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wasm: shared memory checks

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xReveres 2022-02-22 15:31:12 +01:00 committed by Luuk de Gram
parent b2805666a7
commit fb7cde3071
1 changed files with 12 additions and 0 deletions
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src/main.zig
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@ -2012,6 +2012,18 @@ fn buildOutputType(
link_libcpp = true;
}
if (target_info.target.cpu.arch.isWasm() and linker_shared_memory) {
if (output_mode == .Obj) {
fatal("shared memory is not allowed in object files", .{});
}
if (!target_info.target.cpu.features.isEnabled(@enumToInt(std.Target.wasm.Feature.atomics)) or
!target_info.target.cpu.features.isEnabled(@enumToInt(std.Target.wasm.Feature.bulk_memory)))
{
fatal("'atomics' and 'bulk-memory' features must be used in order to use shared memory", .{});
}
}
// Now that we have target info, we can find out if any of the system libraries
// are part of libc or libc++. We remove them from the list and communicate their
// existence via flags instead.