Tue, 08 Jan 2013 14:01:36 -0500
8004728: Add hotspot support for parameter reflection
Summary: Add hotspot support for parameter reflection
Reviewed-by: acorn, jrose, coleenp
Contributed-by: eric.mccorkle@oracle.com
duke@435 | 1 | /* |
jiangli@3826 | 2 | * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_OOPS_CONSTMETHODOOP_HPP |
stefank@2314 | 26 | #define SHARE_VM_OOPS_CONSTMETHODOOP_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "oops/oop.hpp" |
stefank@2314 | 29 | |
coleenp@4037 | 30 | // An ConstMethod* represents portions of a Java method which |
duke@435 | 31 | // do not vary. |
duke@435 | 32 | // |
duke@435 | 33 | // Memory layout (each line represents a word). Note that most |
duke@435 | 34 | // applications load thousands of methods, so keeping the size of this |
duke@435 | 35 | // structure small has a big impact on footprint. |
duke@435 | 36 | // |
duke@435 | 37 | // |------------------------------------------------------| |
duke@435 | 38 | // | header | |
duke@435 | 39 | // | klass | |
duke@435 | 40 | // |------------------------------------------------------| |
duke@435 | 41 | // | fingerprint 1 | |
duke@435 | 42 | // | fingerprint 2 | |
jiangli@3826 | 43 | // | constants (oop) | |
duke@435 | 44 | // | stackmap_data (oop) | |
duke@435 | 45 | // | constMethod_size | |
duke@435 | 46 | // | interp_kind | flags | code_size | |
duke@435 | 47 | // | name index | signature index | |
jiangli@4302 | 48 | // | method_idnum | max_stack | |
jiangli@4338 | 49 | // | max_locals | size_of_parameters | |
duke@435 | 50 | // |------------------------------------------------------| |
duke@435 | 51 | // | | |
duke@435 | 52 | // | byte codes | |
duke@435 | 53 | // | | |
duke@435 | 54 | // |------------------------------------------------------| |
duke@435 | 55 | // | compressed linenumber table | |
duke@435 | 56 | // | (see class CompressedLineNumberReadStream) | |
duke@435 | 57 | // | (note that length is unknown until decompressed) | |
duke@435 | 58 | // | (access flags bit tells whether table is present) | |
jiangli@4302 | 59 | // | (indexed from start of ConstMethod*) | |
duke@435 | 60 | // | (elements not necessarily sorted!) | |
duke@435 | 61 | // |------------------------------------------------------| |
duke@435 | 62 | // | localvariable table elements + length (length last) | |
duke@435 | 63 | // | (length is u2, elements are 6-tuples of u2) | |
duke@435 | 64 | // | (see class LocalVariableTableElement) | |
duke@435 | 65 | // | (access flags bit tells whether table is present) | |
jiangli@4302 | 66 | // | (indexed from end of ConstMethod*) | |
jiangli@3917 | 67 | // |------------------------------------------------------| |
jiangli@3917 | 68 | // | exception table + length (length last) | |
jiangli@3917 | 69 | // | (length is u2, elements are 4-tuples of u2) | |
jiangli@3917 | 70 | // | (see class ExceptionTableElement) | |
jiangli@3917 | 71 | // | (access flags bit tells whether table is present) | |
jiangli@4302 | 72 | // | (indexed from end of ConstMethod*) | |
duke@435 | 73 | // |------------------------------------------------------| |
duke@435 | 74 | // | checked exceptions elements + length (length last) | |
duke@435 | 75 | // | (length is u2, elements are u2) | |
duke@435 | 76 | // | (see class CheckedExceptionElement) | |
duke@435 | 77 | // | (access flags bit tells whether table is present) | |
jiangli@4302 | 78 | // | (indexed from end of ConstMethod*) | |
jiangli@4302 | 79 | // |------------------------------------------------------| |
coleenp@4398 | 80 | // | method parameters elements + length (length last) | |
coleenp@4398 | 81 | // | (length is u2, elements are u2, u4 structures) | |
coleenp@4398 | 82 | // | (see class MethodParametersElement) | |
coleenp@4398 | 83 | // | (access flags bit tells whether table is present) | |
coleenp@4398 | 84 | // | (indexed from end of ConstMethod*) | |
coleenp@4398 | 85 | // |------------------------------------------------------| |
jiangli@4302 | 86 | // | generic signature index (u2) | |
jiangli@4302 | 87 | // | (indexed from start of constMethodOop) | |
duke@435 | 88 | // |------------------------------------------------------| |
coleenp@4398 | 89 | // |
coleenp@4398 | 90 | // IMPORTANT: If anything gets added here, there need to be changes to |
coleenp@4398 | 91 | // ensure that ServicabilityAgent doesn't get broken as a result! |
duke@435 | 92 | |
duke@435 | 93 | |
coleenp@4037 | 94 | // Utitily class decribing elements in checked exceptions table inlined in Method*. |
duke@435 | 95 | class CheckedExceptionElement VALUE_OBJ_CLASS_SPEC { |
duke@435 | 96 | public: |
duke@435 | 97 | u2 class_cp_index; |
duke@435 | 98 | }; |
duke@435 | 99 | |
duke@435 | 100 | |
coleenp@4037 | 101 | // Utitily class decribing elements in local variable table inlined in Method*. |
duke@435 | 102 | class LocalVariableTableElement VALUE_OBJ_CLASS_SPEC { |
duke@435 | 103 | public: |
duke@435 | 104 | u2 start_bci; |
duke@435 | 105 | u2 length; |
duke@435 | 106 | u2 name_cp_index; |
duke@435 | 107 | u2 descriptor_cp_index; |
duke@435 | 108 | u2 signature_cp_index; |
duke@435 | 109 | u2 slot; |
duke@435 | 110 | }; |
duke@435 | 111 | |
jiangli@3917 | 112 | // Utitily class describing elements in exception table |
jiangli@3917 | 113 | class ExceptionTableElement VALUE_OBJ_CLASS_SPEC { |
jiangli@3917 | 114 | public: |
jiangli@3917 | 115 | u2 start_pc; |
jiangli@3917 | 116 | u2 end_pc; |
jiangli@3917 | 117 | u2 handler_pc; |
jiangli@3917 | 118 | u2 catch_type_index; |
jiangli@3917 | 119 | }; |
jiangli@3917 | 120 | |
coleenp@4398 | 121 | // Utility class describing elements in method parameters |
coleenp@4398 | 122 | class MethodParametersElement VALUE_OBJ_CLASS_SPEC { |
coleenp@4398 | 123 | public: |
coleenp@4398 | 124 | u2 name_cp_index; |
coleenp@4398 | 125 | u4 flags; |
coleenp@4398 | 126 | }; |
coleenp@4398 | 127 | |
coleenp@4037 | 128 | |
coleenp@4037 | 129 | class ConstMethod : public MetaspaceObj { |
duke@435 | 130 | friend class VMStructs; |
kamg@4245 | 131 | |
kamg@4245 | 132 | public: |
kamg@4245 | 133 | typedef enum { NORMAL, OVERPASS } MethodType; |
kamg@4245 | 134 | |
duke@435 | 135 | private: |
duke@435 | 136 | enum { |
duke@435 | 137 | _has_linenumber_table = 1, |
duke@435 | 138 | _has_checked_exceptions = 2, |
jiangli@3917 | 139 | _has_localvariable_table = 4, |
kamg@4245 | 140 | _has_exception_table = 8, |
jiangli@4302 | 141 | _has_generic_signature = 16, |
coleenp@4398 | 142 | _has_method_parameters = 32, |
coleenp@4398 | 143 | _is_overpass = 64 |
duke@435 | 144 | }; |
duke@435 | 145 | |
duke@435 | 146 | // Bit vector of signature |
duke@435 | 147 | // Callers interpret 0=not initialized yet and |
duke@435 | 148 | // -1=too many args to fix, must parse the slow way. |
duke@435 | 149 | // The real initial value is special to account for nonatomicity of 64 bit |
duke@435 | 150 | // loads and stores. This value may updated and read without a lock by |
duke@435 | 151 | // multiple threads, so is volatile. |
duke@435 | 152 | volatile uint64_t _fingerprint; |
duke@435 | 153 | |
coleenp@4037 | 154 | ConstantPool* _constants; // Constant pool |
duke@435 | 155 | |
duke@435 | 156 | // Raw stackmap data for the method |
coleenp@4037 | 157 | Array<u1>* _stackmap_data; |
duke@435 | 158 | |
duke@435 | 159 | int _constMethod_size; |
duke@435 | 160 | jbyte _interpreter_kind; |
duke@435 | 161 | jbyte _flags; |
duke@435 | 162 | |
coleenp@4037 | 163 | // Size of Java bytecodes allocated immediately after Method*. |
duke@435 | 164 | u2 _code_size; |
duke@435 | 165 | u2 _name_index; // Method name (index in constant pool) |
duke@435 | 166 | u2 _signature_index; // Method signature (index in constant pool) |
duke@435 | 167 | u2 _method_idnum; // unique identification number for the method within the class |
duke@435 | 168 | // initially corresponds to the index into the methods array. |
duke@435 | 169 | // but this may change with redefinition |
jiangli@4302 | 170 | u2 _max_stack; // Maximum number of entries on the expression stack |
jiangli@4338 | 171 | u2 _max_locals; // Number of local variables used by this method |
jiangli@4338 | 172 | u2 _size_of_parameters; // size of the parameter block (receiver + arguments) in words |
coleenp@4037 | 173 | |
coleenp@4037 | 174 | // Constructor |
coleenp@4037 | 175 | ConstMethod(int byte_code_size, |
kamg@4245 | 176 | int compressed_line_number_size, |
kamg@4245 | 177 | int localvariable_table_length, |
kamg@4245 | 178 | int exception_table_length, |
kamg@4245 | 179 | int checked_exceptions_length, |
coleenp@4398 | 180 | int method_parameters_length, |
jiangli@4302 | 181 | u2 generic_signature_index, |
kamg@4245 | 182 | MethodType is_overpass, |
kamg@4245 | 183 | int size); |
duke@435 | 184 | public: |
kamg@4245 | 185 | |
coleenp@4037 | 186 | static ConstMethod* allocate(ClassLoaderData* loader_data, |
kamg@4245 | 187 | int byte_code_size, |
kamg@4245 | 188 | int compressed_line_number_size, |
kamg@4245 | 189 | int localvariable_table_length, |
kamg@4245 | 190 | int exception_table_length, |
kamg@4245 | 191 | int checked_exceptions_length, |
coleenp@4398 | 192 | int method_parameters_length, |
jiangli@4302 | 193 | u2 generic_signature_index, |
kamg@4245 | 194 | MethodType mt, |
kamg@4245 | 195 | TRAPS); |
coleenp@4037 | 196 | |
coleenp@4037 | 197 | bool is_constMethod() const { return true; } |
coleenp@4037 | 198 | |
duke@435 | 199 | // Inlined tables |
jiangli@4302 | 200 | void set_inlined_tables_length(u2 generic_signature_index, |
jiangli@4302 | 201 | int checked_exceptions_len, |
duke@435 | 202 | int compressed_line_number_size, |
jiangli@3917 | 203 | int localvariable_table_len, |
coleenp@4398 | 204 | int exception_table_len, |
coleenp@4398 | 205 | int method_parameters_length); |
duke@435 | 206 | |
jiangli@4302 | 207 | bool has_generic_signature() const |
jiangli@4302 | 208 | { return (_flags & _has_generic_signature) != 0; } |
jiangli@4302 | 209 | |
duke@435 | 210 | bool has_linenumber_table() const |
duke@435 | 211 | { return (_flags & _has_linenumber_table) != 0; } |
duke@435 | 212 | |
duke@435 | 213 | bool has_checked_exceptions() const |
duke@435 | 214 | { return (_flags & _has_checked_exceptions) != 0; } |
duke@435 | 215 | |
duke@435 | 216 | bool has_localvariable_table() const |
duke@435 | 217 | { return (_flags & _has_localvariable_table) != 0; } |
duke@435 | 218 | |
jiangli@3917 | 219 | bool has_exception_handler() const |
jiangli@3917 | 220 | { return (_flags & _has_exception_table) != 0; } |
jiangli@3917 | 221 | |
coleenp@4398 | 222 | bool has_method_parameters() const |
coleenp@4398 | 223 | { return (_flags & _has_method_parameters) != 0; } |
coleenp@4398 | 224 | |
kamg@4245 | 225 | MethodType method_type() const { |
kamg@4245 | 226 | return ((_flags & _is_overpass) == 0) ? NORMAL : OVERPASS; |
kamg@4245 | 227 | } |
kamg@4245 | 228 | |
kamg@4245 | 229 | void set_method_type(MethodType mt) { |
kamg@4245 | 230 | if (mt == NORMAL) { |
kamg@4245 | 231 | _flags &= ~(_is_overpass); |
kamg@4245 | 232 | } else { |
kamg@4245 | 233 | _flags |= _is_overpass; |
kamg@4245 | 234 | } |
kamg@4245 | 235 | } |
kamg@4245 | 236 | |
kamg@4245 | 237 | |
duke@435 | 238 | void set_interpreter_kind(int kind) { _interpreter_kind = kind; } |
duke@435 | 239 | int interpreter_kind(void) const { return _interpreter_kind; } |
duke@435 | 240 | |
jiangli@3826 | 241 | // constant pool |
coleenp@4037 | 242 | ConstantPool* constants() const { return _constants; } |
coleenp@4037 | 243 | void set_constants(ConstantPool* c) { _constants = c; } |
duke@435 | 244 | |
coleenp@4037 | 245 | Method* method() const; |
duke@435 | 246 | |
duke@435 | 247 | // stackmap table data |
coleenp@4037 | 248 | Array<u1>* stackmap_data() const { return _stackmap_data; } |
coleenp@4037 | 249 | void set_stackmap_data(Array<u1>* sd) { _stackmap_data = sd; } |
duke@435 | 250 | bool has_stackmap_table() const { return _stackmap_data != NULL; } |
duke@435 | 251 | |
duke@435 | 252 | void init_fingerprint() { |
duke@435 | 253 | const uint64_t initval = CONST64(0x8000000000000000); |
duke@435 | 254 | _fingerprint = initval; |
duke@435 | 255 | } |
duke@435 | 256 | |
duke@435 | 257 | uint64_t fingerprint() const { |
duke@435 | 258 | // Since reads aren't atomic for 64 bits, if any of the high or low order |
duke@435 | 259 | // word is the initial value, return 0. See init_fingerprint for initval. |
duke@435 | 260 | uint high_fp = (uint)(_fingerprint >> 32); |
duke@435 | 261 | if ((int) _fingerprint == 0 || high_fp == 0x80000000) { |
duke@435 | 262 | return 0L; |
duke@435 | 263 | } else { |
duke@435 | 264 | return _fingerprint; |
duke@435 | 265 | } |
duke@435 | 266 | } |
duke@435 | 267 | |
duke@435 | 268 | uint64_t set_fingerprint(uint64_t new_fingerprint) { |
duke@435 | 269 | #ifdef ASSERT |
duke@435 | 270 | // Assert only valid if complete/valid 64 bit _fingerprint value is read. |
duke@435 | 271 | uint64_t oldfp = fingerprint(); |
duke@435 | 272 | #endif // ASSERT |
duke@435 | 273 | _fingerprint = new_fingerprint; |
duke@435 | 274 | assert(oldfp == 0L || new_fingerprint == oldfp, |
duke@435 | 275 | "fingerprint cannot change"); |
duke@435 | 276 | assert(((new_fingerprint >> 32) != 0x80000000) && (int)new_fingerprint !=0, |
duke@435 | 277 | "fingerprint should call init to set initial value"); |
duke@435 | 278 | return new_fingerprint; |
duke@435 | 279 | } |
duke@435 | 280 | |
duke@435 | 281 | // name |
duke@435 | 282 | int name_index() const { return _name_index; } |
duke@435 | 283 | void set_name_index(int index) { _name_index = index; } |
duke@435 | 284 | |
duke@435 | 285 | // signature |
duke@435 | 286 | int signature_index() const { return _signature_index; } |
duke@435 | 287 | void set_signature_index(int index) { _signature_index = index; } |
duke@435 | 288 | |
duke@435 | 289 | // generics support |
jiangli@4302 | 290 | int generic_signature_index() const { |
jiangli@4302 | 291 | if (has_generic_signature()) { |
jiangli@4302 | 292 | return *generic_signature_index_addr(); |
jiangli@4302 | 293 | } else { |
jiangli@4302 | 294 | return 0; |
jiangli@4302 | 295 | } |
jiangli@4302 | 296 | } |
jiangli@4302 | 297 | void set_generic_signature_index(u2 index) { |
jiangli@4302 | 298 | assert(has_generic_signature(), ""); |
jiangli@4302 | 299 | u2* addr = generic_signature_index_addr(); |
jiangli@4302 | 300 | *addr = index; |
jiangli@4302 | 301 | } |
duke@435 | 302 | |
duke@435 | 303 | // Sizing |
duke@435 | 304 | static int header_size() { |
coleenp@4037 | 305 | return sizeof(ConstMethod)/HeapWordSize; |
duke@435 | 306 | } |
duke@435 | 307 | |
coleenp@4037 | 308 | // Size needed |
coleenp@4037 | 309 | static int size(int code_size, int compressed_line_number_size, |
coleenp@4398 | 310 | int local_variable_table_length, |
coleenp@4398 | 311 | int exception_table_length, |
coleenp@4398 | 312 | int checked_exceptions_length, |
coleenp@4398 | 313 | int method_parameters_length, |
coleenp@4398 | 314 | u2 generic_signature_index); |
duke@435 | 315 | |
coleenp@4037 | 316 | int size() const { return _constMethod_size;} |
duke@435 | 317 | void set_constMethod_size(int size) { _constMethod_size = size; } |
duke@435 | 318 | |
duke@435 | 319 | // code size |
duke@435 | 320 | int code_size() const { return _code_size; } |
duke@435 | 321 | void set_code_size(int size) { |
duke@435 | 322 | assert(max_method_code_size < (1 << 16), |
duke@435 | 323 | "u2 is too small to hold method code size in general"); |
duke@435 | 324 | assert(0 <= size && size <= max_method_code_size, "invalid code size"); |
duke@435 | 325 | _code_size = size; |
duke@435 | 326 | } |
duke@435 | 327 | |
duke@435 | 328 | // linenumber table - note that length is unknown until decompression, |
duke@435 | 329 | // see class CompressedLineNumberReadStream. |
duke@435 | 330 | u_char* compressed_linenumber_table() const; // not preserved by gc |
jiangli@4302 | 331 | u2* generic_signature_index_addr() const; |
duke@435 | 332 | u2* checked_exceptions_length_addr() const; |
duke@435 | 333 | u2* localvariable_table_length_addr() const; |
jiangli@3917 | 334 | u2* exception_table_length_addr() const; |
coleenp@4398 | 335 | u2* method_parameters_length_addr() const; |
duke@435 | 336 | |
duke@435 | 337 | // checked exceptions |
duke@435 | 338 | int checked_exceptions_length() const; |
duke@435 | 339 | CheckedExceptionElement* checked_exceptions_start() const; |
duke@435 | 340 | |
duke@435 | 341 | // localvariable table |
duke@435 | 342 | int localvariable_table_length() const; |
duke@435 | 343 | LocalVariableTableElement* localvariable_table_start() const; |
duke@435 | 344 | |
jiangli@3917 | 345 | // exception table |
jiangli@3917 | 346 | int exception_table_length() const; |
jiangli@3917 | 347 | ExceptionTableElement* exception_table_start() const; |
jiangli@3917 | 348 | |
coleenp@4398 | 349 | // method parameters table |
coleenp@4398 | 350 | int method_parameters_length() const; |
coleenp@4398 | 351 | MethodParametersElement* method_parameters_start() const; |
coleenp@4398 | 352 | |
duke@435 | 353 | // byte codes |
twisti@1573 | 354 | void set_code(address code) { |
twisti@1573 | 355 | if (code_size() > 0) { |
twisti@1573 | 356 | memcpy(code_base(), code, code_size()); |
twisti@1573 | 357 | } |
twisti@1573 | 358 | } |
duke@435 | 359 | address code_base() const { return (address) (this+1); } |
duke@435 | 360 | address code_end() const { return code_base() + code_size(); } |
duke@435 | 361 | bool contains(address bcp) const { return code_base() <= bcp |
duke@435 | 362 | && bcp < code_end(); } |
duke@435 | 363 | // Offset to bytecodes |
duke@435 | 364 | static ByteSize codes_offset() |
coleenp@4037 | 365 | { return in_ByteSize(sizeof(ConstMethod)); } |
duke@435 | 366 | |
jiangli@3826 | 367 | static ByteSize constants_offset() |
coleenp@4037 | 368 | { return byte_offset_of(ConstMethod, _constants); } |
duke@435 | 369 | |
jiangli@4302 | 370 | static ByteSize max_stack_offset() |
jiangli@4302 | 371 | { return byte_offset_of(ConstMethod, _max_stack); } |
jiangli@4338 | 372 | static ByteSize size_of_locals_offset() |
jiangli@4338 | 373 | { return byte_offset_of(ConstMethod, _max_locals); } |
jiangli@4338 | 374 | static ByteSize size_of_parameters_offset() |
jiangli@4338 | 375 | { return byte_offset_of(ConstMethod, _size_of_parameters); } |
jiangli@4338 | 376 | |
jiangli@4302 | 377 | |
duke@435 | 378 | // Unique id for the method |
duke@435 | 379 | static const u2 MAX_IDNUM; |
duke@435 | 380 | static const u2 UNSET_IDNUM; |
duke@435 | 381 | u2 method_idnum() const { return _method_idnum; } |
duke@435 | 382 | void set_method_idnum(u2 idnum) { _method_idnum = idnum; } |
duke@435 | 383 | |
jiangli@4302 | 384 | // max stack |
jiangli@4302 | 385 | int max_stack() const { return _max_stack; } |
jiangli@4302 | 386 | void set_max_stack(int size) { _max_stack = size; } |
jiangli@4302 | 387 | |
jiangli@4338 | 388 | // max locals |
jiangli@4338 | 389 | int max_locals() const { return _max_locals; } |
jiangli@4338 | 390 | void set_max_locals(int size) { _max_locals = size; } |
jiangli@4338 | 391 | |
jiangli@4338 | 392 | // size of parameters |
jiangli@4338 | 393 | int size_of_parameters() const { return _size_of_parameters; } |
jiangli@4338 | 394 | void set_size_of_parameters(int size) { _size_of_parameters = size; } |
jiangli@4338 | 395 | |
coleenp@4037 | 396 | // Deallocation for RedefineClasses |
coleenp@4037 | 397 | void deallocate_contents(ClassLoaderData* loader_data); |
coleenp@4037 | 398 | bool is_klass() const { return false; } |
coleenp@4037 | 399 | DEBUG_ONLY(bool on_stack() { return false; }) |
coleenp@4037 | 400 | |
duke@435 | 401 | private: |
duke@435 | 402 | // Since the size of the compressed line number table is unknown, the |
duke@435 | 403 | // offsets of the other variable sized sections are computed backwards |
coleenp@4037 | 404 | // from the end of the ConstMethod*. |
duke@435 | 405 | |
coleenp@4037 | 406 | // First byte after ConstMethod* |
duke@435 | 407 | address constMethod_end() const |
duke@435 | 408 | { return (address)((oop*)this + _constMethod_size); } |
duke@435 | 409 | |
coleenp@4037 | 410 | // Last short in ConstMethod* |
duke@435 | 411 | u2* last_u2_element() const |
duke@435 | 412 | { return (u2*)constMethod_end() - 1; } |
coleenp@4037 | 413 | |
coleenp@4037 | 414 | public: |
coleenp@4037 | 415 | // Printing |
coleenp@4037 | 416 | void print_on (outputStream* st) const; |
coleenp@4037 | 417 | void print_value_on(outputStream* st) const; |
coleenp@4037 | 418 | |
coleenp@4037 | 419 | const char* internal_name() const { return "{constMethod}"; } |
coleenp@4037 | 420 | |
coleenp@4037 | 421 | // Verify |
coleenp@4037 | 422 | void verify_on(outputStream* st); |
duke@435 | 423 | }; |
stefank@2314 | 424 | |
stefank@2314 | 425 | #endif // SHARE_VM_OOPS_CONSTMETHODOOP_HPP |