ref: b64a7e5eaa4815f7ab35d6545a3fbc080e2c7519 dir: /sys/src/cmd/unix/drawterm/posix-amd64/getcallerpc.c/
#include "u.h" #include "libc.h" uintptr getcallerpc(void *a) { return ((uintptr*)a)[-1]; }