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comparison src/share/vm/classfile/classFileParser.hpp @ 710:e5b0439ef4ae

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6655638: dynamic languages need method handles Summary: initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.) Reviewed-by: kvn, twisti, never
author jrose
date Wed, 08 Apr 2009 10:56:49 -0700
parents ad8c8ca4ab0f
children 6a93908f268f
comparison
equal deleted inserted replaced
709:1d037ecd7960 710:e5b0439ef4ae
1 /* 1 /*
2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
31 bool _need_verify; 31 bool _need_verify;
32 bool _relax_verify; 32 bool _relax_verify;
33 u2 _major_version; 33 u2 _major_version;
34 u2 _minor_version; 34 u2 _minor_version;
35 symbolHandle _class_name; 35 symbolHandle _class_name;
36 KlassHandle _host_klass;
36 GrowableArray<Handle>* _cp_patches; // overrides for CP entries 37 GrowableArray<Handle>* _cp_patches; // overrides for CP entries
37 38
38 bool _has_finalizer; 39 bool _has_finalizer;
39 bool _has_empty_finalizer; 40 bool _has_empty_finalizer;
40 bool _has_vanilla_constructor; 41 bool _has_vanilla_constructor;
143 void java_lang_Class_fix_pre(objArrayHandle* methods_ptr, 144 void java_lang_Class_fix_pre(objArrayHandle* methods_ptr,
144 FieldAllocationCount *fac_ptr, TRAPS); 145 FieldAllocationCount *fac_ptr, TRAPS);
145 // Adjust the next_nonstatic_oop_offset to place the fake fields 146 // Adjust the next_nonstatic_oop_offset to place the fake fields
146 // before any Java fields. 147 // before any Java fields.
147 void java_lang_Class_fix_post(int* next_nonstatic_oop_offset); 148 void java_lang_Class_fix_post(int* next_nonstatic_oop_offset);
149 // Adjust the field allocation counts for java.dyn.MethodHandle to add
150 // a fake address (void*) field.
151 void java_dyn_MethodHandle_fix_pre(constantPoolHandle cp,
152 typeArrayHandle* fields_ptr,
153 FieldAllocationCount *fac_ptr, TRAPS);
148 154
149 // Format checker methods 155 // Format checker methods
150 void classfile_parse_error(const char* msg, TRAPS); 156 void classfile_parse_error(const char* msg, TRAPS);
151 void classfile_parse_error(const char* msg, int index, TRAPS); 157 void classfile_parse_error(const char* msg, int index, TRAPS);
152 void classfile_parse_error(const char* msg, const char *name, TRAPS); 158 void classfile_parse_error(const char* msg, const char *name, TRAPS);
202 void verify_legal_method_modifiers(jint flags, bool is_interface, symbolHandle name, TRAPS); 208 void verify_legal_method_modifiers(jint flags, bool is_interface, symbolHandle name, TRAPS);
203 bool verify_unqualified_name(char* name, unsigned int length, int type); 209 bool verify_unqualified_name(char* name, unsigned int length, int type);
204 char* skip_over_field_name(char* name, bool slash_ok, unsigned int length); 210 char* skip_over_field_name(char* name, bool slash_ok, unsigned int length);
205 char* skip_over_field_signature(char* signature, bool void_ok, unsigned int length, TRAPS); 211 char* skip_over_field_signature(char* signature, bool void_ok, unsigned int length, TRAPS);
206 212
213 bool is_anonymous() {
214 assert(AnonymousClasses || _host_klass.is_null(), "");
215 return _host_klass.not_null();
216 }
207 bool has_cp_patch_at(int index) { 217 bool has_cp_patch_at(int index) {
208 assert(AnonymousClasses, ""); 218 assert(AnonymousClasses, "");
209 assert(index >= 0, "oob"); 219 assert(index >= 0, "oob");
210 return (_cp_patches != NULL 220 return (_cp_patches != NULL
211 && index < _cp_patches->length() 221 && index < _cp_patches->length()
247 instanceKlassHandle parseClassFile(symbolHandle name, 257 instanceKlassHandle parseClassFile(symbolHandle name,
248 Handle class_loader, 258 Handle class_loader,
249 Handle protection_domain, 259 Handle protection_domain,
250 symbolHandle& parsed_name, 260 symbolHandle& parsed_name,
251 TRAPS) { 261 TRAPS) {
252 return parseClassFile(name, class_loader, protection_domain, NULL, parsed_name, THREAD); 262 KlassHandle no_host_klass;
263 return parseClassFile(name, class_loader, protection_domain, no_host_klass, NULL, parsed_name, THREAD);
253 } 264 }
254 instanceKlassHandle parseClassFile(symbolHandle name, 265 instanceKlassHandle parseClassFile(symbolHandle name,
255 Handle class_loader, 266 Handle class_loader,
256 Handle protection_domain, 267 Handle protection_domain,
268 KlassHandle host_klass,
257 GrowableArray<Handle>* cp_patches, 269 GrowableArray<Handle>* cp_patches,
258 symbolHandle& parsed_name, 270 symbolHandle& parsed_name,
259 TRAPS); 271 TRAPS);
260 272
261 // Verifier checks 273 // Verifier checks