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| author | fincs <fincs.alt1@gmail.com> | 2016-12-16 13:42:02 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2016-12-16 13:49:03 +1030 |
| commit | 221855059a11ab76aa909a5df4104354f9384139 (patch) | |
| tree | e1bd030fe42b33167faff27c3df182cc6843054d /bfd | |
| parent | 4c4067e410581fe5c6190407b4fd410e7b71f9e4 (diff) | |
| download | gdb-221855059a11ab76aa909a5df4104354f9384139.zip gdb-221855059a11ab76aa909a5df4104354f9384139.tar.gz gdb-221855059a11ab76aa909a5df4104354f9384139.tar.bz2 | |
Implement and document --gc-keep-exported
include/
* bfdlink.h (struct bfd_link_info): Add gc_keep_exported.
bfd/
* elflink.c (bfd_elf_gc_mark_dynamic_ref_symbol): Add handling
for info->gc_keep_exported.
(bfd_elf_gc_sections): Likewise.
ld/
* ld.texinfo: Document --gc-keep-exported.
* ldlex.h (enum option_values): Add OPTION_GC_KEEP_EXPORTED.
* lexsup.c (parse_args): Add handling for --gc-keep-exported.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elflink.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 46cb383..8c09c2c 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2016-12-16 fincs <fincs.alt1@gmail.com> + + * elflink.c (bfd_elf_gc_mark_dynamic_ref_symbol): Add handling + for info->gc_keep_exported. + (bfd_elf_gc_sections): Likewise. + 2016-12-15 Alan Modra <amodra@gmail.com> PR ld/20968 diff --git a/bfd/elflink.c b/bfd/elflink.c index fe6662d..07b7901 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -13051,6 +13051,7 @@ bfd_elf_gc_mark_dynamic_ref_symbol (struct elf_link_hash_entry *h, void *inf) && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN && (!bfd_link_executable (info) + || info->gc_keep_exported || info->export_dynamic || (h->dynamic && d != NULL @@ -13170,7 +13171,7 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info) return FALSE; /* Mark dynamically referenced symbols. */ - if (htab->dynamic_sections_created) + if (htab->dynamic_sections_created || info->gc_keep_exported) elf_link_hash_traverse (htab, bed->gc_mark_dynamic_ref, info); /* Grovel through relocs to find out who stays ... */ |