1 files changed, 17 insertions, 1 deletions
diff --git a/src/wasm/wasm-emscripten.cpp b/src/wasm/wasm-emscripten.cpp
index 1d58699ec..c2cace488 100644
--- a/src/wasm/wasm-emscripten.cpp
+++ b/src/wasm/wasm-emscripten.cpp
@@ -1225,7 +1225,11 @@ std::string EmscriptenGlueGenerator::generateEmscriptenMetadata(
   meta << "\n  ],\n";
 
   auto mainReadsParams = false;
-  if (auto* exp = wasm.getExportOrNull("main")) {
+  auto* exp = wasm.getExportOrNull("main");
+  if (!exp) {
+    exp = wasm.getExportOrNull("__main_argc_argv");
+  }
+  if (exp) {
     if (exp->kind == ExternalKind::Function) {
       auto* main = wasm.getFunction(exp->value);
       mainReadsParams = true;
@@ -1268,6 +1272,18 @@ void EmscriptenGlueGenerator::separateDataSegments(Output* outfile,
   wasm.memory.segments.clear();
 }
 
+void EmscriptenGlueGenerator::renameMainArgcArgv() {
+  // If an export call ed __main_argc_argv exists rename it to main
+  Export* ex = wasm.getExportOrNull("__main_argc_argv");
+  if (!ex) {
+    BYN_TRACE("renameMain: __main_argc_argv not found\n");
+    return;
+  }
+  ex->name = "main";
+  wasm.updateMaps();
+  ModuleUtils::renameFunction(wasm, "__main_argc_argv", "main");
+}
+
 void EmscriptenGlueGenerator::exportWasiStart() {
   // If main exists, export a function to call it per the wasi standard.
   Name main = "main";