truffle: src/share/vm/classfile/classFileParser.hpp annotate

annotate src/share/vm/classfile/classFileParser.hpp @ 6266:1d7922586cf6

7023639: JSR 292 method handle invocation needs a fast path for compiled code 6984705: JSR 292 method handle creation should not go through JNI Summary: remove assembly code for JDK 7 chained method handles Reviewed-by: jrose, twisti, kvn, mhaupt Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

author	twisti
date	Tue, 24 Jul 2012 10:51:00 -0700
parents	dd785aabe02b
children	da91efe96a93

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
5979 fc9d8850ab8b 7150058: Allocate symbols from null boot loader to an arena for NMT coleenp parents: 4744 diff changeset	2 * Copyright (c) 1997, 2012, 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
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	25 #ifndef SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	26 #define SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	28 #include "classfile/classFileStream.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	29 #include "memory/resourceArea.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	30 #include "oops/oop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	31 #include "oops/typeArrayOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	32 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	33 #include "utilities/accessFlags.hpp"
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	34 #include "classfile/symbolTable.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	35
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 2416 diff changeset	36 class FieldAllocationCount;
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 2416 diff changeset	37
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 2416 diff changeset	38
0 a61af66fc99e Initial load duke parents: diff changeset	39 // Parser for for .class files
a61af66fc99e Initial load duke parents: diff changeset	40 //
a61af66fc99e Initial load duke parents: diff changeset	41 // The bytes describing the class file structure is read from a Stream object
a61af66fc99e Initial load duke parents: diff changeset	42
a61af66fc99e Initial load duke parents: diff changeset	43 class ClassFileParser VALUE_OBJ_CLASS_SPEC {
a61af66fc99e Initial load duke parents: diff changeset	44 private:
a61af66fc99e Initial load duke parents: diff changeset	45 bool _need_verify;
a61af66fc99e Initial load duke parents: diff changeset	46 bool _relax_verify;
a61af66fc99e Initial load duke parents: diff changeset	47 u2 _major_version;
a61af66fc99e Initial load duke parents: diff changeset	48 u2 _minor_version;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	49 Symbol* _class_name;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 470 diff changeset	50 KlassHandle _host_klass;
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	51 GrowableArray<Handle>* _cp_patches; // overrides for CP entries
0 a61af66fc99e Initial load duke parents: diff changeset	52
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	53 // precomputed flags
0 a61af66fc99e Initial load duke parents: diff changeset	54 bool _has_finalizer;
a61af66fc99e Initial load duke parents: diff changeset	55 bool _has_empty_finalizer;
a61af66fc99e Initial load duke parents: diff changeset	56 bool _has_vanilla_constructor;
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	57 int _max_bootstrap_specifier_index; // detects BSS values
0 a61af66fc99e Initial load duke parents: diff changeset	58
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	59 // class attributes parsed before the instance klass is created:
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	60 bool _synthetic_flag;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	61 Symbol* _sourcefile;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	62 Symbol* _generic_signature;
6226 9c9fb30d2b3b Merge kvn parents: 6222 diff changeset	63 char* _sde_buffer;
9c9fb30d2b3b Merge kvn parents: 6222 diff changeset	64 int _sde_length;
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	65 typeArrayHandle _inner_classes;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	66 typeArrayHandle _annotations;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	67
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	68 void set_class_synthetic_flag(bool x) { _synthetic_flag = x; }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	69 void set_class_sourcefile(Symbol* x) { _sourcefile = x; }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	70 void set_class_generic_signature(Symbol* x) { _generic_signature = x; }
6226 9c9fb30d2b3b Merge kvn parents: 6222 diff changeset	71 void set_class_sde_buffer(char* x, int len) { _sde_buffer = x; _sde_length = len; }
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	72 void set_class_inner_classes(typeArrayHandle x) { _inner_classes = x; }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	73 void set_class_annotations(typeArrayHandle x) { _annotations = x; }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	74 void init_parsed_class_attributes() {
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	75 _synthetic_flag = false;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	76 _sourcefile = NULL;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	77 _generic_signature = NULL;
6226 9c9fb30d2b3b Merge kvn parents: 6222 diff changeset	78 _sde_buffer = NULL;
9c9fb30d2b3b Merge kvn parents: 6222 diff changeset	79 _sde_length = 0;
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	80 // initialize the other flags too:
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	81 _has_finalizer = _has_empty_finalizer = _has_vanilla_constructor = false;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	82 _max_bootstrap_specifier_index = -1;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	83 }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	84 void apply_parsed_class_attributes(instanceKlassHandle k); // update k
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	85
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	86 class AnnotationCollector {
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	87 public:
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	88 enum Location { _in_field, _in_method, _in_class };
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	89 enum ID {
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	90 _unknown = 0,
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	91 _method_ForceInline,
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6227 diff changeset	92 _method_DontInline,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6227 diff changeset	93 _method_LambdaForm_Compiled,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6227 diff changeset	94 _method_LambdaForm_Hidden,
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	95 _annotation_LIMIT
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	96 };
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	97 const Location _location;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	98 int _annotations_present;
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	99 AnnotationCollector(Location location)
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	100 : _location(location), _annotations_present(0)
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	101 {
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	102 assert((int)_annotation_LIMIT <= (int)sizeof(_annotations_present) * BitsPerByte, "");
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	103 }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	104 // If this annotation name has an ID, report it (or _none).
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	105 ID annotation_index(Symbol* name);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	106 // Set the annotation name:
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	107 void set_annotation(ID id) {
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	108 assert((int)id >= 0 && (int)id < (int)_annotation_LIMIT, "oob");
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	109 _annotations_present \|= nth_bit((int)id);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	110 }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	111 // Report if the annotation is present.
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	112 bool has_any_annotations() { return _annotations_present != 0; }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	113 bool has_annotation(ID id) { return (nth_bit((int)id) & _annotations_present) != 0; }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	114 };
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	115 class FieldAnnotationCollector: public AnnotationCollector {
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	116 public:
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	117 FieldAnnotationCollector() : AnnotationCollector(_in_field) { }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	118 void apply_to(FieldInfo* f);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	119 };
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	120 class MethodAnnotationCollector: public AnnotationCollector {
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	121 public:
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	122 MethodAnnotationCollector() : AnnotationCollector(_in_method) { }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	123 void apply_to(methodHandle m);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	124 };
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	125 class ClassAnnotationCollector: public AnnotationCollector {
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	126 public:
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	127 ClassAnnotationCollector() : AnnotationCollector(_in_class) { }
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	128 void apply_to(instanceKlassHandle k);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	129 };
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	130
0 a61af66fc99e Initial load duke parents: diff changeset	131 enum { fixed_buffer_size = 128 };
a61af66fc99e Initial load duke parents: diff changeset	132 u_char linenumbertable_buffer[fixed_buffer_size];
a61af66fc99e Initial load duke parents: diff changeset	133
a61af66fc99e Initial load duke parents: diff changeset	134 ClassFileStream* _stream; // Actual input stream
a61af66fc99e Initial load duke parents: diff changeset	135
a61af66fc99e Initial load duke parents: diff changeset	136 enum { LegalClass, LegalField, LegalMethod }; // used to verify unqualified names
a61af66fc99e Initial load duke parents: diff changeset	137
a61af66fc99e Initial load duke parents: diff changeset	138 // Accessors
a61af66fc99e Initial load duke parents: diff changeset	139 ClassFileStream* stream() { return _stream; }
a61af66fc99e Initial load duke parents: diff changeset	140 void set_stream(ClassFileStream* st) { _stream = st; }
a61af66fc99e Initial load duke parents: diff changeset	141
a61af66fc99e Initial load duke parents: diff changeset	142 // Constant pool parsing
5979 fc9d8850ab8b 7150058: Allocate symbols from null boot loader to an arena for NMT coleenp parents: 4744 diff changeset	143 void parse_constant_pool_entries(Handle class_loader,
fc9d8850ab8b 7150058: Allocate symbols from null boot loader to an arena for NMT coleenp parents: 4744 diff changeset	144 constantPoolHandle cp, int length, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	145
5979 fc9d8850ab8b 7150058: Allocate symbols from null boot loader to an arena for NMT coleenp parents: 4744 diff changeset	146 constantPoolHandle parse_constant_pool(Handle class_loader, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	147
a61af66fc99e Initial load duke parents: diff changeset	148 // Interface parsing
a61af66fc99e Initial load duke parents: diff changeset	149 objArrayHandle parse_interfaces(constantPoolHandle cp,
a61af66fc99e Initial load duke parents: diff changeset	150 int length,
a61af66fc99e Initial load duke parents: diff changeset	151 Handle class_loader,
a61af66fc99e Initial load duke parents: diff changeset	152 Handle protection_domain,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	153 Symbol* class_name,
0 a61af66fc99e Initial load duke parents: diff changeset	154 TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	155
a61af66fc99e Initial load duke parents: diff changeset	156 // Field parsing
a61af66fc99e Initial load duke parents: diff changeset	157 void parse_field_attributes(constantPoolHandle cp, u2 attributes_count,
a61af66fc99e Initial load duke parents: diff changeset	158 bool is_static, u2 signature_index,
a61af66fc99e Initial load duke parents: diff changeset	159 u2* constantvalue_index_addr,
a61af66fc99e Initial load duke parents: diff changeset	160 bool* is_synthetic_addr,
a61af66fc99e Initial load duke parents: diff changeset	161 u2* generic_signature_index_addr,
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	162 typeArrayHandle* field_annotations,
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	163 FieldAnnotationCollector* parsed_annotations,
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	164 TRAPS);
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 2416 diff changeset	165 typeArrayHandle parse_fields(Symbol* class_name,
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 2416 diff changeset	166 constantPoolHandle cp, bool is_interface,
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 2416 diff changeset	167 FieldAllocationCount *fac,
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 2416 diff changeset	168 objArrayHandle* fields_annotations,
4744 cd5d8cafcc84 7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type. jiangli parents: 3938 diff changeset	169 u2* java_fields_count_ptr, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	170
a61af66fc99e Initial load duke parents: diff changeset	171 // Method parsing
a61af66fc99e Initial load duke parents: diff changeset	172 methodHandle parse_method(constantPoolHandle cp, bool is_interface,
a61af66fc99e Initial load duke parents: diff changeset	173 AccessFlags* promoted_flags,
a61af66fc99e Initial load duke parents: diff changeset	174 typeArrayHandle* method_annotations,
a61af66fc99e Initial load duke parents: diff changeset	175 typeArrayHandle* method_parameter_annotations,
a61af66fc99e Initial load duke parents: diff changeset	176 typeArrayHandle* method_default_annotations,
a61af66fc99e Initial load duke parents: diff changeset	177 TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	178 objArrayHandle parse_methods (constantPoolHandle cp, bool is_interface,
a61af66fc99e Initial load duke parents: diff changeset	179 AccessFlags* promoted_flags,
a61af66fc99e Initial load duke parents: diff changeset	180 bool* has_final_method,
a61af66fc99e Initial load duke parents: diff changeset	181 objArrayOop* methods_annotations_oop,
a61af66fc99e Initial load duke parents: diff changeset	182 objArrayOop* methods_parameter_annotations_oop,
a61af66fc99e Initial load duke parents: diff changeset	183 objArrayOop* methods_default_annotations_oop,
a61af66fc99e Initial load duke parents: diff changeset	184 TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	185 typeArrayHandle sort_methods (objArrayHandle methods,
a61af66fc99e Initial load duke parents: diff changeset	186 objArrayHandle methods_annotations,
a61af66fc99e Initial load duke parents: diff changeset	187 objArrayHandle methods_parameter_annotations,
a61af66fc99e Initial load duke parents: diff changeset	188 objArrayHandle methods_default_annotations,
a61af66fc99e Initial load duke parents: diff changeset	189 TRAPS);
6213 8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table. jiangli parents: 5983 diff changeset	190 u2* parse_exception_table(u4 code_length, u4 exception_table_length,
8150fa46d2ed 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table. jiangli parents: 5983 diff changeset	191 constantPoolHandle cp, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	192 void parse_linenumber_table(
a61af66fc99e Initial load duke parents: diff changeset	193 u4 code_attribute_length, u4 code_length,
a61af66fc99e Initial load duke parents: diff changeset	194 CompressedLineNumberWriteStream** write_stream, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	195 u2* parse_localvariable_table(u4 code_length, u2 max_locals, u4 code_attribute_length,
a61af66fc99e Initial load duke parents: diff changeset	196 constantPoolHandle cp, u2* localvariable_table_length,
a61af66fc99e Initial load duke parents: diff changeset	197 bool isLVTT, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	198 u2* parse_checked_exceptions(u2* checked_exceptions_length, u4 method_attribute_length,
a61af66fc99e Initial load duke parents: diff changeset	199 constantPoolHandle cp, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	200 void parse_type_array(u2 array_length, u4 code_length, u4* u1_index, u4* u2_index,
a61af66fc99e Initial load duke parents: diff changeset	201 u1* u1_array, u2* u2_array, constantPoolHandle cp, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	202 typeArrayOop parse_stackmap_table(u4 code_attribute_length, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	203
a61af66fc99e Initial load duke parents: diff changeset	204 // Classfile attribute parsing
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	205 void parse_classfile_sourcefile_attribute(constantPoolHandle cp, TRAPS);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	206 void parse_classfile_source_debug_extension_attribute(constantPoolHandle cp, int length, TRAPS);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4744 diff changeset	207 u2 parse_classfile_inner_classes_attribute(u1* inner_classes_attribute_start,
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4744 diff changeset	208 bool parsed_enclosingmethod_attribute,
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4744 diff changeset	209 u2 enclosing_method_class_index,
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4744 diff changeset	210 u2 enclosing_method_method_index,
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4744 diff changeset	211 constantPoolHandle cp,
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	212 TRAPS);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	213 void parse_classfile_attributes(constantPoolHandle cp,
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	214 ClassAnnotationCollector* parsed_annotations,
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	215 TRAPS);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	216 void parse_classfile_synthetic_attribute(constantPoolHandle cp, TRAPS);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	217 void parse_classfile_signature_attribute(constantPoolHandle cp, TRAPS);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	218 void parse_classfile_bootstrap_methods_attribute(constantPoolHandle cp, u4 attribute_length, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	219
a61af66fc99e Initial load duke parents: diff changeset	220 // Annotations handling
a61af66fc99e Initial load duke parents: diff changeset	221 typeArrayHandle assemble_annotations(u1* runtime_visible_annotations,
a61af66fc99e Initial load duke parents: diff changeset	222 int runtime_visible_annotations_length,
a61af66fc99e Initial load duke parents: diff changeset	223 u1* runtime_invisible_annotations,
a61af66fc99e Initial load duke parents: diff changeset	224 int runtime_invisible_annotations_length, TRAPS);
6222 6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	225 int skip_annotation(u1* buffer, int limit, int index);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	226 int skip_annotation_value(u1* buffer, int limit, int index);
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	227 void parse_annotations(u1* buffer, int limit, constantPoolHandle cp,
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	228 /* Results (currently, only one result is supported): */
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	229 AnnotationCollector* result,
6d8f36bcef55 6711908: JVM needs direct access to some annotations jrose parents: 5983 diff changeset	230 TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	231
a61af66fc99e Initial load duke parents: diff changeset	232 // Final setup
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	233 unsigned int compute_oop_map_count(instanceKlassHandle super,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	234 unsigned int nonstatic_oop_count,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	235 int first_nonstatic_oop_offset);
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	236 void fill_oop_maps(instanceKlassHandle k,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	237 unsigned int nonstatic_oop_map_count,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	238 int* nonstatic_oop_offsets,
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	239 unsigned int* nonstatic_oop_counts);
0 a61af66fc99e Initial load duke parents: diff changeset	240 void set_precomputed_flags(instanceKlassHandle k);
a61af66fc99e Initial load duke parents: diff changeset	241 objArrayHandle compute_transitive_interfaces(instanceKlassHandle super,
a61af66fc99e Initial load duke parents: diff changeset	242 objArrayHandle local_ifs, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	243
a61af66fc99e Initial load duke parents: diff changeset	244 // Format checker methods
a61af66fc99e Initial load duke parents: diff changeset	245 void classfile_parse_error(const char* msg, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	246 void classfile_parse_error(const char* msg, int index, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	247 void classfile_parse_error(const char* msg, const char *name, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	248 void classfile_parse_error(const char* msg, int index, const char *name, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	249 inline void guarantee_property(bool b, const char* msg, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	250 if (!b) { classfile_parse_error(msg, CHECK); }
a61af66fc99e Initial load duke parents: diff changeset	251 }
a61af66fc99e Initial load duke parents: diff changeset	252
a61af66fc99e Initial load duke parents: diff changeset	253 inline void assert_property(bool b, const char* msg, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	254 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	255 if (!b) { fatal(msg); }
a61af66fc99e Initial load duke parents: diff changeset	256 #endif
a61af66fc99e Initial load duke parents: diff changeset	257 }
a61af66fc99e Initial load duke parents: diff changeset	258
a61af66fc99e Initial load duke parents: diff changeset	259 inline void check_property(bool property, const char* msg, int index, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	260 if (_need_verify) {
a61af66fc99e Initial load duke parents: diff changeset	261 guarantee_property(property, msg, index, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	262 } else {
a61af66fc99e Initial load duke parents: diff changeset	263 assert_property(property, msg, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	264 }
a61af66fc99e Initial load duke parents: diff changeset	265 }
a61af66fc99e Initial load duke parents: diff changeset	266
a61af66fc99e Initial load duke parents: diff changeset	267 inline void check_property(bool property, const char* msg, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	268 if (_need_verify) {
a61af66fc99e Initial load duke parents: diff changeset	269 guarantee_property(property, msg, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	270 } else {
a61af66fc99e Initial load duke parents: diff changeset	271 assert_property(property, msg, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	272 }
a61af66fc99e Initial load duke parents: diff changeset	273 }
a61af66fc99e Initial load duke parents: diff changeset	274
a61af66fc99e Initial load duke parents: diff changeset	275 inline void guarantee_property(bool b, const char* msg, int index, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	276 if (!b) { classfile_parse_error(msg, index, CHECK); }
a61af66fc99e Initial load duke parents: diff changeset	277 }
a61af66fc99e Initial load duke parents: diff changeset	278 inline void guarantee_property(bool b, const char* msg, const char *name, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	279 if (!b) { classfile_parse_error(msg, name, CHECK); }
a61af66fc99e Initial load duke parents: diff changeset	280 }
a61af66fc99e Initial load duke parents: diff changeset	281 inline void guarantee_property(bool b, const char* msg, int index, const char *name, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	282 if (!b) { classfile_parse_error(msg, index, name, CHECK); }
a61af66fc99e Initial load duke parents: diff changeset	283 }
a61af66fc99e Initial load duke parents: diff changeset	284
1586 086d73ccd6c0 6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases kamg parents: 974 diff changeset	285 void throwIllegalSignature(
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	286 const char* type, Symbol* name, Symbol* sig, TRAPS);
1586 086d73ccd6c0 6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases kamg parents: 974 diff changeset	287
0 a61af66fc99e Initial load duke parents: diff changeset	288 bool is_supported_version(u2 major, u2 minor);
a61af66fc99e Initial load duke parents: diff changeset	289 bool has_illegal_visibility(jint flags);
a61af66fc99e Initial load duke parents: diff changeset	290
a61af66fc99e Initial load duke parents: diff changeset	291 void verify_constantvalue(int constantvalue_index, int signature_index, constantPoolHandle cp, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	292 void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	293 void verify_legal_class_name(Symbol* name, TRAPS);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	294 void verify_legal_field_name(Symbol* name, TRAPS);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	295 void verify_legal_method_name(Symbol* name, TRAPS);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	296 void verify_legal_field_signature(Symbol* fieldname, Symbol* signature, TRAPS);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	297 int verify_legal_method_signature(Symbol* methodname, Symbol* signature, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	298 void verify_legal_class_modifiers(jint flags, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	299 void verify_legal_field_modifiers(jint flags, bool is_interface, TRAPS);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	300 void verify_legal_method_modifiers(jint flags, bool is_interface, Symbol* name, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	301 bool verify_unqualified_name(char* name, unsigned int length, int type);
a61af66fc99e Initial load duke parents: diff changeset	302 char* skip_over_field_name(char* name, bool slash_ok, unsigned int length);
a61af66fc99e Initial load duke parents: diff changeset	303 char* skip_over_field_signature(char* signature, bool void_ok, unsigned int length, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	304
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 470 diff changeset	305 bool is_anonymous() {
2416 38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2376 diff changeset	306 assert(EnableInvokeDynamic \|\| _host_klass.is_null(), "");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 470 diff changeset	307 return _host_klass.not_null();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 470 diff changeset	308 }
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	309 bool has_cp_patch_at(int index) {
2416 38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2376 diff changeset	310 assert(EnableInvokeDynamic, "");
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	311 assert(index >= 0, "oob");
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	312 return (_cp_patches != NULL
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	313 && index < _cp_patches->length()
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	314 && _cp_patches->adr_at(index)->not_null());
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	315 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	316 Handle cp_patch_at(int index) {
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	317 assert(has_cp_patch_at(index), "oob");
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	318 return _cp_patches->at(index);
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	319 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	320 Handle clear_cp_patch_at(int index) {
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	321 Handle patch = cp_patch_at(index);
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	322 _cp_patches->at_put(index, Handle());
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	323 assert(!has_cp_patch_at(index), "");
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	324 return patch;
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	325 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	326 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	327
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	328 // Wrapper for constantTag.is_klass_[or_]reference.
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	329 // 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	330 // 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	331 // %%% 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	332 bool is_klass_reference(constantPoolHandle cp, int index) {
2416 38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2376 diff changeset	333 return ((LinkWellKnownClasses \|\| EnableInvokeDynamic)
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	334 ? 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	335 : cp->tag_at(index).is_klass_reference());
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	336 }
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	337
0 a61af66fc99e Initial load duke parents: diff changeset	338 public:
a61af66fc99e Initial load duke parents: diff changeset	339 // Constructor
a61af66fc99e Initial load duke parents: diff changeset	340 ClassFileParser(ClassFileStream* st) { set_stream(st); }
a61af66fc99e Initial load duke parents: diff changeset	341
a61af66fc99e Initial load duke parents: diff changeset	342 // Parse .class file and return new klassOop. The klassOop is not hooked up
a61af66fc99e Initial load duke parents: diff changeset	343 // to the system dictionary or any other structures, so a .class file can
a61af66fc99e Initial load duke parents: diff changeset	344 // be loaded several times if desired.
a61af66fc99e Initial load duke parents: diff changeset	345 // The system dictionary hookup is done by the caller.
a61af66fc99e Initial load duke parents: diff changeset	346 //
a61af66fc99e Initial load duke parents: diff changeset	347 // "parsed_name" is updated by this method, and is the name found
a61af66fc99e Initial load duke parents: diff changeset	348 // while parsing the stream.
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	349 instanceKlassHandle parseClassFile(Symbol* name,
0 a61af66fc99e Initial load duke parents: diff changeset	350 Handle class_loader,
a61af66fc99e Initial load duke parents: diff changeset	351 Handle protection_domain,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	352 TempNewSymbol& parsed_name,
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 875 diff changeset	353 bool verify,
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	354 TRAPS) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 470 diff changeset	355 KlassHandle no_host_klass;
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 875 diff changeset	356 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	357 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	358 instanceKlassHandle parseClassFile(Symbol* name,
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	359 Handle class_loader,
a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	360 Handle protection_domain,
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 470 diff changeset	361 KlassHandle host_klass,
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 0 diff changeset	362 GrowableArray<Handle>* cp_patches,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	363 TempNewSymbol& parsed_name,
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 875 diff changeset	364 bool verify,
0 a61af66fc99e Initial load duke parents: diff changeset	365 TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	366
a61af66fc99e Initial load duke parents: diff changeset	367 // Verifier checks
a61af66fc99e Initial load duke parents: diff changeset	368 static void check_super_class_access(instanceKlassHandle this_klass, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	369 static void check_super_interface_access(instanceKlassHandle this_klass, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	370 static void check_final_method_override(instanceKlassHandle this_klass, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	371 static void check_illegal_static_method(instanceKlassHandle this_klass, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	372 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	373
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	374 #endif // SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP

Mercurial > hg > truffle

annotate src/share/vm/classfile/classFileParser.hpp @ 6266:1d7922586cf6