packages/Python/lldbsuite/test/functionalities/postmortem/elf-core/thread_crash/TestLinuxCoreThreads.py

   1 """
   2 Test signal reporting when debugging with linux core files.
   3 """
   4
   5 from __future__ import print_function
   6
   7 import shutil
   8 import struct
   9
  10 import lldb
  11 from lldbsuite.test.decorators import *
  12 from lldbsuite.test.lldbtest import *
  13 from lldbsuite.test import lldbutil
  14
  15
  16 class LinuxCoreThreadsTestCase(TestBase):
  17     NO_DEBUG_INFO_TESTCASE = True
  18
  19     mydir = TestBase.compute_mydir(__file__)
  20     _initial_platform = lldb.DBG.GetSelectedPlatform()
  21
  22     _i386_pid = 5193
  23     _x86_64_pid = 5222
  24
  25     # Thread id for the failing thread.
  26     _i386_tid = 5195
  27     _x86_64_tid = 5250
  28
  29     @skipIf(oslist=['windows'])
  30     @skipIf(triple='^mips')
  31     def test_i386(self):
  32         """Test that lldb can read the process information from an i386 linux core file."""
  33         self.do_test("linux-i386", self._i386_pid, self._i386_tid)
  34
  35     @skipIf(oslist=['windows'])
  36     @skipIf(triple='^mips')
  37     def test_x86_64(self):
  38         """Test that lldb can read the process information from an x86_64 linux core file."""
  39         self.do_test("linux-x86_64", self._x86_64_pid, self._x86_64_tid)
  40
  41     def do_test(self, filename, pid, tid):
  42         target = self.dbg.CreateTarget("")
  43         process = target.LoadCore(filename + ".core")
  44         self.assertTrue(process, PROCESS_IS_VALID)
  45         self.assertEqual(process.GetNumThreads(), 3)
  46         self.assertEqual(process.GetProcessID(), pid)
  47
  48         for thread in process:
  49             reason = thread.GetStopReason()
  50             if( thread.GetThreadID() == tid ):
  51                 self.assertEqual(reason, lldb.eStopReasonSignal)
  52                 signal = thread.GetStopReasonDataAtIndex(1)
  53                 # Check we got signal 4 (SIGILL)
  54                 self.assertEqual(signal, 4)
  55             else:
  56                 signal = thread.GetStopReasonDataAtIndex(1)
  57                 # Check we got no signal on the other threads
  58                 self.assertEqual(signal, 0)
  59
  60         self.dbg.DeleteTarget(target)
  61         lldb.DBG.SetSelectedPlatform(self._initial_platform)