Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 82 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/tools/lldb-server/lldb-server.cpp b/gnu/llvm/lldb/tools/lldb-server/lldb-server.cpp
new file mode 100644
index 00000000000..749a381ebca
--- /dev/null
+++ b/gnu/llvm/lldb/tools/lldb-server/lldb-server.cpp
@@ -0,0 +1,82 @@
+//===-- lldb-server.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
+//
+//===----------------------------------------------------------------------===//
+
+#include "SystemInitializerLLGS.h"
+#include "lldb/Initialization/SystemLifetimeManager.h"
+#include "lldb/lldb-private.h"
+
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/InitLLVM.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static llvm::ManagedStatic<lldb_private::SystemLifetimeManager>
+    g_debugger_lifetime;
+
+static void display_usage(const char *progname) {
+  fprintf(stderr, "Usage:\n"
+                  "  %s v[ersion]\n"
+                  "  %s g[dbserver] [options]\n"
+                  "  %s p[latform] [options]\n"
+                  "Invoke subcommand for additional help\n",
+          progname, progname, progname);
+  exit(0);
+}
+
+// Forward declarations of subcommand main methods.
+int main_gdbserver(int argc, char *argv[]);
+int main_platform(int argc, char *argv[]);
+
+namespace llgs {
+static void initialize() {
+  if (auto e = g_debugger_lifetime->Initialize(
+          std::make_unique<SystemInitializerLLGS>(), nullptr))
+    llvm::consumeError(std::move(e));
+}
+
+static void terminate_debugger() { g_debugger_lifetime->Terminate(); }
+} // namespace llgs
+
+// main
+int main(int argc, char *argv[]) {
+  llvm::InitLLVM IL(argc, argv, /*InstallPipeSignalExitHandler=*/false);
+  llvm::StringRef ToolName = argv[0];
+  llvm::sys::PrintStackTraceOnErrorSignal(ToolName);
+  llvm::PrettyStackTraceProgram X(argc, argv);
+
+  int option_error = 0;
+  const char *progname = argv[0];
+  if (argc < 2) {
+    display_usage(progname);
+    exit(option_error);
+  }
+
+  switch (argv[1][0]) {
+  case 'g':
+    llgs::initialize();
+    main_gdbserver(argc, argv);
+    llgs::terminate_debugger();
+    break;
+  case 'p':
+    llgs::initialize();
+    main_platform(argc, argv);
+    llgs::terminate_debugger();
+    break;
+  case 'v':
+    fprintf(stderr, "%s\n", lldb_private::GetVersion());
+    break;
+  default:
+    display_usage(progname);
+    exit(option_error);
+  }
+}