Apply hiddenapi build tool on boot jars

Restrictions on usage of private APIs require encoding new information
into the dex files of the boot class path. ART now contains a new build
tool called `hiddenapi` which takes three lists of class member
signatures (blacklist, light and dark greylist), finds the class members
in their respective dex files and modifies their access flags in place.

This patch invokes the `hiddenapi` tool on all JARs in
PRODUCT_BOOT_JARS. For Java libraries built with Makefiles the tool is
invoked after the dexer directly on DEX files. For Soong-built
libraries, the build system has to unzip the JAR produced by Soong,
apply `hiddenapi` and rezip again. This is due to the fact that the
PRODUCT_BOOT_JARS variable is not available to Soong.

Bug: 64382372
Test: m
Change-Id: I6ce897d204459c8b6f46ed49e0909ff76c08a9ed
This commit is contained in:
David Brazdil 2018-01-22 19:53:18 +00:00
parent f90b7e1948
commit b7f00ed2af
4 changed files with 46 additions and 2 deletions

View file

@ -686,6 +686,7 @@ BRILLO_UPDATE_PAYLOAD := $(HOST_OUT_EXECUTABLES)/brillo_update_payload
DEXDUMP := $(HOST_OUT_EXECUTABLES)/dexdump2$(BUILD_EXECUTABLE_SUFFIX)
PROFMAN := $(HOST_OUT_EXECUTABLES)/profman
HIDDENAPI := $(HOST_OUT_EXECUTABLES)/hiddenapi
# relocation packer
RELOCATION_PACKER := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/relocation_packer/relocation_packer

View file

@ -2802,6 +2802,37 @@ done \
fi
endef
define hiddenapi-copy-dex-files
$(2): $(1) $(HIDDENAPI) $(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST) \
$(INTERNAL_PLATFORM_HIDDENAPI_DARK_GREYLIST) $(INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST)
@rm -rf $(dir $(2))
@mkdir -p $(dir $(2))
find $(dir $(1)) -maxdepth 1 -name "classes*.dex" | sort | \
xargs -I{} cp -f {} $(dir $(2))
find $(dir $(2)) -name "classes*.dex" | sort | sed 's/^/--dex=/' | \
xargs $(HIDDENAPI) --light-greylist=$(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST) \
--dark-greylist=$(INTERNAL_PLATFORM_HIDDENAPI_DARK_GREYLIST) \
--blacklist=$(INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST)
endef
define hiddenapi-copy-soong-jar
$(2): PRIVATE_FOLDER := $(dir $(2))dex-hiddenapi
$(2): $(1) $(HIDDENAPI) $(SOONG_ZIP) $(MERGE_ZIPS) $(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST) \
$(INTERNAL_PLATFORM_HIDDENAPI_DARK_GREYLIST) $(INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST)
@echo "Hidden API: $$@"
$$(copy-file-to-target)
@rm -rf $${PRIVATE_FOLDER}
@mkdir -p $${PRIVATE_FOLDER}
unzip -q $(2) 'classes*.dex' -d $${PRIVATE_FOLDER}
find $${PRIVATE_FOLDER} -name "classes*.dex" | sort | sed 's/^/--dex=/' | \
xargs $(HIDDENAPI) --light-greylist=$(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST) \
--dark-greylist=$(INTERNAL_PLATFORM_HIDDENAPI_DARK_GREYLIST) \
--blacklist=$(INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST)
$(SOONG_ZIP) -o $${PRIVATE_FOLDER}/classes.dex.jar -C $${PRIVATE_FOLDER} -D $${PRIVATE_FOLDER}
$(MERGE_ZIPS) -D -zipToNotStrip $${PRIVATE_FOLDER}/classes.dex.jar -stripFile "classes*.dex" \
$(2) $${PRIVATE_FOLDER}/classes.dex.jar $(1)
endef
###########################################################
## Commands to call Proguard
###########################################################

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@ -73,6 +73,7 @@ full_classes_jarjar_jar := $(intermediates.COMMON)/classes-jarjar.jar
full_classes_proguard_jar := $(intermediates.COMMON)/classes-proguard.jar
full_classes_combined_jar := $(intermediates.COMMON)/classes-combined.jar
built_dex_intermediate := $(intermediates.COMMON)/dex/classes.dex
built_dex_hiddenapi := $(intermediates.COMMON)/dex-hiddenapi/classes.dex
full_classes_stubs_jar := $(intermediates.COMMON)/stubs.jar
java_source_list_file := $(intermediates.COMMON)/java-source-list
@ -762,7 +763,14 @@ else
endif
endif
$(built_dex): $(built_dex_intermediate)
ifneq ($(filter $(LOCAL_MODULE),$(PRODUCT_BOOT_JARS)),) # is_boot_jar
$(eval $(call hiddenapi-copy-dex-files,$(built_dex_intermediate),$(built_dex_hiddenapi)))
built_dex_copy_from := $(built_dex_hiddenapi)
else # !is_boot_jar
built_dex_copy_from := $(built_dex_intermediate)
endif # is_boot_jar
$(built_dex): $(built_dex_copy_from)
@echo Copying: $@
$(hide) mkdir -p $(dir $@)
$(hide) rm -f $(dir $@)/classes*.dex

View file

@ -40,7 +40,11 @@ endif # TURBINE_DISABLED != false
ifdef LOCAL_SOONG_DEX_JAR
ifndef LOCAL_IS_HOST_MODULE
$(eval $(call copy-one-file,$(LOCAL_SOONG_DEX_JAR),$(common_javalib.jar)))
ifneq ($(filter $(LOCAL_MODULE),$(PRODUCT_BOOT_JARS)),) # is_boot_jar
$(eval $(call hiddenapi-copy-soong-jar,$(LOCAL_SOONG_DEX_JAR),$(common_javalib.jar)))
else # !is_boot_jar
$(eval $(call copy-one-file,$(LOCAL_SOONG_DEX_JAR),$(common_javalib.jar)))
endif # is_boot_jar
$(eval $(call add-dependency,$(common_javalib.jar),$(full_classes_jar) $(full_classes_header_jar)))
dex_preopt_profile_src_file := $(common_javalib.jar)