/* * 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 <arm/_types.h> #include <sys/cdefs.h> /* * Basic integral types. Omit the typedef if * not possible for a machine/compiler combination. */ #include <sys/_types/_int8_t.h> #include <sys/_types/_int16_t.h> #include <sys/_types/_int32_t.h> #include <sys/_types/_int64_t.h> #include <sys/_types/_u_int8_t.h> #include <sys/_types/_u_int16_t.h> #include <sys/_types/_u_int32_t.h> #include <sys/_types/_u_int64_t.h> #if __LP64__ typedef int64_t register_t; #else typedef int32_t register_t; #endif #include <sys/_types/_intptr_t.h> #include <sys/_types/_uintptr_t.h> #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; /* * This alignment is required to ensure symmetry between userspace and kernelspace * when the kernel is 64-bit and the user application is 32-bit. All currently * supported ARM slices (arm64/armv7k/arm64_32) contain the same type alignment * ABI so this alignment isn't needed for ARM. */ #if defined(__x86_64__) typedef __int64_t user32_off_t __attribute__((aligned(4))); #else typedef __int64_t user32_off_t; #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_ */