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/Version/Version.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 <cstdio> 21 #include <cstdlib> 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 namespace llgs { 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 47 static void terminate_debugger() { g_debugger_lifetime->Terminate(); } 48 } // namespace llgs 49 50 // main 51 int main(int argc, char *argv[]) { 52 llvm::InitLLVM IL(argc, argv, /*InstallPipeSignalExitHandler=*/false); 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