Mercurial > hg > truffle
annotate src/share/vm/prims/jvmtiClassFileReconstituter.cpp @ 20804:7848fc12602b
Merge with jdk8u40-b25
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Tue, 07 Apr 2015 14:58:49 +0200 |
| parents | 89152779163c 50054b63f0aa |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
14223
de6a9e811145
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
mikael
parents:
10228
diff
changeset
|
2 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
844
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
844
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:
844
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/symbolTable.hpp" | |
| 27 #include "interpreter/bytecodeStream.hpp" | |
| 3938 | 28 #include "oops/fieldStreams.hpp" |
| 1972 | 29 #include "prims/jvmtiClassFileReconstituter.hpp" |
| 30 #include "runtime/signature.hpp" | |
| 31 #ifdef TARGET_ARCH_x86 | |
| 32 # include "bytes_x86.hpp" | |
| 33 #endif | |
| 34 #ifdef TARGET_ARCH_sparc | |
| 35 # include "bytes_sparc.hpp" | |
| 36 #endif | |
| 37 #ifdef TARGET_ARCH_zero | |
| 38 # include "bytes_zero.hpp" | |
| 39 #endif | |
|
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
40 #ifdef TARGET_ARCH_arm |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
41 # include "bytes_arm.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
42 #endif |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
43 #ifdef TARGET_ARCH_ppc |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
44 # include "bytes_ppc.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
45 #endif |
|
6772
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
46 // FIXME: add Deprecated attribute |
| 0 | 47 // FIXME: fix Synthetic attribute |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
48 // FIXME: per Serguei, add error return handling for ConstantPool::copy_cpool_bytes() |
| 0 | 49 |
| 50 | |
| 51 // Write the field information portion of ClassFile structure | |
| 52 // JVMSpec| u2 fields_count; | |
| 53 // JVMSpec| field_info fields[fields_count]; | |
| 54 void JvmtiClassFileReconstituter::write_field_infos() { | |
| 55 HandleMark hm(thread()); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
56 Array<AnnotationArray*>* fields_anno = ikh()->fields_annotations(); |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
57 Array<AnnotationArray*>* fields_type_anno = ikh()->fields_type_annotations(); |
| 0 | 58 |
| 3938 | 59 // Compute the real number of Java fields |
| 60 int java_fields = ikh()->java_fields_count(); | |
| 61 | |
| 3944 | 62 write_u2(java_fields); |
| 3938 | 63 for (JavaFieldStream fs(ikh()); !fs.done(); fs.next()) { |
| 64 AccessFlags access_flags = fs.access_flags(); | |
| 65 int name_index = fs.name_index(); | |
| 66 int signature_index = fs.signature_index(); | |
| 67 int initial_value_index = fs.initval_index(); | |
| 0 | 68 guarantee(name_index != 0 && signature_index != 0, "bad constant pool index for field"); |
| 3938 | 69 // int offset = ikh()->field_offset( index ); |
| 70 int generic_signature_index = fs.generic_signature_index(); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
71 AnnotationArray* anno = fields_anno == NULL ? NULL : fields_anno->at(fs.index()); |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
72 AnnotationArray* type_anno = fields_type_anno == NULL ? NULL : fields_type_anno->at(fs.index()); |
| 0 | 73 |
| 74 // JVMSpec| field_info { | |
| 75 // JVMSpec| u2 access_flags; | |
| 76 // JVMSpec| u2 name_index; | |
| 77 // JVMSpec| u2 descriptor_index; | |
| 78 // JVMSpec| u2 attributes_count; | |
| 79 // JVMSpec| attribute_info attributes[attributes_count]; | |
| 80 // JVMSpec| } | |
| 81 | |
| 3938 | 82 write_u2(access_flags.as_int() & JVM_RECOGNIZED_FIELD_MODIFIERS); |
| 0 | 83 write_u2(name_index); |
| 84 write_u2(signature_index); | |
| 85 int attr_count = 0; | |
| 86 if (initial_value_index != 0) { | |
| 87 ++attr_count; | |
| 88 } | |
| 89 if (access_flags.is_synthetic()) { | |
| 90 // ++attr_count; | |
| 91 } | |
| 92 if (generic_signature_index != 0) { | |
| 93 ++attr_count; | |
| 94 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
95 if (anno != NULL) { |
| 0 | 96 ++attr_count; // has RuntimeVisibleAnnotations attribute |
| 97 } | |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
98 if (type_anno != NULL) { |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
99 ++attr_count; // has RuntimeVisibleTypeAnnotations attribute |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
100 } |
| 0 | 101 |
| 102 write_u2(attr_count); | |
| 103 | |
| 104 if (initial_value_index != 0) { | |
| 105 write_attribute_name_index("ConstantValue"); | |
| 106 write_u4(2); //length always 2 | |
| 107 write_u2(initial_value_index); | |
| 108 } | |
| 109 if (access_flags.is_synthetic()) { | |
| 110 // write_synthetic_attribute(); | |
| 111 } | |
| 112 if (generic_signature_index != 0) { | |
| 113 write_signature_attribute(generic_signature_index); | |
| 114 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
115 if (anno != NULL) { |
| 0 | 116 write_annotations_attribute("RuntimeVisibleAnnotations", anno); |
| 117 } | |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
118 if (type_anno != NULL) { |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
119 write_annotations_attribute("RuntimeVisibleTypeAnnotations", type_anno); |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
120 } |
| 0 | 121 } |
| 122 } | |
| 123 | |
| 124 // Write Code attribute | |
| 125 // JVMSpec| Code_attribute { | |
| 126 // JVMSpec| u2 attribute_name_index; | |
| 127 // JVMSpec| u4 attribute_length; | |
| 128 // JVMSpec| u2 max_stack; | |
| 129 // JVMSpec| u2 max_locals; | |
| 130 // JVMSpec| u4 code_length; | |
| 131 // JVMSpec| u1 code[code_length]; | |
| 132 // JVMSpec| u2 exception_table_length; | |
| 133 // JVMSpec| { u2 start_pc; | |
| 134 // JVMSpec| u2 end_pc; | |
| 135 // JVMSpec| u2 handler_pc; | |
| 136 // JVMSpec| u2 catch_type; | |
| 137 // JVMSpec| } exception_table[exception_table_length]; | |
| 138 // JVMSpec| u2 attributes_count; | |
| 139 // JVMSpec| attribute_info attributes[attributes_count]; | |
| 140 // JVMSpec| } | |
| 141 void JvmtiClassFileReconstituter::write_code_attribute(methodHandle method) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
142 ConstMethod* const_method = method->constMethod(); |
| 0 | 143 u2 line_num_cnt = 0; |
| 144 int stackmap_len = 0; | |
|
4718
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
145 int local_variable_table_length = 0; |
|
6772
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
146 int local_variable_type_table_length = 0; |
| 0 | 147 |
|
4718
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
148 // compute number and length of attributes |
| 0 | 149 int attr_count = 0; |
| 150 int attr_size = 0; | |
| 151 if (const_method->has_linenumber_table()) { | |
| 152 line_num_cnt = line_number_table_entries(method); | |
| 153 if (line_num_cnt != 0) { | |
| 154 ++attr_count; | |
| 155 // Compute the complete size of the line number table attribute: | |
| 156 // LineNumberTable_attribute { | |
| 157 // u2 attribute_name_index; | |
| 158 // u4 attribute_length; | |
| 159 // u2 line_number_table_length; | |
| 160 // { u2 start_pc; | |
| 161 // u2 line_number; | |
| 162 // } line_number_table[line_number_table_length]; | |
| 163 // } | |
| 164 attr_size += 2 + 4 + 2 + line_num_cnt * (2 + 2); | |
| 165 } | |
| 166 } | |
| 167 if (method->has_stackmap_table()) { | |
| 168 stackmap_len = method->stackmap_data()->length(); | |
| 169 if (stackmap_len != 0) { | |
| 170 ++attr_count; | |
| 171 // Compute the size of the stack map table attribute (VM stores raw): | |
| 172 // StackMapTable_attribute { | |
| 173 // u2 attribute_name_index; | |
| 174 // u4 attribute_length; | |
| 175 // u2 number_of_entries; | |
| 176 // stack_map_frame_entries[number_of_entries]; | |
| 177 // } | |
| 178 attr_size += 2 + 4 + stackmap_len; | |
| 179 } | |
| 180 } | |
|
4718
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
181 if (method->has_localvariable_table()) { |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
182 local_variable_table_length = method->localvariable_table_length(); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
183 if (local_variable_table_length != 0) { |
|
6772
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
184 ++attr_count; |
|
4718
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
185 // Compute the size of the local variable table attribute (VM stores raw): |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
186 // LocalVariableTable_attribute { |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
187 // u2 attribute_name_index; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
188 // u4 attribute_length; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
189 // u2 local_variable_table_length; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
190 // { |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
191 // u2 start_pc; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
192 // u2 length; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
193 // u2 name_index; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
194 // u2 descriptor_index; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
195 // u2 index; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
196 // } |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
197 attr_size += 2 + 4 + 2 + local_variable_table_length * (2 + 2 + 2 + 2 + 2); |
|
6772
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
198 |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
199 // Local variables with generic signatures must have LVTT entries |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
200 LocalVariableTableElement *elem = method->localvariable_table_start(); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
201 for (int idx = 0; idx < local_variable_table_length; idx++) { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
202 if (elem[idx].signature_cp_index != 0) { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
203 local_variable_type_table_length++; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
204 } |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
205 } |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
206 |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
207 if (local_variable_type_table_length != 0) { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
208 ++attr_count; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
209 // Compute the size of the local variable type table attribute (VM stores raw): |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
210 // LocalVariableTypeTable_attribute { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
211 // u2 attribute_name_index; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
212 // u4 attribute_length; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
213 // u2 local_variable_type_table_length; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
214 // { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
215 // u2 start_pc; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
216 // u2 length; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
217 // u2 name_index; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
218 // u2 signature_index; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
219 // u2 index; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
220 // } |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
221 attr_size += 2 + 4 + 2 + local_variable_type_table_length * (2 + 2 + 2 + 2 + 2); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
222 } |
|
4718
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
223 } |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
224 } |
| 0 | 225 |
|
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
226 ExceptionTable exception_table(method()); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
227 int exception_table_length = exception_table.length(); |
| 0 | 228 int code_size = const_method->code_size(); |
| 229 int size = | |
| 230 2+2+4 + // max_stack, max_locals, code_length | |
| 231 code_size + // code | |
| 232 2 + // exception_table_length | |
|
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
233 (2+2+2+2) * exception_table_length + // exception_table |
| 0 | 234 2 + // attributes_count |
| 235 attr_size; // attributes | |
| 236 | |
| 237 write_attribute_name_index("Code"); | |
| 238 write_u4(size); | |
|
6975
64812523d72e
7194607: VerifyLocalVariableTableOnRetransformTest.sh fails after JSR-292 merge
sspitsyn
parents:
6772
diff
changeset
|
239 write_u2(method->verifier_max_stack()); |
| 0 | 240 write_u2(method->max_locals()); |
| 241 write_u4(code_size); | |
| 242 copy_bytecodes(method, (unsigned char*)writeable_address(code_size)); | |
|
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
243 write_u2(exception_table_length); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
244 for (int index = 0; index < exception_table_length; index++) { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
245 write_u2(exception_table.start_pc(index)); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
246 write_u2(exception_table.end_pc(index)); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
247 write_u2(exception_table.handler_pc(index)); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
5967
diff
changeset
|
248 write_u2(exception_table.catch_type_index(index)); |
| 0 | 249 } |
| 250 write_u2(attr_count); | |
| 251 if (line_num_cnt != 0) { | |
| 252 write_line_number_table_attribute(method, line_num_cnt); | |
| 253 } | |
| 254 if (stackmap_len != 0) { | |
| 255 write_stackmap_table_attribute(method, stackmap_len); | |
| 256 } | |
|
4718
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
257 if (local_variable_table_length != 0) { |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
258 write_local_variable_table_attribute(method, local_variable_table_length); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
259 } |
|
6772
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
260 if (local_variable_type_table_length != 0) { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
261 write_local_variable_type_table_attribute(method, local_variable_type_table_length); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
262 } |
| 0 | 263 } |
| 264 | |
| 265 // Write Exceptions attribute | |
| 266 // JVMSpec| Exceptions_attribute { | |
| 267 // JVMSpec| u2 attribute_name_index; | |
| 268 // JVMSpec| u4 attribute_length; | |
| 269 // JVMSpec| u2 number_of_exceptions; | |
| 270 // JVMSpec| u2 exception_index_table[number_of_exceptions]; | |
| 271 // JVMSpec| } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
272 void JvmtiClassFileReconstituter::write_exceptions_attribute(ConstMethod* const_method) { |
| 0 | 273 CheckedExceptionElement* checked_exceptions = const_method->checked_exceptions_start(); |
| 274 int checked_exceptions_length = const_method->checked_exceptions_length(); | |
| 275 int size = | |
| 276 2 + // number_of_exceptions | |
| 277 2 * checked_exceptions_length; // exception_index_table | |
| 278 | |
| 279 write_attribute_name_index("Exceptions"); | |
| 280 write_u4(size); | |
| 281 write_u2(checked_exceptions_length); | |
| 282 for (int index = 0; index < checked_exceptions_length; index++) { | |
| 283 write_u2(checked_exceptions[index].class_cp_index); | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 // Write SourceFile attribute | |
| 288 // JVMSpec| SourceFile_attribute { | |
| 289 // JVMSpec| u2 attribute_name_index; | |
| 290 // JVMSpec| u4 attribute_length; | |
| 291 // JVMSpec| u2 sourcefile_index; | |
| 292 // JVMSpec| } | |
| 293 void JvmtiClassFileReconstituter::write_source_file_attribute() { | |
| 294 assert(ikh()->source_file_name() != NULL, "caller must check"); | |
| 295 | |
| 296 write_attribute_name_index("SourceFile"); | |
| 297 write_u4(2); // always length 2 | |
| 298 write_u2(symbol_to_cpool_index(ikh()->source_file_name())); | |
| 299 } | |
| 300 | |
| 301 // Write SourceDebugExtension attribute | |
| 302 // JSR45| SourceDebugExtension_attribute { | |
| 303 // JSR45| u2 attribute_name_index; | |
| 304 // JSR45| u4 attribute_length; | |
|
6203
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
5967
diff
changeset
|
305 // JSR45| u1 debug_extension[attribute_length]; |
| 0 | 306 // JSR45| } |
| 307 void JvmtiClassFileReconstituter::write_source_debug_extension_attribute() { | |
| 308 assert(ikh()->source_debug_extension() != NULL, "caller must check"); | |
| 309 | |
| 310 write_attribute_name_index("SourceDebugExtension"); | |
|
6203
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
5967
diff
changeset
|
311 int len = (int)strlen(ikh()->source_debug_extension()); |
|
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
5967
diff
changeset
|
312 write_u4(len); |
|
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
5967
diff
changeset
|
313 u1* ext = (u1*)ikh()->source_debug_extension(); |
|
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
5967
diff
changeset
|
314 for (int i=0; i<len; i++) { |
|
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
5967
diff
changeset
|
315 write_u1(ext[i]); |
|
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
5967
diff
changeset
|
316 } |
| 0 | 317 } |
| 318 | |
| 319 // Write (generic) Signature attribute | |
| 320 // JVMSpec| Signature_attribute { | |
| 321 // JVMSpec| u2 attribute_name_index; | |
| 322 // JVMSpec| u4 attribute_length; | |
| 323 // JVMSpec| u2 signature_index; | |
| 324 // JVMSpec| } | |
| 325 void JvmtiClassFileReconstituter::write_signature_attribute(u2 generic_signature_index) { | |
| 326 write_attribute_name_index("Signature"); | |
| 327 write_u4(2); // always length 2 | |
| 328 write_u2(generic_signature_index); | |
| 329 } | |
| 330 | |
| 331 // Compute the number of entries in the InnerClasses attribute | |
| 332 u2 JvmtiClassFileReconstituter::inner_classes_attribute_length() { | |
|
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
333 InnerClassesIterator iter(ikh()); |
|
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
334 return iter.length(); |
| 0 | 335 } |
| 336 | |
| 337 // Write an annotation attribute. The VM stores them in raw form, so all we need | |
| 338 // to do is add the attrubute name and fill in the length. | |
| 339 // JSR202| *Annotations_attribute { | |
| 340 // JSR202| u2 attribute_name_index; | |
| 341 // JSR202| u4 attribute_length; | |
| 342 // JSR202| ... | |
| 343 // JSR202| } | |
| 344 void JvmtiClassFileReconstituter::write_annotations_attribute(const char* attr_name, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
345 AnnotationArray* annos) { |
| 0 | 346 u4 length = annos->length(); |
| 347 write_attribute_name_index(attr_name); | |
| 348 write_u4(length); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
349 memcpy(writeable_address(length), annos->adr_at(0), length); |
| 0 | 350 } |
| 351 | |
|
10226
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
352 // BootstrapMethods_attribute { |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
353 // u2 attribute_name_index; |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
354 // u4 attribute_length; |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
355 // u2 num_bootstrap_methods; |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
356 // { u2 bootstrap_method_ref; |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
357 // u2 num_bootstrap_arguments; |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
358 // u2 bootstrap_arguments[num_bootstrap_arguments]; |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
359 // } bootstrap_methods[num_bootstrap_methods]; |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
360 // } |
|
10228
b5fef8013a95
8014044: Spelling error in JDK-8009615: boostrapmethod
sla
parents:
10226
diff
changeset
|
361 void JvmtiClassFileReconstituter::write_bootstrapmethod_attribute() { |
|
10226
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
362 Array<u2>* operands = cpool()->operands(); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
363 write_attribute_name_index("BootstrapMethods"); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
364 int num_bootstrap_methods = ConstantPool::operand_array_length(operands); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
365 |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
366 // calculate length of attribute |
|
10228
b5fef8013a95
8014044: Spelling error in JDK-8009615: boostrapmethod
sla
parents:
10226
diff
changeset
|
367 int length = sizeof(u2); // num_bootstrap_methods |
|
10226
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
368 for (int n = 0; n < num_bootstrap_methods; n++) { |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
369 u2 num_bootstrap_arguments = cpool()->operand_argument_count_at(n); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
370 length += sizeof(u2); // bootstrap_method_ref |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
371 length += sizeof(u2); // num_bootstrap_arguments |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
372 length += sizeof(u2) * num_bootstrap_arguments; // bootstrap_arguments[num_bootstrap_arguments] |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
373 } |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
374 write_u4(length); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
375 |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
376 // write attribute |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
377 write_u2(num_bootstrap_methods); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
378 for (int n = 0; n < num_bootstrap_methods; n++) { |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
379 u2 bootstrap_method_ref = cpool()->operand_bootstrap_method_ref_index_at(n); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
380 u2 num_bootstrap_arguments = cpool()->operand_argument_count_at(n); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
381 write_u2(bootstrap_method_ref); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
382 write_u2(num_bootstrap_arguments); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
383 for (int arg = 0; arg < num_bootstrap_arguments; arg++) { |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
384 u2 bootstrap_argument = cpool()->operand_argument_index_at(n, arg); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
385 write_u2(bootstrap_argument); |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
386 } |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
387 } |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
388 } |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
389 |
| 0 | 390 |
| 391 // Write InnerClasses attribute | |
| 392 // JVMSpec| InnerClasses_attribute { | |
| 393 // JVMSpec| u2 attribute_name_index; | |
| 394 // JVMSpec| u4 attribute_length; | |
| 395 // JVMSpec| u2 number_of_classes; | |
| 396 // JVMSpec| { u2 inner_class_info_index; | |
| 397 // JVMSpec| u2 outer_class_info_index; | |
| 398 // JVMSpec| u2 inner_name_index; | |
| 399 // JVMSpec| u2 inner_class_access_flags; | |
| 400 // JVMSpec| } classes[number_of_classes]; | |
| 401 // JVMSpec| } | |
| 402 void JvmtiClassFileReconstituter::write_inner_classes_attribute(int length) { | |
|
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
403 InnerClassesIterator iter(ikh()); |
|
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
404 guarantee(iter.length() != 0 && iter.length() == length, |
| 0 | 405 "caller must check"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
406 u2 entry_count = length / InstanceKlass::inner_class_next_offset; |
| 0 | 407 u4 size = 2 + entry_count * (2+2+2+2); |
| 408 | |
| 409 write_attribute_name_index("InnerClasses"); | |
| 410 write_u4(size); | |
| 411 write_u2(entry_count); | |
|
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
412 for (; !iter.done(); iter.next()) { |
|
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
413 write_u2(iter.inner_class_info_index()); |
|
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
414 write_u2(iter.outer_class_info_index()); |
|
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
415 write_u2(iter.inner_name_index()); |
|
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
5922
diff
changeset
|
416 write_u2(iter.inner_access_flags()); |
| 0 | 417 } |
| 418 } | |
| 419 | |
| 420 // Write Synthetic attribute | |
| 421 // JVMSpec| Synthetic_attribute { | |
| 422 // JVMSpec| u2 attribute_name_index; | |
| 423 // JVMSpec| u4 attribute_length; | |
| 424 // JVMSpec| } | |
| 425 void JvmtiClassFileReconstituter::write_synthetic_attribute() { | |
| 426 write_attribute_name_index("Synthetic"); | |
| 427 write_u4(0); //length always zero | |
| 428 } | |
| 429 | |
| 430 // Compute size of LineNumberTable | |
| 431 u2 JvmtiClassFileReconstituter::line_number_table_entries(methodHandle method) { | |
| 432 // The line number table is compressed so we don't know how big it is until decompressed. | |
| 433 // Decompression is really fast so we just do it twice. | |
| 434 u2 num_entries = 0; | |
| 435 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); | |
| 436 while (stream.read_pair()) { | |
| 437 num_entries++; | |
| 438 } | |
| 439 return num_entries; | |
| 440 } | |
| 441 | |
| 442 // Write LineNumberTable attribute | |
| 443 // JVMSpec| LineNumberTable_attribute { | |
| 444 // JVMSpec| u2 attribute_name_index; | |
| 445 // JVMSpec| u4 attribute_length; | |
| 446 // JVMSpec| u2 line_number_table_length; | |
| 447 // JVMSpec| { u2 start_pc; | |
| 448 // JVMSpec| u2 line_number; | |
| 449 // JVMSpec| } line_number_table[line_number_table_length]; | |
| 450 // JVMSpec| } | |
| 451 void JvmtiClassFileReconstituter::write_line_number_table_attribute(methodHandle method, | |
| 452 u2 num_entries) { | |
| 453 | |
| 454 write_attribute_name_index("LineNumberTable"); | |
| 455 write_u4(2 + num_entries * (2 + 2)); | |
| 456 write_u2(num_entries); | |
| 457 | |
| 458 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); | |
| 459 while (stream.read_pair()) { | |
| 460 write_u2(stream.bci()); | |
| 461 write_u2(stream.line()); | |
| 462 } | |
| 463 } | |
| 464 | |
|
6772
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
465 // Write LocalVariableTable attribute |
|
4718
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
466 // JVMSpec| LocalVariableTable_attribute { |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
467 // JVMSpec| u2 attribute_name_index; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
468 // JVMSpec| u4 attribute_length; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
469 // JVMSpec| u2 local_variable_table_length; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
470 // JVMSpec| { u2 start_pc; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
471 // JVMSpec| u2 length; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
472 // JVMSpec| u2 name_index; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
473 // JVMSpec| u2 descriptor_index; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
474 // JVMSpec| u2 index; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
475 // JVMSpec| } local_variable_table[local_variable_table_length]; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
476 // JVMSpec| } |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
477 void JvmtiClassFileReconstituter::write_local_variable_table_attribute(methodHandle method, u2 num_entries) { |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
478 write_attribute_name_index("LocalVariableTable"); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
479 write_u4(2 + num_entries * (2 + 2 + 2 + 2 + 2)); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
480 write_u2(num_entries); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
481 |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
482 assert(method->localvariable_table_length() == num_entries, "just checking"); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
483 |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
484 LocalVariableTableElement *elem = method->localvariable_table_start(); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
485 for (int j=0; j<method->localvariable_table_length(); j++) { |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
486 write_u2(elem->start_bci); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
487 write_u2(elem->length); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
488 write_u2(elem->name_cp_index); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
489 write_u2(elem->descriptor_cp_index); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
490 write_u2(elem->slot); |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
491 elem++; |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
492 } |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
493 } |
|
c01e115b095e
7064927: retransformClasses() does not pass in LocalVariableTable of a method
coleenp
parents:
3944
diff
changeset
|
494 |
|
6772
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
495 // Write LocalVariableTypeTable attribute |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
496 // JVMSpec| LocalVariableTypeTable_attribute { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
497 // JVMSpec| u2 attribute_name_index; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
498 // JVMSpec| u4 attribute_length; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
499 // JVMSpec| u2 local_variable_type_table_length; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
500 // JVMSpec| { u2 start_pc; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
501 // JVMSpec| u2 length; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
502 // JVMSpec| u2 name_index; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
503 // JVMSpec| u2 signature_index; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
504 // JVMSpec| u2 index; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
505 // JVMSpec| } local_variable_type_table[local_variable_type_table_length]; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
506 // JVMSpec| } |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
507 void JvmtiClassFileReconstituter::write_local_variable_type_table_attribute(methodHandle method, u2 num_entries) { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
508 write_attribute_name_index("LocalVariableTypeTable"); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
509 write_u4(2 + num_entries * (2 + 2 + 2 + 2 + 2)); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
510 write_u2(num_entries); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
511 |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
512 LocalVariableTableElement *elem = method->localvariable_table_start(); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
513 for (int j=0; j<method->localvariable_table_length(); j++) { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
514 if (elem->signature_cp_index > 0) { |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
515 // Local variable has a generic signature - write LVTT attribute entry |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
516 write_u2(elem->start_bci); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
517 write_u2(elem->length); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
518 write_u2(elem->name_cp_index); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
519 write_u2(elem->signature_cp_index); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
520 write_u2(elem->slot); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
521 num_entries--; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
522 } |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
523 elem++; |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
524 } |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
525 assert(num_entries == 0, "just checking"); |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
526 } |
|
1cb8583c3da8
7191786: retransformClasses() does not pass in LocalVariableTypeTable of a method
minqi
parents:
6725
diff
changeset
|
527 |
| 0 | 528 // Write stack map table attribute |
| 529 // JSR-202| StackMapTable_attribute { | |
| 530 // JSR-202| u2 attribute_name_index; | |
| 531 // JSR-202| u4 attribute_length; | |
| 532 // JSR-202| u2 number_of_entries; | |
| 533 // JSR-202| stack_map_frame_entries[number_of_entries]; | |
| 534 // JSR-202| } | |
| 535 void JvmtiClassFileReconstituter::write_stackmap_table_attribute(methodHandle method, | |
| 536 int stackmap_len) { | |
| 537 | |
| 538 write_attribute_name_index("StackMapTable"); | |
| 539 write_u4(stackmap_len); | |
| 540 memcpy( | |
| 541 writeable_address(stackmap_len), | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
542 (void*)(method->stackmap_data()->adr_at(0)), |
| 0 | 543 stackmap_len); |
| 544 } | |
| 545 | |
| 546 // Write one method_info structure | |
| 547 // JVMSpec| method_info { | |
| 548 // JVMSpec| u2 access_flags; | |
| 549 // JVMSpec| u2 name_index; | |
| 550 // JVMSpec| u2 descriptor_index; | |
| 551 // JVMSpec| u2 attributes_count; | |
| 552 // JVMSpec| attribute_info attributes[attributes_count]; | |
| 553 // JVMSpec| } | |
| 554 void JvmtiClassFileReconstituter::write_method_info(methodHandle method) { | |
| 555 AccessFlags access_flags = method->access_flags(); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
556 ConstMethod* const_method = method->constMethod(); |
| 0 | 557 u2 generic_signature_index = const_method->generic_signature_index(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
558 AnnotationArray* anno = method->annotations(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
559 AnnotationArray* param_anno = method->parameter_annotations(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
560 AnnotationArray* default_anno = method->annotation_default(); |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
561 AnnotationArray* type_anno = method->type_annotations(); |
| 0 | 562 |
|
10213
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
563 // skip generated default interface methods |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
564 if (method->is_overpass()) { |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
565 return; |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
566 } |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
567 |
| 0 | 568 write_u2(access_flags.get_flags() & JVM_RECOGNIZED_METHOD_MODIFIERS); |
| 569 write_u2(const_method->name_index()); | |
| 570 write_u2(const_method->signature_index()); | |
| 571 | |
| 572 // write attributes in the same order javac does, so we can test with byte for | |
| 573 // byte comparison | |
| 574 int attr_count = 0; | |
| 575 if (const_method->code_size() != 0) { | |
| 576 ++attr_count; // has Code attribute | |
| 577 } | |
| 578 if (const_method->has_checked_exceptions()) { | |
| 579 ++attr_count; // has Exceptions attribute | |
| 580 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
581 if (default_anno != NULL) { |
| 0 | 582 ++attr_count; // has AnnotationDefault attribute |
| 583 } | |
| 584 // Deprecated attribute would go here | |
| 585 if (access_flags.is_synthetic()) { // FIXME | |
| 586 // ++attr_count; | |
| 587 } | |
| 588 if (generic_signature_index != 0) { | |
| 589 ++attr_count; | |
| 590 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
591 if (anno != NULL) { |
| 0 | 592 ++attr_count; // has RuntimeVisibleAnnotations attribute |
| 593 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
594 if (param_anno != NULL) { |
| 0 | 595 ++attr_count; // has RuntimeVisibleParameterAnnotations attribute |
| 596 } | |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
597 if (type_anno != NULL) { |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
598 ++attr_count; // has RuntimeVisibleTypeAnnotations attribute |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
599 } |
| 0 | 600 |
| 601 write_u2(attr_count); | |
| 602 if (const_method->code_size() > 0) { | |
| 603 write_code_attribute(method); | |
| 604 } | |
| 605 if (const_method->has_checked_exceptions()) { | |
| 606 write_exceptions_attribute(const_method); | |
| 607 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
608 if (default_anno != NULL) { |
| 0 | 609 write_annotations_attribute("AnnotationDefault", default_anno); |
| 610 } | |
| 611 // Deprecated attribute would go here | |
| 612 if (access_flags.is_synthetic()) { | |
| 613 // write_synthetic_attribute(); | |
| 614 } | |
| 615 if (generic_signature_index != 0) { | |
| 616 write_signature_attribute(generic_signature_index); | |
| 617 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
618 if (anno != NULL) { |
| 0 | 619 write_annotations_attribute("RuntimeVisibleAnnotations", anno); |
| 620 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
621 if (param_anno != NULL) { |
| 0 | 622 write_annotations_attribute("RuntimeVisibleParameterAnnotations", param_anno); |
| 623 } | |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
624 if (type_anno != NULL) { |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
625 write_annotations_attribute("RuntimeVisibleTypeAnnotations", type_anno); |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
626 } |
| 0 | 627 } |
| 628 | |
| 629 // Write the class attributes portion of ClassFile structure | |
| 630 // JVMSpec| u2 attributes_count; | |
| 631 // JVMSpec| attribute_info attributes[attributes_count]; | |
| 632 void JvmtiClassFileReconstituter::write_class_attributes() { | |
| 633 u2 inner_classes_length = inner_classes_attribute_length(); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
634 Symbol* generic_signature = ikh()->generic_signature(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
635 AnnotationArray* anno = ikh()->class_annotations(); |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
636 AnnotationArray* type_anno = ikh()->class_type_annotations(); |
| 0 | 637 |
| 638 int attr_count = 0; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
639 if (generic_signature != NULL) { |
| 0 | 640 ++attr_count; |
| 641 } | |
| 642 if (ikh()->source_file_name() != NULL) { | |
| 643 ++attr_count; | |
| 644 } | |
| 645 if (ikh()->source_debug_extension() != NULL) { | |
| 646 ++attr_count; | |
| 647 } | |
| 648 if (inner_classes_length > 0) { | |
| 649 ++attr_count; | |
| 650 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
651 if (anno != NULL) { |
| 0 | 652 ++attr_count; // has RuntimeVisibleAnnotations attribute |
| 653 } | |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
654 if (type_anno != NULL) { |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
655 ++attr_count; // has RuntimeVisibleTypeAnnotations attribute |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
656 } |
|
10226
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
657 if (cpool()->operands() != NULL) { |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
658 ++attr_count; |
|
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
659 } |
| 0 | 660 |
| 661 write_u2(attr_count); | |
| 662 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
663 if (generic_signature != NULL) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
664 write_signature_attribute(symbol_to_cpool_index(generic_signature)); |
| 0 | 665 } |
| 666 if (ikh()->source_file_name() != NULL) { | |
| 667 write_source_file_attribute(); | |
| 668 } | |
| 669 if (ikh()->source_debug_extension() != NULL) { | |
| 670 write_source_debug_extension_attribute(); | |
| 671 } | |
| 672 if (inner_classes_length > 0) { | |
| 673 write_inner_classes_attribute(inner_classes_length); | |
| 674 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
675 if (anno != NULL) { |
| 0 | 676 write_annotations_attribute("RuntimeVisibleAnnotations", anno); |
| 677 } | |
|
20613
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
678 if (type_anno != NULL) { |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
679 write_annotations_attribute("RuntimeVisibleTypeAnnotations", type_anno); |
|
50054b63f0aa
8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
14223
diff
changeset
|
680 } |
|
10226
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
681 if (cpool()->operands() != NULL) { |
|
10228
b5fef8013a95
8014044: Spelling error in JDK-8009615: boostrapmethod
sla
parents:
10226
diff
changeset
|
682 write_bootstrapmethod_attribute(); |
|
10226
187154b7a226
8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes
sla
parents:
10213
diff
changeset
|
683 } |
| 0 | 684 } |
| 685 | |
| 686 // Write the method information portion of ClassFile structure | |
| 687 // JVMSpec| u2 methods_count; | |
| 688 // JVMSpec| method_info methods[methods_count]; | |
| 689 void JvmtiClassFileReconstituter::write_method_infos() { | |
| 690 HandleMark hm(thread()); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
691 Array<Method*>* methods = ikh()->methods(); |
| 0 | 692 int num_methods = methods->length(); |
|
10213
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
693 int num_overpass = 0; |
| 0 | 694 |
|
10213
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
695 // count the generated default interface methods |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
696 // these will not be re-created by write_method_info |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
697 // and should not be included in the total count |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
698 for (int index = 0; index < num_methods; index++) { |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
699 Method* method = methods->at(index); |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
700 if (method->is_overpass()) { |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
701 num_overpass++; |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
702 } |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
703 } |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
704 |
|
c456f4510385
8008453: JvmtiClassFileReconstituter does not recognize default methods
sla
parents:
6976
diff
changeset
|
705 write_u2(num_methods - num_overpass); |
| 0 | 706 if (JvmtiExport::can_maintain_original_method_order()) { |
| 707 int index; | |
| 708 int original_index; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
709 intArray method_order(num_methods, 0); |
| 0 | 710 |
| 711 // invert the method order mapping | |
| 712 for (index = 0; index < num_methods; index++) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
713 original_index = ikh()->method_ordering()->at(index); |
| 0 | 714 assert(original_index >= 0 && original_index < num_methods, |
| 715 "invalid original method index"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
716 method_order.at_put(original_index, index); |
| 0 | 717 } |
| 718 | |
| 719 // write in original order | |
| 720 for (original_index = 0; original_index < num_methods; original_index++) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
721 index = method_order.at(original_index); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
722 methodHandle method(thread(), methods->at(index)); |
| 0 | 723 write_method_info(method); |
| 724 } | |
| 725 } else { | |
| 726 // method order not preserved just dump the method infos | |
| 727 for (int index = 0; index < num_methods; index++) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
728 methodHandle method(thread(), methods->at(index)); |
| 0 | 729 write_method_info(method); |
| 730 } | |
| 731 } | |
| 732 } | |
| 733 | |
| 734 void JvmtiClassFileReconstituter::write_class_file_format() { | |
| 735 ReallocMark(); | |
| 736 | |
| 737 // JVMSpec| ClassFile { | |
| 738 // JVMSpec| u4 magic; | |
| 739 write_u4(0xCAFEBABE); | |
| 740 | |
| 741 // JVMSpec| u2 minor_version; | |
| 742 // JVMSpec| u2 major_version; | |
| 743 write_u2(ikh()->minor_version()); | |
| 744 u2 major = ikh()->major_version(); | |
| 745 write_u2(major); | |
| 746 | |
| 747 // JVMSpec| u2 constant_pool_count; | |
| 748 // JVMSpec| cp_info constant_pool[constant_pool_count-1]; | |
| 749 write_u2(cpool()->length()); | |
| 750 copy_cpool_bytes(writeable_address(cpool_size())); | |
| 751 | |
| 752 // JVMSpec| u2 access_flags; | |
| 753 write_u2(ikh()->access_flags().get_flags() & JVM_RECOGNIZED_CLASS_MODIFIERS); | |
| 754 | |
| 755 // JVMSpec| u2 this_class; | |
| 756 // JVMSpec| u2 super_class; | |
| 757 write_u2(class_symbol_to_cpool_index(ikh()->name())); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
758 Klass* super_class = ikh()->super(); |
| 0 | 759 write_u2(super_class == NULL? 0 : // zero for java.lang.Object |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
760 class_symbol_to_cpool_index(super_class->name())); |
| 0 | 761 |
| 762 // JVMSpec| u2 interfaces_count; | |
| 763 // JVMSpec| u2 interfaces[interfaces_count]; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
764 Array<Klass*>* interfaces = ikh()->local_interfaces(); |
| 0 | 765 int num_interfaces = interfaces->length(); |
| 766 write_u2(num_interfaces); | |
| 767 for (int index = 0; index < num_interfaces; index++) { | |
| 768 HandleMark hm(thread()); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
769 instanceKlassHandle iikh(thread(), interfaces->at(index)); |
| 0 | 770 write_u2(class_symbol_to_cpool_index(iikh->name())); |
| 771 } | |
| 772 | |
| 773 // JVMSpec| u2 fields_count; | |
| 774 // JVMSpec| field_info fields[fields_count]; | |
| 775 write_field_infos(); | |
| 776 | |
| 777 // JVMSpec| u2 methods_count; | |
| 778 // JVMSpec| method_info methods[methods_count]; | |
| 779 write_method_infos(); | |
| 780 | |
| 781 // JVMSpec| u2 attributes_count; | |
| 782 // JVMSpec| attribute_info attributes[attributes_count]; | |
| 783 // JVMSpec| } /* end ClassFile 8? | |
| 784 write_class_attributes(); | |
| 785 } | |
| 786 | |
| 787 address JvmtiClassFileReconstituter::writeable_address(size_t size) { | |
| 788 size_t used_size = _buffer_ptr - _buffer; | |
| 789 if (size + used_size >= _buffer_size) { | |
| 790 // compute the new buffer size: must be at least twice as big as before | |
| 791 // plus whatever new is being used; then convert to nice clean block boundary | |
| 792 size_t new_buffer_size = (size + _buffer_size*2 + 1) / initial_buffer_size | |
| 793 * initial_buffer_size; | |
| 794 | |
| 795 // VM goes belly-up if the memory isn't available, so cannot do OOM processing | |
| 796 _buffer = REALLOC_RESOURCE_ARRAY(u1, _buffer, _buffer_size, new_buffer_size); | |
| 797 _buffer_size = new_buffer_size; | |
| 798 _buffer_ptr = _buffer + used_size; | |
| 799 } | |
| 800 u1* ret_ptr = _buffer_ptr; | |
| 801 _buffer_ptr += size; | |
| 802 return ret_ptr; | |
| 803 } | |
| 804 | |
| 805 void JvmtiClassFileReconstituter::write_attribute_name_index(const char* name) { | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
806 TempNewSymbol sym = SymbolTable::probe(name, (int)strlen(name)); |
| 0 | 807 assert(sym != NULL, "attribute name symbol not found"); |
| 808 u2 attr_name_index = symbol_to_cpool_index(sym); | |
| 809 assert(attr_name_index != 0, "attribute name symbol not in constant pool"); | |
| 810 write_u2(attr_name_index); | |
| 811 } | |
| 812 | |
| 813 void JvmtiClassFileReconstituter::write_u1(u1 x) { | |
| 814 *writeable_address(1) = x; | |
| 815 } | |
| 816 | |
| 817 void JvmtiClassFileReconstituter::write_u2(u2 x) { | |
| 818 Bytes::put_Java_u2(writeable_address(2), x); | |
| 819 } | |
| 820 | |
| 821 void JvmtiClassFileReconstituter::write_u4(u4 x) { | |
| 822 Bytes::put_Java_u4(writeable_address(4), x); | |
| 823 } | |
| 824 | |
| 825 void JvmtiClassFileReconstituter::write_u8(u8 x) { | |
| 826 Bytes::put_Java_u8(writeable_address(8), x); | |
| 827 } | |
| 828 | |
| 829 void JvmtiClassFileReconstituter::copy_bytecodes(methodHandle mh, | |
| 830 unsigned char* bytecodes) { | |
| 831 // use a BytecodeStream to iterate over the bytecodes. JVM/fast bytecodes | |
| 832 // and the breakpoint bytecode are converted to their original bytecodes. | |
| 833 | |
| 834 BytecodeStream bs(mh); | |
| 835 | |
| 836 unsigned char* p = bytecodes; | |
| 837 Bytecodes::Code code; | |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6772
diff
changeset
|
838 bool is_rewritten = mh->method_holder()->is_rewritten(); |
| 0 | 839 |
| 840 while ((code = bs.next()) >= 0) { | |
| 841 assert(Bytecodes::is_java_code(code), "sanity check"); | |
| 842 assert(code != Bytecodes::_breakpoint, "sanity check"); | |
| 843 | |
| 844 // length of bytecode (mnemonic + operands) | |
| 845 address bcp = bs.bcp(); | |
| 1565 | 846 int len = bs.instruction_size(); |
| 0 | 847 assert(len > 0, "length must be > 0"); |
| 848 | |
| 849 // copy the bytecodes | |
| 850 *p = (unsigned char) (bs.is_wide()? Bytecodes::_wide : code); | |
| 851 if (len > 1) { | |
| 852 memcpy(p+1, bcp+1, len-1); | |
| 853 } | |
| 854 | |
| 855 // During linking the get/put and invoke instructions are rewritten | |
| 856 // with an index into the constant pool cache. The original constant | |
| 857 // pool index must be returned to caller. Rewrite the index. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
858 if (is_rewritten && len > 1) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
859 bool is_wide = false; |
| 0 | 860 switch (code) { |
| 861 case Bytecodes::_getstatic : // fall through | |
| 862 case Bytecodes::_putstatic : // fall through | |
| 863 case Bytecodes::_getfield : // fall through | |
| 864 case Bytecodes::_putfield : // fall through | |
| 865 case Bytecodes::_invokevirtual : // fall through | |
| 866 case Bytecodes::_invokespecial : // fall through | |
| 867 case Bytecodes::_invokestatic : // fall through | |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
0
diff
changeset
|
868 case Bytecodes::_invokedynamic : // fall through |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
869 case Bytecodes::_invokeinterface : { |
|
5922
ff29ce866f23
7118280: The gbyc00102 JCK7 test causes an assert in JVM 7.0 fastdebug mode
dsamersoff
parents:
4718
diff
changeset
|
870 assert(len == 3 || |
|
ff29ce866f23
7118280: The gbyc00102 JCK7 test causes an assert in JVM 7.0 fastdebug mode
dsamersoff
parents:
4718
diff
changeset
|
871 (code == Bytecodes::_invokeinterface && len == 5) || |
|
ff29ce866f23
7118280: The gbyc00102 JCK7 test causes an assert in JVM 7.0 fastdebug mode
dsamersoff
parents:
4718
diff
changeset
|
872 (code == Bytecodes::_invokedynamic && len == 5), |
| 0 | 873 "sanity check"); |
|
5922
ff29ce866f23
7118280: The gbyc00102 JCK7 test causes an assert in JVM 7.0 fastdebug mode
dsamersoff
parents:
4718
diff
changeset
|
874 |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
0
diff
changeset
|
875 int cpci = Bytes::get_native_u2(bcp+1); |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
0
diff
changeset
|
876 bool is_invokedynamic = (EnableInvokeDynamic && code == Bytecodes::_invokedynamic); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
877 ConstantPoolCacheEntry* entry; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
878 if (is_invokedynamic) { |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
0
diff
changeset
|
879 cpci = Bytes::get_native_u4(bcp+1); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
880 entry = mh->constants()->invokedynamic_cp_cache_entry_at(cpci); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
881 } else { |
| 0 | 882 // cache cannot be pre-fetched since some classes won't have it yet |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
883 entry = mh->constants()->cache()->entry_at(cpci); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
884 } |
| 0 | 885 int i = entry->constant_pool_index(); |
| 886 assert(i < mh->constants()->length(), "sanity check"); | |
| 887 Bytes::put_Java_u2((address)(p+1), (u2)i); // java byte ordering | |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
0
diff
changeset
|
888 if (is_invokedynamic) *(p+3) = *(p+4) = 0; |
| 0 | 889 break; |
| 890 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
891 case Bytecodes::_ldc_w: |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
892 is_wide = true; // fall through |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
893 case Bytecodes::_ldc: { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
894 if (bs.raw_code() == Bytecodes::_fast_aldc || bs.raw_code() == Bytecodes::_fast_aldc_w) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
895 int cpci = is_wide ? Bytes::get_native_u2(bcp+1) : (u1)(*(bcp+1)); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
896 int i = mh->constants()->object_to_cp_index(cpci); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
897 assert(i < mh->constants()->length(), "sanity check"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
898 if (is_wide) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
899 Bytes::put_Java_u2((address)(p+1), (u2)i); // java byte ordering |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
900 } else { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
901 *(p+1) = (u1)i; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
902 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
903 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
904 break; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
905 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6217
diff
changeset
|
906 } |
| 0 | 907 } |
| 908 | |
| 909 p += len; | |
| 910 } | |
| 911 } |