diff --git a/cc/arm_device.go b/cc/arm_device.go
new file mode 100644
index 0000000..d070935
--- /dev/null
+++ b/cc/arm_device.go
@@ -0,0 +1,301 @@
+package cc
+
+import (
+	"fmt"
+	"strings"
+
+	"android/soong/common"
+)
+
+var (
+	armCflags = []string{
+		"-fno-exceptions", // from build/core/combo/select.mk
+		"-Wno-multichar",  // from build/core/combo/select.mk
+		"-fno-strict-aliasing",
+		"-fstack-protector",
+		"-ffunction-sections",
+		"-fdata-sections",
+		"-funwind-tables",
+		"-fstack-protector",
+		"-Wa,--noexecstack",
+		"-Werror=format-security",
+		"-D_FORTIFY_SOURCE=2",
+		"-fno-short-enums",
+		"-no-canonical-prefixes",
+		"-fno-canonical-system-headers",
+		"-include ${SrcDir}/build/core/combo/include/arch/linux-arm/AndroidConfig.h",
+
+		"-fno-builtin-sin",
+		"-fno-strict-volatile-bitfields",
+
+		// TARGET_RELEASE_CFLAGS
+		"-DNDEBUG",
+		"-g",
+		"-Wstrict-aliasing=2",
+		"-fgcse-after-reload",
+		"-frerun-cse-after-loop",
+		"-frename-registers",
+	}
+
+	armCppflags = []string{
+		"-fvisibility-inlines-hidden",
+	}
+
+	armLdflags = []string{
+		"-Wl,-z,noexecstack",
+		"-Wl,-z,relro",
+		"-Wl,-z,now",
+		"-Wl,--build-id=md5",
+		"-Wl,--warn-shared-textrel",
+		"-Wl,--fatal-warnings",
+		"-Wl,-icf=safe",
+		"-Wl,--hash-style=gnu",
+
+		// Disable transitive dependency library symbol resolving.
+		"-Wl,--allow-shlib-undefined",
+	}
+
+	armArmCflags = []string{
+		"-O2",
+		"-fomit-frame-pointer",
+		"-fstrict-aliasing",
+		"-funswitch-loops",
+	}
+
+	armThumbCflags = []string{
+		"-mthumb",
+		"-Os",
+		"-fomit-frame-pointer",
+		"-fno-strict-aliasing",
+	}
+
+	armArchVariantCflags = map[string][]string{
+		"armv5te": []string{
+			"-march=armv5te",
+			"-mtune=xscale",
+			"-D__ARM_ARCH_5__",
+			"-D__ARM_ARCH_5T__",
+			"-D__ARM_ARCH_5E__",
+			"-D__ARM_ARCH_5TE__",
+		},
+		"armv7-a": []string{
+			"-march=armv7-a",
+			"-mfloat-abi=softfp",
+			"-mfpu=vfpv3-d16",
+		},
+		"armv7-a-neon": []string{
+			"-mfloat-abi=softfp",
+			"-mfpu=neon",
+		},
+	}
+
+	armArchVariantLdflags = map[string][]string{
+		"armv7-a": []string{
+			"-Wl,--fix-cortex-a8",
+		},
+	}
+
+	armCpuVariantCflags = map[string][]string{
+		"cortex-a7": []string{
+			"-mcpu=cortex-a7",
+		},
+		"cortex-a8": []string{
+			"-mcpu=cortex-a8",
+		},
+		"cortex-a15": []string{
+			"-mcpu=cortex-a15",
+			// Fake an ARM compiler flag as these processors support LPAE which GCC/clang
+			// don't advertise.
+			"-D__ARM_FEATURE_LPAE=1",
+		},
+	}
+
+	armClangCpuVariantCflags  = armCpuVariantCflags
+	armClangArchVariantCflags = armArchVariantCflags
+)
+
+func init() {
+	replaceFirst := func(slice []string, from, to string) {
+		if slice[0] != from {
+			panic(fmt.Errorf("Expected %q, found %q", from, to))
+		}
+
+		slice[0] = to
+	}
+
+	replaceFirst(armClangArchVariantCflags["armv5te"], "-march=armv5te", "-march=armv5t")
+	replaceFirst(armClangCpuVariantCflags["cortex-a15"], "-mcpu=cortex-a15", "-march=armv7-a")
+	armClangCpuVariantCflags["krait"] = []string{
+		"-mcpu=krait",
+	}
+
+	pctx.StaticVariable("armGccVersion", "4.9")
+
+	pctx.StaticVariable("armGccRoot",
+		"${SrcDir}/prebuilts/gcc/${HostPrebuiltTag}/arm/arm-linux-androideabi-${armGccVersion}")
+
+	pctx.StaticVariable("armGccTriple", "arm-linux-androideabi")
+
+	pctx.StaticVariable("armCflags", strings.Join(armCflags, " "))
+	pctx.StaticVariable("armLdflags", strings.Join(armLdflags, " "))
+	pctx.StaticVariable("armCppflags", strings.Join(armCppflags, " "))
+	pctx.StaticVariable("armIncludeFlags", strings.Join([]string{
+		"-isystem ${LibcRoot}/arch-arm/include",
+		"-isystem ${LibcRoot}/include",
+		"-isystem ${LibcRoot}/kernel/uapi",
+		"-isystem ${LibcRoot}/kernel/uapi/asm-arm",
+		"-isystem ${LibmRoot}/include",
+		"-isystem ${LibmRoot}/include/arm",
+	}, " "))
+
+	// Extended cflags
+
+	// ARM mode vs. Thumb mode
+	pctx.StaticVariable("armArmCflags", strings.Join(armArmCflags, " "))
+	pctx.StaticVariable("armThumbCflags", strings.Join(armThumbCflags, " "))
+
+	// Architecture variant cflags
+	pctx.StaticVariable("armArmv5TECflags", strings.Join(armArchVariantCflags["armv5te"], " "))
+	pctx.StaticVariable("armArmv7ACflags", strings.Join(armArchVariantCflags["armv7-a"], " "))
+	pctx.StaticVariable("armArmv7ANeonCflags", strings.Join(armArchVariantCflags["armv7-a-neon"], " "))
+
+	// Architecture variant ldflags
+	pctx.StaticVariable("armArmv7ALdflags", strings.Join(armArchVariantLdflags["armv7-a"], " "))
+
+	// Cpu variant cflags
+	pctx.StaticVariable("armCortexA7Cflags", strings.Join(armCpuVariantCflags["cortex-a7"], " "))
+	pctx.StaticVariable("armCortexA8Cflags", strings.Join(armCpuVariantCflags["cortex-a8"], " "))
+	pctx.StaticVariable("armCortexA15Cflags", strings.Join(armCpuVariantCflags["cortex-a15"], " "))
+
+	// Clang cflags
+	pctx.StaticVariable("armClangCflags", strings.Join(clangFilterUnknownCflags(armCflags), " "))
+	pctx.StaticVariable("armClangLdflags", strings.Join(clangFilterUnknownCflags(armLdflags), " "))
+	pctx.StaticVariable("armClangCppflags", strings.Join(clangFilterUnknownCflags(armCppflags), " "))
+
+	// Clang cpu variant cflags
+	pctx.StaticVariable("armClangArmv5TECflags",
+		strings.Join(armClangArchVariantCflags["armv5te"], " "))
+	pctx.StaticVariable("armClangArmv7ACflags",
+		strings.Join(armClangArchVariantCflags["armv7-a"], " "))
+	pctx.StaticVariable("armClangArmv7ANeonCflags",
+		strings.Join(armClangArchVariantCflags["armv7-a-neon"], " "))
+
+	// Clang cpu variant cflags
+	pctx.StaticVariable("armClangCortexA7Cflags",
+		strings.Join(armClangCpuVariantCflags["cortex-a7"], " "))
+	pctx.StaticVariable("armClangCortexA8Cflags",
+		strings.Join(armClangCpuVariantCflags["cortex-a8"], " "))
+	pctx.StaticVariable("armClangCortexA15Cflags",
+		strings.Join(armClangCpuVariantCflags["cortex-a15"], " "))
+	pctx.StaticVariable("armClangKraitCflags",
+		strings.Join(armClangCpuVariantCflags["krait"], " "))
+}
+
+var (
+	armArchVariantCflagsVar = map[string]string{
+		"armv5te":      "${armArmv5TECflags}",
+		"armv7-a":      "${armArmv7ACflags}",
+		"armv7-a-neon": "${armArmv7ANeonCflags}",
+	}
+
+	armArchVariantLdflagsVar = map[string]string{
+		"armv7-a":      "${armArmv7ALdflags}",
+		"armv7-a-neon": "${armArmv7ALdflags}",
+	}
+
+	armCpuVariantCflagsVar = map[string]string{
+		"":           "",
+		"cortex-a7":  "${armCortexA7Cflags}",
+		"cortex-a8":  "${armCortexA8Cflags}",
+		"cortex-a15": "${armCortexA15Cflags}",
+		"krait":      "${armCortexA15Cflags}",
+		"denver":     "${armCortexA15Cflags}",
+	}
+
+	armClangArchVariantCflagsVar = map[string]string{
+		"armv5te":      "${armClangArmv5TECflags}",
+		"armv7-a":      "${armClangArmv7ACflags}",
+		"armv7-a-neon": "${armClangArmv7ANeonCflags}",
+	}
+
+	armClangCpuVariantCflagsVar = map[string]string{
+		"":           "",
+		"cortex-a7":  "${armClangCortexA7Cflags}",
+		"cortex-a8":  "${armClangCortexA8Cflags}",
+		"cortex-a15": "${armClangCortexA15Cflags}",
+		"krait":      "${armClangKraitCflags}",
+		"denver":     "${armClangCortexA15Cflags}",
+	}
+)
+
+type toolchainArm struct {
+	toolchain32Bit
+	cflags, ldflags, clangCflags string
+}
+
+func (t *toolchainArm) GccRoot() string {
+	return "${armGccRoot}"
+}
+
+func (t *toolchainArm) GccTriple() string {
+	return "${armGccTriple}"
+}
+
+func (t *toolchainArm) Cflags() string {
+	return t.cflags
+}
+
+func (t *toolchainArm) Cppflags() string {
+	return "${armCppflags}"
+}
+
+func (t *toolchainArm) Ldflags() string {
+	return t.ldflags
+}
+
+func (t *toolchainArm) IncludeFlags() string {
+	return "${armIncludeFlags}"
+}
+
+func (t *toolchainArm) ClangTriple() string {
+	return "${armGccTriple}"
+}
+
+func (t *toolchainArm) ClangCflags() string {
+	return t.clangCflags
+}
+
+func (t *toolchainArm) ClangCppflags() string {
+	return "${armClangCppflags}"
+}
+
+func (t *toolchainArm) ClangLdflags() string {
+	return t.ldflags
+}
+
+func armToolchainFactory(archVariant string, cpuVariant string) toolchain {
+	return &toolchainArm{
+		cflags: strings.Join([]string{
+			"${armCflags}",
+			"${armIncludeFlags}",
+			"${armThumbCflags}",
+			armArchVariantCflagsVar[archVariant],
+			armCpuVariantCflagsVar[cpuVariant],
+		}, " "),
+		ldflags: strings.Join([]string{
+			"${armLdflags}",
+			armArchVariantLdflagsVar[archVariant],
+		}, " "),
+		clangCflags: strings.Join([]string{
+			"${armClangCflags}",
+			"${armIncludeFlags}",
+			"${armThumbCflags}",
+			armClangArchVariantCflagsVar[archVariant],
+			armClangCpuVariantCflagsVar[cpuVariant],
+		}, " "),
+	}
+}
+
+func init() {
+	registerToolchainFactory(common.Device, common.Arm, armToolchainFactory)
+}