From 9ddb1c50928ad202991369a87b58ce65f40428f2 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Tue, 14 Jan 2025 20:23:15 -0800
Subject: [PATCH] wasm linker: implement --export-table

---
 src/link/Wasm/Flush.zig | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/link/Wasm/Flush.zig b/src/link/Wasm/Flush.zig
index 5dbf20ce7e..4e88ad7913 100644
--- a/src/link/Wasm/Flush.zig
+++ b/src/link/Wasm/Flush.zig
@@ -710,7 +710,15 @@ pub fn finish(f: *Flush, wasm: *Wasm) !void {
         }
         exports_len += wasm.function_exports.entries.len;
 
-        // No table exports.
+        if (wasm.export_table and f.indirect_function_table.entries.len > 0) {
+            const name = "__indirect_function_table";
+            const index: u32 = @intCast(wasm.tables.getIndex(.__indirect_function_table).?);
+            try leb.writeUleb128(binary_writer, @as(u32, @intCast(name.len)));
+            try binary_bytes.appendSlice(gpa, name);
+            try binary_bytes.append(gpa, @intFromEnum(std.wasm.ExternalKind.table));
+            try leb.writeUleb128(binary_writer, index);
+            exports_len += 1;
+        }
 
         if (export_memory) {
             const name = "memory";