1 //===-- lldb-server.cpp -----------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "SystemInitializerLLGS.h"
11 #include "lldb/Initialization/SystemLifetimeManager.h"
12 #include "lldb/lldb-private.h"
13 
14 #include "llvm/ADT/STLExtras.h"
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/Support/ManagedStatic.h"
17 #include "llvm/Support/PrettyStackTrace.h"
18 #include "llvm/Support/Signals.h"
19 
20 #include <stdio.h>
21 #include <stdlib.h>
22 
23 static llvm::ManagedStatic<lldb_private::SystemLifetimeManager>
24     g_debugger_lifetime;
25 
26 static void display_usage(const char *progname) {
27   fprintf(stderr, "Usage:\n"
28                   "  %s v[ersion]\n"
29                   "  %s g[dbserver] [options]\n"
30                   "  %s p[latform] [options]\n"
31                   "Invoke subcommand for additional help\n",
32           progname, progname, progname);
33   exit(0);
34 }
35 
36 // Forward declarations of subcommand main methods.
37 int main_gdbserver(int argc, char *argv[]);
38 int main_platform(int argc, char *argv[]);
39 
40 static void initialize() {
41   if (auto e = g_debugger_lifetime->Initialize(
42           llvm::make_unique<SystemInitializerLLGS>(), {}, nullptr))
43     llvm::consumeError(std::move(e));
44 }
45 
46 static void terminate() { g_debugger_lifetime->Terminate(); }
47 
48 //----------------------------------------------------------------------
49 // main
50 //----------------------------------------------------------------------
51 int main(int argc, char *argv[]) {
52   llvm::StringRef ToolName = argv[0];
53   llvm::sys::PrintStackTraceOnErrorSignal(ToolName);
54   llvm::PrettyStackTraceProgram X(argc, argv);
55 
56   int option_error = 0;
57   const char *progname = argv[0];
58   if (argc < 2) {
59     display_usage(progname);
60     exit(option_error);
61   }
62 
63   switch (argv[1][0]) {
64   case 'g':
65     initialize();
66     main_gdbserver(argc, argv);
67     terminate();
68     break;
69   case 'p':
70     initialize();
71     main_platform(argc, argv);
72     terminate();
73     break;
74   case 'v':
75     fprintf(stderr, "%s\n", lldb_private::GetVersion());
76     break;
77   default:
78     display_usage(progname);
79     exit(option_error);
80   }
81 }
82