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elf: test --export-dynamic flag

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This commit is contained in:
Jakub Konka 2023-10-07 23:45:01 +02:00
parent 20980b33e3
commit f2ad71991a
1 changed files with 48 additions and 6 deletions
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54
test/link/elf.zig
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@ -35,6 +35,7 @@ pub fn build(b: *Build) void {
elf_step.dependOn(testCommonSymbols(b, .{ .target = musl_target }));
elf_step.dependOn(testCommonSymbolsInArchive(b, .{ .target = musl_target }));
elf_step.dependOn(testEmptyObject(b, .{ .target = musl_target }));
elf_step.dependOn(testEntryPoint(b, .{ .target = musl_target }));
elf_step.dependOn(testGcSections(b, .{ .target = musl_target }));
elf_step.dependOn(testLinkingC(b, .{ .target = musl_target }));
elf_step.dependOn(testLinkingCpp(b, .{ .target = musl_target }));
@ -48,12 +49,9 @@ pub fn build(b: *Build) void {
elf_step.dependOn(testCopyrelAlignment(b, .{ .target = glibc_target, .dynamic_linker = dynamic_linker }));
elf_step.dependOn(testDsoPlt(b, .{ .target = glibc_target, .dynamic_linker = dynamic_linker }));
elf_step.dependOn(testDsoUndef(b, .{ .target = glibc_target, .dynamic_linker = dynamic_linker }));
elf_step.dependOn(testExportDynamic(b, .{ .target = glibc_target, .dynamic_linker = dynamic_linker }));
elf_step.dependOn(testLargeAlignmentDso(b, .{ .target = glibc_target, .dynamic_linker = dynamic_linker }));
for (&[_]CrossTarget{ musl_target, glibc_target }) |target| {
elf_step.dependOn(testEntryPoint(b, .{ .target = target }));
elf_step.dependOn(testLargeAlignmentExe(b, .{ .target = target }));
}
elf_step.dependOn(testLargeAlignmentExe(b, .{ .target = glibc_target, .dynamic_linker = dynamic_linker }));
}
fn testAbsSymbols(b: *Build, opts: Options) *Step {
@ -592,7 +590,9 @@ fn testEntryPoint(b: *Build, opts: Options) *Step {
}
{
// TODO if I rename this to `main` it fails
// TODO looks like not assigning a unique name to this executable will
// cause an artifact collision taking the cached executable from the above
// step instead of generating a new one.
const exe = addExecutable(b, "other", opts);
exe.addObject(a_o);
exe.addObject(b_o);
@ -608,6 +608,48 @@ fn testEntryPoint(b: *Build, opts: Options) *Step {
return test_step;
}
fn testExportDynamic(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "export-dynamic", opts);
const obj = addObject(b, "obj", opts);
addAsmSourceBytes(obj,
\\.text
\\ .globl foo
\\ .hidden foo
\\foo:
\\ nop
\\ .globl bar
\\bar:
\\ nop
\\ .globl _start
\\_start:
\\ nop
);
const dso = addSharedLibrary(b, "a", opts);
addCSourceBytes(dso, "int baz = 10;", &.{"-fPIC"});
const exe = addExecutable(b, "main", opts);
addCSourceBytes(exe,
\\extern int baz;
\\int callBaz() {
\\ return baz;
\\}
, &.{});
exe.addObject(obj);
exe.linkLibrary(dso);
exe.rdynamic = true;
const check = exe.checkObject();
check.checkInDynamicSymtab();
check.checkContains("bar");
check.checkInDynamicSymtab();
check.checkContains("_start");
test_step.dependOn(&check.step);
return test_step;
}
fn testGcSections(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "gc-sections", opts);