contrib/llvm/tools/lldb/tools/lldb-server/lldb-server.cpp

   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   g_debugger_lifetime->Initialize(llvm::make_unique<SystemInitializerLLGS>(),
  42                                   nullptr);
  43 }
  44
  45 static void terminate() { g_debugger_lifetime->Terminate(); }
  46
  47 //----------------------------------------------------------------------
  48 // main
  49 //----------------------------------------------------------------------
  50 int 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     initialize();
  65     main_gdbserver(argc, argv);
  66     terminate();
  67     break;
  68   case 'p':
  69     initialize();
  70     main_platform(argc, argv);
  71     terminate();
  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 }