annotate src/share/vm/oops/constMethod.hpp @ 7956:16fb9f942703

6479360: PrintClassHistogram improvements Summary: jcmd <pid> GC.class_stats (UnlockDiagnosticVMOptions) Reviewed-by: coleenp, hseigel, sla, acorn Contributed-by: ioi.lam@oracle.com
author acorn
date Fri, 25 Jan 2013 15:06:18 -0500
parents f9eb431c3efe
children 24a91505f9d5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
7956
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7588
diff changeset
2 * Copyright (c) 2003, 2013, 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: 1138
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1138
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: 1138
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: 1552
diff changeset
25 #ifndef SHARE_VM_OOPS_CONSTMETHODOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
26 #define SHARE_VM_OOPS_CONSTMETHODOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
27
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
28 #include "oops/oop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
29
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
30 // An ConstMethod* represents portions of a Java method which
0
a61af66fc99e Initial load
duke
parents:
diff changeset
31 // do not vary.
a61af66fc99e Initial load
duke
parents:
diff changeset
32 //
a61af66fc99e Initial load
duke
parents:
diff changeset
33 // Memory layout (each line represents a word). Note that most
a61af66fc99e Initial load
duke
parents:
diff changeset
34 // applications load thousands of methods, so keeping the size of this
a61af66fc99e Initial load
duke
parents:
diff changeset
35 // structure small has a big impact on footprint.
a61af66fc99e Initial load
duke
parents:
diff changeset
36 //
a61af66fc99e Initial load
duke
parents:
diff changeset
37 // |------------------------------------------------------|
a61af66fc99e Initial load
duke
parents:
diff changeset
38 // | header |
a61af66fc99e Initial load
duke
parents:
diff changeset
39 // | klass |
a61af66fc99e Initial load
duke
parents:
diff changeset
40 // |------------------------------------------------------|
a61af66fc99e Initial load
duke
parents:
diff changeset
41 // | fingerprint 1 |
a61af66fc99e Initial load
duke
parents:
diff changeset
42 // | fingerprint 2 |
6123
2fe087c3e814 7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents: 1972
diff changeset
43 // | constants (oop) |
0
a61af66fc99e Initial load
duke
parents:
diff changeset
44 // | stackmap_data (oop) |
a61af66fc99e Initial load
duke
parents:
diff changeset
45 // | constMethod_size |
a61af66fc99e Initial load
duke
parents:
diff changeset
46 // | interp_kind | flags | code_size |
a61af66fc99e Initial load
duke
parents:
diff changeset
47 // | name index | signature index |
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
48 // | method_idnum | max_stack |
7402
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
49 // | max_locals | size_of_parameters |
0
a61af66fc99e Initial load
duke
parents:
diff changeset
50 // |------------------------------------------------------|
a61af66fc99e Initial load
duke
parents:
diff changeset
51 // | |
a61af66fc99e Initial load
duke
parents:
diff changeset
52 // | byte codes |
a61af66fc99e Initial load
duke
parents:
diff changeset
53 // | |
a61af66fc99e Initial load
duke
parents:
diff changeset
54 // |------------------------------------------------------|
a61af66fc99e Initial load
duke
parents:
diff changeset
55 // | compressed linenumber table |
a61af66fc99e Initial load
duke
parents:
diff changeset
56 // | (see class CompressedLineNumberReadStream) |
a61af66fc99e Initial load
duke
parents:
diff changeset
57 // | (note that length is unknown until decompressed) |
a61af66fc99e Initial load
duke
parents:
diff changeset
58 // | (access flags bit tells whether table is present) |
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
59 // | (indexed from start of ConstMethod*) |
0
a61af66fc99e Initial load
duke
parents:
diff changeset
60 // | (elements not necessarily sorted!) |
a61af66fc99e Initial load
duke
parents:
diff changeset
61 // |------------------------------------------------------|
a61af66fc99e Initial load
duke
parents:
diff changeset
62 // | localvariable table elements + length (length last) |
a61af66fc99e Initial load
duke
parents:
diff changeset
63 // | (length is u2, elements are 6-tuples of u2) |
a61af66fc99e Initial load
duke
parents:
diff changeset
64 // | (see class LocalVariableTableElement) |
a61af66fc99e Initial load
duke
parents:
diff changeset
65 // | (access flags bit tells whether table is present) |
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
66 // | (indexed from end of ConstMethod*) |
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
67 // |------------------------------------------------------|
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
68 // | exception table + length (length last) |
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
69 // | (length is u2, elements are 4-tuples of u2) |
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
70 // | (see class ExceptionTableElement) |
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
71 // | (access flags bit tells whether table is present) |
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
72 // | (indexed from end of ConstMethod*) |
0
a61af66fc99e Initial load
duke
parents:
diff changeset
73 // |------------------------------------------------------|
a61af66fc99e Initial load
duke
parents:
diff changeset
74 // | checked exceptions elements + length (length last) |
a61af66fc99e Initial load
duke
parents:
diff changeset
75 // | (length is u2, elements are u2) |
a61af66fc99e Initial load
duke
parents:
diff changeset
76 // | (see class CheckedExceptionElement) |
a61af66fc99e Initial load
duke
parents:
diff changeset
77 // | (access flags bit tells whether table is present) |
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
78 // | (indexed from end of ConstMethod*) |
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
79 // |------------------------------------------------------|
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
80 // | method parameters elements + length (length last) |
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
81 // | (length is u2, elements are u2, u4 structures) |
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
82 // | (see class MethodParametersElement) |
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
83 // | (access flags bit tells whether table is present) |
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
84 // | (indexed from end of ConstMethod*) |
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
85 // |------------------------------------------------------|
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
86 // | generic signature index (u2) |
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
87 // | (indexed from start of constMethodOop) |
0
a61af66fc99e Initial load
duke
parents:
diff changeset
88 // |------------------------------------------------------|
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
89 //
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
90 // IMPORTANT: If anything gets added here, there need to be changes to
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
91 // ensure that ServicabilityAgent doesn't get broken as a result!
0
a61af66fc99e Initial load
duke
parents:
diff changeset
92
a61af66fc99e Initial load
duke
parents:
diff changeset
93
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
94 // Utitily class decribing elements in checked exceptions table inlined in Method*.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
95 class CheckedExceptionElement VALUE_OBJ_CLASS_SPEC {
a61af66fc99e Initial load
duke
parents:
diff changeset
96 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
97 u2 class_cp_index;
a61af66fc99e Initial load
duke
parents:
diff changeset
98 };
a61af66fc99e Initial load
duke
parents:
diff changeset
99
a61af66fc99e Initial load
duke
parents:
diff changeset
100
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
101 // Utitily class decribing elements in local variable table inlined in Method*.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
102 class LocalVariableTableElement VALUE_OBJ_CLASS_SPEC {
a61af66fc99e Initial load
duke
parents:
diff changeset
103 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
104 u2 start_bci;
a61af66fc99e Initial load
duke
parents:
diff changeset
105 u2 length;
a61af66fc99e Initial load
duke
parents:
diff changeset
106 u2 name_cp_index;
a61af66fc99e Initial load
duke
parents:
diff changeset
107 u2 descriptor_cp_index;
a61af66fc99e Initial load
duke
parents:
diff changeset
108 u2 signature_cp_index;
a61af66fc99e Initial load
duke
parents:
diff changeset
109 u2 slot;
a61af66fc99e Initial load
duke
parents:
diff changeset
110 };
a61af66fc99e Initial load
duke
parents:
diff changeset
111
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
112 // Utitily class describing elements in exception table
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
113 class ExceptionTableElement VALUE_OBJ_CLASS_SPEC {
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
114 public:
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
115 u2 start_pc;
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
116 u2 end_pc;
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
117 u2 handler_pc;
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
118 u2 catch_type_index;
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
119 };
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
120
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
121 // Utility class describing elements in method parameters
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
122 class MethodParametersElement VALUE_OBJ_CLASS_SPEC {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
123 public:
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
124 u2 name_cp_index;
7588
f9eb431c3efe 8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents: 7462
diff changeset
125 // This has to happen, otherwise it will cause SIGBUS from a
f9eb431c3efe 8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents: 7462
diff changeset
126 // misaligned u4 on some architectures (ie SPARC)
f9eb431c3efe 8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents: 7462
diff changeset
127 // because MethodParametersElements are only aligned mod 2
f9eb431c3efe 8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents: 7462
diff changeset
128 // within the ConstMethod container u2 flags_hi;
f9eb431c3efe 8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents: 7462
diff changeset
129 u2 flags_hi;
f9eb431c3efe 8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents: 7462
diff changeset
130 u2 flags_lo;
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
131 };
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
132
7956
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7588
diff changeset
133 class KlassSizeStats;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
134
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
135 class ConstMethod : public MetaspaceObj {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
136 friend class VMStructs;
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
137
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
138 public:
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
139 typedef enum { NORMAL, OVERPASS } MethodType;
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
140
0
a61af66fc99e Initial load
duke
parents:
diff changeset
141 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
142 enum {
a61af66fc99e Initial load
duke
parents:
diff changeset
143 _has_linenumber_table = 1,
a61af66fc99e Initial load
duke
parents:
diff changeset
144 _has_checked_exceptions = 2,
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
145 _has_localvariable_table = 4,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
146 _has_exception_table = 8,
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
147 _has_generic_signature = 16,
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
148 _has_method_parameters = 32,
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
149 _is_overpass = 64
0
a61af66fc99e Initial load
duke
parents:
diff changeset
150 };
a61af66fc99e Initial load
duke
parents:
diff changeset
151
a61af66fc99e Initial load
duke
parents:
diff changeset
152 // Bit vector of signature
a61af66fc99e Initial load
duke
parents:
diff changeset
153 // Callers interpret 0=not initialized yet and
a61af66fc99e Initial load
duke
parents:
diff changeset
154 // -1=too many args to fix, must parse the slow way.
a61af66fc99e Initial load
duke
parents:
diff changeset
155 // The real initial value is special to account for nonatomicity of 64 bit
a61af66fc99e Initial load
duke
parents:
diff changeset
156 // loads and stores. This value may updated and read without a lock by
a61af66fc99e Initial load
duke
parents:
diff changeset
157 // multiple threads, so is volatile.
a61af66fc99e Initial load
duke
parents:
diff changeset
158 volatile uint64_t _fingerprint;
a61af66fc99e Initial load
duke
parents:
diff changeset
159
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
160 ConstantPool* _constants; // Constant pool
0
a61af66fc99e Initial load
duke
parents:
diff changeset
161
a61af66fc99e Initial load
duke
parents:
diff changeset
162 // Raw stackmap data for the method
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
163 Array<u1>* _stackmap_data;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
164
a61af66fc99e Initial load
duke
parents:
diff changeset
165 int _constMethod_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
166 jbyte _interpreter_kind;
a61af66fc99e Initial load
duke
parents:
diff changeset
167 jbyte _flags;
a61af66fc99e Initial load
duke
parents:
diff changeset
168
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
169 // Size of Java bytecodes allocated immediately after Method*.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
170 u2 _code_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
171 u2 _name_index; // Method name (index in constant pool)
a61af66fc99e Initial load
duke
parents:
diff changeset
172 u2 _signature_index; // Method signature (index in constant pool)
a61af66fc99e Initial load
duke
parents:
diff changeset
173 u2 _method_idnum; // unique identification number for the method within the class
a61af66fc99e Initial load
duke
parents:
diff changeset
174 // initially corresponds to the index into the methods array.
a61af66fc99e Initial load
duke
parents:
diff changeset
175 // but this may change with redefinition
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
176 u2 _max_stack; // Maximum number of entries on the expression stack
7402
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
177 u2 _max_locals; // Number of local variables used by this method
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
178 u2 _size_of_parameters; // size of the parameter block (receiver + arguments) in words
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
179
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
180 // Constructor
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
181 ConstMethod(int byte_code_size,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
182 int compressed_line_number_size,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
183 int localvariable_table_length,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
184 int exception_table_length,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
185 int checked_exceptions_length,
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
186 int method_parameters_length,
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
187 u2 generic_signature_index,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
188 MethodType is_overpass,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
189 int size);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
190 public:
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
191
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
192 static ConstMethod* allocate(ClassLoaderData* loader_data,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
193 int byte_code_size,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
194 int compressed_line_number_size,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
195 int localvariable_table_length,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
196 int exception_table_length,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
197 int checked_exceptions_length,
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
198 int method_parameters_length,
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
199 u2 generic_signature_index,
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
200 MethodType mt,
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
201 TRAPS);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
202
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
203 bool is_constMethod() const { return true; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
204
0
a61af66fc99e Initial load
duke
parents:
diff changeset
205 // Inlined tables
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
206 void set_inlined_tables_length(u2 generic_signature_index,
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
207 int checked_exceptions_len,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
208 int compressed_line_number_size,
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
209 int localvariable_table_len,
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
210 int exception_table_len,
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
211 int method_parameters_length);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
212
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
213 bool has_generic_signature() const
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
214 { return (_flags & _has_generic_signature) != 0; }
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
215
0
a61af66fc99e Initial load
duke
parents:
diff changeset
216 bool has_linenumber_table() const
a61af66fc99e Initial load
duke
parents:
diff changeset
217 { return (_flags & _has_linenumber_table) != 0; }
a61af66fc99e Initial load
duke
parents:
diff changeset
218
a61af66fc99e Initial load
duke
parents:
diff changeset
219 bool has_checked_exceptions() const
a61af66fc99e Initial load
duke
parents:
diff changeset
220 { return (_flags & _has_checked_exceptions) != 0; }
a61af66fc99e Initial load
duke
parents:
diff changeset
221
a61af66fc99e Initial load
duke
parents:
diff changeset
222 bool has_localvariable_table() const
a61af66fc99e Initial load
duke
parents:
diff changeset
223 { return (_flags & _has_localvariable_table) != 0; }
a61af66fc99e Initial load
duke
parents:
diff changeset
224
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
225 bool has_exception_handler() const
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
226 { return (_flags & _has_exception_table) != 0; }
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
227
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
228 bool has_method_parameters() const
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
229 { return (_flags & _has_method_parameters) != 0; }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
230
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
231 MethodType method_type() const {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
232 return ((_flags & _is_overpass) == 0) ? NORMAL : OVERPASS;
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
233 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
234
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
235 void set_method_type(MethodType mt) {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
236 if (mt == NORMAL) {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
237 _flags &= ~(_is_overpass);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
238 } else {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
239 _flags |= _is_overpass;
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
240 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
241 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
242
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6725
diff changeset
243
0
a61af66fc99e Initial load
duke
parents:
diff changeset
244 void set_interpreter_kind(int kind) { _interpreter_kind = kind; }
a61af66fc99e Initial load
duke
parents:
diff changeset
245 int interpreter_kind(void) const { return _interpreter_kind; }
a61af66fc99e Initial load
duke
parents:
diff changeset
246
6123
2fe087c3e814 7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents: 1972
diff changeset
247 // constant pool
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
248 ConstantPool* constants() const { return _constants; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
249 void set_constants(ConstantPool* c) { _constants = c; }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
250
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
251 Method* method() const;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
252
a61af66fc99e Initial load
duke
parents:
diff changeset
253 // stackmap table data
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
254 Array<u1>* stackmap_data() const { return _stackmap_data; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
255 void set_stackmap_data(Array<u1>* sd) { _stackmap_data = sd; }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
256 bool has_stackmap_table() const { return _stackmap_data != NULL; }
a61af66fc99e Initial load
duke
parents:
diff changeset
257
a61af66fc99e Initial load
duke
parents:
diff changeset
258 void init_fingerprint() {
a61af66fc99e Initial load
duke
parents:
diff changeset
259 const uint64_t initval = CONST64(0x8000000000000000);
a61af66fc99e Initial load
duke
parents:
diff changeset
260 _fingerprint = initval;
a61af66fc99e Initial load
duke
parents:
diff changeset
261 }
a61af66fc99e Initial load
duke
parents:
diff changeset
262
a61af66fc99e Initial load
duke
parents:
diff changeset
263 uint64_t fingerprint() const {
a61af66fc99e Initial load
duke
parents:
diff changeset
264 // Since reads aren't atomic for 64 bits, if any of the high or low order
a61af66fc99e Initial load
duke
parents:
diff changeset
265 // word is the initial value, return 0. See init_fingerprint for initval.
a61af66fc99e Initial load
duke
parents:
diff changeset
266 uint high_fp = (uint)(_fingerprint >> 32);
a61af66fc99e Initial load
duke
parents:
diff changeset
267 if ((int) _fingerprint == 0 || high_fp == 0x80000000) {
a61af66fc99e Initial load
duke
parents:
diff changeset
268 return 0L;
a61af66fc99e Initial load
duke
parents:
diff changeset
269 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
270 return _fingerprint;
a61af66fc99e Initial load
duke
parents:
diff changeset
271 }
a61af66fc99e Initial load
duke
parents:
diff changeset
272 }
a61af66fc99e Initial load
duke
parents:
diff changeset
273
a61af66fc99e Initial load
duke
parents:
diff changeset
274 uint64_t set_fingerprint(uint64_t new_fingerprint) {
a61af66fc99e Initial load
duke
parents:
diff changeset
275 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
276 // Assert only valid if complete/valid 64 bit _fingerprint value is read.
a61af66fc99e Initial load
duke
parents:
diff changeset
277 uint64_t oldfp = fingerprint();
a61af66fc99e Initial load
duke
parents:
diff changeset
278 #endif // ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
279 _fingerprint = new_fingerprint;
a61af66fc99e Initial load
duke
parents:
diff changeset
280 assert(oldfp == 0L || new_fingerprint == oldfp,
a61af66fc99e Initial load
duke
parents:
diff changeset
281 "fingerprint cannot change");
a61af66fc99e Initial load
duke
parents:
diff changeset
282 assert(((new_fingerprint >> 32) != 0x80000000) && (int)new_fingerprint !=0,
a61af66fc99e Initial load
duke
parents:
diff changeset
283 "fingerprint should call init to set initial value");
a61af66fc99e Initial load
duke
parents:
diff changeset
284 return new_fingerprint;
a61af66fc99e Initial load
duke
parents:
diff changeset
285 }
a61af66fc99e Initial load
duke
parents:
diff changeset
286
a61af66fc99e Initial load
duke
parents:
diff changeset
287 // name
a61af66fc99e Initial load
duke
parents:
diff changeset
288 int name_index() const { return _name_index; }
a61af66fc99e Initial load
duke
parents:
diff changeset
289 void set_name_index(int index) { _name_index = index; }
a61af66fc99e Initial load
duke
parents:
diff changeset
290
a61af66fc99e Initial load
duke
parents:
diff changeset
291 // signature
a61af66fc99e Initial load
duke
parents:
diff changeset
292 int signature_index() const { return _signature_index; }
a61af66fc99e Initial load
duke
parents:
diff changeset
293 void set_signature_index(int index) { _signature_index = index; }
a61af66fc99e Initial load
duke
parents:
diff changeset
294
a61af66fc99e Initial load
duke
parents:
diff changeset
295 // generics support
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
296 int generic_signature_index() const {
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
297 if (has_generic_signature()) {
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
298 return *generic_signature_index_addr();
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
299 } else {
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
300 return 0;
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
301 }
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
302 }
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
303 void set_generic_signature_index(u2 index) {
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
304 assert(has_generic_signature(), "");
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
305 u2* addr = generic_signature_index_addr();
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
306 *addr = index;
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
307 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
308
a61af66fc99e Initial load
duke
parents:
diff changeset
309 // Sizing
a61af66fc99e Initial load
duke
parents:
diff changeset
310 static int header_size() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
311 return sizeof(ConstMethod)/HeapWordSize;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
312 }
a61af66fc99e Initial load
duke
parents:
diff changeset
313
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
314 // Size needed
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
315 static int size(int code_size, int compressed_line_number_size,
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
316 int local_variable_table_length,
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
317 int exception_table_length,
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
318 int checked_exceptions_length,
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
319 int method_parameters_length,
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
320 u2 generic_signature_index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
321
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
322 int size() const { return _constMethod_size;}
0
a61af66fc99e Initial load
duke
parents:
diff changeset
323 void set_constMethod_size(int size) { _constMethod_size = size; }
7956
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7588
diff changeset
324 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7588
diff changeset
325 void collect_statistics(KlassSizeStats *sz) const;
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 7588
diff changeset
326 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
327
a61af66fc99e Initial load
duke
parents:
diff changeset
328 // code size
a61af66fc99e Initial load
duke
parents:
diff changeset
329 int code_size() const { return _code_size; }
a61af66fc99e Initial load
duke
parents:
diff changeset
330 void set_code_size(int size) {
a61af66fc99e Initial load
duke
parents:
diff changeset
331 assert(max_method_code_size < (1 << 16),
a61af66fc99e Initial load
duke
parents:
diff changeset
332 "u2 is too small to hold method code size in general");
a61af66fc99e Initial load
duke
parents:
diff changeset
333 assert(0 <= size && size <= max_method_code_size, "invalid code size");
a61af66fc99e Initial load
duke
parents:
diff changeset
334 _code_size = size;
a61af66fc99e Initial load
duke
parents:
diff changeset
335 }
a61af66fc99e Initial load
duke
parents:
diff changeset
336
a61af66fc99e Initial load
duke
parents:
diff changeset
337 // linenumber table - note that length is unknown until decompression,
a61af66fc99e Initial load
duke
parents:
diff changeset
338 // see class CompressedLineNumberReadStream.
a61af66fc99e Initial load
duke
parents:
diff changeset
339 u_char* compressed_linenumber_table() const; // not preserved by gc
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
340 u2* generic_signature_index_addr() const;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
341 u2* checked_exceptions_length_addr() const;
a61af66fc99e Initial load
duke
parents:
diff changeset
342 u2* localvariable_table_length_addr() const;
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
343 u2* exception_table_length_addr() const;
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
344 u2* method_parameters_length_addr() const;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
345
a61af66fc99e Initial load
duke
parents:
diff changeset
346 // checked exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
347 int checked_exceptions_length() const;
a61af66fc99e Initial load
duke
parents:
diff changeset
348 CheckedExceptionElement* checked_exceptions_start() const;
a61af66fc99e Initial load
duke
parents:
diff changeset
349
a61af66fc99e Initial load
duke
parents:
diff changeset
350 // localvariable table
a61af66fc99e Initial load
duke
parents:
diff changeset
351 int localvariable_table_length() const;
a61af66fc99e Initial load
duke
parents:
diff changeset
352 LocalVariableTableElement* localvariable_table_start() const;
a61af66fc99e Initial load
duke
parents:
diff changeset
353
6213
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
354 // exception table
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
355 int exception_table_length() const;
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
356 ExceptionTableElement* exception_table_start() const;
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents: 6123
diff changeset
357
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
358 // method parameters table
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
359 int method_parameters_length() const;
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
360 MethodParametersElement* method_parameters_start() const;
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7402
diff changeset
361
0
a61af66fc99e Initial load
duke
parents:
diff changeset
362 // byte codes
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 579
diff changeset
363 void set_code(address code) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 579
diff changeset
364 if (code_size() > 0) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 579
diff changeset
365 memcpy(code_base(), code, code_size());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 579
diff changeset
366 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 579
diff changeset
367 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
368 address code_base() const { return (address) (this+1); }
a61af66fc99e Initial load
duke
parents:
diff changeset
369 address code_end() const { return code_base() + code_size(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
370 bool contains(address bcp) const { return code_base() <= bcp
a61af66fc99e Initial load
duke
parents:
diff changeset
371 && bcp < code_end(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
372 // Offset to bytecodes
a61af66fc99e Initial load
duke
parents:
diff changeset
373 static ByteSize codes_offset()
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
374 { return in_ByteSize(sizeof(ConstMethod)); }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
375
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
376 static ByteSize constants_offset()
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
377 { return byte_offset_of(ConstMethod, _constants); }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
378
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
379 static ByteSize max_stack_offset()
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
380 { return byte_offset_of(ConstMethod, _max_stack); }
7402
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
381 static ByteSize size_of_locals_offset()
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
382 { return byte_offset_of(ConstMethod, _max_locals); }
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
383 static ByteSize size_of_parameters_offset()
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
384 { return byte_offset_of(ConstMethod, _size_of_parameters); }
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
385
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
386
0
a61af66fc99e Initial load
duke
parents:
diff changeset
387 // Unique id for the method
a61af66fc99e Initial load
duke
parents:
diff changeset
388 static const u2 MAX_IDNUM;
a61af66fc99e Initial load
duke
parents:
diff changeset
389 static const u2 UNSET_IDNUM;
a61af66fc99e Initial load
duke
parents:
diff changeset
390 u2 method_idnum() const { return _method_idnum; }
a61af66fc99e Initial load
duke
parents:
diff changeset
391 void set_method_idnum(u2 idnum) { _method_idnum = idnum; }
a61af66fc99e Initial load
duke
parents:
diff changeset
392
7183
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
393 // max stack
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
394 int max_stack() const { return _max_stack; }
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
395 void set_max_stack(int size) { _max_stack = size; }
b2dbd323c668 8003848: Make ConstMethod::generic_signature_index optional and move Method::_max_stack to ConstMethod.
jiangli
parents: 6934
diff changeset
396
7402
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
397 // max locals
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
398 int max_locals() const { return _max_locals; }
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
399 void set_max_locals(int size) { _max_locals = size; }
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
400
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
401 // size of parameters
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
402 int size_of_parameters() const { return _size_of_parameters; }
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
403 void set_size_of_parameters(int size) { _size_of_parameters = size; }
fd74228fd5ca 8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents: 7183
diff changeset
404
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
405 // Deallocation for RedefineClasses
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
406 void deallocate_contents(ClassLoaderData* loader_data);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
407 bool is_klass() const { return false; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
408 DEBUG_ONLY(bool on_stack() { return false; })
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
409
0
a61af66fc99e Initial load
duke
parents:
diff changeset
410 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
411 // Since the size of the compressed line number table is unknown, the
a61af66fc99e Initial load
duke
parents:
diff changeset
412 // offsets of the other variable sized sections are computed backwards
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
413 // from the end of the ConstMethod*.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
414
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
415 // First byte after ConstMethod*
0
a61af66fc99e Initial load
duke
parents:
diff changeset
416 address constMethod_end() const
a61af66fc99e Initial load
duke
parents:
diff changeset
417 { return (address)((oop*)this + _constMethod_size); }
a61af66fc99e Initial load
duke
parents:
diff changeset
418
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
419 // Last short in ConstMethod*
0
a61af66fc99e Initial load
duke
parents:
diff changeset
420 u2* last_u2_element() const
a61af66fc99e Initial load
duke
parents:
diff changeset
421 { return (u2*)constMethod_end() - 1; }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
422
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
423 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
424 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
425 void print_on (outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
426 void print_value_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
427
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
428 const char* internal_name() const { return "{constMethod}"; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
429
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
430 // Verify
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6213
diff changeset
431 void verify_on(outputStream* st);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
432 };
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
433
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
434 #endif // SHARE_VM_OOPS_CONSTMETHODOOP_HPP