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10267
diff
changeset
|
700 // How many extra stack entries for invokedynamic when it's enabled |
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10267
diff
changeset
|
701 static const int extra_stack_entries_for_jsr292 = 1; |
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10267
diff
changeset
|
702 |
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10267
diff
changeset
|
703 // this operates only on invoke methods: |
710 | 704 // presize interpreter frames for extra interpreter stack entries, if needed |
10393
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10267
diff
changeset
|
705 // Account for the extra appendix argument for invokehandle/invokedynamic |
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10267
diff
changeset
|
706 static int extra_stack_entries() { return EnableInvokeDynamic ? extra_stack_entries_for_jsr292 : 0; } |
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10267
diff
changeset
|
707 static int extra_stack_words(); // = extra_stack_entries() * Interpreter::stackElementSize |
1152
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1138
diff
changeset
|
708 |
0 | 709 // RedefineClasses() support: |
710 bool is_old() const { return access_flags().is_old(); } | |
711 void set_is_old() { _access_flags.set_is_old(); } | |
712 bool is_obsolete() const { return access_flags().is_obsolete(); } | |
713 void set_is_obsolete() { _access_flags.set_is_obsolete(); } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
714 bool on_stack() const { return access_flags().on_stack(); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
715 void set_on_stack(const bool value); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
716 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
717 // see the definition in Method*.cpp for the gory details |
48
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
718 bool should_not_be_cached() const; |
0 | 719 |
720 // JVMTI Native method prefixing support: | |
721 bool is_prefixed_native() const { return access_flags().is_prefixed_native(); } | |
722 void set_is_prefixed_native() { _access_flags.set_is_prefixed_native(); } | |
723 | |
724 // Rewriting support | |
725 static methodHandle clone_with_new_data(methodHandle m, u_char* new_code, int new_code_length, | |
726 u_char* new_compressed_linenumber_table, int new_compressed_linenumber_size, TRAPS); | |
727 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
728 // jmethodID handling |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
729 // Because the useful life-span of a jmethodID cannot be determined, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
730 // once created they are never reclaimed. The methods to which they refer, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
731 // however, can be GC'ed away if the class is unloaded or if the method is |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
732 // made obsolete or deleted -- in these cases, the jmethodID |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
733 // refers to NULL (as is the case for any weak reference). |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
734 static jmethodID make_jmethod_id(ClassLoaderData* loader_data, Method* mh); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
735 static void destroy_jmethod_id(ClassLoaderData* loader_data, jmethodID mid); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
736 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
737 // Use resolve_jmethod_id() in situations where the caller is expected |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
738 // to provide a valid jmethodID; the only sanity checks are in asserts; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
739 // result guaranteed not to be NULL. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
740 inline static Method* resolve_jmethod_id(jmethodID mid) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
741 assert(mid != NULL, "JNI method id should not be null"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
742 return *((Method**)mid); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
743 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
744 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
745 // Use checked_resolve_jmethod_id() in situations where the caller |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
746 // should provide a valid jmethodID, but might not. NULL is returned |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
747 // when the jmethodID does not refer to a valid method. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
748 static Method* checked_resolve_jmethod_id(jmethodID mid); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
749 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
750 static void change_method_associated_with_jmethod_id(jmethodID old_jmid_ptr, Method* new_method); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
751 static bool is_method_id(jmethodID mid); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
752 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
753 // Clear methods |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
754 static void clear_jmethod_ids(ClassLoaderData* loader_data); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
755 static void print_jmethod_ids(ClassLoaderData* loader_data, outputStream* out) PRODUCT_RETURN; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
756 |
0 | 757 // Get this method's jmethodID -- allocate if it doesn't exist |
758 jmethodID jmethod_id() { methodHandle this_h(this); | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
759 return InstanceKlass::get_jmethod_id(method_holder(), this_h); } |
0 | 760 |
761 // Lookup the jmethodID for this method. Return NULL if not found. | |
762 // NOTE that this function can be called from a signal handler | |
763 // (see AsyncGetCallTrace support for Forte Analyzer) and this | |
764 // needs to be async-safe. No allocation should be done and | |
765 // so handles are not used to avoid deadlock. | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
766 jmethodID find_jmethod_id_or_null() { return method_holder()->jmethod_id_or_null(this); } |
0 | 767 |
768 // Support for inlining of intrinsic methods | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
769 vmIntrinsics::ID intrinsic_id() const { return (vmIntrinsics::ID) _intrinsic_id; } |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
770 void set_intrinsic_id(vmIntrinsics::ID id) { _intrinsic_id = (u1) id; } |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
771 |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
772 // Helper routines for intrinsic_id() and vmIntrinsics::method(). |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
773 void init_intrinsic_id(); // updates from _none if a match |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
774 static vmSymbols::SID klass_id_for_intrinsics(Klass* holder); |
0 | 775 |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
776 bool jfr_towrite() { return _jfr_towrite; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
777 void set_jfr_towrite(bool x) { _jfr_towrite = x; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
778 bool caller_sensitive() { return _caller_sensitive; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
779 void set_caller_sensitive(bool x) { _caller_sensitive = x; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
780 bool force_inline() { return _force_inline; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
781 void set_force_inline(bool x) { _force_inline = x; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
782 bool dont_inline() { return _dont_inline; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
783 void set_dont_inline(bool x) { _dont_inline = x; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
784 bool is_hidden() { return _hidden; } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8068
diff
changeset
|
785 void set_hidden(bool x) { _hidden = x; } |
6934 | 786 ConstMethod::MethodType method_type() const { |
787 return _constMethod->method_type(); | |
788 } | |
789 bool is_overpass() const { return method_type() == ConstMethod::OVERPASS; } | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6146
diff
changeset
|
790 |
0 | 791 // On-stack replacement support |
1783 | 792 bool has_osr_nmethod(int level, bool match_level) { |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
793 return method_holder()->lookup_osr_nmethod(this, InvocationEntryBci, level, match_level) != NULL; |
1783 | 794 } |
795 | |
796 nmethod* lookup_osr_nmethod_for(int bci, int level, bool match_level) { | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
797 return method_holder()->lookup_osr_nmethod(this, bci, level, match_level); |
1783 | 798 } |
0 | 799 |
800 // Inline cache support | |
801 void cleanup_inline_caches(); | |
802 | |
803 // Find if klass for method is loaded | |
804 bool is_klass_loaded_by_klass_index(int klass_index) const; | |
805 bool is_klass_loaded(int refinfo_index, bool must_be_resolved = false) const; | |
806 | |
807 // Indicates whether compilation failed earlier for this method, or | |
808 // whether it is not compilable for another reason like having a | |
809 // breakpoint set in it. | |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
810 bool is_not_compilable(int comp_level = CompLevel_any) const; |
7998 | 811 void set_not_compilable(int comp_level = CompLevel_all, bool report = true, const char* reason = NULL); |
1783 | 812 void set_not_compilable_quietly(int comp_level = CompLevel_all) { |
1208
cef333a48af6
6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
kvn
parents:
1202
diff
changeset
|
813 set_not_compilable(comp_level, false); |
cef333a48af6
6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
kvn
parents:
1202
diff
changeset
|
814 } |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
815 bool is_not_osr_compilable(int comp_level = CompLevel_any) const; |
7998 | 816 void set_not_osr_compilable(int comp_level = CompLevel_all, bool report = true, const char* reason = NULL); |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
817 void set_not_osr_compilable_quietly(int comp_level = CompLevel_all) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
818 set_not_osr_compilable(comp_level, false); |
1783 | 819 } |
12170
8947af8a9cec
8023976: assert(!CompilationPolicy::can_be_compiled(this, comp_level)) failed: sanity check
vlivanov
parents:
10393
diff
changeset
|
820 bool is_always_compilable() const; |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
821 |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
822 private: |
7998 | 823 void print_made_not_compilable(int comp_level, bool is_osr, bool report, const char* reason); |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
824 |
12868
c775af091fe9
8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents:
12264
diff
changeset
|
825 public: |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
826 MethodCounters* get_method_counters(TRAPS) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
827 if (_method_counters == NULL) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
828 build_method_counters(this, CHECK_AND_CLEAR_NULL); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
829 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
830 return _method_counters; |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
831 } |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8866
diff
changeset
|
832 |
9080
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
833 bool is_not_c1_compilable() const { return access_flags().is_not_c1_compilable(); } |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
834 void set_not_c1_compilable() { _access_flags.set_not_c1_compilable(); } |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
835 void clear_not_c1_compilable() { _access_flags.clear_not_c1_compilable(); } |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
836 bool is_not_c2_compilable() const { return access_flags().is_not_c2_compilable(); } |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
837 void set_not_c2_compilable() { _access_flags.set_not_c2_compilable(); } |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
838 void clear_not_c2_compilable() { _access_flags.clear_not_c2_compilable(); } |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
839 |
9080
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
840 bool is_not_c1_osr_compilable() const { return is_not_c1_compilable(); } // don't waste an accessFlags bit |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
841 void set_not_c1_osr_compilable() { set_not_c1_compilable(); } // don't waste an accessFlags bit |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
842 void clear_not_c1_osr_compilable() { clear_not_c1_compilable(); } // don't waste an accessFlags bit |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
843 bool is_not_c2_osr_compilable() const { return access_flags().is_not_c2_osr_compilable(); } |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
844 void set_not_c2_osr_compilable() { _access_flags.set_not_c2_osr_compilable(); } |
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8866
diff
changeset
|
845 void clear_not_c2_osr_compilable() { _access_flags.clear_not_c2_osr_compilable(); } |
0 | 846 |
847 // Background compilation support | |
1783 | 848 bool queued_for_compilation() const { return access_flags().queued_for_compilation(); } |
849 void set_queued_for_compilation() { _access_flags.set_queued_for_compilation(); } | |
850 void clear_queued_for_compilation() { _access_flags.clear_queued_for_compilation(); } | |
0 | 851 |
852 // Resolve all classes in signature, return 'true' if successful | |
853 static bool load_signature_classes(methodHandle m, TRAPS); | |
854 | |
855 // Return if true if not all classes references in signature, including return type, has been loaded | |
856 static bool has_unloaded_classes_in_signature(methodHandle m, TRAPS); | |
857 | |
858 // Printing | |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7969
diff
changeset
|
859 void print_short_name(outputStream* st = tty); // prints as klassname::methodname; Exposed so field engineers can debug VM |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7969
diff
changeset
|
860 #if INCLUDE_JVMTI |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7969
diff
changeset
|
861 void print_name(outputStream* st = tty); // prints as "virtual void foo(int)"; exposed for TraceRedefineClasses |
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7969
diff
changeset
|
862 #else |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
863 void print_name(outputStream* st = tty) PRODUCT_RETURN; // prints as "virtual void foo(int)" |
8021
8d9fc28831cc
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
7969
diff
changeset
|
864 #endif |
0 | 865 |
866 // Helper routine used for method sorting | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12264
diff
changeset
|
867 static void sort_methods(Array<Method*>* methods, bool idempotent = false, bool set_idnums = true); |
0 | 868 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
869 // Deallocation function for redefine classes or if an error occurs |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
870 void deallocate_contents(ClassLoaderData* loader_data); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
871 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
872 // Printing |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
873 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
874 void print_on(outputStream* st) const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
875 #endif |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
876 void print_value_on(outputStream* st) const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
877 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
878 const char* internal_name() const { return "{method}"; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
879 |
7176
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6940
diff
changeset
|
880 // Check for valid method pointer |
17935
7384f6a12fc1
8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents:
17883
diff
changeset
|
881 static bool has_method_vptr(const void* ptr); |
7176
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6940
diff
changeset
|
882 bool is_valid_method() const; |
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6940
diff
changeset
|
883 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
884 // Verify |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
885 void verify() { verify_on(tty); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
886 void verify_on(outputStream* st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
887 |
0 | 888 private: |
889 | |
890 // Inlined elements | |
891 address* native_function_addr() const { assert(is_native(), "must be native"); return (address*) (this+1); } | |
892 address* signature_handler_addr() const { return native_function_addr() + 1; } | |
893 }; | |
894 | |
895 | |
896 // Utility class for compressing line number tables | |
897 | |
898 class CompressedLineNumberWriteStream: public CompressedWriteStream { | |
899 private: | |
900 int _bci; | |
901 int _line; | |
902 public: | |
903 // Constructor | |
904 CompressedLineNumberWriteStream(int initial_size) : CompressedWriteStream(initial_size), _bci(0), _line(0) {} | |
905 CompressedLineNumberWriteStream(u_char* buffer, int initial_size) : CompressedWriteStream(buffer, initial_size), _bci(0), _line(0) {} | |
906 | |
907 // Write (bci, line number) pair to stream | |
908 void write_pair_regular(int bci_delta, int line_delta); | |
909 | |
910 inline void write_pair_inline(int bci, int line) { | |
911 int bci_delta = bci - _bci; | |
912 int line_delta = line - _line; | |
913 _bci = bci; | |
914 _line = line; | |
915 // Skip (0,0) deltas - they do not add information and conflict with terminator. | |
916 if (bci_delta == 0 && line_delta == 0) return; | |
917 // Check if bci is 5-bit and line number 3-bit unsigned. | |
918 if (((bci_delta & ~0x1F) == 0) && ((line_delta & ~0x7) == 0)) { | |
919 // Compress into single byte. | |
920 jubyte value = ((jubyte) bci_delta << 3) | (jubyte) line_delta; | |
921 // Check that value doesn't match escape character. | |
922 if (value != 0xFF) { | |
923 write_byte(value); | |
924 return; | |
925 } | |
926 } | |
927 write_pair_regular(bci_delta, line_delta); | |
928 } | |
929 | |
930 // Windows AMD64 + Apr 2005 PSDK with /O2 generates bad code for write_pair. | |
931 // Disabling optimization doesn't work for methods in header files | |
932 // so we force it to call through the non-optimized version in the .cpp. | |
933 // It's gross, but it's the only way we can ensure that all callers are | |
2233
15d6977f04b0
7017824: Add support for creating 64-bit Visual Studio projects
sla
parents:
2177
diff
changeset
|
934 // fixed. _MSC_VER is defined by the windows compiler |
15d6977f04b0
7017824: Add support for creating 64-bit Visual Studio projects
sla
parents:
2177
diff
changeset
|
935 #if defined(_M_AMD64) && _MSC_VER >= 1400 |
0 | 936 void write_pair(int bci, int line); |
937 #else | |
938 void write_pair(int bci, int line) { write_pair_inline(bci, line); } | |
939 #endif | |
940 | |
941 // Write end-of-stream marker | |
942 void write_terminator() { write_byte(0); } | |
943 }; | |
944 | |
945 | |
946 // Utility class for decompressing line number tables | |
947 | |
948 class CompressedLineNumberReadStream: public CompressedReadStream { | |
949 private: | |
950 int _bci; | |
951 int _line; | |
952 public: | |
953 // Constructor | |
954 CompressedLineNumberReadStream(u_char* buffer); | |
955 // Read (bci, line number) pair from stream. Returns false at end-of-stream. | |
956 bool read_pair(); | |
957 // Accessing bci and line number (after calling read_pair) | |
958 int bci() const { return _bci; } | |
959 int line() const { return _line; } | |
960 }; | |
961 | |
962 | |
963 /// Fast Breakpoints. | |
964 | |
965 // If this structure gets more complicated (because bpts get numerous), | |
966 // move it into its own header. | |
967 | |
968 // There is presently no provision for concurrent access | |
969 // to breakpoint lists, which is only OK for JVMTI because | |
970 // breakpoints are written only at safepoints, and are read | |
971 // concurrently only outside of safepoints. | |
972 | |
6197 | 973 class BreakpointInfo : public CHeapObj<mtClass> { |
0 | 974 friend class VMStructs; |
975 private: | |
976 Bytecodes::Code _orig_bytecode; | |
977 int _bci; | |
978 u2 _name_index; // of method | |
979 u2 _signature_index; // of method | |
980 BreakpointInfo* _next; // simple storage allocation | |
981 | |
982 public: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
983 BreakpointInfo(Method* m, int bci); |
0 | 984 |
985 // accessors | |
986 Bytecodes::Code orig_bytecode() { return _orig_bytecode; } | |
987 void set_orig_bytecode(Bytecodes::Code code) { _orig_bytecode = code; } | |
988 int bci() { return _bci; } | |
989 | |
990 BreakpointInfo* next() const { return _next; } | |
991 void set_next(BreakpointInfo* n) { _next = n; } | |
992 | |
993 // helps for searchers | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
994 bool match(const Method* m, int bci) { |
0 | 995 return bci == _bci && match(m); |
996 } | |
997 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
998 bool match(const Method* m) { |
0 | 999 return _name_index == m->name_index() && |
1000 _signature_index == m->signature_index(); | |
1001 } | |
1002 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1003 void set(Method* method); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1004 void clear(Method* method); |
0 | 1005 }; |
1972 | 1006 |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1007 // Utility class for access exception handlers |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1008 class ExceptionTable : public StackObj { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1009 private: |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1010 ExceptionTableElement* _table; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1011 u2 _length; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1012 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1013 public: |
10265
92ef81e2f571
8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents:
10107
diff
changeset
|
1014 ExceptionTable(const Method* m) { |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1015 if (m->has_exception_handler()) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1016 _table = m->exception_table_start(); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1017 _length = m->exception_table_length(); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1018 } else { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1019 _table = NULL; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1020 _length = 0; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1021 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1022 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1023 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1024 int length() const { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1025 return _length; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1026 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1027 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1028 u2 start_pc(int idx) const { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1029 assert(idx < _length, "out of bounds"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1030 return _table[idx].start_pc; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1031 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1032 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1033 void set_start_pc(int idx, u2 value) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1034 assert(idx < _length, "out of bounds"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1035 _table[idx].start_pc = value; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1036 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1037 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1038 u2 end_pc(int idx) const { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1039 assert(idx < _length, "out of bounds"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1040 return _table[idx].end_pc; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1041 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1042 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1043 void set_end_pc(int idx, u2 value) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1044 assert(idx < _length, "out of bounds"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1045 _table[idx].end_pc = value; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1046 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1047 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1048 u2 handler_pc(int idx) const { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1049 assert(idx < _length, "out of bounds"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1050 return _table[idx].handler_pc; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1051 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1052 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1053 void set_handler_pc(int idx, u2 value) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1054 assert(idx < _length, "out of bounds"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1055 _table[idx].handler_pc = value; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1056 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1057 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1058 u2 catch_type_index(int idx) const { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1059 assert(idx < _length, "out of bounds"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1060 return _table[idx].catch_type_index; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1061 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1062 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1063 void set_catch_type_index(int idx, u2 value) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1064 assert(idx < _length, "out of bounds"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1065 _table[idx].catch_type_index = value; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1066 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1067 }; |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
1068 |
1972 | 1069 #endif // SHARE_VM_OOPS_METHODOOP_HPP |