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/*********************************************************
* Copyright (C) 2006 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation version 2.1 and no later version.
*
* 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 Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*********************************************************/
/*********************************************************
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of VMware Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission of VMware Inc.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*********************************************************/
/*********************************************************
* The contents of this file are subject to the terms of the Common
* Development and Distribution License (the "License") version 1.0
* and no later version. You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* http://www.opensource.org/licenses/cddl1.php
*
* See the License for the specific language governing permissions
* and limitations under the License.
*
*********************************************************/
/*
* kernelStubs.h
*
* KernelStubs implements some userspace library functions in terms
* of kernel functions to allow library userspace code to be used in a
* kernel.
*/
#ifndef __KERNELSTUBS_H__
#define __KERNELSTUBS_H__
#ifdef linux
# ifndef __KERNEL__
# error "__KERNEL__ is not defined"
# endif
# include "driver-config.h" // Must be included before any other header files
# include "vm_basic_types.h"
# include <linux/kernel.h>
# include <linux/string.h>
#elif defined(_WIN32)
# include "vm_basic_types.h"
# include <ntddk.h> /* kernel memory APIs */
# include <stdio.h> /* for _vsnprintf, vsprintf */
# include <stdarg.h> /* for va_start stuff */
# include <stdlib.h> /* for min macro. */
# include "vm_assert.h" /* Our assert macros */
#elif defined(__FreeBSD__)
# include "vm_basic_types.h"
# ifndef _KERNEL
# error "_KERNEL is not defined"
# endif
# include <sys/types.h>
# include <sys/malloc.h>
# include <sys/param.h>
# include <sys/kernel.h>
# include <machine/stdarg.h>
# include <sys/libkern.h>
#elif defined(__APPLE__)
# include "vm_basic_types.h"
# ifndef KERNEL
# error "KERNEL is not defined"
# endif
# include <stdarg.h>
# include <string.h>
# elif defined(sun)
# include "vm_basic_types.h"
# include <sys/types.h>
# include <sys/varargs.h>
#endif
/*
* Function Prototypes
*/
#if defined(linux) || defined(__APPLE__) || defined (sun)
# ifdef linux /* if (linux) { */
char *strdup(const char *source);
# endif
/* Shared between Linux and Apple kernel stubs. */
void *malloc(size_t size);
void free(void *mem);
void *calloc(size_t num, size_t len);
void *realloc(void *ptr, size_t newSize);
#elif defined(_WIN32) /* } else if (_WIN32) { */
#if (_WIN32_WINNT == 0x0400)
/* The following declarations are missing on NT4. */
typedef unsigned int UINT_PTR;
typedef unsigned int SIZE_T;
/* No free with tag availaible on NT4 kernel! */
#define KRNL_STUBS_FREE(P,T) ExFreePool((P))
#else /* _WIN32_WINNT */
#define KRNL_STUBS_FREE(P,T) ExFreePoolWithTag((P),(T))
/* Win 2K and later useful kernel function, documented but not declared! */
NTKERNELAPI VOID ExFreePoolWithTag(IN PVOID P, IN ULONG Tag);
#endif /* _WIN32_WINNT */
#elif defined(__FreeBSD__) /* } else if (FreeBSD) { */
/* Kernel memory on FreeBSD is tagged for statistics and sanity checking. */
MALLOC_DECLARE(M_VMWARE_TEMP);
/*
* On FreeBSD, the general memory allocator for both userland and the kernel is named
* malloc, but the kernel malloc() takes more arguments. The following alias & macros
* work around this, to provide the standard malloc() API for userspace code that is
* being used in the kernel.
*/
# undef malloc
static INLINE void *
__compat_malloc(unsigned long size, struct malloc_type *type, int flags) {
return malloc(size, type, flags);
}
# define malloc(size) __compat_malloc(size, M_VMWARE_TEMP, M_NOWAIT)
# define calloc(count, size) __compat_malloc((count) * (size), \
M_VMWARE_TEMP, M_NOWAIT|M_ZERO)
# define realloc(buf, size) realloc(buf, size, M_VMWARE_TEMP, M_NOWAIT)
# define free(buf) free(buf, M_VMWARE_TEMP)
# define strchr(s,c) index(s,c)
# define strrchr(s,c) rindex(s,c)
#endif /* } */
/*
* Stub functions we provide.
*/
void Panic(const char *fmt, ...);
char *Str_Strcpy(char *buf, const char *src, size_t maxSize);
int Str_Vsnprintf(char *str, size_t size, const char *format,
va_list arguments);
char *Str_Vasprintf(size_t *length, const char *format,
va_list arguments);
char *Str_Asprintf(size_t *length, const char *Format, ...);
/*
* Functions the driver must implement for the stubs.
*/
EXTERN void Debug(const char *fmt, ...);
#endif /* __KERNELSTUBS_H__ */
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