1*5e3eaea3SApple OSS Distributions /*
2*5e3eaea3SApple OSS Distributions * Copyright (c) 1999-2010 Apple Inc. All rights reserved.
3*5e3eaea3SApple OSS Distributions *
4*5e3eaea3SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*5e3eaea3SApple OSS Distributions *
6*5e3eaea3SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*5e3eaea3SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*5e3eaea3SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*5e3eaea3SApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*5e3eaea3SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*5e3eaea3SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*5e3eaea3SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*5e3eaea3SApple OSS Distributions * terms of an Apple operating system software license agreement.
14*5e3eaea3SApple OSS Distributions *
15*5e3eaea3SApple OSS Distributions * Please obtain a copy of the License at
16*5e3eaea3SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*5e3eaea3SApple OSS Distributions *
18*5e3eaea3SApple OSS Distributions * The Original Code and all software distributed under the License are
19*5e3eaea3SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*5e3eaea3SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*5e3eaea3SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*5e3eaea3SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*5e3eaea3SApple OSS Distributions * Please see the License for the specific language governing rights and
24*5e3eaea3SApple OSS Distributions * limitations under the License.
25*5e3eaea3SApple OSS Distributions *
26*5e3eaea3SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*5e3eaea3SApple OSS Distributions */
28*5e3eaea3SApple OSS Distributions /*
29*5e3eaea3SApple OSS Distributions * catch_exception_raise will be implemented by user programs
30*5e3eaea3SApple OSS Distributions * This implementation is provided to resolve the reference in
31*5e3eaea3SApple OSS Distributions * exc_server().
32*5e3eaea3SApple OSS Distributions */
33*5e3eaea3SApple OSS Distributions
34*5e3eaea3SApple OSS Distributions #include <mach/boolean.h>
35*5e3eaea3SApple OSS Distributions #include <mach/message.h>
36*5e3eaea3SApple OSS Distributions #include <mach/exception.h>
37*5e3eaea3SApple OSS Distributions #include <mach/mig_errors.h>
38*5e3eaea3SApple OSS Distributions
39*5e3eaea3SApple OSS Distributions #include "abort.h"
40*5e3eaea3SApple OSS Distributions #include "exc_catcher.h"
41*5e3eaea3SApple OSS Distributions
42*5e3eaea3SApple OSS Distributions __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)43*5e3eaea3SApple OSS Distributions internal_catch_exception_raise(
44*5e3eaea3SApple OSS Distributions mach_port_t exception_port,
45*5e3eaea3SApple OSS Distributions mach_port_t thread,
46*5e3eaea3SApple OSS Distributions mach_port_t task,
47*5e3eaea3SApple OSS Distributions exception_type_t exception,
48*5e3eaea3SApple OSS Distributions exception_data_t code,
49*5e3eaea3SApple OSS Distributions mach_msg_type_number_t codeCnt)
50*5e3eaea3SApple OSS Distributions {
51*5e3eaea3SApple OSS Distributions #if defined(__DYNAMIC__)
52*5e3eaea3SApple OSS Distributions static _libkernel_exc_raise_func_t exc_raise_func = (void*)-1;
53*5e3eaea3SApple OSS Distributions
54*5e3eaea3SApple OSS Distributions if (exc_raise_func == ((void*)-1) && _dlsym) {
55*5e3eaea3SApple OSS Distributions exc_raise_func = _dlsym(RTLD_DEFAULT, "catch_exception_raise");
56*5e3eaea3SApple OSS Distributions }
57*5e3eaea3SApple OSS Distributions if (exc_raise_func == 0) {
58*5e3eaea3SApple OSS Distributions /* The user hasn't defined catch_exception_raise in their binary */
59*5e3eaea3SApple OSS Distributions abort();
60*5e3eaea3SApple OSS Distributions }
61*5e3eaea3SApple OSS Distributions return (*exc_raise_func)(exception_port, thread, task, exception, code, codeCnt);
62*5e3eaea3SApple OSS Distributions #else
63*5e3eaea3SApple OSS Distributions 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);
64*5e3eaea3SApple OSS Distributions return catch_exception_raise(exception_port, thread, task, exception, code, codeCnt);
65*5e3eaea3SApple OSS Distributions #endif
66*5e3eaea3SApple OSS Distributions }
67