authorgravatar for luuk@degram.devLuuk de Gram <luuk@degram.dev> 2023-01-01 17:13:12+01:00
committergravatar for luuk@degram.devLuuk de Gram <luuk@degram.dev> 2023-01-02 18:36:18+01:00
logf9b3e8c762450c20a13c3f51ab91398f409781fb
tree7ebe0efe010f720ae5061ea30d02924d99ac4fa0
parente475ddb08e4bb3bacbc50bdd26fa83f579783dbb
signaturelock-open Commit is signed but in an unrecognized format.

test/link: add test case for exporting data syms

3 files changed, 47 insertions(+), 0 deletions(-)

test/link.zig+4
......@@ -47,6 +47,10 @@ fn addWasmCases(cases: *tests.StandaloneContext) void {
4747 .requires_stage2 = true,
4848 });
4949
50 cases.addBuildFile("test/link/wasm/export-data/build.zig", .{
51 .build_modes = true,
52 });
53
5054 cases.addBuildFile("test/link/wasm/extern/build.zig", .{
5155 .build_modes = true,
5256 .requires_stage2 = true,
test/link/wasm/export-data/build.zig created+41
......@@ -0,0 +1,41 @@
1const std = @import("std");
2const Builder = std.build.Builder;
3
4pub fn build(b: *Builder) void {
5 const mode = b.standardReleaseOptions();
6
7 const test_step = b.step("test", "Test");
8 test_step.dependOn(b.getInstallStep());
9
10 const lib = b.addSharedLibrary("lib", "lib.zig", .unversioned);
11 lib.setBuildMode(mode);
12 lib.setTarget(.{ .cpu_arch = .wasm32, .os_tag = .freestanding });
13 lib.use_lld = false;
14 lib.export_symbol_names = &.{ "foo", "bar" };
15 lib.global_base = 0; // put data section at address 0 to make data symbols easier to parse
16
17 const check_lib = lib.checkObject(.wasm);
18
19 check_lib.checkStart("Section global");
20 check_lib.checkNext("entries 3");
21 check_lib.checkNext("type i32"); // stack pointer so skip other fields
22 check_lib.checkNext("type i32");
23 check_lib.checkNext("mutable false");
24 check_lib.checkNext("i32.const {foo_address}");
25 check_lib.checkNext("type i32");
26 check_lib.checkNext("mutable false");
27 check_lib.checkNext("i32.const {bar_address}");
28 check_lib.checkComputeCompare("foo_address", .{ .op = .eq, .value = .{ .literal = 0x0c } });
29 check_lib.checkComputeCompare("bar_address", .{ .op = .eq, .value = .{ .literal = 0x10 } });
30
31 check_lib.checkStart("Section export");
32 check_lib.checkNext("entries 3");
33 check_lib.checkNext("name foo");
34 check_lib.checkNext("kind global");
35 check_lib.checkNext("index 1");
36 check_lib.checkNext("name bar");
37 check_lib.checkNext("kind global");
38 check_lib.checkNext("index 2");
39
40 test_step.dependOn(&check_lib.step);
41}
test/link/wasm/export-data/lib.zig created+2
......@@ -0,0 +1,2 @@
1export const foo: u32 = 0xbbbbbbbb;
2export const bar: u32 = 0xbbbbbbbb;