authorgravatar for kubkon@jakubkonka.comJakub Konka <kubkon@jakubkonka.com> 2023-10-06 12:40:59+02:00
committergravatar for kubkon@jakubkonka.comJakub Konka <kubkon@jakubkonka.com> 2023-10-16 19:33:04+02:00
log62c6c4a46d9af921398de4dd5f93935f0b09c753
tree2582e7ebaced23731599b056717158b26b8aed19
parent2f497f9f0553f2738e05a511f3774cb18efb2304

elf: more DSO tests

1 files changed, 51 insertions(+), 8 deletions(-)

test/link/elf.zig+51-8
...@@ -32,6 +32,7 @@ pub fn build(b: *Build) void {...@@ -32,6 +32,7 @@ pub fn build(b: *Build) void {
3232
33 for (&[_]CrossTarget{ glibc_target, musl_target }) |target| {33 for (&[_]CrossTarget{ glibc_target, musl_target }) |target| {
34 elf_step.dependOn(testDsoPlt(b, .{ .target = target }));34 elf_step.dependOn(testDsoPlt(b, .{ .target = target }));
35 elf_step.dependOn(testDsoUndef(b, .{ .target = target }));
35 }36 }
36}37}
3738
...@@ -171,6 +172,47 @@ fn testDsoPlt(b: *Build, opts: Options) *Step {...@@ -171,6 +172,47 @@ fn testDsoPlt(b: *Build, opts: Options) *Step {
171 return test_step;172 return test_step;
172}173}
173174
175fn testDsoUndef(b: *Build, opts: Options) *Step {
176 const test_step = addTestStep(b, "dso-undef", opts);
177
178 const dso = addSharedLibrary(b, opts);
179 addCSourceBytes(dso,
180 \\extern int foo;
181 \\int bar = 5;
182 \\int baz() { return foo; }
183 , &.{"-fPIC"});
184 dso.is_linking_libc = true;
185
186 const obj = addObject(b, opts);
187 addCSourceBytes(obj, "int foo = 3;", &.{});
188
189 const lib = addStaticLibrary(b, opts);
190 lib.addObject(obj);
191
192 const exe = addExecutable(b, opts);
193 exe.linkLibrary(dso);
194 exe.linkLibrary(lib);
195 addCSourceBytes(exe,
196 \\extern int bar;
197 \\int main() {
198 \\ return bar - 5;
199 \\}
200 , &.{});
201 exe.is_linking_libc = true;
202 exe.verbose_link = true;
203
204 const run = addRunArtifact(exe);
205 run.expectExitCode(0);
206 test_step.dependOn(&run.step);
207
208 const check = exe.checkObject();
209 check.checkInDynamicSymtab();
210 check.checkContains("foo");
211 test_step.dependOn(&check.step);
212
213 return test_step;
214}
215
174fn testEmptyObject(b: *Build, opts: Options) *Step {216fn testEmptyObject(b: *Build, opts: Options) *Step {
175 const test_step = addTestStep(b, "empty-object", opts);217 const test_step = addTestStep(b, "empty-object", opts);
176218
...@@ -422,7 +464,7 @@ fn addExecutable(b: *Build, opts: Options) *Compile {...@@ -422,7 +464,7 @@ fn addExecutable(b: *Build, opts: Options) *Compile {
422464
423fn addObject(b: *Build, opts: Options) *Compile {465fn addObject(b: *Build, opts: Options) *Compile {
424 return b.addObject(.{466 return b.addObject(.{
425 .name = "a.o",467 .name = "a",
426 .target = opts.target,468 .target = opts.target,
427 .optimize = opts.optimize,469 .optimize = opts.optimize,
428 .use_llvm = opts.use_llvm,470 .use_llvm = opts.use_llvm,
...@@ -432,7 +474,7 @@ fn addObject(b: *Build, opts: Options) *Compile {...@@ -432,7 +474,7 @@ fn addObject(b: *Build, opts: Options) *Compile {
432474
433fn addStaticLibrary(b: *Build, opts: Options) *Compile {475fn addStaticLibrary(b: *Build, opts: Options) *Compile {
434 return b.addStaticLibrary(.{476 return b.addStaticLibrary(.{
435 .name = "a.a",477 .name = "a",
436 .target = opts.target,478 .target = opts.target,
437 .optimize = opts.optimize,479 .optimize = opts.optimize,
438 .use_llvm = opts.use_llvm,480 .use_llvm = opts.use_llvm,
...@@ -442,7 +484,7 @@ fn addStaticLibrary(b: *Build, opts: Options) *Compile {...@@ -442,7 +484,7 @@ fn addStaticLibrary(b: *Build, opts: Options) *Compile {
442484
443fn addSharedLibrary(b: *Build, opts: Options) *Compile {485fn addSharedLibrary(b: *Build, opts: Options) *Compile {
444 return b.addSharedLibrary(.{486 return b.addSharedLibrary(.{
445 .name = "a.so",487 .name = "a",
446 .target = opts.target,488 .target = opts.target,
447 .optimize = opts.optimize,489 .optimize = opts.optimize,
448 .use_llvm = opts.use_llvm,490 .use_llvm = opts.use_llvm,
...@@ -457,28 +499,29 @@ fn addRunArtifact(comp: *Compile) *Run {...@@ -457,28 +499,29 @@ fn addRunArtifact(comp: *Compile) *Run {
457 return run;499 return run;
458}500}
459501
460fn addZigSourceBytes(comp: *Compile, comptime bytes: []const u8) void {502fn addZigSourceBytes(comp: *Compile, bytes: []const u8) void {
461 const b = comp.step.owner;503 const b = comp.step.owner;
462 const file = WriteFile.create(b).add("a.zig", bytes);504 const file = WriteFile.create(b).add("a.zig", bytes);
463 file.addStepDependencies(&comp.step);505 file.addStepDependencies(&comp.step);
464 comp.root_src = file;506 comp.root_src = file;
465}507}
466508
467fn addCSourceBytes(comp: *Compile, comptime bytes: []const u8, flags: []const []const u8) void {509fn addCSourceBytes(comp: *Compile, bytes: []const u8, flags: []const []const u8) void {
468 const b = comp.step.owner;510 const b = comp.step.owner;
469 const file = WriteFile.create(b).add("a.c", bytes);511 const file = WriteFile.create(b).add("a.c", bytes);
470 comp.addCSourceFile(.{ .file = file, .flags = flags });512 comp.addCSourceFile(.{ .file = file, .flags = flags });
471}513}
472514
473fn addCppSourceBytes(comp: *Compile, comptime bytes: []const u8, flags: []const []const u8) void {515fn addCppSourceBytes(comp: *Compile, bytes: []const u8, flags: []const []const u8) void {
474 const b = comp.step.owner;516 const b = comp.step.owner;
475 const file = WriteFile.create(b).add("a.cpp", bytes);517 const file = WriteFile.create(b).add("a.cpp", bytes);
476 comp.addCSourceFile(.{ .file = file, .flags = flags });518 comp.addCSourceFile(.{ .file = file, .flags = flags });
477}519}
478520
479fn addAsmSourceBytes(comp: *Compile, comptime bytes: []const u8) void {521fn addAsmSourceBytes(comp: *Compile, bytes: []const u8) void {
480 const b = comp.step.owner;522 const b = comp.step.owner;
481 const file = WriteFile.create(b).add("a.s", bytes ++ "\n");523 const actual_bytes = std.fmt.allocPrint(b.allocator, "{s}\n", .{bytes}) catch @panic("OOM");
524 const file = WriteFile.create(b).add("a.s", actual_bytes);
482 comp.addAssemblyFile(file);525 comp.addAssemblyFile(file);
483}526}
484527