compiler/rustc_target/src/spec/aarch64_apple_watchos_sim.rs

   1 use super::apple_sdk_base::{opts, Arch};
   2 use crate::spec::{FramePointer, Target, TargetOptions};
   3
   4 pub fn target() -> Target {
   5     let base = opts("watchos", Arch::Arm64_sim);
   6
   7     // Clang automatically chooses a more specific target based on
   8     // WATCHOS_DEPLOYMENT_TARGET.
   9     // This is required for the simulator target to pick the right
  10     // MACH-O commands, so we do too.
  11     let arch = "arm64";
  12     let llvm_target = super::apple_base::watchos_sim_llvm_target(arch);
  13
  14     Target {
  15         llvm_target: llvm_target.into(),
  16         pointer_width: 64,
  17         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".into(),
  18         arch: "aarch64".into(),
  19         options: TargetOptions {
  20             features: "+neon,+fp-armv8,+apple-a7".into(),
  21             max_atomic_width: Some(128),
  22             forces_embed_bitcode: true,
  23             frame_pointer: FramePointer::NonLeaf,
  24             // Taken from a clang build on Xcode 11.4.1.
  25             // These arguments are not actually invoked - they just have
  26             // to look right to pass App Store validation.
  27             bitcode_llvm_cmdline: "-triple\0\
  28                 arm64-apple-watchos5.0-simulator\0\
  29                 -emit-obj\0\
  30                 -disable-llvm-passes\0\
  31                 -target-abi\0\
  32                 darwinpcs\0\
  33                 -Os\0"
  34                 .into(),
  35             ..base
  36         },
  37     }
  38 }