diff options
| author | Chris Demetriou <cgd@google.com> | 2008-07-22 04:58:33 +0000 |
|---|---|---|
| committer | Chris Demetriou <cgd@google.com> | 2008-07-22 04:58:33 +0000 |
| commit | 83448281dd954af6ad9b5ca1d451026e73b2ed26 (patch) | |
| tree | fcc920884e83bcd3ab27d70d715fcc17c4fd6eda | |
| parent | 4fbe588018addd37fbf6273117c94de5f6050ba7 (diff) | |
| download | gdb-83448281dd954af6ad9b5ca1d451026e73b2ed26.tar.gz | |
2008-07-22 Simon Baldwin <simonb@google.com>
* elflink.c (elf_link_output_extsym): Set st_size to zero for
symbols from dynamic libraries.
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elflink.c | 9 |
2 files changed, 14 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index b5967c95e5d..3616c0f5c18 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -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 diff --git a/bfd/elflink.c b/bfd/elflink.c index 69a7c6945ce..488f98afdb7 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -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 |