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LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
ifeq ($(TARGET_ARCH),x86)
linker_begin_extension := c
else
linker_begin_extension := S
endif
LOCAL_SRC_FILES:= \
arch/$(TARGET_ARCH)/begin.$(linker_begin_extension) \
debugger.cpp \
dlfcn.cpp \
linker.cpp \
linker_environ.cpp \
linker_format.cpp \
linker_phdr.cpp \
rt.cpp
LOCAL_LDFLAGS := -shared -Wl,--exclude-libs,ALL
LOCAL_CFLAGS += -fno-stack-protector \
-Wstrict-overflow=5 \
-fvisibility=hidden \
-Wall -Wextra -Werror
# We need to access Bionic private headers in the linker...
LOCAL_CFLAGS += -I$(LOCAL_PATH)/../libc/
# ...one of which is <private/bionic_tls.h>, for which we
# need HAVE_ARM_TLS_REGISTER.
ifeq ($(TARGET_ARCH)-$(ARCH_ARM_HAVE_TLS_REGISTER),arm-true)
LOCAL_CFLAGS += -DHAVE_ARM_TLS_REGISTER
endif
ifeq ($(TARGET_ARCH),arm)
LOCAL_CFLAGS += -DANDROID_ARM_LINKER
endif
ifeq ($(TARGET_ARCH),x86)
LOCAL_CFLAGS += -DANDROID_X86_LINKER
endif
ifeq ($(TARGET_ARCH),mips)
LOCAL_CFLAGS += -DANDROID_MIPS_LINKER
endif
LOCAL_MODULE:= linker
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
LOCAL_STATIC_LIBRARIES := libc_nomalloc
#LOCAL_FORCE_STATIC_EXECUTABLE := true # not necessary when not including BUILD_EXECUTABLE
#
# include $(BUILD_EXECUTABLE)
#
# Instead of including $(BUILD_EXECUTABLE), we execute the steps to create an executable by
# hand, as we want to insert an extra step that is not supported by the build system, and
# is probably specific the linker only, so there's no need to modify the build system for
# the purpose.
LOCAL_MODULE_CLASS := EXECUTABLES
LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX)
# we don't want crtbegin.o (because we have begin.o), so unset it
# just for this module
LOCAL_NO_CRT := true
include $(BUILD_SYSTEM)/dynamic_binary.mk
# See build/core/executable.mk
$(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(TARGET_GLOBAL_LD_DIRS)
$(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(TARGET_GLOBAL_LDFLAGS)
$(linked_module): PRIVATE_TARGET_FDO_LIB := $(TARGET_FDO_LIB)
$(linked_module): PRIVATE_TARGET_LIBGCC := $(TARGET_LIBGCC)
$(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_CRTBEGIN_DYNAMIC_O)
$(linked_module): PRIVATE_TARGET_CRTBEGIN_STATIC_O := $(TARGET_CRTBEGIN_STATIC_O)
$(linked_module): PRIVATE_TARGET_CRTEND_O := $(TARGET_CRTEND_O)
$(linked_module): $(TARGET_CRTBEGIN_STATIC_O) $(all_objects) $(all_libraries) $(TARGET_CRTEND_O)
$(transform-o-to-static-executable)
@echo "target PrefixSymbols: $(PRIVATE_MODULE) ($@)"
$(hide) $(TARGET_OBJCOPY) --prefix-symbols=__dl_ $@
#
# end of BUILD_EXECUTABLE hack
#
|
