mirror of
https://github.com/ziglang/zig.git
synced 2026-01-09 08:55:36 +00:00
ec5fc6a2a8
this tests for importing a function table, but the example source does not try to use an imported table, so it's a useless check. it's unclear what the behavior is even supposed to do in this case. the other two cases are left alone.
66 lines
2.4 KiB
Zig
66 lines
2.4 KiB
Zig
const std = @import("std");
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pub const requires_stage2 = true;
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pub fn build(b: *std.Build) void {
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const test_step = b.step("test", "Test it");
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b.default_step = test_step;
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add(b, test_step, .Debug);
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}
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fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
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const export_table = b.addExecutable(.{
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.name = "export_table",
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.root_module = b.createModule(.{
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.root_source_file = b.path("lib.zig"),
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.target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
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.optimize = optimize,
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}),
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});
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export_table.entry = .disabled;
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export_table.use_llvm = false;
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export_table.use_lld = false;
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export_table.export_table = true;
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export_table.link_gc_sections = false;
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const regular_table = b.addExecutable(.{
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.name = "regular_table",
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.root_module = b.createModule(.{
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.root_source_file = b.path("lib.zig"),
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.target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
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.optimize = optimize,
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}),
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});
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regular_table.entry = .disabled;
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regular_table.use_llvm = false;
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regular_table.use_lld = false;
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regular_table.link_gc_sections = false; // Ensure function table is not empty
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const check_export = export_table.checkObject();
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const check_regular = regular_table.checkObject();
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check_export.checkInHeaders();
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check_export.checkExact("Section export");
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check_export.checkExact("entries 2");
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check_export.checkExact("name __indirect_function_table"); // as per linker specification
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check_export.checkExact("kind table");
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check_regular.checkInHeaders();
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check_regular.checkExact("Section table");
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check_regular.checkExact("entries 1");
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check_regular.checkExact("type funcref");
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check_regular.checkExact("min 2"); // index starts at 1 & 1 function pointer = 2.
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check_regular.checkExact("max 2");
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check_regular.checkInHeaders();
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check_regular.checkExact("Section element");
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check_regular.checkExact("entries 1");
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check_regular.checkExact("table index 0");
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check_regular.checkExact("i32.const 1"); // we want to start function indexes at 1
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check_regular.checkExact("indexes 1"); // 1 function pointer
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test_step.dependOn(&check_export.step);
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test_step.dependOn(&check_regular.step);
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}
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