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wasm linker: mark symbol deps on intrinsics

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This commit is contained in:
Andrew Kelley 2025-01-10 19:10:25 -08:00
parent e18a397c85
commit e44bafe5ff
1 changed files with 14 additions and 0 deletions
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14
src/link/Wasm/Flush.zig
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@ -104,6 +104,20 @@ pub fn finish(f: *Flush, wasm: *Wasm) !void {
const entry_name = if (wasm.entry_resolution.isNavOrUnresolved(wasm)) wasm.entry_name else .none;
// Detect any intrinsics that were called; they need to have dependencies on the symbols marked.
for (wasm.mir_instructions.items(.tag), wasm.mir_instructions.items(.data)) |tag, *data| switch (tag) {
.call_intrinsic => {
const symbol_name = try wasm.internString(@tagName(data.intrinsic));
const i: Wasm.FunctionImport.Index = @enumFromInt(wasm.object_function_imports.getIndex(symbol_name) orelse {
return diags.fail("missing compiler runtime intrinsic '{s}' (undefined linker symbol)", .{
@tagName(data.intrinsic),
});
});
try wasm.markFunctionImport(symbol_name, i.value(wasm), i);
},
else => continue,
};
if (comp.zcu) |zcu| {
const ip: *const InternPool = &zcu.intern_pool; // No mutations allowed!