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elf: test unresolved symbol reference error

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This commit is contained in:
Jakub Konka 2023-10-24 22:07:07 +02:00
parent 89563f07e3
commit 403e539669
1 changed files with 45 additions and 0 deletions
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45
test/link/elf.zig
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@ -99,6 +99,7 @@ pub fn build(b: *Build) void {
elf_step.dependOn(testTlsOffsetAlignment(b, .{ .target = glibc_target }));
elf_step.dependOn(testTlsPic(b, .{ .target = glibc_target }));
elf_step.dependOn(testTlsSmallAlignment(b, .{ .target = glibc_target }));
elf_step.dependOn(testUnresolved(b, .{ .target = glibc_target }));
elf_step.dependOn(testWeakExports(b, .{ .target = glibc_target }));
elf_step.dependOn(testWeakUndefsDso(b, .{ .target = glibc_target }));
elf_step.dependOn(testZNow(b, .{ .target = glibc_target }));
@ -2783,6 +2784,44 @@ fn testTlsStatic(b: *Build, opts: Options) *Step {
return test_step;
}
fn testUnresolved(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "unresolved", opts);
const obj1 = addObject(b, "a", opts);
addCSourceBytes(obj1,
\\#include <stdio.h>
\\int foo();
\\int bar() {
\\ return foo() + 1;
\\}
, &.{"-ffunction-sections"});
obj1.linkLibC();
const obj2 = addObject(b, "b", opts);
addCSourceBytes(obj2,
\\#include <stdio.h>
\\int foo();
\\int bar();
\\int main() {
\\ return foo() + bar();
\\}
, &.{"-ffunction-sections"});
obj2.linkLibC();
const exe = addExecutable(b, "main", opts);
exe.addObject(obj1);
exe.addObject(obj2);
exe.linkLibC();
expectLinkErrors(exe, test_step, &.{
"error: undefined symbol: foo",
"note: referenced by /?/a.o:.text.bar",
"note: referenced by /?/b.o:.text.main",
});
return test_step;
}
fn testWeakExports(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "weak-exports", opts);
@ -3081,6 +3120,12 @@ fn addAsmSourceBytes(comp: *Compile, bytes: []const u8) void {
comp.addAssemblyFile(file);
}
fn expectLinkErrors(comp: *Compile, test_step: *Step, expected_errors: []const []const u8) void {
comp.expect_errors = expected_errors;
const bin_file = comp.getEmittedBin();
bin_file.addStepDependencies(test_step);
}
const std = @import("std");
const Build = std.Build;