Mercurial > hg > graal-compiler
view src/share/vm/memory/allocation.inline.hpp @ 7208:eade6b2e4782
8003554: NPG: move Metablock and Metachunk code out of metaspace.cpp
Reviewed-by: coleenp
author | jmasa |
---|---|
date | Thu, 29 Nov 2012 10:09:04 -0800 |
parents | 7b5885dadbdc |
children | 63e54c37ac64 |
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/* * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP #define SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP #include "runtime/os.hpp" // Explicit C-heap memory management void trace_heap_malloc(size_t size, const char* name, void *p); void trace_heap_free(void *p); #ifndef PRODUCT // Increments unsigned long value for statistics (not atomic on MP). inline void inc_stat_counter(volatile julong* dest, julong add_value) { #if defined(SPARC) || defined(X86) // Sparc and X86 have atomic jlong (8 bytes) instructions julong value = Atomic::load((volatile jlong*)dest); value += add_value; Atomic::store((jlong)value, (volatile jlong*)dest); #else // possible word-tearing during load/store *dest += add_value; #endif } #endif // allocate using malloc; will fail if no memory available inline char* AllocateHeap(size_t size, MEMFLAGS flags, address pc = 0, AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM) { if (pc == 0) { pc = CURRENT_PC; } char* p = (char*) os::malloc(size, flags, pc); #ifdef ASSERT if (PrintMallocFree) trace_heap_malloc(size, "AllocateHeap", p); #endif if (p == NULL && alloc_failmode == AllocFailStrategy::EXIT_OOM) vm_exit_out_of_memory(size, "AllocateHeap"); return p; } inline char* ReallocateHeap(char *old, size_t size, MEMFLAGS flags, AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM) { char* p = (char*) os::realloc(old, size, flags, CURRENT_PC); #ifdef ASSERT if (PrintMallocFree) trace_heap_malloc(size, "ReallocateHeap", p); #endif if (p == NULL && alloc_failmode == AllocFailStrategy::EXIT_OOM) vm_exit_out_of_memory(size, "ReallocateHeap"); return p; } inline void FreeHeap(void* p, MEMFLAGS memflags = mtInternal) { #ifdef ASSERT if (PrintMallocFree) trace_heap_free(p); #endif os::free(p, memflags); } template <MEMFLAGS F> void* CHeapObj<F>::operator new(size_t size, address caller_pc){ #ifdef ASSERT void* p = (void*)AllocateHeap(size, F, (caller_pc != 0 ? caller_pc : CALLER_PC)); if (PrintMallocFree) trace_heap_malloc(size, "CHeapObj-new", p); return p; #else return (void *) AllocateHeap(size, F, (caller_pc != 0 ? caller_pc : CALLER_PC)); #endif } template <MEMFLAGS F> void* CHeapObj<F>::operator new (size_t size, const std::nothrow_t& nothrow_constant, address caller_pc) { #ifdef ASSERT void* p = (void*)AllocateHeap(size, F, (caller_pc != 0 ? caller_pc : CALLER_PC), AllocFailStrategy::RETURN_NULL); if (PrintMallocFree) trace_heap_malloc(size, "CHeapObj-new", p); return p; #else return (void *) AllocateHeap(size, F, (caller_pc != 0 ? caller_pc : CALLER_PC), AllocFailStrategy::RETURN_NULL); #endif } template <MEMFLAGS F> void CHeapObj<F>::operator delete(void* p){ FreeHeap(p, F); } #endif // SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP