lldb-server.cpp revision 360660 
1//===-- lldb-server.cpp -----------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "SystemInitializerLLGS.h"
10#include "lldb/Initialization/SystemLifetimeManager.h"
11#include "lldb/lldb-private.h"
12
13#include "llvm/ADT/STLExtras.h"
14#include "llvm/ADT/StringRef.h"
15#include "llvm/Support/ManagedStatic.h"
16#include "llvm/Support/PrettyStackTrace.h"
17#include "llvm/Support/Signals.h"
18
19#include <stdio.h>
20#include <stdlib.h>
21
22static llvm::ManagedStatic<lldb_private::SystemLifetimeManager>
23    g_debugger_lifetime;
24
25static void display_usage(const char *progname) {
26  fprintf(stderr, "Usage:\n"
27                  "  %s v[ersion]\n"
28                  "  %s g[dbserver] [options]\n"
29                  "  %s p[latform] [options]\n"
30                  "Invoke subcommand for additional help\n",
31          progname, progname, progname);
32  exit(0);
33}
34
35// Forward declarations of subcommand main methods.
36int main_gdbserver(int argc, char *argv[]);
37int main_platform(int argc, char *argv[]);
38
39namespace llgs {
40static void initialize() {
41  if (auto e = g_debugger_lifetime->Initialize(
42          llvm::make_unique<SystemInitializerLLGS>(), nullptr))
43    llvm::consumeError(std::move(e));
44}
45
46static void terminate_debugger() { g_debugger_lifetime->Terminate(); }
47} // namespace llgs
48
49// main
50int main(int argc, char *argv[]) {
51  llvm::StringRef ToolName = argv[0];
52  llvm::sys::PrintStackTraceOnErrorSignal(ToolName);
53  llvm::PrettyStackTraceProgram X(argc, argv);
54
55  int option_error = 0;
56  const char *progname = argv[0];
57  if (argc < 2) {
58    display_usage(progname);
59    exit(option_error);
60  }
61
62  switch (argv[1][0]) {
63  case 'g':
64    llgs::initialize();
65    main_gdbserver(argc, argv);
66    llgs::terminate_debugger();
67    break;
68  case 'p':
69    llgs::initialize();
70    main_platform(argc, argv);
71    llgs::terminate_debugger();
72    break;
73  case 'v':
74    fprintf(stderr, "%s\n", lldb_private::GetVersion());
75    break;
76  default:
77    display_usage(progname);
78    exit(option_error);
79  }
80}
81