105 lines
2.9 KiB
Makefile
105 lines
2.9 KiB
Makefile
LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_CLANG := true
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LOCAL_SRC_FILES := \
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debugger.cpp \
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dlfcn.cpp \
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linker.cpp \
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linker_allocator.cpp \
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linker_sdk_versions.cpp \
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linker_block_allocator.cpp \
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linker_libc_support.c \
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linker_mapped_file_fragment.cpp \
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linker_memory.cpp \
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linker_phdr.cpp \
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linker_utils.cpp \
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rt.cpp \
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LOCAL_SRC_FILES_arm := arch/arm/begin.S
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LOCAL_SRC_FILES_arm64 := arch/arm64/begin.S
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LOCAL_SRC_FILES_x86 := arch/x86/begin.c
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LOCAL_SRC_FILES_x86_64 := arch/x86_64/begin.S
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LOCAL_SRC_FILES_mips := arch/mips/begin.S linker_mips.cpp
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LOCAL_SRC_FILES_mips64 := arch/mips64/begin.S linker_mips.cpp
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# -shared is used to overwrite the -Bstatic and -static
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# flags triggered by LOCAL_FORCE_STATIC_EXECUTABLE.
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# This dynamic linker is actually a shared object linked with static libraries.
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LOCAL_LDFLAGS := \
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-shared \
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-Wl,-Bsymbolic \
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-Wl,--exclude-libs,ALL \
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LOCAL_CFLAGS += \
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-fno-stack-protector \
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-Wstrict-overflow=5 \
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-fvisibility=hidden \
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-Wall -Wextra -Wunused -Werror \
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LOCAL_CFLAGS_arm += -D__work_around_b_24465209__
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LOCAL_CFLAGS_x86 += -D__work_around_b_24465209__
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LOCAL_CONLYFLAGS += \
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-std=gnu99 \
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LOCAL_CPPFLAGS += \
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-Wold-style-cast \
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ifeq ($(TARGET_IS_64_BIT),true)
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LOCAL_CPPFLAGS += -DTARGET_IS_64_BIT
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endif
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# We need to access Bionic private headers in the linker.
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LOCAL_CFLAGS += -I$(LOCAL_PATH)/../libc/
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# we don't want crtbegin.o (because we have begin.o), so unset it
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# just for this module
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LOCAL_NO_CRT := true
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# TODO: split out the asflags.
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LOCAL_ASFLAGS := $(LOCAL_CFLAGS)
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LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
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LOCAL_STATIC_LIBRARIES := libc_nomalloc libziparchive libutils libbase libz liblog
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LOCAL_FORCE_STATIC_EXECUTABLE := true
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LOCAL_MODULE := linker
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LOCAL_MODULE_STEM_32 := linker
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LOCAL_MODULE_STEM_64 := linker64
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LOCAL_MULTILIB := both
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# Leave the symbols in the shared library so that stack unwinders can produce
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# meaningful name resolution.
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LOCAL_STRIP_MODULE := keep_symbols
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# Insert an extra objcopy step to add prefix to symbols. This is needed to prevent gdb
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# looking up symbols in the linker by mistake.
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#
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# Note we are using "=" instead of ":=" to defer the evaluation,
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# because LOCAL_2ND_ARCH_VAR_PREFIX or linked_module isn't set properly yet at this point.
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LOCAL_POST_LINK_CMD = $(hide) $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJCOPY) \
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--prefix-symbols=__dl_ $(linked_module)
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include $(BUILD_EXECUTABLE)
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define add-linker-symlink
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$(eval _from := $(TARGET_OUT)/bin/$(1))
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$(eval _to:=$(2))
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$(_from): $(LOCAL_MODULE_MAKEFILE)
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@echo "Symlink: $$@ -> $(_to)"
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@mkdir -p $$(dir $$@)
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@rm -rf $$@
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$(hide) ln -sf $(_to) $$@
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endef
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$(eval $(call add-linker-symlink,linker_asan,linker))
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ifeq ($(TARGET_IS_64_BIT),true)
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$(eval $(call add-linker-symlink,linker_asan64,linker64))
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endif
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include $(call first-makefiles-under,$(LOCAL_PATH))
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