Block CFI on static libraries (f9abec09) · Commits · e / os / android_build_soong

bazel/properties.go

+36 −0

Original line number	Diff line number	Diff line
		@@ -1296,6 +1296,42 @@ func (sla StringListAttribute) IsEmpty() bool {
		return len(sla.Value) == 0 && !sla.HasConfigurableValues()
		}

		// RemoveFromAllConfigs removes all instances of the specified value from all configurations
		// of the givenStringListAttribute
		func (sla *StringListAttribute) RemoveFromAllConfigs(toRemove string) {
		if removed, removalResult := removeFromList(toRemove, sla.Value); removed {
		if len(removalResult) > 0 {
		sla.Value = removalResult
		} else {
		sla.Value = nil
		}
		}
		for axis, slsv := range sla.ConfigurableValues {
		for config, sl := range slsv {
		if removed, removalResult := removeFromList(toRemove, sl); removed {
		if len(removalResult) > 0 {
		sla.SetSelectValue(axis, config, removalResult)
		} else {
		sla.SetSelectValue(axis, config, nil)
		}
		}
		}
		}
		}

		func removeFromList(s string, list []string) (bool, []string) {
		result := make([]string, 0, len(list))
		var removed bool
		for _, item := range list {
		if item != s {
		result = append(result, item)
		} else {
		removed = true
		}
		}
		return removed, result
		}

		type configurableStringLists map[ConfigurationAxis]stringListSelectValues

		func (csl configurableStringLists) Append(other configurableStringLists) {

bp2build/cc_library_conversion_test.go

+1 −9

Original line number	Diff line number	Diff line
		@@ -4785,7 +4785,6 @@ cc_library {
		}`,
		ExpectedBazelTargets: []string{
		MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
		"features": `["android_cfi"]`,
		"local_includes": `["."]`,
		}),
		MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
		@@ -4814,10 +4813,6 @@ cc_library {
		}`,
		ExpectedBazelTargets: []string{
		MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
		"features": `select({
		"//build/bazel/platforms/os:android": ["android_cfi"],
		"//conditions:default": [],
		})`,
		"local_includes": `["."]`,
		}),
		MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
		@@ -4848,10 +4843,7 @@ cc_library {
		}`,
		ExpectedBazelTargets: []string{
		MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
		"features": `[
		"android_cfi",
		"android_cfi_assembly_support",
		]`,
		"features": `["android_cfi_assembly_support"]`,
		"local_includes": `["."]`,
		}),
		MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{

bp2build/cc_library_shared_conversion_test.go

+2 −2

Original line number	Diff line number	Diff line
		@@ -1522,7 +1522,7 @@ func TestCcLibrarySharedWithCfiAndCfiAssemblySupport(t *testing.T) {
		runCcLibrarySharedTestCase(t, Bp2buildTestCase{
		Description: "cc_library_shared has correct features when cfi is enabled with cfi assembly support",
		Blueprint: `
		cc_library_static {
		cc_library_shared {
		name: "foo",
		sanitize: {
		cfi: true,
		@@ -1532,7 +1532,7 @@ cc_library_static {
		},
		}`,
		ExpectedBazelTargets: []string{
		MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
		MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
		"features": `[
		"android_cfi",
		"android_cfi_assembly_support",

bp2build/cc_library_static_conversion_test.go

+5 −13

Original line number	Diff line number	Diff line
		@@ -2135,9 +2135,9 @@ cc_library_static {
		})
		}

		func TestCcLibraryStaticWithCfi(t *testing.T) {
		func TestCcLibraryStaticNoCfi(t *testing.T) {
		runCcLibraryStaticTestCase(t, Bp2buildTestCase{
		Description: "cc_library_static has correct features when cfi is enabled",
		Description: "cc_library_static never explicitly enables CFI",
		Blueprint: `
		cc_library_static {
		name: "foo",
		@@ -2147,7 +2147,6 @@ cc_library_static {
		}`,
		ExpectedBazelTargets: []string{
		MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
		"features": `["android_cfi"]`,
		"local_includes": `["."]`,
		}),
		},
		@@ -2156,7 +2155,7 @@ cc_library_static {

		func TestCcLibraryStaticWithCfiOsSpecific(t *testing.T) {
		runCcLibraryStaticTestCase(t, Bp2buildTestCase{
		Description: "cc_library_static has correct features when cfi is enabled for specific variants",
		Description: "cc_library_static never explicitly enables CFI even for specific variants",
		Blueprint: `
		cc_library_static {
		name: "foo",
		@@ -2170,10 +2169,6 @@ cc_library_static {
		}`,
		ExpectedBazelTargets: []string{
		MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
		"features": `select({
		"//build/bazel/platforms/os:android": ["android_cfi"],
		"//conditions:default": [],
		})`,
		"local_includes": `["."]`,
		}),
		},
		@@ -2182,7 +2177,7 @@ cc_library_static {

		func TestCcLibraryStaticWithCfiAndCfiAssemblySupport(t *testing.T) {
		runCcLibraryStaticTestCase(t, Bp2buildTestCase{
		Description: "cc_library_static has correct features when cfi is enabled with cfi_assembly_support",
		Description: "cc_library_static will specify cfi_assembly_support feature but not cfi feature",
		Blueprint: `
		cc_library_static {
		name: "foo",
		@@ -2195,10 +2190,7 @@ cc_library_static {
		}`,
		ExpectedBazelTargets: []string{
		MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
		"features": `[
		"android_cfi",
		"android_cfi_assembly_support",
		]`,
		"features": `["android_cfi_assembly_support"]`,
		"local_includes": `["."]`,
		}),
		},

cc/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,7 @@ bootstrap_go_package {
		"cc.go",
		"ccdeps.go",
		"check.go",
		"constants.go",
		"coverage.go",
		"gen.go",
		"generated_cc_library.go",