rust: Add static binary support (bf63d00c) · Commits · e / os / android_build_soong

rust/binary.go

+23 −4

Original line number	Diff line number	Diff line
		@@ -28,6 +28,12 @@ type BinaryCompilerProperties struct {
		// Also link libstd as an rlib as well on device targets.
		// Note: This is the default behavior for host targets.
		Prefer_rlib *bool `android:"arch_variant"`

		// Builds this binary as a static binary. Implies prefer_rlib true.
		//
		// Static executables currently only support for bionic targets. Non-bionic targets will not produce a fully static
		// binary, but will still implicitly imply prefer_rlib true.
		Static_executable *bool `android:"arch_variant"`
		}

		type binaryDecorator struct {
		@@ -72,6 +78,11 @@ func (binary *binaryDecorator) compilerFlags(ctx ModuleContext, flags Flags) Fla
		"-Wl,--gc-sections",
		"-Wl,-z,nocopyreloc",
		"-Wl,--no-undefined-version")

		if Bool(binary.Properties.Static_executable) {
		flags.LinkFlags = append(flags.LinkFlags, "-static")
		flags.RustFlags = append(flags.RustFlags, "-C relocation-model=static")
		}
		}

		return flags
		@@ -81,8 +92,12 @@ func (binary *binaryDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
		deps = binary.baseCompiler.compilerDeps(ctx, deps)

		if ctx.toolchain().Bionic() {
		deps = bionicDeps(deps)
		deps = bionicDeps(deps, Bool(binary.Properties.Static_executable))
		if Bool(binary.Properties.Static_executable) {
		deps.CrtBegin = "crtbegin_static"
		} else {
		deps.CrtBegin = "crtbegin_dynamic"
		}
		deps.CrtEnd = "crtend_android"
		}

		@@ -99,6 +114,10 @@ func (binary *binaryDecorator) nativeCoverage() bool {
		return true
		}

		func (binary *binaryDecorator) preferRlib() bool {
		return Bool(binary.Properties.Prefer_rlib) \|\| Bool(binary.Properties.Static_executable)
		}

		func (binary *binaryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) android.Path {
		fileName := binary.getStem(ctx) + ctx.toolchain().ExecutableSuffix()
		srcPath, _ := srcPathFromModuleSrcs(ctx, binary.baseCompiler.Properties.Srcs)
		@@ -135,7 +154,7 @@ func (binary *binaryDecorator) coverageOutputZipPath() android.OptionalPath {

		func (binary *binaryDecorator) autoDep(ctx BaseModuleContext) autoDep {
		// Binaries default to dylib dependencies for device, rlib for host.
		if Bool(binary.Properties.Prefer_rlib) {
		if binary.preferRlib() {
		return rlibAutoDep
		}
		if ctx.Device() {
		@@ -146,7 +165,7 @@ func (binary *binaryDecorator) autoDep(ctx BaseModuleContext) autoDep {
		}

		func (binary binaryDecorator) stdLinkage(ctx depsContext) RustLinkage {
		if Bool(binary.Properties.Prefer_rlib) {
		if binary.preferRlib() {
		return RlibLinkage
		}
		return binary.baseCompiler.stdLinkage(ctx)

rust/binary_test.go

+28 −0

Original line number	Diff line number	Diff line
		@@ -114,6 +114,34 @@ func TestBinaryFlags(t *testing.T) {
		}
		}

		func TestStaticBinaryFlags(t *testing.T) {
		ctx := testRust(t, `
		rust_binary {
		name: "fizz",
		srcs: ["foo.rs"],
		static_executable: true,
		}`)

		fizzOut := ctx.ModuleForTests("fizz", "android_arm64_armv8-a").Output("fizz")
		fizzMod := ctx.ModuleForTests("fizz", "android_arm64_armv8-a").Module().(*Module)

		flags := fizzOut.Args["rustcFlags"]
		linkFlags := fizzOut.Args["linkFlags"]
		if !strings.Contains(flags, "-C relocation-model=static") {
		t.Errorf("static binary missing '-C relocation-model=static' in rustcFlags, found: %#v", flags)
		}
		if !strings.Contains(linkFlags, "-static") {
		t.Errorf("static binary missing '-static' in linkFlags, found: %#v", flags)
		}

		if !android.InList("libc", fizzMod.Properties.AndroidMkStaticLibs) {
		t.Errorf("static binary not linking against libc as a static library")
		}
		if len(fizzMod.Properties.AndroidMkSharedLibs) > 0 {
		t.Errorf("static binary incorrectly linking against shared libraries")
		}
		}

		func TestLinkObjects(t *testing.T) {
		ctx := testRust(t, `
		rust_binary {

rust/bindgen.go

+1 −1

Original line number	Diff line number	Diff line
		@@ -267,7 +267,7 @@ func NewRustBindgen(hod android.HostOrDeviceSupported) (Module, bindgenDecorat
		func (b *bindgenDecorator) SourceProviderDeps(ctx DepsContext, deps Deps) Deps {
		deps = b.BaseSourceProvider.SourceProviderDeps(ctx, deps)
		if ctx.toolchain().Bionic() {
		deps = bionicDeps(deps)
		deps = bionicDeps(deps, false)
		}

		deps.SharedLibs = append(deps.SharedLibs, b.Properties.Shared_libs...)

rust/compiler.go

+12 −5

Original line number	Diff line number	Diff line
		@@ -240,11 +240,18 @@ func (compiler *baseCompiler) compilerDeps(ctx DepsContext, deps Deps) Deps {
		return deps
		}

		func bionicDeps(deps Deps) Deps {
		deps.SharedLibs = append(deps.SharedLibs, "liblog")
		deps.SharedLibs = append(deps.SharedLibs, "libc")
		deps.SharedLibs = append(deps.SharedLibs, "libm")
		deps.SharedLibs = append(deps.SharedLibs, "libdl")
		func bionicDeps(deps Deps, static bool) Deps {
		bionicLibs := []string{}
		bionicLibs = append(bionicLibs, "liblog")
		bionicLibs = append(bionicLibs, "libc")
		bionicLibs = append(bionicLibs, "libm")
		bionicLibs = append(bionicLibs, "libdl")

		if static {
		deps.StaticLibs = append(deps.StaticLibs, bionicLibs...)
		} else {
		deps.SharedLibs = append(deps.SharedLibs, bionicLibs...)
		}

		//TODO(b/141331117) libstd requires libgcc on Android
		deps.StaticLibs = append(deps.StaticLibs, "libgcc")

rust/library.go

+1 −1

Original line number	Diff line number	Diff line
		@@ -396,7 +396,7 @@ func (library *libraryDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
		deps = library.baseCompiler.compilerDeps(ctx, deps)

		if ctx.toolchain().Bionic() && (library.dylib() \|\| library.shared()) {
		deps = bionicDeps(deps)
		deps = bionicDeps(deps, false)
		deps.CrtBegin = "crtbegin_so"
		deps.CrtEnd = "crtend_so"
		}