diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/tools/lldb-server')
4 files changed, 157 insertions, 1 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py index ef6a0a21aae..f6e09f6164d 100644 --- a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py +++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py @@ -929,7 +929,8 @@ class GdbRemoteTestCaseBase(TestBase): "qXfer:libraries:read", "qXfer:libraries-svr4:read", "qXfer:features:read", - "qEcho" + "qEcho", + "QPassSignals" ] def parse_qSupported_response(self, context): diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/Makefile b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/Makefile new file mode 100644 index 00000000000..314f1cb2f07 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +CXX_SOURCES := main.cpp + +include $(LEVEL)/Makefile.rules diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/TestGdbRemote_QPassSignals.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/TestGdbRemote_QPassSignals.py new file mode 100644 index 00000000000..b486c0af181 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/TestGdbRemote_QPassSignals.py @@ -0,0 +1,113 @@ +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"], "+") diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/main.cpp b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/main.cpp new file mode 100644 index 00000000000..4991259fe46 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/signal-filtering/main.cpp @@ -0,0 +1,37 @@ +//===-- main.cpp ------------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include <signal.h> +#include <stdio.h> +#include <vector> + +static int signal_counter = 0; + +static void count_signal(int signo) { + ++signal_counter; + printf("Signal %d\n", signo); +} + +static void raise_signals() { + std::vector<int> signals( + {SIGSEGV, SIGUSR1, SIGUSR2, SIGALRM, SIGFPE, SIGBUS, SIGINT, SIGHUP}); + + for (int signal_num : signals) { + signal(signal_num, count_signal); + } + + for (int signal_num : signals) { + raise(signal_num); + } +} + +int main() { + raise_signals(); + return signal_counter; +} |
