Refactor layout to go-style, update deps

vendor/golang.org/x/sys/unix/ptrace_ios.go

@@ -3,9 +3,16 @@
 // license that can be found in the LICENSE file.
 
 //go:build ios
+// +build ios
 
 package unix
 
+import "unsafe"
+
 func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 	return ENOTSUP
 }
+
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+	return ENOTSUP
+}