/* * Copyright (c) 2019 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef EXC_HELPERS_H #define EXC_HELPERS_H #include <mach/mach.h> #include <mach/exception.h> #include <mach/thread_status.h> /** * Callback invoked by run_exception_handler() when a Mach exception is * received. * * @param task the task causing the exception * @param thread the task causing the exception * @param type exception type received from the kernel * @param codes exception codes received from the kernel * * @return how much the exception handler should advance the program * counter, in bytes (in order to move past the code causing the * exception) */ typedef size_t (*exc_handler_callback_t)(mach_port_t task, mach_port_t thread, exception_type_t type, mach_exception_data_t codes); mach_port_t create_exception_port(exception_mask_t exception_mask); void run_exception_handler(mach_port_t exc_port, exc_handler_callback_t callback); #endif /* EXC_HELPERS_H */