db_kld.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990 Carnegie Mellon University
    4  * All Rights Reserved.
    5  *
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  *
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  *
   16  * Carnegie Mellon requests users of this software to return to
   17  *
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  *
   23  * any improvements or extensions that they make and grant Carnegie the
   24  * rights to redistribute these changes.
   25  *
   26  * $FreeBSD$
   27  *      from db_aout.c,v 1.20 1998/06/07 17:09:36 dfr Exp
   28  */
   29 
   30 /*
   31  *      Author: David B. Golub, Carnegie Mellon University
   32  *      Date:   7/90
   33  */
   34 /*
   35  * Symbol table routines for kld maintained kernels.
   36  */
   37 
   38 #include <sys/param.h>
   39 #include <sys/systm.h>
   40 #include <sys/linker.h>
   41 
   42 #include <ddb/ddb.h>
   43 #include <ddb/db_sym.h>
   44 
   45 c_db_sym_t
   46 X_db_lookup(stab, symstr)
   47         db_symtab_t     *stab;
   48         const char *    symstr;
   49 {
   50         c_linker_sym_t sym;
   51 
   52         if (linker_ddb_lookup(symstr, &sym) == 0)
   53             return (c_db_sym_t) sym;
   54         else
   55             return (c_db_sym_t) 0;
   56 }
   57 
   58 c_db_sym_t
   59 X_db_search_symbol(symtab, off, strategy, diffp)
   60         db_symtab_t *   symtab;
   61         register
   62         db_addr_t       off;
   63         db_strategy_t   strategy;
   64         db_expr_t       *diffp;         /* in/out */
   65 {
   66         c_linker_sym_t sym;
   67         long diff;
   68 
   69         if (linker_ddb_search_symbol((caddr_t) off, &sym, &diff) == 0) {
   70                 *diffp = (db_expr_t) diff;
   71                 return (c_db_sym_t) sym;
   72         }
   73 
   74         return 0;
   75 }
   76 
   77 /*
   78  * Return the name and value for a symbol.
   79  */
   80 void
   81 X_db_symbol_values(symtab, dbsym, namep, valuep)
   82         db_symtab_t     *symtab;
   83         c_db_sym_t      dbsym;
   84         const char      **namep;
   85         db_expr_t       *valuep;
   86 {
   87         c_linker_sym_t sym = (c_linker_sym_t) dbsym;
   88         linker_symval_t symval;
   89 
   90         linker_ddb_symbol_values(sym, &symval);
   91         if (namep)
   92             *namep = (const char*) symval.name;
   93         if (valuep)
   94             *valuep = (db_expr_t) symval.value;
   95 }
   96 
   97 
   98 boolean_t
   99 X_db_line_at_pc(symtab, cursym, filename, linenum, off)
  100         db_symtab_t *   symtab;
  101         c_db_sym_t      cursym;
  102         char            **filename;
  103         int             *linenum;
  104         db_expr_t       off;
  105 {
  106         return FALSE;
  107 }
  108 
  109 boolean_t
  110 X_db_sym_numargs(symtab, cursym, nargp, argnamep)
  111         db_symtab_t *   symtab;
  112         c_db_sym_t      cursym;
  113         int             *nargp;
  114         char            **argnamep;
  115 {
  116         return FALSE;
  117 }
  118 
  119 /*
  120  * Initialization routine for a.out files.
  121  */
  122 void
  123 kdb_init()
  124 {
  125         db_add_symbol_table(0, 0, "kernel", 0);
  126 }

Cache object: 686ef255280017d1047386c64d8ca510

[ 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.

FreeBSD/Linux Kernel Cross Reference sys/ddb/db_kld.c

FreeBSD/Linux Kernel Cross Reference
sys/ddb/db_kld.c