annotate src/share/vm/classfile/classFileParser.hpp @ 1913:3b2dea75431e

6984311: JSR 292 needs optional bootstrap method parameters Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands. Reviewed-by: twisti
author jrose
date Sat, 30 Oct 2010 13:08:23 -0700
parents d2e35ffae982
children f95d63e2154a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
1909
d2e35ffae982 6994630: java/lang/instrument/IsModifiableClassAgent.java fails with -XX:+EnableInvokeDynamic
twisti
parents: 1589
diff changeset
2 * Copyright (c) 1997, 2010, 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: 974
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 974
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: 974
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
a61af66fc99e Initial load
duke
parents:
diff changeset
25 // Parser for for .class files
a61af66fc99e Initial load
duke
parents:
diff changeset
26 //
a61af66fc99e Initial load
duke
parents:
diff changeset
27 // The bytes describing the class file structure is read from a Stream object
a61af66fc99e Initial load
duke
parents:
diff changeset
28
a61af66fc99e Initial load
duke
parents:
diff changeset
29 class ClassFileParser VALUE_OBJ_CLASS_SPEC {
a61af66fc99e Initial load
duke
parents:
diff changeset
30 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
31 bool _need_verify;
a61af66fc99e Initial load
duke
parents:
diff changeset
32 bool _relax_verify;
a61af66fc99e Initial load
duke
parents:
diff changeset
33 u2 _major_version;
a61af66fc99e Initial load
duke
parents:
diff changeset
34 u2 _minor_version;
a61af66fc99e Initial load
duke
parents:
diff changeset
35 symbolHandle _class_name;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
36 KlassHandle _host_klass;
431
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
37 GrowableArray<Handle>* _cp_patches; // overrides for CP entries
0
a61af66fc99e Initial load
duke
parents:
diff changeset
38
a61af66fc99e Initial load
duke
parents:
diff changeset
39 bool _has_finalizer;
a61af66fc99e Initial load
duke
parents:
diff changeset
40 bool _has_empty_finalizer;
a61af66fc99e Initial load
duke
parents:
diff changeset
41 bool _has_vanilla_constructor;
a61af66fc99e Initial load
duke
parents:
diff changeset
42
a61af66fc99e Initial load
duke
parents:
diff changeset
43 enum { fixed_buffer_size = 128 };
a61af66fc99e Initial load
duke
parents:
diff changeset
44 u_char linenumbertable_buffer[fixed_buffer_size];
a61af66fc99e Initial load
duke
parents:
diff changeset
45
a61af66fc99e Initial load
duke
parents:
diff changeset
46 ClassFileStream* _stream; // Actual input stream
a61af66fc99e Initial load
duke
parents:
diff changeset
47
a61af66fc99e Initial load
duke
parents:
diff changeset
48 enum { LegalClass, LegalField, LegalMethod }; // used to verify unqualified names
a61af66fc99e Initial load
duke
parents:
diff changeset
49
a61af66fc99e Initial load
duke
parents:
diff changeset
50 // Accessors
a61af66fc99e Initial load
duke
parents:
diff changeset
51 ClassFileStream* stream() { return _stream; }
a61af66fc99e Initial load
duke
parents:
diff changeset
52 void set_stream(ClassFileStream* st) { _stream = st; }
a61af66fc99e Initial load
duke
parents:
diff changeset
53
a61af66fc99e Initial load
duke
parents:
diff changeset
54 // Constant pool parsing
a61af66fc99e Initial load
duke
parents:
diff changeset
55 void parse_constant_pool_entries(constantPoolHandle cp, int length, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
56
a61af66fc99e Initial load
duke
parents:
diff changeset
57 constantPoolHandle parse_constant_pool(TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
58
1913
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 1909
diff changeset
59 static int start_operand_group(GrowableArray<int>* &operands, int op_count, TRAPS);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 1909
diff changeset
60 static void store_operand_array(GrowableArray<int>* operands, constantPoolHandle cp, TRAPS);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 1909
diff changeset
61
0
a61af66fc99e Initial load
duke
parents:
diff changeset
62 // Interface parsing
a61af66fc99e Initial load
duke
parents:
diff changeset
63 objArrayHandle parse_interfaces(constantPoolHandle cp,
a61af66fc99e Initial load
duke
parents:
diff changeset
64 int length,
a61af66fc99e Initial load
duke
parents:
diff changeset
65 Handle class_loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
66 Handle protection_domain,
a61af66fc99e Initial load
duke
parents:
diff changeset
67 symbolHandle class_name,
a61af66fc99e Initial load
duke
parents:
diff changeset
68 TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
69
a61af66fc99e Initial load
duke
parents:
diff changeset
70 // Field parsing
a61af66fc99e Initial load
duke
parents:
diff changeset
71 void parse_field_attributes(constantPoolHandle cp, u2 attributes_count,
a61af66fc99e Initial load
duke
parents:
diff changeset
72 bool is_static, u2 signature_index,
a61af66fc99e Initial load
duke
parents:
diff changeset
73 u2* constantvalue_index_addr,
a61af66fc99e Initial load
duke
parents:
diff changeset
74 bool* is_synthetic_addr,
a61af66fc99e Initial load
duke
parents:
diff changeset
75 u2* generic_signature_index_addr,
a61af66fc99e Initial load
duke
parents:
diff changeset
76 typeArrayHandle* field_annotations, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
77 typeArrayHandle parse_fields(constantPoolHandle cp, bool is_interface,
a61af66fc99e Initial load
duke
parents:
diff changeset
78 struct FieldAllocationCount *fac,
a61af66fc99e Initial load
duke
parents:
diff changeset
79 objArrayHandle* fields_annotations, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
80
a61af66fc99e Initial load
duke
parents:
diff changeset
81 // Method parsing
a61af66fc99e Initial load
duke
parents:
diff changeset
82 methodHandle parse_method(constantPoolHandle cp, bool is_interface,
a61af66fc99e Initial load
duke
parents:
diff changeset
83 AccessFlags* promoted_flags,
a61af66fc99e Initial load
duke
parents:
diff changeset
84 typeArrayHandle* method_annotations,
a61af66fc99e Initial load
duke
parents:
diff changeset
85 typeArrayHandle* method_parameter_annotations,
a61af66fc99e Initial load
duke
parents:
diff changeset
86 typeArrayHandle* method_default_annotations,
a61af66fc99e Initial load
duke
parents:
diff changeset
87 TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
88 objArrayHandle parse_methods (constantPoolHandle cp, bool is_interface,
a61af66fc99e Initial load
duke
parents:
diff changeset
89 AccessFlags* promoted_flags,
a61af66fc99e Initial load
duke
parents:
diff changeset
90 bool* has_final_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
91 objArrayOop* methods_annotations_oop,
a61af66fc99e Initial load
duke
parents:
diff changeset
92 objArrayOop* methods_parameter_annotations_oop,
a61af66fc99e Initial load
duke
parents:
diff changeset
93 objArrayOop* methods_default_annotations_oop,
a61af66fc99e Initial load
duke
parents:
diff changeset
94 TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
95 typeArrayHandle sort_methods (objArrayHandle methods,
a61af66fc99e Initial load
duke
parents:
diff changeset
96 objArrayHandle methods_annotations,
a61af66fc99e Initial load
duke
parents:
diff changeset
97 objArrayHandle methods_parameter_annotations,
a61af66fc99e Initial load
duke
parents:
diff changeset
98 objArrayHandle methods_default_annotations,
a61af66fc99e Initial load
duke
parents:
diff changeset
99 TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
100 typeArrayHandle parse_exception_table(u4 code_length, u4 exception_table_length,
a61af66fc99e Initial load
duke
parents:
diff changeset
101 constantPoolHandle cp, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
102 void parse_linenumber_table(
a61af66fc99e Initial load
duke
parents:
diff changeset
103 u4 code_attribute_length, u4 code_length,
a61af66fc99e Initial load
duke
parents:
diff changeset
104 CompressedLineNumberWriteStream** write_stream, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
105 u2* parse_localvariable_table(u4 code_length, u2 max_locals, u4 code_attribute_length,
a61af66fc99e Initial load
duke
parents:
diff changeset
106 constantPoolHandle cp, u2* localvariable_table_length,
a61af66fc99e Initial load
duke
parents:
diff changeset
107 bool isLVTT, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
108 u2* parse_checked_exceptions(u2* checked_exceptions_length, u4 method_attribute_length,
a61af66fc99e Initial load
duke
parents:
diff changeset
109 constantPoolHandle cp, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
110 void parse_type_array(u2 array_length, u4 code_length, u4* u1_index, u4* u2_index,
a61af66fc99e Initial load
duke
parents:
diff changeset
111 u1* u1_array, u2* u2_array, constantPoolHandle cp, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
112 typeArrayOop parse_stackmap_table(u4 code_attribute_length, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
113
a61af66fc99e Initial load
duke
parents:
diff changeset
114 // Classfile attribute parsing
a61af66fc99e Initial load
duke
parents:
diff changeset
115 void parse_classfile_sourcefile_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
116 void parse_classfile_source_debug_extension_attribute(constantPoolHandle cp,
a61af66fc99e Initial load
duke
parents:
diff changeset
117 instanceKlassHandle k, int length, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
118 u2 parse_classfile_inner_classes_attribute(constantPoolHandle cp,
a61af66fc99e Initial load
duke
parents:
diff changeset
119 instanceKlassHandle k, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
120 void parse_classfile_attributes(constantPoolHandle cp, instanceKlassHandle k, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
121 void parse_classfile_synthetic_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
122 void parse_classfile_signature_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
123
a61af66fc99e Initial load
duke
parents:
diff changeset
124 // Annotations handling
a61af66fc99e Initial load
duke
parents:
diff changeset
125 typeArrayHandle assemble_annotations(u1* runtime_visible_annotations,
a61af66fc99e Initial load
duke
parents:
diff changeset
126 int runtime_visible_annotations_length,
a61af66fc99e Initial load
duke
parents:
diff changeset
127 u1* runtime_invisible_annotations,
a61af66fc99e Initial load
duke
parents:
diff changeset
128 int runtime_invisible_annotations_length, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
129
a61af66fc99e Initial load
duke
parents:
diff changeset
130 // Final setup
939
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception
jcoomes
parents: 938
diff changeset
131 unsigned int compute_oop_map_count(instanceKlassHandle super,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception
jcoomes
parents: 938
diff changeset
132 unsigned int nonstatic_oop_count,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception
jcoomes
parents: 938
diff changeset
133 int first_nonstatic_oop_offset);
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception
jcoomes
parents: 938
diff changeset
134 void fill_oop_maps(instanceKlassHandle k,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception
jcoomes
parents: 938
diff changeset
135 unsigned int nonstatic_oop_map_count,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception
jcoomes
parents: 938
diff changeset
136 int* nonstatic_oop_offsets,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception
jcoomes
parents: 938
diff changeset
137 unsigned int* nonstatic_oop_counts);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
138 void set_precomputed_flags(instanceKlassHandle k);
a61af66fc99e Initial load
duke
parents:
diff changeset
139 objArrayHandle compute_transitive_interfaces(instanceKlassHandle super,
a61af66fc99e Initial load
duke
parents:
diff changeset
140 objArrayHandle local_ifs, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
141
a61af66fc99e Initial load
duke
parents:
diff changeset
142 // Special handling for certain classes.
a61af66fc99e Initial load
duke
parents:
diff changeset
143 // Add the "discovered" field to java.lang.ref.Reference if
a61af66fc99e Initial load
duke
parents:
diff changeset
144 // it does not exist.
a61af66fc99e Initial load
duke
parents:
diff changeset
145 void java_lang_ref_Reference_fix_pre(typeArrayHandle* fields_ptr,
a61af66fc99e Initial load
duke
parents:
diff changeset
146 constantPoolHandle cp, FieldAllocationCount *fac_ptr, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
147 // Adjust the field allocation counts for java.lang.Class to add
a61af66fc99e Initial load
duke
parents:
diff changeset
148 // fake fields.
a61af66fc99e Initial load
duke
parents:
diff changeset
149 void java_lang_Class_fix_pre(objArrayHandle* methods_ptr,
a61af66fc99e Initial load
duke
parents:
diff changeset
150 FieldAllocationCount *fac_ptr, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
151 // Adjust the next_nonstatic_oop_offset to place the fake fields
a61af66fc99e Initial load
duke
parents:
diff changeset
152 // before any Java fields.
a61af66fc99e Initial load
duke
parents:
diff changeset
153 void java_lang_Class_fix_post(int* next_nonstatic_oop_offset);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
154 // Adjust the field allocation counts for java.dyn.MethodHandle to add
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
155 // a fake address (void*) field.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
156 void java_dyn_MethodHandle_fix_pre(constantPoolHandle cp,
1909
d2e35ffae982 6994630: java/lang/instrument/IsModifiableClassAgent.java fails with -XX:+EnableInvokeDynamic
twisti
parents: 1589
diff changeset
157 typeArrayHandle fields,
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
158 FieldAllocationCount *fac_ptr, TRAPS);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
159
a61af66fc99e Initial load
duke
parents:
diff changeset
160 // Format checker methods
a61af66fc99e Initial load
duke
parents:
diff changeset
161 void classfile_parse_error(const char* msg, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
162 void classfile_parse_error(const char* msg, int index, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
163 void classfile_parse_error(const char* msg, const char *name, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
164 void classfile_parse_error(const char* msg, int index, const char *name, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
165 inline void guarantee_property(bool b, const char* msg, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
166 if (!b) { classfile_parse_error(msg, CHECK); }
a61af66fc99e Initial load
duke
parents:
diff changeset
167 }
a61af66fc99e Initial load
duke
parents:
diff changeset
168
a61af66fc99e Initial load
duke
parents:
diff changeset
169 inline void assert_property(bool b, const char* msg, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
170 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
171 if (!b) { fatal(msg); }
a61af66fc99e Initial load
duke
parents:
diff changeset
172 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
173 }
a61af66fc99e Initial load
duke
parents:
diff changeset
174
a61af66fc99e Initial load
duke
parents:
diff changeset
175 inline void check_property(bool property, const char* msg, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
176 if (_need_verify) {
a61af66fc99e Initial load
duke
parents:
diff changeset
177 guarantee_property(property, msg, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
178 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
179 assert_property(property, msg, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
180 }
a61af66fc99e Initial load
duke
parents:
diff changeset
181 }
a61af66fc99e Initial load
duke
parents:
diff changeset
182
a61af66fc99e Initial load
duke
parents:
diff changeset
183 inline void check_property(bool property, const char* msg, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
184 if (_need_verify) {
a61af66fc99e Initial load
duke
parents:
diff changeset
185 guarantee_property(property, msg, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
186 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
187 assert_property(property, msg, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
188 }
a61af66fc99e Initial load
duke
parents:
diff changeset
189 }
a61af66fc99e Initial load
duke
parents:
diff changeset
190
a61af66fc99e Initial load
duke
parents:
diff changeset
191 inline void guarantee_property(bool b, const char* msg, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
192 if (!b) { classfile_parse_error(msg, index, CHECK); }
a61af66fc99e Initial load
duke
parents:
diff changeset
193 }
a61af66fc99e Initial load
duke
parents:
diff changeset
194 inline void guarantee_property(bool b, const char* msg, const char *name, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
195 if (!b) { classfile_parse_error(msg, name, CHECK); }
a61af66fc99e Initial load
duke
parents:
diff changeset
196 }
a61af66fc99e Initial load
duke
parents:
diff changeset
197 inline void guarantee_property(bool b, const char* msg, int index, const char *name, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
198 if (!b) { classfile_parse_error(msg, index, name, CHECK); }
a61af66fc99e Initial load
duke
parents:
diff changeset
199 }
a61af66fc99e Initial load
duke
parents:
diff changeset
200
1586
086d73ccd6c0 6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents: 974
diff changeset
201 void throwIllegalSignature(
086d73ccd6c0 6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents: 974
diff changeset
202 const char* type, symbolHandle name, symbolHandle sig, TRAPS);
086d73ccd6c0 6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents: 974
diff changeset
203
0
a61af66fc99e Initial load
duke
parents:
diff changeset
204 bool is_supported_version(u2 major, u2 minor);
a61af66fc99e Initial load
duke
parents:
diff changeset
205 bool has_illegal_visibility(jint flags);
a61af66fc99e Initial load
duke
parents:
diff changeset
206
a61af66fc99e Initial load
duke
parents:
diff changeset
207 void verify_constantvalue(int constantvalue_index, int signature_index, constantPoolHandle cp, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
208 void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
209 void verify_legal_class_name(symbolHandle name, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
210 void verify_legal_field_name(symbolHandle name, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
211 void verify_legal_method_name(symbolHandle name, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
212 void verify_legal_field_signature(symbolHandle fieldname, symbolHandle signature, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
213 int verify_legal_method_signature(symbolHandle methodname, symbolHandle signature, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
214 void verify_legal_class_modifiers(jint flags, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
215 void verify_legal_field_modifiers(jint flags, bool is_interface, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
216 void verify_legal_method_modifiers(jint flags, bool is_interface, symbolHandle name, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
217 bool verify_unqualified_name(char* name, unsigned int length, int type);
a61af66fc99e Initial load
duke
parents:
diff changeset
218 char* skip_over_field_name(char* name, bool slash_ok, unsigned int length);
a61af66fc99e Initial load
duke
parents:
diff changeset
219 char* skip_over_field_signature(char* signature, bool void_ok, unsigned int length, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
220
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
221 bool is_anonymous() {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
222 assert(AnonymousClasses || _host_klass.is_null(), "");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
223 return _host_klass.not_null();
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
224 }
431
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
225 bool has_cp_patch_at(int index) {
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
226 assert(AnonymousClasses, "");
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
227 assert(index >= 0, "oob");
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
228 return (_cp_patches != NULL
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
229 && index < _cp_patches->length()
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
230 && _cp_patches->adr_at(index)->not_null());
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
231 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
232 Handle cp_patch_at(int index) {
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
233 assert(has_cp_patch_at(index), "oob");
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
234 return _cp_patches->at(index);
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
235 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
236 Handle clear_cp_patch_at(int index) {
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
237 Handle patch = cp_patch_at(index);
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
238 _cp_patches->at_put(index, Handle());
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
239 assert(!has_cp_patch_at(index), "");
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
240 return patch;
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
241 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
242 void patch_constant_pool(constantPoolHandle cp, int index, Handle patch, TRAPS);
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
243
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
244 // Wrapper for constantTag.is_klass_[or_]reference.
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
245 // In older versions of the VM, klassOops cannot sneak into early phases of
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
246 // constant pool construction, but in later versions they can.
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
247 // %%% Let's phase out the old is_klass_reference.
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
248 bool is_klass_reference(constantPoolHandle cp, int index) {
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
249 return ((LinkWellKnownClasses || AnonymousClasses)
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
250 ? cp->tag_at(index).is_klass_or_reference()
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
251 : cp->tag_at(index).is_klass_reference());
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
252 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
253
0
a61af66fc99e Initial load
duke
parents:
diff changeset
254 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
255 // Constructor
a61af66fc99e Initial load
duke
parents:
diff changeset
256 ClassFileParser(ClassFileStream* st) { set_stream(st); }
a61af66fc99e Initial load
duke
parents:
diff changeset
257
a61af66fc99e Initial load
duke
parents:
diff changeset
258 // Parse .class file and return new klassOop. The klassOop is not hooked up
a61af66fc99e Initial load
duke
parents:
diff changeset
259 // to the system dictionary or any other structures, so a .class file can
a61af66fc99e Initial load
duke
parents:
diff changeset
260 // be loaded several times if desired.
a61af66fc99e Initial load
duke
parents:
diff changeset
261 // The system dictionary hookup is done by the caller.
a61af66fc99e Initial load
duke
parents:
diff changeset
262 //
a61af66fc99e Initial load
duke
parents:
diff changeset
263 // "parsed_name" is updated by this method, and is the name found
a61af66fc99e Initial load
duke
parents:
diff changeset
264 // while parsing the stream.
a61af66fc99e Initial load
duke
parents:
diff changeset
265 instanceKlassHandle parseClassFile(symbolHandle name,
a61af66fc99e Initial load
duke
parents:
diff changeset
266 Handle class_loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
267 Handle protection_domain,
a61af66fc99e Initial load
duke
parents:
diff changeset
268 symbolHandle& parsed_name,
973
ad6585fd4087 6830542: Performance: JVM_DefineClass already verified.
acorn
parents: 875
diff changeset
269 bool verify,
431
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
270 TRAPS) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
271 KlassHandle no_host_klass;
973
ad6585fd4087 6830542: Performance: JVM_DefineClass already verified.
acorn
parents: 875
diff changeset
272 return parseClassFile(name, class_loader, protection_domain, no_host_klass, NULL, parsed_name, verify, THREAD);
431
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
273 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
274 instanceKlassHandle parseClassFile(symbolHandle name,
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
275 Handle class_loader,
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
276 Handle protection_domain,
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 470
diff changeset
277 KlassHandle host_klass,
431
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
278 GrowableArray<Handle>* cp_patches,
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 0
diff changeset
279 symbolHandle& parsed_name,
973
ad6585fd4087 6830542: Performance: JVM_DefineClass already verified.
acorn
parents: 875
diff changeset
280 bool verify,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
281 TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
282
a61af66fc99e Initial load
duke
parents:
diff changeset
283 // Verifier checks
a61af66fc99e Initial load
duke
parents:
diff changeset
284 static void check_super_class_access(instanceKlassHandle this_klass, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
285 static void check_super_interface_access(instanceKlassHandle this_klass, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
286 static void check_final_method_override(instanceKlassHandle this_klass, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
287 static void check_illegal_static_method(instanceKlassHandle this_klass, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
288 };