2013-10-27 22:24:23 +00:00
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.text
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2020-02-17 23:21:07 -08:00
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.global main
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.extern printf
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.extern scanf
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main:
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push {lr}
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ldr r0, =scanf_lit
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ldr r1, =num_a
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ldr r2, =num_b
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bl scanf // scanf("%d %d", &num_a, &num_b);
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ldr r0, =printf_lit
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ldr r1, =num_a
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ldr r1, [r1]
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ldr r2, =num_b
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ldr r2, [r2]
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add r1, r1, r2
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bl printf // printf("%d\n", num_a + num_b);
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pop {pc}
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2013-10-27 22:24:23 +00:00
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2020-02-17 23:21:07 -08:00
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.data
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scanf_lit: .asciz "%d %d"
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printf_lit: .asciz "%d\n"
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.align 4
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.bss
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num_a: .skip 4
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num_b: .skip 4
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