4570d3eba0
This has led to many test suite failures because of copy and paste where new test cases were based off of other test cases and the "mydir" variable wasn't updated. Now you can call your superclasses "compute_mydir()" function with "__file__" as the sole argument and the relative path will be computed for you. llvm-svn: 196985
71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
"""
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Test lldb ability to unwind a stack with a function containing a call to the
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'__builtin_trap' intrinsic, which GCC (4.6) encodes to an illegal opcode.
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"""
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import os
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import unittest2
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import lldb
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from lldbtest import *
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import lldbutil
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class BuiltinTrapTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_with_dsym_and_run_command(self):
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"""Test that LLDB handles a function with __builtin_trap correctly."""
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self.buildDsym()
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self.builtin_trap_unwind()
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@dwarf_test
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@expectedFailureGcc # llvm.org/pr15936: LLDB is omits a function that contains an
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# illegal opcode from backtraces. This
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# failure is GCC 4.6 specific.
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def test_with_dwarf_and_run_command(self):
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"""Test that LLDB handles a function with __builtin_trap correctly."""
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self.buildDwarf()
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self.builtin_trap_unwind()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break at.
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self.line = line_number('main.cpp', '// Set break point at this line.')
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def builtin_trap_unwind(self):
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"""Test that LLDB handles unwinding a frame that contains a function
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with a __builtin_trap intrinsic.
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"""
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line,
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num_expected_locations=1,
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loc_exact=True)
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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',
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'stop reason = breakpoint'])
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# print backtrace, expect both 'bar' and 'main' functions to be listed
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self.expect('bt', substrs = ['bar', 'main'])
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# go up one frame
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self.runCmd("up", RUN_SUCCEEDED)
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# evaluate a local
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self.expect('p foo', substrs = ['= 5'])
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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