.text .global main main: push {lr} mov r0, sp /* This should work */ ldr r0, [sp] /* Unalign it */ add r0, #2 /* Try a non-word aligned word-load, this may work if SCTRL.A == 0 */ ldr r1, [r0] /* Load non-word aligned dword, should die even with SCTRL.A == 0 */ ldrd r2, r3, [r0] ldr r0, =msg bl puts mov r0, #0 /* test should check for non-zero exit code / signal */ pop {pc} msg: .ascii "ERROR - caused no sigbus\n"