.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 |