31 lines
1.2 KiB
Rust
31 lines
1.2 KiB
Rust
use crate::spec::{LinkerFlavor, StackProbeType, Target, TargetOptions};
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pub fn target() -> Target {
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let mut base = super::apple_base::opts("macos");
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base.cpu = "core2".to_string();
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base.max_atomic_width = Some(128); // core2 support cmpxchg16b
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base.eliminate_frame_pointer = false;
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base.pre_link_args.insert(
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LinkerFlavor::Gcc,
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vec!["-m64".to_string(), "-arch".to_string(), "x86_64".to_string()],
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);
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base.link_env_remove.extend(super::apple_base::macos_link_env_remove());
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// don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved
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base.stack_probes = StackProbeType::Call;
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// Clang automatically chooses a more specific target based on
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// MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work
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// correctly, we do too.
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let arch = "x86_64";
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let llvm_target = super::apple_base::macos_llvm_target(&arch);
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Target {
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llvm_target,
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pointer_width: 64,
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data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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.to_string(),
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arch: arch.to_string(),
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options: TargetOptions { mcount: "\u{1}mcount".to_string(), ..base },
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}
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}
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