def gdb_parse_and_eval(exp):
"""Evaluate an expression and return the gdb.Value or None which
correspond to the result of the evaluation."""
# Work around non-existing gdb.parse_and_eval as in released 7.0
overwrite = gdb.parameter("logging overwrite")
redirect = gdb.parameter("logging redirect")
file = gdb.parameter("logging file")
# Unfortunately there is no mean to check if the logging is enabled or
# not. TODO: So we look for the modification date of the logging file
# to check if it is enabled.
logging = False
def restore():
gdb.execute("set logging off")
gdb.execute("set logging redirect off")
gdb.execute("set logging overwrite off")
gdb.execute("set logging file " + file)
gdb.execute("set logging redirect " + ("on" if redirect else "off"))
gdb.execute("set logging logging " + ("on" if logging else "off"))
# re-enable it after the start of the logging.
gdb.execute("set logging overwrite " + ("on" if overwrite else "off"))
gdb.execute("set logging off")
gdb.execute("set logging file .gdb.python.tmp")
gdb.execute("set logging overwrite on")
gdb.execute("set logging redirect on")
gdb.execute("set logging on")
try:
gdb.execute("print %s" % exp)
except:
restore()
return None
restore()
return gdb.history(0)
def invoke(self, arg, from_tty):
args = arg.split(" ")
if len(args) is not 2:
raise gdb.GdbError(
"Expects 2 arguments. See \"help forward-geometry\"")
command = "call hpp::model::forwardGeometry({0},{1})".format(
args[0], args[1])
print "Calling ", command
gdb.execute(command, from_tty, True)
val = gdb.history(0)
start = val['_M_impl']['_M_start']
finish = val['_M_impl']['_M_finish']
end = val['_M_impl']['_M_end_of_storage']
length = int(finish - start)
print "%s links" % length
cl = Client()
item = start
while item != finish:
current = item.dereference()
name = str(current["name"]["_M_dataplus"]["_M_p"].string())
pos = [0, 0, 0, 0, 0, 0, 0]
for i in range(3):
pos[i] = float(current["p"][i])
for i in range(4):
pos[i + 3] = float(current["q"][i])
cl.gui.applyConfiguration(name, pos)
item = item + 1
cl.gui.refresh()
print "done"
def gdb_parse_and_eval(exp):
"""Evaluate an expression and return the gdb.Value or None which
correspond to the result of the evaluation."""
# Work around non-existing gdb.parse_and_eval as in released 7.0
overwrite = gdb.parameter("logging overwrite")
redirect = gdb.parameter("logging redirect")
file = gdb.parameter("logging file")
# Unfortunately there is no mean to check if the logging is enabled or
# not. TODO: So we look for the modification date of the logging file
# to check if it is enabled.
logging = False
def restore():
gdb.execute("set logging off")
gdb.execute("set logging redirect off")
gdb.execute("set logging overwrite off")
gdb.execute("set logging file " + file)
gdb.execute("set logging redirect " + ("on" if redirect else "off"))
gdb.execute("set logging logging " + ("on" if logging else "off"))
# re-enable it after the start of the logging.
gdb.execute("set logging overwrite " + ("on" if overwrite else "off"))
gdb.execute("set logging off")
gdb.execute("set logging file .gdb.python.tmp")
gdb.execute("set logging overwrite on")
gdb.execute("set logging redirect on")
gdb.execute("set logging on")
try:
gdb.execute("print %s" % exp)
except:
restore()
return None
restore()
return gdb.history(0)
def invoke (self, arg, from_tty):
args = arg.split (" ")
if len(args) is not 2:
raise gdb.GdbError ("Expects 2 arguments. See \"help forward-geometry\"")
command = "call hpp::model::forwardGeometry({0},{1})".format (args[0], args[1])
print "Calling ", command
gdb.execute (command, from_tty, True)
val = gdb.history (0)
start = val['_M_impl']['_M_start']
finish = val['_M_impl']['_M_finish']
end = val['_M_impl']['_M_end_of_storage']
length = int (finish - start)
print "%s links" % length
cl = Client ()
item = start
while item != finish:
current = item.dereference ()
name = str(current["name"]["_M_dataplus"]["_M_p"].string())
pos = [0,0,0,0,0,0,0]
for i in range(3):
pos[i] = float(current["p"][i])
for i in range(4):
pos[i+3] = float(current["q"][i])
cl.gui.applyConfiguration (name, pos)
item = item + 1
cl.gui.refresh ()
print "done"
def getArg(number):
"returns string for argument number"
string= str(gdb.history(number))
# TODO: does not work for userCommand with ''
m = re.match('^[\'\"](.*)[\'\"]$', string)
assert m is not None, 'Expected command line argument for gdb'
return m.group(1)
def parse_and_eval(exp):
if gdb.VERSION.startswith("6.8.50.2009"):
return gdb.parse_and_eval(exp)
# Work around non-existing gdb.parse_and_eval as in released 7.0
gdb.execute("set logging redirect on")
gdb.execute("set logging on")
gdb.execute("print %s" % exp)
gdb.execute("set logging off")
return gdb.history(0)
def parse_and_eval(exp):
if gdb.VERSION.startswith("6.8.50.2009"):
return gdb.parse_and_eval(exp)
# Work around non-existing gdb.parse_and_eval as in released 7.0
gdb.execute("set logging redirect on")
gdb.execute("set logging on")
gdb.execute("print %s" % exp)
gdb.execute("set logging off")
return gdb.history(0)
def parseAndEvaluate(exp):
if isGoodGdb():
return gdb.parse_and_eval(exp)
# Work around non-existing gdb.parse_and_eval as in released 7.0
gdb.execute("set logging redirect on")
gdb.execute("set logging on")
try:
gdb.execute("print %s" % exp)
except:
gdb.execute("set logging off")
gdb.execute("set logging redirect off")
return None
gdb.execute("set logging off")
gdb.execute("set logging redirect off")
return gdb.history(0)
def parseAndEvaluate(exp):
if isGoodGdb():
return gdb.parse_and_eval(exp)
# Work around non-existing gdb.parse_and_eval as in released 7.0
gdb.execute("set logging redirect on")
gdb.execute("set logging on")
try:
gdb.execute("print %s" % exp)
except:
gdb.execute("set logging off")
gdb.execute("set logging redirect off")
return None
gdb.execute("set logging off")
gdb.execute("set logging redirect off")
return gdb.history(0)
def read_variable(self, name):
gdb.execute("p " + name, to_string=True)
return gdb.history(0)
def read_variable(self, name):
gdb.execute("p " + name, to_string=True)
return gdb.history(0)
dump_core('outfile.core')
def exit_gdb():
gdb.execute('set confirm off')
gdb.execute('quit')
def main():
parser = ArgumentParser(description='Play around with the GDB library')
parser.add_argument('binary', help='Command to run')
parser.add_argument('args', help='Arguments to pass to command', nargs='*')
args = parser.parse_args()
print('Run {} with args={}'.format(args.binary, args.args))
run_with_gdb(args.binary, args.args)
print('Ran example, now quitting')
exit_gdb()
if __name__ == '__main__':
gdb.execute('print $args')
args = gdb.history(0).string().split(' ')
import sys
sys.argv += args
main()
else:
print(__name__)