-
hjk authoredChange-Id: I12a7a9e43922291c6bff77be5fefea4db6cb5482 Reviewed-by:
Christian Stenger <christian.stenger@theqtcompany.com>hjk authoredChange-Id: I12a7a9e43922291c6bff77be5fefea4db6cb5482 Reviewed-by:Christian Stenger <christian.stenger@theqtcompany.com>
lldbbridge.py 70.89 KiB
############################################################################
#
# Copyright (C) 2015 The Qt Company Ltd.
# Contact: http://www.qt.io/licensing
#
# This file is part of Qt Creator.
#
# Commercial License Usage
# Licensees holding valid commercial Qt licenses may use this file in
# accordance with the commercial license agreement provided with the
# Software or, alternatively, in accordance with the terms contained in
# a written agreement between you and The Qt Company. For licensing terms and
# conditions see http://www.qt.io/terms-conditions. For further information
# use the contact form at http://www.qt.io/contact-us.
#
# GNU Lesser General Public License Usage
# Alternatively, this file may be used under the terms of the GNU Lesser
# General Public License version 2.1 or version 3 as published by the Free
# Software Foundation and appearing in the file LICENSE.LGPLv21 and
# LICENSE.LGPLv3 included in the packaging of this file. Please review the
# following information to ensure the GNU Lesser General Public License
# requirements will be met: https://www.gnu.org/licenses/lgpl.html and
# http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
#
# In addition, as a special exception, The Qt Company gives you certain additional
# rights. These rights are described in The Qt Company LGPL Exception
# version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
#
#############################################################################
import inspect
import os
import platform
import re
import sys
import threading
import lldb
sys.path.insert(1, os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))))
from dumper import *
#######################################################################
#
# Helpers
#
#######################################################################
qqWatchpointOffset = 10000
def warn(message):
print('\n\nWARNING="%s",\n' % message.encode("latin1").replace('"', "'"))
def showException(msg, exType, exValue, exTraceback):
warn("**** CAUGHT EXCEPTION: %s ****" % msg)
import traceback
lines = [line for line in traceback.format_exception(exType, exValue, exTraceback)]
warn('\n'.join(lines))
def fileName(file):
return str(file) if file.IsValid() else ''
def check(exp):
if not exp:
raise RuntimeError("Check failed")
Value = lldb.SBValue
def impl_SBValue__add__(self, offset):
if self.GetType().IsPointerType():
if isinstance(offset, int) or isinstance(offset, long):
pass
else:
offset = offset.GetValueAsSigned()
itemsize = self.GetType().GetPointeeType().GetByteSize()
address = self.GetValueAsUnsigned() + offset * itemsize
address = address & 0xFFFFFFFFFFFFFFFF # Force unsigned
return self.CreateValueFromAddress(None, address,
self.GetType().GetPointeeType()).AddressOf()
raise RuntimeError("SBValue.__add__ not implemented: %s" % self.GetType())
return NotImplemented
def impl_SBValue__sub__(self, other):
if self.GetType().IsPointerType():
if isinstance(other, int) or isinstance(other, long):
address = self.GetValueAsUnsigned() - other
address = address & 0xFFFFFFFFFFFFFFFF # Force unsigned
return self.CreateValueFromAddress(None, address, self.GetType())
if other.GetType().IsPointerType():
itemsize = self.GetType().GetPointeeType().GetByteSize()
return (self.GetValueAsUnsigned() - other.GetValueAsUnsigned()) / itemsize
raise RuntimeError("SBValue.__sub__ not implemented: %s" % self.GetType())
return NotImplemented
def impl_SBValue__le__(self, other):
if self.GetType().IsPointerType() and other.GetType().IsPointerType():
return int(self) <= int(other)
raise RuntimeError("SBValue.__le__ not implemented")
return NotImplemented
def impl_SBValue__int__(self):
return self.GetValueAsSigned()
def impl_SBValue__float__(self):
error = lldb.SBError()
if self.GetType().GetByteSize() == 4:
result = self.GetData().GetFloat(error, 0)
else:
result = self.GetData().GetDouble(error, 0)
if error.Success():
return result
return NotImplemented
def impl_SBValue__long__(self):
return int(self.GetValue(), 0)
def impl_SBValue__getitem__(value, index):
if isinstance(index, int) or isinstance(index, long):
type = value.GetType()
if type.IsPointerType():
innertype = value.Dereference().GetType()
address = value.GetValueAsUnsigned() + index * innertype.GetByteSize()
address = address & 0xFFFFFFFFFFFFFFFF # Force unsigned
return value.CreateValueFromAddress(None, address, innertype)
return value.GetChildAtIndex(index)
item = value.GetChildMemberWithName(index)
if item.IsValid():
return item
raise RuntimeError("SBValue.__getitem__: No such member '%s'" % index)
def impl_SBValue__deref(value):
result = value.Dereference()
if result.IsValid():
return result
exp = "*(class %s*)0x%x" % (value.GetType().GetPointeeType(), value.GetValueAsUnsigned())
return value.CreateValueFromExpression(None, exp)
lldb.SBValue.__add__ = impl_SBValue__add__
lldb.SBValue.__sub__ = impl_SBValue__sub__
lldb.SBValue.__le__ = impl_SBValue__le__
lldb.SBValue.__getitem__ = impl_SBValue__getitem__
lldb.SBValue.__int__ = impl_SBValue__int__
lldb.SBValue.__float__ = impl_SBValue__float__
lldb.SBValue.__long__ = lambda self: long(self.GetValue(), 0)
lldb.SBValue.code = lambda self: self.GetTypeClass()
lldb.SBValue.cast = lambda self, typeObj: self.Cast(typeObj)
lldb.SBValue.dereference = impl_SBValue__deref
lldb.SBValue.address = property(lambda self: self.GetLoadAddress())
lldb.SBType.pointer = lambda self: self.GetPointerType()
lldb.SBType.target = lambda self: self.GetPointeeType()
lldb.SBType.code = lambda self: self.GetTypeClass()
lldb.SBType.sizeof = property(lambda self: self.GetByteSize())
lldb.SBType.unqualified = \
lambda self: self.GetUnqualifiedType() if hasattr(self, 'GetUnqualifiedType') else self
lldb.SBType.strip_typedefs = \
lambda self: self.GetCanonicalType() if hasattr(self, 'GetCanonicalType') else self
lldb.SBType.__orig__str__ = lldb.SBType.__str__
lldb.SBType.__str__ = lldb.SBType.GetName
class Dumper(DumperBase):
def __init__(self):
DumperBase.__init__(self)
self.outputLock = threading.Lock()
self.debugger = lldb.SBDebugger.Create()
#self.debugger.SetLoggingCallback(loggingCallback)
#def loggingCallback(args):
# s = args.strip()
# s = s.replace('"', "'")
# sys.stdout.write('log="%s"@\n' % s)
#Same as: self.debugger.HandleCommand("log enable lldb dyld step")
#self.debugger.EnableLog("lldb", ["dyld", "step", "process", "state",
# "thread", "events",
# "communication", "unwind", "commands"])
#self.debugger.EnableLog("lldb", ["all"])
self.debugger.Initialize()
self.debugger.HandleCommand("settings set auto-confirm on")
# FIXME: warn("DISABLING DEFAULT FORMATTERS")
# It doesn't work at all with 179.5 and we have some bad
# interactonn in 3000
# if not hasattr(lldb.SBType, 'GetCanonicalType'): # "Test" for 179.5
self.debugger.HandleCommand('type category delete gnu-libstdc++')
self.debugger.HandleCommand('type category delete libcxx')
#for i in range(self.debugger.GetNumCategories()):
# self.debugger.GetCategoryAtIndex(i).SetEnabled(False)
self.isLldb = True
self.isGoodLldb = hasattr(lldb.SBValue, "SetPreferDynamicValue")
self.process = None
self.target = None
self.eventState = lldb.eStateInvalid
self.expandedINames = {}
self.passExceptions = False
self.useLldbDumpers = False
self.autoDerefPointers = True
self.useDynamicType = True
self.useFancy = True
self.formats = {}
self.typeformats = {}
self.currentIName = None
self.currentValue = ReportItem()
self.currentType = ReportItem()
self.currentNumChild = None
self.currentMaxNumChild = None
self.currentPrintsAddress = None
self.currentChildType = None
self.currentChildNumChild = -1
self.currentWatchers = {}
self.executable_ = None
self.startMode_ = None
self.processArgs_ = None
self.attachPid_ = None
self.charType_ = None
self.intType_ = None
self.int64Type_ = None
self.sizetType_ = None
self.charPtrType_ = None
self.voidPtrType_ = None
self.isShuttingDown_ = False
self.isInterrupting_ = False
self.qmlBreakpointResolvers = {}
self.qmlTriggeredBreakpoint = None
self.report('lldbversion=\"%s\"' % lldb.SBDebugger.GetVersionString())
self.reportState("enginesetupok")
def enterSubItem(self, item):
if isinstance(item.name, lldb.SBValue):
# Avoid $$__synth__ suffix on Mac.
value = item.name
if self.isGoodLldb:
value.SetPreferSyntheticValue(False)
item.name = value.GetName()
if item.name is None:
self.anonNumber += 1
item.name = "#%d" % self.anonNumber
if not item.iname:
item.iname = "%s.%s" % (self.currentIName, item.name)
self.put('{')
#if not item.name is None:
if isinstance(item.name, str):
if item.name == '**&':
item.name = '*'
self.put('name="%s",' % item.name)
item.savedIName = self.currentIName
item.savedValue = self.currentValue
item.savedType = self.currentType
self.currentIName = item.iname
self.currentValue = ReportItem()
self.currentType = ReportItem()
def exitSubItem(self, item, exType, exValue, exTraceBack):
if not exType is None:
if self.passExceptions:
showException("SUBITEM", exType, exValue, exTraceBack)
self.putNumChild(0)
self.putSpecialValue(SpecialNotAccessibleValue)
try:
if self.currentType.value:
typeName = self.currentType.value
if len(typeName) > 0 and typeName != self.currentChildType:
self.put('type="%s",' % typeName) # str(type.unqualified()) ?
if self.currentValue.value is None:
self.put('value="",encoding="%d",numchild="0",'
% SpecialNotAccessibleValue)
else:
if not self.currentValue.encoding is None:
self.put('valueencoded="%s",' % self.currentValue.encoding)
if self.currentValue.elided:
self.put('valueelided="%s",' % self.currentValue.elided)
self.put('value="%s",' % self.currentValue.value)
except:
pass
self.put('},')
self.currentIName = item.savedIName
self.currentValue = item.savedValue
self.currentType = item.savedType
return True
def stateName(self, s):
try:
# See db.StateType
return (
'invalid',
'unloaded', # Process is object is valid, but not currently loaded
'connected', # Process is connected to remote debug services,
# but not launched or attached to anything yet
'attaching', # Process is currently trying to attach
'launching', # Process is in the process of launching
'stopped', # Process or thread is stopped and can be examined.
'running', # Process or thread is running and can't be examined.
'stepping', # Process or thread is in the process of stepping
# and can not be examined.
'crashed', # Process or thread has crashed and can be examined.
'detached', # Process has been detached and can't be examined.
'exited', # Process has exited and can't be examined.
'suspended' # Process or thread is in a suspended state as far
)[s]
except:
return 'unknown(%s)' % s
def stopReason(self, s):
try:
return (
'invalid',
'none',
'trace',
'breakpoint',
'watchpoint',
'signal',
'exception',
'exec',
'plancomplete',
'threadexiting',
'instrumentation',
)[s]
except:
return 'unknown(%s)' % s
def isSimpleType(self, typeobj):
typeClass = typeobj.GetTypeClass()
return typeClass == lldb.eTypeClassBuiltin
def childWithName(self, value, name):
child = value.GetChildMemberWithName(name)
return child if child.IsValid() else None
def simpleValue(self, value):
return str(value.value)
def childAt(self, value, index):
return value.GetChildAtIndex(index)
def fieldAt(self, type, index):
return type.GetFieldAtIndex(index)
def pointerValue(self, value):
return value.GetValueAsUnsigned()
def enumExpression(self, enumType, enumValue):
ns = self.qtNamespace()
return ns + "Qt::" + enumType + "(" \
+ ns + "Qt::" + enumType + "::" + enumValue + ")"
def callHelper(self, value, func, args):
# args is a tuple.
arg = ','.join(args)
#self.warn("CALL: %s -> %s(%s)" % (value, func, arg))
type = value.type.name
exp = "((%s*)%s)->%s(%s)" % (type, value.address, func, arg)
#self.warn("CALL: %s" % exp)
result = value.CreateValueFromExpression('', exp)
#self.warn(" -> %s" % result)
return result
def isBadPointer(self, value):
target = value.dereference()
return target.GetError().Fail()
def makeValue(self, type, *args):
thread = self.currentThread()
frame = thread.GetFrameAtIndex(0)
inner = ','.join(args)
value = frame.EvaluateExpression(type + '{' + inner + '}')
#self.warn(" TYPE: %s" % value.type)
#self.warn(" ADDR: 0x%x" % value.address)
#self.warn(" VALUE: %s" % value)
return value
def parseAndEvaluate(self, expr):
thread = self.currentThread()
frame = thread.GetFrameAtIndex(0)
return frame.EvaluateExpression(expr)
def checkPointer(self, p, align = 1):
if not self.isNull(p):
p.Dereference()
def isNull(self, p):
return p.GetValueAsUnsigned() == 0
def directBaseClass(self, typeobj, index = 0):
result = typeobj.GetDirectBaseClassAtIndex(index).GetType()
return result if result.IsValid() else None
def templateArgument(self, typeobj, index):
type = typeobj.GetTemplateArgumentType(index)
if type.IsValid():
return type
inner = self.extractTemplateArgument(typeobj.GetName(), index)
return self.lookupType(inner)
def numericTemplateArgument(self, typeobj, index):
# There seems no API to extract the numeric value.
inner = self.extractTemplateArgument(typeobj.GetName(), index)
innerType = typeobj.GetTemplateArgumentType(index)
basicType = innerType.GetBasicType()
value = toInteger(inner)
# Clang writes 'int' and '0xfffffff' into the debug info
# LLDB manages to read a value of 0xfffffff...
if basicType == lldb.eBasicTypeInt and value >= 0x8000000:
value -= 0x100000000
return value
def isReferenceType(self, typeobj):
return typeobj.IsReferenceType()
def isStructType(self, typeobj):
return typeobj.GetTypeClass() in (lldb.eTypeClassStruct, lldb.eTypeClassClass)
def isWindowsTarget(self):
return False
def isQnxTarget(self):
return False
def isArmArchitecture(self):
return False
def qtVersionAndNamespace(self):
for func in self.target.FindFunctions('qVersion'):
name = func.GetSymbol().GetName()
if name.endswith('()'):
name = name[:-2]
if name.count(':') > 2:
continue
qtNamespace = name[:name.find('qVersion')]
self.qtNamespace = lambda: qtNamespace
options = lldb.SBExpressionOptions()
res = self.target.EvaluateExpression(name + '()', options)
if not res.IsValid() or not res.GetType().IsPointerType():
exp = '((const char*())%s)()' % name
res = self.target.EvaluateExpression(exp, options)
if not res.IsValid() or not res.GetType().IsPointerType():
exp = '((const char*())_Z8qVersionv)()'
res = self.target.EvaluateExpression(exp, options)
if not res.IsValid() or not res.GetType().IsPointerType():
continue
version = str(res)
if version.count('.') != 2:
continue
version.replace("'", '"') # Both seem possible
version = version[version.find('"')+1:version.rfind('"')]
(major, minor, patch) = version.split('.')
qtVersion = 0x10000 * int(major) + 0x100 * int(minor) + int(patch)
self.qtVersion = lambda: qtVersion
return (qtNamespace, qtVersion)
return ('', 0x50200)
def qtNamespace(self):
return self.qtVersionAndNamespace()[0]
def qtVersion(self):
self.qtVersionAndNamespace()
return self.qtVersionAndNamespace()[1]
def intSize(self):
return 4
def ptrSize(self):
return self.target.GetAddressByteSize()
def intType(self):
return self.target.GetBasicType(lldb.eBasicTypeInt)
def int64Type(self):
return self.target.GetBasicType(lldb.eBasicTypeLongLong)
def charType(self):
return self.target.GetBasicType(lldb.eBasicTypeChar)
def charPtrType(self):
return self.target.GetBasicType(lldb.eBasicTypeChar).GetPointerType()
def voidPtrType(self):
return self.target.GetBasicType(lldb.eBasicVoid).GetPointerType()
def sizetType(self):
if self.sizetType_ is None:
self.sizetType_ = self.lookupType('size_t')
return self.sizetType_
def addressOf(self, value):
return int(value.GetLoadAddress())
def extractUShort(self, address):
error = lldb.SBError()
return int(self.process.ReadUnsignedFromMemory(address, 2, error))
def extractShort(self, address):
i = self.extractUInt(address)
if i >= 0x8000:
i -= 0x10000
return i
def extractUInt(self, address):
error = lldb.SBError()
return int(self.process.ReadUnsignedFromMemory(address, 4, error))
def extractInt(self, address):
i = self.extractUInt(address)
if i >= 0x80000000:
i -= 0x100000000
return i
def extractUInt64(self, address):
error = lldb.SBError()
return int(self.process.ReadUnsignedFromMemory(address, 8, error))
def extractInt64(self, address):
i = self.extractUInt64(address)
if i >= 0x8000000000000000:
i -= 0x10000000000000000
return i
def extractByte(self, address):
error = lldb.SBError()
return int(self.process.ReadUnsignedFromMemory(address, 1, error) & 0xFF)
def handleCommand(self, command):
result = lldb.SBCommandReturnObject()
self.debugger.GetCommandInterpreter().HandleCommand(command, result)
success = result.Succeeded()
if success:
self.report('output="%s"' % result.GetOutput())
else:
self.report('error="%s"' % result.GetError())
self.reportData()
def put(self, stuff):
sys.stdout.write(stuff)
def isMovableType(self, type):
if type.GetTypeClass() in (lldb.eTypeClassBuiltin, lldb.eTypeClassPointer):
return True
return self.isKnownMovableType(self.stripNamespaceFromType(type.GetName()))
def putPointerValue(self, value):
# Use a lower priority
if value is None:
self.putEmptyValue(-1)
else:
self.putValue("0x%x" % value.Dereference())
def putSimpleValue(self, value, encoding = None, priority = 0):
self.putValue(value.GetValue(), encoding, priority)
def simpleEncoding(self, typeobj):
code = typeobj.GetTypeClass()
size = typeobj.sizeof
if code == lldb.eTypeClassBuiltin:
name = str(typeobj)
if name == "float":
return Hex2EncodedFloat4
if name == "double":
return Hex2EncodedFloat8
if name.find("unsigned") >= 0:
if size == 1:
return Hex2EncodedUInt1
if size == 2:
return Hex2EncodedUInt2
if size == 4:
return Hex2EncodedUInt4
if size == 8:
return Hex2EncodedUInt8
else:
if size == 1:
return Hex2EncodedInt1
if size == 2:
return Hex2EncodedInt2
if size == 4:
return Hex2EncodedInt4
if size == 8:
return Hex2EncodedInt8
return None
def createPointerValue(self, address, pointeeType):
addr = int(address) & 0xFFFFFFFFFFFFFFFF
sbaddr = lldb.SBAddress(addr, self.target)
# Any type.
# FIXME: This can be replaced with self.target.CreateValueFromExpression
# as soon as we drop support for lldb builds not having that (~Xcode 6.1)
dummy = self.target.CreateValueFromAddress('@', sbaddr, self.target.FindFirstType('char'))
return dummy.CreateValueFromExpression('', '(%s*)%s' % (pointeeType, addr))
def createValue(self, address, referencedType):
addr = int(address) & 0xFFFFFFFFFFFFFFFF
sbaddr = lldb.SBAddress(addr, self.target)
return self.target.CreateValueFromAddress('@', sbaddr, referencedType)
def childRange(self):
if self.currentMaxNumChild is None:
return xrange(0, self.currentNumChild)
return xrange(min(self.currentMaxNumChild, self.currentNumChild))
def canonicalTypeName(self, name):
return re.sub('\\bconst\\b', '', name).replace(' ', '')
def lookupType(self, name):
#self.warn("LOOKUP TYPE NAME: %s" % name)
typeobj = self.target.FindFirstType(name)
if typeobj.IsValid():
return typeobj
typeobj = self.target.FindFirstType(name + '*')
if typeobj.IsValid():
return typeob.GetPointeeType()
typeobj = self.target.FindFirstType(name + '&')
if typeobj.IsValid():
return typeob.GetReferencedType()
if name.endswith('*'):
typeobj = self.target.FindFirstType(name[:-1].strip())
if typeobj.IsValid():
return typeobj.GetPointerType()
#self.warn("LOOKUP RESULT: %s" % typeobj.name)
#self.warn("LOOKUP VALID: %s" % typeobj.IsValid())
needle = self.canonicalTypeName(name)
#self.warn("NEEDLE: %s " % needle)
for i in xrange(self.target.GetNumModules()):
module = self.target.GetModuleAtIndex(i)
# SBModule.GetType is new somewhere after early 300.x
# So this may fail.
for t in module.GetTypes():
n = self.canonicalTypeName(t.GetName())
if n == needle:
#self.warn("FOUND TYPE DIRECT 2: %s " % t)
return t
if n == needle + '*':
#self.warn("FOUND TYPE BY POINTER 2: %s " % t.GetPointeeType())
return t.GetPointeeType()
if n == needle + '&':
#self.warn("FOUND TYPE BY REFERENCE 2: %s " % t)
return t.GetDereferencedType()
#self.warn("NOT FOUND: %s " % needle)
return None
def setupInferior(self, args):
self.reportToken(args)
error = lldb.SBError()
self.executable_ = args['executable']
self.startMode_ = args.get('startMode', 1)
self.breakOnMain_ = args.get('breakOnMain', 0)
self.useTerminal_ = args.get('useTerminal', 0)
self.processArgs_ = args.get('processArgs', [])
self.processArgs_ = map(lambda x: self.hexdecode(x), self.processArgs_)
self.attachPid_ = args.get('attachPid', 0)
self.sysRoot_ = args.get('sysRoot', '')
self.remoteChannel_ = args.get('remoteChannel', '')
self.platform_ = args.get('platform', '')
self.ignoreStops = 0
self.silentStops = 0
if platform.system() == "Linux":
if self.startMode_ == AttachCore:
pass
else:
if self.useTerminal_:
self.ignoreStops = 2
else:
self.silentStops = 1
else:
if self.useTerminal_:
self.ignoreStops = 1
if self.platform_:
self.debugger.SetCurrentPlatform(self.platform_)
# sysroot has to be set *after* the platform
if self.sysRoot_:
self.debugger.SetCurrentPlatformSDKRoot(self.sysRoot_)
if os.path.isfile(self.executable_):
self.target = self.debugger.CreateTarget(self.executable_, None, None, True, error)
else:
self.target = self.debugger.CreateTarget(None, None, None, True, error)
if self.target.IsValid():
for bp in args['bkpts']:
self.insertBreakpoint(bp)
state = "inferiorsetupok" if self.target.IsValid() else "inferiorsetupfailed"
self.report('state="%s",msg="%s",exe="%s"' % (state, error, self.executable_))
def runEngine(self, args):
self.prepare(args)
s = threading.Thread(target=self.loop, args=[])
s.start()
def prepare(self, args):
self.reportToken(args)
error = lldb.SBError()
listener = self.debugger.GetListener()
if self.attachPid_ > 0:
attachInfo = lldb.SBAttachInfo(self.attachPid_)
self.process = self.target.Attach(attachInfo, error)
if not error.Success():
self.reportState("inferiorrunfailed")
return
self.report('pid="%s"' % self.process.GetProcessID())
# Even if it stops it seems that LLDB assumes it is running
# and later detects that it did stop after all, so it is be
# better to mirror that and wait for the spontaneous stop.
self.reportState("enginerunandinferiorrunok")
elif self.startMode_ == AttachToRemoteServer or self.startMode_ == AttachToRemoteProcess:
self.process = self.target.ConnectRemote(
self.debugger.GetListener(),
self.remoteChannel_, None, error)
if not error.Success():
self.reportError(error)
self.reportState("enginerunfailed")
return
# Even if it stops it seems that LLDB assumes it is running
# and later detects that it did stop after all, so it is be
# better to mirror that and wait for the spontaneous stop.
self.reportState("enginerunandinferiorrunok")
elif self.startMode_ == AttachCore:
coreFile = args.get('coreFile', '');
self.process = self.target.LoadCore(coreFile)
self.reportState("enginerunokandinferiorunrunnable")
#self.reportContinuation(args)
else:
launchInfo = lldb.SBLaunchInfo(self.processArgs_)
launchInfo.SetWorkingDirectory(os.getcwd())
environmentList = [key + "=" + value for key,value in os.environ.items()]
launchInfo.SetEnvironmentEntries(environmentList, False)
if self.breakOnMain_:
self.createBreakpointAtMain()
self.process = self.target.Launch(launchInfo, error)
if not error.Success():
self.reportError(error)
self.reportState("enginerunfailed")
return
self.report('pid="%s"' % self.process.GetProcessID())
self.reportState("enginerunandinferiorrunok")
def loop(self):
event = lldb.SBEvent()
listener = self.debugger.GetListener()
while True:
if listener.WaitForEvent(10000000, event):
self.handleEvent(event)
else:
warn('TIMEOUT')
def describeError(self, error):
desc = lldb.SBStream()
error.GetDescription(desc)
result = 'error={type="%s"' % error.GetType()
result += ',code="%s"' % error.GetError()
result += ',desc="%s"}' % desc.GetData()
return result
def reportError(self, error):
self.report(self.describeError(error))
if error.GetType():
self.reportStatus(error.GetCString())
def currentThread(self):
return None if self.process is None else self.process.GetSelectedThread()
def currentFrame(self):
thread = self.currentThread()
return None if thread is None else thread.GetSelectedFrame()
def reportLocation(self, frame):
if int(frame.pc) != 0xffffffffffffffff:
file = fileName(frame.line_entry.file)
line = frame.line_entry.line
self.report('location={file="%s",line="%s",addr="%s"}'
% (file, line, frame.pc))
def firstStoppedThread(self):
for i in xrange(0, self.process.GetNumThreads()):
thread = self.process.GetThreadAtIndex(i)
reason = thread.GetStopReason()
if (reason == lldb.eStopReasonBreakpoint or
reason == lldb.eStopReasonException or
reason == lldb.eStopReasonPlanComplete or
reason == lldb.eStopReasonSignal or
reason == lldb.eStopReasonWatchpoint):
return thread
return None
def reportThreads(self, args):
self.reportToken(args)
result = 'threads={threads=['
for i in xrange(0, self.process.GetNumThreads()):
thread = self.process.GetThreadAtIndex(i)
if thread.is_stopped:
state = "stopped"
elif thread.is_suspended:
state = "suspended"
else:
state = "unknown"
reason = thread.GetStopReason()
result += '{id="%d"' % thread.GetThreadID()
result += ',index="%s"' % i
result += ',details="%s"' % thread.GetQueueName()
result += ',stop-reason="%s"' % self.stopReason(thread.GetStopReason())
result += ',state="%s"' % state
result += ',name="%s"' % thread.GetName()
result += ',frame={'
frame = thread.GetFrameAtIndex(0)
result += 'pc="0x%x"' % frame.pc
result += ',addr="0x%x"' % frame.pc
result += ',fp="0x%x"' % frame.fp
result += ',func="%s"' % frame.GetFunctionName()
result += ',line="%s"' % frame.line_entry.line
result += ',fullname="%s"' % fileName(frame.line_entry.file)
result += ',file="%s"' % fileName(frame.line_entry.file)
result += '}},'
result += ']},'
self.report(result)
def reportCurrentThread(self, args):
self.reportToken(args)
self.report('current-thread={id="%s"}' % self.currentThread().id)
def firstUsableFrame(self, thread):
for i in xrange(10):
frame = thread.GetFrameAtIndex(i)
lineEntry = frame.GetLineEntry()
line = lineEntry.GetLine()
if line != 0:
return i
return None
def reportStack(self, args):
self.reportToken(args)
if not self.process:
self.report('msg="No process"')
return
thread = self.currentThread()
if not thread:
self.report('msg="No thread"')
return
self.reportLocation(thread.GetFrameAtIndex(0)) # FIXME
isNativeMixed = int(args.get('nativeMixed', 0))
limit = args.get('stacklimit', -1)
(n, isLimited) = (limit, True) if limit > 0 else (thread.GetNumFrames(), False)
self.currentCallContext = None
result = 'stack={current-thread="%s"' % thread.GetThreadID()
result += ',frames=['
for i in xrange(n):
frame = thread.GetFrameAtIndex(i)
if not frame.IsValid():
isLimited = False
break
lineEntry = frame.GetLineEntry()
lineNumber = lineEntry.GetLine()
pc = frame.GetPC()
level = frame.idx
addr = frame.GetPCAddress().GetLoadAddress(self.target)
functionName = frame.GetFunctionName()
fullname = fileName(lineEntry.file)
usable = None
language = None
if isNativeMixed:
if self.isReportableQmlFrame(functionName):
engine = frame.FindVariable("engine")
self.context = engine
h = self.extractQmlLocation(engine)
pc = 0
functionName = h['functionName']
fullname = h['fileName']
lineNumber = h['lineNumber']
addr = h['context']
language = 'js'
elif not functionName is None:
if functionName.startswith("qt_v4"):
usable = 0
elif functionName.find("QV4::") >= 0:
usable = 0
result += '{pc="0x%x"' % pc
result += ',level="%d"' % level
result += ',addr="0x%x"' % addr
if not usable is None:
result += ',usable="%s"' % usable
result += ',func="%s"' % functionName
result += ',line="%d"' % lineNumber
if not language is None:
result += ',language="%s"' % language
result += ',fullname="%s"' % fullname
result += ',file="%s"},' % fullname
result += ']'
result += ',hasmore="%d"' % isLimited
result += ',limit="%d"' % limit
result += '}'
self.report(result)
self.reportContinuation(args)
def reportToken(self, args):
if "token" in args:
# Unusual syntax intended, to support the double-click in left
# logview pane feature.
self.report('token(\"%s\")' % args["token"])
def reportContinuation(self, args):
if not self.isShuttingDown_ and "continuation" in args:
self.report('continuation=\"%s\"' % args["continuation"])
def extractBlob(self, base, size):
if size == 0:
return Blob("")
base = int(base) & 0xFFFFFFFFFFFFFFFF
size = int(size) & 0xFFFFFFFF
error = lldb.SBError()
return Blob(self.process.ReadMemory(base, size, error))
def toBlob(self, value):
data = value.GetData()
size = int(data.GetByteSize())
buf = bytearray(struct.pack('x' * size))
error = lldb.SBError()
#data.ReadRawData(error, 0, buf)
for i in range(size):
buf[i] = data.GetUnsignedInt8(error, i)
return Blob(bytes(buf))
def mangleName(self, typeName):
return '_ZN%sE' % ''.join(map(lambda x: "%d%s" % (len(x), x), typeName.split('::')))
def findStaticMetaObject(self, typeName):
symbolName = self.mangleName(typeName + '::staticMetaObject')
return self.target.FindFirstGlobalVariable(symbolName)
def findSymbol(self, symbolName):
return self.target.FindFirstGlobalVariable(symbolName)
def stripNamespaceFromType(self, typeName):
#type = self.stripClassTag(typeName)
type = typeName
ns = self.qtNamespace()
if len(ns) > 0 and type.startswith(ns):
type = type[len(ns):]
pos = type.find("<")
# FIXME: make it recognize foo<A>::bar<B>::iterator?
while pos != -1:
pos1 = type.rfind(">", pos)
type = type[0:pos] + type[pos1+1:]
pos = type.find("<")
if type.startswith("const "):
type = type[6:]
if type.startswith("volatile "):
type = type[9:]
return type
def putSubItem(self, component, value, tryDynamic=True):
if not value.IsValid():
self.warn("INVALID SUBITEM: %s" % value.GetName())
return
with SubItem(self, component):
self.putItem(value, tryDynamic)
def putAddress(self, addr):
#if int(addr) == 0xffffffffffffffff:
# raise RuntimeError("Illegal address")
if self.currentPrintsAddress and not addr is None:
self.put('addr="0x%x",' % int(addr))
def isFunctionType(self, typeobj):
if self.isGoodLldb:
return typeobj.IsFunctionType()
#warn("TYPE: %s" % typeobj)
return False
def putItem(self, value, tryDynamic=True):
typeName = value.GetType().GetUnqualifiedType().GetName()
if self.isGoodLldb:
value.SetPreferDynamicValue(tryDynamic)
typeClass = value.GetType().GetTypeClass()
if tryDynamic:
self.putAddress(value.GetLoadAddress())
# Handle build-in LLDB visualizers if wanted.
if False and self.useLldbDumpers and value.GetTypeSynthetic().IsValid():
# FIXME: print "official" summary?
summary = value.GetTypeSummary()
if summary.IsValid():
warn("DATA: %s" % summary.GetData())
if self.isGoodLldb:
value.SetPreferSyntheticValue(False)
provider = value.GetTypeSynthetic()
data = provider.GetData()
formatter = eval(data)(value, {})
formatter.update()
numchild = formatter.num_children()
self.put('iname="%s",' % self.currentIName)
self.putType(typeName)
self.put('numchild="%s",' % numchild)
self.put('addr="0x%x",' % value.GetLoadAddress())
self.putItemCount(numchild)
if self.currentIName in self.expandedINames:
with Children(self):
for i in xrange(numchild):
child = formatter.get_child_at_index(i)
with SubItem(self, i):
self.putItem(child)
return
# Typedefs
if typeClass == lldb.eTypeClassTypedef:
if typeName in self.qqDumpers:
self.putType(typeName)
self.context = value
self.qqDumpers[typeName](self, value)
return
realType = value.GetType()
if hasattr(realType, 'GetCanonicalType'):
baseType = realType.GetCanonicalType()
if baseType != realType:
baseValue = value.Cast(baseType.unqualified())
self.putItem(baseValue)
self.putBetterType(realType)
return
# Our turf now.
if self.isGoodLldb:
value.SetPreferSyntheticValue(False)
# Arrays
if typeClass == lldb.eTypeClassArray:
self.putCStyleArray(value)
return
# Vectors like char __attribute__ ((vector_size (8)))
if typeClass == lldb.eTypeClassVector:
self.putCStyleArray(value)
return
# References
if value.GetType().IsReferenceType():
type = value.GetType().GetDereferencedType().unqualified()
addr = value.GetValueAsUnsigned()
#warn("FROM: %s" % value)
#warn("ADDR: 0x%x" % addr)
#warn("TYPE: %s" % type)
# Works:
#item = self.currentThread().GetSelectedFrame().EvaluateExpression(
# "(%s*)0x%x" % (type, addr)).Dereference()
# Works:
item = value.CreateValueFromExpression(None,
"(%s*)0x%x" % (type, addr), lldb.SBExpressionOptions()).Dereference()
# Does not work:
#item = value.CreateValueFromAddress(None, addr, type)
# Does not work:
#item = value.Cast(type.GetPointerType()).Dereference()
#warn("TOOO: %s" % item)
self.putItem(item)
self.putBetterType(value.GetTypeName())
return
# Pointers
if value.GetType().IsPointerType():
self.putFormattedPointer(value)
return
# Chars
if typeClass == lldb.eTypeClassBuiltin:
basicType = value.GetType().GetBasicType()
if basicType == lldb.eBasicTypeChar:
self.putValue(value.GetValueAsUnsigned())
self.putType(typeName)
self.putNumChild(0)
return
if basicType == lldb.eBasicTypeSignedChar:
self.putValue(value.GetValueAsSigned())
self.putType(typeName)
self.putNumChild(0)
return
#warn("VALUE: %s" % value)
#warn("FANCY: %s" % self.useFancy)
if self.tryPutPrettyItem(typeName, value):
return
# Normal value
#numchild = 1 if value.MightHaveChildren() else 0
numchild = value.GetNumChildren()
self.putType(typeName)
self.putEmptyValue(-1)
staticMetaObject = self.extractStaticMetaObject(value.GetType())
if staticMetaObject:
self.context = value
self.putQObjectNameValue(value)
else:
v = value.GetValue()
if v:
self.putValue(v)
self.put('numchild="%s",' % numchild)
if self.currentIName in self.expandedINames:
with Children(self):
self.putFields(value)
if staticMetaObject:
self.putQObjectGuts(value, staticMetaObject)
def warn(self, msg):
self.put('{name="%s",value="",type="",numchild="0"},' % msg)
def putFields(self, value):
# Suppress printing of 'name' field for arrays.
if value.GetType().GetTypeClass() == lldb.eTypeClassArray:
for i in xrange(value.GetNumChildren()):
child = value.GetChildAtIndex(i)
with UnnamedSubItem(self, str(i)):
self.putItem(child)
return
n = value.GetNumChildren()
m = value.GetType().GetNumberOfDirectBaseClasses()
if n > 10000:
n = 10000
# seems to happen in the 'inheritance' autotest
if m > n:
m = n
for i in xrange(m):
child = value.GetChildAtIndex(i)
with UnnamedSubItem(self, "@%d" % (i + 1)):
self.put('iname="%s",' % self.currentIName)
self.put('name="[%s]",' % child.name)
self.putItem(child)
children = [value.GetChildAtIndex(i) for i in xrange(m, n)]
if self.sortStructMembers:
children.sort(key = lambda child: str(child.GetName()))
for child in children:
# Only needed in the QVariant4 test.
if int(child.GetLoadAddress()) == 0xffffffffffffffff:
typeClass = child.GetType().GetTypeClass()
if typeClass != lldb.eTypeClassBuiltin:
field = value.GetType().GetFieldAtIndex(i)
addr = value.GetLoadAddress() + field.GetOffsetInBytes()
child = value.CreateValueFromAddress(child.GetName(), addr, child.GetType())
if child.IsValid(): # FIXME: Anon members?
with SubItem(self, child):
self.putItem(child)
def reportVariables(self, args = {}):
with self.outputLock:
sys.stdout.write("@\n")
self.reportVariablesHelper(args)
sys.stdout.write("@\n")
def reportVariablesHelper(self, args = {}):
frame = self.currentFrame()
if frame is None:
return
partialVariable = args.get("partialVariable", "")
isPartial = len(partialVariable) > 0
self.currentIName = 'local'
self.put('all={data=[')
self.anonNumber = 0
shadowed = {}
ids = {} # Filter out duplicates entries at the same address.
# FIXME: Implement shortcut for partial updates.
#if isPartial:
# values = [frame.FindVariable(partialVariable)]
#else:
if True:
values = list(frame.GetVariables(True, True, False, False))
values.reverse() # To get shadowed vars numbered backwards.
for value in values:
if not value.IsValid():
continue
name = value.GetName()
id = "%s:0x%x" % (name, value.GetLoadAddress())
if id in ids:
continue
ids[id] = True
if name is None:
# This can happen for unnamed function parameters with
# default values: void foo(int = 0)
continue
if name in shadowed:
level = shadowed[name]
shadowed[name] = level + 1
name += "@%s" % level
else:
shadowed[name] = 1
if name == "argv" and value.GetType().GetName() == "char **":
self.putSpecialArgv(value)
else:
with SubItem(self, name):
self.put('iname="%s",' % self.currentIName)
self.putItem(value)
with SubItem(self, '[statics]'):
self.put('iname="%s",' % self.currentIName)
self.putEmptyValue()
self.putNumChild(1)
if self.isExpanded():
with Children(self):
statics = frame.GetVariables(False, False, True, False)
if len(statics):
for i in xrange(len(statics)):
staticVar = statics[i]
typename = staticVar.GetType().GetName()
name = staticVar.GetName()
with SubItem(self, i):
self.put('name="%s",' % name)
self.put('iname="%s",' % self.currentIName)
self.putItem(staticVar)
else:
with SubItem(self, "None"):
self.putEmptyValue()
self.putNumChild(0)
self.handleWatches(args)
self.put('],partial="%d"}' % isPartial)
def reportData(self, _ = None):
if self.process is None:
self.report('process="none"')
else:
state = self.process.GetState()
if state == lldb.eStateStopped:
self.reportVariables()
def reportRegisters(self, _ = None):
if self.process is None:
self.report('process="none"')
else:
frame = self.currentFrame()
if frame:
result = 'registers=['
for group in frame.GetRegisters():
for reg in group:
value = ''.join(["%02x" % x for x in reg.GetData().uint8s])
result += '{name="%s"' % reg.GetName()
result += ',value="0x%s"' % value
result += ',size="%s"' % reg.GetByteSize()
result += ',type="%s"},' % reg.GetType()
result += ']'
self.report(result)
def setRegister(self, args):
self.reportToken(args)
name = args["name"]
value = args["value"]
result = lldb.SBCommandReturnObject()
interp = self.debugger.GetCommandInterpreter()
interp.HandleCommand("register write %s %s" % (name, value), result)
success = result.Succeeded()
if success:
self.report('output="%s"' % result.GetOutput())
return
# Try again with register write xmm0 "{0x00 ... 0x02}" syntax:
vec = ' '.join(["0x" + value[i:i+2] for i in range(2, len(value), 2)])
success = interp.HandleCommand('register write %s "{%s}"' % (name, vec), result)
if success:
self.report('output="%s"' % result.GetOutput())
return
self.report('error="%s"' % result.GetError())
def report(self, stuff):
with self.outputLock:
sys.stdout.write("@\n" + stuff + "@\n")
def reportStatus(self, msg):
self.report('statusmessage="%s"' % msg)
def interruptInferior(self, _ = None):
if self.process is None:
self.reportStatus("No process to interrupt.")
return
self.isInterrupting_ = True
error = self.process.Stop()
self.reportError(error)
def detachInferior(self, _ = None):
if self.process is None:
self.reportStatus("No process to detach from.")
else:
error = self.process.Detach()
self.reportError(error)
self.reportData()
def continueInferior(self, _ = None):
if self.process is None:
self.reportStatus("No process to continue.")
else:
error = self.process.Continue()
self.reportError(error)
# Happens when attaching to GDBserver.
if not error.Success():
self.reportState("inferiorill")
def quitDebugger(self, _ = None):
self.reportState("inferiorshutdownrequested")
self.process.Kill()
def handleEvent(self, event):
out = lldb.SBStream()
event.GetDescription(out)
#warn("EVENT: %s" % event)
eventType = event.GetType()
msg = lldb.SBEvent.GetCStringFromEvent(event)
flavor = event.GetDataFlavor()
state = lldb.SBProcess.GetStateFromEvent(event)
bp = lldb.SBBreakpoint.GetBreakpointFromEvent(event)
self.report('event={type="%s",data="%s",msg="%s",flavor="%s",state="%s",bp="%s"}'
% (eventType, out.GetData(), msg, flavor, self.stateName(state), bp))
if state != self.eventState:
self.eventState = state
if state == lldb.eStateExited:
if self.isShuttingDown_:
self.reportState("inferiorshutdownok")
else:
self.reportState("inferiorexited")
self.report('exited={status="%s",desc="%s"}'
% (self.process.GetExitStatus(), self.process.GetExitDescription()))
elif state == lldb.eStateStopped:
stoppedThread = self.firstStoppedThread()
if stoppedThread:
#self.report("STOPPED THREAD: %s" % stoppedThread)
frame = stoppedThread.GetFrameAtIndex(0)
#self.report("FRAME: %s" % frame)
function = frame.GetFunction()
#self.report("FUNCTION: %s" % function)
if function.GetName() == "qt_v4ResolvePendingBreakpointsHook":
#self.report("RESOLVER HIT")
for bp in self.qmlBreakpointResolvers:
self.qmlBreakpointResolvers[bp]()
self.target.BreakpointDelete(bp.GetID())
self.qmlBreakpointResolvers = {}
self.process.Continue();
return
if self.isInterrupting_:
self.isInterrupting_ = False
self.reportState("inferiorstopok")
elif self.ignoreStops > 0:
self.ignoreStops -= 1
self.process.Continue()
elif self.silentStops > 0:
self.silentStops -= 1
#elif bp and bp in self.qmlBreakpointResolvers:
# self.report("RESOLVER HIT")
# self.qmlBreakpointResolvers[bp]()
# self.process.Continue();
else:
self.reportState("stopped")
else:
self.reportState(self.stateName(state))
if eventType == lldb.SBProcess.eBroadcastBitStateChanged: # 1
state = self.process.GetState()
if state == lldb.eStateStopped:
stoppedThread = self.firstStoppedThread()
if stoppedThread:
self.process.SetSelectedThread(stoppedThread)
elif eventType == lldb.SBProcess.eBroadcastBitInterrupt: # 2
pass
elif eventType == lldb.SBProcess.eBroadcastBitSTDOUT:
# FIXME: Size?
msg = self.process.GetSTDOUT(1024)
self.report('output={channel="stdout",data="%s"}'
% self.hexencode(msg))
elif eventType == lldb.SBProcess.eBroadcastBitSTDERR:
msg = self.process.GetSTDERR(1024)
self.report('output={channel="stderr",data="%s"}'
% self.hexencode(msg))
elif eventType == lldb.SBProcess.eBroadcastBitProfileData:
pass
def reportState(self, state):
self.report('state="%s"' % state)
def describeBreakpoint(self, bp):
isWatch = isinstance(bp, lldb.SBWatchpoint)
if isWatch:
result = 'lldbid="%s"' % (qqWatchpointOffset + bp.GetID())
else:
result = 'lldbid="%s"' % bp.GetID()
if not bp.IsValid():
return
result += ',hitcount="%s"' % bp.GetHitCount()
if hasattr(bp, 'GetThreadID'):
result += ',threadid="%s"' % bp.GetThreadID()
if hasattr(bp, 'IsOneShot'):
result += ',oneshot="%s"' % (1 if bp.IsOneShot() else 0)
if hasattr(bp, 'GetCondition'):
cond = bp.GetCondition()
result += ',condition="%s"' % self.hexencode("" if cond is None else cond)
result += ',enabled="%s"' % (1 if bp.IsEnabled() else 0)
result += ',valid="%s"' % (1 if bp.IsValid() else 0)
result += ',ignorecount="%s"' % bp.GetIgnoreCount()
result += ',locations=['
lineEntry = None
if hasattr(bp, 'GetNumLocations'):
for i in xrange(bp.GetNumLocations()):
loc = bp.GetLocationAtIndex(i)
addr = loc.GetAddress()
lineEntry = addr.GetLineEntry()
result += '{locid="%s"' % loc.GetID()
result += ',func="%s"' % addr.GetFunction().GetName()
result += ',enabled="%s"' % (1 if loc.IsEnabled() else 0)
result += ',resolved="%s"' % (1 if loc.IsResolved() else 0)
result += ',valid="%s"' % (1 if loc.IsValid() else 0)
result += ',ignorecount="%s"' % loc.GetIgnoreCount()
result += ',file="%s"' % lineEntry.GetFileSpec()
result += ',line="%s"' % lineEntry.GetLine()
result += ',addr="%s"},' % addr.GetFileAddress()
result += ']'
if lineEntry is not None:
result += ',file="%s"' % lineEntry.GetFileSpec()
result += ',line="%s"' % lineEntry.GetLine()
return result
def createBreakpointAtMain(self):
return self.target.BreakpointCreateByName(
"main", self.target.GetExecutable().GetFilename())
def insertBreakpoint(self, args):
bpType = args["type"]
if bpType == BreakpointByFileAndLine:
fileName = args["fileName"]
if fileName.endswith(".js") or fileName.endswith(".qml"):
self.insertQmlBreakpoint(args)
return
more = True
modelId = args['modelid']
if bpType == BreakpointByFileAndLine:
bp = self.target.BreakpointCreateByLocation(
str(args["fileName"]), int(args["lineNumber"]))
elif bpType == BreakpointByFunction:
bp = self.target.BreakpointCreateByName(args["function"])
elif bpType == BreakpointByAddress:
bp = self.target.BreakpointCreateByAddress(args["address"])
elif bpType == BreakpointAtMain:
bp = self.createBreakpointAtMain()
elif bpType == BreakpointAtThrow:
bp = self.target.BreakpointCreateForException(
lldb.eLanguageTypeC_plus_plus, False, True)
elif bpType == BreakpointAtCatch:
bp = self.target.BreakpointCreateForException(
lldb.eLanguageTypeC_plus_plus, True, False)
elif bpType == WatchpointAtAddress:
error = lldb.SBError()
bp = self.target.WatchAddress(args["address"], 4, False, True, error)
#warn("BPNEW: %s" % bp)
self.reportError(error)
elif bpType == WatchpointAtExpression:
# FIXME: Top level-only for now.
try:
frame = self.currentFrame()
value = frame.FindVariable(args["expression"])
error = lldb.SBError()
bp = self.target.WatchAddress(value.GetLoadAddress(),
value.GetByteSize(), False, True, error)
except:
bp = self.target.BreakpointCreateByName(None)
else:
# This leaves the unhandled breakpoint in a (harmless)
# "pending" state.
bp = self.target.BreakpointCreateByName(None)
more = False
if more:
bp.SetIgnoreCount(int(args["ignorecount"]))
if hasattr(bp, 'SetCondition'):
bp.SetCondition(self.hexdecode(args["condition"]))
bp.SetEnabled(bool(args["enabled"]))
if hasattr(bp, 'SetOneShot'):
bp.SetOneShot(bool(args["oneshot"]))
self.report('breakpoint-added={%s,modelid="%s"}' % (self.describeBreakpoint(bp), modelId))
def changeBreakpoint(self, args):
lldbId = int(args["lldbid"])
modelId = args['modelid']
if lldbId > qqWatchpointOffset:
bp = self.target.FindWatchpointByID(lldbId)
else:
bp = self.target.FindBreakpointByID(lldbId)
bp.SetIgnoreCount(int(args["ignorecount"]))
bp.SetCondition(self.hexdecode(args["condition"]))
bp.SetEnabled(bool(args["enabled"]))
if hasattr(bp, 'SetOneShot'):
bp.SetOneShot(bool(args["oneshot"]))
self.report('breakpoint-changed={%s,modelid="%s"}'
% (self.describeBreakpoint(bp), modelId))
def removeBreakpoint(self, args):
lldbId = int(args['lldbid'])
modelId = args['modelid']
if lldbId > qqWatchpointOffset:
res = self.target.DeleteWatchpoint(lldbId - qqWatchpointOffset)
res = self.target.BreakpointDelete(lldbId)
self.report('breakpoint-removed={modelid="%s"}' % modelId)
def listModules(self, args):
result = 'modules=['
for i in xrange(self.target.GetNumModules()):
module = self.target.GetModuleAtIndex(i)
result += '{file="%s"' % module.file.fullpath
result += ',name="%s"' % module.file.basename
result += ',addrsize="%s"' % module.addr_size
result += ',triple="%s"' % module.triple
#result += ',sections={'
#for section in module.sections:
# result += '[name="%s"' % section.name
# result += ',addr="%s"' % section.addr
# result += ',size="%s"],' % section.size
#result += '}'
result += '},'
result += ']'
self.report(result)
def listSymbols(self, args):
moduleName = args['module']
#file = lldb.SBFileSpec(moduleName)
#module = self.target.FindModule(file)
for i in xrange(self.target.GetNumModules()):
module = self.target.GetModuleAtIndex(i)
if module.file.fullpath == moduleName:
break
result = 'symbols={module="%s"' % moduleName
result += ',valid="%s"' % module.IsValid()
result += ',sections="%s"' % module.GetNumSections()
result += ',symbols=['
for symbol in module.symbols:
startAddress = symbol.GetStartAddress().GetLoadAddress(self.target)
endAddress = symbol.GetEndAddress().GetLoadAddress(self.target)
result += '{type="%s"' % symbol.GetType()
result += ',name="%s"' % symbol.GetName()
result += ',address="0x%x"' % startAddress
result += ',demangled="%s"' % symbol.GetMangledName()
result += ',size="%s"' % (endAddress - startAddress)
result += '},'
result += ']}'
self.report(result)
def executeNext(self, _ = None):
self.currentThread().StepOver()
def executeNextI(self, _ = None):
self.currentThread().StepInstruction(lldb.eOnlyThisThread)
def executeStep(self, _ = None):
self.currentThread().StepInto()
def shutdownInferior(self, _ = None):
self.isShuttingDown_ = True
if self.process is None:
self.reportState("inferiorshutdownok")
else:
state = self.process.GetState()
if state == lldb.eStateStopped:
self.process.Kill()
self.reportState("inferiorshutdownok")
def quit(self, args = {}):
self.reportToken(args)
self.reportState("engineshutdownok")
self.process.Kill()
def executeStepI(self, args = {}):
self.reportToken(args)
self.currentThread().StepInstruction(lldb.eOnlyThisThread)
def executeStepOut(self, args = {}):
self.reportToken(args)
self.currentThread().StepOut()
def executeRunToLocation(self, args):
self.reportToken(args)
addr = args.get('address', 0)
if addr:
# Does not seem to hit anything on Linux:
# self.currentThread().RunToAddress(addr)
bp = self.target.BreakpointCreateByAddress(addr)
if bp.GetNumLocations() == 0:
self.target.BreakpointDelete(bp.GetID())
self.reportStatus("No target location found.")
self.reportLocation(frame)
return
bp.SetOneShot(True)
self.process.Continue()
else:
frame = self.currentFrame()
file = args['file']
line = int(args['line'])
error = self.currentThread().StepOverUntil(frame, lldb.SBFileSpec(file), line)
if error.GetType():
self.reportState("running")
self.reportState("stopped")
self.reportError(error)
else:
self.reportData()
def executeJumpToLocation(self, args):
self.reportToken(args)
frame = self.currentFrame()
if not frame:
self.reportStatus("No frame available.")
return
addr = args.get('address', 0)
if addr:
bp = self.target.BreakpointCreateByAddress(addr)
else:
bp = self.target.BreakpointCreateByLocation(
str(args['file']), int(args['line']))
if bp.GetNumLocations() == 0:
self.target.BreakpointDelete(bp.GetID())
self.reportStatus("No target location found.")
self.reportLocation(frame)
return
loc = bp.GetLocationAtIndex(0)
self.target.BreakpointDelete(bp.GetID())
if frame.SetPC(loc.GetLoadAddress()):
self.report("Jumped.")
else:
self.report("Cannot jump.")
self.reportLocation(frame)
def breakList(self):
result = lldb.SBCommandReturnObject()
self.debugger.GetCommandInterpreter().HandleCommand("break list", result)
self.report('success="%d",output="%s",error="%s"'
% (result.Succeeded(), result.GetOutput(), result.GetError()))
def activateFrame(self, args):
thread = args['thread']
self.currentThread().SetSelectedFrame(args['index'])
self.reportContinuation(args)
def selectThread(self, args):
self.process.SetSelectedThreadByID(args['id'])
def requestModuleSymbols(self, frame):
self.handleCommand("target module list " + frame)
def createFullBacktrace(self, _ = None):
command = "thread backtrace all"
result = lldb.SBCommandReturnObject()
self.debugger.GetCommandInterpreter().HandleCommand(command, result)
self.report('full-backtrace="%s"' % self.hexencode(result.GetOutput()))
def executeDebuggerCommand(self, args):
result = lldb.SBCommandReturnObject()
command = args['command']
self.debugger.GetCommandInterpreter().HandleCommand(command, result)
success = result.Succeeded()
output = result.GetOutput()
error = str(result.GetError())
self.report('success="%d",output="%s",error="%s"' % (success, output, error))
def updateData(self, args):
self.reportToken(args)
self.expandedINames = set(args.get('expanded', []))
self.autoDerefPointers = int(args.get('autoderef', '0'))
self.sortStructMembers = bool(args.get("sortStructMembers", True));
self.useDynamicType = int(args.get('dyntype', '0'))
self.useFancy = int(args.get('fancy', '0'))
self.passExceptions = int(args.get('passexceptions', '0'))
self.currentWatchers = args.get('watchers', {})
self.typeformats = args.get("typeformats", {})
self.formats = args.get("formats", {})
self.reportVariables(args)
def disassemble(self, args):
functionName = args.get('function', '')
flavor = args.get('flavor', '')
function = None
if len(functionName):
functions = self.target.FindFunctions(functionName).functions
if len(functions):
function = functions[0]
if function:
base = function.GetStartAddress().GetLoadAddress(self.target)
instructions = function.GetInstructions(self.target)
else:
base = args.get('address', 0)
if int(base) == 0xffffffffffffffff:
warn("INVALID DISASSEMBLER BASE")
return
addr = lldb.SBAddress(base, self.target)
instructions = self.target.ReadInstructions(addr, 100)
result = 'disassembly={cookie="%s",' % args['cookie']
result += ',lines=['
for insn in instructions:
comment = insn.GetComment(self.target)
addr = insn.GetAddress().GetLoadAddress(self.target)
result += '{address="%s"' % addr
result += ',inst="%s %s"' % (insn.GetMnemonic(self.target),
insn.GetOperands(self.target))
result += ',func_name="%s"' % functionName
if comment:
result += ',comment="%s"' % comment
result += ',offset="%s"},' % (addr - base)
self.report(result + ']')
def loadDumpers(self, args):
self.reportToken(args)
self.setupDumpers()
def reportDumpers(self, msg):
self.report(msg)
def fetchMemory(self, args):
address = args['address']
length = args['length']
error = lldb.SBError()
contents = self.process.ReadMemory(address, length, error)
result = 'memory={cookie="%s",' % args['cookie']
result += ',address="%s",' % address
result += self.describeError(error)
result += ',contents="%s"}' % self.hexencode(contents)
self.report(result)
def findValueByExpression(self, exp):
# FIXME: Top level-only for now.
frame = self.currentFrame()
value = frame.FindVariable(exp)
return value
def assignValue(self, args):
error = lldb.SBError()
exp = self.hexdecode(args['exp'])
value = self.hexdecode(args['value'])
lhs = self.findValueByExpression(exp)
lhs.SetValueFromCString(value, error)
self.reportError(error)
self.reportVariables()
def createResolvePendingBreakpointsHookBreakpoint(self, args):
if self.qmlTriggeredBreakpoint is None:
self.qmlTriggeredBreakpoint = \
self.target.BreakpointCreateByName("qt_v4TriggeredBreakpointHook")
bp = self.target.BreakpointCreateByName("qt_v4ResolvePendingBreakpointsHook")
bp.SetOneShot(True)
self.qmlBreakpointResolvers[bp] = lambda: \
self.doInsertQmlBreakpoint(args)
# Used in dumper auto test.
class Tester(Dumper):
def __init__(self, binary, expandedINames):
Dumper.__init__(self)
lldb.theDumper = self
self.expandedINames = set(expandedINames)
self.passExceptions = True
self.sortStructMembers = True
self.loadDumpers({})
error = lldb.SBError()
self.target = self.debugger.CreateTarget(binary, None, None, True, error)
if error.GetType():
warn("ERROR: %s" % error)
return
s = threading.Thread(target=self.testLoop, args=[])
s.start()
s.join(30)
def reportDumpers(self, msg):
pass
def testLoop(self):
# Disable intermediate reporting.
savedReport = self.report
self.report = lambda stuff: 0
error = lldb.SBError()
launchInfo = lldb.SBLaunchInfo([])
launchInfo.SetWorkingDirectory(os.getcwd())
environmentList = [key + "=" + value for key,value in os.environ.items()]
launchInfo.SetEnvironmentEntries(environmentList, False)
self.process = self.target.Launch(launchInfo, error)
if error.GetType():
warn("ERROR: %s" % error)
event = lldb.SBEvent()
listener = self.debugger.GetListener()
while True:
state = self.process.GetState()
if listener.WaitForEvent(100, event):
#warn("EVENT: %s" % event)
state = lldb.SBProcess.GetStateFromEvent(event)
if state == lldb.eStateExited: # 10
break
if state == lldb.eStateStopped: # 5
stoppedThread = None
for i in xrange(0, self.process.GetNumThreads()):
thread = self.process.GetThreadAtIndex(i)
reason = thread.GetStopReason()
#warn("THREAD: %s REASON: %s" % (thread, reason))
if (reason == lldb.eStopReasonBreakpoint or
reason == lldb.eStopReasonException or
reason == lldb.eStopReasonSignal):
stoppedThread = thread
if stoppedThread:
# This seems highly fragile and depending on the "No-ops" in the
# event handling above.
frame = stoppedThread.GetFrameAtIndex(0)
line = frame.line_entry.line
if line != 0:
self.report = savedReport
self.process.SetSelectedThread(stoppedThread)
self.reportVariables()
#self.reportLocation(frame)
self.report("@NS@%s@" % self.qtNamespace())
#self.report("ENV=%s" % os.environ.items())
#self.report("DUMPER=%s" % self.qqDumpers)
break
else:
warn('TIMEOUT')
warn("Cannot determined stopped thread")
lldb.SBDebugger.Destroy(self.debugger)