| // 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 config |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| "android/soong/android" |
| ) |
| |
| var ( |
| arm64Cflags = []string{ |
| // Help catch common 32/64-bit errors. |
| "-Werror=implicit-function-declaration", |
| } |
| |
| arm64ArchVariantCflags = map[string][]string{ |
| "armv8-a": []string{ |
| "-march=armv8-a", |
| }, |
| "armv8-a-branchprot": []string{ |
| "-march=armv8-a", |
| "-mbranch-protection=standard", |
| }, |
| "armv8-2a": []string{ |
| "-march=armv8.2-a", |
| }, |
| "armv8-2a-dotprod": []string{ |
| "-march=armv8.2-a+dotprod", |
| }, |
| } |
| |
| arm64Ldflags = []string{ |
| "-Wl,--hash-style=gnu", |
| "-Wl,-z,separate-code", |
| } |
| |
| arm64Lldflags = append(arm64Ldflags, |
| "-Wl,-z,max-page-size=4096") |
| |
| arm64Cppflags = []string{} |
| |
| arm64CpuVariantCflags = map[string][]string{ |
| "cortex-a53": []string{ |
| "-mcpu=cortex-a53", |
| }, |
| "cortex-a55": []string{ |
| "-mcpu=cortex-a55", |
| }, |
| "cortex-a75": []string{ |
| // Use the cortex-a55 since it is similar to the little |
| // core (cortex-a55) and is sensitive to ordering. |
| "-mcpu=cortex-a55", |
| }, |
| "cortex-a76": []string{ |
| // Use the cortex-a55 since it is similar to the little |
| // core (cortex-a55) and is sensitive to ordering. |
| "-mcpu=cortex-a55", |
| }, |
| "kryo": []string{ |
| "-mcpu=kryo", |
| }, |
| "kryo385": []string{ |
| // Use cortex-a53 because kryo385 is not supported in GCC/clang. |
| "-mcpu=cortex-a53", |
| }, |
| "exynos-m1": []string{ |
| "-mcpu=exynos-m1", |
| }, |
| "exynos-m2": []string{ |
| "-mcpu=exynos-m2", |
| }, |
| } |
| ) |
| |
| const ( |
| arm64GccVersion = "4.9" |
| ) |
| |
| func init() { |
| pctx.StaticVariable("arm64GccVersion", arm64GccVersion) |
| |
| pctx.SourcePathVariable("Arm64GccRoot", |
| "prebuilts/gcc/${HostPrebuiltTag}/aarch64/aarch64-linux-android-${arm64GccVersion}") |
| |
| exportedVars.ExportStringListStaticVariable("Arm64Ldflags", arm64Ldflags) |
| exportedVars.ExportStringListStaticVariable("Arm64Lldflags", arm64Lldflags) |
| |
| exportedVars.ExportStringListStaticVariable("Arm64Cflags", arm64Cflags) |
| exportedVars.ExportStringListStaticVariable("Arm64Cppflags", arm64Cppflags) |
| |
| exportedVars.ExportVariableReferenceDict("Arm64ArchVariantCflags", arm64ArchVariantCflagsVar) |
| exportedVars.ExportVariableReferenceDict("Arm64CpuVariantCflags", arm64CpuVariantCflagsVar) |
| exportedVars.ExportVariableReferenceDict("Arm64CpuVariantLdflags", arm64CpuVariantLdflags) |
| |
| exportedVars.ExportStringListStaticVariable("Arm64Armv8ACflags", arm64ArchVariantCflags["armv8-a"]) |
| exportedVars.ExportStringListStaticVariable("Arm64Armv8ABranchProtCflags", arm64ArchVariantCflags["armv8-a-branchprot"]) |
| exportedVars.ExportStringListStaticVariable("Arm64Armv82ACflags", arm64ArchVariantCflags["armv8-2a"]) |
| exportedVars.ExportStringListStaticVariable("Arm64Armv82ADotprodCflags", arm64ArchVariantCflags["armv8-2a-dotprod"]) |
| |
| exportedVars.ExportStringListStaticVariable("Arm64CortexA53Cflags", arm64CpuVariantCflags["cortex-a53"]) |
| exportedVars.ExportStringListStaticVariable("Arm64CortexA55Cflags", arm64CpuVariantCflags["cortex-a55"]) |
| exportedVars.ExportStringListStaticVariable("Arm64KryoCflags", arm64CpuVariantCflags["kryo"]) |
| exportedVars.ExportStringListStaticVariable("Arm64ExynosM1Cflags", arm64CpuVariantCflags["exynos-m1"]) |
| exportedVars.ExportStringListStaticVariable("Arm64ExynosM2Cflags", arm64CpuVariantCflags["exynos-m2"]) |
| |
| exportedVars.ExportStringListStaticVariable("Arm64FixCortexA53Ldflags", []string{"-Wl,--fix-cortex-a53-843419"}) |
| } |
| |
| var ( |
| arm64ArchVariantCflagsVar = map[string]string{ |
| "armv8-a": "${config.Arm64Armv8ACflags}", |
| "armv8-a-branchprot": "${config.Arm64Armv8ABranchProtCflags}", |
| "armv8-2a": "${config.Arm64Armv82ACflags}", |
| "armv8-2a-dotprod": "${config.Arm64Armv82ADotprodCflags}", |
| } |
| |
| arm64CpuVariantCflagsVar = map[string]string{ |
| "cortex-a53": "${config.Arm64CortexA53Cflags}", |
| "cortex-a55": "${config.Arm64CortexA55Cflags}", |
| "cortex-a72": "${config.Arm64CortexA53Cflags}", |
| "cortex-a73": "${config.Arm64CortexA53Cflags}", |
| "cortex-a75": "${config.Arm64CortexA55Cflags}", |
| "cortex-a76": "${config.Arm64CortexA55Cflags}", |
| "kryo": "${config.Arm64KryoCflags}", |
| "kryo385": "${config.Arm64CortexA53Cflags}", |
| "exynos-m1": "${config.Arm64ExynosM1Cflags}", |
| "exynos-m2": "${config.Arm64ExynosM2Cflags}", |
| } |
| |
| arm64CpuVariantLdflags = map[string]string{ |
| "cortex-a53": "${config.Arm64FixCortexA53Ldflags}", |
| "cortex-a72": "${config.Arm64FixCortexA53Ldflags}", |
| "cortex-a73": "${config.Arm64FixCortexA53Ldflags}", |
| "kryo": "${config.Arm64FixCortexA53Ldflags}", |
| "exynos-m1": "${config.Arm64FixCortexA53Ldflags}", |
| "exynos-m2": "${config.Arm64FixCortexA53Ldflags}", |
| } |
| ) |
| |
| type toolchainArm64 struct { |
| toolchainBionic |
| toolchain64Bit |
| |
| ldflags string |
| lldflags string |
| toolchainCflags string |
| } |
| |
| func (t *toolchainArm64) Name() string { |
| return "arm64" |
| } |
| |
| func (t *toolchainArm64) GccRoot() string { |
| return "${config.Arm64GccRoot}" |
| } |
| |
| func (t *toolchainArm64) GccTriple() string { |
| return "aarch64-linux-android" |
| } |
| |
| func (t *toolchainArm64) GccVersion() string { |
| return arm64GccVersion |
| } |
| |
| func (t *toolchainArm64) IncludeFlags() string { |
| return "" |
| } |
| |
| func (t *toolchainArm64) ClangTriple() string { |
| return t.GccTriple() |
| } |
| |
| func (t *toolchainArm64) Cflags() string { |
| return "${config.Arm64Cflags}" |
| } |
| |
| func (t *toolchainArm64) Cppflags() string { |
| return "${config.Arm64Cppflags}" |
| } |
| |
| func (t *toolchainArm64) Ldflags() string { |
| return t.ldflags |
| } |
| |
| func (t *toolchainArm64) Lldflags() string { |
| return t.lldflags |
| } |
| |
| func (t *toolchainArm64) ToolchainCflags() string { |
| return t.toolchainCflags |
| } |
| |
| func (toolchainArm64) LibclangRuntimeLibraryArch() string { |
| return "aarch64" |
| } |
| |
| func arm64ToolchainFactory(arch android.Arch) Toolchain { |
| switch arch.ArchVariant { |
| case "armv8-a": |
| case "armv8-a-branchprot": |
| case "armv8-2a": |
| case "armv8-2a-dotprod": |
| // Nothing extra for armv8-a/armv8-2a |
| default: |
| panic(fmt.Sprintf("Unknown ARM architecture version: %q", arch.ArchVariant)) |
| } |
| |
| toolchainCflags := []string{arm64ArchVariantCflagsVar[arch.ArchVariant]} |
| toolchainCflags = append(toolchainCflags, |
| variantOrDefault(arm64CpuVariantCflagsVar, arch.CpuVariant)) |
| |
| extraLdflags := variantOrDefault(arm64CpuVariantLdflags, arch.CpuVariant) |
| return &toolchainArm64{ |
| ldflags: strings.Join([]string{ |
| "${config.Arm64Ldflags}", |
| extraLdflags, |
| }, " "), |
| lldflags: strings.Join([]string{ |
| "${config.Arm64Lldflags}", |
| extraLdflags, |
| }, " "), |
| toolchainCflags: strings.Join(toolchainCflags, " "), |
| } |
| } |
| |
| func init() { |
| registerToolchainFactory(android.Android, android.Arm64, arm64ToolchainFactory) |
| } |