| 1 | # |
| 2 | # Copyright (c) 1982 Regents of the University of California. |
| 3 | # All rights reserved. The Berkeley software License Agreement |
| 4 | # specifies the terms and conditions for redistribution. |
| 5 | # |
| 6 | # @(#)cerror.s 5.1 (Berkeley) 6/7/85 |
| 7 | # |
| 8 | # modified version of cerror |
| 9 | # |
| 10 | # The idea is that every time an error occurs in a system call |
| 11 | # I want a special function "syserr" called. This function will |
| 12 | # either print a message and exit or do nothing depending on |
| 13 | # defaults and use of "onsyserr". |
| 14 | # |
| 15 | |
| 16 | .globl cerror |
| 17 | .comm _errno,4 |
| 18 | |
| 19 | cerror: |
| 20 | movl r0,_errno |
| 21 | calls $0,_syserr # new code |
| 22 | mnegl $1,r0 |
| 23 | ret |
| 24 | |
| 25 | .globl __mycerror # clumsy way to get this loaded |
| 26 | |
| 27 | __mycerror: |
| 28 | .word 0 |
| 29 | ret |