diff options
Diffstat (limited to 'source/Plugins/Platform/POSIX/PlatformPOSIX.cpp')
| -rw-r--r-- | source/Plugins/Platform/POSIX/PlatformPOSIX.cpp | 1578 |
1 files changed, 710 insertions, 868 deletions
diff --git a/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp b/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp index bc890695f0ce..e51029c3630b 100644 --- a/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp +++ b/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp @@ -35,18 +35,15 @@ using namespace lldb; using namespace lldb_private; - //------------------------------------------------------------------ /// Default Constructor //------------------------------------------------------------------ -PlatformPOSIX::PlatformPOSIX (bool is_host) : -Platform(is_host), // This is the local host platform -m_option_group_platform_rsync(new OptionGroupPlatformRSync()), -m_option_group_platform_ssh(new OptionGroupPlatformSSH()), -m_option_group_platform_caching(new OptionGroupPlatformCaching()), -m_remote_platform_sp () -{ -} +PlatformPOSIX::PlatformPOSIX(bool is_host) + : Platform(is_host), // This is the local host platform + m_option_group_platform_rsync(new OptionGroupPlatformRSync()), + m_option_group_platform_ssh(new OptionGroupPlatformSSH()), + m_option_group_platform_caching(new OptionGroupPlatformCaching()), + m_remote_platform_sp() {} //------------------------------------------------------------------ /// Destructor. @@ -54,858 +51,711 @@ m_remote_platform_sp () /// The destructor is virtual since this class is designed to be /// inherited from by the plug-in instance. //------------------------------------------------------------------ -PlatformPOSIX::~PlatformPOSIX() -{ -} - -bool -PlatformPOSIX::GetModuleSpec (const FileSpec& module_file_spec, - const ArchSpec& arch, - ModuleSpec &module_spec) -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->GetModuleSpec (module_file_spec, arch, module_spec); - - return Platform::GetModuleSpec (module_file_spec, arch, module_spec); -} - -lldb_private::OptionGroupOptions* -PlatformPOSIX::GetConnectionOptions (lldb_private::CommandInterpreter& interpreter) -{ - auto iter = m_options.find(&interpreter), end = m_options.end(); - if (iter == end) - { - std::unique_ptr<lldb_private::OptionGroupOptions> options(new OptionGroupOptions(interpreter)); - options->Append(m_option_group_platform_rsync.get()); - options->Append(m_option_group_platform_ssh.get()); - options->Append(m_option_group_platform_caching.get()); - m_options[&interpreter] = std::move(options); - } - - return m_options.at(&interpreter).get(); -} - -bool -PlatformPOSIX::IsConnected () const -{ - if (IsHost()) - return true; - else if (m_remote_platform_sp) - return m_remote_platform_sp->IsConnected(); - return false; -} - -lldb_private::Error -PlatformPOSIX::RunShellCommand(const char *command, // Shouldn't be NULL - const FileSpec &working_dir, // Pass empty FileSpec to use the current working directory - int *status_ptr, // Pass NULL if you don't want the process exit status - int *signo_ptr, // Pass NULL if you don't want the signal that caused the process to exit - std::string *command_output, // Pass NULL if you don't want the command output - uint32_t timeout_sec) // Timeout in seconds to wait for shell program to finish -{ - if (IsHost()) - return Host::RunShellCommand(command, working_dir, status_ptr, signo_ptr, command_output, timeout_sec); - else - { - if (m_remote_platform_sp) - return m_remote_platform_sp->RunShellCommand(command, working_dir, status_ptr, signo_ptr, command_output, timeout_sec); - else - return Error("unable to run a remote command without a platform"); - } -} - -Error -PlatformPOSIX::MakeDirectory(const FileSpec &file_spec, uint32_t file_permissions) -{ +PlatformPOSIX::~PlatformPOSIX() {} + +bool PlatformPOSIX::GetModuleSpec(const FileSpec &module_file_spec, + const ArchSpec &arch, + ModuleSpec &module_spec) { + if (m_remote_platform_sp) + return m_remote_platform_sp->GetModuleSpec(module_file_spec, arch, + module_spec); + + return Platform::GetModuleSpec(module_file_spec, arch, module_spec); +} + +lldb_private::OptionGroupOptions *PlatformPOSIX::GetConnectionOptions( + lldb_private::CommandInterpreter &interpreter) { + auto iter = m_options.find(&interpreter), end = m_options.end(); + if (iter == end) { + std::unique_ptr<lldb_private::OptionGroupOptions> options( + new OptionGroupOptions()); + options->Append(m_option_group_platform_rsync.get()); + options->Append(m_option_group_platform_ssh.get()); + options->Append(m_option_group_platform_caching.get()); + m_options[&interpreter] = std::move(options); + } + + return m_options.at(&interpreter).get(); +} + +bool PlatformPOSIX::IsConnected() const { + if (IsHost()) + return true; + else if (m_remote_platform_sp) + return m_remote_platform_sp->IsConnected(); + return false; +} + +lldb_private::Error PlatformPOSIX::RunShellCommand( + const char *command, // Shouldn't be NULL + const FileSpec & + working_dir, // Pass empty FileSpec to use the current working directory + int *status_ptr, // Pass NULL if you don't want the process exit status + int *signo_ptr, // Pass NULL if you don't want the signal that caused the + // process to exit + std::string + *command_output, // Pass NULL if you don't want the command output + uint32_t + timeout_sec) // Timeout in seconds to wait for shell program to finish +{ + if (IsHost()) + return Host::RunShellCommand(command, working_dir, status_ptr, signo_ptr, + command_output, timeout_sec); + else { if (m_remote_platform_sp) - return m_remote_platform_sp->MakeDirectory(file_spec, file_permissions); - else - return Platform::MakeDirectory(file_spec ,file_permissions); -} - -Error -PlatformPOSIX::GetFilePermissions(const FileSpec &file_spec, uint32_t &file_permissions) -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->GetFilePermissions(file_spec, file_permissions); - else - return Platform::GetFilePermissions(file_spec ,file_permissions); -} - -Error -PlatformPOSIX::SetFilePermissions(const FileSpec &file_spec, uint32_t file_permissions) -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->SetFilePermissions(file_spec, file_permissions); - else - return Platform::SetFilePermissions(file_spec, file_permissions); -} - -lldb::user_id_t -PlatformPOSIX::OpenFile (const FileSpec& file_spec, - uint32_t flags, - uint32_t mode, - Error &error) -{ - if (IsHost()) - return FileCache::GetInstance().OpenFile(file_spec, flags, mode, error); - else if (m_remote_platform_sp) - return m_remote_platform_sp->OpenFile(file_spec, flags, mode, error); - else - return Platform::OpenFile(file_spec, flags, mode, error); -} - -bool -PlatformPOSIX::CloseFile (lldb::user_id_t fd, Error &error) -{ - if (IsHost()) - return FileCache::GetInstance().CloseFile(fd, error); - else if (m_remote_platform_sp) - return m_remote_platform_sp->CloseFile(fd, error); - else - return Platform::CloseFile(fd, error); -} - -uint64_t -PlatformPOSIX::ReadFile (lldb::user_id_t fd, - uint64_t offset, - void *dst, - uint64_t dst_len, - Error &error) -{ - if (IsHost()) - return FileCache::GetInstance().ReadFile(fd, offset, dst, dst_len, error); - else if (m_remote_platform_sp) - return m_remote_platform_sp->ReadFile(fd, offset, dst, dst_len, error); - else - return Platform::ReadFile(fd, offset, dst, dst_len, error); -} - -uint64_t -PlatformPOSIX::WriteFile (lldb::user_id_t fd, - uint64_t offset, - const void* src, - uint64_t src_len, - Error &error) -{ - if (IsHost()) - return FileCache::GetInstance().WriteFile(fd, offset, src, src_len, error); - else if (m_remote_platform_sp) - return m_remote_platform_sp->WriteFile(fd, offset, src, src_len, error); + return m_remote_platform_sp->RunShellCommand(command, working_dir, + status_ptr, signo_ptr, + command_output, timeout_sec); else - return Platform::WriteFile(fd, offset, src, src_len, error); + return Error("unable to run a remote command without a platform"); + } +} + +Error PlatformPOSIX::MakeDirectory(const FileSpec &file_spec, + uint32_t file_permissions) { + if (m_remote_platform_sp) + return m_remote_platform_sp->MakeDirectory(file_spec, file_permissions); + else + return Platform::MakeDirectory(file_spec, file_permissions); +} + +Error PlatformPOSIX::GetFilePermissions(const FileSpec &file_spec, + uint32_t &file_permissions) { + if (m_remote_platform_sp) + return m_remote_platform_sp->GetFilePermissions(file_spec, + file_permissions); + else + return Platform::GetFilePermissions(file_spec, file_permissions); +} + +Error PlatformPOSIX::SetFilePermissions(const FileSpec &file_spec, + uint32_t file_permissions) { + if (m_remote_platform_sp) + return m_remote_platform_sp->SetFilePermissions(file_spec, + file_permissions); + else + return Platform::SetFilePermissions(file_spec, file_permissions); +} + +lldb::user_id_t PlatformPOSIX::OpenFile(const FileSpec &file_spec, + uint32_t flags, uint32_t mode, + Error &error) { + if (IsHost()) + return FileCache::GetInstance().OpenFile(file_spec, flags, mode, error); + else if (m_remote_platform_sp) + return m_remote_platform_sp->OpenFile(file_spec, flags, mode, error); + else + return Platform::OpenFile(file_spec, flags, mode, error); +} + +bool PlatformPOSIX::CloseFile(lldb::user_id_t fd, Error &error) { + if (IsHost()) + return FileCache::GetInstance().CloseFile(fd, error); + else if (m_remote_platform_sp) + return m_remote_platform_sp->CloseFile(fd, error); + else + return Platform::CloseFile(fd, error); +} + +uint64_t PlatformPOSIX::ReadFile(lldb::user_id_t fd, uint64_t offset, void *dst, + uint64_t dst_len, Error &error) { + if (IsHost()) + return FileCache::GetInstance().ReadFile(fd, offset, dst, dst_len, error); + else if (m_remote_platform_sp) + return m_remote_platform_sp->ReadFile(fd, offset, dst, dst_len, error); + else + return Platform::ReadFile(fd, offset, dst, dst_len, error); +} + +uint64_t PlatformPOSIX::WriteFile(lldb::user_id_t fd, uint64_t offset, + const void *src, uint64_t src_len, + Error &error) { + if (IsHost()) + return FileCache::GetInstance().WriteFile(fd, offset, src, src_len, error); + else if (m_remote_platform_sp) + return m_remote_platform_sp->WriteFile(fd, offset, src, src_len, error); + else + return Platform::WriteFile(fd, offset, src, src_len, error); +} + +static uint32_t chown_file(Platform *platform, const char *path, + uint32_t uid = UINT32_MAX, + uint32_t gid = UINT32_MAX) { + if (!platform || !path || *path == 0) + return UINT32_MAX; + + if (uid == UINT32_MAX && gid == UINT32_MAX) + return 0; // pretend I did chown correctly - actually I just didn't care + + StreamString command; + command.PutCString("chown "); + if (uid != UINT32_MAX) + command.Printf("%d", uid); + if (gid != UINT32_MAX) + command.Printf(":%d", gid); + command.Printf("%s", path); + int status; + platform->RunShellCommand(command.GetData(), NULL, &status, NULL, NULL, 10); + return status; } -static uint32_t -chown_file(Platform *platform, - const char* path, - uint32_t uid = UINT32_MAX, - uint32_t gid = UINT32_MAX) -{ - if (!platform || !path || *path == 0) - return UINT32_MAX; - - if (uid == UINT32_MAX && gid == UINT32_MAX) - return 0; // pretend I did chown correctly - actually I just didn't care - +lldb_private::Error +PlatformPOSIX::PutFile(const lldb_private::FileSpec &source, + const lldb_private::FileSpec &destination, uint32_t uid, + uint32_t gid) { + Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); + + if (IsHost()) { + if (FileSpec::Equal(source, destination, true)) + return Error(); + // cp src dst + // chown uid:gid dst + std::string src_path(source.GetPath()); + if (src_path.empty()) + return Error("unable to get file path for source"); + std::string dst_path(destination.GetPath()); + if (dst_path.empty()) + return Error("unable to get file path for destination"); StreamString command; - command.PutCString("chown "); - if (uid != UINT32_MAX) - command.Printf("%d",uid); - if (gid != UINT32_MAX) - command.Printf(":%d",gid); - command.Printf("%s",path); + command.Printf("cp %s %s", src_path.c_str(), dst_path.c_str()); int status; - platform->RunShellCommand(command.GetData(), - NULL, - &status, - NULL, - NULL, - 10); - return status; -} - -lldb_private::Error -PlatformPOSIX::PutFile (const lldb_private::FileSpec& source, - const lldb_private::FileSpec& destination, - uint32_t uid, - uint32_t gid) -{ - Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); - - if (IsHost()) - { - if (FileSpec::Equal(source, destination, true)) - return Error(); - // cp src dst - // chown uid:gid dst - std::string src_path (source.GetPath()); - if (src_path.empty()) - return Error("unable to get file path for source"); - std::string dst_path (destination.GetPath()); - if (dst_path.empty()) - return Error("unable to get file path for destination"); - StreamString command; - command.Printf("cp %s %s", src_path.c_str(), dst_path.c_str()); - int status; - RunShellCommand(command.GetData(), - NULL, - &status, - NULL, - NULL, - 10); - if (status != 0) - return Error("unable to perform copy"); - if (uid == UINT32_MAX && gid == UINT32_MAX) - return Error(); - if (chown_file(this,dst_path.c_str(),uid,gid) != 0) - return Error("unable to perform chown"); + RunShellCommand(command.GetData(), NULL, &status, NULL, NULL, 10); + if (status != 0) + return Error("unable to perform copy"); + if (uid == UINT32_MAX && gid == UINT32_MAX) + return Error(); + if (chown_file(this, dst_path.c_str(), uid, gid) != 0) + return Error("unable to perform chown"); + return Error(); + } else if (m_remote_platform_sp) { + if (GetSupportsRSync()) { + std::string src_path(source.GetPath()); + if (src_path.empty()) + return Error("unable to get file path for source"); + std::string dst_path(destination.GetPath()); + if (dst_path.empty()) + return Error("unable to get file path for destination"); + StreamString command; + if (GetIgnoresRemoteHostname()) { + if (!GetRSyncPrefix()) + command.Printf("rsync %s %s %s", GetRSyncOpts(), src_path.c_str(), + dst_path.c_str()); + else + command.Printf("rsync %s %s %s%s", GetRSyncOpts(), src_path.c_str(), + GetRSyncPrefix(), dst_path.c_str()); + } else + command.Printf("rsync %s %s %s:%s", GetRSyncOpts(), src_path.c_str(), + GetHostname(), dst_path.c_str()); + if (log) + log->Printf("[PutFile] Running command: %s\n", command.GetData()); + int retcode; + Host::RunShellCommand(command.GetData(), NULL, &retcode, NULL, NULL, 60); + if (retcode == 0) { + // Don't chown a local file for a remote system + // if (chown_file(this,dst_path.c_str(),uid,gid) != 0) + // return Error("unable to perform chown"); return Error(); + } + // if we are still here rsync has failed - let's try the slow way before + // giving up } - else if (m_remote_platform_sp) - { - if (GetSupportsRSync()) - { - std::string src_path (source.GetPath()); - if (src_path.empty()) - return Error("unable to get file path for source"); - std::string dst_path (destination.GetPath()); - if (dst_path.empty()) - return Error("unable to get file path for destination"); - StreamString command; - if (GetIgnoresRemoteHostname()) - { - if (!GetRSyncPrefix()) - command.Printf("rsync %s %s %s", - GetRSyncOpts(), - src_path.c_str(), - dst_path.c_str()); - else - command.Printf("rsync %s %s %s%s", - GetRSyncOpts(), - src_path.c_str(), - GetRSyncPrefix(), - dst_path.c_str()); - } - else - command.Printf("rsync %s %s %s:%s", - GetRSyncOpts(), - src_path.c_str(), - GetHostname(), - dst_path.c_str()); - if (log) - log->Printf("[PutFile] Running command: %s\n", command.GetData()); - int retcode; - Host::RunShellCommand(command.GetData(), - NULL, - &retcode, - NULL, - NULL, - 60); - if (retcode == 0) - { - // Don't chown a local file for a remote system -// if (chown_file(this,dst_path.c_str(),uid,gid) != 0) -// return Error("unable to perform chown"); - return Error(); - } - // if we are still here rsync has failed - let's try the slow way before giving up - } + } + return Platform::PutFile(source, destination, uid, gid); +} + +lldb::user_id_t PlatformPOSIX::GetFileSize(const FileSpec &file_spec) { + if (IsHost()) + return FileSystem::GetFileSize(file_spec); + else if (m_remote_platform_sp) + return m_remote_platform_sp->GetFileSize(file_spec); + else + return Platform::GetFileSize(file_spec); +} + +Error PlatformPOSIX::CreateSymlink(const FileSpec &src, const FileSpec &dst) { + if (IsHost()) + return FileSystem::Symlink(src, dst); + else if (m_remote_platform_sp) + return m_remote_platform_sp->CreateSymlink(src, dst); + else + return Platform::CreateSymlink(src, dst); +} + +bool PlatformPOSIX::GetFileExists(const FileSpec &file_spec) { + if (IsHost()) + return file_spec.Exists(); + else if (m_remote_platform_sp) + return m_remote_platform_sp->GetFileExists(file_spec); + else + return Platform::GetFileExists(file_spec); +} + +Error PlatformPOSIX::Unlink(const FileSpec &file_spec) { + if (IsHost()) + return FileSystem::Unlink(file_spec); + else if (m_remote_platform_sp) + return m_remote_platform_sp->Unlink(file_spec); + else + return Platform::Unlink(file_spec); +} + +lldb_private::Error PlatformPOSIX::GetFile( + const lldb_private::FileSpec &source, // remote file path + const lldb_private::FileSpec &destination) // local file path +{ + Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); + + // Check the args, first. + std::string src_path(source.GetPath()); + if (src_path.empty()) + return Error("unable to get file path for source"); + std::string dst_path(destination.GetPath()); + if (dst_path.empty()) + return Error("unable to get file path for destination"); + if (IsHost()) { + if (FileSpec::Equal(source, destination, true)) + return Error("local scenario->source and destination are the same file " + "path: no operation performed"); + // cp src dst + StreamString cp_command; + cp_command.Printf("cp %s %s", src_path.c_str(), dst_path.c_str()); + int status; + RunShellCommand(cp_command.GetData(), NULL, &status, NULL, NULL, 10); + if (status != 0) + return Error("unable to perform copy"); + return Error(); + } else if (m_remote_platform_sp) { + if (GetSupportsRSync()) { + StreamString command; + if (GetIgnoresRemoteHostname()) { + if (!GetRSyncPrefix()) + command.Printf("rsync %s %s %s", GetRSyncOpts(), src_path.c_str(), + dst_path.c_str()); + else + command.Printf("rsync %s %s%s %s", GetRSyncOpts(), GetRSyncPrefix(), + src_path.c_str(), dst_path.c_str()); + } else + command.Printf("rsync %s %s:%s %s", GetRSyncOpts(), + m_remote_platform_sp->GetHostname(), src_path.c_str(), + dst_path.c_str()); + if (log) + log->Printf("[GetFile] Running command: %s\n", command.GetData()); + int retcode; + Host::RunShellCommand(command.GetData(), NULL, &retcode, NULL, NULL, 60); + if (retcode == 0) + return Error(); + // If we are here, rsync has failed - let's try the slow way before giving + // up } - return Platform::PutFile(source,destination,uid,gid); -} + // open src and dst + // read/write, read/write, read/write, ... + // close src + // close dst + if (log) + log->Printf("[GetFile] Using block by block transfer....\n"); + Error error; + user_id_t fd_src = OpenFile(source, File::eOpenOptionRead, + lldb::eFilePermissionsFileDefault, error); -lldb::user_id_t -PlatformPOSIX::GetFileSize (const FileSpec& file_spec) -{ - if (IsHost()) - return FileSystem::GetFileSize(file_spec); - else if (m_remote_platform_sp) - return m_remote_platform_sp->GetFileSize(file_spec); - else - return Platform::GetFileSize(file_spec); -} + if (fd_src == UINT64_MAX) + return Error("unable to open source file"); -Error -PlatformPOSIX::CreateSymlink(const FileSpec &src, const FileSpec &dst) -{ - if (IsHost()) - return FileSystem::Symlink(src, dst); - else if (m_remote_platform_sp) - return m_remote_platform_sp->CreateSymlink(src, dst); - else - return Platform::CreateSymlink(src, dst); -} + uint32_t permissions = 0; + error = GetFilePermissions(source, permissions); -bool -PlatformPOSIX::GetFileExists (const FileSpec& file_spec) -{ - if (IsHost()) - return file_spec.Exists(); - else if (m_remote_platform_sp) - return m_remote_platform_sp->GetFileExists(file_spec); - else - return Platform::GetFileExists(file_spec); -} + if (permissions == 0) + permissions = lldb::eFilePermissionsFileDefault; -Error -PlatformPOSIX::Unlink(const FileSpec &file_spec) -{ - if (IsHost()) - return FileSystem::Unlink(file_spec); - else if (m_remote_platform_sp) - return m_remote_platform_sp->Unlink(file_spec); - else - return Platform::Unlink(file_spec); -} + user_id_t fd_dst = FileCache::GetInstance().OpenFile( + destination, File::eOpenOptionCanCreate | File::eOpenOptionWrite | + File::eOpenOptionTruncate, + permissions, error); -lldb_private::Error -PlatformPOSIX::GetFile(const lldb_private::FileSpec &source, // remote file path - const lldb_private::FileSpec &destination) // local file path -{ - Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); - - // Check the args, first. - std::string src_path (source.GetPath()); - if (src_path.empty()) - return Error("unable to get file path for source"); - std::string dst_path (destination.GetPath()); - if (dst_path.empty()) - return Error("unable to get file path for destination"); - if (IsHost()) - { - if (FileSpec::Equal(source, destination, true)) - return Error("local scenario->source and destination are the same file path: no operation performed"); - // cp src dst - StreamString cp_command; - cp_command.Printf("cp %s %s", src_path.c_str(), dst_path.c_str()); - int status; - RunShellCommand(cp_command.GetData(), - NULL, - &status, - NULL, - NULL, - 10); - if (status != 0) - return Error("unable to perform copy"); - return Error(); + if (fd_dst == UINT64_MAX) { + if (error.Success()) + error.SetErrorString("unable to open destination file"); } - else if (m_remote_platform_sp) - { - if (GetSupportsRSync()) - { - StreamString command; - if (GetIgnoresRemoteHostname()) - { - if (!GetRSyncPrefix()) - command.Printf("rsync %s %s %s", - GetRSyncOpts(), - src_path.c_str(), - dst_path.c_str()); - else - command.Printf("rsync %s %s%s %s", - GetRSyncOpts(), - GetRSyncPrefix(), - src_path.c_str(), - dst_path.c_str()); - } - else - command.Printf("rsync %s %s:%s %s", - GetRSyncOpts(), - m_remote_platform_sp->GetHostname(), - src_path.c_str(), - dst_path.c_str()); - if (log) - log->Printf("[GetFile] Running command: %s\n", command.GetData()); - int retcode; - Host::RunShellCommand(command.GetData(), - NULL, - &retcode, - NULL, - NULL, - 60); - if (retcode == 0) - return Error(); - // If we are here, rsync has failed - let's try the slow way before giving up - } - // open src and dst - // read/write, read/write, read/write, ... - // close src - // close dst - if (log) - log->Printf("[GetFile] Using block by block transfer....\n"); - Error error; - user_id_t fd_src = OpenFile (source, - File::eOpenOptionRead, - lldb::eFilePermissionsFileDefault, - error); - - if (fd_src == UINT64_MAX) - return Error("unable to open source file"); - - uint32_t permissions = 0; - error = GetFilePermissions(source, permissions); - - if (permissions == 0) - permissions = lldb::eFilePermissionsFileDefault; - - user_id_t fd_dst = FileCache::GetInstance().OpenFile( - destination, File::eOpenOptionCanCreate | File::eOpenOptionWrite | File::eOpenOptionTruncate, permissions, - error); - - if (fd_dst == UINT64_MAX) - { - if (error.Success()) - error.SetErrorString("unable to open destination file"); - } - - if (error.Success()) - { - lldb::DataBufferSP buffer_sp(new DataBufferHeap(1024, 0)); - uint64_t offset = 0; - error.Clear(); - while (error.Success()) - { - const uint64_t n_read = ReadFile (fd_src, - offset, - buffer_sp->GetBytes(), - buffer_sp->GetByteSize(), - error); - if (error.Fail()) - break; - if (n_read == 0) - break; - if (FileCache::GetInstance().WriteFile(fd_dst, offset, buffer_sp->GetBytes(), n_read, error) != n_read) - { - if (!error.Fail()) - error.SetErrorString("unable to write to destination file"); - break; - } - offset += n_read; - } - } - // Ignore the close error of src. - if (fd_src != UINT64_MAX) - CloseFile(fd_src, error); - // And close the dst file descriptot. - if (fd_dst != UINT64_MAX && !FileCache::GetInstance().CloseFile(fd_dst, error)) - { - if (!error.Fail()) - error.SetErrorString("unable to close destination file"); + if (error.Success()) { + lldb::DataBufferSP buffer_sp(new DataBufferHeap(1024, 0)); + uint64_t offset = 0; + error.Clear(); + while (error.Success()) { + const uint64_t n_read = ReadFile(fd_src, offset, buffer_sp->GetBytes(), + buffer_sp->GetByteSize(), error); + if (error.Fail()) + break; + if (n_read == 0) + break; + if (FileCache::GetInstance().WriteFile(fd_dst, offset, + buffer_sp->GetBytes(), n_read, + error) != n_read) { + if (!error.Fail()) + error.SetErrorString("unable to write to destination file"); + break; } - return error; + offset += n_read; + } } - return Platform::GetFile(source,destination); -} - -std::string -PlatformPOSIX::GetPlatformSpecificConnectionInformation() -{ - StreamString stream; - if (GetSupportsRSync()) - { - stream.PutCString("rsync"); - if ( (GetRSyncOpts() && *GetRSyncOpts()) || - (GetRSyncPrefix() && *GetRSyncPrefix()) || - GetIgnoresRemoteHostname()) - { - stream.Printf(", options: "); - if (GetRSyncOpts() && *GetRSyncOpts()) - stream.Printf("'%s' ",GetRSyncOpts()); - stream.Printf(", prefix: "); - if (GetRSyncPrefix() && *GetRSyncPrefix()) - stream.Printf("'%s' ",GetRSyncPrefix()); - if (GetIgnoresRemoteHostname()) - stream.Printf("ignore remote-hostname "); - } + // Ignore the close error of src. + if (fd_src != UINT64_MAX) + CloseFile(fd_src, error); + // And close the dst file descriptot. + if (fd_dst != UINT64_MAX && + !FileCache::GetInstance().CloseFile(fd_dst, error)) { + if (!error.Fail()) + error.SetErrorString("unable to close destination file"); } - if (GetSupportsSSH()) - { - stream.PutCString("ssh"); - if (GetSSHOpts() && *GetSSHOpts()) - stream.Printf(", options: '%s' ",GetSSHOpts()); + return error; + } + return Platform::GetFile(source, destination); +} + +std::string PlatformPOSIX::GetPlatformSpecificConnectionInformation() { + StreamString stream; + if (GetSupportsRSync()) { + stream.PutCString("rsync"); + if ((GetRSyncOpts() && *GetRSyncOpts()) || + (GetRSyncPrefix() && *GetRSyncPrefix()) || GetIgnoresRemoteHostname()) { + stream.Printf(", options: "); + if (GetRSyncOpts() && *GetRSyncOpts()) + stream.Printf("'%s' ", GetRSyncOpts()); + stream.Printf(", prefix: "); + if (GetRSyncPrefix() && *GetRSyncPrefix()) + stream.Printf("'%s' ", GetRSyncPrefix()); + if (GetIgnoresRemoteHostname()) + stream.Printf("ignore remote-hostname "); } - if (GetLocalCacheDirectory() && *GetLocalCacheDirectory()) - stream.Printf("cache dir: %s",GetLocalCacheDirectory()); - if (stream.GetSize()) - return stream.GetData(); - else - return ""; + } + if (GetSupportsSSH()) { + stream.PutCString("ssh"); + if (GetSSHOpts() && *GetSSHOpts()) + stream.Printf(", options: '%s' ", GetSSHOpts()); + } + if (GetLocalCacheDirectory() && *GetLocalCacheDirectory()) + stream.Printf("cache dir: %s", GetLocalCacheDirectory()); + if (stream.GetSize()) + return stream.GetString(); + else + return ""; } -bool -PlatformPOSIX::CalculateMD5 (const FileSpec& file_spec, - uint64_t &low, - uint64_t &high) -{ - if (IsHost()) - return Platform::CalculateMD5 (file_spec, low, high); - if (m_remote_platform_sp) - return m_remote_platform_sp->CalculateMD5(file_spec, low, high); - return false; +bool PlatformPOSIX::CalculateMD5(const FileSpec &file_spec, uint64_t &low, + uint64_t &high) { + if (IsHost()) + return Platform::CalculateMD5(file_spec, low, high); + if (m_remote_platform_sp) + return m_remote_platform_sp->CalculateMD5(file_spec, low, high); + return false; } -const lldb::UnixSignalsSP & -PlatformPOSIX::GetRemoteUnixSignals() { - if (IsRemote() && m_remote_platform_sp) - return m_remote_platform_sp->GetRemoteUnixSignals(); - return Platform::GetRemoteUnixSignals(); +const lldb::UnixSignalsSP &PlatformPOSIX::GetRemoteUnixSignals() { + if (IsRemote() && m_remote_platform_sp) + return m_remote_platform_sp->GetRemoteUnixSignals(); + return Platform::GetRemoteUnixSignals(); } - -FileSpec -PlatformPOSIX::GetRemoteWorkingDirectory() -{ - if (IsRemote() && m_remote_platform_sp) - return m_remote_platform_sp->GetRemoteWorkingDirectory(); - else - return Platform::GetRemoteWorkingDirectory(); +FileSpec PlatformPOSIX::GetRemoteWorkingDirectory() { + if (IsRemote() && m_remote_platform_sp) + return m_remote_platform_sp->GetRemoteWorkingDirectory(); + else + return Platform::GetRemoteWorkingDirectory(); } -bool -PlatformPOSIX::SetRemoteWorkingDirectory(const FileSpec &working_dir) -{ - if (IsRemote() && m_remote_platform_sp) - return m_remote_platform_sp->SetRemoteWorkingDirectory(working_dir); - else - return Platform::SetRemoteWorkingDirectory(working_dir); +bool PlatformPOSIX::SetRemoteWorkingDirectory(const FileSpec &working_dir) { + if (IsRemote() && m_remote_platform_sp) + return m_remote_platform_sp->SetRemoteWorkingDirectory(working_dir); + else + return Platform::SetRemoteWorkingDirectory(working_dir); } -bool -PlatformPOSIX::GetRemoteOSVersion () -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->GetOSVersion (m_major_os_version, - m_minor_os_version, - m_update_os_version); - return false; +bool PlatformPOSIX::GetRemoteOSVersion() { + if (m_remote_platform_sp) + return m_remote_platform_sp->GetOSVersion( + m_major_os_version, m_minor_os_version, m_update_os_version); + return false; } -bool -PlatformPOSIX::GetRemoteOSBuildString (std::string &s) -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->GetRemoteOSBuildString (s); - s.clear(); - return false; +bool PlatformPOSIX::GetRemoteOSBuildString(std::string &s) { + if (m_remote_platform_sp) + return m_remote_platform_sp->GetRemoteOSBuildString(s); + s.clear(); + return false; } -size_t -PlatformPOSIX::GetEnvironment (StringList &env) -{ - if (IsRemote()) - { - if (m_remote_platform_sp) - return m_remote_platform_sp->GetEnvironment(env); - return 0; - } - return Host::GetEnvironment(env); +size_t PlatformPOSIX::GetEnvironment(StringList &env) { + if (IsRemote()) { + if (m_remote_platform_sp) + return m_remote_platform_sp->GetEnvironment(env); + return 0; + } + return Host::GetEnvironment(env); } -bool -PlatformPOSIX::GetRemoteOSKernelDescription (std::string &s) -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->GetRemoteOSKernelDescription (s); - s.clear(); - return false; +bool PlatformPOSIX::GetRemoteOSKernelDescription(std::string &s) { + if (m_remote_platform_sp) + return m_remote_platform_sp->GetRemoteOSKernelDescription(s); + s.clear(); + return false; } // Remote Platform subclasses need to override this function -ArchSpec -PlatformPOSIX::GetRemoteSystemArchitecture () -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->GetRemoteSystemArchitecture (); - return ArchSpec(); +ArchSpec PlatformPOSIX::GetRemoteSystemArchitecture() { + if (m_remote_platform_sp) + return m_remote_platform_sp->GetRemoteSystemArchitecture(); + return ArchSpec(); } -const char * -PlatformPOSIX::GetHostname () -{ - if (IsHost()) - return Platform::GetHostname(); +const char *PlatformPOSIX::GetHostname() { + if (IsHost()) + return Platform::GetHostname(); - if (m_remote_platform_sp) - return m_remote_platform_sp->GetHostname (); - return NULL; + if (m_remote_platform_sp) + return m_remote_platform_sp->GetHostname(); + return NULL; } -const char * -PlatformPOSIX::GetUserName (uint32_t uid) -{ - // Check the cache in Platform in case we have already looked this uid up - const char *user_name = Platform::GetUserName(uid); - if (user_name) - return user_name; - - if (IsRemote() && m_remote_platform_sp) - return m_remote_platform_sp->GetUserName(uid); - return NULL; +const char *PlatformPOSIX::GetUserName(uint32_t uid) { + // Check the cache in Platform in case we have already looked this uid up + const char *user_name = Platform::GetUserName(uid); + if (user_name) + return user_name; + + if (IsRemote() && m_remote_platform_sp) + return m_remote_platform_sp->GetUserName(uid); + return NULL; } -const char * -PlatformPOSIX::GetGroupName (uint32_t gid) -{ - const char *group_name = Platform::GetGroupName(gid); - if (group_name) - return group_name; +const char *PlatformPOSIX::GetGroupName(uint32_t gid) { + const char *group_name = Platform::GetGroupName(gid); + if (group_name) + return group_name; - if (IsRemote() && m_remote_platform_sp) - return m_remote_platform_sp->GetGroupName(gid); - return NULL; + if (IsRemote() && m_remote_platform_sp) + return m_remote_platform_sp->GetGroupName(gid); + return NULL; } -Error -PlatformPOSIX::ConnectRemote (Args& args) -{ - Error error; - if (IsHost()) - { - error.SetErrorStringWithFormat ("can't connect to the host platform '%s', always connected", GetPluginName().GetCString()); - } - else - { - if (!m_remote_platform_sp) - m_remote_platform_sp = Platform::Create (ConstString("remote-gdb-server"), error); - - if (m_remote_platform_sp && error.Success()) - error = m_remote_platform_sp->ConnectRemote (args); - else - error.SetErrorString ("failed to create a 'remote-gdb-server' platform"); +Error PlatformPOSIX::ConnectRemote(Args &args) { + Error error; + if (IsHost()) { + error.SetErrorStringWithFormat( + "can't connect to the host platform '%s', always connected", + GetPluginName().GetCString()); + } else { + if (!m_remote_platform_sp) + m_remote_platform_sp = + Platform::Create(ConstString("remote-gdb-server"), error); - if (error.Fail()) - m_remote_platform_sp.reset(); - } + if (m_remote_platform_sp && error.Success()) + error = m_remote_platform_sp->ConnectRemote(args); + else + error.SetErrorString("failed to create a 'remote-gdb-server' platform"); - if (error.Success() && m_remote_platform_sp) - { - if (m_option_group_platform_rsync.get() && m_option_group_platform_ssh.get() && m_option_group_platform_caching.get()) - { - if (m_option_group_platform_rsync->m_rsync) - { - SetSupportsRSync(true); - SetRSyncOpts(m_option_group_platform_rsync->m_rsync_opts.c_str()); - SetRSyncPrefix(m_option_group_platform_rsync->m_rsync_prefix.c_str()); - SetIgnoresRemoteHostname(m_option_group_platform_rsync->m_ignores_remote_hostname); - } - if (m_option_group_platform_ssh->m_ssh) - { - SetSupportsSSH(true); - SetSSHOpts(m_option_group_platform_ssh->m_ssh_opts.c_str()); - } - SetLocalCacheDirectory(m_option_group_platform_caching->m_cache_dir.c_str()); - } + if (error.Fail()) + m_remote_platform_sp.reset(); + } + + if (error.Success() && m_remote_platform_sp) { + if (m_option_group_platform_rsync.get() && + m_option_group_platform_ssh.get() && + m_option_group_platform_caching.get()) { + if (m_option_group_platform_rsync->m_rsync) { + SetSupportsRSync(true); + SetRSyncOpts(m_option_group_platform_rsync->m_rsync_opts.c_str()); + SetRSyncPrefix(m_option_group_platform_rsync->m_rsync_prefix.c_str()); + SetIgnoresRemoteHostname( + m_option_group_platform_rsync->m_ignores_remote_hostname); + } + if (m_option_group_platform_ssh->m_ssh) { + SetSupportsSSH(true); + SetSSHOpts(m_option_group_platform_ssh->m_ssh_opts.c_str()); + } + SetLocalCacheDirectory( + m_option_group_platform_caching->m_cache_dir.c_str()); } + } - return error; + return error; } -Error -PlatformPOSIX::DisconnectRemote () -{ - Error error; +Error PlatformPOSIX::DisconnectRemote() { + Error error; - if (IsHost()) - { - error.SetErrorStringWithFormat ("can't disconnect from the host platform '%s', always connected", GetPluginName().GetCString()); - } + if (IsHost()) { + error.SetErrorStringWithFormat( + "can't disconnect from the host platform '%s', always connected", + GetPluginName().GetCString()); + } else { + if (m_remote_platform_sp) + error = m_remote_platform_sp->DisconnectRemote(); else - { - if (m_remote_platform_sp) - error = m_remote_platform_sp->DisconnectRemote (); - else - error.SetErrorString ("the platform is not currently connected"); - } - return error; + error.SetErrorString("the platform is not currently connected"); + } + return error; } -Error -PlatformPOSIX::LaunchProcess (ProcessLaunchInfo &launch_info) -{ - Error error; +Error PlatformPOSIX::LaunchProcess(ProcessLaunchInfo &launch_info) { + Error error; - if (IsHost()) - { - error = Platform::LaunchProcess (launch_info); - } + if (IsHost()) { + error = Platform::LaunchProcess(launch_info); + } else { + if (m_remote_platform_sp) + error = m_remote_platform_sp->LaunchProcess(launch_info); else - { - if (m_remote_platform_sp) - error = m_remote_platform_sp->LaunchProcess (launch_info); - else - error.SetErrorString ("the platform is not currently connected"); - } - return error; + error.SetErrorString("the platform is not currently connected"); + } + return error; } -lldb_private::Error -PlatformPOSIX::KillProcess (const lldb::pid_t pid) -{ - if (IsHost()) - return Platform::KillProcess (pid); +lldb_private::Error PlatformPOSIX::KillProcess(const lldb::pid_t pid) { + if (IsHost()) + return Platform::KillProcess(pid); - if (m_remote_platform_sp) - return m_remote_platform_sp->KillProcess (pid); + if (m_remote_platform_sp) + return m_remote_platform_sp->KillProcess(pid); - return Error ("the platform is not currently connected"); + return Error("the platform is not currently connected"); } -lldb::ProcessSP -PlatformPOSIX::Attach (ProcessAttachInfo &attach_info, - Debugger &debugger, - Target *target, - Error &error) -{ - lldb::ProcessSP process_sp; - Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); - - if (IsHost()) - { - if (target == NULL) - { - TargetSP new_target_sp; - - error = debugger.GetTargetList().CreateTarget (debugger, - NULL, - NULL, - false, - NULL, - new_target_sp); - target = new_target_sp.get(); - if (log) - log->Printf ("PlatformPOSIX::%s created new target", __FUNCTION__); - } - else - { - error.Clear(); - if (log) - log->Printf ("PlatformPOSIX::%s target already existed, setting target", __FUNCTION__); - } +lldb::ProcessSP PlatformPOSIX::Attach(ProcessAttachInfo &attach_info, + Debugger &debugger, Target *target, + Error &error) { + lldb::ProcessSP process_sp; + Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); + + if (IsHost()) { + if (target == NULL) { + TargetSP new_target_sp; - if (target && error.Success()) - { - debugger.GetTargetList().SetSelectedTarget(target); - if (log) - { - ModuleSP exe_module_sp = target->GetExecutableModule (); - log->Printf("PlatformPOSIX::%s set selected target to %p %s", __FUNCTION__, (void *)target, - exe_module_sp ? exe_module_sp->GetFileSpec().GetPath().c_str() : "<null>"); - } - - - process_sp = target->CreateProcess (attach_info.GetListenerForProcess(debugger), attach_info.GetProcessPluginName(), NULL); - - if (process_sp) - { - ListenerSP listener_sp = attach_info.GetHijackListener(); - if (listener_sp == nullptr) - { - listener_sp = Listener::MakeListener("lldb.PlatformPOSIX.attach.hijack"); - attach_info.SetHijackListener(listener_sp); - } - process_sp->HijackProcessEvents(listener_sp); - error = process_sp->Attach (attach_info); - } + error = debugger.GetTargetList().CreateTarget(debugger, "", "", false, + NULL, new_target_sp); + target = new_target_sp.get(); + if (log) + log->Printf("PlatformPOSIX::%s created new target", __FUNCTION__); + } else { + error.Clear(); + if (log) + log->Printf("PlatformPOSIX::%s target already existed, setting target", + __FUNCTION__); + } + + if (target && error.Success()) { + debugger.GetTargetList().SetSelectedTarget(target); + if (log) { + ModuleSP exe_module_sp = target->GetExecutableModule(); + log->Printf("PlatformPOSIX::%s set selected target to %p %s", + __FUNCTION__, (void *)target, + exe_module_sp + ? exe_module_sp->GetFileSpec().GetPath().c_str() + : "<null>"); + } + + process_sp = + target->CreateProcess(attach_info.GetListenerForProcess(debugger), + attach_info.GetProcessPluginName(), NULL); + + if (process_sp) { + ListenerSP listener_sp = attach_info.GetHijackListener(); + if (listener_sp == nullptr) { + listener_sp = + Listener::MakeListener("lldb.PlatformPOSIX.attach.hijack"); + attach_info.SetHijackListener(listener_sp); } + process_sp->HijackProcessEvents(listener_sp); + error = process_sp->Attach(attach_info); + } } + } else { + if (m_remote_platform_sp) + process_sp = + m_remote_platform_sp->Attach(attach_info, debugger, target, error); else - { - if (m_remote_platform_sp) - process_sp = m_remote_platform_sp->Attach (attach_info, debugger, target, error); - else - error.SetErrorString ("the platform is not currently connected"); - } - return process_sp; + error.SetErrorString("the platform is not currently connected"); + } + return process_sp; } lldb::ProcessSP -PlatformPOSIX::DebugProcess (ProcessLaunchInfo &launch_info, - Debugger &debugger, - Target *target, // Can be NULL, if NULL create a new target, else use existing one - Error &error) -{ - ProcessSP process_sp; - - if (IsHost()) - { - // We are going to hand this process off to debugserver which will be in charge of setting the exit status. - // We still need to reap it from lldb but if we let the monitor thread also set the exit status, we set up a - // race between debugserver & us for who will find out about the debugged process's death. - launch_info.GetFlags().Set(eLaunchFlagDontSetExitStatus); - process_sp = Platform::DebugProcess (launch_info, debugger, target, error); - } +PlatformPOSIX::DebugProcess(ProcessLaunchInfo &launch_info, Debugger &debugger, + Target *target, // Can be NULL, if NULL create a new + // target, else use existing one + Error &error) { + ProcessSP process_sp; + + if (IsHost()) { + // We are going to hand this process off to debugserver which will be in + // charge of setting the exit status. + // We still need to reap it from lldb but if we let the monitor thread also + // set the exit status, we set up a + // race between debugserver & us for who will find out about the debugged + // process's death. + launch_info.GetFlags().Set(eLaunchFlagDontSetExitStatus); + process_sp = Platform::DebugProcess(launch_info, debugger, target, error); + } else { + if (m_remote_platform_sp) + process_sp = m_remote_platform_sp->DebugProcess(launch_info, debugger, + target, error); else - { - if (m_remote_platform_sp) - process_sp = m_remote_platform_sp->DebugProcess (launch_info, debugger, target, error); - else - error.SetErrorString ("the platform is not currently connected"); - } - return process_sp; - + error.SetErrorString("the platform is not currently connected"); + } + return process_sp; } -void -PlatformPOSIX::CalculateTrapHandlerSymbolNames () -{ - m_trap_handlers.push_back (ConstString ("_sigtramp")); -} - -Error -PlatformPOSIX::EvaluateLibdlExpression(lldb_private::Process* process, - const char* expr_cstr, - const char* expr_prefix, - lldb::ValueObjectSP& result_valobj_sp) -{ - DynamicLoader *loader = process->GetDynamicLoader(); - if (loader) - { - Error error = loader->CanLoadImage(); - if (error.Fail()) - return error; - } - - ThreadSP thread_sp(process->GetThreadList().GetExpressionExecutionThread()); - if (!thread_sp) - return Error("Selected thread isn't valid"); - - StackFrameSP frame_sp(thread_sp->GetStackFrameAtIndex(0)); - if (!frame_sp) - return Error("Frame 0 isn't valid"); - - ExecutionContext exe_ctx; - frame_sp->CalculateExecutionContext(exe_ctx); - EvaluateExpressionOptions expr_options; - expr_options.SetUnwindOnError(true); - expr_options.SetIgnoreBreakpoints(true); - expr_options.SetExecutionPolicy(eExecutionPolicyAlways); - expr_options.SetLanguage(eLanguageTypeC_plus_plus); - expr_options.SetTimeoutUsec(2000000); // 2 seconds - - Error expr_error; - UserExpression::Evaluate(exe_ctx, - expr_options, - expr_cstr, - expr_prefix, - result_valobj_sp, - expr_error); - if (result_valobj_sp->GetError().Fail()) - return result_valobj_sp->GetError(); - return Error(); +void PlatformPOSIX::CalculateTrapHandlerSymbolNames() { + m_trap_handlers.push_back(ConstString("_sigtramp")); } -uint32_t -PlatformPOSIX::DoLoadImage(lldb_private::Process* process, - const lldb_private::FileSpec& remote_file, - lldb_private::Error& error) -{ - char path[PATH_MAX]; - remote_file.GetPath(path, sizeof(path)); - - StreamString expr; - expr.Printf(R"( +Error PlatformPOSIX::EvaluateLibdlExpression( + lldb_private::Process *process, const char *expr_cstr, + const char *expr_prefix, lldb::ValueObjectSP &result_valobj_sp) { + DynamicLoader *loader = process->GetDynamicLoader(); + if (loader) { + Error error = loader->CanLoadImage(); + if (error.Fail()) + return error; + } + + ThreadSP thread_sp(process->GetThreadList().GetExpressionExecutionThread()); + if (!thread_sp) + return Error("Selected thread isn't valid"); + + StackFrameSP frame_sp(thread_sp->GetStackFrameAtIndex(0)); + if (!frame_sp) + return Error("Frame 0 isn't valid"); + + ExecutionContext exe_ctx; + frame_sp->CalculateExecutionContext(exe_ctx); + EvaluateExpressionOptions expr_options; + expr_options.SetUnwindOnError(true); + expr_options.SetIgnoreBreakpoints(true); + expr_options.SetExecutionPolicy(eExecutionPolicyAlways); + expr_options.SetLanguage(eLanguageTypeC_plus_plus); + expr_options.SetTrapExceptions(false); // dlopen can't throw exceptions, so + // don't do the work to trap them. + expr_options.SetTimeout(std::chrono::seconds(2)); + + Error expr_error; + ExpressionResults result = + UserExpression::Evaluate(exe_ctx, expr_options, expr_cstr, expr_prefix, + result_valobj_sp, expr_error); + if (result != eExpressionCompleted) + return expr_error; + + if (result_valobj_sp->GetError().Fail()) + return result_valobj_sp->GetError(); + return Error(); +} + +uint32_t PlatformPOSIX::DoLoadImage(lldb_private::Process *process, + const lldb_private::FileSpec &remote_file, + lldb_private::Error &error) { + char path[PATH_MAX]; + remote_file.GetPath(path, sizeof(path)); + + StreamString expr; + expr.Printf(R"( struct __lldb_dlopen_result { void *image_ptr; const char *error_str; } the_result; the_result.image_ptr = dlopen ("%s", 2); if (the_result.image_ptr == (void *) 0x0) @@ -918,96 +768,89 @@ PlatformPOSIX::DoLoadImage(lldb_private::Process* process, } the_result; )", - path); - const char *prefix = GetLibdlFunctionDeclarations(); - lldb::ValueObjectSP result_valobj_sp; - error = EvaluateLibdlExpression(process, expr.GetData(), prefix, result_valobj_sp); - if (error.Fail()) - return LLDB_INVALID_IMAGE_TOKEN; + path); + const char *prefix = GetLibdlFunctionDeclarations(); + lldb::ValueObjectSP result_valobj_sp; + error = EvaluateLibdlExpression(process, expr.GetData(), prefix, + result_valobj_sp); + if (error.Fail()) + return LLDB_INVALID_IMAGE_TOKEN; - error = result_valobj_sp->GetError(); - if (error.Fail()) - return LLDB_INVALID_IMAGE_TOKEN; - - Scalar scalar; - ValueObjectSP image_ptr_sp = result_valobj_sp->GetChildAtIndex(0, true); - if (!image_ptr_sp || !image_ptr_sp->ResolveValue(scalar)) - { - error.SetErrorStringWithFormat("unable to load '%s'", path); - return LLDB_INVALID_IMAGE_TOKEN; - } + error = result_valobj_sp->GetError(); + if (error.Fail()) + return LLDB_INVALID_IMAGE_TOKEN; - addr_t image_ptr = scalar.ULongLong(LLDB_INVALID_ADDRESS); - if (image_ptr != 0 && image_ptr != LLDB_INVALID_ADDRESS) - return process->AddImageToken(image_ptr); - - if (image_ptr == 0) - { - ValueObjectSP error_str_sp = result_valobj_sp->GetChildAtIndex(1, true); - if (error_str_sp) - { - DataBufferSP buffer_sp(new DataBufferHeap(10240,0)); - size_t num_chars = error_str_sp->ReadPointedString (buffer_sp, error, 10240).first; - if (error.Success() && num_chars > 0) - error.SetErrorStringWithFormat("dlopen error: %s", buffer_sp->GetBytes()); - else - error.SetErrorStringWithFormat("dlopen failed for unknown reasons."); - return LLDB_INVALID_IMAGE_TOKEN; - } - } + Scalar scalar; + ValueObjectSP image_ptr_sp = result_valobj_sp->GetChildAtIndex(0, true); + if (!image_ptr_sp || !image_ptr_sp->ResolveValue(scalar)) { error.SetErrorStringWithFormat("unable to load '%s'", path); return LLDB_INVALID_IMAGE_TOKEN; -} - -Error -PlatformPOSIX::UnloadImage (lldb_private::Process* process, uint32_t image_token) -{ - const addr_t image_addr = process->GetImagePtrFromToken(image_token); - if (image_addr == LLDB_INVALID_ADDRESS) - return Error("Invalid image token"); - - StreamString expr; - expr.Printf("dlclose((void *)0x%" PRIx64 ")", image_addr); - const char *prefix = GetLibdlFunctionDeclarations(); - lldb::ValueObjectSP result_valobj_sp; - Error error = EvaluateLibdlExpression(process, expr.GetData(), prefix, result_valobj_sp); - if (error.Fail()) - return error; + } + + addr_t image_ptr = scalar.ULongLong(LLDB_INVALID_ADDRESS); + if (image_ptr != 0 && image_ptr != LLDB_INVALID_ADDRESS) + return process->AddImageToken(image_ptr); + + if (image_ptr == 0) { + ValueObjectSP error_str_sp = result_valobj_sp->GetChildAtIndex(1, true); + if (error_str_sp) { + DataBufferSP buffer_sp(new DataBufferHeap(10240, 0)); + size_t num_chars = + error_str_sp->ReadPointedString(buffer_sp, error, 10240).first; + if (error.Success() && num_chars > 0) + error.SetErrorStringWithFormat("dlopen error: %s", + buffer_sp->GetBytes()); + else + error.SetErrorStringWithFormat("dlopen failed for unknown reasons."); + return LLDB_INVALID_IMAGE_TOKEN; + } + } + error.SetErrorStringWithFormat("unable to load '%s'", path); + return LLDB_INVALID_IMAGE_TOKEN; +} + +Error PlatformPOSIX::UnloadImage(lldb_private::Process *process, + uint32_t image_token) { + const addr_t image_addr = process->GetImagePtrFromToken(image_token); + if (image_addr == LLDB_INVALID_ADDRESS) + return Error("Invalid image token"); + + StreamString expr; + expr.Printf("dlclose((void *)0x%" PRIx64 ")", image_addr); + const char *prefix = GetLibdlFunctionDeclarations(); + lldb::ValueObjectSP result_valobj_sp; + Error error = EvaluateLibdlExpression(process, expr.GetData(), prefix, + result_valobj_sp); + if (error.Fail()) + return error; - if (result_valobj_sp->GetError().Fail()) - return result_valobj_sp->GetError(); + if (result_valobj_sp->GetError().Fail()) + return result_valobj_sp->GetError(); - Scalar scalar; - if (result_valobj_sp->ResolveValue(scalar)) - { - if (scalar.UInt(1)) - return Error("expression failed: \"%s\"", expr.GetData()); - process->ResetImageToken(image_token); - } - return Error(); -} + Scalar scalar; + if (result_valobj_sp->ResolveValue(scalar)) { + if (scalar.UInt(1)) + return Error("expression failed: \"%s\"", expr.GetData()); + process->ResetImageToken(image_token); + } + return Error(); +} -lldb::ProcessSP -PlatformPOSIX::ConnectProcess (const char* connect_url, - const char* plugin_name, - lldb_private::Debugger &debugger, - lldb_private::Target *target, - lldb_private::Error &error) -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->ConnectProcess(connect_url, - plugin_name, - debugger, - target, - error); +lldb::ProcessSP PlatformPOSIX::ConnectProcess(llvm::StringRef connect_url, + llvm::StringRef plugin_name, + lldb_private::Debugger &debugger, + lldb_private::Target *target, + lldb_private::Error &error) { + if (m_remote_platform_sp) + return m_remote_platform_sp->ConnectProcess(connect_url, plugin_name, + debugger, target, error); - return Platform::ConnectProcess(connect_url, plugin_name, debugger, target, error); + return Platform::ConnectProcess(connect_url, plugin_name, debugger, target, + error); } -const char* -PlatformPOSIX::GetLibdlFunctionDeclarations() const -{ - return R"( +const char *PlatformPOSIX::GetLibdlFunctionDeclarations() const { + return R"( extern "C" void* dlopen(const char*, int); extern "C" void* dlsym(void*, const char*); extern "C" int dlclose(void*); @@ -1015,10 +858,9 @@ PlatformPOSIX::GetLibdlFunctionDeclarations() const )"; } -size_t -PlatformPOSIX::ConnectToWaitingProcesses(Debugger& debugger, Error& error) -{ - if (m_remote_platform_sp) - return m_remote_platform_sp->ConnectToWaitingProcesses(debugger, error); - return Platform::ConnectToWaitingProcesses(debugger, error); +size_t PlatformPOSIX::ConnectToWaitingProcesses(Debugger &debugger, + Error &error) { + if (m_remote_platform_sp) + return m_remote_platform_sp->ConnectToWaitingProcesses(debugger, error); + return Platform::ConnectToWaitingProcesses(debugger, error); } |