Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

4 files changed, 166 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/.categories b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/.categories
new file mode 100644
index 00000000000..c00c25822e4
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/.categories
@@ -0,0 +1 @@
+basic_process
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/Makefile
new file mode 100644
index 00000000000..10495940055
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/Makefile
@@ -0,0 +1,3 @@
+C_SOURCES := main.c
+
+include Makefile.rules
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/TestStepTarget.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/TestStepTarget.py
new file mode 100644
index 00000000000..7665b2f73b6
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/TestStepTarget.py
@@ -0,0 +1,122 @@
+"""Test the 'step target' feature."""
+
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestStepTarget(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line numbers that we will step to in main:
+        self.main_source = "main.c"
+        self.end_line = line_number(self.main_source, "All done")
+
+    @add_test_categories(['pyapi'])
+    def get_to_start(self):
+        self.build()
+        exe = self.getBuildArtifact("a.out")
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        self.main_source_spec = lldb.SBFileSpec(self.main_source)
+
+        break_in_main = target.BreakpointCreateBySourceRegex(
+            'Break here to try targetted stepping', self.main_source_spec)
+        self.assertTrue(break_in_main, VALID_BREAKPOINT)
+        self.assertGreater(break_in_main.GetNumLocations(), 0, "Has locations.")
+
+        # Now launch the process, and do not stop at entry point.
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # The stop reason of the thread should be breakpoint.
+        threads = lldbutil.get_threads_stopped_at_breakpoint(
+            process, break_in_main)
+
+        if len(threads) != 1:
+            self.fail("Failed to stop at first breakpoint in main.")
+
+        thread = threads[0]
+        return thread
+
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
+    def test_with_end_line(self):
+        """Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
+
+        thread = self.get_to_start()
+
+        error = lldb.SBError()
+        thread.StepInto("lotsOfArgs", self.end_line, error)
+        frame = thread.frames[0]
+
+        self.assertEqual(frame.name, "lotsOfArgs", "Stepped to lotsOfArgs.")
+
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
+    def test_with_end_line_bad_name(self):
+        """Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
+
+        thread = self.get_to_start()
+
+        error = lldb.SBError()
+        thread.StepInto("lotsOfArgssss", self.end_line, error)
+        frame = thread.frames[0]
+        self.assertEqual(frame.line_entry.line, self.end_line,
+            "Stepped to the block end.")
+
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
+    def test_with_end_line_deeper(self):
+        """Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
+
+        thread = self.get_to_start()
+
+        error = lldb.SBError()
+        thread.StepInto("modifyInt", self.end_line, error)
+        frame = thread.frames[0]
+        self.assertEqual(frame.name, "modifyInt", "Stepped to modifyInt.")
+
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
+    def test_with_command_and_block(self):
+        """Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
+
+        thread = self.get_to_start()
+
+        result = lldb.SBCommandReturnObject()
+        self.dbg.GetCommandInterpreter().HandleCommand(
+            'thread step-in -t "lotsOfArgs" -e block', result)
+        self.assertTrue(
+            result.Succeeded(),
+            "thread step-in command succeeded.")
+
+        frame = thread.frames[0]
+        self.assertEqual(frame.name, "lotsOfArgs", "Stepped to lotsOfArgs.")
+
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
+    def test_with_command_and_block_and_bad_name(self):
+        """Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
+
+        thread = self.get_to_start()
+
+        result = lldb.SBCommandReturnObject()
+        self.dbg.GetCommandInterpreter().HandleCommand(
+            'thread step-in -t "lotsOfArgsssss" -e block', result)
+        self.assertTrue(
+            result.Succeeded(),
+            "thread step-in command succeeded.")
+
+        frame = thread.frames[0]
+
+        self.assertEqual(frame.name, "main", "Stepped back out to main.")
+        # end_line is set to the line after the containing block.  Check that
+        # we got there:
+        self.assertEqual(frame.line_entry.line, self.end_line,
+            "Got out of the block")
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/main.c b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/main.c
new file mode 100644
index 00000000000..86a26c4d47a
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/step-target/main.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+
+void
+lotsOfArgs
+(
+  int firstArg,
+  int secondArg,
+  int thirdArg,
+  int fourthArg
+)
+{
+  printf ("First: %d Second: %d Third: %d Fourth: %d.\n",
+          firstArg,
+          secondArg,
+          thirdArg,
+          fourthArg);
+}
+
+int
+modifyInt(int incoming)
+{
+  return incoming % 2;
+}
+
+int
+main (int argc, char **argv)
+{
+  if (argc > 0)
+    {
+      int var_makes_block = argc + 1;
+      printf ("Break here to try targetted stepping.\n");
+      lotsOfArgs(var_makes_block,
+                 modifyInt(20),
+                 30,
+                 modifyInt(40));
+      printf ("Done calling lotsOfArgs.");
+    }
+  printf ("All done.\n");
+  return 0;
+}