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/ddb/db_sym.h

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: src/sys/ddb/db_sym.h,v 1.10.4.1 1999/09/05 08:08:52 peter Exp $
   27  */
   28 
   29 #ifndef _DDB_DB_SYM_H_
   30 #define _DDB_DB_SYM_H_
   31 
   32 /*
   33  *      Author: Alessandro Forin, Carnegie Mellon University
   34  *      Date:   8/90
   35  */
   36 
   37 /*
   38  * This module can handle multiple symbol tables
   39  */
   40 typedef struct {
   41         char            *name;          /* symtab name */
   42         char            *start;         /* symtab location */
   43         char            *end;
   44         char            *private;       /* optional machdep pointer */
   45 } db_symtab_t;
   46 
   47 extern db_symtab_t      *db_last_symtab; /* where last symbol was found */
   48 
   49 /*
   50  * Symbol representation is specific to the symtab style:
   51  * BSD compilers use dbx' nlist, other compilers might use
   52  * a different one
   53  */
   54 typedef char *          db_sym_t;       /* opaque handle on symbols */
   55 #define DB_SYM_NULL     ((db_sym_t)0)
   56 
   57 /*
   58  * Non-stripped symbol tables will have duplicates, for instance
   59  * the same string could match a parameter name, a local var, a
   60  * global var, etc.
   61  * We are most concern with the following matches.
   62  */
   63 typedef int             db_strategy_t;  /* search strategy */
   64 
   65 #define DB_STGY_ANY     0                       /* anything goes */
   66 #define DB_STGY_XTRN    1                       /* only external symbols */
   67 #define DB_STGY_PROC    2                       /* only procedures */
   68 
   69 extern boolean_t        db_qualify_ambiguous_names;
   70                                         /* if TRUE, check across symbol tables
   71                                          * for multiple occurrences of a name.
   72                                          * Might slow down quite a bit */
   73 
   74 /*
   75  * Functions exported by the symtable module
   76  */
   77 void            db_add_symbol_table __P((char *, char *, char *, char *));
   78                                         /* extend the list of symbol tables */
   79 
   80 db_sym_t        db_search_symbol __P((db_addr_t, db_strategy_t, db_expr_t *));
   81                                         /* find symbol given value */
   82 
   83 void            db_symbol_values __P((db_sym_t, char **, db_expr_t *));
   84                                         /* return name and value of symbol */
   85 
   86 #define db_find_sym_and_offset(val,namep,offp)  \
   87         db_symbol_values(db_search_symbol(val,DB_STGY_ANY,offp),namep,0)
   88                                         /* find name&value given approx val */
   89 
   90 #define db_find_xtrn_sym_and_offset(val,namep,offp)     \
   91         db_symbol_values(db_search_symbol(val,DB_STGY_XTRN,offp),namep,0)
   92                                         /* ditto, but no locals */
   93 
   94 int             db_eqname __P((char *, char *, char));
   95                                         /* strcmp, modulo leading char */
   96 
   97 void            db_printsym __P((db_expr_t, db_strategy_t));
   98                                         /* print closest symbol to a value */
   99 
  100 int             db_sym_numargs __P((db_sym_t, int *, char **));
  101 
  102 boolean_t       X_db_line_at_pc __P((db_symtab_t *symtab, db_sym_t cursym,
  103                                      char **filename, int *linenum,
  104                                      db_expr_t off));
  105 db_sym_t        X_db_lookup __P((db_symtab_t *stab, char *symstr));
  106 db_sym_t        X_db_search_symbol __P((db_symtab_t *symtab, db_addr_t off,
  107                                         db_strategy_t strategy,
  108                                         db_expr_t *diffp));
  109 int             X_db_sym_numargs __P((db_symtab_t *, db_sym_t, int *,
  110                                       char **));
  111 void            X_db_symbol_values __P((db_sym_t sym, char **namep,
  112                                         db_expr_t *valuep));
  113 
  114 #endif /* !_DDB_DB_SYM_H_ */

Cache object: 6ff2038725d41a2013c0b1484c4bd53b


[ 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.