107 lines
4.4 KiB
Python
107 lines
4.4 KiB
Python
import gdbremote_testcase
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class TestGdbRemote_qThreadStopInfo(gdbremote_testcase.GdbRemoteTestCaseBase):
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THREAD_COUNT = 5
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def gather_stop_replies_via_qThreadStopInfo(self, threads):
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# Grab stop reply for each thread via qThreadStopInfo{tid:hex}.
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stop_replies = {}
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thread_dicts = {}
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for thread in threads:
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# Run the qThreadStopInfo command.
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self.reset_test_sequence()
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self.test_sequence.add_log_lines(
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[
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"read packet: $qThreadStopInfo{:x}#00".format(thread),
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{
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"direction": "send",
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"regex": r"^\$T([0-9a-fA-F]+)([^#]+)#[0-9a-fA-F]{2}$",
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"capture": {
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1: "stop_result",
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2: "key_vals_text"}},
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],
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True)
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context = self.expect_gdbremote_sequence()
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self.assertIsNotNone(context)
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# Parse stop reply contents.
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key_vals_text = context.get("key_vals_text")
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self.assertIsNotNone(key_vals_text)
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kv_dict = self.parse_key_val_dict(key_vals_text)
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self.assertIsNotNone(kv_dict)
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# Verify there is a thread and that it matches the expected thread
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# id.
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kv_thread = kv_dict.get("thread")
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self.assertIsNotNone(kv_thread)
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kv_thread_id = int(kv_thread, 16)
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self.assertEqual(kv_thread_id, thread)
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# Grab the stop id reported.
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stop_result_text = context.get("stop_result")
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self.assertIsNotNone(stop_result_text)
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stop_replies[kv_thread_id] = int(stop_result_text, 16)
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# Hang on to the key-val dictionary for the thread.
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thread_dicts[kv_thread_id] = kv_dict
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return stop_replies
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@skipIfNetBSD
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def test_qThreadStopInfo_works_for_multiple_threads(self):
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self.build()
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self.set_inferior_startup_launch()
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_, threads = self.launch_with_threads(self.THREAD_COUNT)
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stop_replies = self.gather_stop_replies_via_qThreadStopInfo(threads)
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triple = self.dbg.GetSelectedPlatform().GetTriple()
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# Consider one more thread created by calling DebugBreakProcess.
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if re.match(".*-.*-windows", triple):
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self.assertGreaterEqual(len(stop_replies), self.THREAD_COUNT)
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else:
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self.assertEqual(len(stop_replies), self.THREAD_COUNT)
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@expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr48418")
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@expectedFailureNetBSD
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@expectedFailureAll(oslist=["windows"]) # Output forwarding not implemented
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def test_qThreadStopInfo_only_reports_one_thread_stop_reason_during_interrupt(self):
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self.build()
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self.set_inferior_startup_launch()
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procs = self.prep_debug_monitor_and_inferior(
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inferior_args=["thread:new"]*4 + ["stop-me-now", "sleep:60"])
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self.test_sequence.add_log_lines([
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"read packet: $c#00",
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{"type": "output_match",
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"regex": self.maybe_strict_output_regex(r"stop-me-now\r\n")},
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"read packet: \x03",
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{"direction": "send",
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"regex": r"^\$T([0-9a-fA-F]{2})([^#]*)#..$"}], True)
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self.add_threadinfo_collection_packets()
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context = self.expect_gdbremote_sequence()
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threads = self.parse_threadinfo_packets(context)
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stop_replies = self.gather_stop_replies_via_qThreadStopInfo(threads)
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self.assertIsNotNone(stop_replies)
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no_stop_reason_count = sum(
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1 for stop_reason in list(
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stop_replies.values()) if stop_reason == 0)
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with_stop_reason_count = sum(
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1 for stop_reason in list(
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stop_replies.values()) if stop_reason != 0)
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# All but one thread should report no stop reason.
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triple = self.dbg.GetSelectedPlatform().GetTriple()
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# Consider one more thread created by calling DebugBreakProcess.
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if re.match(".*-.*-windows", triple):
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self.assertGreaterEqual(no_stop_reason_count, self.THREAD_COUNT - 1)
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else:
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self.assertEqual(no_stop_reason_count, self.THREAD_COUNT - 1)
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# Only one thread should should indicate a stop reason.
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self.assertEqual(with_stop_reason_count, 1)
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