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"""Test Python APIs for target (launch and attach), breakpoint, and process."""
import os
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class HelloWorldTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find a couple of the line numbers within main.c.
self.line1 = line_number("main.c", "// Set break point at this line.")
self.line2 = line_number("main.c", "// Waiting to be attached...")
def tearDown(self):
# Destroy process before TestBase.tearDown()
self.dbg.GetSelectedTarget().GetProcess().Destroy()
# Call super's tearDown().
TestBase.tearDown(self)
@skipIfiOSSimulator
def test_with_process_launch_api(self):
"""Create target, breakpoint, launch a process, and then kill it."""
# Get the full path to our executable to be attached/debugged.
exe = "%s_%d" % (self.getBuildArtifact(self.testMethodName), os.getpid())
d = {"EXE": exe}
self.build(dictionary=d)
self.setTearDownCleanup(dictionary=d)
target = self.dbg.CreateTarget(exe)
breakpoint = target.BreakpointCreateByLocation("main.c", self.line1)
# The default state after breakpoint creation should be enabled.
self.assertTrue(
breakpoint.IsEnabled(), "Breakpoint should be enabled after creation"
)
breakpoint.SetEnabled(False)
self.assertTrue(
not breakpoint.IsEnabled(), "Breakpoint.SetEnabled(False) works"
)
breakpoint.SetEnabled(True)
self.assertTrue(breakpoint.IsEnabled(), "Breakpoint.SetEnabled(True) works")
# rdar://problem/8364687
# SBTarget.Launch() issue (or is there some race condition)?
process = target.LaunchSimple(None, None, self.get_process_working_directory())
# The following isn't needed anymore, rdar://8364687 is fixed.
#
# Apply some dances after LaunchProcess() in order to break at "main".
# It only works sometimes.
# self.breakAfterLaunch(process, "main")
process = target.GetProcess()
self.assertTrue(process, PROCESS_IS_VALID)
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertIsNotNone(thread)
# The breakpoint should have a hit count of 1.
self.assertEqual(breakpoint.GetHitCount(), 1, BREAKPOINT_HIT_ONCE)
@skipIfiOSSimulator
def test_with_attach_to_process_with_id_api(self):
"""Create target, spawn a process, and attach to it with process id."""
exe = "%s_%d" % (self.testMethodName, os.getpid())
d = {"EXE": exe}
self.build(dictionary=d)
self.setTearDownCleanup(dictionary=d)
target = self.dbg.CreateTarget(self.getBuildArtifact(exe))
# Spawn a new process
token = exe + ".token"
if not lldb.remote_platform:
token = self.getBuildArtifact(token)
if os.path.exists(token):
os.remove(token)
popen = self.spawnSubprocess(self.getBuildArtifact(exe), [token])
lldbutil.wait_for_file_on_target(self, token)
listener = lldb.SBListener("my.attach.listener")
error = lldb.SBError()
process = target.AttachToProcessWithID(listener, popen.pid, error)
self.assertTrue(error.Success() and process, PROCESS_IS_VALID)
# Let's check the stack traces of the attached process.
stacktraces = lldbutil.print_stacktraces(process, string_buffer=True)
self.expect(
stacktraces, exe=False, substrs=["main.c:%d" % self.line2, "(int)argc=2"]
)
@skipIfiOSSimulator
@skipIfAsan # FIXME: Hangs indefinitely.
def test_with_attach_to_process_with_name_api(self):
"""Create target, spawn a process, and attach to it with process name."""
exe = "%s_%d" % (self.testMethodName, os.getpid())
d = {"EXE": exe}
self.build(dictionary=d)
self.setTearDownCleanup(dictionary=d)
target = self.dbg.CreateTarget(self.getBuildArtifact(exe))
# Spawn a new process.
token = exe + ".token"
if not lldb.remote_platform:
token = self.getBuildArtifact(token)
if os.path.exists(token):
os.remove(token)
popen = self.spawnSubprocess(self.getBuildArtifact(exe), [token])
lldbutil.wait_for_file_on_target(self, token)
listener = lldb.SBListener("my.attach.listener")
error = lldb.SBError()
# Pass 'False' since we don't want to wait for new instance of
# "hello_world" to be launched.
name = os.path.basename(exe)
# While we're at it, make sure that passing a None as the process name
# does not hang LLDB.
target.AttachToProcessWithName(listener, None, False, error)
# Also boundary condition test ConnectRemote(), too.
target.ConnectRemote(listener, None, None, error)
process = target.AttachToProcessWithName(listener, name, False, error)
self.assertSuccess(error)
self.assertTrue(process, PROCESS_IS_VALID)
# Verify that after attach, our selected target indeed matches name.
self.expect(
self.dbg.GetSelectedTarget().GetExecutable().GetFilename(),
exe=False,
startstr=name,
)
# Let's check the stack traces of the attached process.
stacktraces = lldbutil.print_stacktraces(process, string_buffer=True)
self.expect(
stacktraces, exe=False, substrs=["main.c:%d" % self.line2, "(int)argc=2"]
)
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