+
+/// Much simplified and explicit CLI for the NVPTX linker. The linker operates
+/// with bitcode and uses LLVM backend to generate a PTX assembly.
+pub struct PtxLinker<'a> {
+ cmd: Command,
+ sess: &'a Session,
+}
+
+impl<'a> Linker for PtxLinker<'a> {
+ fn link_rlib(&mut self, path: &Path) {
+ self.cmd.arg("--rlib").arg(path);
+ }
+
+ fn link_whole_rlib(&mut self, path: &Path) {
+ self.cmd.arg("--rlib").arg(path);
+ }
+
+ fn include_path(&mut self, path: &Path) {
+ self.cmd.arg("-L").arg(path);
+ }
+
+ fn debuginfo(&mut self) {
+ self.cmd.arg("--debug");
+ }
+
+ fn add_object(&mut self, path: &Path) {
+ self.cmd.arg("--bitcode").arg(path);
+ }
+
+ fn args(&mut self, args: &[String]) {
+ self.cmd.args(args);
+ }
+
+ fn optimize(&mut self) {
+ match self.sess.lto() {
+ Lto::Thin | Lto::Fat | Lto::ThinLocal => {
+ self.cmd.arg("-Olto");
+ },
+
+ Lto::No => { },
+ };
+ }
+
+ fn output_filename(&mut self, path: &Path) {
+ self.cmd.arg("-o").arg(path);
+ }
+
+ fn finalize(&mut self) -> Command {
+ // Provide the linker with fallback to internal `target-cpu`.
+ self.cmd.arg("--fallback-arch").arg(match self.sess.opts.cg.target_cpu {
+ Some(ref s) => s,
+ None => &self.sess.target.target.options.cpu
+ });
+
+ ::std::mem::replace(&mut self.cmd, Command::new(""))
+ }
+
+ fn link_dylib(&mut self, _lib: &str) {
+ panic!("external dylibs not supported")
+ }
+
+ fn link_rust_dylib(&mut self, _lib: &str, _path: &Path) {
+ panic!("external dylibs not supported")
+ }
+
+ fn link_staticlib(&mut self, _lib: &str) {
+ panic!("staticlibs not supported")
+ }
+
+ fn link_whole_staticlib(&mut self, _lib: &str, _search_path: &[PathBuf]) {
+ panic!("staticlibs not supported")
+ }
+
+ fn framework_path(&mut self, _path: &Path) {
+ panic!("frameworks not supported")
+ }
+
+ fn link_framework(&mut self, _framework: &str) {
+ panic!("frameworks not supported")
+ }
+
+ fn position_independent_executable(&mut self) {
+ }
+
+ fn full_relro(&mut self) {
+ }
+
+ fn partial_relro(&mut self) {
+ }
+
+ fn no_relro(&mut self) {
+ }
+
+ fn build_static_executable(&mut self) {
+ }
+
+ fn gc_sections(&mut self, _keep_metadata: bool) {
+ }
+
+ fn pgo_gen(&mut self) {
+ }
+
+ fn no_default_libraries(&mut self) {
+ }
+
+ fn build_dylib(&mut self, _out_filename: &Path) {
+ }
+
+ fn export_symbols(&mut self, _tmpdir: &Path, _crate_type: CrateType) {
+ }
+
+ fn subsystem(&mut self, _subsystem: &str) {
+ }
+
+ fn no_position_independent_executable(&mut self) {
+ }
+
+ fn group_start(&mut self) {
+ }
+
+ fn group_end(&mut self) {
+ }
+
+ fn linker_plugin_lto(&mut self) {
+ }
+}