self.build()
self.inferior_crashing_expr()
- @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
- def test_inferior_crashing_step(self):
- """Test that stepping after a crash behaves correctly."""
- self.build()
- self.inferior_crashing_step()
-
- @skipIfTargetAndroid() # debuggerd interferes with this test on Android
- @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
- def test_inferior_crashing_step_after_break(self):
- """Test that lldb functions correctly after stepping through a crash."""
- self.build()
- self.inferior_crashing_step_after_break()
-
- # Inferior exits after stepping after a segfault. This is working as
- # intended IMHO.
- @skipIfLinux
- @skipIfFreeBSD
- @expectedFailureNetBSD
- def test_inferior_crashing_expr_step_and_expr(self):
- """Test that lldb expressions work before and after stepping after a crash."""
- self.build()
- self.inferior_crashing_expr_step_expr()
-
def set_breakpoint(self, line):
lldbutil.run_break_set_by_file_and_line(
self, "main.c", line, num_expected_locations=1, loc_exact=True)
self.expect("p hello_world",
substrs=['Hello'])
-
- def inferior_crashing_step(self):
- """Test that lldb functions correctly after stepping through a crash."""
- exe = self.getBuildArtifact("a.out")
- self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
-
- self.set_breakpoint(self.line)
- self.runCmd("run", RUN_SUCCEEDED)
-
- self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
- substrs=['main.c:%d' % self.line,
- 'stop reason = breakpoint'])
-
- self.runCmd("next")
- self.check_stop_reason()
-
- # The lldb expression interpreter should be able to read from addresses
- # of the inferior after a crash.
- self.expect("p argv[0]",
- substrs=['a.out'])
- self.expect("p null_ptr",
- substrs=['= 0x0'])
-
- # lldb should be able to read from registers from the inferior after
- # crashing.
- lldbplatformutil.check_first_register_readable(self)
-
- # And it should report the correct line number.
- self.expect("thread backtrace all",
- substrs=['main.c:%d' % self.line])
-
- def inferior_crashing_step_after_break(self):
- """Test that lldb behaves correctly when stepping after a crash."""
- exe = self.getBuildArtifact("a.out")
- self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
-
- self.runCmd("run", RUN_SUCCEEDED)
- self.check_stop_reason()
-
- expected_state = 'exited' # Provide the exit code.
- if self.platformIsDarwin():
- # TODO: Determine why 'next' and 'continue' have no effect after a
- # crash.
- expected_state = 'stopped'
-
- self.expect("next",
- substrs=['Process', expected_state])
-
- if expected_state == 'exited':
- self.expect(
- "thread list",
- error=True,
- substrs=['Process must be launched'])
- else:
- self.check_stop_reason()
-
- def inferior_crashing_expr_step_expr(self):
- """Test that lldb expressions work before and after stepping after a crash."""
- exe = self.getBuildArtifact("a.out")
- self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
-
- self.runCmd("run", RUN_SUCCEEDED)
- self.check_stop_reason()
-
- # The lldb expression interpreter should be able to read from addresses
- # of the inferior after a crash.
- self.expect("p argv[0]",
- substrs=['a.out'])
-
- self.runCmd("next")
- self.check_stop_reason()
-
- # The lldb expression interpreter should be able to read from addresses
- # of the inferior after a crash.
- self.expect("p argv[0]",
- substrs=['a.out'])
--- /dev/null
+"""Test that lldb steps correctly after the inferior has crashed."""
+
+from __future__ import print_function
+
+import os
+import time
+import lldb
+from lldbsuite.test import lldbutil
+from lldbsuite.test import lldbplatformutil
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+
+
+class CrashingInferiorStepTestCase(TestBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
+ @expectedFailureNetBSD
+ def test_inferior_crashing(self):
+ """Test that lldb reliably catches the inferior crashing (command)."""
+ self.build()
+ self.inferior_crashing()
+
+ @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
+ def test_inferior_crashing_register(self):
+ """Test that lldb reliably reads registers from the inferior after crashing (command)."""
+ self.build()
+ self.inferior_crashing_registers()
+
+ @add_test_categories(['pyapi'])
+ def test_inferior_crashing_python(self):
+ """Test that lldb reliably catches the inferior crashing (Python API)."""
+ self.build()
+ self.inferior_crashing_python()
+
+ def test_inferior_crashing_expr(self):
+ """Test that the lldb expression interpreter can read from the inferior after crashing (command)."""
+ self.build()
+ self.inferior_crashing_expr()
+
+ @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
+ def test_inferior_crashing_step(self):
+ """Test that stepping after a crash behaves correctly."""
+ self.build()
+ self.inferior_crashing_step()
+
+ @skipIfTargetAndroid() # debuggerd interferes with this test on Android
+ @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
+ def test_inferior_crashing_step_after_break(self):
+ """Test that lldb functions correctly after stepping through a crash."""
+ self.build()
+ self.inferior_crashing_step_after_break()
+
+ # Inferior exits after stepping after a segfault. This is working as
+ # intended IMHO.
+ @skipIfLinux
+ @skipIfFreeBSD
+ @expectedFailureNetBSD
+ def test_inferior_crashing_expr_step_and_expr(self):
+ """Test that lldb expressions work before and after stepping after a crash."""
+ self.build()
+ self.inferior_crashing_expr_step_expr()
+
+ def set_breakpoint(self, line):
+ lldbutil.run_break_set_by_file_and_line(
+ self, "main.c", line, num_expected_locations=1, loc_exact=True)
+
+ def check_stop_reason(self):
+ # We should have one crashing thread
+ self.assertEqual(
+ len(
+ lldbutil.get_crashed_threads(
+ self,
+ self.dbg.GetSelectedTarget().GetProcess())), 1,
+ STOPPED_DUE_TO_EXC_BAD_ACCESS)
+
+ def get_api_stop_reason(self):
+ return lldb.eStopReasonException
+
+ def setUp(self):
+ # Call super's setUp().
+ TestBase.setUp(self)
+ # Find the line number of the crash.
+ self.line = line_number('main.c', '// Crash here.')
+
+ def inferior_crashing(self):
+ """Inferior crashes upon launching; lldb should catch the event and stop."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.runCmd("run", RUN_SUCCEEDED)
+ # The exact stop reason depends on the platform
+ if self.platformIsDarwin():
+ stop_reason = 'stop reason = EXC_BAD_ACCESS'
+ elif self.getPlatform() == "linux" or self.getPlatform() == "freebsd":
+ stop_reason = 'stop reason = signal SIGSEGV'
+ else:
+ stop_reason = 'stop reason = invalid address'
+ self.expect(
+ "thread list",
+ STOPPED_DUE_TO_EXC_BAD_ACCESS,
+ substrs=['stopped', stop_reason])
+
+ # And it should report the correct line number.
+ self.expect(
+ "thread backtrace all",
+ substrs=[stop_reason, 'main.c:%d' % self.line])
+
+ def inferior_crashing_python(self):
+ """Inferior crashes upon launching; lldb should catch the event and stop."""
+ exe = self.getBuildArtifact("a.out")
+
+ target = self.dbg.CreateTarget(exe)
+ self.assertTrue(target, VALID_TARGET)
+
+ # Now launch the process, and do not stop at entry point.
+ # Both argv and envp are null.
+ process = target.LaunchSimple(None, None,
+ self.get_process_working_directory())
+
+ if process.GetState() != lldb.eStateStopped:
+ self.fail("Process should be in the 'stopped' state, "
+ "instead the actual state is: '%s'" %
+ lldbutil.state_type_to_str(process.GetState()))
+
+ threads = lldbutil.get_crashed_threads(self, process)
+ self.assertEqual(
+ len(threads), 1,
+ "Failed to stop the thread upon bad access exception")
+
+ if self.TraceOn():
+ lldbutil.print_stacktrace(threads[0])
+
+ def inferior_crashing_registers(self):
+ """Test that lldb can read registers after crashing."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.runCmd("run", RUN_SUCCEEDED)
+ self.check_stop_reason()
+
+ # lldb should be able to read from registers from the inferior after
+ # crashing.
+ lldbplatformutil.check_first_register_readable(self)
+
+ def inferior_crashing_expr(self):
+ """Test that the lldb expression interpreter can read symbols after crashing."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.runCmd("run", RUN_SUCCEEDED)
+ self.check_stop_reason()
+
+ # The lldb expression interpreter should be able to read from addresses
+ # of the inferior after a crash.
+ self.expect("p argc", startstr='(int) $0 = 1')
+
+ self.expect("p hello_world", substrs=['Hello'])
+
+ def inferior_crashing_step(self):
+ """Test that lldb functions correctly after stepping through a crash."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.set_breakpoint(self.line)
+ self.runCmd("run", RUN_SUCCEEDED)
+
+ self.expect(
+ "thread list",
+ STOPPED_DUE_TO_BREAKPOINT,
+ substrs=['main.c:%d' % self.line, 'stop reason = breakpoint'])
+
+ self.runCmd("next")
+ self.check_stop_reason()
+
+ # The lldb expression interpreter should be able to read from addresses
+ # of the inferior after a crash.
+ self.expect("p argv[0]", substrs=['a.out'])
+ self.expect("p null_ptr", substrs=['= 0x0'])
+
+ # lldb should be able to read from registers from the inferior after
+ # crashing.
+ lldbplatformutil.check_first_register_readable(self)
+
+ # And it should report the correct line number.
+ self.expect("thread backtrace all", substrs=['main.c:%d' % self.line])
+
+ def inferior_crashing_step_after_break(self):
+ """Test that lldb behaves correctly when stepping after a crash."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.runCmd("run", RUN_SUCCEEDED)
+ self.check_stop_reason()
+
+ expected_state = 'exited' # Provide the exit code.
+ if self.platformIsDarwin():
+ # TODO: Determine why 'next' and 'continue' have no effect after a
+ # crash.
+ expected_state = 'stopped'
+
+ self.expect("next", substrs=['Process', expected_state])
+
+ if expected_state == 'exited':
+ self.expect(
+ "thread list",
+ error=True,
+ substrs=['Process must be launched'])
+ else:
+ self.check_stop_reason()
+
+ def inferior_crashing_expr_step_expr(self):
+ """Test that lldb expressions work before and after stepping after a crash."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.runCmd("run", RUN_SUCCEEDED)
+ self.check_stop_reason()
+
+ # The lldb expression interpreter should be able to read from addresses
+ # of the inferior after a crash.
+ self.expect("p argv[0]", substrs=['a.out'])
+
+ self.runCmd("next")
+ self.check_stop_reason()
+
+ # The lldb expression interpreter should be able to read from addresses
+ # of the inferior after a crash.
+ self.expect("p argv[0]", substrs=['a.out'])
self.build()
self.recursive_inferior_crashing_expr()
- @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
- def test_recursive_inferior_crashing_step(self):
- """Test that stepping after a crash behaves correctly."""
- self.build()
- self.recursive_inferior_crashing_step()
-
- @skipIfTargetAndroid() # debuggerd interferes with this test on Android
- @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
- def test_recursive_inferior_crashing_step_after_break(self):
- """Test that lldb functions correctly after stepping through a crash."""
- self.build()
- self.recursive_inferior_crashing_step_after_break()
-
- # Inferior exits after stepping after a segfault. This is working as
- # intended IMHO.
- @skipIfLinux
- @skipIfFreeBSD
- @expectedFailureNetBSD
- def test_recursive_inferior_crashing_expr_step_and_expr(self):
- """Test that lldb expressions work before and after stepping after a crash."""
- self.build()
- self.recursive_inferior_crashing_expr_step_expr()
-
def set_breakpoint(self, line):
lldbutil.run_break_set_by_file_and_line(
self, "main.c", line, num_expected_locations=1, loc_exact=True)
self.expect("p i",
startstr='(int) $0 =')
- def recursive_inferior_crashing_step(self):
- """Test that lldb functions correctly after stepping through a crash."""
- exe = self.getBuildArtifact("a.out")
- self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
-
- self.set_breakpoint(self.line)
- self.runCmd("run", RUN_SUCCEEDED)
-
- self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
- substrs=['main.c:%d' % self.line,
- 'stop reason = breakpoint'])
-
- self.runCmd("next")
- self.check_stop_reason()
-
- # The lldb expression interpreter should be able to read from addresses
- # of the inferior after a crash.
- self.expect("p i",
- substrs=['(int) $0 ='])
-
- # lldb should be able to read from registers from the inferior after
- # crashing.
- lldbplatformutil.check_first_register_readable(self)
-
- # And it should report the correct line number.
- self.expect("thread backtrace all",
- substrs=['main.c:%d' % self.line])
-
- def recursive_inferior_crashing_step_after_break(self):
- """Test that lldb behaves correctly when stepping after a crash."""
- exe = self.getBuildArtifact("a.out")
- self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
-
- self.runCmd("run", RUN_SUCCEEDED)
- self.check_stop_reason()
-
- expected_state = 'exited' # Provide the exit code.
- if self.platformIsDarwin():
- # TODO: Determine why 'next' and 'continue' have no effect after a
- # crash.
- expected_state = 'stopped'
-
- self.expect("next",
- substrs=['Process', expected_state])
-
- if expected_state == 'exited':
- self.expect(
- "thread list",
- error=True,
- substrs=['Process must be launched'])
- else:
- self.check_stop_reason()
-
- def recursive_inferior_crashing_expr_step_expr(self):
- """Test that lldb expressions work before and after stepping after a crash."""
- exe = self.getBuildArtifact("a.out")
- self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
-
- self.runCmd("run", RUN_SUCCEEDED)
- self.check_stop_reason()
-
- # The lldb expression interpreter should be able to read from addresses
- # of the inferior after a crash.
- self.expect("p null",
- startstr='(char *) $0 = 0x0')
-
- self.runCmd("next")
-
- # The lldb expression interpreter should be able to read from addresses
- # of the inferior after a step.
- self.expect("p null",
- startstr='(char *) $1 = 0x0')
-
- self.check_stop_reason()
--- /dev/null
+"""Test that lldb steps correctly after the inferior has crashed while in a recursive routine."""
+
+from __future__ import print_function
+
+import os
+import time
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbplatformutil
+from lldbsuite.test import lldbutil
+
+
+class CrashingRecursiveInferiorStepTestCase(TestBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
+ def test_recursive_inferior_crashing_step(self):
+ """Test that stepping after a crash behaves correctly."""
+ self.build()
+ self.recursive_inferior_crashing_step()
+
+ @skipIfTargetAndroid() # debuggerd interferes with this test on Android
+ @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
+ def test_recursive_inferior_crashing_step_after_break(self):
+ """Test that lldb functions correctly after stepping through a crash."""
+ self.build()
+ self.recursive_inferior_crashing_step_after_break()
+
+ # Inferior exits after stepping after a segfault. This is working as
+ # intended IMHO.
+ @skipIfLinux
+ @skipIfFreeBSD
+ @expectedFailureNetBSD
+ def test_recursive_inferior_crashing_expr_step_and_expr(self):
+ """Test that lldb expressions work before and after stepping after a crash."""
+ self.build()
+ self.recursive_inferior_crashing_expr_step_expr()
+
+ def set_breakpoint(self, line):
+ lldbutil.run_break_set_by_file_and_line(
+ self, "main.c", line, num_expected_locations=1, loc_exact=True)
+
+ def check_stop_reason(self):
+ # We should have one crashing thread
+ self.assertEqual(
+ len(
+ lldbutil.get_crashed_threads(
+ self,
+ self.dbg.GetSelectedTarget().GetProcess())), 1,
+ STOPPED_DUE_TO_EXC_BAD_ACCESS)
+
+ def setUp(self):
+ # Call super's setUp().
+ TestBase.setUp(self)
+ # Find the line number of the crash.
+ self.line = line_number('main.c', '// Crash here.')
+
+ def recursive_inferior_crashing_step(self):
+ """Test that lldb functions correctly after stepping through a crash."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.set_breakpoint(self.line)
+ self.runCmd("run", RUN_SUCCEEDED)
+
+ self.expect(
+ "thread list",
+ STOPPED_DUE_TO_BREAKPOINT,
+ substrs=['main.c:%d' % self.line, 'stop reason = breakpoint'])
+
+ self.runCmd("next")
+ self.check_stop_reason()
+
+ # The lldb expression interpreter should be able to read from addresses
+ # of the inferior after a crash.
+ self.expect("p i", substrs=['(int) $0 ='])
+
+ # lldb should be able to read from registers from the inferior after
+ # crashing.
+ lldbplatformutil.check_first_register_readable(self)
+
+ # And it should report the correct line number.
+ self.expect("thread backtrace all", substrs=['main.c:%d' % self.line])
+
+ def recursive_inferior_crashing_step_after_break(self):
+ """Test that lldb behaves correctly when stepping after a crash."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.runCmd("run", RUN_SUCCEEDED)
+ self.check_stop_reason()
+
+ expected_state = 'exited' # Provide the exit code.
+ if self.platformIsDarwin():
+ # TODO: Determine why 'next' and 'continue' have no effect after a
+ # crash.
+ expected_state = 'stopped'
+
+ self.expect("next", substrs=['Process', expected_state])
+
+ if expected_state == 'exited':
+ self.expect(
+ "thread list",
+ error=True,
+ substrs=['Process must be launched'])
+ else:
+ self.check_stop_reason()
+
+ def recursive_inferior_crashing_expr_step_expr(self):
+ """Test that lldb expressions work before and after stepping after a crash."""
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ self.runCmd("run", RUN_SUCCEEDED)
+ self.check_stop_reason()
+
+ # The lldb expression interpreter should be able to read from addresses
+ # of the inferior after a crash.
+ self.expect("p null", startstr='(char *) $0 = 0x0')
+
+ self.runCmd("next")
+
+ # The lldb expression interpreter should be able to read from addresses
+ # of the inferior after a step.
+ self.expect("p null", startstr='(char *) $1 = 0x0')
+
+ self.check_stop_reason()