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| 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 | bda987c255396672f917107bb819a99d204c7d89 (patch) | |
| tree | 21694237972b117f1670c1b63ef032ba0d5f07e1 | |
| parent | cfd8ab242a3fcae371bdd4cd83c9a59b36fcfd51 (diff) | |
| download | gdb-bda987c255396672f917107bb819a99d204c7d89.zip gdb-bda987c255396672f917107bb819a99d204c7d89.tar.gz gdb-bda987c255396672f917107bb819a99d204c7d89.tar.bz2 | |
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 b5967c9..3616c0f 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 69a7c69..488f98a 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 |