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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14740 91177308-0d34-0410-b5e6-96231b3b80d8
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
//===- llvm-db.cpp - LLVM Debugger ----------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This utility implements a simple text-mode front-end to the LLVM debugger
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// library.
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//
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//===----------------------------------------------------------------------===//
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#include "CLIDebugger.h"
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#include "Support/CommandLine.h"
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#include "Support/PluginLoader.h"
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#include "llvm/System/Signals.h"
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#include <iostream>
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using namespace llvm;
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namespace {
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// Command line options for specifying the program to debug and options to use
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cl::opt<std::string>
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InputFile(cl::desc("<program>"), cl::Positional, cl::init(""));
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cl::list<std::string>
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InputArgs("args", cl::Positional, cl::desc("<program and arguments>"),
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cl::ZeroOrMore);
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// Command line options to control various directory related stuff
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cl::list<std::string>
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SourceDirectories("directory", cl::value_desc("directory"),
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cl::desc("Add directory to the search for source files"));
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cl::alias SDA("d", cl::desc("Alias for --directory"),
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cl::aliasopt(SourceDirectories));
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cl::opt<std::string>
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WorkingDirectory("cd", cl::desc("Use directory as current working directory"),
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cl::value_desc("directory"));
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// Command line options specific to the llvm-db debugger driver
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cl::opt<bool> Version("version", cl::desc("Print version number and quit"));
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cl::opt<bool> Quiet("quiet", cl::desc("Do not print introductory messages"));
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cl::alias QA1("silent", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
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cl::alias QA2("q", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
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}
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//===----------------------------------------------------------------------===//
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// main Driver function
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//
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int main(int argc, char **argv, char * const *envp) {
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cl::ParseCommandLineOptions(argc, argv,
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" llvm source-level debugger\n");
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PrintStackTraceOnErrorSignal();
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if (Version || !Quiet) {
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std::cout << "llvm-db: The LLVM source-level debugger\n";
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if (Version) return 1;
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}
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// Merge Inputfile and InputArgs into the InputArgs list...
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if (!InputFile.empty() && InputArgs.empty())
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InputArgs.push_back(InputFile);
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// Create the CLI debugger...
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CLIDebugger D;
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// Initialize the debugger with the command line options we read...
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Debugger &Dbg = D.getDebugger();
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// Initialize the debugger environment.
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Dbg.initializeEnvironment(envp);
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Dbg.setWorkingDirectory(WorkingDirectory);
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for (unsigned i = 0, e = SourceDirectories.size(); i != e; ++i)
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D.addSourceDirectory(SourceDirectories[i]);
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if (!InputArgs.empty()) {
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try {
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D.fileCommand(InputArgs[0]);
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} catch (const std::string &Error) {
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std::cout << "Error: " << Error << "\n";
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}
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Dbg.setProgramArguments(InputArgs.begin()+1, InputArgs.end());
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}
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// Now that we have initialized the debugger, run it.
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return D.run();
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}
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