dyld3/MachOAppCache.h

   1 /*
   2  * Copyright (c) 2017 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef MachOAppCache_h
  25 #define MachOAppCache_h
  26
  27 #include "MachOAnalyzer.h"
  28
  29 namespace dyld3 {
  30
  31 struct MachOAppCache : public MachOAnalyzer {
  32     // Taken from kmod.h
  33     enum {
  34         kmodMaxName = 64
  35     };
  36     #pragma pack(push, 4)
  37     struct KModInfo64_v1 {
  38         uint64_t            next_addr;
  39         int32_t             info_version;
  40         uint32_t            id;
  41         uint8_t             name[kmodMaxName];
  42         uint8_t             version[kmodMaxName];
  43         int32_t             reference_count;
  44         uint64_t            reference_list_addr;
  45         uint64_t            address;
  46         uint64_t            size;
  47         uint64_t            hdr_size;
  48         uint64_t            start_addr;
  49         uint64_t            stop_addr;
  50     };
  51     #pragma pack(pop)
  52
  53     void forEachDylib(Diagnostics& diag, void (^callback)(const MachOAnalyzer* ma, const char* name, bool& stop)) const;
  54
  55     // Walk the __PRELINK_INFO dictionary and return each bundle and its libraries
  56     void forEachPrelinkInfoLibrary(Diagnostics& diags,
  57                                    void (^callback)(const char* bundleName, const char* relativePath,
  58                                                     const std::vector<const char*>& deps)) const;
  59 };
  60
  61 } // namespace dyld3
  62
  63 #endif /* MachOAppCache_h */