src/share/vm/utilities/growableArray.cpp

Sat, 11 Dec 2010 13:20:56 -0500

author
zgu
date
Sat, 11 Dec 2010 13:20:56 -0500
changeset 2364
2d4762ec74af
parent 2314
f95d63e2154a
child 3156
f08d439fab8c
permissions
-rw-r--r--

7003748: Decode C stack frames when symbols are presented (PhoneHome project)
Summary: Implemented in-process C native stack frame decoding when symbols are available.
Reviewed-by: coleenp, never

     1 /*
     2  * Copyright (c) 1997, 2010, 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 #include "precompiled.hpp"
    26 #include "memory/resourceArea.hpp"
    27 #include "utilities/growableArray.hpp"
    28 #ifdef TARGET_OS_FAMILY_linux
    29 # include "thread_linux.inline.hpp"
    30 #endif
    31 #ifdef TARGET_OS_FAMILY_solaris
    32 # include "thread_solaris.inline.hpp"
    33 #endif
    34 #ifdef TARGET_OS_FAMILY_windows
    35 # include "thread_windows.inline.hpp"
    36 #endif
    37 #ifdef ASSERT
    38 void GenericGrowableArray::set_nesting() {
    39   if (on_stack()) {
    40     _nesting = Thread::current()->resource_area()->nesting();
    41   }
    42 }
    44 void GenericGrowableArray::check_nesting() {
    45   // Check for insidious allocation bug: if a GrowableArray overflows, the
    46   // grown array must be allocated under the same ResourceMark as the original.
    47   // Otherwise, the _data array will be deallocated too early.
    48   if (on_stack() &&
    49       _nesting != Thread::current()->resource_area()->nesting()) {
    50     fatal("allocation bug: GrowableArray could grow within nested ResourceMark");
    51   }
    52 }
    53 #endif
    55 void* GenericGrowableArray::raw_allocate(int elementSize) {
    56   assert(_max >= 0, "integer overflow");
    57   size_t byte_size = elementSize * (size_t) _max;
    58   if (on_stack()) {
    59     return (void*)resource_allocate_bytes(byte_size);
    60   } else if (on_C_heap()) {
    61     return (void*)AllocateHeap(byte_size, "GrET in " __FILE__);
    62   } else {
    63     return _arena->Amalloc(byte_size);
    64   }
    65 }

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