callconstructors: call environ init function if present

leaningtech · Jan 10, 2024 · da47f30 · da47f30
1 parent 0caba68
commit da47f30
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/llvm/lib/CheerpUtils/CallConstructors.cpp b/llvm/lib/CheerpUtils/CallConstructors.cpp
@@ -43,8 +43,13 @@ PreservedAnalyses CallConstructorsPass::run(llvm::Module &M, llvm::ModuleAnalysi
 		Function* memoryInit = cast<Function>(M.getOrInsertFunction("__memory_init", Ty).getCallee());
 		memoryInit->setSection("asmjs");
 		Builder.CreateCall(Ty, memoryInit);
+
 	}
 
+	Function* GetEnviron = M.getFunction("__syscall_main_environ");
+	if (GetEnviron)
+		Builder.CreateCall(GetEnviron->getFunctionType(), GetEnviron);
+
 	for (Constant* C: cheerp::getGlobalConstructors(M))
 	{
 		Builder.CreateCall(Ty, cast<Function>(C->getAggregateElement(1)));