compiler/rustc_target/src/spec/apple_sdk_base.rs

   1 use crate::{spec::cvs, spec::TargetOptions};
   2 use std::borrow::Cow;
   3
   4 use Arch::*;
   5 #[allow(non_camel_case_types)]
   6 #[derive(Copy, Clone)]
   7 pub enum Arch {
   8     Armv7,
   9     Armv7s,
  10     Arm64,
  11     I386,
  12     X86_64,
  13     X86_64_macabi,
  14     Arm64_macabi,
  15     Arm64_sim,
  16 }
  17
  18 fn target_abi(arch: Arch) -> &'static str {
  19     match arch {
  20         Armv7 | Armv7s | Arm64 | I386 | X86_64 => "",
  21         X86_64_macabi | Arm64_macabi => "macabi",
  22         Arm64_sim => "sim",
  23     }
  24 }
  25
  26 fn target_cpu(arch: Arch) -> &'static str {
  27     match arch {
  28         Armv7 => "cortex-a8", // iOS7 is supported on iPhone 4 and higher
  29         Armv7s => "cortex-a9",
  30         Arm64 => "apple-a7",
  31         I386 => "yonah",
  32         X86_64 => "core2",
  33         X86_64_macabi => "core2",
  34         Arm64_macabi => "apple-a12",
  35         Arm64_sim => "apple-a12",
  36     }
  37 }
  38
  39 fn link_env_remove(arch: Arch) -> Cow<'static, [Cow<'static, str>]> {
  40     match arch {
  41         Armv7 | Armv7s | Arm64 | I386 | X86_64 | Arm64_sim => {
  42             cvs!["MACOSX_DEPLOYMENT_TARGET"]
  43         }
  44         X86_64_macabi | Arm64_macabi => cvs!["IPHONEOS_DEPLOYMENT_TARGET"],
  45     }
  46 }
  47
  48 pub fn opts(os: &'static str, arch: Arch) -> TargetOptions {
  49     TargetOptions {
  50         abi: target_abi(arch).into(),
  51         cpu: target_cpu(arch).into(),
  52         dynamic_linking: false,
  53         executables: true,
  54         link_env_remove: link_env_remove(arch),
  55         has_thread_local: false,
  56         ..super::apple_base::opts(os)
  57     }
  58 }