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rustc_target: Refactor internal linker flavors slightly

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Remove one unstable user-facing linker flavor (l4-bender)
This commit is contained in:
Vadim Petrochenkov 2022-08-15 00:31:31 +03:00
parent 7dc186ff7e
commit a0e21ff105
11 changed files with 93 additions and 121 deletions
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27
compiler/rustc_codegen_ssa/src/back/link.rs
View file

@ -1173,13 +1173,6 @@ pub fn linker_and_flavor(sess: &Session) -> (PathBuf, LinkerFlavor) {
// only the linker flavor is known; use the default linker for the selected flavor
(None, Some(flavor)) => Some((
PathBuf::from(match flavor {
LinkerFlavor::Em => {
if cfg!(windows) {
"emcc.bat"
} else {
"emcc"
}
}
LinkerFlavor::Gcc => {
if cfg!(any(target_os = "solaris", target_os = "illumos")) {
// On historical Solaris systems, "cc" may have
@ -1194,11 +1187,17 @@ pub fn linker_and_flavor(sess: &Session) -> (PathBuf, LinkerFlavor) {
}
}
LinkerFlavor::Ld => "ld",
LinkerFlavor::Msvc => "link.exe",
LinkerFlavor::Lld(_) => "lld",
LinkerFlavor::PtxLinker => "rust-ptx-linker",
LinkerFlavor::BpfLinker => "bpf-linker",
LinkerFlavor::L4Bender => "l4-bender",
LinkerFlavor::Msvc => "link.exe",
LinkerFlavor::EmCc => {
if cfg!(windows) {
"emcc.bat"
} else {
"emcc"
}
}
LinkerFlavor::Bpf => "bpf-linker",
LinkerFlavor::Ptx => "rust-ptx-linker",
}),
flavor,
)),
@ -1208,7 +1207,7 @@ pub fn linker_and_flavor(sess: &Session) -> (PathBuf, LinkerFlavor) {
});
let flavor = if stem == "emcc" {
LinkerFlavor::Em
LinkerFlavor::EmCc
} else if stem == "gcc"
|| stem.ends_with("-gcc")
|| stem == "clang"
@ -2114,11 +2113,11 @@ fn add_order_independent_options(
});
}
if flavor == LinkerFlavor::PtxLinker {
if flavor == LinkerFlavor::Ptx {
// Provide the linker with fallback to internal `target-cpu`.
cmd.arg("--fallback-arch");
cmd.arg(&codegen_results.crate_info.target_cpu);
} else if flavor == LinkerFlavor::BpfLinker {
} else if flavor == LinkerFlavor::Bpf {
cmd.arg("--cpu");
cmd.arg(&codegen_results.crate_info.target_cpu);
cmd.arg("--cpu-features");

21
compiler/rustc_codegen_ssa/src/back/linker.rs
View file

@ -126,29 +126,26 @@ pub fn get_linker<'a>(
// to the linker args construction.
assert!(cmd.get_args().is_empty() || sess.target.vendor == "uwp");
match flavor {
LinkerFlavor::Lld(LldFlavor::Link) | LinkerFlavor::Msvc => {
Box::new(MsvcLinker { cmd, sess }) as Box<dyn Linker>
}
LinkerFlavor::Em => Box::new(EmLinker { cmd, sess }) as Box<dyn Linker>,
LinkerFlavor::Gcc => {
Box::new(GccLinker { cmd, sess, target_cpu, hinted_static: false, is_ld: false })
as Box<dyn Linker>
}
LinkerFlavor::Ld if sess.target.os == "l4re" => {
Box::new(L4Bender::new(cmd, sess)) as Box<dyn Linker>
}
LinkerFlavor::Lld(LldFlavor::Ld)
| LinkerFlavor::Lld(LldFlavor::Ld64)
| LinkerFlavor::Ld => {
Box::new(GccLinker { cmd, sess, target_cpu, hinted_static: false, is_ld: true })
as Box<dyn Linker>
}
LinkerFlavor::Lld(LldFlavor::Link) | LinkerFlavor::Msvc => {
Box::new(MsvcLinker { cmd, sess }) as Box<dyn Linker>
}
LinkerFlavor::Lld(LldFlavor::Wasm) => Box::new(WasmLd::new(cmd, sess)) as Box<dyn Linker>,
LinkerFlavor::PtxLinker => Box::new(PtxLinker { cmd, sess }) as Box<dyn Linker>,
LinkerFlavor::BpfLinker => Box::new(BpfLinker { cmd, sess }) as Box<dyn Linker>,
LinkerFlavor::L4Bender => Box::new(L4Bender::new(cmd, sess)) as Box<dyn Linker>,
LinkerFlavor::EmCc => Box::new(EmLinker { cmd, sess }) as Box<dyn Linker>,
LinkerFlavor::Bpf => Box::new(BpfLinker { cmd, sess }) as Box<dyn Linker>,
LinkerFlavor::Ptx => Box::new(PtxLinker { cmd, sess }) as Box<dyn Linker>,
}
}