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unix-v6/source/s4/cerror.s
T
2018-01-27 22:35:41 +09:00

13 lines
151 B
ArmAsm

/ C return sequence which
/ sets errno, returns -1.
.globl cerror
.comm _errno,2
cerror:
mov r0,_errno
mov $-1,r0
mov r5,sp
mov (sp)+,r5
rts pc