sys/sys/imgact.h

/*-
 * Copyright (c) 1993, David Greenman
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      $Id: imgact.h,v 1.1 1993/12/12 12:31:40 davidg Exp $
 */

#ifndef __h_imgact
#define __h_imgact 1

#include "proc.h"
#include "namei.h"
#include "vnode.h"

struct execve_args {
        char    *fname;         /* file name */
        char    **argv;         /* pointer to table of argument pointers */
        char    **envv;         /* pointer to table of environment pointers */
};

struct image_params {
        struct proc *proc;      /* our process struct */
        struct execve_args *uap; /* syscall arguments */
        struct vnode *vnodep;   /* pointer to vnode of file to exec */
        struct vattr *attr;     /* attributes of file */
        const char *image_header; /* head of file to exec */
        char *stringbase;       /* base address of tmp string storage */
        char *stringp;          /* current 'end' pointer of tmp strings */
        int stringspace;        /* space left in tmp string storage area */
        int argc, envc;         /* count of argument and environment strings */
        unsigned long entry_addr; /* entry address of target executable */
        char vmspace_destroyed; /* flag - we've blown away original vm space */
        char interpreted;       /* flag - this executable is interpreted */
        char interpreter_name[64]; /* name of the interpreter */
};

struct execsw {
        int (*ex_imgact)(struct image_params *);
};

extern const struct execsw **execsw;

#endif /* __h_imgact */