Mercurial > hg > graal-compiler
view src/share/vm/classfile/classFileParser.hpp @ 396:4d05b7cb7842
6306922: Dump dump created by +HeapDumpOnOutOfMemoryError should include stack traces for stack roots
Summary: Include stack traces of all threads in the heap dump
Reviewed-by: alanb
author | mchung |
---|---|
date | Tue, 14 Oct 2008 15:16:38 -0700 |
parents | a61af66fc99e |
children | a45484ea312d |
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/* * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // Parser for for .class files // // The bytes describing the class file structure is read from a Stream object class ClassFileParser VALUE_OBJ_CLASS_SPEC { private: bool _need_verify; bool _relax_verify; u2 _major_version; u2 _minor_version; symbolHandle _class_name; bool _has_finalizer; bool _has_empty_finalizer; bool _has_vanilla_constructor; enum { fixed_buffer_size = 128 }; u_char linenumbertable_buffer[fixed_buffer_size]; ClassFileStream* _stream; // Actual input stream enum { LegalClass, LegalField, LegalMethod }; // used to verify unqualified names // Accessors ClassFileStream* stream() { return _stream; } void set_stream(ClassFileStream* st) { _stream = st; } // Constant pool parsing void parse_constant_pool_entries(constantPoolHandle cp, int length, TRAPS); constantPoolHandle parse_constant_pool(TRAPS); // Interface parsing objArrayHandle parse_interfaces(constantPoolHandle cp, int length, Handle class_loader, Handle protection_domain, PerfTraceTime* vmtimer, symbolHandle class_name, TRAPS); // Field parsing void parse_field_attributes(constantPoolHandle cp, u2 attributes_count, bool is_static, u2 signature_index, u2* constantvalue_index_addr, bool* is_synthetic_addr, u2* generic_signature_index_addr, typeArrayHandle* field_annotations, TRAPS); typeArrayHandle parse_fields(constantPoolHandle cp, bool is_interface, struct FieldAllocationCount *fac, objArrayHandle* fields_annotations, TRAPS); // Method parsing methodHandle parse_method(constantPoolHandle cp, bool is_interface, AccessFlags* promoted_flags, typeArrayHandle* method_annotations, typeArrayHandle* method_parameter_annotations, typeArrayHandle* method_default_annotations, TRAPS); objArrayHandle parse_methods (constantPoolHandle cp, bool is_interface, AccessFlags* promoted_flags, bool* has_final_method, objArrayOop* methods_annotations_oop, objArrayOop* methods_parameter_annotations_oop, objArrayOop* methods_default_annotations_oop, TRAPS); typeArrayHandle sort_methods (objArrayHandle methods, objArrayHandle methods_annotations, objArrayHandle methods_parameter_annotations, objArrayHandle methods_default_annotations, TRAPS); typeArrayHandle parse_exception_table(u4 code_length, u4 exception_table_length, constantPoolHandle cp, TRAPS); void parse_linenumber_table( u4 code_attribute_length, u4 code_length, CompressedLineNumberWriteStream** write_stream, TRAPS); u2* parse_localvariable_table(u4 code_length, u2 max_locals, u4 code_attribute_length, constantPoolHandle cp, u2* localvariable_table_length, bool isLVTT, TRAPS); u2* parse_checked_exceptions(u2* checked_exceptions_length, u4 method_attribute_length, constantPoolHandle cp, TRAPS); void parse_type_array(u2 array_length, u4 code_length, u4* u1_index, u4* u2_index, u1* u1_array, u2* u2_array, constantPoolHandle cp, TRAPS); typeArrayOop parse_stackmap_table(u4 code_attribute_length, TRAPS); // Classfile attribute parsing void parse_classfile_sourcefile_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS); void parse_classfile_source_debug_extension_attribute(constantPoolHandle cp, instanceKlassHandle k, int length, TRAPS); u2 parse_classfile_inner_classes_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS); void parse_classfile_attributes(constantPoolHandle cp, instanceKlassHandle k, TRAPS); void parse_classfile_synthetic_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS); void parse_classfile_signature_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS); // Annotations handling typeArrayHandle assemble_annotations(u1* runtime_visible_annotations, int runtime_visible_annotations_length, u1* runtime_invisible_annotations, int runtime_invisible_annotations_length, TRAPS); // Final setup int compute_oop_map_size(instanceKlassHandle super, int nonstatic_oop_count, int first_nonstatic_oop_offset); void fill_oop_maps(instanceKlassHandle k, int nonstatic_oop_map_count, u2* nonstatic_oop_offsets, u2* nonstatic_oop_length); void set_precomputed_flags(instanceKlassHandle k); objArrayHandle compute_transitive_interfaces(instanceKlassHandle super, objArrayHandle local_ifs, TRAPS); // Special handling for certain classes. // Add the "discovered" field to java.lang.ref.Reference if // it does not exist. void java_lang_ref_Reference_fix_pre(typeArrayHandle* fields_ptr, constantPoolHandle cp, FieldAllocationCount *fac_ptr, TRAPS); // Adjust the field allocation counts for java.lang.Class to add // fake fields. void java_lang_Class_fix_pre(objArrayHandle* methods_ptr, FieldAllocationCount *fac_ptr, TRAPS); // Adjust the next_nonstatic_oop_offset to place the fake fields // before any Java fields. void java_lang_Class_fix_post(int* next_nonstatic_oop_offset); // Format checker methods void classfile_parse_error(const char* msg, TRAPS); void classfile_parse_error(const char* msg, int index, TRAPS); void classfile_parse_error(const char* msg, const char *name, TRAPS); void classfile_parse_error(const char* msg, int index, const char *name, TRAPS); inline void guarantee_property(bool b, const char* msg, TRAPS) { if (!b) { classfile_parse_error(msg, CHECK); } } inline void assert_property(bool b, const char* msg, TRAPS) { #ifdef ASSERT if (!b) { fatal(msg); } #endif } inline void check_property(bool property, const char* msg, int index, TRAPS) { if (_need_verify) { guarantee_property(property, msg, index, CHECK); } else { assert_property(property, msg, CHECK); } } inline void check_property(bool property, const char* msg, TRAPS) { if (_need_verify) { guarantee_property(property, msg, CHECK); } else { assert_property(property, msg, CHECK); } } inline void guarantee_property(bool b, const char* msg, int index, TRAPS) { if (!b) { classfile_parse_error(msg, index, CHECK); } } inline void guarantee_property(bool b, const char* msg, const char *name, TRAPS) { if (!b) { classfile_parse_error(msg, name, CHECK); } } inline void guarantee_property(bool b, const char* msg, int index, const char *name, TRAPS) { if (!b) { classfile_parse_error(msg, index, name, CHECK); } } bool is_supported_version(u2 major, u2 minor); bool has_illegal_visibility(jint flags); void verify_constantvalue(int constantvalue_index, int signature_index, constantPoolHandle cp, TRAPS); void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS); void verify_legal_class_name(symbolHandle name, TRAPS); void verify_legal_field_name(symbolHandle name, TRAPS); void verify_legal_method_name(symbolHandle name, TRAPS); void verify_legal_field_signature(symbolHandle fieldname, symbolHandle signature, TRAPS); int verify_legal_method_signature(symbolHandle methodname, symbolHandle signature, TRAPS); void verify_legal_class_modifiers(jint flags, TRAPS); void verify_legal_field_modifiers(jint flags, bool is_interface, TRAPS); void verify_legal_method_modifiers(jint flags, bool is_interface, symbolHandle name, TRAPS); bool verify_unqualified_name(char* name, unsigned int length, int type); char* skip_over_field_name(char* name, bool slash_ok, unsigned int length); char* skip_over_field_signature(char* signature, bool void_ok, unsigned int length, TRAPS); public: // Constructor ClassFileParser(ClassFileStream* st) { set_stream(st); } // Parse .class file and return new klassOop. The klassOop is not hooked up // to the system dictionary or any other structures, so a .class file can // be loaded several times if desired. // The system dictionary hookup is done by the caller. // // "parsed_name" is updated by this method, and is the name found // while parsing the stream. instanceKlassHandle parseClassFile(symbolHandle name, Handle class_loader, Handle protection_domain, symbolHandle& parsed_name, TRAPS); // Verifier checks static void check_super_class_access(instanceKlassHandle this_klass, TRAPS); static void check_super_interface_access(instanceKlassHandle this_klass, TRAPS); static void check_final_method_override(instanceKlassHandle this_klass, TRAPS); static void check_illegal_static_method(instanceKlassHandle this_klass, TRAPS); };