71 lines
2.5 KiB
Python
71 lines
2.5 KiB
Python
"""Test that we can unwind out of a SIGABRT handler"""
|
|
|
|
|
|
|
|
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
|
|
class HandleAbortTestCase(TestBase):
|
|
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
|
|
NO_DEBUG_INFO_TESTCASE = True
|
|
|
|
@skipIfWindows # signals do not exist on Windows
|
|
@expectedFailureNetBSD
|
|
def test_inferior_handle_sigabrt(self):
|
|
"""Inferior calls abort() and handles the resultant SIGABRT.
|
|
Stopped at a breakpoint in the handler, verify that the backtrace
|
|
includes the function that called abort()."""
|
|
self.build()
|
|
exe = self.getBuildArtifact("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("SIGABRT")
|
|
|
|
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 should be data in the event.")
|
|
self.assertEqual(thread.GetStopReasonDataAtIndex(0),
|
|
signo, "The stop signal should be SIGABRT")
|
|
|
|
# Continue to breakpoint in abort handler
|
|
bkpt = target.FindBreakpointByID(
|
|
lldbutil.run_break_set_by_source_regexp(self, "Set a breakpoint here"))
|
|
threads = lldbutil.continue_to_breakpoint(process, bkpt)
|
|
self.assertEqual(len(threads), 1, "Expected single thread")
|
|
thread = threads[0]
|
|
|
|
# Expect breakpoint in 'handler'
|
|
frame = thread.GetFrameAtIndex(0)
|
|
self.assertEqual(frame.GetDisplayFunctionName(), "handler", "Unexpected break?")
|
|
|
|
# Expect that unwinding should find 'abort_caller'
|
|
foundFoo = False
|
|
for frame in thread:
|
|
if frame.GetDisplayFunctionName() == "abort_caller":
|
|
foundFoo = True
|
|
|
|
self.assertTrue(foundFoo, "Unwinding did not find func that called abort")
|
|
|
|
# Continue until we exit.
|
|
process.Continue()
|
|
self.assertEqual(process.GetState(), lldb.eStateExited)
|
|
self.assertEqual(process.GetExitStatus(), 0)
|