| """ |
| Test thread step-in, step-over and step-out work with the "Avoid no debug" option. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import re |
| import sys |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class StepAvoidsNoDebugTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @add_test_categories(['pyapi']) |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343") |
| def test_step_out_with_python(self): |
| """Test stepping out using avoid-no-debug with dsyms.""" |
| self.build() |
| self.get_to_starting_point() |
| self.do_step_out_past_nodebug() |
| |
| @add_test_categories(['pyapi']) |
| @decorators.expectedFailureAll( |
| compiler="gcc", bugnumber="llvm.org/pr28549") |
| @decorators.expectedFailureAll( |
| compiler="clang", |
| compiler_version=[ |
| ">=", |
| "3.9"], |
| archs=["i386"], |
| bugnumber="llvm.org/pr28549") |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343") |
| def test_step_over_with_python(self): |
| """Test stepping over using avoid-no-debug with dwarf.""" |
| self.build() |
| self.get_to_starting_point() |
| self.do_step_over_past_nodebug() |
| |
| @add_test_categories(['pyapi']) |
| @decorators.expectedFailureAll( |
| compiler="gcc", bugnumber="llvm.org/pr28549") |
| @decorators.expectedFailureAll( |
| compiler="clang", |
| compiler_version=[ |
| ">=", |
| "3.9"], |
| archs=["i386"], |
| bugnumber="llvm.org/pr28549") |
| @expectedFailureAll(oslist=["ios", "tvos", "bridgeos"], bugnumber="<rdar://problem/34026777>") # lldb doesn't step past last source line in function on arm64 |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343") |
| def test_step_in_with_python(self): |
| """Test stepping in using avoid-no-debug with dwarf.""" |
| self.build() |
| self.get_to_starting_point() |
| self.do_step_in_past_nodebug() |
| |
| def setUp(self): |
| TestBase.setUp(self) |
| self.main_source = "with-debug.c" |
| self.main_source_spec = lldb.SBFileSpec("with-debug.c") |
| self.dbg.HandleCommand( |
| "settings set target.process.thread.step-out-avoid-nodebug true") |
| |
| def tearDown(self): |
| self.dbg.HandleCommand( |
| "settings set target.process.thread.step-out-avoid-nodebug false") |
| TestBase.tearDown(self) |
| |
| def hit_correct_line(self, pattern): |
| target_line = line_number(self.main_source, pattern) |
| self.assertTrue( |
| target_line != 0, |
| "Could not find source pattern " + |
| pattern) |
| cur_line = self.thread.frames[0].GetLineEntry().GetLine() |
| self.assertTrue( |
| cur_line == target_line, |
| "Stepped to line %d instead of expected %d with pattern '%s'." % |
| (cur_line, |
| target_line, |
| pattern)) |
| |
| def hit_correct_function(self, pattern): |
| name = self.thread.frames[0].GetFunctionName() |
| self.assertTrue( |
| pattern in name, "Got to '%s' not the expected function '%s'." % |
| (name, pattern)) |
| |
| def get_to_starting_point(self): |
| exe = self.getBuildArtifact("a.out") |
| error = lldb.SBError() |
| |
| self.target = self.dbg.CreateTarget(exe) |
| self.assertTrue(self.target, VALID_TARGET) |
| |
| inner_bkpt = self.target.BreakpointCreateBySourceRegex( |
| "Stop here and step out of me", self.main_source_spec) |
| self.assertTrue(inner_bkpt, VALID_BREAKPOINT) |
| |
| # Now launch the process, and do not stop at entry point. |
| self.process = self.target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| |
| self.assertTrue(self.process, PROCESS_IS_VALID) |
| |
| # Now finish, and make sure the return value is correct. |
| threads = lldbutil.get_threads_stopped_at_breakpoint( |
| self.process, inner_bkpt) |
| self.assertTrue(len(threads) == 1, "Stopped at inner breakpoint.") |
| self.thread = threads[0] |
| |
| def do_step_out_past_nodebug(self): |
| # The first step out takes us to the called_from_nodebug frame, just to make sure setting |
| # step-out-avoid-nodebug doesn't change the behavior in frames with |
| # debug info. |
| self.thread.StepOut() |
| self.hit_correct_line( |
| "intermediate_return_value = called_from_nodebug_actual(some_value)") |
| self.thread.StepOut() |
| self.hit_correct_line( |
| "int return_value = no_debug_caller(5, called_from_nodebug)") |
| |
| def do_step_over_past_nodebug(self): |
| self.thread.StepOver() |
| self.hit_correct_line( |
| "intermediate_return_value = called_from_nodebug_actual(some_value)") |
| self.thread.StepOver() |
| self.hit_correct_line("return intermediate_return_value") |
| self.thread.StepOver() |
| # Note, lldb doesn't follow gdb's distinction between "step-out" and "step-over/step-in" |
| # when exiting a frame. In all cases we leave the pc at the point where we exited the |
| # frame. In gdb, step-over/step-in move to the end of the line they stepped out to. |
| # If we ever change this we will need to fix this test. |
| self.hit_correct_line( |
| "int return_value = no_debug_caller(5, called_from_nodebug)") |
| |
| def do_step_in_past_nodebug(self): |
| self.thread.StepInto() |
| self.hit_correct_line( |
| "intermediate_return_value = called_from_nodebug_actual(some_value)") |
| self.thread.StepInto() |
| self.hit_correct_line("return intermediate_return_value") |
| self.thread.StepInto() |
| # Note, lldb doesn't follow gdb's distinction between "step-out" and "step-over/step-in" |
| # when exiting a frame. In all cases we leave the pc at the point where we exited the |
| # frame. In gdb, step-over/step-in move to the end of the line they stepped out to. |
| # If we ever change this we will need to fix this test. |
| self.hit_correct_line( |
| "int return_value = no_debug_caller(5, called_from_nodebug)") |
