diff options
Diffstat (limited to 'bfd/elfxx-x86.c')
| -rw-r--r-- | bfd/elfxx-x86.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/bfd/elfxx-x86.c b/bfd/elfxx-x86.c index 4384430..dd139ca 100644 --- a/bfd/elfxx-x86.c +++ b/bfd/elfxx-x86.c @@ -1668,6 +1668,27 @@ _bfd_x86_elf_adjust_dynamic_symbol (struct bfd_link_info *info, return _bfd_elf_adjust_dynamic_copy (info, h, s); } +void +_bfd_x86_elf_hide_symbol (struct bfd_link_info *info, + struct elf_link_hash_entry *h, + bfd_boolean force_local) +{ + if (h->root.type == bfd_link_hash_undefweak + && info->nointerp + && bfd_link_pie (info)) + { + /* When there is no dynamic interpreter in PIE, make the undefined + weak symbol dynamic so that PC relative branch to the undefined + weak symbol will land to address 0. */ + struct elf_x86_link_hash_entry *eh = elf_x86_hash_entry (h); + if (h->plt.refcount > eh->func_pointer_refcount + || eh->plt_got.refcount > 0) + return; + } + + _bfd_elf_link_hash_hide_symbol (info, h, force_local); +} + /* Return TRUE if a symbol is referenced locally. It is similar to SYMBOL_REFERENCES_LOCAL, but it also checks version script. It works in check_relocs. */ |