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/InitLLVM.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
display_usage(const char * progname)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 namespace llgs {
initialize()41 static void initialize() {
42 if (auto e = g_debugger_lifetime->Initialize(
43 std::make_unique<SystemInitializerLLGS>(), nullptr))
44 llvm::consumeError(std::move(e));
45 }
46
terminate_debugger()47 static void terminate_debugger() { g_debugger_lifetime->Terminate(); }
48 } // namespace llgs
49
50 // main
main(int argc,char * argv[])51 int main(int argc, char *argv[]) {
52 llvm::InitLLVM IL(argc, argv, /*InstallPipeSignalExitHandler=*/false);
53 llvm::StringRef ToolName = argv[0];
54 llvm::sys::PrintStackTraceOnErrorSignal(ToolName);
55 llvm::PrettyStackTraceProgram X(argc, argv);
56
57 int option_error = 0;
58 const char *progname = argv[0];
59 if (argc < 2) {
60 display_usage(progname);
61 exit(option_error);
62 }
63
64 switch (argv[1][0]) {
65 case 'g':
66 llgs::initialize();
67 main_gdbserver(argc, argv);
68 llgs::terminate_debugger();
69 break;
70 case 'p':
71 llgs::initialize();
72 main_platform(argc, argv);
73 llgs::terminate_debugger();
74 break;
75 case 'v':
76 fprintf(stderr, "%s\n", lldb_private::GetVersion());
77 break;
78 default:
79 display_usage(progname);
80 exit(option_error);
81 }
82 }
83