| //===- llvm-db.cpp - LLVM Debugger ----------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by the LLVM research group and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This utility implements a simple text-mode front-end to the LLVM debugger |
| // library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CLIDebugger.h" |
| #include "llvm/Support/CommandLine.h" |
| #include "llvm/Support/PluginLoader.h" |
| #include "llvm/System/Signals.h" |
| #include <iostream> |
| |
| using namespace llvm; |
| |
| namespace { |
| // Command line options for specifying the program to debug and options to use |
| cl::opt<std::string> |
| InputFile(cl::desc("<program>"), cl::Positional, cl::init("")); |
| |
| cl::list<std::string> |
| InputArgs("args", cl::Positional, cl::desc("<program and arguments>"), |
| cl::ZeroOrMore); |
| |
| // Command line options to control various directory related stuff |
| cl::list<std::string> |
| SourceDirectories("directory", cl::value_desc("directory"), |
| cl::desc("Add directory to the search for source files")); |
| cl::alias SDA("d", cl::desc("Alias for --directory"), |
| cl::aliasopt(SourceDirectories)); |
| |
| cl::opt<std::string> |
| WorkingDirectory("cd", cl::desc("Use directory as current working directory"), |
| cl::value_desc("directory")); |
| |
| // Command line options specific to the llvm-db debugger driver |
| cl::opt<bool> Quiet("quiet", cl::desc("Do not print introductory messages")); |
| cl::alias QA1("silent", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet)); |
| cl::alias QA2("q", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet)); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // main Driver function |
| // |
| int main(int argc, char **argv, char * const *envp) { |
| std::cout << "NOTE: llvm-db is known useless right now.\n"; |
| try { |
| cl::ParseCommandLineOptions(argc, argv, |
| " llvm source-level debugger\n"); |
| sys::PrintStackTraceOnErrorSignal(); |
| |
| if (!Quiet) |
| std::cout << "llvm-db: The LLVM source-level debugger\n"; |
| |
| // Merge Inputfile and InputArgs into the InputArgs list... |
| if (!InputFile.empty() && InputArgs.empty()) |
| InputArgs.push_back(InputFile); |
| |
| // Create the CLI debugger... |
| CLIDebugger D; |
| |
| // Initialize the debugger with the command line options we read... |
| Debugger &Dbg = D.getDebugger(); |
| |
| // Initialize the debugger environment. |
| Dbg.initializeEnvironment(envp); |
| Dbg.setWorkingDirectory(WorkingDirectory); |
| for (unsigned i = 0, e = SourceDirectories.size(); i != e; ++i) |
| D.addSourceDirectory(SourceDirectories[i]); |
| |
| if (!InputArgs.empty()) { |
| try { |
| D.fileCommand(InputArgs[0]); |
| } catch (const std::string &Error) { |
| std::cout << "Error: " << Error << "\n"; |
| } |
| |
| Dbg.setProgramArguments(InputArgs.begin()+1, InputArgs.end()); |
| } |
| |
| // Now that we have initialized the debugger, run it. |
| return D.run(); |
| } catch (const std::string& msg) { |
| std::cerr << argv[0] << ": " << msg << "\n"; |
| } catch (...) { |
| std::cerr << argv[0] << ": Unexpected unknown exception occurred.\n"; |
| } |
| return 1; |
| } |