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 "lldb/Initialization/SystemLifetimeManager.h"
  11 #include "lldb/Initialization/SystemInitializerCommon.h"
  12
  13 #include "llvm/ADT/STLExtras.h"
  14 #include "llvm/Support/ManagedStatic.h"
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18
  19 static llvm::ManagedStatic<lldb_private::SystemLifetimeManager> g_debugger_lifetime;
  20
  21 static void
  22 display_usage (const char *progname)
  23 {
  24     fprintf(stderr, "Usage:\n"
  25             "  %s g[dbserver] [options]\n"
  26             "  %s p[latform] [options]\n"
  27             "Invoke subcommand for additional help\n", progname, progname);
  28     exit(0);
  29 }
  30
  31 // Forward declarations of subcommand main methods.
  32 int main_gdbserver (int argc, char *argv[]);
  33 int main_platform (int argc, char *argv[]);
  34
  35 static void
  36 initialize ()
  37 {
  38     g_debugger_lifetime->Initialize(llvm::make_unique<lldb_private::SystemInitializerCommon>(), nullptr);
  39 }
  40
  41 static void
  42 terminate ()
  43 {
  44     g_debugger_lifetime->Terminate();
  45 }
  46
  47 //----------------------------------------------------------------------
  48 // main
  49 //----------------------------------------------------------------------
  50 int
  51 main (int argc, char *argv[])
  52 {
  53     int option_error = 0;
  54     const char *progname = argv[0];
  55     if (argc < 2)
  56     {
  57         display_usage(progname);
  58         exit(option_error);
  59     }
  60     else if (argv[1][0] == 'g')
  61     {
  62         initialize();
  63         main_gdbserver(argc, argv);
  64         terminate();
  65     }
  66     else if (argv[1][0] == 'p')
  67     {
  68         initialize();
  69         main_platform(argc, argv);
  70         terminate();
  71     }
  72     else {
  73         display_usage(progname);
  74         exit(option_error);
  75     }
  76 }