diff options
Diffstat (limited to 'Release/share/glib-2.0/gdb/gobject_gdb.py')
| -rw-r--r-- | Release/share/glib-2.0/gdb/gobject_gdb.py | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/Release/share/glib-2.0/gdb/gobject_gdb.py b/Release/share/glib-2.0/gdb/gobject_gdb.py deleted file mode 100644 index 8c30220..0000000 --- a/Release/share/glib-2.0/gdb/gobject_gdb.py +++ /dev/null @@ -1,295 +0,0 @@ -import os.path -import gdb -import glib_gdb -import sys - -if sys.version_info[0] >= 3: - long = int -else: - import itertools - map = itertools.imap - -# FrameDecorator is new in gdb 7.7, so we adapt to its absence. -try: - import gdb.FrameDecorator - HAVE_GDB_FRAMEDECORATOR = True - FrameDecorator = gdb.FrameDecorator.FrameDecorator -except ImportError: - HAVE_GDB_FRAMEDECORATOR = False - -# This is not quite right, as local vars may override symname -def read_global_var (symname): - return gdb.selected_frame().read_var(symname) - -def g_type_to_name (gtype): - def lookup_fundamental_type (typenode): - if typenode == 0: - return None - val = read_global_var ("static_fundamental_type_nodes") - if val == None: - return None - return val[typenode >> 2].address() - - gtype = long(gtype) - typenode = gtype - gtype % 4 - if typenode > (255 << 2): - typenode = gdb.Value(typenode).cast (gdb.lookup_type("TypeNode").pointer()) - else: - typenode = lookup_fundamental_type (typenode) - if typenode != None: - return glib_gdb.g_quark_to_string (typenode["qname"]) - return None - -def is_g_type_instance (val): - def is_g_type_instance_helper (type): - if str(type) == "GTypeInstance": - return True - - while type.code == gdb.TYPE_CODE_TYPEDEF: - type = type.target() - - if type.code != gdb.TYPE_CODE_STRUCT: - return False - - fields = type.fields() - if len (fields) < 1: - return False - - first_field = fields[0] - return is_g_type_instance_helper(first_field.type) - - type = val.type - if type.code != gdb.TYPE_CODE_PTR: - return False - type = type.target() - return is_g_type_instance_helper (type) - -def g_type_name_from_instance (instance): - if long(instance) != 0: - try: - inst = instance.cast (gdb.lookup_type("GTypeInstance").pointer()) - klass = inst["g_class"] - gtype = klass["g_type"] - name = g_type_to_name (gtype) - return name - except RuntimeError: - pass - return None - -class GTypePrettyPrinter: - "Prints a GType instance pointer" - - def __init__ (self, val): - self.val = val - - def to_string (self): - name = g_type_name_from_instance (self.val) - if name: - return ("0x%x [%s]")% (long(self.val), name) - return ("0x%x") % (long(self.val)) - -def pretty_printer_lookup (val): - if is_g_type_instance (val): - return GTypePrettyPrinter (val) - - return None - -def get_signal_name (id): - if id == None: - return None - id = long(id) - if id == 0: - return None - val = read_global_var ("g_signal_nodes") - max_s = read_global_var ("g_n_signal_nodes") - max_s = long(max_s) - if id < max_s: - return val[id]["name"].string() - return None - -def frame_name(frame): - return str(frame.function()) - -def frame_var(frame, var): - return frame.inferior_frame().read_var(var) - - -class SignalFrame(FrameDecorator): - def __init__ (self, frames): - FrameDecorator.__init__(self, frames[-1]) - self.frame = frames[-1] - self.frames = frames - - def name (self): - return "signal-emission" - - def read_var (self, frame, name, array = None): - try: - v = frame_var (frame, name) - if v == None or v.is_optimized_out: - return None - if array != None: - array.append (v) - return v - except ValueError: - return None - - def read_object (self, frame, name, array = None): - try: - v = frame_var (frame, name) - if v == None or v.is_optimized_out: - return None - v = v.cast (gdb.lookup_type("GObject").pointer()) - # Ensure this is a somewhat correct object pointer - if v != None and g_type_name_from_instance (v): - if array != None: - array.append (v) - return v - return None - except ValueError: - return None - - def append (self, array, obj): - if obj != None: - array.append (obj) - - def or_join_array (self, array): - if len(array) == 0: - return "???" - else: - return ' or '.join(set(map(str, array))) - - def get_detailed_signal_from_frame(self, frame, signal): - detail = self.read_var (frame, "detail") - detail = glib_gdb.g_quark_to_string (detail) - if detail is not None: - return signal + ":" + detail - else: - return detail - - def function (self): - instances = [] - signals = [] - - for frame in self.frames: - name = frame_name(frame) - if name == "signal_emit_unlocked_R": - self.read_object (frame, "instance", instances) - node = self.read_var (frame, "node") - if node: - signal = node["name"].string() - signal = self.get_detailed_signal_from_frame(frame, signal) - self.append(signals, signal) - - if name == "g_signal_emitv": - instance_and_params = self.read_var (frame, "instance_and_params") - if instance_and_params: - instance = instance_and_params[0]["v_pointer"].cast (gdb.Type("GObject").pointer()) - self.append (instances, instance) - id = self.read_var (frame, "signal_id") - signal = get_signal_name (id) - if signal: - signal = self.get_detailed_signal_from_frame(frame, signal) - self.append (signals, signal) - - if name == "g_signal_emit_valist" or name == "g_signal_emit": - self.read_object (frame, "instance", instances) - id = self.read_var (frame, "signal_id") - signal = get_signal_name (id) - if signal: - signal = self.get_detailed_signal_from_frame(frame, signal) - self.append (signals, signal) - - if name == "g_signal_emit_by_name": - self.read_object (frame, "instance", instances) - self.read_var (frame, "detailed_signal", signals) - break - - instance = self.or_join_array (instances) - signal = self.or_join_array (signals) - - return "<emit signal %s on instance %s>" % (signal, instance) - - def elided (self): - return self.frames[0:-1] - - def describe (self, stream, full): - stream.write (" " + self.function () + "\n") - -class GFrameDecorator: - def __init__ (self, iter): - self.queue = [] - self.iter = iter - - def __iter__ (self): - return self - - def fill (self): - while len(self.queue) <= 8: - try: - f = next(self.iter) - self.queue.append (f) - except StopIteration: - return - - def find_signal_emission (self): - for i in range (min (len(self.queue), 3)): - if frame_name(self.queue[i]) == "signal_emit_unlocked_R": - return i - return -1 - - def next (self): - # Ensure we have enough frames for a full signal emission - self.fill() - - # Are we at the end? - if len(self.queue) == 0: - raise StopIteration - - emission = self.find_signal_emission () - if emission > 0: - start = emission - while True: - if start == 0: - break - prev_name = frame_name(self.queue[start-1]) - if prev_name.find("_marshal_") >= 0 or prev_name == "g_closure_invoke": - start = start - 1 - else: - break - end = emission + 1 - while end < len(self.queue): - if frame_name(self.queue[end]) in ["g_signal_emitv", - "g_signal_emit_valist", - "g_signal_emit", - "g_signal_emit_by_name", - "_g_closure_invoke_va"]: - end = end + 1 - else: - break - - signal_frames = self.queue[start:end] - new_frames = [SignalFrame(signal_frames)] - self.queue[start:end] = new_frames - - return self.queue.pop(0) - - def __next__ (self): - return self.next() - -class GFrameFilter(object): - name = 'glib' - enabled = True - priority = 100 - - def filter(self, iterator): - return GFrameDecorator(iterator) - -def register (obj): - if obj == None: - obj = gdb - - if HAVE_GDB_FRAMEDECORATOR: - filter = GFrameFilter() - obj.frame_filters[filter.name] = filter - obj.pretty_printers.append(pretty_printer_lookup) |