The kernel is one big monolithic namespace. All symbols in KEXTs must
be unique across the system as they are linked into that one
namespace. If a KEXT defines a symbol that already exists, the KEXT
will not load.
Are you really sure about this? I thought the relocations were done
by kextload in userspace, and the only namespaces that are shared
are those of your kext and what it depends on.
Drew, you are correct for more recent MacOS systems.
Garth's description refers to a previous implementation.
An alternative for symbols that are exported between objects in a
kext, but which should not be visible outside it, is 'private extern'.
= Mike
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