ref: 34f2230c4a505f3b94bc33ed07f0839fe66a0e93
dir: /lib/std/backtrace+x64.myr/
use "types" pkg std = const backtrace : (pc : void#[:] -> std.size) ;; type stackrec = struct next : stackrec# pc : void# ;; extern const getbp : (-> stackrec#) const backtrace = {pc var bp, i, len i = 0 len = pc.len bp = getbp() while bp != (0 : stackrec#) && i < len pc[i++] = bp.pc bp = bp.next ;; -> i }