1libc.so: __errno_location
2libc.so: calloc
3libc.so: free
4libc.so: malloc
5libc.so: realloc
6libm.so: matherr
7# The dynamic loader needs __tls_get_addr for TLS.
8ld.so: __tls_get_addr ?
9# The TLS-enabled version of these functions is interposed from libc.so.
10ld.so: _dl_signal_error
11ld.so: _dl_catch_error
12ld.so: _dl_signal_exception
13ld.so: _dl_catch_exception
14