| #!/usr/bin/env python |
| # |
| # Copyright (C) 2013 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. |
| |
| """stack symbolizes native crash dumps.""" |
| |
| import re |
| |
| import symbol |
| |
| def PrintTraceLines(trace_lines): |
| """Print back trace.""" |
| maxlen = max(map(lambda tl: len(tl[1]), trace_lines)) |
| print |
| print "Stack Trace:" |
| print " RELADDR " + "FUNCTION".ljust(maxlen) + " FILE:LINE" |
| for tl in trace_lines: |
| (addr, symbol_with_offset, location) = tl |
| print " %8s %s %s" % (addr, symbol_with_offset.ljust(maxlen), location) |
| return |
| |
| |
| def PrintValueLines(value_lines): |
| """Print stack data values.""" |
| maxlen = max(map(lambda tl: len(tl[2]), value_lines)) |
| print |
| print "Stack Data:" |
| print " ADDR VALUE " + "FUNCTION".ljust(maxlen) + " FILE:LINE" |
| for vl in value_lines: |
| (addr, value, symbol_with_offset, location) = vl |
| print " %8s %8s %s %s" % (addr, value, symbol_with_offset.ljust(maxlen), location) |
| return |
| |
| UNKNOWN = "<unknown>" |
| HEAP = "[heap]" |
| STACK = "[stack]" |
| |
| |
| def PrintOutput(trace_lines, value_lines): |
| if trace_lines: |
| PrintTraceLines(trace_lines) |
| if value_lines: |
| PrintValueLines(value_lines) |
| |
| def PrintDivider(): |
| print |
| print "-----------------------------------------------------\n" |
| |
| def ConvertTrace(lines): |
| """Convert strings containing native crash to a stack.""" |
| process_info_line = re.compile("(pid: [0-9]+, tid: [0-9]+.*)") |
| signal_line = re.compile("(signal [0-9]+ \(.*\).*)") |
| register_line = re.compile("(([ ]*[0-9a-z]{2} [0-9a-f]{8}){4})") |
| thread_line = re.compile("(.*)(\-\-\- ){15}\-\-\-") |
| dalvik_jni_thread_line = re.compile("(\".*\" prio=[0-9]+ tid=[0-9]+ NATIVE.*)") |
| dalvik_native_thread_line = re.compile("(\".*\" sysTid=[0-9]+ nice=[0-9]+.*)") |
| # Note that both trace and value line matching allow for variable amounts of |
| # whitespace (e.g. \t). This is because the we want to allow for the stack |
| # tool to operate on AndroidFeedback provided system logs. AndroidFeedback |
| # strips out double spaces that are found in tombsone files and logcat output. |
| # |
| # Examples of matched trace lines include lines from tombstone files like: |
| # #00 pc 001cf42e /data/data/com.my.project/lib/libmyproject.so |
| # #00 pc 001cf42e /data/data/com.my.project/lib/libmyproject.so (symbol) |
| # Or lines from AndroidFeedback crash report system logs like: |
| # 03-25 00:51:05.520 I/DEBUG ( 65): #00 pc 001cf42e /data/data/com.my.project/lib/libmyproject.so |
| # Please note the spacing differences. |
| trace_line = re.compile("(.*)\#([0-9]+)[ \t]+(..)[ \t]+([0-9a-f]{8})[ \t]+([^\r\n \t]*)( \((.*)\))?") # pylint: disable-msg=C6310 |
| # Examples of matched value lines include: |
| # bea4170c 8018e4e9 /data/data/com.my.project/lib/libmyproject.so |
| # bea4170c 8018e4e9 /data/data/com.my.project/lib/libmyproject.so (symbol) |
| # 03-25 00:51:05.530 I/DEBUG ( 65): bea4170c 8018e4e9 /data/data/com.my.project/lib/libmyproject.so |
| # Again, note the spacing differences. |
| value_line = re.compile("(.*)([0-9a-f]{8})[ \t]+([0-9a-f]{8})[ \t]+([^\r\n \t]*)( \((.*)\))?") |
| # Lines from 'code around' sections of the output will be matched before |
| # value lines because otheriwse the 'code around' sections will be confused as |
| # value lines. |
| # |
| # Examples include: |
| # 801cf40c ffffc4cc 00b2f2c5 00b2f1c7 00c1e1a8 |
| # 03-25 00:51:05.530 I/DEBUG ( 65): 801cf40c ffffc4cc 00b2f2c5 00b2f1c7 00c1e1a8 |
| code_line = re.compile("(.*)[ \t]*[a-f0-9]{8}[ \t]*[a-f0-9]{8}[ \t]*[a-f0-9]{8}[ \t]*[a-f0-9]{8}[ \t]*[a-f0-9]{8}[ \t]*[ \r\n]") # pylint: disable-msg=C6310 |
| |
| trace_lines = [] |
| value_lines = [] |
| last_frame = -1 |
| |
| for ln in lines: |
| # AndroidFeedback adds zero width spaces into its crash reports. These |
| # should be removed or the regular expresssions will fail to match. |
| line = unicode(ln, errors='ignore') |
| process_header = process_info_line.search(line) |
| signal_header = signal_line.search(line) |
| register_header = register_line.search(line) |
| thread_header = thread_line.search(line) |
| dalvik_jni_thread_header = dalvik_jni_thread_line.search(line) |
| dalvik_native_thread_header = dalvik_native_thread_line.search(line) |
| if process_header or signal_header or register_header or thread_header \ |
| or dalvik_jni_thread_header or dalvik_native_thread_header: |
| if trace_lines or value_lines: |
| PrintOutput(trace_lines, value_lines) |
| PrintDivider() |
| trace_lines = [] |
| value_lines = [] |
| last_frame = -1 |
| if process_header: |
| print process_header.group(1) |
| if signal_header: |
| print signal_header.group(1) |
| if register_header: |
| print register_header.group(1) |
| if thread_header: |
| print thread_header.group(1) |
| if dalvik_jni_thread_header: |
| print dalvik_jni_thread_header.group(1) |
| if dalvik_native_thread_header: |
| print dalvik_native_thread_header.group(1) |
| continue |
| if trace_line.match(line): |
| match = trace_line.match(line) |
| (unused_0, frame, unused_1, |
| code_addr, area, symbol_present, symbol_name) = match.groups() |
| |
| if frame <= last_frame and (trace_lines or value_lines): |
| PrintOutput(trace_lines, value_lines) |
| PrintDivider() |
| trace_lines = [] |
| value_lines = [] |
| last_frame = frame |
| |
| if area == UNKNOWN or area == HEAP or area == STACK: |
| trace_lines.append((code_addr, "", area)) |
| else: |
| # If a calls b which further calls c and c is inlined to b, we want to |
| # display "a -> b -> c" in the stack trace instead of just "a -> c" |
| info = symbol.SymbolInformation(area, code_addr) |
| nest_count = len(info) - 1 |
| for (source_symbol, source_location, object_symbol_with_offset) in info: |
| if not source_symbol: |
| if symbol_present: |
| source_symbol = symbol.CallCppFilt(symbol_name) |
| else: |
| source_symbol = UNKNOWN |
| if not source_location: |
| source_location = area |
| if nest_count > 0: |
| nest_count = nest_count - 1 |
| trace_lines.append(("v------>", source_symbol, source_location)) |
| else: |
| if not object_symbol_with_offset: |
| object_symbol_with_offset = source_symbol |
| trace_lines.append((code_addr, |
| object_symbol_with_offset, |
| source_location)) |
| if code_line.match(line): |
| # Code lines should be ignored. If this were exluded the 'code around' |
| # sections would trigger value_line matches. |
| continue; |
| if value_line.match(line): |
| match = value_line.match(line) |
| (unused_, addr, value, area, symbol_present, symbol_name) = match.groups() |
| if area == UNKNOWN or area == HEAP or area == STACK or not area: |
| value_lines.append((addr, value, "", area)) |
| else: |
| info = symbol.SymbolInformation(area, value) |
| (source_symbol, source_location, object_symbol_with_offset) = info.pop() |
| if not source_symbol: |
| if symbol_present: |
| source_symbol = symbol.CallCppFilt(symbol_name) |
| else: |
| source_symbol = UNKNOWN |
| if not source_location: |
| source_location = area |
| if not object_symbol_with_offset: |
| object_symbol_with_offset = source_symbol |
| value_lines.append((addr, |
| value, |
| object_symbol_with_offset, |
| source_location)) |
| |
| PrintOutput(trace_lines, value_lines) |
| |
| |
| # vi: ts=2 sw=2 |
