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117 lines
4.3 KiB
C
117 lines
4.3 KiB
C
/*
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* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* @OSF_COPYRIGHT@
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*/
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/*
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* Mach Operating System
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* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/*
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*/
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#ifndef _KERN_SYSCALL_SW_H_
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#define _KERN_SYSCALL_SW_H_
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#include <mach_assert.h>
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/*
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* mach_trap_stack indicates the trap may discard
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* its kernel stack. Some architectures may need
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* to save more state in the pcb for these traps.
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*/
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#if CONFIG_REQUIRES_U32_MUNGING
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typedef void mach_munge_t(void *);
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#elif __arm__ && (__BIGGEST_ALIGNMENT__ > 4)
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typedef int mach_munge_t(const void *, void *);
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#endif
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typedef struct {
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int mach_trap_arg_count; /* Number of trap arguments (Arch independant) */
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kern_return_t (*mach_trap_function)(void *);
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#if CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4))
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mach_munge_t *mach_trap_arg_munge32; /* system call argument munger routine for 32-bit */
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#endif
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int mach_trap_u32_words; /* number of 32-bit words to copyin for U32 */
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#if MACH_ASSERT
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const char* mach_trap_name;
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#endif /* MACH_ASSERT */
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} mach_trap_t;
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#define MACH_TRAP_TABLE_COUNT 128
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extern const mach_trap_t mach_trap_table[];
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extern const int mach_trap_count;
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#if CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4))
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#if !MACH_ASSERT
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#define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \
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{ (arg_count), (kern_return_t (*)(void *)) (name), munge32, (u32_arg_words) }
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#else /* !MACH_ASSERT */
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#define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \
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{ (arg_count), (kern_return_t (*)(void *)) (name), munge32, (u32_arg_words), #name }
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#endif /* !MACH_ASSERT */
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#else /* !CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4)) */
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#if !MACH_ASSERT
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#define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \
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{ (arg_count), (kern_return_t (*)(void *)) (name), (u32_arg_words) }
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#else /* !MACH_ASSERT */
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#define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \
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{ (arg_count), (kern_return_t (*)(void *)) (name), (u32_arg_words), #name }
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#endif /* !MACH_ASSERT */
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#endif /* !CONFIG_REQUIRES_U32_MUNGING */
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#endif /* _KERN_SYSCALL_SW_H_ */
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