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.global __syscall
.hidden __syscall
.type __syscall,@function
__syscall:
mr 0, 3 # Save the system call number
mr 3, 4 # Shift the arguments: arg1
mr 4, 5 # arg2
mr 5, 6 # arg3
mr 6, 7 # arg4
mr 7, 8 # arg5
mr 8, 9 # arg6
sc
bnslr+ # return if not summary overflow
neg 3, 3 # otherwise error: return negated value.
blr
.end __syscall
.size __syscall, .-__syscall
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