# 2.11BSD#431 - /usr/src/lib/libc/pdp/sys/execle.s

##### Functions

    _execle           X

       1: /*
       2:  * Copyright (c) 1987 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:
       7: #ifdef SYSLIBC_SCCS
       8: _sccsid: <@(#)execle.s	2.6 (2.11BSD GTE) 1995/05/08\0>
       9:         .even
      10: #endif SYSLIBC_SCCS
      11:
      12: /*
      13:  * XXX - this routine can't use SYSCALL!!!
      14:  */
      15: #include "SYS.h"
      16:
      17: ENTRY(execle)
      18:         tst     -(sp)           / leave space for environment pointer
      19:         mov     sp,r0           / calculate address of first argv element
      20:         add     $6.,r0
      21:         mov     r0,-(sp)        / (pass it)
      22: 1:
      23:         tst     (r0)+           / found the end of the argv list yet?
      24:         bne     1b              / nope - keep looping
      25:         mov     (r0),2(sp)      / yeah, pass the user environment pointer
      26:         mov     6(sp),-(sp)     / pass the name
      27:         tst     -(sp)           / simulate return address stack spacing
      28:         SYS(execve)             /   and go for it ...
          /
          /   trap 59 -> [kernel] -> syscall() -> via sysent[] -> handler: execve
          /
      29:         add     $8.,sp          / if we get back it's an error
      30:         jmp     x_error

#### Defined functions

_execle defined in line 17; used 4 times

- in /usr/src/libexec/getty/main.c line 233
- in /usr/src/sbin/shutdown/shutdown.c line 257-259(2)
- in /usr/src/usr.sbin/cron/do_command.c line 200

_sccsid defined in line 8; never used

Last modified: 1995-05-09 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 461 |