614 lines
18 KiB
Go
614 lines
18 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package common
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import (
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"fmt"
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"reflect"
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"runtime"
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"strings"
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"android/soong"
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"github.com/google/blueprint"
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"github.com/google/blueprint/proptools"
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)
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func init() {
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soong.RegisterEarlyMutator("host_or_device", HostOrDeviceMutator)
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soong.RegisterEarlyMutator("arch", ArchMutator)
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}
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var (
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Arm = newArch("arm", "lib32")
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Arm64 = newArch("arm64", "lib64")
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Mips = newArch("mips", "lib32")
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Mips64 = newArch("mips64", "lib64")
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X86 = newArch("x86", "lib32")
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X86_64 = newArch("x86_64", "lib64")
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Common = ArchType{
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Name: "common",
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}
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)
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/*
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Example blueprints file containing all variant property groups, with comment listing what type
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of variants get properties in that group:
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module {
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arch: {
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arm: {
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// Host or device variants with arm architecture
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},
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arm64: {
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// Host or device variants with arm64 architecture
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},
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mips: {
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// Host or device variants with mips architecture
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},
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mips64: {
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// Host or device variants with mips64 architecture
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},
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x86: {
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// Host or device variants with x86 architecture
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},
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x86_64: {
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// Host or device variants with x86_64 architecture
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},
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},
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multilib: {
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lib32: {
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// Host or device variants for 32-bit architectures
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},
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lib64: {
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// Host or device variants for 64-bit architectures
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},
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},
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target: {
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android: {
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// Device variants
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},
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host: {
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// Host variants
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},
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linux: {
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// Linux host variants
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},
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darwin: {
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// Darwin host variants
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},
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windows: {
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// Windows host variants
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},
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not_windows: {
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// Non-windows host variants
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},
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},
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}
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*/
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type archProperties struct {
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// Properties to vary by target architecture
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Arch struct {
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// Properties for module variants being built to run on arm (host or device)
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Arm interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on arm64 (host or device)
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Arm64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on mips (host or device)
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Mips interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on mips64 (host or device)
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Mips64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on x86 (host or device)
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X86 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on x86_64 (host or device)
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X86_64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Arm arch variants
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Armv5te interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Armv7_a interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Armv7_a_neon interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Arm cpu variants
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Cortex_a7 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Cortex_a8 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Cortex_a9 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Cortex_a15 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Krait interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Denver interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Arm64 cpu variants
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Cortex_a53 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Denver64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Mips arch variants
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Mips_rev6 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// X86 arch variants
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X86_sse3 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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X86_sse4 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// X86 cpu variants
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Atom interface{} `blueprint:"filter(android:\"arch_variant\")"`
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Silvermont interface{} `blueprint:"filter(android:\"arch_variant\")"`
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}
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// Properties to vary by 32-bit or 64-bit
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Multilib struct {
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// Properties for module variants being built to run on 32-bit devices
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Lib32 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on 64-bit devices
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Lib64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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}
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// Properties to vary by build target (host or device, os, os+archictecture)
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Target struct {
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// Properties for module variants being built to run on the host
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Host interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on the device
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Android interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on arm devices
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Android_arm interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on arm64 devices
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Android_arm64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on mips devices
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Android_mips interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on mips64 devices
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Android_mips64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on x86 devices
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Android_x86 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on x86_64 devices
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Android_x86_64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on devices that support 64-bit
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Android64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on devices that do not support 64-bit
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Android32 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on linux hosts
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Linux interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on linux x86 hosts
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Linux_x86 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on linux x86_64 hosts
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Linux_x86_64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on darwin hosts
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Darwin interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on darwin x86 hosts
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Darwin_x86 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on darwin x86_64 hosts
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Darwin_x86_64 interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on windows hosts
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Windows interface{} `blueprint:"filter(android:\"arch_variant\")"`
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// Properties for module variants being built to run on linux or darwin hosts
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Not_windows interface{} `blueprint:"filter(android:\"arch_variant\")"`
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}
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}
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// An Arch indicates a single CPU architecture.
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type Arch struct {
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ArchType ArchType
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ArchVariant string
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CpuVariant string
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Abi string
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}
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func (a Arch) String() string {
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s := a.ArchType.String()
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if a.ArchVariant != "" {
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s += "_" + a.ArchVariant
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}
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if a.CpuVariant != "" {
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s += "_" + a.CpuVariant
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}
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return s
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}
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type ArchType struct {
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Name string
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Multilib string
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}
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func newArch(name, multilib string) ArchType {
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return ArchType{
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Name: name,
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Multilib: multilib,
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}
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}
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func (a ArchType) String() string {
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return a.Name
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}
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type HostOrDeviceSupported int
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const (
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_ HostOrDeviceSupported = iota
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HostSupported
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DeviceSupported
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HostAndDeviceSupported
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)
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type HostOrDevice int
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const (
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_ HostOrDevice = iota
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Host
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Device
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)
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func (hod HostOrDevice) String() string {
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switch hod {
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case Device:
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return "device"
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case Host:
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return "host"
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default:
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panic(fmt.Sprintf("unexpected HostOrDevice value %d", hod))
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}
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}
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func (hod HostOrDevice) Property() string {
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switch hod {
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case Device:
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return "android"
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case Host:
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return "host"
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default:
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panic(fmt.Sprintf("unexpected HostOrDevice value %d", hod))
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}
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}
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func (hod HostOrDevice) Host() bool {
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if hod == 0 {
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panic("HostOrDevice unset")
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}
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return hod == Host
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}
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func (hod HostOrDevice) Device() bool {
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if hod == 0 {
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panic("HostOrDevice unset")
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}
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return hod == Device
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}
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var hostOrDeviceName = map[HostOrDevice]string{
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Device: "device",
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Host: "host",
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}
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var (
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armArch = Arch{
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ArchType: Arm,
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ArchVariant: "armv7-a-neon",
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CpuVariant: "cortex-a15",
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Abi: "armeabi-v7a",
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}
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arm64Arch = Arch{
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ArchType: Arm64,
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CpuVariant: "denver64",
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Abi: "arm64-v8a",
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}
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x86Arch = Arch{
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ArchType: X86,
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}
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x8664Arch = Arch{
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ArchType: X86_64,
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}
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commonArch = Arch{
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ArchType: Common,
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}
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)
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func HostOrDeviceMutator(mctx blueprint.EarlyMutatorContext) {
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var module AndroidModule
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var ok bool
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if module, ok = mctx.Module().(AndroidModule); !ok {
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return
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}
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hods := []HostOrDevice{}
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if module.base().HostSupported() {
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hods = append(hods, Host)
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}
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if module.base().DeviceSupported() {
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hods = append(hods, Device)
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}
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if len(hods) == 0 {
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return
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}
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hodNames := []string{}
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for _, hod := range hods {
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hodNames = append(hodNames, hod.String())
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}
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modules := mctx.CreateVariations(hodNames...)
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for i, m := range modules {
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m.(AndroidModule).base().SetHostOrDevice(hods[i])
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}
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}
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func ArchMutator(mctx blueprint.EarlyMutatorContext) {
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var module AndroidModule
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var ok bool
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if module, ok = mctx.Module().(AndroidModule); !ok {
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return
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}
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// TODO: this is all hardcoded for arm64 primary, arm secondary for now
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// Replace with a configuration file written by lunch or bootstrap
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arches := []Arch{}
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if module.base().HostSupported() && module.base().HostOrDevice().Host() {
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switch module.base().commonProperties.Compile_multilib {
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case "common":
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arches = append(arches, commonArch)
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case "both":
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arches = append(arches, x8664Arch, x86Arch)
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case "first", "64":
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arches = append(arches, x8664Arch)
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case "32":
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arches = append(arches, x86Arch)
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default:
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arches = append(arches, x8664Arch)
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}
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}
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if module.base().DeviceSupported() && module.base().HostOrDevice().Device() {
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switch module.base().commonProperties.Compile_multilib {
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case "common":
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arches = append(arches, commonArch)
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case "both":
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arches = append(arches, arm64Arch, armArch)
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case "first", "64":
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arches = append(arches, arm64Arch)
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case "32":
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arches = append(arches, armArch)
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default:
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mctx.ModuleErrorf(`compile_multilib must be "both", "first", "32", or "64", found %q`,
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module.base().commonProperties.Compile_multilib)
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}
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}
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if len(arches) == 0 {
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return
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}
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archNames := []string{}
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for _, arch := range arches {
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archNames = append(archNames, arch.String())
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}
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modules := mctx.CreateVariations(archNames...)
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for i, m := range modules {
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m.(AndroidModule).base().SetArch(arches[i])
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m.(AndroidModule).base().setArchProperties(mctx)
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}
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}
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func InitArchModule(m AndroidModule, defaultMultilib Multilib,
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propertyStructs ...interface{}) (blueprint.Module, []interface{}) {
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base := m.base()
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base.commonProperties.Compile_multilib = string(defaultMultilib)
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base.generalProperties = append(base.generalProperties,
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propertyStructs...)
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for _, properties := range base.generalProperties {
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propertiesValue := reflect.ValueOf(properties)
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if propertiesValue.Kind() != reflect.Ptr {
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panic("properties must be a pointer to a struct")
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}
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propertiesValue = propertiesValue.Elem()
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if propertiesValue.Kind() != reflect.Struct {
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panic("properties must be a pointer to a struct")
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}
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archProperties := &archProperties{}
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forEachInterface(reflect.ValueOf(archProperties), func(v reflect.Value) {
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newValue := proptools.CloneEmptyProperties(propertiesValue)
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v.Set(newValue)
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})
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base.archProperties = append(base.archProperties, archProperties)
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}
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var allProperties []interface{}
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allProperties = append(allProperties, base.generalProperties...)
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for _, asp := range base.archProperties {
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allProperties = append(allProperties, asp)
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}
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return m, allProperties
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}
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var dashToUnderscoreReplacer = strings.NewReplacer("-", "_")
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// Rewrite the module's properties structs to contain arch-specific values.
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func (a *AndroidModuleBase) setArchProperties(ctx blueprint.EarlyMutatorContext) {
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arch := a.commonProperties.CompileArch
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hod := a.commonProperties.CompileHostOrDevice
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if arch.ArchType == Common {
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return
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}
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callback := func(srcPropertyName, dstPropertyName string) {
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a.extendedProperties[dstPropertyName] = struct{}{}
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}
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for i := range a.generalProperties {
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generalPropsValue := []reflect.Value{reflect.ValueOf(a.generalProperties[i]).Elem()}
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// Handle arch-specific properties in the form:
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// arch: {
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// arm64: {
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// key: value,
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// },
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// },
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t := arch.ArchType
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field := proptools.FieldNameForProperty(t.Name)
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extendProperties(ctx, "arch_variant", "arch."+t.Name, generalPropsValue,
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reflect.ValueOf(a.archProperties[i].Arch).FieldByName(field).Elem().Elem(), callback)
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// Handle arch-variant-specific properties in the form:
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// arch: {
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// variant: {
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// key: value,
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// },
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// },
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v := dashToUnderscoreReplacer.Replace(arch.ArchVariant)
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if v != "" {
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field := proptools.FieldNameForProperty(v)
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extendProperties(ctx, "arch_variant", "arch."+v, generalPropsValue,
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reflect.ValueOf(a.archProperties[i].Arch).FieldByName(field).Elem().Elem(), callback)
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}
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// Handle cpu-variant-specific properties in the form:
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// arch: {
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// variant: {
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// key: value,
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// },
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// },
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c := dashToUnderscoreReplacer.Replace(arch.CpuVariant)
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if c != "" {
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field := proptools.FieldNameForProperty(c)
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extendProperties(ctx, "arch_variant", "arch."+c, generalPropsValue,
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reflect.ValueOf(a.archProperties[i].Arch).FieldByName(field).Elem().Elem(), callback)
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}
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// Handle multilib-specific properties in the form:
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// multilib: {
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// lib32: {
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// key: value,
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// },
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// },
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multilibField := proptools.FieldNameForProperty(t.Multilib)
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extendProperties(ctx, "arch_variant", "multilib."+t.Multilib, generalPropsValue,
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reflect.ValueOf(a.archProperties[i].Multilib).FieldByName(multilibField).Elem().Elem(), callback)
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// Handle host-or-device-specific properties in the form:
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// target: {
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// host: {
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// key: value,
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// },
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// },
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hodProperty := hod.Property()
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hodField := proptools.FieldNameForProperty(hodProperty)
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extendProperties(ctx, "arch_variant", "target."+hodProperty, generalPropsValue,
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reflect.ValueOf(a.archProperties[i].Target).FieldByName(hodField).Elem().Elem(), callback)
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// Handle host target properties in the form:
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// target: {
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// linux: {
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// key: value,
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// },
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// not_windows: {
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// key: value,
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// },
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// linux_x86: {
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// key: value,
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// },
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// linux_arm: {
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// key: value,
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// },
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// },
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var osList = []struct {
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goos string
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field string
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}{
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{"darwin", "Darwin"},
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{"linux", "Linux"},
|
|
{"windows", "Windows"},
|
|
}
|
|
|
|
if hod.Host() {
|
|
for _, v := range osList {
|
|
if v.goos == runtime.GOOS {
|
|
extendProperties(ctx, "arch_variant", "target."+v.goos, generalPropsValue,
|
|
reflect.ValueOf(a.archProperties[i].Target).FieldByName(v.field).Elem().Elem(), callback)
|
|
t := arch.ArchType
|
|
extendProperties(ctx, "arch_variant", "target."+v.goos+"_"+t.Name, generalPropsValue,
|
|
reflect.ValueOf(a.archProperties[i].Target).FieldByName(v.field+"_"+t.Name).Elem().Elem(), callback)
|
|
}
|
|
}
|
|
extendProperties(ctx, "arch_variant", "target.not_windows", generalPropsValue,
|
|
reflect.ValueOf(a.archProperties[i].Target).FieldByName("Not_windows").Elem().Elem(), callback)
|
|
}
|
|
|
|
// 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 */ {
|
|
extendProperties(ctx, "arch_variant", "target.android64", generalPropsValue,
|
|
reflect.ValueOf(a.archProperties[i].Target).FieldByName("Android64").Elem().Elem(), callback)
|
|
} else {
|
|
extendProperties(ctx, "arch_variant", "target.android32", generalPropsValue,
|
|
reflect.ValueOf(a.archProperties[i].Target).FieldByName("Android32").Elem().Elem(), callback)
|
|
}
|
|
}
|
|
|
|
// Handle device architecture properties in the form:
|
|
// target {
|
|
// android_arm {
|
|
// key: value,
|
|
// },
|
|
// android_x86 {
|
|
// key: value,
|
|
// },
|
|
// },
|
|
if hod.Device() {
|
|
t := arch.ArchType
|
|
extendProperties(ctx, "arch_variant", "target.android_"+t.Name, generalPropsValue,
|
|
reflect.ValueOf(a.archProperties[i].Target).FieldByName("Android_"+t.Name).Elem().Elem(), callback)
|
|
}
|
|
|
|
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()))
|
|
}
|
|
}
|