| ########################################################### |
| ## 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 := $(intermediates)/LINKED/$(my_built_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 |
| ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES) |
| my_pack_module_relocations := false |
| endif |
| |
| # TODO (dimitry): Relocation packer is not yet available for darwin |
| ifneq ($(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 := true |
| 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) |