From 68c88cd461b697243d5a303997dad273dd4274ce Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Sun, 8 Dec 2013 15:26:12 +1030 Subject: [PATCH] Fix --as-needed undefined symbol references from dynamic libraries. libx.so refers to some_sym, liby.so provides some_sym@some_version wasn't seen as satisfying the reference. * elf64-ppc.c (_bfd_elf_add_default_symbol): Set dynamic_def and ref_dynamic_nonweak when chaining together indirect symbols. --- bfd/ChangeLog | 6 ++++++ bfd/elflink.c | 8 ++++++++ 2 files changed, 14 insertions(+) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 4a2bc28..a7bc1ef 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2013-12-08 Alan Modra + + * elf64-ppc.c (_bfd_elf_add_default_symbol): Set dynamic_def + and ref_dynamic_nonweak when chaining together indirect + symbols. + 2013-12-06 Tristan Gingold * pei-x86_64.c (pex64_xdata_print_uwd_codes): Add argument rf. diff --git a/bfd/elflink.c b/bfd/elflink.c index 1e6abd9..6fa62f9 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -1702,6 +1702,12 @@ _bfd_elf_add_default_symbol (bfd *abfd, ht = (struct elf_link_hash_entry *) hi->root.u.i.link; (*bed->elf_backend_copy_indirect_symbol) (info, ht, hi); + /* A reference to the SHORTNAME symbol from a dynamic library + will be satisfied by the versioned symbol at runtime. In + effect, we have a reference to the versioned symbol. */ + ht->ref_dynamic_nonweak |= hi->ref_dynamic_nonweak; + hi->dynamic_def |= ht->dynamic_def; + /* See if the new flags lead us to realize that the symbol must be dynamic. */ if (! *dynsym) @@ -1771,6 +1777,8 @@ nondefault: if (hi->root.type == bfd_link_hash_indirect) { (*bed->elf_backend_copy_indirect_symbol) (info, h, hi); + h->ref_dynamic_nonweak |= hi->ref_dynamic_nonweak; + hi->dynamic_def |= h->dynamic_def; /* See if the new flags lead us to realize that the symbol must be dynamic. */ -- 2.7.4