142 lines
5.3 KiB
Python
142 lines
5.3 KiB
Python
import lldb
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.gdbclientutils import *
|
|
from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
|
|
|
|
|
|
class TestRecognizeBreakpoint(GDBRemoteTestBase):
|
|
|
|
""" This tests the case where the gdb-remote server doesn't support any
|
|
of the thread-info packets, and just tells which thread got the stop
|
|
signal with:
|
|
T05thread:01;
|
|
There was a bug in lldb that we would set the stop reason from this
|
|
packet too early - before we had updated the thread list. So when we
|
|
later updated the thread list, we would throw away this info. Normally
|
|
we would be able to reconstruct it from the thread info, but not if the
|
|
stub doesn't support it """
|
|
|
|
@skipIfXmlSupportMissing
|
|
def test(self):
|
|
class MyResponder(MockGDBServerResponder):
|
|
def __init__(self):
|
|
MockGDBServerResponder.__init__(self)
|
|
self.thread_info_count = 0
|
|
self.after_cont = False
|
|
self.current_thread = 0
|
|
|
|
def cont(self):
|
|
# Simulate process stopping due to a breakpoint:
|
|
self.after_cont = True
|
|
return "T05thread:01;"
|
|
|
|
def vCont(self, packet):
|
|
self.after_cont = True
|
|
return "T05thread:01;"
|
|
|
|
def haltReason(self):
|
|
return "T02thread:01;"
|
|
|
|
def threadStopInfo(self, num):
|
|
return ""
|
|
|
|
def QThreadSuffixSupported(self):
|
|
return ""
|
|
|
|
def QListThreadsInStopReply(self):
|
|
return ""
|
|
|
|
def setBreakpoint(self, packet):
|
|
return "OK"
|
|
|
|
def qfThreadInfo(self):
|
|
return "m1"
|
|
|
|
def qsThreadInfo(self):
|
|
if (self.thread_info_count % 2) == 0:
|
|
str = "m2"
|
|
else:
|
|
str = "l"
|
|
self.thread_info_count += 1
|
|
return str
|
|
|
|
def readRegisters(self):
|
|
if self.after_cont and self.current_thread == 1:
|
|
return "c01e990080ffffff"
|
|
else:
|
|
return "badcfe10325476980"
|
|
|
|
def readRegister(self, regno):
|
|
return ""
|
|
|
|
def qXferRead(self, obj, annex, offset, length):
|
|
if annex == "target.xml":
|
|
return """<?xml version="1.0"?>
|
|
<target version="1.0">
|
|
<architecture>i386:x86-64</architecture>
|
|
<feature name="org.gnu.gdb.i386.core">
|
|
<reg name="rip" bitsize="64" regnum="0" type="code_ptr" group="general"/>
|
|
</feature>
|
|
</target>""", False
|
|
else:
|
|
return None, False
|
|
|
|
def selectThread(self, op, thread):
|
|
if op != 'g':
|
|
return ''
|
|
|
|
self.current_thread = thread
|
|
return "OK"
|
|
|
|
def other (self, packet):
|
|
if packet == "vCont?":
|
|
return "vCont;c;C;s;S"
|
|
return ''
|
|
|
|
python_os_plugin_path = os.path.join(self.getSourceDir(),
|
|
'operating_system_2.py')
|
|
command ="settings set target.process.python-os-plugin-path '{}'".format(
|
|
python_os_plugin_path)
|
|
self.runCmd(command)
|
|
|
|
self.server.responder = MyResponder()
|
|
target = self.dbg.CreateTarget("")
|
|
process = self.connect(target)
|
|
|
|
bkpt = target.BreakpointCreateByAddress(0xffffff8000991ec0)
|
|
self.assertEqual(bkpt.GetNumLocations(), 1, "Fake breakpoint was resolved.")
|
|
|
|
# Get the initial stop, and we should have two threads.
|
|
num_threads = len(process.threads)
|
|
self.assertEqual(num_threads, 2, "Got two threads")
|
|
|
|
thread_0 = process.threads[0]
|
|
self.assertEqual(thread_0.GetStopReason(), 1, "Thread_0 stopped for no reason")
|
|
self.assertEqual(thread_0.GetName(), "one", "Thread_0 is called one")
|
|
|
|
thread_1 = process.threads[1]
|
|
self.assertEqual(thread_1.GetStopReason(), 5, "Thread_0 stopped for SIGSTOP")
|
|
self.assertEqual(thread_1.GetName(), "two", "Thread_0 is called two")
|
|
|
|
# Now continue and we will fake hitting a breakpoint.
|
|
process.Continue()
|
|
|
|
self.assertState(process.GetState(),lldb.eStateStopped, "Process is stopped")
|
|
num_threads = len(process.threads)
|
|
|
|
num_threads = len(process.threads)
|
|
self.assertEqual(num_threads, 2, "Got two threads")
|
|
|
|
thread_0 = process.threads[0]
|
|
self.assertEqual(thread_0.GetStopReason(), 1, "Thread_0 stopped for no reason")
|
|
self.assertEqual(thread_0.GetName(), "one", "Thread_0 is called one")
|
|
|
|
thread_1 = process.threads[1]
|
|
self.assertEqual(thread_1.GetStopReason(), 3, "Thread_0 stopped for SIGTRAP")
|
|
self.assertEqual(thread_1.GetName(), "three", "Thread_0 is called three")
|
|
|
|
self.assertTrue(thread_1.IsValid(), "Thread_1 is valid")
|
|
self.assertStopReason(thread_1.GetStopReason(), lldb.eStopReasonBreakpoint, "Stopped at breakpoint")
|
|
|