exec.h revision 12251
11541Srgrimes/*- 21541Srgrimes * Copyright (c) 1992, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * (c) UNIX System Laboratories, Inc. 51541Srgrimes * All or some portions of this file are derived from material licensed 61541Srgrimes * to the University of California by American Telephone and Telegraph 71541Srgrimes * Co. or Unix System Laboratories, Inc. and are reproduced herein with 81541Srgrimes * the permission of UNIX System Laboratories, Inc. 91541Srgrimes * 101541Srgrimes * Redistribution and use in source and binary forms, with or without 111541Srgrimes * modification, are permitted provided that the following conditions 121541Srgrimes * are met: 131541Srgrimes * 1. Redistributions of source code must retain the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer. 151541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 161541Srgrimes * notice, this list of conditions and the following disclaimer in the 171541Srgrimes * documentation and/or other materials provided with the distribution. 181541Srgrimes * 3. All advertising materials mentioning features or use of this software 191541Srgrimes * must display the following acknowledgement: 201541Srgrimes * This product includes software developed by the University of 211541Srgrimes * California, Berkeley and its contributors. 221541Srgrimes * 4. Neither the name of the University nor the names of its contributors 231541Srgrimes * may be used to endorse or promote products derived from this software 241541Srgrimes * without specific prior written permission. 251541Srgrimes * 261541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 271541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 281541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 291541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 301541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 311541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 321541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 331541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 341541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 351541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 361541Srgrimes * SUCH DAMAGE. 371541Srgrimes * 381541Srgrimes * @(#)exec.h 8.3 (Berkeley) 1/21/94 3912251Sbde * $Id: exec.h,v 1.10 1995/03/16 18:16:15 bde Exp $ 401541Srgrimes */ 411541Srgrimes 422165Spaul#ifndef _SYS_EXEC_H_ 432165Spaul#define _SYS_EXEC_H_ 442165Spaul 451541Srgrimes/* 461541Srgrimes * The following structure is found at the top of the user stack of each 471541Srgrimes * user process. The ps program uses it to locate argv and environment 481541Srgrimes * strings. Programs that wish ps to display other information may modify 491541Srgrimes * it; normally ps_argvstr points to the text for argv[0], and ps_nargvstr 501541Srgrimes * is the same as the program's argc. The fields ps_envstr and ps_nenvstr 511541Srgrimes * are the equivalent for the environment. 521541Srgrimes */ 531541Srgrimesstruct ps_strings { 541541Srgrimes char *ps_argvstr; /* first of 0 or more argument strings */ 551541Srgrimes int ps_nargvstr; /* the number of argument strings */ 561541Srgrimes char *ps_envstr; /* first of 0 or more environment strings */ 571541Srgrimes int ps_nenvstr; /* the number of environment strings */ 581541Srgrimes}; 591541Srgrimes 601541Srgrimes/* 611541Srgrimes * Address of ps_strings structure (in user space). 621541Srgrimes */ 633471Ssos#define SPARE_USRSPACE 256 643471Ssos#define PS_STRINGS ((struct ps_strings *) \ 653471Ssos (USRSTACK - sizeof(struct ps_strings) - SPARE_USRSPACE)) 661541Srgrimes 6712251Sbdestruct image_params; 6812251Sbde 692124Sdgstruct execsw { 7012251Sbde int (*ex_imgact)(struct image_params *); 712124Sdg const char *ex_name; 722124Sdg}; 732124Sdg 742124Sdg#ifdef KERNEL 752124Sdgextern const struct execsw **execsw; 762124Sdg 772124Sdg#endif 782124Sdg 793058Sdg#include <machine/exec.h> 803058Sdg 812165Spaul#endif 82