def ConvertTrace(lines, more_info):
"""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]+.*)")
width = "{8}"
if symbol.ARCH == "arm64" or symbol.ARCH == "x86_64":
width = "{16}"
# Matches LOG(FATAL) lines, like the following example:
# [FATAL:source_file.cc(33)] Check failed: !instances_.empty()
log_fatal_line = re.compile("(\[FATAL\:.*\].*)$")
# 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(
"(.*)\#(?P<frame>[0-9]+)[ \t]+(..)[ \t]+(0x)?(?P<address>[0-9a-f]{0,16})[ \t]+(?P<lib>[^\r\n \t]*)(?P<symbol_present> \((?P<symbol_name>.*)\))?"
) # pylint: disable-msg=C6310
# Matches lines emitted by src/base/debug/stack_trace_android.cc, like:
# #00 0x7324d92d /data/app-lib/org.chromium.native_test-1/libbase.cr.so+0x0006992d
# This pattern includes the unused named capture groups <symbol_present> and
# <symbol_name> so that it can interoperate with the |trace_line| regex.
debug_trace_line = re.compile('(.*)(?P<frame>\#[0-9]+ 0x[0-9a-f]' + width +
') '
'(?P<lib>[^+]+)\+0x(?P<address>[0-9a-f]' +
width + ')'
'(?P<symbol_present>)(?P<symbol_name>)')
# 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]" + width + ")[ \t]+([0-9a-f]" +
width + ")[ \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]" + width + "[ \t]*[a-f0-9]" +
width + "[ \t]*[a-f0-9]" + width +
"[ \t]*[a-f0-9]" + width + "[ \t]*[a-f0-9]" +
width +
"[ \t]*[ \r\n]") # pylint: disable-msg=C6310
trace_lines = []
value_lines = []
last_frame = -1
# It is faster to get symbol information with a single call rather than with
# separate calls for each line. Since symbol.SymbolInformation caches results,
# we can extract all the addresses that we will want symbol information for
# from the log and call symbol.SymbolInformation so that the results are
# cached in the following lookups.
code_addresses = {}
for ln in lines:
line = unicode(ln, errors='ignore')
lib, address = None, None
match = trace_line.match(line) or debug_trace_line.match(line)
if match:
address, lib = match.group('address', 'lib')
match = value_line.match(line)
if match and not code_line.match(line):
(_0, _1, address, lib, _2, _3) = match.groups()
if lib:
code_addresses.setdefault(lib, set()).add(address)
for lib in code_addresses:
symbol.SymbolInformationForSet(symbol.TranslateLibPath(lib),
code_addresses[lib], more_info)
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)
log_fatal_header = log_fatal_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
or log_fatal_header):
if trace_lines or value_lines:
PrintOutput(trace_lines, value_lines, more_info)
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)
if log_fatal_header:
print log_fatal_header.group(1)
continue
match = trace_line.match(line) or debug_trace_line.match(line)
if match:
frame, code_addr, area, symbol_present, symbol_name = match.group(
'frame', 'address', 'lib', 'symbol_present', 'symbol_name')
if frame <= last_frame and (trace_lines or value_lines):
PrintOutput(trace_lines, value_lines, more_info)
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, more_info)
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
match = value_line.match(line)
if match:
(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, more_info)
(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, more_info)
def ResolveCrashSymbol(lines, more_info, llvm_symbolizer):
"""Convert unicode strings which contains native crash to a stack
"""
trace_lines = []
value_lines = []
last_frame = -1
pid = -1
# Collects all java exception lines, keyed by pid for later output during
# native crash handling.
java_stderr_by_pid = {}
for line in lines:
java_stderr_match = _JAVA_STDERR_LINE.search(line)
if java_stderr_match:
pid, msg = java_stderr_match.groups()
java_stderr_by_pid.setdefault(pid, []).append(msg)
for line in lines:
# AndroidFeedback adds zero width spaces into its crash reports. These
# should be removed or the regular expresssions will fail to match.
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)
log_fatal_header = _LOG_FATAL_LINE.search(line)
misc_header = _MISC_HEADER.search(line)
if (process_header or signal_header or register_header or thread_header or
dalvik_jni_thread_header or dalvik_native_thread_header or
log_fatal_header or misc_header):
if trace_lines or value_lines:
java_lines = []
if pid != -1 and pid in java_stderr_by_pid:
java_lines = java_stderr_by_pid[pid]
PrintOutput(trace_lines, value_lines, java_lines, more_info)
PrintDivider()
trace_lines = []
value_lines = []
last_frame = -1
pid = -1
if process_header:
# Track the last reported pid to find java exceptions.
pid = _PROCESS_INFO_PID.search(process_header.group(1)).group(1)
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)
if log_fatal_header:
print log_fatal_header.group(1)
if misc_header:
print misc_header.group(0)
continue
match = _TRACE_LINE.match(line) or _DEBUG_TRACE_LINE.match(line)
if match:
frame, code_addr, area, _, symbol_name = match.group(
'frame', 'address', 'lib', 'symbol_present', 'symbol_name')
logging.debug('Found trace line: %s' % line.strip())
if frame <= last_frame and (trace_lines or value_lines):
java_lines = []
if pid != -1 and pid in java_stderr_by_pid:
java_lines = java_stderr_by_pid[pid]
PrintOutput(trace_lines, value_lines, java_lines, more_info)
PrintDivider()
trace_lines = []
value_lines = []
pid = -1
last_frame = frame
if area == UNKNOWN or area == HEAP or area == STACK:
trace_lines.append((code_addr, '', area))
else:
logging.debug('Identified lib: %s' % area)
# 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"
# To use llvm symbolizer, the hexadecimal address has to start with 0x.
info = llvm_symbolizer.GetSymbolInformation(
os.path.join(symbol.SYMBOLS_DIR, symbol.TranslateLibPath(area)),
'0x' + code_addr)
logging.debug('symbol information: %s' % info)
nest_count = len(info) - 1
for source_symbol, source_location in info:
if nest_count > 0:
nest_count = nest_count - 1
trace_lines.append(('v------>', source_symbol, source_location))
elif '<UNKNOWN>' in source_symbol and symbol_name:
# If the symbolizer couldn't find a symbol name, but the trace had
# one, use what the trace had.
trace_lines.append((code_addr, symbol_name, source_location))
else:
trace_lines.append((code_addr,
source_symbol,
source_location))
match = _VALUE_LINE.match(line)
if match:
(_, addr, value, area, _, symbol_name) = match.groups()
if area == UNKNOWN or area == HEAP or area == STACK or not area:
value_lines.append((addr, value, '', area))
else:
info = llvm_symbolizer.GetSymbolInformation(
os.path.join(symbol.SYMBOLS_DIR, symbol.TranslateLibPath(area)),
'0x' + value)
source_symbol, source_location = info.pop()
value_lines.append((addr,
value,
source_symbol,
source_location))
java_lines = []
if pid != -1 and pid in java_stderr_by_pid:
java_lines = java_stderr_by_pid[pid]
PrintOutput(trace_lines, value_lines, java_lines, more_info)
def _TranslateLibPath(library, asan_libs):
for asan_lib in asan_libs:
if os.path.basename(library) == os.path.basename(asan_lib):
return '/' + asan_lib
return symbol.TranslateLibPath(library)
def _TranslateLibPath(library, asan_libs):
for asan_lib in asan_libs:
if os.path.basename(library) == os.path.basename(asan_lib):
return '/' + asan_lib
# pylint: disable=no-member
return symbol.TranslateLibPath(library)
def ResolveCrashSymbol(lines, more_info):
"""Convert unicode strings which contains native crash to a stack
"""
trace_lines = []
value_lines = []
last_frame = -1
pid = -1
# It is faster to get symbol information with a single call rather than with
# separate calls for each line. Since symbol.SymbolInformation caches results,
# we can extract all the addresses that we will want symbol information for
# from the log and call symbol.SymbolInformation so that the results are
# cached in the following lookups.
code_addresses = {}
# Collects all java exception lines, keyed by pid for later output during
# native crash handling.
java_stderr_by_pid = {}
for line in lines:
lib, address = None, None
match = _TRACE_LINE.match(line) or _DEBUG_TRACE_LINE.match(line)
if match:
address, lib = match.group('address', 'lib')
match = _VALUE_LINE.match(line)
if match and not code_line.match(line):
(_0, _1, address, lib, _2, _3) = match.groups()
if lib:
code_addresses.setdefault(lib, set()).add(address)
java_stderr_match = _JAVA_STDERR_LINE.search(line)
if java_stderr_match:
pid, msg = java_stderr_match.groups()
java_stderr_by_pid.setdefault(pid, []).append(msg)
for lib in code_addresses:
symbol.SymbolInformationForSet(symbol.TranslateLibPath(lib),
code_addresses[lib], more_info)
for line in lines:
# AndroidFeedback adds zero width spaces into its crash reports. These
# should be removed or the regular expresssions will fail to match.
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)
log_fatal_header = _LOG_FATAL_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
or log_fatal_header):
if trace_lines or value_lines:
java_lines = []
if pid != -1 and pid in java_stderr_by_pid:
java_lines = java_stderr_by_pid[pid]
PrintOutput(trace_lines, value_lines, java_lines, more_info)
PrintDivider()
trace_lines = []
value_lines = []
last_frame = -1
pid = -1
if process_header:
# Track the last reported pid to find java exceptions.
pid = _PROCESS_INFO_PID.search(
process_header.group(1)).group(1)
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)
if log_fatal_header:
print log_fatal_header.group(1)
continue
match = _TRACE_LINE.match(line) or _DEBUG_TRACE_LINE.match(line)
if match:
frame, code_addr, area, symbol_present, symbol_name = match.group(
'frame', 'address', 'lib', 'symbol_present', 'symbol_name')
logging.debug('Found trace line: %s' % line.strip())
if frame <= last_frame and (trace_lines or value_lines):
java_lines = []
if pid != -1 and pid in java_stderr_by_pid:
java_lines = java_stderr_by_pid[pid]
PrintOutput(trace_lines, value_lines, java_lines, more_info)
PrintDivider()
trace_lines = []
value_lines = []
pid = -1
last_frame = frame
if area == UNKNOWN or area == HEAP or area == STACK:
trace_lines.append((code_addr, '', area))
else:
logging.debug('Identified lib: %s' % area)
# 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, more_info)
logging.debug('symbol information: %s' % info)
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))
match = _VALUE_LINE.match(line)
if match:
(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, more_info)
(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))
java_lines = []
if pid != -1 and pid in java_stderr_by_pid:
java_lines = java_stderr_by_pid[pid]
PrintOutput(trace_lines, value_lines, java_lines, more_info)
