Mercurial > hg > truffle

annotate src/share/vm/oops/cpCache.hpp @ 20804:7848fc12602b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge with jdk8u40-b25
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Tue, 07 Apr 2015 14:58:49 +0200
parents 52b4284cb496 ce8f6bb717c9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
17977
0b9500028980 8029381: assert(is_method_type()) failed: bad cast
drchase
parents: 14443
diff changeset
2 * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 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
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
25 #ifndef SHARE_VM_OOPS_CPCACHEOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
26 #define SHARE_VM_OOPS_CPCACHEOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
27
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
28 #include "interpreter/bytecodes.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
29 #include "memory/allocation.hpp"
20197
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp.
goetz
parents: 17977
diff changeset
30 #include "runtime/orderAccess.hpp"
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
31 #include "utilities/array.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
32
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
33 class PSPromotionManager;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
34
13056
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
35 // The ConstantPoolCache is not a cache! It is the resolution table that the
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
36 // interpreter uses to avoid going into the runtime and a way to access resolved
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
37 // values.
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
38
0
a61af66fc99e Initial load
duke
parents:
diff changeset
39 // A ConstantPoolCacheEntry describes an individual entry of the constant
a61af66fc99e Initial load
duke
parents:
diff changeset
40 // pool cache. There's 2 principal kinds of entries: field entries for in-
a61af66fc99e Initial load
duke
parents:
diff changeset
41 // stance & static field access, and method entries for invokes. Some of
a61af66fc99e Initial load
duke
parents:
diff changeset
42 // the entry layout is shared and looks as follows:
a61af66fc99e Initial load
duke
parents:
diff changeset
43 //
a61af66fc99e Initial load
duke
parents:
diff changeset
44 // bit number |31 0|
a61af66fc99e Initial load
duke
parents:
diff changeset
45 // bit length |-8--|-8--|---16----|
a61af66fc99e Initial load
duke
parents:
diff changeset
46 // --------------------------------
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
47 // _indices [ b2 | b1 | index ] index = constant_pool_index
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
48 // _f1 [ entry specific ] metadata ptr (method or klass)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
49 // _f2 [ entry specific ] vtable or res_ref index, or vfinal method ptr
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
50 // _flags [tos|0|F=1|0|0|0|f|v|0 |0000|field_index] (for field entries)
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
51 // bit length [ 4 |1| 1 |1|1|1|1|1|1 |-4--|----16-----]
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
52 // _flags [tos|0|F=0|M|A|I|f|0|vf|0000|00000|psize] (for method entries)
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
53 // bit length [ 4 |1| 1 |1|1|1|1|1|1 |-4--|--8--|--8--]
0
a61af66fc99e Initial load
duke
parents:
diff changeset
54
a61af66fc99e Initial load
duke
parents:
diff changeset
55 // --------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
56 //
a61af66fc99e Initial load
duke
parents:
diff changeset
57 // with:
a61af66fc99e Initial load
duke
parents:
diff changeset
58 // index = original constant pool index
a61af66fc99e Initial load
duke
parents:
diff changeset
59 // b1 = bytecode 1
a61af66fc99e Initial load
duke
parents:
diff changeset
60 // b2 = bytecode 2
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
61 // psize = parameters size (method entries only)
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
62 // field_index = index into field information in holder InstanceKlass
0
a61af66fc99e Initial load
duke
parents:
diff changeset
63 // The index max is 0xffff (max number of fields in constant pool)
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
64 // and is multiplied by (InstanceKlass::next_offset) when accessing.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
65 // tos = TosState
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
66 // F = the entry is for a field (or F=0 for a method)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
67 // A = call site has an appendix argument (loaded from resolved references)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
68 // I = interface call is forced virtual (must use a vtable index or vfinal)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
69 // f = field or method is final
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
70 // v = field is volatile
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
71 // vf = virtual but final (method entries only: is_vfinal())
0
a61af66fc99e Initial load
duke
parents:
diff changeset
72 //
a61af66fc99e Initial load
duke
parents:
diff changeset
73 // The flags after TosState have the following interpretation:
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
74 // bit 27: 0 for fields, 1 for methods
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
75 // f flag true if field is marked final
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
76 // v flag true if field is volatile (only for fields)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
77 // f2 flag true if f2 contains an oop (e.g., virtual final method)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
78 // fv flag true if invokeinterface used for method in class Object
0
a61af66fc99e Initial load
duke
parents:
diff changeset
79 //
a61af66fc99e Initial load
duke
parents:
diff changeset
80 // The flags 31, 30, 29, 28 together build a 4 bit number 0 to 8 with the
a61af66fc99e Initial load
duke
parents:
diff changeset
81 // following mapping to the TosState states:
a61af66fc99e Initial load
duke
parents:
diff changeset
82 //
a61af66fc99e Initial load
duke
parents:
diff changeset
83 // btos: 0
a61af66fc99e Initial load
duke
parents:
diff changeset
84 // ctos: 1
a61af66fc99e Initial load
duke
parents:
diff changeset
85 // stos: 2
a61af66fc99e Initial load
duke
parents:
diff changeset
86 // itos: 3
a61af66fc99e Initial load
duke
parents:
diff changeset
87 // ltos: 4
a61af66fc99e Initial load
duke
parents:
diff changeset
88 // ftos: 5
a61af66fc99e Initial load
duke
parents:
diff changeset
89 // dtos: 6
a61af66fc99e Initial load
duke
parents:
diff changeset
90 // atos: 7
a61af66fc99e Initial load
duke
parents:
diff changeset
91 // vtos: 8
a61af66fc99e Initial load
duke
parents:
diff changeset
92 //
a61af66fc99e Initial load
duke
parents:
diff changeset
93 // Entry specific: field entries:
a61af66fc99e Initial load
duke
parents:
diff changeset
94 // _indices = get (b1 section) and put (b2 section) bytecodes, original constant pool index
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
95 // _f1 = field holder (as a java.lang.Class, not a Klass*)
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
96 // _f2 = field offset in bytes
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
97 // _flags = field type information, original FieldInfo index in field holder
0
a61af66fc99e Initial load
duke
parents:
diff changeset
98 // (field_index section)
a61af66fc99e Initial load
duke
parents:
diff changeset
99 //
a61af66fc99e Initial load
duke
parents:
diff changeset
100 // Entry specific: method entries:
a61af66fc99e Initial load
duke
parents:
diff changeset
101 // _indices = invoke code for f1 (b1 section), invoke code for f2 (b2 section),
a61af66fc99e Initial load
duke
parents:
diff changeset
102 // original constant pool index
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
103 // _f1 = Method* for non-virtual calls, unused by virtual calls.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
104 // for interface calls, which are essentially virtual but need a klass,
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
105 // contains Klass* for the corresponding interface.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
106 // for invokedynamic, f1 contains a site-specific CallSite object (as an appendix)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
107 // for invokehandle, f1 contains a site-specific MethodType object (as an appendix)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
108 // (upcoming metadata changes will move the appendix to a separate array)
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
109 // _f2 = vtable/itable index (or final Method*) for virtual calls only,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
110 // unused by non-virtual. The is_vfinal flag indicates this is a
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
111 // method pointer for a final method, not an index.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
112 // _flags = method type info (t section),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
113 // virtual final bit (vfinal),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
114 // parameter size (psize section)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
115 //
a61af66fc99e Initial load
duke
parents:
diff changeset
116 // Note: invokevirtual & invokespecial bytecodes can share the same constant
a61af66fc99e Initial load
duke
parents:
diff changeset
117 // pool entry and thus the same constant pool cache entry. All invoke
a61af66fc99e Initial load
duke
parents:
diff changeset
118 // bytecodes but invokevirtual use only _f1 and the corresponding b1
a61af66fc99e Initial load
duke
parents:
diff changeset
119 // bytecode, while invokevirtual uses only _f2 and the corresponding
a61af66fc99e Initial load
duke
parents:
diff changeset
120 // b2 bytecode. The value of _flags is shared for both types of entries.
a61af66fc99e Initial load
duke
parents:
diff changeset
121 //
a61af66fc99e Initial load
duke
parents:
diff changeset
122 // The fields are volatile so that they are stored in the order written in the
a61af66fc99e Initial load
duke
parents:
diff changeset
123 // source code. The _indices field with the bytecode must be written last.
a61af66fc99e Initial load
duke
parents:
diff changeset
124
6942
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common
twisti
parents: 6822
diff changeset
125 class CallInfo;
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common
twisti
parents: 6822
diff changeset
126
0
a61af66fc99e Initial load
duke
parents:
diff changeset
127 class ConstantPoolCacheEntry VALUE_OBJ_CLASS_SPEC {
a61af66fc99e Initial load
duke
parents:
diff changeset
128 friend class VMStructs;
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 579
diff changeset
129 friend class constantPoolCacheKlass;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
130 friend class ConstantPool;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
131 friend class InterpreterRuntime;
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 579
diff changeset
132
0
a61af66fc99e Initial load
duke
parents:
diff changeset
133 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
134 volatile intx _indices; // constant pool index & rewrite bytecodes
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
135 volatile Metadata* _f1; // entry specific metadata field
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
136 volatile intx _f2; // entry specific int/metadata field
0
a61af66fc99e Initial load
duke
parents:
diff changeset
137 volatile intx _flags; // flags
a61af66fc99e Initial load
duke
parents:
diff changeset
138
a61af66fc99e Initial load
duke
parents:
diff changeset
139
a61af66fc99e Initial load
duke
parents:
diff changeset
140 void set_bytecode_1(Bytecodes::Code code);
a61af66fc99e Initial load
duke
parents:
diff changeset
141 void set_bytecode_2(Bytecodes::Code code);
14443
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
142 void set_f1(Metadata* f1) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
143 Metadata* existing_f1 = (Metadata*)_f1; // read once
0
a61af66fc99e Initial load
duke
parents:
diff changeset
144 assert(existing_f1 == NULL || existing_f1 == f1, "illegal field change");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
145 _f1 = f1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
146 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
147 void release_set_f1(Metadata* f1);
11142
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
148 void set_f2(intx f2) {
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
149 intx existing_f2 = _f2; // read once
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
150 assert(existing_f2 == 0 || existing_f2 == f2, "illegal field change");
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
151 _f2 = f2;
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
152 }
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
153 void set_f2_as_vfinal_method(Method* f2) {
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
154 assert(is_vfinal(), "flags must be set");
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
155 set_f2((intx)f2);
23123fc6968a 8019324: assert(_f2 == 0 || _f2 == f2) failed: illegal field change
rbackman
parents: 8712
diff changeset
156 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
157 int make_flags(TosState state, int option_bits, int field_index_or_method_params);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
158 void set_flags(intx flags) { _flags = flags; }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
159 bool init_flags_atomic(intx flags);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
160 void set_field_flags(TosState field_type, int option_bits, int field_index) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
161 assert((field_index & field_index_mask) == field_index, "field_index in range");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
162 set_flags(make_flags(field_type, option_bits | (1 << is_field_entry_shift), field_index));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
163 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
164 void set_method_flags(TosState return_type, int option_bits, int method_params) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
165 assert((method_params & parameter_size_mask) == method_params, "method_params in range");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
166 set_flags(make_flags(return_type, option_bits, method_params));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
167 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
168 bool init_method_flags_atomic(TosState return_type, int option_bits, int method_params) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
169 assert((method_params & parameter_size_mask) == method_params, "method_params in range");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
170 return init_flags_atomic(make_flags(return_type, option_bits, method_params));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
171 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
172
a61af66fc99e Initial load
duke
parents:
diff changeset
173 public:
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
174 // specific bit definitions for the flags field:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
175 // (Note: the interpreter must use these definitions to access the CP cache.)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
176 enum {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
177 // high order bits are the TosState corresponding to field type or method return type
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
178 tos_state_bits = 4,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
179 tos_state_mask = right_n_bits(tos_state_bits),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
180 tos_state_shift = BitsPerInt - tos_state_bits, // see verify_tos_state_shift below
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
181 // misc. option bits; can be any bit position in [16..27]
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
182 is_field_entry_shift = 26, // (F) is it a field or a method?
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
183 has_method_type_shift = 25, // (M) does the call site have a MethodType?
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
184 has_appendix_shift = 24, // (A) does the call site have an appendix argument?
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
185 is_forced_virtual_shift = 23, // (I) is the interface reference forced to virtual mode?
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
186 is_final_shift = 22, // (f) is the field or method final?
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
187 is_volatile_shift = 21, // (v) is the field volatile?
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
188 is_vfinal_shift = 20, // (vf) did the call resolve to a final method?
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
189 // low order bits give field index (for FieldInfo) or method parameter size:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
190 field_index_bits = 16,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
191 field_index_mask = right_n_bits(field_index_bits),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
192 parameter_size_bits = 8, // subset of field_index_mask, range is 0..255
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
193 parameter_size_mask = right_n_bits(parameter_size_bits),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
194 option_bits_mask = ~(((-1) << tos_state_shift) | (field_index_mask | parameter_size_mask))
0
a61af66fc99e Initial load
duke
parents:
diff changeset
195 };
a61af66fc99e Initial load
duke
parents:
diff changeset
196
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
197 // specific bit definitions for the indices field:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
198 enum {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
199 cp_index_bits = 2*BitsPerByte,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
200 cp_index_mask = right_n_bits(cp_index_bits),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
201 bytecode_1_shift = cp_index_bits,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
202 bytecode_1_mask = right_n_bits(BitsPerByte), // == (u1)0xFF
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
203 bytecode_2_shift = cp_index_bits + BitsPerByte,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
204 bytecode_2_mask = right_n_bits(BitsPerByte) // == (u1)0xFF
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
205 };
0
a61af66fc99e Initial load
duke
parents:
diff changeset
206
a61af66fc99e Initial load
duke
parents:
diff changeset
207
a61af66fc99e Initial load
duke
parents:
diff changeset
208 // Initialization
1059
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
209 void initialize_entry(int original_index); // initialize primary entry
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
210 void initialize_resolved_reference_index(int ref_index) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
211 assert(_f2 == 0, "set once"); // note: ref_index might be zero also
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
212 _f2 = ref_index;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
213 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
214
a61af66fc99e Initial load
duke
parents:
diff changeset
215 void set_field( // sets entry to resolved field state
a61af66fc99e Initial load
duke
parents:
diff changeset
216 Bytecodes::Code get_code, // the bytecode used for reading the field
a61af66fc99e Initial load
duke
parents:
diff changeset
217 Bytecodes::Code put_code, // the bytecode used for writing the field
a61af66fc99e Initial load
duke
parents:
diff changeset
218 KlassHandle field_holder, // the object/klass holding the field
a61af66fc99e Initial load
duke
parents:
diff changeset
219 int orig_field_index, // the original field index in the field holder
a61af66fc99e Initial load
duke
parents:
diff changeset
220 int field_offset, // the field offset in words in the field holder
a61af66fc99e Initial load
duke
parents:
diff changeset
221 TosState field_type, // the (machine) field type
a61af66fc99e Initial load
duke
parents:
diff changeset
222 bool is_final, // the field is final
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
223 bool is_volatile, // the field is volatile
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
224 Klass* root_klass // needed by the GC to dirty the klass
0
a61af66fc99e Initial load
duke
parents:
diff changeset
225 );
a61af66fc99e Initial load
duke
parents:
diff changeset
226
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
227 private:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
228 void set_direct_or_vtable_call(
0
a61af66fc99e Initial load
duke
parents:
diff changeset
229 Bytecodes::Code invoke_code, // the bytecode used for invoking the method
a61af66fc99e Initial load
duke
parents:
diff changeset
230 methodHandle method, // the method/prototype if any (NULL, otherwise)
a61af66fc99e Initial load
duke
parents:
diff changeset
231 int vtable_index // the vtable index if any, else negative
a61af66fc99e Initial load
duke
parents:
diff changeset
232 );
a61af66fc99e Initial load
duke
parents:
diff changeset
233
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
234 public:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
235 void set_direct_call( // sets entry to exact concrete method entry
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
236 Bytecodes::Code invoke_code, // the bytecode used for invoking the method
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
237 methodHandle method // the method to call
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
238 );
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
239
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
240 void set_vtable_call( // sets entry to vtable index
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
241 Bytecodes::Code invoke_code, // the bytecode used for invoking the method
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
242 methodHandle method, // resolved method which declares the vtable index
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
243 int vtable_index // the vtable index
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
244 );
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
245
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
246 void set_itable_call(
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
247 Bytecodes::Code invoke_code, // the bytecode used; must be invokeinterface
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
248 methodHandle method, // the resolved interface method
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11142
diff changeset
249 int itable_index // index into itable for the method
0
a61af66fc99e Initial load
duke
parents:
diff changeset
250 );
a61af66fc99e Initial load
duke
parents:
diff changeset
251
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
252 void set_method_handle(
6737
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed
twisti
parents: 6725
diff changeset
253 constantPoolHandle cpool, // holding constant pool (required for locking)
6942
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common
twisti
parents: 6822
diff changeset
254 const CallInfo &call_info // Call link information
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
255 );
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
256
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 579
diff changeset
257 void set_dynamic_call(
6737
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed
twisti
parents: 6725
diff changeset
258 constantPoolHandle cpool, // holding constant pool (required for locking)
6942
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common
twisti
parents: 6822
diff changeset
259 const CallInfo &call_info // Call link information
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 579
diff changeset
260 );
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 579
diff changeset
261
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
262 // Common code for invokedynamic and MH invocations.
1660
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 1602
diff changeset
263
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
264 // The "appendix" is an optional call-site-specific parameter which is
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
265 // pushed by the JVM at the end of the argument list. This argument may
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
266 // be a MethodType for the MH.invokes and a CallSite for an invokedynamic
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
267 // instruction. However, its exact type and use depends on the Java upcall,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
268 // which simply returns a compiled LambdaForm along with any reference
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
269 // that LambdaForm needs to complete the call. If the upcall returns a
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
270 // null appendix, the argument is not passed at all.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
271 //
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
272 // The appendix is *not* represented in the signature of the symbolic
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
273 // reference for the call site, but (if present) it *is* represented in
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
274 // the Method* bound to the site. This means that static and dynamic
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
275 // resolution logic needs to make slightly different assessments about the
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
276 // number and types of arguments.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
277 void set_method_handle_common(
6737
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed
twisti
parents: 6725
diff changeset
278 constantPoolHandle cpool, // holding constant pool (required for locking)
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
279 Bytecodes::Code invoke_code, // _invokehandle or _invokedynamic
6942
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common
twisti
parents: 6822
diff changeset
280 const CallInfo &call_info // Call link information
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
281 );
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
282
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
283 // invokedynamic and invokehandle call sites have two entries in the
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
284 // resolved references array:
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
285 // appendix (at index+0)
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
286 // MethodType (at index+1)
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
287 enum {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
288 _indy_resolved_references_appendix_offset = 0,
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
289 _indy_resolved_references_method_type_offset = 1,
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
290 _indy_resolved_references_entries
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
291 };
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
292
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
293 Method* method_if_resolved(constantPoolHandle cpool);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
294 oop appendix_if_resolved(constantPoolHandle cpool);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
295 oop method_type_if_resolved(constantPoolHandle cpool);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
296
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
297 void set_parameter_size(int value);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
298
a61af66fc99e Initial load
duke
parents:
diff changeset
299 // Which bytecode number (1 or 2) in the index field is valid for this bytecode?
a61af66fc99e Initial load
duke
parents:
diff changeset
300 // Returns -1 if neither is valid.
a61af66fc99e Initial load
duke
parents:
diff changeset
301 static int bytecode_number(Bytecodes::Code code) {
a61af66fc99e Initial load
duke
parents:
diff changeset
302 switch (code) {
a61af66fc99e Initial load
duke
parents:
diff changeset
303 case Bytecodes::_getstatic : // fall through
a61af66fc99e Initial load
duke
parents:
diff changeset
304 case Bytecodes::_getfield : // fall through
a61af66fc99e Initial load
duke
parents:
diff changeset
305 case Bytecodes::_invokespecial : // fall through
a61af66fc99e Initial load
duke
parents:
diff changeset
306 case Bytecodes::_invokestatic : // fall through
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
307 case Bytecodes::_invokehandle : // fall through
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6737
diff changeset
308 case Bytecodes::_invokedynamic : // fall through
0
a61af66fc99e Initial load
duke
parents:
diff changeset
309 case Bytecodes::_invokeinterface : return 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
310 case Bytecodes::_putstatic : // fall through
a61af66fc99e Initial load
duke
parents:
diff changeset
311 case Bytecodes::_putfield : // fall through
a61af66fc99e Initial load
duke
parents:
diff changeset
312 case Bytecodes::_invokevirtual : return 2;
a61af66fc99e Initial load
duke
parents:
diff changeset
313 default : break;
a61af66fc99e Initial load
duke
parents:
diff changeset
314 }
a61af66fc99e Initial load
duke
parents:
diff changeset
315 return -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
316 }
a61af66fc99e Initial load
duke
parents:
diff changeset
317
a61af66fc99e Initial load
duke
parents:
diff changeset
318 // Has this bytecode been resolved? Only valid for invokes and get/put field/static.
a61af66fc99e Initial load
duke
parents:
diff changeset
319 bool is_resolved(Bytecodes::Code code) const {
a61af66fc99e Initial load
duke
parents:
diff changeset
320 switch (bytecode_number(code)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
321 case 1: return (bytecode_1() == code);
a61af66fc99e Initial load
duke
parents:
diff changeset
322 case 2: return (bytecode_2() == code);
a61af66fc99e Initial load
duke
parents:
diff changeset
323 }
a61af66fc99e Initial load
duke
parents:
diff changeset
324 return false; // default: not resolved
a61af66fc99e Initial load
duke
parents:
diff changeset
325 }
a61af66fc99e Initial load
duke
parents:
diff changeset
326
a61af66fc99e Initial load
duke
parents:
diff changeset
327 // Accessors
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
328 int indices() const { return _indices; }
14443
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
329 int indices_ord() const { return (intx)OrderAccess::load_ptr_acquire(&_indices); }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
330 int constant_pool_index() const { return (indices() & cp_index_mask); }
14443
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
331 Bytecodes::Code bytecode_1() const { return Bytecodes::cast((indices_ord() >> bytecode_1_shift) & bytecode_1_mask); }
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
332 Bytecodes::Code bytecode_2() const { return Bytecodes::cast((indices_ord() >> bytecode_2_shift) & bytecode_2_mask); }
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
333 Metadata* f1_ord() const { return (Metadata *)OrderAccess::load_ptr_acquire(&_f1); }
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
334 Method* f1_as_method() const { Metadata* f1 = f1_ord(); assert(f1 == NULL || f1->is_method(), ""); return (Method*)f1; }
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
335 Klass* f1_as_klass() const { Metadata* f1 = f1_ord(); assert(f1 == NULL || f1->is_klass(), ""); return (Klass*)f1; }
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
336 // Use the accessor f1() to acquire _f1's value. This is needed for
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
337 // example in BytecodeInterpreter::run(), where is_f1_null() is
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
338 // called to check if an invokedynamic call is resolved. This load
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
339 // of _f1 must be ordered with the loads performed by
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
340 // cache->main_entry_index().
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
341 bool is_f1_null() const { Metadata* f1 = f1_ord(); return f1 == NULL; } // classifies a CPC entry as unbound
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
342 int f2_as_index() const { assert(!is_vfinal(), ""); return (int) _f2; }
14443
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
goetz
parents: 13056
diff changeset
343 Method* f2_as_vfinal_method() const { assert(is_vfinal(), ""); return (Method*)_f2; }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
344 int field_index() const { assert(is_field_entry(), ""); return (_flags & field_index_mask); }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
345 int parameter_size() const { assert(is_method_entry(), ""); return (_flags & parameter_size_mask); }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
346 bool is_volatile() const { return (_flags & (1 << is_volatile_shift)) != 0; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
347 bool is_final() const { return (_flags & (1 << is_final_shift)) != 0; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
348 bool is_forced_virtual() const { return (_flags & (1 << is_forced_virtual_shift)) != 0; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
349 bool is_vfinal() const { return (_flags & (1 << is_vfinal_shift)) != 0; }
17977
0b9500028980 8029381: assert(is_method_type()) failed: bad cast
drchase
parents: 14443
diff changeset
350 bool has_appendix() const { return (!is_f1_null()) && (_flags & (1 << has_appendix_shift)) != 0; }
0b9500028980 8029381: assert(is_method_type()) failed: bad cast
drchase
parents: 14443
diff changeset
351 bool has_method_type() const { return (!is_f1_null()) && (_flags & (1 << has_method_type_shift)) != 0; }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
352 bool is_method_entry() const { return (_flags & (1 << is_field_entry_shift)) == 0; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
353 bool is_field_entry() const { return (_flags & (1 << is_field_entry_shift)) != 0; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
354 bool is_byte() const { return flag_state() == btos; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
355 bool is_char() const { return flag_state() == ctos; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
356 bool is_short() const { return flag_state() == stos; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
357 bool is_int() const { return flag_state() == itos; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
358 bool is_long() const { return flag_state() == ltos; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
359 bool is_float() const { return flag_state() == ftos; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
360 bool is_double() const { return flag_state() == dtos; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
361 bool is_object() const { return flag_state() == atos; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
362 TosState flag_state() const { assert((uint)number_of_states <= (uint)tos_state_mask+1, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
363 return (TosState)((_flags >> tos_state_shift) & tos_state_mask); }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
364
a61af66fc99e Initial load
duke
parents:
diff changeset
365 // Code generation support
a61af66fc99e Initial load
duke
parents:
diff changeset
366 static WordSize size() { return in_WordSize(sizeof(ConstantPoolCacheEntry) / HeapWordSize); }
1059
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
367 static ByteSize size_in_bytes() { return in_ByteSize(sizeof(ConstantPoolCacheEntry)); }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
368 static ByteSize indices_offset() { return byte_offset_of(ConstantPoolCacheEntry, _indices); }
a61af66fc99e Initial load
duke
parents:
diff changeset
369 static ByteSize f1_offset() { return byte_offset_of(ConstantPoolCacheEntry, _f1); }
a61af66fc99e Initial load
duke
parents:
diff changeset
370 static ByteSize f2_offset() { return byte_offset_of(ConstantPoolCacheEntry, _f2); }
a61af66fc99e Initial load
duke
parents:
diff changeset
371 static ByteSize flags_offset() { return byte_offset_of(ConstantPoolCacheEntry, _flags); }
a61af66fc99e Initial load
duke
parents:
diff changeset
372
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
373 #if INCLUDE_JVMTI
0
a61af66fc99e Initial load
duke
parents:
diff changeset
374 // RedefineClasses() API support:
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
375 // If this ConstantPoolCacheEntry refers to old_method then update it
0
a61af66fc99e Initial load
duke
parents:
diff changeset
376 // to refer to new_method.
a61af66fc99e Initial load
duke
parents:
diff changeset
377 // trace_name_printed is set to true if the current call has
a61af66fc99e Initial load
duke
parents:
diff changeset
378 // printed the klass name so that other routines in the adjust_*
a61af66fc99e Initial load
duke
parents:
diff changeset
379 // group don't print the klass name.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
380 bool adjust_method_entry(Method* old_method, Method* new_method,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
381 bool * trace_name_printed);
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
382 bool check_no_old_or_obsolete_entries();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
383 bool is_interesting_method_entry(Klass* k);
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
384 #endif // INCLUDE_JVMTI
0
a61af66fc99e Initial load
duke
parents:
diff changeset
385
a61af66fc99e Initial load
duke
parents:
diff changeset
386 // Debugging & Printing
a61af66fc99e Initial load
duke
parents:
diff changeset
387 void print (outputStream* st, int index) const;
a61af66fc99e Initial load
duke
parents:
diff changeset
388 void verify(outputStream* st) const;
a61af66fc99e Initial load
duke
parents:
diff changeset
389
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
390 static void verify_tos_state_shift() {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
391 // When shifting flags as a 32-bit int, make sure we don't need an extra mask for tos_state:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3461
diff changeset
392 assert((((u4)-1 >> tos_state_shift) & ~tos_state_mask) == 0, "no need for tos_state mask");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
393 }
a61af66fc99e Initial load
duke
parents:
diff changeset
394 };
a61af66fc99e Initial load
duke
parents:
diff changeset
395
a61af66fc99e Initial load
duke
parents:
diff changeset
396
a61af66fc99e Initial load
duke
parents:
diff changeset
397 // A constant pool cache is a runtime data structure set aside to a constant pool. The cache
a61af66fc99e Initial load
duke
parents:
diff changeset
398 // holds interpreter runtime information for all field access and invoke bytecodes. The cache
a61af66fc99e Initial load
duke
parents:
diff changeset
399 // is created and initialized before a class is actively used (i.e., initialized), the indivi-
a61af66fc99e Initial load
duke
parents:
diff changeset
400 // dual cache entries are filled at resolution (i.e., "link") time (see also: rewriter.*).
a61af66fc99e Initial load
duke
parents:
diff changeset
401
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
402 class ConstantPoolCache: public MetaspaceObj {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
403 friend class VMStructs;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
404 friend class MetadataFactory;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
405 private:
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
406 int _length;
13056
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
407 ConstantPool* _constant_pool; // the corresponding constant pool
0
a61af66fc99e Initial load
duke
parents:
diff changeset
408
a61af66fc99e Initial load
duke
parents:
diff changeset
409 // Sizing
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
410 debug_only(friend class ClassVerifier;)
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
411
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
412 // Constructor
13056
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
413 ConstantPoolCache(int length,
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
414 const intStack& inverse_index_map,
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
415 const intStack& invokedynamic_inverse_index_map,
8712
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents: 8021
diff changeset
416 const intStack& invokedynamic_references_map) :
13056
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
417 _length(length),
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
418 _constant_pool(NULL) {
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
419 initialize(inverse_index_map, invokedynamic_inverse_index_map,
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
420 invokedynamic_references_map);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
421 for (int i = 0; i < length; i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
422 assert(entry_at(i)->is_f1_null(), "Failed to clear?");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
423 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
424 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
425
8712
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents: 8021
diff changeset
426 // Initialization
13056
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
427 void initialize(const intArray& inverse_index_map,
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
428 const intArray& invokedynamic_inverse_index_map,
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
429 const intArray& invokedynamic_references_map);
1913
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 1903
diff changeset
430 public:
13056
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
431 static ConstantPoolCache* allocate(ClassLoaderData* loader_data,
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
432 const intStack& cp_cache_map,
41cb10cbfb3c 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field change
coleenp
parents: 12264
diff changeset
433 const intStack& invokedynamic_cp_cache_map,
8712
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents: 8021
diff changeset
434 const intStack& invokedynamic_references_map, TRAPS);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
435 bool is_constantPoolCache() const { return true; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
436
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
437 int length() const { return _length; }
1913
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 1903
diff changeset
438 private:
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
439 void set_length(int length) { _length = length; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
440
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
441 static int header_size() { return sizeof(ConstantPoolCache) / HeapWordSize; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
442 static int size(int length) { return align_object_size(header_size() + length * in_words(ConstantPoolCacheEntry::size())); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
443 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
444 int size() const { return size(length()); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
445 private:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
446
a61af66fc99e Initial load
duke
parents:
diff changeset
447 // Helpers
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
448 ConstantPool** constant_pool_addr() { return &_constant_pool; }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
449 ConstantPoolCacheEntry* base() const { return (ConstantPoolCacheEntry*)((address)this + in_bytes(base_offset())); }
a61af66fc99e Initial load
duke
parents:
diff changeset
450
a61af66fc99e Initial load
duke
parents:
diff changeset
451 friend class constantPoolCacheKlass;
1059
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
452 friend class ConstantPoolCacheEntry;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
453
a61af66fc99e Initial load
duke
parents:
diff changeset
454 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
455 // Accessors
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
456 void set_constant_pool(ConstantPool* pool) { _constant_pool = pool; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
457 ConstantPool* constant_pool() const { return _constant_pool; }
1059
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
458 // Fetches the entry at the given index.
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
459 // In either case the index must not be encoded or byte-swapped in any way.
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
460 ConstantPoolCacheEntry* entry_at(int i) const {
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
461 assert(0 <= i && i < length(), "index out of bounds");
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
462 return base() + i;
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
463 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
464
a61af66fc99e Initial load
duke
parents:
diff changeset
465 // Code generation
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
466 static ByteSize base_offset() { return in_ByteSize(sizeof(ConstantPoolCache)); }
1059
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
467 static ByteSize entry_offset(int raw_index) {
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
468 int index = raw_index;
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
469 return (base_offset() + ConstantPoolCacheEntry::size_in_bytes() * index);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 726
diff changeset
470 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
471
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
472 #if INCLUDE_JVMTI
0
a61af66fc99e Initial load
duke
parents:
diff changeset
473 // RedefineClasses() API support:
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
474 // If any entry of this ConstantPoolCache points to any of
0
a61af66fc99e Initial load
duke
parents:
diff changeset
475 // old_methods, replace it with the corresponding new_method.
a61af66fc99e Initial load
duke
parents:
diff changeset
476 // trace_name_printed is set to true if the current call has
a61af66fc99e Initial load
duke
parents:
diff changeset
477 // printed the klass name so that other routines in the adjust_*
a61af66fc99e Initial load
duke
parents:
diff changeset
478 // group don't print the klass name.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
479 void adjust_method_entries(Method** old_methods, Method** new_methods,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
480 int methods_length, bool * trace_name_printed);
8021
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
481 bool check_no_old_or_obsolete_entries();
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
482 void dump_cache();
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 6942
diff changeset
483 #endif // INCLUDE_JVMTI
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
484
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
485 // Deallocate - no fields to deallocate
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
486 DEBUG_ONLY(bool on_stack() { return false; })
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
487 void deallocate_contents(ClassLoaderData* data) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
488 bool is_klass() const { return false; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
489
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
490 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
491 void print_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
492 void print_value_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
493
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
494 const char* internal_name() const { return "{constant pool cache}"; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
495
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
496 // Verify
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
497 void verify_on(outputStream* st);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
498 };
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
499
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1913
diff changeset
500 #endif // SHARE_VM_OOPS_CPCACHEOOP_HPP