2008-07-22 Simon Baldwin <simonb@google.com>

* elflink.c (elf_link_output_extsym): Set st_size to zero for
        symbols from dynamic libraries.
This commit is contained in:
Chris Demetriou 2008-07-22 04:58:33 +00:00
parent cfd8ab242a
commit bda987c255
2 changed files with 14 additions and 0 deletions

View file

@ -1,3 +1,8 @@
2008-07-22 Simon Baldwin <simonb@google.com>
* elflink.c (elf_link_output_extsym): Set st_size to zero for
symbols from dynamic libraries.
2008-07-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/4424

View file

@ -8619,6 +8619,15 @@ elf_link_output_extsym (struct elf_link_hash_entry *h, void *data)
sym.st_info = ELF_ST_INFO (bindtype, ELF_ST_TYPE (sym.st_info));
}
/* If this is a symbol defined in a dynamic library, don't use the
symbol size from the dynamic library. Relinking an executable
against a new library may introduce gratuitous changes in the
executable's symbols if we keep the size. */
if (sym.st_shndx == SHN_UNDEF
&& !h->def_regular
&& h->def_dynamic)
sym.st_size = 0;
/* If a non-weak symbol with non-default visibility is not defined
locally, it is a fatal error. */
if (! finfo->info->relocatable