diff options
Diffstat (limited to 'lld/ELF/OutputSections.cpp')
| -rw-r--r-- | lld/ELF/OutputSections.cpp | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp index ade65979be2..ab7e337deb4 100644 --- a/lld/ELF/OutputSections.cpp +++ b/lld/ELF/OutputSections.cpp @@ -1168,15 +1168,26 @@ bool lld::elf2::shouldKeepInSymtab(const ObjectFile<ELFT> &File, if (Sym.getType() == STT_SECTION) return false; + InputSectionBase<ELFT> *Sec = File.getSection(Sym); // If sym references a section in a discarded group, don't keep it. - if (File.getSection(Sym) == &InputSection<ELFT>::Discarded) + if (Sec == &InputSection<ELFT>::Discarded) return false; if (Config->DiscardNone) return true; - // ELF defines dynamic locals as symbols which name starts with ".L". - return !(Config->DiscardLocals && SymName.startswith(".L")); + // In ELF assembly .L symbols are normally discarded by the assembler. + // If the assembler fails to do so, the linker discards them if + // * --discard-locals is used. + // * The symbol is in a SHF_MERGE section, which is normally the reason for + // the assembler keeping the .L symbol. + if (!SymName.startswith(".L")) + return true; + + if (Config->DiscardLocals) + return false; + + return !(Sec->getSectionHdr()->sh_flags & SHF_MERGE); } template <class ELFT> |
