Please try whether the attached elf file can be executed to print "Hello World" successfully on your target board.
1. On your host PC create test.c as the following.
#include <stdio.h>
void main()
{
printf("Hello World!");
}
2. Cross compile test.c.
aarch64-linux-gnu-gcc test.c -o test.out
3. Copy test.out to ls1046ardb target board.
root@TinyDistro ~]$ ./test.out
Hello World![root@TinyDistro ~]