ref: f0ea8a3f6019b4fe7d37f33b0a5a3a88fd1fcdc7 dir: /sys/src/cmd/unix/drawterm/posix-amd64/getcallerpc.c/
#include "u.h" #include "libc.h" uintptr getcallerpc(void *a) { return ((uintptr*)a)[-1]; }