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59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
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/*
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* Copyright (c) 2019 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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#ifndef EXC_HELPERS_H
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#define EXC_HELPERS_H
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#include <mach/mach.h>
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#include <mach/exception.h>
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#include <mach/thread_status.h>
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/**
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* Callback invoked by run_exception_handler() when a Mach exception is
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* received.
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*
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* @param task the task causing the exception
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* @param thread the task causing the exception
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* @param type exception type received from the kernel
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* @param codes exception codes received from the kernel
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*
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* @return how much the exception handler should advance the program
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* counter, in bytes (in order to move past the code causing the
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* exception)
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*/
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typedef size_t (*exc_handler_callback_t)(mach_port_t task, mach_port_t thread,
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exception_type_t type, mach_exception_data_t codes);
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mach_port_t
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create_exception_port(exception_mask_t exception_mask);
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void
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run_exception_handler(mach_port_t exc_port, exc_handler_callback_t callback);
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#endif /* EXC_HELPERS_H */
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