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import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
@skipIfRemote
def test_load_after_attach(self):
self.build()
sync_file_path = lldbutil.append_to_process_working_directory(
self, "process_ready"
)
ctx = self.platformContext
lib_name = ctx.shlib_prefix + "lib_b." + ctx.shlib_extension
exe = self.getBuildArtifact("a.out")
lib = self.getBuildArtifact(lib_name)
target = self.dbg.CreateTarget(exe)
environment = self.registerSharedLibrariesWithTarget(target, ["lib_b"])
# Spawn a new process.
# use realpath to workaround llvm.org/pr48376
# Pass path to solib for dlopen to properly locate the library.
popen = self.spawnSubprocess(
os.path.realpath(exe), [sync_file_path], extra_env=environment
)
lldbutil.wait_for_file_on_target(self, sync_file_path)
# Attach to the spawned process.
error = lldb.SBError()
process = target.AttachToProcessWithID(self.dbg.GetListener(), popen.pid, error)
self.assertSuccess(error)
# Continue until first breakpoint.
breakpoint1 = self.target().BreakpointCreateBySourceRegex(
"// break here", lldb.SBFileSpec("main.cpp")
)
self.assertEqual(breakpoint1.GetNumResolvedLocations(), 1)
stopped_threads = lldbutil.continue_to_breakpoint(self.process(), breakpoint1)
self.assertEqual(len(stopped_threads), 1)
# Change a variable to escape the loop
self.runCmd("expression main_thread_continue = 1")
# Continue so that dlopen is called.
breakpoint2 = self.target().BreakpointCreateBySourceRegex(
"// break after dlopen", lldb.SBFileSpec("main.cpp")
)
self.assertEqual(breakpoint2.GetNumResolvedLocations(), 1)
stopped_threads = lldbutil.continue_to_breakpoint(self.process(), breakpoint2)
self.assertEqual(len(stopped_threads), 1)
# Check that image list contains liblib_b after dlopen.
self.match(
"image list",
patterns=[lib_name],
matching=True,
msg=lib_name + " missing in image list",
)
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