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https://github.com/darlinghq/darling-xnu.git
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70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
/*
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* Copyright (c) 1999-2010 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* catch_exception_raise_state will be implemented by user programs
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* This implementation is provided to resolve the reference in
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* exc_server().
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*/
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#include <mach/boolean.h>
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#include <mach/message.h>
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#include <mach/exception.h>
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#include <mach/mig_errors.h>
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#include "abort.h"
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#include "exc_catcher.h"
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__private_extern__ kern_return_t
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internal_catch_exception_raise_state(
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mach_port_t exception_port,
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exception_type_t exception,
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exception_data_t code,
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mach_msg_type_number_t codeCnt,
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int *flavor,
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thread_state_t old_state,
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mach_msg_type_number_t old_stateCnt,
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thread_state_t new_state,
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mach_msg_type_number_t *new_stateCnt)
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{
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#if defined(__DYNAMIC__)
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static _libkernel_exc_raise_state_func_t exc_raise_state_func = (void*)-1;
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if (exc_raise_state_func == ((void*)-1) && _dlsym) {
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exc_raise_state_func = _dlsym(RTLD_DEFAULT, "catch_exception_raise_state");
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}
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if (exc_raise_state_func == 0) {
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/* The user hasn't defined catch_exception_raise in their binary */
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abort();
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}
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return (*exc_raise_state_func)(exception_port, exception, code, codeCnt, flavor, old_state, old_stateCnt, new_state, new_stateCnt);
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#else
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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 *);
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return catch_exception_raise_state(exception_port, exception, code, codeCnt, flavor, old_state, old_stateCnt, new_state, new_stateCnt);
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#endif
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}
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