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|
# Copyright (C) 2016 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
import inspect
import os
import sys
import cdbext
import re
import threading
from utils import TypeCode
sys.path.insert(1, os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))))
from dumper import DumperBase, SubItem, Children, DisplayFormat, UnnamedSubItem
class FakeVoidType(cdbext.Type):
def __init__(self, name, dumper):
cdbext.Type.__init__(self)
self.typeName = name.strip()
self.dumper = dumper
def name(self):
return self.typeName
def bitsize(self):
return self.dumper.ptrSize() * 8
def code(self):
if self.typeName.endswith('*'):
return TypeCode.Pointer
if self.typeName.endswith(']'):
return TypeCode.Array
return TypeCode.Void
def unqualified(self):
return self
def target(self):
code = self.code()
if code == TypeCode.Pointer:
return FakeVoidType(self.typeName[:-1], self.dumper)
if code == TypeCode.Void:
return self
try:
return FakeVoidType(self.typeName[:self.typeName.rindex('[')], self.dumper)
except:
return FakeVoidType('void', self.dumper)
def targetName(self):
return self.target().name()
def arrayElements(self):
try:
return int(self.typeName[self.typeName.rindex('[') + 1:self.typeName.rindex(']')])
except:
return 0
def stripTypedef(self):
return self
def fields(self):
return []
def templateArgument(self, pos, numeric):
return None
def templateArguments(self):
return []
class Dumper(DumperBase):
def __init__(self):
DumperBase.__init__(self)
self.outputLock = threading.Lock()
self.isCdb = True
def enumValue(self, nativeValue):
val = nativeValue.nativeDebuggerValue()
# remove '0n' decimal prefix of the native cdb value output
return val.replace('(0n', '(')
def fromNativeValue(self, nativeValue):
self.check(isinstance(nativeValue, cdbext.Value))
val = self.Value(self)
val.name = nativeValue.name()
# There is no cdb api for the size of bitfields.
# Workaround this issue by parsing the native debugger text for integral types.
if nativeValue.type().code() == TypeCode.Integral:
try:
integerString = nativeValue.nativeDebuggerValue()
except UnicodeDecodeError:
integerString = '' # cannot decode - read raw
if integerString == 'true':
val.ldata = int(1).to_bytes(1, byteorder='little')
elif integerString == 'false':
val.ldata = int(0).to_bytes(1, byteorder='little')
else:
integerString = integerString.replace('`', '')
integerString = integerString.split(' ')[0]
if integerString.startswith('0n'):
integerString = integerString[2:]
base = 10
elif integerString.startswith('0x'):
base = 16
else:
base = 10
signed = not nativeValue.type().name().startswith('unsigned')
try:
val.ldata = int(integerString, base).to_bytes((nativeValue.type().bitsize() +7) // 8,
byteorder='little', signed=signed)
except:
# read raw memory in case the integerString can not be interpreted
pass
if nativeValue.type().code() == TypeCode.Enum:
val.ldisplay = self.enumValue(nativeValue)
elif not nativeValue.type().resolved and nativeValue.type().code() == TypeCode.Struct and not nativeValue.hasChildren():
val.ldisplay = self.enumValue(nativeValue)
val.isBaseClass = val.name == nativeValue.type().name()
val.nativeValue = nativeValue
val.laddress = nativeValue.address()
val.lbitsize = nativeValue.bitsize()
return val
def nativeTypeId(self, nativeType):
self.check(isinstance(nativeType, cdbext.Type))
name = nativeType.name()
if name is None or len(name) == 0:
c = '0'
elif name == 'struct {...}':
c = 's'
elif name == 'union {...}':
c = 'u'
else:
return name
typeId = c + ''.join(['{%s:%s}' % (f.name(), self.nativeTypeId(f.type()))
for f in nativeType.fields()])
return typeId
def nativeValueType(self, nativeValue):
return self.fromNativeType(nativeValue.type())
def fromNativeType(self, nativeType):
self.check(isinstance(nativeType, cdbext.Type))
typeId = self.nativeTypeId(nativeType)
if self.typeData.get(typeId, None) is not None:
return self.Type(self, typeId)
if nativeType.name().startswith('void'):
nativeType = FakeVoidType(nativeType.name(), self)
code = nativeType.code()
if code == TypeCode.Pointer:
if nativeType.name().startswith('<function>'):
code = TypeCode.Function
elif nativeType.targetName() != nativeType.name():
return self.createPointerType(nativeType.targetName())
if code == TypeCode.Array:
# cdb reports virtual function tables as arrays those ar handled separetly by
# the DumperBase. Declare those types as structs prevents a lookup to a
# none existing type
if not nativeType.name().startswith('__fptr()') and not nativeType.name().startswith('<gentype '):
targetName = nativeType.targetName()
count = nativeType.arrayElements()
if targetName.endswith(']'):
(prefix, suffix, inner_count) = self.splitArrayType(targetName)
type_name = '%s[%d][%d]%s' % (prefix, count, inner_count, suffix)
else:
type_name = '%s[%d]' % (targetName, count)
tdata = self.TypeData(self, typeId)
tdata.name = type_name
tdata.code = TypeCode.Array
tdata.ltarget = targetName
tdata.lbitsize = lambda: nativeType.bitsize()
return self.Type(self, typeId)
code = TypeCode.Struct
tdata = self.TypeData(self, typeId)
tdata.name = nativeType.name()
tdata.lbitsize = lambda: nativeType.bitsize()
tdata.code = code
tdata.moduleName = lambda: nativeType.module()
if code == TypeCode.Struct:
tdata.lfields = lambda value: \
self.listFields(nativeType, value)
tdata.lalignment = lambda: \
self.nativeStructAlignment(nativeType)
tdata.enumDisplay = lambda intval, addr, form: \
self.nativeTypeEnumDisplay(nativeType, intval, form)
tdata.templateArguments = lambda: \
self.listTemplateParameters(nativeType.name())
return self.Type(self, typeId)
def listNativeValueChildren(self, nativeValue):
index = 0
nativeMember = nativeValue.childFromIndex(index)
while nativeMember:
if nativeMember.address() != 0:
yield self.fromNativeValue(nativeMember)
index += 1
nativeMember = nativeValue.childFromIndex(index)
def listValueChildren(self, value):
nativeValue = value.nativeValue
if nativeValue is None:
nativeValue = cdbext.createValue(value.address(), self.lookupNativeType(value.type.name, 0))
return self.listNativeValueChildren(nativeValue)
def listFields(self, nativeType, value):
nativeValue = value.nativeValue
if nativeValue is None:
nativeValue = cdbext.createValue(value.address(), nativeType)
return self.listNativeValueChildren(nativeValue)
def nativeStructAlignment(self, nativeType):
#DumperBase.warn("NATIVE ALIGN FOR %s" % nativeType.name)
def handleItem(nativeFieldType, align):
a = self.fromNativeType(nativeFieldType).alignment()
return a if a > align else align
align = 1
for f in nativeType.fields():
align = handleItem(f.type(), align)
return align
def nativeTypeEnumDisplay(self, nativeType, intval, form):
value = self.nativeParseAndEvaluate('(%s)%d' % (nativeType.name(), intval))
if value is None:
return ''
return self.enumValue(value)
def enumExpression(self, enumType, enumValue):
ns = self.qtNamespace()
return ns + "Qt::" + enumType + "(" \
+ ns + "Qt::" + enumType + "::" + enumValue + ")"
def pokeValue(self, typeName, *args):
return None
def parseAndEvaluate(self, exp):
return self.fromNativeValue(self.nativeParseAndEvaluate(exp))
def nativeParseAndEvaluate(self, exp):
return cdbext.parseAndEvaluate(exp)
def isWindowsTarget(self):
return True
def isQnxTarget(self):
return False
def isArmArchitecture(self):
return False
def isMsvcTarget(self):
return True
def qtCoreModuleName(self):
modules = cdbext.listOfModules()
# first check for an exact module name match
for coreName in ['Qt6Core', 'Qt6Cored', 'Qt5Cored', 'Qt5Core', 'QtCored4', 'QtCore4']:
if coreName in modules:
self.qtCoreModuleName = lambda: coreName
return coreName
# maybe we have a libinfix build.
for pattern in ['Qt6Core.*', 'Qt5Core.*', 'QtCore.*']:
matches = [module for module in modules if re.match(pattern, module)]
if matches:
coreName = matches[0]
self.qtCoreModuleName = lambda: coreName
return coreName
return None
def qtDeclarativeModuleName(self):
modules = cdbext.listOfModules()
for declarativeModuleName in ['Qt6Qmld', 'Qt6Qml', 'Qt5Qmld', 'Qt5Qml']:
if declarativeModuleName in modules:
self.qtDeclarativeModuleName = lambda: declarativeModuleName
return declarativeModuleName
matches = [module for module in modules if re.match('Qt[56]Qml.*', module)]
if matches:
declarativeModuleName = matches[0]
self.qtDeclarativeModuleName = lambda: declarativeModuleName
return declarativeModuleName
return None
def qtHookDataSymbolName(self):
hookSymbolName = 'qtHookData'
coreModuleName = self.qtCoreModuleName()
if coreModuleName is not None:
hookSymbolName = '%s!%s%s' % (coreModuleName, self.qtNamespace(), hookSymbolName)
else:
resolved = cdbext.resolveSymbol('*' + hookSymbolName)
if resolved:
hookSymbolName = resolved[0]
else:
hookSymbolName = '*%s' % hookSymbolName
self.qtHookDataSymbolName = lambda: hookSymbolName
return hookSymbolName
def qtDeclarativeHookDataSymbolName(self):
hookSymbolName = 'qtDeclarativeHookData'
declarativeModuleName = self.qtDeclarativeModuleName()
if declarativeModuleName is not None:
hookSymbolName = '%s!%s%s' % (declarativeModuleName, self.qtNamespace(), hookSymbolName)
else:
resolved = cdbext.resolveSymbol('*' + hookSymbolName)
if resolved:
hookSymbolName = resolved[0]
else:
hookSymbolName = '*%s' % hookSymbolName
self.qtDeclarativeHookDataSymbolName = lambda: hookSymbolName
return hookSymbolName
def qtNamespace(self):
namespace = ''
qstrdupSymbolName = '*qstrdup'
coreModuleName = self.qtCoreModuleName()
if coreModuleName is not None:
qstrdupSymbolName = '%s!%s' % (coreModuleName, qstrdupSymbolName)
resolved = cdbext.resolveSymbol(qstrdupSymbolName)
if resolved:
name = resolved[0].split('!')[1]
namespaceIndex = name.find('::')
if namespaceIndex > 0:
namespace = name[:namespaceIndex + 2]
self.qtNamespace = lambda: namespace
self.qtCustomEventFunc = self.parseAndEvaluate(
'%s!%sQObject::customEvent' %
(self.qtCoreModuleName(), namespace)).address()
self.qtNamespace = lambda: namespace
return namespace
def qtVersion(self):
qtVersion = None
try:
qtVersion = self.parseAndEvaluate(
'((void**)&%s)[2]' % self.qtHookDataSymbolName()).integer()
except:
if self.qtCoreModuleName() is not None:
try:
versionValue = cdbext.call(self.qtCoreModuleName() + '!qVersion()')
version = self.extractCString(self.fromNativeValue(versionValue).address())
(major, minor, patch) = version.decode('latin1').split('.')
qtVersion = 0x10000 * int(major) + 0x100 * int(minor) + int(patch)
except:
pass
if qtVersion is None:
qtVersion = self.fallbackQtVersion
self.qtVersion = lambda: qtVersion
return qtVersion
def putVtableItem(self, address):
funcName = cdbext.getNameByAddress(address)
if funcName is None:
self.putItem(self.createPointerValue(address, 'void'))
else:
self.putValue(funcName)
self.putType('void*')
self.putAddress(address)
def putVTableChildren(self, item, itemCount):
p = item.address()
for i in range(itemCount):
deref = self.extractPointer(p)
if deref == 0:
n = i
break
with SubItem(self, i):
self.putVtableItem(deref)
p += self.ptrSize()
return itemCount
def ptrSize(self):
size = cdbext.pointerSize()
self.ptrSize = lambda: size
return size
def stripQintTypedefs(self, typeName):
if typeName.startswith('qint'):
prefix = ''
size = typeName[4:]
elif typeName.startswith('quint'):
prefix = 'unsigned '
size = typeName[5:]
else:
return typeName
if size == '8':
return '%schar' % prefix
elif size == '16':
return '%sshort' % prefix
elif size == '32':
return '%sint' % prefix
elif size == '64':
return '%sint64' % prefix
else:
return typeName
def lookupType(self, typeNameIn, module=0):
if len(typeNameIn) == 0:
return None
typeName = self.stripQintTypedefs(typeNameIn)
if self.typeData.get(typeName, None) is None:
nativeType = self.lookupNativeType(typeName, module)
if nativeType is None:
return None
_type = self.fromNativeType(nativeType)
if _type.typeId != typeName:
self.registerTypeAlias(_type.typeId, typeName)
return _type
return self.Type(self, typeName)
def lookupNativeType(self, name, module=0):
if name.startswith('void'):
return FakeVoidType(name, self)
return cdbext.lookupType(name, module)
def reportResult(self, result, args):
cdbext.reportResult('result={%s}' % result)
def readRawMemory(self, address, size):
mem = cdbext.readRawMemory(address, size)
if len(mem) != size:
raise Exception("Invalid memory request: %d bytes from 0x%x" % (size, address))
return mem
def findStaticMetaObject(self, type):
ptr = 0
if type.moduleName is not None:
# Try to find the static meta object in the same module as the type definition. This is
# an optimization that improves the performance of looking up the meta object for not
# exported types.
ptr = cdbext.getAddressByName(type.moduleName + '!' + type.name + '::staticMetaObject')
if ptr == 0:
# If we do not find the meta object in the same module or we do not have the module name
# we fall back to the slow lookup over all modules.
ptr = cdbext.getAddressByName(type.name + '::staticMetaObject')
return ptr
def warn(self, msg):
self.put('{name="%s",value="",type="",numchild="0"},' % msg)
def fetchVariables(self, args):
self.resetStats()
(ok, res) = self.tryFetchInterpreterVariables(args)
if ok:
self.reportResult(res, args)
return
self.setVariableFetchingOptions(args)
self.output = []
self.currentIName = 'local'
self.put('data=[')
self.anonNumber = 0
variables = []
for val in cdbext.listOfLocals(self.partialVariable):
dumperVal = self.fromNativeValue(val)
dumperVal.lIsInScope = dumperVal.name not in self.uninitialized
variables.append(dumperVal)
self.handleLocals(variables)
self.handleWatches(args)
self.put('],partial="%d"' % (len(self.partialVariable) > 0))
self.put(',timings=%s' % self.timings)
if self.forceQtNamespace:
self.qtNamespaceToReport = self.qtNamespace()
if self.qtNamespaceToReport:
self.put(',qtnamespace="%s"' % self.qtNamespaceToReport)
self.qtNamespaceToReport = None
self.reportResult(''.join(self.output), args)
self.output = []
def report(self, stuff):
sys.stdout.write(stuff + "\n")
def findValueByExpression(self, exp):
return cdbext.parseAndEvaluate(exp)
def nativeDynamicTypeName(self, address, baseType):
return None # Does not work with cdb
def nativeValueDereferenceReference(self, value):
return self.nativeValueDereferencePointer(value)
def nativeValueDereferencePointer(self, value):
def nativeVtCastValue(nativeValue):
# If we have a pointer to a derived instance of the pointer type cdb adds a
# synthetic '__vtcast_<derived type name>' member as the first child
if nativeValue.hasChildren():
vtcastCandidate = nativeValue.childFromIndex(0)
vtcastCandidateName = vtcastCandidate.name()
if vtcastCandidateName.startswith('__vtcast_'):
# found a __vtcast member
# make sure that it is not an actual field
for field in nativeValue.type().fields():
if field.name() == vtcastCandidateName:
return None
return vtcastCandidate
return None
nativeValue = value.nativeValue
if nativeValue is None:
if not self.isExpanded():
raise Exception("Casting not expanded values is to expensive")
nativeValue = self.nativeParseAndEvaluate('(%s)0x%x' % (value.type.name, value.pointer()))
castVal = nativeVtCastValue(nativeValue)
if castVal is not None:
val = self.fromNativeValue(castVal)
else:
val = self.Value(self)
val.laddress = value.pointer()
val._type = DumperBase.Type(self, value.type.targetName)
val.nativeValue = value.nativeValue
return val
def callHelper(self, rettype, value, function, args):
raise Exception("cdb does not support calling functions")
def nameForCoreId(self, id):
for dll in ['Utilsd', 'Utils']:
idName = cdbext.call('%s!Utils::nameForId(%d)' % (dll, id))
if idName is not None:
break
return self.fromNativeValue(idName)
def putCallItem(self, name, rettype, value, func, *args):
return
def symbolAddress(self, symbolName):
res = self.nativeParseAndEvaluate(symbolName)
return None if res is None else res.address()
def putItemX(self, value):
#DumperBase.warn('PUT ITEM: %s' % value.stringify())
typeobj = value.type # unqualified()
typeName = typeobj.name
self.addToCache(typeobj) # Fill type cache
if not value.lIsInScope:
self.putSpecialValue('optimizedout')
#self.putType(typeobj)
#self.putSpecialValue('outofscope')
self.putNumChild(0)
return
if not isinstance(value, self.Value):
raise RuntimeError('WRONG TYPE IN putItem: %s' % type(self.Value))
# Try on possibly typedefed type first.
if self.tryPutPrettyItem(typeName, value):
if typeobj.code == TypeCode.Pointer:
self.putOriginalAddress(value.address())
else:
self.putAddress(value.address())
return
if typeobj.code == TypeCode.Pointer:
self.putFormattedPointer(value)
return
self.putAddress(value.address())
if value.lbitsize is not None:
self.putField('size', value.lbitsize // 8)
if typeobj.code == TypeCode.Function:
#DumperBase.warn('FUNCTION VALUE: %s' % value)
self.putType(typeobj)
self.putSymbolValue(value.pointer())
self.putNumChild(0)
return
if typeobj.code == TypeCode.Enum:
#DumperBase.warn('ENUM VALUE: %s' % value.stringify())
self.putType(typeobj.name)
self.putValue(value.display())
self.putNumChild(0)
return
if typeobj.code == TypeCode.Array:
#DumperBase.warn('ARRAY VALUE: %s' % value)
self.putCStyleArray(value)
return
if typeobj.code == TypeCode.Integral:
#DumperBase.warn('INTEGER: %s %s' % (value.name, value))
val = value.value()
self.putNumChild(0)
self.putValue(val)
self.putType(typeName)
return
if typeobj.code == TypeCode.Float:
#DumperBase.warn('FLOAT VALUE: %s' % value)
self.putValue(value.value())
self.putNumChild(0)
self.putType(typeobj.name)
return
if typeobj.code in (TypeCode.Reference, TypeCode.RValueReference):
#DumperBase.warn('REFERENCE VALUE: %s' % value)
val = value.dereference()
if val.laddress != 0:
self.putItem(val)
else:
self.putSpecialValue('nullreference')
self.putBetterType(typeName)
return
if typeobj.code == TypeCode.Complex:
self.putType(typeobj)
self.putValue(value.display())
self.putNumChild(0)
return
self.putType(typeName)
if value.summary is not None and self.useFancy:
self.putValue(self.hexencode(value.summary), 'utf8:1:0')
self.putNumChild(0)
return
self.putExpandable()
self.putEmptyValue()
#DumperBase.warn('STRUCT GUTS: %s ADDRESS: 0x%x ' % (value.name, value.address()))
if self.showQObjectNames:
#with self.timer(self.currentIName):
self.putQObjectNameValue(value)
if self.isExpanded():
self.putField('sortable', 1)
with Children(self):
baseIndex = 0
for item in self.listValueChildren(value):
if item.name.startswith('__vfptr'):
with SubItem(self, '[vptr]'):
# int (**)(void)
self.putType(' ')
self.putSortGroup(20)
self.putValue(item.name)
n = 100
if self.isExpanded():
with Children(self):
n = self.putVTableChildren(item, n)
self.putNumChild(n)
continue
if item.isBaseClass:
baseIndex += 1
# We cannot use nativeField.name as part of the iname as
# it might contain spaces and other strange characters.
with UnnamedSubItem(self, "@%d" % baseIndex):
self.putField('iname', self.currentIName)
self.putField('name', '[%s]' % item.name)
self.putSortGroup(1000 - baseIndex)
self.putAddress(item.address())
self.putItem(item)
continue
with SubItem(self, item.name):
self.putItem(item)
if self.showQObjectNames:
self.tryPutQObjectGuts(value)
def putFormattedPointerX(self, value: DumperBase.Value):
self.putOriginalAddress(value.address())
pointer = value.pointer()
self.putAddress(pointer)
if pointer == 0:
self.putType(value.type)
self.putValue('0x0')
return
typeName = value.type.name
try:
self.readRawMemory(pointer, 1)
except:
# Failure to dereference a pointer should at least
# show the value of a pointer.
#DumperBase.warn('BAD POINTER: %s' % value)
self.putValue('0x%x' % pointer)
self.putType(typeName)
return
if self.currentIName.endswith('.this'):
self.putDerefedPointer(value)
return
displayFormat = self.currentItemFormat(value.type.name)
if value.type.targetName == 'void':
#DumperBase.warn('VOID POINTER: %s' % displayFormat)
self.putType(typeName)
self.putSymbolValue(pointer)
return
if displayFormat == DisplayFormat.Raw:
# Explicitly requested bald pointer.
#DumperBase.warn('RAW')
self.putType(typeName)
self.putValue('0x%x' % pointer)
self.putExpandable()
if self.currentIName in self.expandedINames:
with Children(self):
with SubItem(self, '*'):
self.putItem(value.dereference())
return
limit = self.displayStringLimit
if displayFormat in (DisplayFormat.SeparateLatin1String, DisplayFormat.SeparateUtf8String):
limit = 1000000
if self.tryPutSimpleFormattedPointer(pointer, typeName,
value.type.targetName, displayFormat, limit):
self.putExpandable()
return
if DisplayFormat.Array10 <= displayFormat and displayFormat <= DisplayFormat.Array10000:
n = (10, 100, 1000, 10000)[displayFormat - DisplayFormat.Array10]
self.putType(typeName)
self.putItemCount(n)
self.putArrayData(value.pointer(), n, value.type.targetName)
return
#DumperBase.warn('AUTODEREF: %s' % self.autoDerefPointers)
#DumperBase.warn('INAME: %s' % self.currentIName)
if self.autoDerefPointers:
# Generic pointer type with AutomaticFormat, but never dereference char types:
if value.type.targetName not in (
'char',
'signed char',
'int8_t',
'qint8',
'unsigned char',
'uint8_t',
'quint8',
'wchar_t',
'CHAR',
'WCHAR',
'char8_t',
'char16_t',
'char32_t'
):
self.putDerefedPointer(value)
return
#DumperBase.warn('GENERIC PLAIN POINTER: %s' % value.type)
#DumperBase.warn('ADDR PLAIN POINTER: 0x%x' % value.laddress)
self.putType(typeName)
self.putSymbolValue(pointer)
self.putExpandable()
if self.currentIName in self.expandedINames:
with Children(self):
with SubItem(self, '*'):
self.putItem(value.dereference())
def putCStyleArray(self, value):
arrayType = value.type
innerType = arrayType.ltarget
address = value.address()
if address:
self.putValue('@0x%x' % address, priority=-1)
else:
self.putEmptyValue()
self.putType(arrayType)
displayFormat = self.currentItemFormat()
arrayByteSize = arrayType.size()
n = self.arrayItemCountFromTypeName(value.type.name, 100)
p = value.address()
if displayFormat != DisplayFormat.Raw and p:
if innerType.name in (
'char',
'int8_t',
'qint8',
'wchar_t',
'unsigned char',
'uint8_t',
'quint8',
'signed char',
'CHAR',
'WCHAR',
'char8_t',
'char16_t',
'char32_t'
):
self.putCharArrayHelper(p, n, innerType, self.currentItemFormat(),
makeExpandable=False)
else:
self.tryPutSimpleFormattedPointer(p, arrayType, innerType,
displayFormat, arrayByteSize)
self.putNumChild(n)
if self.isExpanded():
if n > 100:
addrStep = innerType.size()
with Children(self, n, innerType, addrBase=address, addrStep=addrStep):
for i in self.childRange():
self.putSubItem(i, self.createValue(address + i * addrStep, innerType))
else:
with Children(self):
n = 0
for item in self.listValueChildren(value):
with SubItem(self, n):
n += 1
self.putItem(item)
def putArrayData(self, base, n, innerType, childNumChild=None):
self.checkIntType(base)
self.checkIntType(n)
addrBase = base
innerType = self.createType(innerType)
innerSize = innerType.size()
self.putNumChild(n)
#DumperBase.warn('ADDRESS: 0x%x INNERSIZE: %s INNERTYPE: %s' % (addrBase, innerSize, innerType))
enc = innerType.simpleEncoding()
maxNumChild = self.maxArrayCount()
if enc:
self.put('childtype="%s",' % innerType.name)
self.put('addrbase="0x%x",' % addrBase)
self.put('addrstep="0x%x",' % innerSize)
self.put('arrayencoding="%s",' % enc)
self.put('endian="%s",' % self.packCode)
if n > maxNumChild:
self.put('childrenelided="%s",' % n)
n = maxNumChild
self.put('arraydata="')
self.put(self.readMemory(addrBase, n * innerSize))
self.put('",')
else:
with Children(self, n, innerType, childNumChild, maxNumChild,
addrBase=addrBase, addrStep=innerSize):
for i in self.childRange():
self.putSubItem(i, self.createValue(addrBase + i * innerSize, innerType))
def tryPutSimpleFormattedPointer(self, ptr, typeName, innerType, displayFormat, limit):
if isinstance(innerType, self.Type):
innerType = innerType.name
if displayFormat == DisplayFormat.Automatic:
if innerType in ('char', 'signed char', 'unsigned char', 'uint8_t', 'CHAR'):
# Use UTF-8 as default for char *.
self.putType(typeName)
(length, shown, data) = self.readToFirstZero(ptr, 1, limit)
self.putValue(data, 'utf8', length=length)
if self.isExpanded():
self.putArrayData(ptr, shown, innerType)
return True
if innerType in ('wchar_t', 'WCHAR'):
self.putType(typeName)
charSize = self.lookupType('wchar_t').size()
(length, data) = self.encodeCArray(ptr, charSize, limit)
if charSize == 2:
self.putValue(data, 'utf16', length=length)
else:
self.putValue(data, 'ucs4', length=length)
return True
if displayFormat == DisplayFormat.Latin1String:
self.putType(typeName)
(length, data) = self.encodeCArray(ptr, 1, limit)
self.putValue(data, 'latin1', length=length)
return True
if displayFormat == DisplayFormat.SeparateLatin1String:
self.putType(typeName)
(length, data) = self.encodeCArray(ptr, 1, limit)
self.putValue(data, 'latin1', length=length)
self.putDisplay('latin1:separate', data)
return True
if displayFormat == DisplayFormat.Utf8String:
self.putType(typeName)
(length, data) = self.encodeCArray(ptr, 1, limit)
self.putValue(data, 'utf8', length=length)
return True
if displayFormat == DisplayFormat.SeparateUtf8String:
self.putType(typeName)
(length, data) = self.encodeCArray(ptr, 1, limit)
self.putValue(data, 'utf8', length=length)
self.putDisplay('utf8:separate', data)
return True
if displayFormat == DisplayFormat.Local8BitString:
self.putType(typeName)
(length, data) = self.encodeCArray(ptr, 1, limit)
self.putValue(data, 'local8bit', length=length)
return True
if displayFormat == DisplayFormat.Utf16String:
self.putType(typeName)
(length, data) = self.encodeCArray(ptr, 2, limit)
self.putValue(data, 'utf16', length=length)
return True
if displayFormat == DisplayFormat.Ucs4String:
self.putType(typeName)
(length, data) = self.encodeCArray(ptr, 4, limit)
self.putValue(data, 'ucs4', length=length)
return True
return False
def putDerefedPointer(self, value):
derefValue = value.dereference()
savedCurrentChildType = self.currentChildType
self.currentChildType = value.type.targetName
self.putType(value.type.targetName)
derefValue.name = '*'
derefValue.autoDerefCount = value.autoDerefCount + 1
if derefValue.type.code == TypeCode.Pointer:
self.putField('autoderefcount', '{}'.format(derefValue.autoDerefCount))
self.putItem(derefValue)
self.currentChildType = savedCurrentChildType
def extractPointer(self, value):
code = 'I' if self.ptrSize() == 4 else 'Q'
return self.extractSomething(value, code, 8 * self.ptrSize())
def createValue(self, datish, typish):
if self.isInt(datish): # Used as address.
return self.createValueFromAddressAndType(datish, typish)
if isinstance(datish, bytes):
val = self.Value(self)
if isinstance(typish, self.Type):
val._type = typish
else:
val._type = self.Type(self, typish)
#DumperBase.warn('CREATING %s WITH DATA %s' % (val.type.name, self.hexencode(datish)))
val.ldata = datish
val.check()
return val
raise RuntimeError('EXPECTING ADDRESS OR BYTES, GOT %s' % type(datish))
def createValueFromAddressAndType(self, address, typish):
val = self.Value(self)
if isinstance(typish, self.Type):
val._type = typish
else:
val._type = self.Type(self, typish)
val.laddress = address
if self.useDynamicType:
val._type = val.type.dynamicType(address)
return val
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