| 1 | /* $Id: memcpy_alias.c 3672 2007-07-17 12:39:30Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * innotek Portable Runtime - No-CRT memcpy() alias for gcc.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2007 innotek GmbH
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License as published by the Free Software Foundation,
|
|---|
| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
|
|---|
| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
|
|---|
| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * If you received this file as part of a commercial VirtualBox
|
|---|
| 18 | * distribution, then only the terms of your commercial VirtualBox
|
|---|
| 19 | * license agreement apply instead of the previous paragraph.
|
|---|
| 20 | */
|
|---|
| 21 |
|
|---|
| 22 |
|
|---|
| 23 | /*******************************************************************************
|
|---|
| 24 | * Header Files *
|
|---|
| 25 | *******************************************************************************/
|
|---|
| 26 | #include <iprt/nocrt/string.h>
|
|---|
| 27 | #undef memcpy
|
|---|
| 28 |
|
|---|
| 29 | #if defined(RT_OS_DARWIN) || defined(RT_OS_WINDOWS)
|
|---|
| 30 | # ifndef __MINGW32__
|
|---|
| 31 | # pragma weak memcpy
|
|---|
| 32 | # endif
|
|---|
| 33 |
|
|---|
| 34 | /* No alias support here (yet in the ming case). */
|
|---|
| 35 | extern void *(memcpy)(void *pvDst, const void *pvSrc, size_t cb)
|
|---|
| 36 | {
|
|---|
| 37 | return RT_NOCRT(memcpy)(pvDst, pvSrc, cb);
|
|---|
| 38 | }
|
|---|
| 39 |
|
|---|
| 40 | #elif __GNUC__ >= 4
|
|---|
| 41 | /* create a weak alias. */
|
|---|
| 42 | __asm__(".weak memcpy\t\n"
|
|---|
| 43 | " .set memcpy," RT_NOCRT_STR(memcpy) "\t\n");
|
|---|
| 44 | #else
|
|---|
| 45 | /* create a weak alias. */
|
|---|
| 46 | extern __typeof(RT_NOCRT(memcpy)) memcpy __attribute__((weak, alias(RT_NOCRT_STR(memcpy))));
|
|---|
| 47 | #endif
|
|---|
| 48 |
|
|---|
