--- dyld/dyld-1340/include/objc-shared-cache.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/* 
- * Copyright (c) 2008 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@
- */
-
-/*
- * objc-selopt.h
- * Interface between libobjc and dyld 
- * for selector uniquing in the dyld shared cache.
- *
- * When building the shared cache, dyld locates all selectors and selector 
- * references in the cached images. It builds a perfect hash table out of 
- * them and writes the table into the shared cache copy of libobjc.
- * libobjc then uses that table as the builtin selector list.
- *
- * Versioning
- * The table has a version number. dyld and objc can both ignore the table 
- * if the other used the wrong version number.
- *
- * Completeness
- * Not all libraries are in the shared cache. Libraries that are in the 
- * shared cache and were optimized are specially marked. Libraries on 
- * disk never include those marks.
- *
- * Coherency
- * Libraries optimized in the shared cache can be replaced by unoptimized 
- * copies from disk when loaded. The copy from disk is not marked and will 
- * be fixed up by libobjc. The shared cache copy is still mapped into the 
- * process, so the table can point to cstring data in that library's part 
- * of the shared cache without trouble.
- * 
- * Atomicity
- * dyld writes the table itself last. If dyld marks some metadata as 
- * updated but then fails to write a table for some reason, libobjc 
- * fixes up all metadata as if it were not marked.
- */
-
-#ifndef _OBJC_SELOPT_H
-#define _OBJC_SELOPT_H
-
-#include <stdint.h>
-#include <stdlib.h>
-
-// Tell libobjc that this dyld is built for large caches
-// This really means the dyld SPIs are going to visit shared cache hash tables
-#define DYLD_LARGE_SHARED_CACHE_SUPPORT 1
-
-namespace objc {
-class SelectorHashTable;
-class ClassHashTable;
-class ProtocolHashTable;
-}
-
-namespace objc_opt {
-
-// Precomputed image list.
-struct objc_headeropt_ro_t;
-
-// Precomputed image list.
-struct objc_headeropt_rw_t;
-
-// Edit objc-sel-table.s if you change this value.
-// lldb and Symbolication read these structures. Inform them of any changes.
-enum { VERSION = 16 };
-
-// Values for objc_opt_t::flags
-enum : uint32_t {
-    IsProduction = (1 << 0),                // never set in development cache
-    NoMissingWeakSuperclasses = (1 << 1),   // set in development cache and customer
-    LargeSharedCache = (1 << 2),            // Shared cache was built with the new Large format
-};
-
-// Top-level optimization structure.
-// Edit objc-sel-table.s if you change this structure.
-struct alignas(alignof(uint64_t)) objc_opt_t {
-    uint32_t version;
-    uint32_t flags;
-    int32_t selopt_offset;
-    int32_t headeropt_ro_offset;
-    int32_t unused_clsopt_offset;
-    int32_t unused_protocolopt_offset; // This is now 0 as we've moved to the new protocolopt_offset
-    int32_t headeropt_rw_offset;
-    int32_t unused_protocolopt2_offset;
-    int32_t largeSharedCachesClassOffset;
-    int32_t largeSharedCachesProtocolOffset;
-    int64_t relativeMethodSelectorBaseAddressOffset; // Relative method list selectors are offsets from this address
-
-    const objc::SelectorHashTable* selectorOpt() const {
-        if (selopt_offset == 0) return NULL;
-        return (objc::SelectorHashTable *)((uint8_t *)this + selopt_offset);
-    }
-
-    struct objc_headeropt_ro_t* headeropt_ro() const {
-        if (headeropt_ro_offset == 0) return NULL;
-        return (struct objc_headeropt_ro_t *)((uint8_t *)this + headeropt_ro_offset);
-    }
-
-    void* oldClassOpt() const {
-        if (unused_clsopt_offset == 0) return NULL;
-        return (void *)((uint8_t *)this + unused_clsopt_offset);
-    }
-
-    void* protocolopt() const {
-        return NULL;
-    }
-
-    void* oldProtocolOpt2() const {
-        if (unused_protocolopt2_offset == 0) return NULL;
-        return (void *)((uint8_t *)this + unused_protocolopt2_offset);
-    }
-
-    struct objc_headeropt_rw_t* headeropt_rw() const {
-        if (headeropt_rw_offset == 0) return NULL;
-        return (struct objc_headeropt_rw_t *)((uint8_t *)this + headeropt_rw_offset);
-    }
-
-    const objc::ClassHashTable* classOpt() const {
-        if (largeSharedCachesClassOffset == 0) return NULL;
-        return (objc::ClassHashTable *)((uint8_t *)this + largeSharedCachesClassOffset);
-    }
-
-    const objc::ProtocolHashTable* protocolOpt() const {
-        if (largeSharedCachesProtocolOffset == 0) return NULL;
-        return (objc::ProtocolHashTable *)((uint8_t *)this + largeSharedCachesProtocolOffset);
-    }
-
-    const void* relativeMethodListsBaseAddress() const {
-        if (relativeMethodSelectorBaseAddressOffset == 0) return NULL;
-        return (const void*)((uint8_t *)this + relativeMethodSelectorBaseAddressOffset);
-    }
-};
-
-// sizeof(objc_opt_t) must be pointer-aligned
-static_assert(sizeof(objc_opt_t) % sizeof(void*) == 0);
-
-
-// List of offsets in libobjc that the shared cache optimization needs to use.
-template <typename T>
-struct objc_opt_pointerlist_tt {
-    T protocolClass;
-};
-typedef struct objc_opt_pointerlist_tt<uintptr_t> objc_opt_pointerlist_t;
-
-} // namespace objc_opt
-
-#endif