117 lines
3.9 KiB
Python
117 lines
3.9 KiB
Python
"""
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Test require hardware breakpoints.
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"""
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class BreakpointLocationsTestCase(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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mydir = TestBase.compute_mydir(__file__)
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def supports_hw_breakpoints(self):
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self.build()
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self.runCmd("file " + self.getBuildArtifact("a.out"),
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CURRENT_EXECUTABLE_SET)
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self.runCmd("breakpoint set -b main --hardware")
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self.runCmd("run")
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if 'stopped' in self.res.GetOutput():
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return 'Hardware breakpoints are supported'
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return None
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def test_breakpoint(self):
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"""Test regular breakpoints when hardware breakpoints are required."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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target = self.dbg.CreateTarget(exe)
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self.runCmd("settings set target.require-hardware-breakpoint true")
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breakpoint = target.BreakpointCreateByLocation("main.c", 1)
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self.assertTrue(breakpoint.IsHardware())
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@skipIfWindows
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@expectedFailure(supports_hw_breakpoints)
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def test_step_range(self):
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"""Test stepping when hardware breakpoints are required."""
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self.build()
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_, _, thread, _ = lldbutil.run_to_line_breakpoint(
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self, lldb.SBFileSpec("main.c"), 1)
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self.runCmd("settings set target.require-hardware-breakpoint true")
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# Ensure we fail in the interpreter.
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self.expect("thread step-in")
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self.expect("thread step-in", error=True)
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# Ensure we fail when stepping through the API.
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error = lldb.SBError()
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thread.StepInto('', 4, error)
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self.assertTrue(error.Fail())
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self.assertTrue("Could not create hardware breakpoint for thread plan"
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in error.GetCString())
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@skipIfWindows
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@expectedFailure(supports_hw_breakpoints)
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def test_step_out(self):
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"""Test stepping out when hardware breakpoints are required."""
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self.build()
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_, _, thread, _ = lldbutil.run_to_line_breakpoint(
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self, lldb.SBFileSpec("main.c"), 1)
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self.runCmd("settings set target.require-hardware-breakpoint true")
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# Ensure this fails in the command interpreter.
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self.expect("thread step-out", error=True)
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# Ensure we fail when stepping through the API.
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error = lldb.SBError()
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thread.StepOut(error)
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self.assertTrue(error.Fail())
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self.assertTrue("Could not create hardware breakpoint for thread plan"
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in error.GetCString())
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@skipIfWindows
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@expectedFailure(supports_hw_breakpoints)
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def test_step_over(self):
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"""Test stepping over when hardware breakpoints are required."""
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self.build()
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_, _, thread, _ = lldbutil.run_to_line_breakpoint(
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self, lldb.SBFileSpec("main.c"), 7)
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self.runCmd("settings set target.require-hardware-breakpoint true")
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# Step over doesn't fail immediately but fails later on.
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self.expect(
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"thread step-over",
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error=True,
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substrs=[
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'error: Could not create hardware breakpoint for thread plan.'
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])
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@skipIfWindows
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@expectedFailure(supports_hw_breakpoints)
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def test_step_until(self):
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"""Test stepping until when hardware breakpoints are required."""
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self.build()
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_, _, thread, _ = lldbutil.run_to_line_breakpoint(
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self, lldb.SBFileSpec("main.c"), 7)
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self.runCmd("settings set target.require-hardware-breakpoint true")
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self.expect("thread until 5", error=True)
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# Ensure we fail when stepping through the API.
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error = thread.StepOverUntil(lldb.SBFrame(), lldb.SBFileSpec(), 5)
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self.assertTrue(error.Fail())
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self.assertTrue("Could not create hardware breakpoint for thread plan"
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in error.GetCString())
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