| """ |
| Test require hardware breakpoints. |
| """ |
| |
| from __future__ import print_function |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class BreakpointLocationsTestCase(TestBase): |
| NO_DEBUG_INFO_TESTCASE = True |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def test_breakpoint(self): |
| """Test regular breakpoints when hardware breakpoints are required.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| target = self.dbg.CreateTarget(exe) |
| |
| self.runCmd("settings set target.require-hardware-breakpoint true") |
| |
| breakpoint = target.BreakpointCreateByLocation("main.c", 1) |
| self.assertTrue(breakpoint.IsHardware()) |
| |
| @skipIfWindows |
| def test_step_range(self): |
| """Test stepping when hardware breakpoints are required.""" |
| self.build() |
| |
| _, _, thread, _ = lldbutil.run_to_line_breakpoint( |
| self, lldb.SBFileSpec("main.c"), 1) |
| |
| self.runCmd("settings set target.require-hardware-breakpoint true") |
| |
| # Ensure we fail in the interpreter. |
| self.expect("thread step-in") |
| self.expect("thread step-in", error=True) |
| |
| # Ensure we fail when stepping through the API. |
| error = lldb.SBError() |
| thread.StepInto('', 4, error) |
| self.assertTrue(error.Fail()) |
| self.assertTrue("Could not create hardware breakpoint for thread plan" |
| in error.GetCString()) |
| |
| @skipIfWindows |
| def test_step_out(self): |
| """Test stepping out when hardware breakpoints are required.""" |
| self.build() |
| |
| _, _, thread, _ = lldbutil.run_to_line_breakpoint( |
| self, lldb.SBFileSpec("main.c"), 1) |
| |
| self.runCmd("settings set target.require-hardware-breakpoint true") |
| |
| # Ensure this fails in the command interpreter. |
| self.expect("thread step-out", error=True) |
| |
| # Ensure we fail when stepping through the API. |
| error = lldb.SBError() |
| thread.StepOut(error) |
| self.assertTrue(error.Fail()) |
| self.assertTrue("Could not create hardware breakpoint for thread plan" |
| in error.GetCString()) |
| |
| @skipIfWindows |
| def test_step_over(self): |
| """Test stepping over when hardware breakpoints are required.""" |
| self.build() |
| |
| _, _, thread, _ = lldbutil.run_to_line_breakpoint( |
| self, lldb.SBFileSpec("main.c"), 7) |
| |
| self.runCmd("settings set target.require-hardware-breakpoint true") |
| |
| # Step over doesn't fail immediately but fails later on. |
| self.expect( |
| "thread step-over", |
| error=True, |
| substrs=[ |
| 'error: Could not create hardware breakpoint for thread plan.' |
| ]) |
| |
| @skipIfWindows |
| def test_step_until(self): |
| """Test stepping until when hardware breakpoints are required.""" |
| self.build() |
| |
| _, _, thread, _ = lldbutil.run_to_line_breakpoint( |
| self, lldb.SBFileSpec("main.c"), 7) |
| |
| self.runCmd("settings set target.require-hardware-breakpoint true") |
| |
| self.expect("thread until 5", error=True) |
| |
| # Ensure we fail when stepping through the API. |
| error = thread.StepOverUntil(lldb.SBFrame(), lldb.SBFileSpec(), 5) |
| self.assertTrue(error.Fail()) |
| self.assertTrue("Could not create hardware breakpoint for thread plan" |
| in error.GetCString()) |
