build linker and linker64 on 64-bit architectures
Change-Id: I400bbaf5a779fc427de4c3d86c66548b0179b10d
diff --git a/linker/linker.mk b/linker/linker.mk
new file mode 100644
index 0000000..384435a
--- /dev/null
+++ b/linker/linker.mk
@@ -0,0 +1,58 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+ debugger.cpp \
+ dlfcn.cpp \
+ linker.cpp \
+ linker_environ.cpp \
+ linker_phdr.cpp \
+ rt.cpp \
+
+LOCAL_SRC_FILES_arm := arch/arm/begin.S
+LOCAL_SRC_FILES_arm64 := arch/arm64/begin.S
+LOCAL_SRC_FILES_x86 := arch/x86/begin.c
+LOCAL_SRC_FILES_x86_64 := arch/x86_64/begin.S
+LOCAL_SRC_FILES_mips := arch/mips/begin.S
+
+LOCAL_LDFLAGS := \
+ -shared \
+ -Wl,-Bsymbolic \
+ -Wl,--exclude-libs,ALL \
+
+LOCAL_CFLAGS += \
+ -fno-stack-protector \
+ -Wstrict-overflow=5 \
+ -fvisibility=hidden \
+ -Wall -Wextra -Werror \
+
+LOCAL_CONLYFLAGS += \
+ -std=gnu99 \
+
+LOCAL_CPPFLAGS += \
+ -std=gnu++11 \
+
+# We need to access Bionic private headers in the linker.
+LOCAL_CFLAGS += -I$(LOCAL_PATH)/../libc/
+
+# we don't want crtbegin.o (because we have begin.o), so unset it
+# just for this module
+LOCAL_NO_CRT := true
+# TODO: split out the asflags.
+LOCAL_ASFLAGS := $(LOCAL_CFLAGS)
+
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk $(LOCAL_PATH)/linker.mk $(LOCAL_PATH)/linker_executable.mk
+
+LOCAL_STATIC_LIBRARIES := libc_nomalloc
+
+LOCAL_FORCE_STATIC_EXECUTABLE := true # not necessary when not including BUILD_EXECUTABLE
+
+LOCAL_2ND_ARCH_VAR_PREFIX := $(linker_2nd_arch_var_prefix)
+
+ifeq ($(TARGET_IS_64_BIT)|$(linker_2nd_arch_var_prefix),true|)
+LOCAL_MODULE := linker64
+else
+LOCAL_MODULE := linker
+endif
+
+include $(LOCAL_PATH)/linker_executable.mk