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"""
Test some lldb command abbreviations.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ExecTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(archs=['i386'], bugnumber="rdar://28656532")
@expectedFailureAll(oslist=["ios", "tvos", "watchos", "bridgeos"], bugnumber="rdar://problem/34559552") # this exec test has problems on ios systems
@expectedFailureNetBSD
@skipIfAsan # rdar://problem/43756823
@skipIfWindows
def test_hitting_exec (self):
self.do_test(False)
@expectedFailureAll(archs=['i386'], bugnumber="rdar://28656532")
@expectedFailureAll(oslist=["ios", "tvos", "watchos", "bridgeos"], bugnumber="rdar://problem/34559552") # this exec test has problems on ios systems
@expectedFailureNetBSD
@skipIfAsan # rdar://problem/43756823
@skipIfWindows
def test_skipping_exec (self):
self.do_test(True)
def do_test(self, skip_exec):
self.build()
exe = self.getBuildArtifact("a.out")
secondprog = self.getBuildArtifact("secondprog")
# Create the target
target = self.dbg.CreateTarget(exe)
# Create any breakpoints we need
breakpoint1 = target.BreakpointCreateBySourceRegex(
'Set breakpoint 1 here', lldb.SBFileSpec("main.cpp", False))
self.assertTrue(breakpoint1, VALID_BREAKPOINT)
breakpoint2 = target.BreakpointCreateBySourceRegex(
'Set breakpoint 2 here', lldb.SBFileSpec("secondprog.cpp", False))
self.assertTrue(breakpoint2, VALID_BREAKPOINT)
# Launch the process
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
if self.TraceOn():
self.runCmd("settings show target.process.stop-on-exec", check=False)
if skip_exec:
self.dbg.HandleCommand("settings set target.process.stop-on-exec false")
def cleanup():
self.runCmd("settings set target.process.stop-on-exec false",
check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
# The stop reason of the thread should be breakpoint.
self.assertTrue(process.GetState() == lldb.eStateStopped,
STOPPED_DUE_TO_BREAKPOINT)
threads = lldbutil.get_threads_stopped_at_breakpoint(
process, breakpoint1)
self.assertTrue(len(threads) == 1)
# We had a deadlock tearing down the TypeSystemMap on exec, but only if some
# expression had been evaluated. So make sure we do that here so the teardown
# is not trivial.
thread = threads[0]
value = thread.frames[0].EvaluateExpression("1 + 2")
self.assertTrue(
value.IsValid(),
"Expression evaluated successfully")
int_value = value.GetValueAsSigned()
self.assertTrue(int_value == 3, "Expression got the right result.")
# Run and we should stop due to exec
process.Continue()
if not skip_exec:
self.assertFalse(process.GetState() == lldb.eStateExited,
"Process should not have exited!")
self.assertTrue(process.GetState() == lldb.eStateStopped,
"Process should be stopped at __dyld_start")
threads = lldbutil.get_stopped_threads(
process, lldb.eStopReasonExec)
self.assertTrue(
len(threads) == 1,
"We got a thread stopped for exec.")
# Run and we should stop at breakpoint in main after exec
process.Continue()
threads = lldbutil.get_threads_stopped_at_breakpoint(
process, breakpoint2)
if self.TraceOn():
for t in process.threads:
print(t)
if t.GetStopReason() != lldb.eStopReasonBreakpoint:
self.runCmd("bt")
self.assertTrue(len(threads) == 1,
"Stopped at breakpoint in exec'ed process.")
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