import os
import shlex
import subprocess
-
-cgitb.enable(format='text')
+import logging
+import contextlib
+import base64
kcdata_type_def = {
'KCDATA_TYPE_INVALID': 0x0,
'KCDATA_TYPE_TYPEDEFINTION': 0x12,
'KCDATA_TYPE_CONTAINER_BEGIN': 0x13,
'KCDATA_TYPE_CONTIANER_END': 0x14,
+
+ 'KCDATA_TYPE_ARRAY_PAD0': 0x20,
+ 'KCDATA_TYPE_ARRAY_PAD1': 0x21,
+ 'KCDATA_TYPE_ARRAY_PAD2': 0x22,
+ 'KCDATA_TYPE_ARRAY_PAD3': 0x23,
+ 'KCDATA_TYPE_ARRAY_PAD4': 0x24,
+ 'KCDATA_TYPE_ARRAY_PAD5': 0x25,
+ 'KCDATA_TYPE_ARRAY_PAD6': 0x26,
+ 'KCDATA_TYPE_ARRAY_PAD7': 0x27,
+ 'KCDATA_TYPE_ARRAY_PAD8': 0x28,
+ 'KCDATA_TYPE_ARRAY_PAD9': 0x29,
+ 'KCDATA_TYPE_ARRAY_PADa': 0x2a,
+ 'KCDATA_TYPE_ARRAY_PADb': 0x2b,
+ 'KCDATA_TYPE_ARRAY_PADc': 0x2c,
+ 'KCDATA_TYPE_ARRAY_PADd': 0x2d,
+ 'KCDATA_TYPE_ARRAY_PADe': 0x2e,
+ 'KCDATA_TYPE_ARRAY_PADf': 0x2f,
+
'KCDATA_TYPE_LIBRARY_LOADINFO': 0x30,
'KCDATA_TYPE_LIBRARY_LOADINFO64': 0x31,
'KCDATA_TYPE_TIMEBASE': 0x32,
- #'KCDATA_TYPE_MACH_ABSOLUTE_TIME': 0x33,
+ 'KCDATA_TYPE_MACH_ABSOLUTE_TIME': 0x33,
'KCDATA_TYPE_TIMEVAL': 0x34,
'KCDATA_TYPE_USECS_SINCE_EPOCH': 0x35,
+ 'KCDATA_TYPE_PID': 0x36,
+ 'KCDATA_TYPE_PROCNAME': 0x37,
+ 'KCDATA_TYPE_NESTED_KCDATA': 0x38,
+
'STACKSHOT_KCCONTAINER_TASK': 0x903,
'STACKSHOT_KCCONTAINER_THREAD': 0x904,
+ 'STACKSHOT_KCTYPE_DONATING_PIDS': 0x907,
+ 'STACKSHOT_KCTYPE_SHAREDCACHE_LOADINFO': 0x908,
'STACKSHOT_KCTYPE_KERN_STACKFRAME': 0x90A,
'STACKSHOT_KCTYPE_KERN_STACKFRAME64': 0x90B,
'STACKSHOT_KCTYPE_USER_STACKFRAME': 0x90C,
'STACKSHOT_KCTYPE_OSVERSION': 0x90F,
'STACKSHOT_KCTYPE_KERN_PAGE_SIZE': 0x910,
'STACKSHOT_KCTYPE_JETSAM_LEVEL': 0x911,
+ 'STACKSHOT_KCTYPE_DELTA_SINCE_TIMESTAMP': 0x912,
+ 'STACKSHOT_KCTYPE_TASK_DELTA_SNAPSHOT': 0x940,
+ 'STACKSHOT_KCTYPE_THREAD_DELTA_SNAPSHOT': 0x941,
+
+ 'STACKSHOT_KCTYPE_KERN_STACKLR': 0x913,
+ 'STACKSHOT_KCTYPE_KERN_STACKLR64': 0x914,
+ 'STACKSHOT_KCTYPE_USER_STACKLR': 0x915,
+ 'STACKSHOT_KCTYPE_USER_STACKLR64': 0x916,
+ 'STACKSHOT_KCTYPE_NONRUNNABLE_TIDS': 0x917,
+ 'STACKSHOT_KCTYPE_NONRUNNABLE_TASKS': 0x918,
+ 'STACKSHOT_KCTYPE_CPU_TIMES': 0x919,
+ 'STACKSHOT_KCTYPE_STACKSHOT_DURATION': 0x91a,
+ 'STACKSHOT_KCTYPE_STACKSHOT_FAULT_STATS': 0x91b,
+ 'STACKSHOT_KCTYPE_KERNELCACHE_LOADINFO': 0x91c,
+ 'STACKSHOT_KCTYPE_THREAD_WAITINFO' : 0x91d,
+
'KCDATA_TYPE_BUFFER_END': 0xF19158ED,
'TASK_CRASHINFO_UUID': 0x804,
'TASK_CRASHINFO_PID': 0x805,
'TASK_CRASHINFO_PPID': 0x806,
- 'TASK_CRASHINFO_RUSAGE': 0x807,
+
+ # Don't want anyone using this. It's struct rusage from whatever machine generated the data
+ #'TASK_CRASHINFO_RUSAGE': 0x807,
+ 'Type_0x807': 0x807,
+
'TASK_CRASHINFO_RUSAGE_INFO': 0x808,
'TASK_CRASHINFO_PROC_NAME': 0x809,
'TASK_CRASHINFO_PROC_STARTTIME': 0x80B,
'TASK_CRASHINFO_RESPONSIBLE_PID': 0x818,
'TASK_CRASHINFO_DIRTY_FLAGS': 0x819,
'TASK_CRASHINFO_CRASHED_THREADID': 0x81A,
-
- 'KCDATA_BUFFER_BEGIN_CRASHINFO': 0xDEADF157,
- 'KCDATA_BUFFER_BEGIN_STACKSHOT': 0x59a25807
+ 'TASK_CRASHINFO_COALITION_ID': 0x81B,
+ 'EXIT_REASON_SNAPSHOT': 0x1001,
+ 'EXIT_REASON_USER_DESC': 0x1002,
+ 'EXIT_REASON_USER_PAYLOAD': 0x1003,
+ 'EXIT_REASON_CODESIGNING_INFO': 0x1004,
+ 'KCDATA_BUFFER_BEGIN_CRASHINFO': 0xDEADF157,
+ 'KCDATA_BUFFER_BEGIN_DELTA_STACKSHOT': 0xDE17A59A,
+ 'KCDATA_BUFFER_BEGIN_STACKSHOT': 0x59a25807,
+ 'KCDATA_BUFFER_BEGIN_OS_REASON': 0x53A20900,
+ 'KCDATA_BUFFER_BEGIN_XNUPOST_CONFIG': 0x1E21C09F
}
kcdata_type_def_rev = dict((v, k) for k, v in kcdata_type_def.iteritems())
KNOWN_TYPES_COLLECTION = {}
+KNOWN_TOPLEVEL_CONTAINER_TYPES = ()
def enum(**args):
return type('enum', (), args)
KCSUBTYPE_TYPE = enum(KC_ST_CHAR=1, KC_ST_INT8=2, KC_ST_UINT8=3, KC_ST_INT16=4, KC_ST_UINT16=5, KC_ST_INT32=6, KC_ST_UINT32=7, KC_ST_INT64=8, KC_ST_UINT64=9)
+LEGAL_OLD_STYLE_ARRAY_TYPE_NAMES = ['KCDATA_TYPE_LIBRARY_LOADINFO',
+ 'KCDATA_TYPE_LIBRARY_LOADINFO64',
+ 'STACKSHOT_KCTYPE_KERN_STACKFRAME',
+ 'STACKSHOT_KCTYPE_USER_STACKFRAME',
+ 'STACKSHOT_KCTYPE_KERN_STACKFRAME64',
+ 'STACKSHOT_KCTYPE_USER_STACKFRAME64',
+ 'STACKSHOT_KCTYPE_DONATING_PIDS',
+ 'STACKSHOT_KCTYPE_THREAD_DELTA_SNAPSHOT']
+
+KCDATA_FLAGS_STRUCT_PADDING_MASK = 0xf
+KCDATA_FLAGS_STRUCT_HAS_PADDING = 0x80
+
class KCSubTypeElement(object):
"""convert kcdata_subtype_descriptor to """
_unpack_formats = (None, 'c', 'b', 'B', 'h', 'H', 'i', 'I', 'q', 'Q')
str_arr.append(self.GetValueAsString(base_data, i))
return '"' + ''.join(str_arr) + '"'
- o = '[' + ','.join([self.GetValueAsString(base_data, i) for i in range(self.count)]) + ']'
+
+ count = self.count
+ if count > len(base_data)/self.size:
+ count = len(base_data)/self.size
+
+ o = '[' + ','.join([self.GetValueAsString(base_data, i) for i in range(count)]) + ']'
+
return o
- def GetJsonRepr(self, base_data):
+ def GetJsonRepr(self, base_data, flags=0):
+ if (flags & (KCDATA_FLAGS_STRUCT_HAS_PADDING | KCDATA_FLAGS_STRUCT_PADDING_MASK)) != 0:
+ padding = (flags & KCDATA_FLAGS_STRUCT_PADDING_MASK)
+ if padding:
+ base_data = base_data[:-padding]
if self.custom_JsonRepr:
if self.is_array_type:
e_data = [self.GetValue(base_data, i) for i in range(self.count)]
return self.custom_JsonRepr(e_data, self.name)
return self.GetStringRepr(base_data)
+ def sizeof(self):
+ return self.totalsize
+
+ def ShouldSkip(self, data):
+ return len(data) < self.offset + self.totalsize
+
+ def ShouldMerge(self):
+ return False
+
class KCTypeDescription(object):
- def __init__(self, t_type_id, t_elements=[], t_name='anon', custom_repr=None):
+ def __init__(self, t_type_id, t_elements=[], t_name='anon', custom_repr=None, legacy_size=None, merge=False):
self.type_id = t_type_id
self.elements = t_elements
self.name = t_name
self.totalsize = 0
self.custom_JsonRepr = custom_repr
+ self.legacy_size = legacy_size
+ self.merge = merge
for e in self.elements:
self.totalsize += e.GetTotalSize()
retval = KCTypeDescription(t_type_id, other.elements, t_name, other.custom_JsonRepr)
return retval
- def GetJsonRepr(self, base_data):
+ def ShouldMerge(self):
+ return self.merge
+
+ def GetJsonRepr(self, base_data, flags):
+ if (flags & (KCDATA_FLAGS_STRUCT_HAS_PADDING | KCDATA_FLAGS_STRUCT_PADDING_MASK)) != 0:
+ padding = (flags & KCDATA_FLAGS_STRUCT_PADDING_MASK)
+ if padding:
+ base_data = base_data[:-padding]
+ elif self.legacy_size and len(base_data) == self.legacy_size + ((-self.legacy_size) & 0xf):
+ base_data = base_data[:self.legacy_size]
if self.custom_JsonRepr:
return self.custom_JsonRepr([e.GetValue(base_data) for e in self.elements])
- o = '{' + ", ".join(['"%s": %s' % (e.GetName(), e.GetJsonRepr(base_data)) for e in self.elements]) + '}'
+ o = ", ".join(['"%s": %s' % (e.GetName(), e.GetJsonRepr(base_data)) for e in self.elements if not e.ShouldSkip(base_data)])
+ if not self.merge:
+ o = '{' + o + '}'
return o
+ def sizeof(self):
+ return max(st.totalsize + st.offset for st in self.elements)
+
def GetTypeNameForKey(k):
retval = "0x%x" % k
return ret
+LEGAL_OLD_STYLE_ARRAY_TYPES = map(GetTypeForName, LEGAL_OLD_STYLE_ARRAY_TYPE_NAMES)
+
+kcdata_type_def_rev[GetTypeForName('KCDATA_BUFFER_BEGIN_STACKSHOT')] = 'kcdata_stackshot'
+kcdata_type_def_rev[GetTypeForName('KCDATA_BUFFER_BEGIN_DELTA_STACKSHOT')] = 'kcdata_delta_stackshot'
+kcdata_type_def_rev[GetTypeForName('KCDATA_BUFFER_BEGIN_CRASHINFO')] = 'kcdata_crashinfo'
+kcdata_type_def_rev[GetTypeForName('KCDATA_BUFFER_BEGIN_OS_REASON')] = 'kcdata_reason'
+kcdata_type_def_rev[GetTypeForName('STACKSHOT_KCCONTAINER_TASK')] = 'task_snapshots'
+kcdata_type_def_rev[GetTypeForName('STACKSHOT_KCCONTAINER_THREAD')] = 'thread_snapshots'
+kcdata_type_def_rev[GetTypeForName('KCDATA_BUFFER_BEGIN_XNUPOST_CONFIG')] = 'xnupost_testconfig'
+
+class Indent(object):
+ def __init__(self):
+ self.n = 0
+ def __call__(self, end=False):
+ if end:
+ return " " * (self.n-4)
+ else:
+ return " " * self.n
+ @contextlib.contextmanager
+ def indent(self):
+ self.n += 4
+ try:
+ yield
+ finally:
+ self.n -= 4
+
+INDENT = Indent()
+
class KCObject(object):
- """
- """
- def __init__(self, type_code, data, flags=0, field_name=''):
+
+ def __init__(self, type_code, data, offset, flags=0):
+
self.i_type = type_code
self.i_data = data
+ self.offset = offset
self.i_size = len(data)
- self.i_name = field_name
self.i_flags = flags
self.obj_collection = []
self.obj = {}
self.is_container_type = False
self.is_array_type = False
self.is_naked_type = False
- if not field_name:
- self.i_name = GetTypeNameForKey(type_code)
+ self.nested_kcdata = None
+ self.i_name = GetTypeNameForKey(type_code)
+
self.ParseData()
+ if self.i_type == GetTypeForName('KCDATA_TYPE_CONTAINER_BEGIN'):
+ self.__class__ = KCContainerObject
+
+ if self.i_type in KNOWN_TOPLEVEL_CONTAINER_TYPES:
+ self.__class__ = KCBufferObject
+
+ self.InitAfterParse()
+
+ def InitAfterParse(self):
+ pass
+
@staticmethod
def FromKCItem(kcitem):
- return KCObject(kcitem.i_type, kcitem.i_data, kcitem.i_flags)
-
- def IsContainerType(self):
- return self.is_container_type
+ return KCObject(kcitem.i_type, kcitem.i_data, kcitem.i_offset, kcitem.i_flags)
def IsContainerEnd(self):
- if self.i_type in (GetTypeForName('KCDATA_TYPE_CONTIANER_END'), GetTypeForName('KCDATA_TYPE_BUFFER_END')):
+ return self.i_type == GetTypeForName('KCDATA_TYPE_CONTIANER_END')
+
+ def IsBufferEnd(self):
+ return self.i_type == GetTypeForName('KCDATA_TYPE_BUFFER_END')
+
+ def IsArray(self):
+ return self.is_array_type
+
+ def ShouldMerge(self):
+ if self.nested_kcdata:
return True
- return False
+ elif not self.is_array_type and self.i_type in KNOWN_TYPES_COLLECTION:
+ return KNOWN_TYPES_COLLECTION[self.i_type].ShouldMerge()
+ else:
+ return False
def GetJsonRepr(self):
if self.is_array_type:
return '[' + ', '.join([i.GetJsonRepr() for i in self.obj_collection]) + ']'
- #if self.is_array_type:
- # return '"%s" : [' % self.i_name + ', '.join([i.GetJsonRepr() for i in self.obj_collection]) + ']'
- if self.is_container_type:
- raise NotImplementedError("Containter types should not have come here")
if self.i_type in KNOWN_TYPES_COLLECTION:
- return KNOWN_TYPES_COLLECTION[self.i_type].GetJsonRepr(self.i_data)
+ return KNOWN_TYPES_COLLECTION[self.i_type].GetJsonRepr(self.i_data, self.i_flags)
if self.is_naked_type:
return json.dumps(self.obj)
+ if self.nested_kcdata:
+ return self.nested_kcdata.GetJsonRepr()
raise NotImplementedError("Broken GetJsonRepr implementation")
def ParseData(self):
+
+
if self.i_type == GetTypeForName('KCDATA_TYPE_CONTAINER_BEGIN'):
- self.is_container_type = True
self.obj['uniqID'] = self.i_flags
self.i_name = str(self.obj['uniqID'])
self.obj['typeID'] = struct.unpack_from('I', self.i_data)[0]
+ logging.info("0x%08x: %sCONTAINER: %s(%x)" % (self.offset, INDENT(), GetTypeNameForKey(self.obj['typeID']), self.i_flags))
- elif self.i_type in (GetTypeForName('KCDATA_BUFFER_BEGIN_CRASHINFO'), GetTypeForName('KCDATA_BUFFER_BEGIN_STACKSHOT')):
- self.is_container_type = True
+ elif self.i_type in (KNOWN_TOPLEVEL_CONTAINER_TYPES):
self.obj['uniqID'] = self.i_name
self.obj['typeID'] = self.i_type
+ logging.info("0x%08x: %s%s" % (self.offset, INDENT(), self.i_name))
elif self.i_type == GetTypeForName('KCDATA_TYPE_CONTIANER_END'):
self.obj['uniqID'] = self.i_flags
+ logging.info("0x%08x: %sEND" % (self.offset, INDENT(end=True)))
elif self.i_type == GetTypeForName('KCDATA_TYPE_BUFFER_END'):
self.obj = ''
+ logging.info("0x%08x: %sEND_BUFFER" % (self.offset, INDENT(end=True)))
elif self.i_type == GetTypeForName('KCDATA_TYPE_UINT32_DESC'):
self.is_naked_type = True
u_d = struct.unpack_from('32sI', self.i_data)
self.i_name = u_d[0].strip(chr(0))
self.obj = u_d[1]
+ logging.info("0x%08x: %s%s" % (self.offset, INDENT(), self.i_name))
elif self.i_type == GetTypeForName('KCDATA_TYPE_UINT64_DESC'):
self.is_naked_type = True
u_d = struct.unpack_from('32sQ', self.i_data)
self.i_name = u_d[0].strip(chr(0))
self.obj = u_d[1]
+ logging.info("0x%08x: %s%s" % (self.offset, INDENT(), self.i_name))
elif self.i_type == GetTypeForName('KCDATA_TYPE_TYPEDEFINTION'):
self.is_naked_type = True
u_d = struct.unpack_from('II32s', self.i_data)
- self.obj['name'] = u_d[2].strip(chr(0))
- self.i_name = "typedef<%s>" % self.obj['name']
+ self.obj['name'] = u_d[2].split(chr(0))[0]
+ self.i_name = "typedef[%s]" % self.obj['name']
self.obj['typeID'] = u_d[0]
self.obj['numOfFields'] = u_d[1]
element_arr = []
#print str(type_desc)
self.obj['fields'] = [str(e) for e in element_arr]
KNOWN_TYPES_COLLECTION[type_desc.GetTypeID()] = type_desc
+ logging.info("0x%08x: %s%s" % (self.offset, INDENT(), self.i_name))
elif self.i_type == GetTypeForName('KCDATA_TYPE_ARRAY'):
self.is_array_type = True
e_t = (self.i_flags >> 32) & 0xffffffff
+ if e_t not in LEGAL_OLD_STYLE_ARRAY_TYPES:
+ raise Exception, "illegal old-style array type: %s (0x%x)" % (GetTypeNameForKey(e_t), e_t)
e_c = self.i_flags & 0xffffffff
- e_s = self.i_size / e_c
+ e_s = KNOWN_TYPES_COLLECTION[e_t].sizeof()
+ if e_s * e_c > self.i_size:
+ raise Excpetion, "array too small for its count"
self.obj['typeID'] = e_t
self.i_name = GetTypeNameForKey(e_t)
self.i_type = e_t
self.obj['numOfElements'] = e_c
self.obj['sizeOfElement'] = e_s
+ logging.info("0x%08x: %sARRAY: %s" % (self.offset, INDENT(), self.i_name))
#populate the array here by recursive creation of KCObject
- for _i in range(e_c):
- _o = KCObject(e_t, self.i_data[(_i * e_s):(_i * e_s) + e_s])
- self.obj_collection.append(_o)
+ with INDENT.indent():
+ for _i in range(e_c):
+ _o = KCObject(e_t, self.i_data[(_i * e_s):(_i * e_s) + e_s], self.offset + _i*e_s)
+ self.obj_collection.append(_o)
+
+ elif self.i_type >= GetTypeForName('KCDATA_TYPE_ARRAY_PAD0') and self.i_type <= GetTypeForName('KCDATA_TYPE_ARRAY_PADf'):
+ self.is_array_type = True
+ e_t = (self.i_flags >> 32) & 0xffffffff
+ e_c = self.i_flags & 0xffffffff
+ e_s = (self.i_size - (self.i_type & 0xf)) / e_c if e_c != 0 else None
+ self.obj['typeID'] = e_t
+ self.i_name = GetTypeNameForKey(e_t)
+ self.i_type = e_t
+ self.obj['numOfElements'] = e_c
+ self.obj['sizeOfElement'] = e_s
+ logging.info("0x%08x: %sARRAY: %s" % (self.offset, INDENT(), self.i_name))
+ #populate the array here by recursive creation of KCObject
+ with INDENT.indent():
+ for _i in range(e_c):
+ _o = KCObject(e_t, self.i_data[(_i * e_s):(_i * e_s) + e_s], self.offset + _i*e_s)
+ self.obj_collection.append(_o)
+
+ elif self.i_type == GetTypeForName('KCDATA_TYPE_NESTED_KCDATA'):
+ logging.info("0x%08x: %sNESTED_KCDATA" % (self.offset, INDENT()))
+ with INDENT.indent():
+ nested_iterator = kcdata_item_iterator(self.i_data[:self.i_size])
+ nested_buffer = KCObject.FromKCItem(nested_iterator.next())
+ if not isinstance(nested_buffer, KCBufferObject):
+ raise Exception, "nested buffer isn't a KCBufferObject"
+ nested_buffer.ReadItems(nested_iterator)
+ self.nested_kcdata = nested_buffer
+
elif self.i_type in KNOWN_TYPES_COLLECTION:
self.i_name = KNOWN_TYPES_COLLECTION[self.i_type].GetName()
self.is_naked_type = True
+ logging.info("0x%08x: %s%s" % (self.offset, INDENT(), self.i_name))
else:
self.is_naked_type = True
#self.obj = "data of len %d" % len(self.i_data)
#self.obj = ''.join(["%x" % ki for ki in struct.unpack('%dB' % len(self.i_data), self.i_data)])
- self.obj = base64.b64encode(self.i_data)
+ self.obj = map(ord, self.i_data)
+ logging.info("0x%08x: %s%s" % (self.offset, INDENT(), self.i_name))
class KCContainerObject(KCObject):
def __init__(self, *args, **kwargs):
- KCObject.__init__(self, *args, **kwargs)
+ assert False
+
+ def InitAfterParse(self):
self.obj_container_dict = {}
self.obj_nested_objs = {}
+ def ShouldMerge(self):
+ return True
+
def GetJsonRepr(self):
- o = '"%s"' % self.obj['uniqID'] + ' : { "typeID" : %d ,' % self.obj['typeID']
+ # o = '"%s"' % self.obj['uniqID'] + ' : { "typeID" : %d ,' % self.obj['typeID']
+ o = '"%s"' % self.obj['uniqID'] + ' : { '
for (k, v) in self.obj_container_dict.items():
- if v.IsContainerType():
+ if v.ShouldMerge():
o += v.GetJsonRepr() + ","
else:
o += ' "%s" : ' % k + v.GetJsonRepr() + ","
return o
def AddObject(self, kco):
- if kco.IsContainerEnd():
- return
- if kco.IsContainerType():
+ assert not kco.IsContainerEnd()
+ if isinstance(kco, KCContainerObject):
type_name = GetTypeNameForKey(kco.obj['typeID'])
if type_name not in self.obj_nested_objs:
self.obj_nested_objs[type_name] = {}
self.obj_nested_objs[type_name][kco.i_name] = kco
return
- self.obj_container_dict[kco.i_name] = kco
+ if kco.i_name in self.obj_container_dict:
+ if kco.IsArray() and self.obj_container_dict[kco.i_name].IsArray():
+ self.obj_container_dict[kco.i_name].obj_collection.extend( kco.obj_collection )
+ else:
+ self.obj_container_dict[kco.i_name] = kco
+
+ def IsEndMarker(self, o):
+ if not o.IsContainerEnd():
+ return False
+ if o.i_flags != self.i_flags:
+ raise Exception, "container end marker doesn't match"
+ return True
+
+ no_end_message = "could not find container end marker"
+
+ def ReadItems(self, iterator):
+ found_end = False
+ with INDENT.indent():
+ for i in iterator:
+ o = KCObject.FromKCItem(i)
+ if self.IsEndMarker(o):
+ found_end = True
+ break
+ if isinstance(o, KCContainerObject):
+ o.ReadItems(iterator)
+ self.AddObject(o)
+ if not found_end:
+ raise Exception, self.no_end_message
+
+
+class KCBufferObject(KCContainerObject):
+
+ def IsEndMarker(self,o):
+ if o.IsContainerEnd():
+ raise Exception, "container end marker at the toplevel"
+ return o.IsBufferEnd()
+
+ no_end_message = "could not find buffer end marker"
class KCData_item:
self.i_size = item_size
self.i_flags = item_flags
self.i_data = item_data
- self._buf_pos = None
+ self.i_offset = None
def __init__(self, barray, pos=0):
""" create an object by parsing data from bytes array
self.i_size = struct.unpack('I', barray[pos+4:pos+8])[0] # int.from_bytes(barray[pos+4:pos+8])
self.i_flags = struct.unpack('Q', barray[pos+8:pos+16])[0] # int.from_bytes(barray[pos+8:pos+16])
self.i_data = barray[pos+16: (pos + 16 + self.i_size)]
- self._buf_pos = pos
+ self.i_offset = pos
def __len__(self):
return self.i_size + KCData_item.header_size
def GetHeaderDescription(self):
- outs = "type: 0x%x size: 0x%x flags: 0x%x" % (self.i_type, self.i_size, self.i_flags)
- if not self._buf_pos is None:
- outs = "pos: 0x%x" % self._buf_pos + outs
+ outs = "type: 0x%x size: 0x%x flags: 0x%x (%s)" % (self.i_type, self.i_size, self.i_flags, GetTypeNameForKey(self.i_type))
+ if not self.i_offset is None:
+ outs = "pos: 0x%x" % self.i_offset + outs
return outs
def __str__(self):
return self.GetHeaderDescription()
-
-def kcdata_item_iterator(filename):
- if not filename:
- return
- with open(filename, "r+b") as f:
- fmap = mmap.mmap(f.fileno(), 0)
- file_len = len(fmap)
- curpos = 0
- while curpos < file_len:
- item = KCData_item(fmap, curpos)
- yield item
- curpos += len(item)
- fmap.close()
-
+def kcdata_item_iterator(data):
+ file_len = len(data)
+ curpos = 0
+ while curpos < file_len:
+ item = KCData_item(data, curpos)
+ yield item
+ curpos += len(item)
def _get_data_element(elementValues):
return json.dumps(elementValues[-1])
+KNOWN_TOPLEVEL_CONTAINER_TYPES = map(GetTypeForName, ('KCDATA_BUFFER_BEGIN_CRASHINFO', 'KCDATA_BUFFER_BEGIN_STACKSHOT', 'KCDATA_BUFFER_BEGIN_DELTA_STACKSHOT', 'KCDATA_BUFFER_BEGIN_OS_REASON','KCDATA_BUFFER_BEGIN_XNUPOST_CONFIG'))
+
KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_UINT32_DESC')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_UINT32_DESC'), (
KCSubTypeElement('desc', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(32, 1), 0, 1),
KCSubTypeElement('data', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 32, 0)
)
KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_TIMEBASE')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_TIMEBASE'), (
- KCSubTypeElement('numerator', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0),
- KCSubTypeElement('denominator', KCSUBTYPE_TYPE.KC_ST_UINT32, 8, 4, 0)
+ KCSubTypeElement('numer', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0),
+ KCSubTypeElement('denom', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4, 0)
),
- 'timebase_info'
+ 'mach_timebase_info'
)
STACKSHOT_IO_NUM_PRIORITIES = 4
KNOWN_TYPES_COLLECTION[0x901] = KCTypeDescription(0x901, (
- KCSubTypeElement.FromBasicCtype('disk_reads_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
- KCSubTypeElement.FromBasicCtype('disk_reads_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
- KCSubTypeElement.FromBasicCtype('disk_writes_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
- KCSubTypeElement.FromBasicCtype('disk_writes_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 24),
- KCSubTypeElement('io_priority_count', KCSUBTYPE_TYPE.KC_ST_UINT64, KCSubTypeElement.GetSizeForArray(STACKSHOT_IO_NUM_PRIORITIES, 8), 32, 1),
- KCSubTypeElement('io_priority_size', KCSUBTYPE_TYPE.KC_ST_UINT64, KCSubTypeElement.GetSizeForArray(STACKSHOT_IO_NUM_PRIORITIES, 8), 32 + (STACKSHOT_IO_NUM_PRIORITIES * 8), 1),
- KCSubTypeElement.FromBasicCtype('paging_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 32 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
- KCSubTypeElement.FromBasicCtype('paging_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 40 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
- KCSubTypeElement.FromBasicCtype('non_paging_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 48 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
- KCSubTypeElement.FromBasicCtype('non_paging_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 56 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
- KCSubTypeElement.FromBasicCtype('data_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 64 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
- KCSubTypeElement.FromBasicCtype('data_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 72 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
- KCSubTypeElement.FromBasicCtype('metadata_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 80 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
- KCSubTypeElement.FromBasicCtype('metadata_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 88 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8))
+ KCSubTypeElement.FromBasicCtype('ss_disk_reads_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('ss_disk_reads_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ KCSubTypeElement.FromBasicCtype('ss_disk_writes_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
+ KCSubTypeElement.FromBasicCtype('ss_disk_writes_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 24),
+ KCSubTypeElement('ss_io_priority_count', KCSUBTYPE_TYPE.KC_ST_UINT64, KCSubTypeElement.GetSizeForArray(STACKSHOT_IO_NUM_PRIORITIES, 8), 32, 1),
+ KCSubTypeElement('ss_io_priority_size', KCSUBTYPE_TYPE.KC_ST_UINT64, KCSubTypeElement.GetSizeForArray(STACKSHOT_IO_NUM_PRIORITIES, 8), 32 + (STACKSHOT_IO_NUM_PRIORITIES * 8), 1),
+ KCSubTypeElement.FromBasicCtype('ss_paging_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 32 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
+ KCSubTypeElement.FromBasicCtype('ss_paging_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 40 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
+ KCSubTypeElement.FromBasicCtype('ss_non_paging_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 48 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
+ KCSubTypeElement.FromBasicCtype('ss_non_paging_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 56 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
+ KCSubTypeElement.FromBasicCtype('ss_data_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 64 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
+ KCSubTypeElement.FromBasicCtype('ss_data_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 72 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
+ KCSubTypeElement.FromBasicCtype('ss_metadata_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 80 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)),
+ KCSubTypeElement.FromBasicCtype('ss_metadata_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 88 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8))
),
'io_statistics'
)
KNOWN_TYPES_COLLECTION[0x905] = KCTypeDescription(0x905, (
- KCSubTypeElement.FromBasicCtype('unique_pid', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
- KCSubTypeElement.FromBasicCtype('ss_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
- KCSubTypeElement.FromBasicCtype('user_time_in_terminated_threads', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
- KCSubTypeElement.FromBasicCtype('system_time_in_terminated_threads', KCSUBTYPE_TYPE.KC_ST_UINT64, 24),
- KCSubTypeElement.FromBasicCtype('p_start_sec', KCSUBTYPE_TYPE.KC_ST_UINT64, 32),
- KCSubTypeElement.FromBasicCtype('task_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 40),
- KCSubTypeElement.FromBasicCtype('task_max_resident_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 48),
- KCSubTypeElement.FromBasicCtype('suspend_count', KCSUBTYPE_TYPE.KC_ST_UINT32, 56),
- KCSubTypeElement.FromBasicCtype('faults', KCSUBTYPE_TYPE.KC_ST_UINT32, 60),
- KCSubTypeElement.FromBasicCtype('pageins', KCSUBTYPE_TYPE.KC_ST_UINT32, 64),
- KCSubTypeElement.FromBasicCtype('cow_faults', KCSUBTYPE_TYPE.KC_ST_UINT32, 68),
- KCSubTypeElement.FromBasicCtype('was_throttled', KCSUBTYPE_TYPE.KC_ST_UINT32, 72),
- KCSubTypeElement.FromBasicCtype('did_throttle', KCSUBTYPE_TYPE.KC_ST_UINT32, 76),
- KCSubTypeElement.FromBasicCtype('latency_qos', KCSUBTYPE_TYPE.KC_ST_UINT32, 80),
- KCSubTypeElement.FromBasicCtype('pid', KCSUBTYPE_TYPE.KC_ST_INT32, 84),
- KCSubTypeElement('p_comm', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(32, 1), 88, 1)
+ KCSubTypeElement.FromBasicCtype('ts_unique_pid', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('ts_ss_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ KCSubTypeElement.FromBasicCtype('ts_user_time_in_terminated_thre', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
+ KCSubTypeElement.FromBasicCtype('ts_system_time_in_terminated_th', KCSUBTYPE_TYPE.KC_ST_UINT64, 24),
+ KCSubTypeElement.FromBasicCtype('ts_p_start_sec', KCSUBTYPE_TYPE.KC_ST_UINT64, 32),
+ KCSubTypeElement.FromBasicCtype('ts_task_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 40),
+ KCSubTypeElement.FromBasicCtype('ts_max_resident_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 48),
+ KCSubTypeElement.FromBasicCtype('ts_suspend_count', KCSUBTYPE_TYPE.KC_ST_UINT32, 56),
+ KCSubTypeElement.FromBasicCtype('ts_faults', KCSUBTYPE_TYPE.KC_ST_UINT32, 60),
+ KCSubTypeElement.FromBasicCtype('ts_pageins', KCSUBTYPE_TYPE.KC_ST_UINT32, 64),
+ KCSubTypeElement.FromBasicCtype('ts_cow_faults', KCSUBTYPE_TYPE.KC_ST_UINT32, 68),
+ KCSubTypeElement.FromBasicCtype('ts_was_throttled', KCSUBTYPE_TYPE.KC_ST_UINT32, 72),
+ KCSubTypeElement.FromBasicCtype('ts_did_throttle', KCSUBTYPE_TYPE.KC_ST_UINT32, 76),
+ KCSubTypeElement.FromBasicCtype('ts_latency_qos', KCSUBTYPE_TYPE.KC_ST_UINT32, 80),
+ KCSubTypeElement.FromBasicCtype('ts_pid', KCSUBTYPE_TYPE.KC_ST_INT32, 84),
+ KCSubTypeElement('ts_p_comm', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(32, 1), 88, 1)
),
- 'task_snapshot_v2'
+ 'task_snapshot'
)
KNOWN_TYPES_COLLECTION[0x906] = KCTypeDescription(0x906, (
- KCSubTypeElement.FromBasicCtype('thread_id', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
- KCSubTypeElement.FromBasicCtype('wait_event', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
- KCSubTypeElement.FromBasicCtype('continuation', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
- KCSubTypeElement.FromBasicCtype('total_syscalls', KCSUBTYPE_TYPE.KC_ST_UINT64, 24),
- KCSubTypeElement.FromBasicCtype('voucher_identifier', KCSUBTYPE_TYPE.KC_ST_UINT64, 32),
- KCSubTypeElement.FromBasicCtype('dqserialnum', KCSUBTYPE_TYPE.KC_ST_UINT64, 40),
- KCSubTypeElement.FromBasicCtype('user_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 48),
- KCSubTypeElement.FromBasicCtype('sys_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 56),
- KCSubTypeElement.FromBasicCtype('ss_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 64),
- KCSubTypeElement.FromBasicCtype('last_run_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 72),
- KCSubTypeElement.FromBasicCtype('last_made_runnable_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 80),
- KCSubTypeElement.FromBasicCtype('state', KCSUBTYPE_TYPE.KC_ST_UINT32, 88),
- KCSubTypeElement.FromBasicCtype('sched_flags', KCSUBTYPE_TYPE.KC_ST_UINT32, 92),
- KCSubTypeElement.FromBasicCtype('base_priority', KCSUBTYPE_TYPE.KC_ST_INT16, 96),
- KCSubTypeElement.FromBasicCtype('sched_priority', KCSUBTYPE_TYPE.KC_ST_INT16, 98),
- KCSubTypeElement.FromBasicCtype('ts_eqos', KCSUBTYPE_TYPE.KC_ST_UINT8, 100),
- KCSubTypeElement.FromBasicCtype('ts_rqos', KCSUBTYPE_TYPE.KC_ST_UINT8, 101),
- KCSubTypeElement.FromBasicCtype('ts_rqos_override', KCSUBTYPE_TYPE.KC_ST_UINT8, 102),
- KCSubTypeElement.FromBasicCtype('io_tier', KCSUBTYPE_TYPE.KC_ST_UINT8, 103),
+ KCSubTypeElement.FromBasicCtype('ths_thread_id', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('ths_wait_event', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ KCSubTypeElement.FromBasicCtype('ths_continuation', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
+ KCSubTypeElement.FromBasicCtype('ths_total_syscalls', KCSUBTYPE_TYPE.KC_ST_UINT64, 24),
+ KCSubTypeElement.FromBasicCtype('ths_voucher_identifier', KCSUBTYPE_TYPE.KC_ST_UINT64, 32),
+ KCSubTypeElement.FromBasicCtype('ths_dqserialnum', KCSUBTYPE_TYPE.KC_ST_UINT64, 40),
+ KCSubTypeElement.FromBasicCtype('ths_user_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 48),
+ KCSubTypeElement.FromBasicCtype('ths_sys_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 56),
+ KCSubTypeElement.FromBasicCtype('ths_ss_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 64),
+ KCSubTypeElement.FromBasicCtype('ths_last_run_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 72),
+ KCSubTypeElement.FromBasicCtype('ths_last_made_runnable_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 80),
+ KCSubTypeElement.FromBasicCtype('ths_state', KCSUBTYPE_TYPE.KC_ST_UINT32, 88),
+ KCSubTypeElement.FromBasicCtype('ths_sched_flags', KCSUBTYPE_TYPE.KC_ST_UINT32, 92),
+ KCSubTypeElement.FromBasicCtype('ths_base_priority', KCSUBTYPE_TYPE.KC_ST_INT16, 96),
+ KCSubTypeElement.FromBasicCtype('ths_sched_priority', KCSUBTYPE_TYPE.KC_ST_INT16, 98),
+ KCSubTypeElement.FromBasicCtype('ths_eqos', KCSUBTYPE_TYPE.KC_ST_UINT8, 100),
+ KCSubTypeElement.FromBasicCtype('ths_rqos', KCSUBTYPE_TYPE.KC_ST_UINT8, 101),
+ KCSubTypeElement.FromBasicCtype('ths_rqos_override', KCSUBTYPE_TYPE.KC_ST_UINT8, 102),
+ KCSubTypeElement.FromBasicCtype('ths_io_tier', KCSUBTYPE_TYPE.KC_ST_UINT8, 103),
+ KCSubTypeElement.FromBasicCtype('ths_thread_t', KCSUBTYPE_TYPE.KC_ST_UINT64, 104),
),
- 'thread_snapshot_v2'
+ 'thread_snapshot',
+ legacy_size = 0x68
)
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_THREAD_DELTA_SNAPSHOT')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_THREAD_DELTA_SNAPSHOT'), (
+ KCSubTypeElement.FromBasicCtype('tds_thread_id', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('tds_voucher_identifier', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ KCSubTypeElement.FromBasicCtype('tds_ss_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
+ KCSubTypeElement.FromBasicCtype('tds_last_made_runnable_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 24),
+ KCSubTypeElement.FromBasicCtype('tds_state', KCSUBTYPE_TYPE.KC_ST_UINT32, 32),
+ KCSubTypeElement.FromBasicCtype('tds_sched_flags', KCSUBTYPE_TYPE.KC_ST_UINT32, 36),
+ KCSubTypeElement.FromBasicCtype('tds_base_priority', KCSUBTYPE_TYPE.KC_ST_INT16, 40),
+ KCSubTypeElement.FromBasicCtype('tds_sched_priority', KCSUBTYPE_TYPE.KC_ST_INT16, 42),
+ KCSubTypeElement.FromBasicCtype('tds_eqos', KCSUBTYPE_TYPE.KC_ST_UINT8, 44),
+ KCSubTypeElement.FromBasicCtype('tds_rqos', KCSUBTYPE_TYPE.KC_ST_UINT8, 45),
+ KCSubTypeElement.FromBasicCtype('tds_rqos_override', KCSUBTYPE_TYPE.KC_ST_UINT8, 46),
+ KCSubTypeElement.FromBasicCtype('tds_io_tier', KCSUBTYPE_TYPE.KC_ST_UINT8, 47),
+),
+ 'thread_delta_snapshot'
+)
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_TASK_DELTA_SNAPSHOT')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_TASK_DELTA_SNAPSHOT'), (
+ KCSubTypeElement.FromBasicCtype('tds_unique_pid', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('tds_ss_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ KCSubTypeElement.FromBasicCtype('tds_user_time_in_terminated_thr', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
+ KCSubTypeElement.FromBasicCtype('tds_system_time_in_terminated_t', KCSUBTYPE_TYPE.KC_ST_UINT64, 24),
+ KCSubTypeElement.FromBasicCtype('tds_task_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 32),
+ KCSubTypeElement.FromBasicCtype('tds_max_resident_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 40),
+ KCSubTypeElement.FromBasicCtype('tds_suspend_count', KCSUBTYPE_TYPE.KC_ST_UINT32, 48),
+ KCSubTypeElement.FromBasicCtype('tds_faults', KCSUBTYPE_TYPE.KC_ST_UINT32, 52),
+ KCSubTypeElement.FromBasicCtype('tds_pageins', KCSUBTYPE_TYPE.KC_ST_UINT32, 56),
+ KCSubTypeElement.FromBasicCtype('tds_cow_faults', KCSUBTYPE_TYPE.KC_ST_UINT32, 60),
+ KCSubTypeElement.FromBasicCtype('tds_was_throttled', KCSUBTYPE_TYPE.KC_ST_UINT32, 64),
+ KCSubTypeElement.FromBasicCtype('tds_did_throttle', KCSUBTYPE_TYPE.KC_ST_UINT32, 68),
+ KCSubTypeElement.FromBasicCtype('tds_latency_qos', KCSUBTYPE_TYPE.KC_ST_UINT32, 72),
+),
+ 'task_delta_snapshot'
+)
+
+
KNOWN_TYPES_COLLECTION[0x909] = KCSubTypeElement('pth_name', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(64, 1), 0, 1)
-def _get_uuid_json_data(elementValues, elementName):
- return '"<%s>"' % ''.join("%02x" % i for i in elementValues)
KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO64')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO64'), (
- KCSubTypeElement('loadAddress', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0),
- KCSubTypeElement('imageUUID', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 8, 1, _get_uuid_json_data)
+ KCSubTypeElement('imageLoadAddress', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0),
+ KCSubTypeElement('imageUUID', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 8, 1)
),
'dyld_load_info'
)
KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO'), (
- KCSubTypeElement('loadAddress', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0),
- KCSubTypeElement('imageUUID', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 4, 1, _get_uuid_json_data)
+ KCSubTypeElement('imageLoadAddress', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0),
+ KCSubTypeElement('imageUUID', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 4, 1)
),
'dyld_load_info'
)
-KNOWN_TYPES_COLLECTION[0x908] = KCTypeDescription.FromKCTypeDescription(KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO64')], 0x908, 'shared_cache_dyld_info')
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_SHAREDCACHE_LOADINFO')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_SHAREDCACHE_LOADINFO'), (
+ KCSubTypeElement('imageLoadAddress', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0),
+ KCSubTypeElement('imageUUID', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 8, 1),
+ KCSubTypeElement('imageSlidBaseAddress', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 24, 0),
+),
+ 'shared_cache_dyld_load_info',
+ legacy_size = 0x18
+)
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERNELCACHE_LOADINFO')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_KERNELCACHE_LOADINFO'), (
+ KCSubTypeElement('imageLoadAddress', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0),
+ KCSubTypeElement('imageUUID', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 8, 1),
+),
+ 'kernelcache_load_info'
+)
KNOWN_TYPES_COLLECTION[0x33] = KCSubTypeElement('mach_absolute_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0, KCSubTypeElement._get_naked_element_value)
KNOWN_TYPES_COLLECTION[0x907] = KCSubTypeElement.FromBasicCtype('donating_pids', KCSUBTYPE_TYPE.KC_ST_INT32)
'kernel_stack_frames'
)
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKLR')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKLR'), (
+ KCSubTypeElement.FromBasicCtype('lr', KCSUBTYPE_TYPE.KC_ST_UINT32),
+),
+ 'kernel_stack_frames'
+)
+
+
KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_USER_STACKFRAME')] = KCTypeDescription.FromKCTypeDescription(
KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME')],
GetTypeForName('STACKSHOT_KCTYPE_USER_STACKFRAME'),
'user_stack_frames'
)
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_USER_STACKLR')] = KCTypeDescription.FromKCTypeDescription(
+ KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKLR')],
+ GetTypeForName('STACKSHOT_KCTYPE_USER_STACKLR'),
+ 'user_stack_frames'
+)
+
KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME64')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME64'), (
KCSubTypeElement.FromBasicCtype('lr', KCSUBTYPE_TYPE.KC_ST_UINT64),
KCSubTypeElement.FromBasicCtype('sp', KCSUBTYPE_TYPE.KC_ST_UINT64, 8)
'user_stack_frames'
)
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKLR64')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKLR64'), (
+ KCSubTypeElement.FromBasicCtype('lr', KCSUBTYPE_TYPE.KC_ST_UINT64),
+),
+ 'kernel_stack_frames'
+)
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_USER_STACKLR64')] = KCTypeDescription.FromKCTypeDescription(
+ KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKLR64')],
+ GetTypeForName('STACKSHOT_KCTYPE_USER_STACKLR64'),
+ 'user_stack_frames'
+)
+
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_NONRUNNABLE_TIDS')] = KCSubTypeElement.FromBasicCtype('nonrunnable_threads', KCSUBTYPE_TYPE.KC_ST_INT64)
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_NONRUNNABLE_TASKS')] = KCSubTypeElement.FromBasicCtype('nonrunnable_tasks', KCSUBTYPE_TYPE.KC_ST_INT64)
+
KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_OSVERSION')] = KCSubTypeElement('osversion', KCSUBTYPE_TYPE.KC_ST_CHAR,
KCSubTypeElement.GetSizeForArray(256, 1), 0, 1)
-KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_BOOTARGS')] = KCSubTypeElement('bootargs', KCSUBTYPE_TYPE.KC_ST_CHAR,
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_BOOTARGS')] = KCSubTypeElement('boot_args', KCSUBTYPE_TYPE.KC_ST_CHAR,
KCSubTypeElement.GetSizeForArray(256, 1), 0, 1)
KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_PAGE_SIZE')] = KCSubTypeElement('kernel_page_size', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0, KCSubTypeElement._get_naked_element_value)
KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_JETSAM_LEVEL')] = KCSubTypeElement('jetsam_level', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0, KCSubTypeElement._get_naked_element_value)
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_DELTA_SINCE_TIMESTAMP')] = KCSubTypeElement("stackshot_delta_since_timestamp", KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0, KCSubTypeElement._get_naked_element_value)
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_STACKSHOT_FAULT_STATS')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_STACKSHOT_FAULT_STATS'),
+ (
+ KCSubTypeElement.FromBasicCtype('sfs_pages_faulted_in', KCSUBTYPE_TYPE.KC_ST_UINT32, 0),
+ KCSubTypeElement.FromBasicCtype('sfs_time_spent_faulting', KCSUBTYPE_TYPE.KC_ST_UINT64, 4),
+ KCSubTypeElement.FromBasicCtype('sfs_system_max_fault_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 12),
+ KCSubTypeElement.FromBasicCtype('sfs_stopped_faulting', KCSUBTYPE_TYPE.KC_ST_UINT8, 20)
+ ),
+ 'stackshot_fault_stats')
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_THREAD_WAITINFO')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_THREAD_WAITINFO'),
+ (
+ KCSubTypeElement.FromBasicCtype('owner', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('waiter', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ KCSubTypeElement.FromBasicCtype('context', KCSUBTYPE_TYPE.KC_ST_UINT64, 16),
+ KCSubTypeElement.FromBasicCtype('wait_type', KCSUBTYPE_TYPE.KC_ST_UINT8, 24)
+ ),
+ 'thread_waitinfo')
#KNOWN_TYPES_COLLECTION[0x907] = KCSubTypeElement('donating_pids', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0, KCSubTypeElement._get_naked_element_value)
KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PID')] = KCSubTypeElement('pid', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0)
KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_RESPONSIBLE_PID')] = KCSubTypeElement('responsible_pid', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0)
KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_DIRTY_FLAGS')] = KCSubTypeElement('dirty_flags', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0)
KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_CRASHED_THREADID')] = KCSubTypeElement('crashed_threadid', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0)
+KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_COALITION_ID')] = KCSubTypeElement('coalition_id', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0)
KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PROC_STATUS')] = KCSubTypeElement('p_status', KCSUBTYPE_TYPE.KC_ST_UINT8, 1, 0, 0)
),
'proc_uniqidentifierinfo')
-KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_EXCEPTION_CODES')] = KCSubTypeElement('TASK_CRASHINFO_EXCEPTION_CODES', KCSUBTYPE_TYPE.KC_ST_INT64,
- KCSubTypeElement.GetSizeForArray(2,8), 0, 1)
+KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_EXCEPTION_CODES')] = (
+ KCTypeDescription(GetTypeForName('TASK_CRASHINFO_EXCEPTION_CODES'),
+ (KCSubTypeElement.FromBasicCtype('code_0', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('code_1', KCSUBTYPE_TYPE.KC_ST_UINT64, 8)),
+ 'mach_exception_data_t'))
+
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PROC_STARTTIME')] = (
+ KCTypeDescription(GetTypeForName('TASK_CRASHINFO_PROC_STARTTIME'),
+ (KCSubTypeElement.FromBasicCtype('tv_sec', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('tv_usec', KCSUBTYPE_TYPE.KC_ST_UINT64, 8)),
+ 'proc_starttime'))
+
KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_RUSAGE_INFO')] = KCTypeDescription(GetTypeForName('TASK_CRASHINFO_RUSAGE_INFO'),
(
KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_utility', KCSUBTYPE_TYPE.KC_ST_UINT64, 184),
KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_legacy', KCSUBTYPE_TYPE.KC_ST_UINT64, 192),
KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_user_initiated', KCSUBTYPE_TYPE.KC_ST_UINT64, 200),
- KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_user_interactive', KCSUBTYPE_TYPE.KC_ST_UINT64, 208),
+ KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_user_interactiv', KCSUBTYPE_TYPE.KC_ST_UINT64, 208),
KCSubTypeElement.FromBasicCtype('ri_billed_system_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 216),
KCSubTypeElement.FromBasicCtype('ri_serviced_system_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 224)
),
- 'rusage_info_v3')
+ 'rusage_info')
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_CPU_TIMES')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_CPU_TIMES'),
+ (
+ KCSubTypeElement.FromBasicCtype('user_usec', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('system_usec', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ ), 'cpu_times')
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_STACKSHOT_DURATION')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_STACKSHOT_DURATION'),
+ (
+ KCSubTypeElement.FromBasicCtype('stackshot_duration', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('stackshot_duration_outer', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ ), 'stackshot_duration', merge=True
+)
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_PROCNAME')] = (
+ KCSubTypeElement("proc_name", KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(-1, 1), 0, 1))
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_PID')] = (
+ KCSubTypeElement('pid', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0))
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('EXIT_REASON_SNAPSHOT')] = KCTypeDescription(GetTypeForName('EXIT_REASON_SNAPSHOT'),
+ (
+ KCSubTypeElement.FromBasicCtype('ers_namespace', KCSUBTYPE_TYPE.KC_ST_UINT32, 0),
+ KCSubTypeElement.FromBasicCtype('ers_code', KCSUBTYPE_TYPE.KC_ST_UINT64, 4),
+ KCSubTypeElement.FromBasicCtype('ers_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 12),
+ ), 'exit_reason_basic_info')
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('EXIT_REASON_USER_DESC')] = (
+ KCSubTypeElement("exit_reason_user_description", KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(-1, 1), 0, 1))
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('EXIT_REASON_USER_PAYLOAD')] = KCSubTypeElement('exit_reason_user_payload',
+ KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(-1, 1), 0, 1)
+
+KNOWN_TYPES_COLLECTION[GetTypeForName('EXIT_REASON_CODESIGNING_INFO')] = KCTypeDescription(GetTypeForName('EXIT_REASON_CODESIGNING_INFO'),
+ (
+ KCSubTypeElement.FromBasicCtype('ceri_virt_addr', KCSUBTYPE_TYPE.KC_ST_UINT64, 0),
+ KCSubTypeElement.FromBasicCtype('ceri_file_offset', KCSUBTYPE_TYPE.KC_ST_UINT64, 8),
+ KCSubTypeElement("ceri_pathname", KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(1024, 1), 16, 1),
+ KCSubTypeElement("ceri_filename", KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(1024, 1), 1040, 1),
+ KCSubTypeElement.FromBasicCtype('ceri_codesig_modtime_secs', KCSUBTYPE_TYPE.KC_ST_UINT64, 2064),
+ KCSubTypeElement.FromBasicCtype('ceri_codesig_modtime_nsecs', KCSUBTYPE_TYPE.KC_ST_UINT64, 2072),
+ KCSubTypeElement.FromBasicCtype('ceri_page_modtime_secs', KCSUBTYPE_TYPE.KC_ST_UINT64, 2080),
+ KCSubTypeElement.FromBasicCtype('ceri_page_modtime_nsecs', KCSUBTYPE_TYPE.KC_ST_UINT64, 2088),
+ KCSubTypeElement.FromBasicCtype('ceri_path_truncated', KCSUBTYPE_TYPE.KC_ST_UINT8, 2096),
+ KCSubTypeElement.FromBasicCtype('ceri_object_codesigned', KCSUBTYPE_TYPE.KC_ST_UINT8, 2097),
+ KCSubTypeElement.FromBasicCtype('ceri_page_codesig_validated', KCSUBTYPE_TYPE.KC_ST_UINT8, 2098),
+ KCSubTypeElement.FromBasicCtype('ceri_page_codesig_tainted', KCSUBTYPE_TYPE.KC_ST_UINT8, 2099),
+ KCSubTypeElement.FromBasicCtype('ceri_page_codesig_nx', KCSUBTYPE_TYPE.KC_ST_UINT8, 2100),
+ KCSubTypeElement.FromBasicCtype('ceri_page_wpmapped', KCSUBTYPE_TYPE.KC_ST_UINT8, 2101),
+ KCSubTypeElement.FromBasicCtype('ceri_page_slid', KCSUBTYPE_TYPE.KC_ST_UINT8, 2102),
+ KCSubTypeElement.FromBasicCtype('ceri_page_dirty', KCSUBTYPE_TYPE.KC_ST_UINT8, 2103),
+ KCSubTypeElement.FromBasicCtype('ceri_page_shadow_depth', KCSUBTYPE_TYPE.KC_ST_UINT32, 2104),
+ ), 'exit_reason_codesigning_info')
+
def GetSecondsFromMATime(mat, tb):
- return (float(mat) * tb['numerator']) / tb['denominator']
+ return (float(mat) * tb['numer']) / tb['denom']
def FindLibraryForAddress(liblist, address):
current_lib = None
retval.append("TH_IDLE")
return retval
+
+def format_uuid(elementValues):
+ return ''.join("%02x" % i for i in elementValues)
+
def SaveStackshotReport(j, outfile_name, dsc_uuid, dsc_libs_arr):
import time
from operator import itemgetter, attrgetter
- ss = j.get('KCDATA_BUFFER_BEGIN_STACKSHOT')
+ ss = j.get('kcdata_stackshot')
if not ss:
print "No KCDATA_BUFFER_BEGIN_STACKSHOT object found. Skipping writing report."
return
timestamp = ss.get('usecs_since_epoch', int(time.time()))
timestamp = time.strftime("%Y-%m-%d %H:%M:%S %z",time.gmtime(timestamp))
os_version = ss.get('osversion', 'Unknown')
- timebase = ss.get('timebase_info', {"denominator": 1, "numerator": 1})
- dsc_common = [ss.get('shared_cache_dyld_info')['imageUUID'].strip('<>'),
- ss.get('shared_cache_dyld_info')['loadAddress'],
- "C"
+ timebase = ss.get('mach_timebase_info', {"denom": 1, "numer": 1})
+ if not dsc_uuid and 'imageSlidBaseAddress' not in ss.get('shared_cache_dyld_load_info'):
+ print "Stackshot format does not include slid shared cache base address and no UUID provided. Skipping writing report."
+ return
+
+ # If a shared cache UUID is provided, treat the slide as the base address
+ # for compatibility with existing tools that operate based on this logic
+ if dsc_uuid:
+ shared_cache_base_addr = ss.get('shared_cache_dyld_load_info')['imageLoadAddress']
+ elif 'imageSlidBaseAddress' in ss.get('shared_cache_dyld_load_info'):
+ shared_cache_base_addr = ss.get('shared_cache_dyld_load_info')['imageSlidBaseAddress']
+ else:
+ print "No shared cache UUID provided and data doesn't include imageSlidBaseAddress. Skipping writing report."
+ return
+
+ dsc_common = [format_uuid(ss.get('shared_cache_dyld_load_info')['imageUUID']),
+ shared_cache_base_addr,
+ "S"
]
dsc_libs = []
_addr = int(i[0], 16) + _load_addr
dsc_libs.append([_uuid, _addr, "P"])
#print "adding ", [_uuid, _addr, "C"]
+ elif dsc_uuid:
+ print "Provided shared cache UUID does not match. Skipping writing report."
+ return
AllImageCatalog = []
obj = {}
obj["reason"] = "kernel panic stackshot"
obj["incident"] = "ABCDEFGH-1234-56IJ-789K-0LMNOPQRSTUV"
obj["crashReporterKey"] = "12ab34cd45aabbccdd6712ab34cd45aabbccdd67"
- obj["bootArgs"] = ss.get('bootargs','')
+ obj["bootArgs"] = ss.get('boot_args','')
obj["frontmostPids"] = [0]
obj["exception"] = "0xDEADF157"
obj["processByPid"] = {}
processByPid = obj["processByPid"]
- ssplist = ss.get('STACKSHOT_KCCONTAINER_TASK', {})
+ ssplist = ss.get('task_snapshots', {})
kern_load_info = []
if "0" in ssplist:
+ kc_uuid = ssplist["0"].get('kernelcache_load_info', None)
+ if kc_uuid:
+ kernelcache_uuid = [format_uuid(kc_uuid['imageUUID']), kc_uuid['imageLoadAddress'], "U" ]
+ kern_load_info.append(kernelcache_uuid)
+
kl_infos = ssplist["0"].get("dyld_load_info", [])
for dlinfo in kl_infos:
- kern_load_info.append([dlinfo['imageUUID'].strip('<>'), dlinfo['loadAddress'], "K"])
+ kern_load_info.append([format_uuid(dlinfo['imageUUID']), dlinfo['imageLoadAddress'], "K"])
for pid,piddata in ssplist.iteritems():
processByPid[str(pid)] = {}
tsnap = processByPid[str(pid)]
pr_lib_dsc = dsc_common
- if 'shared_cache_dyld_info' in tsnap:
- pr_lib_dsc = [tsnap.get('shared_cache_dyld_info')['imageUUID'].strip('<>'),
- tsnap.get('shared_cache_dyld_info')['loadAddress'],
- "C"
+ if 'shared_cache_dyld_load_info' in tsnap:
+ if 'imageSlidBaseAddress' in tsnap.get('shared_cache_dyld_load_info'):
+ shared_cache_base_addr = tsnap.get('shared_cache_dyld_load_info')['imageSlidBaseAddress']
+ else:
+ print "Specific task shared cache format does not include slid shared cache base address. Skipping writing report."
+ return
+
+ pr_lib_dsc = [format_uuid(tsnap.get('shared_cache_dyld_load_info')['imageUUID']),
+ tsnap.get('shared_cache_dyld_load_info')['imageSlidBaseAddress'],
+ "S"
]
pr_libs = []
pr_libs = []
else:
for dlinfo in piddata.get('dyld_load_info',[]):
- pr_libs.append([dlinfo['imageUUID'].strip('<>'), dlinfo['loadAddress'], _lib_type])
+ pr_libs.append([format_uuid(dlinfo['imageUUID']), dlinfo['imageLoadAddress'], _lib_type])
pr_libs.extend(kern_load_info)
pr_libs.extend(dsc_libs)
pr_libs.sort(key=itemgetter(1))
- tasksnap = piddata['task_snapshot_v2']
- tsnap["pid"] = tasksnap["pid"]
- tsnap["residentMemoryBytes"] = tasksnap["task_size"]
- tsnap["timesDidThrottle"] = tasksnap["did_throttle"]
- tsnap["systemTimeTask"] = GetSecondsFromMATime(tasksnap["system_time_in_terminated_threads"], timebase)
- tsnap["pageIns"] = tasksnap["pageins"]
- tsnap["pageFaults"] = tasksnap["faults"]
- tsnap["userTimeTask"] = GetSecondsFromMATime(tasksnap["user_time_in_terminated_threads"], timebase)
- tsnap["procname"] = tasksnap["p_comm"]
- tsnap["copyOnWriteFaults"] = tasksnap["cow_faults"]
- tsnap["timesThrottled"] = tasksnap["was_throttled"]
+ tasksnap = piddata['task_snapshot']
+ tsnap["pid"] = tasksnap["ts_pid"]
+ tsnap["residentMemoryBytes"] = tasksnap["ts_task_size"]
+ tsnap["timesDidThrottle"] = tasksnap["ts_did_throttle"]
+ tsnap["systemTimeTask"] = GetSecondsFromMATime(tasksnap["ts_system_time_in_terminated_th"], timebase)
+ tsnap["pageIns"] = tasksnap["ts_pageins"]
+ tsnap["pageFaults"] = tasksnap["ts_faults"]
+ tsnap["userTimeTask"] = GetSecondsFromMATime(tasksnap[ "ts_user_time_in_terminated_thre"], timebase)
+ tsnap["procname"] = tasksnap["ts_p_comm"]
+ tsnap["copyOnWriteFaults"] = tasksnap["ts_cow_faults"]
+ tsnap["timesThrottled"] = tasksnap["ts_was_throttled"]
tsnap["threadById"] = {}
threadByID = tsnap["threadById"]
- thlist = piddata.get('STACKSHOT_KCCONTAINER_THREAD', {})
+ thlist = piddata.get('thread_snapshots', {})
for tid,thdata in thlist.iteritems():
threadByID[str(tid)] = {}
thsnap = threadByID[str(tid)]
- if "thread_snapshot_v2" not in thdata:
+ if "thread_snapshot" not in thdata:
print "Found broken thread state for thread ID: %s." % tid
break
- threadsnap = thdata["thread_snapshot_v2"]
- thsnap["userTime"] = GetSecondsFromMATime(threadsnap["user_time"], timebase)
- thsnap["id"] = threadsnap["thread_id"]
- thsnap["basePriority"] = threadsnap["base_priority"]
- thsnap["systemTime"] = threadsnap["sys_time"]
- thsnap["schedPriority"] = threadsnap["sched_priority"]
- thsnap["state"] = GetStateDescription(threadsnap['state'])
- thsnap["qosEffective"] = threadsnap["ts_eqos"]
- thsnap["qosRequested"] = threadsnap["ts_rqos"]
-
- if threadsnap['continuation']:
- thsnap["continuation"] = GetSymbolInfoForFrame(AllImageCatalog, pr_libs, threadsnap['continuation'])
+ threadsnap = thdata["thread_snapshot"]
+ thsnap["userTime"] = GetSecondsFromMATime(threadsnap["ths_user_time"], timebase)
+ thsnap["id"] = threadsnap["ths_thread_id"]
+ thsnap["basePriority"] = threadsnap["ths_base_priority"]
+ thsnap["systemTime"] = threadsnap["ths_sys_time"]
+ thsnap["schedPriority"] = threadsnap["ths_sched_priority"]
+ thsnap["state"] = GetStateDescription(threadsnap['ths_state'])
+ thsnap["qosEffective"] = threadsnap["ths_eqos"]
+ thsnap["qosRequested"] = threadsnap["ths_rqos"]
+
+ if threadsnap['ths_continuation']:
+ thsnap["continuation"] = GetSymbolInfoForFrame(AllImageCatalog, pr_libs, threadsnap['ths_continuation'])
if "kernel_stack_frames" in thdata:
kuserframes = []
for f in thdata["kernel_stack_frames"]:
for f in thdata["user_stack_frames"]:
uframes.append(GetSymbolInfoForFrame(AllImageCatalog, pr_libs, f['lr']))
thsnap["userFrames"] = uframes
- if threadsnap['wait_event']:
- thsnap["waitEvent"] = GetSymbolInfoForFrame(AllImageCatalog, pr_libs, threadsnap['wait_event'])
+ if threadsnap['ths_wait_event']:
+ thsnap["waitEvent"] = GetSymbolInfoForFrame(AllImageCatalog, pr_libs, threadsnap['ths_wait_event'])
obj['binaryImages'] = AllImageCatalog
fh = open(outfile_name, "w")
return None
uuid = so.splitlines()[0].split(": ")[-1].strip().replace("-","").lower()
-
+
(c, so) = RunCommand("{} -text_info {}".format(dyld_shared_cache_util, shared_cache_file_path))
if c:
print "Failed to get text_info from %s" % shared_cache_file_path
print so
return None
-
+
print "Found %s uuid: %s" % (shared_cache_file_path, uuid)
text_info = so
help="Generate a stackshot report file",
dest="stackshot_file")
+parser.add_argument("--multiple", help="look for multiple stackshots in a single file", action='store_true')
+
+parser.add_argument("-p", "--plist", required=False, default=False,
+ help="output as plist", action="store_true")
+
parser.add_argument("-U", "--uuid", required=False, default="", help="UUID of dyld shared cache to be analysed and filled in libs of stackshot report", dest="uuid")
parser.add_argument("-L", "--layout", required=False, type=argparse.FileType("r"), help="Path to layout file for DyldSharedCache. You can generate one by doing \n\tbash$xcrun -sdk <sdk> dyld_shared_cache_util -text_info </path/to/dyld_shared_cache> ", dest="layout")
parser.add_argument("-S", "--sdk", required=False, default="", help="sdk property passed to xcrun command to find the required tools. Default is empty string.", dest="sdk")
parser.add_argument("-D", "--dyld_shared_cache", required=False, default="", help="Path to dyld_shared_cache built by B&I", dest="dsc")
parser.add_argument("kcdata_file", type=argparse.FileType('r'), help="Path to a kcdata binary file.")
+class VerboseAction(argparse.Action):
+ def __call__(self, parser, namespace, values, option_string=None):
+ logging.basicConfig(level=logging.INFO, stream=sys.stderr, format='%(message)s')
+parser.add_argument('-v', "--verbose", action=VerboseAction, nargs=0)
+
+@contextlib.contextmanager
+def data_from_stream(stream):
+ try:
+ fmap = mmap.mmap(stream.fileno(), 0, mmap.MAP_SHARED, mmap.PROT_READ)
+ except:
+ yield stream.read()
+ else:
+ try:
+ yield fmap
+ finally:
+ fmap.close()
+
+def iterate_kcdatas(kcdata_file):
+ with data_from_stream(kcdata_file) as data:
+ iterator = kcdata_item_iterator(data)
+ kcdata_buffer = KCObject.FromKCItem(iterator.next())
+ if not isinstance(kcdata_buffer, KCBufferObject):
+ try:
+ decoded = base64.b64decode(data)
+ except:
+ pass
+ else:
+ iterator = kcdata_item_iterator(decoded)
+ kcdata_buffer = KCObject.FromKCItem(iterator.next())
+ if not isinstance(kcdata_buffer, KCBufferObject):
+ import gzip
+ from io import BytesIO
+ try:
+ decompressed = gzip.GzipFile(fileobj=BytesIO(data[:])).read()
+ except:
+ pass
+ else:
+ iterator = kcdata_item_iterator(decompressed)
+ kcdata_buffer = KCObject.FromKCItem(iterator.next())
+ if not isinstance(kcdata_buffer, KCBufferObject):
+ raise Exception, "unknown file type"
+
+ kcdata_buffer.ReadItems(iterator)
+ yield kcdata_buffer
+
+ for magic in iterator:
+ kcdata_buffer = KCObject.FromKCItem(magic)
+ if not isinstance(kcdata_buffer, KCBufferObject):
+ raise Exception, "unknown file type"
+ kcdata_buffer.ReadItems(iterator)
+ yield kcdata_buffer
+
if __name__ == '__main__':
args = parser.parse_args()
+ if args.multiple and args.stackshot_file:
+ raise NotImplementedError
+
if args.list_known_types:
for (n, t) in KNOWN_TYPES_COLLECTION.items():
print "%d : %s " % (n, str(t))
sys.exit(1)
- file_name = args.kcdata_file.name
- master_objs = []
- master_container = None
- current_container = None
- for i in kcdata_item_iterator(file_name):
- #print "processed " + str(i)
- o = KCObject.FromKCItem(i)
- if o.IsContainerType():
- o = KCContainerObject(i.i_type, i.i_data, i.i_flags)
-
- if current_container is None:
- master_objs.append(o)
- current_container = o
- master_container = o
- else:
- current_container.AddObject(o)
+ for i,kcdata_buffer in enumerate(iterate_kcdatas(args.kcdata_file)):
+ if i > 0 and not args.multiple:
+ break
- if o.IsContainerType():
- master_objs.append(current_container)
- current_container = o
+ str_data = "{" + kcdata_buffer.GetJsonRepr() + "}"
+ str_data = str_data.replace("\t", " ")
+
+ try:
+ json_obj = json.loads(str_data)
+ except:
+ print >>sys.stderr, "JSON reparsing failed! Printing string data!\n"
+ import textwrap
+ print textwrap.fill(str_data, 100)
+ raise
- if o.IsContainerEnd():
- current_container = master_objs.pop()
- str_data = "{" + master_container.GetJsonRepr() + "}"
- try:
- json_obj = json.loads(str_data)
dsc_uuid = None
dsc_libs_arr = []
libs_re = re.compile("^\s*(0x[a-fA-F0-9]+)\s->\s(0x[a-fA-F0-9]+)\s+<([a-fA-F0-9\-]+)>\s+.*$", re.MULTILINE)
if args.stackshot_file:
SaveStackshotReport(json_obj, args.stackshot_file, dsc_uuid, dsc_libs_arr)
+ elif args.plist:
+ import Foundation
+ plist = Foundation.NSPropertyListSerialization.dataWithPropertyList_format_options_error_(
+ json_obj, Foundation.NSPropertyListXMLFormat_v1_0, 0, None)[0].bytes().tobytes()
+ #sigh. on some pythons long integers are getting output with L's in the plist.
+ plist = re.sub(r'^(\s*<integer>\d+)L(</integer>\s*)$', r"\1\2", plist, flags=re.MULTILINE)
+ print plist,
else:
print json.dumps(json_obj, sort_keys=True, indent=4, separators=(',', ': '))
-
- except Exception, e:
- raise
- print e
- print "--------------------------------------------"*3
- print str_data
projects / apple / xnu.git / blobdiff