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LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
debugger.cpp \
dlfcn.cpp \
linker.cpp \
linker_allocator.cpp \
linker_block_allocator.cpp \
linker_environ.cpp \
linker_libc_support.c \
linker_memory.cpp \
linker_phdr.cpp \
rt.cpp \
LOCAL_SRC_FILES_arm := arch/arm/begin.S
LOCAL_SRC_FILES_arm64 := arch/arm64/begin.S
LOCAL_SRC_FILES_x86 := arch/x86/begin.c
LOCAL_SRC_FILES_x86_64 := arch/x86_64/begin.S
LOCAL_SRC_FILES_mips := arch/mips/begin.S linker_mips.cpp
LOCAL_SRC_FILES_mips64 := arch/mips64/begin.S linker_mips.cpp
# -shared is used to overwrite the -Bstatic and -static
# flags triggered by LOCAL_FORCE_STATIC_EXECUTABLE.
# This dynamic linker is actually a shared object linked with static libraries.
LOCAL_LDFLAGS := \
-shared \
-Wl,-Bsymbolic \
-Wl,--exclude-libs,ALL \
LOCAL_CFLAGS += \
-fno-stack-protector \
-Wstrict-overflow=5 \
-fvisibility=hidden \
-Wall -Wextra -Wunused -Werror \
LOCAL_CONLYFLAGS += \
-std=gnu99 \
LOCAL_CPPFLAGS += \
-std=gnu++11 \
-Wold-style-cast \
ifeq ($(TARGET_IS_64_BIT),true)
LOCAL_CPPFLAGS += -DTARGET_IS_64_BIT
endif
# 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_STATIC_LIBRARIES := libc_nomalloc libziparchive libutils libz liblog
LOCAL_FORCE_STATIC_EXECUTABLE := true
LOCAL_MODULE := linker
LOCAL_MODULE_STEM_32 := linker
LOCAL_MODULE_STEM_64 := linker64
LOCAL_MULTILIB := both
# Leave the symbols in the shared library so that stack unwinders can produce
# meaningful name resolution.
LOCAL_STRIP_MODULE := keep_symbols
# Insert an extra objcopy step to add prefix to symbols. This is needed to prevent gdb
# looking up symbols in the linker by mistake.
#
# Note we are using "=" instead of ":=" to defer the evaluation,
# because LOCAL_2ND_ARCH_VAR_PREFIX or linked_module isn't set properly yet at this point.
LOCAL_POST_LINK_CMD = $(hide) $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJCOPY) \
--prefix-symbols=__dl_ $(linked_module)
include $(BUILD_EXECUTABLE)
include $(call first-makefiles-under,$(LOCAL_PATH))
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