return Target;
}
+// Create a regular InputSection class that has the same contents
+// as a given section.
+InputSectionBase *toRegularSection(MergeInputSection *Sec) {
+ auto *Ret = make<InputSection>(Sec->Flags, Sec->Type, Sec->Alignment,
+ Sec->Data, Sec->Name);
+ Ret->File = Sec->File;
+ return Ret;
+}
+
template <class ELFT>
InputSectionBase *
elf::ObjectFile<ELFT>::createInputSection(const Elf_Shdr &Sec,
if (Target->FirstRelocation)
fatal(toString(this) +
": multiple relocation sections to one section are not supported");
- if (isa<MergeInputSection>(Target)) {
- this->Sections[Sec.sh_info] =
- make<InputSection>(Target->Flags, Target->Type, Target->Alignment,
- Target->Data, Target->Name);
- this->Sections[Sec.sh_info]->File = Target->File;
- Target = this->Sections[Sec.sh_info];
+
+ // Mergeable sections with relocations are tricky because relocations
+ // need to be taken into account when comparing section contents for
+ // merging. The MergeInputSection class currently doesn't care about
+ // relocations, and it's unlikely to support it in future because such
+ // sections are rare. We simply handle such sections as non-mergeable.
+ if (auto *MS = dyn_cast<MergeInputSection>(Target)) {
+ Target = toRegularSection(MS);
+ this->Sections[Sec.sh_info] = Target;
}
size_t NumRelocations;