Linking against a framework or library not available in the public SDK.The only way to obtain the libraries running on your device is via extraction.Įxtracting the shared cache is useful in a few situations: Since iOS 8, the SDK no longer includes extracted frameworks. Copy the dyld_shared_cache to your machine.Mount the dmg and navigate to /System/Library/Caches//.Download or locate an ipsw for the target version and device.The easiest method for getting a dyld_shared_cache is as such: 3.2 Disassemblers capable of extraction.The cache is only vaguely documented in dyld man pages. Starting with macOS 11, update_dyld_shared_cache is deprecated and, as in iOS, the only copy of the libraries is in the 'cache'. Unlike iOS, macOS before 11 Big Sur used to ship with the source binaries still on-disk, particularly so it can be updated with update_dyld_shared_cache. OS X, along with any other *OS released by apple also uses a shared cache. The binaries you see in /Applications or /private/var/staged_system_apps are now just shims, so if you attempt to class-dump them it will error out as no ObjC section will be found. If you're looking for binaries or libraries inside of /System/Library/Frameworks or /System/Library/PrivateFrameworks (or other directories) and can't, this is why.Īs of iOS 13.5 application code is now in frameworks in the shared cache. The original files are redundant and thus eliminated from the system. If you’re the kind of user who likes to tweak things constantly, leave it visible, but think twice before leaving this visible on someone else’s computer.Since iPhone OS 3.1, all system (private and public) libraries have been combined into a big cache file to improve performance. The Library folder is no longer hidden, and will stay visible until you change this setting back. Make sure “Show Library Folder” is checked.Ĭlose the window, and the Library folder will be revealed. Next, click “View” in the menu bar followed by “Show View Options.”Īlternatively, you can press Command+J on your keyboard.

You can do this by clicking the name of your username in the sidebar, or by pressing Command+Shift+H on your keyboard. To do this, open Finder, and head to your Home folder. If you don’t want to open “Go To Folder” every time you want to access the Library, you can unhide the folder for good. As you can see, the icon for the Library folder is faded, which means the folder itself is still hidden. From here you can make whatever changes you wanted to make.

Mac library cache