// Copyright 2015 Google Inc. All rights reserved.
//
// 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 common
import (
"fmt"
"reflect"
"runtime"
"strings"
"github.com/google/blueprint"
"github.com/google/blueprint/proptools"
)
func init() {
RegisterBottomUpMutator("defaults_deps", defaultsDepsMutator)
RegisterTopDownMutator("defaults", defaultsMutator)
RegisterBottomUpMutator("host_or_device", HostOrDeviceMutator)
RegisterBottomUpMutator("host_type", HostTypeMutator)
RegisterBottomUpMutator("arch", ArchMutator)
}
var (
Arm = newArch("arm", "lib32")
Arm64 = newArch("arm64", "lib64")
Mips = newArch("mips", "lib32")
Mips64 = newArch("mips64", "lib64")
X86 = newArch("x86", "lib32")
X86_64 = newArch("x86_64", "lib64")
Common = ArchType{
Name: "common",
}
)
var archTypeMap = map[string]ArchType{
"arm": Arm,
"arm64": Arm64,
"mips": Mips,
"mips64": Mips64,
"x86": X86,
"x86_64": X86_64,
}
/*
Example blueprints file containing all variant property groups, with comment listing what type
of variants get properties in that group:
module {
arch: {
arm: {
// Host or device variants with arm architecture
},
arm64: {
// Host or device variants with arm64 architecture
},
mips: {
// Host or device variants with mips architecture
},
mips64: {
// Host or device variants with mips64 architecture
},
x86: {
// Host or device variants with x86 architecture
},
x86_64: {
// Host or device variants with x86_64 architecture
},
},
multilib: {
lib32: {
// Host or device variants for 32-bit architectures
},
lib64: {
// Host or device variants for 64-bit architectures
},
},
target: {
android: {
// Device variants
},
host: {
// Host variants
},
linux: {
// Linux host variants
},
darwin: {
// Darwin host variants
},
windows: {
// Windows host variants
},
not_windows: {
// Non-windows host variants
},
},
}
*/
type Embed interface{}
type archProperties struct {
// Properties to vary by target architecture
Arch struct {
// Properties for module variants being built to run on arm (host or device)
Arm struct {
Embed `blueprint:"filter(android:\"arch_variant\")"`
// Arm arch variants
Armv5te interface{} `blueprint:"filter(android:\"arch_variant\")"`
Armv7_a interface{} `blueprint:"filter(android:\"arch_variant\")"`
Armv7_a_neon interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Arm cpu variants
Cortex_a7 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Cortex_a8 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Cortex_a9 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Cortex_a15 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Cortex_a53 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Cortex_a53_a57 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Krait interface{} `blueprint:"filter(android:\"arch_variant\")"`
Denver interface{} `blueprint:"filter(android:\"arch_variant\")"`
}
// Properties for module variants being built to run on arm64 (host or device)
Arm64 struct {
Embed `blueprint:"filter(android:\"arch_variant\")"`
// Arm64 arch variants
Armv8_a interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Arm64 cpu variants
Cortex_a53 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Denver64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
}
// Properties for module variants being built to run on mips (host or device)
Mips struct {
Embed `blueprint:"filter(android:\"arch_variant\")"`
// Mips arch variants
Mips32_fp interface{} `blueprint:"filter(android:\"arch_variant\")"`
Mips32r2_fp interface{} `blueprint:"filter(android:\"arch_variant\")"`
Mips32r2_fp_xburst interface{} `blueprint:"filter(android:\"arch_variant\")"`
Mips32r2dsp_fp interface{} `blueprint:"filter(android:\"arch_variant\")"`
Mips32r2dspr2_fp interface{} `blueprint:"filter(android:\"arch_variant\")"`
Mips32r6 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Mips arch features
Rev6 interface{} `blueprint:"filter(android:\"arch_variant\")"`
}
// Properties for module variants being built to run on mips64 (host or device)
Mips64 struct {
Embed `blueprint:"filter(android:\"arch_variant\")"`
// Mips64 arch variants
Mips64r2 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Mips64r6 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Mips64 arch features
Rev6 interface{} `blueprint:"filter(android:\"arch_variant\")"`
}
// Properties for module variants being built to run on x86 (host or device)
X86 struct {
Embed `blueprint:"filter(android:\"arch_variant\")"`
// X86 arch variants
Atom interface{} `blueprint:"filter(android:\"arch_variant\")"`
Haswell interface{} `blueprint:"filter(android:\"arch_variant\")"`
Ivybridge interface{} `blueprint:"filter(android:\"arch_variant\")"`
Sandybridge interface{} `blueprint:"filter(android:\"arch_variant\")"`
Silvermont interface{} `blueprint:"filter(android:\"arch_variant\")"`
// X86 arch features
Ssse3 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Sse4 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Sse4_1 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Sse4_2 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Aes_ni interface{} `blueprint:"filter(android:\"arch_variant\")"`
Avx interface{} `blueprint:"filter(android:\"arch_variant\")"`
Popcnt interface{} `blueprint:"filter(android:\"arch_variant\")"`
Movbe interface{} `blueprint:"filter(android:\"arch_variant\")"`
}
// Properties for module variants being built to run on x86_64 (host or device)
X86_64 struct {
Embed `blueprint:"filter(android:\"arch_variant\")"`
// X86 arch variants
Haswell interface{} `blueprint:"filter(android:\"arch_variant\")"`
Ivybridge interface{} `blueprint:"filter(android:\"arch_variant\")"`
Sandybridge interface{} `blueprint:"filter(android:\"arch_variant\")"`
Silvermont interface{} `blueprint:"filter(android:\"arch_variant\")"`
// X86 arch features
Ssse3 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Sse4 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Sse4_1 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Sse4_2 interface{} `blueprint:"filter(android:\"arch_variant\")"`
Aes_ni interface{} `blueprint:"filter(android:\"arch_variant\")"`
Avx interface{} `blueprint:"filter(android:\"arch_variant\")"`
Popcnt interface{} `blueprint:"filter(android:\"arch_variant\")"`
}
}
// Properties to vary by 32-bit or 64-bit
Multilib struct {
// Properties for module variants being built to run on 32-bit devices
Lib32 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on 64-bit devices
Lib64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
}
// Properties to vary by build target (host or device, os, os+archictecture)
Target struct {
// Properties for module variants being built to run on the host
Host interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on the device
Android interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on arm devices
Android_arm interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on arm64 devices
Android_arm64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on mips devices
Android_mips interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on mips64 devices
Android_mips64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on x86 devices
Android_x86 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on x86_64 devices
Android_x86_64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on devices that support 64-bit
Android64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on devices that do not support 64-bit
Android32 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on linux hosts
Linux interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on linux x86 hosts
Linux_x86 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on linux x86_64 hosts
Linux_x86_64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on darwin hosts
Darwin interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on darwin x86 hosts
Darwin_x86 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on darwin x86_64 hosts
Darwin_x86_64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on windows hosts
Windows interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on windows x86 hosts
Windows_x86 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on windows x86_64 hosts
Windows_x86_64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
// Properties for module variants being built to run on linux or darwin hosts
Not_windows interface{} `blueprint:"filter(android:\"arch_variant\")"`
}
}
var archFeatureMap = map[ArchType]map[string][]string{}
func RegisterArchFeatures(arch ArchType, variant string, features ...string) {
archField := proptools.FieldNameForProperty(arch.Name)
variantField := proptools.FieldNameForProperty(variant)
archStruct := reflect.ValueOf(archProperties{}.Arch).FieldByName(archField)
if variant != "" {
if !archStruct.FieldByName(variantField).IsValid() {
panic(fmt.Errorf("Invalid variant %q for arch %q", variant, arch))
}
}
for _, feature := range features {
field := proptools.FieldNameForProperty(feature)
if !archStruct.FieldByName(field).IsValid() {
panic(fmt.Errorf("Invalid feature %q for arch %q variant %q", feature, arch, variant))
}
}
if archFeatureMap[arch] == nil {
archFeatureMap[arch] = make(map[string][]string)
}
archFeatureMap[arch][variant] = features
}
// An Arch indicates a single CPU architecture.
type Arch struct {
ArchType ArchType
ArchVariant string
CpuVariant string
Abi []string
ArchFeatures []string
}
func (a Arch) String() string {
s := a.ArchType.String()
if a.ArchVariant != "" {
s += "_" + a.ArchVariant
}
if a.CpuVariant != "" {
s += "_" + a.CpuVariant
}
return s
}
type ArchType struct {
Name string
Multilib string
}
func newArch(name, multilib string) ArchType {
return ArchType{
Name: name,
Multilib: multilib,
}
}
func (a ArchType) String() string {
return a.Name
}
type HostOrDeviceSupported int
const (
_ HostOrDeviceSupported = iota
HostSupported
DeviceSupported
HostAndDeviceSupported
HostAndDeviceDefault
)
type HostOrDevice int
const (
_ HostOrDevice = iota
Host
Device
)
func (hod HostOrDevice) String() string {
switch hod {
case Device:
return "device"
case Host:
return "host"
default:
panic(fmt.Sprintf("unexpected HostOrDevice value %d", hod))
}
}
func (hod HostOrDevice) Property() string {
switch hod {
case Device:
return "android"
case Host:
return "host"
default:
panic(fmt.Sprintf("unexpected HostOrDevice value %d", hod))
}
}
func (hod HostOrDevice) Host() bool {
if hod == 0 {
panic("HostOrDevice unset")
}
return hod == Host
}
func (hod HostOrDevice) Device() bool {
if hod == 0 {
panic("HostOrDevice unset")
}
return hod == Device
}
var hostOrDeviceName = map[HostOrDevice]string{
Device: "device",
Host: "host",
}
type HostType int
const (
NoHostType HostType = iota
Linux
Darwin
Windows
)
func CurrentHostType() HostType {
switch runtime.GOOS {
case "linux":
return Linux
case "darwin":
return Darwin
default:
panic(fmt.Sprintf("unsupported OS: %s", runtime.GOOS))
}
}
func (ht HostType) String() string {
switch ht {
case Linux:
return "linux"
case Darwin:
return "darwin"
case Windows:
return "windows"
default:
panic(fmt.Sprintf("unexpected HostType value %d", ht))
}
}
func (ht HostType) Field() string {
switch ht {
case Linux:
return "Linux"
case Darwin:
return "Darwin"
case Windows:
return "Windows"
default:
panic(fmt.Sprintf("unexpected HostType value %d", ht))
}
}
var (
commonArch = Arch{
ArchType: Common,
}
)
func HostOrDeviceMutator(mctx AndroidBottomUpMutatorContext) {
var module AndroidModule
var ok bool
if module, ok = mctx.Module().(AndroidModule); !ok {
return
}
hods := []HostOrDevice{}
if module.base().HostSupported() {
hods = append(hods, Host)
}
if module.base().DeviceSupported() {
hods = append(hods, Device)
}
if len(hods) == 0 {
return
}
hodNames := []string{}
for _, hod := range hods {
hodNames = append(hodNames, hod.String())
}
modules := mctx.CreateVariations(hodNames...)
for i, m := range modules {
m.(AndroidModule).base().SetHostOrDevice(hods[i])
}
}
func HostTypeMutator(mctx AndroidBottomUpMutatorContext) {
var module AndroidModule
var ok bool
if module, ok = mctx.Module().(AndroidModule); !ok {
return
}
if !module.base().HostSupported() || !module.base().HostOrDevice().Host() {
return
}
buildTypes, err := decodeHostTypesProductVariables(mctx.Config().(Config).ProductVariables)
if err != nil {
mctx.ModuleErrorf("%s", err.Error())
return
}
typeNames := []string{}
for _, ht := range buildTypes {
typeNames = append(typeNames, ht.String())
}
modules := mctx.CreateVariations(typeNames...)
for i, m := range modules {
m.(AndroidModule).base().SetHostType(buildTypes[i])
}
}
func ArchMutator(mctx AndroidBottomUpMutatorContext) {
var module AndroidModule
var ok bool
if module, ok = mctx.Module().(AndroidModule); !ok {
return
}
moduleArches := []Arch{}
multilib := module.base().commonProperties.Compile_multilib
if module.base().HostSupported() && module.base().HostOrDevice().Host() {
hostModuleArches, err := decodeMultilib(multilib, mctx.Config().(Config).HostArches[module.base().HostType()])
if err != nil {
mctx.ModuleErrorf("%s", err.Error())
}
moduleArches = append(moduleArches, hostModuleArches...)
}
if module.base().DeviceSupported() && module.base().HostOrDevice().Device() {
deviceModuleArches, err := decodeMultilib(multilib, mctx.Config().(Config).DeviceArches)
if err != nil {
mctx.ModuleErrorf("%s", err.Error())
}
moduleArches = append(moduleArches, deviceModuleArches...)
}
if len(moduleArches) == 0 {
return
}
archNames := []string{}
for _, arch := range moduleArches {
archNames = append(archNames, arch.String())
}
modules := mctx.CreateVariations(archNames...)
for i, m := range modules {
m.(AndroidModule).base().SetArch(moduleArches[i])
m.(AndroidModule).base().setArchProperties(mctx)
}
}
func InitArchModule(m AndroidModule,
propertyStructs ...interface{}) (blueprint.Module, []interface{}) {
base := m.base()
base.generalProperties = append(base.generalProperties,
propertyStructs...)
for _, properties := range base.generalProperties {
propertiesValue := reflect.ValueOf(properties)
if propertiesValue.Kind() != reflect.Ptr {
panic(fmt.Errorf("properties must be a pointer to a struct, got %T",
propertiesValue.Interface()))
}
propertiesValue = propertiesValue.Elem()
if propertiesValue.Kind() != reflect.Struct {
panic(fmt.Errorf("properties must be a pointer to a struct, got %T",
propertiesValue.Interface()))
}
archProperties := &archProperties{}
forEachInterface(reflect.ValueOf(archProperties), func(v reflect.Value) {
newValue := proptools.CloneEmptyProperties(propertiesValue)
v.Set(newValue)
})
base.archProperties = append(base.archProperties, archProperties)
}
var allProperties []interface{}
allProperties = append(allProperties, base.generalProperties...)
for _, asp := range base.archProperties {
allProperties = append(allProperties, asp)
}
return m, allProperties
}
var variantReplacer = strings.NewReplacer("-", "_", ".", "_")
func (a *AndroidModuleBase) appendProperties(ctx AndroidBottomUpMutatorContext,
dst, src interface{}, field, srcPrefix string) interface{} {
srcField := reflect.ValueOf(src).FieldByName(field)
if !srcField.IsValid() {
ctx.ModuleErrorf("field %q does not exist", srcPrefix)
return nil
}
ret := srcField
if srcField.Kind() == reflect.Struct {
srcField = srcField.FieldByName("Embed")
}
src = srcField.Elem().Interface()
filter := func(property string,
dstField, srcField reflect.StructField,
dstValue, srcValue interface{}) (bool, error) {
srcProperty := srcPrefix + "." + property
if !proptools.HasTag(dstField, "android", "arch_variant") {
if ctx.ContainsProperty(srcProperty) {
return false, fmt.Errorf("can't be specific to a build variant")
} else {
return false, nil
}
}
return true, nil
}
err := proptools.AppendProperties(dst, src, filter)
if err != nil {
if propertyErr, ok := err.(*proptools.ExtendPropertyError); ok {
ctx.PropertyErrorf(propertyErr.Property, "%s", propertyErr.Err.Error())
} else {
panic(err)
}
}
return ret.Interface()
}
// Rewrite the module's properties structs to contain arch-specific values.
func (a *AndroidModuleBase) setArchProperties(ctx AndroidBottomUpMutatorContext) {
arch := a.commonProperties.CompileArch
hod := a.commonProperties.CompileHostOrDevice
ht := a.commonProperties.CompileHostType
if arch.ArchType == Common {
return
}
for i := range a.generalProperties {
genProps := a.generalProperties[i]
archProps := a.archProperties[i]
// Handle arch-specific properties in the form:
// arch: {
// arm64: {
// key: value,
// },
// },
t := arch.ArchType
field := proptools.FieldNameForProperty(t.Name)
prefix := "arch." + t.Name
archStruct := a.appendProperties(ctx, genProps, archProps.Arch, field, prefix)
// Handle arch-variant-specific properties in the form:
// arch: {
// variant: {
// key: value,
// },
// },
v := variantReplacer.Replace(arch.ArchVariant)
if v != "" {
field := proptools.FieldNameForProperty(v)
prefix := "arch." + t.Name + "." + v
a.appendProperties(ctx, genProps, archStruct, field, prefix)
}
// Handle cpu-variant-specific properties in the form:
// arch: {
// variant: {
// key: value,
// },
// },
c := variantReplacer.Replace(arch.CpuVariant)
if c != "" {
field := proptools.FieldNameForProperty(c)
prefix := "arch." + t.Name + "." + c
a.appendProperties(ctx, genProps, archStruct, field, prefix)
}
// Handle arch-feature-specific properties in the form:
// arch: {
// feature: {
// key: value,
// },
// },
for _, feature := range arch.ArchFeatures {
field := proptools.FieldNameForProperty(feature)
prefix := "arch." + t.Name + "." + feature
a.appendProperties(ctx, genProps, archStruct, field, prefix)
}
// Handle multilib-specific properties in the form:
// multilib: {
// lib32: {
// key: value,
// },
// },
field = proptools.FieldNameForProperty(t.Multilib)
prefix = "multilib." + t.Multilib
a.appendProperties(ctx, genProps, archProps.Multilib, field, prefix)
// Handle host-or-device-specific properties in the form:
// target: {
// host: {
// key: value,
// },
// },
hodProperty := hod.Property()
field = proptools.FieldNameForProperty(hodProperty)
prefix = "target." + hodProperty
a.appendProperties(ctx, genProps, archProps.Target, field, prefix)
// Handle host target properties in the form:
// target: {
// linux: {
// key: value,
// },
// not_windows: {
// key: value,
// },
// linux_x86: {
// key: value,
// },
// linux_arm: {
// key: value,
// },
// },
if hod.Host() {
field := ht.Field()
prefix := "target." + ht.String()
a.appendProperties(ctx, genProps, archProps.Target, field, prefix)
t := arch.ArchType
field = ht.Field() + "_" + t.Name
prefix = "target." + ht.String() + "_" + t.Name
a.appendProperties(ctx, genProps, archProps.Target, field, prefix)
if ht != Windows {
field := "Not_windows"
prefix := "target.not_windows"
a.appendProperties(ctx, genProps, archProps.Target, field, prefix)
}
}
// Handle 64-bit device properties in the form:
// target {
// android64 {
// key: value,
// },
// android32 {
// key: value,
// },
// },
// WARNING: this is probably not what you want to use in your blueprints file, it selects
// options for all targets on a device that supports 64-bit binaries, not just the targets
// that are being compiled for 64-bit. Its expected use case is binaries like linker and
// debuggerd that need to know when they are a 32-bit process running on a 64-bit device
if hod.Device() {
if true /* && target_is_64_bit */ {
field := "Android64"
prefix := "target.android64"
a.appendProperties(ctx, genProps, archProps.Target, field, prefix)
} else {
field := "Android32"
prefix := "target.android32"
a.appendProperties(ctx, genProps, archProps.Target, field, prefix)
}
}
// Handle device architecture properties in the form:
// target {
// android_arm {
// key: value,
// },
// android_x86 {
// key: value,
// },
// },
if hod.Device() {
t := arch.ArchType
field := "Android_" + t.Name
prefix := "target.android_" + t.Name
a.appendProperties(ctx, genProps, archProps.Target, field, prefix)
}
if ctx.Failed() {
return
}
}
}
func forEachInterface(v reflect.Value, f func(reflect.Value)) {
switch v.Kind() {
case reflect.Interface:
f(v)
case reflect.Struct:
for i := 0; i < v.NumField(); i++ {
forEachInterface(v.Field(i), f)
}
case reflect.Ptr:
forEachInterface(v.Elem(), f)
default:
panic(fmt.Errorf("Unsupported kind %s", v.Kind()))
}
}
// Get a list of HostTypes from the product variables
func decodeHostTypesProductVariables(variables productVariables) ([]HostType, error) {
ret := []HostType{CurrentHostType()}
if variables.CrossHost != nil && *variables.CrossHost != "" {
switch *variables.CrossHost {
case "windows":
ret = append(ret, Windows)
default:
return nil, fmt.Errorf("Unsupported secondary host: %s", *variables.CrossHost)
}
}
return ret, nil
}
// Convert the arch product variables into a list of host and device Arch structs
func decodeArchProductVariables(variables productVariables) (map[HostType][]Arch, []Arch, error) {
if variables.HostArch == nil {
return nil, nil, fmt.Errorf("No host primary architecture set")
}
hostArch, err := decodeArch(*variables.HostArch, nil, nil, nil)
if err != nil {
return nil, nil, err
}
hostArches := []Arch{hostArch}
if variables.HostSecondaryArch != nil && *variables.HostSecondaryArch != "" {
hostSecondaryArch, err := decodeArch(*variables.HostSecondaryArch, nil, nil, nil)
if err != nil {
return nil, nil, err
}
hostArches = append(hostArches, hostSecondaryArch)
}
hostTypeArches := map[HostType][]Arch{
CurrentHostType(): hostArches,
}
if variables.CrossHost != nil && *variables.CrossHost != "" {
if variables.CrossHostArch == nil || *variables.CrossHostArch == "" {
return nil, nil, fmt.Errorf("No cross-host primary architecture set")
}
crossHostArch, err := decodeArch(*variables.CrossHostArch, nil, nil, nil)
if err != nil {
return nil, nil, err
}
crossHostArches := []Arch{crossHostArch}
if variables.CrossHostSecondaryArch != nil && *variables.CrossHostSecondaryArch != "" {
crossHostSecondaryArch, err := decodeArch(*variables.CrossHostSecondaryArch, nil, nil, nil)
if err != nil {
return nil, nil, err
}
crossHostArches = append(crossHostArches, crossHostSecondaryArch)
}
switch *variables.CrossHost {
case "windows":
hostTypeArches[Windows] = crossHostArches
default:
return nil, nil, fmt.Errorf("Unsupported cross-host: %s", *variables.CrossHost)
}
}
if variables.DeviceArch == nil {
return nil, nil, fmt.Errorf("No device primary architecture set")
}
deviceArch, err := decodeArch(*variables.DeviceArch, variables.DeviceArchVariant,
variables.DeviceCpuVariant, variables.DeviceAbi)
if err != nil {
return nil, nil, err
}
deviceArches := []Arch{deviceArch}
if variables.DeviceSecondaryArch != nil && *variables.DeviceSecondaryArch != "" {
deviceSecondaryArch, err := decodeArch(*variables.DeviceSecondaryArch,
variables.DeviceSecondaryArchVariant, variables.DeviceSecondaryCpuVariant,
variables.DeviceSecondaryAbi)
if err != nil {
return nil, nil, err
}
deviceArches = append(deviceArches, deviceSecondaryArch)
}
return hostTypeArches, deviceArches, nil
}
func decodeMegaDevice() ([]Arch, error) {
archSettings := []struct {
arch string
archVariant string
cpuVariant string
abi []string
}{
{"arm", "armv7-a-neon", "cortex-a7", []string{"armeabi-v7a"}},
{"arm", "armv7-a-neon", "cortex-a8", []string{"armeabi-v7a"}},
// gtest_all_test.cc fails to build:
// error in backend: Unsupported library call operation!
//{"arm", "armv7-a-neon", "cortex-a9", []string{"armeabi-v7a"}},
{"arm", "armv7-a-neon", "cortex-a15", []string{"armeabi-v7a"}},
{"arm", "armv7-a-neon", "cortex-a53", []string{"armeabi-v7a"}},
{"arm", "armv7-a-neon", "cortex-a53.a57", []string{"armeabi-v7a"}},
{"arm", "armv7-a-neon", "denver", []string{"armeabi-v7a"}},
{"arm", "armv7-a-neon", "krait", []string{"armeabi-v7a"}},
{"arm64", "", "cortex-a53", []string{"arm64-v8a"}},
{"arm64", "", "denver64", []string{"arm64-v8a"}},
{"mips", "mips32-fp", "", []string{"mips"}},
{"mips", "mips32r2-fp", "", []string{"mips"}},
{"mips", "mips32r2-fp-xburst", "", []string{"mips"}},
{"mips", "mips32r6", "", []string{"mips32r6"}},
// mips32r2dsp[r2]-fp fails in the assembler for divdf3.c in compiler-rt:
// (same errors in make and soong)
// Error: invalid operands `mtlo $ac0,$11'
// Error: invalid operands `mthi $ac0,$12'
//{"mips", "mips32r2dsp-fp", "", []string{"mips"}},
//{"mips", "mips32r2dspr2-fp", "", []string{"mips"}},
// mips64r2 is mismatching 64r2 and 64r6 libraries during linking to libgcc
//{"mips64", "mips64r2", "", []string{"mips64"}},
{"mips64", "mips64r6", "", []string{"mips64"}},
{"x86", "", "", []string{"x86"}},
{"x86", "atom", "", []string{"x86"}},
{"x86", "haswell", "", []string{"x86"}},
{"x86", "ivybridge", "", []string{"x86"}},
{"x86", "sandybridge", "", []string{"x86"}},
{"x86", "silvermont", "", []string{"x86"}},
{"x86_64", "", "", []string{"x86_64"}},
{"x86_64", "haswell", "", []string{"x86_64"}},
{"x86_64", "ivybridge", "", []string{"x86_64"}},
{"x86_64", "sandybridge", "", []string{"x86_64"}},
{"x86_64", "silvermont", "", []string{"x86_64"}},
}
var ret []Arch
for _, config := range archSettings {
arch, err := decodeArch(config.arch, &config.archVariant,
&config.cpuVariant, &config.abi)
if err != nil {
return nil, err
}
ret = append(ret, arch)
}
return ret, nil
}
// Convert a set of strings from product variables into a single Arch struct
func decodeArch(arch string, archVariant, cpuVariant *string, abi *[]string) (Arch, error) {
stringPtr := func(p *string) string {
if p != nil {
return *p
}
return ""
}
slicePtr := func(p *[]string) []string {
if p != nil {
return *p
}
return nil
}
archType, ok := archTypeMap[arch]
if !ok {
return Arch{}, fmt.Errorf("unknown arch %q", arch)
}
a := Arch{
ArchType: archType,
ArchVariant: stringPtr(archVariant),
CpuVariant: stringPtr(cpuVariant),
Abi: slicePtr(abi),
}
if a.ArchVariant == a.ArchType.Name || a.ArchVariant == "generic" {
a.ArchVariant = ""
}
if a.CpuVariant == a.ArchType.Name || a.CpuVariant == "generic" {
a.CpuVariant = ""
}
for i := 0; i < len(a.Abi); i++ {
if a.Abi[i] == "" {
a.Abi = append(a.Abi[:i], a.Abi[i+1:]...)
i--
}
}
if featureMap, ok := archFeatureMap[archType]; ok {
a.ArchFeatures = featureMap[stringPtr(archVariant)]
}
return a, nil
}
// Use the module multilib setting to select one or more arches from an arch list
func decodeMultilib(multilib string, arches []Arch) ([]Arch, error) {
buildArches := []Arch{}
switch multilib {
case "common":
buildArches = append(buildArches, commonArch)
case "both":
buildArches = append(buildArches, arches...)
case "first":
buildArches = append(buildArches, arches[0])
case "32":
for _, a := range arches {
if a.ArchType.Multilib == "lib32" {
buildArches = append(buildArches, a)
}
}
case "64":
for _, a := range arches {
if a.ArchType.Multilib == "lib64" {
buildArches = append(buildArches, a)
}
}
default:
return nil, fmt.Errorf(`compile_multilib must be "both", "first", "32", or "64", found %q`,
multilib)
//buildArches = append(buildArches, arches[0])
}
return buildArches, nil
}