mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
133 lines
2.8 KiB
C
133 lines
2.8 KiB
C
/*
|
|
* Mach Operating System
|
|
* Copyright (c) 1991,1990 Carnegie Mellon University
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and its
|
|
* documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
|
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*
|
|
* $FreeBSD$
|
|
* from db_aout.c,v 1.20 1998/06/07 17:09:36 dfr Exp
|
|
*/
|
|
|
|
/*
|
|
* Author: David B. Golub, Carnegie Mellon University
|
|
* Date: 7/90
|
|
*/
|
|
/*
|
|
* Symbol table routines for kld maintained kernels.
|
|
*/
|
|
|
|
#include "opt_ddb.h"
|
|
|
|
#ifndef DDB_NOKLDSYM
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/linker.h>
|
|
|
|
#include <ddb/ddb.h>
|
|
#include <ddb/db_sym.h>
|
|
|
|
c_db_sym_t
|
|
X_db_lookup(stab, symstr)
|
|
db_symtab_t *stab;
|
|
const char * symstr;
|
|
{
|
|
c_linker_sym_t sym;
|
|
|
|
if (linker_ddb_lookup(symstr, &sym) == 0)
|
|
return (c_db_sym_t) sym;
|
|
else
|
|
return (c_db_sym_t) 0;
|
|
}
|
|
|
|
c_db_sym_t
|
|
X_db_search_symbol(symtab, off, strategy, diffp)
|
|
db_symtab_t * symtab;
|
|
register
|
|
db_addr_t off;
|
|
db_strategy_t strategy;
|
|
db_expr_t *diffp; /* in/out */
|
|
{
|
|
c_linker_sym_t sym;
|
|
long diff;
|
|
|
|
if (linker_ddb_search_symbol((caddr_t) off, &sym, &diff) == 0) {
|
|
*diffp = (db_expr_t) diff;
|
|
return (c_db_sym_t) sym;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Return the name and value for a symbol.
|
|
*/
|
|
void
|
|
X_db_symbol_values(symtab, dbsym, namep, valuep)
|
|
db_symtab_t *symtab;
|
|
c_db_sym_t dbsym;
|
|
const char **namep;
|
|
db_expr_t *valuep;
|
|
{
|
|
c_linker_sym_t sym = (c_linker_sym_t) dbsym;
|
|
linker_symval_t symval;
|
|
|
|
linker_ddb_symbol_values(sym, &symval);
|
|
if (namep)
|
|
*namep = (const char*) symval.name;
|
|
if (valuep)
|
|
*valuep = (db_expr_t) symval.value;
|
|
}
|
|
|
|
|
|
boolean_t
|
|
X_db_line_at_pc(symtab, cursym, filename, linenum, off)
|
|
db_symtab_t * symtab;
|
|
c_db_sym_t cursym;
|
|
char **filename;
|
|
int *linenum;
|
|
db_expr_t off;
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
boolean_t
|
|
X_db_sym_numargs(symtab, cursym, nargp, argnamep)
|
|
db_symtab_t * symtab;
|
|
c_db_sym_t cursym;
|
|
int *nargp;
|
|
char **argnamep;
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Initialization routine for a.out files.
|
|
*/
|
|
void
|
|
kdb_init()
|
|
{
|
|
db_add_symbol_table(0, 0, "kernel", 0);
|
|
}
|
|
|
|
#endif /* !DDB_NOKLDSYM */
|