libc.so: __errno_location libc.so: calloc libc.so: free libc.so: malloc libc.so: memalign libc.so: realloc libm.so: matherr libpthread.so: __errno_location # The dynamic loader needs __tls_get_addr for TLS, and uses __libc_memalign # internally to allocate aligned TLS storage. The other malloc family of # functions are expected to allow user symbol interposition. ld.so: __tls_get_addr ld.so: __libc_memalign ld.so: malloc ld.so: calloc ld.so: realloc ld.so: free