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[entry: main]
[enable: logical_registers]
// Exits with status 42 on AArch64 Linux. Logical registers map r1 -> x0 and
// r9 -> x8, so the exit code goes in x0 and the syscall number in x8; `syscall`
// lowers to `svc #0`.
const SYS_EXIT = 93
proc main
{
r1 = 42 // x0 = exit code
r9 = SYS_EXIT // x8 = syscall number
syscall
}
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