diff options
Diffstat (limited to 'llvm/lib/MC/ELFObjectWriter.cpp')
| -rw-r--r-- | llvm/lib/MC/ELFObjectWriter.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp index 5a5692c..b44a36b 100644 --- a/llvm/lib/MC/ELFObjectWriter.cpp +++ b/llvm/lib/MC/ELFObjectWriter.cpp @@ -1024,9 +1024,13 @@ void ELFWriter::writeSection(const SectionIndexMapTy &SectionIndexMap, } if (Section.getFlags() & ELF::SHF_LINK_ORDER) { + // If the value in the associated metadata is not a definition, Sym will be + // undefined. Represent this with sh_link=0. const MCSymbol *Sym = Section.getLinkedToSymbol(); - const MCSectionELF *Sec = cast<MCSectionELF>(&Sym->getSection()); - sh_link = SectionIndexMap.lookup(Sec); + if (Sym && Sym->isInSection()) { + const MCSectionELF *Sec = cast<MCSectionELF>(&Sym->getSection()); + sh_link = SectionIndexMap.lookup(Sec); + } } WriteSecHdrEntry(StrTabBuilder.getOffset(Section.getName()), |