xref: /llvm-project/lldb/tools/lldb-server/lldb-server.cpp (revision b9c1b51e45b845debb76d8658edabca70ca56079)
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 "lldb/Initialization/SystemInitializerCommon.h"
11 #include "lldb/Initialization/SystemLifetimeManager.h"
12 #include "lldb/lldb-private.h"
13 
14 #include "llvm/ADT/STLExtras.h"
15 #include "llvm/Support/ManagedStatic.h"
16 
17 #include <stdio.h>
18 #include <stdlib.h>
19 
20 static llvm::ManagedStatic<lldb_private::SystemLifetimeManager>
21     g_debugger_lifetime;
22 
23 static void display_usage(const char *progname) {
24   fprintf(stderr, "Usage:\n"
25                   "  %s v[ersion]\n"
26                   "  %s g[dbserver] [options]\n"
27                   "  %s p[latform] [options]\n"
28                   "Invoke subcommand for additional help\n",
29           progname, progname, progname);
30   exit(0);
31 }
32 
33 // Forward declarations of subcommand main methods.
34 int main_gdbserver(int argc, char *argv[]);
35 int main_platform(int argc, char *argv[]);
36 
37 static void initialize() {
38   g_debugger_lifetime->Initialize(
39       llvm::make_unique<lldb_private::SystemInitializerCommon>(), nullptr);
40 }
41 
42 static void terminate() { g_debugger_lifetime->Terminate(); }
43 
44 //----------------------------------------------------------------------
45 // main
46 //----------------------------------------------------------------------
47 int main(int argc, char *argv[]) {
48   int option_error = 0;
49   const char *progname = argv[0];
50   if (argc < 2) {
51     display_usage(progname);
52     exit(option_error);
53   }
54 
55   switch (argv[1][0]) {
56   case 'g':
57     initialize();
58     main_gdbserver(argc, argv);
59     terminate();
60     break;
61   case 'p':
62     initialize();
63     main_platform(argc, argv);
64     terminate();
65     break;
66   case 'v':
67     fprintf(stderr, "%s\n", lldb_private::GetVersion());
68     break;
69   default:
70     display_usage(progname);
71     exit(option_error);
72   }
73 }
74