jdk8-mips64-public/hotspot: src/share/vm/memory/allocation.inline.hpp@eac371996b44

8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
Summary: Take the initial heap size into account when checking the heap size for compressed oops
Reviewed-by: jmasa, kvn, hseigel, ctornqvi

     1 /*

     2  * Copyright (c) 1997, 2013, 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  */

    25 #ifndef SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP

    26 #define SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP

    28 #include "runtime/atomic.inline.hpp"

    29 #include "runtime/os.hpp"

    31 // Explicit C-heap memory management

    33 void trace_heap_malloc(size_t size, const char* name, void *p);

    34 void trace_heap_free(void *p);

    36 #ifndef PRODUCT

    37 // Increments unsigned long value for statistics (not atomic on MP).

    38 inline void inc_stat_counter(volatile julong* dest, julong add_value) {

    39 #if defined(SPARC) || defined(X86)

    40   // Sparc and X86 have atomic jlong (8 bytes) instructions

    41   julong value = Atomic::load((volatile jlong*)dest);

    42   value += add_value;

    43   Atomic::store((jlong)value, (volatile jlong*)dest);

    44 #else

    45   // possible word-tearing during load/store

    46   *dest += add_value;

    47 #endif

    48 }

    49 #endif

    51 // allocate using malloc; will fail if no memory available

    52 inline char* AllocateHeap(size_t size, MEMFLAGS flags, address pc = 0,

    53     AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM) {

    54   if (pc == 0) {

    55     pc = CURRENT_PC;

    56   }

    57   char* p = (char*) os::malloc(size, flags, pc);

    58   #ifdef ASSERT

    59   if (PrintMallocFree) trace_heap_malloc(size, "AllocateHeap", p);

    60   #endif

    61   if (p == NULL && alloc_failmode == AllocFailStrategy::EXIT_OOM) vm_exit_out_of_memory(size, "AllocateHeap");

    62   return p;

    63 }

    65 inline char* ReallocateHeap(char *old, size_t size, MEMFLAGS flags,

    66     AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM) {

    67   char* p = (char*) os::realloc(old, size, flags, CURRENT_PC);

    68   #ifdef ASSERT

    69   if (PrintMallocFree) trace_heap_malloc(size, "ReallocateHeap", p);

    70   #endif

    71   if (p == NULL && alloc_failmode == AllocFailStrategy::EXIT_OOM) vm_exit_out_of_memory(size, "ReallocateHeap");

    72   return p;

    73 }

    75 inline void FreeHeap(void* p, MEMFLAGS memflags = mtInternal) {

    76   #ifdef ASSERT

    77   if (PrintMallocFree) trace_heap_free(p);

    78   #endif

    79   os::free(p, memflags);

    80 }

    83 template <MEMFLAGS F> void* CHeapObj<F>::operator new(size_t size,

    84       address caller_pc){

    85 #ifdef ASSERT

    86     void* p = (void*)AllocateHeap(size, F, (caller_pc != 0 ? caller_pc : CALLER_PC));

    87     if (PrintMallocFree) trace_heap_malloc(size, "CHeapObj-new", p);

    88     return p;

    89 #else

    90     return (void *) AllocateHeap(size, F, (caller_pc != 0 ? caller_pc : CALLER_PC));

    91 #endif

    92   }

    94 template <MEMFLAGS F> void* CHeapObj<F>::operator new (size_t size,

    95   const std::nothrow_t&  nothrow_constant, address caller_pc) {

    96 #ifdef ASSERT

    97   void* p = (void*)AllocateHeap(size, F, (caller_pc != 0 ? caller_pc : CALLER_PC),

    98       AllocFailStrategy::RETURN_NULL);

    99     if (PrintMallocFree) trace_heap_malloc(size, "CHeapObj-new", p);

   100     return p;

   101 #else

   102   return (void *) AllocateHeap(size, F, (caller_pc != 0 ? caller_pc : CALLER_PC),

   103       AllocFailStrategy::RETURN_NULL);

   104 #endif

   105 }

   107 template <MEMFLAGS F> void CHeapObj<F>::operator delete(void* p){

   108    FreeHeap(p, F);

   109 }

   112 #endif // SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP

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src/share/vm/memory/allocation.inline.hpp@eac371996b44

src/share/vm/memory/allocation.inline.hpp