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Support hidden API whitelist generated by class2greylist

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Libcore has support for annotating a virtual method which is known
to change its return type in a future release. This annotation is
recognized by the dexer and a future-proof bridge method is created.
This patch integrates changes in class2greylist to support this
annotation into the build system and generation of hidden API lists.

Calling class2greylist on each boot classpath module now produces two
text files instead of one: signatures for greylisting and now also
whitelisting. They are passed on to the hidden API list generating rules
in frameworks/base.

Bug: 112186571
Test: m appcompat, diff public-list.txt whitelist.txt
Change-Id: I9861203e6e07a17d50850892ec13880971457d11
This commit is contained in:
David Brazdil
2018-08-22 17:38:02 +01:00
parent ebe17177fe
commit b67402ecce
4 changed files with 18 additions and 10 deletions
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1
core/config.mk
View File

@@ -1116,6 +1116,7 @@ endif
INTERNAL_PLATFORM_HIDDENAPI_PUBLIC_LIST := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/hiddenapi-public-list.txt
INTERNAL_PLATFORM_HIDDENAPI_PRIVATE_LIST := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/hiddenapi-private-list.txt
INTERNAL_PLATFORM_HIDDENAPI_WHITELIST := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/hiddenapi-whitelist.txt
INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/hiddenapi-light-greylist.txt
INTERNAL_PLATFORM_HIDDENAPI_DARK_GREYLIST := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/hiddenapi-dark-greylist.txt
INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/hiddenapi-blacklist.txt

14
core/definitions.mk
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@@ -2877,12 +2877,18 @@ endef
define hiddenapi-generate-greylist-txt
ifneq (,$(wildcard frameworks/base))
# Only generate this target if we're in a tree with frameworks/base present.
$(2): $(1) $(CLASS2GREYLIST) $(INTERNAL_PLATFORM_HIDDENAPI_PUBLIC_LIST)
$(CLASS2GREYLIST) --public-api-list $(INTERNAL_PLATFORM_HIDDENAPI_PUBLIC_LIST) $(1) > $(2)
$(3): .KATI_IMPLICIT_OUTPUTS := $(2)
$(3): $(1) $(CLASS2GREYLIST) $(INTERNAL_PLATFORM_HIDDENAPI_PUBLIC_LIST)
$(CLASS2GREYLIST) --public-api-list $(INTERNAL_PLATFORM_HIDDENAPI_PUBLIC_LIST) $(1) \
--write-whitelist $(2) --write-greylist $(3)
$(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST): $(2)
$(INTERNAL_PLATFORM_HIDDENAPI_WHITELIST): $(2)
$(INTERNAL_PLATFORM_HIDDENAPI_WHITELIST): \
PRIVATE_WHITELIST_INPUTS := $$(PRIVATE_WHITELIST_INPUTS) $(2)
$(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST): $(3)
$(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST): \
PRIVATE_GREYLIST_INPUTS := $$(PRIVATE_GREYLIST_INPUTS) $(2)
PRIVATE_GREYLIST_INPUTS := $$(PRIVATE_GREYLIST_INPUTS) $(3)
endif
endef

8
core/java.mk
View File

@@ -74,8 +74,8 @@ 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
greylist_txt := $(intermediates.COMMON)/greylist.txt
hiddenapi_whitelist_txt := $(intermediates.COMMON)/hiddenapi/whitelist.txt
hiddenapi_greylist_txt := $(intermediates.COMMON)/hiddenapi/greylist.txt
ifeq ($(LOCAL_MODULE_CLASS)$(LOCAL_SRC_FILES)$(LOCAL_STATIC_JAVA_LIBRARIES)$(LOCAL_SOURCE_FILES_ALL_GENERATED),APPS)
# If this is an apk without any Java code (e.g. framework-res), we should skip compiling Java.
@@ -502,8 +502,8 @@ ifneq ($(filter $(LOCAL_MODULE),$(PRODUCT_BOOT_JARS)),) # is_boot_jar
# dex later on. The difference is academic currently, as we don't proguard any
# bootclasspath code at the moment. If we were to do that, we should add keep
# rules for all members with the @UnsupportedAppUsage annotation.
$(eval $(call hiddenapi-generate-greylist-txt,$(full_classes_pre_proguard_jar),$(greylist_txt)))
LOCAL_INTERMEDIATE_TARGETS += $(greylist_txt)
$(eval $(call hiddenapi-generate-greylist-txt, $(full_classes_pre_proguard_jar),$(hiddenapi_whitelist_txt),$(hiddenapi_greylist_txt)))
LOCAL_INTERMEDIATE_TARGETS += $(hiddenapi_whitelist_txt) $(hiddenapi_greylist_txt)
$(eval $(call hiddenapi-copy-dex-files,$(built_dex_intermediate),$(built_dex_hiddenapi)))
built_dex_copy_from := $(built_dex_hiddenapi)
else # !is_boot_jar

5
core/soong_java_prebuilt.mk
View File

@@ -19,7 +19,8 @@ full_classes_jar := $(intermediates.COMMON)/classes.jar
full_classes_pre_proguard_jar := $(intermediates.COMMON)/classes-pre-proguard.jar
full_classes_header_jar := $(intermediates.COMMON)/classes-header.jar
common_javalib.jar := $(intermediates.COMMON)/javalib.jar
greylist_txt := $(intermediates.COMMON)/greylist.txt
hiddenapi_whitelist_txt := $(intermediates.COMMON)/hiddenapi/whitelist.txt
hiddenapi_greylist_txt := $(intermediates.COMMON)/hiddenapi/greylist.txt
$(eval $(call copy-one-file,$(LOCAL_PREBUILT_MODULE_FILE),$(full_classes_jar)))
$(eval $(call copy-one-file,$(LOCAL_PREBUILT_MODULE_FILE),$(full_classes_pre_proguard_jar)))
@@ -77,7 +78,7 @@ ifdef LOCAL_SOONG_DEX_JAR
# We use full_classes_jar here, which is the post-proguard jar (on the basis that we also
# have a full_classes_pre_proguard_jar). This is consistent with the equivalent code in
# java.mk.
$(eval $(call hiddenapi-generate-greylist-txt,$(full_classes_jar),$(greylist_txt)))
$(eval $(call hiddenapi-generate-greylist-txt,$(full_classes_jar),$(hiddenapi_whitelist_txt),$(hiddenapi_greylist_txt)))
$(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)))