1/* 2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * catch_exception_raise_state will be implemented by user programs 30 * This implementation is provided to resolve the reference in 31 * exc_server(). 32 */ 33 34#include <mach/boolean.h> 35#include <mach/message.h> 36#include <mach/exception.h> 37#include <mach/mig_errors.h> 38#include <dlfcn.h> 39#include <stdlib.h> 40 41__private_extern__ kern_return_t internal_catch_exception_raise_state ( 42 mach_port_t exception_port, 43 exception_type_t exception, 44 exception_data_t code, 45 mach_msg_type_number_t codeCnt, 46 int *flavor, 47 thread_state_t old_state, 48 mach_msg_type_number_t old_stateCnt, 49 thread_state_t new_state, 50 mach_msg_type_number_t *new_stateCnt) 51{ 52#if defined(__DYNAMIC__) 53 static int checkForFunction = 0; 54 /* This will be non-zero if the user has defined this function */ 55 static kern_return_t (*func)(mach_port_t, exception_type_t, exception_data_t, mach_msg_type_number_t, int *, thread_state_t, mach_msg_type_number_t, thread_state_t, mach_msg_type_number_t *); 56 if (checkForFunction == 0) { 57 checkForFunction = 1; 58 func = dlsym(RTLD_DEFAULT, "catch_exception_raise_state"); 59 } 60 if (func == 0) { 61 /* The user hasn't defined catch_exception_raise in their binary */ 62 abort(); 63 } 64 return (*func)(exception_port, exception, code, codeCnt, flavor, old_state, old_stateCnt, new_state, new_stateCnt); 65#else 66 extern kern_return_t catch_exception_raise_state(mach_port_t, exception_type_t, exception_data_t, mach_msg_type_number_t, int *, thread_state_t, mach_msg_type_number_t, thread_state_t, mach_msg_type_number_t *); 67 return catch_exception_raise_state(exception_port, exception, code, codeCnt, flavor, old_state, old_stateCnt, new_state, new_stateCnt); 68#endif 69} 70 71