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* fix inconsistent visibility for internal __tls_get_new functionRich Felker2015-04-141-3/+2
| | | | | | at the point of call it was declared hidden, but the definition was not hidden. for some toolchains this inconsistency produced textrels without ld-time binding.
* separate __tls_get_addr implementation from dynamic linker/init_tlsRich Felker2014-06-191-0/+17
such separation serves multiple purposes: - by having the common path for __tls_get_addr alone in its own function with a tail call to the slow case, code generation is greatly improved. - by having __tls_get_addr in it own file, it can be replaced on a per-arch basis as needed, for optimization or ABI-specific purposes. - by removing __tls_get_addr from __init_tls.c, a few bytes of code are shaved off of static binaries (which are unlikely to use this function unless the linker messed up).