Ejemplo n.º 1
0
    virtual bool
    DoExecute (Args& command,
             CommandReturnObject &result)
    {
        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
        if (!CheckTargetForWatchpointOperations(target, result))
            return false;

        Mutex::Locker locker;
        target->GetWatchpointList().GetListMutex(locker);
        
        const WatchpointList &watchpoints = target->GetWatchpointList();

        size_t num_watchpoints = watchpoints.GetSize();

        if (num_watchpoints == 0)
        {
            result.AppendError("No watchpoints exist to be ignored.");
            result.SetStatus(eReturnStatusFailed);
            return false;
        }

        if (command.GetArgumentCount() == 0)
        {
            target->IgnoreAllWatchpoints(m_options.m_ignore_count);
            result.AppendMessageWithFormat("All watchpoints ignored. (%lu watchpoints)\n", num_watchpoints);
            result.SetStatus (eReturnStatusSuccessFinishNoResult);
        }
        else
        {
            // Particular watchpoints selected; ignore them.
            std::vector<uint32_t> wp_ids;
            if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(command, wp_ids))
            {
                result.AppendError("Invalid watchpoints specification.");
                result.SetStatus(eReturnStatusFailed);
                return false;
            }

            int count = 0;
            const size_t size = wp_ids.size();
            for (size_t i = 0; i < size; ++i)
                if (target->IgnoreWatchpointByID(wp_ids[i], m_options.m_ignore_count))
                    ++count;
            result.AppendMessageWithFormat("%d watchpoints ignored.\n",count);
            result.SetStatus (eReturnStatusSuccessFinishNoResult);
        }

        return result.Succeeded();
    }
Ejemplo n.º 2
0
void
CommandInterpreter::ShowVariableHelp (CommandReturnObject &result)
{
    result.AppendMessage ("Below is a list of all the internal debugger variables that are settable:");
    for (VariableMap::const_iterator pos = m_variables.begin(); pos != m_variables.end(); ++pos)
    {
        StateVariable *var = pos->second.get();
        result.AppendMessageWithFormat ("    %s  --  %s \n", var->GetName(), var->GetHelp());
    }
}
Ejemplo n.º 3
0
    virtual bool
    DoExecute (Args& command, CommandReturnObject &result)
    {
        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
        if (!CheckTargetForWatchpointOperations(target, result))
            return false;

        Mutex::Locker locker;
        target->GetWatchpointList().GetListMutex(locker);
        
        const WatchpointList &watchpoints = target->GetWatchpointList();

        size_t num_watchpoints = watchpoints.GetSize();

        if (num_watchpoints == 0)
        {
            result.AppendError("No watchpoints exist to be modified.");
            result.SetStatus(eReturnStatusFailed);
            return false;
        }

        if (command.GetArgumentCount() == 0)
        {
            WatchpointSP wp_sp = target->GetLastCreatedWatchpoint();
            wp_sp->SetCondition(m_options.m_condition.c_str());
            result.SetStatus (eReturnStatusSuccessFinishNoResult);
        }
        else
        {
            // Particular watchpoints selected; set condition on them.
            std::vector<uint32_t> wp_ids;
            if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, wp_ids))
            {
                result.AppendError("Invalid watchpoints specification.");
                result.SetStatus(eReturnStatusFailed);
                return false;
            }

            int count = 0;
            const size_t size = wp_ids.size();
            for (size_t i = 0; i < size; ++i)
            {
                WatchpointSP wp_sp = watchpoints.FindByID(wp_ids[i]);
                if (wp_sp)
                {
                    wp_sp->SetCondition(m_options.m_condition.c_str());
                    ++count;
                }
            }
            result.AppendMessageWithFormat("%d watchpoints modified.\n",count);
            result.SetStatus (eReturnStatusSuccessFinishNoResult);
        }

        return result.Succeeded();
    }
Ejemplo n.º 4
0
void
CommandInterpreter::GetHelp (CommandReturnObject &result)
{
    CommandObject::CommandMap::const_iterator pos;
    result.AppendMessage("The following is a list of built-in, permanent debugger commands:");
    result.AppendMessage("");
    std::string longest_word  = FindLongestCommandWord (m_command_dict);
    uint32_t max_len = strlen (longest_word.c_str());

    for (pos = m_command_dict.begin(); pos != m_command_dict.end(); ++pos)
    {
        OutputFormattedHelpText (result.GetOutputStream(), pos->first.c_str(), "--", pos->second->GetHelp(),
                                 max_len);
    }
    result.AppendMessage("");

    if (m_alias_dict.size() > 0)
    {
        result.AppendMessage("The following is a list of your current command abbreviations (see 'alias' for more info):");
        result.AppendMessage("");
        longest_word = FindLongestCommandWord (m_alias_dict);
        max_len = strlen (longest_word.c_str());
        for (pos = m_alias_dict.begin(); pos != m_alias_dict.end(); ++pos)
        {
            StreamString sstr;
            StreamString translation_and_help;
            std::string entry_name = pos->first;
            std::string second_entry = pos->second.get()->GetCommandName();
            GetAliasHelp (pos->first.c_str(), pos->second->GetCommandName(), sstr);
            
            translation_and_help.Printf ("(%s)  %s", sstr.GetData(), pos->second->GetHelp());
            OutputFormattedHelpText (result.GetOutputStream(), pos->first.c_str(), "--", 
                                     translation_and_help.GetData(), max_len);
        }
        result.AppendMessage("");
    }

    if (m_user_dict.size() > 0)
    {
        result.AppendMessage ("The following is a list of your current user-defined commands:");
        result.AppendMessage("");
        for (pos = m_user_dict.begin(); pos != m_user_dict.end(); ++pos)
        {
            result.AppendMessageWithFormat ("%s  --  %s\n", pos->first.c_str(), pos->second->GetHelp());
        }
        result.AppendMessage("");
    }

    result.AppendMessage("For more information on any particular command, try 'help <command-name>'.");
}
Ejemplo n.º 5
0
  bool DoExecute(Args &command, CommandReturnObject &result) override {
    Target *target = GetSelectedOrDummyTarget();

    uint32_t i = 0;
    for (auto &stat : target->GetStatistics()) {
      result.AppendMessageWithFormat(
          "%s : %u\n",
          lldb_private::GetStatDescription(static_cast<lldb_private::StatisticKind>(i))
              .c_str(),
          stat);
      i += 1;
    }
    result.SetStatus(eReturnStatusSuccessFinishResult);
    return true;
  }
Ejemplo n.º 6
0
bool
CommandObjectVersion::DoExecute (Args& args, CommandReturnObject &result)
{
    if (args.GetArgumentCount() == 0)
    {
        result.AppendMessageWithFormat ("%s\n", lldb_private::GetVersion());
        result.SetStatus (eReturnStatusSuccessFinishResult);
    }
    else
    {
        result.AppendError("the version command takes no arguments.");
        result.SetStatus (eReturnStatusFailed);
    }
    return true;
}
 bool
 DoExecute(Args& command, CommandReturnObject &result) override
 {
     bool demangled_any = false;
     bool error_any = false;
     for (size_t i = 0; i < command.GetArgumentCount(); i++)
     {
         auto arg = command.GetArgumentAtIndex(i);
         if (arg && *arg)
         {
             ConstString mangled_cs(arg);
             
             // the actual Mangled class should be strict about this, but on the command line
             // if you're copying mangled names out of 'nm' on Darwin, they will come out with
             // an extra underscore - be willing to strip this on behalf of the user
             // This is the moral equivalent of the -_/-n options to c++filt
             if (mangled_cs.GetStringRef().startswith("__Z"))
                 mangled_cs.SetCString(arg+1);
             
             Mangled mangled(mangled_cs, true);
             if (mangled.GuessLanguage() == lldb::eLanguageTypeC_plus_plus)
             {
                 ConstString demangled(mangled.GetDisplayDemangledName(lldb::eLanguageTypeC_plus_plus));
                 demangled_any = true;
                 result.AppendMessageWithFormat("%s ---> %s\n", arg, demangled.GetCString());
             }
             else
             {
                 error_any = true;
                 result.AppendErrorWithFormat("%s is not a valid C++ mangled name\n", arg);
             }
         }
     }
     
     result.SetStatus(error_any ? lldb::eReturnStatusFailed :
                      (demangled_any ? lldb::eReturnStatusSuccessFinishResult : lldb::eReturnStatusSuccessFinishNoResult));
     return result.Succeeded();
 }
  bool DoExecute(Args &command, CommandReturnObject &result) override {
    bool demangled_any = false;
    bool error_any = false;
    for (auto &entry : command.entries()) {
      if (entry.ref.empty())
        continue;

      // the actual Mangled class should be strict about this, but on the
      // command line if you're copying mangled names out of 'nm' on Darwin,
      // they will come out with an extra underscore - be willing to strip
      // this on behalf of the user.   This is the moral equivalent of the -_/-n
      // options to c++filt
      auto name = entry.ref;
      if (name.startswith("__Z"))
        name = name.drop_front();

      Mangled mangled(name, true);
      if (mangled.GuessLanguage() == lldb::eLanguageTypeC_plus_plus) {
        ConstString demangled(
            mangled.GetDisplayDemangledName(lldb::eLanguageTypeC_plus_plus));
        demangled_any = true;
        result.AppendMessageWithFormat("%s ---> %s\n", entry.ref.str().c_str(),
                                       demangled.GetCString());
      } else {
        error_any = true;
        result.AppendErrorWithFormat("%s is not a valid C++ mangled name\n",
                                     entry.ref.str().c_str());
      }
    }

    result.SetStatus(
        error_any ? lldb::eReturnStatusFailed
                  : (demangled_any ? lldb::eReturnStatusSuccessFinishResult
                                   : lldb::eReturnStatusSuccessFinishNoResult));
    return result.Succeeded();
  }
Ejemplo n.º 9
0
    virtual bool
    DoExecute (Args& command, CommandReturnObject &result)
    {
        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
        if (target == NULL)
        {
            result.AppendError ("Invalid target. No current target or watchpoints.");
            result.SetStatus (eReturnStatusSuccessFinishNoResult);
            return true;
        }

        if (target->GetProcessSP() && target->GetProcessSP()->IsAlive())
        {
            uint32_t num_supported_hardware_watchpoints;
            Error error = target->GetProcessSP()->GetWatchpointSupportInfo(num_supported_hardware_watchpoints);
            if (error.Success())
                result.AppendMessageWithFormat("Number of supported hardware watchpoints: %u\n",
                                               num_supported_hardware_watchpoints);
        }

        const WatchpointList &watchpoints = target->GetWatchpointList();
        Mutex::Locker locker;
        target->GetWatchpointList().GetListMutex(locker);

        size_t num_watchpoints = watchpoints.GetSize();

        if (num_watchpoints == 0)
        {
            result.AppendMessage("No watchpoints currently set.");
            result.SetStatus(eReturnStatusSuccessFinishNoResult);
            return true;
        }

        Stream &output_stream = result.GetOutputStream();

        if (command.GetArgumentCount() == 0)
        {
            // No watchpoint selected; show info about all currently set watchpoints.
            result.AppendMessage ("Current watchpoints:");
            for (size_t i = 0; i < num_watchpoints; ++i)
            {
                Watchpoint *wp = watchpoints.GetByIndex(i).get();
                AddWatchpointDescription(&output_stream, wp, m_options.m_level);
            }
            result.SetStatus(eReturnStatusSuccessFinishNoResult);
        }
        else
        {
            // Particular watchpoints selected; enable them.
            std::vector<uint32_t> wp_ids;
            if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, wp_ids))
            {
                result.AppendError("Invalid watchpoints specification.");
                result.SetStatus(eReturnStatusFailed);
                return false;
            }

            const size_t size = wp_ids.size();
            for (size_t i = 0; i < size; ++i)
            {
                Watchpoint *wp = watchpoints.FindByID(wp_ids[i]).get();
                if (wp)
                    AddWatchpointDescription(&output_stream, wp, m_options.m_level);
                result.SetStatus(eReturnStatusSuccessFinishNoResult);
            }
        }

        return result.Succeeded();
    }
Ejemplo n.º 10
0
bool
CommandObjectFile::Execute
(
    CommandInterpreter &interpreter,
    Args& command,
    CommandReturnObject &result
)
{
    const char *file_path = command.GetArgumentAtIndex(0);
    Timer scoped_timer(__PRETTY_FUNCTION__, "(dbg) file '%s'", file_path);
    const int argc = command.GetArgumentCount();
    if (argc == 1)
    {
        FileSpec file_spec (file_path);

        if (! file_spec.Exists())
        {
            result.AppendErrorWithFormat ("File '%s' does not exist.\n", file_path);
            result.SetStatus (eReturnStatusFailed);
            return result.Succeeded();
        }

        TargetSP target_sp;

        ArchSpec arch;
        if (m_options.m_arch.IsValid())
            arch = m_options.m_arch;
        else
        {
            arch = lldb_private::GetDefaultArchitecture ();
            if (!arch.IsValid())
                arch = LLDB_ARCH_DEFAULT;
        }
        Debugger &debugger = interpreter.GetDebugger();
        Error error = debugger.GetTargetList().CreateTarget (debugger, file_spec, arch, NULL, true, target_sp);

        if (error.Fail() && !m_options.m_arch.IsValid())
        {
            if (arch == LLDB_ARCH_DEFAULT_32BIT)
                arch = LLDB_ARCH_DEFAULT_64BIT;
            else
                arch = LLDB_ARCH_DEFAULT_32BIT;
            error = debugger.GetTargetList().CreateTarget (debugger, file_spec, arch, NULL, true, target_sp);
        }

        if (target_sp)
        {
            debugger.GetTargetList().SetCurrentTarget(target_sp.get());
            result.AppendMessageWithFormat ("Current executable set to '%s' (%s).\n", file_path, arch.AsCString());
            result.SetStatus (eReturnStatusSuccessFinishNoResult);
        }
        else
        {
            result.AppendError(error.AsCString());
            result.SetStatus (eReturnStatusFailed);
        }
    }
    else
    {
        result.AppendErrorWithFormat("'%s' takes exactly one executable path argument.\n", m_cmd_name.c_str());
        result.SetStatus (eReturnStatusFailed);
    }
    return result.Succeeded();

}
Ejemplo n.º 11
0
    virtual bool
    DoExecute (Args& args, CommandReturnObject &result)
    {
        PlatformSP platform_sp (m_interpreter.GetDebugger().GetPlatformList().GetSelectedPlatform());
        
        if (platform_sp)
        {
            Error error;
            if (args.GetArgumentCount() == 0)
            {
                
                if (platform_sp)
                {
                    Stream &ostrm = result.GetOutputStream();      

                    lldb::pid_t pid = m_options.match_info.GetProcessInfo().GetProcessID();
                    if (pid != LLDB_INVALID_PROCESS_ID)
                    {
                        ProcessInstanceInfo proc_info;
                        if (platform_sp->GetProcessInfo (pid, proc_info))
                        {
                            ProcessInstanceInfo::DumpTableHeader (ostrm, platform_sp.get(), m_options.show_args, m_options.verbose);
                            proc_info.DumpAsTableRow(ostrm, platform_sp.get(), m_options.show_args, m_options.verbose);
                            result.SetStatus (eReturnStatusSuccessFinishResult);
                        }
                        else
                        {
                            result.AppendErrorWithFormat ("no process found with pid = %" PRIu64 "\n", pid);
                            result.SetStatus (eReturnStatusFailed);
                        }
                    }
                    else
                    {
                        ProcessInstanceInfoList proc_infos;
                        const uint32_t matches = platform_sp->FindProcesses (m_options.match_info, proc_infos);
                        const char *match_desc = NULL;
                        const char *match_name = m_options.match_info.GetProcessInfo().GetName();
                        if (match_name && match_name[0])
                        {
                            switch (m_options.match_info.GetNameMatchType())
                            {
                                case eNameMatchIgnore: break;
                                case eNameMatchEquals: match_desc = "matched"; break;
                                case eNameMatchContains: match_desc = "contained"; break;
                                case eNameMatchStartsWith: match_desc = "started with"; break;
                                case eNameMatchEndsWith: match_desc = "ended with"; break;
                                case eNameMatchRegularExpression: match_desc = "matched the regular expression"; break;
                            }
                        }

                        if (matches == 0)
                        {
                            if (match_desc)
                                result.AppendErrorWithFormat ("no processes were found that %s \"%s\" on the \"%s\" platform\n", 
                                                              match_desc,
                                                              match_name,
                                                              platform_sp->GetShortPluginName());
                            else
                                result.AppendErrorWithFormat ("no processes were found on the \"%s\" platform\n", platform_sp->GetShortPluginName());
                            result.SetStatus (eReturnStatusFailed);
                        }
                        else
                        {
                            result.AppendMessageWithFormat ("%u matching process%s found on \"%s\"", 
                                                            matches,
                                                            matches > 1 ? "es were" : " was",
                                                            platform_sp->GetName());
                            if (match_desc)
                                result.AppendMessageWithFormat (" whose name %s \"%s\"", 
                                                                match_desc,
                                                                match_name);
                            result.AppendMessageWithFormat ("\n");
                            ProcessInstanceInfo::DumpTableHeader (ostrm, platform_sp.get(), m_options.show_args, m_options.verbose);
                            for (uint32_t i=0; i<matches; ++i)
                            {
                                proc_infos.GetProcessInfoAtIndex(i).DumpAsTableRow(ostrm, platform_sp.get(), m_options.show_args, m_options.verbose);
                            }
                        }
                    }
                }
            }
            else
            {
                result.AppendError ("invalid args: process list takes only options\n");
                result.SetStatus (eReturnStatusFailed);
            }
        }
        else
        {
            result.AppendError ("no platform is selected\n");
            result.SetStatus (eReturnStatusFailed);
        }
        return result.Succeeded();
    }
Ejemplo n.º 12
0
    bool
    DoExecute (Args& command, CommandReturnObject &result)
    {
        const int argc = command.GetArgumentCount();

        if (argc != 0)
        {
            result.AppendErrorWithFormat("'%s' takes no arguments, only flags.\n", GetCommandName());
            result.SetStatus (eReturnStatusFailed);
            return false;
        }

        ExecutionContext exe_ctx(m_interpreter.GetExecutionContext());
        Target *target = exe_ctx.GetTargetPtr();

        if (target == NULL)
            target = m_interpreter.GetDebugger().GetSelectedTarget().get();
            
        if (target == NULL)
        {
            result.AppendError ("invalid target, create a debug target using the 'target create' command");
            result.SetStatus (eReturnStatusFailed);
            return false;
        }

        SymbolContextList sc_list;
        if (!m_options.symbol_name.empty())
        {
            // Displaying the source for a symbol:
            ConstString name(m_options.symbol_name.c_str());
            bool include_symbols = false;
            bool include_inlines = true;
            bool append = true;
            size_t num_matches = 0;
            
            if (m_options.modules.size() > 0)
            {
                ModuleList matching_modules;
                for (unsigned i = 0, e = m_options.modules.size(); i != e; i++)
                {
                    FileSpec module_file_spec(m_options.modules[i].c_str(), false);
                    if (module_file_spec)
                    {
                        ModuleSpec module_spec (module_file_spec);
                        matching_modules.Clear();
                        target->GetImages().FindModules (module_spec, matching_modules);
                        num_matches += matching_modules.FindFunctions (name, eFunctionNameTypeAuto, include_symbols, include_inlines, append, sc_list);
                    }
                }
            }
            else
            {
                num_matches = target->GetImages().FindFunctions (name, eFunctionNameTypeAuto, include_symbols, include_inlines, append, sc_list);
            }
            
            SymbolContext sc;

            if (num_matches == 0)
            {
                result.AppendErrorWithFormat("Could not find function named: \"%s\".\n", m_options.symbol_name.c_str());
                result.SetStatus (eReturnStatusFailed);
                return false;
            }
            
            sc_list.GetContextAtIndex (0, sc);
            FileSpec start_file;
            uint32_t start_line;
            uint32_t end_line;
            FileSpec end_file;
            if (sc.function != NULL)
            {
                sc.function->GetStartLineSourceInfo (start_file, start_line);
                if (start_line == 0)
                {
                    result.AppendErrorWithFormat("Could not find line information for start of function: \"%s\".\n", m_options.symbol_name.c_str());
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
                sc.function->GetEndLineSourceInfo (end_file, end_line);
            }
            else
            {
                result.AppendErrorWithFormat("Could not find function info for: \"%s\".\n", m_options.symbol_name.c_str());
                result.SetStatus (eReturnStatusFailed);
                return false;
            }

            if (num_matches > 1)
            {
                // This could either be because there are multiple functions of this name, in which case
                // we'll have to specify this further...  Or it could be because there are multiple inlined instances
                // of one function.  So run through the matches and if they all have the same file & line then we can just
                // list one.
                
                bool found_multiple = false;
                
                for (size_t i = 1; i < num_matches; i++)
                {
                    SymbolContext scratch_sc;
                    sc_list.GetContextAtIndex (i, scratch_sc);
                    if (scratch_sc.function != NULL)
                    {
                        FileSpec scratch_file;
                        uint32_t scratch_line;
                        scratch_sc.function->GetStartLineSourceInfo (scratch_file, scratch_line);
                        if (scratch_file != start_file 
                            || scratch_line != start_line)
                        {
                            found_multiple = true;
                            break;
                        }
                    }
                }
                if (found_multiple)
                {
                    StreamString s;
                    for (size_t i = 0; i < num_matches; i++)
                    {
                        SymbolContext scratch_sc;
                        sc_list.GetContextAtIndex (i, scratch_sc);
                        if (scratch_sc.function != NULL)
                        {
                            s.Printf("\n%lu: ", i); 
                            scratch_sc.function->Dump (&s, true);
                        }
                    }
                    result.AppendErrorWithFormat("Multiple functions found matching: %s: \n%s\n", 
                                                 m_options.symbol_name.c_str(),
                                                 s.GetData());
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
            }
            
                
            // This is a little hacky, but the first line table entry for a function points to the "{" that 
            // starts the function block.  It would be nice to actually get the function
            // declaration in there too.  So back up a bit, but not further than what you're going to display.
            size_t lines_to_back_up = m_options.num_lines >= 10 ? 5 : m_options.num_lines/2;
            uint32_t line_no;
            if (start_line <= lines_to_back_up)
                line_no = 1;
            else
                line_no = start_line - lines_to_back_up;
                
            // For fun, if the function is shorter than the number of lines we're supposed to display, 
            // only display the function...
            if (end_line != 0)
            {
                if (m_options.num_lines > end_line - line_no)
                    m_options.num_lines = end_line - line_no;
            }
            
            char path_buf[PATH_MAX];
            start_file.GetPath(path_buf, sizeof(path_buf));
            
            if (m_options.show_bp_locs)
            {
                const bool show_inlines = true;
                m_breakpoint_locations.Reset (start_file, 0, show_inlines);
                SearchFilter target_search_filter (exe_ctx.GetTargetSP());
                target_search_filter.Search (m_breakpoint_locations);
            }
            else
                m_breakpoint_locations.Clear();

            result.AppendMessageWithFormat("File: %s.\n", path_buf);
            target->GetSourceManager().DisplaySourceLinesWithLineNumbers (start_file,
                                                                          line_no,
                                                                          0,
                                                                          m_options.num_lines,
                                                                          "",
                                                                          &result.GetOutputStream(),
                                                                          GetBreakpointLocations ());
            
            result.SetStatus (eReturnStatusSuccessFinishResult);
            return true;

        }
        else if (m_options.address != LLDB_INVALID_ADDRESS)
        {
            SymbolContext sc;
            Address so_addr;
            StreamString error_strm;

            if (target->GetSectionLoadList().IsEmpty())
            {
                // The target isn't loaded yet, we need to lookup the file address
                // in all modules
                const ModuleList &module_list = target->GetImages();
                const uint32_t num_modules = module_list.GetSize();
                for (uint32_t i=0; i<num_modules; ++i)
                {
                    ModuleSP module_sp (module_list.GetModuleAtIndex(i));
                    if (module_sp && module_sp->ResolveFileAddress(m_options.address, so_addr))
                    {
                        sc.Clear();
                        if (module_sp->ResolveSymbolContextForAddress (so_addr, eSymbolContextEverything, sc) & eSymbolContextLineEntry)
                            sc_list.Append(sc);
                    }
                }
                
                if (sc_list.GetSize() == 0)
                {
                    result.AppendErrorWithFormat("no modules have source information for file address 0x%" PRIx64 ".\n",
                                                 m_options.address);
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
            }
            else
            {
                // The target has some things loaded, resolve this address to a
                // compile unit + file + line and display
                if (target->GetSectionLoadList().ResolveLoadAddress (m_options.address, so_addr))
                {
                    ModuleSP module_sp (so_addr.GetModule());
                    if (module_sp)
                    {
                        sc.Clear();
                        if (module_sp->ResolveSymbolContextForAddress (so_addr, eSymbolContextEverything, sc) & eSymbolContextLineEntry)
                        {
                            sc_list.Append(sc);
                        }
                        else
                        {
                            so_addr.Dump(&error_strm, NULL, Address::DumpStyleModuleWithFileAddress);
                            result.AppendErrorWithFormat("address resolves to %s, but there is no line table information available for this address.\n",
                                                         error_strm.GetData());
                            result.SetStatus (eReturnStatusFailed);
                            return false;
                        }
                    }
                }

                if (sc_list.GetSize() == 0)
                {
                    result.AppendErrorWithFormat("no modules contain load address 0x%" PRIx64 ".\n", m_options.address);
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
            }
            uint32_t num_matches = sc_list.GetSize();
            for (uint32_t i=0; i<num_matches; ++i)
            {
                sc_list.GetContextAtIndex(i, sc);
                if (sc.comp_unit)
                {
                    if (m_options.show_bp_locs)
                    {
                        m_breakpoint_locations.Clear();
                        const bool show_inlines = true;
                        m_breakpoint_locations.Reset (*sc.comp_unit, 0, show_inlines);
                        SearchFilter target_search_filter (target->shared_from_this());
                        target_search_filter.Search (m_breakpoint_locations);
                    }
                    
                    bool show_fullpaths = true;
                    bool show_module = true;
                    bool show_inlined_frames = true;
                    sc.DumpStopContext(&result.GetOutputStream(),
                                       exe_ctx.GetBestExecutionContextScope(),
                                       sc.line_entry.range.GetBaseAddress(),
                                       show_fullpaths,
                                       show_module,
                                       show_inlined_frames);
                    result.GetOutputStream().EOL();
                    
                    size_t lines_to_back_up = m_options.num_lines >= 10 ? 5 : m_options.num_lines/2;

                    target->GetSourceManager().DisplaySourceLinesWithLineNumbers (sc.comp_unit,
                                                                                  sc.line_entry.line,
                                                                                  lines_to_back_up,
                                                                                  m_options.num_lines - lines_to_back_up,
                                                                                  "->",
                                                                                  &result.GetOutputStream(),
                                                                                  GetBreakpointLocations ());
                    result.SetStatus (eReturnStatusSuccessFinishResult);
                }
            }
        }
        else if (m_options.file_name.empty())
        {
            // Last valid source manager context, or the current frame if no
            // valid last context in source manager.
            // One little trick here, if you type the exact same list command twice in a row, it is
            // more likely because you typed it once, then typed it again
            if (m_options.start_line == 0)
            {
                if (target->GetSourceManager().DisplayMoreWithLineNumbers (&result.GetOutputStream(),
                                                                                               GetBreakpointLocations ()))
                {
                    result.SetStatus (eReturnStatusSuccessFinishResult);
                }
            }
            else
            {
                if (m_options.show_bp_locs)
                {
                    SourceManager::FileSP last_file_sp (target->GetSourceManager().GetLastFile ());
                    if (last_file_sp)
                    {
                        const bool show_inlines = true;
                        m_breakpoint_locations.Reset (last_file_sp->GetFileSpec(), 0, show_inlines);
                        SearchFilter target_search_filter (target->shared_from_this());
                        target_search_filter.Search (m_breakpoint_locations);
                    }
                }
                else
                    m_breakpoint_locations.Clear();

                if (target->GetSourceManager().DisplaySourceLinesWithLineNumbersUsingLastFile(
                            m_options.start_line,   // Line to display
                            0,                      // Lines before line to display
                            m_options.num_lines,    // Lines after line to display
                            "",                     // Don't mark "line"
                            &result.GetOutputStream(),
                            GetBreakpointLocations ()))
                {
                    result.SetStatus (eReturnStatusSuccessFinishResult);
                }

            }
        }
        else
        {
            const char *filename = m_options.file_name.c_str();

            bool check_inlines = false;
            SymbolContextList sc_list;
            size_t num_matches = 0;
            
            if (m_options.modules.size() > 0)
            {
                ModuleList matching_modules;
                for (unsigned i = 0, e = m_options.modules.size(); i != e; i++)
                {
                    FileSpec module_file_spec(m_options.modules[i].c_str(), false);
                    if (module_file_spec)
                    {
                        ModuleSpec module_spec (module_file_spec);
                        matching_modules.Clear();
                        target->GetImages().FindModules (module_spec, matching_modules);
                        num_matches += matching_modules.ResolveSymbolContextForFilePath (filename,
                                                                                         0,
                                                                                         check_inlines,
                                                                                         eSymbolContextModule | eSymbolContextCompUnit,
                                                                                         sc_list);
                    }
                }
            }
            else
            {
                num_matches = target->GetImages().ResolveSymbolContextForFilePath (filename,
                                                                                   0,
                                                                                   check_inlines,
                                                                                   eSymbolContextModule | eSymbolContextCompUnit,
                                                                                   sc_list);
            }
            
            if (num_matches == 0)
            {
                result.AppendErrorWithFormat("Could not find source file \"%s\".\n", 
                                             m_options.file_name.c_str());
                result.SetStatus (eReturnStatusFailed);
                return false;
            }
            
            if (num_matches > 1)
            {
                SymbolContext sc;
                bool got_multiple = false;
                FileSpec *test_cu_spec = NULL;

                for (unsigned i = 0; i < num_matches; i++)
                {
                    sc_list.GetContextAtIndex(i, sc);
                    if (sc.comp_unit)
                    {
                        if (test_cu_spec)
                        {
                            if (test_cu_spec != static_cast<FileSpec *> (sc.comp_unit))
                                got_multiple = true;
                                break;
                        }
                        else
                            test_cu_spec = sc.comp_unit;
                    }
                }
                if (got_multiple)
                {
                    result.AppendErrorWithFormat("Multiple source files found matching: \"%s.\"\n", 
                                                 m_options.file_name.c_str());
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
            }
            
            SymbolContext sc;
            if (sc_list.GetContextAtIndex(0, sc))
            {
                if (sc.comp_unit)
                {
                    if (m_options.show_bp_locs)
                    {
                        const bool show_inlines = true;
                        m_breakpoint_locations.Reset (*sc.comp_unit, 0, show_inlines);
                        SearchFilter target_search_filter (target->shared_from_this());
                        target_search_filter.Search (m_breakpoint_locations);
                    }
                    else
                        m_breakpoint_locations.Clear();

                    target->GetSourceManager().DisplaySourceLinesWithLineNumbers (sc.comp_unit,
                                                                                  m_options.start_line,
                                                                                  0,
                                                                                  m_options.num_lines,
                                                                                  "",
                                                                                  &result.GetOutputStream(),
                                                                                  GetBreakpointLocations ());

                    result.SetStatus (eReturnStatusSuccessFinishResult);
                }
                else
                {
                    result.AppendErrorWithFormat("No comp unit found for: \"%s.\"\n", 
                                                 m_options.file_name.c_str());
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
            }
        }
        return result.Succeeded();
    }
Ejemplo n.º 13
0
bool
CommandObjectApropos::Execute
(
    Args& args,
    CommandReturnObject &result
)
{
    const int argc = args.GetArgumentCount ();

    if (argc == 1)
    {
        const char *search_word = args.GetArgumentAtIndex(0);
        if ((search_word != NULL)
            && (strlen (search_word) > 0))
        {
            // The bulk of the work must be done inside the Command Interpreter, since the command dictionary
            // is private.
            StringList commands_found;
            StringList commands_help;
            m_interpreter.FindCommandsForApropos (search_word, commands_found, commands_help);
            if (commands_found.GetSize() == 0)
            {
                result.AppendMessageWithFormat ("No commands found pertaining to '%s'. Try 'help' to see a complete list of debugger commands.\n", search_word);
            }
            else
            {
                result.AppendMessageWithFormat ("The following commands may relate to '%s':\n", search_word);
                size_t max_len = 0;

                for (size_t i = 0; i < commands_found.GetSize(); ++i)
                {
                    size_t len = strlen (commands_found.GetStringAtIndex (i));
                    if (len > max_len)
                        max_len = len;
                }

                for (size_t i = 0; i < commands_found.GetSize(); ++i)
                    m_interpreter.OutputFormattedHelpText (result.GetOutputStream(), 
                                                           commands_found.GetStringAtIndex(i),
                                                           "--", commands_help.
                                                           GetStringAtIndex(i), 
                                                           max_len);
                
            }
            
            
            StreamString settings_search_results;
            lldb::UserSettingsControllerSP root = Debugger::GetSettingsController ();
            const char *settings_prefix = root->GetLevelName().GetCString();
             
            UserSettingsController::SearchAllSettingsDescriptions (m_interpreter, 
                                                                   root, 
                                                                   settings_prefix, 
                                                                   search_word,
                                                                   settings_search_results);
            
            if (settings_search_results.GetSize() > 0)
            {
                result.AppendMessageWithFormat ("\nThe following settings variables may relate to '%s': \n\n", search_word);
                result.AppendMessageWithFormat ("%s", settings_search_results.GetData());
            }
            
            result.SetStatus (eReturnStatusSuccessFinishNoResult);
        }
        else
        {
            result.AppendError ("'' is not a valid search word.\n");
            result.SetStatus (eReturnStatusFailed);
        }
    }
    else
    {
        result.AppendError ("'apropos' must be called with exactly one argument.\n");
        result.SetStatus (eReturnStatusFailed);
    }

    return result.Succeeded();
}
Ejemplo n.º 14
0
    bool
    Execute
    (
        Args& args,
        CommandReturnObject &result
    )
    {
        const int argc = args.GetArgumentCount();

        if (argc != 0)
        {
            result.AppendErrorWithFormat("'%s' takes no arguments, only flags.\n", GetCommandName());
            result.SetStatus (eReturnStatusFailed);
        }

        ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext());
        
        if (!m_options.symbol_name.empty())
        {
            // Displaying the source for a symbol:
            Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
            if (target == NULL)
            {
                result.AppendError ("invalid target, set executable file using 'file' command");
                result.SetStatus (eReturnStatusFailed);
                return false;
            }
            
            SymbolContextList sc_list;
            ConstString name(m_options.symbol_name.c_str());
            bool include_symbols = false;
            bool append = true;
            size_t num_matches = 0;
            
            if (m_options.m_modules.size() > 0)
            {
                ModuleList matching_modules;
                for (unsigned i = 0, e = m_options.m_modules.size(); i != e; i++)
                {
                    FileSpec module_spec(m_options.m_modules[i].c_str(), false);
                    if (module_spec)
                    {
                        matching_modules.Clear();
                        target->GetImages().FindModules (&module_spec, NULL, NULL, NULL, matching_modules);
                        num_matches += matching_modules.FindFunctions (name, eFunctionNameTypeBase, include_symbols, append, sc_list);
                    }
                }
            }
            else
            {
                num_matches = target->GetImages().FindFunctions (name, eFunctionNameTypeBase, include_symbols, append, sc_list);
            }
            
            SymbolContext sc;

            if (num_matches == 0)
            {
                result.AppendErrorWithFormat("Could not find function named: \"%s\".\n", m_options.symbol_name.c_str());
                result.SetStatus (eReturnStatusFailed);
                return false;
            }
            
            sc_list.GetContextAtIndex (0, sc);
            FileSpec start_file;
            uint32_t start_line;
            uint32_t end_line;
            FileSpec end_file;
            if (sc.function != NULL)
            {
                sc.function->GetStartLineSourceInfo (start_file, start_line);
                if (start_line == 0)
                {
                    result.AppendErrorWithFormat("Could not find line information for start of function: \"%s\".\n", m_options.symbol_name.c_str());
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
                sc.function->GetEndLineSourceInfo (end_file, end_line);
            }
            else
            {
                result.AppendErrorWithFormat("Could not find function info for: \"%s\".\n", m_options.symbol_name.c_str());
                result.SetStatus (eReturnStatusFailed);
                return false;
            }

            if (num_matches > 1)
            {
                // This could either be because there are multiple functions of this name, in which case
                // we'll have to specify this further...  Or it could be because there are multiple inlined instances
                // of one function.  So run through the matches and if they all have the same file & line then we can just
                // list one.
                
                bool found_multiple = false;
                
                for (size_t i = 1; i < num_matches; i++)
                {
                    SymbolContext scratch_sc;
                    sc_list.GetContextAtIndex (i, scratch_sc);
                    if (scratch_sc.function != NULL)
                    {
                        FileSpec scratch_file;
                        uint32_t scratch_line;
                        scratch_sc.function->GetStartLineSourceInfo (scratch_file, scratch_line);
                        if (scratch_file != start_file 
                            || scratch_line != start_line)
                        {
                            found_multiple = true;
                            break;
                        }
                    }
                }
                if (found_multiple)
                {
                    StreamString s;
                    for (size_t i = 0; i < num_matches; i++)
                    {
                        SymbolContext scratch_sc;
                        sc_list.GetContextAtIndex (i, scratch_sc);
                        if (scratch_sc.function != NULL)
                        {
                            s.Printf("\n%d: ", i); 
                            scratch_sc.function->Dump (&s, true);
                        }
                    }
                    result.AppendErrorWithFormat("Multiple functions found matching: %s: \n%s\n", 
                                                 m_options.symbol_name.c_str(),
                                                 s.GetData());
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
            }
            
                
            // This is a little hacky, but the first line table entry for a function points to the "{" that 
            // starts the function block.  It would be nice to actually get the function
            // declaration in there too.  So back up a bit, but not further than what you're going to display.
            size_t lines_to_back_up = m_options.num_lines >= 10 ? 5 : m_options.num_lines/2;
            uint32_t line_no;
            if (start_line <= lines_to_back_up)
                line_no = 1;
            else
                line_no = start_line - lines_to_back_up;
                
            // For fun, if the function is shorter than the number of lines we're supposed to display, 
            // only display the function...
            if (end_line != 0)
            {
                if (m_options.num_lines > end_line - line_no)
                    m_options.num_lines = end_line - line_no;
            }
            
            char path_buf[PATH_MAX+1];
            start_file.GetPath(path_buf, PATH_MAX);
            result.AppendMessageWithFormat("File: %s.\n", path_buf);
            m_interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbers (start_file,
                                                                                              line_no,
                                                                                              0,
                                                                                              m_options.num_lines,
                                                                                              "",
                                                                                              &result.GetOutputStream());
            
            result.SetStatus (eReturnStatusSuccessFinishResult);
            return true;

        }
        else if (m_options.file_name.empty())
        {
            // Last valid source manager context, or the current frame if no
            // valid last context in source manager.
            // One little trick here, if you type the exact same list command twice in a row, it is
            // more likely because you typed it once, then typed it again
            if (m_options.start_line == 0)
            {
                if (m_interpreter.GetDebugger().GetSourceManager().DisplayMoreWithLineNumbers (&result.GetOutputStream()))
                {
                    result.SetStatus (eReturnStatusSuccessFinishResult);
                }
            }
            else
            {
                if (m_interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbersUsingLastFile(
                            m_options.start_line,   // Line to display
                            0,                      // Lines before line to display
                            m_options.num_lines,    // Lines after line to display
                            "",                     // Don't mark "line"
                            &result.GetOutputStream()))
                {
                    result.SetStatus (eReturnStatusSuccessFinishResult);
                }

            }
        }
        else
        {
            const char *filename = m_options.file_name.c_str();
            Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
            if (target == NULL)
            {
                result.AppendError ("invalid target, set executable file using 'file' command");
                result.SetStatus (eReturnStatusFailed);
                return false;
            }


            bool check_inlines = false;
            SymbolContextList sc_list;
            size_t num_matches = 0;
            
            if (m_options.m_modules.size() > 0)
            {
                ModuleList matching_modules;
                for (unsigned i = 0, e = m_options.m_modules.size(); i != e; i++)
                {
                    FileSpec module_spec(m_options.m_modules[i].c_str(), false);
                    if (module_spec)
                    {
                        matching_modules.Clear();
                        target->GetImages().FindModules (&module_spec, NULL, NULL, NULL, matching_modules);
                        num_matches += matching_modules.ResolveSymbolContextForFilePath (filename,
                                                                                   0,
                                                                                   check_inlines,
                                                                                   eSymbolContextModule | eSymbolContextCompUnit,
                                                                                   sc_list);
                    }
                }
            }
            else
            {
                num_matches = target->GetImages().ResolveSymbolContextForFilePath (filename,
                                                                                   0,
                                                                                   check_inlines,
                                                                                   eSymbolContextModule | eSymbolContextCompUnit,
                                                                                   sc_list);
            }
            
            if (num_matches == 0)
            {
                result.AppendErrorWithFormat("Could not find source file \"%s\".\n", 
                                             m_options.file_name.c_str());
                result.SetStatus (eReturnStatusFailed);
                return false;
            }
            
            if (num_matches > 1)
            {
                SymbolContext sc;
                bool got_multiple = false;
                FileSpec *test_cu_spec = NULL;

                for (unsigned i = 0; i < num_matches; i++)
                {
                    sc_list.GetContextAtIndex(i, sc);
                    if (sc.comp_unit)
                    {
                        if (test_cu_spec)
                        {
                            if (test_cu_spec != static_cast<FileSpec *> (sc.comp_unit))
                                got_multiple = true;
                                break;
                        }
                        else
                            test_cu_spec = sc.comp_unit;
                    }
                }
                if (got_multiple)
                {
                    result.AppendErrorWithFormat("Multiple source files found matching: \"%s.\"\n", 
                                                 m_options.file_name.c_str());
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
            }
            
            SymbolContext sc;
            if (sc_list.GetContextAtIndex(0, sc))
            {
                if (sc.comp_unit)
                {
                    m_interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbers (sc.comp_unit,
                                                                                                      m_options.start_line,
                                                                                                      0,
                                                                                                      m_options.num_lines,
                                                                                                      "",
                                                                                                      &result.GetOutputStream());
                    
                    result.SetStatus (eReturnStatusSuccessFinishResult);
                }
                else
                {
                    result.AppendErrorWithFormat("No comp unit found for: \"%s.\"\n", 
                                                 m_options.file_name.c_str());
                    result.SetStatus (eReturnStatusFailed);
                    return false;
                }
            }
        }
        return result.Succeeded();
    }
Ejemplo n.º 15
0
    size_t
    DisplayFunctionSource (const SymbolContext &sc,
                           SourceInfo &source_info,
                           CommandReturnObject &result)
    {
        if (!source_info.IsValid())
        {
            source_info.function = sc.GetFunctionName();
            source_info.line_entry = sc.GetFunctionStartLineEntry();
        }
    
        if (sc.function)
        {
            Target *target = m_exe_ctx.GetTargetPtr();

            FileSpec start_file;
            uint32_t start_line;
            uint32_t end_line;
            FileSpec end_file;
            
            if (sc.block == NULL)
            {
                // Not an inlined function
                sc.function->GetStartLineSourceInfo (start_file, start_line);
                if (start_line == 0)
                {
                    result.AppendErrorWithFormat("Could not find line information for start of function: \"%s\".\n", source_info.function.GetCString());
                    result.SetStatus (eReturnStatusFailed);
                    return 0;
                }
                sc.function->GetEndLineSourceInfo (end_file, end_line);
            }
            else
            {
                // We have an inlined function
                start_file = source_info.line_entry.file;
                start_line = source_info.line_entry.line;
                end_line = start_line + m_options.num_lines;
            }

            // This is a little hacky, but the first line table entry for a function points to the "{" that
            // starts the function block.  It would be nice to actually get the function
            // declaration in there too.  So back up a bit, but not further than what you're going to display.
            uint32_t extra_lines;
            if (m_options.num_lines >= 10)
                extra_lines = 5;
            else
                extra_lines = m_options.num_lines/2;
            uint32_t line_no;
            if (start_line <= extra_lines)
                line_no = 1;
            else
                line_no = start_line - extra_lines;
            
            // For fun, if the function is shorter than the number of lines we're supposed to display,
            // only display the function...
            if (end_line != 0)
            {
                if (m_options.num_lines > end_line - line_no)
                    m_options.num_lines = end_line - line_no + extra_lines;
            }
            
            m_breakpoint_locations.Clear();

            if (m_options.show_bp_locs)
            {
                const bool show_inlines = true;
                m_breakpoint_locations.Reset (start_file, 0, show_inlines);
                SearchFilter target_search_filter (m_exe_ctx.GetTargetSP());
                target_search_filter.Search (m_breakpoint_locations);
            }
            
            result.AppendMessageWithFormat("File: %s\n", start_file.GetPath().c_str());
            return target->GetSourceManager().DisplaySourceLinesWithLineNumbers (start_file,
                                                                                 line_no,
                                                                                 0,
                                                                                 m_options.num_lines,
                                                                                 "",
                                                                                 &result.GetOutputStream(),
                                                                                 GetBreakpointLocations ());
        }
        else
        {
            result.AppendErrorWithFormat("Could not find function info for: \"%s\".\n", m_options.symbol_name.c_str());
        }
        return 0;
    }