blob: 4ea12478beac084c4c8ce96ddd71b3118b387e48 [file] [log] [blame]
#!/usr/bin/env python3
#
# Copyright (C) 2021 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 os
from pathlib import Path
from binary_cache_builder import BinaryCacheBuilder
from simpleperf_utils import (Addr2Nearestline, BinaryFinder, Objdump, ReadElf,
SourceFileSearcher, is_windows, remove)
from . test_utils import TestBase, TestHelper
class TestTools(TestBase):
def test_addr2nearestline(self):
self.run_addr2nearestline_test(True)
self.run_addr2nearestline_test(False)
def run_addr2nearestline_test(self, with_function_name):
test_map = {
'/simpleperf_runtest_two_functions_arm64': [
{
'func_addr': 0x112c,
'addr': 0x112c,
'source': 'system/extras/simpleperf/runtest/two_functions.cpp:20',
'function': 'main',
},
{
'func_addr': 0x104c,
'addr': 0x105c,
'source': "system/extras/simpleperf/runtest/two_functions.cpp:7",
'function': "Function1()",
},
],
'/simpleperf_runtest_two_functions_arm': [
{
'func_addr': 0x784,
'addr': 0x7b0,
'source': """system/extras/simpleperf/runtest/two_functions.cpp:14
system/extras/simpleperf/runtest/two_functions.cpp:23""",
'function': """Function2()
main""",
},
{
'func_addr': 0x784,
'addr': 0x7d0,
'source': """system/extras/simpleperf/runtest/two_functions.cpp:15
system/extras/simpleperf/runtest/two_functions.cpp:23""",
'function': """Function2()
main""",
}
],
'/simpleperf_runtest_two_functions_x86_64': [
{
'func_addr': 0x840,
'addr': 0x840,
'source': 'system/extras/simpleperf/runtest/two_functions.cpp:7',
'function': 'Function1()',
},
{
'func_addr': 0x920,
'addr': 0x94a,
'source': """system/extras/simpleperf/runtest/two_functions.cpp:7
system/extras/simpleperf/runtest/two_functions.cpp:22""",
'function': """Function1()
main""",
}
],
'/simpleperf_runtest_two_functions_x86': [
{
'func_addr': 0x6d0,
'addr': 0x6da,
'source': 'system/extras/simpleperf/runtest/two_functions.cpp:14',
'function': 'Function2()',
},
{
'func_addr': 0x710,
'addr': 0x749,
'source': """system/extras/simpleperf/runtest/two_functions.cpp:8
system/extras/simpleperf/runtest/two_functions.cpp:22""",
'function': """Function1()
main""",
}
],
}
binary_finder = BinaryFinder(TestHelper.testdata_dir, ReadElf(TestHelper.ndk_path))
addr2line = Addr2Nearestline(TestHelper.ndk_path, binary_finder, with_function_name)
for dso_path in test_map:
test_addrs = test_map[dso_path]
for test_addr in test_addrs:
addr2line.add_addr(dso_path, None, test_addr['func_addr'], test_addr['addr'])
addr2line.convert_addrs_to_lines(4)
for dso_path in test_map:
dso = addr2line.get_dso(dso_path)
self.assertIsNotNone(dso, dso_path)
test_addrs = test_map[dso_path]
for test_addr in test_addrs:
expected_files = []
expected_lines = []
expected_functions = []
for line in test_addr['source'].split('\n'):
items = line.split(':')
expected_files.append(items[0].strip())
expected_lines.append(int(items[1]))
for line in test_addr['function'].split('\n'):
expected_functions.append(line.strip())
self.assertEqual(len(expected_files), len(expected_functions))
if with_function_name:
expected_source = list(zip(expected_files, expected_lines, expected_functions))
else:
expected_source = list(zip(expected_files, expected_lines))
actual_source = addr2line.get_addr_source(dso, test_addr['addr'])
if is_windows():
self.assertIsNotNone(actual_source, 'for %s:0x%x' %
(dso_path, test_addr['addr']))
for i, source in enumerate(actual_source):
new_source = list(source)
new_source[0] = new_source[0].replace('\\', '/')
actual_source[i] = tuple(new_source)
self.assertEqual(actual_source, expected_source,
'for %s:0x%x, expected source %s, actual source %s' %
(dso_path, test_addr['addr'], expected_source, actual_source))
def test_objdump(self):
test_map = {
'/simpleperf_runtest_two_functions_arm64': {
'start_addr': 0x112c,
'len': 28,
'expected_items': [
('main', 0),
('two_functions.cpp:20', 0),
('1134: add x29, sp, #16', 0x1134),
],
},
'/simpleperf_runtest_two_functions_arm': {
'start_addr': 0x784,
'len': 80,
'expected_items': [
('main', 0),
('two_functions.cpp:20', 0),
('7ae: bne.n 7a6 <main+0x22>', 0x7ae),
],
},
'/simpleperf_runtest_two_functions_x86_64': {
'start_addr': 0x920,
'len': 201,
'expected_items': [
('main', 0),
('two_functions.cpp:20', 0),
('96e: movl %edx, (%rbx,%rax,4)', 0x96e),
],
},
'/simpleperf_runtest_two_functions_x86': {
'start_addr': 0x710,
'len': 98,
'expected_items': [
('main', 0),
('two_functions.cpp:20', 0),
('748: cmpl $100000000, %ebp', 0x748),
],
},
}
binary_finder = BinaryFinder(TestHelper.testdata_dir, ReadElf(TestHelper.ndk_path))
objdump = Objdump(TestHelper.ndk_path, binary_finder)
for dso_path in test_map:
dso = test_map[dso_path]
dso_info = objdump.get_dso_info(dso_path, None)
self.assertIsNotNone(dso_info, dso_path)
disassemble_code = objdump.disassemble_code(dso_info, dso['start_addr'], dso['len'])
self.assertTrue(disassemble_code, dso_path)
i = 0
for expected_line, expected_addr in dso['expected_items']:
found = False
while i < len(disassemble_code):
line, addr = disassemble_code[i]
if addr == expected_addr and expected_line in line:
found = True
i += 1
break
i += 1
if not found:
s = '\n'.join('%s:0x%x' % item for item in disassemble_code)
self.fail('for %s, %s:0x%x not found in disassemble code:\n%s' %
(dso_path, expected_line, expected_addr, s))
def test_readelf(self):
test_map = {
'simpleperf_runtest_two_functions_arm64': {
'arch': 'arm64',
'build_id': '0xb4f1b49b0fe9e34e78fb14e5374c930c00000000',
'sections': ['.note.gnu.build-id', '.dynsym', '.text', '.rodata', '.eh_frame',
'.eh_frame_hdr', '.debug_info', '.debug_line', '.symtab'],
},
'simpleperf_runtest_two_functions_arm': {
'arch': 'arm',
'build_id': '0x718f5b36c4148ee1bd3f51af89ed2be600000000',
},
'simpleperf_runtest_two_functions_x86_64': {
'arch': 'x86_64',
},
'simpleperf_runtest_two_functions_x86': {
'arch': 'x86',
}
}
readelf = ReadElf(TestHelper.ndk_path)
for dso_path in test_map:
dso_info = test_map[dso_path]
path = os.path.join(TestHelper.testdata_dir, dso_path)
self.assertEqual(dso_info['arch'], readelf.get_arch(path))
if 'build_id' in dso_info:
self.assertEqual(dso_info['build_id'], readelf.get_build_id(path), dso_path)
if 'sections' in dso_info:
sections = readelf.get_sections(path)
for section in dso_info['sections']:
self.assertIn(section, sections)
self.assertEqual(readelf.get_arch('not_exist_file'), 'unknown')
self.assertEqual(readelf.get_build_id('not_exist_file'), '')
self.assertEqual(readelf.get_sections('not_exist_file'), [])
def test_source_file_searcher(self):
searcher = SourceFileSearcher(
[TestHelper.testdata_path('SimpleperfExampleWithNative'),
TestHelper.testdata_path('SimpleperfExampleOfKotlin')])
def format_path(path):
return os.path.join(TestHelper.testdata_dir, path.replace('/', os.sep))
# Find a C++ file with pure file name.
self.assertEqual(
format_path('SimpleperfExampleWithNative/app/src/main/cpp/native-lib.cpp'),
searcher.get_real_path('native-lib.cpp'))
# Find a C++ file with an absolute file path.
self.assertEqual(
format_path('SimpleperfExampleWithNative/app/src/main/cpp/native-lib.cpp'),
searcher.get_real_path('/data/native-lib.cpp'))
# Find a Java file.
self.assertEqual(
format_path('SimpleperfExampleWithNative/app/src/main/java/com/example/' +
'simpleperf/simpleperfexamplewithnative/MainActivity.java'),
searcher.get_real_path('simpleperfexamplewithnative/MainActivity.java'))
# Find a Kotlin file.
self.assertEqual(
format_path('SimpleperfExampleOfKotlin/app/src/main/java/com/example/' +
'simpleperf/simpleperfexampleofkotlin/MainActivity.kt'),
searcher.get_real_path('MainActivity.kt'))
def test_is_elf_file(self):
self.assertTrue(ReadElf.is_elf_file(TestHelper.testdata_path(
'simpleperf_runtest_two_functions_arm')))
with open('not_elf', 'wb') as fh:
fh.write(b'\x90123')
try:
self.assertFalse(ReadElf.is_elf_file('not_elf'))
finally:
remove('not_elf')
def test_binary_finder(self):
# Create binary_cache.
binary_cache_builder = BinaryCacheBuilder(TestHelper.ndk_path, False)
elf_name = 'simpleperf_runtest_two_functions_arm'
elf_path = TestHelper.testdata_path(elf_name)
readelf = ReadElf(TestHelper.ndk_path)
build_id = readelf.get_build_id(elf_path)
self.assertGreater(len(build_id), 0)
binary_cache_builder.binaries[elf_name] = build_id
binary_cache_builder.copy_binaries_from_symfs_dirs([TestHelper.testdata_dir])
binary_cache_builder.create_build_id_list()
# Test BinaryFinder.
path_in_binary_cache = Path(binary_cache_builder.binary_cache_dir, elf_name)
binary_finder = BinaryFinder(binary_cache_builder.binary_cache_dir, readelf)
# Find binary using build id.
path = binary_finder.find_binary('[not_exist_file]', build_id)
self.assertEqual(path, path_in_binary_cache)
# Find binary using path.
path = binary_finder.find_binary('/' + elf_name, None)
self.assertEqual(path, path_in_binary_cache)
# Find binary using absolute path.
path = binary_finder.find_binary(str(path_in_binary_cache), None)
self.assertEqual(path, path_in_binary_cache)
# The binary should has a matched build id.
path = binary_finder.find_binary('/' + elf_name, 'wrong_build_id')
self.assertIsNone(path)