usr/src/old/dbx/cerror.sun.s

/*
 * Copyright (c) 1983 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)cerror.sun.s        5.3 (Berkeley) %G%
 */

/*
 * modified version of cerror
 *
 * The idea is that every time an error occurs in a system call
 * I want a special function "syserr" called.  This function will
 * either print a message and exit or do nothing depending on
 * defaults and use of "onsyserr".
 */

.data
.globl  _errno
_errno:
        .long   0
.text

.globl  cerror
cerror:
        movl    d0,_errno
        jbsr    _syserr         /* new code */
        moveq   #-1,d0
        rts

.globl  __mycerror              /* clumsy way to get this loaded */

__mycerror:
        rts