12.去符号与恢复符号
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Last updated
Was this helpful?
我们在做逆向的时候，App的符号都被去掉了，所以我们需要对符号进行符号恢复。 去符号会使应用包更小。
动态库：保留全局符号
Deployment Postprocessing
YES: 编译也去符号
NO: 只在打包时去符号
Strip Style
All Symbols
所有符号
Non-Global Symbols
除了全局符号
Debugging Symbols
调试符号
只剩下间接符号和一个全局、一个本地
这里是函数的实现地址
间接符号的地址这里全是0，调用的时候会先去找桩
去符号之前可以看到全局符和本地符号的地址
我们定义的基本都是全集符号
static 是本地符号
objdump --macho -t 你的macho文件名
SymbolBind:
SYMBOL TABLE:
0000000100005f18 l F __TEXT,__text -[ViewController viewDidLoad]
0000000100005f88 l F __TEXT,__text -[ViewController test]
0000000100005fd0 l F __TEXT,__text -[AppDelegate application:didFinishLaunchingWithOptions:]
000000010000604c l F __TEXT,__text -[AppDelegate application:configurationForConnectingSceneSession:options:]
000000010000614c l F __TEXT,__text -[AppDelegate application:didDiscardSceneSessions:]
000000010000625c l F __TEXT,__text -[SceneDelegate scene:willConnectToSession:options:]
00000001000062f8 l F __TEXT,__text -[SceneDelegate sceneDidDisconnect:]
0000000100006344 l F __TEXT,__text -[SceneDelegate sceneDidBecomeActive:]
0000000100006390 l F __TEXT,__text -[SceneDelegate sceneWillResignActive:]
00000001000063dc l F __TEXT,__text -[SceneDelegate sceneWillEnterForeground:]
0000000100006428 l F __TEXT,__text -[SceneDelegate sceneDidEnterBackground:]
0000000100006474 l F __TEXT,__text -[SceneDelegate window]
0000000100006498 l F __TEXT,__text -[SceneDelegate setWindow:]
00000001000064d4 l F __TEXT,__text -[SceneDelegate .cxx_destruct]
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00000001000080d0 w O __DATA_CONST,__objc_protolist __OBJC_LABEL_PROTOCOL_$_UISceneDelegate
00000001000080d8 w O __DATA_CONST,__objc_protolist __OBJC_LABEL_PROTOCOL_$_UIWindowSceneDelegate
000000010000c068 l O __DATA,__objc_const __OBJC_METACLASS_RO_$_ViewController
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000000010000c0e8 l O __DATA,__objc_const __OBJC_CLASS_RO_$_ViewController
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000000010000c320 l O __DATA,__objc_const __OBJC_$_PROP_LIST_NSObject
000000010000c368 l O __DATA,__objc_const __OBJC_$_PROTOCOL_METHOD_TYPES_NSObject
000000010000c408 l O __DATA,__objc_const __OBJC_$_PROTOCOL_REFS_UIApplicationDelegate
000000010000c420 l O __DATA,__objc_const __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_UIApplicationDelegate
000000010000c938 l O __DATA,__objc_const __OBJC_$_PROP_LIST_UIApplicationDelegate
000000010000c950 l O __DATA,__objc_const __OBJC_$_PROTOCOL_METHOD_TYPES_UIApplicationDelegate
000000010000cb00 l O __DATA,__objc_const __OBJC_CLASS_PROTOCOLS_$_AppDelegate
000000010000cb18 l O __DATA,__objc_const __OBJC_METACLASS_RO_$_AppDelegate
000000010000cb60 l O __DATA,__objc_const __OBJC_$_INSTANCE_METHODS_AppDelegate
000000010000cbb0 l O __DATA,__objc_const __OBJC_$_PROP_LIST_AppDelegate
000000010000cc08 l O __DATA,__objc_const __OBJC_CLASS_RO_$_AppDelegate
000000010000cc50 l O __DATA,__objc_const __OBJC_$_PROTOCOL_INSTANCE_METHODS_NSObject
000000010000ce20 l O __DATA,__objc_const __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_NSObject
000000010000ce40 l O __DATA,__objc_const __OBJC_$_PROP_LIST_NSObject
000000010000ce88 l O __DATA,__objc_const __OBJC_$_PROTOCOL_METHOD_TYPES_NSObject
000000010000cf28 l O __DATA,__objc_const __OBJC_$_PROTOCOL_REFS_UISceneDelegate
000000010000cf40 l O __DATA,__objc_const __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_UISceneDelegate
000000010000d068 l O __DATA,__objc_const __OBJC_$_PROTOCOL_METHOD_TYPES_UISceneDelegate
000000010000d0c8 l O __DATA,__objc_const __OBJC_$_PROTOCOL_REFS_UIWindowSceneDelegate
000000010000d0e0 l O __DATA,__objc_const __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_UIWindowSceneDelegate
000000010000d160 l O __DATA,__objc_const __OBJC_$_PROP_LIST_UIWindowSceneDelegate
000000010000d178 l O __DATA,__objc_const __OBJC_$_PROTOCOL_METHOD_TYPES_UIWindowSceneDelegate
000000010000d1a0 l O __DATA,__objc_const __OBJC_CLASS_PROTOCOLS_$_SceneDelegate
000000010000d1b8 l O __DATA,__objc_const __OBJC_METACLASS_RO_$_SceneDelegate
000000010000d200 l O __DATA,__objc_const __OBJC_$_INSTANCE_METHODS_SceneDelegate
000000010000d2e0 l O __DATA,__objc_const __OBJC_$_INSTANCE_VARIABLES_SceneDelegate
000000010000d308 l O __DATA,__objc_const __OBJC_$_PROP_LIST_SceneDelegate
000000010000d360 l O __DATA,__objc_const __OBJC_CLASS_RO_$_SceneDelegate
000000010000d3e0 l O __DATA,__objc_ivar _OBJC_IVAR_$_SceneDelegate._window
000000010000d4d8 l O __DATA,__data __dyld_private
000000010000d4e0 w O __DATA,__data __OBJC_PROTOCOL_$_NSObject
000000010000d540 w O __DATA,__data __OBJC_PROTOCOL_$_UIApplicationDelegate
000000010000d5a0 w O __DATA,__data __OBJC_PROTOCOL_$_UISceneDelegate
000000010000d600 w O __DATA,__data __OBJC_PROTOCOL_$_UIWindowSceneDelegate
0000000000000000 d *UND* /Users/RyukieW/RyukieSamaProject/Study/逆向/Code/SymbolBind/SymbolBind/
0000000000000000 d *UND* ViewController.m
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0000000100005f18 d *UND*
0000000100005f18 d *UND* -[ViewController viewDidLoad]
0000000000000070 d *UND*
0000000000000070 d *UND*
0000000100005f88 d *UND*
0000000100005f88 d *UND* -[ViewController test]
000000000000002c d *UND*
000000000000002c d *UND*
0000000100005fb4 d *UND*
0000000100005fb4 d *UND* _testLocalFunction
000000000000001c d *UND*
000000000000001c d *UND*
000000010000c068 d *UND* __OBJC_METACLASS_RO_$_ViewController
000000010000c0b0 d *UND* __OBJC_$_INSTANCE_METHODS_ViewController
000000010000c0e8 d *UND* __OBJC_CLASS_RO_$_ViewController
0000000000000000 d *UND* _OBJC_CLASS_$_ViewController
0000000000000000 d *UND* _OBJC_METACLASS_$_ViewController
0000000000000000 d *UND*
0000000000000000 d *UND* /Users/RyukieW/RyukieSamaProject/Study/逆向/Code/SymbolBind/SymbolBind/
0000000000000000 d *UND* AppDelegate.m
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0000000100005fd0 d *UND*
0000000100005fd0 d *UND* -[AppDelegate application:didFinishLaunchingWithOptions:]
000000000000007c d *UND*
000000000000007c d *UND*
000000010000604c d *UND*
000000010000604c d *UND* -[AppDelegate application:configurationForConnectingSceneSession:options:]
0000000000000100 d *UND*
0000000000000100 d *UND*
000000010000614c d *UND*
000000010000614c d *UND* -[AppDelegate application:didDiscardSceneSessions:]
0000000000000074 d *UND*
0000000000000074 d *UND*
0000000000000000 d *UND* __OBJC_LABEL_PROTOCOL_$_NSObject
0000000000000000 d *UND* __OBJC_LABEL_PROTOCOL_$_UIApplicationDelegate
000000010000c130 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_NSObject
000000010000c300 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_NSObject
000000010000c320 d *UND* __OBJC_$_PROP_LIST_NSObject
000000010000c368 d *UND* __OBJC_$_PROTOCOL_METHOD_TYPES_NSObject
000000010000c408 d *UND* __OBJC_$_PROTOCOL_REFS_UIApplicationDelegate
000000010000c420 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_UIApplicationDelegate
000000010000c938 d *UND* __OBJC_$_PROP_LIST_UIApplicationDelegate
000000010000c950 d *UND* __OBJC_$_PROTOCOL_METHOD_TYPES_UIApplicationDelegate
000000010000cb00 d *UND* __OBJC_CLASS_PROTOCOLS_$_AppDelegate
000000010000cb18 d *UND* __OBJC_METACLASS_RO_$_AppDelegate
000000010000cb60 d *UND* __OBJC_$_INSTANCE_METHODS_AppDelegate
000000010000cbb0 d *UND* __OBJC_$_PROP_LIST_AppDelegate
000000010000cc08 d *UND* __OBJC_CLASS_RO_$_AppDelegate
0000000000000000 d *UND* _OBJC_METACLASS_$_AppDelegate
0000000000000000 d *UND* _OBJC_CLASS_$_AppDelegate
0000000000000000 d *UND* __OBJC_PROTOCOL_$_NSObject
0000000000000000 d *UND* __OBJC_PROTOCOL_$_UIApplicationDelegate
0000000000000000 d *UND*
0000000000000000 d *UND* /Users/RyukieW/RyukieSamaProject/Study/逆向/Code/SymbolBind/SymbolBind/
0000000000000000 d *UND* main.m
0000000060a0b161 d *UND* /Users/RyukieW/Library/Developer/Xcode/DerivedData/SymbolBind-bhluvjpsukewfxgsouyiwqlmcntk/Build/Intermediates.noindex/SymbolBind.build/Debug-iphoneos/SymbolBind.build/Objects-normal/arm64/main.o
00000001000061c0 d *UND*
00000001000061c0 d *UND* _main
000000000000009c d *UND*
000000000000009c d *UND*
0000000000000000 d *UND*
0000000000000000 d *UND* /Users/RyukieW/RyukieSamaProject/Study/逆向/Code/SymbolBind/SymbolBind/
0000000000000000 d *UND* SceneDelegate.m
0000000060a0b161 d *UND* /Users/RyukieW/Library/Developer/Xcode/DerivedData/SymbolBind-bhluvjpsukewfxgsouyiwqlmcntk/Build/Intermediates.noindex/SymbolBind.build/Debug-iphoneos/SymbolBind.build/Objects-normal/arm64/SceneDelegate.o
000000010000625c d *UND*
000000010000625c d *UND* -[SceneDelegate scene:willConnectToSession:options:]
000000000000009c d *UND*
000000000000009c d *UND*
00000001000062f8 d *UND*
00000001000062f8 d *UND* -[SceneDelegate sceneDidDisconnect:]
000000000000004c d *UND*
000000000000004c d *UND*
0000000100006344 d *UND*
0000000100006344 d *UND* -[SceneDelegate sceneDidBecomeActive:]
000000000000004c d *UND*
000000000000004c d *UND*
0000000100006390 d *UND*
0000000100006390 d *UND* -[SceneDelegate sceneWillResignActive:]
000000000000004c d *UND*
000000000000004c d *UND*
00000001000063dc d *UND*
00000001000063dc d *UND* -[SceneDelegate sceneWillEnterForeground:]
000000000000004c d *UND*
000000000000004c d *UND*
0000000100006428 d *UND*
0000000100006428 d *UND* -[SceneDelegate sceneDidEnterBackground:]
000000000000004c d *UND*
000000000000004c d *UND*
0000000100006474 d *UND*
0000000100006474 d *UND* -[SceneDelegate window]
0000000000000024 d *UND*
0000000000000024 d *UND*
0000000100006498 d *UND*
0000000100006498 d *UND* -[SceneDelegate setWindow:]
000000000000003c d *UND*
000000000000003c d *UND*
00000001000064d4 d *UND*
00000001000064d4 d *UND* -[SceneDelegate .cxx_destruct]
000000000000003c d *UND*
000000000000003c d *UND*
0000000000000000 d *UND* __OBJC_LABEL_PROTOCOL_$_UISceneDelegate
0000000000000000 d *UND* __OBJC_LABEL_PROTOCOL_$_UIWindowSceneDelegate
000000010000cc50 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_NSObject
000000010000ce20 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_NSObject
000000010000ce40 d *UND* __OBJC_$_PROP_LIST_NSObject
000000010000ce88 d *UND* __OBJC_$_PROTOCOL_METHOD_TYPES_NSObject
000000010000cf28 d *UND* __OBJC_$_PROTOCOL_REFS_UISceneDelegate
000000010000cf40 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_UISceneDelegate
000000010000d068 d *UND* __OBJC_$_PROTOCOL_METHOD_TYPES_UISceneDelegate
000000010000d0c8 d *UND* __OBJC_$_PROTOCOL_REFS_UIWindowSceneDelegate
000000010000d0e0 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_UIWindowSceneDelegate
000000010000d160 d *UND* __OBJC_$_PROP_LIST_UIWindowSceneDelegate
000000010000d178 d *UND* __OBJC_$_PROTOCOL_METHOD_TYPES_UIWindowSceneDelegate
000000010000d1a0 d *UND* __OBJC_CLASS_PROTOCOLS_$_SceneDelegate
000000010000d1b8 d *UND* __OBJC_METACLASS_RO_$_SceneDelegate
000000010000d200 d *UND* __OBJC_$_INSTANCE_METHODS_SceneDelegate
000000010000d2e0 d *UND* __OBJC_$_INSTANCE_VARIABLES_SceneDelegate
000000010000d308 d *UND* __OBJC_$_PROP_LIST_SceneDelegate
000000010000d360 d *UND* __OBJC_CLASS_RO_$_SceneDelegate
0000000000000000 d *UND* _OBJC_IVAR_$_SceneDelegate._window
0000000000000000 d *UND* _OBJC_METACLASS_$_SceneDelegate
0000000000000000 d *UND* _OBJC_CLASS_$_SceneDelegate
0000000000000000 d *UND* __OBJC_PROTOCOL_$_UISceneDelegate
0000000000000000 d *UND* __OBJC_PROTOCOL_$_UIWindowSceneDelegate
0000000000000000 d *UND*
000000010000d460 g O __DATA,__objc_data _OBJC_CLASS_$_AppDelegate
000000010000d4b0 g O __DATA,__objc_data _OBJC_CLASS_$_SceneDelegate
000000010000d3e8 g O __DATA,__objc_data _OBJC_CLASS_$_ViewController
000000010000d438 g O __DATA,__objc_data _OBJC_METACLASS_$_AppDelegate
000000010000d488 g O __DATA,__objc_data _OBJC_METACLASS_$_SceneDelegate
000000010000d410 g O __DATA,__objc_data _OBJC_METACLASS_$_ViewController
0000000100000000 g F __TEXT,__text __mh_execute_header
00000001000061c0 g F __TEXT,__text _main
0000000100005fb4 g F __TEXT,__text _testLocalFunction
0000000000000000 *UND* _NSLog
0000000000000000 *UND* _NSStringFromClass
0000000000000000 *UND* _OBJC_CLASS_$_UIResponder
0000000000000000 *UND* _OBJC_CLASS_$_UISceneConfiguration
0000000000000000 *UND* _OBJC_CLASS_$_UIViewController
0000000000000000 *UND* _OBJC_METACLASS_$_NSObject
0000000000000000 *UND* _OBJC_METACLASS_$_UIResponder
0000000000000000 *UND* _OBJC_METACLASS_$_UIViewController
0000000000000000 *UND* _UIApplicationMain
0000000000000000 *UND* ___CFConstantStringClassReference
0000000000000000 *UND* __objc_empty_cache
0000000000000000 *UND* _objc_alloc
0000000000000000 *UND* _objc_autoreleasePoolPop
0000000000000000 *UND* _objc_autoreleasePoolPush
0000000000000000 *UND* _objc_autoreleaseReturnValue
0000000000000000 *UND* _objc_msgSend
0000000000000000 *UND* _objc_msgSendSuper2
0000000000000000 *UND* _objc_opt_class
0000000000000000 *UND* _objc_release
0000000000000000 *UND* _objc_retainAutoreleasedReturnValue
0000000000000000 *UND* _objc_storeStrong
0000000000000000 *UND* dyld_stub_binder
➜ 11 clear
➜ 11 objdump --macho -t SymbolBind
SymbolBind:
SYMBOL TABLE:
0000000100005f10 l F __TEXT,__text -[ViewController viewDidLoad]
0000000100005f80 l F __TEXT,__text -[ViewController test]
0000000100005fc8 l F __TEXT,__text -[AppDelegate application:didFinishLaunchingWithOptions:]
0000000100006044 l F __TEXT,__text -[AppDelegate application:configurationForConnectingSceneSession:options:]
0000000100006144 l F __TEXT,__text -[AppDelegate application:didDiscardSceneSessions:]
0000000100006254 l F __TEXT,__text -[SceneDelegate scene:willConnectToSession:options:]
00000001000062f0 l F __TEXT,__text -[SceneDelegate sceneDidDisconnect:]
000000010000633c l F __TEXT,__text -[SceneDelegate sceneDidBecomeActive:]
0000000100006388 l F __TEXT,__text -[SceneDelegate sceneWillResignActive:]
00000001000063d4 l F __TEXT,__text -[SceneDelegate sceneWillEnterForeground:]
0000000100006420 l F __TEXT,__text -[SceneDelegate sceneDidEnterBackground:]
000000010000646c l F __TEXT,__text -[SceneDelegate window]
0000000100006490 l F __TEXT,__text -[SceneDelegate setWindow:]
00000001000064cc l F __TEXT,__text -[SceneDelegate .cxx_destruct]
00000001000080c0 w O __DATA_CONST,__objc_protolist __OBJC_LABEL_PROTOCOL_$_NSObject
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00000001000080d0 w O __DATA_CONST,__objc_protolist __OBJC_LABEL_PROTOCOL_$_UISceneDelegate
00000001000080d8 w O __DATA_CONST,__objc_protolist __OBJC_LABEL_PROTOCOL_$_UIWindowSceneDelegate
000000010000c068 l O __DATA,__objc_const __OBJC_METACLASS_RO_$_ViewController
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000000010000c300 l O __DATA,__objc_const __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_NSObject
000000010000c320 l O __DATA,__objc_const __OBJC_$_PROP_LIST_NSObject
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000000010000c408 l O __DATA,__objc_const __OBJC_$_PROTOCOL_REFS_UIApplicationDelegate
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000000010000c950 l O __DATA,__objc_const __OBJC_$_PROTOCOL_METHOD_TYPES_UIApplicationDelegate
000000010000cb00 l O __DATA,__objc_const __OBJC_CLASS_PROTOCOLS_$_AppDelegate
000000010000cb18 l O __DATA,__objc_const __OBJC_METACLASS_RO_$_AppDelegate
000000010000cb60 l O __DATA,__objc_const __OBJC_$_INSTANCE_METHODS_AppDelegate
000000010000cbb0 l O __DATA,__objc_const __OBJC_$_PROP_LIST_AppDelegate
000000010000cc08 l O __DATA,__objc_const __OBJC_CLASS_RO_$_AppDelegate
000000010000cc50 l O __DATA,__objc_const __OBJC_$_PROTOCOL_INSTANCE_METHODS_NSObject
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0000000000000000 d *UND* /Users/RyukieW/RyukieSamaProject/Study/逆向/Code/SymbolBind/SymbolBind/
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0000000100005f10 d *UND*
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0000000000000070 d *UND*
0000000000000070 d *UND*
0000000100005f80 d *UND*
0000000100005f80 d *UND* -[ViewController test]
000000000000002c d *UND*
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0000000100005fac d *UND*
0000000100005fac d *UND* _testGlobalFunction
000000000000001c d *UND*
000000000000001c d *UND*
000000010000c068 d *UND* __OBJC_METACLASS_RO_$_ViewController
000000010000c0b0 d *UND* __OBJC_$_INSTANCE_METHODS_ViewController
000000010000c0e8 d *UND* __OBJC_CLASS_RO_$_ViewController
0000000000000000 d *UND* _OBJC_CLASS_$_ViewController
0000000000000000 d *UND* _OBJC_METACLASS_$_ViewController
0000000000000000 d *UND*
0000000000000000 d *UND* /Users/RyukieW/RyukieSamaProject/Study/逆向/Code/SymbolBind/SymbolBind/
0000000000000000 d *UND* AppDelegate.m
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0000000100005fc8 d *UND*
0000000100005fc8 d *UND* -[AppDelegate application:didFinishLaunchingWithOptions:]
000000000000007c d *UND*
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0000000100006044 d *UND*
0000000100006044 d *UND* -[AppDelegate application:configurationForConnectingSceneSession:options:]
0000000000000100 d *UND*
0000000000000100 d *UND*
0000000100006144 d *UND*
0000000100006144 d *UND* -[AppDelegate application:didDiscardSceneSessions:]
0000000000000074 d *UND*
0000000000000074 d *UND*
0000000000000000 d *UND* __OBJC_LABEL_PROTOCOL_$_NSObject
0000000000000000 d *UND* __OBJC_LABEL_PROTOCOL_$_UIApplicationDelegate
000000010000c130 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_NSObject
000000010000c300 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_NSObject
000000010000c320 d *UND* __OBJC_$_PROP_LIST_NSObject
000000010000c368 d *UND* __OBJC_$_PROTOCOL_METHOD_TYPES_NSObject
000000010000c408 d *UND* __OBJC_$_PROTOCOL_REFS_UIApplicationDelegate
000000010000c420 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_UIApplicationDelegate
000000010000c938 d *UND* __OBJC_$_PROP_LIST_UIApplicationDelegate
000000010000c950 d *UND* __OBJC_$_PROTOCOL_METHOD_TYPES_UIApplicationDelegate
000000010000cb00 d *UND* __OBJC_CLASS_PROTOCOLS_$_AppDelegate
000000010000cb18 d *UND* __OBJC_METACLASS_RO_$_AppDelegate
000000010000cb60 d *UND* __OBJC_$_INSTANCE_METHODS_AppDelegate
000000010000cbb0 d *UND* __OBJC_$_PROP_LIST_AppDelegate
000000010000cc08 d *UND* __OBJC_CLASS_RO_$_AppDelegate
0000000000000000 d *UND* _OBJC_METACLASS_$_AppDelegate
0000000000000000 d *UND* _OBJC_CLASS_$_AppDelegate
0000000000000000 d *UND* __OBJC_PROTOCOL_$_NSObject
0000000000000000 d *UND* __OBJC_PROTOCOL_$_UIApplicationDelegate
0000000000000000 d *UND*
0000000000000000 d *UND* /Users/RyukieW/RyukieSamaProject/Study/逆向/Code/SymbolBind/SymbolBind/
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0000000100006388 d *UND*
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000000010000cf40 d *UND* __OBJC_$_PROTOCOL_INSTANCE_METHODS_OPT_UISceneDelegate
000000010000d068 d *UND* __OBJC_$_PROTOCOL_METHOD_TYPES_UISceneDelegate
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0000000000000000 *UND* _NSLog
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0000000000000000 *UND* _OBJC_CLASS_$_UISceneConfiguration
0000000000000000 *UND* _OBJC_CLASS_$_UIViewController
0000000000000000 *UND* _OBJC_METACLASS_$_NSObject
0000000000000000 *UND* _OBJC_METACLASS_$_UIResponder
0000000000000000 *UND* _OBJC_METACLASS_$_UIViewController
0000000000000000 *UND* _UIApplicationMain
0000000000000000 *UND* ___CFConstantStringClassReference
0000000000000000 *UND* __objc_empty_cache
0000000000000000 *UND* _objc_alloc
0000000000000000 *UND* _objc_autoreleasePoolPop
0000000000000000 *UND* _objc_autoreleasePoolPush
0000000000000000 *UND* _objc_autoreleaseReturnValue
0000000000000000 *UND* _objc_msgSend
0000000000000000 *UND* _objc_msgSendSuper2
0000000000000000 *UND* _objc_opt_class
0000000000000000 *UND* _objc_release
0000000000000000 *UND* _objc_retainAutoreleasedReturnValue
0000000000000000 *UND* _objc_storeStrong
0000000000000000 *UND* dyld_stub_binderl
本地符号
g
全局符号
虽然符号表中没有了符号，但是在MachO中的类的方法列表中还是有的！
在TEXT段__objc_classname中：
在TEXT段__objc_methname中：
将MachO文件放入目录中
执行脚本./restore-symbol MachO文件名 -o MachO输出文件名
=========== Start =============
2021-05-16 15:11:40.712 restore-symbol[97858:6671327] Unknown load command: 0x00000032
Scan OC method in mach-o-file.
Scan OC method finish.
=========== Finish ============在用MachOView查看符号表，发现在后面已经恢复了！
严谨的说是添加了符号
由于是基于Runtime的，动态派发的可以恢复。
对比发现文件大小也增大了
