ref: 4e32a9fa6e58c1474f747a99083303c4a2f14ea7 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)); }