[1] | 1 | /* $Id: alloc-ef-cpp.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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[8245] | 3 | * IPRT - Memory Allocation, C++ electric fence.
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[1] | 4 | */
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| 5 |
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| 6 | /*
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[76553] | 7 | * Copyright (C) 2006-2019 Oracle Corporation
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[1] | 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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[5999] | 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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[1] | 25 | */
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| 26 |
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[57358] | 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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[1] | 31 | #include "alloc-ef.h"
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| 32 |
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[28298] | 33 | #include <iprt/asm.h>
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[1] | 34 | #include <new>
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| 35 |
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| 36 |
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[57358] | 37 | /*********************************************************************************************************************************
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| 38 | * Defined Constants And Macros *
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| 39 | *********************************************************************************************************************************/
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[1] | 40 | /** @todo test this on MSC */
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| 41 |
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[39088] | 42 | /** MSC declares the operators as cdecl it seems. */
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[1] | 43 | #ifdef _MSC_VER
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| 44 | # define RT_EF_CDECL __cdecl
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| 45 | #else
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| 46 | # define RT_EF_CDECL
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| 47 | #endif
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| 48 |
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[39088] | 49 | /** MSC doesn't use the standard namespace. */
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[1] | 50 | #ifdef _MSC_VER
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| 51 | # define RT_EF_SIZE_T size_t
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| 52 | #else
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| 53 | # define RT_EF_SIZE_T std::size_t
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| 54 | #endif
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| 55 |
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[39088] | 56 | /** The hint that we're throwing std::bad_alloc is not apprecitated by MSC. */
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[39089] | 57 | #ifdef RT_EXCEPTIONS_ENABLED
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| 58 | # ifdef _MSC_VER
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[39092] | 59 | # define RT_EF_THROWS_BAD_ALLOC
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[57434] | 60 | # define RT_EF_NOTHROW RT_NO_THROW_DEF
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[39088] | 61 | # else
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[54372] | 62 | # ifdef _GLIBCXX_THROW
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| 63 | # define RT_EF_THROWS_BAD_ALLOC _GLIBCXX_THROW(std::bad_alloc)
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| 64 | # else
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| 65 | # define RT_EF_THROWS_BAD_ALLOC throw(std::bad_alloc)
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| 66 | # endif
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[57434] | 67 | # define RT_EF_NOTHROW throw()
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[39088] | 68 | # endif
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[39089] | 69 | #else /* !RT_EXCEPTIONS_ENABLED */
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| 70 | # define RT_EF_THROWS_BAD_ALLOC
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[57434] | 71 | # define RT_EF_NOTHROW
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[39089] | 72 | #endif /* !RT_EXCEPTIONS_ENABLED */
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[1] | 73 |
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[39088] | 74 |
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| 75 | void *RT_EF_CDECL operator new(RT_EF_SIZE_T cb) RT_EF_THROWS_BAD_ALLOC
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[1] | 76 | {
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[31157] | 77 | void *pv = rtR3MemAlloc("new", RTMEMTYPE_NEW, cb, cb, NULL, ASMReturnAddress(), NULL, 0, NULL);
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[1] | 78 | if (!pv)
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| 79 | throw std::bad_alloc();
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| 80 | return pv;
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| 81 | }
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| 82 |
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| 83 |
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[57434] | 84 | void *RT_EF_CDECL operator new(RT_EF_SIZE_T cb, const std::nothrow_t &) RT_EF_NOTHROW
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[1] | 85 | {
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[31157] | 86 | void *pv = rtR3MemAlloc("new nothrow", RTMEMTYPE_NEW, cb, cb, NULL, ASMReturnAddress(), NULL, 0, NULL);
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[1] | 87 | return pv;
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| 88 | }
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| 89 |
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| 90 |
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[57434] | 91 | void RT_EF_CDECL operator delete(void *pv) RT_EF_NOTHROW
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[1] | 92 | {
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[28298] | 93 | rtR3MemFree("delete", RTMEMTYPE_DELETE, pv, ASMReturnAddress(), NULL, 0, NULL);
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[1] | 94 | }
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| 95 |
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| 96 |
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[59273] | 97 | #ifdef __cpp_sized_deallocation
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| 98 | void RT_EF_CDECL operator delete(void *pv, RT_EF_SIZE_T cb) RT_EF_NOTHROW
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| 99 | {
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| 100 | NOREF(cb);
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| 101 | AssertMsgFailed(("cb ignored!\n"));
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| 102 | rtR3MemFree("delete", RTMEMTYPE_DELETE, pv, ASMReturnAddress(), NULL, 0, NULL);
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| 103 | }
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| 104 | #endif
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| 105 |
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| 106 |
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[57434] | 107 | void RT_EF_CDECL operator delete(void * pv, const std::nothrow_t &) RT_EF_NOTHROW
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[1] | 108 | {
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[28298] | 109 | rtR3MemFree("delete nothrow", RTMEMTYPE_DELETE, pv, ASMReturnAddress(), NULL, 0, NULL);
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[1] | 110 | }
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| 111 |
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| 112 |
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| 113 | /*
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| 114 | *
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| 115 | * Array object form.
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| 116 | * Array object form.
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| 117 | * Array object form.
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| 118 | *
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| 119 | */
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| 120 |
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[39088] | 121 | void *RT_EF_CDECL operator new[](RT_EF_SIZE_T cb) RT_EF_THROWS_BAD_ALLOC
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[1] | 122 | {
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[31157] | 123 | void *pv = rtR3MemAlloc("new[]", RTMEMTYPE_NEW_ARRAY, cb, cb, NULL, ASMReturnAddress(), NULL, 0, NULL);
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[1] | 124 | if (!pv)
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| 125 | throw std::bad_alloc();
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| 126 | return pv;
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| 127 | }
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| 128 |
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| 129 |
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[57434] | 130 | void * RT_EF_CDECL operator new[](RT_EF_SIZE_T cb, const std::nothrow_t &) RT_EF_NOTHROW
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[1] | 131 | {
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[31157] | 132 | void *pv = rtR3MemAlloc("new[] nothrow", RTMEMTYPE_NEW_ARRAY, cb, cb, NULL, ASMReturnAddress(), NULL, 0, NULL);
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[1] | 133 | return pv;
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| 134 | }
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| 135 |
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| 136 |
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[57434] | 137 | void RT_EF_CDECL operator delete[](void * pv) RT_EF_NOTHROW
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[1] | 138 | {
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[28298] | 139 | rtR3MemFree("delete[]", RTMEMTYPE_DELETE_ARRAY, pv, ASMReturnAddress(), NULL, 0, NULL);
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[1] | 140 | }
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| 141 |
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| 142 |
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[59273] | 143 | #ifdef __cpp_sized_deallocation
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| 144 | void RT_EF_CDECL operator delete[](void * pv, RT_EF_SIZE_T cb) RT_EF_NOTHROW
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| 145 | {
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| 146 | NOREF(cb);
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| 147 | AssertMsgFailed(("cb ignored!\n"));
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| 148 | rtR3MemFree("delete[]", RTMEMTYPE_DELETE_ARRAY, pv, ASMReturnAddress(), NULL, 0, NULL);
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| 149 | }
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| 150 | #endif
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| 151 |
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| 152 |
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[57434] | 153 | void RT_EF_CDECL operator delete[](void *pv, const std::nothrow_t &) RT_EF_NOTHROW
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[1] | 154 | {
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[28298] | 155 | rtR3MemFree("delete[] nothrow", RTMEMTYPE_DELETE_ARRAY, pv, ASMReturnAddress(), NULL, 0, NULL);
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[1] | 156 | }
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| 157 |
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