Difference between revisions of "Dyld shared cache"

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(The dyld_shared_cache)
(The dyld_shared_cache)
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The binaries inside the dyld_shared_cache can be used to create C header files from by using [http://stevenygard.com/projects/class-dump/ classdump].
 
The binaries inside the dyld_shared_cache can be used to create C header files from by using [http://stevenygard.com/projects/class-dump/ classdump].
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With that header files using iOS Private API's is sometimes possible.
 
With that header files using iOS Private API's is sometimes possible.
   

Revision as of 11:51, 13 September 2017

The dyld_shared_cache

"Since iPhone OS 3.1, all system (private and public) libraries have been combined into a big cache file to improve performance. The original files are redundant and thus eliminated from the system. 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. OS X also uses a shared cache. Unlike iOS, OS X ships with the source binaries still on-disk, particularly so it can be updated with update_dyld_shared_cache. The cache is only vaguely documented in dyld man pages." - The iPhone Dev Wiki

The binaries inside the dyld_shared_cache can be used to create C header files from by using classdump.

With that header files using iOS Private API's is sometimes possible.

Location

In iOS 10, the dyld_shared_cache is located in /System/Library/Caches/com.apple.dyld/ The folder will contain caches for each CPU-Architecture. (eg: dyld_shared_cache_arm64).

Extracted dyld_shared_caches

iOS 10.3.1 ARM64