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