forked from qt-creator/qt-creator
1919 lines
64 KiB
Python
1919 lines
64 KiB
Python
from __future__ import with_statement
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import sys
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import gdb
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import base64
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import __builtin__
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import os
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# Fails on Windows.
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try:
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import curses.ascii
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def printableChar(ucs):
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return select(curses.ascii.isprint(ucs), ucs, '?')
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except:
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def printableChar(ucs):
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if ucs >= 32 and ucs <= 126:
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return ucs
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return '?'
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# Fails on SimulatorQt.
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tempFileCounter = 0
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try:
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import tempfile
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# Test if 2.6 is used (Windows), trigger exception and default
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# to 2nd version.
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tempfile.NamedTemporaryFile(prefix="gdbpy_",delete=True)
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def createTempFile():
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file = tempfile.NamedTemporaryFile(prefix="gdbpy_",delete=False)
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file.close()
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return file.name, file
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except:
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def createTempFile():
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global tempFileCounter
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tempFileCounter += 1
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fileName = "%s/gdbpy_tmp_%d_%d" % (tempfile.gettempdir(), os.getpid(), tempFileCounter)
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return fileName, None
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def removeTempFile(name, file):
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try:
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os.remove(name)
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except:
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pass
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try:
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import binascii
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except:
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pass
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verbosity = 0
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verbosity = 1
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# Some "Enums"
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# Encodings
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Unencoded8Bit, \
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Base64Encoded8BitWithQuotes, \
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Base64Encoded16BitWithQuotes, \
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Base64Encoded32BitWithQuotes, \
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Base64Encoded16Bit, \
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Base64Encoded8Bit, \
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Hex2EncodedLatin1, \
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Hex4EncodedLittleEndian, \
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Hex8EncodedLittleEndian, \
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Hex2EncodedUtf8, \
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Hex8EncodedBigEndian, \
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Hex4EncodedBigEndian, \
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Hex4EncodedLittleEndianWithoutQuotes \
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= range(13)
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# Display modes
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StopDisplay, \
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DisplayImage1, \
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DisplayString, \
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DisplayImage, \
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DisplayProcess \
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= range(5)
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def select(condition, if_expr, else_expr):
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if condition:
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return if_expr
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return else_expr
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def qmin(n, m):
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if n < m:
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return n
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return m
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def isGoodGdb():
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#return gdb.VERSION.startswith("6.8.50.2009") \
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# and gdb.VERSION != "6.8.50.20090630-cvs"
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return 'parse_and_eval' in __builtin__.dir(gdb)
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def hasInferiorThreadList():
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try:
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a= gdb.inferiors()[0].threads()
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return True
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except:
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return False
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typeCache = {}
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def lookupType(typestring):
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type = typeCache.get(typestring)
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#warn("LOOKUP 1: %s -> %s" % (typestring, type))
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if type is None:
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ts = typestring
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while True:
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#WARN("ts: '%s'" % ts)
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if ts.startswith("class "):
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ts = ts[6:]
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elif ts.startswith("struct "):
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ts = ts[7:]
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elif ts.startswith("const "):
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ts = ts[6:]
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elif ts.startswith("volatile "):
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ts = ts[9:]
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elif ts.startswith("enum "):
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ts = ts[5:]
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elif ts.endswith("const"):
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ts = ts[-5:]
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elif ts.endswith("volatile"):
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ts = ts[-8:]
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else:
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break
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try:
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#warn("LOOKING UP '%s'" % ts)
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type = gdb.lookup_type(ts)
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except RuntimeError, error:
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#warn("LOOKING UP '%s': %s" % (ts, error))
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# See http://sourceware.org/bugzilla/show_bug.cgi?id=11912
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exp = "(class '%s'*)0" % ts
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try:
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type = parseAndEvaluate(exp).type.target()
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except:
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# Can throw "RuntimeError: No type named class Foo."
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pass
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except:
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#warn("LOOKING UP '%s' FAILED" % ts)
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pass
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#warn(" RESULT: '%s'" % type)
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#if not type is None:
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# warn(" FIELDS: '%s'" % type.fields())
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typeCache[typestring] = type
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if type is None and typestring.endswith('*'):
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type = lookupType(typestring[0:-1])
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if not type is None:
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type = type.pointer()
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typeCache[typestring] = type
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if type is None:
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# could be gdb.lookup_type("char[3]") generating
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# "RuntimeError: No type named char[3]"
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pass
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return type
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def cleanAddress(addr):
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if addr is None:
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return "<no address>"
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# We cannot use str(addr) as it yields rubbish for char pointers
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# that might trigger Unicode encoding errors.
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return addr.cast(lookupType("void").pointer())
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def extractTemplateArgument(type, position):
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level = 0
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skipSpace = False
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inner = ""
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type = str(type)
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for c in type[type.find('<') + 1 : -1]:
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if c == '<':
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inner += c
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level += 1
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elif c == '>':
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level -= 1
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inner += c
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elif c == ',':
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if level == 0:
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if position == 0:
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return inner
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position -= 1
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inner = ""
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else:
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inner += c
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skipSpace = True
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else:
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if skipSpace and c == ' ':
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pass
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else:
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inner += c
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skipSpace = False
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return inner
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def templateArgument(type, position):
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try:
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# This fails on stock 7.2 with
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# "RuntimeError: No type named myns::QObject.\n"
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return type.template_argument(position)
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except:
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# That's something like "myns::QList<...>"
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return lookupType(extractTemplateArgument(type.strip_typedefs(), position))
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# Workaround for gdb < 7.1
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def numericTemplateArgument(type, position):
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try:
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return int(type.template_argument(position))
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except RuntimeError, error:
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# ": No type named 30."
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msg = str(error)
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return int(msg[14:-1])
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def parseAndEvaluate(exp):
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if isGoodGdb():
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return gdb.parse_and_eval(exp)
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# Work around non-existing gdb.parse_and_eval as in released 7.0
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gdb.execute("set logging redirect on")
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gdb.execute("set logging on")
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try:
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gdb.execute("print %s" % exp)
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except:
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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return None
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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return gdb.history(0)
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def catchCliOutput(command):
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try:
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return gdb.execute(command, to_string=True)
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except:
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pass
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filename, file = createTempFile()
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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gdb.execute("set logging file %s" % filename)
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gdb.execute("set logging redirect on")
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gdb.execute("set logging on")
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msg = ""
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try:
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gdb.execute(command)
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except RuntimeError, error:
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# For the first phase of core file loading this yield
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# "No symbol table is loaded. Use the \"file\" command."
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msg = str(error)
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except:
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msg = "Unknown error"
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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if len(msg):
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# Having that might confuse result handlers in the gdbengine.
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#warn("CLI ERROR: %s " % msg)
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return "CLI ERROR: %s " % msg
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temp = open(filename, "r")
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lines = []
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for line in temp:
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lines.append(line)
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temp.close()
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removeTempFile(filename, file)
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return lines
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def showException(msg, exType, exValue, exTraceback):
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warn("**** CAUGHT EXCEPTION: %s ****" % msg)
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try:
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import traceback
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for line in traceback.format_exception(exType, exValue, exTraceback):
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warn("%s" % line)
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except:
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pass
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class OutputSafer:
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def __init__(self, d, pre = "", post = ""):
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self.d = d
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self.pre = pre
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self.post = post
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def __enter__(self):
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self.d.put(self.pre)
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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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self.d.put(self.post)
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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.d.output = self.savedOutput + self.d.output
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return False
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class SubItem:
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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.d.put('{')
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self.savedValue = self.d.currentValue
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self.savedValuePriority = self.d.currentValuePriority
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self.savedValueEncoding = self.d.currentValueEncoding
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self.savedType = self.d.currentType
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self.savedTypePriority = self.d.currentTypePriority
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self.d.currentValue = "<not accessible>"
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self.d.currentValuePriority = -100
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self.d.currentValueEncoding = None
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self.d.currentType = ""
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self.d.currentTypePriority = -100
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def __exit__(self, exType, exValue, exTraceBack):
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#warn(" CURRENT VALUE: %s %s %s" % (self.d.currentValue,
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# self.d.currentValueEncoding, self.d.currentValuePriority))
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if self.d.passExceptions and not exType is None:
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showException("SUBITEM", exType, exValue, exTraceBack)
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try:
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#warn("TYPE VALUE: %s" % self.d.currentValue)
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type = stripClassTag(str(self.d.currentType))
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#warn("TYPE: '%s' DEFAULT: '%s'" % (type, self.d.currentChildType))
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if len(type) > 0 and type != self.d.currentChildType:
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self.d.put('type="%s",' % type) # str(type.unqualified()) ?
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if not self.d.currentValueEncoding is None:
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self.d.put('valueencoded="%d",' % self.d.currentValueEncoding)
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if not self.d.currentValue is None:
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self.d.put('value="%s",' % self.d.currentValue)
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except:
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pass
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self.d.put('},')
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self.d.currentValue = self.savedValue
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self.d.currentValuePriority = self.savedValuePriority
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self.d.currentValueEncoding = self.savedValueEncoding
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self.d.currentType = self.savedType
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self.d.currentTypePriority = self.savedTypePriority
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return True
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class Children:
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def __init__(self, d, numChild = 1, childType = None, childNumChild = None):
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self.d = d
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self.numChild = numChild
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self.childType = childType
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self.childNumChild = childNumChild
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#warn("CHILDREN: %s %s %s" % (numChild, childType, childNumChild))
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def __enter__(self):
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childType = ""
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childNumChild = -1
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if type(self.numChild) is list:
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numChild = self.numChild[0]
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maxNumChild = self.numChild[1]
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else:
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numChild = self.numChild
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maxNumChild = self.numChild
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if numChild == 0:
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self.childType = None
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if not self.childType is None:
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childType = stripClassTag(str(self.childType))
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self.d.put('childtype="%s",' % childType)
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if isSimpleType(self.childType) or isStringType(self.d, self.childType):
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self.d.put('childnumchild="0",')
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childNumChild = 0
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elif self.childType.code == gdb.TYPE_CODE_PTR:
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self.d.put('childnumchild="1",')
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childNumChild = 1
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if not self.childNumChild is None:
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self.d.put('childnumchild="%s",' % self.childNumChild)
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childNumChild = self.childNumChild
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self.savedChildType = self.d.currentChildType
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self.savedChildNumChild = self.d.currentChildNumChild
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self.savedNumChilds = self.d.currentNumChilds
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self.savedMaxNumChilds = self.d.currentNumChilds
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self.d.currentChildType = childType
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self.d.currentChildNumChild = childNumChild
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self.d.currentNumChilds = numChild
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self.d.currentMaxNumChilds = maxNumChild
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self.d.put("children=[")
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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("CHILDREN", exType, exValue, exTraceBack)
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if self.d.currentMaxNumChilds < self.d.currentNumChilds:
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self.d.putEllipsis()
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self.d.currentChildType = self.savedChildType
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self.d.currentChildNumChild = self.savedChildNumChild
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self.d.currentNumChilds = self.savedNumChilds
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self.d.currentMaxNumChilds = self.savedMaxNumChilds
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self.d.put('],')
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return True
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class Breakpoint:
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def __init__(self):
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self.number = None
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self.filename = None
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self.linenumber = None
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self.address = []
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self.function = None
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self.fullname = None
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self.condition = None
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self.times = None
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def listOfBreakpoints(d):
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# [bkpt={number="1",type="breakpoint",disp="keep",enabled="y",
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#addr="0x0804da6d",func="testHidden()",file="../app.cpp",
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#fullname="...",line="1292",times="1",original-location="\"app.cpp\":1292"},
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# Num Type Disp Enb Address What\n"
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#1 breakpoint keep y 0x0804da6d in testHidden() at app.cpp:1292
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#\tbreakpoint already hit 1 time
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#2 breakpoint keep y 0x080564d3 in espace::..doit(int) at ../app.cpp:1210\n"
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#3 breakpoint keep y <PENDING> \"plugin.cpp\":38\n"
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#4 breakpoint keep y <MULTIPLE> \n"
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#4.1 y 0x08056673 in Foo at ../app.cpp:126\n"
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#4.2 y 0x0805678b in Foo at ../app.cpp:126\n"
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#5 hw watchpoint keep y &main\n"
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#6 breakpoint keep y 0xb6cf18e5 <__cxa_throw+5>\n"
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lines = catchCliOutput("info break")
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lines.reverse()
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bp = Breakpoint()
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for line in lines:
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if len(line) == 0 or line.startswith(" "):
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continue
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if line[0] < '0' or line[0] > '9':
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continue
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if line.startswith("\tstop only if "):
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bp.condition = line[14:]
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continue
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if line.startswith("\tbreakpoint already hit "):
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bp.times = line[24:]
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continue
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number = line[0:5]
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pos0x = line.find(" 0x")
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posin = line.find(" in ", pos0x)
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poslt = line.find(" <", pos0x)
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posat = line.find(" at ", posin)
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poscol = line.find(":", posat)
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if pos0x != -1:
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if pos0x < posin:
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bp.address.append(line[pos0x + 1 : posin])
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elif pos0x < poslt:
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bp.address.append(line[pos0x + 1 : poslt])
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bp.function = line[poslt + 2 : line.find('>', poslt)]
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# Take "no address" as indication that the bp is pending.
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#if line.find("<PENDING>") >= 0:
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# bp.address.append("<PENDING>")
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if posin < posat and posin != -1:
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bp.function = line[posin + 4 : posat]
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if posat < poscol and poscol != -1:
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bp.filename = line[posat + 4 : poscol]
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if poscol != -1:
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bp.linenumber = line[poscol + 1 : -1]
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|
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if '.' in number: # Part of multiple breakpoint.
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continue
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|
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# A breakpoint of its own
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bp.number = int(number)
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d.put('bkpt={number="%s",' % bp.number)
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d.put('type="breakpoint",')
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d.put('disp="keep",')
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d.put('enabled="y",')
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for address in bp.address:
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d.put('addr="%s",' % address)
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if not bp.function is None:
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d.put('func="%s",' % bp.function)
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if not bp.filename is None:
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d.put('file="%s",' % bp.filename)
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if not bp.fullname is None:
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d.put('fullname="%s",' % bp.fullname)
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if not bp.linenumber is None:
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d.put('line="%s",' % bp.linenumber)
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if not bp.condition is None:
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d.put('cond="%s",' % bp.condition)
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if not bp.fullname is None:
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d.put('fullname="%s",' % bt.fullname)
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if not bp.times is None:
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d.put('times="1",' % bp.times)
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#d.put('original-location="-"')
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d.put('},')
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bp = Breakpoint()
|
|
|
|
|
|
# Creates a list of field names of an anon union or struct
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|
def listOfFields(type):
|
|
fields = []
|
|
for field in type.fields():
|
|
if len(field.name) > 0:
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fields += field.name
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|
else:
|
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fields += listOfFields(field.type)
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return fields
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|
|
|
|
|
def listOfLocals(varList):
|
|
try:
|
|
frame = gdb.selected_frame()
|
|
#warn("FRAME %s: " % frame)
|
|
except RuntimeError, error:
|
|
warn("FRAME NOT ACCESSIBLE: %s" % error)
|
|
return []
|
|
except:
|
|
warn("FRAME NOT ACCESSIBLE FOR UNKNOWN REASONS")
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|
return []
|
|
|
|
# gdb-6.8-symbianelf fails here
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|
hasBlock = 'block' in __builtin__.dir(frame)
|
|
|
|
items = []
|
|
#warn("HAS BLOCK: %s" % hasBlock)
|
|
#warn("IS GOOD GDB: %s" % isGoodGdb())
|
|
if hasBlock and isGoodGdb():
|
|
#warn("IS GOOD: %s " % varList)
|
|
try:
|
|
block = frame.block()
|
|
#warn("BLOCK: %s " % block)
|
|
except RuntimeError, error:
|
|
warn("FRAME NOT ACCESSIBLE: %s" % error)
|
|
return items
|
|
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:
|
|
name = symbol.print_name
|
|
|
|
if name == "__in_chrg":
|
|
continue
|
|
|
|
# "NotImplementedError: Symbol type not yet supported in
|
|
# Python scripts."
|
|
#warn("SYMBOL %s: " % symbol.value)
|
|
#warn("SYMBOL %s (%s): " % (symbol, name))
|
|
if name in shadowed:
|
|
level = shadowed[name]
|
|
name1 = "%s <shadowed %s>" % (name, level)
|
|
shadowed[name] = level + 1
|
|
else:
|
|
name1 = name
|
|
shadowed[name] = 1
|
|
#warn("SYMBOL %s (%s, %s)): " % (symbol, name, symbol.name))
|
|
item = Item(0, "local", name1, name1)
|
|
try:
|
|
item.value = frame.read_var(name, block) # this is a gdb value
|
|
except:
|
|
try:
|
|
item.value = frame.read_var(name) # this is a gdb value
|
|
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()
|
|
continue
|
|
#warn("ITEM %s: " % item.value)
|
|
items.append(item)
|
|
# 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
|
|
else:
|
|
# Assuming gdb 7.0 release or 6.8-symbianelf.
|
|
filename, file = createTempFile()
|
|
#warn("VARLIST: %s " % varList)
|
|
#warn("FILENAME: %s " % filename)
|
|
gdb.execute("set logging off")
|
|
gdb.execute("set logging redirect off")
|
|
gdb.execute("set logging file %s" % filename)
|
|
gdb.execute("set logging redirect on")
|
|
gdb.execute("set logging on")
|
|
try:
|
|
gdb.execute("info args")
|
|
# We cannot use "info locals" as at least 6.8-symbianelf
|
|
# aborts as soon as we hit unreadable memory.
|
|
# gdb.execute("interpreter mi '-stack-list-locals 0'")
|
|
# results in &"Recursive internal problem.\n", so we have
|
|
# the frontend pass us the list of locals.
|
|
|
|
# There are two cases, either varList is empty, so we have
|
|
# to fetch the list here, or it is not empty with the
|
|
# first entry being a dummy.
|
|
if len(varList) == 0:
|
|
gdb.execute("info locals")
|
|
else:
|
|
varList = varList[1:]
|
|
except:
|
|
pass
|
|
gdb.execute("set logging off")
|
|
gdb.execute("set logging redirect off")
|
|
|
|
try:
|
|
temp = open(filename, "r")
|
|
for line in temp:
|
|
if len(line) == 0 or line.startswith(" "):
|
|
continue
|
|
# The function parameters
|
|
pos = line.find(" = ")
|
|
if pos < 0:
|
|
continue
|
|
varList.append(line[0:pos])
|
|
temp.close()
|
|
except:
|
|
pass
|
|
removeTempFile(filename, file)
|
|
#warn("VARLIST: %s " % varList)
|
|
for name in varList:
|
|
#warn("NAME %s " % name)
|
|
item = Item(0, "local", name, name)
|
|
try:
|
|
item.value = frame.read_var(name) # this is a gdb value
|
|
except RuntimeError:
|
|
pass
|
|
#continue
|
|
except:
|
|
# Something breaking the list, like intermediate gdb warnings
|
|
# like 'Warning: can't find linker symbol for virtual table for
|
|
# `std::less<char const*>' value\n\nwarning: found
|
|
# `myns::QHashData::shared_null' instead [...]
|
|
# that break subsequent parsing. Chicken out and take the
|
|
# next "usable" line.
|
|
continue
|
|
items.append(item)
|
|
|
|
return items
|
|
|
|
|
|
def value(expr):
|
|
value = parseAndEvaluate(expr)
|
|
try:
|
|
return int(value)
|
|
except:
|
|
return str(value)
|
|
|
|
def isSimpleType(typeobj):
|
|
code = typeobj.code
|
|
return code == gdb.TYPE_CODE_BOOL \
|
|
or code == gdb.TYPE_CODE_CHAR \
|
|
or code == gdb.TYPE_CODE_INT \
|
|
or code == gdb.TYPE_CODE_FLT \
|
|
or code == gdb.TYPE_CODE_ENUM
|
|
|
|
def isStringType(d, typeobj):
|
|
type = str(typeobj)
|
|
return type == d.ns + "QString" \
|
|
or type == d.ns + "QByteArray" \
|
|
or type == "std::string" \
|
|
or type == "std::wstring" \
|
|
or type == "wstring"
|
|
|
|
def warn(message):
|
|
if True or verbosity > 0:
|
|
print "XXX: %s\n" % message.encode("latin1")
|
|
pass
|
|
|
|
def check(exp):
|
|
if not exp:
|
|
raise RuntimeError("Check failed")
|
|
|
|
def checkRef(ref):
|
|
count = ref["_q_value"]
|
|
check(count > 0)
|
|
check(count < 1000000) # assume there aren't a million references to any object
|
|
|
|
#def couldBePointer(p, align):
|
|
# type = lookupType("unsigned int")
|
|
# ptr = gdb.Value(p).cast(type)
|
|
# d = int(str(ptr))
|
|
# warn("CHECKING : %s %d " % (p, ((d & 3) == 0 and (d > 1000 or d == 0))))
|
|
# return (d & (align - 1)) and (d > 1000 or d == 0)
|
|
|
|
|
|
def checkAccess(p, align = 1):
|
|
return p.dereference()
|
|
|
|
def checkContents(p, expected, align = 1):
|
|
if int(p.dereference()) != expected:
|
|
raise RuntimeError("Contents check failed")
|
|
|
|
def checkPointer(p, align = 1):
|
|
if not isNull(p):
|
|
p.dereference()
|
|
|
|
|
|
def isNull(p):
|
|
# The following can cause evaluation to abort with "UnicodeEncodeError"
|
|
# for invalid char *, as their "contents" is being examined
|
|
#s = str(p)
|
|
#return s == "0x0" or s.startswith("0x0 ")
|
|
#try:
|
|
# # Can fail with: "RuntimeError: Cannot access memory at address 0x5"
|
|
# return p.cast(lookupType("void").pointer()) == 0
|
|
#except:
|
|
# return False
|
|
return long(p) == 0
|
|
|
|
movableTypes = set([
|
|
"QBrush", "QBitArray", "QByteArray",
|
|
"QCustomTypeInfo", "QChar",
|
|
"QDate", "QDateTime",
|
|
"QFileInfo", "QFixed", "QFixedPoint", "QFixedSize",
|
|
"QHashDummyValue",
|
|
"QIcon", "QImage",
|
|
"QLine", "QLineF", "QLatin1Char", "QLocale",
|
|
"QMatrix", "QModelIndex",
|
|
"QPoint", "QPointF", "QPen", "QPersistentModelIndex",
|
|
"QResourceRoot", "QRect", "QRectF", "QRegExp",
|
|
"QSize", "QSizeF", "QString",
|
|
"QTime", "QTextBlock",
|
|
"QUrl",
|
|
"QVariant",
|
|
"QXmlStreamAttribute", "QXmlStreamNamespaceDeclaration",
|
|
"QXmlStreamNotationDeclaration", "QXmlStreamEntityDeclaration"])
|
|
|
|
|
|
def stripClassTag(type):
|
|
if type.startswith("class "):
|
|
return type[6:]
|
|
if type.startswith("struct "):
|
|
return type[7:]
|
|
if type.startswith("const "):
|
|
return type[6:]
|
|
if type.startswith("volatile "):
|
|
return type[9:]
|
|
return type
|
|
|
|
def checkPointerRange(p, n):
|
|
for i in xrange(n):
|
|
checkPointer(p)
|
|
++p
|
|
|
|
def call2(value, func, 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, func, arg))
|
|
type = stripClassTag(str(value.type))
|
|
if type.find(":") >= 0:
|
|
type = "'" + type + "'"
|
|
# 'class' is needed, see http://sourceware.org/bugzilla/show_bug.cgi?id=11912
|
|
exp = "((class %s*)%s)->%s(%s)" % (type, value.address, func, arg)
|
|
#warn("CALL: %s" % exp)
|
|
result = None
|
|
try:
|
|
result = parseAndEvaluate(exp)
|
|
except:
|
|
pass
|
|
#warn(" -> %s" % result)
|
|
return result
|
|
|
|
def call(value, func, *args):
|
|
return call2(value, func, args)
|
|
|
|
def makeValue(type, init):
|
|
type = stripClassTag(type)
|
|
if type.find(":") >= 0:
|
|
type = "'" + type + "'"
|
|
# Avoid malloc symbol clash with QVector
|
|
gdb.execute("set $d = (%s*)calloc(sizeof(%s), 1)" % (type, type))
|
|
gdb.execute("set *$d = {%s}" % init)
|
|
value = parseAndEvaluate("$d").dereference()
|
|
#warn(" TYPE: %s" % value.type)
|
|
#warn(" ADDR: %s" % value.address)
|
|
#warn(" VALUE: %s" % value)
|
|
return value
|
|
|
|
def makeExpression(value):
|
|
type = stripClassTag(str(value.type))
|
|
if type.find(":") >= 0:
|
|
type = "'" + type + "'"
|
|
#warn(" TYPE: %s" % type)
|
|
#exp = "(*(%s*)(&%s))" % (type, value.address)
|
|
exp = "(*(%s*)(%s))" % (type, value.address)
|
|
#warn(" EXP: %s" % exp)
|
|
return exp
|
|
|
|
def qtNamespace():
|
|
try:
|
|
str = catchCliOutput("ptype QString::Null")[0]
|
|
# The result looks like:
|
|
# "type = const struct myns::QString::Null {"
|
|
# " <no data fields>"
|
|
# "}"
|
|
pos1 = str.find("struct") + 7
|
|
pos2 = str.find("QString::Null")
|
|
return str[pos1:pos2]
|
|
except:
|
|
return ""
|
|
|
|
def findFirstZero(p, max):
|
|
for i in xrange(max):
|
|
if p.dereference() == 0:
|
|
return i
|
|
p = p + 1
|
|
return -1
|
|
|
|
def extractCharArray(p, maxsize):
|
|
t = lookupType("unsigned char").pointer()
|
|
p = p.cast(t)
|
|
i = findFirstZero(p, maxsize)
|
|
limit = select(i < 0, maxsize, i)
|
|
s = ""
|
|
for i in xrange(limit):
|
|
s += "%c" % int(p.dereference())
|
|
p += 1
|
|
if i == maxsize:
|
|
s += "..."
|
|
return s
|
|
|
|
def extractByteArray(value):
|
|
d_ptr = value['d'].dereference()
|
|
data = d_ptr['data']
|
|
size = d_ptr['size']
|
|
alloc = d_ptr['alloc']
|
|
check(0 <= size and size <= alloc and alloc <= 100*1000*1000)
|
|
checkRef(d_ptr["ref"])
|
|
if size > 0:
|
|
checkAccess(data, 4)
|
|
checkAccess(data + size) == 0
|
|
return extractCharArray(data, 1000, size)
|
|
|
|
def encodeCharArray(p, maxsize, size = -1):
|
|
t = lookupType("unsigned char").pointer()
|
|
p = p.cast(t)
|
|
if size == -1:
|
|
size = findFirstZero(p, maxsize)
|
|
if size == -1:
|
|
size = maxsize
|
|
limit = size
|
|
if size > maxsize:
|
|
limit = maxsize
|
|
s = ""
|
|
try:
|
|
# gdb.Inferior is new in gdb 7.2
|
|
inferior = gdb.inferiors()[0]
|
|
s = binascii.hexlify(inferior.read_memory(p, limit))
|
|
except:
|
|
for i in xrange(limit):
|
|
s += "%02x" % int(p.dereference())
|
|
p += 1
|
|
if maxsize < size:
|
|
s += "2e2e2e"
|
|
return s
|
|
|
|
def encodeChar2Array(p, maxsize):
|
|
t = lookupType("unsigned short").pointer()
|
|
p = p.cast(t)
|
|
i = findFirstZero(p, maxsize)
|
|
limit = select(i < 0, maxsize, i)
|
|
s = ""
|
|
for i in xrange(limit):
|
|
s += "%04x" % int(p.dereference())
|
|
p += 1
|
|
if i == maxsize:
|
|
s += "2e002e002e00"
|
|
return s
|
|
|
|
def encodeChar4Array(p, maxsize):
|
|
t = lookupType("unsigned int").pointer()
|
|
p = p.cast(t)
|
|
i = findFirstZero(p, maxsize)
|
|
limit = select(i < 0, maxsize, i)
|
|
s = ""
|
|
for i in xrange(limit):
|
|
s += "%08x" % int(p.dereference())
|
|
p += 1
|
|
if i == maxsize:
|
|
s += "2e0000002e0000002e000000"
|
|
return s
|
|
|
|
def encodeByteArray(value):
|
|
d_ptr = value['d'].dereference()
|
|
data = d_ptr['data']
|
|
size = d_ptr['size']
|
|
alloc = d_ptr['alloc']
|
|
check(0 <= size and size <= alloc and alloc <= 100*1000*1000)
|
|
checkRef(d_ptr["ref"])
|
|
if size > 0:
|
|
checkAccess(data, 4)
|
|
checkAccess(data + size) == 0
|
|
return encodeCharArray(data, 1000, size)
|
|
|
|
def encodeString(value):
|
|
d_ptr = value['d'].dereference()
|
|
data = d_ptr['data']
|
|
size = d_ptr['size']
|
|
alloc = d_ptr['alloc']
|
|
check(0 <= size and size <= alloc and alloc <= 100*1000*1000)
|
|
if size > 0:
|
|
checkAccess(data, 4)
|
|
checkAccess(data + size) == 0
|
|
checkRef(d_ptr["ref"])
|
|
p = gdb.Value(d_ptr["data"])
|
|
s = ""
|
|
try:
|
|
# gdb.Inferior is new in gdb 7.2
|
|
inferior = gdb.inferiors()[0]
|
|
s = binascii.hexlify(inferior.read_memory(p, 2 * int(size)))
|
|
except:
|
|
for i in xrange(size):
|
|
val = int(p.dereference())
|
|
s += "%02x" % (val % 256)
|
|
s += "%02x" % (val / 256)
|
|
p += 1
|
|
return s
|
|
|
|
def stripTypedefs(type):
|
|
type = type.unqualified()
|
|
while type.code == gdb.TYPE_CODE_TYPEDEF:
|
|
type = type.strip_typedefs().unqualified()
|
|
return type
|
|
|
|
def extractFields(type):
|
|
# Insufficient, see http://sourceware.org/bugzilla/show_bug.cgi?id=10953:
|
|
#fields = value.type.fields()
|
|
# Insufficient, see http://sourceware.org/bugzilla/show_bug.cgi?id=11777:
|
|
#fields = stripTypedefs(value.type).fields()
|
|
# This seems to work.
|
|
#warn("TYPE 0: %s" % type)
|
|
type = stripTypedefs(type)
|
|
fields = type.fields()
|
|
if len(fields):
|
|
return fields
|
|
#warn("TYPE 1: %s" % type)
|
|
# This fails for arrays. See comment in lookupType.
|
|
type0 = lookupType(str(type))
|
|
if not type0 is None:
|
|
type = type0
|
|
if type.code == gdb.TYPE_CODE_FUNC:
|
|
return []
|
|
#warn("TYPE 2: %s" % type)
|
|
fields = type.fields()
|
|
#warn("FIELDS: %s" % fields)
|
|
return fields
|
|
|
|
#######################################################################
|
|
#
|
|
# Item
|
|
#
|
|
#######################################################################
|
|
|
|
class Item:
|
|
def __init__(self, value, parentiname, iname = None, name = None):
|
|
self.value = value
|
|
if iname is None:
|
|
self.iname = parentiname
|
|
else:
|
|
self.iname = "%s.%s" % (parentiname, iname)
|
|
self.name = name
|
|
|
|
|
|
#######################################################################
|
|
#
|
|
# SetupCommand
|
|
#
|
|
#######################################################################
|
|
|
|
# This is a cache mapping from 'type name' to 'display alternatives'.
|
|
qqFormats = {}
|
|
|
|
# This is a cache of all known dumpers.
|
|
qqDumpers = {}
|
|
|
|
# This is a cache of the namespace of the currently used Qt version.
|
|
# FIXME: This is not available on 'bbsetup' time, only at 'bb' time.
|
|
qqNs = ""
|
|
|
|
# This is a cache of typenames->bool saying whether we are QObject
|
|
# derived.
|
|
qqQObjectCache = {}
|
|
|
|
|
|
class SetupCommand(gdb.Command):
|
|
"""Setup Creator Pretty Printing"""
|
|
|
|
def __init__(self):
|
|
super(SetupCommand, self).__init__("bbsetup", gdb.COMMAND_OBSCURE)
|
|
|
|
def invoke(self, args, from_tty):
|
|
print bbsetup()
|
|
|
|
SetupCommand()
|
|
|
|
def bbsetup():
|
|
module = sys.modules[__name__]
|
|
for key, value in module.__dict__.items():
|
|
if key.startswith("qdump__"):
|
|
name = key[7:]
|
|
qqDumpers[name] = value
|
|
qqFormats[name] = qqFormats.get(name, "")
|
|
elif key.startswith("qform__"):
|
|
name = key[7:]
|
|
formats = ""
|
|
try:
|
|
formats = value()
|
|
except:
|
|
pass
|
|
qqFormats[name] = formats
|
|
result = "dumpers=["
|
|
qqNs = qtNamespace()
|
|
for key, value in qqFormats.items():
|
|
result += '{type="%s",formats="%s"},' % (key, value)
|
|
result += '],namespace="%s"' % qqNs
|
|
result += ',hasInferiorThreadList="%s"' % int(hasInferiorThreadList())
|
|
return result
|
|
|
|
|
|
#######################################################################
|
|
#
|
|
# FrameCommand
|
|
#
|
|
#######################################################################
|
|
|
|
class FrameCommand(gdb.Command):
|
|
"""Do fancy stuff."""
|
|
|
|
def __init__(self):
|
|
super(FrameCommand, self).__init__("bb", gdb.COMMAND_OBSCURE)
|
|
|
|
def invoke(self, args, from_tty):
|
|
if args.startswith("options:p1"):
|
|
import cProfile
|
|
cProfile.run('bb("%s")' % args, "/tmp/bbprof")
|
|
import pstats
|
|
pstats.Stats('/tmp/bbprof').sort_stats('time').print_stats()
|
|
elif args.startswith("options:p2"):
|
|
import timeit
|
|
print timeit.repeat('bb("%s")' % args,
|
|
'from __main__ import bb', number=10)
|
|
else:
|
|
output = bb(args)
|
|
try:
|
|
print(output)
|
|
except:
|
|
out = ""
|
|
for c in output:
|
|
cc = ord(c)
|
|
if cc > 127:
|
|
out += "\\\\%d" % cc
|
|
elif cc < 0:
|
|
out += "\\\\%d" % (cc + 256)
|
|
else:
|
|
out += c
|
|
print(out)
|
|
|
|
FrameCommand()
|
|
|
|
def bb(args):
|
|
return 'data=[' + Dumper(args).output + ']'
|
|
|
|
|
|
#######################################################################
|
|
#
|
|
# Step Command
|
|
#
|
|
#######################################################################
|
|
|
|
|
|
class SalCommand(gdb.Command):
|
|
"""Do fancy stuff."""
|
|
|
|
def __init__(self):
|
|
super(SalCommand, self).__init__("sal", gdb.COMMAND_OBSCURE)
|
|
|
|
def invoke(self, arg, from_tty):
|
|
(cmd, addr) = arg.split(",")
|
|
lines = catchCliOutput("info line *" + addr)
|
|
fromAddr = "0x0"
|
|
toAddr = "0x0"
|
|
for line in lines:
|
|
pos0from = line.find(" starts at address") + 19
|
|
pos1from = line.find(" ", pos0from)
|
|
pos0to = line.find(" ends at", pos1from) + 9
|
|
pos1to = line.find(" ", pos0to)
|
|
if pos1to > 0:
|
|
fromAddr = line[pos0from : pos1from]
|
|
toAddr = line[pos0to : pos1to]
|
|
gdb.execute("maint packet sal%s,%s,%s" % (cmd,fromAddr, toAddr))
|
|
|
|
SalCommand()
|
|
|
|
|
|
#######################################################################
|
|
#
|
|
# The Dumper Class
|
|
#
|
|
#######################################################################
|
|
|
|
|
|
class Dumper:
|
|
def __init__(self, args):
|
|
self.output = ""
|
|
self.currentChildType = ""
|
|
self.currentChildNumChild = -1
|
|
self.currentMaxNumChilds = -1
|
|
self.currentNumChilds = -1
|
|
self.currentValue = None
|
|
self.currentValuePriority = -100
|
|
self.currentValueEncoding = None
|
|
self.currentType = None
|
|
self.currentTypePriority = -100
|
|
self.typeformats = {}
|
|
self.formats = {}
|
|
self.expandedINames = ""
|
|
|
|
options = []
|
|
varList = []
|
|
watchers = ""
|
|
resultVarName = ""
|
|
|
|
for arg in args.split(' '):
|
|
pos = arg.find(":") + 1
|
|
if arg.startswith("options:"):
|
|
options = arg[pos:].split(",")
|
|
elif arg.startswith("vars:"):
|
|
if len(arg[pos:]) > 0:
|
|
varList = arg[pos:].split(",")
|
|
elif arg.startswith("resultvarname:"):
|
|
resultVarName = arg[pos:]
|
|
elif arg.startswith("expanded:"):
|
|
self.expandedINames = set(arg[pos:].split(","))
|
|
elif arg.startswith("typeformats:"):
|
|
for f in arg[pos:].split(","):
|
|
pos = f.find("=")
|
|
if pos != -1:
|
|
type = base64.b16decode(f[0:pos], True)
|
|
self.typeformats[type] = int(f[pos+1:])
|
|
elif arg.startswith("formats:"):
|
|
for f in arg[pos:].split(","):
|
|
pos = f.find("=")
|
|
if pos != -1:
|
|
self.formats[f[0:pos]] = int(f[pos+1:])
|
|
elif arg.startswith("watchers:"):
|
|
watchers = base64.b16decode(arg[pos:], True)
|
|
|
|
self.useFancy = "fancy" in options
|
|
self.passExceptions = "pe" in options
|
|
self.autoDerefPointers = "autoderef" in options
|
|
self.partialUpdate = "partial" in options
|
|
#self.ns = qqNs
|
|
self.ns = qtNamespace()
|
|
try:
|
|
self.alienSource = catchCliOutput("info source")[0][-3:-1]==".d"
|
|
except:
|
|
self.alienSource = False
|
|
|
|
#warn("NAMESPACE: '%s'" % self.ns)
|
|
#warn("VARIABLES: %s" % varList)
|
|
#warn("EXPANDED INAMES: %s" % self.expandedINames)
|
|
#warn("WATCHERS: %s" % watchers)
|
|
module = sys.modules[__name__]
|
|
|
|
#
|
|
# Locals
|
|
#
|
|
fullUpdateNeeded = True
|
|
if self.partialUpdate and len(varList) == 1:
|
|
#warn("PARTIAL: %s" % varList)
|
|
parts = varList[0].split('.')
|
|
#warn("PARTIAL PARTS: %s" % parts)
|
|
name = parts[1]
|
|
#warn("PARTIAL VAR: %s" % name)
|
|
#fullUpdateNeeded = False
|
|
try:
|
|
frame = gdb.selected_frame()
|
|
item = Item(0, "local", name, name)
|
|
item.value = frame.read_var(name)
|
|
locals = [item]
|
|
#warn("PARTIAL LOCALS: %s" % locals)
|
|
fullUpdateNeeded = False
|
|
except:
|
|
pass
|
|
varList = []
|
|
|
|
if fullUpdateNeeded:
|
|
locals = listOfLocals(varList)
|
|
if "nolocals" in options:
|
|
locals = []
|
|
|
|
# Take care of the return value of the last function call.
|
|
if len(resultVarName) > 0:
|
|
try:
|
|
value = parseAndEvaluate(resultVarName)
|
|
locals.append(Item(value, "return", resultVarName, "return"))
|
|
except:
|
|
# Don't bother. It's only supplementary information anyway.
|
|
pass
|
|
|
|
for item in locals:
|
|
with OutputSafer(self, "", ""):
|
|
self.anonNumber = -1
|
|
#warn("ITEM NAME %s: " % item.name)
|
|
try:
|
|
#warn("ITEM VALUE %s: " % item.value)
|
|
# Throw on funny stuff, catch below.
|
|
# Unfortunately, this fails also with a "Unicode encoding error"
|
|
# in testArray().
|
|
#dummy = str(item.value)
|
|
pass
|
|
except:
|
|
# Locals with failing memory access.
|
|
# FIXME: Isn't this taken care off by the SubItem destructor?
|
|
with SubItem(self):
|
|
self.put('iname="%s",' % item.iname)
|
|
self.put('name="%s",' % item.name)
|
|
self.put('addr="<not accessible>",')
|
|
self.put('numchild="0"')
|
|
self.putValue("<not accessible>")
|
|
self.putType(item.value.type)
|
|
continue
|
|
|
|
type = item.value.type
|
|
if type.code == gdb.TYPE_CODE_PTR \
|
|
and item.name == "argv" and str(type) == "char **":
|
|
# Special handling for char** argv.
|
|
n = 0
|
|
p = item.value
|
|
# p is 0 for "optimized out" cases. Or contains rubbish.
|
|
try:
|
|
if not isNull(p):
|
|
while not isNull(p.dereference()) and n <= 100:
|
|
p += 1
|
|
n += 1
|
|
except:
|
|
pass
|
|
|
|
with SubItem(self):
|
|
self.put('iname="%s",' % item.iname)
|
|
self.putName(item.name)
|
|
self.putItemCount(n, 100)
|
|
self.putType(type)
|
|
self.putNumChild(n)
|
|
if self.isExpanded(item):
|
|
p = item.value
|
|
with Children(self, n):
|
|
for i in xrange(n):
|
|
value = p.dereference()
|
|
self.putSubItem(Item(value, item.iname, i, None))
|
|
p += 1
|
|
if n > 100:
|
|
self.putEllipsis()
|
|
|
|
else:
|
|
# A "normal" local variable or parameter.
|
|
try:
|
|
addr = cleanAddress(item.value.address)
|
|
with SubItem(self):
|
|
self.put('iname="%s",' % item.iname)
|
|
self.put('addr="%s",' % addr)
|
|
self.putItem(item)
|
|
except AttributeError:
|
|
# Thrown by cleanAddress with message "'NoneType' object
|
|
# has no attribute 'cast'" for optimized-out values.
|
|
with SubItem(self):
|
|
self.put('iname="%s",' % item.iname)
|
|
self.put('name="%s",' % item.name)
|
|
self.put('addr="<optimized out>",')
|
|
self.putValue("<optimized out>")
|
|
self.putType(item.value.type)
|
|
|
|
#
|
|
# Watchers
|
|
#
|
|
with OutputSafer(self, ",", ""):
|
|
if len(watchers) > 0:
|
|
for watcher in watchers.split("##"):
|
|
(exp, iname) = watcher.split("#")
|
|
self.handleWatch(exp, iname)
|
|
|
|
#
|
|
# Breakpoints
|
|
#
|
|
#listOfBreakpoints(d)
|
|
|
|
#print('data=[' + locals + sep + watchers + '],bkpts=[' + breakpoints + ']\n')
|
|
|
|
def checkForQObjectBase(self, type):
|
|
if type.code != gdb.TYPE_CODE_STRUCT:
|
|
return False
|
|
name = str(type)
|
|
if name in qqQObjectCache:
|
|
return qqQObjectCache[name]
|
|
if name == self.ns + "QObject":
|
|
qqQObjectCache[name] = True
|
|
return True
|
|
fields = type.strip_typedefs().fields()
|
|
if len(fields) == 0:
|
|
qqQObjectCache[name] = False
|
|
return False
|
|
base = fields[0].type.strip_typedefs()
|
|
# Prevent infinite recursion in Qt 3.3.8
|
|
if str(base) == name:
|
|
return False
|
|
result = self.checkForQObjectBase(base)
|
|
qqQObjectCache[name] = result
|
|
return result
|
|
|
|
|
|
def handleWatch(self, exp, iname):
|
|
exp = str(exp)
|
|
escapedExp = exp.replace('"', '\\"')
|
|
escapedExp = escapedExp.replace('\\', '\\\\')
|
|
#warn("HANDLING WATCH %s, INAME: '%s'" % (exp, iname))
|
|
if exp.startswith("[") and exp.endswith("]"):
|
|
#warn("EVAL: EXP: %s" % exp)
|
|
with SubItem(self):
|
|
self.put('iname="%s",' % iname)
|
|
self.put('name="%s",' % escapedExp)
|
|
self.put('exp="%s",' % escapedExp)
|
|
try:
|
|
list = eval(exp)
|
|
self.putValue("")
|
|
self.putType(" ")
|
|
self.putNumChild(len(list))
|
|
# This is a list of expressions to evaluate
|
|
with Children(self, len(list)):
|
|
itemNumber = 0
|
|
for item in list:
|
|
self.handleWatch(item, "%s.%d" % (iname, itemNumber))
|
|
itemNumber += 1
|
|
except RuntimeError, error:
|
|
warn("EVAL: ERROR CAUGHT %s" % error)
|
|
self.putValue("<syntax error>")
|
|
self.putType(" ")
|
|
self.putNumChild(0)
|
|
with Children(self, 0):
|
|
pass
|
|
return
|
|
|
|
with SubItem(self):
|
|
self.put('iname="%s",' % iname)
|
|
self.put('name="%s",' % escapedExp)
|
|
self.put('exp="%s",' % escapedExp)
|
|
handled = False
|
|
if len(exp) == 0: # The <Edit> case
|
|
self.putValue(" ")
|
|
self.putType(" ")
|
|
self.putNumChild(0)
|
|
else:
|
|
try:
|
|
value = parseAndEvaluate(exp)
|
|
item = Item(value, iname, None, None)
|
|
if not value is None:
|
|
self.putAddress(value.address)
|
|
self.putItem(item)
|
|
except RuntimeError:
|
|
self.currentType = " "
|
|
self.currentValue = "<no such value>"
|
|
self.currentChildNumChild = -1
|
|
self.currentNumChilds = 0
|
|
self.putNumChild(0)
|
|
|
|
|
|
def put(self, value):
|
|
self.output += value
|
|
|
|
def putField(self, name, value):
|
|
self.put('%s="%s",' % (name, value))
|
|
|
|
def childRange(self):
|
|
return xrange(qmin(self.currentMaxNumChilds, self.currentNumChilds))
|
|
|
|
# Convenience function.
|
|
def putItemCount(self, count, maximum = 1000000000):
|
|
# This needs to override the default value, so don't use 'put' directly.
|
|
if count > maximum:
|
|
self.putValue('<>%s items>' % maximum)
|
|
else:
|
|
self.putValue('<%s items>' % count)
|
|
|
|
def putEllipsis(self):
|
|
self.put('{name="<incomplete>",value="",type="",numchild="0"},')
|
|
|
|
def putType(self, type, priority = 0):
|
|
# Higher priority values override lower ones.
|
|
if priority >= self.currentTypePriority:
|
|
self.currentType = type
|
|
self.currentTypePriority = priority
|
|
|
|
def putAddress(self, addr):
|
|
self.put('addr="%s",' % cleanAddress(addr))
|
|
|
|
def putNumChild(self, numchild):
|
|
#warn("NUM CHILD: '%s' '%s'" % (numchild, self.currentChildNumChild))
|
|
if numchild != self.currentChildNumChild:
|
|
self.put('numchild="%s",' % numchild)
|
|
|
|
def putValue(self, value, encoding = None, priority = 0):
|
|
# Higher priority values override lower ones.
|
|
if priority >= self.currentValuePriority:
|
|
self.currentValue = value
|
|
self.currentValuePriority = priority
|
|
self.currentValueEncoding = encoding
|
|
|
|
def putPointerValue(self, value):
|
|
# Use a lower priority
|
|
self.putValue("0x%x" % value.dereference().cast(
|
|
lookupType("unsigned long")), None, -1)
|
|
|
|
def putStringValue(self, value):
|
|
if not value is None:
|
|
str = encodeString(value)
|
|
self.putValue(str, Hex4EncodedLittleEndian)
|
|
|
|
def putDisplay(self, format, value = None, cmd = None):
|
|
self.put('editformat="%s",' % format)
|
|
if cmd is None:
|
|
if not value is None:
|
|
self.put('editvalue="%s",' % value)
|
|
else:
|
|
self.put('editvalue="%s|%s",' % (cmd, value))
|
|
|
|
def putByteArrayValue(self, value):
|
|
str = encodeByteArray(value)
|
|
self.putValue(str, Hex2EncodedLatin1)
|
|
|
|
def putName(self, name):
|
|
self.put('name="%s",' % name)
|
|
|
|
def isExpanded(self, item):
|
|
#warn("IS EXPANDED: %s in %s" % (item.iname, self.expandedINames))
|
|
if item.iname is None:
|
|
raise "Illegal iname 'None'"
|
|
if item.iname.startswith("None"):
|
|
raise "Illegal iname '%s'" % item.iname
|
|
#warn(" --> %s" % (item.iname in self.expandedINames))
|
|
return item.iname in self.expandedINames
|
|
|
|
def isExpandedIName(self, iname):
|
|
return iname in self.expandedINames
|
|
|
|
def stripNamespaceFromType(self, typeobj):
|
|
# This breaks for dumpers type names containing '__star'.
|
|
# But this should not happen as identifiers containing two
|
|
# subsequent underscores are reserved for the implemention.
|
|
if typeobj.code == gdb.TYPE_CODE_PTR:
|
|
return self.stripNamespaceFromType(typeobj.target()) + "__star"
|
|
type = stripClassTag(str(typeobj))
|
|
if len(self.ns) > 0 and type.startswith(self.ns):
|
|
type = type[len(self.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("<")
|
|
return type
|
|
|
|
def isMovableType(self, type):
|
|
if type.code == gdb.TYPE_CODE_PTR:
|
|
return True
|
|
if isSimpleType(type):
|
|
return True
|
|
return self.stripNamespaceFromType(type) in movableTypes
|
|
|
|
def putIntItem(self, name, value):
|
|
with SubItem(self):
|
|
self.putName(name)
|
|
self.putValue(value)
|
|
self.putType("int")
|
|
self.putNumChild(0)
|
|
|
|
def putBoolItem(self, name, value):
|
|
with SubItem(self):
|
|
self.putName(name)
|
|
self.putValue(value)
|
|
self.putType("bool")
|
|
self.putNumChild(0)
|
|
|
|
def itemFormat(self, item):
|
|
format = self.formats.get(item.iname)
|
|
if format is None:
|
|
format = self.typeformats.get(stripClassTag(str(item.value.type)))
|
|
return format
|
|
|
|
def putSubItem(self, item):
|
|
with SubItem(self):
|
|
self.putItem(item)
|
|
|
|
def putCallItem(self, name, item, func, *args):
|
|
result = call2(item.value, func, args)
|
|
self.putSubItem(Item(result, item.iname, name, name))
|
|
|
|
def putItem(self, item):
|
|
name = getattr(item, "name", None)
|
|
if not name is None:
|
|
self.putName(name)
|
|
|
|
if item.value is None:
|
|
# Happens for non-available watchers in gdb versions that
|
|
# need to use gdb.execute instead of gdb.parse_and_eval
|
|
self.putValue("<not available>")
|
|
self.putType("<unknown>")
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
# FIXME: Gui shows references stripped?
|
|
#warn(" ")
|
|
#warn("REAL INAME: %s " % item.iname)
|
|
#warn("REAL NAME: %s " % name)
|
|
#warn("REAL TYPE: %s " % item.value.type)
|
|
#warn("REAL CODE: %s " % item.value.type.code)
|
|
#warn("REAL VALUE: %s " % item.value)
|
|
#try:
|
|
# warn("REAL VALUE: %s " % item.value)
|
|
#except:
|
|
# #UnicodeEncodeError:
|
|
# warn("REAL VALUE: <unprintable>")
|
|
|
|
value = item.value
|
|
try:
|
|
realtype = value.dynamic_type
|
|
except:
|
|
realtype = value.type
|
|
type = realtype;
|
|
format = self.itemFormat(item)
|
|
|
|
if type.code == gdb.TYPE_CODE_REF:
|
|
try:
|
|
# This throws "RuntimeError: Attempt to dereference a
|
|
# generic pointer." with MinGW's gcc 4.5 when it "identifies"
|
|
# a "QWidget &" as "void &".
|
|
type = type.target()
|
|
value = value.cast(type)
|
|
item.value = value
|
|
except RuntimeError:
|
|
value = item.value
|
|
type = value.type
|
|
|
|
if type.code == gdb.TYPE_CODE_STRUCT and self.alienSource:
|
|
try:
|
|
# Check whether it's an array.
|
|
arraylen = value["length"]
|
|
arrayptr = value["ptr"]
|
|
self.putType(type)
|
|
self.putAddress(value.address)
|
|
if str(type) == "struct char[]":
|
|
self.putValue(encodeCharArray(arrayptr, 100, arraylen),
|
|
Hex2EncodedLatin1)
|
|
self.putNumChild(0)
|
|
else:
|
|
self.putNumChild(arraylen)
|
|
self.putItemCount(arraylen)
|
|
if self.isExpanded(item):
|
|
with Children(self):
|
|
for i in range(arraylen):
|
|
v = arrayptr.dereference()
|
|
self.putSubItem(Item(v, item.iname))
|
|
arrayptr += 1
|
|
return
|
|
except:
|
|
pass
|
|
|
|
if type.code == gdb.TYPE_CODE_INT:
|
|
if self.alienSource and str(type) == "unsigned long long":
|
|
strlen = value % (1L<<32)
|
|
strptr = value / (1L<<32)
|
|
self.putType("string")
|
|
self.putAddress(value.address)
|
|
self.putValue(encodeCharArray(strptr, 100, strlen), Hex2EncodedLatin1)
|
|
self.putNumChild(0)
|
|
return
|
|
self.putType(realtype)
|
|
self.putValue(int(value))
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if type.code == gdb.TYPE_CODE_CHAR:
|
|
self.putType(realtype)
|
|
self.putValue(int(value))
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if value.type.code == gdb.TYPE_CODE_ARRAY:
|
|
self.putType(realtype)
|
|
self.putNumChild(1)
|
|
baseptr = value.cast(realtype.pointer())
|
|
self.putValue("%s" % baseptr)
|
|
if self.isExpanded(item):
|
|
charptr = lookupType("unsigned char").pointer()
|
|
addr1 = (baseptr+1).cast(charptr)
|
|
addr0 = baseptr.cast(charptr)
|
|
self.put('addrbase="%s",' % cleanAddress(addr0))
|
|
self.put('addrstep="%s",' % (addr1 - addr0))
|
|
with Children(self, 1, realtype.target()):
|
|
child = Item(value, item.iname, None, item.name)
|
|
self.putFields(child)
|
|
return
|
|
|
|
typedefStrippedType = stripTypedefs(type)
|
|
|
|
if isSimpleType(typedefStrippedType):
|
|
#warn("IS SIMPLE: %s " % type)
|
|
#self.putAddress(value.address)
|
|
self.putType(realtype)
|
|
self.putValue(value)
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
# Is this derived from QObject?
|
|
isQObjectDerived = self.checkForQObjectBase(typedefStrippedType)
|
|
|
|
nsStrippedType = self.stripNamespaceFromType(typedefStrippedType)\
|
|
.replace("::", "__")
|
|
|
|
#warn(" STRIPPED: %s" % nsStrippedType)
|
|
#warn(" DUMPERS: %s" % (nsStrippedType in qqDumpers))
|
|
|
|
if self.useFancy \
|
|
and ((format is None) or (format >= 1)) \
|
|
and ((nsStrippedType in qqDumpers) \
|
|
or (str(type) in qqDumpers) \
|
|
or isQObjectDerived):
|
|
#warn("IS DUMPABLE: %s " % type)
|
|
#self.putAddress(value.address)
|
|
self.putType(realtype)
|
|
if nsStrippedType in qqDumpers:
|
|
qqDumpers[nsStrippedType](self, item)
|
|
if str(type) in qqDumpers:
|
|
qqDumpers[str(type)](self, item)
|
|
elif isQObjectDerived:
|
|
# value has references stripped off item.value.
|
|
item1 = Item(value, item.iname)
|
|
qdump__QObject(self, item1)
|
|
#warn(" RESULT: %s " % self.output)
|
|
return
|
|
|
|
if typedefStrippedType.code == gdb.TYPE_CODE_PTR:
|
|
#warn("POINTER: %s" % format)
|
|
target = stripTypedefs(type.target())
|
|
|
|
if isNull(value):
|
|
#warn("NULL POINTER")
|
|
self.putType(realtype)
|
|
self.putValue("0x0")
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if target.code == gdb.TYPE_CODE_VOID:
|
|
#warn("VOID POINTER: %s" % format)
|
|
self.putType(realtype)
|
|
self.putValue(str(value))
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if format == 0:
|
|
# Explicitly requested bald pointer.
|
|
self.putAddress(value.address)
|
|
self.putType(realtype)
|
|
self.putPointerValue(value.address)
|
|
self.putNumChild(1)
|
|
if self.isExpanded(item):
|
|
with Children(self):
|
|
with SubItem(self):
|
|
self.putItem(Item(item.value.dereference(),
|
|
item.iname, "*", "*"))
|
|
self.putAddress(item.value)
|
|
return
|
|
|
|
if format == 1 or format == 2:
|
|
# Explicityly requested Latin1 or UTF-8 formatting.
|
|
f = select(format == 1, Hex2EncodedLatin1, Hex2EncodedUtf8)
|
|
self.putAddress(value.address)
|
|
self.putType(realtype)
|
|
self.putValue(encodeCharArray(value, 100), f)
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if format == 3:
|
|
# Explitly requested UTF-16 formatting.
|
|
self.putAddress(value.address)
|
|
self.putType(realtype)
|
|
self.putValue(encodeChar2Array(value, 100), Hex4EncodedBigEndian)
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if format == 4:
|
|
# Explitly requested UCS-4 formatting.
|
|
self.putAddress(value.address)
|
|
self.putType(realtype)
|
|
self.putValue(encodeChar4Array(value, 100), Hex8EncodedBigEndian)
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if (str(typedefStrippedType)
|
|
.replace("(anonymous namespace)", "").find("(") != -1):
|
|
# A function pointer with format None.
|
|
self.putValue(str(item.value))
|
|
self.putAddress(value.address)
|
|
self.putType(realtype)
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
#warn("AUTODEREF: %s" % self.autoDerefPointers)
|
|
if self.autoDerefPointers or name == "this":
|
|
## Generic pointer type with format None
|
|
#warn("GENERIC AUTODEREF POINTER: %s" % value.address)
|
|
innerType = realtype.target()
|
|
innerTypeName = str(innerType.unqualified())
|
|
# Never dereference char types.
|
|
if innerTypeName != "char" and innerTypeName != "signed char" \
|
|
and innerTypeName != "unsigned char" and innerTypeName != "wchar_t":
|
|
self.putType(innerType)
|
|
savedCurrentChildType = self.currentChildType
|
|
self.currentChildType = stripClassTag(str(innerType))
|
|
self.putItem(
|
|
Item(item.value.dereference(), item.iname, None, None))
|
|
self.currentChildType = savedCurrentChildType
|
|
self.putPointerValue(value.address)
|
|
return
|
|
|
|
# Fall back to plain pointer printing.
|
|
#warn("GENERIC PLAIN POINTER: %s" % value.type)
|
|
self.putType(realtype)
|
|
self.putAddress(value.address)
|
|
self.putNumChild(1)
|
|
if self.isExpanded(item):
|
|
with Children(self):
|
|
with SubItem(self):
|
|
self.putItem(Item(item.value.dereference(),
|
|
item.iname, "*", "*"))
|
|
self.putAddress(item.value)
|
|
self.putPointerValue(value.address)
|
|
return
|
|
|
|
if str(typedefStrippedType).startswith("<anon"):
|
|
# Anonymous union. We need a dummy name to distinguish
|
|
# multiple anonymous unions in the struct.
|
|
self.putType(realtype)
|
|
self.putValue("{...}")
|
|
self.anonNumber += 1
|
|
with Children(self, 1):
|
|
self.listAnonymous(item, "#%d" % self.anonNumber, type)
|
|
return
|
|
|
|
#warn("GENERIC STRUCT: %s" % realtype)
|
|
#warn("INAME: %s " % item.iname)
|
|
#warn("INAMES: %s " % self.expandedINames)
|
|
#warn("EXPANDED: %s " % (item.iname in self.expandedINames))
|
|
fields = extractFields(type)
|
|
|
|
self.putType(item.value.type)
|
|
try:
|
|
self.putAddress(item.value.address)
|
|
except:
|
|
pass
|
|
self.putValue("{...}")
|
|
|
|
if False:
|
|
numfields = 0
|
|
for field in fields:
|
|
bitpos = getattr(field, "bitpos", None)
|
|
if not bitpos is None:
|
|
++numfields
|
|
else:
|
|
numfields = len(fields)
|
|
self.putNumChild(numfields)
|
|
|
|
|
|
if self.isExpanded(item):
|
|
innerType = None
|
|
if len(fields) == 1 and fields[0].name is None:
|
|
innerType = value.type.target()
|
|
with Children(self, 1, innerType):
|
|
child = Item(value, item.iname, None, item.name)
|
|
self.putFields(child)
|
|
|
|
def putPlainChildren(self, item):
|
|
self.putValue(" ", None, -99)
|
|
self.putNumChild(1)
|
|
self.putAddress(item.value.address)
|
|
if self.isExpanded(item):
|
|
with Children(self):
|
|
self.putFields(item)
|
|
|
|
def putFields(self, item):
|
|
value = item.value
|
|
type = stripTypedefs(value.type)
|
|
fields = extractFields(type)
|
|
baseNumber = 0
|
|
for field in fields:
|
|
#warn("FIELD: %s" % field)
|
|
#warn(" BITSIZE: %s" % field.bitsize)
|
|
#warn(" ARTIFICIAL: %s" % field.artificial)
|
|
bitpos = getattr(field, "bitpos", None)
|
|
if bitpos is None: # FIXME: Is check correct?
|
|
continue # A static class member(?).
|
|
|
|
if field.name is None:
|
|
innerType = type.target()
|
|
p = value.cast(innerType.pointer())
|
|
for i in xrange(type.sizeof / innerType.sizeof):
|
|
self.putSubItem(Item(p.dereference(), item.iname, i, None))
|
|
p = p + 1
|
|
continue
|
|
|
|
# Ignore vtable pointers for virtual inheritance.
|
|
if field.name.startswith("_vptr."):
|
|
continue
|
|
|
|
#warn("FIELD NAME: %s" % field.name)
|
|
#warn("FIELD TYPE: %s" % field.type)
|
|
# The 'field.is_base_class' attribute exists in gdb 7.0.X and later only.
|
|
# Symbian gdb is 6.8 as of 20.10.2010. TODO: Remove once Symbian gdb is up to date.
|
|
if hasattr(field, 'is_base_class'):
|
|
isBaseClass = field.is_base_class
|
|
else:
|
|
isBaseClass = field.name == stripClassTag(str(field.type))
|
|
if isBaseClass:
|
|
# Field is base type. We cannot use field.name as part
|
|
# of the iname as it might contain spaces and other
|
|
# strange characters.
|
|
child = Item(value.cast(field.type),
|
|
item.iname, "@%d" % baseNumber, field.name)
|
|
baseNumber += 1
|
|
with SubItem(self):
|
|
self.put('iname="%s",' % child.iname)
|
|
self.putItem(child)
|
|
elif len(field.name) == 0:
|
|
# Anonymous union. We need a dummy name to distinguish
|
|
# multiple anonymous unions in the struct.
|
|
self.anonNumber += 1
|
|
self.listAnonymous(item, "#%d" % self.anonNumber,
|
|
field.type)
|
|
else:
|
|
# Named field.
|
|
with SubItem(self):
|
|
child = Item(value[field.name],
|
|
item.iname, field.name, field.name)
|
|
self.putItem(child)
|
|
|
|
|
|
def listAnonymous(self, item, name, type):
|
|
for field in type.fields():
|
|
#warn("FIELD NAME: %s" % field.name)
|
|
if len(field.name) > 0:
|
|
value = item.value[field.name]
|
|
child = Item(value, item.iname, field.name, field.name)
|
|
with SubItem(self):
|
|
self.putAddress(value.address)
|
|
self.putItem(child)
|
|
else:
|
|
# Further nested.
|
|
self.anonNumber += 1
|
|
name = "#%d" % self.anonNumber
|
|
iname = "%s.%s" % (item.iname, name)
|
|
child = Item(item.value, iname, None, name)
|
|
with SubItem(self):
|
|
self.put('name="%s",' % name)
|
|
self.putValue(" ")
|
|
if str(field.type).endswith("<anonymous union>"):
|
|
self.putType("<anonymous union>")
|
|
elif str(field.type).endswith("<anonymous struct>"):
|
|
self.putType("<anonymous struct>")
|
|
else:
|
|
self.putType(field.type)
|
|
with Children(self, 1):
|
|
self.listAnonymous(child, name, field.type)
|
|
|
|
#######################################################################
|
|
#
|
|
# ThreadNames Command
|
|
#
|
|
#######################################################################
|
|
|
|
|
|
class ThreadNamesCommand(gdb.Command):
|
|
"""Guess Thread names"""
|
|
|
|
def __init__(self):
|
|
super(ThreadNamesCommand, self).__init__("threadnames", gdb.COMMAND_OBSCURE)
|
|
|
|
def invoke(self, arg, from_tty):
|
|
ns = qtNamespace()
|
|
out = '['
|
|
for thread in gdb.inferiors()[0].threads():
|
|
maximalStackDepth = int(arg)
|
|
thread.switch()
|
|
e = gdb.selected_frame ()
|
|
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":
|
|
try:
|
|
thrptr = e.read_var("thr").dereference()
|
|
obtype = lookupType(ns + "QObjectPrivate").pointer()
|
|
d_ptr = thrptr["d_ptr"]["d"].cast(obtype).dereference()
|
|
objectName = d_ptr["objectName"]
|
|
out += '{valueencoded="';
|
|
out += str(Hex4EncodedLittleEndianWithoutQuotes)+'",id="'
|
|
out += str(thread.num) + '",value="'
|
|
out += encodeString(objectName)
|
|
out += '"},'
|
|
except:
|
|
pass
|
|
print out[:-1] + ']'
|
|
|
|
ThreadNamesCommand()
|
|
|
|
|