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test/link/macho: test for correct handling of large __bss sections

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This commit is contained in:
Jakub Konka 2024-01-13 19:12:55 +01:00
parent faa1849f81
commit bf285c7e40
1 changed files with 22 additions and 0 deletions
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22
test/link/macho.zig
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@ -10,6 +10,7 @@ pub fn testAll(b: *Build, build_opts: BuildOptions) *Step {
macho_step.dependOn(testDeadStrip(b, .{ .target = default_target }));
macho_step.dependOn(testEntryPointDylib(b, .{ .target = default_target }));
macho_step.dependOn(testLargeBss(b, .{ .target = default_target }));
macho_step.dependOn(testMhExecuteHeader(b, .{ .target = default_target }));
macho_step.dependOn(testSectionBoundarySymbols(b, .{ .target = default_target }));
macho_step.dependOn(testSegmentBoundarySymbols(b, .{ .target = default_target }));
@ -162,6 +163,27 @@ fn testEntryPointDylib(b: *Build, opts: Options) *Step {
return test_step;
}
fn testLargeBss(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "macho-large-bss", opts);
// TODO this test used use a 4GB zerofill section but this actually fails and causes every
// linker I tried misbehave in different ways. This only happened on arm64. I thought that
// maybe S_GB_ZEROFILL section is an answer to this but it doesn't seem supported by dyld
// anymore. When I get some free time I will re-investigate this.
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
\\char arr[0x1000000];
\\int main() {
\\ return arr[2000];
\\}
});
const run = addRunArtifact(exe);
run.expectExitCode(0);
test_step.dependOn(&run.step);
return test_step;
}
fn testMhExecuteHeader(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "macho-mh-execute-header", opts);