Mercurial > hg > graal-compiler
annotate src/share/vm/utilities/accessFlags.hpp @ 1783:d5d065957597
6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti
author | iveresov |
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date | Fri, 03 Sep 2010 17:51:07 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
1783 | 2 * Copyright (c) 1997, 2010, 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
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // AccessFlags is an abstraction over Java access flags. | |
26 | |
27 | |
28 enum { | |
29 // See jvm.h for shared JVM_ACC_XXX access flags | |
30 | |
31 // HotSpot-specific access flags | |
32 | |
33 // flags actually put in .class file | |
34 JVM_ACC_WRITTEN_FLAGS = 0x00007FFF, | |
35 | |
36 // methodOop flags | |
37 JVM_ACC_MONITOR_MATCH = 0x10000000, // True if we know that monitorenter/monitorexit bytecodes match | |
38 JVM_ACC_HAS_MONITOR_BYTECODES = 0x20000000, // Method contains monitorenter/monitorexit bytecodes | |
39 JVM_ACC_HAS_LOOPS = 0x40000000, // Method has loops | |
40 JVM_ACC_LOOPS_FLAG_INIT = (int)0x80000000,// The loop flag has been initialized | |
41 JVM_ACC_QUEUED = 0x01000000, // Queued for compilation | |
1783 | 42 JVM_ACC_NOT_C2_COMPILABLE = 0x02000000, |
43 JVM_ACC_NOT_C1_COMPILABLE = 0x04000000, | |
0 | 44 JVM_ACC_NOT_OSR_COMPILABLE = 0x08000000, |
45 JVM_ACC_HAS_LINE_NUMBER_TABLE = 0x00100000, | |
46 JVM_ACC_HAS_CHECKED_EXCEPTIONS = 0x00400000, | |
47 JVM_ACC_HAS_JSRS = 0x00800000, | |
48 JVM_ACC_IS_OLD = 0x00010000, // RedefineClasses() has replaced this method | |
49 JVM_ACC_IS_OBSOLETE = 0x00020000, // RedefineClasses() has made method obsolete | |
50 JVM_ACC_IS_PREFIXED_NATIVE = 0x00040000, // JVMTI has prefixed this native method | |
1783 | 51 |
710 | 52 JVM_MH_INVOKE_BITS // = 0x10001100 // MethodHandle.invoke quasi-native |
53 = (JVM_ACC_NATIVE | JVM_ACC_SYNTHETIC | JVM_ACC_MONITOR_MATCH), | |
0 | 54 |
55 // klassOop flags | |
56 JVM_ACC_HAS_MIRANDA_METHODS = 0x10000000, // True if this class has miranda methods in it's vtable | |
57 JVM_ACC_HAS_VANILLA_CONSTRUCTOR = 0x20000000, // True if klass has a vanilla default constructor | |
58 JVM_ACC_HAS_FINALIZER = 0x40000000, // True if klass has a non-empty finalize() method | |
59 JVM_ACC_IS_CLONEABLE = (int)0x80000000,// True if klass supports the Clonable interface | |
60 JVM_ACC_HAS_FINAL_METHOD = 0x01000000, // True if klass has final method | |
61 | |
62 // klassOop and methodOop flags | |
63 JVM_ACC_HAS_LOCAL_VARIABLE_TABLE= 0x00200000, | |
64 | |
65 JVM_ACC_PROMOTED_FLAGS = 0x00200000, // flags promoted from methods to the holding klass | |
66 | |
67 // field flags | |
68 // Note: these flags must be defined in the low order 16 bits because | |
69 // instanceKlass only stores a ushort worth of information from the | |
70 // AccessFlags value. | |
71 // These bits must not conflict with any other field-related access flags | |
72 // (e.g., ACC_ENUM). | |
73 // Note that the class-related ACC_ANNOTATION bit conflicts with these flags. | |
74 JVM_ACC_FIELD_ACCESS_WATCHED = 0x00002000, // field access is watched by JVMTI | |
75 JVM_ACC_FIELD_MODIFICATION_WATCHED = 0x00008000, // field modification is watched by JVMTI | |
76 | |
77 // flags accepted by set_field_flags() | |
78 JVM_ACC_FIELD_FLAGS = 0x00008000 | JVM_ACC_WRITTEN_FLAGS | |
710 | 79 |
0 | 80 }; |
81 | |
82 | |
83 class AccessFlags VALUE_OBJ_CLASS_SPEC { | |
84 friend class VMStructs; | |
85 private: | |
86 jint _flags; | |
87 | |
88 public: | |
89 // Java access flags | |
90 bool is_public () const { return (_flags & JVM_ACC_PUBLIC ) != 0; } | |
91 bool is_private () const { return (_flags & JVM_ACC_PRIVATE ) != 0; } | |
92 bool is_protected () const { return (_flags & JVM_ACC_PROTECTED ) != 0; } | |
93 bool is_static () const { return (_flags & JVM_ACC_STATIC ) != 0; } | |
94 bool is_final () const { return (_flags & JVM_ACC_FINAL ) != 0; } | |
95 bool is_synchronized() const { return (_flags & JVM_ACC_SYNCHRONIZED) != 0; } | |
96 bool is_super () const { return (_flags & JVM_ACC_SUPER ) != 0; } | |
97 bool is_volatile () const { return (_flags & JVM_ACC_VOLATILE ) != 0; } | |
98 bool is_transient () const { return (_flags & JVM_ACC_TRANSIENT ) != 0; } | |
99 bool is_native () const { return (_flags & JVM_ACC_NATIVE ) != 0; } | |
100 bool is_interface () const { return (_flags & JVM_ACC_INTERFACE ) != 0; } | |
101 bool is_abstract () const { return (_flags & JVM_ACC_ABSTRACT ) != 0; } | |
102 bool is_strict () const { return (_flags & JVM_ACC_STRICT ) != 0; } | |
103 | |
104 // Attribute flags | |
105 bool is_synthetic () const { return (_flags & JVM_ACC_SYNTHETIC ) != 0; } | |
106 | |
107 // methodOop flags | |
108 bool is_monitor_matching () const { return (_flags & JVM_ACC_MONITOR_MATCH ) != 0; } | |
109 bool has_monitor_bytecodes () const { return (_flags & JVM_ACC_HAS_MONITOR_BYTECODES ) != 0; } | |
110 bool has_loops () const { return (_flags & JVM_ACC_HAS_LOOPS ) != 0; } | |
111 bool loops_flag_init () const { return (_flags & JVM_ACC_LOOPS_FLAG_INIT ) != 0; } | |
112 bool queued_for_compilation () const { return (_flags & JVM_ACC_QUEUED ) != 0; } | |
1783 | 113 bool is_not_c1_compilable () const { return (_flags & JVM_ACC_NOT_C1_COMPILABLE ) != 0; } |
114 bool is_not_c2_compilable () const { return (_flags & JVM_ACC_NOT_C2_COMPILABLE ) != 0; } | |
0 | 115 bool is_not_osr_compilable () const { return (_flags & JVM_ACC_NOT_OSR_COMPILABLE ) != 0; } |
116 bool has_linenumber_table () const { return (_flags & JVM_ACC_HAS_LINE_NUMBER_TABLE ) != 0; } | |
117 bool has_checked_exceptions () const { return (_flags & JVM_ACC_HAS_CHECKED_EXCEPTIONS ) != 0; } | |
118 bool has_jsrs () const { return (_flags & JVM_ACC_HAS_JSRS ) != 0; } | |
119 bool is_old () const { return (_flags & JVM_ACC_IS_OLD ) != 0; } | |
120 bool is_obsolete () const { return (_flags & JVM_ACC_IS_OBSOLETE ) != 0; } | |
121 bool is_prefixed_native () const { return (_flags & JVM_ACC_IS_PREFIXED_NATIVE ) != 0; } | |
122 | |
710 | 123 // JSR 292: A method of the form MethodHandle.invoke(A...)R method is |
124 // neither bytecoded nor a JNI native, but rather a fast call through | |
125 // a lightweight method handle object. Because it is not bytecoded, | |
126 // it has the native bit set, but the monitor-match bit is also set | |
127 // to distinguish it from a JNI native (which never has the match bit set). | |
128 // The synthetic bit is also present, because such a method is never | |
129 // explicitly defined in Java code. | |
130 bool is_method_handle_invoke () const { return (_flags & JVM_MH_INVOKE_BITS) == JVM_MH_INVOKE_BITS; } | |
131 | |
0 | 132 // klassOop flags |
133 bool has_miranda_methods () const { return (_flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; } | |
134 bool has_vanilla_constructor () const { return (_flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; } | |
135 bool has_finalizer () const { return (_flags & JVM_ACC_HAS_FINALIZER ) != 0; } | |
136 bool has_final_method () const { return (_flags & JVM_ACC_HAS_FINAL_METHOD ) != 0; } | |
137 bool is_cloneable () const { return (_flags & JVM_ACC_IS_CLONEABLE ) != 0; } | |
138 // klassOop and methodOop flags | |
139 bool has_localvariable_table () const { return (_flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE) != 0; } | |
140 void set_has_localvariable_table() { atomic_set_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); } | |
141 void clear_has_localvariable_table() { atomic_clear_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); } | |
142 | |
143 // field flags | |
144 bool is_field_access_watched() const { return (_flags & JVM_ACC_FIELD_ACCESS_WATCHED) != 0; } | |
145 bool is_field_modification_watched() const | |
146 { return (_flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; } | |
147 | |
148 // get .class file flags | |
149 jint get_flags () const { return (_flags & JVM_ACC_WRITTEN_FLAGS); } | |
150 | |
151 // Initialization | |
152 void add_promoted_flags(jint flags) { _flags |= (flags & JVM_ACC_PROMOTED_FLAGS); } | |
153 void set_field_flags(jint flags) { _flags = (flags & JVM_ACC_FIELD_FLAGS); } | |
154 void set_flags(jint flags) { _flags = (flags & JVM_ACC_WRITTEN_FLAGS); } | |
155 | |
156 void set_queued_for_compilation() { atomic_set_bits(JVM_ACC_QUEUED); } | |
157 void clear_queued_for_compilation() { atomic_clear_bits(JVM_ACC_QUEUED); } | |
158 | |
159 // Atomic update of flags | |
160 void atomic_set_bits(jint bits); | |
161 void atomic_clear_bits(jint bits); | |
162 | |
163 private: | |
164 friend class methodOopDesc; | |
165 friend class Klass; | |
166 friend class ClassFileParser; | |
167 // the functions below should only be called on the _access_flags inst var directly, | |
168 // otherwise they are just changing a copy of the flags | |
169 | |
170 // attribute flags | |
171 void set_is_synthetic() { atomic_set_bits(JVM_ACC_SYNTHETIC); } | |
172 | |
173 // methodOop flags | |
174 void set_monitor_matching() { atomic_set_bits(JVM_ACC_MONITOR_MATCH); } | |
175 void set_has_monitor_bytecodes() { atomic_set_bits(JVM_ACC_HAS_MONITOR_BYTECODES); } | |
176 void set_has_loops() { atomic_set_bits(JVM_ACC_HAS_LOOPS); } | |
177 void set_loops_flag_init() { atomic_set_bits(JVM_ACC_LOOPS_FLAG_INIT); } | |
1783 | 178 void set_not_c1_compilable() { atomic_set_bits(JVM_ACC_NOT_C1_COMPILABLE); } |
179 void set_not_c2_compilable() { atomic_set_bits(JVM_ACC_NOT_C2_COMPILABLE); } | |
0 | 180 void set_not_osr_compilable() { atomic_set_bits(JVM_ACC_NOT_OSR_COMPILABLE); } |
181 void set_has_linenumber_table() { atomic_set_bits(JVM_ACC_HAS_LINE_NUMBER_TABLE); } | |
182 void set_has_checked_exceptions() { atomic_set_bits(JVM_ACC_HAS_CHECKED_EXCEPTIONS); } | |
183 void set_has_jsrs() { atomic_set_bits(JVM_ACC_HAS_JSRS); } | |
184 void set_is_old() { atomic_set_bits(JVM_ACC_IS_OLD); } | |
185 void set_is_obsolete() { atomic_set_bits(JVM_ACC_IS_OBSOLETE); } | |
186 void set_is_prefixed_native() { atomic_set_bits(JVM_ACC_IS_PREFIXED_NATIVE); } | |
187 | |
188 // klassOop flags | |
189 void set_has_vanilla_constructor() { atomic_set_bits(JVM_ACC_HAS_VANILLA_CONSTRUCTOR); } | |
190 void set_has_finalizer() { atomic_set_bits(JVM_ACC_HAS_FINALIZER); } | |
191 void set_has_final_method() { atomic_set_bits(JVM_ACC_HAS_FINAL_METHOD); } | |
192 void set_is_cloneable() { atomic_set_bits(JVM_ACC_IS_CLONEABLE); } | |
193 void set_has_miranda_methods() { atomic_set_bits(JVM_ACC_HAS_MIRANDA_METHODS); } | |
194 | |
195 public: | |
196 // field flags | |
197 void set_is_field_access_watched(const bool value) | |
198 { | |
199 if (value) { | |
200 atomic_set_bits(JVM_ACC_FIELD_ACCESS_WATCHED); | |
201 } else { | |
202 atomic_clear_bits(JVM_ACC_FIELD_ACCESS_WATCHED); | |
203 } | |
204 } | |
205 void set_is_field_modification_watched(const bool value) | |
206 { | |
207 if (value) { | |
208 atomic_set_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED); | |
209 } else { | |
210 atomic_clear_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED); | |
211 } | |
212 } | |
213 | |
214 // Conversion | |
215 jshort as_short() { return (jshort)_flags; } | |
216 jint as_int() { return _flags; } | |
217 | |
710 | 218 inline friend AccessFlags accessFlags_from(jint flags); |
219 | |
0 | 220 // Printing/debugging |
221 void print_on(outputStream* st) const PRODUCT_RETURN; | |
222 }; | |
710 | 223 |
224 inline AccessFlags accessFlags_from(jint flags) { | |
225 AccessFlags af; | |
226 af._flags = flags; | |
227 return af; | |
228 } |