lldb/test/API/tools/lldb-server/TestGdbRemoteSaveCore.py

   1 import gdbremote_testcase
   2 from lldbsuite.test.decorators import *
   3 from lldbsuite.test.lldbtest import *
   4 from lldbsuite.test import lldbutil
   5
   6 import binascii
   7 import os
   8
   9
  10 class TestGdbSaveCore(gdbremote_testcase.GdbRemoteTestCaseBase):
  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 = "$qSaveCore"
  22         if core_path is not None:
  23             packet += ";path-hint:{}".format(
  24                 binascii.b2a_hex(core_path.encode()).decode()
  25             )
  26
  27         self.test_sequence.add_log_lines(
  28             [
  29                 "read packet: {}#00".format(packet),
  30                 {
  31                     "direction": "send",
  32                     "regex": "[$]core-path:([0-9a-f]+)#.*",
  33                     "capture": {1: "path"},
  34                 },
  35             ],
  36             True,
  37         )
  38         ret = self.expect_gdbremote_sequence()
  39         out_path = binascii.a2b_hex(ret["path"].encode()).decode()
  40         if expect_path is not None:
  41             self.assertEqual(out_path, expect_path)
  42
  43         target = self.dbg.CreateTarget(None)
  44         process = target.LoadCore(out_path)
  45         self.assertTrue(process, PROCESS_IS_VALID)
  46         self.assertEqual(process.GetProcessID(), procs["inferior"].pid)
  47
  48     @skipUnlessPlatform(oslist=["freebsd", "netbsd"])
  49     def test_netbsd_path(self):
  50         core = lldbutil.append_to_process_working_directory(self, "core")
  51         self.coredump_test(core, core)
  52
  53     @skipUnlessPlatform(oslist=["freebsd", "netbsd"])
  54     def test_netbsd_no_path(self):
  55         self.coredump_test()
  56
  57     @skipUnlessPlatform(oslist=["freebsd", "netbsd"])
  58     def test_netbsd_bad_path(self):
  59         self.coredump_test("/dev/null/cantwritehere")