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      1 # Copyright (C) 2017 The Android Open Source Project
      2 #
      3 # Licensed under the Apache License, Version 2.0 (the "License");
      4 # you may not use this file except in compliance with the License.
      5 # You may obtain a copy of the License at
      6 #
      7 #      http://www.apache.org/licenses/LICENSE-2.0
      8 #
      9 # Unless required by applicable law or agreed to in writing, software
     10 # distributed under the License is distributed on an "AS IS" BASIS,
     11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 # See the License for the specific language governing permissions and
     13 # limitations under the License.
     14 
     15 current_makefile := $(lastword $(MAKEFILE_LIST))
     16 
     17 # BOARD_VNDK_VERSION must be set to 'current' in order to generate a VNDK snapshot.
     18 ifeq ($(BOARD_VNDK_VERSION),current)
     19 
     20 # PLATFORM_VNDK_VERSION must be set.
     21 ifneq (,$(PLATFORM_VNDK_VERSION))
     22 
     23 # BOARD_VNDK_RUNTIME_DISABLE must not be set to 'true'.
     24 ifneq ($(BOARD_VNDK_RUNTIME_DISABLE),true)
     25 
     26 # Returns arch-specific libclang_rt.ubsan* library name.
     27 # Because VNDK_CORE_LIBRARIES includes all arch variants for libclang_rt.ubsan*
     28 # libs, the arch-specific libs are selected separately.
     29 #
     30 # Args:
     31 #   $(1): if not empty, evaluates for TARGET_2ND_ARCH
     32 define clang-ubsan-vndk-core
     33 $(strip \
     34   $(eval prefix := $(if $(1),2ND_,)) \
     35   $(addsuffix .vendor,$($(addprefix $(prefix),UBSAN_RUNTIME_LIBRARY))) \
     36 )
     37 endef
     38 
     39 # Returns list of file paths of the intermediate objs
     40 #
     41 # Args:
     42 #   $(1): list of module and filename pairs (e.g., ld.config.txt:ld.config.27.txt ...)
     43 #   $(2): target class (e.g., SHARED_LIBRARIES, STATIC_LIBRARIES, ETC)
     44 #   $(3): if not empty, evaluates for TARGET_2ND_ARCH
     45 define paths-of-intermediates
     46 $(strip \
     47   $(foreach pair,$(1), \
     48     $(eval split_pair := $(subst :,$(space),$(pair))) \
     49     $(eval module := $(word 1,$(split_pair))) \
     50     $(eval filename := $(word 2,$(split_pair))) \
     51     $(eval dir := $(call intermediates-dir-for,$(2),$(module),,,$(3))) \
     52     $(call append-path,$(dir),$(filename)) \
     53   ) \
     54 )
     55 endef
     56 
     57 # Returns paths of notice files under $(TARGET_OUT_NOTICE_FILES)
     58 #
     59 # Args:
     60 #   $(1): list of lib names (e.g., libfoo.vendor)
     61 #   $(2): vndk lib type, one of 'vndk' or 'vndk-sp'
     62 define paths-of-notice-files
     63 $(strip \
     64   $(eval lib_dir := lib$(if $(TARGET_IS_64BIT),64,)) \
     65   $(eval vndk_dir := $(2)-$(PLATFORM_VNDK_VERSION)) \
     66   $(foreach lib,$(1), \
     67     $(eval notice_file_name := $(patsubst %.vendor,%.so.txt,$(lib))) \
     68     $(TARGET_OUT_NOTICE_FILES)/src/system/$(lib_dir)/$(vndk_dir)/$(notice_file_name) \
     69   ) \
     70 )
     71 endef
     72 
     73 # If in the future libclang_rt.ubsan* is removed from the VNDK-core list,
     74 # need to update the related logic in this file.
     75 ifeq (,$(filter libclang_rt.ubsan%,$(VNDK_CORE_LIBRARIES)))
     76   $(warning libclang_rt.ubsan* is no longer a VNDK-core library. Please update this file.)
     77   vndk_core_libs := $(addsuffix .vendor,$(VNDK_CORE_LIBRARIES))
     78 else
     79   vndk_core_libs := $(addsuffix .vendor,$(filter-out libclang_rt.ubsan%,$(VNDK_CORE_LIBRARIES)))
     80 
     81   vndk_core_libs += $(call clang-ubsan-vndk-core)
     82   ifdef TARGET_2ND_ARCH
     83     vndk_core_libs += $(call clang-ubsan-vndk-core,true)
     84   endif
     85 endif
     86 
     87 vndk_sp_libs := $(addsuffix .vendor,$(VNDK_SAMEPROCESS_LIBRARIES))
     88 vndk_private_libs := $(addsuffix .vendor,$(VNDK_PRIVATE_LIBRARIES))
     89 
     90 vndk_snapshot_libs := \
     91   $(vndk_core_libs) \
     92   $(vndk_sp_libs)
     93 
     94 vndk_prebuilt_txts := \
     95   ld.config.txt \
     96   vndksp.libraries.txt \
     97   llndk.libraries.txt
     98 
     99 vndk_snapshot_top := $(call intermediates-dir-for,PACKAGING,vndk-snapshot)
    100 vndk_snapshot_out := $(vndk_snapshot_top)/vndk-snapshot
    101 vndk_snapshot_configs_out := $(vndk_snapshot_top)/configs
    102 
    103 #######################################
    104 # vndkcore.libraries.txt
    105 vndkcore.libraries.txt := $(vndk_snapshot_configs_out)/vndkcore.libraries.txt
    106 $(vndkcore.libraries.txt): $(vndk_core_libs)
    107 	@echo 'Generating: $@'
    108 	@rm -f $@
    109 	@mkdir -p $(dir $@)
    110 	$(hide) echo -n > $@
    111 	$(hide) $(foreach lib,$^,echo $(patsubst %.vendor,%,$(lib)).so >> $@;)
    112 
    113 
    114 #######################################
    115 # vndkprivate.libraries.txt
    116 vndkprivate.libraries.txt := $(vndk_snapshot_configs_out)/vndkprivate.libraries.txt
    117 $(vndkprivate.libraries.txt): $(vndk_private_libs)
    118 	@echo 'Generating: $@'
    119 	@rm -f $@
    120 	@mkdir -p $(dir $@)
    121 	$(hide) echo -n > $@
    122 	$(hide) $(foreach lib,$^,echo $(patsubst %.vendor,%,$(lib)).so >> $@;)
    123 
    124 
    125 #######################################
    126 # module_paths.txt
    127 module_paths.txt := $(vndk_snapshot_configs_out)/module_paths.txt
    128 $(module_paths.txt): $(vndk_snapshot_libs)
    129 	@echo 'Generating: $@'
    130 	@rm -f $@
    131 	@mkdir -p $(dir $@)
    132 	$(hide) echo -n > $@
    133 	$(hide) $(foreach lib,$^,echo $(patsubst %.vendor,%,$(lib)).so $(ALL_MODULES.$(lib).PATH) >> $@;)
    134 
    135 
    136 vndk_snapshot_configs := \
    137   $(vndkcore.libraries.txt) \
    138   $(vndkprivate.libraries.txt) \
    139   $(module_paths.txt)
    140 
    141 #######################################
    142 # vndk_snapshot_zip
    143 vndk_snapshot_variant := $(vndk_snapshot_out)/$(TARGET_ARCH)
    144 binder :=
    145 ifneq ($(TARGET_USES_64_BIT_BINDER), true)
    146   binder := binder32
    147 endif
    148 vndk_lib_dir := $(subst $(space),/,$(strip $(vndk_snapshot_variant) $(binder) arch-$(TARGET_ARCH)-$(TARGET_ARCH_VARIANT)))
    149 vndk_lib_dir_2nd := $(subst $(space),/,$(strip $(vndk_snapshot_variant) $(binder) arch-$(TARGET_2ND_ARCH)-$(TARGET_2ND_ARCH_VARIANT)))
    150 vndk_snapshot_zip := $(PRODUCT_OUT)/android-vndk-$(TARGET_PRODUCT).zip
    151 
    152 $(vndk_snapshot_zip): PRIVATE_VNDK_SNAPSHOT_OUT := $(vndk_snapshot_out)
    153 
    154 $(vndk_snapshot_zip): PRIVATE_VNDK_CORE_OUT := $(vndk_lib_dir)/shared/vndk-core
    155 $(vndk_snapshot_zip): PRIVATE_VNDK_CORE_INTERMEDIATES := \
    156   $(call paths-of-intermediates,$(foreach lib,$(vndk_core_libs),$(lib):$(lib).so),SHARED_LIBRARIES)
    157 
    158 $(vndk_snapshot_zip): PRIVATE_VNDK_SP_OUT := $(vndk_lib_dir)/shared/vndk-sp
    159 $(vndk_snapshot_zip): PRIVATE_VNDK_SP_INTERMEDIATES := \
    160   $(call paths-of-intermediates,$(foreach lib,$(vndk_sp_libs),$(lib):$(lib).so),SHARED_LIBRARIES)
    161 
    162 $(vndk_snapshot_zip): PRIVATE_CONFIGS_OUT := $(vndk_snapshot_variant)/configs
    163 $(vndk_snapshot_zip): PRIVATE_CONFIGS_INTERMEDIATES := \
    164   $(call paths-of-intermediates,$(foreach txt,$(vndk_prebuilt_txts), \
    165     $(txt):$(patsubst %.txt,%.$(PLATFORM_VNDK_VERSION).txt,$(txt))),ETC) \
    166   $(vndk_snapshot_configs)
    167 
    168 $(vndk_snapshot_zip): PRIVATE_NOTICE_FILES_OUT := $(vndk_snapshot_variant)/NOTICE_FILES
    169 $(vndk_snapshot_zip): PRIVATE_NOTICE_FILES_INTERMEDIATES := \
    170   $(call paths-of-notice-files,$(vndk_core_libs),vndk) \
    171   $(call paths-of-notice-files,$(vndk_sp_libs),vndk-sp)
    172 
    173 ifdef TARGET_2ND_ARCH
    174 $(vndk_snapshot_zip): PRIVATE_VNDK_CORE_OUT_2ND := $(vndk_lib_dir_2nd)/shared/vndk-core
    175 $(vndk_snapshot_zip): PRIVATE_VNDK_CORE_INTERMEDIATES_2ND := \
    176   $(call paths-of-intermediates,$(foreach lib,$(vndk_core_libs),$(lib):$(lib).so),SHARED_LIBRARIES,true)
    177 
    178 $(vndk_snapshot_zip): PRIVATE_VNDK_SP_OUT_2ND := $(vndk_lib_dir_2nd)/shared/vndk-sp
    179 $(vndk_snapshot_zip): PRIVATE_VNDK_SP_INTERMEDIATES_2ND := \
    180   $(call paths-of-intermediates,$(foreach lib,$(vndk_sp_libs),$(lib):$(lib).so),SHARED_LIBRARIES,true)
    181 endif
    182 
    183 # Args
    184 #   $(1): destination directory
    185 #   $(2): list of files to copy
    186 $(vndk_snapshot_zip): private-copy-vndk-intermediates = \
    187   $(if $(2),$(strip \
    188     @mkdir -p $(1); \
    189     $(foreach file,$(2), \
    190       if [ -e $(file) ]; then \
    191         cp -p $(file) $(call append-path,$(1),$(subst .vendor,,$(notdir $(file)))); \
    192       fi; \
    193     ) \
    194   ))
    195 
    196 vndk_snapshot_dependencies := \
    197   $(vndk_snapshot_libs) \
    198   $(vndk_prebuilt_txts) \
    199   $(vndk_snapshot_configs)
    200 
    201 $(vndk_snapshot_zip): $(vndk_snapshot_dependencies) $(SOONG_ZIP)
    202 	@echo 'Generating VNDK snapshot: $@'
    203 	@rm -f $@
    204 	@rm -rf $(PRIVATE_VNDK_SNAPSHOT_OUT)
    205 	@mkdir -p $(PRIVATE_VNDK_SNAPSHOT_OUT)
    206 	$(call private-copy-vndk-intermediates, \
    207 		$(PRIVATE_VNDK_CORE_OUT),$(PRIVATE_VNDK_CORE_INTERMEDIATES))
    208 	$(call private-copy-vndk-intermediates, \
    209 		$(PRIVATE_VNDK_SP_OUT),$(PRIVATE_VNDK_SP_INTERMEDIATES))
    210 	$(call private-copy-vndk-intermediates, \
    211 		$(PRIVATE_CONFIGS_OUT),$(PRIVATE_CONFIGS_INTERMEDIATES))
    212 	$(call private-copy-vndk-intermediates, \
    213 		$(PRIVATE_NOTICE_FILES_OUT),$(PRIVATE_NOTICE_FILES_INTERMEDIATES))
    214 ifdef TARGET_2ND_ARCH
    215 	$(call private-copy-vndk-intermediates, \
    216 		$(PRIVATE_VNDK_CORE_OUT_2ND),$(PRIVATE_VNDK_CORE_INTERMEDIATES_2ND))
    217 	$(call private-copy-vndk-intermediates, \
    218 		$(PRIVATE_VNDK_SP_OUT_2ND),$(PRIVATE_VNDK_SP_INTERMEDIATES_2ND))
    219 endif
    220 	$(hide) $(SOONG_ZIP) -o $@ -C $(PRIVATE_VNDK_SNAPSHOT_OUT) -D $(PRIVATE_VNDK_SNAPSHOT_OUT)
    221 
    222 .PHONY: vndk
    223 vndk: $(vndk_snapshot_zip)
    224 
    225 $(call dist-for-goals, vndk, $(vndk_snapshot_zip))
    226 
    227 # clear global vars
    228 clang-ubsan-vndk-core :=
    229 paths-of-intermediates :=
    230 paths-of-notice-files :=
    231 vndk_core_libs :=
    232 vndk_sp_libs :=
    233 vndk_snapshot_libs :=
    234 vndk_prebuilt_txts :=
    235 vndk_snapshot_configs :=
    236 vndk_snapshot_top :=
    237 vndk_snapshot_out :=
    238 vndk_snapshot_configs_out :=
    239 vndk_snapshot_variant :=
    240 binder :=
    241 vndk_lib_dir :=
    242 vndk_lib_dir_2nd :=
    243 vndk_snapshot_dependencies :=
    244 
    245 else # BOARD_VNDK_RUNTIME_DISABLE is set to 'true'
    246 error_msg := "CANNOT generate VNDK snapshot. BOARD_VNDK_RUNTIME_DISABLE must not be set to 'true'."
    247 endif # BOARD_VNDK_RUNTIME_DISABLE
    248 
    249 else # PLATFORM_VNDK_VERSION is NOT set
    250 error_msg := "CANNOT generate VNDK snapshot. PLATFORM_VNDK_VERSION must be set."
    251 endif # PLATFORM_VNDK_VERSION
    252 
    253 else # BOARD_VNDK_VERSION is NOT set to 'current'
    254 error_msg := "CANNOT generate VNDK snapshot. BOARD_VNDK_VERSION must be set to 'current'."
    255 endif # BOARD_VNDK_VERSION
    256 
    257 ifneq (,$(error_msg))
    258 
    259 .PHONY: vndk
    260 vndk:
    261 	$(call echo-error,$(current_makefile),$(error_msg))
    262 	exit 1
    263 
    264 endif
    265