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Improved the regular expressions to handle "+" characters being at the front

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of the identifier name in the binary images section. Improved the regular
expression for the frames.

Added a new file "crashlog.lldb" which can be sourced with "command source"
that will import the module and set itself up to be used as a command.

llvm-svn: 148529
This commit is contained in:
Greg Clayton
2012-01-20 03:32:35 +00:00
parent aa9d02b17c
commit a32bfbeeda
2 changed files with 41 additions and 30 deletions
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5
lldb/examples/python/crashlog.lldb Normal file
View File

@@ -0,0 +1,5 @@
# source this file while being chdir'ed in the directory that contains
# this file at the LLDB command line with:
# (lldb) command source crashlog.lldb
script import crashlog
command script add -f crashlog.Symbolicate crashlog

66
lldb/examples/python/crashlog.py
View File

@@ -28,9 +28,9 @@ class CrashLog:
"""Class that does parses darwin crash logs"""
thread_state_regex = re.compile('^Thread ([0-9]+) crashed with')
thread_regex = re.compile('^Thread ([0-9]+)([^:]*):(.*)')
frame_regex = re.compile('^([0-9]+) +([^ ]+) +\t(0x[0-9a-fA-F]+) +(.*)')
image_regex_uuid = re.compile('(0x[0-9a-fA-F]+)[- ]+(0x[0-9a-fA-F]+) +([^ ]+) +([^<]+)<([-0-9a-fA-F]+)> (.*)');
image_regex_no_uuid = re.compile('(0x[0-9a-fA-F]+)[- ]+(0x[0-9a-fA-F]+) +([^ ]+) +([^/]+)/(.*)');
frame_regex = re.compile('^([0-9]+) +([^ ]+) *\t(0x[0-9a-fA-F]+) +(.*)')
image_regex_uuid = re.compile('(0x[0-9a-fA-F]+)[- ]+(0x[0-9a-fA-F]+) +[+]?([^ ]+) +([^<]+)<([-0-9a-fA-F]+)> (.*)');
image_regex_no_uuid = re.compile('(0x[0-9a-fA-F]+)[- ]+(0x[0-9a-fA-F]+) +[+]?([^ ]+) +([^/]+)/(.*)');
empty_line_regex = re.compile('^$')
class Thread:
@@ -80,6 +80,8 @@ class CrashLog:
class Image:
"""Class that represents a binary images in a darwin crash log"""
dsymForUUIDBinary = os.path.expanduser('~rc/bin/dsymForUUID')
def __init__(self, text_addr_lo, text_addr_hi, ident, version, uuid, path):
self.text_addr_lo = text_addr_lo
self.text_addr_hi = text_addr_hi
@@ -103,32 +105,35 @@ class CrashLog:
return None
def fetch_symboled_executable_and_dsym(self):
dsym_for_uuid_command = ('~rc/bin/dsymForUUID %s' % self.uuid)
print 'Fetching %s %s...' % (self.uuid, self.path),
s = commands.getoutput(dsym_for_uuid_command)
if s:
plist_root = plistlib.readPlistFromString (s)
if plist_root:
# pp = pprint.PrettyPrinter(indent=4)
# pp.pprint(plist_root)
self.plist = plist_root[self.uuid]
if self.plist:
if 'DBGError' in self.plist:
err = self.plist['DBGError']
if isinstance(err, unicode):
err = err.encode('utf-8')
print 'error: %s' % err
elif 'DBGSymbolRichExecutable' in self.plist:
self.path = os.path.expanduser (self.plist['DBGSymbolRichExecutable'])
#print 'success: symboled exe is "%s"' % self.path
print 'ok'
return 1
print 'error: failed to get plist dictionary entry for UUID %s: %s' % (uuid, plist_root)
if os.path.exists(self.dsymForUUIDBinary):
dsym_for_uuid_command = '%s %s' % (self.dsymForUUIDBinary, self.uuid)
print 'Fetching %s %s...' % (self.uuid, self.path),
s = commands.getoutput(dsym_for_uuid_command)
if s:
plist_root = plistlib.readPlistFromString (s)
if plist_root:
# pp = pprint.PrettyPrinter(indent=4)
# pp.pprint(plist_root)
self.plist = plist_root[self.uuid]
if self.plist:
if 'DBGError' in self.plist:
err = self.plist['DBGError']
if isinstance(err, unicode):
err = err.encode('utf-8')
print 'error: %s' % err
elif 'DBGSymbolRichExecutable' in self.plist:
self.path = os.path.expanduser (self.plist['DBGSymbolRichExecutable'])
#print 'success: symboled exe is "%s"' % self.path
print 'ok'
return 1
print 'error: failed to get plist dictionary entry for UUID %s: %s' % (uuid, plist_root)
else:
print 'error: failed to extract plist from "%s"' % (s)
else:
print 'error: failed to extract plist from "%s"' % (s)
print 'error: %s failed...' % (dsym_for_uuid_command)
return 0
else:
print 'error: %s failed...' % (dsym_for_uuid_command)
return 0
return 1 # no dsym locating script, just use the paths in the crash log
def load_module(self):
if self.module:
@@ -136,7 +141,7 @@ class CrashLog:
if text_section:
error = self.target.SetSectionLoadAddress (text_section, self.text_addr_lo)
if error.Success():
print 'Success: loaded %s.__TEXT = 0x%x' % (self.basename(), self.text_addr_lo)
#print 'Success: loaded %s.__TEXT = 0x%x' % (self.basename(), self.text_addr_lo)
return None
else:
return 'error: %s' % error.GetCString()
@@ -286,7 +291,7 @@ class CrashLog:
self.idents.append(ident)
thread.frames.append (CrashLog.Frame(int(frame_match.group(1)), int(frame_match.group(3), 0), frame_match.group(4)))
else:
print "error: frame regex failed"
print 'error: frame regex failed for line: "%s"' % line
elif parse_mode == PARSE_MODE_IMAGES:
image_match = self.image_regex_uuid.search (line)
if image_match:
@@ -436,7 +441,8 @@ def SymbolicateCrashLog(command_args):
options.dependents = False
for crash_log_file in options.crash_log_files:
crash_log = CrashLog(crash_log_file)
crash_log.dump()
if options.verbose:
crash_log.dump()
if crash_log.images:
err = crash_log.images[0].create_target (debugger)
if err: