compiler/rustc_target/src/spec/x86_64_apple_darwin.rs

   1 use crate::spec::TargetOptions;
   2 use crate::spec::{FramePointer, LinkerFlavor, SanitizerSet, StackProbeType, Target};
   3
   4 pub fn target() -> Target {
   5     let mut base = super::apple_base::opts("macos");
   6     base.cpu = "core2".to_string();
   7     base.max_atomic_width = Some(128); // core2 support cmpxchg16b
   8     base.frame_pointer = FramePointer::Always;
   9     base.pre_link_args.insert(
  10         LinkerFlavor::Gcc,
  11         vec!["-m64".to_string(), "-arch".to_string(), "x86_64".to_string()],
  12     );
  13     base.link_env_remove.extend(super::apple_base::macos_link_env_remove());
  14     // don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved
  15     base.stack_probes = StackProbeType::Call;
  16     base.supported_sanitizers =
  17         SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::LEAK | SanitizerSet::THREAD;
  18
  19     // Clang automatically chooses a more specific target based on
  20     // MACOSX_DEPLOYMENT_TARGET.  To enable cross-language LTO to work
  21     // correctly, we do too.
  22     let arch = "x86_64";
  23     let llvm_target = super::apple_base::macos_llvm_target(&arch);
  24
  25     Target {
  26         llvm_target,
  27         pointer_width: 64,
  28         data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
  29             .to_string(),
  30         arch: arch.to_string(),
  31         options: TargetOptions { mcount: "\u{1}mcount".to_string(), ..base },
  32     }
  33 }