Remove some duplicate FreeBSD CVS IDs, move some IDs to better places.
[dragonfly.git] / sys / ddb / db_kld.c
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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_kld.c,v 1.9 2000/01/11 13:25:12 peter Exp $
ad0290bd 27 * $DragonFly: src/sys/ddb/db_kld.c,v 1.3 2003/07/26 14:18:51 rob Exp $
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28 * from db_aout.c,v 1.20 1998/06/07 17:09:36 dfr Exp
29 */
30
31/*
32 * Author: David B. Golub, Carnegie Mellon University
33 * Date: 7/90
34 */
35/*
36 * Symbol table routines for kld maintained kernels.
37 */
38
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/linker.h>
42
43#include <ddb/ddb.h>
44#include <ddb/db_sym.h>
45
46c_db_sym_t
47X_db_lookup(stab, symstr)
48 db_symtab_t *stab;
49 const char * symstr;
50{
51 c_linker_sym_t sym;
52
53 if (linker_ddb_lookup(symstr, &sym) == 0)
54 return (c_db_sym_t) sym;
55 else
56 return (c_db_sym_t) 0;
57}
58
59c_db_sym_t
60X_db_search_symbol(symtab, off, strategy, diffp)
61 db_symtab_t * symtab;
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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 */
80void
81X_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
98boolean_t
99X_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
109boolean_t
110X_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 */
122void
123kdb_init()
124{
125 db_add_symbol_table(0, 0, "kernel", 0);
126}