execv.s

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· S 代码 · 共 32 行

/*	@(#)execv.s	4.1	(ULTRIX)	7/3/90	*/
/* ------------------------------------------------------------------ */
/* | Copyright Unpublished, MIPS Computer Systems, Inc.  All Rights | */
/* | Reserved.  This software contains proprietary and confidential | */
/* | information of MIPS and its suppliers.  Use, disclosure or     | */
/* | reproduction is prohibited without the prior express written   | */
/* | consent of MIPS.                                               | */
/* ------------------------------------------------------------------ */
/* $Header: execv.s,v 1.1 87/02/16 11:19:55 dce Exp $ */

/*
 * Copyright 1985 by MIPS Computer Systems, Inc.
 */

#include <mips/regdef.h>
#include <mips/asm.h>
#include <syscall.h>

	.globl	__environ

FRMSIZE	=	20

NESTED(execv, FRMSIZE, zero)
	subu	sp,FRMSIZE
	sw	ra,FRMSIZE-4(sp)
	lw	a2,__environ
	jal	execve
	lw	ra,FRMSIZE-4(sp)
	addu	sp,FRMSIZE
	RET			# execv(file, argv)
.end execv