forked from qt-creator/qt-creator
9040c4081e
They are not usable in core files. Change-Id: I2134b61f27c27862c12a679d0acf7bebc9fcc7a2 Reviewed-by: Orgad Shaneh <orgads@gmail.com> Reviewed-by: hjk <hjk@qt.io>
1416 lines
52 KiB
Python
1416 lines
52 KiB
Python
############################################################################
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#
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# Copyright (C) 2016 The Qt Company Ltd.
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# Contact: https://www.qt.io/licensing/
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#
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# This file is part of Qt Creator.
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#
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# Commercial License Usage
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# Licensees holding valid commercial Qt licenses may use this file in
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# accordance with the commercial license agreement provided with the
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# Software or, alternatively, in accordance with the terms contained in
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# a written agreement between you and The Qt Company. For licensing terms
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# and conditions see https://www.qt.io/terms-conditions. For further
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# information use the contact form at https://www.qt.io/contact-us.
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#
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# GNU General Public License Usage
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# Alternatively, this file may be used under the terms of the GNU
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# General Public License version 3 as published by the Free Software
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# Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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# included in the packaging of this file. Please review the following
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# information to ensure the GNU General Public License requirements will
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# be met: https://www.gnu.org/licenses/gpl-3.0.html.
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#
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############################################################################
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try:
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import __builtin__
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except:
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import builtins
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import gdb
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import os
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import os.path
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import sys
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import struct
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import types
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from dumper import *
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#######################################################################
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#
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# Infrastructure
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#
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#######################################################################
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def safePrint(output):
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try:
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print(output)
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except:
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out = ""
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for c in output:
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cc = ord(c)
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if cc > 127:
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out += "\\\\%d" % cc
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elif cc < 0:
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out += "\\\\%d" % (cc + 256)
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else:
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out += c
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print(out)
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def registerCommand(name, func):
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class Command(gdb.Command):
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def __init__(self):
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super(Command, self).__init__(name, gdb.COMMAND_OBSCURE)
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def invoke(self, args, from_tty):
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safePrint(func(args))
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Command()
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#######################################################################
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#
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# Convenience
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#
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#######################################################################
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# Just convienience for 'python print ...'
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class PPCommand(gdb.Command):
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def __init__(self):
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super(PPCommand, self).__init__("pp", gdb.COMMAND_OBSCURE)
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def invoke(self, args, from_tty):
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print(eval(args))
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PPCommand()
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# Just convienience for 'python print gdb.parse_and_eval(...)'
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class PPPCommand(gdb.Command):
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def __init__(self):
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super(PPPCommand, self).__init__("ppp", gdb.COMMAND_OBSCURE)
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def invoke(self, args, from_tty):
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print(gdb.parse_and_eval(args))
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PPPCommand()
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def scanStack(p, n):
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p = int(p)
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r = []
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for i in xrange(n):
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f = gdb.parse_and_eval("{void*}%s" % p)
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m = gdb.execute("info symbol %s" % f, to_string=True)
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if not m.startswith("No symbol matches"):
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r.append(m)
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p += f.type.sizeof
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return r
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class ScanStackCommand(gdb.Command):
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def __init__(self):
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super(ScanStackCommand, self).__init__("scanStack", gdb.COMMAND_OBSCURE)
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def invoke(self, args, from_tty):
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if len(args) == 0:
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args = 20
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safePrint(scanStack(gdb.parse_and_eval("$sp"), int(args)))
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ScanStackCommand()
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#######################################################################
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#
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# Import plain gdb pretty printers
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#
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#######################################################################
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class PlainDumper:
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def __init__(self, printer):
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self.printer = printer
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self.typeCache = {}
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def __call__(self, d, value):
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try:
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printer = self.printer.gen_printer(value)
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except:
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printer = self.printer.invoke(value)
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lister = getattr(printer, "children", None)
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children = [] if lister is None else list(lister())
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d.putType(self.printer.name)
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val = printer.to_string()
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if isinstance(val, str):
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d.putValue(val)
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elif sys.version_info[0] <= 2 and isinstance(val, unicode):
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d.putValue(val)
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else: # Assuming LazyString
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d.putCharArrayHelper(val.address, val.length, val.type)
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d.putNumChild(len(children))
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if d.isExpanded():
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with Children(d):
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for child in children:
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d.putSubItem(child[0], child[1])
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def importPlainDumpers(args):
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if args == "off":
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try:
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gdb.execute("disable pretty-printer .* .*")
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except:
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# Might occur in non-ASCII directories
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warn("COULD NOT DISABLE PRETTY PRINTERS")
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else:
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theDumper.importPlainDumpers()
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registerCommand("importPlainDumpers", importPlainDumpers)
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class OutputSafer:
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def __init__(self, d):
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self.d = d
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def __enter__(self):
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self.savedOutput = self.d.output
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self.d.output = []
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def __exit__(self, exType, exValue, exTraceBack):
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if self.d.passExceptions and not exType is None:
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showException("OUTPUTSAFER", exType, exValue, exTraceBack)
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self.d.output = self.savedOutput
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else:
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self.savedOutput.extend(self.d.output)
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self.d.output = self.savedOutput
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return False
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#######################################################################
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#
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# The Dumper Class
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#
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#######################################################################
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class Dumper(DumperBase):
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def __init__(self):
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DumperBase.__init__(self)
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# These values will be kept between calls to 'fetchVariables'.
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self.isGdb = True
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self.typeCache = {}
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self.interpreterBreakpointResolvers = []
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def prepare(self, args):
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self.output = []
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self.setVariableFetchingOptions(args)
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def fromFrameValue(self, nativeValue):
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#warn("FROM FRAME VALUE: %s" % nativeValue.address)
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val = nativeValue
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try:
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val = nativeValue.cast(nativeValue.dynamic_type)
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except:
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pass
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return self.fromNativeValue(val)
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def fromNativeValue(self, nativeValue):
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#warn("FROM NATIVE VALUE: %s" % nativeValue.address)
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self.check(isinstance(nativeValue, gdb.Value))
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nativeType = nativeValue.type
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code = nativeType.code
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if code == gdb.TYPE_CODE_REF:
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targetType = self.fromNativeType(nativeType.target().unqualified(), nativeValue)
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val = self.createReferenceValue(toInteger(nativeValue.address), targetType)
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#warn("CREATED REF: %s" % val)
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return val
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if code == gdb.TYPE_CODE_PTR:
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try:
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nativeTargetValue = nativeValue.dereference()
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except:
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nativeTargetValue = None
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targetType = self.fromNativeType(nativeType.target().unqualified(), nativeTargetValue)
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val = self.createPointerValue(toInteger(nativeValue), targetType)
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#warn("CREATED PTR 1: %s" % val)
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if not nativeValue.address is None:
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val.laddress = toInteger(nativeValue.address)
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#warn("CREATED PTR 2: %s" % val)
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return val
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if code == gdb.TYPE_CODE_TYPEDEF:
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targetType = nativeType.strip_typedefs().unqualified()
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#warn("TARGET TYPE: %s" % targetType)
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if targetType.code == gdb.TYPE_CODE_ARRAY:
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val = self.Value(self)
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val.laddress = toInteger(nativeValue.address)
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else:
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# Cast may fail (e.g for arrays, see test for Bug5799)
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val = self.fromNativeValue(nativeValue.cast(targetType))
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val.type = self.fromNativeType(nativeType, nativeValue)
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#warn("CREATED TYPEDEF: %s" % val)
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return val
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val = self.Value(self)
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if not nativeValue.address is None:
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val.laddress = toInteger(nativeValue.address)
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else:
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size = nativeType.sizeof
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chars = self.lookupNativeType("unsigned char")
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y = nativeValue.cast(chars.array(0, int(nativeType.sizeof - 1)))
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buf = bytearray(struct.pack('x' * size))
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for i in range(size):
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buf[i] = int(y[i])
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val.ldata = bytes(buf)
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val.type = self.fromNativeType(nativeType, nativeValue)
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val.lIsInScope = not nativeValue.is_optimized_out
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code = nativeType.code
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if code == gdb.TYPE_CODE_ENUM:
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val.ldisplay = str(nativeValue)
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intval = int(nativeValue)
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if val.ldisplay != intval:
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val.ldisplay += ' (%s)' % intval
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elif code == gdb.TYPE_CODE_COMPLEX:
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val.ldisplay = str(nativeValue)
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#elif code == gdb.TYPE_CODE_ARRAY:
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# val.type.ltarget = nativeValue[0].type.unqualified()
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return val
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def ptrSize(self):
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result = gdb.lookup_type('void').pointer().sizeof
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self.ptrSize = lambda: result
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return result
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def fromNativeType(self, nativeType, nativeValue = None):
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self.check(isinstance(nativeType, gdb.Type))
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code = nativeType.code
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#warn('FROM NATIVE TYPE: %s' % nativeType)
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nativeType = nativeType.unqualified()
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if code == gdb.TYPE_CODE_PTR:
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#warn('PTR')
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if nativeValue is not None:
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nativeValue = nativeValue.dereference()
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targetType = self.fromNativeType(nativeType.target().unqualified(), nativeValue)
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return self.createPointerType(targetType)
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if code == gdb.TYPE_CODE_REF:
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#warn('REF')
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targetType = self.fromNativeType(nativeType.target().unqualified())
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return self.createReferenceType(targetType)
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if code == gdb.TYPE_CODE_ARRAY:
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#warn('ARRAY')
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nativeTargetType = nativeType.target().unqualified()
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targetType = self.fromNativeType(nativeTargetType)
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count = nativeType.sizeof // nativeTargetType.sizeof
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return self.createArrayType(targetType, count)
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if code == gdb.TYPE_CODE_TYPEDEF:
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#warn('TYPEDEF')
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nativeTargetType = nativeType.unqualified()
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while nativeTargetType.code == gdb.TYPE_CODE_TYPEDEF:
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nativeTargetType = nativeTargetType.strip_typedefs().unqualified()
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targetType = self.fromNativeType(nativeTargetType)
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return self.createTypedefedType(targetType, str(nativeType))
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if code == gdb.TYPE_CODE_ERROR:
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warn('Type error: %s' % nativeType)
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return self.Type(self, '')
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typeId = self.nativeTypeId(nativeType)
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res = self.typeData.get(typeId, None)
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if res is None:
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tdata = self.TypeData(self)
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tdata.name = str(nativeType)
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tdata.typeId = typeId
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tdata.lbitsize = nativeType.sizeof * 8
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tdata.code = {
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#gdb.TYPE_CODE_TYPEDEF : TypeCodeTypedef, # Handled above.
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gdb.TYPE_CODE_METHOD : TypeCodeFunction,
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gdb.TYPE_CODE_VOID : TypeCodeVoid,
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gdb.TYPE_CODE_FUNC : TypeCodeFunction,
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gdb.TYPE_CODE_METHODPTR : TypeCodeFunction,
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gdb.TYPE_CODE_MEMBERPTR : TypeCodeFunction,
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#gdb.TYPE_CODE_PTR : TypeCodePointer, # Handled above.
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#gdb.TYPE_CODE_REF : TypeCodeReference, # Handled above.
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gdb.TYPE_CODE_BOOL : TypeCodeIntegral,
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gdb.TYPE_CODE_CHAR : TypeCodeIntegral,
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gdb.TYPE_CODE_INT : TypeCodeIntegral,
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gdb.TYPE_CODE_FLT : TypeCodeFloat,
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gdb.TYPE_CODE_ENUM : TypeCodeEnum,
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#gdb.TYPE_CODE_ARRAY : TypeCodeArray,
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gdb.TYPE_CODE_STRUCT : TypeCodeStruct,
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gdb.TYPE_CODE_UNION : TypeCodeStruct,
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gdb.TYPE_CODE_COMPLEX : TypeCodeComplex,
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gdb.TYPE_CODE_STRING : TypeCodeFortranString,
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}[code]
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if tdata.code == TypeCodeEnum:
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tdata.enumDisplay = lambda intval : \
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self.nativeTypeEnumDisplay(nativeType, intval)
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if tdata.code == TypeCodeStruct:
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tdata.lalignment = lambda : \
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self.nativeStructAlignment(nativeType)
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tdata.lfields = self.listMembers(nativeType, nativeValue)
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#tdata.lfieldByName = lambda name : \
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# self.nativeTypeFieldTypeByName(nativeType, name)
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tdata.templateArguments = self.listTemplateParameters(nativeType)
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self.registerType(typeId, tdata) # Fix up fields and template args
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# warn('CREATE TYPE: %s' % typeId)
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#else:
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# warn('REUSE TYPE: %s' % typeId)
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return self.Type(self, typeId)
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def listTemplateParameters(self, nativeType):
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targs = []
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pos = 0
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while True:
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try:
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targ = nativeType.template_argument(pos)
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except:
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break
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if isinstance(targ, gdb.Type):
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targs.append(self.fromNativeType(targ.unqualified()))
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elif isinstance(targ, gdb.Value):
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targs.append(self.fromNativeValue(targ).value())
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else:
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error('UNKNOWN TEMPLATE PARAMETER')
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pos += 1
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return targs
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def nativeTypeEnumDisplay(self, nativeType, intval):
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try:
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val = gdb.parse_and_eval('(%s)%d' % (nativeType, intval))
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return '%s (%d)' % (val, intval)
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except:
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return '%d' % intval
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def nativeTypeId(self, nativeType):
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name = str(nativeType)
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if len(name) == 0:
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c = '0'
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elif name == 'union {...}':
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c = 'u'
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elif name.endswith('{...}'):
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c = 's'
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else:
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return name
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typeId = c + ''.join(['{%s:%s}' % (f.name, self.nativeTypeId(f.type))
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for f in nativeType.fields()])
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return typeId
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def nativeStructAlignment(self, nativeType):
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self.preping('align ' + str(nativeType))
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#warn("NATIVE ALIGN FOR %s" % nativeType.name)
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def handleItem(nativeFieldType, align):
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a = self.fromNativeType(nativeFieldType).alignment()
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return a if a > align else align
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align = 1
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for f in nativeType.fields():
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align = handleItem(f.type, align)
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self.ping('align ' + str(nativeType))
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return align
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|
|
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#except:
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# # Happens in the BoostList dumper for a 'const bool'
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# # item named 'constant_time_size'. There isn't anything we can do
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# # in this case.
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# pass
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|
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#yield value.extractField(field)
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|
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def fromNativeField(self, nativeField):
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field = self.Field(self)
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field.name = nativeField.name
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field.isBaseClass = nativeField.is_base_class
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# Something without a name.
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# Anonymous union? We need a dummy name to distinguish
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# multiple anonymous unions in the struct.
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# Since GDB commit b5b08fb4 anonymous structs get also reported
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# with a 'None' name.
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if field.name is not None and len(field.name) == 0:
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field.name = None
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nativeFieldType = nativeField.type.unqualified()
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|
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if hasattr(nativeField, 'bitpos'):
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field.lbitpos = nativeField.bitpos
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|
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if hasattr(nativeField, 'bitsize') and nativeField.bitsize != 0:
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field.lbitsize = nativeField.bitsize
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else:
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field.lbitsize = 8 * nativeFieldType.sizeof
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|
|
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if field.lbitsize != nativeFieldType.sizeof * 8:
|
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field.ltype = self.createBitfieldType(str(nativeFieldType), field.lbitsize)
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else:
|
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field.ltype = self.fromNativeType(nativeFieldType)
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return field
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|
|
|
def memberFromField(self, nativeValue, nativeField):
|
|
if nativeField.is_base_class:
|
|
return nativeValue.cast(nativeField.type)
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try:
|
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return nativeValue[nativeField]
|
|
except:
|
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pass
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|
try:
|
|
return nativeValue[nativeField.name]
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|
except:
|
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pass
|
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return None
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|
|
|
def listMembers(self, nativeType, nativeValue):
|
|
#warn("LISTING MEMBERS OF %s" % nativeType)
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|
try:
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nativeValueAddress = toInteger(nativeValue.address)
|
|
except:
|
|
nativeValueAddress = None
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|
|
|
if nativeValue is None or nativeValueAddress is None:
|
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return lambda value : self.listDelayedMembers(nativeType, value)
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|
|
|
def needsDeep(someNativeType):
|
|
if someNativeType.sizeof >= ptrSize:
|
|
for nativeField in someNativeType.fields():
|
|
if nativeField.is_base_class:
|
|
if nativeField.bitpos < 0 or needsDeep(nativeField.type):
|
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return True
|
|
return False
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|
|
ptrSize = self.ptrSize()
|
|
if needsDeep(nativeType):
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return self.listDeepMembers(nativeType, nativeValue, nativeValueAddress)
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return self.listSimpleMembers(nativeType, nativeValue, nativeValueAddress)
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|
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def listSimpleMembers(self, nativeType, nativeValue, nativeValueAddress):
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#warn('SIMPLE FIELDS FOR %s' % nativeType)
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fields = []
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for nativeField in nativeType.fields():
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nativeFieldType = nativeField.type.unqualified()
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#warn('SIMPLE FIELD: %s' % nativeField.name)
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#warn(' BITSIZE: %s' % nativeField.bitsize)
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#warn(' NAME: %s' % nativeField.name)
|
|
#warn(' TYPE: %s' % nativeFieldType)
|
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#warn(' TYPEID: %s' % self.nativeTypeId(nativeFieldType))
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|
field = self.fromNativeField(nativeField)
|
|
if field.ltype.code != TypeCodeBitfield:
|
|
nativeMember = self.memberFromField(nativeValue, nativeField)
|
|
if nativeMember is None:
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warn('CANNOT EXTRACT FIELD %s FROM %s' % (nativeField.name, nativeValue))
|
|
#continue
|
|
if nativeMember.address is None: # Could be a static member.
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|
warn('NO ADDRESS OF %s' % nativeMember)
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continue
|
|
nativeMemberAddress = toInteger(nativeMember.address)
|
|
offset = nativeMemberAddress - nativeValueAddress
|
|
field.lbitpos = 8 * offset
|
|
fields.append(field)
|
|
return fields
|
|
|
|
def listDelayedMembers(self, nativeType, value):
|
|
#warn('DELAYED FIELDS FOR %s' % nativeType)
|
|
if value.laddress is None:
|
|
error('No address for object of type %s' % nativeType)
|
|
nativeTypePointer = nativeType.unqualified().pointer()
|
|
nativeValue = gdb.Value(value.laddress).cast(nativeTypePointer).dereference()
|
|
return self.listSimpleMembers(nativeType, nativeValue, value.laddress)
|
|
|
|
# The is expensive as it recurses through all base classes. Ideally this
|
|
# should only be used if virtual inheritance is known to be involved.
|
|
def listDeepMembers(self, nativeType, nativeValue, nativeBaseAddress, bpbase = 0):
|
|
#warn('DEEP FIELDS FOR %s AT 0x%x' % (nativeType, nativeBaseAddress))
|
|
fields = []
|
|
for nativeField in nativeType.fields():
|
|
nativeFieldType = nativeField.type.unqualified()
|
|
#warn('DEEP FIELD: %s' % nativeField.name)
|
|
#warn(' SIZE: %s' % nativeField.bitsize)
|
|
#warn(' POS: %s' % nativeField.bitpos)
|
|
#warn(' BPBASE: %s' % bpbase)
|
|
#warn(' ARTIFICIAL: %s' % nativeField.artificial)
|
|
#warn(' NAME: %s' % nativeField.name)
|
|
#warn(' TYPE: %s' % nativeFieldType)
|
|
#warn(' TYPEID: %s' % self.nativeTypeId(nativeFieldType))
|
|
nativeMember = self.memberFromField(nativeValue, nativeField)
|
|
if nativeField.is_base_class:
|
|
#warn(' THIS IS VIRTUAL BASE OF TYPE %s' % nativeField.type)
|
|
# This is a virtual base, we need to recurse *now*, as later
|
|
# there is no way to generate a nativeValue with this type.
|
|
#warn(' NATIVE MEMBER: %s' % nativeMember)
|
|
pureFieldType = self.fromNativeType(nativeFieldType)
|
|
fieldTypeId = pureFieldType.typeId + ' in ' + str(nativeType)
|
|
fieldTypeData = pureFieldType.typeData().copy()
|
|
bp = - nativeField.bitpos
|
|
fieldTypeData.lfields = self.listDeepMembers(
|
|
nativeField.type, nativeMember, nativeBaseAddress, bpbase + bp - 64)
|
|
self.registerType(fieldTypeId, fieldTypeData)
|
|
|
|
field = self.Field(self)
|
|
field.name = nativeField.name
|
|
#field.name = fieldTypeId
|
|
field.ltype = self.Type(self, fieldTypeId)
|
|
field.isBaseClass = True
|
|
field.isArtificial = True
|
|
field.lbitsize = None
|
|
field.lbitpos = None
|
|
|
|
fields.append(field)
|
|
else:
|
|
# This is a normal field or non-virtual base.
|
|
field = self.fromNativeField(nativeField)
|
|
if field.ltype.code != TypeCodeBitfield:
|
|
#if field.lbitpos is None:
|
|
try:
|
|
nativeMemberAddress = toInteger(nativeMember.address)
|
|
#warn(' NATIVE MEMBER ADDRESS: 0x%x' % nativeMemberAddress)
|
|
offset = nativeMemberAddress - nativeBaseAddress
|
|
#offset = bpbase + nativeField.bitpos
|
|
#warn("DEEP OFFSET: %s POS: %s" % (offset // 8, field.lbitpos // 8))
|
|
field.lbitpos = offset * 8
|
|
except:
|
|
field.lbitpos = None
|
|
field.lvalue = "XXX"
|
|
#else:
|
|
# warn("REUSING BITPOS %s FOR %s" % (field.lbitpos, field.name))
|
|
fields.append(field)
|
|
return fields
|
|
|
|
|
|
def listLocals(self, partialVar):
|
|
frame = gdb.selected_frame()
|
|
|
|
try:
|
|
block = frame.block()
|
|
#warn('BLOCK: %s ' % block)
|
|
except RuntimeError as error:
|
|
#warn('BLOCK IN FRAME NOT ACCESSIBLE: %s' % error)
|
|
return []
|
|
except:
|
|
warn('BLOCK NOT ACCESSIBLE FOR UNKNOWN REASONS')
|
|
return []
|
|
|
|
items = []
|
|
shadowed = {}
|
|
while True:
|
|
if block is None:
|
|
warn("UNEXPECTED 'None' BLOCK")
|
|
break
|
|
for symbol in block:
|
|
|
|
# Filter out labels etc.
|
|
if symbol.is_variable or symbol.is_argument:
|
|
name = symbol.print_name
|
|
|
|
if name == "__in_chrg" or name == "__PRETTY_FUNCTION__":
|
|
continue
|
|
|
|
if not partialVar is None and partialVar != name:
|
|
continue
|
|
|
|
# "NotImplementedError: Symbol type not yet supported in
|
|
# Python scripts."
|
|
#warn("SYMBOL %s (%s, %s)): " % (symbol, name, symbol.name))
|
|
if self.passExceptions and not self.isTesting:
|
|
nativeValue = frame.read_var(name, block)
|
|
value = self.fromFrameValue(nativeValue)
|
|
value.name = name
|
|
#warn("READ 0: %s" % value.stringify())
|
|
items.append(value)
|
|
continue
|
|
|
|
try:
|
|
# Same as above, but for production.
|
|
nativeValue = frame.read_var(name, block)
|
|
value = self.fromFrameValue(nativeValue)
|
|
value.name = name
|
|
items.append(value)
|
|
#warn("READ 1: %s" % value.stringify())
|
|
continue
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
#warn("READ 2: %s" % item.value)
|
|
value = self.fromFrameValue(frame.read_var(name))
|
|
value.name = name
|
|
items.append(value)
|
|
continue
|
|
except:
|
|
# RuntimeError: happens for
|
|
# void foo() { std::string s; std::wstring w; }
|
|
# ValueError: happens for (as of 2010/11/4)
|
|
# a local struct as found e.g. in
|
|
# gcc sources in gcc.c, int execute()
|
|
pass
|
|
|
|
try:
|
|
#warn("READ 3: %s %s" % (name, item.value))
|
|
#warn("ITEM 3: %s" % item.value)
|
|
value = self.fromFrameValue(gdb.parse_and_eval(name))
|
|
value.name = name
|
|
items.append(value)
|
|
except:
|
|
# Can happen in inlined code (see last line of
|
|
# RowPainter::paintChars(): "RuntimeError:
|
|
# No symbol \"__val\" in current context.\n"
|
|
pass
|
|
|
|
# The outermost block in a function has the function member
|
|
# FIXME: check whether this is guaranteed.
|
|
if not block.function is None:
|
|
break
|
|
|
|
block = block.superblock
|
|
|
|
return items
|
|
|
|
# Hack to avoid QDate* dumper timeouts with GDB 7.4 on 32 bit
|
|
# due to misaligned %ebx in SSE calls (qstring.cpp:findChar)
|
|
# This seems to be fixed in 7.9 (or earlier)
|
|
def canCallLocale(self):
|
|
return self.ptrSize() == 8
|
|
|
|
def fetchVariables(self, args):
|
|
self.resetStats()
|
|
self.prepare(args)
|
|
|
|
self.preping('endian')
|
|
self.isBigEndian = gdb.execute('show endian', to_string = True).find('big endian') > 0
|
|
self.ping('endian')
|
|
self.packCode = '>' if self.isBigEndian else '<'
|
|
|
|
(ok, res) = self.tryFetchInterpreterVariables(args)
|
|
if ok:
|
|
safePrint(res)
|
|
return
|
|
|
|
self.output.append('data=[')
|
|
|
|
partialVar = args.get("partialvar", "")
|
|
isPartial = len(partialVar) > 0
|
|
partialName = partialVar.split('.')[1].split('@')[0] if isPartial else None
|
|
|
|
variables = self.listLocals(partialName)
|
|
#warn("VARIABLES: %s" % variables)
|
|
|
|
# Take care of the return value of the last function call.
|
|
if len(self.resultVarName) > 0:
|
|
try:
|
|
value = self.parseAndEvaluate(self.resultVarName)
|
|
value.name = self.resultVarName
|
|
value.iname = "return." + self.resultVarName
|
|
variables.append(value)
|
|
except:
|
|
# Don't bother. It's only supplementary information anyway.
|
|
pass
|
|
|
|
self.handleLocals(variables)
|
|
self.handleWatches(args)
|
|
|
|
self.output.append('],typeinfo=[')
|
|
for name in self.typesToReport.keys():
|
|
typeobj = self.typesToReport[name]
|
|
# Happens e.g. for '(anonymous namespace)::InsertDefOperation'
|
|
#if not typeobj is None:
|
|
# self.output.append('{name="%s",size="%s"}'
|
|
# % (self.hexencode(name), typeobj.sizeof))
|
|
self.output.append(']')
|
|
self.typesToReport = {}
|
|
|
|
if self.forceQtNamespace:
|
|
self.qtNamepaceToReport = self.qtNamespace()
|
|
|
|
if self.qtNamespaceToReport:
|
|
self.output.append(',qtnamespace="%s"' % self.qtNamespaceToReport)
|
|
self.qtNamespaceToReport = None
|
|
|
|
self.output.append(',partial="%d"' % isPartial)
|
|
|
|
self.preping('safePrint')
|
|
safePrint(''.join(self.output))
|
|
self.ping('safePrint')
|
|
safePrint('"%s"' % str(self.dumpStats()))
|
|
|
|
def parseAndEvaluate(self, exp):
|
|
#warn("EVALUATE '%s'" % exp)
|
|
try:
|
|
val = gdb.parse_and_eval(exp)
|
|
except RuntimeError as error:
|
|
if self.passExceptions:
|
|
warn("Cannot evaluate '%s': %s" % (exp, error))
|
|
return None
|
|
return self.fromNativeValue(val)
|
|
|
|
def callHelper(self, rettype, value, function, args):
|
|
# args is a tuple.
|
|
arg = ""
|
|
for i in range(len(args)):
|
|
if i:
|
|
arg += ','
|
|
a = args[i]
|
|
if (':' in a) and not ("'" in a):
|
|
arg = "'%s'" % a
|
|
else:
|
|
arg += a
|
|
|
|
#warn("CALL: %s -> %s(%s)" % (value, function, arg))
|
|
typeName = value.type.name
|
|
if typeName.find(":") >= 0:
|
|
typeName = "'" + typeName + "'"
|
|
# 'class' is needed, see http://sourceware.org/bugzilla/show_bug.cgi?id=11912
|
|
#exp = "((class %s*)%s)->%s(%s)" % (typeName, value.laddress, function, arg)
|
|
addr = value.laddress
|
|
if addr is None:
|
|
addr = self.pokeValue(value)
|
|
#warn("PTR: %s -> %s(%s)" % (value, function, addr))
|
|
exp = "((%s*)0x%x)->%s(%s)" % (typeName, addr, function, arg)
|
|
#warn("CALL: %s" % exp)
|
|
result = gdb.parse_and_eval(exp)
|
|
warn(" -> %s" % result)
|
|
res = self.fromNativeValue(result)
|
|
if value.laddress is None:
|
|
self.releaseValue(addr)
|
|
return res
|
|
|
|
def makeExpression(self, value):
|
|
typename = "::" + value.type.name
|
|
#warn(" TYPE: %s" % typename)
|
|
exp = "(*(%s*)(0x%x))" % (typename, value.address())
|
|
#warn(" EXP: %s" % exp)
|
|
return exp
|
|
|
|
def makeStdString(init):
|
|
# Works only for small allocators, but they are usually empty.
|
|
gdb.execute("set $d=(std::string*)calloc(sizeof(std::string), 2)");
|
|
gdb.execute("call($d->basic_string(\"" + init +
|
|
"\",*(std::allocator<char>*)(1+$d)))")
|
|
value = gdb.parse_and_eval("$d").dereference()
|
|
#warn(" TYPE: %s" % value.type)
|
|
#warn(" ADDR: %s" % value.address)
|
|
#warn(" VALUE: %s" % value)
|
|
return value
|
|
|
|
def pokeValue(self, value):
|
|
# Allocates inferior memory and copies the contents of value.
|
|
# Returns a pointer to the copy.
|
|
# Avoid malloc symbol clash with QVector
|
|
size = value.type.size()
|
|
data = value.data()
|
|
h = self.hexencode(data)
|
|
#warn("DATA: %s" % h
|
|
string = ''.join("\\x" + h[2*i:2*i+2] for i in range(size))
|
|
exp = '(%s*)memcpy(calloc(%d, 1), "%s", %d)' \
|
|
% (value.type.name, size, string, size)
|
|
#warn("EXP: %s" % exp)
|
|
res = gdb.parse_and_eval(exp)
|
|
#warn("RES: %s" % res)
|
|
return toInteger(res)
|
|
|
|
def releaseValue(self, address):
|
|
gdb.parse_and_eval('free(0x%x)' % address)
|
|
|
|
def setValue(self, address, typename, value):
|
|
cmd = "set {%s}%s=%s" % (typename, address, value)
|
|
gdb.execute(cmd)
|
|
|
|
def setValues(self, address, typename, values):
|
|
cmd = "set {%s[%s]}%s={%s}" \
|
|
% (typename, len(values), address, ','.join(map(str, values)))
|
|
gdb.execute(cmd)
|
|
|
|
def selectedInferior(self):
|
|
try:
|
|
# gdb.Inferior is new in gdb 7.2
|
|
self.cachedInferior = gdb.selected_inferior()
|
|
except:
|
|
# Pre gdb 7.4. Right now we don't have more than one inferior anyway.
|
|
self.cachedInferior = gdb.inferiors()[0]
|
|
|
|
# Memoize result.
|
|
self.selectedInferior = lambda: self.cachedInferior
|
|
return self.cachedInferior
|
|
|
|
def readRawMemory(self, address, size):
|
|
#warn('READ: %s FROM 0x%x' % (size, address))
|
|
if address == 0 or size == 0:
|
|
return bytes()
|
|
self.preping('readMem')
|
|
res = self.selectedInferior().read_memory(address, size)
|
|
self.ping('readMem')
|
|
return res
|
|
|
|
def findStaticMetaObject(self, typename):
|
|
symbolName = typename + "::staticMetaObject"
|
|
symbol = gdb.lookup_global_symbol(symbolName, gdb.SYMBOL_VAR_DOMAIN)
|
|
if not symbol:
|
|
return 0
|
|
try:
|
|
# Older GDB ~7.4 don't have gdb.Symbol.value()
|
|
return toInteger(symbol.value().address)
|
|
except:
|
|
pass
|
|
|
|
address = gdb.parse_and_eval("&'%s'" % symbolName)
|
|
return toInteger(address)
|
|
|
|
def put(self, value):
|
|
self.output.append(value)
|
|
|
|
def isArmArchitecture(self):
|
|
return 'arm' in gdb.TARGET_CONFIG.lower()
|
|
|
|
def isQnxTarget(self):
|
|
return 'qnx' in gdb.TARGET_CONFIG.lower()
|
|
|
|
def isWindowsTarget(self):
|
|
# We get i686-w64-mingw32
|
|
return 'mingw' in gdb.TARGET_CONFIG.lower()
|
|
|
|
def isMsvcTarget(self):
|
|
return False
|
|
|
|
def prettySymbolByAddress(self, address):
|
|
try:
|
|
return str(gdb.parse_and_eval('(void(*))0x%x' % address))
|
|
except:
|
|
return '0x%x' % address
|
|
|
|
def qtVersionString(self):
|
|
try:
|
|
return str(gdb.lookup_symbol("qVersion")[0].value()())
|
|
except:
|
|
pass
|
|
try:
|
|
ns = self.qtNamespace()
|
|
return str(gdb.parse_and_eval("((const char*(*)())'%sqVersion')()" % ns))
|
|
except:
|
|
pass
|
|
return None
|
|
|
|
def qtVersion(self):
|
|
try:
|
|
# Only available with Qt 5.3+
|
|
qtversion = int(str(gdb.parse_and_eval("((void**)&qtHookData)[2]")), 16)
|
|
self.qtVersion = lambda: qtversion
|
|
return qtversion
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
version = self.qtVersionString()
|
|
(major, minor, patch) = version[version.find('"')+1:version.rfind('"')].split('.')
|
|
qtversion = 0x10000 * int(major) + 0x100 * int(minor) + int(patch)
|
|
self.qtVersion = lambda: qtversion
|
|
return qtversion
|
|
except:
|
|
# Use fallback until we have a better answer.
|
|
return self.fallbackQtVersion
|
|
|
|
def createSpecialBreakpoints(self, args):
|
|
self.specialBreakpoints = []
|
|
def newSpecial(spec):
|
|
class SpecialBreakpoint(gdb.Breakpoint):
|
|
def __init__(self, spec):
|
|
super(SpecialBreakpoint, self).\
|
|
__init__(spec, gdb.BP_BREAKPOINT, internal=True)
|
|
self.spec = spec
|
|
|
|
def stop(self):
|
|
print("Breakpoint on '%s' hit." % self.spec)
|
|
return True
|
|
return SpecialBreakpoint(spec)
|
|
|
|
# FIXME: ns is accessed too early. gdb.Breakpoint() has no
|
|
# 'rbreak' replacement, and breakpoints created with
|
|
# 'gdb.execute("rbreak...") cannot be made invisible.
|
|
# So let's ignore the existing of namespaced builds for this
|
|
# fringe feature here for now.
|
|
ns = self.qtNamespace()
|
|
if args.get('breakonabort', 0):
|
|
self.specialBreakpoints.append(newSpecial("abort"))
|
|
|
|
if args.get('breakonwarning', 0):
|
|
self.specialBreakpoints.append(newSpecial(ns + "qWarning"))
|
|
self.specialBreakpoints.append(newSpecial(ns + "QMessageLogger::warning"))
|
|
|
|
if args.get('breakonfatal', 0):
|
|
self.specialBreakpoints.append(newSpecial(ns + "qFatal"))
|
|
self.specialBreakpoints.append(newSpecial(ns + "QMessageLogger::fatal"))
|
|
|
|
#def threadname(self, maximalStackDepth, objectPrivateType):
|
|
# e = gdb.selected_frame()
|
|
# out = ""
|
|
# ns = self.qtNamespace()
|
|
# while True:
|
|
# maximalStackDepth -= 1
|
|
# if maximalStackDepth < 0:
|
|
# break
|
|
# e = e.older()
|
|
# if e == None or e.name() == None:
|
|
# break
|
|
# if e.name() == ns + "QThreadPrivate::start" \
|
|
# or e.name() == "_ZN14QThreadPrivate5startEPv@4":
|
|
# try:
|
|
# thrptr = e.read_var("thr").dereference()
|
|
# d_ptr = thrptr["d_ptr"]["d"].cast(objectPrivateType).dereference()
|
|
# try:
|
|
# objectName = d_ptr["objectName"]
|
|
# except: # Qt 5
|
|
# p = d_ptr["extraData"]
|
|
# if not self.isNull(p):
|
|
# objectName = p.dereference()["objectName"]
|
|
# if not objectName is None:
|
|
# (data, size, alloc) = self.stringData(objectName)
|
|
# if size > 0:
|
|
# s = self.readMemory(data, 2 * size)
|
|
#
|
|
# thread = gdb.selected_thread()
|
|
# inner = '{valueencoded="uf16:2:0",id="'
|
|
# inner += str(thread.num) + '",value="'
|
|
# inner += s
|
|
# #inner += self.encodeString(objectName)
|
|
# inner += '"},'
|
|
#
|
|
# out += inner
|
|
# except:
|
|
# pass
|
|
# return out
|
|
|
|
def threadnames(self, maximalStackDepth):
|
|
# FIXME: This needs a proper implementation for MinGW, and only there.
|
|
# Linux, Mac and QNX mirror the objectName() to the underlying threads,
|
|
# so we get the names already as part of the -thread-info output.
|
|
return '[]'
|
|
#out = '['
|
|
#oldthread = gdb.selected_thread()
|
|
#if oldthread:
|
|
# try:
|
|
# objectPrivateType = gdb.lookup_type(ns + "QObjectPrivate").pointer()
|
|
# inferior = self.selectedInferior()
|
|
# for thread in inferior.threads():
|
|
# thread.switch()
|
|
# out += self.threadname(maximalStackDepth, objectPrivateType)
|
|
# except:
|
|
# pass
|
|
# oldthread.switch()
|
|
#return out + ']'
|
|
|
|
|
|
def importPlainDumper(self, printer):
|
|
name = printer.name.replace("::", "__")
|
|
self.qqDumpers[name] = PlainDumper(printer)
|
|
self.qqFormats[name] = ""
|
|
|
|
def importPlainDumpers(self):
|
|
for obj in gdb.objfiles():
|
|
for printers in obj.pretty_printers + gdb.pretty_printers:
|
|
for printer in printers.subprinters:
|
|
self.importPlainDumper(printer)
|
|
|
|
def qtNamespace(self):
|
|
self.preping('qtNamespace')
|
|
res = self.qtNamespaceX()
|
|
self.ping('qtNamespace')
|
|
return res
|
|
|
|
def qtNamespaceX(self):
|
|
if not self.currentQtNamespaceGuess is None:
|
|
return self.currentQtNamespaceGuess
|
|
|
|
# This only works when called from a valid frame.
|
|
try:
|
|
cand = "QArrayData::shared_null"
|
|
symbol = gdb.lookup_symbol(cand)[0]
|
|
if symbol:
|
|
ns = symbol.name[:-len(cand)]
|
|
self.qtNamespaceToReport = ns
|
|
self.qtNamespace = lambda: ns
|
|
return ns
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
# This is Qt, but not 5.x.
|
|
cand = "QByteArray::shared_null"
|
|
symbol = gdb.lookup_symbol(cand)[0]
|
|
if symbol:
|
|
ns = symbol.name[:-len(cand)]
|
|
self.qtNamespaceToReport = ns
|
|
self.qtNamespace = lambda: ns
|
|
self.fallbackQtVersion = 0x40800
|
|
return ns
|
|
except:
|
|
pass
|
|
|
|
self.currentQtNamespaceGuess = ''
|
|
return ''
|
|
|
|
def assignValue(self, args):
|
|
typeName = self.hexdecode(args['type'])
|
|
expr = self.hexdecode(args['expr'])
|
|
value = self.hexdecode(args['value'])
|
|
simpleType = int(args['simpleType'])
|
|
ns = self.qtNamespace()
|
|
if typeName.startswith(ns):
|
|
typeName = typeName[len(ns):]
|
|
typeName = typeName.replace("::", "__")
|
|
pos = typeName.find('<')
|
|
if pos != -1:
|
|
typeName = typeName[0:pos]
|
|
if typeName in self.qqEditable and not simpleType:
|
|
#self.qqEditable[typeName](self, expr, value)
|
|
expr = gdb.parse_and_eval(expr)
|
|
self.qqEditable[typeName](self, expr, value)
|
|
else:
|
|
cmd = "set variable (%s)=%s" % (expr, value)
|
|
gdb.execute(cmd)
|
|
|
|
def nativeDynamicTypeName(self, address, baseType):
|
|
# Needed for Gdb13393 test.
|
|
nativeType = self.lookupNativeType(baseType.name)
|
|
nativeTypePointer = nativeType.pointer()
|
|
nativeValue = gdb.Value(address).cast(nativeTypePointer).dereference()
|
|
val = nativeValue.cast(nativeValue.dynamic_type)
|
|
return str(val.type)
|
|
#try:
|
|
# vtbl = gdb.execute("info symbol {%s*}0x%x" % (baseType.name, address), to_string = True)
|
|
#except:
|
|
# return None
|
|
#pos1 = vtbl.find("vtable ")
|
|
#if pos1 == -1:
|
|
# return None
|
|
#pos1 += 11
|
|
#pos2 = vtbl.find(" +", pos1)
|
|
#if pos2 == -1:
|
|
# return None
|
|
#return vtbl[pos1 : pos2]
|
|
|
|
def nativeDynamicType(self, address, baseType):
|
|
# Needed for Gdb13393 test.
|
|
nativeType = self.lookupNativeType(baseType.name)
|
|
nativeTypePointer = nativeType.pointer()
|
|
nativeValue = gdb.Value(address).cast(nativeTypePointer).dereference()
|
|
return self.fromNativeType(nativeValue.dynamic_type)
|
|
|
|
def enumExpression(self, enumType, enumValue):
|
|
return self.qtNamespace() + "Qt::" + enumValue
|
|
|
|
def lookupNativeType(self, typeName):
|
|
nativeType = self.lookupNativeTypeHelper(typeName)
|
|
if not nativeType is None:
|
|
self.check(isinstance(nativeType, gdb.Type))
|
|
return nativeType
|
|
|
|
def lookupNativeTypeHelper(self, typeName):
|
|
typeobj = self.typeCache.get(typeName)
|
|
#warn("LOOKUP 1: %s -> %s" % (typeName, typeobj))
|
|
if not typeobj is None:
|
|
return typeobj
|
|
|
|
if typeName == "void":
|
|
typeobj = gdb.lookup_type(typeName)
|
|
self.typeCache[typeName] = typeobj
|
|
self.typesToReport[typeName] = typeobj
|
|
return typeobj
|
|
|
|
#try:
|
|
# typeobj = gdb.parse_and_eval("{%s}&main" % typeName).typeobj
|
|
# if not typeobj is None:
|
|
# self.typeCache[typeName] = typeobj
|
|
# self.typesToReport[typeName] = typeobj
|
|
# return typeobj
|
|
#except:
|
|
# pass
|
|
|
|
# See http://sourceware.org/bugzilla/show_bug.cgi?id=13269
|
|
# gcc produces "{anonymous}", gdb "(anonymous namespace)"
|
|
# "<unnamed>" has been seen too. The only thing gdb
|
|
# understands when reading things back is "(anonymous namespace)"
|
|
if typeName.find("{anonymous}") != -1:
|
|
ts = typeName
|
|
ts = ts.replace("{anonymous}", "(anonymous namespace)")
|
|
typeobj = self.lookupNativeType(ts)
|
|
if not typeobj is None:
|
|
self.typeCache[typeName] = typeobj
|
|
self.typesToReport[typeName] = typeobj
|
|
return typeobj
|
|
|
|
#warn(" RESULT FOR 7.2: '%s': %s" % (typeName, typeobj))
|
|
|
|
# This part should only trigger for
|
|
# gdb 7.1 for types with namespace separators.
|
|
# And anonymous namespaces.
|
|
|
|
ts = typeName
|
|
while True:
|
|
#warn("TS: '%s'" % ts)
|
|
if ts.startswith("class "):
|
|
ts = ts[6:]
|
|
elif ts.startswith("struct "):
|
|
ts = ts[7:]
|
|
elif ts.startswith("const "):
|
|
ts = ts[6:]
|
|
elif ts.startswith("volatile "):
|
|
ts = ts[9:]
|
|
elif ts.startswith("enum "):
|
|
ts = ts[5:]
|
|
elif ts.endswith(" const"):
|
|
ts = ts[:-6]
|
|
elif ts.endswith(" volatile"):
|
|
ts = ts[:-9]
|
|
elif ts.endswith("*const"):
|
|
ts = ts[:-5]
|
|
elif ts.endswith("*volatile"):
|
|
ts = ts[:-8]
|
|
else:
|
|
break
|
|
|
|
if ts.endswith('*'):
|
|
typeobj = self.lookupNativeType(ts[0:-1])
|
|
if not typeobj is None:
|
|
typeobj = typeobj.pointer()
|
|
self.typeCache[typeName] = typeobj
|
|
self.typesToReport[typeName] = typeobj
|
|
return typeobj
|
|
|
|
try:
|
|
#warn("LOOKING UP 1 '%s'" % ts)
|
|
typeobj = gdb.lookup_type(ts)
|
|
except RuntimeError as error:
|
|
#warn("LOOKING UP 2 '%s' ERROR %s" % (ts, error))
|
|
# See http://sourceware.org/bugzilla/show_bug.cgi?id=11912
|
|
exp = "(class '%s'*)0" % ts
|
|
try:
|
|
typeobj = self.parse_and_eval(exp).type.target()
|
|
#warn("LOOKING UP 3 '%s'" % typeobj)
|
|
except:
|
|
# Can throw "RuntimeError: No type named class Foo."
|
|
pass
|
|
except:
|
|
#warn("LOOKING UP '%s' FAILED" % ts)
|
|
pass
|
|
|
|
if not typeobj is None:
|
|
#warn("CACHING: %s" % typeobj)
|
|
self.typeCache[typeName] = typeobj
|
|
self.typesToReport[typeName] = typeobj
|
|
|
|
# This could still be None as gdb.lookup_type("char[3]") generates
|
|
# "RuntimeError: No type named char[3]"
|
|
#self.typeCache[typeName] = typeobj
|
|
#self.typesToReport[typeName] = typeobj
|
|
return typeobj
|
|
|
|
def doContinue(self):
|
|
gdb.execute('continue')
|
|
|
|
def fetchStack(self, args):
|
|
def fromNativePath(string):
|
|
return string.replace('\\', '/')
|
|
|
|
extraQml = int(args.get('extraqml', '0'))
|
|
limit = int(args['limit'])
|
|
if limit <= 0:
|
|
limit = 10000
|
|
|
|
self.prepare(args)
|
|
self.output = []
|
|
|
|
i = 0
|
|
if extraQml:
|
|
frame = gdb.newest_frame()
|
|
ns = self.qtNamespace()
|
|
needle = self.qtNamespace() + 'QV4::ExecutionEngine'
|
|
pat = "%sqt_v4StackTrace(((%sQV4::ExecutionEngine *)0x%x)->currentContext)"
|
|
done = False
|
|
while i < limit and frame and not done:
|
|
block = None
|
|
try:
|
|
block = frame.block()
|
|
except:
|
|
pass
|
|
if block is not None:
|
|
for symbol in block:
|
|
if symbol.is_variable or symbol.is_argument:
|
|
value = symbol.value(frame)
|
|
typeobj = value.type
|
|
if typeobj.code == gdb.TYPE_CODE_PTR:
|
|
dereftype = typeobj.target().unqualified()
|
|
if dereftype.name == needle:
|
|
addr = toInteger(value)
|
|
expr = pat % (ns, ns, addr)
|
|
res = str(gdb.parse_and_eval(expr))
|
|
pos = res.find('"stack=[')
|
|
if pos != -1:
|
|
res = res[pos + 8:-2]
|
|
res = res.replace('\\\"', '\"')
|
|
res = res.replace('func=', 'function=')
|
|
self.put(res)
|
|
done = True
|
|
break
|
|
frame = frame.older()
|
|
i += 1
|
|
|
|
frame = gdb.newest_frame()
|
|
self.currentCallContext = None
|
|
while i < limit and frame:
|
|
with OutputSafer(self):
|
|
name = frame.name()
|
|
functionName = "??" if name is None else name
|
|
fileName = ""
|
|
objfile = ""
|
|
symtab = ""
|
|
pc = frame.pc()
|
|
sal = frame.find_sal()
|
|
line = -1
|
|
if sal:
|
|
line = sal.line
|
|
symtab = sal.symtab
|
|
if not symtab is None:
|
|
objfile = fromNativePath(symtab.objfile.filename)
|
|
fullname = symtab.fullname()
|
|
if fullname is None:
|
|
fileName = ""
|
|
else:
|
|
fileName = fromNativePath(fullname)
|
|
|
|
if self.nativeMixed and functionName == "qt_qmlDebugMessageAvailable":
|
|
interpreterStack = self.extractInterpreterStack()
|
|
#print("EXTRACTED INTEPRETER STACK: %s" % interpreterStack)
|
|
for interpreterFrame in interpreterStack.get('frames', []):
|
|
function = interpreterFrame.get('function', '')
|
|
fileName = interpreterFrame.get('file', '')
|
|
language = interpreterFrame.get('language', '')
|
|
lineNumber = interpreterFrame.get('line', 0)
|
|
context = interpreterFrame.get('context', 0)
|
|
|
|
self.put(('frame={function="%s",file="%s",'
|
|
'line="%s",language="%s",context="%s"}')
|
|
% (function, fileName, lineNumber, language, context))
|
|
|
|
if False and self.isInternalInterpreterFrame(functionName):
|
|
frame = frame.older()
|
|
self.put(('frame={address="0x%x",function="%s",'
|
|
'file="%s",line="%s",'
|
|
'module="%s",language="c",usable="0"}') %
|
|
(pc, functionName, fileName, line, objfile))
|
|
i += 1
|
|
frame = frame.older()
|
|
continue
|
|
|
|
self.put(('frame={level="%s",address="0x%x",function="%s",'
|
|
'file="%s",line="%s",module="%s",language="c"}') %
|
|
(i, pc, functionName, fileName, line, objfile))
|
|
|
|
frame = frame.older()
|
|
i += 1
|
|
safePrint('frames=[' + ','.join(self.output) + ']')
|
|
|
|
def createResolvePendingBreakpointsHookBreakpoint(self, args):
|
|
class Resolver(gdb.Breakpoint):
|
|
def __init__(self, dumper, args):
|
|
self.dumper = dumper
|
|
self.args = args
|
|
spec = "qt_qmlDebugConnectorOpen"
|
|
super(Resolver, self).\
|
|
__init__(spec, gdb.BP_BREAKPOINT, internal=True, temporary=False)
|
|
|
|
def stop(self):
|
|
self.dumper.resolvePendingInterpreterBreakpoint(args)
|
|
self.enabled = False
|
|
return False
|
|
|
|
self.interpreterBreakpointResolvers.append(Resolver(self, args))
|
|
|
|
def exitGdb(self, _):
|
|
gdb.execute("quit")
|
|
|
|
def reportResult(self, msg, args):
|
|
print(msg)
|
|
|
|
def profile1(self, args):
|
|
"""Internal profiling"""
|
|
import tempfile
|
|
import cProfile
|
|
tempDir = tempfile.gettempdir() + "/bbprof"
|
|
cProfile.run('theDumper.fetchVariables(%s)' % args, tempDir)
|
|
import pstats
|
|
pstats.Stats(tempDir).sort_stats('time').print_stats()
|
|
|
|
def profile2(self, args):
|
|
import timeit
|
|
print(timeit.repeat('theDumper.fetchVariables(%s)' % args,
|
|
'from __main__ import theDumper', number=10))
|
|
|
|
|
|
|
|
class CliDumper(Dumper):
|
|
def __init__(self):
|
|
Dumper.__init__(self)
|
|
self.childrenPrefix = '['
|
|
self.chidrenSuffix = '] '
|
|
self.indent = 0
|
|
self.isCli = True
|
|
|
|
|
|
def put(self, line):
|
|
if self.output.endswith('\n'):
|
|
self.output = self.output[0:-1]
|
|
self.output += line
|
|
|
|
def putNumChild(self, numchild):
|
|
pass
|
|
|
|
def putOriginalAddress(self, address):
|
|
pass
|
|
|
|
def fetchVariables(self, args):
|
|
args['fancy'] = 1
|
|
args['passexception'] = 1
|
|
args['autoderef'] = 1
|
|
args['qobjectnames'] = 1
|
|
name = args['varlist']
|
|
self.prepare(args)
|
|
self.output = name + ' = '
|
|
frame = gdb.selected_frame()
|
|
value = frame.read_var(name)
|
|
with TopLevelItem(self, name):
|
|
self.putItem(value)
|
|
return self.output
|
|
|
|
# Global instance.
|
|
#if gdb.parameter('height') is None:
|
|
theDumper = Dumper()
|
|
#else:
|
|
# import codecs
|
|
# theDumper = CliDumper()
|
|
|
|
######################################################################
|
|
#
|
|
# ThreadNames Command
|
|
#
|
|
#######################################################################
|
|
|
|
def threadnames(arg):
|
|
return theDumper.threadnames(int(arg))
|
|
|
|
registerCommand("threadnames", threadnames)
|
|
|
|
#######################################################################
|
|
#
|
|
# Native Mixed
|
|
#
|
|
#######################################################################
|
|
|
|
class InterpreterMessageBreakpoint(gdb.Breakpoint):
|
|
def __init__(self):
|
|
spec = "qt_qmlDebugMessageAvailable"
|
|
super(InterpreterMessageBreakpoint, self).\
|
|
__init__(spec, gdb.BP_BREAKPOINT, internal=True)
|
|
|
|
def stop(self):
|
|
print("Interpreter event received.")
|
|
return theDumper.handleInterpreterMessage()
|
|
|
|
#InterpreterMessageBreakpoint()
|