b0d837707d
The replacement started at r283088 was necessarily incomplete without replacing boolean_t with bool. This also involved cleaning some type mismatches and ansifying old C function declarations. Pointed out by: bde Discussed with: bde, ian, jhb
107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/*-
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* Mach Operating System
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* Copyright (c) 1991,1990 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*
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* $FreeBSD$
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*/
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#ifndef _DDB_DB_SYM_H_
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#define _DDB_DB_SYM_H_
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/*
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* Author: Alessandro Forin, Carnegie Mellon University
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* Date: 8/90
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*/
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/*
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* This module can handle multiple symbol tables
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*/
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typedef struct {
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char *name; /* symtab name */
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char *start; /* symtab location */
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char *end;
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char *private; /* optional machdep pointer */
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} db_symtab_t;
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/*
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* Symbol representation is specific to the symtab style:
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* BSD compilers use dbx' nlist, other compilers might use
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* a different one
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*/
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typedef char * db_sym_t; /* opaque handle on symbols */
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typedef const char * c_db_sym_t; /* const opaque handle on symbols */
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#define DB_SYM_NULL ((db_sym_t)0)
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#define C_DB_SYM_NULL ((c_db_sym_t)0)
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/*
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* Non-stripped symbol tables will have duplicates, for instance
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* the same string could match a parameter name, a local var, a
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* global var, etc.
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* We are most concern with the following matches.
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*/
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typedef int db_strategy_t; /* search strategy */
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#define DB_STGY_ANY 0 /* anything goes */
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#define DB_STGY_XTRN 1 /* only external symbols */
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#define DB_STGY_PROC 2 /* only procedures */
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/*
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* Functions exported by the symtable module
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*/
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void db_add_symbol_table(char *, char *, char *, char *);
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/* extend the list of symbol tables */
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c_db_sym_t db_search_symbol(db_addr_t, db_strategy_t, db_expr_t *);
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/* find symbol given value */
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void db_symbol_values(c_db_sym_t, const char **, db_expr_t *);
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/* return name and value of symbol */
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#define db_find_sym_and_offset(val,namep,offp) \
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db_symbol_values(db_search_symbol(val,DB_STGY_ANY,offp),namep,0)
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/* find name&value given approx val */
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#define db_find_xtrn_sym_and_offset(val,namep,offp) \
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db_symbol_values(db_search_symbol(val,DB_STGY_XTRN,offp),namep,0)
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/* ditto, but no locals */
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bool db_eqname(const char *, const char *, int);
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/* strcmp, modulo leading char */
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void db_printsym(db_expr_t, db_strategy_t);
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/* print closest symbol to a value */
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bool db_sym_numargs(c_db_sym_t, int *, char **);
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bool X_db_line_at_pc(db_symtab_t *symtab, c_db_sym_t cursym,
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char **filename, int *linenum, db_expr_t off);
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c_db_sym_t X_db_lookup(db_symtab_t *stab, const char *symstr);
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c_db_sym_t X_db_search_symbol(db_symtab_t *symtab, db_addr_t off,
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db_strategy_t strategy, db_expr_t *diffp);
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bool X_db_sym_numargs(db_symtab_t *, c_db_sym_t, int *, char **);
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void X_db_symbol_values(db_symtab_t *symtab, c_db_sym_t sym,
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const char **namep, db_expr_t *valuep);
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#endif /* !_DDB_DB_SYM_H_ */
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