| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package art |
| |
| import ( |
| "android/soong/android" |
| "android/soong/cc" |
| "fmt" |
| "sync" |
| |
| "github.com/google/blueprint/proptools" |
| ) |
| |
| var supportedArches = []string{"arm", "arm64", "mips", "mips64", "x86", "x86_64"} |
| |
| func globalFlags(ctx android.BaseContext) ([]string, []string) { |
| var cflags []string |
| var asflags []string |
| |
| opt := envDefault(ctx, "ART_NDEBUG_OPT_FLAG", "-O3") |
| cflags = append(cflags, opt) |
| |
| tlab := false |
| |
| gcType := envDefault(ctx, "ART_DEFAULT_GC_TYPE", "CMS") |
| |
| if envTrue(ctx, "ART_TEST_DEBUG_GC") { |
| gcType = "SS" |
| tlab = true |
| } |
| |
| cflags = append(cflags, "-DART_DEFAULT_GC_TYPE_IS_"+gcType) |
| if tlab { |
| cflags = append(cflags, "-DART_USE_TLAB=1") |
| } |
| |
| if !envFalse(ctx, "ART_ENABLE_VDEX") { |
| cflags = append(cflags, "-DART_ENABLE_VDEX") |
| } |
| |
| imtSize := envDefault(ctx, "ART_IMT_SIZE", "43") |
| cflags = append(cflags, "-DIMT_SIZE="+imtSize) |
| |
| if envTrue(ctx, "ART_HEAP_POISONING") { |
| cflags = append(cflags, "-DART_HEAP_POISONING=1") |
| asflags = append(asflags, "-DART_HEAP_POISONING=1") |
| } |
| |
| if !envFalse(ctx, "ART_USE_READ_BARRIER") && ctx.AConfig().ArtUseReadBarrier() { |
| // Used to change the read barrier type. Valid values are BAKER, BROOKS, |
| // TABLELOOKUP. The default is BAKER. |
| barrierType := envDefault(ctx, "ART_READ_BARRIER_TYPE", "BAKER") |
| cflags = append(cflags, |
| "-DART_USE_READ_BARRIER=1", |
| "-DART_READ_BARRIER_TYPE_IS_"+barrierType+"=1") |
| asflags = append(asflags, |
| "-DART_USE_READ_BARRIER=1", |
| "-DART_READ_BARRIER_TYPE_IS_"+barrierType+"=1") |
| } |
| |
| // We need larger stack overflow guards for ASAN, as the compiled code will have |
| // larger frame sizes. For simplicity, just use global not-target-specific cflags. |
| // Note: We increase this for both debug and non-debug, as the overflow gap will |
| // be compiled into managed code. We always preopt (and build core images) with |
| // the debug version. So make the gap consistent (and adjust for the worst). |
| if len(ctx.AConfig().SanitizeDevice()) > 0 || len(ctx.AConfig().SanitizeHost()) > 0 { |
| cflags = append(cflags, |
| "-DART_STACK_OVERFLOW_GAP_arm=8192", |
| "-DART_STACK_OVERFLOW_GAP_arm64=8192", |
| "-DART_STACK_OVERFLOW_GAP_mips=16384", |
| "-DART_STACK_OVERFLOW_GAP_mips64=16384", |
| "-DART_STACK_OVERFLOW_GAP_x86=16384", |
| "-DART_STACK_OVERFLOW_GAP_x86_64=20480") |
| } else { |
| cflags = append(cflags, |
| "-DART_STACK_OVERFLOW_GAP_arm=8192", |
| "-DART_STACK_OVERFLOW_GAP_arm64=8192", |
| "-DART_STACK_OVERFLOW_GAP_mips=16384", |
| "-DART_STACK_OVERFLOW_GAP_mips64=16384", |
| "-DART_STACK_OVERFLOW_GAP_x86=8192", |
| "-DART_STACK_OVERFLOW_GAP_x86_64=8192") |
| } |
| |
| if envTrue(ctx, "ART_ENABLE_ADDRESS_SANITIZER") { |
| // Used to enable full sanitization, i.e., user poisoning, under ASAN. |
| cflags = append(cflags, "-DART_ENABLE_ADDRESS_SANITIZER=1") |
| asflags = append(asflags, "-DART_ENABLE_ADDRESS_SANITIZER=1") |
| } |
| |
| if envTrue(ctx, "ART_MIPS32_CHECK_ALIGNMENT") { |
| // Enable the use of MIPS32 CHECK_ALIGNMENT macro for debugging purposes |
| asflags = append(asflags, "-DART_MIPS32_CHECK_ALIGNMENT") |
| } |
| |
| return cflags, asflags |
| } |
| |
| func debugFlags(ctx android.BaseContext) []string { |
| var cflags []string |
| |
| opt := envDefault(ctx, "ART_DEBUG_OPT_FLAG", "-O2") |
| cflags = append(cflags, opt) |
| |
| return cflags |
| } |
| |
| func deviceFlags(ctx android.BaseContext) []string { |
| var cflags []string |
| deviceFrameSizeLimit := 1736 |
| if len(ctx.AConfig().SanitizeDevice()) > 0 { |
| deviceFrameSizeLimit = 7400 |
| } |
| cflags = append(cflags, |
| fmt.Sprintf("-Wframe-larger-than=%d", deviceFrameSizeLimit), |
| fmt.Sprintf("-DART_FRAME_SIZE_LIMIT=%d", deviceFrameSizeLimit), |
| ) |
| |
| cflags = append(cflags, "-DART_BASE_ADDRESS="+ctx.AConfig().LibartImgDeviceBaseAddress()) |
| if envTrue(ctx, "ART_TARGET_LINUX") { |
| cflags = append(cflags, "-DART_TARGET_LINUX") |
| } else { |
| cflags = append(cflags, "-DART_TARGET_ANDROID") |
| } |
| minDelta := envDefault(ctx, "LIBART_IMG_TARGET_MIN_BASE_ADDRESS_DELTA", "-0x1000000") |
| maxDelta := envDefault(ctx, "LIBART_IMG_TARGET_MAX_BASE_ADDRESS_DELTA", "0x1000000") |
| cflags = append(cflags, "-DART_BASE_ADDRESS_MIN_DELTA="+minDelta) |
| cflags = append(cflags, "-DART_BASE_ADDRESS_MAX_DELTA="+maxDelta) |
| |
| return cflags |
| } |
| |
| func hostFlags(ctx android.BaseContext) []string { |
| var cflags []string |
| hostFrameSizeLimit := 1736 |
| if len(ctx.AConfig().SanitizeHost()) > 0 { |
| // art/test/137-cfi/cfi.cc |
| // error: stack frame size of 1944 bytes in function 'Java_Main_unwindInProcess' |
| hostFrameSizeLimit = 6400 |
| } |
| cflags = append(cflags, |
| fmt.Sprintf("-Wframe-larger-than=%d", hostFrameSizeLimit), |
| fmt.Sprintf("-DART_FRAME_SIZE_LIMIT=%d", hostFrameSizeLimit), |
| ) |
| |
| cflags = append(cflags, "-DART_BASE_ADDRESS="+ctx.AConfig().LibartImgHostBaseAddress()) |
| minDelta := envDefault(ctx, "LIBART_IMG_HOST_MIN_BASE_ADDRESS_DELTA", "-0x1000000") |
| maxDelta := envDefault(ctx, "LIBART_IMG_HOST_MAX_BASE_ADDRESS_DELTA", "0x1000000") |
| cflags = append(cflags, "-DART_BASE_ADDRESS_MIN_DELTA="+minDelta) |
| cflags = append(cflags, "-DART_BASE_ADDRESS_MAX_DELTA="+maxDelta) |
| |
| if len(ctx.AConfig().SanitizeHost()) > 0 && !envFalse(ctx, "ART_ENABLE_ADDRESS_SANITIZER") { |
| // We enable full sanitization on the host by default. |
| cflags = append(cflags, "-DART_ENABLE_ADDRESS_SANITIZER=1") |
| } |
| |
| return cflags |
| } |
| |
| func globalDefaults(ctx android.LoadHookContext) { |
| type props struct { |
| Target struct { |
| Android struct { |
| Cflags []string |
| } |
| Host struct { |
| Cflags []string |
| } |
| } |
| Cflags []string |
| Asflags []string |
| Sanitize struct { |
| Recover []string |
| } |
| } |
| |
| p := &props{} |
| p.Cflags, p.Asflags = globalFlags(ctx) |
| p.Target.Android.Cflags = deviceFlags(ctx) |
| p.Target.Host.Cflags = hostFlags(ctx) |
| |
| if envTrue(ctx, "ART_DEX_FILE_ACCESS_TRACKING") { |
| p.Cflags = append(p.Cflags, "-DART_DEX_FILE_ACCESS_TRACKING") |
| p.Sanitize.Recover = []string{ |
| "address", |
| } |
| } |
| |
| ctx.AppendProperties(p) |
| } |
| |
| func debugDefaults(ctx android.LoadHookContext) { |
| type props struct { |
| Cflags []string |
| } |
| |
| p := &props{} |
| p.Cflags = debugFlags(ctx) |
| ctx.AppendProperties(p) |
| } |
| |
| func customLinker(ctx android.LoadHookContext) { |
| linker := envDefault(ctx, "CUSTOM_TARGET_LINKER", "") |
| type props struct { |
| DynamicLinker string |
| } |
| |
| p := &props{} |
| if linker != "" { |
| p.DynamicLinker = linker |
| } |
| |
| ctx.AppendProperties(p) |
| } |
| |
| func prefer32Bit(ctx android.LoadHookContext) { |
| type props struct { |
| Target struct { |
| Host struct { |
| Compile_multilib *string |
| } |
| } |
| } |
| |
| p := &props{} |
| if envTrue(ctx, "HOST_PREFER_32_BIT") { |
| p.Target.Host.Compile_multilib = proptools.StringPtr("prefer32") |
| } |
| |
| ctx.AppendProperties(p) |
| } |
| |
| func testMap(config android.Config) map[string][]string { |
| return config.Once("artTests", func() interface{} { |
| return make(map[string][]string) |
| }).(map[string][]string) |
| } |
| |
| func testInstall(ctx android.InstallHookContext) { |
| testMap := testMap(ctx.AConfig()) |
| |
| var name string |
| if ctx.Host() { |
| name = "host_" |
| } else { |
| name = "device_" |
| } |
| name += ctx.Arch().ArchType.String() + "_" + ctx.ModuleName() |
| |
| artTestMutex.Lock() |
| defer artTestMutex.Unlock() |
| |
| tests := testMap[name] |
| tests = append(tests, ctx.Path().RelPathString()) |
| testMap[name] = tests |
| } |
| |
| var artTestMutex sync.Mutex |
| |
| func init() { |
| android.RegisterModuleType("art_cc_library", artLibrary) |
| android.RegisterModuleType("art_cc_static_library", artStaticLibrary) |
| android.RegisterModuleType("art_cc_binary", artBinary) |
| android.RegisterModuleType("art_cc_test", artTest) |
| android.RegisterModuleType("art_cc_test_library", artTestLibrary) |
| android.RegisterModuleType("art_cc_defaults", artDefaultsFactory) |
| android.RegisterModuleType("art_global_defaults", artGlobalDefaultsFactory) |
| android.RegisterModuleType("art_debug_defaults", artDebugDefaultsFactory) |
| } |
| |
| func artGlobalDefaultsFactory() android.Module { |
| module := artDefaultsFactory() |
| android.AddLoadHook(module, globalDefaults) |
| |
| return module |
| } |
| |
| func artDebugDefaultsFactory() android.Module { |
| module := artDefaultsFactory() |
| android.AddLoadHook(module, debugDefaults) |
| |
| return module |
| } |
| |
| func artDefaultsFactory() android.Module { |
| c := &codegenProperties{} |
| module := cc.DefaultsFactory(c) |
| android.AddLoadHook(module, func(ctx android.LoadHookContext) { codegen(ctx, c, true) }) |
| |
| return module |
| } |
| |
| func artLibrary() android.Module { |
| m, _ := cc.NewLibrary(android.HostAndDeviceSupported) |
| module := m.Init() |
| |
| installCodegenCustomizer(module, true) |
| |
| return module |
| } |
| |
| func artStaticLibrary() android.Module { |
| m, library := cc.NewLibrary(android.HostAndDeviceSupported) |
| library.BuildOnlyStatic() |
| module := m.Init() |
| |
| installCodegenCustomizer(module, true) |
| |
| return module |
| } |
| |
| func artBinary() android.Module { |
| binary, _ := cc.NewBinary(android.HostAndDeviceSupported) |
| module := binary.Init() |
| |
| android.AddLoadHook(module, customLinker) |
| android.AddLoadHook(module, prefer32Bit) |
| return module |
| } |
| |
| func artTest() android.Module { |
| test := cc.NewTest(android.HostAndDeviceSupported) |
| module := test.Init() |
| |
| installCodegenCustomizer(module, false) |
| |
| android.AddLoadHook(module, customLinker) |
| android.AddLoadHook(module, prefer32Bit) |
| android.AddInstallHook(module, testInstall) |
| return module |
| } |
| |
| func artTestLibrary() android.Module { |
| test := cc.NewTestLibrary(android.HostAndDeviceSupported) |
| module := test.Init() |
| |
| installCodegenCustomizer(module, false) |
| |
| android.AddLoadHook(module, prefer32Bit) |
| android.AddInstallHook(module, testInstall) |
| return module |
| } |
| |
| func envDefault(ctx android.BaseContext, key string, defaultValue string) string { |
| ret := ctx.AConfig().Getenv(key) |
| if ret == "" { |
| return defaultValue |
| } |
| return ret |
| } |
| |
| func envTrue(ctx android.BaseContext, key string) bool { |
| return ctx.AConfig().Getenv(key) == "true" |
| } |
| |
| func envFalse(ctx android.BaseContext, key string) bool { |
| return ctx.AConfig().Getenv(key) == "false" |
| } |