diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2019-08-20 18:01:57 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2019-08-20 18:01:57 +0000 |
commit | 88c643b6fec27eec436c8d138fee6346e92337d6 (patch) | |
tree | 82cd13b2f3cde1c9e5f79689ba4e6ba67694843f /packages/Python/lldbsuite/test/functionalities/inline-stepping/TestInlineStepping.py | |
parent | 94994d372d014ce4c8758b9605d63fae651bd8aa (diff) |
Notes
Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/inline-stepping/TestInlineStepping.py')
-rw-r--r-- | packages/Python/lldbsuite/test/functionalities/inline-stepping/TestInlineStepping.py | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/inline-stepping/TestInlineStepping.py b/packages/Python/lldbsuite/test/functionalities/inline-stepping/TestInlineStepping.py deleted file mode 100644 index 4513db2ccdfc..000000000000 --- a/packages/Python/lldbsuite/test/functionalities/inline-stepping/TestInlineStepping.py +++ /dev/null @@ -1,332 +0,0 @@ -"""Test stepping over and into inlined functions.""" - -from __future__ import print_function - - -import os -import time -import sys -import lldb -from lldbsuite.test.decorators import * -from lldbsuite.test.lldbtest import * -from lldbsuite.test import lldbutil - - -class TestInlineStepping(TestBase): - - mydir = TestBase.compute_mydir(__file__) - - @add_test_categories(['pyapi']) - @expectedFailureAll( - compiler="icc", - bugnumber="# Not really a bug. ICC combines two inlined functions.") - @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343") - def test_with_python_api(self): - """Test stepping over and into inlined functions.""" - self.build() - self.inline_stepping() - - @add_test_categories(['pyapi']) - def test_step_over_with_python_api(self): - """Test stepping over and into inlined functions.""" - self.build() - self.inline_stepping_step_over() - - @add_test_categories(['pyapi']) - @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343") - def test_step_in_template_with_python_api(self): - """Test stepping in to templated functions.""" - self.build() - self.step_in_template() - - def setUp(self): - # Call super's setUp(). - TestBase.setUp(self) - # Find the line numbers that we will step to in main: - self.main_source = "calling.cpp" - self.source_lines = {} - functions = [ - 'caller_ref_1', - 'caller_ref_2', - 'inline_ref_1', - 'inline_ref_2', - 'called_by_inline_ref', - 'caller_trivial_1', - 'caller_trivial_2', - 'inline_trivial_1', - 'inline_trivial_2', - 'called_by_inline_trivial'] - for name in functions: - self.source_lines[name] = line_number( - self.main_source, "// In " + name + ".") - self.main_source_spec = lldb.SBFileSpec(self.main_source) - - def do_step(self, step_type, destination_line_entry, test_stack_depth): - expected_stack_depth = self.thread.GetNumFrames() - if step_type == "into": - expected_stack_depth += 1 - self.thread.StepInto() - elif step_type == "out": - expected_stack_depth -= 1 - self.thread.StepOut() - elif step_type == "over": - self.thread.StepOver() - else: - self.fail("Unrecognized step type: " + step_type) - - threads = lldbutil.get_stopped_threads( - self.process, lldb.eStopReasonPlanComplete) - if len(threads) != 1: - destination_description = lldb.SBStream() - destination_line_entry.GetDescription(destination_description) - self.fail( - "Failed to stop due to step " + - step_type + - " operation stepping to: " + - destination_description.GetData()) - - self.thread = threads[0] - - stop_line_entry = self.thread.GetFrameAtIndex(0).GetLineEntry() - self.assertTrue( - stop_line_entry.IsValid(), - "Stop line entry was not valid.") - - # Don't use the line entry equal operator because we don't care about - # the column number. - stop_at_right_place = (stop_line_entry.GetFileSpec() == destination_line_entry.GetFileSpec( - ) and stop_line_entry.GetLine() == destination_line_entry.GetLine()) - if not stop_at_right_place: - destination_description = lldb.SBStream() - destination_line_entry.GetDescription(destination_description) - - actual_description = lldb.SBStream() - stop_line_entry.GetDescription(actual_description) - - self.fail( - "Step " + - step_type + - " stopped at wrong place: expected: " + - destination_description.GetData() + - " got: " + - actual_description.GetData() + - ".") - - real_stack_depth = self.thread.GetNumFrames() - - if test_stack_depth and real_stack_depth != expected_stack_depth: - destination_description = lldb.SBStream() - destination_line_entry.GetDescription(destination_description) - self.fail( - "Step %s to %s got wrong number of frames, should be: %d was: %d." % - (step_type, - destination_description.GetData(), - expected_stack_depth, - real_stack_depth)) - - def run_step_sequence(self, step_sequence): - """This function takes a list of duples instructing how to run the program. The first element in each duple is - a source pattern for the target location, and the second is the operation that will take you from the current - source location to the target location. It will then run all the steps in the sequence. - It will check that you arrived at the expected source location at each step, and that the stack depth changed - correctly for the operation in the sequence.""" - - target_line_entry = lldb.SBLineEntry() - target_line_entry.SetFileSpec(self.main_source_spec) - - test_stack_depth = True - # Work around for <rdar://problem/16363195>, the darwin unwinder seems flakey about whether it duplicates the first frame - # or not, which makes counting stack depth unreliable. - if self.platformIsDarwin(): - test_stack_depth = False - - for step_pattern in step_sequence: - step_stop_line = line_number(self.main_source, step_pattern[0]) - target_line_entry.SetLine(step_stop_line) - self.do_step(step_pattern[1], target_line_entry, test_stack_depth) - - def inline_stepping(self): - """Use Python APIs to test stepping over and hitting breakpoints.""" - exe = self.getBuildArtifact("a.out") - - target = self.dbg.CreateTarget(exe) - self.assertTrue(target, VALID_TARGET) - - break_1_in_main = target.BreakpointCreateBySourceRegex( - '// Stop here and step over to set up stepping over.', self.main_source_spec) - self.assertTrue(break_1_in_main, VALID_BREAKPOINT) - - # Now launch the process, and do not stop at entry point. - self.process = target.LaunchSimple( - None, None, self.get_process_working_directory()) - - self.assertTrue(self.process, PROCESS_IS_VALID) - - # The stop reason of the thread should be breakpoint. - threads = lldbutil.get_threads_stopped_at_breakpoint( - self.process, break_1_in_main) - - if len(threads) != 1: - self.fail("Failed to stop at first breakpoint in main.") - - self.thread = threads[0] - - # Step over the inline_value = 0 line to get us to inline_trivial_1 called from main. Doing it this way works - # around a bug in lldb where the breakpoint on the containing line of an inlined function with no return value - # gets set past the insertion line in the function. - # Then test stepping over a simple inlined function. Note, to test all the parts of the inlined stepping - # the calls inline_stepping_1 and inline_stepping_2 should line up at the same address, that way we will test - # the "virtual" stepping. - # FIXME: Put in a check to see if that is true and warn if it is not. - - step_sequence = [["// At inline_trivial_1 called from main.", "over"], - ["// At first call of caller_trivial_1 in main.", "over"]] - self.run_step_sequence(step_sequence) - - # Now step from caller_ref_1 all the way into called_by_inline_trivial - - step_sequence = [["// In caller_trivial_1.", "into"], - ["// In caller_trivial_2.", "into"], - ["// In inline_trivial_1.", "into"], - ["// In inline_trivial_2.", "into"], - ["// At caller_by_inline_trivial in inline_trivial_2.", "over"], - ["// In called_by_inline_trivial.", "into"]] - self.run_step_sequence(step_sequence) - - # Now run to the inline_trivial_1 just before the immediate step into - # inline_trivial_2: - - break_2_in_main = target.BreakpointCreateBySourceRegex( - '// At second call of caller_trivial_1 in main.', self.main_source_spec) - self.assertTrue(break_2_in_main, VALID_BREAKPOINT) - - threads = lldbutil.continue_to_breakpoint( - self.process, break_2_in_main) - self.assertTrue( - len(threads) == 1, - "Successfully ran to call site of second caller_trivial_1 call.") - self.thread = threads[0] - - step_sequence = [["// In caller_trivial_1.", "into"], - ["// In caller_trivial_2.", "into"], - ["// In inline_trivial_1.", "into"]] - self.run_step_sequence(step_sequence) - - # Then call some trivial function, and make sure we end up back where - # we were in the inlined call stack: - - frame = self.thread.GetFrameAtIndex(0) - before_line_entry = frame.GetLineEntry() - value = frame.EvaluateExpression("function_to_call()") - after_line_entry = frame.GetLineEntry() - - self.assertTrue( - before_line_entry.GetLine() == after_line_entry.GetLine(), - "Line entry before and after function calls are the same.") - - # Now make sure stepping OVER in the middle of the stack works, and - # then check finish from the inlined frame: - - step_sequence = [["// At increment in inline_trivial_1.", "over"], - ["// At increment in caller_trivial_2.", "out"]] - self.run_step_sequence(step_sequence) - - # Now run to the place in main just before the first call to - # caller_ref_1: - - break_3_in_main = target.BreakpointCreateBySourceRegex( - '// At first call of caller_ref_1 in main.', self.main_source_spec) - self.assertTrue(break_3_in_main, VALID_BREAKPOINT) - - threads = lldbutil.continue_to_breakpoint( - self.process, break_3_in_main) - self.assertTrue( - len(threads) == 1, - "Successfully ran to call site of first caller_ref_1 call.") - self.thread = threads[0] - - step_sequence = [["// In caller_ref_1.", "into"], - ["// In caller_ref_2.", "into"], - ["// In inline_ref_1.", "into"], - ["// In inline_ref_2.", "into"], - ["// In called_by_inline_ref.", "into"], - ["// In inline_ref_2.", "out"], - ["// In inline_ref_1.", "out"], - ["// At increment in inline_ref_1.", "over"], - ["// In caller_ref_2.", "out"], - ["// At increment in caller_ref_2.", "over"]] - self.run_step_sequence(step_sequence) - - def inline_stepping_step_over(self): - """Use Python APIs to test stepping over and hitting breakpoints.""" - exe = self.getBuildArtifact("a.out") - - target = self.dbg.CreateTarget(exe) - self.assertTrue(target, VALID_TARGET) - - break_1_in_main = target.BreakpointCreateBySourceRegex( - '// At second call of caller_ref_1 in main.', self.main_source_spec) - self.assertTrue(break_1_in_main, VALID_BREAKPOINT) - - # Now launch the process, and do not stop at entry point. - self.process = target.LaunchSimple( - None, None, self.get_process_working_directory()) - - self.assertTrue(self.process, PROCESS_IS_VALID) - - # The stop reason of the thread should be breakpoint. - threads = lldbutil.get_threads_stopped_at_breakpoint( - self.process, break_1_in_main) - - if len(threads) != 1: - self.fail("Failed to stop at first breakpoint in main.") - - self.thread = threads[0] - - step_sequence = [["// In caller_ref_1.", "into"], - ["// In caller_ref_2.", "into"], - ["// At increment in caller_ref_2.", "over"]] - self.run_step_sequence(step_sequence) - - def step_in_template(self): - """Use Python APIs to test stepping in to templated functions.""" - exe = self.getBuildArtifact("a.out") - - target = self.dbg.CreateTarget(exe) - self.assertTrue(target, VALID_TARGET) - - break_1_in_main = target.BreakpointCreateBySourceRegex( - '// Call max_value template', self.main_source_spec) - self.assertTrue(break_1_in_main, VALID_BREAKPOINT) - - break_2_in_main = target.BreakpointCreateBySourceRegex( - '// Call max_value specialized', self.main_source_spec) - self.assertTrue(break_2_in_main, VALID_BREAKPOINT) - - # Now launch the process, and do not stop at entry point. - self.process = target.LaunchSimple( - None, None, self.get_process_working_directory()) - self.assertTrue(self.process, PROCESS_IS_VALID) - - # The stop reason of the thread should be breakpoint. - threads = lldbutil.get_threads_stopped_at_breakpoint( - self.process, break_1_in_main) - - if len(threads) != 1: - self.fail("Failed to stop at first breakpoint in main.") - - self.thread = threads[0] - - step_sequence = [["// In max_value template", "into"]] - self.run_step_sequence(step_sequence) - - threads = lldbutil.continue_to_breakpoint( - self.process, break_2_in_main) - self.assertEqual( - len(threads), - 1, - "Successfully ran to call site of second caller_trivial_1 call.") - self.thread = threads[0] - - step_sequence = [["// In max_value specialized", "into"]] - self.run_step_sequence(step_sequence) |