1""" 2Test process attach when executable was deleted. 3""" 4 5 6 7import os 8import lldb 9from lldbsuite.test.decorators import * 10from lldbsuite.test.lldbtest import * 11from lldbsuite.test import lldbutil 12 13class TestDeletedExecutable(TestBase): 14 15 mydir = TestBase.compute_mydir(__file__) 16 NO_DEBUG_INFO_TESTCASE = True 17 18 @skipIfWindows # cannot delete a running executable 19 @expectedFailureAll(oslist=["linux"], 20 triple=no_match('aarch64-.*-android')) 21 # determining the architecture of the process fails 22 @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr48374") 23 @skipIfReproducer # File synchronization is not supported during replay. 24 def test(self): 25 self.build() 26 exe = self.getBuildArtifact("a.out") 27 28 # Use a file as a synchronization point between test and inferior. 29 pid_file_path = lldbutil.append_to_process_working_directory(self, 30 "token_pid_%d" % (int(os.getpid()))) 31 self.addTearDownHook( 32 lambda: self.run_platform_command( 33 "rm %s" % 34 (pid_file_path))) 35 36 # Spawn a new process 37 popen = self.spawnSubprocess(exe, [pid_file_path]) 38 39 # Wait until process has fully started up. 40 pid = lldbutil.wait_for_file_on_target(self, pid_file_path) 41 42 # Now we can safely remove the executable and test if we can attach. 43 os.remove(exe) 44 45 self.runCmd("process attach -p " + str(popen.pid)) 46 self.runCmd("kill") 47