Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

3 files changed, 127 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/Makefile
new file mode 100644
index 00000000000..edb53da7b8e
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/Makefile
@@ -0,0 +1,3 @@
+CXX_SOURCES := exceptions.cpp
+
+include Makefile.rules
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/TestCPPExceptionBreakpoints.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/TestCPPExceptionBreakpoints.py
new file mode 100644
index 00000000000..e888958987a
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/TestCPPExceptionBreakpoints.py
@@ -0,0 +1,82 @@
+"""
+Test lldb exception breakpoint command for CPP.
+"""
+
+
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class CPPBreakpointTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        self.source = 'exceptions.cpp'
+        self.catch_line = line_number(
+            self.source, '// This is the line you should stop at for catch')
+
+    @expectedFailureAll(
+        oslist=["windows"],
+        bugnumber="llvm.org/pr24538, clang-cl does not support throw or catch")
+    @expectedFailureNetBSD
+    def test(self):
+        """Test lldb exception breakpoint command for CPP."""
+        self.build()
+        exe = self.getBuildArtifact("a.out")
+
+        # Create a target from the debugger.
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        exception_bkpt = target.BreakpointCreateForException(
+            lldb.eLanguageTypeC_plus_plus, True, True)
+        self.assertTrue(exception_bkpt, "Made an exception breakpoint")
+
+        # Now run, and make sure we hit our breakpoint:
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+        self.assertTrue(process, "Got a valid process")
+
+        stopped_threads = []
+        stopped_threads = lldbutil.get_threads_stopped_at_breakpoint(
+            process, exception_bkpt)
+        self.assertTrue(
+            len(stopped_threads) == 1,
+            "Stopped at our exception breakpoint.")
+        thread = stopped_threads[0]
+        # Make sure our throw function is still above us on the stack:
+
+        frame_functions = lldbutil.get_function_names(thread)
+        self.assertTrue(
+            frame_functions.count("throws_exception_on_even(int)") == 1,
+            "Our throw function is still on the stack.")
+
+        # Okay we hit our exception throw breakpoint, now make sure we get our catch breakpoint.
+        # One potential complication is that we might hit a couple of the exception breakpoints in getting out of the throw.
+        # so loop till we don't see the throws function on the stack.  We should stop one more time for our exception breakpoint
+        # and that should be the catch...
+
+        while frame_functions.count("throws_exception_on_even(int)") == 1:
+            stopped_threads = lldbutil.continue_to_breakpoint(
+                process, exception_bkpt)
+            self.assertTrue(len(stopped_threads) == 1)
+
+            thread = stopped_threads[0]
+            frame_functions = lldbutil.get_function_names(thread)
+
+        self.assertTrue(
+            frame_functions.count("throws_exception_on_even(int)") == 0,
+            "At catch our throw function is off the stack")
+        self.assertTrue(
+            frame_functions.count("intervening_function(int)") == 0,
+            "At catch our intervening function is off the stack")
+        self.assertTrue(
+            frame_functions.count("catches_exception(int)") == 1,
+            "At catch our catch function is on the stack")
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/exceptions.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/exceptions.cpp
new file mode 100644
index 00000000000..150d420b241
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/exceptions/exceptions.cpp
@@ -0,0 +1,42 @@
+#include <exception>
+#include <stdio.h>
+
+int throws_exception_on_even (int value);
+int intervening_function (int value);
+int catches_exception (int value);
+
+int
+catches_exception (int value)
+{
+    try
+    {
+        return intervening_function(value); // This is the line you should stop at for catch
+    }
+    catch (int value)
+    {
+        return value;  
+    }
+}
+
+int 
+intervening_function (int value)
+{
+    return throws_exception_on_even (2 * value);
+}
+
+int
+throws_exception_on_even (int value)
+{
+    printf ("Mod two works: %d.\n", value%2);
+    if (value % 2 == 0)
+        throw 30;
+    else
+        return value;
+}
+
+int 
+main ()
+{
+    catches_exception (10); // Stop here
+    return 5;
+}