| Dan Albert | 169eb66 | 2015-01-21 16:42:02 -0800 | [diff] [blame] | 1 | # |
| 2 | # Copyright (C) 2015 The Android Open Source Project |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the 'License'); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an 'AS IS' BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | # |
| 16 | import glob |
| 17 | import os |
| 18 | import re |
| 19 | import subprocess |
| 20 | |
| 21 | |
| 22 | defGetFromTxt(txt_file): |
| 23 | symbols= set() |
| 24 | f= open(txt_file,'r') |
| 25 | for linein f.read().splitlines(): |
| 26 | symbols.add(line) |
| 27 | f.close() |
| 28 | return symbols |
| 29 | |
| 30 | |
| Dan Albert | 9c3fd59 | 2015-01-21 17:50:29 -0800 | [diff] [blame] | 31 | defGetFromElf(elf_file, sym_type='--dyn-syms'): |
| Dan Albert | 169eb66 | 2015-01-21 16:42:02 -0800 | [diff] [blame] | 32 | # pylint: disable=line-too-long |
| 33 | # Example readelf output: |
| 34 | # 264: 0001623c 4 FUNC GLOBAL DEFAULT 8 cabsf |
| 35 | # 266: 00016244 4 FUNC GLOBAL DEFAULT 8 dremf |
| 36 | # 267: 00019018 4 OBJECT GLOBAL DEFAULT 11 __fe_dfl_env |
| 37 | # 268: 00000000 0 FUNC GLOBAL DEFAULT UND __aeabi_dcmplt |
| 38 | |
| 39 | r= re.compile( |
| 40 | r' +\d+: [0-9a-f]+ +\d+ (I?FUNC|OBJECT) +\S+ +\S+ +\d+ (\S+)') |
| 41 | |
| 42 | symbols= set() |
| 43 | |
| Elliott Hughes | 6b586e7 | 2021-04-15 13:39:08 -0700 | [diff] [blame] | 44 | output= subprocess.check_output(['readelf', sym_type,'-W', elf_file], |
| 45 | text=True) |
| Dan Albert | 169eb66 | 2015-01-21 16:42:02 -0800 | [diff] [blame] | 46 | for linein output.split('\n'): |
| 47 | if' HIDDEN 'in lineor' UND 'in line: |
| 48 | continue |
| 49 | m= r.match(line) |
| 50 | if m: |
| 51 | symbol= m.group(2) |
| 52 | symbol= re.sub('@.*','', symbol) |
| 53 | symbols.add(symbol) |
| 54 | |
| 55 | return symbols |
| 56 | |
| 57 | |
| Dan Albert | 9c3fd59 | 2015-01-21 17:50:29 -0800 | [diff] [blame] | 58 | defGetFromAndroidStaticLib(files): |
| 59 | out_dir= os.environ['ANDROID_PRODUCT_OUT'] |
| 60 | lib_dir= os.path.join(out_dir,'obj') |
| 61 | |
| 62 | results= set() |
| 63 | for fin files: |
| 64 | static_lib_dir= os.path.join( |
| 65 | lib_dir, |
| 66 | 'STATIC_LIBRARIES', |
| 67 | '{}_intermediates'.format(os.path.splitext(f)[0])) |
| 68 | results|=GetFromElf( |
| 69 | os.path.join(static_lib_dir, f), |
| 70 | sym_type='--syms') |
| 71 | return results |
| 72 | |
| 73 | |
| Dan Albert | 169eb66 | 2015-01-21 16:42:02 -0800 | [diff] [blame] | 74 | defGetFromAndroidSo(files): |
| 75 | out_dir= os.environ['ANDROID_PRODUCT_OUT'] |
| 76 | lib_dir= os.path.join(out_dir,'system/lib64') |
| 77 | ifnot os.path.isdir(lib_dir): |
| 78 | lib_dir= os.path.join(out_dir,'system/lib') |
| 79 | |
| Elliott Hughes | 6b586e7 | 2021-04-15 13:39:08 -0700 | [diff] [blame] | 80 | lib_dir= os.path.join(out_dir,'apex/com.android.runtime/lib64/bionic/') |
| 81 | ifnot os.path.isdir(lib_dir): |
| 82 | lib_dir= os.path.join(out_dir,'apex/com.android.runtime/lib/bionic/') |
| 83 | |
| Dan Albert | 169eb66 | 2015-01-21 16:42:02 -0800 | [diff] [blame] | 84 | results= set() |
| 85 | for fin files: |
| Dan Albert | 9c3fd59 | 2015-01-21 17:50:29 -0800 | [diff] [blame] | 86 | results|=GetFromElf(os.path.join(lib_dir, f)) |
| Dan Albert | 169eb66 | 2015-01-21 16:42:02 -0800 | [diff] [blame] | 87 | return results |
| 88 | |
| 89 | |
| 90 | defGetFromSystemSo(files): |
| 91 | lib_dir='/lib/x86_64-linux-gnu' |
| 92 | results= set() |
| 93 | for fin files: |
| Dan Albert | 9c3fd59 | 2015-01-21 17:50:29 -0800 | [diff] [blame] | 94 | results|=GetFromElf(glob.glob(os.path.join(lib_dir, f))[-1]) |
| Dan Albert | 169eb66 | 2015-01-21 16:42:02 -0800 | [diff] [blame] | 95 | return results |
