예제 #1
0
Error
TargetList::CreateTargetInternal (Debugger &debugger,
                                  const char *user_exe_path,
                                  const char *triple_cstr,
                                  bool get_dependent_files,
                                  const OptionGroupPlatform *platform_options,
                                  TargetSP &target_sp,
                                  bool is_dummy_target)
{
    Error error;
    PlatformSP platform_sp;
    
    // This is purposely left empty unless it is specified by triple_cstr.
    // If not initialized via triple_cstr, then the currently selected platform
    // will set the architecture correctly.
    const ArchSpec arch(triple_cstr);
    if (triple_cstr && triple_cstr[0])
    {
        if (!arch.IsValid())
        {
            error.SetErrorStringWithFormat("invalid triple '%s'", triple_cstr);
            return error;
        }
    }
    
    ArchSpec platform_arch(arch);

    bool prefer_platform_arch = false;
    
    CommandInterpreter &interpreter = debugger.GetCommandInterpreter();

    // let's see if there is already an existing plaform before we go creating another...
    platform_sp = debugger.GetPlatformList().GetSelectedPlatform();

    if (platform_options && platform_options->PlatformWasSpecified ())
    {
        // Create a new platform if it doesn't match the selected platform
        if (!platform_options->PlatformMatches(platform_sp))
        {
            const bool select_platform = true;
            platform_sp = platform_options->CreatePlatformWithOptions (interpreter,
                                                                       arch,
                                                                       select_platform,
                                                                       error,
                                                                       platform_arch);
            if (!platform_sp)
                return error;
        }
    }
    
    if (user_exe_path && user_exe_path[0])
    {
        ModuleSpecList module_specs;
        ModuleSpec module_spec;
        module_spec.GetFileSpec().SetFile(user_exe_path, true);
        
        // Resolve the executable in case we are given a path to a application bundle
        // like a .app bundle on MacOSX
        Host::ResolveExecutableInBundle (module_spec.GetFileSpec());

        lldb::offset_t file_offset = 0;
        lldb::offset_t file_size = 0;
        const size_t num_specs = ObjectFile::GetModuleSpecifications (module_spec.GetFileSpec(), file_offset, file_size, module_specs);
        if (num_specs > 0)
        {
            ModuleSpec matching_module_spec;

            if (num_specs == 1)
            {
                if (module_specs.GetModuleSpecAtIndex(0, matching_module_spec))
                {
                    if (platform_arch.IsValid())
                    {
                        if (platform_arch.IsCompatibleMatch(matching_module_spec.GetArchitecture()))
                        {
                            // If the OS or vendor weren't specified, then adopt the module's
                            // architecture so that the platform matching can be more accurate
                            if (!platform_arch.TripleOSWasSpecified() || !platform_arch.TripleVendorWasSpecified())
                            {
                                prefer_platform_arch = true;
                                platform_arch = matching_module_spec.GetArchitecture();
                            }
                        }
                        else
                        {
                            StreamString platform_arch_strm;
                            StreamString module_arch_strm;

                            platform_arch.DumpTriple(platform_arch_strm);
                            matching_module_spec.GetArchitecture().DumpTriple(module_arch_strm);
                            error.SetErrorStringWithFormat("the specified architecture '%s' is not compatible with '%s' in '%s'",
                                                           platform_arch_strm.GetString().c_str(),
                                                           module_arch_strm.GetString().c_str(),
                                                           module_spec.GetFileSpec().GetPath().c_str());
                            return error;
                        }
                    }
                    else
                    {
                        // Only one arch and none was specified
                        prefer_platform_arch = true;
                        platform_arch = matching_module_spec.GetArchitecture();
                    }
                }
            }
            else
            {
                if (arch.IsValid())
                {
                    module_spec.GetArchitecture() = arch;
                    if (module_specs.FindMatchingModuleSpec(module_spec, matching_module_spec))
                    {
                        prefer_platform_arch = true;
                        platform_arch = matching_module_spec.GetArchitecture();
                    }
                }
                else
                {
                    // No architecture specified, check if there is only one platform for
                    // all of the architectures.
                    
                    typedef std::vector<PlatformSP> PlatformList;
                    PlatformList platforms;
                    PlatformSP host_platform_sp = Platform::GetHostPlatform();
                    for (size_t i=0; i<num_specs; ++i)
                    {
                        ModuleSpec module_spec;
                        if (module_specs.GetModuleSpecAtIndex(i, module_spec))
                        {
                            // See if there was a selected platform and check that first
                            // since the user may have specified it.
                            if (platform_sp)
                            {
                                if (platform_sp->IsCompatibleArchitecture(module_spec.GetArchitecture(), false, NULL))
                                {
                                    platforms.push_back(platform_sp);
                                    continue;
                                }
                            }
                            
                            // Next check the host platform it if wasn't already checked above
                            if (host_platform_sp && (!platform_sp || host_platform_sp->GetName() != platform_sp->GetName()))
                            {
                                if (host_platform_sp->IsCompatibleArchitecture(module_spec.GetArchitecture(), false, NULL))
                                {
                                    platforms.push_back(host_platform_sp);
                                    continue;
                                }
                            }
                            
                            // Just find a platform that matches the architecture in the executable file
                            PlatformSP fallback_platform_sp (Platform::GetPlatformForArchitecture(module_spec.GetArchitecture(), nullptr));
                            if (fallback_platform_sp)
                            {
                                platforms.push_back(fallback_platform_sp);
                            }
                        }
                    }
                    
                    Platform *platform_ptr = NULL;
                    bool more_than_one_platforms = false;
                    for (const auto &the_platform_sp : platforms)
                    {
                        if (platform_ptr)
                        {
                            if (platform_ptr->GetName() != the_platform_sp->GetName())
                            {
                                more_than_one_platforms = true;
                                platform_ptr = NULL;
                                break;
                            }
                        }
                        else
                        {
                            platform_ptr = the_platform_sp.get();
                        }
                    }
                    
                    if (platform_ptr)
                    {
                        // All platforms for all modules in the exectuable match, so we can select this platform
                        platform_sp = platforms.front();
                    }
                    else if (more_than_one_platforms == false)
                    {
                        // No platforms claim to support this file
                        error.SetErrorString ("No matching platforms found for this file, specify one with the --platform option");
                        return error;
                    }
                    else
                    {
                        // More than one platform claims to support this file, so the --platform option must be specified
                        StreamString error_strm;
                        std::set<Platform *> platform_set;
                        error_strm.Printf ("more than one platform supports this executable (");
                        for (const auto &the_platform_sp : platforms)
                        {
                            if (platform_set.find(the_platform_sp.get()) == platform_set.end())
                            {
                                if (!platform_set.empty())
                                    error_strm.PutCString(", ");
                                error_strm.PutCString(the_platform_sp->GetName().GetCString());
                                platform_set.insert(the_platform_sp.get());
                            }
                        }
                        error_strm.Printf("), use the --platform option to specify a platform");
                        error.SetErrorString(error_strm.GetString().c_str());
                        return error;
                    }
                }
            }
        }
    }

    // If we have a valid architecture, make sure the current platform is
    // compatible with that architecture
    if (!prefer_platform_arch && arch.IsValid())
    {
        if (!platform_sp->IsCompatibleArchitecture(arch, false, &platform_arch))
        {
            platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
            if (!is_dummy_target && platform_sp)
                debugger.GetPlatformList().SetSelectedPlatform(platform_sp);
        }
    }
    else if (platform_arch.IsValid())
    {
        // if "arch" isn't valid, yet "platform_arch" is, it means we have an executable file with
        // a single architecture which should be used
        ArchSpec fixed_platform_arch;
        if (!platform_sp->IsCompatibleArchitecture(platform_arch, false, &fixed_platform_arch))
        {
            platform_sp = Platform::GetPlatformForArchitecture(platform_arch, &fixed_platform_arch);
            if (!is_dummy_target && platform_sp)
                debugger.GetPlatformList().SetSelectedPlatform(platform_sp);
        }
    }
    
    if (!platform_arch.IsValid())
        platform_arch = arch;

    error = TargetList::CreateTargetInternal (debugger,
                                              user_exe_path,
                                              platform_arch,
                                              get_dependent_files,
                                              platform_sp,
                                              target_sp,
                                              is_dummy_target);
    return error;
}
예제 #2
0
Error
TargetList::CreateTargetInternal (Debugger &debugger,
                                  const char *user_exe_path,
                                  const ArchSpec& specified_arch,
                                  bool get_dependent_files,
                                  lldb::PlatformSP &platform_sp,
                                  lldb::TargetSP &target_sp,
                                  bool is_dummy_target)
{

    Timer scoped_timer (__PRETTY_FUNCTION__,
                        "TargetList::CreateTarget (file = '%s', arch = '%s')",
                        user_exe_path,
                        specified_arch.GetArchitectureName());
    Error error;

    ArchSpec arch(specified_arch);

    if (arch.IsValid())
    {
        if (!platform_sp || !platform_sp->IsCompatibleArchitecture(arch, false, NULL))
            platform_sp = Platform::GetPlatformForArchitecture(specified_arch, &arch);
    }
    
    if (!platform_sp)
        platform_sp = debugger.GetPlatformList().GetSelectedPlatform();

    if (!arch.IsValid())
        arch = specified_arch;

    FileSpec file (user_exe_path, false);
    if (!file.Exists() && user_exe_path && user_exe_path[0] == '~')
    {
        // we want to expand the tilde but we don't want to resolve any symbolic links
        // so we can't use the FileSpec constructor's resolve flag
        llvm::SmallString<64> unglobbed_path(user_exe_path);
        FileSpec::ResolveUsername(unglobbed_path);

        if (unglobbed_path.empty())
            file = FileSpec(user_exe_path, false);
        else
            file = FileSpec(unglobbed_path.c_str(), false);
    }

    bool user_exe_path_is_bundle = false;
    char resolved_bundle_exe_path[PATH_MAX];
    resolved_bundle_exe_path[0] = '\0';
    if (file)
    {
        if (file.GetFileType() == FileSpec::eFileTypeDirectory)
            user_exe_path_is_bundle = true;

        if (file.IsRelative() && user_exe_path)
        {
            // Ignore paths that start with "./" and "../"
            if (!((user_exe_path[0] == '.' && user_exe_path[1] == '/') ||
                  (user_exe_path[0] == '.' && user_exe_path[1] == '.' && user_exe_path[2] == '/')))
            {
                char cwd[PATH_MAX];
                if (getcwd (cwd, sizeof(cwd)))
                {
                    std::string cwd_user_exe_path (cwd);
                    cwd_user_exe_path += '/';
                    cwd_user_exe_path += user_exe_path;
                    FileSpec cwd_file (cwd_user_exe_path.c_str(), false);
                    if (cwd_file.Exists())
                        file = cwd_file;
                }
            }
        }

        ModuleSP exe_module_sp;
        if (platform_sp)
        {
            FileSpecList executable_search_paths (Target::GetDefaultExecutableSearchPaths());
            ModuleSpec module_spec(file, arch);
            error = platform_sp->ResolveExecutable (module_spec,
                                                    exe_module_sp, 
                                                    executable_search_paths.GetSize() ? &executable_search_paths : NULL);
        }

        if (error.Success() && exe_module_sp)
        {
            if (exe_module_sp->GetObjectFile() == NULL)
            {
                if (arch.IsValid())
                {
                    error.SetErrorStringWithFormat("\"%s\" doesn't contain architecture %s",
                                                   file.GetPath().c_str(),
                                                   arch.GetArchitectureName());
                }
                else
                {
                    error.SetErrorStringWithFormat("unsupported file type \"%s\"",
                                                   file.GetPath().c_str());
                }
                return error;
            }
            target_sp.reset(new Target(debugger, arch, platform_sp, is_dummy_target));
            target_sp->SetExecutableModule (exe_module_sp, get_dependent_files);
            if (user_exe_path_is_bundle)
                exe_module_sp->GetFileSpec().GetPath(resolved_bundle_exe_path, sizeof(resolved_bundle_exe_path));
        }
    }
    else
    {
        // No file was specified, just create an empty target with any arch
        // if a valid arch was specified
        target_sp.reset(new Target(debugger, arch, platform_sp, is_dummy_target));
    }

    if (target_sp)
    {
        // Set argv0 with what the user typed, unless the user specified a
        // directory. If the user specified a directory, then it is probably a
        // bundle that was resolved and we need to use the resolved bundle path
        if (user_exe_path)
        {
            // Use exactly what the user typed as the first argument when we exec or posix_spawn
            if (user_exe_path_is_bundle && resolved_bundle_exe_path[0])
            {
                target_sp->SetArg0 (resolved_bundle_exe_path);
            }
            else
            {
                // Use resolved path
                target_sp->SetArg0 (file.GetPath().c_str());
            }
        }
        if (file.GetDirectory())
        {
            FileSpec file_dir;
            file_dir.GetDirectory() = file.GetDirectory();
            target_sp->GetExecutableSearchPaths ().Append (file_dir);
        }

        // Don't put the dummy target in the target list, it's held separately.
        if (!is_dummy_target)
        {
            Mutex::Locker locker(m_target_list_mutex);
            m_selected_target_idx = m_target_list.size();
            m_target_list.push_back(target_sp);
            // Now prime this from the dummy target:
            target_sp->PrimeFromDummyTarget(debugger.GetDummyTarget());
        }
        else
        {
            m_dummy_target_sp = target_sp;
        }
    }

    return error;
}
예제 #3
0
Error
TargetList::CreateTarget
(
    Debugger &debugger,
    const FileSpec& file,
    const ArchSpec& specified_arch,
    bool get_dependent_files,
    PlatformSP &platform_sp,
    TargetSP &target_sp
)
{
    Timer scoped_timer (__PRETTY_FUNCTION__,
                        "TargetList::CreateTarget (file = '%s/%s', arch = '%s')",
                        file.GetDirectory().AsCString(),
                        file.GetFilename().AsCString(),
                        specified_arch.GetArchitectureName());
    Error error;

    ArchSpec arch(specified_arch);

    if (platform_sp)
    {
        if (arch.IsValid())
        {
            if (!platform_sp->IsCompatibleArchitecture(arch))
                platform_sp = Platform::GetPlatformForArchitecture(specified_arch, &arch);
        }
    }
    else if (arch.IsValid())
    {
        platform_sp = Platform::GetPlatformForArchitecture(specified_arch, &arch);
    }
    
    if (!platform_sp)
        platform_sp = debugger.GetPlatformList().GetSelectedPlatform();

    if (!arch.IsValid())
        arch = specified_arch;
    

    if (file)
    {
        ModuleSP exe_module_sp;
        FileSpec resolved_file(file);
        if (platform_sp)
        {
            FileSpecList executable_search_paths (Target::GetDefaultExecutableSearchPaths());
            error = platform_sp->ResolveExecutable (file,
                                                    arch,
                                                    exe_module_sp, 
                                                    executable_search_paths.GetSize() ? &executable_search_paths : NULL);
        }

        if (error.Success() && exe_module_sp)
        {
            if (exe_module_sp->GetObjectFile() == NULL)
            {
                if (arch.IsValid())
                {
                    error.SetErrorStringWithFormat("\"%s%s%s\" doesn't contain architecture %s",
                                                   file.GetDirectory().AsCString(),
                                                   file.GetDirectory() ? "/" : "",
                                                   file.GetFilename().AsCString(),
                                                   arch.GetArchitectureName());
                }
                else
                {
                    error.SetErrorStringWithFormat("unsupported file type \"%s%s%s\"",
                                                   file.GetDirectory().AsCString(),
                                                   file.GetDirectory() ? "/" : "",
                                                   file.GetFilename().AsCString());
                }
                return error;
            }
            target_sp.reset(new Target(debugger, arch, platform_sp));
            target_sp->SetExecutableModule (exe_module_sp, get_dependent_files);
        }
    }
    else
    {
        // No file was specified, just create an empty target with any arch
        // if a valid arch was specified
        target_sp.reset(new Target(debugger, arch, platform_sp));
    }

    if (target_sp)
    {
        target_sp->UpdateInstanceName();        

        Mutex::Locker locker(m_target_list_mutex);
        m_selected_target_idx = m_target_list.size();
        m_target_list.push_back(target_sp);
    }

    return error;
}
예제 #4
0
Error
TargetList::CreateTarget (Debugger &debugger,
                          const FileSpec& file,
                          const char *triple_cstr,
                          bool get_dependent_files,
                          const OptionGroupPlatform *platform_options,
                          TargetSP &target_sp)
{
    Error error;
    PlatformSP platform_sp;
    
    // This is purposely left empty unless it is specified by triple_cstr.
    // If not initialized via triple_cstr, then the currently selected platform
    // will set the architecture correctly.
    const ArchSpec arch(triple_cstr);
    if (triple_cstr && triple_cstr[0])
    {
        if (!arch.IsValid())
        {
            error.SetErrorStringWithFormat("invalid triple '%s'", triple_cstr);
            return error;
        }
    }

    ArchSpec platform_arch(arch);
    CommandInterpreter &interpreter = debugger.GetCommandInterpreter();
    if (platform_options)
    {
        if (platform_options->PlatformWasSpecified ())
        {
            const bool select_platform = true;
            platform_sp = platform_options->CreatePlatformWithOptions (interpreter,
                                                                       arch,
                                                                       select_platform, 
                                                                       error,
                                                                       platform_arch);
            if (!platform_sp)
                return error;
        }
    }
    
    if (!platform_sp)
    {
        // Get the current platform and make sure it is compatible with the
        // current architecture if we have a valid architecture.
        platform_sp = debugger.GetPlatformList().GetSelectedPlatform ();
        
        if (arch.IsValid() && !platform_sp->IsCompatibleArchitecture(arch, &platform_arch))
        {
            platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
        }
    }
    
    if (!platform_arch.IsValid())
        platform_arch = arch;

    error = TargetList::CreateTarget (debugger,
                                      file,
                                      platform_arch,
                                      get_dependent_files,
                                      platform_sp,
                                      target_sp);

    if (target_sp)
    {
        if (file.GetDirectory())
        {
            FileSpec file_dir;
            file_dir.GetDirectory() = file.GetDirectory();
            target_sp->GetExecutableSearchPaths ().Append (file_dir);
        }
    }
    return error;
}
예제 #5
0
Error
TargetList::CreateTarget (Debugger &debugger,
                          const char *user_exe_path,
                          const char *triple_cstr,
                          bool get_dependent_files,
                          const OptionGroupPlatform *platform_options,
                          TargetSP &target_sp)
{
    Error error;
    PlatformSP platform_sp;
    
    // This is purposely left empty unless it is specified by triple_cstr.
    // If not initialized via triple_cstr, then the currently selected platform
    // will set the architecture correctly.
    const ArchSpec arch(triple_cstr);
    if (triple_cstr && triple_cstr[0])
    {
        if (!arch.IsValid())
        {
            error.SetErrorStringWithFormat("invalid triple '%s'", triple_cstr);
            return error;
        }
    }
    
    ArchSpec platform_arch(arch);

    bool prefer_platform_arch = false;
    
    if (user_exe_path && user_exe_path[0])
    {
        ModuleSpecList module_specs;
        ModuleSpec module_spec;
        module_spec.GetFileSpec().SetFile(user_exe_path, true);
        
        // Resolve the executable in case we are given a path to a application bundle
        // like a .app bundle on MacOSX
        Host::ResolveExecutableInBundle (module_spec.GetFileSpec());

        lldb::offset_t file_offset = 0;
        lldb::offset_t file_size = 0;
        const size_t num_specs = ObjectFile::GetModuleSpecifications (module_spec.GetFileSpec(), file_offset, file_size, module_specs);
        if (num_specs > 0)
        {
            ModuleSpec matching_module_spec;

            if (num_specs == 1)
            {
                if (module_specs.GetModuleSpecAtIndex(0, matching_module_spec))
                {
                    if (platform_arch.IsValid())
                    {
                        if (platform_arch.IsCompatibleMatch(matching_module_spec.GetArchitecture()))
                        {
                            // If the OS or vendor weren't specified, then adopt the module's
                            // architecture so that the platform matching can be more accurate
                            if (!platform_arch.TripleOSWasSpecified() || !platform_arch.TripleVendorWasSpecified())
                            {
                                prefer_platform_arch = true;
                                platform_arch = matching_module_spec.GetArchitecture();
                            }
                        }
                        else
                        {
                            error.SetErrorStringWithFormat("the specified architecture '%s' is not compatible with '%s' in '%s'",
                                                           platform_arch.GetTriple().str().c_str(),
                                                           matching_module_spec.GetArchitecture().GetTriple().str().c_str(),
                                                           module_spec.GetFileSpec().GetPath().c_str());
                            return error;
                        }
                    }
                    else
                    {
                        // Only one arch and none was specified
                        prefer_platform_arch = true;
                        platform_arch = matching_module_spec.GetArchitecture();
                    }
                }
            }
            else
            {
                if (arch.IsValid())
                {
                    module_spec.GetArchitecture() = arch;
                    if (module_specs.FindMatchingModuleSpec(module_spec, matching_module_spec))
                    {
                        prefer_platform_arch = true;
                        platform_arch = matching_module_spec.GetArchitecture();
                    }
                }
            }
        }
    }

    CommandInterpreter &interpreter = debugger.GetCommandInterpreter();
    if (platform_options)
    {
        if (platform_options->PlatformWasSpecified ())
        {
            const bool select_platform = true;
            platform_sp = platform_options->CreatePlatformWithOptions (interpreter,
                                                                       arch,
                                                                       select_platform, 
                                                                       error,
                                                                       platform_arch);
            if (!platform_sp)
                return error;
        }
    }
    
    if (!platform_sp)
    {
        // Get the current platform and make sure it is compatible with the
        // current architecture if we have a valid architecture.
        platform_sp = debugger.GetPlatformList().GetSelectedPlatform ();
        
        if (!prefer_platform_arch && arch.IsValid())
        {
            if (!platform_sp->IsCompatibleArchitecture(arch, false, &platform_arch))
                platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
        }
        else if (platform_arch.IsValid())
        {
            // if "arch" isn't valid, yet "platform_arch" is, it means we have an executable file with
            // a single architecture which should be used
            ArchSpec fixed_platform_arch;
            if (!platform_sp->IsCompatibleArchitecture(platform_arch, false, &fixed_platform_arch))
                platform_sp = Platform::GetPlatformForArchitecture(platform_arch, &fixed_platform_arch);
        }
    }
    
    if (!platform_arch.IsValid())
        platform_arch = arch;

    error = TargetList::CreateTarget (debugger,
                                      user_exe_path,
                                      platform_arch,
                                      get_dependent_files,
                                      platform_sp,
                                      target_sp);
    return error;
}