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Add the aarch64-apple-darwin target

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This is a basic copy-paste-modify from the existing
x86_64-apple-darwin target.
This commit is contained in:
Jake Goulding 2020-07-11 14:50:03 -04:00
parent f9a3086363
commit 4c69d4bc05
3 changed files with 35 additions and 1 deletions
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30
src/librustc_target/spec/aarch64_apple_darwin.rs Normal file
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@ -0,0 +1,30 @@
use crate::spec::{LinkerFlavor, Target, TargetOptions, TargetResult};
pub fn target() -> TargetResult {
let mut base = super::apple_base::opts();
base.cpu = "apple-a12".to_string();
base.max_atomic_width = Some(128);
base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-arch".to_string(), "arm64".to_string()]);
base.link_env_remove.extend(super::apple_base::macos_link_env_remove());
// Clang automatically chooses a more specific target based on
// MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work
// correctly, we do too.
let arch = "aarch64";
let llvm_target = super::apple_base::macos_llvm_target(&arch);
Ok(Target {
llvm_target,
target_endian: "little".to_string(),
target_pointer_width: "64".to_string(),
target_c_int_width: "32".to_string(),
data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
arch: arch.to_string(),
target_os: "macos".to_string(),
target_env: String::new(),
target_vendor: "apple".to_string(),
linker_flavor: LinkerFlavor::Gcc,
options: TargetOptions { target_mcount: "\u{1}mcount".to_string(), ..base },
})
}

1
src/librustc_target/spec/mod.rs
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@ -574,6 +574,7 @@ supported_targets! {
("i686-unknown-haiku", i686_unknown_haiku),
("x86_64-unknown-haiku", x86_64_unknown_haiku),
("aarch64-apple-darwin", aarch64_apple_darwin),
("x86_64-apple-darwin", x86_64_apple_darwin),
("i686-apple-darwin", i686_apple_darwin),

5
src/librustc_target/spec/x86_64_apple_darwin.rs
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@ -5,7 +5,10 @@ pub fn target() -> TargetResult {
base.cpu = "core2".to_string();
base.max_atomic_width = Some(128); // core2 support cmpxchg16b
base.eliminate_frame_pointer = false;
base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-m64".to_string()]);
base.pre_link_args.insert(
LinkerFlavor::Gcc,
vec!["-m64".to_string(), "-arch".to_string(), "x86_64".to_string()],
);
base.link_env_remove.extend(super::apple_base::macos_link_env_remove());
base.stack_probes = true;