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platform_build/core/dynamic_binary.mk
Dan Willemsen 893859573d Use xz prebuilt 
Instead of whichever xz happens to be on the PATH.

Bug: 36130900
Test: m
Change-Id: Ib37d8db4e935ef8f69f3d43b5065c22d34028cf3
2018-03-09 12:56:01 -08:00

179 lines
7.2 KiB
Makefile
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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)/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) $(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 ($(my_strip_module),mini-debug-info)
# Don't use mini-debug-info on mips (both 32-bit and 64-bit). objcopy checks that all
# SH_MIPS_DWARF sections having name prefix .debug_ or .zdebug_, so there seems no easy
# way using objcopy to remove all debug sections except .debug_frame on mips.
ifneq ($(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) $(XZ)
$(transform-to-stripped-keep-mini-debug-info)
else ifneq ($(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)
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