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"""Test the SBDModule APIs."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
import os, signal, subprocess
class SBModuleAPICase(TestBase):
def setUp(self):
TestBase.setUp(self)
self.background_pid = None
def tearDown(self):
TestBase.tearDown(self)
if self.background_pid:
os.kill(self.background_pid, signal.SIGKILL)
@skipIfRemote
def test_GetObjectName(self):
"""Test the SBModule::GetObjectName() method"""
self.build()
exe = self.getBuildArtifact("a.out")
libfoo_path = self.getBuildArtifact("libfoo.a")
target_exe = self.dbg.CreateTarget(exe)
self.assertTrue(target_exe.IsValid(), "Target for a.out is valid")
# Test that the executable module has no object name (usually the first module in the target)
exe_module = target_exe.GetModuleAtIndex(0)
self.assertTrue(exe_module.IsValid(), "Executable module is valid")
self.assertIsNone(
exe_module.GetObjectName(), "a.out should have no object name"
)
# check archive member names
module_specs = lldb.SBModuleSpecList.GetModuleSpecifications(libfoo_path)
self.assertGreater(
module_specs.GetSize(), 0, "Archive should have at least one module spec"
)
found = set()
expected = {"a.o", "b.o"}
for i in range(module_specs.GetSize()):
spec = module_specs.GetSpecAtIndex(i)
obj_name = spec.GetObjectName()
self.assertIsInstance(obj_name, str)
self.assertIn(obj_name, expected, f"Unexpected object name: {obj_name}")
# create a module from the arhive using the sepc
module = lldb.SBModule(spec)
self.assertTrue(module.IsValid(), "Module is valid")
self.assertTrue(module.IsValid(), f"Module for {obj_name} is valid")
self.assertEqual(
module.GetObjectName(), obj_name, f"Object name for {obj_name} matches"
)
found.add(obj_name)
self.assertEqual(found, expected, "Did not find all expected archive members")
@skipUnlessDarwin
@skipIfRemote
def test_module_is_file_backed(self):
"""Test the SBModule::IsFileBacked() method"""
self.build()
target, _, _, _ = lldbutil.run_to_source_breakpoint(
self, "// break here", lldb.SBFileSpec("main.c")
)
self.assertGreater(target.GetNumModules(), 0)
main_module = target.GetModuleAtIndex(0)
self.assertEqual(main_module.GetFileSpec().GetFilename(), "a.out")
self.assertTrue(
main_module.IsFileBacked(), "The module should be backed by a file on disk"
)
self.dbg.DeleteTarget(target)
self.assertEqual(self.dbg.GetNumTargets(), 0)
exe = self.getBuildArtifact("a.out")
background_process = subprocess.Popen([exe])
self.assertTrue(background_process, "process is not valid")
self.background_pid = background_process.pid
os.unlink(exe)
target = self.dbg.CreateTarget("")
self.assertEqual(self.dbg.GetNumTargets(), 1)
error = lldb.SBError()
process = target.AttachToProcessWithID(
self.dbg.GetListener(), self.background_pid, error
)
self.assertTrue(error.Success() and process, PROCESS_IS_VALID)
main_module = target.FindModule(lldb.SBFileSpec("a.out"))
self.assertIsNotNone(main_module)
self.assertFalse(
main_module.IsFileBacked(),
"The module should not be backed by a file on disk.",
)
error = process.Destroy()
self.assertSuccess(
error, "couldn't destroy process %s" % background_process.pid
)
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