diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite')
3 files changed, 102 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/Makefile b/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/Makefile new file mode 100644 index 00000000000..b09a579159d --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +C_SOURCES := main.c + +include $(LEVEL)/Makefile.rules diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/TestHandleAbort.py b/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/TestHandleAbort.py new file mode 100644 index 00000000000..022ad929162 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/TestHandleAbort.py @@ -0,0 +1,72 @@ +"""Test that we can unwind out of a SIGABRT handler""" + +from __future__ import print_function + + +import os +import re + +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 + 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) diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/main.c b/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/main.c new file mode 100644 index 00000000000..c2daea1e84e --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/main.c @@ -0,0 +1,25 @@ +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> + +void handler(int sig) +{ + printf("Set a breakpoint here.\n"); + exit(0); +} + +void abort_caller() { + abort(); +} + +int main() +{ + if (signal(SIGABRT, handler) == SIG_ERR) + { + perror("signal"); + return 1; + } + + abort_caller(); + return 2; +} |
