[WebAssembly] Implement getRelocationValueString()
And use it in llvm-objdump.
Differential Revision: https://reviews.llvm.org/D46092
llvm-svn: 330957
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index 5bea3a7..f32ff06 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -917,9 +917,17 @@
const RelocationRef &RelRef,
SmallVectorImpl<char> &Result) {
const wasm::WasmRelocation& Rel = Obj->getWasmRelocation(RelRef);
+ symbol_iterator SI = RelRef.getSymbol();
std::string fmtbuf;
raw_string_ostream fmt(fmtbuf);
- fmt << Rel.Index << (Rel.Addend < 0 ? "" : "+") << Rel.Addend;
+ Expected<StringRef> SymNameOrErr = SI->getName();
+ if (!SymNameOrErr) {
+ fmt << Rel.Index;
+ } else {
+ StringRef SymName = *SymNameOrErr;
+ Result.append(SymName.begin(), SymName.end());
+ }
+ fmt << (Rel.Addend < 0 ? "" : "+") << Rel.Addend;
fmt.flush();
Result.append(fmtbuf.begin(), fmtbuf.end());
return std::error_code();