The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/sys/exec.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1992, 1993
    3  *      The Regents of the University of California.  All rights reserved.
    4  * (c) UNIX System Laboratories, Inc.
    5  * All or some portions of this file are derived from material licensed
    6  * to the University of California by American Telephone and Telegraph
    7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
    8  * the permission of UNIX System Laboratories, Inc.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 4. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)exec.h      8.3 (Berkeley) 1/21/94
   35  * $FreeBSD: releng/11.1/sys/sys/exec.h 299482 2016-05-11 21:14:36Z emaste $
   36  */
   37 
   38 #ifndef _SYS_EXEC_H_
   39 #define _SYS_EXEC_H_
   40 
   41 /*
   42  * Before ps_args existed, the following structure, found at the top of
   43  * the user stack of each user process, was used by ps(1) to locate
   44  * environment and argv strings.  Normally ps_argvstr points to the
   45  * argv vector, and ps_nargvstr is the same as the program's argc. The
   46  * fields ps_envstr and ps_nenvstr are the equivalent for the environment.
   47  *
   48  * Programs should now use setproctitle(3) to change ps output.
   49  * setproctitle() always informs the kernel with sysctl and sets the
   50  * pointers in ps_strings.  The kern.proc.args sysctl first tries p_args.
   51  * If p_args is NULL, it then falls back to reading ps_strings and following
   52  * the pointers.
   53  */
   54 struct ps_strings {
   55         char    **ps_argvstr;   /* first of 0 or more argument strings */
   56         unsigned int ps_nargvstr; /* the number of argument strings */
   57         char    **ps_envstr;    /* first of 0 or more environment strings */
   58         unsigned int ps_nenvstr; /* the number of environment strings */
   59 };
   60 
   61 struct image_params;
   62 
   63 struct execsw {
   64         int (*ex_imgact)(struct image_params *);
   65         const char *ex_name;
   66 };
   67 
   68 #include <machine/exec.h>
   69 
   70 #ifdef _KERNEL
   71 #include <sys/cdefs.h>
   72 
   73 /*
   74  * Address of ps_strings structure (in user space).
   75  * Prefer the kern.ps_strings or kern.proc.ps_strings sysctls to this constant.
   76  */
   77 #define PS_STRINGS      (USRSTACK - sizeof(struct ps_strings))
   78 #define SPARE_USRSPACE  4096
   79 
   80 int exec_map_first_page(struct image_params *);        
   81 void exec_unmap_first_page(struct image_params *);       
   82 
   83 int exec_register(const struct execsw *);
   84 int exec_unregister(const struct execsw *);
   85 
   86 extern int coredump_pack_fileinfo;
   87 extern int coredump_pack_vmmapinfo;
   88 
   89 /*
   90  * note: name##_mod cannot be const storage because the
   91  * linker_file_sysinit() function modifies _file in the
   92  * moduledata_t.
   93  */
   94 
   95 #include <sys/module.h>
   96 
   97 #define EXEC_SET(name, execsw_arg) \
   98         static int __CONCAT(name,_modevent)(module_t mod, int type, \
   99             void *data) \
  100         { \
  101                 struct execsw *exec = (struct execsw *)data; \
  102                 int error = 0; \
  103                 switch (type) { \
  104                 case MOD_LOAD: \
  105                         /* printf(#name " module loaded\n"); */ \
  106                         error = exec_register(exec); \
  107                         if (error) \
  108                                 printf(__XSTRING(name) "register failed\n"); \
  109                         break; \
  110                 case MOD_UNLOAD: \
  111                         /* printf(#name " module unloaded\n"); */ \
  112                         error = exec_unregister(exec); \
  113                         if (error) \
  114                                 printf(__XSTRING(name) " unregister failed\n");\
  115                         break; \
  116                 default: \
  117                         error = EOPNOTSUPP; \
  118                         break; \
  119                 } \
  120                 return error; \
  121         } \
  122         static moduledata_t __CONCAT(name,_mod) = { \
  123                 __XSTRING(name), \
  124                 __CONCAT(name,_modevent), \
  125                 (void *)& execsw_arg \
  126         }; \
  127         DECLARE_MODULE_TIED(name, __CONCAT(name,_mod), SI_SUB_EXEC, \
  128             SI_ORDER_ANY)
  129 #endif
  130 
  131 #endif

Cache object: f79f08d7324abb75a0fb0a4832d1e36e


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.