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Call some helper routines to be supplied by kern_linker.c in order to

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get to all the symbol tables for all modules, not just the core kernel
symbol table.  Yes, DDB can see KLD module symbols with this, both by
lookup and in tracebacks.  No more references to _end from tracebacks
within an LKM. :-)
This commit is contained in:
Peter Wemm 1998-10-09 23:34:09 +00:00
parent 286896fe56
commit c6b72a39e9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=40151
1 changed files with 7 additions and 14 deletions
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21
sys/ddb/db_kld.c
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@ -23,7 +23,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: db_kld.c,v 1.1 1998/06/28 00:57:28 dfr Exp $
* $Id: db_kld.c,v 1.2 1998/07/05 10:11:20 dfr Exp $
* from db_aout.c,v 1.20 1998/06/07 17:09:36 dfr Exp
*/
@ -35,6 +35,8 @@
* Symbol table routines for a.out format files.
*/
#if defined(__ELF__) && !defined(__alpha__)
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/linker.h>
@ -44,10 +46,6 @@
#include <ddb/ddb.h>
#include <ddb/db_sym.h>
extern linker_file_t linker_kernel_file;
#define KF linker_kernel_file
db_sym_t
X_db_lookup(stab, symstr)
db_symtab_t *stab;
@ -55,10 +53,7 @@ X_db_lookup(stab, symstr)
{
linker_sym_t sym;
if (!KF)
return 0;
if (KF->ops->lookup_symbol(KF, symstr, &sym) == 0)
if (linker_ddb_lookup(symstr, &sym) == 0)
return (db_sym_t) sym;
else
return (db_sym_t) 0;
@ -75,10 +70,7 @@ X_db_search_symbol(symtab, off, strategy, diffp)
linker_sym_t sym;
long diff;
if (!KF)
return 0;
if (KF->ops->search_symbol(KF, (caddr_t) off, &sym, &diff) == 0) {
if (linker_ddb_search_symbol((caddr_t) off, &sym, &diff) == 0) {
*diffp = (db_expr_t) diff;
return (db_sym_t) sym;
}
@ -99,7 +91,7 @@ X_db_symbol_values(symtab, dbsym, namep, valuep)
linker_sym_t sym = (linker_sym_t) dbsym;
linker_symval_t symval;
KF->ops->symbol_values(KF, sym, &symval);
linker_ddb_symbol_values(sym, &symval);
if (namep)
*namep = (char*) symval.name;
if (valuep)
@ -136,3 +128,4 @@ kdb_init()
{
db_add_symbol_table(0, 0, "kernel", 0);
}
#endif