1 //===- llvm-db.cpp - LLVM Debugger ----------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This utility implements a simple text-mode front-end to the LLVM debugger
13 //===----------------------------------------------------------------------===//
15 #include "CLIDebugger.h"
16 #include "Support/CommandLine.h"
17 #include "Support/PluginLoader.h"
18 #include "llvm/System/Signals.h"
24 // Command line options for specifying the program to debug and options to use
26 InputFile(cl::desc("<program>"), cl::Positional, cl::init(""));
29 InputArgs("args", cl::Positional, cl::desc("<program and arguments>"),
32 // Command line options to control various directory related stuff
34 SourceDirectories("directory", cl::value_desc("directory"),
35 cl::desc("Add directory to the search for source files"));
36 cl::alias SDA("d", cl::desc("Alias for --directory"),
37 cl::aliasopt(SourceDirectories));
40 WorkingDirectory("cd", cl::desc("Use directory as current working directory"),
41 cl::value_desc("directory"));
43 // Command line options specific to the llvm-db debugger driver
44 cl::opt<bool> Version("version", cl::desc("Print version number and quit"));
45 cl::opt<bool> Quiet("quiet", cl::desc("Do not print introductory messages"));
46 cl::alias QA1("silent", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
47 cl::alias QA2("q", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
50 //===----------------------------------------------------------------------===//
51 // main Driver function
53 int main(int argc, char **argv, char * const *envp) {
54 cl::ParseCommandLineOptions(argc, argv,
55 " llvm source-level debugger\n");
56 PrintStackTraceOnErrorSignal();
58 if (Version || !Quiet) {
59 std::cout << "llvm-db: The LLVM source-level debugger\n";
60 if (Version) return 1;
63 // Merge Inputfile and InputArgs into the InputArgs list...
64 if (!InputFile.empty() && InputArgs.empty())
65 InputArgs.push_back(InputFile);
67 // Create the CLI debugger...
70 // Initialize the debugger with the command line options we read...
71 Debugger &Dbg = D.getDebugger();
73 // Initialize the debugger environment.
74 Dbg.initializeEnvironment(envp);
75 Dbg.setWorkingDirectory(WorkingDirectory);
76 for (unsigned i = 0, e = SourceDirectories.size(); i != e; ++i)
77 D.addSourceDirectory(SourceDirectories[i]);
79 if (!InputArgs.empty()) {
81 D.fileCommand(InputArgs[0]);
82 } catch (const std::string &Error) {
83 std::cout << "Error: " << Error << "\n";
86 Dbg.setProgramArguments(InputArgs.begin()+1, InputArgs.end());
89 // Now that we have initialized the debugger, run it.