From fca7142a3c5f942235580aec9661003727601fd3 Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Sun, 31 Oct 2021 16:31:20 +0000
Subject: Correct `_start` export for wasm* targets

---
 src/llvm_backend.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/llvm_backend.cpp')

diff --git a/src/llvm_backend.cpp b/src/llvm_backend.cpp
index ef764372b..1d382aa6d 100644
--- a/src/llvm_backend.cpp
+++ b/src/llvm_backend.cpp
@@ -897,6 +897,11 @@ lbProcedure *lb_create_main_procedure(lbModule *m, lbProcedure *startup_runtime)
 
 	if (is_arch_wasm()) {
 		LLVMSetLinkage(p->value, LLVMDLLExportLinkage);
+		LLVMSetDLLStorageClass(p->value, LLVMDLLExportStorageClass);
+		LLVMSetVisibility(p->value, LLVMDefaultVisibility);
+		
+		char const *export_name = alloc_cstring(permanent_allocator(), p->name);
+		LLVMAddTargetDependentFunctionAttr(p->value, "wasm-export-name", export_name);
 	} else {
 		LLVMSetLinkage(p->value, LLVMExternalLinkage);
 	}
-- 
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