| // Copyright 2018 The Bazel Authors. 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 com.google.devtools.build.lib.bazel.rules.android.ndkcrosstools.r15; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.bazel.rules.android.ndkcrosstools.NdkPaths; |
| import com.google.devtools.build.lib.bazel.rules.android.ndkcrosstools.StlImpl; |
| import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CToolchain; |
| import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CompilationMode; |
| import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CompilationModeFlags; |
| import java.util.List; |
| |
| /** |
| * Crosstool definitions for ARM. These values are based on the setup.mk files in the Android NDK |
| * toolchain directories. |
| */ |
| final class ArmCrosstools { |
| private final NdkPaths ndkPaths; |
| private final StlImpl stlImpl; |
| private final String clangVersion; |
| |
| ArmCrosstools(NdkPaths ndkPaths, StlImpl stlImpl, String clangVersion) { |
| this.ndkPaths = ndkPaths; |
| this.stlImpl = stlImpl; |
| this.clangVersion = clangVersion; |
| } |
| |
| ImmutableList<CToolchain.Builder> createCrosstools() { |
| return ImmutableList.<CToolchain.Builder>builder() |
| .add(createAarch64ClangToolchain()) |
| .addAll(createArmeabiClangToolchain()) |
| .build(); |
| } |
| |
| private CToolchain.Builder createAarch64ClangToolchain() { |
| String toolchainName = "aarch64-linux-android-4.9"; |
| String targetPlatform = "aarch64-linux-android"; |
| String gccToolchain = ndkPaths.createGccToolchainPath(toolchainName); |
| String llvmTriple = "aarch64-none-linux-android"; |
| |
| CToolchain.Builder toolchain = |
| CToolchain.newBuilder() |
| .setToolchainIdentifier("aarch64-linux-android-clang" + clangVersion) |
| .setTargetSystemName(targetPlatform) |
| .setTargetCpu("arm64-v8a") |
| .setCompiler("clang" + clangVersion) |
| .addAllToolPath(ndkPaths.createClangToolpaths(toolchainName, targetPlatform, null)) |
| .addCxxBuiltinIncludeDirectory( |
| ndkPaths.createClangToolchainBuiltinIncludeDirectory(clangVersion)) |
| .setBuiltinSysroot(ndkPaths.createBuiltinSysroot("arm64")) |
| |
| // Compiler flags |
| .addCompilerFlag("-gcc-toolchain") |
| .addCompilerFlag(gccToolchain) |
| .addCompilerFlag("-target") |
| .addCompilerFlag(llvmTriple) |
| .addCompilerFlag("-ffunction-sections") |
| .addCompilerFlag("-funwind-tables") |
| .addCompilerFlag("-fstack-protector-strong") |
| .addCompilerFlag("-fpic") |
| .addCompilerFlag("-Wno-invalid-command-line-argument") |
| .addCompilerFlag("-Wno-unused-command-line-argument") |
| .addCompilerFlag("-no-canonical-prefixes") |
| .addCompilerFlag( |
| "-isystem%ndk%/usr/include/%triple%" |
| .replace("%ndk%", ndkPaths.createBuiltinSysroot()) |
| .replace("%triple%", targetPlatform)) |
| .addCompilerFlag("-D__ANDROID_API__=" + ndkPaths.getCorrectedApiLevel("arm")) |
| |
| // Linker flags |
| .addLinkerFlag("-gcc-toolchain") |
| .addLinkerFlag(gccToolchain) |
| .addLinkerFlag("-target") |
| .addLinkerFlag(llvmTriple) |
| .addLinkerFlag("-no-canonical-prefixes") |
| |
| // Additional release flags |
| .addCompilationModeFlags( |
| CompilationModeFlags.newBuilder() |
| .setMode(CompilationMode.OPT) |
| .addCompilerFlag("-O2") |
| .addCompilerFlag("-g") |
| .addCompilerFlag("-DNDEBUG")) |
| |
| // Additional debug flags |
| .addCompilationModeFlags( |
| CompilationModeFlags.newBuilder() |
| .setMode(CompilationMode.DBG) |
| .addCompilerFlag("-O0") |
| .addCompilerFlag("-g") |
| .addCompilerFlag("-UNDEBUG")); |
| |
| stlImpl.addStlImpl(toolchain, "4.9"); |
| return toolchain; |
| } |
| |
| private List<CToolchain.Builder> createArmeabiClangToolchain() { |
| ImmutableList<CToolchain.Builder> toolchains = |
| ImmutableList.of( |
| createBaseArmeabiClangToolchain() |
| .setToolchainIdentifier("arm-linux-androideabi-clang" + clangVersion) |
| .setTargetCpu("armeabi") |
| .addCompilerFlag("-target") |
| .addCompilerFlag("armv5te-none-linux-androideabi") // LLVM_TRIPLE |
| .addCompilerFlag("-march=armv5te") |
| .addCompilerFlag("-mtune=xscale") |
| .addCompilerFlag("-msoft-float") |
| .addLinkerFlag("-target") |
| // LLVM_TRIPLE |
| .addLinkerFlag("armv5te-none-linux-androideabi"), |
| createBaseArmeabiClangToolchain() |
| .setToolchainIdentifier("arm-linux-androideabi-clang" + clangVersion + "-v7a") |
| .setTargetCpu("armeabi-v7a") |
| .addCompilerFlag("-target") |
| .addCompilerFlag("armv7-none-linux-androideabi") // LLVM_TRIPLE |
| .addCompilerFlag("-march=armv7-a") |
| .addCompilerFlag("-mfloat-abi=softfp") |
| .addCompilerFlag("-mfpu=vfpv3-d16") |
| .addLinkerFlag("-target") |
| .addLinkerFlag("armv7-none-linux-androideabi") // LLVM_TRIPLE |
| .addLinkerFlag("-Wl,--fix-cortex-a8")); |
| stlImpl.addStlImpl(toolchains, "4.9"); |
| return toolchains; |
| } |
| |
| private CToolchain.Builder createBaseArmeabiClangToolchain() { |
| String toolchainName = "arm-linux-androideabi-4.9"; |
| String targetPlatform = "arm-linux-androideabi"; |
| String gccToolchain = ndkPaths.createGccToolchainPath("arm-linux-androideabi-4.9"); |
| |
| CToolchain.Builder toolchain = |
| CToolchain.newBuilder() |
| .setTargetSystemName("arm-linux-androideabi") |
| .setCompiler("clang" + clangVersion) |
| .addAllToolPath(ndkPaths.createClangToolpaths(toolchainName, targetPlatform, null)) |
| .addCxxBuiltinIncludeDirectory( |
| ndkPaths.createClangToolchainBuiltinIncludeDirectory(clangVersion)) |
| .setBuiltinSysroot(ndkPaths.createBuiltinSysroot("arm")) |
| .addCompilerFlag("-D__ANDROID_API__=" + ndkPaths.getCorrectedApiLevel("arm")) |
| .addCompilerFlag( |
| "-isystem%ndk%/usr/include/%triple%" |
| .replace("%ndk%", ndkPaths.createBuiltinSysroot()) |
| .replace("%triple%", targetPlatform)) |
| |
| // Compiler flags |
| .addCompilerFlag("-gcc-toolchain") |
| .addCompilerFlag(gccToolchain) |
| .addCompilerFlag("-fpic") |
| .addCompilerFlag("-ffunction-sections") |
| .addCompilerFlag("-funwind-tables") |
| .addCompilerFlag("-fstack-protector-strong") |
| .addCompilerFlag("-Wno-invalid-command-line-argument") |
| .addCompilerFlag("-Wno-unused-command-line-argument") |
| .addCompilerFlag("-no-canonical-prefixes") |
| .addCompilerFlag("-fno-integrated-as") |
| |
| // Linker flags |
| .addLinkerFlag("-gcc-toolchain") |
| .addLinkerFlag(gccToolchain) |
| .addLinkerFlag("-no-canonical-prefixes"); |
| |
| toolchain.addCompilationModeFlags( |
| CompilationModeFlags.newBuilder() |
| .setMode(CompilationMode.OPT) |
| .addCompilerFlag("-mthumb") |
| .addCompilerFlag("-Os") |
| .addCompilerFlag("-g") |
| .addCompilerFlag("-DNDEBUG")); |
| toolchain.addCompilationModeFlags( |
| CompilationModeFlags.newBuilder() |
| .setMode(CompilationMode.DBG) |
| .addCompilerFlag("-g") |
| .addCompilerFlag("-fno-strict-aliasing") |
| .addCompilerFlag("-O0") |
| .addCompilerFlag("-UNDEBUG")); |
| return toolchain; |
| } |
| } |