diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/back')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/back/linker.rs | 351 |
1 files changed, 180 insertions, 171 deletions
diff --git a/compiler/rustc_codegen_ssa/src/back/linker.rs b/compiler/rustc_codegen_ssa/src/back/linker.rs index 4360c10edc3..2bddd473702 100644 --- a/compiler/rustc_codegen_ssa/src/back/linker.rs +++ b/compiler/rustc_codegen_ssa/src/back/linker.rs @@ -171,13 +171,13 @@ pub trait Linker { bug!("framework linked with unsupported linker") } fn link_staticlib_by_name(&mut self, name: &str, verbatim: bool); - fn link_staticlib_by_path(&mut self, path: &Path); fn link_whole_staticlib_by_name( &mut self, name: &str, verbatim: bool, search_paths: &[PathBuf], ); + fn link_staticlib_by_path(&mut self, path: &Path); fn link_whole_staticlib_by_path(&mut self, path: &Path); fn include_path(&mut self, path: &Path); fn framework_path(&mut self, path: &Path); @@ -469,35 +469,6 @@ impl<'a> Linker for GccLinker<'a> { } } } - fn link_staticlib_by_name(&mut self, name: &str, verbatim: bool) { - self.hint_static(); - self.cmd.arg(format!("-l{}{name}", if verbatim && self.is_gnu { ":" } else { "" },)); - } - fn link_staticlib_by_path(&mut self, path: &Path) { - self.hint_static(); - self.cmd.arg(path); - } - fn include_path(&mut self, path: &Path) { - self.cmd.arg("-L").arg(path); - } - fn framework_path(&mut self, path: &Path) { - self.cmd.arg("-F").arg(path); - } - fn output_filename(&mut self, path: &Path) { - self.cmd.arg("-o").arg(path); - } - fn add_object(&mut self, path: &Path) { - self.cmd.arg(path); - } - fn full_relro(&mut self) { - self.linker_args(&["-z", "relro", "-z", "now"]); - } - fn partial_relro(&mut self) { - self.linker_args(&["-z", "relro"]); - } - fn no_relro(&mut self) { - self.linker_args(&["-z", "norelro"]); - } fn link_framework_by_name(&mut self, name: &str, _verbatim: bool, as_needed: bool) { self.hint_dynamic(); @@ -510,6 +481,11 @@ impl<'a> Linker for GccLinker<'a> { self.cmd.arg("-framework").arg(name); } + fn link_staticlib_by_name(&mut self, name: &str, verbatim: bool) { + self.hint_static(); + self.cmd.arg(format!("-l{}{name}", if verbatim && self.is_gnu { ":" } else { "" },)); + } + // Here we explicitly ask that the entire archive is included into the // result artifact. For more details see #15460, but the gist is that // the linker will strip away any unused objects in the archive if we @@ -537,6 +513,11 @@ impl<'a> Linker for GccLinker<'a> { } } + fn link_staticlib_by_path(&mut self, path: &Path) { + self.hint_static(); + self.cmd.arg(path); + } + fn link_whole_staticlib_by_path(&mut self, path: &Path) { self.hint_static(); if self.sess.target.is_like_osx { @@ -548,6 +529,28 @@ impl<'a> Linker for GccLinker<'a> { } } + fn include_path(&mut self, path: &Path) { + self.cmd.arg("-L").arg(path); + } + fn framework_path(&mut self, path: &Path) { + self.cmd.arg("-F").arg(path); + } + fn output_filename(&mut self, path: &Path) { + self.cmd.arg("-o").arg(path); + } + fn add_object(&mut self, path: &Path) { + self.cmd.arg(path); + } + fn full_relro(&mut self) { + self.linker_args(&["-z", "relro", "-z", "now"]); + } + fn partial_relro(&mut self) { + self.linker_args(&["-z", "relro"]); + } + fn no_relro(&mut self) { + self.linker_args(&["-z", "norelro"]); + } + fn gc_sections(&mut self, keep_metadata: bool) { // The dead_strip option to the linker specifies that functions and data // unreachable by the entry point will be removed. This is quite useful @@ -827,9 +830,33 @@ impl<'a> Linker for MsvcLinker<'a> { } } + fn link_dylib_by_name(&mut self, name: &str, verbatim: bool, _as_needed: bool) { + self.cmd.arg(format!("{}{}", name, if verbatim { "" } else { ".lib" })); + } + + fn link_staticlib_by_name(&mut self, name: &str, verbatim: bool) { + self.cmd.arg(format!("{}{}", name, if verbatim { "" } else { ".lib" })); + } + + fn link_whole_staticlib_by_name( + &mut self, + name: &str, + verbatim: bool, + _search_paths: &[PathBuf], + ) { + self.cmd.arg(format!("/WHOLEARCHIVE:{}{}", name, if verbatim { "" } else { ".lib" })); + } + fn link_staticlib_by_path(&mut self, path: &Path) { self.cmd.arg(path); } + + fn link_whole_staticlib_by_path(&mut self, path: &Path) { + let mut arg = OsString::from("/WHOLEARCHIVE:"); + arg.push(path); + self.cmd.arg(arg); + } + fn add_object(&mut self, path: &Path) { self.cmd.arg(path); } @@ -851,14 +878,6 @@ impl<'a> Linker for MsvcLinker<'a> { self.cmd.arg("/OPT:NOREF,NOICF"); } - fn link_dylib_by_name(&mut self, name: &str, verbatim: bool, _as_needed: bool) { - self.cmd.arg(format!("{}{}", name, if verbatim { "" } else { ".lib" })); - } - - fn link_staticlib_by_name(&mut self, name: &str, verbatim: bool) { - self.cmd.arg(format!("{}{}", name, if verbatim { "" } else { ".lib" })); - } - fn full_relro(&mut self) { // noop } @@ -895,19 +914,6 @@ impl<'a> Linker for MsvcLinker<'a> { bug!("frameworks are not supported on windows") } - fn link_whole_staticlib_by_name( - &mut self, - name: &str, - verbatim: bool, - _search_paths: &[PathBuf], - ) { - self.cmd.arg(format!("/WHOLEARCHIVE:{}{}", name, if verbatim { "" } else { ".lib" })); - } - fn link_whole_staticlib_by_path(&mut self, path: &Path) { - let mut arg = OsString::from("/WHOLEARCHIVE:"); - arg.push(path); - self.cmd.arg(arg); - } fn optimize(&mut self) { // Needs more investigation of `/OPT` arguments } @@ -1054,27 +1060,15 @@ impl<'a> Linker for EmLinker<'a> { fn set_output_kind(&mut self, _output_kind: LinkOutputKind, _out_filename: &Path) {} - fn include_path(&mut self, path: &Path) { - self.cmd.arg("-L").arg(path); + fn link_dylib_by_name(&mut self, name: &str, verbatim: bool, _as_needed: bool) { + // Emscripten always links statically + self.link_staticlib_by_name(name, verbatim); } fn link_staticlib_by_name(&mut self, name: &str, _verbatim: bool) { self.cmd.arg("-l").arg(name); } - fn output_filename(&mut self, path: &Path) { - self.cmd.arg("-o").arg(path); - } - - fn add_object(&mut self, path: &Path) { - self.cmd.arg(path); - } - - fn link_dylib_by_name(&mut self, name: &str, verbatim: bool, _as_needed: bool) { - // Emscripten always links statically - self.link_staticlib_by_name(name, verbatim); - } - fn link_whole_staticlib_by_name( &mut self, name: &str, @@ -1085,13 +1079,25 @@ impl<'a> Linker for EmLinker<'a> { self.link_staticlib_by_name(name, verbatim); } + fn link_staticlib_by_path(&mut self, path: &Path) { + self.add_object(path); + } + fn link_whole_staticlib_by_path(&mut self, path: &Path) { // not supported? self.link_staticlib_by_path(path); } - fn link_staticlib_by_path(&mut self, path: &Path) { - self.add_object(path); + fn include_path(&mut self, path: &Path) { + self.cmd.arg("-L").arg(path); + } + + fn output_filename(&mut self, path: &Path) { + self.cmd.arg("-o").arg(path); + } + + fn add_object(&mut self, path: &Path) { + self.cmd.arg(path); } fn full_relro(&mut self) { @@ -1251,10 +1257,23 @@ impl<'a> Linker for WasmLd<'a> { self.cmd.arg("-l").arg(name); } + fn link_whole_staticlib_by_name( + &mut self, + name: &str, + _verbatim: bool, + _search_paths: &[PathBuf], + ) { + self.cmd.arg("--whole-archive").arg("-l").arg(name).arg("--no-whole-archive"); + } + fn link_staticlib_by_path(&mut self, path: &Path) { self.cmd.arg(path); } + fn link_whole_staticlib_by_path(&mut self, path: &Path) { + self.cmd.arg("--whole-archive").arg(path).arg("--no-whole-archive"); + } + fn include_path(&mut self, path: &Path) { self.cmd.arg("-L").arg(path); } @@ -1277,19 +1296,6 @@ impl<'a> Linker for WasmLd<'a> { fn no_relro(&mut self) {} - fn link_whole_staticlib_by_name( - &mut self, - name: &str, - _verbatim: bool, - _search_paths: &[PathBuf], - ) { - self.cmd.arg("--whole-archive").arg("-l").arg(name).arg("--no-whole-archive"); - } - - fn link_whole_staticlib_by_path(&mut self, path: &Path) { - self.cmd.arg("--whole-archive").arg(path).arg("--no-whole-archive"); - } - fn gc_sections(&mut self, _keep_metadata: bool) { self.cmd.arg("--gc-sections"); } @@ -1389,17 +1395,42 @@ pub struct L4Bender<'a> { } impl<'a> Linker for L4Bender<'a> { + fn cmd(&mut self) -> &mut Command { + &mut self.cmd + } + + fn set_output_kind(&mut self, _output_kind: LinkOutputKind, _out_filename: &Path) {} + fn link_dylib_by_name(&mut self, _name: &str, _verbatim: bool, _as_needed: bool) { bug!("dylibs are not supported on L4Re"); } + fn link_staticlib_by_name(&mut self, name: &str, _verbatim: bool) { self.hint_static(); self.cmd.arg(format!("-PC{name}")); } + + fn link_whole_staticlib_by_name( + &mut self, + name: &str, + _verbatim: bool, + _search_paths: &[PathBuf], + ) { + self.hint_static(); + self.cmd.arg("--whole-archive").arg(format!("-l{name}")); + self.cmd.arg("--no-whole-archive"); + } + fn link_staticlib_by_path(&mut self, path: &Path) { self.hint_static(); self.cmd.arg(path); } + + fn link_whole_staticlib_by_path(&mut self, path: &Path) { + self.hint_static(); + self.cmd.arg("--whole-archive").arg(path).arg("--no-whole-archive"); + } + fn include_path(&mut self, path: &Path) { self.cmd.arg("-L").arg(path); } @@ -1427,28 +1458,6 @@ impl<'a> Linker for L4Bender<'a> { self.cmd.arg("-z").arg("norelro"); } - fn cmd(&mut self) -> &mut Command { - &mut self.cmd - } - - fn set_output_kind(&mut self, _output_kind: LinkOutputKind, _out_filename: &Path) {} - - fn link_whole_staticlib_by_name( - &mut self, - name: &str, - _verbatim: bool, - _search_paths: &[PathBuf], - ) { - self.hint_static(); - self.cmd.arg("--whole-archive").arg(format!("-l{name}")); - self.cmd.arg("--no-whole-archive"); - } - - fn link_whole_staticlib_by_path(&mut self, path: &Path) { - self.hint_static(); - self.cmd.arg("--whole-archive").arg(path).arg("--no-whole-archive"); - } - fn gc_sections(&mut self, keep_metadata: bool) { if !keep_metadata { self.cmd.arg("--gc-sections"); @@ -1559,6 +1568,24 @@ impl<'a> AixLinker<'a> { } impl<'a> Linker for AixLinker<'a> { + fn cmd(&mut self) -> &mut Command { + &mut self.cmd + } + + fn set_output_kind(&mut self, output_kind: LinkOutputKind, out_filename: &Path) { + match output_kind { + LinkOutputKind::DynamicDylib => { + self.hint_dynamic(); + self.build_dylib(out_filename); + } + LinkOutputKind::StaticDylib => { + self.hint_static(); + self.build_dylib(out_filename); + } + _ => {} + } + } + fn link_dylib_by_name(&mut self, name: &str, _verbatim: bool, _as_needed: bool) { self.hint_dynamic(); self.cmd.arg(format!("-l{name}")); @@ -1569,11 +1596,27 @@ impl<'a> Linker for AixLinker<'a> { self.cmd.arg(format!("-l{name}")); } + fn link_whole_staticlib_by_name( + &mut self, + name: &str, + verbatim: bool, + search_paths: &[PathBuf], + ) { + self.hint_static(); + let lib = find_native_static_library(name, verbatim, search_paths, self.sess); + self.cmd.arg(format!("-bkeepfile:{}", lib.to_str().unwrap())); + } + fn link_staticlib_by_path(&mut self, path: &Path) { self.hint_static(); self.cmd.arg(path); } + fn link_whole_staticlib_by_path(&mut self, path: &Path) { + self.hint_static(); + self.cmd.arg(format!("-bkeepfile:{}", path.to_str().unwrap())); + } + fn include_path(&mut self, path: &Path) { self.cmd.arg("-L").arg(path); } @@ -1596,40 +1639,6 @@ impl<'a> Linker for AixLinker<'a> { fn no_relro(&mut self) {} - fn cmd(&mut self) -> &mut Command { - &mut self.cmd - } - - fn set_output_kind(&mut self, output_kind: LinkOutputKind, out_filename: &Path) { - match output_kind { - LinkOutputKind::DynamicDylib => { - self.hint_dynamic(); - self.build_dylib(out_filename); - } - LinkOutputKind::StaticDylib => { - self.hint_static(); - self.build_dylib(out_filename); - } - _ => {} - } - } - - fn link_whole_staticlib_by_name( - &mut self, - name: &str, - verbatim: bool, - search_paths: &[PathBuf], - ) { - self.hint_static(); - let lib = find_native_static_library(name, verbatim, search_paths, self.sess); - self.cmd.arg(format!("-bkeepfile:{}", lib.to_str().unwrap())); - } - - fn link_whole_staticlib_by_path(&mut self, path: &Path) { - self.hint_static(); - self.cmd.arg(format!("-bkeepfile:{}", path.to_str().unwrap())); - } - fn gc_sections(&mut self, _keep_metadata: bool) { self.cmd.arg("-bgc"); } @@ -1794,6 +1803,23 @@ impl<'a> Linker for PtxLinker<'a> { fn set_output_kind(&mut self, _output_kind: LinkOutputKind, _out_filename: &Path) {} + fn link_dylib_by_name(&mut self, _name: &str, _verbatim: bool, _as_needed: bool) { + panic!("external dylibs not supported") + } + + fn link_staticlib_by_name(&mut self, _name: &str, _verbatim: bool) { + panic!("staticlibs not supported") + } + + fn link_whole_staticlib_by_name( + &mut self, + _name: &str, + _verbatim: bool, + _search_paths: &[PathBuf], + ) { + panic!("staticlibs not supported") + } + fn link_staticlib_by_path(&mut self, path: &Path) { self.cmd.arg("--rlib").arg(path); } @@ -1828,23 +1854,6 @@ impl<'a> Linker for PtxLinker<'a> { self.cmd.arg("-o").arg(path); } - fn link_dylib_by_name(&mut self, _name: &str, _verbatim: bool, _as_needed: bool) { - panic!("external dylibs not supported") - } - - fn link_staticlib_by_name(&mut self, _name: &str, _verbatim: bool) { - panic!("staticlibs not supported") - } - - fn link_whole_staticlib_by_name( - &mut self, - _name: &str, - _verbatim: bool, - _search_paths: &[PathBuf], - ) { - panic!("staticlibs not supported") - } - fn framework_path(&mut self, _path: &Path) { panic!("frameworks not supported") } @@ -1888,6 +1897,23 @@ impl<'a> Linker for BpfLinker<'a> { fn set_output_kind(&mut self, _output_kind: LinkOutputKind, _out_filename: &Path) {} + fn link_dylib_by_name(&mut self, _name: &str, _verbatim: bool, _as_needed: bool) { + panic!("external dylibs not supported") + } + + fn link_staticlib_by_name(&mut self, _name: &str, _verbatim: bool) { + panic!("staticlibs not supported") + } + + fn link_whole_staticlib_by_name( + &mut self, + _name: &str, + _verbatim: bool, + _search_paths: &[PathBuf], + ) { + panic!("staticlibs not supported") + } + fn link_staticlib_by_path(&mut self, path: &Path) { self.cmd.arg(path); } @@ -1923,23 +1949,6 @@ impl<'a> Linker for BpfLinker<'a> { self.cmd.arg("-o").arg(path); } - fn link_dylib_by_name(&mut self, _name: &str, _verbatim: bool, _as_needed: bool) { - panic!("external dylibs not supported") - } - - fn link_staticlib_by_name(&mut self, _name: &str, _verbatim: bool) { - panic!("staticlibs not supported") - } - - fn link_whole_staticlib_by_name( - &mut self, - _name: &str, - _verbatim: bool, - _search_paths: &[PathBuf], - ) { - panic!("staticlibs not supported") - } - fn framework_path(&mut self, _path: &Path) { panic!("frameworks not supported") } |