ref: 411fc48b8ca8ebd2ea32d3a26b1be309c6b8ade3 dir: /sys/src/cmd/unix/drawterm/posix-amd64/getcallerpc.c/
#include "u.h" #include "libc.h" uintptr getcallerpc(void *a) { return ((uintptr*)a)[-1]; }