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Commit e472384a authored by Elliott Hughes's avatar Elliott Hughes Committed by android-build-merger
Browse files

Revert "Merge changes from topic 'fsconfig-2'" 

am: fad4b4b7

Change-Id: I34f415419dc050f5e6d4fe1fc30b896d7e3edb1b
parents 22c01a60 fad4b4b7

target/product/embedded.mk

+0 −8
Original line number Diff line number Diff line
@@ -87,14 +87,6 @@ PRODUCT_PACKAGES += \ 
    sepolicy \

    service_contexts



# AID Generation for

# <pwd.h> and <grp.h>

PRODUCT_PACKAGES += \

    passwd \

    group \

    fs_config_files \

    fs_config_dirs



# Ensure that this property is always defined so that bionic_systrace.cpp

# can rely on it being initially set by init.

PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \

tools/fs_config/Android.mk

+4 −89
Original line number Diff line number Diff line
@@ -72,19 +72,6 @@ else 
my_fs_config_h := $(LOCAL_PATH)/default/$(ANDROID_FS_CONFIG_H)

endif



# We only include targets for:

# fs_config_files

# fs_config_dirs

# If TARGET_FS_CONFIG_GEN or TARGET_ANDROID_FILESYSTEM_CONFIG_H

# is set.

#

# We only include targets for:

# passwd

# group

# If TARGET_FS_CONFIG_GEN is set.

#

ifneq ($(TARGET_FS_CONFIG_GEN)$(TARGET_ANDROID_FILESYSTEM_CONFIG_H),)



##################################

include $(CLEAR_VARS)

LOCAL_SRC_FILES := fs_config_generate.c
@@ -94,35 +81,19 @@ LOCAL_SHARED_LIBRARIES := libcutils 
LOCAL_CFLAGS := -Werror -Wno-error=\#warnings



ifneq ($(TARGET_FS_CONFIG_GEN),)

system_android_filesystem_config := system/core/include/private/android_filesystem_config.h



# Generate the "generated_oem_aid.h" file

oem := $(local-generated-sources-dir)/generated_oem_aid.h

$(oem): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)

$(oem): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)

$(oem): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)

$(oem): PRIVATE_CUSTOM_TOOL = $(PRIVATE_LOCAL_PATH)/fs_config_generator.py oemaid --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@

$(oem): $(TARGET_FS_CONFIG_GEN) $(LOCAL_PATH)/fs_config_generator.py

	$(transform-generated-source)



# Generate the fs_config header

gen := $(local-generated-sources-dir)/$(ANDROID_FS_CONFIG_H)

$(gen): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)

$(gen): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)

$(gen): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)

$(gen): PRIVATE_CUSTOM_TOOL = $(PRIVATE_LOCAL_PATH)/fs_config_generator.py fsconfig --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@

$(gen): $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(LOCAL_PATH)/fs_config_generator.py

$(gen): PRIVATE_CUSTOM_TOOL = $(PRIVATE_LOCAL_PATH)/fs_config_generator.py $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@

$(gen): $(TARGET_FS_CONFIG_GEN) $(LOCAL_PATH)/fs_config_generator.py

	$(transform-generated-source)



LOCAL_GENERATED_SOURCES := $(oem) $(gen)



LOCAL_GENERATED_SOURCES := $(gen)

my_fs_config_h := $(gen)

my_gen_oem_aid := $(oem)

gen :=

oem :=

endif



LOCAL_C_INCLUDES := $(dir $(my_fs_config_h)) $(dir $(my_gen_oem_aid))

LOCAL_C_INCLUDES := $(dir $(my_fs_config_h))



include $(BUILD_HOST_EXECUTABLE)

fs_config_generate_bin := $(LOCAL_INSTALLED_MODULE)
@@ -151,62 +122,6 @@ $(LOCAL_BUILT_MODULE): $(fs_config_generate_bin) 
	@mkdir -p $(dir $@)

	$< -F -o $@



endif # TARGET_FS_CONFIG_GEN or TARGET_ANDROID_FILESYSTEM_CONFIG_H



# The newer passwd/group targets are only generated if you

# use the new TARGET_FS_CONFIG_GEN method.

ifneq ($(TARGET_FS_CONFIG_GEN),)



##################################

# Build the oemaid library when fs config files are present.

# Intentionally break build if you require generated AIDS

# header file, but are not using any fs config files.

include $(CLEAR_VARS)

LOCAL_MODULE := liboemaids

LOCAL_EXPORT_C_INCLUDE_DIRS := $(dir $(my_gen_oem_aid))

LOCAL_EXPORT_C_INCLUDE_DEPS := $(my_gen_oem_aid)

include $(BUILD_STATIC_LIBRARY)



##################################

# Generate the system/etc/passwd text file for the target

# This file may be empty if no AIDs are defined in

# TARGET_FS_CONFIG_GEN files.

include $(CLEAR_VARS)



LOCAL_MODULE := passwd

LOCAL_MODULE_CLASS := ETC



include $(BUILD_SYSTEM)/base_rules.mk



$(LOCAL_BUILT_MODULE): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)

$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)

$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)

$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config)

	@mkdir -p $(dir $@)

	$(hide) $< passwd --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@



##################################

# Generate the system/etc/group text file for the target

# This file may be empty if no AIDs are defined in

# TARGET_FS_CONFIG_GEN files.

include $(CLEAR_VARS)



LOCAL_MODULE := group

LOCAL_MODULE_CLASS := ETC



include $(BUILD_SYSTEM)/base_rules.mk



$(LOCAL_BUILT_MODULE): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)

$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)

$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)

$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config)

	@mkdir -p $(dir $@)

	$(hide) $< group --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@



system_android_filesystem_config :=

endif



ANDROID_FS_CONFIG_H :=

my_fs_config_h :=

fs_config_generate_bin :=
 
my_gen_oem_aid :=

tools/fs_config/README

+4 −26
Original line number Diff line number Diff line
@@ -50,12 +50,12 @@ mode: 
  prefixed with a 0, else mode is used as is.



user:

  Either the C define for a valid AID or the friendly name. For instance both

  AID_RADIO and radio are acceptable. Note custom AIDs can be defined in the

  The exact, C define for a valid AID. Note custom AIDs can be defined in the

  AID section documented below.



group:

  Same as user.

  The exact, C define for a valid AID. Note custom AIDs can be defined in the

  AID section documented below.



caps:

  The name as declared in
@@ -82,8 +82,7 @@ value: <number> 
Where:



[AID_<name>]

  The <name> can contain characters in the set uppercase, numbers

  and underscores.

  The <name> can be any valid character for a #define identifier in C.



value:

  A valid C style number string. Hex, octal, binary and decimal are supported.
@@ -119,24 +118,3 @@ The declared AIDS are sorted in ascending numerical order based on the option "v 
representation of value is preserved. Both choices were made for maximum readability of the generated

file and to line up files. Sync lines are placed with the source file as comments in the generated

header file.
 


For OEMs wishing to use the define AIDs in their native code, one can access the generated header

file like so:

  1. In your C code just #include "generated_oem_aid.h" and start using the declared identifiers.

  2. In your Makefile add this static library like so: LOCAL_STATIC_LIBRARIES := liboemaids



Unit Tests:



From within the fs_config directory, unit tests can be executed like so:

$ python -m unittest test_fs_config_generator.Tests

.............

----------------------------------------------------------------------

Ran 13 tests in 0.004s



OK



One could also use nose if they would like:

$ nose2



To add new tests, simply add a test_<xxx> method to the test class. It will automatically

get picked up and added to the test suite.

tools/fs_config/default/android_filesystem_config.h

+7 −0
Original line number Diff line number Diff line
@@ -19,6 +19,13 @@ 
** by the device side of adb.

*/



/*

** Resorting to the default file means someone requested fs_config_dirs or

** fs_config_files in their device configuration without providing an

** associated header.

*/

#warning No device-supplied android_filesystem_config.h, using empty default.



/* Rules for directories.

** These rules are applied based on "first match", so they

** should start with the most specific path and work their

tools/fs_config/fs_config_generator.py

+219 −1242

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