src/hotspot/share/memory/allocation.hpp
author coleenp
Fri, 04 Jan 2019 15:06:01 -0500
changeset 53149 259c36ef27df
parent 53108 e90315ae8aa9
child 53244 9807daeb47c4
permissions -rw-r--r--
8215731: Move forward class definitions out of globalDefinitions.hpp Summary: redistribute the forward declarations to the header files that need them. Reviewed-by: dholmes, lfoltan
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/*
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 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_MEMORY_ALLOCATION_HPP
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#define SHARE_VM_MEMORY_ALLOCATION_HPP
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#include "runtime/globals.hpp"
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/macros.hpp"
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#include <new>
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class Thread;
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class AllocFailStrategy {
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public:
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  enum AllocFailEnum { EXIT_OOM, RETURN_NULL };
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};
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typedef AllocFailStrategy::AllocFailEnum AllocFailType;
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// The virtual machine must never call one of the implicitly declared
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// global allocation or deletion functions.  (Such calls may result in
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// link-time or run-time errors.)  For convenience and documentation of
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// intended use, classes in the virtual machine may be derived from one
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// of the following allocation classes, some of which define allocation
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// and deletion functions.
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// Note: std::malloc and std::free should never called directly.
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//
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// For objects allocated in the resource area (see resourceArea.hpp).
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// - ResourceObj
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//
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// For objects allocated in the C-heap (managed by: free & malloc and tracked with NMT)
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// - CHeapObj
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//
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// For objects allocated on the stack.
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// - StackObj
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//
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// For classes used as name spaces.
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// - AllStatic
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//
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// For classes in Metaspace (class data)
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// - MetaspaceObj
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//
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// The printable subclasses are used for debugging and define virtual
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// member functions for printing. Classes that avoid allocating the
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// vtbl entries in the objects should therefore not be the printable
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// subclasses.
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//
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// The following macros and function should be used to allocate memory
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// directly in the resource area or in the C-heap, The _OBJ variants
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// of the NEW/FREE_C_HEAP macros are used for alloc/dealloc simple
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// objects which are not inherited from CHeapObj, note constructor and
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// destructor are not called. The preferable way to allocate objects
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// is using the new operator.
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//
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// WARNING: The array variant must only be used for a homogenous array
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// where all objects are of the exact type specified. If subtypes are
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// stored in the array then must pay attention to calling destructors
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// at needed.
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//
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//   NEW_RESOURCE_ARRAY(type, size)
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//   NEW_RESOURCE_OBJ(type)
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//   NEW_C_HEAP_ARRAY(type, size)
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//   NEW_C_HEAP_OBJ(type, memflags)
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//   FREE_C_HEAP_ARRAY(type, old)
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//   FREE_C_HEAP_OBJ(objname, type, memflags)
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//   char* AllocateHeap(size_t size, const char* name);
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//   void  FreeHeap(void* p);
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//
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// In non product mode we introduce a super class for all allocation classes
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// that supports printing.
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// We avoid the superclass in product mode to save space.
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#ifdef PRODUCT
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#define ALLOCATION_SUPER_CLASS_SPEC
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#else
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#define ALLOCATION_SUPER_CLASS_SPEC : public AllocatedObj
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class AllocatedObj {
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 public:
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  // Printing support
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  void print() const;
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  void print_value() const;
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  virtual void print_on(outputStream* st) const;
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  virtual void print_value_on(outputStream* st) const;
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};
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#endif
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#define MEMORY_TYPES_DO(f) \
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  /* Memory type by sub systems. It occupies lower byte. */  \
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  f(mtJavaHeap,      "Java Heap")   /* Java heap                                 */ \
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  f(mtClass,         "Class")       /* Java classes                              */ \
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  f(mtThread,        "Thread")      /* thread objects                            */ \
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  f(mtThreadStack,   "Thread Stack")                                                \
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  f(mtCode,          "Code")        /* generated code                            */ \
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  f(mtGC,            "GC")                                                          \
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  f(mtCompiler,      "Compiler")                                                    \
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  f(mtInternal,      "Internal")    /* memory used by VM, but does not belong to */ \
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                                    /* any of above categories, and not used by  */ \
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                                    /* NMT                                       */ \
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  f(mtOther,         "Other")       /* memory not used by VM                     */ \
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  f(mtSymbol,        "Symbol")                                                      \
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  f(mtNMT,           "Native Memory Tracking")  /* memory used by NMT            */ \
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  f(mtClassShared,   "Shared class space")      /* class data sharing            */ \
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  f(mtChunk,         "Arena Chunk") /* chunk that holds content of arenas        */ \
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  f(mtTest,          "Test")        /* Test type for verifying NMT               */ \
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  f(mtTracing,       "Tracing")                                                     \
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  f(mtLogging,       "Logging")                                                     \
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  f(mtArguments,     "Arguments")                                                   \
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  f(mtModule,        "Module")                                                      \
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  f(mtSafepoint,     "Safepoint")                                                   \
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  f(mtNone,          "Unknown")                                                     \
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  //end
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#define MEMORY_TYPE_DECLARE_ENUM(type, human_readable) \
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  type,
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/*
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 * Memory types
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 */
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enum MemoryType {
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  MEMORY_TYPES_DO(MEMORY_TYPE_DECLARE_ENUM)
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  mt_number_of_types   // number of memory types (mtDontTrack
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                       // is not included as validate type)
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};
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typedef MemoryType MEMFLAGS;
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#if INCLUDE_NMT
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extern bool NMT_track_callsite;
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#else
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const bool NMT_track_callsite = false;
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#endif // INCLUDE_NMT
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class NativeCallStack;
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char* AllocateHeap(size_t size,
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                   MEMFLAGS flags,
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                   const NativeCallStack& stack,
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                   AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
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char* AllocateHeap(size_t size,
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                   MEMFLAGS flags,
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                   AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
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char* ReallocateHeap(char *old,
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                     size_t size,
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                     MEMFLAGS flag,
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                     AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
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void FreeHeap(void* p);
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template <MEMFLAGS F> class CHeapObj ALLOCATION_SUPER_CLASS_SPEC {
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  ALWAYSINLINE void* operator new(size_t size) throw() {
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    return (void*)AllocateHeap(size, F);
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  }
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  ALWAYSINLINE void* operator new(size_t size,
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                                  const NativeCallStack& stack) throw() {
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    return (void*)AllocateHeap(size, F, stack);
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  }
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  ALWAYSINLINE void* operator new(size_t size, const std::nothrow_t&,
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                                  const NativeCallStack& stack) throw() {
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    return (void*)AllocateHeap(size, F, stack, AllocFailStrategy::RETURN_NULL);
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  }
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  ALWAYSINLINE void* operator new(size_t size, const std::nothrow_t&) throw() {
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    return (void*)AllocateHeap(size, F, AllocFailStrategy::RETURN_NULL);
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  }
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  ALWAYSINLINE void* operator new[](size_t size) throw() {
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    return (void*)AllocateHeap(size, F);
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  }
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  ALWAYSINLINE void* operator new[](size_t size,
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                                  const NativeCallStack& stack) throw() {
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    return (void*)AllocateHeap(size, F, stack);
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  }
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  ALWAYSINLINE void* operator new[](size_t size, const std::nothrow_t&,
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                                    const NativeCallStack& stack) throw() {
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    return (void*)AllocateHeap(size, F, stack, AllocFailStrategy::RETURN_NULL);
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  }
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  ALWAYSINLINE void* operator new[](size_t size, const std::nothrow_t&) throw() {
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    return (void*)AllocateHeap(size, F, AllocFailStrategy::RETURN_NULL);
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  }
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  void  operator delete(void* p)     { FreeHeap(p); }
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  void  operator delete [] (void* p) { FreeHeap(p); }
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};
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// Base class for objects allocated on the stack only.
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// Calling new or delete will result in fatal error.
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class StackObj ALLOCATION_SUPER_CLASS_SPEC {
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 private:
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  void* operator new(size_t size) throw();
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  void* operator new [](size_t size) throw();
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#ifdef __IBMCPP__
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#endif
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  void  operator delete(void* p);
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  void  operator delete [](void* p);
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};
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// Base class for objects stored in Metaspace.
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// Calling delete will result in fatal error.
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//
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// Do not inherit from something with a vptr because this class does
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// not introduce one.  This class is used to allocate both shared read-only
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// and shared read-write classes.
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//
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class ClassLoaderData;
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class MetaspaceClosure;
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class MetaspaceObj {
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  friend class VMStructs;
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  // When CDS is enabled, all shared metaspace objects are mapped
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  // into a single contiguous memory block, so we can use these
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  // two pointers to quickly determine if something is in the
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  // shared metaspace.
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  //
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  // When CDS is not enabled, both pointers are set to NULL.
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  static void* _shared_metaspace_base; // (inclusive) low address
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  static void* _shared_metaspace_top;  // (exclusive) high address
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  bool is_metaspace_object() const;
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  bool is_shared() const {
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    // If no shared metaspace regions are mapped, _shared_metaspace_{base,top} will
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    // both be NULL and all values of p will be rejected quickly.
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    return (((void*)this) < _shared_metaspace_top && ((void*)this) >= _shared_metaspace_base);
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  }
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  void print_address_on(outputStream* st) const;  // nonvirtual address printing
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  static void set_shared_metaspace_range(void* base, void* top) {
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    _shared_metaspace_base = base;
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    _shared_metaspace_top = top;
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  }
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  static void* shared_metaspace_base() { return _shared_metaspace_base; }
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  static void* shared_metaspace_top()  { return _shared_metaspace_top;  }
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#define METASPACE_OBJ_TYPES_DO(f) \
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  f(Class) \
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  f(Symbol) \
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  f(TypeArrayU1) \
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  f(TypeArrayU2) \
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  f(TypeArrayU4) \
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  f(TypeArrayU8) \
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  f(TypeArrayOther) \
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  f(Method) \
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  f(ConstMethod) \
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  f(MethodData) \
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  f(ConstantPool) \
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  f(ConstantPoolCache) \
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  f(Annotations) \
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  f(MethodCounters)
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#define METASPACE_OBJ_TYPE_DECLARE(name) name ## Type,
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#define METASPACE_OBJ_TYPE_NAME_CASE(name) case name ## Type: return #name;
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  enum Type {
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    // Types are MetaspaceObj::ClassType, MetaspaceObj::SymbolType, etc
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    METASPACE_OBJ_TYPES_DO(METASPACE_OBJ_TYPE_DECLARE)
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    _number_of_types
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  };
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  static const char * type_name(Type type) {
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    switch(type) {
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    METASPACE_OBJ_TYPES_DO(METASPACE_OBJ_TYPE_NAME_CASE)
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    default:
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      ShouldNotReachHere();
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      return NULL;
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    }
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  }
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  static MetaspaceObj::Type array_type(size_t elem_size) {
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    switch (elem_size) {
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    case 1: return TypeArrayU1Type;
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    case 2: return TypeArrayU2Type;
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    case 4: return TypeArrayU4Type;
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    case 8: return TypeArrayU8Type;
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    default:
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      return TypeArrayOtherType;
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    }
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  }
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  void* operator new(size_t size, ClassLoaderData* loader_data,
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                     size_t word_size,
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                     Type type, Thread* thread) throw();
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                     // can't use TRAPS from this header file.
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  void operator delete(void* p) { ShouldNotCallThis(); }
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  // Declare a *static* method with the same signature in any subclass of MetaspaceObj
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  // that should be read-only by default. See symbol.hpp for an example. This function
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  // is used by the templates in metaspaceClosure.hpp
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  static bool is_read_only_by_default() { return false; }
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   330
};
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1
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// Base class for classes that constitute name spaces.
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class Arena;
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1
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class AllStatic {
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 public:
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  AllStatic()  { ShouldNotCallThis(); }
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  ~AllStatic() { ShouldNotCallThis(); }
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};
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extern char* resource_allocate_bytes(size_t size,
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    AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
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extern char* resource_allocate_bytes(Thread* thread, size_t size,
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    AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
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extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size,
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    AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
1
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extern void resource_free_bytes( char *old, size_t size );
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   350
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//----------------------------------------------------------------------
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// Base class for objects allocated in the resource area per default.
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   353
// Optionally, objects may be allocated on the C heap with
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   354
// new(ResourceObj::C_HEAP) Foo(...) or in an Arena with new (&arena)
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   355
// ResourceObj's can be allocated within other objects, but don't use
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   356
// new or delete (allocation_type is unknown).  If new is used to allocate,
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   357
// use delete to deallocate.
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   358
class ResourceObj ALLOCATION_SUPER_CLASS_SPEC {
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   359
 public:
6180
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  enum allocation_type { STACK_OR_EMBEDDED = 0, RESOURCE_AREA, C_HEAP, ARENA, allocation_mask = 0x3 };
6183
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  static void set_allocation_type(address res, allocation_type type) NOT_DEBUG_RETURN;
1
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   362
#ifdef ASSERT
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   363
 private:
6180
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kvn
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   364
  // When this object is allocated on stack the new() operator is not
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
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   365
  // called but garbage on stack may look like a valid allocation_type.
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
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   366
  // Store negated 'this' pointer when new() is called to distinguish cases.
7440
eabaf35910a1 6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this))
kvn
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   367
  // Use second array's element for verification value to distinguish garbage.
eabaf35910a1 6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this))
kvn
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   368
  uintptr_t _allocation_t[2];
eabaf35910a1 6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this))
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   369
  bool is_type_set() const;
53108
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   370
  void initialize_allocation_info();
1
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   371
 public:
6183
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   372
  allocation_type get_allocation_type() const;
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
kvn
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   373
  bool allocated_on_stack()    const { return get_allocation_type() == STACK_OR_EMBEDDED; }
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
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   374
  bool allocated_on_res_area() const { return get_allocation_type() == RESOURCE_AREA; }
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
kvn
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   375
  bool allocated_on_C_heap()   const { return get_allocation_type() == C_HEAP; }
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
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   376
  bool allocated_on_arena()    const { return get_allocation_type() == ARENA; }
53108
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   377
protected:
22551
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   378
  ResourceObj(); // default constructor
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   379
  ResourceObj(const ResourceObj& r); // default copy constructor
6180
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   380
  ResourceObj& operator=(const ResourceObj& r); // default copy assignment
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   381
  ~ResourceObj();
1
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   382
#endif // ASSERT
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   383
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   384
 public:
19696
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   385
  void* operator new(size_t size, allocation_type type, MEMFLAGS flags) throw();
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
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   386
  void* operator new [](size_t size, allocation_type type, MEMFLAGS flags) throw();
14083
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   387
  void* operator new(size_t size, const std::nothrow_t&  nothrow_constant,
19696
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coleenp
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   388
      allocation_type type, MEMFLAGS flags) throw();
17376
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diff changeset
   389
  void* operator new [](size_t size, const std::nothrow_t&  nothrow_constant,
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
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diff changeset
   390
      allocation_type type, MEMFLAGS flags) throw();
17376
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diff changeset
   391
46818
d0475215ae39 8186089: Move Arena to its own header file
hseigel
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diff changeset
   392
  void* operator new(size_t size, Arena *arena) throw();
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
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diff changeset
   393
46818
d0475215ae39 8186089: Move Arena to its own header file
hseigel
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diff changeset
   394
  void* operator new [](size_t size, Arena *arena) throw();
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
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parents: 17081
diff changeset
   395
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
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diff changeset
   396
  void* operator new(size_t size) throw() {
1
489c9b5090e2 Initial load
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parents:
diff changeset
   397
      address res = (address)resource_allocate_bytes(size);
6180
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   398
      DEBUG_ONLY(set_allocation_type(res, RESOURCE_AREA);)
1
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   399
      return res;
489c9b5090e2 Initial load
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diff changeset
   400
  }
14083
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
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diff changeset
   401
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
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diff changeset
   402
  void* operator new(size_t size, const std::nothrow_t& nothrow_constant) throw() {
14083
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   403
      address res = (address)resource_allocate_bytes(size, AllocFailStrategy::RETURN_NULL);
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   404
      DEBUG_ONLY(if (res != NULL) set_allocation_type(res, RESOURCE_AREA);)
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   405
      return res;
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   406
  }
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   407
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   408
  void* operator new [](size_t size) throw() {
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   409
      address res = (address)resource_allocate_bytes(size);
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   410
      DEBUG_ONLY(set_allocation_type(res, RESOURCE_AREA);)
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   411
      return res;
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   412
  }
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   413
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   414
  void* operator new [](size_t size, const std::nothrow_t& nothrow_constant) throw() {
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   415
      address res = (address)resource_allocate_bytes(size, AllocFailStrategy::RETURN_NULL);
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   416
      DEBUG_ONLY(if (res != NULL) set_allocation_type(res, RESOURCE_AREA);)
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   417
      return res;
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   418
  }
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   419
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
  void  operator delete(void* p);
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   421
  void  operator delete [](void* p);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
// One of the following macros must be used when allocating an array
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
// or object to determine whether it should reside in the C heap on in
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
// the resource area.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
#define NEW_RESOURCE_ARRAY(type, size)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
  (type*) resource_allocate_bytes((size) * sizeof(type))
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
17081
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17032
diff changeset
   431
#define NEW_RESOURCE_ARRAY_RETURN_NULL(type, size)\
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17032
diff changeset
   432
  (type*) resource_allocate_bytes((size) * sizeof(type), AllocFailStrategy::RETURN_NULL)
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17032
diff changeset
   433
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
#define NEW_RESOURCE_ARRAY_IN_THREAD(thread, type, size)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
  (type*) resource_allocate_bytes(thread, (size) * sizeof(type))
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   437
#define NEW_RESOURCE_ARRAY_IN_THREAD_RETURN_NULL(thread, type, size)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   438
  (type*) resource_allocate_bytes(thread, (size) * sizeof(type), AllocFailStrategy::RETURN_NULL)
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   439
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
#define REALLOC_RESOURCE_ARRAY(type, old, old_size, new_size)\
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   441
  (type*) resource_reallocate_bytes((char*)(old), (old_size) * sizeof(type), (new_size) * sizeof(type))
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   442
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   443
#define REALLOC_RESOURCE_ARRAY_RETURN_NULL(type, old, old_size, new_size)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   444
  (type*) resource_reallocate_bytes((char*)(old), (old_size) * sizeof(type),\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   445
                                    (new_size) * sizeof(type), AllocFailStrategy::RETURN_NULL)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
#define FREE_RESOURCE_ARRAY(type, old, size)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
  resource_free_bytes((char*)(old), (size) * sizeof(type))
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
#define FREE_FAST(old)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
    /* nop */
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
#define NEW_RESOURCE_OBJ(type)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  NEW_RESOURCE_ARRAY(type, 1)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   456
#define NEW_RESOURCE_OBJ_RETURN_NULL(type)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   457
  NEW_RESOURCE_ARRAY_RETURN_NULL(type, 1)
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   458
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   459
#define NEW_C_HEAP_ARRAY3(type, size, memflags, pc, allocfail)\
19545
409c50cf1e5d 8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents: 18686
diff changeset
   460
  (type*) AllocateHeap((size) * sizeof(type), memflags, pc, allocfail)
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   461
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   462
#define NEW_C_HEAP_ARRAY2(type, size, memflags, pc)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   463
  (type*) (AllocateHeap((size) * sizeof(type), memflags, pc))
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   464
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   465
#define NEW_C_HEAP_ARRAY(type, size, memflags)\
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   466
  (type*) (AllocateHeap((size) * sizeof(type), memflags))
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   468
#define NEW_C_HEAP_ARRAY2_RETURN_NULL(type, size, memflags, pc)\
19545
409c50cf1e5d 8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents: 18686
diff changeset
   469
  NEW_C_HEAP_ARRAY3(type, (size), memflags, pc, AllocFailStrategy::RETURN_NULL)
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   470
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   471
#define NEW_C_HEAP_ARRAY_RETURN_NULL(type, size, memflags)\
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   472
  NEW_C_HEAP_ARRAY3(type, (size), memflags, CURRENT_PC, AllocFailStrategy::RETURN_NULL)
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   473
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   474
#define REALLOC_C_HEAP_ARRAY(type, old, size, memflags)\
19545
409c50cf1e5d 8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents: 18686
diff changeset
   475
  (type*) (ReallocateHeap((char*)(old), (size) * sizeof(type), memflags))
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   476
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   477
#define REALLOC_C_HEAP_ARRAY_RETURN_NULL(type, old, size, memflags)\
19545
409c50cf1e5d 8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents: 18686
diff changeset
   478
  (type*) (ReallocateHeap((char*)(old), (size) * sizeof(type), memflags, AllocFailStrategy::RETURN_NULL))
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   479
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
   480
#define FREE_C_HEAP_ARRAY(type, old) \
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
   481
  FreeHeap((char*)(old))
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   483
// allocate type in heap without calling ctor
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   484
#define NEW_C_HEAP_OBJ(type, memflags)\
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   485
  NEW_C_HEAP_ARRAY(type, 1, memflags)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   487
#define NEW_C_HEAP_OBJ_RETURN_NULL(type, memflags)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   488
  NEW_C_HEAP_ARRAY_RETURN_NULL(type, 1, memflags)
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   489
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   490
// deallocate obj of type in heap without calling dtor
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
   491
#define FREE_C_HEAP_OBJ(objname)\
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
   492
  FreeHeap((char*)objname);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
// for statistics
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
class AllocStats : StackObj {
8320
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   497
  julong start_mallocs, start_frees;
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   498
  julong start_malloc_bytes, start_mfree_bytes, start_res_bytes;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
  AllocStats();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
8320
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   502
  julong num_mallocs();    // since creation of receiver
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   503
  julong alloc_bytes();
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   504
  julong num_frees();
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   505
  julong free_bytes();
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   506
  julong resource_bytes();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
  void   print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
//------------------------------ReallocMark---------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
// Code which uses REALLOC_RESOURCE_ARRAY should check an associated
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
// ReallocMark, which is declared in the same scope as the reallocated
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
// pointer.  Any operation that could __potentially__ cause a reallocation
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
// should check the ReallocMark.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
class ReallocMark: public StackObj {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
  NOT_PRODUCT(int _nesting;)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
  ReallocMark()   PRODUCT_RETURN;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
  void check()    PRODUCT_RETURN;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
};
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
   525
16682
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   526
// Helper class to allocate arrays that may become large.
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   527
// Uses the OS malloc for allocations smaller than ArrayAllocatorMallocLimit
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   528
// and uses mapped memory for larger allocations.
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   529
// Most OS mallocs do something similar but Solaris malloc does not revert
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   530
// to mapped memory for large allocations. By default ArrayAllocatorMallocLimit
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   531
// is set so that we always use malloc except for Solaris where we set the
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   532
// limit to get mapped memory.
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   533
template <class E>
37057
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   534
class ArrayAllocator : public AllStatic {
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   535
 private:
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   536
  static bool should_use_malloc(size_t length);
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   537
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   538
  static E* allocate_malloc(size_t length, MEMFLAGS flags);
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   539
  static E* allocate_mmap(size_t length, MEMFLAGS flags);
23545
2c14fb03a06d 8037959: BitMap::resize frees old map before copying memory if !in_resource_area
mgerdin
parents: 22876
diff changeset
   540
37057
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   541
  static void free_malloc(E* addr, size_t length);
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   542
  static void free_mmap(E* addr, size_t length);
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   543
16682
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   544
 public:
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   545
  static E* allocate(size_t length, MEMFLAGS flags);
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   546
  static E* reallocate(E* old_addr, size_t old_length, size_t new_length, MEMFLAGS flags);
37057
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   547
  static void free(E* addr, size_t length);
16682
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   548
};
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   549
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   550
// Uses mmaped memory for all allocations. All allocations are initially
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   551
// zero-filled. No pre-touching.
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   552
template <class E>
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   553
class MmapArrayAllocator : public AllStatic {
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   554
 private:
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   555
  static size_t size_for(size_t length);
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   556
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   557
 public:
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   558
  static E* allocate_or_null(size_t length, MEMFLAGS flags);
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   559
  static E* allocate(size_t length, MEMFLAGS flags);
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   560
  static void free(E* addr, size_t length);
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   561
};
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   562
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   563
// Uses malloc:ed memory for all allocations.
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   564
template <class E>
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   565
class MallocArrayAllocator : public AllStatic {
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   566
 public:
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   567
  static size_t size_for(size_t length);
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   568
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   569
  static E* allocate(size_t length, MEMFLAGS flags);
49590
66c32f2a7f10 8200111: MallocArrayAllocator::free should not take a length parameter
stefank
parents: 49465
diff changeset
   570
  static void free(E* addr);
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   571
};
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   572
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
   573
#endif // SHARE_VM_MEMORY_ALLOCATION_HPP