[src/trunk]: src/sys/kern When determining max/min sym value, ignore ABS symb...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/321e6a043ddb
branches:  trunk
changeset: 760372:321e6a043ddb
user:      matt <matt%NetBSD.org@localhost>
date:      Tue Jan 04 01:40:19 2011 +0000

description:
When determining max/min sym value, ignore ABS symbols which don't
have a type.  This stops ksym thinking that the _KERNEL_OPT symbols
could actually be useful.

diffstat:

 sys/kern/kern_ksyms.c |  17 ++++++++++-------
 1 files changed, 10 insertions(+), 7 deletions(-)

diffs (38 lines):

diff -r 543e9156473c -r 321e6a043ddb sys/kern/kern_ksyms.c
--- a/sys/kern/kern_ksyms.c     Tue Jan 04 01:37:55 2011 +0000
+++ b/sys/kern/kern_ksyms.c     Tue Jan 04 01:40:19 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_ksyms.c,v 1.61 2010/07/27 14:25:23 jakllsch Exp $ */
+/*     $NetBSD: kern_ksyms.c,v 1.62 2011/01/04 01:40:19 matt Exp $     */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -71,7 +71,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_ksyms.c,v 1.61 2010/07/27 14:25:23 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_ksyms.c,v 1.62 2011/01/04 01:40:19 matt Exp $");
 
 #if defined(_KERNEL) && defined(_KERNEL_OPT)
 #include "opt_ddb.h"
@@ -365,11 +365,14 @@
                nglob += (ELF_ST_BIND(nsym[n].st_info) == STB_GLOBAL);
 
                /* Compute min and max symbols. */
-               if (nsym[n].st_value < tab->sd_minsym) {
-                       tab->sd_minsym = nsym[n].st_value;
-               }
-               if (nsym[n].st_value > tab->sd_maxsym) {
-                       tab->sd_maxsym = nsym[n].st_value;
+               if (strcmp(str + sym[i].st_name, "*ABS*") != 0
+                   && ELF_ST_TYPE(nsym[n].st_info) != STT_NOTYPE) {
+                       if (nsym[n].st_value < tab->sd_minsym) {
+                               tab->sd_minsym = nsym[n].st_value;
+                       }
+                       if (nsym[n].st_value > tab->sd_maxsym) {
+                               tab->sd_maxsym = nsym[n].st_value;
+                       }
                }
                n++;
        }