forked from OSchip/llvm-project
54 lines
1.7 KiB
Python
54 lines
1.7 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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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 BuiltinTrapTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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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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# gcc generates incorrect linetable
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@expectedFailureAll(archs="arm", compiler="gcc", triple=".*-android")
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@expectedFailureAll(oslist=['linux'], archs=['arm'])
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@skipIfWindows
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def test_with_run_command(self):
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"""Test that LLDB handles a function with __builtin_trap correctly."""
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self.build()
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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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