hotspot/src/share/vm/memory/allocation.inline.hpp
author jrose
Tue, 15 Sep 2009 21:53:47 -0700
changeset 3908 24b55ad4c228
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
6863023: need non-perm oops in code cache for JSR 292 Summary: Make a special root-list for those few nmethods which might contain non-perm oops. Reviewed-by: twisti, kvn, never, jmasa, ysr
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/*
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 * Copyright 1997-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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// Explicit C-heap memory management
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void trace_heap_malloc(size_t size, const char* name, void *p);
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void trace_heap_free(void *p);
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// allocate using malloc; will fail if no memory available
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inline char* AllocateHeap(size_t size, const char* name = NULL) {
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  char* p = (char*) os::malloc(size);
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  #ifdef ASSERT
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  if (PrintMallocFree) trace_heap_malloc(size, name, p);
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  #else
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  Unused_Variable(name);
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  #endif
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  if (p == NULL) vm_exit_out_of_memory(size, name);
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  return p;
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}
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inline char* ReallocateHeap(char *old, size_t size, const char* name = NULL) {
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  char* p = (char*) os::realloc(old,size);
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  #ifdef ASSERT
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  if (PrintMallocFree) trace_heap_malloc(size, name, p);
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  #else
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  Unused_Variable(name);
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  #endif
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  if (p == NULL) vm_exit_out_of_memory(size, name);
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  return p;
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}
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inline void FreeHeap(void* p) {
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  #ifdef ASSERT
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  if (PrintMallocFree) trace_heap_free(p);
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  #endif
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  os::free(p);
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}