diff options
Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/inferior-changed')
4 files changed, 119 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/inferior-changed/Makefile b/packages/Python/lldbsuite/test/functionalities/inferior-changed/Makefile new file mode 100644 index 000000000000..0d70f2595019 --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/inferior-changed/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../make + +C_SOURCES := main.c + +include $(LEVEL)/Makefile.rules diff --git a/packages/Python/lldbsuite/test/functionalities/inferior-changed/TestInferiorChanged.py b/packages/Python/lldbsuite/test/functionalities/inferior-changed/TestInferiorChanged.py new file mode 100644 index 000000000000..830c7f69355f --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/inferior-changed/TestInferiorChanged.py @@ -0,0 +1,80 @@ +"""Test lldb reloads the inferior after it was changed during the session.""" + +from __future__ import print_function + + + +import os, time +import lldb +from lldbsuite.test import configuration +from lldbsuite.test.lldbtest import * +import lldbsuite.test.lldbutil as lldbutil + +class ChangedInferiorTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + @skipIfHostWindows + def test_inferior_crashing(self): + """Test lldb reloads the inferior after it was changed during the session.""" + self.build() + self.inferior_crashing() + self.cleanup() + # lldb needs to recognize the inferior has changed. If lldb needs to check the + # new module timestamp, make sure it is not the same as the old one, so add a + # 1 second delay. + time.sleep(1) + d = {'C_SOURCES': 'main2.c'} + self.build(dictionary=d) + self.setTearDownCleanup(dictionary=d) + self.inferior_not_crashing() + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number of the crash. + self.line1 = line_number('main.c', '// Crash here.') + self.line2 = line_number('main2.c', '// Not crash here.') + + def inferior_crashing(self): + """Inferior crashes upon launching; lldb should catch the event and stop.""" + self.exe = os.path.join(os.getcwd(), "a.out") + self.runCmd("file " + self.exe, CURRENT_EXECUTABLE_SET) + + self.runCmd("run", RUN_SUCCEEDED) + + # We should have one crashing thread + self.assertEqual( + len(lldbutil.get_crashed_threads(self, self.dbg.GetSelectedTarget().GetProcess())), + 1, + STOPPED_DUE_TO_EXC_BAD_ACCESS) + + # And it should report the correct line number. + self.expect("thread backtrace all", substrs = ['main.c:%d' % self.line1]) + + def inferior_not_crashing(self): + """Test lldb reloads the inferior after it was changed during the session.""" + self.runCmd("process kill") + self.runCmd("run", RUN_SUCCEEDED) + self.runCmd("process status") + + self.assertNotEqual( + len(lldbutil.get_crashed_threads(self, self.dbg.GetSelectedTarget().GetProcess())), + 1, + "Inferior changed, but lldb did not perform a reload") + + # Break inside the main. + lldbutil.run_break_set_by_file_and_line (self, "main2.c", self.line2, num_expected_locations=1, loc_exact=True) + + self.runCmd("run", RUN_SUCCEEDED) + + # The stop reason of the thread should be breakpoint. + self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, + substrs = ['stopped', + 'stop reason = breakpoint']) + + self.runCmd("frame variable int_ptr") + self.expect("frame variable *int_ptr", + substrs = ['= 7']) + self.expect("expression *int_ptr", + substrs = ['= 7']) diff --git a/packages/Python/lldbsuite/test/functionalities/inferior-changed/main.c b/packages/Python/lldbsuite/test/functionalities/inferior-changed/main.c new file mode 100644 index 000000000000..9d0706a0862d --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/inferior-changed/main.c @@ -0,0 +1,16 @@ +//===-- main.c --------------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +#include <stdio.h> + +int main(int argc, const char* argv[]) +{ + int *null_ptr = 0; + printf("Hello, segfault!\n"); + printf("Now crash %d\n", *null_ptr); // Crash here. +} diff --git a/packages/Python/lldbsuite/test/functionalities/inferior-changed/main2.c b/packages/Python/lldbsuite/test/functionalities/inferior-changed/main2.c new file mode 100644 index 000000000000..9173e8c30b59 --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/inferior-changed/main2.c @@ -0,0 +1,18 @@ +//===-- main2.c -------------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +#include <stdio.h> +#include <stdlib.h> + +int main(int argc, const char* argv[]) +{ + int *int_ptr = (int *)malloc(sizeof(int)); + *int_ptr = 7; + printf("Hello, world!\n"); + printf("Now not crash %d\n", *int_ptr); // Not crash here. +} |