[WebAssembly] Parse llvm.ident into producers section
llvm-svn: 351413
diff --git a/llvm/tools/yaml2obj/yaml2wasm.cpp b/llvm/tools/yaml2obj/yaml2wasm.cpp
index 2d3e3b7..242bc6b 100644
--- a/llvm/tools/yaml2obj/yaml2wasm.cpp
+++ b/llvm/tools/yaml2obj/yaml2wasm.cpp
@@ -49,6 +49,7 @@
int writeSectionContent(raw_ostream &OS, WasmYAML::DylinkSection &Section);
int writeSectionContent(raw_ostream &OS, WasmYAML::NameSection &Section);
int writeSectionContent(raw_ostream &OS, WasmYAML::LinkingSection &Section);
+ int writeSectionContent(raw_ostream &OS, WasmYAML::ProducersSection &Section);
WasmYAML::Object &Obj;
uint32_t NumImportedFunctions = 0;
uint32_t NumImportedGlobals = 0;
@@ -256,6 +257,29 @@
}
int WasmWriter::writeSectionContent(raw_ostream &OS,
+ WasmYAML::ProducersSection &Section) {
+ writeStringRef(Section.Name, OS);
+ int Fields = int(!Section.Languages.empty()) + int(!Section.Tools.empty()) +
+ int(!Section.SDKs.empty());
+ if (Fields == 0)
+ return 0;
+ encodeULEB128(Fields, OS);
+ for (auto &Field : {std::make_pair(StringRef("language"), &Section.Languages),
+ std::make_pair(StringRef("processed-by"), &Section.Tools),
+ std::make_pair(StringRef("sdk"), &Section.SDKs)}) {
+ if (Field.second->empty())
+ continue;
+ writeStringRef(Field.first, OS);
+ encodeULEB128(Field.second->size(), OS);
+ for (auto &Entry : *Field.second) {
+ writeStringRef(Entry.Name, OS);
+ writeStringRef(Entry.Version, OS);
+ }
+ }
+ return 0;
+}
+
+int WasmWriter::writeSectionContent(raw_ostream &OS,
WasmYAML::CustomSection &Section) {
if (auto S = dyn_cast<WasmYAML::DylinkSection>(&Section)) {
if (auto Err = writeSectionContent(OS, *S))
@@ -266,6 +290,9 @@
} else if (auto S = dyn_cast<WasmYAML::LinkingSection>(&Section)) {
if (auto Err = writeSectionContent(OS, *S))
return Err;
+ } else if (auto S = dyn_cast<WasmYAML::ProducersSection>(&Section)) {
+ if (auto Err = writeSectionContent(OS, *S))
+ return Err;
} else {
writeStringRef(Section.Name, OS);
Section.Payload.writeAsBinary(OS);