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: releng/11.1/sys/sys/procfs.h 308009 2016-10-28 03:54:19Z jhb $
   27  */
   28 
   29 #ifndef _SYS_PROCFS_H_
   30 #define _SYS_PROCFS_H_
   31 
   32 #include <sys/param.h>
   33 #include <machine/reg.h>
   34 
   35 typedef struct reg gregset_t;
   36 typedef struct fpreg fpregset_t;
   37 
   38 /*
   39  * These structures define an interface between core files and the debugger.
   40  * Never change or delete any elements.  If you add elements, add them to
   41  * the end of the structure, and increment the value of its version field.
   42  * This will help to ensure that today's core dump will still be usable
   43  * with next year's debugger.
   44  *
   45  * A lot more things should be added to these structures.  At present,
   46  * they contain the absolute bare minimum required to allow GDB to work
   47  * with ELF core dumps.
   48  */
   49 
   50 /*
   51  * The parenthsized numbers like (1) indicate the minimum version number
   52  * for which each element exists in the structure.  The version number is
   53  * not bumped when adding new fields to the end, only if the meaning of
   54  * an existing field changes.  Additional fields are annotated as (1a),
   55  * (1b), etc. to indicate the groupings of additions.
   56  */
   57 
   58 #define PRSTATUS_VERSION        1       /* Current version of prstatus_t */
   59 
   60 typedef struct prstatus {
   61     int         pr_version;     /* Version number of struct (1) */
   62     size_t      pr_statussz;    /* sizeof(prstatus_t) (1) */
   63     size_t      pr_gregsetsz;   /* sizeof(gregset_t) (1) */
   64     size_t      pr_fpregsetsz;  /* sizeof(fpregset_t) (1) */
   65     int         pr_osreldate;   /* Kernel version (1) */
   66     int         pr_cursig;      /* Current signal (1) */
   67     pid_t       pr_pid;         /* LWP (Thread) ID (1) */
   68     gregset_t   pr_reg;         /* General purpose registers (1) */
   69 } prstatus_t;
   70 
   71 typedef gregset_t prgregset_t[1];
   72 typedef fpregset_t prfpregset_t;
   73 
   74 #define PRFNAMESZ       16      /* Maximum command length saved */
   75 #define PRARGSZ         80      /* Maximum argument bytes saved */
   76 
   77 #define PRPSINFO_VERSION        1       /* Current version of prpsinfo_t */
   78 
   79 typedef struct prpsinfo {
   80     int         pr_version;     /* Version number of struct (1) */
   81     size_t      pr_psinfosz;    /* sizeof(prpsinfo_t) (1) */
   82     char        pr_fname[PRFNAMESZ+1];  /* Command name, null terminated (1) */
   83     char        pr_psargs[PRARGSZ+1];   /* Arguments, null terminated (1) */
   84     pid_t       pr_pid;         /* Process ID (1a) */
   85 } prpsinfo_t;
   86 
   87 typedef struct thrmisc {
   88     char        pr_tname[MAXCOMLEN+1];  /* Thread name, null terminated (1) */
   89     u_int       _pad;                   /* Convenience pad, 0-filled (1) */
   90 } thrmisc_t;
   91 
   92 typedef uint64_t psaddr_t;      /* An address in the target process. */
   93 
   94 #ifdef __HAVE_REG32
   95 typedef struct prstatus32 {
   96         int32_t pr_version;
   97         uint32_t pr_statussz;
   98         uint32_t pr_gregsetsz;
   99         uint32_t pr_fpregsetsz;
  100         int32_t pr_osreldate;
  101         int32_t pr_cursig;
  102         int32_t pr_pid;
  103         struct reg32 pr_reg;
  104 } prstatus32_t;
  105 
  106 typedef struct prpsinfo32 {
  107         int32_t pr_version;
  108         uint32_t pr_psinfosz;
  109         char    pr_fname[PRFNAMESZ+1];
  110         char    pr_psargs[PRARGSZ+1];
  111         int32_t pr_pid;
  112 } prpsinfo32_t;
  113 
  114 struct thrmisc32 {
  115         char    pr_tname[MAXCOMLEN+1];
  116         uint32_t _pad;
  117 };
  118 #endif /* __HAVE_REG32 */
  119 
  120 #endif /* _SYS_PROCFS_H_ */

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