Greg Hartman | e85dd63 | 2018-11-13 18:34:13 -0800 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | # |
| 3 | # Copyright (C) 2018 The Android Open Source Project |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0(the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | # |
| 17 | """Use addr2line to interpret tombstone contents |
| 18 | |
| 19 | The defaults should work if this is run after running lunch. |
| 20 | """ |
| 21 | |
| 22 | from __future__ import print_function |
| 23 | import argparse |
| 24 | import collections |
| 25 | import functools |
| 26 | import multiprocessing |
| 27 | import os |
| 28 | import re |
| 29 | import subprocess |
| 30 | import sys |
| 31 | |
| 32 | |
| 33 | # Patterns of things that we might want to match. |
| 34 | |
| 35 | patterns = [ |
| 36 | (re.compile('(.* pc )([0-9a-f]+) +([^ ]+) .*'), 1, 3, 2), |
| 37 | (re.compile('(.*)#[0-9]+ 0x[0-9a-f]+ +\((.*)\+0x([0-9a-f]+)\)'), 1, 2, 3)] |
| 38 | |
| 39 | |
| 40 | LookupInfo = collections.namedtuple('LookupInfo', |
| 41 | ['line_number', 'details', 'file_name']) |
| 42 | |
| 43 | |
| 44 | def lookup_addr(args, object_path, address): |
| 45 | try: |
| 46 | if object_path[0] == os.path.sep: |
| 47 | object_path = object_path[1:] |
| 48 | parms = [args.addr2line, '-e', |
| 49 | os.path.join(args.symbols, object_path), address] |
| 50 | details = subprocess.check_output(parms).strip().split(':') |
| 51 | return LookupInfo( |
| 52 | line_number=details[-1], |
| 53 | details=details, |
| 54 | file_name=':'.join(details[:-1])) |
| 55 | except subprocess.CalledProcessError: |
| 56 | return None |
| 57 | |
| 58 | |
| 59 | def simple_match(line, info, indent, out_file): |
| 60 | print('{} // From {}:{}'.format( |
| 61 | line, info.file_name, info.line_number), file=out_file) |
| 62 | |
| 63 | |
| 64 | def source_match(line, info, indent, out_file): |
| 65 | source = '' |
| 66 | try: |
| 67 | with open(info.file_name, 'r') as f: |
| 68 | for i in range(int(info.line_number.split(' ')[0])): |
| 69 | source = f.readline() |
| 70 | # Fall back to the simple formatter on any error |
| 71 | except Exception: |
| 72 | simple_match(line, info, indent, out_file) |
| 73 | return |
| 74 | print(line, file=out_file) |
| 75 | print('{}// From {}:{}'.format( |
| 76 | ' ' * indent, info.file_name, info.line_number), file=out_file) |
| 77 | print('{} {}'.format(' ' * indent, ' '.join(source.strip().split())), |
| 78 | file=out_file) |
| 79 | |
| 80 | |
| 81 | def process(in_file, out_file, args): |
| 82 | for line in in_file: |
| 83 | line = line.rstrip() |
| 84 | groups = None |
| 85 | for p in patterns: |
| 86 | groups = p[0].match(line) |
| 87 | if groups: |
| 88 | break |
| 89 | info = None |
| 90 | if groups is not None: |
| 91 | info = lookup_addr(args, groups.group(p[2]), groups.group(p[3])) |
| 92 | if info is None: |
| 93 | print(line, file=out_file) |
| 94 | continue |
| 95 | if args.source: |
| 96 | source_match(line, info, len(groups.group(p[1])), out_file) |
| 97 | else: |
| 98 | simple_match(line, info, len(groups.group(p[1])), out_file) |
| 99 | |
| 100 | |
| 101 | def process_file(path, args): |
| 102 | with open(path + args.suffix, 'w') as out_file: |
| 103 | with open(path, 'r') as in_file: |
| 104 | process(in_file, out_file, args) |
| 105 | |
| 106 | |
| 107 | def common_arg_parser(): |
| 108 | parser = argparse.ArgumentParser(description= |
| 109 | 'Add line information to a tombstone') |
| 110 | parser.add_argument('--addr2line', type=str, |
| 111 | help='Path to addr2line', |
| 112 | default=os.path.join( |
| 113 | os.environ.get('ANDROID_TOOLCHAIN', ''), |
| 114 | 'x86_64-linux-android-addr2line')) |
| 115 | parser.add_argument('files', metavar='FILE', type=str, nargs='+', |
| 116 | help='a list of files to process') |
| 117 | parser.add_argument('--jobs', type=int, default=32, |
| 118 | help='Number of parallel jobs to run') |
| 119 | parser.add_argument('--source', default=False, action='store_true', |
| 120 | help='Attempt to print the source') |
| 121 | parser.add_argument('--suffix', type=str, default='.txt', |
| 122 | help='Suffix to add to the processed file') |
| 123 | return parser |
| 124 | |
| 125 | |
| 126 | |
| 127 | def process_all(args): |
| 128 | multiprocessing.Pool(32).map(functools.partial(process_file, args=args), |
| 129 | args.files) |
| 130 | |
| 131 | |
| 132 | if __name__ == '__main__': |
| 133 | parser = common_arg_parser() |
| 134 | parser.add_argument('--symbols', type=str, |
| 135 | help='Path to the symbols', |
| 136 | default=os.path.join( |
| 137 | os.environ.get('ANDROID_PRODUCT_OUT', ''), 'symbols')) |
| 138 | process_all(parser.parse_args()) |