Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

3 files changed, 98 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/Makefile
new file mode 100644
index 00000000000..10495940055
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/Makefile
@@ -0,0 +1,3 @@
+C_SOURCES := main.c
+
+include Makefile.rules
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/TestHandleAbort.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/TestHandleAbort.py
new file mode 100644
index 00000000000..5f3eb31c83a
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/TestHandleAbort.py
@@ -0,0 +1,70 @@
+"""Test that we can unwind out of a SIGABRT handler"""
+
+
+
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class HandleAbortTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    NO_DEBUG_INFO_TESTCASE = True
+
+    @skipIfWindows  # signals do not exist on Windows
+    @expectedFailureNetBSD
+    def test_inferior_handle_sigabrt(self):
+        """Inferior calls abort() and handles the resultant SIGABRT.
+           Stopped at a breakpoint in the handler, verify that the backtrace
+           includes the function that called abort()."""
+        self.build()
+        exe = self.getBuildArtifact("a.out")
+
+        # Create a target by the debugger.
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # launch
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+        self.assertTrue(process, PROCESS_IS_VALID)
+        self.assertEqual(process.GetState(), lldb.eStateStopped)
+        signo = process.GetUnixSignals().GetSignalNumberFromName("SIGABRT")
+
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonSignal)
+        self.assertTrue(
+            thread and thread.IsValid(),
+            "Thread should be stopped due to a signal")
+        self.assertTrue(
+            thread.GetStopReasonDataCount() >= 1,
+            "There should be data in the event.")
+        self.assertEqual(thread.GetStopReasonDataAtIndex(0),
+                         signo, "The stop signal should be SIGABRT")
+
+        # Continue to breakpoint in abort handler
+        bkpt = target.FindBreakpointByID(
+            lldbutil.run_break_set_by_source_regexp(self, "Set a breakpoint here"))
+        threads = lldbutil.continue_to_breakpoint(process, bkpt)
+        self.assertEqual(len(threads), 1, "Expected single thread")
+        thread = threads[0]
+
+        # Expect breakpoint in 'handler'
+        frame = thread.GetFrameAtIndex(0)
+        self.assertEqual(frame.GetDisplayFunctionName(), "handler", "Unexpected break?")
+
+        # Expect that unwinding should find 'abort_caller'
+        foundFoo = False
+        for frame in thread:
+            if frame.GetDisplayFunctionName() == "abort_caller":
+                foundFoo = True
+
+        self.assertTrue(foundFoo, "Unwinding did not find func that called abort")
+
+        # Continue until we exit.
+        process.Continue()
+        self.assertEqual(process.GetState(), lldb.eStateExited)
+        self.assertEqual(process.GetExitStatus(), 0)
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/main.c b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/main.c
new file mode 100644
index 00000000000..c2daea1e84e
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/signal/handle-abrt/main.c
@@ -0,0 +1,25 @@
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void handler(int sig)
+{
+    printf("Set a breakpoint here.\n");
+    exit(0);
+}
+
+void abort_caller() {
+    abort();
+}
+
+int main()
+{
+    if (signal(SIGABRT, handler) == SIG_ERR)
+    {
+        perror("signal");
+        return 1;
+    }
+
+    abort_caller();
+    return 2;
+}