| # This test makes sure that lldb-server supports and properly handles |
| # QPassSignals GDB protocol package. |
| from __future__ import print_function |
| |
| import gdbremote_testcase |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| class TestGdbRemote_QPassSignals(gdbremote_testcase.GdbRemoteTestCaseBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def expect_signal(self, expected_signo): |
| self.test_sequence.add_log_lines(["read packet: $vCont;c#a8", |
| {"direction": "send", |
| "regex": r"^\$T([0-9a-fA-F]{2}).*#[0-9a-fA-F]{2}$", |
| "capture": {1: "hex_exit_code"}}, |
| ], |
| True) |
| |
| context = self.expect_gdbremote_sequence() |
| self.assertIsNotNone(context) |
| |
| hex_exit_code = context.get("hex_exit_code") |
| self.assertIsNotNone(hex_exit_code) |
| self.assertEqual(int(hex_exit_code, 16), expected_signo) |
| |
| def expect_exit_code(self, exit_code): |
| self.test_sequence.add_log_lines( |
| ["read packet: $vCont;c#a8", |
| "send packet: $W{0:02x}#00".format(exit_code)], |
| True) |
| self.expect_gdbremote_sequence() |
| |
| |
| def ignore_signals(self, signals): |
| def signal_name_to_hex(signame): |
| return format(lldbutil.get_signal_number(signame), 'x') |
| signals_str = ";".join(map(signal_name_to_hex, signals)) |
| |
| self.test_sequence.add_log_lines(["read packet: $QPassSignals:" |
| + signals_str + " #00", |
| "send packet: $OK#00"], |
| True) |
| |
| context = self.expect_gdbremote_sequence() |
| self.assertIsNotNone(context) |
| |
| @llgs_test |
| @skipUnlessPlatform(["linux", "android"]) |
| def test_q_pass_signals(self): |
| self.init_llgs_test() |
| self.build() |
| self.set_inferior_startup_launch() |
| procs = self.prep_debug_monitor_and_inferior() |
| expected_signals = ["SIGSEGV", |
| "SIGALRM", "SIGFPE", "SIGBUS", "SIGINT", "SIGHUP"] |
| signals_to_ignore = ["SIGUSR1", "SIGUSR2"] |
| self.ignore_signals(signals_to_ignore) |
| for signal_name in expected_signals: |
| signo = lldbutil.get_signal_number(signal_name) |
| self.expect_signal(signo) |
| self.expect_exit_code(len(signals_to_ignore)) |
| |
| @llgs_test |
| @skipUnlessPlatform(["linux", "android"]) |
| def test_change_signals_at_runtime(self): |
| self.init_llgs_test() |
| self.build() |
| self.set_inferior_startup_launch() |
| procs = self.prep_debug_monitor_and_inferior() |
| expected_signals = ["SIGSEGV", "SIGUSR1", "SIGUSR2", |
| "SIGALRM", "SIGHUP"] |
| signals_to_ignore = ["SIGFPE", "SIGBUS", "SIGINT"] |
| |
| for signal_name in expected_signals: |
| signo = lldbutil.get_signal_number(signal_name) |
| self.expect_signal(signo) |
| if signal_name == "SIGALRM": |
| self.ignore_signals(signals_to_ignore) |
| self.expect_exit_code(len(signals_to_ignore)) |
| |
| @llgs_test |
| def test_default_signals_behavior(self): |
| self.init_llgs_test() |
| self.build() |
| self.set_inferior_startup_launch() |
| procs = self.prep_debug_monitor_and_inferior() |
| expected_signals = ["SIGSEGV", "SIGUSR1", "SIGUSR2", |
| "SIGALRM", "SIGFPE", "SIGBUS", "SIGINT", "SIGHUP"] |
| for signal_name in expected_signals: |
| signo = lldbutil.get_signal_number(signal_name) |
| self.expect_signal(signo) |
| self.expect_exit_code(0) |
| |
| |
| @llgs_test |
| @skipUnlessPlatform(["linux", "android"]) |
| def test_support_q_pass_signals(self): |
| self.init_llgs_test() |
| self.build() |
| |
| # Start up the stub and start/prep the inferior. |
| self.set_inferior_startup_launch() |
| procs = self.prep_debug_monitor_and_inferior() |
| self.add_qSupported_packets() |
| |
| # Run the packet stream. |
| context = self.expect_gdbremote_sequence() |
| self.assertIsNotNone(context) |
| |
| # Retrieve the qSupported features and check QPassSignals+ |
| supported_dict = self.parse_qSupported_response(context) |
| self.assertEqual(supported_dict["QPassSignals"], "+") |
