diff --git a/debuggerd/Android.mk b/debuggerd/Android.mk
index e0a2d96..77fcbe0 100644
--- a/debuggerd/Android.mk
+++ b/debuggerd/Android.mk
@@ -1,60 +1,14 @@
-# Copyright 2005 The Android Open Source Project
-
 LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES:= \
-	backtrace.cpp \
-	debuggerd.cpp \
-	getevent.cpp \
-	tombstone.cpp \
-	utility.cpp \
-	$(TARGET_ARCH)/machine.cpp \
+debuggerd_2nd_arch_var_prefix :=
+include $(LOCAL_PATH)/debuggerd.mk
 
-LOCAL_CONLYFLAGS := -std=gnu99
-LOCAL_CPPFLAGS := -std=gnu++11
-LOCAL_CFLAGS := \
-	-Wall \
-	-Wno-array-bounds \
-	-Werror \
-	-Wno-unused-parameter \
-
-ifeq ($(TARGET_IS_64_BIT),true)
-    LOCAL_MODULE := debuggerd64
-else
-    LOCAL_MODULE := debuggerd
+ifdef TARGET_2ND_ARCH
+debuggerd_2nd_arch_var_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
+include $(LOCAL_PATH)/debuggerd.mk
 endif
 
 ifeq ($(ARCH_ARM_HAVE_VFP),true)
-LOCAL_CFLAGS += -DWITH_VFP
-endif # ARCH_ARM_HAVE_VFP
-ifeq ($(ARCH_ARM_HAVE_VFP_D32),true)
-LOCAL_CFLAGS += -DWITH_VFP_D32
-endif # ARCH_ARM_HAVE_VFP_D32
-
-LOCAL_SHARED_LIBRARIES := \
-	libbacktrace \
-	libc \
-	libcutils \
-	liblog \
-	libselinux \
-
-include external/stlport/libstlport.mk
-
-include $(BUILD_EXECUTABLE)
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := crasher.c
-LOCAL_SRC_FILES += $(TARGET_ARCH)/crashglue.S
-LOCAL_MODULE := crasher
-LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
-LOCAL_MODULE_TAGS := optional
-LOCAL_CFLAGS += -fstack-protector-all -Wno-unused-parameter -Wno-free-nonheap-object
-#LOCAL_FORCE_STATIC_EXECUTABLE := true
-LOCAL_SHARED_LIBRARIES := libcutils liblog libc
-include $(BUILD_EXECUTABLE)
-
-ifeq ($(ARCH_ARM_HAVE_VFP),true)
 include $(CLEAR_VARS)
 
 LOCAL_CFLAGS += -DWITH_VFP
@@ -62,10 +16,20 @@
 LOCAL_CFLAGS += -DWITH_VFP_D32
 endif # ARCH_ARM_HAVE_VFP_D32
 
-LOCAL_SRC_FILES := vfp-crasher.c $(TARGET_ARCH)/vfp.S
+LOCAL_SRC_FILES := vfp-crasher.c arm/vfp.S
 LOCAL_MODULE := vfp-crasher
 LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
 LOCAL_MODULE_TAGS := optional
 LOCAL_SHARED_LIBRARIES := libcutils liblog libc
+LOCAL_MODULE_TARGET_ARCH := arm
 include $(BUILD_EXECUTABLE)
 endif # ARCH_ARM_HAVE_VFP == true
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := vfp-crasher.c arm64/vfp.S
+LOCAL_MODULE := vfp-crasher64
+LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
+LOCAL_MODULE_TAGS := optional
+LOCAL_SHARED_LIBRARIES := libcutils liblog libc
+LOCAL_MODULE_TARGET_ARCH := arm64
+include $(BUILD_EXECUTABLE)
diff --git a/debuggerd/debuggerd.mk b/debuggerd/debuggerd.mk
new file mode 100644
index 0000000..a3982c1
--- /dev/null
+++ b/debuggerd/debuggerd.mk
@@ -0,0 +1,75 @@
+# Copyright 2005 The Android Open Source Project
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	backtrace.cpp \
+	debuggerd.cpp \
+	getevent.cpp \
+	tombstone.cpp \
+	utility.cpp \
+
+LOCAL_SRC_FILES_arm    := arm/machine.cpp
+LOCAL_SRC_FILES_arm64  := arm64/machine.cpp
+LOCAL_SRC_FILES_mips   := mips/machine.cpp
+LOCAL_SRC_FILES_x86    := x86/machine.cpp
+LOCAL_SRC_FILES_x86_64 := x86_64/machine.cpp
+
+LOCAL_CONLYFLAGS := -std=gnu99
+LOCAL_CPPFLAGS := -std=gnu++11
+LOCAL_CFLAGS := \
+	-Wall \
+	-Wno-array-bounds \
+	-Werror \
+	-Wno-unused-parameter \
+
+ifeq ($(ARCH_ARM_HAVE_VFP),true)
+LOCAL_CFLAGS_arm += -DWITH_VFP
+endif # ARCH_ARM_HAVE_VFP
+ifeq ($(ARCH_ARM_HAVE_VFP_D32),true)
+LOCAL_CFLAGS_arm += -DWITH_VFP_D32
+endif # ARCH_ARM_HAVE_VFP_D32
+
+LOCAL_SHARED_LIBRARIES := \
+	libbacktrace \
+	libc \
+	libcutils \
+	liblog \
+	libselinux \
+
+include external/stlport/libstlport.mk
+
+ifeq ($(TARGET_IS_64_BIT)|$(debuggerd_2nd_arch_var_prefix),true|)
+LOCAL_MODULE := debuggerd64
+LOCAL_NO_2ND_ARCH := true
+else
+LOCAL_MODULE := debuggerd
+LOCAL_32_BIT_ONLY := true
+endif
+
+include $(BUILD_EXECUTABLE)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := crasher.c
+LOCAL_SRC_FILES_arm    := arm/crashglue.S
+LOCAL_SRC_FILES_arm64  := arm64/crashglue.S
+LOCAL_SRC_FILES_mips   := mips/crashglue.S
+LOCAL_SRC_FILES_x86    := x86/crashglue.S
+LOCAL_SRC_FILES_x86_64 := x86_64/crashglue.S
+LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
+LOCAL_MODULE_TAGS := optional
+LOCAL_CFLAGS += -fstack-protector-all -Wno-unused-parameter -Wno-free-nonheap-object
+#LOCAL_FORCE_STATIC_EXECUTABLE := true
+LOCAL_SHARED_LIBRARIES := libcutils liblog libc
+
+LOCAL_2ND_ARCH_VAR_PREFIX := $(debuggerd_2nd_arch_var_prefix)
+
+ifeq ($(TARGET_IS_64_BIT)|$(debuggerd_2nd_arch_var_prefix),true|)
+LOCAL_MODULE := crasher64
+LOCAL_NO_2ND_ARCH := true
+else
+LOCAL_MODULE := crasher
+LOCAL_32_BIT_ONLY := true
+endif
+include $(BUILD_EXECUTABLE)