diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2018-12-07 15:39:49 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-12-07 15:40:02 -0800 |
| commit | fbcc8bafeb413a111cd3caab39b3ab57d5b8ce93 (patch) | |
| tree | 4437adb9b4b852c95fdf3f3b1a841bf3d7ea6a96 /bfd | |
| parent | d9c859da9fff9de47a33f52d75a6fef2495b3fc1 (diff) | |
| download | gdb-fbcc8bafeb413a111cd3caab39b3ab57d5b8ce93.zip gdb-fbcc8bafeb413a111cd3caab39b3ab57d5b8ce93.tar.gz gdb-fbcc8bafeb413a111cd3caab39b3ab57d5b8ce93.tar.bz2 | |
Override the previous definition from IR object
Mark the previous definition from IR object as undefined so that the
generic linker will override it.
bfd/
PR ld/23958
* elflink.c (_bfd_elf_add_default_symbol): Override the previous
definition from IR object.
ld/
PR ld/23958
* testsuite/ld-plugin/lto.exp: Run PR ld/23958 test.
* testsuite/ld-plugin/pr23958.c: New file.
* testsuite/ld-plugin/pr23958.t: Likewise.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elflink.c | 9 |
2 files changed, 15 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 85277a1..aa8be34 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2018-12-07 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/23958 + * elflink.c (_bfd_elf_add_default_symbol): Override the previous + definition from IR object. + 2018-12-08 Stafford Horne <shorne@gmail.com> * elf32-or1k.c (or1k_grok_prstatus): New function. diff --git a/bfd/elflink.c b/bfd/elflink.c index 4eca389..8992a50 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -1941,6 +1941,15 @@ _bfd_elf_add_default_symbol (bfd *abfd, if (! bfd_link_relocatable (info)) { bh = &hi->root; + if (bh->type == bfd_link_hash_defined + && (bh->u.def.section->owner->flags & BFD_PLUGIN) != 0) + { + /* Mark the previous definition from IR object as + undefined so that the generic linker will override + it. */ + bh->type = bfd_link_hash_undefined; + bh->u.undef.abfd = bh->u.def.section->owner; + } if (! (_bfd_generic_link_add_one_symbol (info, abfd, shortname, BSF_INDIRECT, bfd_ind_section_ptr, |