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|
###########################################################
## Standard rules for building any target-side binaries
## with dynamic linkage (dynamic libraries or executables
## that link with dynamic libraries)
##
## Files including this file must define a rule to build
## the target $(linked_module).
###########################################################
# This constraint means that we can hard-code any $(TARGET_*) variables.
ifdef LOCAL_IS_HOST_MODULE
$(error This file should not be used to build host binaries. Included by (or near) $(lastword $(filter-out config/%,$(MAKEFILE_LIST))))
endif
# The name of the target file, without any path prepended.
# This duplicates logic from base_rules.mk because we need to
# know its results before base_rules.mk is included.
include $(BUILD_SYSTEM)/configure_module_stem.mk
intermediates := $(call local-intermediates-dir,,$(LOCAL_2ND_ARCH_VAR_PREFIX))
# Define the target that is the unmodified output of the linker.
# The basename of this target must be the same as the final output
# binary name, because it's used to set the "soname" in the binary.
# The includer of this file will define a rule to build this target.
linked_module := $(intermediates)/LINKED/$(notdir $(my_installed_module_stem))
ALL_ORIGINAL_DYNAMIC_BINARIES += $(linked_module)
# Because TARGET_SYMBOL_FILTER_FILE depends on ALL_ORIGINAL_DYNAMIC_BINARIES,
# the linked_module rules won't necessarily inherit the PRIVATE_
# variables from LOCAL_BUILT_MODULE. This tells binary.make to explicitly
# define the PRIVATE_ variables for linked_module as well as for
# LOCAL_BUILT_MODULE.
LOCAL_INTERMEDIATE_TARGETS := $(linked_module)
###################################
include $(BUILD_SYSTEM)/use_lld_setup.mk
include $(BUILD_SYSTEM)/binary.mk
###################################
###########################################################
## Store a copy with symbols for symbolic debugging
###########################################################
ifeq ($(LOCAL_UNSTRIPPED_PATH),)
my_unstripped_path := $(TARGET_OUT_UNSTRIPPED)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_module_path))
else
my_unstripped_path := $(LOCAL_UNSTRIPPED_PATH)
endif
symbolic_input := $(linked_module)
symbolic_output := $(my_unstripped_path)/$(my_installed_module_stem)
$(symbolic_output) : $(symbolic_input)
@echo "target Symbolic: $(PRIVATE_MODULE) ($@)"
$(copy-file-to-target)
###########################################################
## Store breakpad symbols
###########################################################
ifeq ($(BREAKPAD_GENERATE_SYMBOLS),true)
my_breakpad_path := $(TARGET_OUT_BREAKPAD)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_module_path))
breakpad_input := $(linked_module)
breakpad_output := $(my_breakpad_path)/$(my_installed_module_stem).sym
$(breakpad_output) : $(breakpad_input) | $(BREAKPAD_DUMP_SYMS) $(PRIVATE_READELF)
@echo "target breakpad: $(PRIVATE_MODULE) ($@)"
@mkdir -p $(dir $@)
$(hide) if $(PRIVATE_READELF) -S $< > /dev/null 2>&1 ; then \
$(BREAKPAD_DUMP_SYMS) -c $< > $@ ; \
else \
echo "skipped for non-elf file."; \
touch $@; \
fi
$(LOCAL_BUILT_MODULE) : $(breakpad_output)
endif
###########################################################
## Strip
###########################################################
strip_input := $(symbolic_output)
strip_output := $(LOCAL_BUILT_MODULE)
my_strip_module := $(firstword \
$(LOCAL_STRIP_MODULE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
$(LOCAL_STRIP_MODULE))
ifeq ($(my_strip_module),)
my_strip_module := mini-debug-info
endif
ifeq ($(my_strip_module),false)
my_strip_module :=
endif
my_strip_args :=
ifeq ($(my_strip_module),mini-debug-info)
my_strip_args += --keep-mini-debug-info
else ifeq ($(my_strip_module),keep_symbols)
my_strip_args += --keep-symbols
endif
ifeq (,$(filter no_debuglink mini-debug-info,$(my_strip_module)))
ifneq ($(TARGET_BUILD_VARIANT),user)
my_strip_args += --add-gnu-debuglink
endif
endif
ifeq ($($(my_prefix)OS),darwin)
# llvm-strip does not support Darwin Mach-O yet.
my_strip_args += --use-gnu-strip
endif
valid_strip := mini-debug-info keep_symbols true no_debuglink
ifneq (,$(filter-out $(valid_strip),$(my_strip_module)))
$(call pretty-error,Invalid strip value $(my_strip_module), only one of $(valid_strip) allowed)
endif
ifneq (,$(my_strip_module))
$(strip_output): PRIVATE_STRIP_ARGS := $(my_strip_args)
$(strip_output): PRIVATE_TOOLS_PREFIX := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)TOOLS_PREFIX)
$(strip_output): $(strip_input) $(SOONG_STRIP_PATH)
@echo "$($(PRIVATE_PREFIX)DISPLAY) Strip: $(PRIVATE_MODULE) ($@)"
CLANG_BIN=$(LLVM_PREBUILTS_PATH) \
CROSS_COMPILE=$(PRIVATE_TOOLS_PREFIX) \
XZ=$(XZ) \
$(SOONG_STRIP_PATH) -i $< -o $@ -d $@.d $(PRIVATE_STRIP_ARGS)
$(call include-depfile,$(strip_output).d)
else
# Don't strip the binary, just copy it. We can't skip this step
# because a copy of the binary must appear at LOCAL_BUILT_MODULE.
$(strip_output): $(strip_input)
@echo "target Unstripped: $(PRIVATE_MODULE) ($@)"
$(copy-file-to-target)
endif # my_strip_module
$(cleantarget): PRIVATE_CLEAN_FILES += \
$(linked_module) \
$(breakpad_output) \
$(symbolic_output) \
$(strip_output)
|
