use inline atomics and thread pointer on arm models supporting them
[musl] / arch / arm /
drwxr-xr-x   ..
-rw-r--r-- 2535 atomic.h
drwxr-xr-x - bits
-rw-r--r-- 160 crt_arch.h
-rw-r--r-- 557 pthread_arch.h
-rw-r--r-- 1175 reloc.h
drwxr-xr-x - src
-rw-r--r-- 2189 syscall_arch.h