darling-objc4/runtime/objc-block-trampolines.h

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2020-06-09 14:23:25 +00:00
/*
* Copyright (c) 2018 Apple Inc. All Rights Reserved.
*
* @APPLE_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
* compliance with the License. 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,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* 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_LICENSE_HEADER_END@
*/
#ifndef _OBJC_TRAMPOLINES_H
#define _OBJC_TRAMPOLINES_H
/*
* WARNING DANGER HAZARD BEWARE EEK
*
* Everything in this file is for Apple Internal use only.
* These will change in arbitrary OS updates and in unpredictable ways.
* When your program breaks, you get to keep both pieces.
*/
/*
* objc-block-trampolines.h: Symbols for IMP block trampolines
*/
// WARNING: remapped code and dtrace do not play well together. Dtrace
// will place trap instructions to instrument the code, which then get
// remapped along with everything else. The remapped traps are not
// recognized by dtrace and the process crashes. To avoid this, dtrace
// blacklists this library by name. Do not change the name of this
// library. rdar://problem/42627391
#include <objc/objc-api.h>
OBJC_EXPORT const char _objc_blockTrampolineImpl
OBJC_AVAILABLE(10.14, 12.0, 12.0, 5.0, 3.0);
OBJC_EXPORT const char _objc_blockTrampolineStart
OBJC_AVAILABLE(10.14, 12.0, 12.0, 5.0, 3.0);
OBJC_EXPORT const char _objc_blockTrampolineLast
OBJC_AVAILABLE(10.14, 12.0, 12.0, 5.0, 3.0);
OBJC_EXPORT const char _objc_blockTrampolineImpl_stret
OBJC_AVAILABLE(10.14, 12.0, 12.0, 5.0, 3.0)
OBJC_ARM64_UNAVAILABLE;
OBJC_EXPORT const char _objc_blockTrampolineStart_stret
OBJC_AVAILABLE(10.14, 12.0, 12.0, 5.0, 3.0)
OBJC_ARM64_UNAVAILABLE;
OBJC_EXPORT const char _objc_blockTrampolineLast_stret
OBJC_AVAILABLE(10.14, 12.0, 12.0, 5.0, 3.0)
OBJC_ARM64_UNAVAILABLE;
#endif