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The Objective-C runtime and the shared cache has changed slightly. Given a class_ro_t, the baseMethods ivar is now a pointer union and may either be a method_list_t pointer or a pointer to a relative list of lists. The entries of this relative list of lists are indexes that refer to a specific image in the shared cache in addition to a pointer offset to find the accompanying method_list_t. We have to go over each of these entries, parse it, and then if the relevant image is loaded in the process, we add those methods to the relevant clang Decl. In order to determine if an image is loaded, the Objective-C runtime exposes a symbol that lets us determine if a particular image is loaded. We maintain a data structure SharedCacheImageHeaders to keep track of that information. There is a known issue where if an image is loaded after we create a Decl for a class, the Decl will not have the relevant methods from that image (i.e. for Categories). rdar://107957209 Differential Revision: https://reviews.llvm.org/D153597 |
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| lit.cfg.py | ||
| lit.site.cfg.py.in | ||