ref: 8a88fb5b8c75450d2e20ae1c7839d823bb1f6fad 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)); }