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| author | H.J. Lu <hjl.tools@gmail.com> | 2011-09-16 01:17:16 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2011-09-16 01:17:16 +0000 |
| commit | 1a766c6843ce0005fee23633b3b30c98e81a7b07 (patch) | |
| tree | edbea425f1029e549fe635c8ce82f666dc6ef977 /bfd/elflink.c | |
| parent | fd91d41947667d30f47b06c45cc57d4b4fcefade (diff) | |
| download | gdb-1a766c6843ce0005fee23633b3b30c98e81a7b07.zip gdb-1a766c6843ce0005fee23633b3b30c98e81a7b07.tar.gz gdb-1a766c6843ce0005fee23633b3b30c98e81a7b07.tar.bz2 | |
Also hide symbols without PLT nor GOT references.
bfd/
2011-09-15 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13177
* elflink.c (elf_gc_sweep_symbol): Also hide symbols without PLT
nor GOT references.
ld/testsuite/
2011-09-15 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13177
* ld-elf/pr13177.d: New.
* ld-elf/pr13177.s: Likewise.
Diffstat (limited to 'bfd/elflink.c')
| -rw-r--r-- | bfd/elflink.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c index 2560104..9ccf37d 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -11689,13 +11689,18 @@ struct elf_gc_sweep_symbol_info static bfd_boolean elf_gc_sweep_symbol (struct elf_link_hash_entry *h, void *data) { - if ((h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - && !h->root.u.def.section->gc_mark - && !(h->root.u.def.section->owner->flags & DYNAMIC)) + if (((h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + && !h->root.u.def.section->gc_mark + && (!(h->root.u.def.section->owner->flags & DYNAMIC) + || (h->plt.refcount <= 0 + && h->got.refcount <= 0))) + || (h->root.type == bfd_link_hash_undefined + && h->plt.refcount <= 0 + && h->got.refcount <= 0)) { struct elf_gc_sweep_symbol_info *inf = - (struct elf_gc_sweep_symbol_info *) data; + (struct elf_gc_sweep_symbol_info *) data; (*inf->hide_symbol) (inf->info, h, TRUE); } |