[object][WebAssembly] Add support for RUNTIME_PATH to yaml2obj and obj2yaml (#126080)

This is the first step of adding RPATH support for wasm. 

See corresponding update to the WebAssembly/tool-conventions repo on dynamic
linking: https://github.com/WebAssembly/tool-conventions/pull/246

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/Object/WasmObjectFile.cpp b/llvm/lib/Object/WasmObjectFile.cpp
index 0f6fd56..98c4b9d 100644
--- a/llvm/lib/Object/WasmObjectFile.cpp
+++ b/llvm/lib/Object/WasmObjectFile.cpp
@@ -484,6 +484,13 @@ Error WasmObjectFile::parseDylink0Section(ReadContext &Ctx) {
       }
       break;
     }
+    case wasm::WASM_DYLINK_RUNTIME_PATH: {
+      Count = readVaruint32(Ctx);
+      while (Count--) {
+        DylinkInfo.RuntimePath.push_back(readString(Ctx));
+      }
+      break;
+    }
     default:
       LLVM_DEBUG(dbgs() << "unknown dylink.0 sub-section: " << Type << "\n");
       Ctx.Ptr += Size;