/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999-2010 Apple 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
* 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,
* 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@
*/
/*
#include <mach/message.h>
#include <mach/exception.h>
#include <mach/mig_errors.h>
-#include <mach-o/dyld.h>
-#include <stdlib.h>
-__private_extern__ kern_return_t internal_catch_exception_raise_state (
- mach_port_t exception_port,
- exception_type_t exception,
- exception_data_t code,
- mach_msg_type_number_t codeCnt,
- int *flavor,
- thread_state_t old_state,
- mach_msg_type_number_t old_stateCnt,
- thread_state_t new_state,
- mach_msg_type_number_t *new_stateCnt)
+#include "abort.h"
+#include "exc_catcher.h"
+
+__private_extern__ kern_return_t
+internal_catch_exception_raise_state(
+ mach_port_t exception_port,
+ exception_type_t exception,
+ exception_data_t code,
+ mach_msg_type_number_t codeCnt,
+ int *flavor,
+ thread_state_t old_state,
+ mach_msg_type_number_t old_stateCnt,
+ thread_state_t new_state,
+ mach_msg_type_number_t *new_stateCnt)
{
#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, 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 *);
- if (checkForFunction == 0) {
- checkForFunction = 1;
- _dyld_lookup_and_bind("_catch_exception_raise_state", (unsigned long *)&func, (void **)0);
- }
- if (func == 0) {
- /* The user hasn't defined catch_exception_raise in their binary */
- abort();
- }
- return (*func)(exception_port, exception, code, codeCnt, flavor, old_state, old_stateCnt, new_state, new_stateCnt);
+ static _libkernel_exc_raise_state_func_t exc_raise_state_func = (void*)-1;
+
+ if (exc_raise_state_func == ((void*)-1) && _dlsym) {
+ exc_raise_state_func = _dlsym(RTLD_DEFAULT, "catch_exception_raise_state");
+ }
+ if (exc_raise_state_func == 0) {
+ /* The user hasn't defined catch_exception_raise in their binary */
+ abort();
+ }
+ return (*exc_raise_state_func)(exception_port, exception, code, codeCnt, flavor, old_state, old_stateCnt, new_state, new_stateCnt);
#else
- 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 *);
- return catch_exception_raise_state(exception_port, exception, code, codeCnt, flavor, old_state, old_stateCnt, new_state, new_stateCnt);
+ 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 *);
+ return catch_exception_raise_state(exception_port, exception, code, codeCnt, flavor, old_state, old_stateCnt, new_state, new_stateCnt);
#endif
}
-