X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/4d15aeb193b2c68f1d38666c317f8d3734f5f083..5ba3f43ea354af8ad55bea84372a2bc834d8757c:/bsd/arm/types.h diff --git a/bsd/arm/types.h b/bsd/arm/types.h new file mode 100644 index 000000000..18906141c --- /dev/null +++ b/bsd/arm/types.h @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2000-2008 Apple Inc. All rights reserved. + */ +/* + * Copyright 1995 NeXT Computer, Inc. All rights reserved. + */ +/* + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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. + * + * @(#)types.h 8.3 (Berkeley) 1/5/94 + */ + +#ifndef _MACHTYPES_H_ +#define _MACHTYPES_H_ + +#ifndef __ASSEMBLER__ +#include +#include +/* + * Basic integral types. Omit the typedef if + * not possible for a machine/compiler combination. + */ +#include +#include +#include +#include + +#include +#include +#include +#include + +#if __LP64__ +typedef int64_t register_t; +#else +typedef int32_t register_t; +#endif + +#include +#include + +#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) +/* These types are used for reserving the largest possible size. */ +#ifdef __arm64__ +typedef u_int64_t user_addr_t; +typedef u_int64_t user_size_t; +typedef int64_t user_ssize_t; +typedef int64_t user_long_t; +typedef u_int64_t user_ulong_t; +typedef int64_t user_time_t; +typedef int64_t user_off_t; +#else +typedef u_int32_t user_addr_t; +typedef u_int32_t user_size_t; +typedef int32_t user_ssize_t; +typedef int32_t user_long_t; +typedef u_int32_t user_ulong_t; +typedef int32_t user_time_t; +typedef int64_t user_off_t; +#endif + +#define USER_ADDR_NULL ((user_addr_t) 0) +#define CAST_USER_ADDR_T(a_ptr) ((user_addr_t)((uintptr_t)(a_ptr))) + +#ifdef KERNEL + +/* + * These types are used when you know the word size of the target + * user process. They can be used to create struct layouts independent + * of the types and alignment requirements of the current running + * kernel. + */ + +/* + * The user64_ types are not used on the ARM platform, but exist + * so that APIs that conditionalize their behavior based on the + * size of an input structure (like many ioctl(2) implementations) + * can differentiate those structures without a duplicate case + * value. + */ + +/* + * The default ABI for the ARM platform aligns fundamental integral + * data types to their natural boundaries, with a maximum alignment + * of 4, even for 8-byte quantites. + */ + +typedef __uint64_t user64_addr_t; +typedef __uint64_t user64_size_t; +typedef __int64_t user64_ssize_t; +typedef __int64_t user64_long_t; +typedef __uint64_t user64_ulong_t; +typedef __int64_t user64_time_t; +typedef __int64_t user64_off_t; + +typedef __uint32_t user32_addr_t; +typedef __uint32_t user32_size_t; +typedef __int32_t user32_ssize_t; +typedef __int32_t user32_long_t; +typedef __uint32_t user32_ulong_t; +typedef __int32_t user32_time_t; +#if __arm__ && (__BIGGEST_ALIGNMENT__ > 4) +typedef __int64_t user32_off_t; +#else +typedef __int64_t user32_off_t __attribute__((aligned(4))); +#endif + +#endif /* KERNEL */ + +#endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* This defines the size of syscall arguments after copying into the kernel: */ +#if defined(__arm__) +typedef u_int32_t syscall_arg_t; +#elif defined(__arm64__) +typedef u_int64_t syscall_arg_t; +#else +#error Unknown architecture. +#endif + +#endif /* __ASSEMBLER__ */ +#endif /* _MACHTYPES_H_ */