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/10.2/sys/sys/procfs.h 283911 2015-06-02 14:55:55Z 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.
   53  */
   54 
   55 #define PRSTATUS_VERSION        1       /* Current version of prstatus_t */
   56 
   57 typedef struct prstatus {
   58     int         pr_version;     /* Version number of struct (1) */
   59     size_t      pr_statussz;    /* sizeof(prstatus_t) (1) */
   60     size_t      pr_gregsetsz;   /* sizeof(gregset_t) (1) */
   61     size_t      pr_fpregsetsz;  /* sizeof(fpregset_t) (1) */
   62     int         pr_osreldate;   /* Kernel version (1) */
   63     int         pr_cursig;      /* Current signal (1) */
   64     pid_t       pr_pid;         /* Process ID (1) */
   65     gregset_t   pr_reg;         /* General purpose registers (1) */
   66 } prstatus_t;
   67 
   68 typedef gregset_t prgregset_t[1];
   69 typedef fpregset_t prfpregset_t;
   70 
   71 #define PRFNAMESZ       16      /* Maximum command length saved */
   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[PRFNAMESZ+1];  /* Command name, null terminated (1) */
   80     char        pr_psargs[PRARGSZ+1];   /* Arguments, null terminated (1) */
   81 } prpsinfo_t;
   82 
   83 typedef struct thrmisc {
   84     char        pr_tname[MAXCOMLEN+1];  /* Thread name, null terminated (1) */
   85     u_int       _pad;                   /* Convenience pad, 0-filled (1) */
   86 } thrmisc_t;
   87 
   88 typedef uint64_t psaddr_t;      /* An address in the target process. */
   89 
   90 #ifdef __HAVE_REG32
   91 typedef struct prstatus32 {
   92         int32_t pr_version;
   93         uint32_t pr_statussz;
   94         uint32_t pr_gregsetsz;
   95         uint32_t pr_fpregsetsz;
   96         int32_t pr_osreldate;
   97         int32_t pr_cursig;
   98         int32_t pr_pid;
   99         struct reg32 pr_reg;
  100 } prstatus32_t;
  101 
  102 typedef struct prpsinfo32 {
  103         int32_t pr_version;
  104         uint32_t pr_psinfosz;
  105         char    pr_fname[PRFNAMESZ+1];
  106         char    pr_psargs[PRARGSZ+1];
  107 } prpsinfo32_t;
  108 
  109 struct thrmisc32 {
  110         char    pr_tname[MAXCOMLEN+1];
  111         uint32_t _pad;
  112 };
  113 #endif /* __HAVE_REG32 */
  114 
  115 #endif /* _SYS_PROCFS_H_ */

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