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x86_64_apple_darwin.rs
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x86_64_apple_darwin.rs
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use crate::spec::TargetOptions;
use crate::spec::{FramePointer, LinkerFlavor, SanitizerSet, StackProbeType, Target};
pub fn target() -> Target {
let mut base = super::apple_base::opts("macos");
base.cpu = "core2".to_string();
base.max_atomic_width = Some(128); // core2 support cmpxchg16b
base.frame_pointer = FramePointer::Always;
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());
// don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved
base.stack_probes = StackProbeType::Call;
base.supported_sanitizers =
SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::LEAK | SanitizerSet::THREAD;
// 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 = "x86_64";
let llvm_target = super::apple_base::macos_llvm_target(&arch);
Target {
llvm_target,
pointer_width: 64,
data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
.to_string(),
arch: arch.to_string(),
options: TargetOptions { mcount: "\u{1}mcount".to_string(), ..base },
}
}