/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * catch_exception_raise will be implemented by user programs * This implementation is provided to resolve the reference in * exc_server(). */ #include <mach/boolean.h> #include <mach/message.h> #include <mach/exception.h> #include <mach/mig_errors.h> #include <mach-o/dyld.h> __private_extern__ kern_return_t internal_catch_exception_raise ( mach_port_t exception_port, mach_port_t thread, mach_port_t task, exception_type_t exception, exception_data_t code, mach_msg_type_number_t codeCnt) { #if defined(__DYNAMIC__) static int checkForFunction = 0; /* This will be non-zero if the user has defined this function */ static kern_return_t (*func)(mach_port_t, mach_port_t, mach_port_t, exception_type_t, exception_data_t, mach_msg_type_number_t); if (checkForFunction == 0) { checkForFunction = 1; _dyld_lookup_and_bind("_catch_exception_raise", (unsigned long *)&func, (void **)0); } if (func == 0) { /* The user hasn't defined catch_exception_raise in their binary */ abort(); } return (*func)(exception_port, thread, task, exception, code, codeCnt); #else extern kern_return_t catch_exception_raise(mach_port_t, mach_port_t, mach_port_t, exception_type_t, exception_data_t, mach_msg_type_number_t); return catch_exception_raise(exception_port, thread, task, exception, code, codeCnt); #endif }