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