Only provide sym_size and sym_symsize if symbols are actually going

to be loaded.
This also avoids the annoying 'Unable to find symbol table slot
for xxx' kernel message when module is unloaded.
This commit is contained in:
jdolecek 2002-04-03 19:03:09 +00:00
parent 7739f7410a
commit 83e7b8936b
1 changed files with 13 additions and 10 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: elf.c,v 1.8 2002/01/03 21:45:58 jdolecek Exp $ */
/* $NetBSD: elf.c,v 1.9 2002/04/03 19:03:09 jdolecek Exp $ */
/*
* Copyright (c) 1998 Johan Danielsson <joda@pdc.kth.se>
@ -29,7 +29,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: elf.c,v 1.8 2002/01/03 21:45:58 jdolecek Exp $");
__RCSID("$NetBSD: elf.c,v 1.9 2002/04/03 19:03:09 jdolecek Exp $");
#include <sys/param.h>
@ -253,7 +253,8 @@ elf_mod_sizes(fd, modsize, strtablen, resrvp, sp)
ssize_t off = 0;
size_t data_hole = 0;
char *shstrtab, *strtab;
struct elf_section *head, *s, *symtab;
struct elf_section *head, *s;
extern int symtab;
if (read_elf_header(fd, &ehdr) < 0)
return -1;
@ -295,14 +296,16 @@ elf_mod_sizes(fd, modsize, strtablen, resrvp, sp)
free(strtab);
/* get symbol table sections */
get_symtab(&head);
symtab = head;
resrvp->sym_symsize = 0;
while (symtab) {
resrvp->sym_symsize += symtab->size;
symtab = symtab->next;
}
if (symtab) {
struct elf_section *st;
get_symtab(&head);
for(st = head; st; st = st->next)
resrvp->sym_symsize += st->size;
resrvp->sym_size = resrvp->sym_symsize + *strtablen;
} else
resrvp->sym_size = 0;
free_sections(head);
return (0);