1import gdbremote_testcase
2from lldbsuite.test.decorators import *
3from lldbsuite.test.lldbtest import *
4from lldbsuite.test import lldbutil
5
6import binascii
7import os
8
9class TestGdbSaveCore(gdbremote_testcase.GdbRemoteTestCaseBase):
10    mydir = TestBase.compute_mydir(__file__)
11
12    def coredump_test(self, core_path=None, expect_path=None):
13        self.build()
14        self.set_inferior_startup_attach()
15        procs = self.prep_debug_monitor_and_inferior()
16        self.add_qSupported_packets()
17        ret = self.expect_gdbremote_sequence()
18        if "qSaveCore+" not in ret["qSupported_response"]:
19            self.skipTest("qSaveCore not supported by lldb-server")
20        self.reset_test_sequence()
21
22        packet = "$qSaveCore"
23        if core_path is not None:
24            packet += ";path-hint:{}".format(
25                binascii.b2a_hex(core_path.encode()).decode())
26
27        self.test_sequence.add_log_lines([
28            "read packet: {}#00".format(packet),
29            {"direction": "send", "regex": "[$]core-path:([0-9a-f]+)#.*",
30             "capture": {1: "path"}},
31        ], True)
32        ret = self.expect_gdbremote_sequence()
33        out_path = binascii.a2b_hex(ret["path"].encode()).decode()
34        if expect_path is not None:
35            self.assertEqual(out_path, expect_path)
36
37        target = self.dbg.CreateTarget(None)
38        process = target.LoadCore(out_path)
39        self.assertTrue(process, PROCESS_IS_VALID)
40        self.assertEqual(process.GetProcessID(), procs["inferior"].pid)
41
42    @skipUnlessPlatform(oslist=["freebsd", "netbsd"])
43    def test_netbsd_path(self):
44        core = lldbutil.append_to_process_working_directory(self, "core")
45        self.coredump_test(core, core)
46
47    @skipUnlessPlatform(oslist=["freebsd", "netbsd"])
48    def test_netbsd_no_path(self):
49        self.coredump_test()
50
51    @skipUnlessPlatform(oslist=["freebsd", "netbsd"])
52    def test_netbsd_bad_path(self):
53        self.coredump_test("/dev/null/cantwritehere")
54