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Assemble, Link, and Run AArch64 files on x86-64 with QEMU on Arch Linux

Upgrade the system:

sudo pacman -Syu

Install AArch64 Toolchain and QEMU User Mode:

sudo pacman -S aarch64-linux-gnu-binutils qemu-user 

Create an Assembly Source File:

nano test.s

Paste the following code into test.s, then save with Ctrl+S and exit with Ctrl+X::

.global _start

_start:
    mov x0, #5
    mov x8, #93
    svc #0

Assemble the File:

aarch64-linux-gnu-as test.s -o test.o

Link the Object file:

aarch64-linux-gnu-ld test.o -o test

Finally, run the Binary with QEMU:

qemu-aarch64 ./test ; echo $?

You should see 5 printed to the terminal — this is the exit code set by the mov x0, #5 instruction.