diff options
Diffstat (limited to 'bfd/elflink.c')
| -rw-r--r-- | bfd/elflink.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c index 284bff1..f9f804d 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -11331,6 +11331,8 @@ _bfd_elf_gc_mark_hook (asection *sec, struct elf_link_hash_entry *h, Elf_Internal_Sym *sym) { + const char *sec_name; + if (h != NULL) { switch (h->root.type) @@ -11342,6 +11344,33 @@ _bfd_elf_gc_mark_hook (asection *sec, case bfd_link_hash_common: return h->root.u.c.p->section; + case bfd_link_hash_undefined: + case bfd_link_hash_undefweak: + /* To work around a glibc bug, keep all XXX input sections + when there is an as yet undefined reference to __start_XXX + or __stop_XXX symbols. The linker will later define such + symbols for orphan input sections that have a name + representable as a C identifier. */ + if (strncmp (h->root.root.string, "__start_", 8) == 0) + sec_name = h->root.root.string + 8; + else if (strncmp (h->root.root.string, "__stop_", 7) == 0) + sec_name = h->root.root.string + 7; + else + sec_name = NULL; + + if (sec_name && *sec_name != '\0') + { + bfd *i; + + for (i = info->input_bfds; i; i = i->link_next) + { + sec = bfd_get_section_by_name (i, sec_name); + if (sec) + sec->flags |= SEC_KEEP; + } + } + break; + default: break; } |