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import gdb
import weenix
import weenix.info
class InfoCommand(weenix.Command):
"""usage: info <infofunc> [<data>]
<infofunc> the info function to be called
<data> the first argument to <infofunc>, if unspecified NULL is used
Prints the string generated by one of the kernel's info functions."""
def __init__(self):
weenix.Command.__init__(self, "info", gdb.COMMAND_DATA, gdb.COMPLETE_SYMBOL)
def invoke(self, arg, tty):
args = gdb.string_to_argv(arg)
if len(args) < 1 or len(args) > 2:
gdb.write("{0}\n".format(self.__doc__))
raise gdb.GdbError("invalid arguments")
gdb.write(weenix.info.string(args[0], args[1] if (len(args) > 1) else None))
InfoCommand()
class DbgCommand(weenix.Command):
"""usage: dbg [<modes>]
<modes> any number of whitespace seperated debug modes
When no arguments are given prints a list of all active debug
modes. If any debug modes are listed they are added to the
current debug modes. If a listed mode is prefixed with a
'-' it is removed instead of added."""
def __init__(self):
weenix.Command.__init__(self, "dbg", gdb.COMMAND_DATA)
def _modes(self):
i = 0
l = list()
while gdb.parse_and_eval("dbg_tab[{0}]".format(i))["d_name"] != 0:
mode = gdb.parse_and_eval("dbg_tab[{0}]".format(i))
i += 1
l.append(mode["d_name"].string())
return l
def invoke(self, arg, tty):
if len(arg.strip()) == 0:
info = weenix.info.string("dbg_modes_info")
if len(info) == 0:
gdb.write("No active modes.\n")
else:
gdb.write("{0}\n".format(weenix.info.string("dbg_modes_info")))
else:
modes = self._modes()
for mode in arg.split():
name = mode[1:] if (mode.startswith("-")) else mode
if not name in modes:
gdb.write(
'warning: skipping non-existant mode "{0}"\n'.format(name)
)
else:
weenix.eval_func("dbg_add_mode", '"{0}"'.format(mode))
def complete(self, line, word):
l = self._modes()
l = filter(lambda x: x.startswith(word), l)
for used in line.split():
if used.startswith("-"):
used = used[1:]
l = filter(lambda x: x != used, l)
l.sort()
return l
DbgCommand()
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