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#!/usr/bin/env python3
import tempfile
import os
import subprocess
SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))
AOSP_DIR = os.path.abspath(os.path.join(SCRIPT_DIR, *['..'] * 5))
BUILTIN_HEADERS_DIR = (
os.path.join(AOSP_DIR, 'bionic', 'libc', 'include'),
os.path.join(AOSP_DIR, 'external', 'libcxx', 'include'),
os.path.join(AOSP_DIR, 'prebuilts', 'sdk', 'renderscript', 'clang-include'),
)
EXPORTED_HEADERS_DIR = (
os.path.join(AOSP_DIR, 'development', 'vndk', 'tools', 'header-checker',
'tests'),
)
SOURCE_ABI_DUMP_EXT = ".so.lsdump"
TARGET_ARCHS = ['arm', 'arm64', 'x86', 'x86_64', 'mips', 'mips64']
def get_reference_dump_dir(reference_dump_dir_stem,
reference_dump_dir_insertion, lib_arch):
reference_dump_dir = os.path.join(reference_dump_dir_stem, lib_arch)
reference_dump_dir = os.path.join(reference_dump_dir,
reference_dump_dir_insertion)
return reference_dump_dir
def copy_reference_dump(lib_path, reference_dump_dir_stem,
reference_dump_dir_insertion, lib_arch):
if lib_path is None:
return 0
reference_dump_dir = get_reference_dump_dir(reference_dump_dir_stem,
reference_dump_dir_insertion,
lib_arch)
reference_dump_path = os.path.join(reference_dump_dir,
os.path.basename(lib_path))
os.makedirs(os.path.dirname(reference_dump_path), exist_ok=True)
output_content = read_output_content(lib_path, AOSP_DIR)
with open(reference_dump_path, 'w') as f:
f.write(output_content)
print('Created abi dump at ', reference_dump_path)
return 1
def copy_reference_dump_content(lib_name, output_content,
reference_dump_dir_stem,
reference_dump_dir_insertion, lib_arch):
reference_dump_dir = get_reference_dump_dir(reference_dump_dir_stem,
reference_dump_dir_insertion,
lib_arch)
reference_dump_path = os.path.join(reference_dump_dir,
lib_name + SOURCE_ABI_DUMP_EXT)
os.makedirs(os.path.dirname(reference_dump_path), exist_ok=True)
with open(reference_dump_path, 'w') as f:
f.write(output_content)
print('Created abi dump at ', reference_dump_path)
return 1
def read_output_content(output_path, replace_str):
with open(output_path, 'r') as f:
return f.read().replace(replace_str, '')
def run_header_abi_dumper(input_path, remove_absolute_paths, cflags=[],
export_include_dirs = EXPORTED_HEADERS_DIR):
with tempfile.TemporaryDirectory() as tmp:
output_path = os.path.join(tmp, os.path.basename(input_path)) + '.dump'
run_header_abi_dumper_on_file(input_path, output_path,
export_include_dirs, cflags)
with open(output_path, 'r') as f:
if remove_absolute_paths:
return read_output_content(output_path, AOSP_DIR)
else:
return f.read()
def run_header_abi_dumper_on_file(input_path, output_path,
export_include_dirs = [], cflags =[]):
cmd = ['header-abi-dumper', '-o', output_path, input_path,]
for dir in export_include_dirs:
cmd += ['-I', dir]
cmd += ['--']
cmd += cflags
for dir in BUILTIN_HEADERS_DIR:
cmd += ['-isystem', dir]
# export includes imply local includes
for dir in export_include_dirs:
cmd += ['-I', dir]
subprocess.check_call(cmd)
def run_header_abi_linker(output_path, inputs, version_script, api, arch):
"""Link inputs, taking version_script into account"""
with tempfile.TemporaryDirectory() as tmp:
cmd = ['header-abi-linker', '-o', output_path, '-v', version_script,
'-api', api, '-arch', arch]
cmd += inputs
subprocess.check_call(cmd)
with open(output_path, 'r') as f:
return read_output_content(output_path, AOSP_DIR)
def make_library(lib_name):
# Create reference dumps for integration tests
make_cmd = ['make', '-j', lib_name]
subprocess.check_call(make_cmd, cwd=AOSP_DIR)
def find_lib_lsdump(lib_name, target_arch, target_arch_variant,
target_cpu_variant):
""" Find the lsdump corresponding to lib_name for the given arch parameters
if it exists"""
assert 'ANDROID_PRODUCT_OUT' in os.environ
cpu_variant = '_' + target_cpu_variant
arch_variant = '_' + target_arch_variant
if target_cpu_variant == 'generic' or target_cpu_variant is None or\
target_cpu_variant == '':
cpu_variant = ''
if target_arch_variant == target_arch or target_arch_variant is None or\
target_arch_variant == '':
arch_variant = ''
target_dir = 'android_' + target_arch + arch_variant +\
cpu_variant + '_shared_core'
soong_dir = os.path.join(AOSP_DIR, 'out', 'soong', '.intermediates')
expected_lsdump_name = lib_name + SOURCE_ABI_DUMP_EXT
for base, dirnames, filenames in os.walk(soong_dir):
for filename in filenames:
if filename == expected_lsdump_name:
path = os.path.join(base, filename)
if target_dir in os.path.dirname(path):
return path
return None
def run_abi_diff(old_test_dump_path, new_test_dump_path, arch, lib_name,
flags=[]):
abi_diff_cmd = ['header-abi-diff', '-new', new_test_dump_path, '-old',
old_test_dump_path, '-arch', arch, '-lib', lib_name]
with tempfile.TemporaryDirectory() as tmp:
output_name = os.path.join(tmp, lib_name) + '.abidiff'
abi_diff_cmd += ['-o', output_name]
abi_diff_cmd += flags
try:
subprocess.check_call(abi_diff_cmd)
except subprocess.CalledProcessError as err:
return err.returncode
return 0
def get_build_var(name):
"""Get build system variable for the launched target."""
if 'ANDROID_PRODUCT_OUT' not in os.environ:
return None
cmd = ['build/soong/soong_ui.bash', '--dumpvar-mode', name]
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, cwd=AOSP_DIR)
out, err = proc.communicate()
return out.decode('utf-8').strip()
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