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595048f3ec
in TestBase::getBuildArtifact(). This NFC commit is in preparation for https://reviews.llvm.org/D42281 (compile the LLDB tests out-of-tree). Differential Revision: https://reviews.llvm.org/D42280 llvm-svn: 323007
88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
"""
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Test the use of setjmp/longjmp for non-local goto operations in a single-threaded inferior.
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"""
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from __future__ import print_function
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import os
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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 LongjmpTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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TestBase.setUp(self)
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@skipIfDarwin # llvm.org/pr16769: LLDB on Mac OS X dies in function ReadRegisterBytes in GDBRemoteRegisterContext.cpp
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@skipIfFreeBSD # llvm.org/pr17214
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@expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr20231")
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
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def test_step_out(self):
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"""Test stepping when the inferior calls setjmp/longjmp, in particular, thread step-out."""
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self.build()
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self.step_out()
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@skipIfDarwin # llvm.org/pr16769: LLDB on Mac OS X dies in function ReadRegisterBytes in GDBRemoteRegisterContext.cpp
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@skipIfFreeBSD # llvm.org/pr17214
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@expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr20231")
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
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def test_step_over(self):
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"""Test stepping when the inferior calls setjmp/longjmp, in particular, thread step-over a longjmp."""
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self.build()
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self.step_over()
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@skipIfDarwin # llvm.org/pr16769: LLDB on Mac OS X dies in function ReadRegisterBytes in GDBRemoteRegisterContext.cpp
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@skipIfFreeBSD # llvm.org/pr17214
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@expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr20231")
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
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def test_step_back_out(self):
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"""Test stepping when the inferior calls setjmp/longjmp, in particular, thread step-out after thread step-in."""
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self.build()
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self.step_back_out()
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def start_test(self, symbol):
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exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Break in main().
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lldbutil.run_break_set_by_symbol(
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self, symbol, num_expected_locations=-1)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs=['stopped', 'stop reason = breakpoint'])
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def check_status(self):
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# Note: Depending on the generated mapping of DWARF to assembly,
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# the process may have stopped or exited.
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self.expect("process status", PROCESS_STOPPED,
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patterns=['Process .* exited with status = 0'])
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def step_out(self):
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self.start_test("do_jump")
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self.runCmd("thread step-out", RUN_SUCCEEDED)
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self.check_status()
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def step_over(self):
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self.start_test("do_jump")
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self.runCmd("thread step-over", RUN_SUCCEEDED)
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self.runCmd("thread step-over", RUN_SUCCEEDED)
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self.check_status()
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def step_back_out(self):
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self.start_test("main")
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self.runCmd("thread step-over", RUN_SUCCEEDED)
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self.runCmd("thread step-in", RUN_SUCCEEDED)
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self.runCmd("thread step-out", RUN_SUCCEEDED)
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self.check_status()
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