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elf: add hello-world c++ link test

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This commit is contained in:
Jakub Konka 2023-10-04 12:38:18 +02:00
parent 621ddc003a
commit 976d4f51cc
1 changed files with 38 additions and 1 deletions
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39
test/link/elf.zig
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@ -18,6 +18,7 @@ pub fn build(b: *Build) void {
// Exercise linker with LLVM backend
elf_step.dependOn(testEmptyObject(b, .{ .target = musl_target }));
elf_step.dependOn(testLinkingC(b, .{ .target = musl_target }));
elf_step.dependOn(testLinkingCpp(b, .{ .target = musl_target }));
elf_step.dependOn(testLinkingZig(b, .{ .target = musl_target }));
elf_step.dependOn(testTlsStatic(b, .{ .target = musl_target }));
}
@ -38,7 +39,7 @@ fn testEmptyObject(b: *Build, opts: Options) *Step {
}
fn testLinkingC(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "linking-c-static", opts);
const test_step = addTestStep(b, "linking-c", opts);
const exe = addExecutable(b, opts);
addCSourceBytes(exe,
@ -66,6 +67,36 @@ fn testLinkingC(b: *Build, opts: Options) *Step {
return test_step;
}
fn testLinkingCpp(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "linking-cpp", opts);
const exe = addExecutable(b, opts);
addCppSourceBytes(exe,
\\#include <iostream>
\\int main() {
\\ std::cout << "Hello World!" << std::endl;
\\ return 0;
\\}
);
exe.is_linking_libc = true;
exe.is_linking_libcpp = true;
const run = addRunArtifact(exe);
run.expectStdOutEqual("Hello World!\n");
test_step.dependOn(&run.step);
const check = exe.checkObject();
check.checkStart();
check.checkExact("header");
check.checkExact("type EXEC");
check.checkStart();
check.checkExact("section headers");
check.checkNotPresent("name .dynamic");
test_step.dependOn(&check.step);
return test_step;
}
fn testLinkingZig(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "linking-zig-static", opts);
@ -171,6 +202,12 @@ fn addCSourceBytes(comp: *Compile, comptime bytes: []const u8) void {
comp.addCSourceFile(.{ .file = file, .flags = &.{} });
}
fn addCppSourceBytes(comp: *Compile, comptime bytes: []const u8) void {
const b = comp.step.owner;
const file = WriteFile.create(b).add("a.cpp", bytes);
comp.addCSourceFile(.{ .file = file, .flags = &.{} });
}
fn addAsmSourceBytes(comp: *Compile, comptime bytes: []const u8) void {
const b = comp.step.owner;
const file = WriteFile.create(b).add("a.s", bytes ++ "\n");