Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 315 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestGdbRemoteThreadsInStopReply.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestGdbRemoteThreadsInStopReply.py
new file mode 100644
index 00000000000..f9bd668a6dd
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestGdbRemoteThreadsInStopReply.py
@@ -0,0 +1,315 @@
+
+import json
+import re
+
+import gdbremote_testcase
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+class TestGdbRemoteThreadsInStopReply(
+        gdbremote_testcase.GdbRemoteTestCaseBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    ENABLE_THREADS_IN_STOP_REPLY_ENTRIES = [
+        "read packet: $QListThreadsInStopReply#21",
+        "send packet: $OK#00",
+    ]
+
+    def gather_stop_reply_fields(self, post_startup_log_lines, thread_count,
+            field_names):
+        # Set up the inferior args.
+        inferior_args = []
+        for i in range(thread_count - 1):
+            inferior_args.append("thread:new")
+        inferior_args.append("sleep:10")
+        procs = self.prep_debug_monitor_and_inferior(
+            inferior_args=inferior_args)
+
+        self.add_register_info_collection_packets()
+        self.add_process_info_collection_packets()
+
+        # Assumes test_sequence has anything added needed to setup the initial state.
+        # (Like optionally enabling QThreadsInStopReply.)
+        if post_startup_log_lines:
+            self.test_sequence.add_log_lines(post_startup_log_lines, True)
+        self.test_sequence.add_log_lines([
+            "read packet: $c#63"
+        ], True)
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+        hw_info = self.parse_hw_info(context)
+
+        # Give threads time to start up, then break.
+        time.sleep(self._WAIT_TIMEOUT)
+        self.reset_test_sequence()
+        self.test_sequence.add_log_lines(
+            [
+                "read packet: {}".format(
+                    chr(3)),
+                {
+                    "direction": "send",
+                    "regex": r"^\$T([0-9a-fA-F]+)([^#]+)#[0-9a-fA-F]{2}$",
+                    "capture": {
+                        1: "stop_result",
+                        2: "key_vals_text"}},
+            ],
+            True)
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+
+        # Wait until all threads have started.
+        threads = self.wait_for_thread_count(thread_count,
+                                             timeout_seconds=self._WAIT_TIMEOUT)
+        self.assertIsNotNone(threads)
+        self.assertEqual(len(threads), thread_count)
+
+        # Run, then stop the process, grab the stop reply content.
+        self.reset_test_sequence()
+        self.test_sequence.add_log_lines(["read packet: $c#63",
+                                          "read packet: {}".format(chr(3)),
+                                          {"direction": "send",
+                                           "regex": r"^\$T([0-9a-fA-F]+)([^#]+)#[0-9a-fA-F]{2}$",
+                                           "capture": {1: "stop_result",
+                                                       2: "key_vals_text"}},
+                                          ],
+                                         True)
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+
+        # Parse the stop reply contents.
+        key_vals_text = context.get("key_vals_text")
+        self.assertIsNotNone(key_vals_text)
+        kv_dict = self.parse_key_val_dict(key_vals_text)
+        self.assertIsNotNone(kv_dict)
+
+        result = dict();
+        result["pc_register"] = hw_info["pc_register"]
+        result["little_endian"] = hw_info["little_endian"]
+        for key_field in field_names:
+            result[key_field] = kv_dict.get(key_field)
+
+        return result
+
+    def gather_stop_reply_threads(self, post_startup_log_lines, thread_count):
+        # Pull out threads from stop response.
+        stop_reply_threads_text = self.gather_stop_reply_fields(
+                post_startup_log_lines, thread_count, ["threads"])["threads"]
+        if stop_reply_threads_text:
+            return [int(thread_id, 16)
+                    for thread_id in stop_reply_threads_text.split(",")]
+        else:
+            return []
+
+    def gather_stop_reply_pcs(self, post_startup_log_lines, thread_count):
+        results = self.gather_stop_reply_fields( post_startup_log_lines,
+                thread_count, ["threads", "thread-pcs"])
+        if not results:
+            return []
+
+        threads_text = results["threads"]
+        pcs_text = results["thread-pcs"]
+        thread_ids = threads_text.split(",")
+        pcs = pcs_text.split(",")
+        self.assertTrue(len(thread_ids) == len(pcs))
+
+        thread_pcs = dict()
+        for i in range(0, len(pcs)):
+            thread_pcs[int(thread_ids[i], 16)] = pcs[i]
+
+        result = dict()
+        result["thread_pcs"] = thread_pcs
+        result["pc_register"] = results["pc_register"]
+        result["little_endian"] = results["little_endian"]
+        return result
+
+    def switch_endian(self, egg):
+        return "".join(reversed(re.findall("..", egg)))
+
+    def parse_hw_info(self, context):
+        self.assertIsNotNone(context)
+        process_info = self.parse_process_info_response(context)
+        endian = process_info.get("endian")
+        reg_info = self.parse_register_info_packets(context)
+        (pc_lldb_reg_index, pc_reg_info) = self.find_pc_reg_info(reg_info)
+
+        hw_info = dict()
+        hw_info["pc_register"] = pc_lldb_reg_index
+        hw_info["little_endian"] = (endian == "little")
+        return hw_info
+
+    def gather_threads_info_pcs(self, pc_register, little_endian):
+        self.reset_test_sequence()
+        self.test_sequence.add_log_lines(
+                [
+                    "read packet: $jThreadsInfo#c1",
+                    {
+                        "direction": "send",
+                        "regex": r"^\$(.*)#[0-9a-fA-F]{2}$",
+                        "capture": {
+                            1: "threads_info"}},
+                ],
+                True)
+
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+        threads_info = context.get("threads_info")
+        register = str(pc_register)
+        # The jThreadsInfo response is not valid JSON data, so we have to
+        # clean it up first.
+        jthreads_info = json.loads(re.sub(r"}]", "}", threads_info))
+        thread_pcs = dict()
+        for thread_info in jthreads_info:
+            tid = thread_info["tid"]
+            pc = thread_info["registers"][register]
+            thread_pcs[tid] = self.switch_endian(pc) if little_endian else pc
+
+        return thread_pcs
+
+    def QListThreadsInStopReply_supported(self):
+        procs = self.prep_debug_monitor_and_inferior()
+        self.test_sequence.add_log_lines(
+            self.ENABLE_THREADS_IN_STOP_REPLY_ENTRIES, True)
+
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+
+    @skipIfDarwinEmbedded # <rdar://problem/34539270> lldb-server tests not updated to work on ios etc yet
+    @debugserver_test
+    def test_QListThreadsInStopReply_supported_debugserver(self):
+        self.init_debugserver_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.QListThreadsInStopReply_supported()
+
+    @llgs_test
+    def test_QListThreadsInStopReply_supported_llgs(self):
+        self.init_llgs_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.QListThreadsInStopReply_supported()
+
+    def stop_reply_reports_multiple_threads(self, thread_count):
+        # Gather threads from stop notification when QThreadsInStopReply is
+        # enabled.
+        stop_reply_threads = self.gather_stop_reply_threads(
+            self.ENABLE_THREADS_IN_STOP_REPLY_ENTRIES, thread_count)
+        self.assertEqual(len(stop_reply_threads), thread_count)
+
+    @skipIfDarwinEmbedded # <rdar://problem/34539270> lldb-server tests not updated to work on ios etc yet
+    @debugserver_test
+    def test_stop_reply_reports_multiple_threads_debugserver(self):
+        self.init_debugserver_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.stop_reply_reports_multiple_threads(5)
+
+    # In current implementation of llgs on Windows, as a response to '\x03' packet, the debugger
+    # of the native process will trigger a call to DebugBreakProcess that will create a new thread
+    # to handle the exception debug event. So one more stop thread will be notified to the
+    # delegate, e.g. llgs.  So tests below to assert the stop threads number will all fail.
+    @expectedFailureAll(oslist=["windows"])
+    @skipIfNetBSD
+    @llgs_test
+    def test_stop_reply_reports_multiple_threads_llgs(self):
+        self.init_llgs_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.stop_reply_reports_multiple_threads(5)
+
+    def no_QListThreadsInStopReply_supplies_no_threads(self, thread_count):
+        # Gather threads from stop notification when QThreadsInStopReply is not
+        # enabled.
+        stop_reply_threads = self.gather_stop_reply_threads(None, thread_count)
+        self.assertEqual(len(stop_reply_threads), 0)
+
+    @skipIfDarwinEmbedded # <rdar://problem/34539270> lldb-server tests not updated to work on ios etc yet
+    @debugserver_test
+    def test_no_QListThreadsInStopReply_supplies_no_threads_debugserver(self):
+        self.init_debugserver_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.no_QListThreadsInStopReply_supplies_no_threads(5)
+
+    @expectedFailureAll(oslist=["windows"])
+    @skipIfNetBSD
+    @llgs_test
+    def test_no_QListThreadsInStopReply_supplies_no_threads_llgs(self):
+        self.init_llgs_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.no_QListThreadsInStopReply_supplies_no_threads(5)
+
+    def stop_reply_reports_correct_threads(self, thread_count):
+        # Gather threads from stop notification when QThreadsInStopReply is
+        # enabled.
+        stop_reply_threads = self.gather_stop_reply_threads(
+            self.ENABLE_THREADS_IN_STOP_REPLY_ENTRIES, thread_count)
+        self.assertEqual(len(stop_reply_threads), thread_count)
+
+        # Gather threads from q{f,s}ThreadInfo.
+        self.reset_test_sequence()
+        self.add_threadinfo_collection_packets()
+
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+
+        threads = self.parse_threadinfo_packets(context)
+        self.assertIsNotNone(threads)
+        self.assertEqual(len(threads), thread_count)
+
+        # Ensure each thread in q{f,s}ThreadInfo appears in stop reply threads
+        for tid in threads:
+            self.assertTrue(tid in stop_reply_threads)
+
+    @skipIfDarwinEmbedded # <rdar://problem/34539270> lldb-server tests not updated to work on ios etc yet
+    @debugserver_test
+    def test_stop_reply_reports_correct_threads_debugserver(self):
+        self.init_debugserver_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.stop_reply_reports_correct_threads(5)
+
+    @expectedFailureAll(oslist=["windows"])
+    @skipIfNetBSD
+    @llgs_test
+    def test_stop_reply_reports_correct_threads_llgs(self):
+        self.init_llgs_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.stop_reply_reports_correct_threads(5)
+
+    def stop_reply_contains_thread_pcs(self, thread_count):
+        results = self.gather_stop_reply_pcs(
+                self.ENABLE_THREADS_IN_STOP_REPLY_ENTRIES, thread_count)
+        stop_reply_pcs = results["thread_pcs"]
+        pc_register = results["pc_register"]
+        little_endian = results["little_endian"]
+        self.assertEqual(len(stop_reply_pcs), thread_count)
+
+        threads_info_pcs = self.gather_threads_info_pcs(pc_register,
+                little_endian)
+
+        self.assertEqual(len(threads_info_pcs), thread_count)
+        for thread_id in stop_reply_pcs:
+            self.assertTrue(thread_id in threads_info_pcs)
+            self.assertTrue(int(stop_reply_pcs[thread_id], 16)
+                    == int(threads_info_pcs[thread_id], 16))
+
+    @expectedFailureAll(oslist=["windows"])
+    @skipIfNetBSD
+    @llgs_test
+    def test_stop_reply_contains_thread_pcs_llgs(self):
+        self.init_llgs_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.stop_reply_contains_thread_pcs(5)
+
+    @skipIfDarwinEmbedded # <rdar://problem/34539270> lldb-server tests not updated to work on ios etc yet
+    @debugserver_test
+    def test_stop_reply_contains_thread_pcs_debugserver(self):
+        self.init_debugserver_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.stop_reply_contains_thread_pcs(5)