ack/mach/ns/libsys/dup2.s

22 lines
232 B
ArmAsm
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1985-07-26 12:51:45 +00:00
.define _dup2
.extern _dup2
.text
_dup2:
enter[], 0
movd 8(fp),r7
ord 64,r7
movd 12(fp),tos
movd r7,tos
movd 41,tos
jsr @.mon
cmpqd 0,tos
beq I0011
movd tos,r7
movd r7,@_errno
movd -1,tos
I0011:
movd tos,r7
movd r7,r4
exit []
ret 0