| 1 | /* $Id: alloc-r0drv.h 1816 2007-03-29 18:59:35Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * InnoTek Portable Runtime - Memory Allocation, Ring-0 Driver.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006 InnoTek Systemberatung 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 | #ifndef __r0drv_alloc_r0drv_h__
|
|---|
| 23 | #define __r0drv_alloc_r0drv_h__
|
|---|
| 24 |
|
|---|
| 25 | #include <iprt/cdefs.h>
|
|---|
| 26 | #include <iprt/types.h>
|
|---|
| 27 | #include "internal/magics.h"
|
|---|
| 28 |
|
|---|
| 29 | __BEGIN_DECLS
|
|---|
| 30 |
|
|---|
| 31 | /**
|
|---|
| 32 | * Header which heading all memory blocks.
|
|---|
| 33 | */
|
|---|
| 34 | typedef struct RTMEMHDR
|
|---|
| 35 | {
|
|---|
| 36 | /** Magic (RTMEMHDR_MAGIC). */
|
|---|
| 37 | uint32_t u32Magic;
|
|---|
| 38 | /** Block flags (RTMEMHDR_FLAG_*). */
|
|---|
| 39 | uint32_t fFlags;
|
|---|
| 40 | /** The size of the block. */
|
|---|
| 41 | uint32_t cb;
|
|---|
| 42 | /** Alignment padding. */
|
|---|
| 43 | uint32_t u32Padding;
|
|---|
| 44 | } RTMEMHDR, *PRTMEMHDR;
|
|---|
| 45 |
|
|---|
| 46 |
|
|---|
| 47 | /** @name RTMEMHDR::fFlags.
|
|---|
| 48 | * @{ */
|
|---|
| 49 | #define RTMEMHDR_FLAG_ZEROED BIT(0)
|
|---|
| 50 | #define RTMEMHDR_FLAG_EXEC BIT(1)
|
|---|
| 51 | #ifdef __LINUX__
|
|---|
| 52 | #define RTMEMHDR_FLAG_EXEC_HEAP BIT(30)
|
|---|
| 53 | #define RTMEMHDR_FLAG_KMALLOC BIT(31)
|
|---|
| 54 | #endif
|
|---|
| 55 | /** @} */
|
|---|
| 56 |
|
|---|
| 57 |
|
|---|
| 58 | PRTMEMHDR rtMemAlloc(size_t cb, uint32_t fFlags);
|
|---|
| 59 | void rtMemFree(PRTMEMHDR pHdr);
|
|---|
| 60 |
|
|---|
| 61 | __END_DECLS
|
|---|
| 62 | #endif
|
|---|
| 63 |
|
|---|
