4954f6a565
This patch allows LLDB to print column info in backtraces et al. if available, which is useful when the backtrace contains a frame like the following: f(can_crash(0), can_crash(1)); Differential Revision: https://reviews.llvm.org/D51661 llvm-svn: 341506
96 lines
3.2 KiB
Python
96 lines
3.2 KiB
Python
"""
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Test the AddressSanitizer runtime support for report breakpoint and data extraction.
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"""
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from __future__ import print_function
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import os
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import time
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import json
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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 AsanTestReportDataCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@expectedFailureAll(
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oslist=["linux"],
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bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)")
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@skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
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@skipIfRemote
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@skipUnlessAddressSanitizer
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@skipIf(archs=['i386'], bugnumber="llvm.org/PR36710")
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def test(self):
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self.build()
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self.asan_tests()
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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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self.line_malloc = line_number('main.c', '// malloc line')
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self.line_malloc2 = line_number('main.c', '// malloc2 line')
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self.line_free = line_number('main.c', '// free line')
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self.line_breakpoint = line_number('main.c', '// break line')
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self.line_crash = line_number('main.c', '// BOOM line')
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self.col_crash = 16
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def asan_tests(self):
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exe = self.getBuildArtifact("a.out")
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self.expect(
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"file " + exe,
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patterns=["Current executable set to .*a.out"])
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self.runCmd("run")
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stop_reason = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
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if stop_reason == lldb.eStopReasonExec:
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# On OS X 10.10 and older, we need to re-exec to enable
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# interceptors.
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self.runCmd("continue")
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self.expect(
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"thread list",
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"Process should be stopped due to ASan report",
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substrs=[
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'stopped',
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'stop reason = Use of deallocated memory'])
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self.assertEqual(
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self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason(),
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lldb.eStopReasonInstrumentation)
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self.expect("bt", "The backtrace should show the crashing line",
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substrs=['main.c:%d:%d' % (self.line_crash, self.col_crash)])
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self.expect(
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"thread info -s",
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"The extended stop info should contain the ASan provided fields",
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substrs=[
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"access_size",
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"access_type",
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"address",
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"pc",
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"description",
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"heap-use-after-free"])
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output_lines = self.res.GetOutput().split('\n')
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json_line = '\n'.join(output_lines[2:])
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data = json.loads(json_line)
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self.assertEqual(data["description"], "heap-use-after-free")
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self.assertEqual(data["instrumentation_class"], "AddressSanitizer")
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self.assertEqual(data["stop_type"], "fatal_error")
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# now let's try the SB API
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process = self.dbg.GetSelectedTarget().process
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thread = process.GetSelectedThread()
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s = lldb.SBStream()
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self.assertTrue(thread.GetStopReasonExtendedInfoAsJSON(s))
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s = s.GetData()
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data2 = json.loads(s)
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self.assertEqual(data, data2)
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