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30f2bb8464
When we're compiling compiler_rt for any WebAssembly target, we do not want to expose all the compiler-rt functions to the host runtime. By setting the visibility of all exports to `hidden`, we allow the linker to resolve the symbols during linktime, while not expose the functions to the host runtime. This also means the linker can properly garbage collect any compiler-rt function that does not get resolved. The symbol visibility for all target remains the same as before: `default`.
29 lines
903 B
Zig
29 lines
903 B
Zig
const std = @import("std");
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const builtin = @import("builtin");
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const udivmod = @import("udivmod.zig").udivmod;
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const common = @import("common.zig");
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pub const panic = common.panic;
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comptime {
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if (common.want_windows_v2u64_abi) {
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@export(__udivmodti4_windows_x86_64, .{ .name = "__udivmodti4", .linkage = common.linkage, .visibility = common.visibility });
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} else {
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@export(__udivmodti4, .{ .name = "__udivmodti4", .linkage = common.linkage, .visibility = common.visibility });
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}
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}
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pub fn __udivmodti4(a: u128, b: u128, maybe_rem: ?*u128) callconv(.C) u128 {
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return udivmod(u128, a, b, maybe_rem);
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}
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const v2u64 = @Vector(2, u64);
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fn __udivmodti4_windows_x86_64(a: v2u64, b: v2u64, maybe_rem: ?*u128) callconv(.C) v2u64 {
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return @bitCast(v2u64, udivmod(u128, @bitCast(u128, a), @bitCast(u128, b), maybe_rem));
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}
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test {
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_ = @import("udivmodti4_test.zig");
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}
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