Loading...
cache-builder/CachePatching.h dyld-960 /dev/null
--- dyld/dyld-960/cache-builder/CachePatching.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
- *
- * Copyright (c) 2003-2010 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 _CACHE_PATCHING_H_
-#define _CACHE_PATCHING_H_
-
-#include "MachOLoaded.h"
-
-//
-// MARK: --- V1 patching.  This is for old caches, before Large/Split caches ---
-//
-
-struct dyld_cache_patch_info_v1
-{
-    uint64_t    patchTableArrayAddr;    // (unslid) address of array for dyld_cache_image_patches for each image
-    uint64_t    patchTableArrayCount;   // count of patch table entries
-    uint64_t    patchExportArrayAddr;   // (unslid) address of array for patch exports for each image
-    uint64_t    patchExportArrayCount;  // count of patch exports entries
-    uint64_t    patchLocationArrayAddr; // (unslid) address of array for patch locations for each patch
-    uint64_t    patchLocationArrayCount;// count of patch location entries
-    uint64_t    patchExportNamesAddr;   // blob of strings of export names for patches
-    uint64_t    patchExportNamesSize;   // size of string blob of export names for patches
-};
-
-struct dyld_cache_image_patches_v1
-{
-    uint32_t    patchExportsStartIndex;
-    uint32_t    patchExportsCount;
-};
-
-struct dyld_cache_patchable_export_v1
-{
-    uint32_t            cacheOffsetOfImpl;
-    uint32_t            patchLocationsStartIndex;
-    uint32_t            patchLocationsCount;
-    uint32_t            exportNameOffset;
-};
-
-struct dyld_cache_patchable_location_v1
-{
-    uint32_t            cacheOffset;
-    uint64_t            high7                   : 7,
-                        addend                  : 5,    // 0..31
-                        authenticated           : 1,
-                        usesAddressDiversity    : 1,
-                        key                     : 2,
-                        discriminator           : 16;
-
-    uint64_t getAddend() const {
-        uint64_t unsingedAddend = addend;
-        int64_t signedAddend = (int64_t)unsingedAddend;
-        signedAddend = (signedAddend << 52) >> 52;
-        return (uint64_t)signedAddend;
-    }
-};
-
-//
-// MARK: --- V2 patching.  This is for Large/Split caches and newer ---
-//
-struct dyld_cache_patch_info_v2
-{
-    uint32_t    patchTableVersion;              // == 2
-    uint32_t    patchLocationVersion;           // == 0 for now
-    uint64_t    patchTableArrayAddr;            // (unslid) address of array for dyld_cache_image_patches_v2 for each image
-    uint64_t    patchTableArrayCount;           // count of patch table entries
-    uint64_t    patchImageExportsArrayAddr;     // (unslid) address of array for dyld_cache_image_export_v2 for each image
-    uint64_t    patchImageExportsArrayCount;    // count of patch table entries
-    uint64_t    patchClientsArrayAddr;          // (unslid) address of array for dyld_cache_image_clients_v2 for each image
-    uint64_t    patchClientsArrayCount;         // count of patch clients entries
-    uint64_t    patchClientExportsArrayAddr;    // (unslid) address of array for patch exports for each client image
-    uint64_t    patchClientExportsArrayCount;   // count of patch exports entries
-    uint64_t    patchLocationArrayAddr;         // (unslid) address of array for patch locations for each patch
-    uint64_t    patchLocationArrayCount;        // count of patch location entries
-    uint64_t    patchExportNamesAddr;           // blob of strings of export names for patches
-    uint64_t    patchExportNamesSize;           // size of string blob of export names for patches
-};
-
-struct dyld_cache_image_patches_v2
-{
-    uint32_t    patchClientsStartIndex;
-    uint32_t    patchClientsCount;
-    uint32_t    patchExportsStartIndex;         // Points to dyld_cache_image_export_v2[]
-    uint32_t    patchExportsCount;
-};
-
-struct dyld_cache_image_export_v2
-{
-    uint32_t    dylibOffsetOfImpl;              // Offset from the dylib we used to find a dyld_cache_image_patches_v2
-    uint32_t    exportNameOffset;
-};
-
-struct dyld_cache_image_clients_v2
-{
-    uint32_t    clientDylibIndex;
-    uint32_t    patchExportsStartIndex;         // Points to dyld_cache_patchable_export_v2[]
-    uint32_t    patchExportsCount;
-};
-
-struct dyld_cache_patchable_export_v2
-{
-    uint32_t    imageExportIndex;               // Points to dyld_cache_image_export_v2
-    uint32_t    patchLocationsStartIndex;       // Points to dyld_cache_patchable_location_v2[]
-    uint32_t    patchLocationsCount;
-};
-
-struct dyld_cache_patchable_location_v2
-{
-    uint32_t    dylibOffsetOfUse;               // Offset from the dylib we used to get a dyld_cache_image_clients_v2
-    uint32_t    high7                   : 7,
-                addend                  : 5,    // 0..31
-                authenticated           : 1,
-                usesAddressDiversity    : 1,
-                key                     : 2,
-                discriminator           : 16;
-
-    uint64_t getAddend() const {
-        uint64_t unsingedAddend = addend;
-        int64_t signedAddend = (int64_t)unsingedAddend;
-        signedAddend = (signedAddend << 52) >> 52;
-        return (uint64_t)signedAddend;
-    }
-};
-
-#endif /* _CACHE_PATCHING_H_ */
-