platform_build/core/install_jni_libs.mk
Jiyong Park 1cb8dea625 Embed jni libs in vendor apks for treble-ized devices
JNI libs used by bundled APKs have been installed outside of the APK
(e.g. /system/lib and /vendor/lib) to save space because multiple APKs
may share the same set of JNI libs.

However, this causes problem for treble-ized devices where access to
/vendor/lib is prohibited for system processes including Java apps.

So, the JNI libs are embedded into the APK when the APK is installed to
/vendor partition and the device is fully treble-ized.

Bug: 37491282
Test: Move an APK and its JNI libraries to vendor partition by setting
LOCAL_PROPRIETARY_MODULE := true and build:
The jni lib does not exist under /system or /vendor. unzipping
the apk reveals the jni lib under ./lib/<abi> directory.

Change-Id: I8389761dfbd28d181869d79f0bf988a1e4df2fca
2017-04-24 10:01:34 +09:00

103 lines
3.8 KiB
Makefile

# Decides how to install the jni libraries needed by an apk.
# Input variables:
# my_module_multilib, LOCAL_2ND_ARCH_VAR_PREFIX (from package.mk or prebuilt.mk)
# rs_compatibility_jni_libs (from java.mk)
# my_module_path (from base_rules.mk)
# partition_tag (from base_rules.mk)
# my_prebuilt_src_file (from prebuilt_internal.mk)
#
# Output variables:
# jni_shared_libraries, jni_shared_libraries_abi, jni_shared_libraries_with_abis if we are going to embed the libraries into the apk;
# embedded_prebuilt_jni_libs, prebuilt jni libs embedded in prebuilt apk.
#
my_embed_jni :=
ifneq ($(TARGET_BUILD_APPS),)
my_embed_jni := true
endif
ifneq ($(filter tests samples, $(LOCAL_MODULE_TAGS)),)
my_embed_jni := true
endif
ifneq ($(BOARD_VNDK_VERSION),)
ifeq ($(filter $(TARGET_OUT)/%, $(my_module_path)),)
# If this app isn't to be installed to the system partition, and the device
# is fully treble-ized then jni libs are embedded, Otherwise, access to the
# directory where the lib is installed to (usually /vendor/lib) needs to be
# allowed for system processes, which is a Treble violation.
my_embed_jni := true
endif
else
ifeq ($(filter $(TARGET_OUT)/% $(TARGET_OUT_VENDOR)/% $(TARGET_OUT_OEM)/%, $(my_module_path)),)
# If this app isn't to be installed to system, vendor, or oem partitions.
my_embed_jni := true
endif
endif
jni_shared_libraries :=
jni_shared_libraries_abis :=
# jni_shared_libraries_with_abis is a list of <abi>:<path-to-the-built-jni-lib>
jni_shared_libraries_with_abis :=
embedded_prebuilt_jni_libs :=
#######################################
# For TARGET_ARCH
my_2nd_arch_prefix :=
my_add_jni :=
# The module is built for TARGET_ARCH
ifeq ($(my_2nd_arch_prefix),$(LOCAL_2ND_ARCH_VAR_PREFIX))
my_add_jni := true
endif
# Or it explicitly requires both
ifeq ($(my_module_multilib),both)
my_add_jni := true
endif
ifeq ($(my_add_jni),true)
my_prebuilt_jni_libs := $(LOCAL_PREBUILT_JNI_LIBS_$(TARGET_ARCH))
ifndef my_prebuilt_jni_libs
my_prebuilt_jni_libs := $(LOCAL_PREBUILT_JNI_LIBS)
endif
include $(BUILD_SYSTEM)/install_jni_libs_internal.mk
jni_shared_libraries += $(my_jni_shared_libraries)
jni_shared_libraries_abis += $(my_jni_shared_libraries_abi)
jni_shared_libraries_with_abis += $(addprefix $(my_jni_shared_libraries_abi):,\
$(my_jni_shared_libraries))
embedded_prebuilt_jni_libs += $(my_embedded_prebuilt_jni_libs)
# Include RS dynamically-generated libraries as well
# TODO: Add multilib support once RS supports generating multilib libraries.
jni_shared_libraries += $(rs_compatibility_jni_libs)
jni_shared_libraries_with_abis += $(addprefix $(my_jni_shared_libraries_abi):,\
$(rs_compatibility_jni_libs))
endif # my_add_jni
#######################################
# For TARGET_2ND_ARCH
ifdef TARGET_2ND_ARCH
my_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
my_add_jni :=
# The module is built for TARGET_2ND_ARCH
ifeq ($(my_2nd_arch_prefix),$(LOCAL_2ND_ARCH_VAR_PREFIX))
my_add_jni := true
endif
# Or it explicitly requires both
ifeq ($(my_module_multilib),both)
my_add_jni := true
endif
ifeq ($(my_add_jni),true)
my_prebuilt_jni_libs := $(LOCAL_PREBUILT_JNI_LIBS_$(TARGET_2ND_ARCH))
ifndef my_prebuilt_jni_libs
my_prebuilt_jni_libs := $(LOCAL_PREBUILT_JNI_LIBS)
endif
include $(BUILD_SYSTEM)/install_jni_libs_internal.mk
jni_shared_libraries += $(my_jni_shared_libraries)
jni_shared_libraries_abis += $(my_jni_shared_libraries_abi)
jni_shared_libraries_with_abis += $(addprefix $(my_jni_shared_libraries_abi):,\
$(my_jni_shared_libraries))
embedded_prebuilt_jni_libs += $(my_embedded_prebuilt_jni_libs)
endif # my_add_jni
endif # TARGET_2ND_ARCH
jni_shared_libraries := $(strip $(jni_shared_libraries))
jni_shared_libraries_abis := $(sort $(jni_shared_libraries_abis))
jni_shared_libraries_with_abis := $(strip $(jni_shared_libraries_with_abis))
embedded_prebuilt_jni_libs := $(strip $(embedded_prebuilt_jni_libs))