mirror of
https://github.com/darlinghq/darling-dyld.git
synced 2024-11-23 04:19:41 +00:00
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/*
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* Copyright (c) 2017 Apple Inc. All rights reserved.
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*
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* @APPLE_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. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* 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_LICENSE_HEADER_END@
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*/
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <TargetConditionals.h>
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#include "Loading.h" // For internalInstall()
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#include "BootArgs.h"
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namespace dyld {
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#if defined(__x86_64__) && !TARGET_OS_SIMULATOR
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bool isTranslated();
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#endif
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}
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namespace dyld3 {
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uint64_t BootArgs::_flags = 0;
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bool BootArgs::forceCustomerCache() {
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return (_flags & kForceCustomerCacheMask);
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}
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bool BootArgs::forceDevelopmentCache() {
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return (_flags & kForceDevelopmentCacheMask);
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}
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bool BootArgs::forceDyld2() {
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#if defined(__x86_64__) && !TARGET_OS_SIMULATOR
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if (dyld::isTranslated()) { return true; }
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#endif
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// If both force dyld2 and dyld3 are set then use dyld3
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if (_flags & kForceDyld3CacheMask) { return false; }
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if (_flags & kForceDyld2CacheMask) { return true; }
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return false;
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}
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bool BootArgs::forceDyld3() {
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return (_flags & kForceDyld3CacheMask);
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}
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bool BootArgs::enableDyldTestMode() {
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return (_flags & kDyldTestModeMask);
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}
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bool BootArgs::enableCompactImageInfo() {
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return (_flags & kEnableCompactImageInfoMask);
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}
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bool BootArgs::forceReadOnlyDataConst() {
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return (_flags & kForceReadOnlyDataConstMask);
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}
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bool BootArgs::forceReadWriteDataConst() {
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return (_flags & kForceReadWriteDataConstMask);
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}
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void BootArgs::setFlags(uint64_t flags) {
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#if TARGET_IPHONE_SIMULATOR
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return;
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#else
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// don't check for boot-args on customer installs
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if ( !internalInstall() )
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return;
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_flags = flags;
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#endif
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}
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};
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