Add soong_build primary builder
Initial build logic for building android with soong. It can build a variety of C and C++ files for arm/arm64 and host. Change-Id: I10eb37c2c2a50be6af1bb5fd568c0962b9476bf0
This commit is contained in:
Colin Cross
301
cc/arm_device.go
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301
cc/arm_device.go
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package cc
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import (
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"fmt"
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"strings"
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"android/soong/common"
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)
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var (
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armCflags = []string{
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"-fno-exceptions", // from build/core/combo/select.mk
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"-Wno-multichar", // from build/core/combo/select.mk
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"-fno-strict-aliasing",
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"-fstack-protector",
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"-ffunction-sections",
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"-fdata-sections",
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"-funwind-tables",
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"-fstack-protector",
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"-Wa,--noexecstack",
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"-Werror=format-security",
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"-D_FORTIFY_SOURCE=2",
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"-fno-short-enums",
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"-no-canonical-prefixes",
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"-fno-canonical-system-headers",
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"-include ${SrcDir}/build/core/combo/include/arch/linux-arm/AndroidConfig.h",
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"-fno-builtin-sin",
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"-fno-strict-volatile-bitfields",
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// TARGET_RELEASE_CFLAGS
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"-DNDEBUG",
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"-g",
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"-Wstrict-aliasing=2",
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"-fgcse-after-reload",
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"-frerun-cse-after-loop",
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"-frename-registers",
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}
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armCppflags = []string{
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"-fvisibility-inlines-hidden",
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}
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armLdflags = []string{
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"-Wl,-z,noexecstack",
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"-Wl,-z,relro",
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"-Wl,-z,now",
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"-Wl,--build-id=md5",
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"-Wl,--warn-shared-textrel",
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"-Wl,--fatal-warnings",
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"-Wl,-icf=safe",
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"-Wl,--hash-style=gnu",
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// Disable transitive dependency library symbol resolving.
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"-Wl,--allow-shlib-undefined",
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}
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armArmCflags = []string{
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"-O2",
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"-fomit-frame-pointer",
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"-fstrict-aliasing",
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"-funswitch-loops",
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}
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armThumbCflags = []string{
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"-mthumb",
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"-Os",
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"-fomit-frame-pointer",
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"-fno-strict-aliasing",
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}
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armArchVariantCflags = map[string][]string{
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"armv5te": []string{
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"-march=armv5te",
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"-mtune=xscale",
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"-D__ARM_ARCH_5__",
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"-D__ARM_ARCH_5T__",
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"-D__ARM_ARCH_5E__",
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"-D__ARM_ARCH_5TE__",
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},
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"armv7-a": []string{
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"-march=armv7-a",
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"-mfloat-abi=softfp",
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"-mfpu=vfpv3-d16",
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},
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"armv7-a-neon": []string{
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"-mfloat-abi=softfp",
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"-mfpu=neon",
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},
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}
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armArchVariantLdflags = map[string][]string{
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"armv7-a": []string{
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"-Wl,--fix-cortex-a8",
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},
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}
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armCpuVariantCflags = map[string][]string{
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"cortex-a7": []string{
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"-mcpu=cortex-a7",
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},
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"cortex-a8": []string{
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"-mcpu=cortex-a8",
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},
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"cortex-a15": []string{
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"-mcpu=cortex-a15",
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// Fake an ARM compiler flag as these processors support LPAE which GCC/clang
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// don't advertise.
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"-D__ARM_FEATURE_LPAE=1",
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},
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}
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armClangCpuVariantCflags = armCpuVariantCflags
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armClangArchVariantCflags = armArchVariantCflags
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)
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func init() {
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replaceFirst := func(slice []string, from, to string) {
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if slice[0] != from {
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panic(fmt.Errorf("Expected %q, found %q", from, to))
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}
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slice[0] = to
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}
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replaceFirst(armClangArchVariantCflags["armv5te"], "-march=armv5te", "-march=armv5t")
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replaceFirst(armClangCpuVariantCflags["cortex-a15"], "-mcpu=cortex-a15", "-march=armv7-a")
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armClangCpuVariantCflags["krait"] = []string{
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"-mcpu=krait",
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}
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pctx.StaticVariable("armGccVersion", "4.9")
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pctx.StaticVariable("armGccRoot",
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"${SrcDir}/prebuilts/gcc/${HostPrebuiltTag}/arm/arm-linux-androideabi-${armGccVersion}")
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pctx.StaticVariable("armGccTriple", "arm-linux-androideabi")
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pctx.StaticVariable("armCflags", strings.Join(armCflags, " "))
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pctx.StaticVariable("armLdflags", strings.Join(armLdflags, " "))
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pctx.StaticVariable("armCppflags", strings.Join(armCppflags, " "))
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pctx.StaticVariable("armIncludeFlags", strings.Join([]string{
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"-isystem ${LibcRoot}/arch-arm/include",
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"-isystem ${LibcRoot}/include",
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"-isystem ${LibcRoot}/kernel/uapi",
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"-isystem ${LibcRoot}/kernel/uapi/asm-arm",
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"-isystem ${LibmRoot}/include",
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"-isystem ${LibmRoot}/include/arm",
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}, " "))
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// Extended cflags
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// ARM mode vs. Thumb mode
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pctx.StaticVariable("armArmCflags", strings.Join(armArmCflags, " "))
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pctx.StaticVariable("armThumbCflags", strings.Join(armThumbCflags, " "))
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// Architecture variant cflags
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pctx.StaticVariable("armArmv5TECflags", strings.Join(armArchVariantCflags["armv5te"], " "))
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pctx.StaticVariable("armArmv7ACflags", strings.Join(armArchVariantCflags["armv7-a"], " "))
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pctx.StaticVariable("armArmv7ANeonCflags", strings.Join(armArchVariantCflags["armv7-a-neon"], " "))
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// Architecture variant ldflags
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pctx.StaticVariable("armArmv7ALdflags", strings.Join(armArchVariantLdflags["armv7-a"], " "))
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// Cpu variant cflags
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pctx.StaticVariable("armCortexA7Cflags", strings.Join(armCpuVariantCflags["cortex-a7"], " "))
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pctx.StaticVariable("armCortexA8Cflags", strings.Join(armCpuVariantCflags["cortex-a8"], " "))
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pctx.StaticVariable("armCortexA15Cflags", strings.Join(armCpuVariantCflags["cortex-a15"], " "))
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// Clang cflags
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pctx.StaticVariable("armClangCflags", strings.Join(clangFilterUnknownCflags(armCflags), " "))
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pctx.StaticVariable("armClangLdflags", strings.Join(clangFilterUnknownCflags(armLdflags), " "))
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pctx.StaticVariable("armClangCppflags", strings.Join(clangFilterUnknownCflags(armCppflags), " "))
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// Clang cpu variant cflags
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pctx.StaticVariable("armClangArmv5TECflags",
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strings.Join(armClangArchVariantCflags["armv5te"], " "))
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pctx.StaticVariable("armClangArmv7ACflags",
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strings.Join(armClangArchVariantCflags["armv7-a"], " "))
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pctx.StaticVariable("armClangArmv7ANeonCflags",
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strings.Join(armClangArchVariantCflags["armv7-a-neon"], " "))
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// Clang cpu variant cflags
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pctx.StaticVariable("armClangCortexA7Cflags",
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strings.Join(armClangCpuVariantCflags["cortex-a7"], " "))
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pctx.StaticVariable("armClangCortexA8Cflags",
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strings.Join(armClangCpuVariantCflags["cortex-a8"], " "))
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pctx.StaticVariable("armClangCortexA15Cflags",
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strings.Join(armClangCpuVariantCflags["cortex-a15"], " "))
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pctx.StaticVariable("armClangKraitCflags",
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strings.Join(armClangCpuVariantCflags["krait"], " "))
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}
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var (
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armArchVariantCflagsVar = map[string]string{
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"armv5te": "${armArmv5TECflags}",
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"armv7-a": "${armArmv7ACflags}",
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"armv7-a-neon": "${armArmv7ANeonCflags}",
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}
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armArchVariantLdflagsVar = map[string]string{
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"armv7-a": "${armArmv7ALdflags}",
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"armv7-a-neon": "${armArmv7ALdflags}",
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}
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armCpuVariantCflagsVar = map[string]string{
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"": "",
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"cortex-a7": "${armCortexA7Cflags}",
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"cortex-a8": "${armCortexA8Cflags}",
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"cortex-a15": "${armCortexA15Cflags}",
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"krait": "${armCortexA15Cflags}",
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"denver": "${armCortexA15Cflags}",
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}
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armClangArchVariantCflagsVar = map[string]string{
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"armv5te": "${armClangArmv5TECflags}",
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"armv7-a": "${armClangArmv7ACflags}",
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"armv7-a-neon": "${armClangArmv7ANeonCflags}",
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}
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armClangCpuVariantCflagsVar = map[string]string{
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"": "",
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"cortex-a7": "${armClangCortexA7Cflags}",
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"cortex-a8": "${armClangCortexA8Cflags}",
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"cortex-a15": "${armClangCortexA15Cflags}",
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"krait": "${armClangKraitCflags}",
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"denver": "${armClangCortexA15Cflags}",
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}
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)
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type toolchainArm struct {
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toolchain32Bit
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cflags, ldflags, clangCflags string
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}
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func (t *toolchainArm) GccRoot() string {
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return "${armGccRoot}"
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}
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func (t *toolchainArm) GccTriple() string {
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return "${armGccTriple}"
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}
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func (t *toolchainArm) Cflags() string {
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return t.cflags
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}
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func (t *toolchainArm) Cppflags() string {
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return "${armCppflags}"
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}
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func (t *toolchainArm) Ldflags() string {
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return t.ldflags
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}
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func (t *toolchainArm) IncludeFlags() string {
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return "${armIncludeFlags}"
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}
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func (t *toolchainArm) ClangTriple() string {
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return "${armGccTriple}"
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}
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func (t *toolchainArm) ClangCflags() string {
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return t.clangCflags
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}
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func (t *toolchainArm) ClangCppflags() string {
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return "${armClangCppflags}"
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}
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func (t *toolchainArm) ClangLdflags() string {
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return t.ldflags
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}
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func armToolchainFactory(archVariant string, cpuVariant string) toolchain {
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return &toolchainArm{
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cflags: strings.Join([]string{
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"${armCflags}",
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"${armIncludeFlags}",
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"${armThumbCflags}",
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armArchVariantCflagsVar[archVariant],
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armCpuVariantCflagsVar[cpuVariant],
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}, " "),
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ldflags: strings.Join([]string{
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"${armLdflags}",
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armArchVariantLdflagsVar[archVariant],
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}, " "),
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clangCflags: strings.Join([]string{
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"${armClangCflags}",
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"${armIncludeFlags}",
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"${armThumbCflags}",
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armClangArchVariantCflagsVar[archVariant],
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armClangCpuVariantCflagsVar[cpuVariant],
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}, " "),
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}
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}
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func init() {
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registerToolchainFactory(common.Device, common.Arm, armToolchainFactory)
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}
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