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-rw-r--r--llvm/tools/obj2yaml/elf2yaml.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/tools/obj2yaml/elf2yaml.cpp b/llvm/tools/obj2yaml/elf2yaml.cpp
index 13469804b98..15c38c630b9 100644
--- a/llvm/tools/obj2yaml/elf2yaml.cpp
+++ b/llvm/tools/obj2yaml/elf2yaml.cpp
@@ -60,6 +60,8 @@ class ELFDumper {
ELFYAML::Relocation &R);
Expected<ELFYAML::AddrsigSection *> dumpAddrsigSection(const Elf_Shdr *Shdr);
+ Expected<ELFYAML::LinkerOptionsSection *>
+ dumpLinkerOptionsSection(const Elf_Shdr *Shdr);
Expected<ELFYAML::DynamicSection *> dumpDynamicSection(const Elf_Shdr *Shdr);
Expected<ELFYAML::RelocationSection *> dumpRelocSection(const Elf_Shdr *Shdr);
Expected<ELFYAML::RawContentSection *>
@@ -315,6 +317,14 @@ template <class ELFT> Expected<ELFYAML::Object *> ELFDumper<ELFT>::dump() {
Y->Chunks.emplace_back(*SecOrErr);
break;
}
+ case ELF::SHT_LLVM_LINKER_OPTIONS: {
+ Expected<ELFYAML::LinkerOptionsSection *> SecOrErr =
+ dumpLinkerOptionsSection(&Sec);
+ if (!SecOrErr)
+ return SecOrErr.takeError();
+ Y->Chunks.emplace_back(*SecOrErr);
+ break;
+ }
case ELF::SHT_NULL: {
// We only dump the SHT_NULL section at index 0 when it
// has at least one non-null field, because yaml2obj
@@ -589,6 +599,37 @@ ELFDumper<ELFT>::dumpAddrsigSection(const Elf_Shdr *Shdr) {
}
template <class ELFT>
+Expected<ELFYAML::LinkerOptionsSection *>
+ELFDumper<ELFT>::dumpLinkerOptionsSection(const Elf_Shdr *Shdr) {
+ auto S = std::make_unique<ELFYAML::LinkerOptionsSection>();
+ if (Error E = dumpCommonSection(Shdr, *S))
+ return std::move(E);
+
+ auto ContentOrErr = Obj.getSectionContents(Shdr);
+ if (!ContentOrErr)
+ return ContentOrErr.takeError();
+
+ ArrayRef<uint8_t> Content = *ContentOrErr;
+ if (Content.empty() || Content.back() != 0) {
+ S->Content = Content;
+ return S.release();
+ }
+
+ SmallVector<StringRef, 16> Strings;
+ toStringRef(Content.drop_back()).split(Strings, '\0');
+ if (Strings.size() % 2 != 0) {
+ S->Content = Content;
+ return S.release();
+ }
+
+ S->Options.emplace();
+ for (size_t I = 0, E = Strings.size(); I != E; I += 2)
+ S->Options->push_back({Strings[I], Strings[I + 1]});
+
+ return S.release();
+}
+
+template <class ELFT>
Expected<ELFYAML::DynamicSection *>
ELFDumper<ELFT>::dumpDynamicSection(const Elf_Shdr *Shdr) {
auto S = std::make_unique<ELFYAML::DynamicSection>();
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