compiler/rustc_target/src/spec/apple_sdk_base.rs

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