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wasm linker: add __zig_error_name_table data when needed

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This commit is contained in:
Andrew Kelley
2024-12-18 15:21:03 -08:00
parent 85b53730fe
commit 3c70392210
1 changed files with 4 additions and 1 deletions
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5
src/link/Wasm/Flush.zig
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@@ -134,7 +134,7 @@ pub fn finish(f: *Flush, wasm: *Wasm) !void {
// Merge and order the data segments. Depends on garbage collection so that
// unused segments can be omitted.
try wasm.data_segments.ensureUnusedCapacity(gpa, wasm.object_data_segments.items.len);
try wasm.data_segments.ensureUnusedCapacity(gpa, wasm.object_data_segments.items.len + 1);
for (wasm.object_data_segments.items, 0..) |*ds, i| {
if (!ds.flags.alive) continue;
const data_segment_index: Wasm.ObjectDataSegmentIndex = @enumFromInt(i);
@@ -143,6 +143,9 @@ pub fn finish(f: *Flush, wasm: *Wasm) !void {
.object = data_segment_index,
}), @as(u32, undefined));
}
if (wasm.error_name_table_ref_count > 0) {
wasm.data_segments.putAssumeCapacity(.__zig_error_name_table, @as(u32, undefined));
}
try wasm.functions.ensureUnusedCapacity(gpa, 3);