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

81 lines
2.2 KiB
C++

//===-- lldb-server.cpp -----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "SystemInitializerLLGS.h"
#include "lldb/Initialization/SystemLifetimeManager.h"
#include "lldb/Version/Version.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include <cstdio>
#include <cstdlib>
static llvm::ManagedStatic<lldb_private::SystemLifetimeManager>
g_debugger_lifetime;
static void display_usage(const char *progname) {
fprintf(stderr, "Usage:\n"
" %s v[ersion]\n"
" %s g[dbserver] [options]\n"
" %s p[latform] [options]\n"
"Invoke subcommand for additional help\n",
progname, progname, progname);
exit(0);
}
// Forward declarations of subcommand main methods.
int main_gdbserver(int argc, char *argv[]);
int main_platform(int argc, char *argv[]);
namespace llgs {
static void initialize() {
if (auto e = g_debugger_lifetime->Initialize(
std::make_unique<SystemInitializerLLGS>(), nullptr))
llvm::consumeError(std::move(e));
}
static void terminate_debugger() { g_debugger_lifetime->Terminate(); }
} // namespace llgs
// main
int main(int argc, char *argv[]) {
llvm::InitLLVM IL(argc, argv, /*InstallPipeSignalExitHandler=*/false);
llvm::PrettyStackTraceProgram X(argc, argv);
int option_error = 0;
const char *progname = argv[0];
if (argc < 2) {
display_usage(progname);
exit(option_error);
}
switch (argv[1][0]) {
case 'g':
llgs::initialize();
main_gdbserver(argc, argv);
llgs::terminate_debugger();
break;
case 'p':
llgs::initialize();
main_platform(argc, argv);
llgs::terminate_debugger();
break;
case 'v':
fprintf(stderr, "%s\n", lldb_private::GetVersion());
break;
default:
display_usage(progname);
exit(option_error);
}
}