Introduce per-product per-module dex-preopt config

- Added LOCAL_DEX_PREOPT_FLAGS to pass extra flags to dex2oat.
- Added macro add-product-dex-preopt-module-config to specify almost
  arbitrary dex-preopt config/flags to modules in product
  configuration:
  $(call \
  add-product-dex-preopt-module-config,<module_name_list>,<config_or_flags>)
  How <config_or_flags> is interpreted is decided by
  dex_preopt_odex_install.mk and dex2oat. For now if it's "disable" we
  disable dexpreopt for the given modules; otherwise pass it to dex2oat as
  command line flags.
- If there are multiple configs for the same module in the product
  inheritance, the first takes precedence.
- Added PRODUCT_DEX_PREOPT_DEFAULT_FLAGS so you can specify default
  dex2oat flags in product configuration.
- Added PRODUCT_DEX_PREOPT_BOOT_FLAGS to specify flags of building boot.oat.

Bug: 17791867
(cherry picked from commit 20ebd2ef081f2a3e85a4adcf8837e6f5b68bdeea)

Change-Id: I2ee36892b40655c96837ee7a663dda1d25830878

6 files changed, 54 insertions, 5 deletions

diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index f23c4a6..92b3fc4 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -123,6 +123,7 @@ LOCAL_RENDERSCRIPT_SKIP_INSTALL:=
 LOCAL_RENDERSCRIPT_TARGET_API:=
 LOCAL_DEX_PREOPT:= # '',true,false,nostripping
 LOCAL_DEX_PREOPT_IMAGE_LOCATION:=
+LOCAL_DEX_PREOPT_FLAGS:=
 LOCAL_PROTOC_OPTIMIZE_TYPE:= # lite(default),micro,nano,full
 LOCAL_PROTOC_FLAGS:=
 LOCAL_PROTO_JAVA_OUTPUT_PARAMS:=
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index 5af2be2..4e43a86 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -91,5 +91,6 @@ $(hide) $(DEX2OATD) \
 	--android-root=$(PRODUCT_OUT)/system \
 	--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
 	--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
-	--include-patch-information --runtime-arg -Xnorelocate --no-include-debug-symbols
+	--include-patch-information --runtime-arg -Xnorelocate --no-include-debug-symbols \
+	$(PRIVATE_DEX_PREOPT_FLAGS)
 endef
diff --git a/core/dex_preopt_libart_boot.mk b/core/dex_preopt_libart_boot.mk
index fe4c5a4..620b464 100644
--- a/core/dex_preopt_libart_boot.mk
+++ b/core/dex_preopt_libart_boot.mk
@@ -53,4 +53,5 @@ $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME) : $(LIBART_TARGE
 		--image=$@ --base=$(LIBART_IMG_TARGET_BASE_ADDRESS) \
 		--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
 		--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
-		--android-root=$(PRODUCT_OUT)/system --include-patch-information --runtime-arg -Xnorelocate --no-include-debug-symbols
+		--android-root=$(PRODUCT_OUT)/system --include-patch-information --runtime-arg -Xnorelocate --no-include-debug-symbols \
+		$(PRODUCT_DEX_PREOPT_BOOT_FLAGS)
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 741f9a3..90ae08f 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -11,7 +11,12 @@ else # WITH_DEXPREOPT=true
     ifndef LOCAL_DEX_PREOPT # LOCAL_DEX_PREOPT undefined
       ifneq ($(filter $(TARGET_OUT)/%,$(my_module_path)),) # Installed to system.img.
         ifeq (,$(LOCAL_APK_LIBRARIES)) # LOCAL_APK_LIBRARIES empty
-          LOCAL_DEX_PREOPT := $(DEX_PREOPT_DEFAULT)
+          # If we have product-specific config for this module?
+          ifeq (disable,$(DEXPREOPT.$(TARGET_PRODUCT).$(LOCAL_MODULE).CONFIG))
+            LOCAL_DEX_PREOPT := false
+          else
+            LOCAL_DEX_PREOPT := $(DEX_PREOPT_DEFAULT)
+          endif
         else # LOCAL_APK_LIBRARIES not empty
           LOCAL_DEX_PREOPT := nostripping
         endif # LOCAL_APK_LIBRARIES not empty
@@ -94,6 +99,14 @@ endif  # libart
 endif  # boot jar
 
 ifdef built_odex
+ifndef LOCAL_DEX_PREOPT_FLAGS
+LOCAL_DEX_PREOPT_FLAGS := $(DEXPREOPT.$(TARGET_PRODUCT).$(LOCAL_MODULE).CONFIG)
+ifndef LOCAL_DEX_PREOPT_FLAGS
+LOCAL_DEX_PREOPT_FLAGS := $(PRODUCT_DEX_PREOPT_DEFAULT_FLAGS)
+endif
+endif
+$(built_odex): PRIVATE_DEX_PREOPT_FLAGS := $(LOCAL_DEX_PREOPT_FLAGS)
+
 # Use pattern rule - we may have multiple installed odex files.
 # Ugly syntax - See the definition get-odex-file-path.
 $(installed_odex) : $(dir $(LOCAL_INSTALLED_MODULE))%$(notdir $(word 1,$(installed_odex))) \
diff --git a/core/product.mk b/core/product.mk
index 0075acd..ed906cb 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -100,14 +100,18 @@ _product_var_list := \
     PRODUCT_FACTORY_BUNDLE_MODULES \
     PRODUCT_RUNTIMES \
     PRODUCT_BOOT_JARS \
-    PRODUCT_DEX_PREOPT_IMAGE_IN_DATA \
     PRODUCT_SUPPORTS_VERITY \
     PRODUCT_OEM_PROPERTIES \
     PRODUCT_SYSTEM_PROPERTY_BLACKLIST \
     PRODUCT_SYSTEM_SERVER_JARS \
     PRODUCT_VERITY_SIGNING_KEY \
     PRODUCT_SYSTEM_VERITY_PARTITION \
-    PRODUCT_VENDOR_VERITY_PARTITION
+    PRODUCT_VENDOR_VERITY_PARTITION \
+    PRODUCT_DEX_PREOPT_IMAGE_IN_DATA \
+    PRODUCT_DEX_PREOPT_MODULE_CONFIGS \
+    PRODUCT_DEX_PREOPT_DEFAULT_FLAGS \
+    PRODUCT_DEX_PREOPT_BOOT_FLAGS \
+
 
 define dump-product
 $(info ==== $(1) ====)\
@@ -299,3 +303,14 @@ endef
 define add-to-product-copy-files-if-exists
 $(if $(wildcard $(word 1,$(subst :, ,$(1)))),$(1))
 endef
+
+# whitespace placeholder when we record module's dex-preopt config.
+_PDPMC_SP_PLACE_HOLDER := |@SP@|
+# Set up dex-preopt config for a module.
+# $(1) list of module names
+# $(2) the modules' dex-preopt config
+define add-product-dex-preopt-module-config
+$(eval _c := $(subst $(space),$(_PDPMC_SP_PLACE_HOLDER),$(strip $(2))))\
+$(eval PRODUCT_DEX_PREOPT_MODULE_CONFIGS += \
+  $(foreach m,$(1),$(m)=$(_c)))
+endef
diff --git a/core/product_config.mk b/core/product_config.mk
index 32e351c..d4ba364 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -416,3 +416,21 @@ PRODUCT_EXTRA_RECOVERY_KEYS := $(sort \
 # If there is no room in /system for the image, place it in /data
 PRODUCT_DEX_PREOPT_IMAGE_IN_DATA := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_IMAGE_IN_DATA))
+
+PRODUCT_DEX_PREOPT_DEFAULT_FLAGS := \
+    $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_DEFAULT_FLAGS))
+PRODUCT_DEX_PREOPT_BOOT_FLAGS := \
+    $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_BOOT_FLAGS))
+# Resolve and setup per-module dex-preopot configs.
+PRODUCT_DEX_PREOPT_MODULE_CONFIGS := \
+    $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_MODULE_CONFIGS))
+# If a module has multiple setups, the first takes precedence.
+_pdpmc_modules :=
+$(foreach c,$(PRODUCT_DEX_PREOPT_MODULE_CONFIGS),\
+  $(eval m := $(firstword $(subst =,$(space),$(c))))\
+  $(if $(filter $(_pdpmc_modules),$(m)),,\
+    $(eval _pdpmc_modules += $(m))\
+    $(eval cf := $(patsubst $(m)=%,%,$(c)))\
+    $(eval cf := $(subst $(_PDPMC_SP_PLACE_HOLDER),$(space),$(cf)))\
+    $(eval DEXPREOPT.$(TARGET_PRODUCT).$(m).CONFIG := $(cf))))
+_pdpmc_modules :=