nintendoswitch: Add dynamic loader for runtime loading PIE sections

src/runtime/runtime_nintendoswitch.go

@@ -2,6 +2,8 @@
 
 package runtime
 
+import "unsafe"
+
 type timeUnit int64
 
 const asyncScheduler = false
@@ -60,6 +62,16 @@ func abort() {
 	}
 }
 
+//export write
+func write(fd int32, buf *byte, count int) int {
+	// TODO: Proper handling write
+	for i := 0; i < count; i++ {
+		putchar(*buf)
+		buf = (*byte)(unsafe.Pointer(uintptr(unsafe.Pointer(buf)) + 1))
+	}
+	return count
+}
+
 //export sleepThread
 func sleepThread(nanos uint64)