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#
# Copyright (C) 2017 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import collections
import logging
import os
# The tags in VNDK list:
# Low-level NDK libraries that can be used by framework and vendor modules.
LL_NDK = "LLNDK"
# LL-NDK dependencies that vendor modules cannot directly access.
LL_NDK_PRIVATE = "LLNDK-private"
# Same-process HAL implementation in vendor partition.
SP_HAL = "SP-HAL"
# Framework libraries that can be used by vendor modules except same-process HAL
# and its dependencies in vendor partition.
VNDK = "VNDK-core"
# VNDK dependencies that vendor modules cannot directly access.
VNDK_PRIVATE = "VNDK-core-private"
# Same-process HAL dependencies in framework.
VNDK_SP = "VNDK-SP"
# VNDK-SP dependencies that vendor modules cannot directly access.
VNDK_SP_PRIVATE = "VNDK-SP-private"
# The ABI dump directories. 64-bit comes before 32-bit in order to sequentially
# search for longest prefix.
_ABI_NAMES = ("arm64", "arm", "mips64", "mips", "x86_64", "x86")
# The data directory.
_GOLDEN_DIR = os.path.join("vts", "testcases", "vndk", "golden")
# Regular expression prefix for library name patterns.
_REGEX_PREFIX = "[regex]"
def LoadDefaultVndkVersion(data_file_path):
"""Loads the name of the data directory for devices with no VNDK version.
Args:
data_file_path: The path to VTS data directory.
Returns:
A string, the directory name.
None if fails to load the name.
"""
try:
with open(os.path.join(data_file_path, _GOLDEN_DIR,
"platform_vndk_version.txt"), "r") as f:
return f.read().strip()
except IOError:
logging.error("Cannot load default VNDK version.")
return None
def GetAbiDumpDirectory(data_file_path, version, binder_bitness, abi_name,
abi_bitness):
"""Returns the VNDK dump directory on host.
Args:
data_file_path: The path to VTS data directory.
version: A string, the VNDK version.
binder_bitness: A string or an integer, 32 or 64.
abi_name: A string, the ABI of the library dump.
abi_bitness: A string or an integer, 32 or 64.
Returns:
A string, the path to the dump directory.
None if there is no directory for the version and ABI.
"""
try:
abi_dir = next(x for x in _ABI_NAMES if abi_name.startswith(x))
except StopIteration:
logging.warning("Unknown ABI %s.", abi_name)
return None
version_dir = (version if version else
LoadDefaultVndkVersion(data_file_path))
if not version_dir:
return None
dump_dir = os.path.join(
data_file_path, _GOLDEN_DIR, version_dir,
"binder64" if str(binder_bitness) == "64" else "binder32",
abi_dir, "lib64" if str(abi_bitness) == "64" else "lib")
if not os.path.isdir(dump_dir):
logging.warning("%s is not a directory.", dump_dir)
return None
return dump_dir
def _LoadVndkLibraryListsFile(vndk_lists, tags, vndk_lib_list_path):
"""Load VNDK libraries from the file to the specified tuple.
Args:
vndk_lists: The output tuple of lists containing library names.
tags: Strings, the tags of the libraries to find.
vndk_lib_list_path: The path to load the VNDK library list.
"""
lib_sets = collections.defaultdict(set)
# Load VNDK tags from the list.
with open(vndk_lib_list_path) as vndk_lib_list_file:
for line in vndk_lib_list_file:
# Ignore comments.
if line.startswith('#'):
continue
# Split columns.
cells = line.split(': ', 1)
if len(cells) < 2:
continue
tag = cells[0]
lib_name = cells[1].strip()
lib_sets[tag].add(lib_name)
# Compute VNDK-core-private and VNDK-SP-private.
private = lib_sets.get('VNDK-private', set())
lib_sets[LL_NDK_PRIVATE].update(lib_sets[LL_NDK] & private)
lib_sets[VNDK_PRIVATE].update(lib_sets[VNDK] & private)
lib_sets[VNDK_SP_PRIVATE].update(lib_sets[VNDK_SP] & private)
lib_sets[LL_NDK].difference_update(private)
lib_sets[VNDK].difference_update(private)
lib_sets[VNDK_SP].difference_update(private)
# Update the output entries.
for index, tag in enumerate(tags):
for lib_name in lib_sets.get(tag, tuple()):
if lib_name.startswith(_REGEX_PREFIX):
lib_name = lib_name[len(_REGEX_PREFIX):]
vndk_lists[index].append(lib_name)
def LoadVndkLibraryLists(data_file_path, version, *tags):
"""Find the VNDK libraries with specific tags.
Args:
data_file_path: The path to VTS data directory.
version: A string, the VNDK version.
*tags: Strings, the tags of the libraries to find.
Returns:
A tuple of lists containing library names. Each list corresponds to
one tag in the argument. For SP-HAL, the returned names are regular
expressions.
None if the spreadsheet for the version is not found.
"""
version_dir = (version if version else
LoadDefaultVndkVersion(data_file_path))
if not version_dir:
return None
vndk_lib_list_path = os.path.join(
data_file_path, _GOLDEN_DIR, version_dir, "vndk-lib-list.txt")
if not os.path.isfile(vndk_lib_list_path):
logging.warning("Cannot load %s.", vndk_lib_list_path)
return None
vndk_lib_extra_list_path = os.path.join(
data_file_path, _GOLDEN_DIR, version_dir, "vndk-lib-extra-list.txt")
if not os.path.isfile(vndk_lib_extra_list_path):
logging.warning("Cannot load %s.", vndk_lib_extra_list_path)
return None
vndk_lists = tuple([] for x in tags)
_LoadVndkLibraryListsFile(vndk_lists, tags, vndk_lib_list_path)
_LoadVndkLibraryListsFile(vndk_lists, tags, vndk_lib_extra_list_path)
return vndk_lists
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