########################################################### ## 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)/binary.mk ################################### ########################################################### ## Pack relocation tables ########################################################### relocation_packer_input := $(linked_module) relocation_packer_output := $(intermediates)/PACKED/$(my_built_module_stem) my_pack_module_relocations := false ifneq ($(DISABLE_RELOCATION_PACKER),true) my_pack_module_relocations := $(firstword \ $(LOCAL_PACK_MODULE_RELOCATIONS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \ $(LOCAL_PACK_MODULE_RELOCATIONS)) endif ifeq ($(my_pack_module_relocations),) my_pack_module_relocations := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_PACK_MODULE_RELOCATIONS) endif # Do not pack relocations for executables. Because packing results in # non-zero p_vaddr which causes kernel to load executables to lower # address (starting at 0x8000) http://b/20665974 ifneq ($(filter EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),) my_pack_module_relocations := false endif # TODO (dimitry): Relocation packer is not yet available for darwin ifneq ($(HOST_OS),linux) my_pack_module_relocations := false endif ifeq (true,$(my_pack_module_relocations)) # Pack relocations $(relocation_packer_output): $(relocation_packer_input) $(pack-elf-relocations) else $(relocation_packer_output): $(relocation_packer_input) @echo "target Unpacked: $(PRIVATE_MODULE) ($@)" $(copy-file-to-target) endif ########################################################### ## Store a copy with symbols for symbolic debugging ########################################################### ifeq ($(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 := $(relocation_packer_output) 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 := $(relocation_packer_output) breakpad_output := $(my_breakpad_path)/$(my_installed_module_stem).sym $(breakpad_output) : $(breakpad_input) | $(BREAKPAD_DUMP_SYMS) @echo "target breakpad: $(PRIVATE_MODULE) ($@)" @mkdir -p $(dir $@) $(hide) $(BREAKPAD_DUMP_SYMS) -c $< > $@ $(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 ($(my_strip_module),mini-debug-info) # Don't use mini-debug-info on mips (both 32-bit and 64-bit). objcopy checks that all # SH_MIPS_DWARF sections having name prefix .debug_ or .zdebug_, so there seems no easy # way using objcopy to remove all debug sections except .debug_frame on mips. ifneq ($(filter mips mips64,$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)),) my_strip_module := true endif endif $(strip_output): PRIVATE_STRIP := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) $(strip_output): PRIVATE_OBJCOPY := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJCOPY) $(strip_output): PRIVATE_NM := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NM) $(strip_output): PRIVATE_READELF := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_READELF) ifeq ($(my_strip_module),no_debuglink) $(strip_output): PRIVATE_NO_DEBUGLINK := true else $(strip_output): PRIVATE_NO_DEBUGLINK := endif ifeq ($(my_strip_module),mini-debug-info) # Strip the binary, but keep debug frames and symbol table in a compressed .gnu_debugdata section. $(strip_output): $(strip_input) | $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJCOPY) $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NM) $(transform-to-stripped-keep-mini-debug-info) else ifneq ($(filter true no_debuglink,$(my_strip_module)),) # Strip the binary $(strip_output): $(strip_input) | $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) $(transform-to-stripped) else ifeq ($(my_strip_module),keep_symbols) # Strip only the debug frames, but leave the symbol table. $(strip_output): $(strip_input) | $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) $(transform-to-stripped-keep-symbols) # A product may be configured to strip everything in some build variants. # We do the stripping as a post-install command so that LOCAL_BUILT_MODULE # is still with the symbols and we don't need to clean it (and relink) when # you switch build variant. ifneq ($(filter $(STRIP_EVERYTHING_BUILD_VARIANTS),$(TARGET_BUILD_VARIANT)),) $(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := \ $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) --strip-all $(LOCAL_INSTALLED_MODULE) endif 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)