1 /* 2 * Copyright (c) 1997, 2024, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_MEMORY_ALLOCATION_HPP 26 #define SHARE_MEMORY_ALLOCATION_HPP 27 28 #include "memory/allStatic.hpp" 29 #include "nmt/memTag.hpp" 30 #include "utilities/debug.hpp" 31 #include "utilities/globalDefinitions.hpp" 32 #include "utilities/macros.hpp" 33 34 #include <new> 35 36 class outputStream; 37 class Thread; 38 class JavaThread; 39 40 class AllocFailStrategy { 41 public: 42 enum AllocFailEnum { EXIT_OOM, RETURN_NULL }; 43 }; 44 typedef AllocFailStrategy::AllocFailEnum AllocFailType; 45 46 // The virtual machine must never call one of the implicitly declared 47 // global allocation or deletion functions. (Such calls may result in 48 // link-time or run-time errors.) For convenience and documentation of 49 // intended use, classes in the virtual machine may be derived from one 50 // of the following allocation classes, some of which define allocation 51 // and deletion functions. 52 // Note: std::malloc and std::free should never called directly. 53 54 // 55 // For objects allocated in the resource area (see resourceArea.hpp). 56 // - ResourceObj 57 // 58 // For objects allocated in the C-heap (managed by: free & malloc and tracked with NMT) 59 // - CHeapObj 60 // 61 // For objects allocated on the stack. 62 // - StackObj 63 // 64 // For classes used as name spaces. 65 // - AllStatic 66 // 67 // For classes in Metaspace (class data) 68 // - MetaspaceObj 69 // 70 // The printable subclasses are used for debugging and define virtual 71 // member functions for printing. Classes that avoid allocating the 72 // vtbl entries in the objects should therefore not be the printable 73 // subclasses. 74 // 75 // The following macros and function should be used to allocate memory 76 // directly in the resource area or in the C-heap, The _OBJ variants 77 // of the NEW/FREE_C_HEAP macros are used for alloc/dealloc simple 78 // objects which are not inherited from CHeapObj, note constructor and 79 // destructor are not called. The preferable way to allocate objects 80 // is using the new operator. 81 // 82 // WARNING: The array variant must only be used for a homogeneous array 83 // where all objects are of the exact type specified. If subtypes are 84 // stored in the array then must pay attention to calling destructors 85 // at needed. 86 // 87 // NEW_RESOURCE_ARRAY* 88 // REALLOC_RESOURCE_ARRAY* 89 // FREE_RESOURCE_ARRAY* 90 // NEW_RESOURCE_OBJ* 91 // NEW_C_HEAP_ARRAY* 92 // REALLOC_C_HEAP_ARRAY* 93 // FREE_C_HEAP_ARRAY* 94 // NEW_C_HEAP_OBJ* 95 // FREE_C_HEAP_OBJ 96 // 97 // char* AllocateHeap(size_t size, MemTag mem_tag, const NativeCallStack& stack, AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 98 // char* AllocateHeap(size_t size, MemTag mem_tag, AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 99 // char* ReallocateHeap(char *old, size_t size, MemTag mem_tag, AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 100 // void FreeHeap(void* p); 101 // 102 103 extern bool NMT_track_callsite; 104 105 class NativeCallStack; 106 107 108 char* AllocateHeap(size_t size, 109 MemTag mem_tag, 110 const NativeCallStack& stack, 111 AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 112 char* AllocateHeap(size_t size, 113 MemTag mem_tag, 114 AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 115 116 char* ReallocateHeap(char *old, 117 size_t size, 118 MemTag mem_tag, 119 AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 120 121 // handles null pointers 122 void FreeHeap(void* p); 123 124 class CHeapObjBase { 125 public: 126 ALWAYSINLINE void* operator new(size_t size, MemTag mem_tag) { 127 return AllocateHeap(size, mem_tag); 128 } 129 130 ALWAYSINLINE void* operator new(size_t size, 131 MemTag mem_tag, 132 const NativeCallStack& stack) { 133 return AllocateHeap(size, mem_tag, stack); 134 } 135 136 ALWAYSINLINE void* operator new(size_t size, 137 MemTag mem_tag, 138 const std::nothrow_t&, 139 const NativeCallStack& stack) throw() { 140 return AllocateHeap(size, mem_tag, stack, AllocFailStrategy::RETURN_NULL); 141 } 142 143 ALWAYSINLINE void* operator new(size_t size, 144 MemTag mem_tag, 145 const std::nothrow_t&) throw() { 146 return AllocateHeap(size, mem_tag, AllocFailStrategy::RETURN_NULL); 147 } 148 149 ALWAYSINLINE void* operator new[](size_t size, MemTag mem_tag) { 150 return AllocateHeap(size, mem_tag); 151 } 152 153 ALWAYSINLINE void* operator new[](size_t size, 154 MemTag mem_tag, 155 const NativeCallStack& stack) { 156 return AllocateHeap(size, mem_tag, stack); 157 } 158 159 ALWAYSINLINE void* operator new[](size_t size, 160 MemTag mem_tag, 161 const std::nothrow_t&, 162 const NativeCallStack& stack) throw() { 163 return AllocateHeap(size, mem_tag, stack, AllocFailStrategy::RETURN_NULL); 164 } 165 166 ALWAYSINLINE void* operator new[](size_t size, 167 MemTag mem_tag, 168 const std::nothrow_t&) throw() { 169 return AllocateHeap(size, mem_tag, AllocFailStrategy::RETURN_NULL); 170 } 171 172 void operator delete(void* p) { FreeHeap(p); } 173 void operator delete [] (void* p) { FreeHeap(p); } 174 }; 175 176 // Uses the implicitly static new and delete operators of CHeapObjBase 177 template<MemTag MT> 178 class CHeapObj { 179 public: 180 ALWAYSINLINE void* operator new(size_t size) { 181 return CHeapObjBase::operator new(size, MT); 182 } 183 184 ALWAYSINLINE void* operator new(size_t size, 185 const NativeCallStack& stack) { 186 return CHeapObjBase::operator new(size, MT, stack); 187 } 188 189 ALWAYSINLINE void* operator new(size_t size, const std::nothrow_t& nt, 190 const NativeCallStack& stack) throw() { 191 return CHeapObjBase::operator new(size, MT, nt, stack); 192 } 193 194 ALWAYSINLINE void* operator new(size_t size, const std::nothrow_t& nt) throw() { 195 return CHeapObjBase::operator new(size, MT, nt); 196 } 197 198 ALWAYSINLINE void* operator new[](size_t size) { 199 return CHeapObjBase::operator new[](size, MT); 200 } 201 202 ALWAYSINLINE void* operator new[](size_t size, 203 const NativeCallStack& stack) { 204 return CHeapObjBase::operator new[](size, MT, stack); 205 } 206 207 ALWAYSINLINE void* operator new[](size_t size, const std::nothrow_t& nt, 208 const NativeCallStack& stack) throw() { 209 return CHeapObjBase::operator new[](size, MT, nt, stack); 210 } 211 212 ALWAYSINLINE void* operator new[](size_t size, const std::nothrow_t& nt) throw() { 213 return CHeapObjBase::operator new[](size, MT, nt); 214 } 215 216 void operator delete(void* p) { 217 CHeapObjBase::operator delete(p); 218 } 219 220 void operator delete [] (void* p) { 221 CHeapObjBase::operator delete[](p); 222 } 223 }; 224 225 // Base class for objects allocated on the stack only. 226 // Calling new or delete will result in fatal error. 227 228 class StackObj { 229 public: 230 void* operator new(size_t size) = delete; 231 void* operator new [](size_t size) = delete; 232 void operator delete(void* p) = delete; 233 void operator delete [](void* p) = delete; 234 }; 235 236 // Base class for objects stored in Metaspace. 237 // Calling delete will result in fatal error. 238 // 239 // Do not inherit from something with a vptr because this class does 240 // not introduce one. This class is used to allocate both shared read-only 241 // and shared read-write classes. 242 // 243 244 class ClassLoaderData; 245 class MetaspaceClosure; 246 247 class MetaspaceObj { 248 // There are functions that all subtypes of MetaspaceObj are expected 249 // to implement, so that templates which are defined for this class hierarchy 250 // can work uniformly. Within the sub-hierarchy of Metadata, these are virtuals. 251 // Elsewhere in the hierarchy of MetaspaceObj, type(), size(), and/or on_stack() 252 // can be static if constant. 253 // 254 // The following functions are required by MetaspaceClosure: 255 // void metaspace_pointers_do(MetaspaceClosure* it) { <walk my refs> } 256 // int size() const { return align_up(sizeof(<This>), wordSize) / wordSize; } 257 // MetaspaceObj::Type type() const { return <This>Type; } 258 // 259 // The following functions are required by MetadataFactory::free_metadata(): 260 // bool on_stack() { return false; } 261 // void deallocate_contents(ClassLoaderData* loader_data); 262 263 friend class VMStructs; 264 // When CDS is enabled, all shared metaspace objects are mapped 265 // into a single contiguous memory block, so we can use these 266 // two pointers to quickly determine if something is in the 267 // shared metaspace. 268 // When CDS is not enabled, both pointers are set to null. 269 static void* _shared_metaspace_base; // (inclusive) low address 270 static void* _shared_metaspace_top; // (exclusive) high address 271 272 public: 273 274 // Returns true if the pointer points to a valid MetaspaceObj. A valid 275 // MetaspaceObj is MetaWord-aligned and contained within either 276 // non-shared or shared metaspace. 277 static bool is_valid(const MetaspaceObj* p); 278 279 #if INCLUDE_CDS 280 static bool is_shared(const MetaspaceObj* p) { 281 // If no shared metaspace regions are mapped, _shared_metaspace_{base,top} will 282 // both be null and all values of p will be rejected quickly. 283 return (((void*)p) < _shared_metaspace_top && 284 ((void*)p) >= _shared_metaspace_base); 285 } 286 bool is_shared() const { return MetaspaceObj::is_shared(this); } 287 #else 288 static bool is_shared(const MetaspaceObj* p) { return false; } 289 bool is_shared() const { return false; } 290 #endif 291 292 void print_address_on(outputStream* st) const; // nonvirtual address printing 293 294 static void set_shared_metaspace_range(void* base, void* top) { 295 _shared_metaspace_base = base; 296 _shared_metaspace_top = top; 297 } 298 299 static void* shared_metaspace_base() { return _shared_metaspace_base; } 300 static void* shared_metaspace_top() { return _shared_metaspace_top; } 301 302 #define METASPACE_OBJ_TYPES_DO(f) \ 303 f(Class) \ 304 f(Symbol) \ 305 f(TypeArrayU1) \ 306 f(TypeArrayU2) \ 307 f(TypeArrayU4) \ 308 f(TypeArrayU8) \ 309 f(TypeArrayOther) \ 310 f(Method) \ 311 f(ConstMethod) \ 312 f(MethodData) \ 313 f(ConstantPool) \ 314 f(ConstantPoolCache) \ 315 f(Annotations) \ 316 f(MethodCounters) \ 317 f(SharedClassPathEntry) \ 318 f(RecordComponent) \ 319 f(InlineLayoutInfo) 320 321 #define METASPACE_OBJ_TYPE_DECLARE(name) name ## Type, 322 #define METASPACE_OBJ_TYPE_NAME_CASE(name) case name ## Type: return #name; 323 324 enum Type { 325 // Types are MetaspaceObj::ClassType, MetaspaceObj::SymbolType, etc 326 METASPACE_OBJ_TYPES_DO(METASPACE_OBJ_TYPE_DECLARE) 327 _number_of_types 328 }; 329 330 static const char * type_name(Type type) { 331 switch(type) { 332 METASPACE_OBJ_TYPES_DO(METASPACE_OBJ_TYPE_NAME_CASE) 333 default: 334 ShouldNotReachHere(); 335 return nullptr; 336 } 337 } 338 339 static MetaspaceObj::Type array_type(size_t elem_size) { 340 switch (elem_size) { 341 case 1: return TypeArrayU1Type; 342 case 2: return TypeArrayU2Type; 343 case 4: return TypeArrayU4Type; 344 case 8: return TypeArrayU8Type; 345 default: 346 return TypeArrayOtherType; 347 } 348 } 349 350 void* operator new(size_t size, ClassLoaderData* loader_data, 351 size_t word_size, 352 Type type, JavaThread* thread) throw(); 353 // can't use TRAPS from this header file. 354 void* operator new(size_t size, ClassLoaderData* loader_data, 355 size_t word_size, 356 Type type) throw(); 357 void operator delete(void* p) { ShouldNotCallThis(); } 358 359 // Declare a *static* method with the same signature in any subclass of MetaspaceObj 360 // that should be read-only by default. See symbol.hpp for an example. This function 361 // is used by the templates in metaspaceClosure.hpp 362 static bool is_read_only_by_default() { return false; } 363 }; 364 365 // Base class for classes that constitute name spaces. 366 367 class Arena; 368 369 extern char* resource_allocate_bytes(size_t size, 370 AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 371 extern char* resource_allocate_bytes(Thread* thread, size_t size, 372 AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 373 extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size, 374 AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM); 375 extern void resource_free_bytes( Thread* thread, char *old, size_t size ); 376 377 //---------------------------------------------------------------------- 378 // Base class for objects allocated in the resource area. 379 class ResourceObj { 380 public: 381 void* operator new(size_t size) { 382 return resource_allocate_bytes(size); 383 } 384 385 void* operator new(size_t size, const std::nothrow_t& nothrow_constant) throw() { 386 return resource_allocate_bytes(size, AllocFailStrategy::RETURN_NULL); 387 } 388 389 void* operator new [](size_t size) throw() = delete; 390 void* operator new [](size_t size, const std::nothrow_t& nothrow_constant) throw() = delete; 391 392 void operator delete(void* p) = delete; 393 void operator delete [](void* p) = delete; 394 }; 395 396 class ArenaObj { 397 public: 398 void* operator new(size_t size, Arena *arena) throw(); 399 void* operator new [](size_t size, Arena *arena) throw() = delete; 400 401 void* operator new [](size_t size) throw() = delete; 402 void* operator new [](size_t size, const std::nothrow_t& nothrow_constant) throw() = delete; 403 404 void operator delete(void* p) = delete; 405 void operator delete [](void* p) = delete; 406 }; 407 408 //---------------------------------------------------------------------- 409 // Base class for objects allocated in the resource area per default. 410 // Optionally, objects may be allocated on the C heap with 411 // new (AnyObj::C_HEAP) Foo(...) or in an Arena with new (&arena). 412 // AnyObj's can be allocated within other objects, but don't use 413 // new or delete (allocation_type is unknown). If new is used to allocate, 414 // use delete to deallocate. 415 class AnyObj { 416 public: 417 enum allocation_type { STACK_OR_EMBEDDED = 0, RESOURCE_AREA, C_HEAP, ARENA, allocation_mask = 0x3 }; 418 static void set_allocation_type(address res, allocation_type type) NOT_DEBUG_RETURN; 419 #ifdef ASSERT 420 private: 421 // When this object is allocated on stack the new() operator is not 422 // called but garbage on stack may look like a valid allocation_type. 423 // Store negated 'this' pointer when new() is called to distinguish cases. 424 // Use second array's element for verification value to distinguish garbage. 425 uintptr_t _allocation_t[2]; 426 bool is_type_set() const; 427 void initialize_allocation_info(); 428 public: 429 allocation_type get_allocation_type() const; 430 bool allocated_on_stack_or_embedded() const { return get_allocation_type() == STACK_OR_EMBEDDED; } 431 bool allocated_on_res_area() const { return get_allocation_type() == RESOURCE_AREA; } 432 bool allocated_on_C_heap() const { return get_allocation_type() == C_HEAP; } 433 bool allocated_on_arena() const { return get_allocation_type() == ARENA; } 434 protected: 435 AnyObj(); // default constructor 436 AnyObj(const AnyObj& r); // default copy constructor 437 AnyObj& operator=(const AnyObj& r); // default copy assignment 438 ~AnyObj(); 439 #endif // ASSERT 440 441 public: 442 // CHeap allocations 443 void* operator new(size_t size, MemTag mem_tag) throw(); 444 void* operator new [](size_t size, MemTag mem_tag) throw() = delete; 445 void* operator new(size_t size, const std::nothrow_t& nothrow_constant, MemTag mem_tag) throw(); 446 void* operator new [](size_t size, const std::nothrow_t& nothrow_constant, MemTag mem_tag) throw() = delete; 447 448 // Arena allocations 449 void* operator new(size_t size, Arena *arena); 450 void* operator new [](size_t size, Arena *arena) = delete; 451 452 // Resource allocations 453 void* operator new(size_t size) { 454 address res = (address)resource_allocate_bytes(size); 455 DEBUG_ONLY(set_allocation_type(res, RESOURCE_AREA);) 456 return res; 457 } 458 void* operator new(size_t size, const std::nothrow_t& nothrow_constant) throw() { 459 address res = (address)resource_allocate_bytes(size, AllocFailStrategy::RETURN_NULL); 460 DEBUG_ONLY(if (res != nullptr) set_allocation_type(res, RESOURCE_AREA);) 461 return res; 462 } 463 464 void* operator new [](size_t size) = delete; 465 void* operator new [](size_t size, const std::nothrow_t& nothrow_constant) = delete; 466 void operator delete(void* p); 467 void operator delete [](void* p) = delete; 468 469 #ifndef PRODUCT 470 // Printing support 471 void print() const; 472 virtual void print_on(outputStream* st) const; 473 #endif // PRODUCT 474 }; 475 476 // One of the following macros must be used when allocating an array 477 // or object to determine whether it should reside in the C heap on in 478 // the resource area. 479 480 #define NEW_RESOURCE_ARRAY(type, size)\ 481 (type*) resource_allocate_bytes((size) * sizeof(type)) 482 483 #define NEW_RESOURCE_ARRAY_RETURN_NULL(type, size)\ 484 (type*) resource_allocate_bytes((size) * sizeof(type), AllocFailStrategy::RETURN_NULL) 485 486 #define NEW_RESOURCE_ARRAY_IN_THREAD(thread, type, size)\ 487 (type*) resource_allocate_bytes(thread, (size) * sizeof(type)) 488 489 #define NEW_RESOURCE_ARRAY_IN_THREAD_RETURN_NULL(thread, type, size)\ 490 (type*) resource_allocate_bytes(thread, (size) * sizeof(type), AllocFailStrategy::RETURN_NULL) 491 492 #define REALLOC_RESOURCE_ARRAY(type, old, old_size, new_size)\ 493 (type*) resource_reallocate_bytes((char*)(old), (old_size) * sizeof(type), (new_size) * sizeof(type)) 494 495 #define REALLOC_RESOURCE_ARRAY_RETURN_NULL(type, old, old_size, new_size)\ 496 (type*) resource_reallocate_bytes((char*)(old), (old_size) * sizeof(type),\ 497 (new_size) * sizeof(type), AllocFailStrategy::RETURN_NULL) 498 499 #define FREE_RESOURCE_ARRAY(type, old, size)\ 500 resource_free_bytes(Thread::current(), (char*)(old), (size) * sizeof(type)) 501 502 #define FREE_RESOURCE_ARRAY_IN_THREAD(thread, type, old, size)\ 503 resource_free_bytes(thread, (char*)(old), (size) * sizeof(type)) 504 505 #define FREE_FAST(old)\ 506 /* nop */ 507 508 #define NEW_RESOURCE_OBJ(type)\ 509 NEW_RESOURCE_ARRAY(type, 1) 510 511 #define NEW_RESOURCE_OBJ_RETURN_NULL(type)\ 512 NEW_RESOURCE_ARRAY_RETURN_NULL(type, 1) 513 514 #define NEW_C_HEAP_ARRAY3(type, size, mem_tag, pc, allocfail)\ 515 (type*) AllocateHeap((size) * sizeof(type), mem_tag, pc, allocfail) 516 517 #define NEW_C_HEAP_ARRAY2(type, size, mem_tag, pc)\ 518 (type*) (AllocateHeap((size) * sizeof(type), mem_tag, pc)) 519 520 #define NEW_C_HEAP_ARRAY(type, size, mem_tag)\ 521 (type*) (AllocateHeap((size) * sizeof(type), mem_tag)) 522 523 #define NEW_C_HEAP_ARRAY2_RETURN_NULL(type, size, mem_tag, pc)\ 524 NEW_C_HEAP_ARRAY3(type, (size), mem_tag, pc, AllocFailStrategy::RETURN_NULL) 525 526 #define NEW_C_HEAP_ARRAY_RETURN_NULL(type, size, mem_tag)\ 527 NEW_C_HEAP_ARRAY2(type, (size), mem_tag, AllocFailStrategy::RETURN_NULL) 528 529 #define REALLOC_C_HEAP_ARRAY(type, old, size, mem_tag)\ 530 (type*) (ReallocateHeap((char*)(old), (size) * sizeof(type), mem_tag)) 531 532 #define REALLOC_C_HEAP_ARRAY_RETURN_NULL(type, old, size, mem_tag)\ 533 (type*) (ReallocateHeap((char*)(old), (size) * sizeof(type), mem_tag, AllocFailStrategy::RETURN_NULL)) 534 535 #define FREE_C_HEAP_ARRAY(type, old) \ 536 FreeHeap((char*)(old)) 537 538 // allocate type in heap without calling ctor 539 #define NEW_C_HEAP_OBJ(type, mem_tag)\ 540 NEW_C_HEAP_ARRAY(type, 1, mem_tag) 541 542 #define NEW_C_HEAP_OBJ_RETURN_NULL(type, mem_tag)\ 543 NEW_C_HEAP_ARRAY_RETURN_NULL(type, 1, mem_tag) 544 545 // deallocate obj of type in heap without calling dtor 546 #define FREE_C_HEAP_OBJ(objname)\ 547 FreeHeap((char*)objname); 548 549 550 //------------------------------ReallocMark--------------------------------- 551 // Code which uses REALLOC_RESOURCE_ARRAY should check an associated 552 // ReallocMark, which is declared in the same scope as the reallocated 553 // pointer. Any operation that could __potentially__ cause a reallocation 554 // should check the ReallocMark. 555 class ReallocMark: public StackObj { 556 protected: 557 NOT_PRODUCT(int _nesting;) 558 559 public: 560 ReallocMark() PRODUCT_RETURN; 561 void check(Arena* arena = nullptr) PRODUCT_RETURN; 562 }; 563 564 // Uses mmapped memory for all allocations. All allocations are initially 565 // zero-filled. No pre-touching. 566 template <class E> 567 class MmapArrayAllocator : public AllStatic { 568 private: 569 static size_t size_for(size_t length); 570 571 public: 572 static E* allocate_or_null(size_t length, MemTag mem_tag); 573 static E* allocate(size_t length, MemTag mem_tag); 574 static void free(E* addr, size_t length); 575 }; 576 577 // Uses malloc:ed memory for all allocations. 578 template <class E> 579 class MallocArrayAllocator : public AllStatic { 580 public: 581 static size_t size_for(size_t length); 582 583 static E* allocate(size_t length, MemTag mem_tag); 584 static E* reallocate(E* addr, size_t new_length, MemTag mem_tag); 585 static void free(E* addr); 586 }; 587 588 #endif // SHARE_MEMORY_ALLOCATION_HPP --- EOF ---