Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

3 files changed, 372 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/Makefile
new file mode 100644
index 00000000000..3d0b98f13f3
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/Makefile
@@ -0,0 +1,2 @@
+CXX_SOURCES := main.cpp
+include Makefile.rules
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/TestThreadStates.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/TestThreadStates.py
new file mode 100644
index 00000000000..60938088c9a
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/TestThreadStates.py
@@ -0,0 +1,326 @@
+"""
+Test thread states.
+"""
+
+
+
+import unittest2
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class ThreadStateTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @expectedFailureAll(
+        oslist=["linux"],
+        bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237>
+    @expectedFailureAll(
+        oslist=["freebsd"],
+        bugnumber="llvm.org/pr18190 thread states not properly maintained")
+    @expectedFailureNetBSD
+    def test_state_after_breakpoint(self):
+        """Test thread state after breakpoint."""
+        self.build(dictionary=self.getBuildFlags(use_cpp11=False))
+        self.thread_state_after_breakpoint_test()
+
+    @skipIfDarwin  # 'llvm.org/pr23669', cause Python crash randomly
+    @expectedFailureAll(
+        oslist=lldbplatformutil.getDarwinOSTriples(),
+        bugnumber="llvm.org/pr23669")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr15824")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24660")
+    def test_state_after_continue(self):
+        """Test thread state after continue."""
+        self.build(dictionary=self.getBuildFlags(use_cpp11=False))
+        self.thread_state_after_continue_test()
+
+    @skipIfDarwin  # 'llvm.org/pr23669', cause Python crash randomly
+    @expectedFailureDarwin('llvm.org/pr23669')
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24660")
+    @expectedFailureNetBSD
+    # thread states not properly maintained
+    @unittest2.expectedFailure("llvm.org/pr16712")
+    def test_state_after_expression(self):
+        """Test thread state after expression."""
+        self.build(dictionary=self.getBuildFlags(use_cpp11=False))
+        self.thread_state_after_expression_test()
+
+    # thread states not properly maintained
+    @unittest2.expectedFailure("llvm.org/pr15824 and <rdar://problem/28557237>")
+    @expectedFailureAll(
+        oslist=["windows"],
+        bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
+    @skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237>
+    @expectedFailureNetBSD
+    def test_process_state(self):
+        """Test thread states (comprehensive)."""
+        self.build(dictionary=self.getBuildFlags(use_cpp11=False))
+        self.thread_states_test()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line numbers for our breakpoints.
+        self.break_1 = line_number('main.cpp', '// Set first breakpoint here')
+        self.break_2 = line_number('main.cpp', '// Set second breakpoint here')
+
+    def thread_state_after_breakpoint_test(self):
+        """Test thread state after breakpoint."""
+        exe = self.getBuildArtifact("a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # This should create a breakpoint in the main thread.
+        bp = lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.break_1, num_expected_locations=1)
+
+        # Run the program.
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # Get the target process
+        target = self.dbg.GetSelectedTarget()
+        process = target.GetProcess()
+
+        thread = lldbutil.get_stopped_thread(
+            process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
+
+        # Make sure the thread is in the stopped state.
+        self.assertTrue(
+            thread.IsStopped(),
+            "Thread state isn't \'stopped\' during breakpoint 1.")
+        self.assertFalse(thread.IsSuspended(),
+                         "Thread state is \'suspended\' during breakpoint 1.")
+
+        # Kill the process
+        self.runCmd("process kill")
+
+    def wait_for_running_event(self, process):
+        listener = self.dbg.GetListener()
+        if lldb.remote_platform:
+            lldbutil.expect_state_changes(
+                self, listener, process, [
+                    lldb.eStateConnected])
+        lldbutil.expect_state_changes(
+            self, listener, process, [
+                lldb.eStateRunning])
+
+    def thread_state_after_continue_test(self):
+        """Test thread state after continue."""
+        exe = self.getBuildArtifact("a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # This should create a breakpoint in the main thread.
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.break_1, num_expected_locations=1)
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.break_2, num_expected_locations=1)
+
+        # Run the program.
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # Get the target process
+        target = self.dbg.GetSelectedTarget()
+        process = target.GetProcess()
+
+        thread = lldbutil.get_stopped_thread(
+            process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
+
+        # Continue, the inferior will go into an infinite loop waiting for
+        # 'g_test' to change.
+        self.dbg.SetAsync(True)
+        self.runCmd("continue")
+        self.wait_for_running_event(process)
+
+        # Check the thread state. It should be running.
+        self.assertFalse(
+            thread.IsStopped(),
+            "Thread state is \'stopped\' when it should be running.")
+        self.assertFalse(
+            thread.IsSuspended(),
+            "Thread state is \'suspended\' when it should be running.")
+
+        # Go back to synchronous interactions
+        self.dbg.SetAsync(False)
+
+        # Kill the process
+        self.runCmd("process kill")
+
+    def thread_state_after_expression_test(self):
+        """Test thread state after expression."""
+        exe = self.getBuildArtifact("a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # This should create a breakpoint in the main thread.
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.break_1, num_expected_locations=1)
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.break_2, num_expected_locations=1)
+
+        # Run the program.
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # Get the target process
+        target = self.dbg.GetSelectedTarget()
+        process = target.GetProcess()
+
+        thread = lldbutil.get_stopped_thread(
+            process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
+
+        # Get the inferior out of its loop
+        self.runCmd("expression g_test = 1")
+
+        # Check the thread state
+        self.assertTrue(
+            thread.IsStopped(),
+            "Thread state isn't \'stopped\' after expression evaluation.")
+        self.assertFalse(
+            thread.IsSuspended(),
+            "Thread state is \'suspended\' after expression evaluation.")
+
+        # Let the process run to completion
+        self.runCmd("process continue")
+
+    @expectedFailureAll(
+        oslist=["windows"],
+        bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
+    @skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237>
+    @no_debug_info_test
+    def test_process_interrupt(self):
+        """Test process interrupt and continue."""
+        self.build(dictionary=self.getBuildFlags(use_cpp11=False))
+        exe = self.getBuildArtifact("a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # This should create a breakpoint in the main thread.
+        bpno = lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.break_1, num_expected_locations=1)
+
+        # Run the program.
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # Get the target process
+        target = self.dbg.GetSelectedTarget()
+        process = target.GetProcess()
+
+        thread = lldbutil.get_stopped_thread(
+            process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
+
+        # Remove the breakpoint to avoid the single-step-over-bkpt dance in the
+        # "continue" below
+        self.assertTrue(target.BreakpointDelete(bpno))
+
+        # Continue, the inferior will go into an infinite loop waiting for
+        # 'g_test' to change.
+        self.dbg.SetAsync(True)
+        self.runCmd("continue")
+        self.wait_for_running_event(process)
+
+        # Go back to synchronous interactions
+        self.dbg.SetAsync(False)
+
+        # Stop the process
+        self.runCmd("process interrupt")
+
+        self.assertEqual(thread.GetStopReason(), lldb.eStopReasonSignal)
+
+        # Get the inferior out of its loop
+        self.runCmd("expression g_test = 1")
+
+        # Run to completion
+        self.runCmd("continue")
+
+    def thread_states_test(self):
+        """Test thread states (comprehensive)."""
+        exe = self.getBuildArtifact("a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # This should create a breakpoint in the main thread.
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.break_1, num_expected_locations=1)
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.break_2, num_expected_locations=1)
+
+        # Run the program.
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # Get the target process
+        target = self.dbg.GetSelectedTarget()
+        process = target.GetProcess()
+        thread = lldbutil.get_stopped_thread(
+            process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
+
+        # Make sure the thread is in the stopped state.
+        self.assertTrue(
+            thread.IsStopped(),
+            "Thread state isn't \'stopped\' during breakpoint 1.")
+        self.assertFalse(thread.IsSuspended(),
+                         "Thread state is \'suspended\' during breakpoint 1.")
+
+        # Continue, the inferior will go into an infinite loop waiting for
+        # 'g_test' to change.
+        self.dbg.SetAsync(True)
+        self.runCmd("continue")
+        self.wait_for_running_event(process)
+
+        # Check the thread state. It should be running.
+        self.assertFalse(
+            thread.IsStopped(),
+            "Thread state is \'stopped\' when it should be running.")
+        self.assertFalse(
+            thread.IsSuspended(),
+            "Thread state is \'suspended\' when it should be running.")
+
+        # Go back to synchronous interactions
+        self.dbg.SetAsync(False)
+
+        # Stop the process
+        self.runCmd("process interrupt")
+
+        self.assertEqual(thread.GetState(), lldb.eStopReasonSignal)
+
+        # Check the thread state
+        self.assertTrue(
+            thread.IsStopped(),
+            "Thread state isn't \'stopped\' after process stop.")
+        self.assertFalse(thread.IsSuspended(),
+                         "Thread state is \'suspended\' after process stop.")
+
+        # Get the inferior out of its loop
+        self.runCmd("expression g_test = 1")
+
+        # Check the thread state
+        self.assertTrue(
+            thread.IsStopped(),
+            "Thread state isn't \'stopped\' after expression evaluation.")
+        self.assertFalse(
+            thread.IsSuspended(),
+            "Thread state is \'suspended\' after expression evaluation.")
+
+        self.assertEqual(thread.GetState(), lldb.eStopReasonSignal)
+
+        # Run to breakpoint 2
+        self.runCmd("continue")
+
+        self.assertEqual(thread.GetState(), lldb.eStopReasonBreakpoint)
+
+        # Make sure both threads are stopped
+        self.assertTrue(
+            thread.IsStopped(),
+            "Thread state isn't \'stopped\' during breakpoint 2.")
+        self.assertFalse(thread.IsSuspended(),
+                         "Thread state is \'suspended\' during breakpoint 2.")
+
+        # Run to completion
+        self.runCmd("continue")
+
+        # At this point, the inferior process should have exited.
+        self.assertEqual(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/main.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/main.cpp
new file mode 100644
index 00000000000..63b50494bd0
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/thread/state/main.cpp
@@ -0,0 +1,44 @@
+//===-- main.cpp ------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// This test is intended to verify that thread states are properly maintained
+// when transitional actions are performed in the debugger.  Most of the logic
+// is in the test script.  This program merely provides places where the test
+// can create the intended states.
+
+#include <chrono>
+#include <thread>
+
+volatile int g_test = 0;
+
+int addSomething(int a)
+{
+    return a + g_test;
+}
+
+int doNothing()
+{
+    int temp = 0;   // Set first breakpoint here
+
+    while (!g_test && temp < 5)
+    {
+        ++temp;
+        std::this_thread::sleep_for(std::chrono::seconds(2));
+    }
+
+    return temp;    // Set second breakpoint here
+}
+
+int main ()
+{
+    int result = doNothing();
+
+    int i = addSomething(result);
+
+    return 0;
+}