2340 lines
74 KiB
Zig
2340 lines
74 KiB
Zig
//! Here we test our MachO linker for correctness and functionality.
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pub fn testAll(b: *Build, build_opts: BuildOptions) *Step {
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const macho_step = b.step("test-macho", "Run MachO tests");
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const default_target = b.resolveTargetQuery(.{
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.os_tag = .macos,
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});
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const x86_64_target = b.resolveTargetQuery(.{
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.cpu_arch = .x86_64,
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.os_tag = .macos,
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});
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const aarch64_target = b.resolveTargetQuery(.{
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.cpu_arch = .aarch64,
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.os_tag = .macos,
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});
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// Exercise linker with self-hosted backend (no LLVM)
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macho_step.dependOn(testHelloZig(b, .{ .use_llvm = false, .target = x86_64_target }));
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macho_step.dependOn(testRelocatableZig(b, .{ .use_llvm = false, .strip = true, .target = x86_64_target }));
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// Exercise linker with LLVM backend
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macho_step.dependOn(testDeadStrip(b, .{ .target = default_target }));
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macho_step.dependOn(testEmptyObject(b, .{ .target = default_target }));
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macho_step.dependOn(testEmptyZig(b, .{ .target = default_target }));
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macho_step.dependOn(testEntryPoint(b, .{ .target = default_target }));
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macho_step.dependOn(testHeaderWeakFlags(b, .{ .target = default_target }));
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macho_step.dependOn(testHelloC(b, .{ .target = default_target }));
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macho_step.dependOn(testHelloZig(b, .{ .target = default_target }));
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macho_step.dependOn(testLargeBss(b, .{ .target = default_target }));
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macho_step.dependOn(testLayout(b, .{ .target = default_target }));
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macho_step.dependOn(testLinksection(b, .{ .target = default_target }));
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macho_step.dependOn(testMhExecuteHeader(b, .{ .target = default_target }));
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macho_step.dependOn(testNoDeadStrip(b, .{ .target = default_target }));
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macho_step.dependOn(testNoExportsDylib(b, .{ .target = default_target }));
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macho_step.dependOn(testPagezeroSize(b, .{ .target = default_target }));
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macho_step.dependOn(testReexportsZig(b, .{ .target = default_target }));
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macho_step.dependOn(testRelocatable(b, .{ .target = default_target }));
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macho_step.dependOn(testRelocatableZig(b, .{ .target = default_target }));
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macho_step.dependOn(testSectionBoundarySymbols(b, .{ .target = default_target }));
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macho_step.dependOn(testSegmentBoundarySymbols(b, .{ .target = default_target }));
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macho_step.dependOn(testStackSize(b, .{ .target = default_target }));
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macho_step.dependOn(testTentative(b, .{ .target = default_target }));
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macho_step.dependOn(testThunks(b, .{ .target = aarch64_target }));
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macho_step.dependOn(testTlsLargeTbss(b, .{ .target = default_target }));
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macho_step.dependOn(testUndefinedFlag(b, .{ .target = default_target }));
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macho_step.dependOn(testUnwindInfo(b, .{ .target = default_target }));
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macho_step.dependOn(testUnwindInfoNoSubsectionsX64(b, .{ .target = x86_64_target }));
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macho_step.dependOn(testUnwindInfoNoSubsectionsArm64(b, .{ .target = aarch64_target }));
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macho_step.dependOn(testWeakBind(b, .{ .target = x86_64_target }));
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macho_step.dependOn(testWeakRef(b, .{ .target = b.resolveTargetQuery(.{
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.cpu_arch = .x86_64,
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.os_tag = .macos,
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.os_version_min = .{ .semver = .{ .major = 10, .minor = 13, .patch = 0 } },
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}) }));
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// Tests requiring symlinks when tested on Windows
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if (build_opts.has_symlinks_windows) {
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macho_step.dependOn(testEntryPointArchive(b, .{ .target = default_target }));
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macho_step.dependOn(testEntryPointDylib(b, .{ .target = default_target }));
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macho_step.dependOn(testDylib(b, .{ .target = default_target }));
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macho_step.dependOn(testDylibVersionTbd(b, .{ .target = default_target }));
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macho_step.dependOn(testNeededLibrary(b, .{ .target = default_target }));
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macho_step.dependOn(testSearchStrategy(b, .{ .target = default_target }));
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macho_step.dependOn(testTbdv3(b, .{ .target = default_target }));
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macho_step.dependOn(testTls(b, .{ .target = default_target }));
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macho_step.dependOn(testTwoLevelNamespace(b, .{ .target = default_target }));
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macho_step.dependOn(testWeakLibrary(b, .{ .target = default_target }));
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// Tests requiring presence of macOS SDK in system path
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if (build_opts.has_macos_sdk) {
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macho_step.dependOn(testDeadStripDylibs(b, .{ .target = b.host }));
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macho_step.dependOn(testHeaderpad(b, .{ .target = b.host }));
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macho_step.dependOn(testLinkDirectlyCppTbd(b, .{ .target = b.host }));
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macho_step.dependOn(testNeededFramework(b, .{ .target = b.host }));
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macho_step.dependOn(testObjc(b, .{ .target = b.host }));
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macho_step.dependOn(testObjcpp(b, .{ .target = b.host }));
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macho_step.dependOn(testWeakFramework(b, .{ .target = b.host }));
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}
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}
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return macho_step;
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}
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fn testDeadStrip(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-dead-strip", opts);
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const obj = addObject(b, opts, .{ .name = "a", .cpp_source_bytes =
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\\#include <stdio.h>
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\\int two() { return 2; }
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\\int live_var1 = 1;
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\\int live_var2 = two();
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\\int dead_var1 = 3;
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\\int dead_var2 = 4;
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\\void live_fn1() {}
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\\void live_fn2() { live_fn1(); }
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\\void dead_fn1() {}
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\\void dead_fn2() { dead_fn1(); }
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\\int main() {
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\\ printf("%d %d\n", live_var1, live_var2);
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\\ live_fn2();
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\\}
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});
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{
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const exe = addExecutable(b, opts, .{ .name = "no_dead_strip" });
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exe.addObject(obj);
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exe.link_gc_sections = false;
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const check = exe.checkObject();
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check.checkInSymtab();
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check.checkContains("live_var1");
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check.checkInSymtab();
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check.checkContains("live_var2");
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check.checkInSymtab();
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check.checkContains("dead_var1");
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check.checkInSymtab();
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check.checkContains("dead_var2");
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check.checkInSymtab();
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check.checkContains("live_fn1");
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check.checkInSymtab();
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check.checkContains("live_fn2");
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check.checkInSymtab();
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check.checkContains("dead_fn1");
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check.checkInSymtab();
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check.checkContains("dead_fn2");
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test_step.dependOn(&check.step);
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const run = addRunArtifact(exe);
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run.expectStdOutEqual("1 2\n");
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test_step.dependOn(&run.step);
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}
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{
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const exe = addExecutable(b, opts, .{ .name = "yes_dead_strip" });
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exe.addObject(obj);
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exe.link_gc_sections = true;
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const check = exe.checkObject();
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check.checkInSymtab();
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check.checkContains("live_var1");
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check.checkInSymtab();
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check.checkContains("live_var2");
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check.checkInSymtab();
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check.checkNotPresent("dead_var1");
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check.checkInSymtab();
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check.checkNotPresent("dead_var2");
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check.checkInSymtab();
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check.checkContains("live_fn1");
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check.checkInSymtab();
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check.checkContains("live_fn2");
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check.checkInSymtab();
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check.checkNotPresent("dead_fn1");
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check.checkInSymtab();
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check.checkNotPresent("dead_fn2");
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test_step.dependOn(&check.step);
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const run = addRunArtifact(exe);
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run.expectStdOutEqual("1 2\n");
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test_step.dependOn(&run.step);
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}
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return test_step;
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}
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fn testDeadStripDylibs(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-dead-strip-dylibs", opts);
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const main_o = addObject(b, opts, .{ .name = "main", .c_source_bytes =
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\\#include <objc/runtime.h>
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\\int main() {
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\\ if (objc_getClass("NSObject") == 0) {
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\\ return -1;
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\\ }
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\\ if (objc_getClass("NSApplication") == 0) {
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\\ return -2;
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\\ }
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\\ return 0;
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\\}
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});
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{
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const exe = addExecutable(b, opts, .{ .name = "main1" });
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exe.addObject(main_o);
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exe.root_module.linkFramework("Cocoa", .{});
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const check = exe.checkObject();
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check.checkInHeaders();
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check.checkExact("cmd LOAD_DYLIB");
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check.checkContains("Cocoa");
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check.checkInHeaders();
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check.checkExact("cmd LOAD_DYLIB");
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check.checkContains("libobjc");
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test_step.dependOn(&check.step);
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const run = addRunArtifact(exe);
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run.expectExitCode(0);
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test_step.dependOn(&run.step);
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}
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{
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const exe = addExecutable(b, opts, .{ .name = "main2" });
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exe.addObject(main_o);
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exe.root_module.linkFramework("Cocoa", .{});
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exe.dead_strip_dylibs = true;
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const run = addRunArtifact(exe);
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run.expectExitCode(@as(u8, @bitCast(@as(i8, -2))));
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test_step.dependOn(&run.step);
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}
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return test_step;
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}
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fn testDylib(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-dylib", opts);
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const dylib = addSharedLibrary(b, opts, .{ .name = "a", .c_source_bytes =
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\\#include<stdio.h>
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\\char world[] = "world";
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\\char* hello() {
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\\ return "Hello";
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\\}
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});
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const check = dylib.checkObject();
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check.checkInHeaders();
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check.checkExact("header");
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check.checkNotPresent("PIE");
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test_step.dependOn(&check.step);
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const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
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\\#include<stdio.h>
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\\char* hello();
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\\extern char world[];
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\\int main() {
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\\ printf("%s %s", hello(), world);
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\\ return 0;
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\\}
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});
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exe.root_module.linkSystemLibrary("a", .{});
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exe.root_module.addLibraryPath(dylib.getEmittedBinDirectory());
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exe.root_module.addRPath(dylib.getEmittedBinDirectory());
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const run = addRunArtifact(exe);
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run.expectStdOutEqual("Hello world");
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test_step.dependOn(&run.step);
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return test_step;
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}
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fn testDylibVersionTbd(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-dylib-version-tbd", opts);
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const tbd = tbd: {
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const wf = WriteFile.create(b);
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break :tbd wf.add("liba.tbd",
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\\--- !tapi-tbd
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\\tbd-version: 4
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\\targets: [ x86_64-macos, arm64-macos ]
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\\uuids:
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\\ - target: x86_64-macos
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\\ value: DEADBEEF
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\\ - target: arm64-macos
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\\ value: BEEFDEAD
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\\install-name: '@rpath/liba.dylib'
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\\current-version: 1.2
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\\exports:
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\\ - targets: [ x86_64-macos, arm64-macos ]
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\\ symbols: [ _foo ]
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);
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};
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const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main() {}" });
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exe.root_module.linkSystemLibrary("a", .{});
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exe.root_module.addLibraryPath(tbd.dirname());
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const check = exe.checkObject();
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check.checkInHeaders();
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check.checkExact("cmd LOAD_DYLIB");
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check.checkExact("name @rpath/liba.dylib");
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check.checkExact("current version 10200");
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test_step.dependOn(&check.step);
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return test_step;
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}
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fn testEmptyObject(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-empty-object", opts);
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const empty = addObject(b, opts, .{ .name = "empty", .c_source_bytes = "" });
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const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
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\\#include <stdio.h>
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\\int main() {
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\\ printf("Hello world!");
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\\}
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});
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exe.addObject(empty);
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const run = addRunArtifact(exe);
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run.expectStdOutEqual("Hello world!");
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test_step.dependOn(&run.step);
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return test_step;
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}
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fn testEmptyZig(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-empty-zig", opts);
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const exe = addExecutable(b, opts, .{ .name = "empty", .zig_source_bytes = "pub fn main() void {}" });
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const run = addRunArtifact(exe);
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run.expectExitCode(0);
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test_step.dependOn(&run.step);
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return test_step;
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}
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fn testEntryPoint(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-entry-point", opts);
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const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
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\\#include<stdio.h>
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\\int non_main() {
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\\ printf("%d", 42);
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\\ return 0;
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\\}
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});
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exe.entry = .{ .symbol_name = "_non_main" };
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const run = addRunArtifact(exe);
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run.expectStdOutEqual("42");
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test_step.dependOn(&run.step);
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const check = exe.checkObject();
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check.checkInHeaders();
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check.checkExact("segname __TEXT");
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check.checkExtract("vmaddr {vmaddr}");
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check.checkInHeaders();
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check.checkExact("cmd MAIN");
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check.checkExtract("entryoff {entryoff}");
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check.checkInSymtab();
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check.checkExtract("{n_value} (__TEXT,__text) external _non_main");
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check.checkComputeCompare("vmaddr entryoff +", .{ .op = .eq, .value = .{ .variable = "n_value" } });
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test_step.dependOn(&check.step);
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return test_step;
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}
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fn testEntryPointArchive(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-entry-point-archive", opts);
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const lib = addStaticLibrary(b, opts, .{ .name = "main", .c_source_bytes = "int main() { return 0; }" });
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{
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const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "" });
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exe.root_module.linkSystemLibrary("main", .{});
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exe.root_module.addLibraryPath(lib.getEmittedBinDirectory());
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const run = addRunArtifact(exe);
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run.expectExitCode(0);
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test_step.dependOn(&run.step);
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}
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{
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const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "" });
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exe.root_module.linkSystemLibrary("main", .{});
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exe.root_module.addLibraryPath(lib.getEmittedBinDirectory());
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exe.link_gc_sections = true;
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const run = addRunArtifact(exe);
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run.expectExitCode(0);
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test_step.dependOn(&run.step);
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}
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return test_step;
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}
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fn testEntryPointDylib(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-entry-point-dylib", opts);
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const dylib = addSharedLibrary(b, opts, .{ .name = "a" });
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addCSourceBytes(dylib,
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\\extern int my_main();
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\\int bootstrap() {
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\\ return my_main();
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\\}
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, &.{});
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dylib.linker_allow_shlib_undefined = true;
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const exe = addExecutable(b, opts, .{ .name = "main" });
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addCSourceBytes(dylib,
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\\#include<stdio.h>
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\\int my_main() {
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\\ fprintf(stdout, "Hello!\n");
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\\ return 0;
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\\}
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, &.{});
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exe.linkLibrary(dylib);
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exe.entry = .{ .symbol_name = "_bootstrap" };
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exe.forceUndefinedSymbol("_my_main");
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const check = exe.checkObject();
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check.checkInHeaders();
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check.checkExact("segname __TEXT");
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check.checkExtract("vmaddr {text_vmaddr}");
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check.checkInHeaders();
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check.checkExact("sectname __stubs");
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check.checkExtract("addr {stubs_vmaddr}");
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check.checkInHeaders();
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check.checkExact("sectname __stubs");
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check.checkExtract("size {stubs_vmsize}");
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check.checkInHeaders();
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check.checkExact("cmd MAIN");
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check.checkExtract("entryoff {entryoff}");
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check.checkComputeCompare("text_vmaddr entryoff +", .{
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.op = .gte,
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.value = .{ .variable = "stubs_vmaddr" }, // The entrypoint should be a synthetic stub
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});
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check.checkComputeCompare("text_vmaddr entryoff + stubs_vmaddr -", .{
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.op = .lt,
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.value = .{ .variable = "stubs_vmsize" }, // The entrypoint should be a synthetic stub
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});
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test_step.dependOn(&check.step);
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const run = addRunArtifact(exe);
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run.expectStdOutEqual("Hello!\n");
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test_step.dependOn(&run.step);
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return test_step;
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}
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fn testHeaderpad(b: *Build, opts: Options) *Step {
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const test_step = addTestStep(b, "macho-headerpad", opts);
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const addExe = struct {
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fn addExe(bb: *Build, o: Options, name: []const u8) *Compile {
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const exe = addExecutable(bb, o, .{
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.name = name,
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.c_source_bytes = "int main() { return 0; }",
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});
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exe.root_module.linkFramework("CoreFoundation", .{});
|
|
exe.root_module.linkFramework("Foundation", .{});
|
|
exe.root_module.linkFramework("Cocoa", .{});
|
|
exe.root_module.linkFramework("CoreGraphics", .{});
|
|
exe.root_module.linkFramework("CoreHaptics", .{});
|
|
exe.root_module.linkFramework("CoreAudio", .{});
|
|
exe.root_module.linkFramework("AVFoundation", .{});
|
|
exe.root_module.linkFramework("CoreImage", .{});
|
|
exe.root_module.linkFramework("CoreLocation", .{});
|
|
exe.root_module.linkFramework("CoreML", .{});
|
|
exe.root_module.linkFramework("CoreVideo", .{});
|
|
exe.root_module.linkFramework("CoreText", .{});
|
|
exe.root_module.linkFramework("CryptoKit", .{});
|
|
exe.root_module.linkFramework("GameKit", .{});
|
|
exe.root_module.linkFramework("SwiftUI", .{});
|
|
exe.root_module.linkFramework("StoreKit", .{});
|
|
exe.root_module.linkFramework("SpriteKit", .{});
|
|
return exe;
|
|
}
|
|
}.addExe;
|
|
|
|
{
|
|
const exe = addExe(b, opts, "main1");
|
|
exe.headerpad_max_install_names = true;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("sectname __text");
|
|
check.checkExtract("offset {offset}");
|
|
switch (opts.target.result.cpu.arch) {
|
|
.aarch64 => check.checkComputeCompare("offset", .{ .op = .gte, .value = .{ .literal = 0x4000 } }),
|
|
.x86_64 => check.checkComputeCompare("offset", .{ .op = .gte, .value = .{ .literal = 0x1000 } }),
|
|
else => unreachable,
|
|
}
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExe(b, opts, "main2");
|
|
exe.headerpad_size = 0x10000;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("sectname __text");
|
|
check.checkExtract("offset {offset}");
|
|
check.checkComputeCompare("offset", .{ .op = .gte, .value = .{ .literal = 0x10000 } });
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExe(b, opts, "main3");
|
|
exe.headerpad_max_install_names = true;
|
|
exe.headerpad_size = 0x10000;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("sectname __text");
|
|
check.checkExtract("offset {offset}");
|
|
check.checkComputeCompare("offset", .{ .op = .gte, .value = .{ .literal = 0x10000 } });
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExe(b, opts, "main4");
|
|
exe.headerpad_max_install_names = true;
|
|
exe.headerpad_size = 0x1000;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("sectname __text");
|
|
check.checkExtract("offset {offset}");
|
|
switch (opts.target.result.cpu.arch) {
|
|
.aarch64 => check.checkComputeCompare("offset", .{ .op = .gte, .value = .{ .literal = 0x4000 } }),
|
|
.x86_64 => check.checkComputeCompare("offset", .{ .op = .gte, .value = .{ .literal = 0x1000 } }),
|
|
else => unreachable,
|
|
}
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
// Adapted from https://github.com/llvm/llvm-project/blob/main/lld/test/MachO/weak-header-flags.s
|
|
fn testHeaderWeakFlags(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-header-weak-flags", opts);
|
|
|
|
const obj1 = addObject(b, opts, .{ .name = "a", .asm_source_bytes =
|
|
\\.globl _x
|
|
\\.weak_definition _x
|
|
\\_x:
|
|
\\ ret
|
|
});
|
|
|
|
const lib = addSharedLibrary(b, opts, .{ .name = "a" });
|
|
lib.addObject(obj1);
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main1", .c_source_bytes = "int main() { return 0; }" });
|
|
exe.addObject(obj1);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("header");
|
|
check.checkContains("WEAK_DEFINES");
|
|
check.checkInHeaders();
|
|
check.checkExact("header");
|
|
check.checkContains("BINDS_TO_WEAK");
|
|
check.checkInExports();
|
|
check.checkExtract("[WEAK] {vmaddr} _x");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const obj = addObject(b, opts, .{ .name = "b" });
|
|
|
|
switch (opts.target.result.cpu.arch) {
|
|
.aarch64 => addAsmSourceBytes(obj,
|
|
\\.globl _main
|
|
\\_main:
|
|
\\ bl _x
|
|
\\ ret
|
|
),
|
|
.x86_64 => addAsmSourceBytes(obj,
|
|
\\.globl _main
|
|
\\_main:
|
|
\\ callq _x
|
|
\\ ret
|
|
),
|
|
else => unreachable,
|
|
}
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main2" });
|
|
exe.linkLibrary(lib);
|
|
exe.addObject(obj);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("header");
|
|
check.checkNotPresent("WEAK_DEFINES");
|
|
check.checkInHeaders();
|
|
check.checkExact("header");
|
|
check.checkContains("BINDS_TO_WEAK");
|
|
check.checkInExports();
|
|
check.checkNotPresent("[WEAK] {vmaddr} _x");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main3", .asm_source_bytes =
|
|
\\.globl _main, _x
|
|
\\_x:
|
|
\\
|
|
\\_main:
|
|
\\ ret
|
|
});
|
|
exe.linkLibrary(lib);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("header");
|
|
check.checkNotPresent("WEAK_DEFINES");
|
|
check.checkInHeaders();
|
|
check.checkExact("header");
|
|
check.checkNotPresent("BINDS_TO_WEAK");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testHelloC(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-hello-c", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\int main() {
|
|
\\ printf("Hello world!\n");
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("Hello world!\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("header");
|
|
check.checkContains("PIE");
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testHelloZig(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-hello-zig", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .zig_source_bytes =
|
|
\\const std = @import("std");
|
|
\\pub fn main() void {
|
|
\\ std.io.getStdOut().writer().print("Hello world!\n", .{}) catch unreachable;
|
|
\\}
|
|
});
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("Hello world!\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testLargeBss(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-large-bss", opts);
|
|
|
|
// TODO this test used use a 4GB zerofill section but this actually fails and causes every
|
|
// linker I tried misbehave in different ways. This only happened on arm64. I thought that
|
|
// maybe S_GB_ZEROFILL section is an answer to this but it doesn't seem supported by dyld
|
|
// anymore. When I get some free time I will re-investigate this.
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\char arr[0x1000000];
|
|
\\int main() {
|
|
\\ return arr[2000];
|
|
\\}
|
|
});
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testLayout(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-layout", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\int main() {
|
|
\\ printf("Hello world!");
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd SEGMENT_64");
|
|
check.checkExact("segname __LINKEDIT");
|
|
check.checkExtract("fileoff {fileoff}");
|
|
check.checkExtract("filesz {filesz}");
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd DYLD_INFO_ONLY");
|
|
check.checkExtract("rebaseoff {rebaseoff}");
|
|
check.checkExtract("rebasesize {rebasesize}");
|
|
check.checkExtract("bindoff {bindoff}");
|
|
check.checkExtract("bindsize {bindsize}");
|
|
check.checkExtract("lazybindoff {lazybindoff}");
|
|
check.checkExtract("lazybindsize {lazybindsize}");
|
|
check.checkExtract("exportoff {exportoff}");
|
|
check.checkExtract("exportsize {exportsize}");
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd FUNCTION_STARTS");
|
|
check.checkExtract("dataoff {fstartoff}");
|
|
check.checkExtract("datasize {fstartsize}");
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd DATA_IN_CODE");
|
|
check.checkExtract("dataoff {diceoff}");
|
|
check.checkExtract("datasize {dicesize}");
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd SYMTAB");
|
|
check.checkExtract("symoff {symoff}");
|
|
check.checkExtract("nsyms {symnsyms}");
|
|
check.checkExtract("stroff {stroff}");
|
|
check.checkExtract("strsize {strsize}");
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd DYSYMTAB");
|
|
check.checkExtract("indirectsymoff {dysymoff}");
|
|
check.checkExtract("nindirectsyms {dysymnsyms}");
|
|
|
|
switch (opts.target.result.cpu.arch) {
|
|
.aarch64 => {
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd CODE_SIGNATURE");
|
|
check.checkExtract("dataoff {codesigoff}");
|
|
check.checkExtract("datasize {codesigsize}");
|
|
},
|
|
.x86_64 => {},
|
|
else => unreachable,
|
|
}
|
|
|
|
// DYLD_INFO_ONLY subsections are in order: rebase < bind < lazy < export,
|
|
// and there are no gaps between them
|
|
check.checkComputeCompare("rebaseoff rebasesize +", .{ .op = .eq, .value = .{ .variable = "bindoff" } });
|
|
check.checkComputeCompare("bindoff bindsize +", .{ .op = .eq, .value = .{ .variable = "lazybindoff" } });
|
|
check.checkComputeCompare("lazybindoff lazybindsize +", .{ .op = .eq, .value = .{ .variable = "exportoff" } });
|
|
|
|
// FUNCTION_STARTS directly follows DYLD_INFO_ONLY (no gap)
|
|
check.checkComputeCompare("exportoff exportsize +", .{ .op = .eq, .value = .{ .variable = "fstartoff" } });
|
|
|
|
// DATA_IN_CODE directly follows FUNCTION_STARTS (no gap)
|
|
check.checkComputeCompare("fstartoff fstartsize +", .{ .op = .eq, .value = .{ .variable = "diceoff" } });
|
|
|
|
// SYMTAB directly follows DATA_IN_CODE (no gap)
|
|
check.checkComputeCompare("diceoff dicesize +", .{ .op = .eq, .value = .{ .variable = "symoff" } });
|
|
|
|
// DYSYMTAB directly follows SYMTAB (no gap)
|
|
check.checkComputeCompare("symnsyms 16 symoff * +", .{ .op = .eq, .value = .{ .variable = "dysymoff" } });
|
|
|
|
// STRTAB follows DYSYMTAB with possible gap
|
|
check.checkComputeCompare("dysymnsyms 4 dysymoff * +", .{ .op = .lte, .value = .{ .variable = "stroff" } });
|
|
|
|
// all LINKEDIT sections apart from CODE_SIGNATURE are 8-bytes aligned
|
|
check.checkComputeCompare("rebaseoff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("bindoff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("lazybindoff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("exportoff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("fstartoff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("diceoff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("symoff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("stroff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("dysymoff 8 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
|
|
switch (opts.target.result.cpu.arch) {
|
|
.aarch64 => {
|
|
// LINKEDIT segment does not extend beyond, or does not include, CODE_SIGNATURE data
|
|
check.checkComputeCompare("fileoff filesz codesigoff codesigsize + - -", .{
|
|
.op = .eq,
|
|
.value = .{ .literal = 0 },
|
|
});
|
|
|
|
// CODE_SIGNATURE data offset is 16-bytes aligned
|
|
check.checkComputeCompare("codesigoff 16 %", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
},
|
|
.x86_64 => {
|
|
// LINKEDIT segment does not extend beyond, or does not include, strtab data
|
|
check.checkComputeCompare("fileoff filesz stroff strsize + - -", .{
|
|
.op = .eq,
|
|
.value = .{ .literal = 0 },
|
|
});
|
|
},
|
|
else => unreachable,
|
|
}
|
|
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("Hello world!");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testLinkDirectlyCppTbd(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-link-directly-cpp-tbd", opts);
|
|
|
|
const sdk = std.zig.system.darwin.getSdk(b.allocator, opts.target.result) orelse
|
|
@panic("macOS SDK is required to run the test");
|
|
|
|
const exe = addExecutable(b, opts, .{
|
|
.name = "main",
|
|
.cpp_source_bytes =
|
|
\\#include <new>
|
|
\\#include <cstdio>
|
|
\\int main() {
|
|
\\ int *x = new int;
|
|
\\ *x = 5;
|
|
\\ fprintf(stderr, "x: %d\n", *x);
|
|
\\ delete x;
|
|
\\}
|
|
,
|
|
.cpp_source_flags = &.{ "-nostdlib++", "-nostdinc++" },
|
|
});
|
|
exe.root_module.addSystemIncludePath(.{ .path = b.pathJoin(&.{ sdk, "/usr/include" }) });
|
|
exe.root_module.addIncludePath(.{ .path = b.pathJoin(&.{ sdk, "/usr/include/c++/v1" }) });
|
|
exe.root_module.addObjectFile(.{ .path = b.pathJoin(&.{ sdk, "/usr/lib/libc++.tbd" }) });
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("[referenced dynamically] external __mh_execute_header");
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testLinksection(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-linksection", opts);
|
|
|
|
const obj = addObject(b, opts, .{ .name = "main", .zig_source_bytes =
|
|
\\export var test_global: u32 linksection("__DATA,__TestGlobal") = undefined;
|
|
\\export fn testFn() linksection("__TEXT,__TestFn") callconv(.C) void {
|
|
\\ testGenericFn("A");
|
|
\\}
|
|
\\fn testGenericFn(comptime suffix: []const u8) linksection("__TEXT,__TestGenFn" ++ suffix) void {}
|
|
});
|
|
|
|
const check = obj.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("(__DATA,__TestGlobal) external _test_global");
|
|
check.checkInSymtab();
|
|
check.checkContains("(__TEXT,__TestFn) external _testFn");
|
|
|
|
if (opts.optimize == .Debug) {
|
|
check.checkInSymtab();
|
|
check.checkContains("(__TEXT,__TestGenFnA) _a.testGenericFn__anon_");
|
|
}
|
|
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testMhExecuteHeader(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-mh-execute-header", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main() { return 0; }" });
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("[referenced dynamically] external __mh_execute_header");
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testNoDeadStrip(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-no-dead-strip", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "name", .c_source_bytes =
|
|
\\__attribute__((used)) int bogus1 = 0;
|
|
\\int bogus2 = 0;
|
|
\\int foo = 42;
|
|
\\int main() {
|
|
\\ return foo - 42;
|
|
\\}
|
|
});
|
|
exe.link_gc_sections = true;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("external _bogus1");
|
|
check.checkInSymtab();
|
|
check.checkNotPresent("external _bogus2");
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testNoExportsDylib(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-no-exports-dylib", opts);
|
|
|
|
const dylib = addSharedLibrary(b, opts, .{ .name = "a", .c_source_bytes = "static void abc() {}" });
|
|
|
|
const check = dylib.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkNotPresent("external _abc");
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testNeededFramework(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-needed-framework", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main() { return 0; }" });
|
|
exe.root_module.linkFramework("Cocoa", .{ .needed = true });
|
|
exe.dead_strip_dylibs = true;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd LOAD_DYLIB");
|
|
check.checkContains("Cocoa");
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testNeededLibrary(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-needed-library", opts);
|
|
|
|
const dylib = addSharedLibrary(b, opts, .{ .name = "a", .c_source_bytes = "int a = 42;" });
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main() { return 0; }" });
|
|
exe.root_module.linkSystemLibrary("a", .{ .needed = true });
|
|
exe.root_module.addLibraryPath(dylib.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(dylib.getEmittedBinDirectory());
|
|
exe.dead_strip_dylibs = true;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd LOAD_DYLIB");
|
|
check.checkContains("liba.dylib");
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testObjc(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-objc", opts);
|
|
|
|
const lib = addStaticLibrary(b, opts, .{ .name = "a", .objc_source_bytes =
|
|
\\#import <Foundation/Foundation.h>
|
|
\\@interface Foo : NSObject
|
|
\\@end
|
|
\\@implementation Foo
|
|
\\@end
|
|
});
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main() { return 0; }" });
|
|
exe.root_module.linkSystemLibrary("a", .{});
|
|
exe.root_module.linkFramework("Foundation", .{});
|
|
exe.root_module.addLibraryPath(lib.getEmittedBinDirectory());
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkNotPresent("_OBJC_");
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main2", .c_source_bytes = "int main() { return 0; }" });
|
|
exe.root_module.linkSystemLibrary("a", .{});
|
|
exe.root_module.linkFramework("Foundation", .{});
|
|
exe.root_module.addLibraryPath(lib.getEmittedBinDirectory());
|
|
exe.force_load_objc = true;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("_OBJC_");
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testObjcpp(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-objcpp", opts);
|
|
|
|
const foo_h = foo_h: {
|
|
const wf = WriteFile.create(b);
|
|
break :foo_h wf.add("Foo.h",
|
|
\\#import <Foundation/Foundation.h>
|
|
\\@interface Foo : NSObject
|
|
\\- (NSString *)name;
|
|
\\@end
|
|
);
|
|
};
|
|
|
|
const foo_o = addObject(b, opts, .{ .name = "foo", .objcpp_source_bytes =
|
|
\\#import "Foo.h"
|
|
\\@implementation Foo
|
|
\\- (NSString *)name
|
|
\\{
|
|
\\ NSString *str = [[NSString alloc] initWithFormat:@"Zig"];
|
|
\\ return str;
|
|
\\}
|
|
\\@end
|
|
});
|
|
foo_o.root_module.addIncludePath(foo_h.dirname());
|
|
foo_o.linkLibCpp();
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .objcpp_source_bytes =
|
|
\\#import "Foo.h"
|
|
\\#import <assert.h>
|
|
\\#include <iostream>
|
|
\\int main(int argc, char *argv[])
|
|
\\{
|
|
\\ @autoreleasepool {
|
|
\\ Foo *foo = [[Foo alloc] init];
|
|
\\ NSString *result = [foo name];
|
|
\\ std::cout << "Hello from C++ and " << [result UTF8String];
|
|
\\ assert([result isEqualToString:@"Zig"]);
|
|
\\ return 0;
|
|
\\ }
|
|
\\}
|
|
});
|
|
exe.root_module.addIncludePath(foo_h.dirname());
|
|
exe.addObject(foo_o);
|
|
exe.linkLibCpp();
|
|
exe.root_module.linkFramework("Foundation", .{});
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("Hello from C++ and Zig");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testPagezeroSize(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-pagezero-size", opts);
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main () { return 0; }" });
|
|
exe.pagezero_size = 0x4000;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("LC 0");
|
|
check.checkExact("segname __PAGEZERO");
|
|
check.checkExact("vmaddr 0");
|
|
check.checkExact("vmsize 4000");
|
|
check.checkInHeaders();
|
|
check.checkExact("segname __TEXT");
|
|
check.checkExact("vmaddr 4000");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main () { return 0; }" });
|
|
exe.pagezero_size = 0;
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("LC 0");
|
|
check.checkExact("segname __TEXT");
|
|
check.checkExact("vmaddr 0");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testReexportsZig(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-reexports-zig", opts);
|
|
|
|
const lib = addStaticLibrary(b, opts, .{ .name = "a", .zig_source_bytes =
|
|
\\const x: i32 = 42;
|
|
\\export fn foo() i32 {
|
|
\\ return x;
|
|
\\}
|
|
\\comptime {
|
|
\\ @export(foo, .{ .name = "bar", .linkage = .Strong });
|
|
\\}
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\extern int foo();
|
|
\\extern int bar();
|
|
\\int main() {
|
|
\\ return bar() - foo();
|
|
\\}
|
|
});
|
|
exe.linkLibrary(lib);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testRelocatable(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-relocatable", opts);
|
|
|
|
const a_o = addObject(b, opts, .{ .name = "a", .cpp_source_bytes =
|
|
\\#include <stdexcept>
|
|
\\int try_me() {
|
|
\\ throw std::runtime_error("Oh no!");
|
|
\\}
|
|
});
|
|
a_o.linkLibCpp();
|
|
|
|
const b_o = addObject(b, opts, .{ .name = "b", .cpp_source_bytes =
|
|
\\extern int try_me();
|
|
\\int try_again() {
|
|
\\ return try_me();
|
|
\\}
|
|
});
|
|
|
|
const main_o = addObject(b, opts, .{ .name = "main", .cpp_source_bytes =
|
|
\\#include <iostream>
|
|
\\#include <stdexcept>
|
|
\\extern int try_again();
|
|
\\int main() {
|
|
\\ try {
|
|
\\ try_again();
|
|
\\ } catch (const std::exception &e) {
|
|
\\ std::cout << "exception=" << e.what();
|
|
\\ }
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
main_o.linkLibCpp();
|
|
|
|
const exp_stdout = "exception=Oh no!";
|
|
|
|
{
|
|
const c_o = addObject(b, opts, .{ .name = "c" });
|
|
c_o.addObject(a_o);
|
|
c_o.addObject(b_o);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main1" });
|
|
exe.addObject(main_o);
|
|
exe.addObject(c_o);
|
|
exe.linkLibCpp();
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual(exp_stdout);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
{
|
|
const d_o = addObject(b, opts, .{ .name = "d" });
|
|
d_o.addObject(a_o);
|
|
d_o.addObject(b_o);
|
|
d_o.addObject(main_o);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main2" });
|
|
exe.addObject(d_o);
|
|
exe.linkLibCpp();
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual(exp_stdout);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testRelocatableZig(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-relocatable-zig", opts);
|
|
|
|
const a_o = addObject(b, opts, .{ .name = "a", .zig_source_bytes =
|
|
\\const std = @import("std");
|
|
\\export var foo: i32 = 0;
|
|
\\export fn incrFoo() void {
|
|
\\ foo += 1;
|
|
\\ std.debug.print("incrFoo={d}\n", .{foo});
|
|
\\}
|
|
});
|
|
|
|
const b_o = addObject(b, opts, .{ .name = "b", .zig_source_bytes =
|
|
\\const std = @import("std");
|
|
\\extern var foo: i32;
|
|
\\export fn decrFoo() void {
|
|
\\ foo -= 1;
|
|
\\ std.debug.print("decrFoo={d}\n", .{foo});
|
|
\\}
|
|
});
|
|
|
|
const main_o = addObject(b, opts, .{ .name = "main", .zig_source_bytes =
|
|
\\const std = @import("std");
|
|
\\extern var foo: i32;
|
|
\\extern fn incrFoo() void;
|
|
\\extern fn decrFoo() void;
|
|
\\pub fn main() void {
|
|
\\ const init = foo;
|
|
\\ incrFoo();
|
|
\\ decrFoo();
|
|
\\ if (init == foo) @panic("Oh no!");
|
|
\\}
|
|
});
|
|
|
|
const c_o = addObject(b, opts, .{ .name = "c" });
|
|
c_o.addObject(a_o);
|
|
c_o.addObject(b_o);
|
|
c_o.addObject(main_o);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main" });
|
|
exe.addObject(c_o);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.addCheck(.{ .expect_stderr_match = b.dupe("incrFoo=1") });
|
|
run.addCheck(.{ .expect_stderr_match = b.dupe("decrFoo=0") });
|
|
if (opts.use_llvm) {
|
|
// TODO: enable this once self-hosted can print panics and stack traces
|
|
run.addCheck(.{ .expect_stderr_match = b.dupe("panic: Oh no!") });
|
|
}
|
|
if (builtin.os.tag == .macos) {
|
|
const signal: u32 = if (opts.use_llvm) std.os.darwin.SIG.ABRT else std.os.darwin.SIG.TRAP;
|
|
run.addCheck(.{ .expect_term = .{ .Signal = signal } });
|
|
}
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testSearchStrategy(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-search-strategy", opts);
|
|
|
|
const obj = addObject(b, opts, .{ .name = "a", .c_source_bytes =
|
|
\\#include<stdio.h>
|
|
\\char world[] = "world";
|
|
\\char* hello() {
|
|
\\ return "Hello";
|
|
\\}
|
|
});
|
|
|
|
const liba = addStaticLibrary(b, opts, .{ .name = "a" });
|
|
liba.addObject(obj);
|
|
|
|
const dylib = addSharedLibrary(b, opts, .{ .name = "a" });
|
|
dylib.addObject(obj);
|
|
|
|
const main_o = addObject(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include<stdio.h>
|
|
\\char* hello();
|
|
\\extern char world[];
|
|
\\int main() {
|
|
\\ printf("%s %s", hello(), world);
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main" });
|
|
exe.addObject(main_o);
|
|
exe.root_module.linkSystemLibrary("a", .{ .use_pkg_config = .no, .search_strategy = .mode_first });
|
|
exe.root_module.addLibraryPath(liba.getEmittedBinDirectory());
|
|
exe.root_module.addLibraryPath(dylib.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(dylib.getEmittedBinDirectory());
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("Hello world");
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd LOAD_DYLIB");
|
|
check.checkContains("liba.dylib");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main" });
|
|
exe.addObject(main_o);
|
|
exe.root_module.linkSystemLibrary("a", .{ .use_pkg_config = .no, .search_strategy = .paths_first });
|
|
exe.root_module.addLibraryPath(liba.getEmittedBinDirectory());
|
|
exe.root_module.addLibraryPath(dylib.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(dylib.getEmittedBinDirectory());
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("Hello world");
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd LOAD_DYLIB");
|
|
check.checkNotPresent("liba.dylib");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testSectionBoundarySymbols(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-section-boundary-symbols", opts);
|
|
|
|
const obj1 = addObject(b, opts, .{
|
|
.name = "obj1",
|
|
.cpp_source_bytes =
|
|
\\constexpr const char* MESSAGE __attribute__((used, section("__DATA_CONST,__message_ptr"))) = "codebase";
|
|
,
|
|
});
|
|
|
|
const main_o = addObject(b, opts, .{
|
|
.name = "main",
|
|
.zig_source_bytes =
|
|
\\const std = @import("std");
|
|
\\extern fn interop() ?[*:0]const u8;
|
|
\\pub fn main() !void {
|
|
\\ std.debug.print("All your {s} are belong to us.\n", .{
|
|
\\ if (interop()) |ptr| std.mem.span(ptr) else "(null)",
|
|
\\ });
|
|
\\}
|
|
,
|
|
});
|
|
|
|
{
|
|
const obj2 = addObject(b, opts, .{
|
|
.name = "obj2",
|
|
.cpp_source_bytes =
|
|
\\extern const char* message_pointer __asm("section$start$__DATA_CONST$__message_ptr");
|
|
\\extern "C" const char* interop() {
|
|
\\ return message_pointer;
|
|
\\}
|
|
,
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "test" });
|
|
exe.addObject(obj1);
|
|
exe.addObject(obj2);
|
|
exe.addObject(main_o);
|
|
|
|
const run = b.addRunArtifact(exe);
|
|
run.skip_foreign_checks = true;
|
|
run.expectStdErrEqual("All your codebase are belong to us.\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkNotPresent("external section$start$__DATA_CONST$__message_ptr");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const obj3 = addObject(b, opts, .{
|
|
.name = "obj3",
|
|
.cpp_source_bytes =
|
|
\\extern const char* message_pointer __asm("section$start$__DATA_CONST$__not_present");
|
|
\\extern "C" const char* interop() {
|
|
\\ return message_pointer;
|
|
\\}
|
|
,
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "test" });
|
|
exe.addObject(obj1);
|
|
exe.addObject(obj3);
|
|
exe.addObject(main_o);
|
|
|
|
const run = b.addRunArtifact(exe);
|
|
run.skip_foreign_checks = true;
|
|
run.expectStdErrEqual("All your (null) are belong to us.\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkNotPresent("external section$start$__DATA_CONST$__not_present");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testSegmentBoundarySymbols(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-segment-boundary-symbols", opts);
|
|
|
|
const obj1 = addObject(b, opts, .{ .name = "a", .cpp_source_bytes =
|
|
\\constexpr const char* MESSAGE __attribute__((used, section("__DATA_CONST_1,__message_ptr"))) = "codebase";
|
|
});
|
|
|
|
const main_o = addObject(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\const char* interop();
|
|
\\int main() {
|
|
\\ printf("All your %s are belong to us.\n", interop());
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
|
|
{
|
|
const obj2 = addObject(b, opts, .{ .name = "b", .cpp_source_bytes =
|
|
\\extern const char* message_pointer __asm("segment$start$__DATA_CONST_1");
|
|
\\extern "C" const char* interop() {
|
|
\\ return message_pointer;
|
|
\\}
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main" });
|
|
exe.addObject(obj1);
|
|
exe.addObject(obj2);
|
|
exe.addObject(main_o);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("All your codebase are belong to us.\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkNotPresent("external segment$start$__DATA_CONST_1");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const obj2 = addObject(b, opts, .{ .name = "c", .cpp_source_bytes =
|
|
\\extern const char* message_pointer __asm("segment$start$__DATA_1");
|
|
\\extern "C" const char* interop() {
|
|
\\ return message_pointer;
|
|
\\}
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main2" });
|
|
exe.addObject(obj1);
|
|
exe.addObject(obj2);
|
|
exe.addObject(main_o);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd SEGMENT_64");
|
|
check.checkExact("segname __DATA_1");
|
|
check.checkExtract("vmsize {vmsize}");
|
|
check.checkExtract("filesz {filesz}");
|
|
check.checkComputeCompare("vmsize", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkComputeCompare("filesz", .{ .op = .eq, .value = .{ .literal = 0 } });
|
|
check.checkInSymtab();
|
|
check.checkNotPresent("external segment$start$__DATA_1");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testStackSize(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-stack-size", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main() { return 0; }" });
|
|
exe.stack_size = 0x100000000;
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd MAIN");
|
|
check.checkExact("stacksize 100000000");
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testTbdv3(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-tbdv3", opts);
|
|
|
|
const dylib = addSharedLibrary(b, opts, .{ .name = "a", .c_source_bytes = "int getFoo() { return 42; }" });
|
|
|
|
const tbd = tbd: {
|
|
const wf = WriteFile.create(b);
|
|
break :tbd wf.add("liba.tbd",
|
|
\\--- !tapi-tbd-v3
|
|
\\archs: [ arm64, x86_64 ]
|
|
\\uuids: [ 'arm64: DEADBEEF', 'x86_64: BEEFDEAD' ]
|
|
\\platform: macos
|
|
\\install-name: @rpath/liba.dylib
|
|
\\current-version: 0
|
|
\\exports:
|
|
\\ - archs: [ arm64, x86_64 ]
|
|
\\ symbols: [ _getFoo ]
|
|
);
|
|
};
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\int getFoo();
|
|
\\int main() {
|
|
\\ return getFoo() - 42;
|
|
\\}
|
|
});
|
|
exe.root_module.linkSystemLibrary("a", .{});
|
|
exe.root_module.addLibraryPath(tbd.dirname());
|
|
exe.root_module.addRPath(dylib.getEmittedBinDirectory());
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testTentative(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-tentative", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main" });
|
|
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"});
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("0 5 42\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testThunks(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-thunks", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\__attribute__((aligned(0x8000000))) int bar() {
|
|
\\ return 42;
|
|
\\}
|
|
\\int foobar();
|
|
\\int foo() {
|
|
\\ return bar() - foobar();
|
|
\\}
|
|
\\__attribute__((aligned(0x8000000))) int foobar() {
|
|
\\ return 42;
|
|
\\}
|
|
\\int main() {
|
|
\\ printf("bar=%d, foo=%d, foobar=%d", bar(), foo(), foobar());
|
|
\\ return foo();
|
|
\\}
|
|
});
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("bar=42, foo=0, foobar=42");
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testTls(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-tls", opts);
|
|
|
|
const dylib = addSharedLibrary(b, opts, .{ .name = "a", .c_source_bytes =
|
|
\\_Thread_local int a;
|
|
\\int getA() {
|
|
\\ return a;
|
|
\\}
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include<stdio.h>
|
|
\\extern _Thread_local int a;
|
|
\\extern int getA();
|
|
\\int getA2() {
|
|
\\ return a;
|
|
\\}
|
|
\\int main() {
|
|
\\ a = 2;
|
|
\\ printf("%d %d %d", a, getA(), getA2());
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
exe.root_module.linkSystemLibrary("a", .{});
|
|
exe.root_module.addLibraryPath(dylib.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(dylib.getEmittedBinDirectory());
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("2 2 2");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testTlsLargeTbss(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-tls-large-tbss", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\_Thread_local int x[0x8000];
|
|
\\_Thread_local int y[0x8000];
|
|
\\int main() {
|
|
\\ x[0] = 3;
|
|
\\ x[0x7fff] = 5;
|
|
\\ printf("%d %d %d %d %d %d\n", x[0], x[1], x[0x7fff], y[0], y[1], y[0x7fff]);
|
|
\\}
|
|
});
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("3 0 5 0 0 0\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testTwoLevelNamespace(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-two-level-namespace", opts);
|
|
|
|
const liba = addSharedLibrary(b, opts, .{ .name = "a", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\int foo = 1;
|
|
\\int* ptr_to_foo = &foo;
|
|
\\int getFoo() {
|
|
\\ return foo;
|
|
\\}
|
|
\\void printInA() {
|
|
\\ printf("liba: getFoo()=%d, ptr_to_foo=%d\n", getFoo(), *ptr_to_foo);
|
|
\\}
|
|
});
|
|
|
|
{
|
|
const check = liba.checkObject();
|
|
check.checkInDyldLazyBind();
|
|
check.checkNotPresent("(flat lookup) _getFoo");
|
|
check.checkInIndirectSymtab();
|
|
check.checkNotPresent("_getFoo");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
const libb = addSharedLibrary(b, opts, .{ .name = "b", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\int foo = 2;
|
|
\\int* ptr_to_foo = &foo;
|
|
\\int getFoo() {
|
|
\\ return foo;
|
|
\\}
|
|
\\void printInB() {
|
|
\\ printf("libb: getFoo()=%d, ptr_to_foo=%d\n", getFoo(), *ptr_to_foo);
|
|
\\}
|
|
});
|
|
|
|
{
|
|
const check = libb.checkObject();
|
|
check.checkInDyldLazyBind();
|
|
check.checkNotPresent("(flat lookup) _getFoo");
|
|
check.checkInIndirectSymtab();
|
|
check.checkNotPresent("_getFoo");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
const main_o = addObject(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\int getFoo();
|
|
\\extern int* ptr_to_foo;
|
|
\\void printInA();
|
|
\\void printInB();
|
|
\\int main() {
|
|
\\ printf("main: getFoo()=%d, ptr_to_foo=%d\n", getFoo(), *ptr_to_foo);
|
|
\\ printInA();
|
|
\\ printInB();
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main1" });
|
|
exe.addObject(main_o);
|
|
exe.root_module.linkSystemLibrary("a", .{});
|
|
exe.root_module.linkSystemLibrary("b", .{});
|
|
exe.root_module.addLibraryPath(liba.getEmittedBinDirectory());
|
|
exe.root_module.addLibraryPath(libb.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(liba.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(libb.getEmittedBinDirectory());
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) external _getFoo (from liba)");
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) external _printInA (from liba)");
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) external _printInB (from libb)");
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual(
|
|
\\main: getFoo()=1, ptr_to_foo=1
|
|
\\liba: getFoo()=1, ptr_to_foo=1
|
|
\\libb: getFoo()=2, ptr_to_foo=2
|
|
\\
|
|
);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main2" });
|
|
exe.addObject(main_o);
|
|
exe.root_module.linkSystemLibrary("b", .{});
|
|
exe.root_module.linkSystemLibrary("a", .{});
|
|
exe.root_module.addLibraryPath(liba.getEmittedBinDirectory());
|
|
exe.root_module.addLibraryPath(libb.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(liba.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(libb.getEmittedBinDirectory());
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) external _getFoo (from libb)");
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) external _printInA (from liba)");
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) external _printInB (from libb)");
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual(
|
|
\\main: getFoo()=2, ptr_to_foo=2
|
|
\\liba: getFoo()=1, ptr_to_foo=1
|
|
\\libb: getFoo()=2, ptr_to_foo=2
|
|
\\
|
|
);
|
|
test_step.dependOn(&run.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testUndefinedFlag(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-undefined-flag", opts);
|
|
|
|
const obj = addObject(b, opts, .{ .name = "a", .c_source_bytes = "int foo = 42;" });
|
|
|
|
const lib = addStaticLibrary(b, opts, .{ .name = "a" });
|
|
lib.addObject(obj);
|
|
|
|
const main_o = addObject(b, opts, .{ .name = "main", .c_source_bytes = "int main() { return 0; }" });
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main1" });
|
|
exe.addObject(main_o);
|
|
exe.linkLibrary(lib);
|
|
exe.forceUndefinedSymbol("_foo");
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("_foo");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main2" });
|
|
exe.addObject(main_o);
|
|
exe.linkLibrary(lib);
|
|
exe.forceUndefinedSymbol("_foo");
|
|
exe.link_gc_sections = true;
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("_foo");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main3" });
|
|
exe.addObject(main_o);
|
|
exe.addObject(obj);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("_foo");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
{
|
|
const exe = addExecutable(b, opts, .{ .name = "main4" });
|
|
exe.addObject(main_o);
|
|
exe.addObject(obj);
|
|
exe.link_gc_sections = true;
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkNotPresent("_foo");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testUnwindInfo(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-unwind-info", opts);
|
|
|
|
const all_h = all_h: {
|
|
const wf = WriteFile.create(b);
|
|
break :all_h wf.add("all.h",
|
|
\\#ifndef ALL
|
|
\\#define ALL
|
|
\\
|
|
\\#include <cstddef>
|
|
\\#include <string>
|
|
\\#include <stdexcept>
|
|
\\
|
|
\\struct SimpleString {
|
|
\\ SimpleString(size_t max_size);
|
|
\\ ~SimpleString();
|
|
\\
|
|
\\ void print(const char* tag) const;
|
|
\\ bool append_line(const char* x);
|
|
\\
|
|
\\private:
|
|
\\ size_t max_size;
|
|
\\ char* buffer;
|
|
\\ size_t length;
|
|
\\};
|
|
\\
|
|
\\struct SimpleStringOwner {
|
|
\\ SimpleStringOwner(const char* x);
|
|
\\ ~SimpleStringOwner();
|
|
\\
|
|
\\private:
|
|
\\ SimpleString string;
|
|
\\};
|
|
\\
|
|
\\class Error: public std::exception {
|
|
\\public:
|
|
\\ explicit Error(const char* msg) : msg{ msg } {}
|
|
\\ virtual ~Error() noexcept {}
|
|
\\ virtual const char* what() const noexcept {
|
|
\\ return msg.c_str();
|
|
\\ }
|
|
\\
|
|
\\protected:
|
|
\\ std::string msg;
|
|
\\};
|
|
\\
|
|
\\#endif
|
|
);
|
|
};
|
|
|
|
const main_o = addObject(b, opts, .{ .name = "main", .cpp_source_bytes =
|
|
\\#include "all.h"
|
|
\\#include <cstdio>
|
|
\\
|
|
\\void fn_c() {
|
|
\\ SimpleStringOwner c{ "cccccccccc" };
|
|
\\}
|
|
\\
|
|
\\void fn_b() {
|
|
\\ SimpleStringOwner b{ "b" };
|
|
\\ fn_c();
|
|
\\}
|
|
\\
|
|
\\int main() {
|
|
\\ try {
|
|
\\ SimpleStringOwner a{ "a" };
|
|
\\ fn_b();
|
|
\\ SimpleStringOwner d{ "d" };
|
|
\\ } catch (const Error& e) {
|
|
\\ printf("Error: %s\n", e.what());
|
|
\\ } catch(const std::exception& e) {
|
|
\\ printf("Exception: %s\n", e.what());
|
|
\\ }
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
main_o.root_module.addIncludePath(all_h.dirname());
|
|
main_o.linkLibCpp();
|
|
|
|
const simple_string_o = addObject(b, opts, .{ .name = "simple_string", .cpp_source_bytes =
|
|
\\#include "all.h"
|
|
\\#include <cstdio>
|
|
\\#include <cstring>
|
|
\\
|
|
\\SimpleString::SimpleString(size_t max_size)
|
|
\\: max_size{ max_size }, length{} {
|
|
\\ if (max_size == 0) {
|
|
\\ throw Error{ "Max size must be at least 1." };
|
|
\\ }
|
|
\\ buffer = new char[max_size];
|
|
\\ buffer[0] = 0;
|
|
\\}
|
|
\\
|
|
\\SimpleString::~SimpleString() {
|
|
\\ delete[] buffer;
|
|
\\}
|
|
\\
|
|
\\void SimpleString::print(const char* tag) const {
|
|
\\ printf("%s: %s", tag, buffer);
|
|
\\}
|
|
\\
|
|
\\bool SimpleString::append_line(const char* x) {
|
|
\\ const auto x_len = strlen(x);
|
|
\\ if (x_len + length + 2 > max_size) return false;
|
|
\\ std::strncpy(buffer + length, x, max_size - length);
|
|
\\ length += x_len;
|
|
\\ buffer[length++] = '\n';
|
|
\\ buffer[length] = 0;
|
|
\\ return true;
|
|
\\}
|
|
});
|
|
simple_string_o.root_module.addIncludePath(all_h.dirname());
|
|
simple_string_o.linkLibCpp();
|
|
|
|
const simple_string_owner_o = addObject(b, opts, .{ .name = "simple_string_owner", .cpp_source_bytes =
|
|
\\#include "all.h"
|
|
\\
|
|
\\SimpleStringOwner::SimpleStringOwner(const char* x) : string{ 10 } {
|
|
\\ if (!string.append_line(x)) {
|
|
\\ throw Error{ "Not enough memory!" };
|
|
\\ }
|
|
\\ string.print("Constructed");
|
|
\\}
|
|
\\
|
|
\\SimpleStringOwner::~SimpleStringOwner() {
|
|
\\ string.print("About to destroy");
|
|
\\}
|
|
});
|
|
simple_string_owner_o.root_module.addIncludePath(all_h.dirname());
|
|
simple_string_owner_o.linkLibCpp();
|
|
|
|
const exp_stdout =
|
|
\\Constructed: a
|
|
\\Constructed: b
|
|
\\About to destroy: b
|
|
\\About to destroy: a
|
|
\\Error: Not enough memory!
|
|
\\
|
|
;
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main" });
|
|
exe.addObject(main_o);
|
|
exe.addObject(simple_string_o);
|
|
exe.addObject(simple_string_owner_o);
|
|
exe.linkLibCpp();
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual(exp_stdout);
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkContains("(was private external) ___gxx_personality_v0");
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testUnwindInfoNoSubsectionsArm64(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-unwind-info-no-subsections-arm64", opts);
|
|
|
|
const a_o = addObject(b, opts, .{ .name = "a", .asm_source_bytes =
|
|
\\.globl _foo
|
|
\\.align 4
|
|
\\_foo:
|
|
\\ .cfi_startproc
|
|
\\ stp x29, x30, [sp, #-32]!
|
|
\\ .cfi_def_cfa_offset 32
|
|
\\ .cfi_offset w30, -24
|
|
\\ .cfi_offset w29, -32
|
|
\\ mov x29, sp
|
|
\\ .cfi_def_cfa w29, 32
|
|
\\ bl _bar
|
|
\\ ldp x29, x30, [sp], #32
|
|
\\ .cfi_restore w29
|
|
\\ .cfi_restore w30
|
|
\\ .cfi_def_cfa_offset 0
|
|
\\ ret
|
|
\\ .cfi_endproc
|
|
\\
|
|
\\.globl _bar
|
|
\\.align 4
|
|
\\_bar:
|
|
\\ .cfi_startproc
|
|
\\ sub sp, sp, #32
|
|
\\ .cfi_def_cfa_offset -32
|
|
\\ stp x29, x30, [sp, #16]
|
|
\\ .cfi_offset w30, -24
|
|
\\ .cfi_offset w29, -32
|
|
\\ mov x29, sp
|
|
\\ .cfi_def_cfa w29, 32
|
|
\\ mov w0, #4
|
|
\\ ldp x29, x30, [sp, #16]
|
|
\\ .cfi_restore w29
|
|
\\ .cfi_restore w30
|
|
\\ add sp, sp, #32
|
|
\\ .cfi_def_cfa_offset 0
|
|
\\ ret
|
|
\\ .cfi_endproc
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\int foo();
|
|
\\int main() {
|
|
\\ printf("%d\n", foo());
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
exe.addObject(a_o);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("4\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testUnwindInfoNoSubsectionsX64(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-unwind-info-no-subsections-x64", opts);
|
|
|
|
const a_o = addObject(b, opts, .{ .name = "a", .asm_source_bytes =
|
|
\\.globl _foo
|
|
\\_foo:
|
|
\\ .cfi_startproc
|
|
\\ push %rbp
|
|
\\ .cfi_def_cfa_offset 8
|
|
\\ .cfi_offset %rbp, -8
|
|
\\ mov %rsp, %rbp
|
|
\\ .cfi_def_cfa_register %rbp
|
|
\\ call _bar
|
|
\\ pop %rbp
|
|
\\ .cfi_restore %rbp
|
|
\\ .cfi_def_cfa_offset 0
|
|
\\ ret
|
|
\\ .cfi_endproc
|
|
\\
|
|
\\.globl _bar
|
|
\\_bar:
|
|
\\ .cfi_startproc
|
|
\\ push %rbp
|
|
\\ .cfi_def_cfa_offset 8
|
|
\\ .cfi_offset %rbp, -8
|
|
\\ mov %rsp, %rbp
|
|
\\ .cfi_def_cfa_register %rbp
|
|
\\ mov $4, %rax
|
|
\\ pop %rbp
|
|
\\ .cfi_restore %rbp
|
|
\\ .cfi_def_cfa_offset 0
|
|
\\ ret
|
|
\\ .cfi_endproc
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\int foo();
|
|
\\int main() {
|
|
\\ printf("%d\n", foo());
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
exe.addObject(a_o);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("4\n");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
// Adapted from https://github.com/llvm/llvm-project/blob/main/lld/test/MachO/weak-binding.s
|
|
fn testWeakBind(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-weak-bind", opts);
|
|
|
|
const lib = addSharedLibrary(b, opts, .{ .name = "foo", .asm_source_bytes =
|
|
\\.globl _weak_dysym
|
|
\\.weak_definition _weak_dysym
|
|
\\_weak_dysym:
|
|
\\ .quad 0x1234
|
|
\\
|
|
\\.globl _weak_dysym_for_gotpcrel
|
|
\\.weak_definition _weak_dysym_for_gotpcrel
|
|
\\_weak_dysym_for_gotpcrel:
|
|
\\ .quad 0x1234
|
|
\\
|
|
\\.globl _weak_dysym_fn
|
|
\\.weak_definition _weak_dysym_fn
|
|
\\_weak_dysym_fn:
|
|
\\ ret
|
|
\\
|
|
\\.section __DATA,__thread_vars,thread_local_variables
|
|
\\
|
|
\\.globl _weak_dysym_tlv
|
|
\\.weak_definition _weak_dysym_tlv
|
|
\\_weak_dysym_tlv:
|
|
\\ .quad 0x1234
|
|
});
|
|
|
|
{
|
|
const check = lib.checkObject();
|
|
check.checkInExports();
|
|
check.checkExtract("[WEAK] {vmaddr1} _weak_dysym");
|
|
check.checkExtract("[WEAK] {vmaddr2} _weak_dysym_for_gotpcrel");
|
|
check.checkExtract("[WEAK] {vmaddr3} _weak_dysym_fn");
|
|
check.checkExtract("[THREAD_LOCAL, WEAK] {vmaddr4} _weak_dysym_tlv");
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .asm_source_bytes =
|
|
\\.globl _main, _weak_external, _weak_external_for_gotpcrel, _weak_external_fn
|
|
\\.weak_definition _weak_external, _weak_external_for_gotpcrel, _weak_external_fn, _weak_internal, _weak_internal_for_gotpcrel, _weak_internal_fn
|
|
\\
|
|
\\_main:
|
|
\\ mov _weak_dysym_for_gotpcrel@GOTPCREL(%rip), %rax
|
|
\\ mov _weak_external_for_gotpcrel@GOTPCREL(%rip), %rax
|
|
\\ mov _weak_internal_for_gotpcrel@GOTPCREL(%rip), %rax
|
|
\\ mov _weak_tlv@TLVP(%rip), %rax
|
|
\\ mov _weak_dysym_tlv@TLVP(%rip), %rax
|
|
\\ mov _weak_internal_tlv@TLVP(%rip), %rax
|
|
\\ callq _weak_dysym_fn
|
|
\\ callq _weak_external_fn
|
|
\\ callq _weak_internal_fn
|
|
\\ mov $0, %rax
|
|
\\ ret
|
|
\\
|
|
\\_weak_external:
|
|
\\ .quad 0x1234
|
|
\\
|
|
\\_weak_external_for_gotpcrel:
|
|
\\ .quad 0x1234
|
|
\\
|
|
\\_weak_external_fn:
|
|
\\ ret
|
|
\\
|
|
\\_weak_internal:
|
|
\\ .quad 0x1234
|
|
\\
|
|
\\_weak_internal_for_gotpcrel:
|
|
\\ .quad 0x1234
|
|
\\
|
|
\\_weak_internal_fn:
|
|
\\ ret
|
|
\\
|
|
\\.data
|
|
\\ .quad _weak_dysym
|
|
\\ .quad _weak_external + 2
|
|
\\ .quad _weak_internal
|
|
\\
|
|
\\.tbss _weak_tlv$tlv$init, 4, 2
|
|
\\.tbss _weak_internal_tlv$tlv$init, 4, 2
|
|
\\
|
|
\\.section __DATA,__thread_vars,thread_local_variables
|
|
\\.globl _weak_tlv
|
|
\\.weak_definition _weak_tlv, _weak_internal_tlv
|
|
\\
|
|
\\_weak_tlv:
|
|
\\ .quad __tlv_bootstrap
|
|
\\ .quad 0
|
|
\\ .quad _weak_tlv$tlv$init
|
|
\\
|
|
\\_weak_internal_tlv:
|
|
\\ .quad __tlv_bootstrap
|
|
\\ .quad 0
|
|
\\ .quad _weak_internal_tlv$tlv$init
|
|
});
|
|
exe.linkLibrary(lib);
|
|
|
|
{
|
|
const check = exe.checkObject();
|
|
|
|
check.checkInExports();
|
|
check.checkExtract("[WEAK] {vmaddr1} _weak_external");
|
|
check.checkExtract("[WEAK] {vmaddr2} _weak_external_for_gotpcrel");
|
|
check.checkExtract("[WEAK] {vmaddr3} _weak_external_fn");
|
|
check.checkExtract("[THREAD_LOCAL, WEAK] {vmaddr4} _weak_tlv");
|
|
|
|
check.checkInDyldBind();
|
|
check.checkContains("(libfoo.dylib) _weak_dysym_for_gotpcrel");
|
|
check.checkContains("(libfoo.dylib) _weak_dysym_fn");
|
|
check.checkContains("(libfoo.dylib) _weak_dysym");
|
|
check.checkContains("(libfoo.dylib) _weak_dysym_tlv");
|
|
|
|
check.checkInDyldWeakBind();
|
|
check.checkContains("_weak_external_for_gotpcrel");
|
|
check.checkContains("_weak_dysym_for_gotpcrel");
|
|
check.checkContains("_weak_external_fn");
|
|
check.checkContains("_weak_dysym_fn");
|
|
check.checkContains("_weak_dysym");
|
|
check.checkContains("_weak_external");
|
|
check.checkContains("_weak_tlv");
|
|
check.checkContains("_weak_dysym_tlv");
|
|
|
|
test_step.dependOn(&check.step);
|
|
}
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testWeakFramework(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-weak-framework", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes = "int main() { return 0; }" });
|
|
exe.root_module.linkFramework("Cocoa", .{ .weak = true });
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectExitCode(0);
|
|
test_step.dependOn(&run.step);
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd LOAD_WEAK_DYLIB");
|
|
check.checkContains("Cocoa");
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testWeakLibrary(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-weak-library", opts);
|
|
|
|
const dylib = addSharedLibrary(b, opts, .{ .name = "a", .c_source_bytes =
|
|
\\#include<stdio.h>
|
|
\\int a = 42;
|
|
\\const char* asStr() {
|
|
\\ static char str[3];
|
|
\\ sprintf(str, "%d", 42);
|
|
\\ return str;
|
|
\\}
|
|
});
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include<stdio.h>
|
|
\\extern int a;
|
|
\\extern const char* asStr();
|
|
\\int main() {
|
|
\\ printf("%d %s", a, asStr());
|
|
\\ return 0;
|
|
\\}
|
|
});
|
|
exe.root_module.linkSystemLibrary("a", .{ .weak = true });
|
|
exe.root_module.addLibraryPath(dylib.getEmittedBinDirectory());
|
|
exe.root_module.addRPath(dylib.getEmittedBinDirectory());
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInHeaders();
|
|
check.checkExact("cmd LOAD_WEAK_DYLIB");
|
|
check.checkContains("liba.dylib");
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) weakref external _a (from liba)");
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) weakref external _asStr (from liba)");
|
|
test_step.dependOn(&check.step);
|
|
|
|
const run = addRunArtifact(exe);
|
|
run.expectStdOutEqual("42 42");
|
|
test_step.dependOn(&run.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn testWeakRef(b: *Build, opts: Options) *Step {
|
|
const test_step = addTestStep(b, "macho-weak-ref", opts);
|
|
|
|
const exe = addExecutable(b, opts, .{ .name = "main", .c_source_bytes =
|
|
\\#include <stdio.h>
|
|
\\#include <sys/_types/_fd_def.h>
|
|
\\int main(int argc, char** argv) {
|
|
\\ printf("__darwin_check_fd_set_overflow: %p\n", __darwin_check_fd_set_overflow);
|
|
\\}
|
|
});
|
|
|
|
const check = exe.checkObject();
|
|
check.checkInSymtab();
|
|
check.checkExact("(undefined) weakref external ___darwin_check_fd_set_overflow (from libSystem.B)");
|
|
test_step.dependOn(&check.step);
|
|
|
|
return test_step;
|
|
}
|
|
|
|
fn addTestStep(b: *Build, comptime prefix: []const u8, opts: Options) *Step {
|
|
return link.addTestStep(b, "macho-" ++ prefix, opts);
|
|
}
|
|
|
|
const builtin = @import("builtin");
|
|
const addAsmSourceBytes = link.addAsmSourceBytes;
|
|
const addCSourceBytes = link.addCSourceBytes;
|
|
const addRunArtifact = link.addRunArtifact;
|
|
const addObject = link.addObject;
|
|
const addExecutable = link.addExecutable;
|
|
const addStaticLibrary = link.addStaticLibrary;
|
|
const addSharedLibrary = link.addSharedLibrary;
|
|
const expectLinkErrors = link.expectLinkErrors;
|
|
const link = @import("link.zig");
|
|
const std = @import("std");
|
|
|
|
const Build = std.Build;
|
|
const BuildOptions = link.BuildOptions;
|
|
const Compile = Step.Compile;
|
|
const Options = link.Options;
|
|
const Step = Build.Step;
|
|
const WriteFile = Step.WriteFile;
|