diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Target/Platform.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Target/Platform.cpp | 368 |
1 files changed, 356 insertions, 12 deletions
diff --git a/contrib/llvm/tools/lldb/source/Target/Platform.cpp b/contrib/llvm/tools/lldb/source/Target/Platform.cpp index 75d94bd..66f9c0e 100644 --- a/contrib/llvm/tools/lldb/source/Target/Platform.cpp +++ b/contrib/llvm/tools/lldb/source/Target/Platform.cpp @@ -237,6 +237,7 @@ Platform::Platform (bool is_host) : m_system_arch_set_while_connected (false), m_sdk_sysroot (), m_sdk_build (), + m_working_dir (), m_remote_url (), m_name (), m_major_os_version (UINT32_MAX), @@ -319,6 +320,10 @@ Platform::GetStatus (Stream &strm) strm.Printf(" Connected: %s\n", is_connected ? "yes" : "no"); } + if (GetWorkingDirectory()) + { + strm.Printf("WorkingDir: %s\n", GetWorkingDirectory().GetCString()); + } if (!IsConnected()) return; @@ -405,12 +410,332 @@ Platform::GetOSKernelDescription (std::string &s) } ConstString +Platform::GetWorkingDirectory () +{ + if (IsHost()) + { + char cwd[PATH_MAX]; + if (getcwd(cwd, sizeof(cwd))) + return ConstString(cwd); + else + return ConstString(); + } + else + { + if (!m_working_dir) + m_working_dir = GetRemoteWorkingDirectory(); + return m_working_dir; + } +} + + +struct RecurseCopyBaton +{ + const FileSpec& dst; + Platform *platform_ptr; + Error error; +}; + + +static FileSpec::EnumerateDirectoryResult +RecurseCopy_Callback (void *baton, + FileSpec::FileType file_type, + const FileSpec &src) +{ + RecurseCopyBaton* rc_baton = (RecurseCopyBaton*)baton; + switch (file_type) + { + case FileSpec::eFileTypePipe: + case FileSpec::eFileTypeSocket: + // we have no way to copy pipes and sockets - ignore them and continue + return FileSpec::eEnumerateDirectoryResultNext; + break; + + case FileSpec::eFileTypeDirectory: + { + // make the new directory and get in there + FileSpec dst_dir = rc_baton->dst; + if (!dst_dir.GetFilename()) + dst_dir.GetFilename() = src.GetLastPathComponent(); + std::string dst_dir_path (dst_dir.GetPath()); + Error error = rc_baton->platform_ptr->MakeDirectory(dst_dir_path.c_str(), lldb::eFilePermissionsDirectoryDefault); + if (error.Fail()) + { + rc_baton->error.SetErrorStringWithFormat("unable to setup directory %s on remote end", dst_dir_path.c_str()); + return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out + } + + // now recurse + std::string src_dir_path (src.GetPath()); + + // Make a filespec that only fills in the directory of a FileSpec so + // when we enumerate we can quickly fill in the filename for dst copies + FileSpec recurse_dst; + recurse_dst.GetDirectory().SetCString(dst_dir.GetPath().c_str()); + RecurseCopyBaton rc_baton2 = { recurse_dst, rc_baton->platform_ptr, Error() }; + FileSpec::EnumerateDirectory(src_dir_path.c_str(), true, true, true, RecurseCopy_Callback, &rc_baton2); + if (rc_baton2.error.Fail()) + { + rc_baton->error.SetErrorString(rc_baton2.error.AsCString()); + return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out + } + return FileSpec::eEnumerateDirectoryResultNext; + } + break; + + case FileSpec::eFileTypeSymbolicLink: + { + // copy the file and keep going + FileSpec dst_file = rc_baton->dst; + if (!dst_file.GetFilename()) + dst_file.GetFilename() = src.GetFilename(); + + char buf[PATH_MAX]; + + rc_baton->error = Host::Readlink (src.GetPath().c_str(), buf, sizeof(buf)); + + if (rc_baton->error.Fail()) + return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out + + rc_baton->error = rc_baton->platform_ptr->CreateSymlink(dst_file.GetPath().c_str(), buf); + + if (rc_baton->error.Fail()) + return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out + + return FileSpec::eEnumerateDirectoryResultNext; + } + break; + case FileSpec::eFileTypeRegular: + { + // copy the file and keep going + FileSpec dst_file = rc_baton->dst; + if (!dst_file.GetFilename()) + dst_file.GetFilename() = src.GetFilename(); + Error err = rc_baton->platform_ptr->PutFile(src, dst_file); + if (err.Fail()) + { + rc_baton->error.SetErrorString(err.AsCString()); + return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out + } + return FileSpec::eEnumerateDirectoryResultNext; + } + break; + + case FileSpec::eFileTypeInvalid: + case FileSpec::eFileTypeOther: + case FileSpec::eFileTypeUnknown: + rc_baton->error.SetErrorStringWithFormat("invalid file detected during copy: %s", src.GetPath().c_str()); + return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out + break; + } +} + +Error +Platform::Install (const FileSpec& src, const FileSpec& dst) +{ + Error error; + + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf ("Platform::Install (src='%s', dst='%s')", src.GetPath().c_str(), dst.GetPath().c_str()); + FileSpec fixed_dst(dst); + + if (!fixed_dst.GetFilename()) + fixed_dst.GetFilename() = src.GetFilename(); + + ConstString working_dir = GetWorkingDirectory(); + + if (dst) + { + if (dst.GetDirectory()) + { + const char first_dst_dir_char = dst.GetDirectory().GetCString()[0]; + if (first_dst_dir_char == '/' || first_dst_dir_char == '\\') + { + fixed_dst.GetDirectory() = dst.GetDirectory(); + } + // If the fixed destination file doesn't have a directory yet, + // then we must have a relative path. We will resolve this relative + // path against the platform's working directory + if (!fixed_dst.GetDirectory()) + { + FileSpec relative_spec; + std::string path; + if (working_dir) + { + relative_spec.SetFile(working_dir.GetCString(), false); + relative_spec.AppendPathComponent(dst.GetPath().c_str()); + fixed_dst.GetDirectory() = relative_spec.GetDirectory(); + } + else + { + error.SetErrorStringWithFormat("platform working directory must be valid for relative path '%s'", dst.GetPath().c_str()); + return error; + } + } + } + else + { + if (working_dir) + { + fixed_dst.GetDirectory() = working_dir; + } + else + { + error.SetErrorStringWithFormat("platform working directory must be valid for relative path '%s'", dst.GetPath().c_str()); + return error; + } + } + } + else + { + if (working_dir) + { + fixed_dst.GetDirectory() = working_dir; + } + else + { + error.SetErrorStringWithFormat("platform working directory must be valid when destination directory is empty"); + return error; + } + } + + if (log) + log->Printf ("Platform::Install (src='%s', dst='%s') fixed_dst='%s'", src.GetPath().c_str(), dst.GetPath().c_str(), fixed_dst.GetPath().c_str()); + + if (GetSupportsRSync()) + { + error = PutFile(src, dst); + } + else + { + switch (src.GetFileType()) + { + case FileSpec::eFileTypeDirectory: + { + if (GetFileExists (fixed_dst)) + Unlink (fixed_dst.GetPath().c_str()); + uint32_t permissions = src.GetPermissions(); + if (permissions == 0) + permissions = eFilePermissionsDirectoryDefault; + std::string dst_dir_path(fixed_dst.GetPath()); + error = MakeDirectory(dst_dir_path.c_str(), permissions); + if (error.Success()) + { + // Make a filespec that only fills in the directory of a FileSpec so + // when we enumerate we can quickly fill in the filename for dst copies + FileSpec recurse_dst; + recurse_dst.GetDirectory().SetCString(dst_dir_path.c_str()); + std::string src_dir_path (src.GetPath()); + RecurseCopyBaton baton = { recurse_dst, this, Error() }; + FileSpec::EnumerateDirectory(src_dir_path.c_str(), true, true, true, RecurseCopy_Callback, &baton); + return baton.error; + } + } + break; + + case FileSpec::eFileTypeRegular: + if (GetFileExists (fixed_dst)) + Unlink (fixed_dst.GetPath().c_str()); + error = PutFile(src, fixed_dst); + break; + + case FileSpec::eFileTypeSymbolicLink: + { + if (GetFileExists (fixed_dst)) + Unlink (fixed_dst.GetPath().c_str()); + char buf[PATH_MAX]; + error = Host::Readlink(src.GetPath().c_str(), buf, sizeof(buf)); + if (error.Success()) + error = CreateSymlink(dst.GetPath().c_str(), buf); + } + break; + case FileSpec::eFileTypePipe: + error.SetErrorString("platform install doesn't handle pipes"); + break; + case FileSpec::eFileTypeSocket: + error.SetErrorString("platform install doesn't handle sockets"); + break; + case FileSpec::eFileTypeInvalid: + case FileSpec::eFileTypeUnknown: + case FileSpec::eFileTypeOther: + error.SetErrorString("platform install doesn't handle non file or directory items"); + break; + } + } + return error; +} + +bool +Platform::SetWorkingDirectory (const ConstString &path) +{ + if (IsHost()) + { + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf("Platform::SetWorkingDirectory('%s')", path.GetCString()); +#ifdef _WIN32 + // Not implemented on Windows + return false; +#else + if (path) + { + if (chdir(path.GetCString()) == 0) + return true; + } + return false; +#endif + } + else + { + m_working_dir.Clear(); + return SetRemoteWorkingDirectory(path); + } +} + +Error +Platform::MakeDirectory (const char *path, uint32_t permissions) +{ + if (IsHost()) + return Host::MakeDirectory (path, permissions); + else + { + Error error; + error.SetErrorStringWithFormat("remote platform %s doesn't support %s", GetPluginName().GetCString(), __PRETTY_FUNCTION__); + return error; + } +} + +Error +Platform::GetFilePermissions (const char *path, uint32_t &file_permissions) +{ + if (IsHost()) + return Host::GetFilePermissions(path, file_permissions); + else + { + Error error; + error.SetErrorStringWithFormat("remote platform %s doesn't support %s", GetPluginName().GetCString(), __PRETTY_FUNCTION__); + return error; + } +} + +Error +Platform::SetFilePermissions (const char *path, uint32_t file_permissions) +{ + if (IsHost()) + return Host::SetFilePermissions(path, file_permissions); + else + { + Error error; + error.SetErrorStringWithFormat("remote platform %s doesn't support %s", GetPluginName().GetCString(), __PRETTY_FUNCTION__); + return error; + } +} + +ConstString Platform::GetName () { - const char *name = GetHostname(); - if (name == NULL || name[0] == '\0') - return GetPluginName(); - return ConstString (name); + return GetPluginName(); } const char * @@ -424,6 +749,16 @@ Platform::GetHostname () return m_name.c_str(); } +bool +Platform::SetRemoteWorkingDirectory(const ConstString &path) +{ + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf("Platform::SetRemoteWorkingDirectory('%s')", path.GetCString()); + m_working_dir = path; + return true; +} + const char * Platform::GetUserName (uint32_t uid) { @@ -779,14 +1114,6 @@ Platform::IsCompatibleArchitecture (const ArchSpec &arch, bool exact_arch_match, return false; } -uint32_t -Platform::MakeDirectory (const FileSpec &spec, - mode_t mode) -{ - std::string path(spec.GetPath()); - return this->MakeDirectory(path,mode); -} - Error Platform::PutFile (const FileSpec& source, const FileSpec& destination, @@ -805,12 +1132,29 @@ Platform::GetFile (const FileSpec& source, return error; } +Error +Platform::CreateSymlink (const char *src, // The name of the link is in src + const char *dst)// The symlink points to dst +{ + Error error("unimplemented"); + return error; +} + bool Platform::GetFileExists (const lldb_private::FileSpec& file_spec) { return false; } +Error +Platform::Unlink (const char *path) +{ + Error error("unimplemented"); + return error; +} + + + lldb_private::Error Platform::RunShellCommand (const char *command, // Shouldn't be NULL const char *working_dir, // Pass NULL to use the current working directory |
