| | 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 <mach-o/dyld.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 | _dyld_lookup_and_bind("_catch_exception_raise_state", (unsigned long *)&func, (void **)0); |
| | 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 | |
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