[src/trunk]: src/sys/ddb PR/14498: Wesley Chen: Identify loaded modules vs. k...

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

details:   https://anonhg.NetBSD.org/src/rev/60977b666972
branches:  trunk
changeset: 517198:60977b666972
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Nov 08 15:01:35 2001 +0000

description:
PR/14498: Wesley Chen: Identify loaded modules vs. kernel, because we don't
load the elf header with them.

diffstat:

 sys/ddb/db_elf.c |  10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diffs (24 lines):

diff -r 9c73ddfe27e1 -r 60977b666972 sys/ddb/db_elf.c
--- a/sys/ddb/db_elf.c  Thu Nov 08 15:00:17 2001 +0000
+++ b/sys/ddb/db_elf.c  Thu Nov 08 15:01:35 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db_elf.c,v 1.16 2001/07/31 22:31:47 bjh21 Exp $        */
+/*     $NetBSD: db_elf.c,v 1.17 2001/11/08 15:01:35 christos Exp $     */
 
 /*-
  * Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -215,6 +215,14 @@
        Elf_Shdr *shp = STAB_TO_SHDR(stab, elf);
        int i;
 
+       /*
+        * We don't load ELF header for ELF modules.
+        * Find out if this is a loadable module. If so,
+        * string table comes right after symbol table.
+        */
+       if ((Elf_Sym *)elf == STAB_TO_SYMSTART(stab)) {
+               return ((char *)STAB_TO_SYMEND(stab));
+       }
        for (i = 0; i < elf->e_shnum; i++) {
                if (shp[i].sh_type == SHT_SYMTAB)
                        return ((char*)elf + shp[shp[i].sh_link].sh_offset);