ref: 903bcd8dba9cb9dfc70707a28089c469e5302539 dir: /posix-port/getcallerpc.c/
#include "u.h" #include "libc.h" uintptr getcallerpc(void *a) { USED(a); return (uintptr)__builtin_extract_return_addr(__builtin_return_address(0)); }