forked from qt-creator/qt-creator
1235 lines
41 KiB
Python
1235 lines
41 KiB
Python
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#Note: Keep name-type-value-numchild-extra order
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#return
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import sys
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import traceback
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import gdb
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import base64
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import os
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import __builtin__
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if os.name == "nt":
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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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else:
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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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# only needed for gdb 7.0/7.0.1 that do not implement parse_and_eval
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import os
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import tempfile
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verbosity = 0
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verbosity = 1
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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 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(gdb.lookup_type("void").pointer())
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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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file = tempfile.mkstemp(prefix="gdbpy_")
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filename = file[1]
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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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gdb.execute(command)
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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file = open(filename, "r")
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lines = []
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for line in file:
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lines.append(line)
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file.close()
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try: # files may still be locked by gdb on Windows
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os.remove(filename)
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except:
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pass
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return lines
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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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if '.' in number: # Part of multiple breakpoint.
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continue
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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()
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# Creates a list of field names of an anon union or struct
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def listOfFields(type):
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fields = []
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for field in type.fields():
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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):
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try:
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frame = gdb.selected_frame()
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#warn("FRAME %s: " % frame)
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except RuntimeError:
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warn("FRAME NOT ACCESSIBLE")
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return []
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# gdb-6.8-symbianelf fails here
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hasBlock = 'block' in __builtin__.dir(frame)
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items = []
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if hasBlock and isGoodGdb():
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warn("IS GOOD: %s " % varList)
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try:
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block = frame.block()
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#warn("BLOCK: %s " % block)
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except:
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warn("BLOCK NOT ACCESSIBLE")
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return items
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while True:
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if block is None:
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warn("UNEXPECTED 'None' BLOCK")
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break
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for symbol in block:
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name = symbol.print_name
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if name == "__in_chrg":
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continue
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# "NotImplementedError: Symbol type not yet supported in
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# Python scripts."
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#warn("SYMBOL %s: " % symbol.value)
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#warn("SYMBOL %s (%s): " % (symbol, name))
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item = Item(0, "local", name, name)
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try:
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item.value = frame.read_var(name) # this is a gdb value
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except RuntimeError:
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# happens for void foo() { std::string s; std::wstring w; }
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#warn(" FRAME READ VAR ERROR: %s (%s): " % (symbol, name))
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continue
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#warn("ITEM %s: " % item.value)
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items.append(item)
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# The outermost block in a function has the function member
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# FIXME: check whether this is guaranteed.
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if not block.function is None:
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break
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block = block.superblock
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else:
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# Assuming gdb 7.0 release or 6.8-symbianelf.
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file = tempfile.mkstemp(prefix="gdbpy_")
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filename = file[1]
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#warn("VARLIST: %s " % varList)
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#warn("VARLIST: %s " % len(varList))
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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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try:
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gdb.execute("info args")
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# We cannot use "info locals" as at least 6.8-symbianelf
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# aborts as soon as we hit unreadable memory.
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# gdb.execute("interpreter mi '-stack-list-locals 0'")
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# results in &"Recursive internal problem.\n", so we have
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# the frontend pass us the list of locals.
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# There are two cases, either varList is empty, so we have
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# to fetch the list here, or it is not empty with the
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# first entry being a dummy.
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if len(varList) == 0:
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gdb.execute("info locals")
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else:
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varList = varList[1:]
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except:
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pass
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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file = open(filename, "r")
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for line in file:
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if len(line) == 0 or line.startswith(" "):
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continue
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# The function parameters
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pos = line.find(" = ")
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if pos < 0:
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continue
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varList.append(line[0:pos])
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file.close()
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try: # files may still be locked by gdb on Windows
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os.remove(filename)
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except:
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pass
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#warn("VARLIST: %s " % varList)
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for name in varList:
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#warn("NAME %s " % name)
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item = Item(0, "local", name, name)
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try:
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item.value = frame.read_var(name) # this is a gdb value
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except RuntimeError:
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pass
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#continue
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items.append(item)
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return items
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def value(expr):
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value = parseAndEvaluate(expr)
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try:
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return int(value)
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except:
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return str(value)
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def isSimpleType(typeobj):
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if typeobj.code == gdb.TYPE_CODE_PTR:
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return False
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type = str(typeobj)
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return type == "bool" \
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or type == "char" \
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or type == "double" \
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or type == "float" \
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or type == "int" \
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or type == "long" or type.startswith("long ") \
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or type == "short" or type.startswith("short ") \
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or type == "signed" or type.startswith("signed ") \
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or type == "unsigned" or type.startswith("unsigned ")
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def isStringType(d, typeobj):
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type = str(typeobj)
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return type == d.ns + "QString" \
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or type == d.ns + "QByteArray" \
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or type == "std::string" \
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or type == "std::wstring" \
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or type == "wstring"
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def warn(message):
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if True or verbosity > 0:
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print "XXX: %s\n" % message.encode("latin1")
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pass
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def check(exp):
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if not exp:
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raise RuntimeError("Check failed")
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def checkRef(ref):
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count = ref["_q_value"]
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check(count > 0)
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check(count < 1000000) # assume there aren't a million references to any object
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#def couldBePointer(p, align):
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# type = gdb.lookup_type("unsigned int")
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# ptr = gdb.Value(p).cast(type)
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# d = int(str(ptr))
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# warn("CHECKING : %s %d " % (p, ((d & 3) == 0 and (d > 1000 or d == 0))))
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# return (d & (align - 1)) and (d > 1000 or d == 0)
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def checkAccess(p, align = 1):
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return p.dereference()
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def checkContents(p, expected, align = 1):
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if int(p.dereference()) != expected:
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raise RuntimeError("Contents check failed")
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def checkPointer(p, align = 1):
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if not isNull(p):
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p.dereference()
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def isNull(p):
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# The following can cause evaluation to abort with "UnicodeEncodeError"
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# for invalid char *, as their "contents" is being examined
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#s = str(p)
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#return s == "0x0" or s.startswith("0x0 ")
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return p.cast(gdb.lookup_type("void").pointer()) == 0
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movableTypes = set([
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"QBrush", "QBitArray", "QByteArray",
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"QCustomTypeInfo", "QChar",
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"QDate", "QDateTime",
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"QFileInfo", "QFixed", "QFixedPoint", "QFixedSize",
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"QHashDummyValue",
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"QIcon", "QImage",
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"QLine", "QLineF", "QLatin1Char", "QLocal",
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"QMatrix", "QModelIndex",
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"QPoint", "QPointF", "QPen", "QPersistentModelIndex",
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"QResourceRoot", "QRect", "QRectF", "QRegExp",
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"QSize", "QSizeF", "QString",
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"QTime", "QTextBlock",
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"QUrl",
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"QVariant",
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"QXmlStreamAttribute", "QXmlStreamNamespaceDeclaration",
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"QXmlStreamNotationDeclaration", "QXmlStreamEntityDeclaration"])
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def stripClassTag(type):
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if type.startswith("class "):
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return type[6:]
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return type
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def checkPointerRange(p, n):
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for i in xrange(n):
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checkPointer(p)
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++p
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def call(value, func):
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#warn("CALL: %s -> %s" % (value, func))
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type = stripClassTag(str(value.type))
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if type.find(":") >= 0:
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type = "'" + type + "'"
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exp = "((%s*)%s)->%s" % (type, value.address, func)
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#warn("CALL: %s" % exp)
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result = parseAndEvaluate(exp)
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#warn(" -> %s" % result)
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return result
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|
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def qtNamespace():
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try:
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type = str(parseAndEvaluate("&QString::null").type.target().unqualified())
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return type[0:len(type) - len("QString::null")]
|
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except RuntimeError:
|
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return ""
|
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except AttributeError:
|
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# Happens for none-Qt applications
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return ""
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|
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def encodeCharArray(p, size):
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s = ""
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p = p.cast(gdb.lookup_type("unsigned char").pointer())
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for i in xrange(size):
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s += "%02x" % int(p.dereference())
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p += 1
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return s
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|
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def encodeByteArray(value):
|
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d_ptr = value['d'].dereference()
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data = d_ptr['data']
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size = d_ptr['size']
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alloc = d_ptr['alloc']
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check(0 <= size and size <= alloc and alloc <= 100*1000*1000)
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checkRef(d_ptr["ref"])
|
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if size > 0:
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checkAccess(data, 4)
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checkAccess(data + size) == 0
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|
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innerType = gdb.lookup_type("char")
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p = gdb.Value(data.cast(innerType.pointer()))
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return encodeCharArray(p, size)
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|
|
def encodeString(value):
|
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d_ptr = value['d'].dereference()
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data = d_ptr['data']
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size = d_ptr['size']
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alloc = d_ptr['alloc']
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check(0 <= size and size <= alloc and alloc <= 100*1000*1000)
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if size > 0:
|
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checkAccess(data, 4)
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checkAccess(data + size * 2) == 0
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checkRef(d_ptr["ref"])
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p = gdb.Value(d_ptr["data"])
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s = ""
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for i in xrange(size):
|
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val = int(p.dereference())
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s += "%02x" % (val % 256)
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s += "%02x" % (val / 256)
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p += 1
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return s
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|
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#######################################################################
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#
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# Item
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#
|
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#######################################################################
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|
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class Item:
|
|
def __init__(self, value, parentiname, iname, name = None):
|
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self.value = value
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if iname is None:
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self.iname = parentiname
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else:
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self.iname = "%s.%s" % (parentiname, iname)
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self.name = name
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|
|
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#######################################################################
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#
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# FrameCommand
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#
|
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#######################################################################
|
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|
|
class FrameCommand(gdb.Command):
|
|
"""Do fancy stuff. Usage bb --verbose expandedINames"""
|
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|
|
def __init__(self):
|
|
super(FrameCommand, self).__init__("bb", gdb.COMMAND_OBSCURE)
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|
|
|
def invoke(self, arg, from_tty):
|
|
args = arg.split(' ')
|
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|
|
#warn("ARG: %s" % arg)
|
|
#warn("ARGS: %s" % args)
|
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options = args[0].split(",")
|
|
varList = args[1][1:]
|
|
if len(varList) == 0:
|
|
varList = []
|
|
else:
|
|
varList = varList.split(",")
|
|
expandedINames = set(args[2].split(","))
|
|
watchers = ""
|
|
if len(args) > 3:
|
|
watchers = base64.b16decode(args[3], True)
|
|
#warn("WATCHERS: %s" % watchers)
|
|
|
|
useFancy = "fancy" in options
|
|
|
|
#warn("VARIABLES: %s" % varList)
|
|
#warn("EXPANDED INAMES: %s" % expandedINames)
|
|
module = sys.modules[__name__]
|
|
self.dumpers = {}
|
|
|
|
if useFancy == -1:
|
|
output = "dumpers=["
|
|
for key, value in module.__dict__.items():
|
|
if key.startswith("qdump__"):
|
|
if output != "dumpers=[":
|
|
output += ","
|
|
output += '"' + key[7:] + '"'
|
|
output += "],"
|
|
#output += "qtversion=[%d,%d,%d]"
|
|
#output += "qtversion=[4,6,0],"
|
|
output += "namespace=\"%s\"," % qtNamespace()
|
|
output += "dumperversion=\"2.0\","
|
|
output += "sizes=[],"
|
|
output += "expressions=[]"
|
|
output += "]"
|
|
print output
|
|
return
|
|
|
|
|
|
if useFancy:
|
|
for key, value in module.__dict__.items():
|
|
if key.startswith("qdump__"):
|
|
self.dumpers[key[7:]] = value
|
|
|
|
d = Dumper()
|
|
d.dumpers = self.dumpers
|
|
d.useFancy = useFancy
|
|
d.passExceptions = "passexceptions" in options
|
|
d.autoDerefPointers = "autoderef" in options
|
|
d.ns = qtNamespace()
|
|
d.expandedINames = expandedINames
|
|
#warn(" NAMESPACE IS: '%s'" % d.ns)
|
|
|
|
#
|
|
# Locals
|
|
#
|
|
for item in listOfLocals(varList):
|
|
#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.
|
|
d.beginHash()
|
|
d.put('iname="%s",' % item.iname)
|
|
d.put('name="%s",' % item.name)
|
|
d.put('addr="<not accessible>",')
|
|
d.put('value="<not accessible>",')
|
|
d.put('type="%s",' % item.value.type)
|
|
d.put('numchild="0"');
|
|
d.endHash()
|
|
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.
|
|
if not isNull(p):
|
|
while not isNull(p.dereference()) and n <= 100:
|
|
p += 1
|
|
n += 1
|
|
|
|
d.beginHash()
|
|
d.put('iname="%s",' % item.iname)
|
|
d.putName(item.name)
|
|
d.putItemCount(select(n <= 100, n, "> 100"))
|
|
d.putType(type)
|
|
d.putNumChild(n)
|
|
if d.isExpanded(item):
|
|
p = item.value
|
|
d.beginChildren(n)
|
|
for i in xrange(n):
|
|
value = p.dereference()
|
|
d.putItem(Item(value, item.iname, i, None))
|
|
p += 1
|
|
if n > 100:
|
|
d.putEllipsis()
|
|
d.endChildren()
|
|
d.endHash()
|
|
|
|
else:
|
|
# A "normal" local variable or parameter.
|
|
try:
|
|
addr = cleanAddress(item.value.address)
|
|
d.beginHash()
|
|
d.put('iname="%s",' % item.iname)
|
|
d.put('addr="%s",' % addr)
|
|
d.safePutItemHelper(item)
|
|
d.endHash()
|
|
except AttributeError:
|
|
# Thrown by cleanAddress with message "'NoneType' object
|
|
# has no attribute 'cast'" for optimized-out values.
|
|
d.beginHash()
|
|
d.put('iname="%s",' % item.iname)
|
|
d.put('name="%s",' % item.name)
|
|
d.put('addr="<optimized out>",')
|
|
d.put('value="<optimized out>",')
|
|
d.put('type="%s"' % item.value.type)
|
|
d.endHash()
|
|
|
|
d.pushOutput()
|
|
locals = d.safeoutput
|
|
|
|
|
|
#
|
|
# Watchers
|
|
#
|
|
d.safeoutput = ""
|
|
if len(watchers) > 0:
|
|
for watcher in watchers.split("##"):
|
|
(exp, iname) = watcher.split("#")
|
|
self.handleWatch(d, exp, iname)
|
|
d.pushOutput()
|
|
watchers = d.safeoutput
|
|
|
|
sep = ""
|
|
if len(locals) and len(watchers):
|
|
sep = ","
|
|
|
|
#
|
|
# Breakpoints
|
|
#
|
|
#breakpoints = ""
|
|
#d.safeoutput = ""
|
|
#listOfBreakpoints(d)
|
|
#d.pushOutput()
|
|
#breakpoints = d.safeoutput
|
|
|
|
#print('data=[' + locals + sep + watchers + '],bkpts=[' + breakpoints + ']\n')
|
|
print('data=[' + locals + sep + watchers + ']\n')
|
|
|
|
|
|
def handleWatch(self, d, exp, iname):
|
|
#warn("HANDLING WATCH %s, INAME: '%s'" % (exp, iname))
|
|
if exp.startswith("["):
|
|
warn("EVAL: EXP: %s" % exp)
|
|
d.beginHash()
|
|
d.put('iname="%s",' % iname)
|
|
d.put('name="%s",' % exp)
|
|
d.put('exp="%s",' % exp)
|
|
try:
|
|
list = eval(exp)
|
|
#warn("EVAL: LIST: %s" % list)
|
|
d.put('value=" "')
|
|
d.put('type=" "')
|
|
d.put('numchild="%d"' % len(list))
|
|
# This is a list of expressions to evaluate
|
|
d.beginChildren(len(list))
|
|
itemNumber = 0
|
|
for item in list:
|
|
self.handleWatch(d, item, "%s.%d" % (iname, itemNumber))
|
|
itemNumber += 1
|
|
d.endChildren()
|
|
except:
|
|
warn("EVAL: ERROR CAUGHT")
|
|
d.put('value="<syntax error>"')
|
|
d.put('type=" "')
|
|
d.put('numchild="0"')
|
|
d.beginChildren(0)
|
|
d.endChildren()
|
|
d.endHash()
|
|
return
|
|
|
|
d.beginHash()
|
|
d.put('iname="%s",' % iname)
|
|
d.put('name="%s",' % exp)
|
|
d.put('exp="%s",' % exp)
|
|
handled = False
|
|
if exp == "<Edit>":
|
|
d.put('value=" ",type=" ",numchild="0",')
|
|
else:
|
|
try:
|
|
value = parseAndEvaluate(exp)
|
|
item = Item(value, iname, None, None)
|
|
d.putItemHelper(item)
|
|
except RuntimeError:
|
|
d.put('value="<invalid>",type="<unknown>",numchild="0",')
|
|
d.endHash()
|
|
|
|
|
|
FrameCommand()
|
|
|
|
|
|
#######################################################################
|
|
#
|
|
# 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):
|
|
self.output = ""
|
|
self.safeoutput = ""
|
|
self.childTypes = [""]
|
|
self.childNumChilds = [-1]
|
|
self.maxNumChilds = [-1]
|
|
self.numChilds = [-1]
|
|
|
|
def put(self, value):
|
|
self.output += value
|
|
|
|
def putField(self, name, value):
|
|
self.put('%s="%s",' % (name, value))
|
|
|
|
def beginHash(self):
|
|
self.put('{')
|
|
|
|
def endHash(self):
|
|
self.put('},')
|
|
|
|
def beginItem(self, name):
|
|
self.put('%s="' %s)
|
|
|
|
def endItem(self):
|
|
self.put('",')
|
|
|
|
def beginChildren(self, numChild_ = 1, childType_ = None, childNumChild_ = None):
|
|
childType = ""
|
|
childNumChild = -1
|
|
if type(numChild_) is list:
|
|
numChild = numChild_[0]
|
|
maxNumChild = numChild_[1]
|
|
else:
|
|
numChild = numChild_
|
|
maxNumChild = numChild_
|
|
if numChild == 0:
|
|
childType_ = None
|
|
if not childType_ is None:
|
|
childType = stripClassTag(str(childType_))
|
|
self.put('childtype="%s",' % childType)
|
|
if isSimpleType(childType_) or isStringType(self, childType_):
|
|
self.put('childnumchild="0",')
|
|
childNumChild = 0
|
|
elif childType_.code == gdb.TYPE_CODE_PTR:
|
|
self.put('childnumchild="1",')
|
|
childNumChild = 1
|
|
if not childNumChild_ is None:
|
|
self.put('childnumchild="%s",' % childNumChild_)
|
|
childNumChild = childNumChild_
|
|
self.childTypes.append(childType)
|
|
self.childNumChilds.append(childNumChild)
|
|
self.numChilds.append(numChild)
|
|
self.maxNumChilds.append(maxNumChild)
|
|
#warn("BEGIN: %s" % self.childTypes)
|
|
self.put("children=[")
|
|
|
|
def endChildren(self):
|
|
#warn("END: %s" % self.childTypes)
|
|
numChild = self.numChilds.pop()
|
|
maxNumChild = self.maxNumChilds.pop()
|
|
if maxNumChild < numChild:
|
|
self.putEllipsis();
|
|
self.childTypes.pop()
|
|
self.childNumChilds.pop()
|
|
self.put('],')
|
|
|
|
def childRange(self):
|
|
return xrange(qmin(self.maxNumChilds[-1], self.numChilds[-1]))
|
|
|
|
# convenience
|
|
def putItemCount(self, count):
|
|
self.put('value="<%s items>",' % count)
|
|
|
|
def putEllipsis(self):
|
|
self.put('{name="<incomplete>",value="",type="",numchild="0"},')
|
|
|
|
def putType(self, type):
|
|
#warn("TYPES: '%s' '%s'" % (type, self.childTypes))
|
|
#warn(" EQUAL 2: %s " % (str(type) == self.childTypes[-1]))
|
|
type = stripClassTag(str(type))
|
|
if len(type) > 0 and type != self.childTypes[-1]:
|
|
self.put('type="%s",' % type) # str(type.unqualified()) ?
|
|
|
|
def putNumChild(self, numchild):
|
|
#warn("NUM CHILD: '%s' '%s'" % (numchild, self.childNumChilds[-1]))
|
|
if numchild != self.childNumChilds[-1]:
|
|
self.put('numchild="%s",' % numchild)
|
|
|
|
def putValue(self, value, encoding = None):
|
|
if not encoding is None:
|
|
self.putField("valueencoded", encoding)
|
|
self.putField("value", value)
|
|
|
|
def putStringValue(self, value):
|
|
if value is None:
|
|
self.put('value="<not available>",')
|
|
else:
|
|
str = encodeString(value)
|
|
self.put('valueencoded="%d",value="%s",' % (7, str))
|
|
|
|
def putByteArrayValue(self, value):
|
|
str = encodeByteArray(value)
|
|
self.put('valueencoded="%d",value="%s",' % (6, str))
|
|
|
|
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 unputField(self, name):
|
|
pos = self.output.rfind(",")
|
|
if self.output[pos + 1:].startswith(name):
|
|
self.output = self.output[0:pos]
|
|
|
|
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):
|
|
self.beginHash()
|
|
self.putName(name)
|
|
self.putValue(value)
|
|
self.putType("int")
|
|
self.putNumChild(0)
|
|
self.endHash()
|
|
|
|
def putBoolItem(self, name, value):
|
|
self.beginHash()
|
|
self.putName(name)
|
|
self.putValue(value)
|
|
self.putType("bool")
|
|
self.putNumChild(0)
|
|
self.endHash()
|
|
|
|
def pushOutput(self):
|
|
#warn("PUSH OUTPUT: %s " % self.output)
|
|
self.safeoutput += self.output
|
|
self.output = ""
|
|
|
|
def dumpInnerValueHelper(self, item):
|
|
if isSimpleType(item.value.type):
|
|
self.safePutItemHelper(item)
|
|
|
|
def safePutItem(self, item):
|
|
self.beginHash()
|
|
self.safePutItemHelper(item)
|
|
self.endHash()
|
|
|
|
def safePutItemHelper(self, item):
|
|
self.pushOutput()
|
|
# This is only used at the top level to ensure continuation
|
|
# after failures due to uninitialized or corrupted data.
|
|
if self.passExceptions:
|
|
# for debugging reasons propagate errors.
|
|
self.putItemHelper(item)
|
|
|
|
else:
|
|
try:
|
|
self.putItemHelper(item)
|
|
|
|
except RuntimeError:
|
|
self.output = ""
|
|
# FIXME: Only catch debugger related exceptions
|
|
#exType, exValue, exTraceback = sys.exc_info()
|
|
#tb = traceback.format_exception(exType, exValue, exTraceback)
|
|
#warn("Exception: %s" % ex.message)
|
|
# DeprecationWarning: BaseException.message
|
|
# has been deprecated
|
|
#warn("Exception.")
|
|
#for line in tb:
|
|
# warn("%s" % line)
|
|
self.putName(item.name)
|
|
self.putValue("<invalid>")
|
|
self.putType(str(item.value.type))
|
|
self.putNumChild(0)
|
|
#if self.isExpanded(item):
|
|
self.beginChildren()
|
|
self.endChildren()
|
|
self.pushOutput()
|
|
|
|
def putItem(self, item):
|
|
self.beginHash()
|
|
self.safePutItemHelper(item)
|
|
self.endHash()
|
|
|
|
def putCallItem(self, name, item, func):
|
|
try:
|
|
result = call(item.value, func)
|
|
self.safePutItem(Item(result, item.iname, name, name))
|
|
except:
|
|
self.safePutItem(Item(None, item.iname))
|
|
|
|
def putItemHelper(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 VALUE: %s " % item.value)
|
|
#try:
|
|
# warn("REAL VALUE: %s " % item.value)
|
|
#except:
|
|
# #UnicodeEncodeError:
|
|
# warn("REAL VALUE: <unprintable>")
|
|
|
|
value = item.value
|
|
type = value.type
|
|
|
|
if type.code == gdb.TYPE_CODE_REF:
|
|
type = type.target()
|
|
value = value.cast(type)
|
|
|
|
if type.code == gdb.TYPE_CODE_TYPEDEF:
|
|
type = type.target()
|
|
|
|
strippedType = self.stripNamespaceFromType(
|
|
type.strip_typedefs().unqualified()).replace("::", "__")
|
|
|
|
#warn(" STRIPPED: %s" % strippedType)
|
|
#warn(" DUMPERS: %s" % self.dumpers)
|
|
#warn(" DUMPERS: %s" % (strippedType in self.dumpers))
|
|
|
|
if isSimpleType(type.unqualified()):
|
|
#warn("IS SIMPLE: %s " % type)
|
|
self.putType(item.value.type)
|
|
self.putValue(value)
|
|
self.putNumChild(0)
|
|
|
|
elif strippedType in self.dumpers:
|
|
#warn("IS DUMPABLE: %s " % type)
|
|
self.putType(item.value.type)
|
|
self.dumpers[strippedType](self, item)
|
|
#warn(" RESULT: %s " % self.output)
|
|
|
|
elif type.code == gdb.TYPE_CODE_ENUM:
|
|
#warn("GENERIC ENUM: %s" % value)
|
|
self.putType(item.value.type)
|
|
self.putValue(value)
|
|
self.putNumChild(0)
|
|
|
|
|
|
elif type.code == gdb.TYPE_CODE_PTR:
|
|
#warn("A POINTER: %s" % value.type)
|
|
isHandled = False
|
|
|
|
if str(type.strip_typedefs()).find("(") != -1:
|
|
# A function pointer.
|
|
self.putValue(str(item.value))
|
|
self.put('addr="%s",' % cleanAddress(value.address))
|
|
self.putType(item.value.type)
|
|
self.putNumChild(0)
|
|
isHandled = True
|
|
|
|
if (not isHandled) and self.useFancy:
|
|
if isNull(value):
|
|
self.putValue("0x0")
|
|
self.putType(item.value.type)
|
|
self.putNumChild(0)
|
|
isHandled = True
|
|
|
|
target = str(type.target().strip_typedefs().unqualified())
|
|
if (not isHandled) and target == "void":
|
|
self.putType(item.value.type)
|
|
self.putValue(str(value))
|
|
self.putNumChild(0)
|
|
isHandled = True
|
|
|
|
#warn("TARGET: %s " % target)
|
|
if (not isHandled) and (target == "char"
|
|
or target == "signed char" or target == "unsigned char"):
|
|
# Display values up to given length directly
|
|
#warn("CHAR AUTODEREF: %s" % value.address)
|
|
self.putType(item.value.type)
|
|
firstNul = -1
|
|
p = value
|
|
found = False
|
|
for i in xrange(100):
|
|
if p.dereference() == 0:
|
|
# Found terminating NUL
|
|
found = True
|
|
break
|
|
p += 1
|
|
if found:
|
|
self.putValue(encodeCharArray(value, i), "6")
|
|
self.putNumChild(0)
|
|
else:
|
|
self.putValue(encodeCharArray(value, 100) + "2e2e2e", "6")
|
|
self.putNumChild(0)
|
|
isHandled = True
|
|
|
|
#warn("AUTODEREF: %s" % self.autoDerefPointers)
|
|
#warn("IS HANDLED: %s" % isHandled)
|
|
#warn("RES: %s" % (self.autoDerefPointers and not isHandled))
|
|
if (not isHandled) and (self.autoDerefPointers or name == "this"):
|
|
## Generic pointer type.
|
|
#warn("GENERIC AUTODEREF POINTER: %s" % value.address)
|
|
innerType = item.value.type.target()
|
|
self.putType(innerType)
|
|
self.childTypes.append(
|
|
stripClassTag(str(innerType)))
|
|
self.putItemHelper(
|
|
Item(item.value.dereference(), item.iname, None, None))
|
|
self.childTypes.pop()
|
|
isHandled = True
|
|
|
|
# Fall back to plain pointer printing.
|
|
if not isHandled:
|
|
#warn("GENERIC PLAIN POINTER: %s" % value.type)
|
|
self.putType(item.value.type)
|
|
self.putValue(str(value))
|
|
self.put('addr="%s",' % cleanAddress(value.address))
|
|
self.putNumChild(1)
|
|
if self.isExpanded(item):
|
|
self.beginChildren()
|
|
self.putItem(
|
|
Item(item.value.dereference(), item.iname, "*", "*"))
|
|
self.endChildren()
|
|
|
|
else:
|
|
#warn("GENERIC STRUCT: %s" % item.value.type)
|
|
#warn("INAME: %s " % item.iname)
|
|
#warn("INAMES: %s " % self.expandedINames)
|
|
#warn("EXPANDED: %s " % (item.iname in self.expandedINames))
|
|
|
|
# insufficient, see http://sourceware.org/bugzilla/show_bug.cgi?id=10953
|
|
#fields = value.type.fields()
|
|
fields = value.type.strip_typedefs().fields()
|
|
|
|
self.putType(item.value.type)
|
|
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):
|
|
if value.type.code == gdb.TYPE_CODE_ARRAY:
|
|
baseptr = value.cast(value.type.target().pointer())
|
|
charptr = gdb.lookup_type("unsigned char").pointer()
|
|
addr1 = (baseptr+1).cast(charptr)
|
|
addr0 = baseptr.cast(charptr)
|
|
self.putField("addrbase", cleanAddress(addr0))
|
|
self.putField("addrstep", addr1 - addr0)
|
|
|
|
innerType = None
|
|
if len(fields) == 1 and fields[0].name is None:
|
|
innerType = value.type.target()
|
|
self.beginChildren(1, innerType)
|
|
|
|
baseNumber = 0
|
|
anonNumber = 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 = value.type.target()
|
|
p = value.cast(innerType.pointer())
|
|
for i in xrange(value.type.sizeof / innerType.sizeof):
|
|
self.putItem(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)
|
|
if field.name == stripClassTag(str(field.type)):
|
|
# 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
|
|
self.beginHash()
|
|
self.putField("iname", child.iname)
|
|
self.safePutItemHelper(child)
|
|
self.endHash()
|
|
elif len(field.name) == 0:
|
|
# Anonymous union. We need a dummy name to distinguish
|
|
# multiple anonymous unions in the struct.
|
|
anonNumber += 1
|
|
self.listAnonymous(item, "#%d" % anonNumber, field.type)
|
|
else:
|
|
# Named field.
|
|
self.beginHash()
|
|
child = Item(value[field.name],
|
|
item.iname, field.name, field.name)
|
|
self.safePutItemHelper(child)
|
|
self.endHash()
|
|
|
|
self.endChildren()
|
|
|
|
def listAnonymous(self, item, name, type):
|
|
anonNumber = 0
|
|
for field in type.fields():
|
|
if len(field.name) > 0:
|
|
value = item.value[field.name]
|
|
child = Item(value, item.iname, field.name, field.name)
|
|
self.beginHash()
|
|
self.put('addr="%s",' % cleanAddress(value.address))
|
|
self.putItemHelper(child)
|
|
self.endHash();
|
|
else:
|
|
# Further nested.
|
|
anonNumber += 1
|
|
name = "#%d" % anonNumber
|
|
iname = "%s.%s" % (item.iname, name)
|
|
child = Item(item.value, iname, None, name)
|
|
self.beginHash()
|
|
self.putField("name", name)
|
|
self.putField("value", " ")
|
|
if str(field.type).endswith("<anonymous union>"):
|
|
self.putField("type", "<anonymous union>")
|
|
elif str(field.type).endswith("<anonymous struct>"):
|
|
self.putField("type", "<anonymous struct>")
|
|
else:
|
|
self.putField("type", field.type)
|
|
self.beginChildren(1)
|
|
self.listAnonymous(child, name, field.type)
|
|
self.endChildren()
|
|
self.endHash()
|
|
|
|
|