compiler/rustc_target/src/spec/apple_sdk_base.rs

   1 use crate::spec::{cvs, 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     Armv7k,
  10     Armv7s,
  11     Arm64,
  12     Arm64_32,
  13     I386,
  14     X86_64,
  15     X86_64_macabi,
  16     Arm64_macabi,
  17     Arm64_sim,
  18 }
  19
  20 fn target_arch_name(arch: Arch) -> &'static str {
  21     match arch {
  22         Armv7 => "armv7",
  23         Armv7k => "armv7k",
  24         Armv7s => "armv7s",
  25         Arm64 | Arm64_macabi | Arm64_sim => "arm64",
  26         Arm64_32 => "arm64_32",
  27         I386 => "i386",
  28         X86_64 | X86_64_macabi => "x86_64",
  29     }
  30 }
  31
  32 fn target_abi(arch: Arch) -> &'static str {
  33     match arch {
  34         Armv7 | Armv7k | Armv7s | Arm64 | Arm64_32 | I386 | X86_64 => "",
  35         X86_64_macabi | Arm64_macabi => "macabi",
  36         Arm64_sim => "sim",
  37     }
  38 }
  39
  40 fn target_cpu(arch: Arch) -> &'static str {
  41     match arch {
  42         Armv7 => "cortex-a8", // iOS7 is supported on iPhone 4 and higher
  43         Armv7k => "cortex-a8",
  44         Armv7s => "cortex-a9",
  45         Arm64 => "apple-a7",
  46         Arm64_32 => "apple-s4",
  47         I386 => "yonah",
  48         X86_64 => "core2",
  49         X86_64_macabi => "core2",
  50         Arm64_macabi => "apple-a12",
  51         Arm64_sim => "apple-a12",
  52     }
  53 }
  54
  55 fn link_env_remove(arch: Arch) -> Cow<'static, [Cow<'static, str>]> {
  56     match arch {
  57         Armv7 | Armv7k | Armv7s | Arm64 | Arm64_32 | I386 | X86_64 | Arm64_sim => {
  58             cvs!["MACOSX_DEPLOYMENT_TARGET"]
  59         }
  60         X86_64_macabi | Arm64_macabi => cvs!["IPHONEOS_DEPLOYMENT_TARGET"],
  61     }
  62 }
  63
  64 pub fn opts(os: &'static str, arch: Arch) -> TargetOptions {
  65     TargetOptions {
  66         abi: target_abi(arch).into(),
  67         cpu: target_cpu(arch).into(),
  68         link_env_remove: link_env_remove(arch),
  69         has_thread_local: false,
  70         ..super::apple_base::opts(os, target_arch_name(arch), target_abi(arch))
  71     }
  72 }