| """ |
| Test thread stepping features in combination with frame select. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import re |
| import lldb |
| import lldbsuite.test.lldbutil as lldbutil |
| from lldbsuite.test.lldbtest import * |
| import lldbsuite.test.lldbutil as lldbutil |
| |
| |
| class ThreadSteppingTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to of function 'c'. |
| self.line1 = line_number( |
| 'main.c', '// Find the line number of function "c" here.') |
| self.line2 = line_number( |
| 'main.c', '// frame select 2, thread step-out while stopped at "c(1)"') |
| self.line3 = line_number( |
| 'main.c', '// thread step-out while stopped at "c(2)"') |
| self.line4 = line_number( |
| 'main.c', '// frame select 1, thread step-out while stopped at "c(3)"') |
| |
| def test_step_out_with_run_command(self): |
| """Exercise thread step-out and frame select followed by thread step-out.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Create a breakpoint inside function 'c'. |
| lldbutil.run_break_set_by_file_and_line( |
| self, "main.c", self.line1, num_expected_locations=1, loc_exact=True) |
| |
| # Now run the program. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The process should be stopped at this point. |
| self.expect("process status", PROCESS_STOPPED, |
| patterns=['Process .* stopped']) |
| |
| # The frame #0 should correspond to main.c:32, the executable statement |
| # in function name 'c'. And frame #3 should point to main.c:37. |
| self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=["stop reason = breakpoint"], |
| patterns=["frame #0.*main.c:%d" % self.line1, |
| "frame #3.*main.c:%d" % self.line2]) |
| |
| # We want to move the pc to frame #3. This can be accomplished by |
| # 'frame select 2', followed by 'thread step-out'. |
| self.runCmd("frame select 2") |
| self.runCmd("thread step-out") |
| self.expect("thread backtrace", STEP_OUT_SUCCEEDED, |
| substrs=["stop reason = step out"], |
| patterns=["frame #0.*main.c:%d" % self.line2]) |
| |
| # Let's move on to a single step-out case. |
| self.runCmd("process continue") |
| |
| # The process should be stopped at this point. |
| self.expect("process status", PROCESS_STOPPED, |
| patterns=['Process .* stopped']) |
| self.runCmd("thread step-out") |
| self.expect("thread backtrace", STEP_OUT_SUCCEEDED, |
| substrs=["stop reason = step out"], |
| patterns=["frame #0.*main.c:%d" % self.line3]) |
| |
| # Do another frame selct, followed by thread step-out. |
| self.runCmd("process continue") |
| |
| # The process should be stopped at this point. |
| self.expect("process status", PROCESS_STOPPED, |
| patterns=['Process .* stopped']) |
| self.runCmd("frame select 1") |
| self.runCmd("thread step-out") |
| self.expect("thread backtrace", STEP_OUT_SUCCEEDED, |
| substrs=["stop reason = step out"], |
| patterns=["frame #0.*main.c:%d" % self.line4]) |
