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


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

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    1 /*-
    2  * Copyright (c) 1998 John D. Polstra.
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: src/sys/sys/procfs.h,v 1.2 1999/08/28 00:51:56 peter Exp $
   27  * $DragonFly: src/sys/sys/procfs.h,v 1.4 2006/11/07 20:48:15 dillon Exp $
   28  */
   29 
   30 #ifndef _SYS_PROCFS_H_
   31 #define _SYS_PROCFS_H_
   32 
   33 #include <sys/param.h>
   34 #include <sys/reg.h>
   35 
   36 typedef struct reg gregset_t;
   37 typedef struct fpreg fpregset_t;
   38 
   39 /*
   40  * These structures define an interface between core files and the debugger.
   41  * Never change or delete any elements.  If you add elements, add them to
   42  * the end of the structure, and increment the value of its version field.
   43  * This will help to ensure that today's core dump will still be usable
   44  * with next year's debugger.
   45  *
   46  * A lot more things should be added to these structures.  At present,
   47  * they contain the absolute bare minimum required to allow GDB to work
   48  * with ELF core dumps.
   49  */
   50 
   51 /*
   52  * The parenthsized numbers like (1) indicate the minimum version number
   53  * for which each element exists in the structure.
   54  */
   55 
   56 #define PRSTATUS_VERSION        1       /* Current version of prstatus_t */
   57 
   58 typedef struct prstatus {
   59     int         pr_version;     /* Version number of struct (1) */
   60     size_t      pr_statussz;    /* sizeof(prstatus_t) (1) */
   61     size_t      pr_gregsetsz;   /* sizeof(gregset_t) (1) */
   62     size_t      pr_fpregsetsz;  /* sizeof(fpregset_t) (1) */
   63     int         pr_osreldate;   /* Kernel version (1) */
   64     int         pr_cursig;      /* Current signal (1) */
   65     pid_t       pr_pid;         /* Process ID (1) */
   66     gregset_t   pr_reg;         /* General purpose registers (1) */
   67 } prstatus_t;
   68 
   69 typedef gregset_t prgregset_t[1];
   70 typedef fpregset_t prfpregset_t;
   71 
   72 #define PRARGSZ         80      /* Maximum argument bytes saved */
   73 
   74 #define PRPSINFO_VERSION        1       /* Current version of prpsinfo_t */
   75 
   76 typedef struct prpsinfo {
   77     int         pr_version;     /* Version number of struct (1) */
   78     size_t      pr_psinfosz;    /* sizeof(prpsinfo_t) (1) */
   79     char        pr_fname[MAXCOMLEN+1];  /* Command name, null terminated (1) */
   80     char        pr_psargs[PRARGSZ+1];   /* Arguments, null terminated (1) */
   81 } prpsinfo_t;
   82 
   83 typedef void *psaddr_t;         /* An address in the target process. */
   84 
   85 #endif /* _SYS_PROCFS_H_ */

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