Merge "Extract common.UnzipToDir, invoke that from merge_target_files.py"
diff --git a/Changes.md b/Changes.md
index e356109..35b8944 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,5 +1,15 @@
 # Build System Changes for Android.mk Writers
 
+## `*.c.arm` / `*.cpp.arm` deprecation  {#file_arm}
+
+In Android.mk files, you used to be able to change LOCAL_ARM_MODE for each
+source file by appending `.arm` to the end of the filename in
+`LOCAL_SRC_FILES`.
+
+Soong does not support this uncommonly used behavior, instead expecting those
+files to be split out into a separate static library that chooses `arm` over
+`thumb` for the entire library. This must now also be done in Android.mk files.
+
 ## Windows cross-compiles no longer supported in Android.mk
 
 Modules that build for Windows (our only `HOST_CROSS` OS currently) must now be
diff --git a/core/binary.mk b/core/binary.mk
index 8e1281a..ad3d76b 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -440,9 +440,6 @@
 ifneq ($(foreach i,$(my_c_includes),$(filter %/..,$(i))$(findstring /../,$(i))),)
 my_soong_problems += dotdot_incs
 endif
-ifneq ($(filter %.arm,$(my_src_files)),)
-my_soong_problems += srcs_dotarm
-endif
 
 ####################################################
 ## Add FDO flags if FDO is turned on and supported
@@ -506,19 +503,15 @@
 ###########################################################
 LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE))
 ifeq ($($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),arm)
-arm_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),arm)
 normal_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),thumb)
 
 # Read the values from something like TARGET_arm_CFLAGS or
 # TARGET_thumb_CFLAGS.  HOST_(arm|thumb)_CFLAGS values aren't
 # actually used (although they are usually empty).
-arm_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(arm_objects_mode)_CFLAGS)
 normal_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(normal_objects_mode)_CFLAGS)
 
 else
-arm_objects_mode :=
 normal_objects_mode :=
-arm_objects_cflags :=
 normal_objects_cflags :=
 endif
 
@@ -861,22 +854,9 @@
 ## C++: Compile .cpp files to .o.
 ###########################################################
 
-# we also do this on host modules, even though
-# it's not really arm, because there are files that are shared.
-cpp_arm_sources := $(patsubst %$(LOCAL_CPP_EXTENSION).arm,%$(LOCAL_CPP_EXTENSION),$(filter %$(LOCAL_CPP_EXTENSION).arm,$(my_src_files)))
-dotdot_arm_sources := $(filter ../%,$(cpp_arm_sources))
-cpp_arm_sources := $(filter-out ../%,$(cpp_arm_sources))
-cpp_arm_objects := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o))
-$(call track-src-file-obj,$(patsubst %,%.arm,$(cpp_arm_sources)),$(cpp_arm_objects))
-
-# For source files starting with ../, we remove all the ../ in the object file path,
-# to avoid object file escaping the intermediate directory.
-dotdot_arm_objects :=
-$(foreach s,$(dotdot_arm_sources),\
-  $(eval $(call compile-dotdot-cpp-file,$(s),\
-  $(my_additional_dependencies),\
-  dotdot_arm_objects)))
-$(call track-src-file-obj,$(patsubst %,%.arm,$(dotdot_arm_sources)),$(dotdot_arm_objects))
+ifneq ($(filter %$(LOCAL_CPP_EXTENSION).arm,$(my_src_files)),)
+$(call pretty-error,Files ending in $(LOCAL_CPP_EXTENSION).arm are deprecated. See $(CHANGES_URL)#file_arm)
+endif
 
 dotdot_sources := $(filter ../%$(LOCAL_CPP_EXTENSION),$(my_src_files))
 dotdot_objects :=
@@ -887,15 +867,11 @@
 $(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects))
 
 cpp_normal_sources := $(filter-out ../%,$(filter %$(LOCAL_CPP_EXTENSION),$(my_src_files)))
-cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o))
-$(call track-src-file-obj,$(cpp_normal_sources),$(cpp_normal_objects))
+cpp_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o))
+$(call track-src-file-obj,$(cpp_normal_sources),$(cpp_objects))
 
-$(dotdot_arm_objects) $(cpp_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode)
-$(dotdot_arm_objects) $(cpp_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
-$(dotdot_objects) $(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
-$(dotdot_objects) $(cpp_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
-
-cpp_objects        := $(cpp_arm_objects) $(cpp_normal_objects)
+$(dotdot_objects) $(cpp_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
+$(dotdot_objects) $(cpp_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 
 ifneq ($(strip $(cpp_objects)),)
 $(cpp_objects): $(intermediates)/%.o: \
@@ -905,7 +881,7 @@
 $(call include-depfiles-for-objs, $(cpp_objects))
 endif
 
-cpp_objects += $(dotdot_arm_objects) $(dotdot_objects)
+cpp_objects += $(dotdot_objects)
 
 ###########################################################
 ## C++: Compile generated .cpp files to .o.
@@ -917,7 +893,6 @@
 
 ifneq ($(strip $(gen_cpp_objects)),)
 # Compile all generated files as thumb.
-# TODO: support compiling certain generated files as arm.
 $(gen_cpp_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(gen_cpp_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 $(gen_cpp_objects): $(intermediates)/%.o: \
@@ -965,20 +940,9 @@
 ## C: Compile .c files to .o.
 ###########################################################
 
-c_arm_sources := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(my_src_files)))
-dotdot_arm_sources := $(filter ../%,$(c_arm_sources))
-c_arm_sources := $(filter-out ../%,$(c_arm_sources))
-c_arm_objects := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o))
-$(call track-src-file-obj,$(patsubst %,%.arm,$(c_arm_sources)),$(c_arm_objects))
-
-# For source files starting with ../, we remove all the ../ in the object file path,
-# to avoid object file escaping the intermediate directory.
-dotdot_arm_objects :=
-$(foreach s,$(dotdot_arm_sources),\
-  $(eval $(call compile-dotdot-c-file,$(s),\
-    $(my_additional_dependencies),\
-    dotdot_arm_objects)))
-$(call track-src-file-obj,$(patsubst %,%.arm,$(dotdot_arm_sources)),$(dotdot_arm_objects))
+ifneq ($(filter %.c.arm,$(my_src_files)),)
+$(call pretty-error,Files ending in .c.arm are deprecated. See $(CHANGES_URL)#file_arm)
+endif
 
 dotdot_sources := $(filter ../%.c, $(my_src_files))
 dotdot_objects :=
@@ -989,15 +953,11 @@
 $(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects))
 
 c_normal_sources := $(filter-out ../%,$(filter %.c,$(my_src_files)))
-c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o))
-$(call track-src-file-obj,$(c_normal_sources),$(c_normal_objects))
+c_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o))
+$(call track-src-file-obj,$(c_normal_sources),$(c_objects))
 
-$(dotdot_arm_objects) $(c_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode)
-$(dotdot_arm_objects) $(c_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
-$(dotdot_objects) $(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
-$(dotdot_objects) $(c_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
-
-c_objects        := $(c_arm_objects) $(c_normal_objects)
+$(dotdot_objects) $(c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
+$(dotdot_objects) $(c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 
 ifneq ($(strip $(c_objects)),)
 $(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c \
@@ -1006,7 +966,7 @@
 $(call include-depfiles-for-objs, $(c_objects))
 endif
 
-c_objects += $(dotdot_arm_objects) $(dotdot_objects)
+c_objects += $(dotdot_objects)
 
 ###########################################################
 ## C: Compile generated .c files to .o.
@@ -1018,7 +978,6 @@
 
 ifneq ($(strip $(gen_c_objects)),)
 # Compile all generated files as thumb.
-# TODO: support compiling certain generated files as arm.
 $(gen_c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(gen_c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 $(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c \
diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index 5a32ee9..d43158e 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -13,7 +13,10 @@
 install-on-system-other = $(filter-out $(PRODUCT_DEXPREOPT_SPEED_APPS) $(PRODUCT_SYSTEM_SERVER_APPS),$(basename $(notdir $(filter $(foreach f,$(SYSTEM_OTHER_ODEX_FILTER),$(TARGET_OUT)/$(f)),$(1)))))
 endif
 
-include $(BUILD_SYSTEM)/dex_preopt_libart.mk
+# Install boot images. Note that there can be multiple.
+DEFAULT_DEX_PREOPT_INSTALLED_IMAGE :=
+$(TARGET_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE :=
+$(foreach my_boot_image_name,$(DEXPREOPT_IMAGE_NAMES),$(eval include $(BUILD_SYSTEM)/dex_preopt_libart.mk))
 
 boot_profile_jars_zip := $(PRODUCT_OUT)/boot_profile_jars.zip
 bootclasspath_jars := $(DEXPREOPT_BOOTCLASSPATH_DEX_FILES)
diff --git a/core/dex_preopt_config.mk b/core/dex_preopt_config.mk
index 72d3345..9bf2be8 100644
--- a/core/dex_preopt_config.mk
+++ b/core/dex_preopt_config.mk
@@ -91,6 +91,7 @@
   $(call add_json_bool, DisablePreopt,                      $(call invert_bool,$(filter true,$(WITH_DEXPREOPT))))
   $(call add_json_list, DisablePreoptModules,               $(DEXPREOPT_DISABLED_MODULES))
   $(call add_json_bool, OnlyPreoptBootImageAndSystemServer, $(filter true,$(WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY)))
+  $(call add_json_bool, GenerateApexImage,                  $(filter true,$(DEXPREOPT_GENERATE_APEX_IMAGE)))
   $(call add_json_bool, DontUncompressPrivAppsDex,          $(filter true,$(DONT_UNCOMPRESS_PRIV_APPS_DEXS)))
   $(call add_json_list, ModulesLoadedByPrivilegedModules,   $(PRODUCT_LOADED_BY_PRIVILEGED_MODULES))
   $(call add_json_bool, HasSystemOther,                     $(BOARD_USES_SYSTEM_OTHER_ODEX))
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index 2bfe881..edd82df 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -1,5 +1,7 @@
 ####################################
-# dexpreopt support for ART
+# ART boot image installation
+# Input variable:
+#   my_boot_image_name: the boot image to install
 #
 ####################################
 
@@ -10,7 +12,7 @@
 
 # Install primary arch vdex files into a shared location, and then symlink them to both the primary
 # and secondary arch directories.
-my_vdex_copy_pairs := $(DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_$(TARGET_ARCH))
+my_vdex_copy_pairs := $(DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_$(my_boot_image_name)_$(TARGET_ARCH))
 my_installed := $(foreach v,$(my_vdex_copy_pairs),$(PRODUCT_OUT)$(call word-colon,2,$(v)))
 $(firstword $(my_installed)): $(wordlist 2,9999,$(my_installed))
 
diff --git a/core/dex_preopt_libart_boot.mk b/core/dex_preopt_libart_boot.mk
index ec9aad7..34b8526 100644
--- a/core/dex_preopt_libart_boot.mk
+++ b/core/dex_preopt_libart_boot.mk
@@ -1,19 +1,21 @@
-# Rules to install boot.art built by dexpreopt_bootjars.go
+# Rules to install a boot image built by dexpreopt_bootjars.go
 # Input variables:
+#   my_boot_image_name: the boot image to install
 #   my_2nd_arch_prefix: indicates if this is to build for the 2nd arch.
 #   my_dexpreopt_image_extra_deps: extra dependencies to add on the installed boot.art
 
 # Install the boot images compiled by Soong
 # The first file (generally boot.art) is saved as DEFAULT_DEX_PREOPT_INSTALLED_IMAGE,
 # and the rest are added as dependencies of the first.
-my_installed := $(call copy-many-files,$(DEXPREOPT_IMAGE_BUILT_INSTALLED_$(TARGET_$(my_2nd_arch_prefix)ARCH)),$(PRODUCT_OUT))
+
+my_installed := $(call copy-many-files,$(DEXPREOPT_IMAGE_BUILT_INSTALLED_$(my_boot_image_name)_$(TARGET_$(my_2nd_arch_prefix)ARCH)),$(PRODUCT_OUT))
 $(firstword $(my_installed)): $(wordlist 2,9999,$(my_installed))
-$(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE := $(firstword $(my_installed))
+$(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE += $(firstword $(my_installed))
 
 # Install the unstripped boot images compiled by Soong into the symbols directory
 # The first file (generally boot.art) made a dependency of DEFAULT_DEX_PREOPT_INSTALLED_IMAGE,
 # and the rest are added as dependencies of the first.
-my_installed := $(call copy-many-files,$(DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_$(TARGET_$(my_2nd_arch_prefix)ARCH)),$(TARGET_OUT_UNSTRIPPED))
+my_installed := $(call copy-many-files,$(DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_$(my_boot_image_name)_$(TARGET_$(my_2nd_arch_prefix)ARCH)),$(TARGET_OUT_UNSTRIPPED))
 $(firstword $(my_installed)): $(wordlist 2,9999,$(my_installed))
 $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE): $(firstword $(my_installed))
 
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index bda871c..3d02cdc 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -150,13 +150,13 @@
     # #################################################
     # Odex for the 1st arch
     my_dexpreopt_archs += $(TARGET_ARCH)
-    my_dexpreopt_images += $(DEXPREOPT_IMAGE_$(TARGET_ARCH))
+    my_dexpreopt_images += $(DEXPREOPT_IMAGE_boot_$(TARGET_ARCH))
     # Odex for the 2nd arch
     ifdef TARGET_2ND_ARCH
       ifneq ($(TARGET_TRANSLATE_2ND_ARCH),true)
         ifneq (first,$(my_module_multilib))
           my_dexpreopt_archs += $(TARGET_2ND_ARCH)
-          my_dexpreopt_images += $(DEXPREOPT_IMAGE_$(TARGET_2ND_ARCH))
+          my_dexpreopt_images += $(DEXPREOPT_IMAGE_boot_$(TARGET_2ND_ARCH))
         endif  # my_module_multilib is not first.
       endif  # TARGET_TRANSLATE_2ND_ARCH not true
     endif  # TARGET_2ND_ARCH
@@ -166,13 +166,13 @@
     # Save the module multilib since setup_one_odex modifies it.
     my_2nd_arch_prefix := $(LOCAL_2ND_ARCH_VAR_PREFIX)
     my_dexpreopt_archs += $(TARGET_$(my_2nd_arch_prefix)ARCH)
-    my_dexpreopt_images += $(DEXPREOPT_IMAGE_$(TARGET_$(my_2nd_arch_prefix)ARCH))
+    my_dexpreopt_images += $(DEXPREOPT_IMAGE_boot_$(TARGET_$(my_2nd_arch_prefix)ARCH))
     ifdef TARGET_2ND_ARCH
       ifeq ($(my_module_multilib),both)
         # The non-preferred arch
         my_2nd_arch_prefix := $(if $(LOCAL_2ND_ARCH_VAR_PREFIX),,$(TARGET_2ND_ARCH_VAR_PREFIX))
         my_dexpreopt_archs += $(TARGET_$(my_2nd_arch_prefix)ARCH)
-        my_dexpreopt_images += $(DEXPREOPT_IMAGE_$(TARGET_$(my_2nd_arch_prefix)ARCH))
+        my_dexpreopt_images += $(DEXPREOPT_IMAGE_boot_$(TARGET_$(my_2nd_arch_prefix)ARCH))
       endif  # LOCAL_MULTILIB is both
     endif  # TARGET_2ND_ARCH
   endif  # LOCAL_MODULE_CLASS
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index 383c11a..ce78ece 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -20,8 +20,6 @@
   target/common/obj/JAVA_LIBRARIES/conscrypt_intermediates \
   target/common/obj/JAVA_LIBRARIES/core-oj_intermediates \
   target/common/obj/JAVA_LIBRARIES/core-libart_intermediates \
-  target/common/obj/JAVA_LIBRARIES/legacy-test_intermediates \
-  target/common/obj/JAVA_LIBRARIES/legacy-android-test_intermediates \
   target/common/obj/JAVA_LIBRARIES/ext_intermediates \
   target/common/obj/JAVA_LIBRARIES/framework_intermediates \
   target/common/obj/JAVA_LIBRARIES/hwbinder_intermediates \