1 LOCAL_PATH:= $(call my-dir) 2 include $(CLEAR_VARS) 3 4 ifeq ($(TARGET_ARCH),x86) 5 linker_begin_extension := c 6 else 7 linker_begin_extension := S 8 endif 9 10 LOCAL_SRC_FILES:= \ 11 arch/$(TARGET_ARCH)/begin.$(linker_begin_extension) \ 12 debugger.cpp \ 13 dlfcn.cpp \ 14 linker.cpp \ 15 linker_environ.cpp \ 16 linker_phdr.cpp \ 17 rt.cpp 18 19 LOCAL_LDFLAGS := -shared -Wl,--exclude-libs,ALL 20 21 LOCAL_CFLAGS += -fno-stack-protector \ 22 -Wstrict-overflow=5 \ 23 -fvisibility=hidden \ 24 -Wall -Wextra -Werror 25 26 # We need to access Bionic private headers in the linker. 27 LOCAL_CFLAGS += -I$(LOCAL_PATH)/../libc/ 28 29 ifeq ($(TARGET_ARCH),arm) 30 LOCAL_CFLAGS += -DANDROID_ARM_LINKER 31 endif 32 33 ifeq ($(TARGET_ARCH),x86) 34 LOCAL_CFLAGS += -DANDROID_X86_LINKER 35 endif 36 37 ifeq ($(TARGET_ARCH),mips) 38 LOCAL_CFLAGS += -DANDROID_MIPS_LINKER 39 endif 40 41 LOCAL_MODULE:= linker 42 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk 43 44 LOCAL_STATIC_LIBRARIES := libc_nomalloc 45 46 #LOCAL_FORCE_STATIC_EXECUTABLE := true # not necessary when not including BUILD_EXECUTABLE 47 48 # 49 # include $(BUILD_EXECUTABLE) 50 # 51 # Instead of including $(BUILD_EXECUTABLE), we execute the steps to create an executable by 52 # hand, as we want to insert an extra step that is not supported by the build system, and 53 # is probably specific the linker only, so there's no need to modify the build system for 54 # the purpose. 55 56 LOCAL_MODULE_CLASS := EXECUTABLES 57 LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX) 58 59 # we don't want crtbegin.o (because we have begin.o), so unset it 60 # just for this module 61 LOCAL_NO_CRT := true 62 63 # TODO: split out the asflags. 64 LOCAL_ASFLAGS := $(LOCAL_CFLAGS) 65 66 include $(BUILD_SYSTEM)/dynamic_binary.mk 67 68 # See build/core/executable.mk 69 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(TARGET_GLOBAL_LD_DIRS) 70 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(TARGET_GLOBAL_LDFLAGS) 71 $(linked_module): PRIVATE_TARGET_FDO_LIB := $(TARGET_FDO_LIB) 72 $(linked_module): PRIVATE_TARGET_LIBGCC := $(TARGET_LIBGCC) 73 $(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_CRTBEGIN_DYNAMIC_O) 74 $(linked_module): PRIVATE_TARGET_CRTBEGIN_STATIC_O := $(TARGET_CRTBEGIN_STATIC_O) 75 $(linked_module): PRIVATE_TARGET_CRTEND_O := $(TARGET_CRTEND_O) 76 $(linked_module): $(TARGET_CRTBEGIN_STATIC_O) $(all_objects) $(all_libraries) $(TARGET_CRTEND_O) 77 $(transform-o-to-static-executable) 78 @echo "target PrefixSymbols: $(PRIVATE_MODULE) ($@)" 79 $(hide) $(TARGET_OBJCOPY) --prefix-symbols=__dl_ $@ 80 81 # 82 # end of BUILD_EXECUTABLE hack 83 # 84
