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elf: more DSO tests

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This commit is contained in:
Jakub Konka 2023-10-06 12:40:59 +02:00
parent 2f497f9f05
commit 62c6c4a46d
1 changed files with 51 additions and 8 deletions
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59
test/link/elf.zig
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@ -32,6 +32,7 @@ pub fn build(b: *Build) void {
for (&[_]CrossTarget{ glibc_target, musl_target }) |target| {
elf_step.dependOn(testDsoPlt(b, .{ .target = target }));
elf_step.dependOn(testDsoUndef(b, .{ .target = target }));
}
}
@ -171,6 +172,47 @@ fn testDsoPlt(b: *Build, opts: Options) *Step {
return test_step;
}
fn testDsoUndef(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "dso-undef", opts);
const dso = addSharedLibrary(b, opts);
addCSourceBytes(dso,
\\extern int foo;
\\int bar = 5;
\\int baz() { return foo; }
, &.{"-fPIC"});
dso.is_linking_libc = true;
const obj = addObject(b, opts);
addCSourceBytes(obj, "int foo = 3;", &.{});
const lib = addStaticLibrary(b, opts);
lib.addObject(obj);
const exe = addExecutable(b, opts);
exe.linkLibrary(dso);
exe.linkLibrary(lib);
addCSourceBytes(exe,
\\extern int bar;
\\int main() {
\\ return bar - 5;
\\}
, &.{});
exe.is_linking_libc = true;
exe.verbose_link = true;
const run = addRunArtifact(exe);
run.expectExitCode(0);
test_step.dependOn(&run.step);
const check = exe.checkObject();
check.checkInDynamicSymtab();
check.checkContains("foo");
test_step.dependOn(&check.step);
return test_step;
}
fn testEmptyObject(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "empty-object", opts);
@ -422,7 +464,7 @@ fn addExecutable(b: *Build, opts: Options) *Compile {
fn addObject(b: *Build, opts: Options) *Compile {
return b.addObject(.{
.name = "a.o",
.name = "a",
.target = opts.target,
.optimize = opts.optimize,
.use_llvm = opts.use_llvm,
@ -432,7 +474,7 @@ fn addObject(b: *Build, opts: Options) *Compile {
fn addStaticLibrary(b: *Build, opts: Options) *Compile {
return b.addStaticLibrary(.{
.name = "a.a",
.name = "a",
.target = opts.target,
.optimize = opts.optimize,
.use_llvm = opts.use_llvm,
@ -442,7 +484,7 @@ fn addStaticLibrary(b: *Build, opts: Options) *Compile {
fn addSharedLibrary(b: *Build, opts: Options) *Compile {
return b.addSharedLibrary(.{
.name = "a.so",
.name = "a",
.target = opts.target,
.optimize = opts.optimize,
.use_llvm = opts.use_llvm,
@ -457,28 +499,29 @@ fn addRunArtifact(comp: *Compile) *Run {
return run;
}
fn addZigSourceBytes(comp: *Compile, comptime bytes: []const u8) void {
fn addZigSourceBytes(comp: *Compile, bytes: []const u8) void {
const b = comp.step.owner;
const file = WriteFile.create(b).add("a.zig", bytes);
file.addStepDependencies(&comp.step);
comp.root_src = file;
}
fn addCSourceBytes(comp: *Compile, comptime bytes: []const u8, flags: []const []const u8) void {
fn addCSourceBytes(comp: *Compile, bytes: []const u8, flags: []const []const u8) void {
const b = comp.step.owner;
const file = WriteFile.create(b).add("a.c", bytes);
comp.addCSourceFile(.{ .file = file, .flags = flags });
}
fn addCppSourceBytes(comp: *Compile, comptime bytes: []const u8, flags: []const []const u8) void {
fn addCppSourceBytes(comp: *Compile, bytes: []const u8, flags: []const []const u8) void {
const b = comp.step.owner;
const file = WriteFile.create(b).add("a.cpp", bytes);
comp.addCSourceFile(.{ .file = file, .flags = flags });
}
fn addAsmSourceBytes(comp: *Compile, comptime bytes: []const u8) void {
fn addAsmSourceBytes(comp: *Compile, bytes: []const u8) void {
const b = comp.step.owner;
const file = WriteFile.create(b).add("a.s", bytes ++ "\n");
const actual_bytes = std.fmt.allocPrint(b.allocator, "{s}\n", .{bytes}) catch @panic("OOM");
const file = WriteFile.create(b).add("a.s", actual_bytes);
comp.addAssemblyFile(file);
}