1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
"""Test that we can debug inferiors that handle SIGSEGV by themselves"""
import os
import unittest2
import lldb
from lldbtest import *
import lldbutil
import re
class HandleSegvTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipIfWindows # signals do not exist on Windows
@skipIfDarwin
@expectedFailureFreeBSD("llvm.org/pr23699 SIGSEGV is reported as exception, not signal")
def test_inferior_handle_sigsegv_with_dwarf(self):
self.buildDefault()
exe = os.path.join(os.getcwd(), "a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# launch
process = target.LaunchSimple(None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
self.assertEqual(process.GetState(), lldb.eStateStopped)
signo = process.GetUnixSignals().GetSignalNumberFromName("SIGSEGV")
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonSignal)
self.assertTrue(thread and thread.IsValid(), "Thread should be stopped due to a signal")
self.assertTrue(thread.GetStopReasonDataCount() >= 1, "There was data in the event.")
self.assertEqual(thread.GetStopReasonDataAtIndex(0), signo, "The stop signal was SIGSEGV")
# Continue until we exit.
process.Continue()
self.assertEqual(process.GetState(), lldb.eStateExited)
self.assertEqual(process.GetExitStatus(), 0)
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
|
