diff options
Diffstat (limited to 'src/VBox/Runtime/r3/alloc-ef-cpp.cpp')
| -rw-r--r-- | src/VBox/Runtime/r3/alloc-ef-cpp.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/alloc-ef-cpp.cpp b/src/VBox/Runtime/r3/alloc-ef-cpp.cpp new file mode 100644 index 00000000..ca5b34f0 --- /dev/null +++ b/src/VBox/Runtime/r3/alloc-ef-cpp.cpp @@ -0,0 +1,169 @@ +/* $Id: alloc-ef-cpp.cpp $ */ +/** @file + * IPRT - Memory Allocation, C++ electric fence. + */ + +/* + * Copyright (C) 2006-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program 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 for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include "alloc-ef.h" + +#include <iprt/asm.h> +#include <new> + + +/********************************************************************************************************************************* +* Defined Constants And Macros * +*********************************************************************************************************************************/ +/** @todo test this on MSC */ + +/** MSC declares the operators as cdecl it seems. */ +#ifdef _MSC_VER +# define RT_EF_CDECL __cdecl +#else +# define RT_EF_CDECL +#endif + +/** MSC doesn't use the standard namespace. */ +#ifdef _MSC_VER +# define RT_EF_SIZE_T size_t +#else +# define RT_EF_SIZE_T std::size_t +#endif + +/** The hint that we're throwing std::bad_alloc is not apprecitated by MSC. */ +#ifdef RT_EXCEPTIONS_ENABLED +# ifdef _MSC_VER +# define RT_EF_THROWS_BAD_ALLOC +# define RT_EF_NOTHROW RT_NO_THROW_DEF +# else +# ifdef _GLIBCXX_THROW +# define RT_EF_THROWS_BAD_ALLOC _GLIBCXX_THROW(std::bad_alloc) +# elif defined(__cplusplus) && (__cplusplus + 0) < 201700 +# define RT_EF_THROWS_BAD_ALLOC throw(std::bad_alloc) +# else +# define RT_EF_THROWS_BAD_ALLOC noexcept(false) +# endif +# define RT_EF_NOTHROW throw() +# endif +#else /* !RT_EXCEPTIONS_ENABLED */ +# define RT_EF_THROWS_BAD_ALLOC +# define RT_EF_NOTHROW +#endif /* !RT_EXCEPTIONS_ENABLED */ + + +void *RT_EF_CDECL operator new(RT_EF_SIZE_T cb) RT_EF_THROWS_BAD_ALLOC +{ + void *pv = rtR3MemAlloc("new", RTMEMTYPE_NEW, cb, cb, NULL, ASMReturnAddress(), NULL, 0, NULL); + if (!pv) + throw std::bad_alloc(); + return pv; +} + + +void *RT_EF_CDECL operator new(RT_EF_SIZE_T cb, const std::nothrow_t &) RT_EF_NOTHROW +{ + void *pv = rtR3MemAlloc("new nothrow", RTMEMTYPE_NEW, cb, cb, NULL, ASMReturnAddress(), NULL, 0, NULL); + return pv; +} + + +void RT_EF_CDECL operator delete(void *pv) RT_EF_NOTHROW +{ + rtR3MemFree("delete", RTMEMTYPE_DELETE, pv, 0, ASMReturnAddress(), NULL, 0, NULL); +} + + +#ifdef __cpp_sized_deallocation +void RT_EF_CDECL operator delete(void *pv, RT_EF_SIZE_T cb) RT_EF_NOTHROW +{ + NOREF(cb); + AssertMsgFailed(("cb ignored!\n")); + rtR3MemFree("delete", RTMEMTYPE_DELETE, pv, 0, ASMReturnAddress(), NULL, 0, NULL); +} +#endif + + +void RT_EF_CDECL operator delete(void * pv, const std::nothrow_t &) RT_EF_NOTHROW +{ + rtR3MemFree("delete nothrow", RTMEMTYPE_DELETE, pv, 0, ASMReturnAddress(), NULL, 0, NULL); +} + + +/* + * + * Array object form. + * Array object form. + * Array object form. + * + */ + +void *RT_EF_CDECL operator new[](RT_EF_SIZE_T cb) RT_EF_THROWS_BAD_ALLOC +{ + void *pv = rtR3MemAlloc("new[]", RTMEMTYPE_NEW_ARRAY, cb, cb, NULL, ASMReturnAddress(), NULL, 0, NULL); + if (!pv) + throw std::bad_alloc(); + return pv; +} + + +void * RT_EF_CDECL operator new[](RT_EF_SIZE_T cb, const std::nothrow_t &) RT_EF_NOTHROW +{ + void *pv = rtR3MemAlloc("new[] nothrow", RTMEMTYPE_NEW_ARRAY, cb, cb, NULL, ASMReturnAddress(), NULL, 0, NULL); + return pv; +} + + +void RT_EF_CDECL operator delete[](void * pv) RT_EF_NOTHROW +{ + rtR3MemFree("delete[]", RTMEMTYPE_DELETE_ARRAY, pv, 0, ASMReturnAddress(), NULL, 0, NULL); +} + + +#ifdef __cpp_sized_deallocation +void RT_EF_CDECL operator delete[](void * pv, RT_EF_SIZE_T cb) RT_EF_NOTHROW +{ + NOREF(cb); + AssertMsgFailed(("cb ignored!\n")); + rtR3MemFree("delete[]", RTMEMTYPE_DELETE_ARRAY, pv, 0, ASMReturnAddress(), NULL, 0, NULL); +} +#endif + + +void RT_EF_CDECL operator delete[](void *pv, const std::nothrow_t &) RT_EF_NOTHROW +{ + rtR3MemFree("delete[] nothrow", RTMEMTYPE_DELETE_ARRAY, pv, 0, ASMReturnAddress(), NULL, 0, NULL); +} + |