111 lines · python
1"""Test for the JITLoaderGDB interface"""2 3 4import unittest5import os6import lldb7from lldbsuite.test import lldbutil8from lldbsuite.test.decorators import *9from lldbsuite.test.lldbtest import *10 11 12class JITLoaderGDBTestCase(TestBase):13 @skipTestIfFn(14 lambda: "Skipped because the test crashes the test runner",15 bugnumber="llvm.org/pr24702",16 )17 @unittest.expectedFailure # llvm.org/pr2470218 def test_bogus_values(self):19 """Test that we handle inferior misusing the GDB JIT interface"""20 self.build()21 exe = self.getBuildArtifact("a.out")22 23 # Create a target by the debugger.24 target = self.dbg.CreateTarget(exe)25 self.assertTrue(target, VALID_TARGET)26 27 # Launch the process, do not stop at entry point.28 process = target.LaunchSimple(None, None, self.get_process_working_directory())29 self.assertTrue(process, PROCESS_IS_VALID)30 31 # The inferior will now pass bogus values over the interface. Make sure32 # we don't crash.33 self.assertState(process.GetState(), lldb.eStateExited)34 self.assertEqual(process.GetExitStatus(), 0)35 36 def gen_log_file(self):37 logfile = self.getBuildArtifact(38 "jitintgdb-{}.txt".format(self.getArchitecture())39 )40 41 def cleanup():42 if os.path.exists(logfile):43 os.unlink(logfile)44 45 self.addTearDownHook(cleanup)46 return logfile47 48 def test_jit_int_default(self):49 self.expect(50 "settings show plugin.jit-loader.gdb.enable",51 substrs=["plugin.jit-loader.gdb.enable (enum) = default"],52 )53 54 @skipIfWindows # This test fails on Windows during C code build55 def test_jit_int_on(self):56 """Tests interface with 'enable' settings 'on'"""57 self.build()58 exe = self.getBuildArtifact("simple")59 60 logfile = self.gen_log_file()61 self.runCmd("log enable -f %s lldb jit" % (logfile))62 self.runCmd("settings set plugin.jit-loader.gdb.enable on")63 64 def cleanup():65 self.runCmd("log disable lldb")66 self.runCmd("settings set plugin.jit-loader.gdb.enable default")67 68 self.addTearDownHook(cleanup)69 70 # Launch the process.71 target = self.dbg.CreateTarget(exe)72 self.assertTrue(target, VALID_TARGET)73 process = target.LaunchSimple(None, None, self.get_process_working_directory())74 self.assertTrue(process, PROCESS_IS_VALID)75 76 self.assertState(process.GetState(), lldb.eStateExited)77 self.assertEqual(process.GetExitStatus(), 0)78 79 self.assertTrue(os.path.exists(logfile))80 logcontent = open(logfile).read()81 self.assertIn("SetJITBreakpoint setting JIT breakpoint", logcontent)82 83 @skipIfWindows # This test fails on Windows during C code build84 def test_jit_int_off(self):85 """Tests interface with 'enable' settings 'off'"""86 self.build()87 exe = self.getBuildArtifact("simple")88 89 logfile = self.gen_log_file()90 self.runCmd("log enable -f %s lldb jit" % (logfile))91 self.runCmd("settings set plugin.jit-loader.gdb.enable off")92 93 def cleanup():94 self.runCmd("log disable lldb")95 self.runCmd("settings set plugin.jit-loader.gdb.enable default")96 97 self.addTearDownHook(cleanup)98 99 # Launch the process.100 target = self.dbg.CreateTarget(exe)101 self.assertTrue(target, VALID_TARGET)102 process = target.LaunchSimple(None, None, self.get_process_working_directory())103 self.assertTrue(process, PROCESS_IS_VALID)104 105 self.assertState(process.GetState(), lldb.eStateExited)106 self.assertEqual(process.GetExitStatus(), 0)107 108 self.assertTrue(os.path.exists(logfile))109 logcontent = open(logfile).read()110 self.assertNotIn("SetJITBreakpoint setting JIT breakpoint", logcontent)111