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"""
Test process attach.
"""
import os
import lldb
import shutil
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
exe_name = "ProcessAttach" # Must match Makefile
class ProcessAttachTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break for main.c.
self.line = line_number('main.cpp',
'// Waiting to be attached...')
@skipIfiOSSimulator
def test_attach_to_process_by_id(self):
"""Test attach by process id"""
self.build()
exe = self.getBuildArtifact(exe_name)
# Spawn a new process
popen = self.spawnSubprocess(exe)
self.runCmd("process attach -p " + str(popen.pid))
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
self.assertTrue(process, PROCESS_IS_VALID)
@skipIfReproducer # FIXME: Unexpected packet during (active) replay
@skipIfWindows # This is flakey on Windows AND when it fails, it hangs: llvm.org/pr48806
def test_attach_to_process_from_different_dir_by_id(self):
"""Test attach by process id"""
newdir = self.getBuildArtifact("newdir")
try:
os.mkdir(newdir)
except OSError as e:
if e.errno != os.errno.EEXIST:
raise
testdir = self.getBuildDir()
exe = os.path.join(newdir, 'proc_attach')
self.buildProgram('main.cpp', exe)
self.addTearDownHook(lambda: shutil.rmtree(newdir))
# Spawn a new process
popen = self.spawnSubprocess(exe)
os.chdir(newdir)
self.addTearDownHook(lambda: os.chdir(testdir))
self.runCmd("process attach -p " + str(popen.pid))
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
self.assertTrue(process, PROCESS_IS_VALID)
def test_attach_to_process_by_name(self):
"""Test attach by process name"""
self.build()
exe = self.getBuildArtifact(exe_name)
# Spawn a new process
popen = self.spawnSubprocess(exe)
self.runCmd("process attach -n " + exe_name)
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
self.assertTrue(process, PROCESS_IS_VALID)
@expectedFailureNetBSD
def test_attach_to_process_by_id_correct_executable_offset(self):
"""
Test that after attaching to a process the executable offset
is determined correctly on FreeBSD. This is a regression test
for dyld plugin getting the correct executable path,
and therefore being able to identify it in the module list.
"""
self.build()
exe = self.getBuildArtifact(exe_name)
# In order to reproduce, we must spawn using a relative path
popen = self.spawnSubprocess(os.path.relpath(exe))
self.runCmd("process attach -p " + str(popen.pid))
# Make suer we did not attach to early
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=1, loc_exact=False)
self.runCmd("process continue")
self.expect("p g_val", substrs=["$0 = 12345"])
def tearDown(self):
# Destroy process before TestBase.tearDown()
self.dbg.GetSelectedTarget().GetProcess().Destroy()
# Call super's tearDown().
TestBase.tearDown(self)
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