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elf: test common symbols handling

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This commit is contained in:
Jakub Konka 2023-10-06 00:13:19 +02:00
parent def7190e84
commit cf2c8c0789
1 changed files with 38 additions and 10 deletions
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48
test/link/elf.zig
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@ -16,6 +16,7 @@ pub fn build(b: *Build) void {
// elf_step.dependOn(testLinkingZig(b, .{ .use_llvm = false }));
// Exercise linker with LLVM backend
elf_step.dependOn(testCommonSymbols(b, .{ .target = musl_target }));
elf_step.dependOn(testEmptyObject(b, .{ .target = musl_target }));
elf_step.dependOn(testGcSections(b, .{ .target = musl_target }));
elf_step.dependOn(testLinkingC(b, .{ .target = musl_target }));
@ -24,12 +25,39 @@ pub fn build(b: *Build) void {
elf_step.dependOn(testTlsStatic(b, .{ .target = musl_target }));
}
fn testCommonSymbols(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "common-symbols", opts);
const exe = addExecutable(b, opts);
addCSourceBytes(exe,
\\int foo;
\\int bar;
\\int baz = 42;
, &.{"-fcommon"});
addCSourceBytes(exe,
\\#include<stdio.h>
\\int foo;
\\int bar = 5;
\\int baz;
\\int main() {
\\ printf("%d %d %d\n", foo, bar, baz);
\\}
, &.{"-fcommon"});
exe.is_linking_libc = true;
const run = addRunArtifact(exe);
run.expectStdOutEqual("0 5 42\n");
test_step.dependOn(&run.step);
return test_step;
}
fn testEmptyObject(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "empty-object", opts);
const exe = addExecutable(b, opts);
addCSourceBytes(exe, "int main() { return 0; }");
addCSourceBytes(exe, "");
addCSourceBytes(exe, "int main() { return 0; }", &.{});
addCSourceBytes(exe, "", &.{});
exe.is_linking_libc = true;
const run = addRunArtifact(exe);
@ -58,7 +86,7 @@ fn testGcSections(b: *Build, opts: Options) *Step {
\\ printf("%d %d\n", live_var1, live_var2);
\\ live_fn2();
\\}
);
, &.{});
obj.link_function_sections = true;
obj.link_data_sections = true;
obj.is_linking_libc = true;
@ -139,7 +167,7 @@ fn testLinkingC(b: *Build, opts: Options) *Step {
\\ printf("Hello World!\n");
\\ return 0;
\\}
);
, &.{});
exe.is_linking_libc = true;
const run = addRunArtifact(exe);
@ -168,7 +196,7 @@ fn testLinkingCpp(b: *Build, opts: Options) *Step {
\\ std::cout << "Hello World!" << std::endl;
\\ return 0;
\\}
);
, &.{});
exe.is_linking_libc = true;
exe.is_linking_libcpp = true;
@ -231,7 +259,7 @@ fn testTlsStatic(b: *Build, opts: Options) *Step {
\\ printf("%d %d %c\n", a, b, c);
\\ return 0;
\\}
);
, &.{});
exe.is_linking_libc = true;
const run = addRunArtifact(exe);
@ -297,16 +325,16 @@ fn addZigSourceBytes(comp: *Compile, comptime bytes: []const u8) void {
comp.root_src = file;
}
fn addCSourceBytes(comp: *Compile, comptime bytes: []const u8) void {
fn addCSourceBytes(comp: *Compile, comptime 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 = &.{} });
comp.addCSourceFile(.{ .file = file, .flags = flags });
}
fn addCppSourceBytes(comp: *Compile, comptime bytes: []const u8) void {
fn addCppSourceBytes(comp: *Compile, comptime 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 = &.{} });
comp.addCSourceFile(.{ .file = file, .flags = flags });
}
fn addAsmSourceBytes(comp: *Compile, comptime bytes: []const u8) void {